CN101561340A

CN101561340A - Effective water cooling short-circuit ring structure

Info

Publication number: CN101561340A
Application number: CNA200910027674XA
Authority: CN
Inventors: 朱江峰; 钟琼华
Original assignee: Suzhou Sushi Testing Instrument Co Ltd
Current assignee: Suzhou Su test group Limited by Share Ltd
Priority date: 2009-05-18
Filing date: 2009-05-18
Publication date: 2009-10-21
Anticipated expiration: 2029-05-18
Also published as: CN101561340B

Abstract

The invention relates to an effective water cooling short-circuit ring structure; a short-circuit ring and a cooling water pipe are arranged around the peripheral wall of a centre magnetic pole or/and the internal perisporium of a magnetic cylinder ring and the edge of the two axial ends of the short-circuit ring is welded and fixed with the peripheral wall of the centre magnetic pole or the internal perisporium of the magnetic cylinder ring; the short-circuit ring is divided into at least two sections along the axial direction, an annular space is formed between the binding surface of at least two sections of the short-circuit ring, the cooling water pipe is arranged in the annular space and solder is filled in the annular space which is used to weld the binding surface of the short-circuit ring, the cooling water pipe and the centre magnetic pole or the magnetic cylinder ring together. The proposal enhances the cooling efficiency of the short-circuit ring and the binding strength between the short-circuit ring and the centre magnetic pole (or magnetic cylinder ring), thus controlling the temperature of the short-circuit ring in a reasonable range and improving the performance of a vibrating table.

Description

Effective water cooling short-circuit ring structure

Technical field

The present invention relates to the electric vibration testing bench in the environmental mechanics test, be specifically related to a kind of effective water cooling short-circuit ring structure of large-size water-cooling formula electric vibration table.

Background technology

Electric vibration testing bench (hereinafter to be referred as electric vibration table) is a kind of equipment that product or the actual mechanics that stands of parts and climatic environment is carried out real simulation.It is widely used in the industries such as space flight, aviation, boats and ships, automobile, electronics, communication, household electrical appliances and instrument and meter.

Electric vibration table utilizes the electric and magnetic oscillation principle design to form, its structure as shown in Figure 1, mainly form by moving-coil 1, magnetic cylinder ring 2, central magnetic pole 3, in the magnetic field that the field copper (not shown) provides, the bottom of moving-coil 1 is provided with drive coil winding 4 to moving-coil 1 as the oscillating component floating support.Because electric vibration table is operated in the very wide electric and magnetic oscillation frequency range, generally in 5～5KHZ scope, in order to reduce the AC impedance of moving-coil 1 when the high-frequency work, need the outside drive coil winding 4 in central magnetic pole 3 or/and on the magnetic cylinder ring 2 correspondence establish short-circuited conducting sleeve 5, this short-circuited conducting sleeve 5 and the periphery wall of central magnetic pole 3 or the internal perisporium of magnetic cylinder ring 2 closely weld together.

During electric vibration table work, short-circuited conducting sleeve can produce very big induction current because of the drive current of induction moving-coil, thereby produce a large amount of heats, so must cool off to short-circuited conducting sleeve, and for large-size water-cooling formula electric vibration table, chilled water commonly used cools off short-circuited conducting sleeve, traditional water cooling short-circuit ring structure as shown in Figure 2, the periphery wall of central magnetic pole 3 (or internal perisporium of magnetic cylinder ring 2) upper edge circumferentially offers a circle groove, cooling water pipe 6 is embedded in to weld in this groove and fixes, the periphery wall (or internal perisporium of magnetic cylinder ring 2) that short-circuited conducting sleeve 5 is overlying on central magnetic pole 3 upward contacts with cooling water pipe 6, then by scolder 9 welding with short-circuited conducting sleeve 5 on axially the edge, two ends and the periphery wall (or internal perisporium of magnetic cylinder ring 2) of central magnetic pole 3 link together, constitute water cooling short-circuit ring structure with this, reach the effect of cooling short-circuited conducting sleeve.When if the short-circuited conducting sleeve axial length is longer, for guaranteeing that short-circuited conducting sleeve and central magnetic pole (or magnetic cylinder ring) surface energy fit tightly, also need perforate on short-circuited conducting sleeve, weld non-edge of short-circuited conducting sleeve and central magnetic pole (or magnetic cylinder ring) surface fixing by the mode of spot welding in the hole.

