CN104614147A - Movable environment test chamber for automobile environment wind tunnel laboratory - Google Patents
Movable environment test chamber for automobile environment wind tunnel laboratory Download PDFInfo
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- CN104614147A CN104614147A CN201510046496.0A CN201510046496A CN104614147A CN 104614147 A CN104614147 A CN 104614147A CN 201510046496 A CN201510046496 A CN 201510046496A CN 104614147 A CN104614147 A CN 104614147A
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Abstract
Disclosed is a movable environment test chamber for an automobile environment wind tunnel laboratory. The movable environment test chamber for the automobile environment wind tunnel laboratory comprises an environment test cabin, a temperature and humidity control system, a fresh air system and a tail gas discharge system, wherein a chassis of the environment test cabin is settled into a pit, a floor of the environment test cabin and a floor of the wind tunnel laboratory keep at the same horizontal height, the environment test cabin is supported on two rails arranged in the pit in slide mode, a drive mechanism A is arranged on the chassis of the environment test cabin, a folding seal connection channel and a drive mechanism B are arranged on the position of an exit door of the environment test cabin, one end of the seal connection channel is connected with the periphery of the exit door of the environment test cabin, the other end of the seal connection channel is provided with a free connector which can be connected with the periphery of an entrance door and the exit door of cars of the wind tunnel laboratory, the temperature and humidity control system, the fresh air system and the tail gas discharge system are arranged on a building structure on the exterior of the environment test cabin, and connected with an air inlet, an air outlet and a tail gas discharge pipeline, which are arranged on the environment test cabin, through corresponding pipelines. According to the movable environment test chamber for the automobile environment wind tunnel laboratory, the environment test cabin is directly connected with the wind tunnel laboratory, and a drying chamber is not needed.
Description
Technical field
The present invention relates to automotive environment modelling technique field, particularly a kind of removable environmental test chamber for automotive environment wind1 tunnel laboratory.
Background technology
Automotive environment experimental cabin is environmental wind tunnel testing laboratory important component part.When carrying out low-temperature test, in order to shorten test setup time, first whole test vehicle being put into automotive environment experimental cabin and carrying out precooling, when demanded, then by vehicle by hothouse, finally move in wind tunnel test cabin, carry out wind tunnel test.
Adopt automotive environment experimental cabin can reduce the energy consumption of environmental wind tunnel testing laboratory.At present, the design of automotive environment experimental cabin can be divided into fixed and air cushion movable type structure.What present in Fig. 9 is fixed type automobile environmental test chamber.What present in Figure 10 is air-cushion moving formula automotive environment experimental cabin.For air-cushion moving formula automotive environment experimental cabin, because its underpart is with mobile air cushion, so ground is higher than outside ground in automotive environment experimental cabin, like this, instruction carriage needs by slope board turnover automotive environment experimental cabin.Because the overall space of automotive environment experimental cabin is compact, and in order to not change the temperature of ready instruction carriage, instruction carriage can not start, and therefore needs to be pushed by instruction carriage by manpower to release automotive environment experimental cabin, very inconvenient when causing instruction carriage to pass in and out automotive environment experimental cabin.In addition, owing to adopting air-cushion type move mode, the running fix low precision of automotive environment experimental cabin, adds the difficulty of docking with hothouse; The warm and humid control system of automotive environment experimental cabin, VMC (Ventilation Mechanical Control System) and tail gas discharge system are integrated in the top in automotive environment test cabin, and cause the weight of whole automotive environment experimental cabin comparatively large, it moves and also compares effort.In addition, adopt existing fixed type automobile environmental test chamber or air-cushion moving formula automotive environment experimental cabin, all hothouse is set between environmental test chamber and automobile wind tunnel test cabin, cause whole environmental wind tunnel testing laboratory to take larger construction space like this, and the operating cost of environmental wind tunnel is also higher.
