CN210535585U - High-voltage direct-current relay device with heat dissipation structure - Google Patents
High-voltage direct-current relay device with heat dissipation structure Download PDFInfo
- Publication number
- CN210535585U CN210535585U CN201921976960.6U CN201921976960U CN210535585U CN 210535585 U CN210535585 U CN 210535585U CN 201921976960 U CN201921976960 U CN 201921976960U CN 210535585 U CN210535585 U CN 210535585U
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- Prior art keywords
- pair
- heat dissipation
- relay device
- dissipation structure
- contact assembly
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 238000010891 electric arc Methods 0.000 claims abstract description 10
- 230000003068 static effect Effects 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims description 20
- 238000009423 ventilation Methods 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000005855 radiation Effects 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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Abstract
The utility model discloses a high voltage direct current relay device with heat radiation structure relates to electronic control device technical field. The utility model comprises a shell, a movable contact component, a fixed contact component, a coil, a clapboard and a sealing cover; the top of the shell is sunken downwards to form a pair of internal thread pipes; the inner bottom surface of the internal thread pipe is provided with a mounting hole; the movable contact assembly comprises a support frame; the support frame is of a T-shaped structure; the peripheral side surface of the support frame is matched with a spring; a pair of movable contacts is fixedly arranged at the top of the supporting frame; the stationary contact assembly includes a pair of terminals; the other end of the pair of leading-out ends is fixedly provided with a static contact; the peripheral side surfaces of the lower ends of the pair of leading-out ends are provided with thread sections matched with the internal thread pipe. The utility model discloses a casing, movable contact subassembly, stationary contact subassembly, coil, baffle and the sealed effect of covering have the effect that reaches electric arc in opposite directions between the two sets of sound contacts of separation, be convenient for ventilate the heat dissipation, be convenient for the dismouting, improve high-voltage direct-current relay's security.
Description
Technical Field
The utility model belongs to the technical field of the electronic control device, especially, relate to a high voltage direct current relay device with heat radiation structure.
Background
During the use of the electrical contacts of the high-voltage direct-current relay, an electric arc is generated when the electrical contacts are separated, and the current intensity and the generated temperature of the electric arc are very high. Meanwhile, the high-voltage direct-current relay can generate an arc blowing outwards in operation, but under the condition that the positive electrode and the negative electrode of the high-voltage direct-current relay are reversely connected, each group of moving and static contacts of the high-voltage direct-current relay can blow an arc towards the inner side, opposite arcs can be formed between the two groups of moving and static contacts, once the opposite arcs are contacted, the high-voltage direct-current relay is easy to generate short circuit, and therefore fire or explosion is caused to cause danger.
In view of the above problem, the utility model discloses a casing, movable contact subassembly, stationary contact subassembly, coil, baffle and the sealed effect of covering have the effect that reaches electric arc in opposite directions between the two sets of sound contacts of separation, be convenient for ventilation cooling, the dismouting of being convenient for, improve high voltage direct current relay's security.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high voltage direct current relay device with heat radiation structure, through the effect of casing, movable contact subassembly, stationary contact subassembly, coil, baffle and sealed lid, the positive negative pole of having solved current high voltage direct current relay connects the reverse time and produces electric arc in opposite directions easily, takes place the short circuit in order to lead to the problem of catching fire or explosion.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a high-voltage direct-current relay device with a heat dissipation structure, which comprises a shell, a movable contact component, a fixed contact component, a coil, a clapboard for separating electric arcs and a sealing cover fixedly arranged at the top of the clapboard;
the top of the shell is sunken downwards to form a pair of internal threaded pipes, so that the static contact assembly can be conveniently mounted and dismounted; the inner bottom surface of the internal thread pipe is provided with a mounting hole, so that the static contact assembly can conveniently stretch into and limit;
the movable contact assembly comprises a support frame; the support frame is of a T-shaped structure; the peripheral side surface of the support frame is matched with a spring and a sealing plate; the spring is matched with the sealing plate to facilitate the action and the reset of the movable contact assembly; a pair of movable contacts is fixedly arranged at the top of the supporting frame;
the stationary contact assembly includes a pair of terminals; the other end of the pair of leading-out ends is fixedly provided with a static contact; the peripheral side surfaces of the lower ends of the leading-out ends are provided with thread sections matched with the internal thread pipe;
the lower end of the movable contact component is matched with a fixed frame and is fixed on the inner bottom surface of the shell; the peripheral side surface of the fixed frame is provided with a coil; the movable contact assembly is matched with the fixed contact assembly; the partition plate is fixedly arranged between the pair of leading-out ends and extends to the interior of the shell.
Furthermore, a limiting groove is fixedly arranged between the pair of movable contacts; the limiting groove is in sliding fit with the partition plate.
Furthermore, a pair of lead-out end lower surfaces are matched with sealing gaskets and matched with the top surface of the shell, so that the shell is convenient to seal.
Furthermore, a pair of blind grooves are formed in the upper surface of the partition plate, and the upper ends of the partition plate are communicated with each other; the blind grooves are arrayed with communicating holes on one side face far away from the center of the partition plate, so that heat dissipation is facilitated.
