CN214100938U - Pre-charging device integrated with PTC controller - Google Patents
Pre-charging device integrated with PTC controller Download PDFInfo
- Publication number
- CN214100938U CN214100938U CN202120085959.5U CN202120085959U CN214100938U CN 214100938 U CN214100938 U CN 214100938U CN 202120085959 U CN202120085959 U CN 202120085959U CN 214100938 U CN214100938 U CN 214100938U
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- ptc controller
- clamping
- fixedly connected
- grooves
- clamp plate
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Abstract
The utility model relates to a precharge technical field, especially a precharge device of integration PTC controller, including device case and top cap, a plurality of mounts of diapire fixedly connected with of device case, it is a plurality of the through-hole has all been seted up to the inner wall of mount, one side of device case surface is provided with the installation section of thick bamboo, a plurality of cardboards of the top surface fixedly connected with of device case, it is a plurality of the inside of through-hole all rotates and is connected with the clamp plate, and is a plurality of one side of clamp plate all is provided with the maintenance bolt. The utility model has the advantages that: through a plurality of mounts of device case diapire fixed connection, rotate in the inside of mount and be connected with the clamp plate, wherein be provided with the maintenance bolt in one side of clamp plate, during the use, place PTC controller part in the below of clamp plate opposite side, use the maintenance bolt with clamp plate jack-up for the clamp plate can be fixed the position of PTC controller part, and convenient to use person dismantles the part, accords with the custom of in-service use.
Description
Technical Field
The utility model relates to a precharge technical field, especially a precharge device of integration PTC controller.
Background
In a high-voltage battery power supply system, high-voltage electric equipment is connected in parallel to a high-voltage direct-current bus, and a bus capacitor is usually arranged in the electric equipment. In the high-voltage electrifying process, if reliable pre-charging processing is not carried out on the high-voltage electrifying process, the high voltage of the bus is directly applied to the bus capacitor of the load at the moment of electrifying, and larger impact current is generated in a bus loop. The current will cause the high voltage contactor to be stuck, the fuse to burn out, the battery to be over-discharged and other consequences. At present, in a heat management system in the electric automobile industry, a PTC electric heater is generally adopted as a heating device, and a control circuit, a power supply circuit and the like are inevitably involved between a PTC controller and a finished automobile. In order to control a heating system, a special pre-charging device is mainly arranged in a high-voltage system in the industry at present, and a PTC heater with a controller is adopted.
The precharge device used at present has the following disadvantages in the practical use process:
the inside space of whole device is less, uses the bolt directly to fix the PTC controller, is not convenient for install and dismantle the PTC controller, is not convenient for use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide an integrate pre-charging device of PTC controller, effectively solved prior art's not enough.
The purpose of the utility model is realized through the following technical scheme: a pre-charging device integrated with a PTC controller comprises a device box and a top cover;
the bottom wall of the device box is fixedly connected with a plurality of fixing frames, through holes are formed in the inner walls of the fixing frames, an installation cylinder is arranged on one side of the outer surface of the device box, and a plurality of clamping plates are fixedly connected to the top surface of the device box;
pressing plates are rotatably connected inside the through holes, retaining bolts are arranged on one sides of the pressing plates, the bottom surfaces of the retaining bolts are attached to the bottom wall of the device box, and PTC controller parts are arranged among the bottom surfaces on the other sides of the pressing plates;
the inner side of the inner wall of the mounting cylinder is fixedly connected with absorbent cotton, and the outer side of the inner wall of the mounting cylinder is fixedly connected with a fan;
a plurality of clamping grooves are formed in the two sides of the bottom surface of the top cover, a plurality of through grooves are formed in the outer sides of the clamping grooves, the positions of the clamping grooves correspond to the positions of the clamping plates respectively, and the clamping plates are connected with the clamping grooves in a clamped mode respectively.
Optionally, it is a plurality of the bottom surface of clamp plate all laminates with the top surface of PTC controller part flange mutually, and is a plurality of the maintenance bolt is equallyd divide and is do not had a plurality of clamp plate threaded connection, during the use, places PTC controller part in the below of clamp plate opposite side, uses the maintenance bolt with clamp plate jack-up for the clamp plate can be fixed the position of PTC controller part, and convenient to use person dismantles the part.
Optionally, the size of the fan is matched with the size of the inner wall of the mounting cylinder, and the fan is fixedly connected with the mounting cylinder through a bolt.
Optionally, the positions of the plurality of through grooves correspond to the positions of the plurality of clamping grooves respectively, the width of each through groove is not greater than the width of each clamping groove, the through grooves are arranged, a user can conveniently detach the clamping plates, and the whole device is reasonable in structure.