Summary of the invention
The present invention provides a kind of removable environmental test chamber for automotive environment wind1 tunnel laboratory saved construction space, reduce environmental wind tunnel operating cost, be convenient to vehicles while passing for solving in known technology the technical matters that exists
The technical scheme that the present invention takes for the technical matters existed in solution known technology is:
For the removable environmental test chamber of automotive environment wind1 tunnel laboratory, comprise environmental test cabin, warm and humid control system, VMC (Ventilation Mechanical Control System) and tail gas discharge system; Environmental test cabin is arranged with wind tunnel test cabin on the mutually close sidewall of vehicles while passing door and be provided with out car door, another sidewall corresponding with setting out car door on environmental test cabin is provided with into car door, it is characterized in that: the chassis in environmental test cabin is deposited in melt pit, the ground in environmental test cabin and the ground in wind tunnel test cabin is made to keep same level height, melt pit is oblong-shaped, and melt pit is horizontal or longitudinally setting relative to wind tunnel test cabin; Two tracks are installed in melt pit, two tracks are arranged along the length direction of melt pit, environmental test cabin is supported on two tracks by the skid be arranged on its chassis, is provided with drive environment can tests the driving mechanism A of cabin along two rail movings in the position, chassis in environmental test cabin; Environmental test chamber outdoor go out the position of car door be provided with the folding passage and making of the being tightly connected passage that is tightly connected and launch and receive folded driving mechanism B, be tightly connected one end of passage is connected with the periphery that environmental test cabin goes out car door, and its other end is provided with and can forms with the periphery of wind tunnel test cabin vehicles while passing door the free interface be connected; Described warm and humid control system, VMC (Ventilation Mechanical Control System) and tail gas discharge system are placed in the building structure of environmental test cabin exterior by installing casing, the air outlet of warm and humid control system and VMC (Ventilation Mechanical Control System) is connected with the air inlet in environmental test cabin is detachable by air outlet pipeline, the return air inlet of warm and humid control system and VMC (Ventilation Mechanical Control System) is connected with the exhaust outlet in environmental test cabin is detachable by air return pipeline, and tail gas discharge system is connected with the exhaust emissions pipeline being arranged on environmental test chamber indoor is detachable by tail gas suction line.
The technical scheme that the present invention can also take is:
Also comprise the two cover plates being arranged on two ends, chassis, environmental test cabin, melt pit can be covered, two cover plates is stackable or rollable formula structure, one end of every block cover plate is fixedly connected with the corresponding end on chassis, environmental test cabin, and the other end is connected with the component being arranged on melt pit corresponding end.
Described driving mechanism A by being fixed on the tooth bar paralleled with two tracks in melt pit, the gear being arranged on the drive motor A on chassis, environmental test cabin and being arranged on drive motor A output terminal forms, wheel and rack is meshed.
Described driving mechanism A is made up of the drive motor B be fixed in melt pit, the nut structure matched with leading screw that is supported on the leading screw in melt pit and is arranged on lower end, chassis, environmental test cabin, wherein leading screw parallels with two tracks, and drive motor B drives with one end of leading screw and is connected.
Described driving mechanism B is oil cylinder or cylinder, and oil cylinder or cylinder are packed on environmental test cabin, and the cylinder bar of oil cylinder or cylinder drives with the free interface end of the passage that is tightly connected and is connected.
The ground in environmental test cabin is provided with free drum structure.
The advantage that the present invention has and good effect are:
1, the chassis in environmental test cabin falls in melt pit, makes the ground in environmental test cabin and the ground in wind tunnel test cabin keep same level height, is beneficial to test vehicle like this and debouches automotive environment experimental cabin.
2, environmental test cabin is moved along track by gear and the engaging structure of tooth bar or the fit structure of feed screw nut, can realize running fix accurately; Environmental test cabin is tested cabin by the folding passage that is tightly connected with environmental wind tunnel and is directly docked in addition, make environmental test cabin, environmental wind tunnel test cabin and external isolation, the hothouse be arranged between the two can be saved like this, thus save construction space on the one hand, also reduce the operating cost of environmental wind tunnel on the other hand.
3, the temperature and humidity control system of environmental test chamber, VMC (Ventilation Mechanical Control System) are separated with environmental test cabin with tail gas discharge system, by these Operation system setting in the surrounding buildings structure of environmental test chamber outdoor, only need be connected by pipeline with environmental test cabin when needing, this reduces the weight in environmental test cabin, be convenient to the movement in environmental test cabin.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention adopts cross track;
Fig. 2 is the vertical view that in Fig. 1, environmental test cabin and wind tunnel test cabin are in non-mated condition;
Fig. 3 is the vertical view that in Fig. 1, environmental test cabin and wind tunnel test cabin are in mated condition;
Fig. 4 is the structural representation that the present invention adopts long rails;
Fig. 5 is the vertical view that in Fig. 4, environmental test cabin and wind tunnel test cabin are in non-mated condition;
Fig. 6 is the vertical view that in Fig. 4, environmental test cabin and wind tunnel test cabin are in mated condition;
Fig. 7 is the right view that in Fig. 2 with Fig. 5, environmental test cabin is connected with three systems;
Fig. 8 is the structural representation of passage of being tightly connected in the present invention;
Fig. 9 is the using state reference diagram of fixed type automobile environmental test chamber in prior art;
Figure 10 is the using state reference diagram of air-cushion moving formula automotive environment experimental cabin in prior art.
