CN210042581U - Brake controller heat radiation sealing structure - Google Patents
Brake controller heat radiation sealing structure Download PDFInfo
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- CN210042581U CN210042581U CN201920045045.9U CN201920045045U CN210042581U CN 210042581 U CN210042581 U CN 210042581U CN 201920045045 U CN201920045045 U CN 201920045045U CN 210042581 U CN210042581 U CN 210042581U
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- control
- brake controller
- fin group
- sealing structure
- heat dissipation
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Abstract
The utility model provides a heat dissipation sealing structure of a brake controller, which comprises a cover body, a control shell and a control assembly, wherein the control shell is internally provided with a cavity, the control assembly is arranged in the control shell, the cover body can be detachably buckled at the front end of the control shell, a bakelite plate is arranged in the control shell, the bakelite plate divides a cavity of the control shell into a working cavity and a wiring cavity, a radiating fin group is arranged at the rear end of the control shell and is formed by overlapping a plurality of radiating fins, an air channel is formed between every two adjacent radiating fins, a protective cover is arranged on the outer side of each radiating fin group, a plurality of fans are arranged on the top end of the protective cover, air outlets of the plurality of fans are opposite to the radiating fin group, cold air blown out of the fans is blown out through the air channel to take out heat on the radiating fin group, and the bakelite plate has the advantages of being fast in heat conduction, high in heat dissipation efficiency, capable of preventing hot air from flowing back.
Description
Technical Field
The utility model belongs to the technical field of pure electronic new forms of energy passenger train, concretely relates to brake controller heat radiation seal structure.
Background
In recent years, plug-in type and pure electric new energy passenger cars develop rapidly, and electric feedback braking is mainly adopted for auxiliary braking. In order to solve the technical problem, technicians in the field often adopt an energy consumption braking mode to assist braking under the action of a whole vehicle control strategy, the auxiliary braking mode takes a controller as a key core component of the whole set of system, a main heating source IGBT power module in the controller generates heat greatly due to long-time running and frequent starting and stopping, and the heat radiation performance of the controller directly influences the braking effect and the running reliability of the whole set of system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a brake controller heat radiation seal structure, the utility model discloses a mode that fan and cooling fin group combined together dispels the heat to control assembly jointly for control assembly safe and reliable's work.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a brake controller heat radiation seal structure, includes the lid, inside is provided with the control housing of cavity and sets up the control assembly in the control housing is inside, lid detachable lock is at the front end of control housing, be provided with bakelite board in the control housing, this bakelite board separates the inner chamber of control housing for working chamber and wiring chamber, and control assembly sets up the bottom inboard at the working chamber, and the top inboard of working chamber is provided with low-voltage circuit board and high-voltage circuit board, and the rear end of control housing is provided with the radiating fin group, and the radiating fin group is formed by a plurality of radiating fin stack, forms the wind channel between two adjacent radiating fin, and the outside of radiating fin group is provided with the safety cover, and the top of safety cover is provided with a plurality of fan, and the gas outlet of.
Furthermore, a plurality of cable connectors are arranged at the top of the control shell.
Furthermore, a shielding plate is arranged between the low-voltage circuit board and the high-voltage circuit board.
Furthermore, the top end of the cover body is provided with an observation port, and a cover plate is detachably arranged at the observation port.
Furthermore, be provided with a plurality of bolt hole on the apron, the lid is provided with the waterproof nut of a plurality of and a plurality of bolt hole one-to-one around the viewing aperture.
Furthermore, one side of the control shell is provided with a waterproof ventilation valve.
Compared with the prior art, the beneficial effects of the utility model are that: the rear end of the control shell of the utility model is provided with a radiating fin group which primarily radiates the heat of the control shell, the radiating fin group is formed by overlapping a plurality of radiating fins, an air channel is formed between two adjacent radiating fins, the outer side of the radiating fin group is provided with a protective cover, the top end of the protective cover is provided with a plurality of fans, the air outlets of the plurality of fans are all right opposite to the radiating fin group, cold air blown out from the fans is blown out through the air channel to bring out the heat on the radiating fin group, and the utility model has the advantages of fast heat conduction, high radiating efficiency, hot air backflow prevention and the like, meanwhile, the inner cavity of the control shell of the utility model is divided into a wiring cavity and a working cavity by the bakelite plate, which ensures that the functional modules can not interfere with each other, so that the heating power component can work stably, and a shielding plate is arranged between the high-voltage circuit board and the low-voltage circuit board for shielding and isolating, so that the safety protection performance is enhanced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the present invention after the cover is detached;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a bottom view of FIG. 1;
FIG. 5 is a schematic view of the structure of the cover;
the labels in the figure are: 1. the cover body, 2, the control casing, 3, the control assembly, 4, bakelite board, 5, working chamber, 6, wiring chamber, 7, low-voltage circuit board, 8, high-voltage circuit board, 9, heat radiation fins, 10, wind channel, 11, safety cover, 12, fan, 13, cable joint, 14, shielding plate, 15, viewing aperture, 16, apron, 17, waterproof ventilation valve, 18, bolt hole, 19, waterproof nut.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings in the present invention to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, rather than all embodiments, based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, a heat dissipation sealing structure of a brake controller comprises a cover body 1, a control shell 2 with a cavity inside and a control assembly 3 arranged inside the control shell 2, wherein the cover body 1 is detachably fastened at the front end of the control shell 2, a bakelite plate 4 is arranged inside the control shell 2, the cross section of the bakelite plate 4 is in an L shape, the bakelite plate 4 divides an inner cavity of the control shell 2 into a working cavity 5 and a wiring cavity 6, the control assembly 3 is arranged at the inner side of the bottom of the working cavity 5, a low-voltage circuit board 7 and a high-voltage circuit board 8 are arranged at the inner side of the top of the working cavity 5, as shown in fig. 3 and 4, a heat dissipation fin group is arranged at the rear end of the control shell 2, the heat dissipation fin group is formed by overlapping a plurality of heat dissipation fins 9, an air duct 10 is formed between two, the top of safety cover 11 is provided with a plurality of fan 12, and the gas outlet of a plurality of fan 12 is all just to the cooling fin group, and the cold air that the fan blew off passes through cooling fin 9 through the wind channel, flows from the bottom at last, and this kind of heat radiation structure has heat conduction fast, the radiating efficiency is high, prevent characteristics such as hot-blast backward flow, guarantees the heat dispersion of the power heating piece that working chamber 5 inside set up, prevents IGBT module and aluminum hull resistance thermal breakdown.