Optionally, the shape and size of a plurality of the cardboard respectively with the shape and size looks adaptation of a plurality of draw-in grooves, a plurality of the cardboard all through welded mode with the top surface fixed connection of device case.
Optionally, the thickness of the top cover is greater than the height of the clamping groove, and the bottom surface of the top cover is attached to the top surface of the device box.
The utility model has the advantages of it is following:
1. this pre-charging device of integration PTC controller through a plurality of mounts of device case diapire fixed connection, rotates in the inside of mount and is connected with the clamp plate, wherein is provided with the maintenance bolt in one side of clamp plate, during the use, places PTC controller part in the below of clamp plate opposite side, uses the maintenance bolt with clamp plate jack-up for the clamp plate can be fixed the position of PTC controller part, and convenient to use person dismantles the part, accords with the habit of in-service use.
2. This pre-charging device of integration PTC controller, through a plurality of cardboards of top surface fixedly connected with at the device case, be provided with a plurality of draw-in grooves simultaneously in the bottom surface of top cap, wherein be provided with logical groove in the outside of draw-in groove, during the use, a plurality of cardboards and a plurality of draw-in grooves looks joint, make the rigidity effect of whole top cap better, and the setting that leads to the groove, the person of facilitating the use dismantles the cardboard, the rational in infrastructure of whole device, thereby the problem of whole device installation and dismantlement not convenient for has been solved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;
fig. 4 is a schematic view of the internal structure of the present invention;
FIG. 5 is a schematic structural view of the device case of the present invention;
fig. 6 is a schematic sectional view of the top cover of the present invention.
In the figure: 1-device box, 2-top cover, 3-fan, 4-PTC controller component, 5-pressing plate, 6-retention bolt, 7-fixing frame, 8-through hole, 9-clamping plate, 10-mounting cylinder, 11-clamping groove, 12-through groove and 13-absorbent cotton.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1 to 6, a pre-charging device integrated with a PTC controller includes a device case 1 and a top cover 2;
the bottom wall of the device box 1 is fixedly connected with a plurality of fixing frames 7, through holes 8 are formed in the inner walls of the fixing frames 7, an installation cylinder 10 is arranged on one side of the outer surface of the device box 1, and a plurality of clamping plates 9 are fixedly connected to the top surface of the device box 1;
the pressing plates 5 are rotatably connected inside the through holes 8, the retention bolts 6 are arranged on one sides of the pressing plates 5, the bottom surfaces of the retention bolts 6 are attached to the bottom wall of the device box 1, and the PTC controller parts 4 are arranged between the bottom surfaces of the other sides of the pressing plates 5;
the inner side of the inner wall of the mounting cylinder 10 is fixedly connected with the absorbent cotton 13, the outer side of the inner wall of the mounting cylinder 10 is fixedly connected with the fan 3, and the fan 3 is used, so that the heat dissipation effect in the whole device is good;
a plurality of draw-in grooves 11 have all been seted up to the both sides of 2 bottom surfaces of top cap, logical groove 12 has all been seted up in the outside of a plurality of draw-in grooves 11, the position of a plurality of draw-in grooves 11 is corresponding with the position of a plurality of cardboard 9 respectively, a plurality of cardboard 9 respectively with a plurality of draw-in grooves 11 looks joint, make the fixed in position effect of whole top cap 2 better, wherein the use of top cap 2 can seal device case 1, make the whole that whole device becomes better, satisfy the custom of in-service use.
As an optional technical solution of the utility model:
the bottom surfaces of the pressing plates 5 are attached to the top surfaces of the flanges of the PTC controller parts 4, the fixing bolts 6 are in threaded connection with the pressing plates 5 respectively, and lever structures are formed among the pressing plates 5, the fixing bolts 6 and the PTC controller parts 4, so that the PTC controller parts 4 of different sizes can be fixed conveniently.
As an optional technical solution of the utility model:
As an optional technical solution of the utility model:
the positions of the through grooves 12 correspond to the positions of the card slots 11, respectively, and the widths of the through grooves 12 are not larger than the widths of the card slots 11.
As an optional technical solution of the utility model:
the shape and the size of a plurality of cardboard 9 respectively with the shape and the size looks adaptation of a plurality of draw-in grooves 11, a plurality of cardboard 9 all through welded mode and device case 1's top surface fixed connection, during the use, a plurality of cardboard 9 and a plurality of draw-in grooves 11 looks joint for the fixed effect in position of whole top cap 2 is better.
As an optional technical solution of the utility model:
the thickness of top cap 2 is greater than the height of draw-in groove 11, and the bottom surface of top cap 2 laminates with the top surface of device case 1 mutually, and wherein top cap 2's use can seal device case 1 for the whole that whole device becomes is better, satisfies the habit of in-service use.
The working process of the utility model is as follows: when the device box is used by a user, the bottom wall of the device box 1 is fixedly connected with a plurality of fixing frames 7, the fixing frames 7 are rotatably connected with a pressing plate 5, wherein one side of the pressing plate 5 is provided with a retention bolt 6, when the device box is used, the PTC controller part 4 is placed below the other side of the pressing plate 5, the pressing plate 5 is jacked up by the retention bolt 6, so that the pressing plate 5 can fix the position of the PTC controller part 4, the part is convenient to disassemble by the user, the practical use habit is met, a plurality of clamping plates 9 are fixedly connected with the top surface of the device box 1, meanwhile, the bottom surface of the top cover 2 is provided with a plurality of clamping grooves 11, wherein the outside of the clamping grooves 11 is provided with through grooves 12, when the device box is used, the plurality of clamping plates 9 are clamped with the plurality of clamping grooves 11, so that the position fixing effect of the whole top cover 2 is better, and the through grooves 12 are arranged, the user can conveniently disassemble the clamping plates 9, the whole device is reasonable in structure, so that the problem that the whole device is inconvenient to mount and dismount is solved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A pre-charge device incorporating a PTC controller, comprising: comprises a device box (1) and a top cover (2); the bottom wall of the device box (1) is fixedly connected with a plurality of fixing frames (7), through holes (8) are formed in the inner walls of the fixing frames (7), an installation cylinder (10) is arranged on one side of the outer surface of the device box (1), and a plurality of clamping plates (9) are fixedly connected to the top surface of the device box (1);
the pressing plates (5) are rotatably connected inside the through holes (8), the fixing bolts (6) are arranged on one sides of the pressing plates (5), the bottom surfaces of the fixing bolts (6) are attached to the bottom wall of the device box (1), and PTC controller parts (4) are arranged between the bottom surfaces of the other sides of the pressing plates (5); the inner side of the inner wall of the mounting cylinder (10) is fixedly connected with water absorption cotton (13), and the outer side of the inner wall of the mounting cylinder (10) is fixedly connected with a fan (3);
a plurality of clamping grooves (11) are formed in the two sides of the bottom surface of the top cover (2), a plurality of through grooves (12) are formed in the outer sides of the clamping grooves (11), the positions of the clamping grooves (11) correspond to the positions of a plurality of clamping plates (9), and the clamping plates (9) are connected with the clamping grooves (11) in a clamped mode.
2. A pre-charge device incorporating a PTC controller according to claim 1, wherein: the bottom surfaces of the pressing plates (5) are attached to the top surfaces of the flanges of the PTC controller component (4), and the retention bolts (6) are in threaded connection with the pressing plates (5) respectively.
3. A pre-charge device incorporating a PTC controller according to claim 1, wherein: the size of fan (3) and the size looks adaptation of installation section of thick bamboo (10) inner wall, fan (3) pass through bolt and installation section of thick bamboo (10) fixed connection.
4. A pre-charge device incorporating a PTC controller according to claim 1, wherein: the positions of the through grooves (12) correspond to the positions of the clamping grooves (11), and the width of each through groove (12) is not larger than that of each clamping groove (11).
5. A pre-charge device incorporating a PTC controller according to claim 1, wherein: the clamping plates (9) are matched with the clamping grooves (11) in shape and size, and the clamping plates (9) are fixedly connected with the top surface of the device box (1) in a welding mode.
6. A pre-charge device incorporating a PTC controller according to claim 1, wherein: the thickness of top cap (2) is greater than the height of draw-in groove (11), the bottom surface of top cap (2) is laminated with the top surface of device case (1) mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120085959.5U CN214100938U (en) | 2021-01-13 | 2021-01-13 | Pre-charging device integrated with PTC controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120085959.5U CN214100938U (en) | 2021-01-13 | 2021-01-13 | Pre-charging device integrated with PTC controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214100938U true CN214100938U (en) | 2021-08-31 |
Family
ID=77438511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120085959.5U Expired - Fee Related CN214100938U (en) | 2021-01-13 | 2021-01-13 | Pre-charging device integrated with PTC controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214100938U (en) |
-
2021
- 2021-01-13 CN CN202120085959.5U patent/CN214100938U/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: 20210831 Termination date: 20220113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |