CN210174574U - Novel PTC radiating block grounding structure - Google Patents
Novel PTC radiating block grounding structure Download PDFInfo
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- CN210174574U CN210174574U CN201920990203.8U CN201920990203U CN210174574U CN 210174574 U CN210174574 U CN 210174574U CN 201920990203 U CN201920990203 U CN 201920990203U CN 210174574 U CN210174574 U CN 210174574U
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- radiating block
- heat dissipation
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Abstract
The utility model relates to a novel PTC radiating block ground structure, it has solved the whole ground connection mode of current PTC technical problem with high costs, that occupation space is big, the radiating block with insulating casing moulds plastics formula formed part as an organic whole, and the radiating block divide into two parts, and partly is microscler ripple body, is equipped with the waveform groove on the microscler ripple body, and another part is located square on the microscler ripple body, and the length of square is less than the length of microscler ripple body, and one side of microscler ripple body is equipped with control circuit board ground connection screw, and the opposite side is equipped with whole car ground connection screw, is equipped with shielding layer ground connection screw on the square of radiating block. The utility model discloses but wide application in new energy automobile PTC heater field.
Description
Technical Field
The utility model belongs to the technical field of new energy automobile PTC heater and specifically relates to a novel PTC radiating block ground structure.
Background
With the development of new energy automobiles in China, consumers have higher and higher requirements on the comfort of the temperature in the whole automobile, so that the low-configuration fixed-gear-adjustment air-heating PTC heater cannot better adapt to the market demand, and is gradually replaced by the integrally-controlled air-heating PTC heater, and the problem of heat dissipation of a control element of the air-heating PTC heater becomes the key for developing the products. Two common methods for solving the heat dissipation problem are provided, one is that a metal heat dissipation block is added outside a component, but as the power of a PTC heater is continuously increased along with the increase of the power of a wind heating device, the larger the heat productivity of the component is, the limited installation space is provided, and the use requirement of a product cannot be completely met only by adding the metal heat dissipation block; the other type is that when increasing the metal radiating block, blow to the metal part, though reach the radiating effect, but consumer's comfort reduces, and cold wind blows the temperature difference of the metal radiating part of the air conditioner heating core surface and the component that heats very big, leads to whole surface temperature heat transfer volume different, makes each item performance of product whole reduce.
In addition, the traditional PTC integral grounding mode simultaneously considers the EUC, the heat dissipation block, the whole vehicle grounding and the high-voltage shielding wire shielding layer grounding, and has the advantages of complex structure, high cost and large occupied space.
Disclosure of Invention
The utility model discloses be exactly in order to solve not enough among the above-mentioned background art, provide a simple structure, practice thrift the cost, occupy small novel PTC radiating block ground structure.
Therefore, the utility model provides a novel PTC radiating block ground structure, it is equipped with control circuit board, the radiating block, insulation casing has vertical part and is the horizontal recess of integrated configuration and locating the vertical part top with vertical part, horizontal recess is "7" font structure, be equipped with control circuit board in the horizontal recess, the radiating block moulds plastics formula formed part as an organic whole with insulation casing, the radiating block divide into two parts, one part is microscler corrugated body, be equipped with the wave form recess on the microscler corrugated body, another part locates the square body on the microscler corrugated body, and the length of square body is less than the length of microscler corrugated body, one side of microscler corrugated body is equipped with control circuit board ground connection screw, the opposite side is equipped with whole car ground connection screw, be equipped with shielding layer ground connection screw on the square body of.
Preferably, a U-shaped groove is formed in the wall of the transverse groove of the insulating shell, a sealing plug is assembled in the U-shaped groove, and a high-voltage wire harness shielding layer is arranged on the sealing plug and connected with a ground wire.
Preferably, the shielding layer grounding screw hole, the control circuit board grounding screw hole and the vehicle grounding screw hole on the radiating block are respectively connected with the high-voltage wire harness shielding layer grounding wire, the control circuit board and the vehicle grounding wire through screws.
Preferably, the square body of the radiating block is embedded on the inner wall of the transverse groove of the insulating shell, and the long corrugated body of the radiating block is attached to the outer wall of the vertical part of the insulating shell.
Preferably, the outer wall of the transverse groove of the insulating shell is provided with a square boss, a long convex edge and an ear-shaped boss.
Preferably, the wave-shaped grooves are of an elongated structure.