The utility model discloses well control housing 2's top is provided with a plurality of cable joint 13, and this cable joint 13 adopts high protection level IP68 metal cable plug, corresponds to open on lid 1 and the control housing 2 to have and is used for the card to establish the recess of sealing washer, through sealing washer interference fit and paint sealed glue, has realized the omniseal, satisfies protection level IP67 requirement.
The scheme is further optimized, because the control shell 2 is required to have a compact internal structure and high space utilization rate, the electronic hardware part, particularly the control protection circuit part, has high requirement on the anti-interference capability, the IGBT, the aluminum shell resistor, the safety resistor and the contactor need to be placed in the same plane in consideration of the wiring mode and safety protection, in order to save space and consider the creepage gap of high voltage electricity, the high-voltage circuit board 8 and the low-voltage circuit board 7 are installed in a stacked mode, and two copper studs are used for supporting below the high-voltage circuit board 8; the low-voltage circuit board 7 and the high-voltage circuit board 8 are shielded and isolated through the shielding plate 14, and the safety protection performance is enhanced.
Further optimizing the solution, as shown in fig. 5, a viewing port 15 is opened at the top end of the cover body 1, and a cover plate 16 is detachably disposed at the viewing port 15, where it should be noted that, in order to show the structure of the cover body 1 more clearly, the cover body 1 in fig. 5 is placed upside down; the cover plate 16 is provided with a plurality of bolt holes 18, the cover body 1 is provided with a plurality of waterproof nuts 19 corresponding to the bolt holes 18 one by one around the observation port 15, the cover plate 16 is connected with the cover body 1 through a plurality of bolts, and each bolt penetrates through one bolt hole and then is in threaded connection with the waterproof nuts 19 so as to realize detachable connection.
The utility model discloses well control assembly 3's service environment as follows: the temperature of the working environment is-40-65 ℃, the highest temperature in the working cavity is 100 ℃, and the storage humidity at 25 ℃ is less than 100%; the working altitude is less than or equal to 2000m, after the control assembly 3 is sealed in the control shell 2, the change of internal pressure caused by the temperature change is considered, so that the condensation phenomenon is caused, and water is accumulated in the control shell 2, and in order to solve the problem, a waterproof ventilation valve 17 is arranged on one side of the control shell 2, so that the stress of a sealed cavity in the control shell 2 is reduced through balanced pressure.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a brake controller heat radiation seal structure, includes lid (1), inside control casing (2) that are provided with the cavity and sets up in the inside control assembly (3) of control casing (2), lid (1) detachable lock is at the front end of control casing (2), its characterized in that: be provided with bakelite board (4) in control casing (2), this bakelite board (4) are separated the inner chamber of control casing (2) for working chamber (5) and wiring chamber (6), control assembly (3) set up the bottom inboard in working chamber (5), the top inboard of working chamber (5) is provided with low-voltage circuit board (7) and high-voltage circuit board (8), the rear end of control casing (2) is provided with the cooling fin group, the cooling fin group is formed by a plurality of cooling fin (9) stack, form wind channel (10) between two adjacent cooling fin (9), the outside of cooling fin group is provided with safety cover (11), the top of safety cover (11) is provided with a plurality of fan (12), the gas outlet of a plurality of fan (12) is all just to the cooling fin group.
2. The heat dissipation and sealing structure of a brake controller according to claim 1, wherein: the top of the control shell (2) is provided with a plurality of cable connectors (13).
3. The heat dissipation and sealing structure of a brake controller according to claim 1, wherein: and a shielding plate (14) is arranged between the low-voltage circuit board (7) and the high-voltage circuit board (8).
4. The heat dissipation and sealing structure of a brake controller according to claim 1, wherein: the top end of the cover body (1) is provided with an observation port (15) and a cover plate (16) is detachably arranged at the observation port (15).
5. The heat dissipation and sealing structure of a brake controller according to claim 4, wherein: the cover plate (16) is provided with a plurality of bolt holes (18), and the cover body (1) is provided with a plurality of waterproof nuts (19) which are in one-to-one correspondence with the bolt holes (18) on the periphery of the observation opening (15).
6. The heat dissipation and sealing structure of a brake controller according to claim 1, wherein: one side of the control shell (2) is provided with a waterproof ventilation valve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920045045.9U CN210042581U (en) | 2019-01-11 | 2019-01-11 | Brake controller heat radiation sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920045045.9U CN210042581U (en) | 2019-01-11 | 2019-01-11 | Brake controller heat radiation sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210042581U true CN210042581U (en) | 2020-02-07 |
Family
ID=69351841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920045045.9U Active CN210042581U (en) | 2019-01-11 | 2019-01-11 | Brake controller heat radiation sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210042581U (en) |
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2019
- 2019-01-11 CN CN201920045045.9U patent/CN210042581U/en active Active
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