In figure: 1, environmental test cabin; 110, car door is gone out; 120, car door is entered; 130, chassis; 2, melt pit; 3, track; 4, slide block; 5, driving mechanism A; 510, tooth bar; 520, drive motor A; 530, gear; 540, drive motor B; 550, leading screw; 560, nut structure; 6, be tightly connected passage; 7, driving mechanism B; 8, casing is installed; 9, air outlet pipeline; 10, air return pipeline; 11, tail gas suction line; 12, exhaust emissions pipeline; 13, cover plate; 14, free drum structure.1 ', wind tunnel test cabin; 101 ', vehicles while passing car door.
Embodiment
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1, a kind of removable environmental test chamber for automotive environment wind1 tunnel laboratory, is made up of following a few part:
Comprise environmental test cabin 1.Environmental test cabin is arranged with wind tunnel test cabin 1 ' on the mutually close sidewall of vehicles while passing door 101 ' and be provided with out car door 110, another sidewall corresponding with setting out car door on environmental test cabin is provided with into car door 120.The chassis 130 in environmental test cabin is deposited in melt pit 2, makes the ground in environmental test cabin and the ground in wind tunnel test cabin keep same level height.Melt pit is oblong-shaped, and melt pit is horizontal or longitudinally setting relative to wind tunnel test cabin, is provided with two tracks 3 in melt pit, two tracks are arranged along the length direction of melt pit, namely when melt pit horizontally set, and track lateral arrangement, when melt pit is longitudinally arranged, track is longitudinally arranged.Environmental test cabin is slidably supported on two tracks by the slide block 4 be arranged on its chassis, is provided with drive environment can tests the driving mechanism A5 of cabin along rail moving in the position, chassis in environmental test cabin.Concrete, above-mentioned melt pit horizontally set refer to environmental test cabin along the direction of rail moving and the direction in vehicles while passing environmental test cabin perpendicular, longitudinally arrange and refer to that environmental test cabin parallels with the direction in vehicles while passing environmental test cabin along the direction of rail moving.Melt pit adopts horizontally set or longitudinally arranges, and needs to use on-the-spot space layout to determine according to reality.The situation of melt pit horizontally set is see accompanying drawing 1-3, and situation about longitudinally arranging is see accompanying drawing 4-6.Environmental test chamber outdoor go out the position of car door be provided with the folding passage 6 and making of the being tightly connected passage that is tightly connected and launch and receive folded driving mechanism B7.Be tightly connected one end of passage is connected with the periphery that environmental test cabin goes out car door, and its other end is provided with and can forms with the periphery of wind tunnel test cabin vehicles while passing door the free interface be connected.The above-mentioned passage that is tightly connected can adopt link-type fold mechanism and be located at the canvas layer the sealed formation of link-type fold mechanism outside, link-type fold mechanism can with reference to existing structure of folding door, it is made up of the roof of two sidewalls vertically arranged and connection two side, multiple angle sheave is installed in the lower end of two side, angle sheave is embedded in the gathering sill that is located on chassis, environmental test cabin, and the space surrounded between above-mentioned two side and roof forms the passage of vehicle process.
Comprise warm and humid control system, VMC (Ventilation Mechanical Control System) and tail gas discharge system.Three systems can referring to prior art.Described warm and humid control system, VMC (Ventilation Mechanical Control System) and tail gas discharge system are placed in the building structure of environmental test cabin exterior by installing casing 8.The air outlet of warm and humid control system and VMC (Ventilation Mechanical Control System) is connected with the air inlet in environmental test cabin is detachable by air outlet pipeline 9, the return air inlet of warm and humid control system and VMC (Ventilation Mechanical Control System) is connected with the exhaust outlet in environmental test cabin is detachable by air return pipeline 10, and tail gas discharge system is connected with the exhaust emissions pipeline 12 being arranged on environmental test chamber indoor is detachable by tail gas suction line 11.The effect of exhaust emissions pipeline is: be connected with the gas outlet of instruction carriage.Warm and humid control system, VMC (Ventilation Mechanical Control System) and tail gas discharge system adopt above-mentioned set-up mode, when vehicle to be tested enter into environmental test chamber indoor carry out precooling time, make the indoor connections of three System and Surroundings experimental cabins by corresponding pipeline; When vehicle to be tested is chilled to setting humiture in advance, can fast dismantling except the connection in three System and Surroundings test cabins, and close the valve at corresponding interface position, shape body environmental test cabin being in be isolated from the outside.Like this, when environmental test cabin moves in the process of the position of docking with wind tunnel test cabin, just do not need to drive warm and humid control system, VMC (Ventilation Mechanical Control System) and tail gas discharge system, thus significantly alleviate the weight in environmental test cabin, facilitate its displacement.