Above-mentioned water cooling short-circuit ring structure uses for many years, but facts have proved still and come with some shortcomings, and mainly is:

1, owing to only be between short-circuited conducting sleeve and the cooling water pipe against directly not being connected, though people are by beaing, modes such as spot welding guarantee as far as possible that short-circuited conducting sleeve and central magnetic pole (or magnetic cylinder ring) surface energy fit tightly makes short-circuited conducting sleeve guarantee to contact with cooling water pipe, but undeniable short-circuited conducting sleeve and cooling water pipe certainly exist the gap between the two, thereby have influence on cooling effect, and because of short-circuited conducting sleeve different with the material of central magnetic pole (or magnetic cylinder ring), short-circuited conducting sleeve is the red copper material, in the time of 20～200 ℃, its expansion coefficient is 17.5, and central magnetic pole (or magnetic cylinder ring) is a carbon steel material, its expansion coefficient is 11.3～13, when electric vibration table is worked, short-circuited conducting sleeve generates heat because of producing induction current, behind the expanded by heating, the gap between short-circuited conducting sleeve and central magnetic pole (or the magnetic cylinder ring) surface of contact can further be strengthened, thereby the gap between short-circuited conducting sleeve and cooling water pipe is also strengthened, both disengagements obviously descend cooling effectiveness, and its direct result burns out short-circuited conducting sleeve exactly and damages the drive coil winding.

2, because short-circuited conducting sleeve itself only is by axial edge, two ends and central magnetic pole (or magnetic cylinder ring) welding, its middle part relies on the spot welding mode to reinforce at most, when the short-circuited conducting sleeve axial length is longer, the short-circuited conducting sleeve middle part does not fit tightly with central magnetic pole (or magnetic cylinder ring) surface, may there be shake, strength of joint reduces, thereby influences the performance index of shaking table.

Therefore, how addressing the above problem, is the present invention's content of research emphatically.

Summary of the invention

The invention provides a kind of effective water cooling short-circuit ring structure, its fundamental purpose is to improve the cooling effectiveness of short-circuited conducting sleeve and the strength of joint between short-circuited conducting sleeve and central magnetic pole (or magnetic cylinder ring), thereby it is interior and improve the performance of shaking table to make the temperature of short-circuited conducting sleeve be controlled at reasonable range.

In order to achieve the above object, the technical solution used in the present invention is: a kind of effective water cooling short-circuit ring structure, at the central magnetic pole periphery wall or/and on the internal perisporium of magnetic cylinder ring ring establish short-circuited conducting sleeve and cooling water pipe, the internal perisporium welding of the edge, axial two ends of described short-circuited conducting sleeve and central magnetic pole periphery wall or magnetic cylinder ring is fixed; Described short-circuited conducting sleeve is divided at least two sections on its axial direction, form annular space between the interface of these at least two sections short-circuited conducting sleeves, described cooling water pipe places in this annular space, and the welding of sealing weld material links into an integrated entity interface, cooling water pipe and central magnetic pole or the magnetic cylinder ring of short-circuited conducting sleeve in annular space.

The further change interpretation of related content in the technique scheme is as follows:

1, in the such scheme, described central magnetic pole periphery wall or/and on the internal perisporium of magnetic cylinder ring corresponding cooling water pipe offer annular caulking groove, the last branch in described cooling water pipe cross section is embedded in that another part is positioned at annular space in the annular caulking groove; If according to design water pipe size smaller or equal to short-circuited conducting sleeve thickness, can be directly and short-circuited conducting sleeve weld and be welded on central magnetic pole or magnetic cylinder ring surface, unnecessaryly offer belt caulking groove.

2, in the such scheme, described short-circuited conducting sleeve, cooling water pipe and scolder are material of the same race, are red copper.And in order to save material, its best is that short-circuited conducting sleeve adopts the red copper material, and cooling water pipe and scolder be the metal material material that can melt mutually with short-circuited conducting sleeve.

3, in the such scheme, described short-circuited conducting sleeve also can be divided into multistage according to the size of its axial length on its axial direction, and the hop count that cooling water pipe can corresponding short-circuited conducting sleeve increases and is provided with.

Because the technique scheme utilization, the present invention compared with prior art has following advantage:

1, because the present invention is divided at least two sections in the axial direction with short-circuited conducting sleeve, cooling water pipe directly and between the interface of these at least two sections short-circuited conducting sleeves forms annular space, cooling water pipe places in this annular space, and it is integrally welded with short-circuited conducting sleeve, make cooling water pipe top efficiency to take away the heat that short-circuited conducting sleeve produces, improved the cooling effectiveness of short-circuited conducting sleeve; And the welding of sealing weld material links into an integrated entity interface, cooling water pipe and central magnetic pole or the magnetic cylinder ring of short-circuited conducting sleeve in annular space, has effectively improved the switching performance of short-circuited conducting sleeve and central magnetic pole or magnetic cylinder ring.

2, because the present invention is divided at least two sections in the axial direction with a traditional short-circuited conducting sleeve, the short-circuited conducting sleeve selection is convenient, moulding easily, and each section short-circuited conducting sleeve is fixing with the internal perisporium welding of central magnetic pole periphery wall or magnetic cylinder ring respectively, makes its switching performance better.

3, since the present invention adopt cooling water pipe directly and short-circuited conducting sleeve integrally welded, improved the cooling effectiveness of short-circuited conducting sleeve, thereby the minimizing that the flow of cooling water pipe can be suitable, the sectional area that is cooling water pipe can reduce, the sectional area of cooling water pipe reduces then can reduce the magnetic resistance that reduces shaking table, improve excitation efficiency, thereby improve the serviceability of electric vibration table.

