CN212875759U - A exchange contactless switch for distribution equipment - Google Patents
A exchange contactless switch for distribution equipment Download PDFInfo
- Publication number
- CN212875759U CN212875759U CN201822169256.1U CN201822169256U CN212875759U CN 212875759 U CN212875759 U CN 212875759U CN 201822169256 U CN201822169256 U CN 201822169256U CN 212875759 U CN212875759 U CN 212875759U
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- China
- Prior art keywords
- heat
- heat pipe
- power
- top cover
- shell
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005494 condensation Effects 0.000 claims abstract description 14
- 238000009833 condensation Methods 0.000 claims abstract description 14
- 238000001704 evaporation Methods 0.000 claims abstract description 7
- 230000008020 evaporation Effects 0.000 claims abstract description 7
- 239000004065 semiconductor Substances 0.000 claims description 25
- 238000005057 refrigeration Methods 0.000 claims description 14
- 239000003292 glue Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 2
- 238000001816 cooling Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to an AC contactless switch for distribution equipment, which comprises a shell and a switch body, wherein the switch body is arranged in the inner cavity of the shell; the shell is provided with a plurality of socket holes, a heat pipe is fixedly inserted into each socket hole, the evaporation end of each heat pipe is positioned in the inner cavity of the shell, and the condensation end of each heat pipe is positioned outside the shell. The utility model has the advantages that: the switch body can generate heat in the working process, the heat is dissipated into the inner cavity of the shell, the evaporation end of the heat pipe exchanges heat with the heat, and then the condensation end of the heat pipe exchanges heat with the external environment, so that the heat dissipation is realized, and the heat dissipation effect is good; in addition, the switch body is in a closed environment, so that external dust can be effectively prevented from entering to influence the operation and use of the switch body.
Description
Technical Field
The utility model relates to a distribution technical field especially relates to a contactless switch of interchange for distribution equipment.
Background
An AC contactless switch is a novel switch device composed of a microcontroller and a power electronic device, and the load current is changed step by changing the impedance value of a circuit, so that the on-off of the circuit is completed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an exchange contactless switch for distribution equipment is provided to overcome not enough among the above-mentioned prior art.
The utility model provides an above-mentioned technical problem's technical scheme as follows: an AC contactless switch for distribution equipment comprises a shell and a switch body, wherein the switch body is arranged in an inner cavity of the shell; the shell is provided with a plurality of socket holes, a heat pipe is fixedly inserted into each socket hole, the evaporation end of each heat pipe is positioned in the inner cavity of the shell, and the condensation end of each heat pipe is positioned outside the shell.
The utility model has the advantages that: the switch body can generate heat in the working process, the heat is dissipated into the inner cavity of the shell, the evaporation end of the heat pipe exchanges heat with the heat, and then the condensation end of the heat pipe exchanges heat with the external environment, so that the heat dissipation is realized, and the heat dissipation effect is good; in addition, the switch body is in a closed environment, so that external dust can be effectively prevented from entering to influence the operation and use of the switch body.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, the shell comprises a top cover and a bottom plate, the top cover is hollow inside and has a structure with an opening at the lower end, and the bottom plate is detachably arranged at the lower end of the top cover and covers the opening at the lower end of the top cover; the socket hole is arranged on the top cover.
The adoption of the further beneficial effects is as follows: the switch body is convenient to overhaul.
Further, the up end of the one end of top cap is sunken downwards, forms mounting platform, and the socket hole sets up on mounting platform, and the upper end of heat pipe is less than the up end of top cap.
The adoption of the further beneficial effects is as follows: can reduce holistic volume, in addition, the mounting platform of sunken formation can protect the heat pipe to a certain extent.
Further, still include semiconductor refrigeration piece, mounting bracket and two power connector, the mounting bracket is fixed on mounting platform through two power connector, and the semiconductor refrigeration piece sets up on the mounting bracket, and the cold junction face of semiconductor refrigeration piece is connected with the surface heat conduction of the condensation end of heat pipe, and two wiring ends of semiconductor refrigeration piece are connected with two power connector electricity respectively, and two power connector are connected with the positive negative inlet wire end electricity of switch body respectively.
The adoption of the further beneficial effects is as follows: when the switch body works, the semiconductor refrigerating sheet is electrified, and the cold end surface of the electrified semiconductor refrigerating sheet is refrigerated, so that the condensation end of the heat pipe is in an environment with relatively low temperature, the heat exchange efficiency is improved, and heat generated by the switch body is better radiated; the power supply connector is added, so that the semiconductor refrigerating sheet and the mounting frame can be conveniently assembled and disassembled between the whole body and the mounting platform, and wiring troubles are avoided in the assembling and disassembling process.
Further, still include the heat-conducting piece, the condensation end of heat pipe is being wrapped to the heat-conducting piece, and the cold junction face and the heat-conducting piece heat conduction of semiconductor refrigeration piece are connected.
The adoption of the further beneficial effects is as follows: the heat conduction efficiency is enhanced, and the heat dissipation effect is improved.
Drawings
Fig. 1 is a schematic structural diagram of an ac contactless switch for a power distribution apparatus according to the present invention;
FIG. 2 is a cross-sectional view of an AC contactless switch for a power distribution apparatus in accordance with the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the shell, 110, top cap, 111, socket hole, 112, mounting platform, 113, support cover, 114, rubber sleeve, 115, annular groove, 120, bottom plate, 2, heat pipe, 3, semiconductor refrigeration piece, 4, mounting bracket, 410, curb plate, 420, crossbeam, 5, power connector, 510, public head of power, 520, power female head, 6, heat-conducting piece, 7, the switch body.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, 2, and 3, an ac contactless switch for a power distribution device includes a housing 1 and a switch body 7, the switch body 7 is disposed in an inner cavity of the housing 1, and further includes a plurality of heat pipes 2, the housing 1 is provided with a plurality of socket holes 111, the number of the socket holes 111 may be 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10, and the like, each socket hole 111 is fixedly inserted with one heat pipe 2, an evaporation end of each heat pipe 2 is disposed in the inner cavity of the housing 1, a condensation end of each heat pipe 2 is disposed outside the housing 1, the switch body 7 generates heat during operation, the heat is dissipated into the inner cavity of the housing 1, the evaporation end of the heat pipe 2 exchanges heat with the heat, and then the condensation end of the heat pipe 2 exchanges heat with an external environment, thereby achieving heat dissipation.
The shell 1 comprises a top cover 110 and a bottom plate 120, the top cover 110 is an internal hollow structure, the lower end is an open-ended structure, the top cover 110 shown in fig. 1 is an internal hollow structure, the lower end is an open-ended rectangular structure, the bottom plate 120 is detachably arranged at the lower end of the top cover 110, the bottom plate 120 covers the opening at the lower end of the top cover 110, the bottom plate 120 and the top cover 110 can be connected by screws, and can also be connected by a clamping manner, a socket hole 111 is arranged on the top cover 110, the top cover 110 is further provided with a wire passing hole and a binding post mounting hole matched with a switch body 7, and a sealing ring is sleeved in the wire passing.
The upper end surface of one end of the top cover 110 is downwardly concaved to form a mounting platform 112, fig. 1 shows that the upper end surface of the left end of the top cover 110 is downwardly concaved to form the mounting platform 112, the socket hole 111 is provided on the mounting platform 112, and the upper end of the heat pipe 2 is lower than the upper end surface of the top cover 110.
The alternating-current contactless switch for the power distribution equipment further comprises a semiconductor refrigerating sheet 3, a mounting rack 4 and two power connectors 5, the mounting rack 4 is fixed on the mounting platform 112 through the two power connectors 5, the semiconductor refrigerating sheet 3 is arranged on the mounting rack 4, the cold end face of the semiconductor refrigerating sheet 3 is in heat conduction connection with the outer surface of the condensation end of the heat pipe 2, two wiring ends of the semiconductor refrigerating sheet 3 are respectively electrically connected with the two power connectors 5, the two power connectors 5 are respectively electrically connected with the positive and negative inlet wire ends of the switch body 7, and power supply connected with the switch body 7 can be used for supplying power to the semiconductor refrigerating sheet 3.
The mounting frame 4 comprises two side plates 410 and a cross beam 420, two ends of the cross beam 420 are respectively connected with the upper ends of the two side plates 410, the two side plates 410 and the cross beam 420 jointly form an n-shaped structure, the power connector 5 comprises a power male head 510 and a power female head 520, in a normal case, the power male head 510 is fixed on the mounting platform 112, the power female head 520 is embedded on the lower end face of the side plates 410, the two power female heads 520 are respectively electrically connected with two terminals of the semiconductor refrigeration piece 3 through wires, the two power male heads 510 are respectively electrically connected with the positive and negative incoming line ends of the switch body 7 through wires, and the semiconductor refrigeration piece 3 is located between the two side plates 410.
In general, all the socket holes 111 provided on the mounting platform 112 are arranged in a row, so that the heat pipes 2 can be arranged in a row, thereby facilitating the heat pipes 2 to be connected with the cold side end of the semiconductor chilling plate 3 in a heat conduction manner.