In said structure, removable environmental test chamber also comprises the two cover plates 13 being arranged on two ends, chassis, environmental test cabin, can covering melt pit, two cover plates is stackable or rollable formula structure, one end of every block cover plate is fixedly connected with the corresponding end on chassis, environmental test cabin, and the other end of cover plate is connected with the component being arranged on melt pit corresponding end.Concrete, when cover plate adopts stacked structure, above-mentioned component can adopt foundation bolt structure; When cover plate adopts coiled-type structure, above-mentioned component can adopt spool structure.In addition, need each reserved certain space at the position at the close two ends of melt pit, utilize the headspace at two ends to store and receive folded partial cover plate.Adopt above-mentioned two cover plates, when environmental test cabin is moved, the cover plate of one end can be driven to launch, drive the cover plate of the other end to pack up simultaneously, this ensure that the melt pit part that two ends, environmental test cabin expose is all capped, thus prevent foreign material to fall and hinder automotive environment to test the movement in cabin, also can ensure that outward appearance is clean and tidy simultaneously, meet the requirement of use safety.
In said structure, described driving mechanism A preferably adopts rack and pinion engagement structure or screw-nut structure.Concrete, rack and pinion engagement structure by being fixed on the tooth bar 510 paralleled with two tracks in melt pit, the gear 530 being arranged on the drive motor A520 on chassis, environmental test cabin and being arranged on drive motor A output terminal forms, wheel and rack is meshed; Screw-nut structure its by the drive motor B540 be fixed in melt pit, be supported on the leading screw 550 in melt pit and be arranged on the nut structure 560 matched with leading screw lower end, chassis, environmental test cabin and form, wherein leading screw parallels with two tracks, and drive motor B drives with one end of leading screw and is connected.
In said structure, described driving mechanism B adopts oil cylinder or cylinder.Oil cylinder or cylinder are packed on environmental test cabin, and the cylinder bar of oil cylinder or cylinder drives with the free interface end of the passage that is tightly connected and is connected.Like this, by oil cylinder or cylinder positive action, can drive outside the free interface end of the passage that is tightly connected and move, the passage that makes to be tightly connected trails, thus realizes and the docking of wind tunnel test cabin inlet/outlet periphery correspondence position.Anyway, when the free interface end of the passage that is tightly connected and wind tunnel test cabin disengage, by oil cylinder or cylinder counteragent, drive the free end travelling backwards of the passage that is tightly connected, the folding recovery of the passage that realizes being tightly connected.
In said structure, the ground in environmental test cabin is provided with free drum structure 14.When environmental test cabin under the effect of driving mechanism A along rail moving time, free drum structure and environmental test cabin synchronizing moving.Above-mentioned free drum structure design reference performs GB/T13563-2007 " drum-type automotive speedometer test table ".The object of above-mentioned free drum structure is set: just at the indoor starting engine of environmental test chamber, vehicle can be carried out to the test of the operating modes such as low temperature and low humidity, so just do not need to run whole environmental wind tunnel testing laboratory, can save operating cost significantly.
Claims (6)
1., for the removable environmental test chamber of automotive environment wind1 tunnel laboratory, comprise environmental test cabin, warm and humid control system, VMC (Ventilation Mechanical Control System) and tail gas discharge system; Environmental test cabin is arranged with wind tunnel test cabin on the mutually close sidewall of vehicles while passing door and be provided with out car door, another sidewall corresponding with setting out car door on environmental test cabin is provided with into car door, it is characterized in that: the chassis in environmental test cabin is deposited in melt pit, the ground in environmental test cabin and the ground in wind tunnel test cabin is made to keep same level height, melt pit is oblong-shaped, and melt pit is horizontal or longitudinally setting relative to wind tunnel test cabin; Two tracks are installed in melt pit, two tracks are arranged along the length direction of melt pit, environmental test cabin is supported on two tracks by the skid be arranged on its chassis, is provided with drive environment can tests the driving mechanism A of cabin along two rail movings in the position, chassis in environmental test cabin; Environmental test chamber outdoor go out the position of car door be provided with the folding passage and making of the being tightly connected passage that is tightly connected and launch and receive folded driving mechanism B, be tightly connected one end of passage is connected with the periphery that environmental test cabin goes out car door, and its other end is provided with and can forms with the periphery of wind tunnel test cabin vehicles while passing door the free interface be connected; Described warm and humid control system, VMC (Ventilation Mechanical Control System) and tail gas discharge system are placed in the building structure of environmental test cabin exterior by installing casing, the air outlet of warm and humid control system and VMC (Ventilation Mechanical Control System) is connected with the air inlet in environmental test cabin is detachable by air outlet pipeline, the return air inlet of warm and humid control system and VMC (Ventilation Mechanical Control System) is connected with the exhaust outlet in environmental test cabin is detachable by air return pipeline, and tail gas discharge system is connected with the exhaust emissions pipeline being arranged on environmental test chamber indoor is detachable by tail gas suction line.
2. the removable environmental test chamber for automotive environment wind1 tunnel laboratory according to claim 1, it is characterized in that: also comprise the two cover plates being arranged on two ends, chassis, environmental test cabin, melt pit can be covered, two cover plates is stackable or rollable formula structure, one end of every block cover plate is fixedly connected with the corresponding end on chassis, environmental test cabin, and the other end is connected with the component being arranged on melt pit corresponding end.
3. the removable environmental test chamber for automotive environment wind1 tunnel laboratory according to claim 1, it is characterized in that: described driving mechanism A by being fixed on the tooth bar paralleled with two tracks in melt pit, the gear being arranged on the drive motor A on chassis, environmental test cabin and being arranged on drive motor A output terminal forms, wheel and rack is meshed.
4. the removable environmental test chamber for automotive environment wind1 tunnel laboratory according to claim 1, it is characterized in that: described driving mechanism A is made up of the drive motor B be fixed in melt pit, the nut structure matched with leading screw that is supported on the leading screw in melt pit and is arranged on lower end, chassis, environmental test cabin, wherein leading screw parallels with two tracks, and drive motor B drives with one end of leading screw and is connected.
5. the removable environmental test chamber for automotive environment wind1 tunnel laboratory according to claim 1, it is characterized in that: described driving mechanism B is oil cylinder or cylinder, oil cylinder or cylinder are packed on environmental test cabin, and the cylinder bar of oil cylinder or cylinder drives with the free interface end of the passage that is tightly connected and is connected.
6. the removable environmental test chamber for automotive environment wind1 tunnel laboratory according to claim 1, is characterized in that: on the ground in environmental test cabin, be provided with free drum structure.
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| CN201510046496.0A CN104614147B (en) | 2015-01-29 | 2015-01-29 | Movable environment test chamber for automobile environment wind tunnel laboratory |
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| CN201510046496.0A CN104614147B (en) | 2015-01-29 | 2015-01-29 | Movable environment test chamber for automobile environment wind tunnel laboratory |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106441864A (en) * | 2016-08-31 | 2017-02-22 | 青岛四机设备工程有限公司 | Gear case running-in testing stand |
| CN106918450A (en) * | 2015-12-25 | 2017-07-04 | 深圳市弗赛特检测设备有限公司 | A kind of head valve high temperature performance experimental rig |
| CN108106808A (en) * | 2017-12-15 | 2018-06-01 | 苏州科伊嘉航空科技有限公司 | A kind of movable wind tunnel device |
| CN109612677A (en) * | 2018-12-13 | 2019-04-12 | 北京航天益森风洞工程技术有限公司 | A kind of tuyere replacement device of automotive environment wind-tunnel |
| CN110823496A (en) * | 2019-11-18 | 2020-02-21 | 中国汽车工程研究院股份有限公司 | Automobile environment wind tunnel scavenging and air breathing system |
| CN113237668A (en) * | 2021-03-31 | 2021-08-10 | 湖北环一电磁装备工程技术有限公司 | Environmental test chamber for simulating multi-environment system of heavy-load chassis dynamometer |
| CN114441132A (en) * | 2022-04-08 | 2022-05-06 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Side wall plate pulling device for large wind tunnel jet pipe section and pulling method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113237668A (en) * | 2021-03-31 | 2021-08-10 | 湖北环一电磁装备工程技术有限公司 | Environmental test chamber for simulating multi-environment system of heavy-load chassis dynamometer |
| CN114441132A (en) * | 2022-04-08 | 2022-05-06 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Side wall plate pulling device for large wind tunnel jet pipe section and pulling method thereof |
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| CN104614147B (en) | 2017-05-10 |
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