Description of drawings

Accompanying drawing 1 is the electric vibration table structural representation;

Accompanying drawing 2 is the structural representation of existing water cooling short-circuit ring structure;

Accompanying drawing 3 is structural representation of the present invention.

In the above accompanying drawing: 1, moving-coil; 2, magnetic cylinder ring; 3, central magnetic pole; 4, drive coil winding; 5, short-circuited conducting sleeve; 6, cooling water pipe; 7, annular space; 8, annular caulking groove; 9, scolder.

Embodiment

Below in conjunction with drawings and Examples the present invention is further described:

Embodiment:

As shown in Figure 3, a kind of effective water cooling short-circuit ring structure, at central magnetic pole 3 periphery walls or/and on the internal perisporium of magnetic cylinder ring 2 ring establish short-circuited conducting sleeve 5 and cooling water pipe 6, the internal perisporium of the edge, axial two ends of described short-circuited conducting sleeve 5 and central magnetic pole 3 periphery walls or magnetic cylinder ring 2 is fixed by scolder 9 welding; Short-circuited conducting sleeve 5 forms annular space 7 between the interface that is divided into two sections these two sections short-circuited conducting sleeves 5 on its axial direction (also can be according to the size of its axial length, be divided into multistage, then all form an annular space 7 between the interface of every adjacent two sections short-circuited conducting sleeves 5), described cooling water pipe 6 is one, place in this annular space 7 (when annular space 7 is two when above, cooling water pipe 6 can corresponding annular space 7 be set to a plurality of), sealing weld material 9 in annular space 7 is welded and fused interface, cooling water pipe 6 and central magnetic pole 3 or the magnetic cylinder ring 2 of short-circuited conducting sleeve 5.

Central magnetic pole 3 periphery walls or/and on the internal perisporium of magnetic cylinder ring 2 corresponding cooling water pipe 6 offer annular caulking groove 8, the last branch in described cooling water pipe 6 cross sections is embedded in the annular caulking groove 8, another part is positioned at annular space 7.

To be red copper, cooling water pipe 6 and scolder 9 be metal material that can be molten mutually with red copper to short-circuited conducting sleeve 5, thereby make the short-circuited conducting sleeve 5 after the welding form an integral body with cooling water pipe 6.

Because short-circuited conducting sleeve 5 is divided at least two sections on its axial direction, form annular space 7 at least between the interface of these two sections short-circuited conducting sleeves 5, cooling water pipe 6 places in this annular space 7, and it is integrally welded with short-circuited conducting sleeve 5, make the heat that short-circuited conducting sleeve 5 produces of taking away that cooling water pipe 6 can top efficiencies, improved the cooling effectiveness of short-circuited conducting sleeve 5; Thereby the minimizing that the flow of cooling water pipe can be suitable, promptly the sectional area of cooling water pipe can reduce, and the sectional area of cooling water pipe reduces then can reduce the magnetic resistance that reduces shaking table, improves excitation efficiency, thereby improves the serviceability of electric vibration table.

And in annular space 7, fill up scolder, and interface, cooling water pipe 6 and central magnetic pole 3 or the magnetic cylinder ring 2 of short-circuited conducting sleeve 5 be welded and fused, and because short-circuited conducting sleeve 5 is divided at least two sections in the axial direction, then make short-circuited conducting sleeve 5 selections make things convenient for and moulding easily, each section short-circuited conducting sleeve 5 is fixed with the periphery wall of central magnetic pole 3 or the internal perisporium welding of magnetic cylinder ring 2 respectively, makes its switching performance better.

The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.

Claims

1, a kind of effective water cooling short-circuit ring structure, at central magnetic pole (3) periphery wall or/and on the internal perisporium of magnetic cylinder ring (2) ring establish short-circuited conducting sleeve (5) and cooling water pipe (6), the internal perisporium of the edge, axial two ends of described short-circuited conducting sleeve (5) and central magnetic pole (3) periphery wall or magnetic cylinder ring (2) welds to be fixed; It is characterized in that: described short-circuited conducting sleeve (5) is divided at least two sections on its axial direction, form annular space (7) at least between the interface of these two sections short-circuited conducting sleeves (5), described cooling water pipe (6) places in this annular space (7), and sealing weld material (9) welding links into an integrated entity interface, cooling water pipe (6) and central magnetic pole (3) or the magnetic cylinder ring (2) of short-circuited conducting sleeve (5) in annular space (7).

2, effective water cooling short-circuit ring structure according to claim 1, it is characterized in that: described central magnetic pole (3) periphery wall or/and on the internal perisporium of magnetic cylinder ring (2) corresponding cooling water pipe (6) offer annular caulking groove (8), the last branch in described cooling water pipe (6) cross section is embedded in the annular caulking groove (8), and another part is positioned at annular space (7).

3, effective water cooling short-circuit ring structure according to claim 1 is characterized in that: described short-circuited conducting sleeve (5), cooling water pipe (6) and scolder are material of the same race.