Further, the partition plate communication hole is of an inclined hole structure.
Furthermore, the clapboard is made of insulating materials, and has the function of blocking opposite electric arcs between the two groups of moving contacts and the fixed contacts when the moving contacts and the fixed contacts are separated and combined to generate electric arcs.
Furthermore, the inner bottom surface of the sealing cover is fixedly connected with a plurality of connecting columns; the other ends of the connecting columns are connected with an inner cover together; a through hole is formed in the middle of the inner cover; the gap between the sealing cover and the inner cover is communicated with the through hole to form a ventilation channel, so that the sealing cover is conveniently communicated with the outside air, and meanwhile, a certain waterproof effect is achieved; the sealing cover can be provided with no air-permeable channel, so that inert gas can be filled into the shell or vacuum can be pumped, and the arc extinguishing function is realized.
The utility model discloses following beneficial effect has:
1. the utility model discloses a casing top undercut forms a pair of internal thread pipe, the installation and the dismantlement of the stationary contact subassembly of being convenient for.
2. The utility model discloses a side array that baffle center was kept away from to a pair of blind groove has the intercommunicating pore, is convenient for dispel the heat.
3. The utility model discloses a baffle is made by insulating material, and when movable contact and stationary contact separation and reunion produced electric arc, the baffle had the effect of the electric arc in opposite directions between two sets of movable contacts of separation and the stationary contact, had the effect that reaches electric arc in opposite directions between two sets of sound contacts of separation, be convenient for ventilate the heat dissipation, be convenient for the dismouting, improve high-voltage direct-current relay's security.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a high-voltage direct-current relay device with a heat dissipation structure according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
in the drawings, the components represented by the respective reference numerals are listed below:
1-shell, 2-movable contact component, 3-fixed contact component, 4-coil, 5-clapboard, 6-sealing cover, 101-internal thread tube, 201-supporting frame, 202-spring, 203-movable contact, 204-spacing groove, 301-leading-out end, 302-fixed contact, 501-blind groove, 502-communicating hole, 601-connecting column, 602-inner cover and 603-through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention relates to a high voltage direct current relay device with a heat dissipation structure, which includes a housing 1, a moving contact assembly 2, a stationary contact assembly 3, a coil 4, a baffle 5 for blocking an electric arc, and a sealing cover 6 fixedly mounted on the top of the baffle 5;
as shown in fig. 1, the top of the housing 1 is recessed downward to form a pair of internal threaded pipes 101, which facilitates the installation and removal of the stationary contact assembly 3; the inner bottom surface of the internal thread pipe 101 is provided with a mounting hole, so that the static contact assembly 3 can conveniently extend into and limit;
the movable contact assembly 2 includes a support frame 201; the supporting frame 201 is a T-shaped structure; the peripheral side surface of the supporting frame 201 is matched with a spring 202 and a sealing plate; the spring 202 is matched with the sealing plate to facilitate the action and the reset of the movable contact assembly 2; a pair of movable contacts 203 are fixedly arranged at the top of the supporting frame 201;
the stationary contact assembly 3 includes a pair of terminals 301; the other ends of the pair of leading-out ends 301 are fixedly provided with static contacts 302; the peripheral side surfaces of the lower ends of the pair of leading-out ends 301 are provided with thread sections matched with the internal thread pipe 101;
the lower end of the movable contact component 2 is matched with a fixed frame and fixed on the inner bottom surface of the shell 1; the peripheral side surface of the fixing frame is provided with a coil 4; the movable contact component 2 is matched with the fixed contact component 3; the partition 5 is fixedly installed between the pair of terminals 301 and extends to the inside of the housing 1.
Preferably, as shown in fig. 1, a limiting groove 204 is fixedly installed between the pair of movable contacts 203; the limiting groove 204 is in sliding fit with the partition plate 5.
Preferably, as shown in fig. 1, the lower surfaces of the pair of terminals 301 are fitted with gaskets and are fitted with the top surface of the housing 1, so as to seal the housing 1.
Preferably, as shown in fig. 1-2, a pair of blind grooves 501 are formed on the upper surface of the partition plate 5, and the blind grooves are communicated with each other at the upper end of the partition plate 5; the communicating holes 502 are arrayed on one side of the pair of blind grooves 501 far away from the center of the partition plate 5, so that heat dissipation is facilitated.
Preferably, as shown in fig. 1-2, the communication holes 502 of the separator 5 have an inclined hole structure.
Preferably, as shown in fig. 1, the partition 5 is made of an insulating material, and when the movable contact 203 is separated from the fixed contact 302 to generate an arc, the partition 5 has an effect of blocking the opposite arcs between the two sets of the movable contact 203 and the fixed contact 302.
Preferably, as shown in fig. 1-2, the inner bottom surface of the sealing cover 6 is fixedly connected with a plurality of connecting columns 601; the other ends of the connecting posts 601 are connected with an inner cover 602; the middle part of the inner cover 602 is provided with a through hole 603; the gap between the sealing cover 6 and the inner cover 602 is communicated with the through hole 603 to form a ventilation channel, so that the sealing cover is conveniently communicated with the outside air, and meanwhile, a certain waterproof effect is achieved; the sealing cover 6 may not be provided with a ventilation channel, so that inert gas can be filled into the shell 1 or vacuum can be pumped, and the arc extinguishing function is achieved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A high-voltage direct-current relay device with a heat dissipation structure comprises a shell (1), a movable contact assembly (2), a fixed contact assembly (3) and a coil (4); the method is characterized in that: the arc-extinguishing device also comprises a clapboard (5) for obstructing electric arc and a sealing cover (6) fixedly arranged on the top of the clapboard (5);
the top of the shell (1) is downwards sunken to form a pair of internal thread pipes (101); the inner bottom surface of the internal thread pipe (101) is provided with a mounting hole;
the movable contact assembly (2) comprises a support frame (201); the support frame (201) is of a T-shaped structure; a spring (202) is matched with the peripheral side surface of the support frame (201); a pair of movable contacts (203) is fixedly arranged at the top of the supporting frame (201);
the stationary contact assembly (3) includes a pair of terminals (301); the other end of the pair of leading-out ends (301) is fixedly provided with a static contact (302); the peripheral side surfaces of the lower ends of the leading-out ends (301) are provided with thread sections matched with the internal thread pipe (101);
the lower end of the movable contact component (2) is matched with a fixed frame and is fixed on the inner bottom surface of the shell (1); the peripheral side surface of the fixed frame is provided with a coil (4); the movable contact assembly (2) is matched with the fixed contact assembly (3); the partition plate (5) is fixedly arranged between the pair of leading-out ends (301) and extends to the interior of the shell (1).
2. The HVDC relay device with the heat dissipation structure of claim 1, wherein a spacing groove (204) is fixedly installed between a pair of the moving contacts (203); the limiting groove (204) is in sliding fit with the partition plate (5).
3. The HVDC relay device with heat dissipation structure of claim 1, wherein the lower surfaces of the pair of terminals (301) are fitted with gaskets and are fitted with the top surface of the housing (1).
4. The high-voltage direct current relay device with the heat dissipation structure is characterized in that a pair of blind grooves (501) are formed in the upper surface of the partition plate (5), and the blind grooves are communicated with the upper end of the partition plate (5); and communication holes (502) are arrayed on one side surface of the pair of blind grooves (501) far away from the center of the partition plate (5).
5. The HVDC relay device with heat dissipation structure of claim 4, wherein the communication hole (502) of the partition (5) is an inclined hole structure.
6. The high-voltage direct current relay device with a heat dissipation structure according to claim 1, characterized in that the partition (5) is made of an insulating material.
7. The HVDC relay device with the heat dissipation structure of claim 1, wherein a plurality of connecting columns (601) are fixedly connected to the inner bottom surface of the sealing cover (6); the other ends of the connecting columns (601) are connected with an inner cover (602) together; a through hole (603) is formed in the middle of the inner cover (602); the gap between the sealing cover (6) and the inner cover (602) is communicated with the through hole (603) to form a ventilation channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921976960.6U CN210535585U (en) | 2019-11-15 | 2019-11-15 | High-voltage direct-current relay device with heat dissipation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921976960.6U CN210535585U (en) | 2019-11-15 | 2019-11-15 | High-voltage direct-current relay device with heat dissipation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210535585U true CN210535585U (en) | 2020-05-15 |
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ID=70608693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921976960.6U Expired - Fee Related CN210535585U (en) | 2019-11-15 | 2019-11-15 | High-voltage direct-current relay device with heat dissipation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210535585U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002609A (en) * | 2020-07-10 | 2020-11-27 | 河北工业大学 | High-voltage direct-current relay device with heat dissipation structure |
| CN112185767A (en) * | 2020-10-29 | 2021-01-05 | 阜阳中骄智能科技有限公司 | Driving device for relay and relay with same |
| TWI772120B (en) * | 2021-07-23 | 2022-07-21 | 松川精密股份有限公司 | Electromagnetic Relay |
| CN115458370A (en) * | 2022-11-09 | 2022-12-09 | 浙江英洛华新能源科技有限公司 | Fixing structure of relay leading-out terminal |
-
2019
- 2019-11-15 CN CN201921976960.6U patent/CN210535585U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002609A (en) * | 2020-07-10 | 2020-11-27 | 河北工业大学 | High-voltage direct-current relay device with heat dissipation structure |
| CN112185767A (en) * | 2020-10-29 | 2021-01-05 | 阜阳中骄智能科技有限公司 | Driving device for relay and relay with same |
| TWI772120B (en) * | 2021-07-23 | 2022-07-21 | 松川精密股份有限公司 | Electromagnetic Relay |
| CN115458370A (en) * | 2022-11-09 | 2022-12-09 | 浙江英洛华新能源科技有限公司 | Fixing structure of relay leading-out terminal |
| CN115458370B (en) * | 2022-11-09 | 2023-02-03 | 浙江英洛华新能源科技有限公司 | Fixing structure of relay leading-out terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200515 |