The utility model discloses an useful:
the utility model discloses be equipped with control circuit board, the radiating block, insulating casing, the radiating block moulds plastics formula formed part as an organic whole with insulating casing, the radiating block divide into two parts, one part is the microscler ripple body, be equipped with the waveform recess on the microscler ripple body, the waveform recess is rectangular structure, be used for outside heat dissipation, design into the waveform structure, can make the device heat dissipation more even, and radiating area is big, the heat dissipation is fast, another part locates the square on the microscler ripple body, the square of radiating block is inlayed on the inner wall of insulating casing's horizontal recess, the microscler ripple body of radiating block is connected with insulating casing's vertical part outer wall laminating, through this structure, increase the radiating block and the tight laminating degree of insulating casing on the one hand, on the other hand increases the heat radiating area of radiating block, guarantee PTC heater.
(2) The utility model discloses well radiating block still is equipped with three ground connection screw, is shielding layer grounding screw, control circuit board ground connection screw and whole car ground connection screw respectively, and three ground connection screw passes through the screw and connects high-pressure pencil shielding layer grounding wire, control circuit board and whole car earth connection respectively for high-pressure pencil shielding layer, control circuit board pass through the radiating block and are connected with whole car earth connection, again by whole car earth connection ground connection, this ground structure is more simple and convenient than traditional ground connection mode, and occupation space is little moreover, and can reduce cost.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a top view of the present invention.
Reference numerals:
1. an insulating housing; 11. a vertical component; 12. a transverse groove;
2. a heat dissipating block; 21. a square body; 22. an elongated corrugated body; 23. a grounding screw hole of the shielding layer; 24. a control circuit board grounding screw hole; 25. a finished automobile grounding screw hole; 26. a finished automobile grounding wire; 27. the high-voltage wire harness shielding layer is connected with the ground wire; 28. a wave-shaped groove;
3. a control circuit board; 4. sealing and blocking; 5. buckling; 6. a square boss; 7. a long convex edge; 8. an ear-shaped boss; 9. and (5) a clamping structure.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are only for the purpose of illustrating and explaining the present invention and are not to be construed as limiting the present invention.
The utility model provides a novel PTC radiating block grounding structure, as shown in figure 1-3, which is provided with a control circuit board 3, a radiating block 2 and an insulating shell 1, wherein the insulating shell 1 is provided with a vertical part 11 and a horizontal groove 12 which is integrated with the vertical part 11 and is arranged at the top of the vertical part 11, the horizontal groove 12 is in a 7-shaped structure, the control circuit board 3 is arranged in the horizontal groove 12, the radiating block 2 and the insulating shell 1 are molded into an integrated molding piece by injection molding, the radiating block 2 is divided into two parts, one part is a long corrugated body 22, the long corrugated body 22 is provided with a waveform groove 28, the waveform groove 28 is in a long strip structure and is used for radiating outwards, the corrugated structure is designed, the PTC heater can radiate heat more evenly, the radiating area is large, the radiating heat is fast, the other part is arranged on the square body 21 on the long corrugated body 22, and the length of the square body 21 is less than, the square body 21 of the radiating block 2 is embedded on the inner wall of the transverse groove 12 of the insulating shell 1, the long corrugated body 22 of the radiating block 2 is connected with the outer wall of the vertical part 11 of the insulating shell 1 in an attaching mode, and through the structure that the radiating block 2 is matched with the insulating shell 1, on one hand, the close attaching degree of the radiating block 2 and the insulating shell 1 is increased, on the other hand, the radiating area of the radiating block 2 is increased, and the radiating efficiency of the PTC heater is guaranteed.
One side of microscler ripple body 22 is equipped with control circuit board ground connection screw 24, the opposite side is equipped with whole car ground connection screw 25, be equipped with shielding layer ground connection screw 23 on the square body 21 of radiating block 2, shielding layer ground connection screw 23, mounting screw in control circuit board ground connection screw 24 and the whole car ground connection screw 25, shielding layer ground connection screw 23 on the radiating block 2, control circuit board ground connection screw 24 and with whole car ground connection screw 25 connect high-voltage wire harness shielding layer ground connection 27 respectively through the screw, control circuit board 3 and whole car ground connection 26, through set up three earthing hole on radiating block 2, lead out ground connection with three ground points in the PTC heater through the radiating block, this ground connection mode is for traditional ground connection mode, the structure is simpler, save space, and the cost is reduced.
In addition, a U-shaped groove is formed in the transverse groove wall of the insulating shell 1, the sealing plug 4 is assembled in the U-shaped groove, a high-voltage wiring harness shielding layer grounding wire 27 is arranged on the sealing plug 4, one part of the high-voltage wiring harness shielding layer grounding wire 27 is connected with a shielding layer grounding screw hole 23 in the radiating block 2, and the rest part of the high-voltage wiring harness shielding layer grounding wire passes through the sealing plug 4 and is connected with the control circuit board.
The outer peripheral wall of the transverse groove 12 of the insulating shell 1 is also provided with a buckle 5 and a long convex edge 7, so that the insulating shell can be conveniently buckled with other components, and the assembly is simpler and more convenient; the outer wall of the transverse groove 12 of the insulating shell 1 is also provided with a square boss 6 and an ear-shaped boss 8 which are elements connected with other parts. The bottom of the two sides of the vertical component 11 of the insulating shell is provided with a clamping structure 9, so that the PTC heating components can be conveniently clamped, and the PTC heating components are commercially available products.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A novel grounding structure of PTC radiating block is provided with a control circuit board, a radiating block and an insulating shell, the insulating shell is provided with a vertical component and a transverse groove which is integrated with the vertical component and is arranged at the top of the vertical component, the transverse groove is in a 7-shaped structure, a control circuit board is arranged in the transverse groove, it is characterized in that the radiating block and the insulating shell are molded into an integral molding piece by injection, the radiating block is divided into two parts, one part is a long corrugated body, the long corrugated body is provided with a wave-shaped groove, the other part of the long corrugated body is arranged on a square body on the long corrugated body, and the length of the square body is smaller than that of the long corrugated body, one side of the long corrugated body is provided with a control circuit board grounding screw hole, the other side of the long corrugated body is provided with a whole vehicle grounding screw hole, and the square body of the heat dissipation block is provided with a shielding layer grounding screw hole.
2. A novel grounding structure of PTC heat dissipation block according to claim 1, wherein the wall of the lateral groove of the insulation housing is provided with a U-shaped groove, the U-shaped groove is assembled with a sealing plug, and the sealing plug is provided with a high voltage wiring harness shielding layer for grounding.
3. The novel grounding structure of the PTC heat dissipation block according to claim 1, wherein the shielding layer grounding screw hole, the control circuit board grounding screw hole and the vehicle grounding screw hole on the heat dissipation block are respectively connected with the high-voltage wire harness shielding layer grounding wire, the control circuit board and the vehicle grounding wire through screws.
4. The novel grounding structure of the PTC heat dissipation block according to claim 1, wherein the square body of the heat dissipation block is embedded on the inner wall of the transverse groove of the insulation shell, and the long corrugated body of the heat dissipation block is attached to the outer wall of the vertical component of the insulation shell.
5. A novel grounding structure of PTC heat dissipation block according to claim 1, wherein the outer wall of the horizontal groove of the insulation housing is provided with a square boss, a long convex edge and an ear-shaped boss.
6. A novel PTC heatsink block grounding structure in accordance with claim 1, wherein the wave-shaped recess is an elongated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990203.8U CN210174574U (en) | 2019-06-27 | 2019-06-27 | Novel PTC radiating block grounding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990203.8U CN210174574U (en) | 2019-06-27 | 2019-06-27 | Novel PTC radiating block grounding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210174574U true CN210174574U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920990203.8U Active CN210174574U (en) | 2019-06-27 | 2019-06-27 | Novel PTC radiating block grounding structure |
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| CN (1) | CN210174574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230112463A (en) * | 2022-01-20 | 2023-07-27 | 케이비오토텍 주식회사 | Heater for heating coolant with waterproof structure |
-
2019
- 2019-06-27 CN CN201920990203.8U patent/CN210174574U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230112463A (en) * | 2022-01-20 | 2023-07-27 | 케이비오토텍 주식회사 | Heater for heating coolant with waterproof structure |
| KR102613331B1 (en) | 2022-01-20 | 2023-12-12 | 케이비오토텍 주식회사 | Heater for heating coolant with waterproof structure |
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Denomination of utility model: A New PTC Radiator Grounding Structure Effective date of registration: 20230203 Granted publication date: 20200324 Pledgee: Longquan Branch of China Construction Bank Co.,Ltd. Pledgor: WEIHAI KEBOLE AUTOMOTIVE ELECTRONICS CO.,LTD. Registration number: Y2023980031955 |