The mounting platform 112 is provided with a support sleeve 113 at the socket hole 111, the support sleeve 113 is sleeved on the heat pipe 2, the length of the support sleeve 113 is preferably 10mm-20mm, in addition, a rubber sleeve 114 is further arranged between the outer circumferential surface of the heat pipe 2 and the inner wall of the support sleeve 113, an annular groove 115 is arranged on the inner wall of the support sleeve 113, the inner diameter of the annular groove 115 is equal to the outer diameter of the rubber sleeve 114, the inner diameter of the rubber sleeve 114 is slightly smaller than the outer diameter of the heat pipe 2, preferably 0.5mm-1mm smaller, and the thickness of the rubber sleeve 114 is 3mm-10mm, so that the stability of the heat pipe 2 during fixing can be improved on one hand, and the sealing performance of the heat pipe 2 and the top cover 11 after assembly.
The alternating-current contactless switch for the distribution equipment further comprises a heat conducting piece 6, the heat conducting piece 6 covers the condensation end of the heat pipe 2, the cold end face of the semiconductor refrigerating sheet 3 is in heat conduction connection with the heat conducting piece 6, and the heat conducting piece 6 can be solidified heat conducting glue.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (1)
1. An alternating current contactless switch for a power distribution device, characterized by comprising a housing (1) and a switch body (7), the switch body (7) being arranged in an inner cavity of the housing (1); the heat pipe heat exchanger is characterized by further comprising a plurality of heat pipes (2), a plurality of bearing holes (111) are formed in the shell (1), one heat pipe (2) is fixedly inserted into each bearing hole (111), the evaporation end of each heat pipe (2) is located in the inner cavity of the shell (1), and the condensation end of each heat pipe (2) is located outside the shell (1);
the shell (1) comprises a top cover (110) and a bottom plate (120), the top cover (110) is hollow, the lower end of the top cover is open, the bottom plate (120) is detachably arranged at the lower end of the top cover (110), and covers the opening at the lower end of the top cover (110); the socket hole (111) is arranged on the top cover (110);
the upper end surface of one end of the top cover (110) is downwards sunken to form an installation platform (112), the socket hole (111) is formed in the installation platform (112), and the upper end of the heat pipe (2) is lower than the upper end surface of the top cover (110);
the heat pipe cooling structure is characterized by further comprising a semiconductor refrigeration piece (3), a mounting frame (4) and two power connectors (5), wherein the mounting frame (4) is fixed on the mounting platform (112) through the two power connectors (5), the semiconductor refrigeration piece (3) is arranged on the mounting frame (4), the cold end face of the semiconductor refrigeration piece (3) is in heat conduction connection with the outer surface of the condensation end of the heat pipe (2), two wiring terminals of the semiconductor refrigeration piece (3) are respectively and electrically connected with the two power connectors (5), and the two power connectors (5) are respectively and electrically connected with the positive and negative wire inlet ends of the switch body (7);
the mounting rack (4) comprises two side plates (410) and a cross beam (420), two ends of the cross beam (420) are respectively connected with the upper ends of the two side plates (410), the two side plates (410) and the cross beam (420) jointly form an n-shaped structure, the power connector (5) comprises a power male head (510) and a power female head (520), the power male head (510) is fixed on the mounting platform (112), the power female head (520) is embedded on the lower end face of the side plates (410), the two power female heads (520) are respectively electrically connected with two wiring terminals of the semiconductor refrigeration sheet (3) through wires, and the two power male heads (510) are respectively electrically connected with positive and negative wire inlet ends of the switch body (7) through wires;
the semiconductor refrigerating sheet (3) is positioned between the two side plates (410);
the heat pipe is characterized by further comprising a heat conducting piece (6), the heat conducting piece (6) covers the condensation end of the heat pipe (2), the cold end face of the semiconductor refrigeration sheet (3) is in heat conduction connection with the heat conducting piece (6), and the heat conducting piece (6) is solidified heat conducting glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169256.1U CN212875759U (en) | 2018-12-21 | 2018-12-21 | A exchange contactless switch for distribution equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169256.1U CN212875759U (en) | 2018-12-21 | 2018-12-21 | A exchange contactless switch for distribution equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212875759U true CN212875759U (en) | 2021-04-02 |
Family
ID=75185165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822169256.1U Expired - Fee Related CN212875759U (en) | 2018-12-21 | 2018-12-21 | A exchange contactless switch for distribution equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212875759U (en) |
-
2018
- 2018-12-21 CN CN201822169256.1U patent/CN212875759U/en not_active Expired - Fee Related
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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: 20210402 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |