CN221009031U - Vehicle-mounted battery charging and discharging power supply structure - Google Patents
Vehicle-mounted battery charging and discharging power supply structure Download PDFInfo
- Publication number
- CN221009031U CN221009031U CN202322440928.9U CN202322440928U CN221009031U CN 221009031 U CN221009031 U CN 221009031U CN 202322440928 U CN202322440928 U CN 202322440928U CN 221009031 U CN221009031 U CN 221009031U
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- power supply
- circuit board
- heat dissipation
- vehicle
- power
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- 238000007599 discharging Methods 0.000 title claims abstract description 18
- 230000017525 heat dissipation Effects 0.000 claims abstract description 60
- 238000003466 welding Methods 0.000 claims description 14
- 230000005855 radiation Effects 0.000 claims 3
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a vehicle-mounted battery charging and discharging power supply structure which comprises a heat dissipation structure and at least one power supply detachably connected to the upper end and the lower end of the heat dissipation structure, wherein the power supplies are distributed in an array mode in the longitudinal direction and the transverse direction, one side of each power supply is provided with an opening, a circuit board is arranged in each power supply, one end of each circuit board extends out of the opening of each power supply, and at least one side, close to the heat dissipation structure, of each circuit board is provided with a heat dissipation device. The gaps among the power supplies distributed in the array are smaller, the density is high, and the occupied space is small. Each power supply is an independent control module, the power supply can be required to be detached or replaced, the number of the power supplies can be expanded, and the expandability is high.
Description
Technical Field
The utility model relates to the field of vehicle-mounted battery charge and discharge control, in particular to a vehicle-mounted battery charge and discharge power supply structure.
Background
The battery is widely applied to the market as an important energy storage device, and due to the production process, the voltage and the energy storage capacity of a single battery are low, and a plurality of batteries are generally combined into a battery pack or a battery pack in a serial-parallel connection mode for use, so that the requirements of masses on energy storage and voltage are met. In general, each battery corresponds to a power supply, and the power supply outputs the battery for charging and discharging according to the voltage condition of the battery so as to ensure the voltage stability of each battery. Because the detected power sources are more, a plurality of power sources are piled up to occupy a certain space, and particularly, when the vehicle-mounted battery is detected, the space of the vehicle is limited, so that a certain requirement is provided for the space occupation problem of the power sources.
In the prior art, the power supply is arranged in a mode that a plurality of power supplies are concentrated on one control substrate in a module mode, but when a certain control power supply on the substrate is damaged, the whole substrate is required to be taken down to repair the damaged power supply, so that the repair difficulty of the power supply is increased, and the power supply is inconvenient to disassemble and assemble.
Disclosure of utility model
The utility model provides a vehicle-mounted battery charging and discharging power supply structure for overcoming the defects in the prior art.
In order to achieve the above purpose, the utility model provides a vehicle-mounted battery charging and discharging power supply structure, which comprises a heat dissipation structure and at least one power supply detachably connected to the upper end and the lower end of the heat dissipation structure, wherein the power supply is distributed in an array manner in the longitudinal direction and the transverse direction, one side of the power supply is provided with an opening, a circuit board is arranged in the power supply, one end of the circuit board extends out of the opening of the power supply, and one side, close to the heat dissipation structure, of the circuit board is provided with at least one heat dissipation device.
Preferably, the circuit board is fixedly connected to the inner wall of the power supply, and the heat dissipation device is plate-shaped and perpendicular to the surface of the circuit board and is fixedly connected to the edge of the circuit board, which is close to the heat dissipation structure.
Preferably, the heat dissipation device is a MOS transistor.
Preferably, the side provided with the opening between the adjacent power supplies which are distributed transversely is arranged oppositely.
Preferably, the number of power sources distributed laterally is two.
Preferably, a fixing plate is arranged at the opening of the power supply and is fixedly connected with the power supply.
Preferably, a plurality of welding pins which are vertically fixed on the fixed plate are arranged on the fixed plate at positions close to the circuit board in the power supply, and the welding pins are fixedly connected with the extending part of the circuit board.
Preferably, the power supply is provided with a plurality of heat dissipation holes.
The vehicle-mounted battery charging and discharging power supply structure has the beneficial effects that the vehicle-mounted battery charging and discharging power supply structure comprises the heat dissipation structure and at least one power supply which is distributed in an array mode in the longitudinal direction and the transverse direction on the heat dissipation structure, gaps among the power supplies distributed in the array mode are small, the density of the power supplies is improved, and the occupied space when the power supplies are installed in a concentrated mode is reduced. In addition, each power supply is an independent control module, so that the abnormal power supply can be replaced and maintained without being limited by other power supplies under the condition that the vehicle-mounted battery charging and discharging power supply structure is not detached, the maintenance time is shortened, and the installation is convenient. Meanwhile, the number of power supplies can be increased or reduced automatically according to the requirements, and the expandability is high. In addition, one side of each power supply is provided with an opening, one side, close to the opening, of the circuit board arranged in the power supply extends out of the opening, one side, close to the heat dissipation structure, of the circuit board is provided with at least one heat dissipation device, and heat generated by the circuit board in the power supply is conducted to the heat dissipation structure through the heat dissipation device and is diffused outwards, so that the reliability of the power supply is improved. The adjacent power supplies which are distributed transversely are oppositely arranged on one side with the opening, a fixing plate is arranged at the opening of each power supply, a plurality of welding pins are arranged on the fixing plate and close to the position of each power supply, the welding pins are connected with the extending parts of the circuit board in the power supplies, each power supply is connected with each other through the fixing plate, the connecting path is shortened, meanwhile, the connecting wire harness between the power supplies is reduced, and the production cost is reduced.
Drawings
FIG. 1 is a block diagram of a vehicle-mounted battery charging and discharging power supply structure provided by the utility model;
FIG. 2 is a block diagram of a connection between a vehicle-mounted battery charge-discharge power supply structure and a fixed plate;
Fig. 3 is an exploded view of a power supply in a vehicle-mounted battery charging and discharging power supply structure according to the present utility model.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
It should be noted that, the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of each component in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.
All directional indications (such as up, down, left, right, front, back, lateral, longitudinal … …) in embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular gesture, and if the particular gesture changes, the directional indication changes accordingly.
As shown in fig. 1 to 2, the vehicle-mounted battery charging and discharging power supply structure provided by the utility model comprises a heat dissipation structure 1 and at least one power supply 2 detachably connected to the upper end and the lower end of the heat dissipation structure 1, wherein the power supplies 2 are distributed in an array manner in the longitudinal direction and the transverse direction. The direction in which the power sources 2 are arranged in the X direction in fig. 1 is the transverse direction, and the direction in which the power sources 2 are arranged in the Y direction in fig. 1 is the longitudinal direction. One side of the power supply 2 is provided with an opening, a circuit board 3 is arranged in the power supply 2, one end of the circuit board 3 extends out of the opening of the power supply 2, and one side of the circuit board 3, which is close to the heat dissipation structure 1, is provided with a heat dissipation device 4.
In this embodiment, the power source 2 is a box-shaped structure with an opening at one side, the upper and lower ends of the heat dissipation structure 1 are distributed in an array along the longitudinal and transverse directions, and a certain gap is formed between adjacent power sources 2 distributed in an array, and the gap is smaller; when the power supply 2 is arranged on the heat dissipation structure 1 in an array mode, occupied space of the power supply 2 is reduced, and the compactness is high. In addition, each power supply 2 is an independent control module, the power supplies 2 are mutually independent, and each power supply 2 is detached and installed at will. Therefore, when one of the power supplies 2 is abnormal, a serviceman can replace and repair the abnormal power supply 2 without disassembling the whole structure of the battery charging and discharging power supply, thereby shortening the repair time for the abnormal power supply 2. In this embodiment, since the power supply 2 is an independent battery charge/discharge control module, the number of matched power supplies 2 can be adjusted according to the number of vehicle-mounted battery packs, and the expandability is high.
In this embodiment, the circuit board 3 in the power supply 2 is fixedly connected with the inner wall of the power supply 2 and is perpendicular to the surface of the heat dissipation structure 1. The side of the circuit board 3, which is close to the opening of the power supply 2, extends out of the power supply 2, and at least one heat dissipation device 4 is arranged at the edge of the circuit board 3, which is close to the heat dissipation structure 1, wherein the heat dissipation device 4 is preferably a MOS tube, and the heat dissipation device 4 can also be other devices with heat dissipation functions. The heat sink 4 is plate-shaped perpendicular to the surface direction of the wiring board 3, and is fixed to the wiring board 3 in the form of soldering. When the circuit board 3 is controlling the charge and discharge of the vehicle-mounted battery, the heat generated by the circuit board 3 is radiated outward by the heat radiating device 4. In order to ensure rapid heat dissipation of the circuit board 3, the heat dissipation device 4 is close to the heat dissipation structure 1, so that heat of the heat dissipation device 4 is conducted to the heat dissipation structure 1, and the reliability of the power supply 2 is improved.
In this embodiment, the side with the opening between the adjacent power sources 2 distributed laterally at the upper and lower ends of the heat dissipation structure 1 is disposed opposite to each other. Preferably, the number of the power supplies 2 distributed transversely is two, and the power supplies 2 at the upper end and the lower end of the heat dissipation structure 1 are arranged in a mirror image mode by taking the middle position of the heat dissipation structure 2 as the center. The parts of the circuit boards 3 of the two power supplies 2 which are transversely distributed, which extend out of the power supplies 2, are mutually close to each other and are intensively arranged at the middle part of the surface of the heat dissipation structure 1, so that the power supplies 2 which are transversely distributed are connected with each other, and the connection path between the power supplies 2 is shortened. In addition, a fixing plate 5 is provided at the opening of the power supply 2. The fixing plate 5 is perpendicular to the heat dissipation structure 1, and is fixedly connected to the power sources 2 at the upper and lower ends of the heat dissipation structure 1, wherein the fixing plate 5 is disposed in the Y direction of the two oppositely disposed power sources 2. It should be noted that, one fixing plate 5 is correspondingly connected to four power sources 2, i.e. the power sources 2 at the upper and lower ends of the heat dissipation mechanism 1, as shown in fig. 2.
As shown in fig. 2, a plurality of welding pins 6 perpendicular to the fixing plate 5 are arranged on the fixing plate 5 at positions close to the circuit board 3 in the power supply 2, the part of the circuit board 3 extending out of the power supply 2 is fixedly connected with the welding pins 6, and the circuit boards 3 at the upper end and the lower end of the heat dissipation structure 1 are fixedly connected with the fixing plate 5 through the welding pins 6. The fixing plates 5 are made of conductive materials, and the circuit boards 3 at the upper end and the lower end of the heat dissipation structure 1 are electrically connected through the fixing plates 5, so that the stability of each circuit board 3 can be improved. Meanwhile, the mode of connecting the wire harnesses in the prior art is replaced by the fixing plate 5, so that the connecting path of the power supplies 2 at the upper end and the lower end of the heat dissipation structure 1 is shortened, connecting wire harnesses are saved, the installation is convenient, and the production cost is saved. In addition, when the welding pin 6 is connected with the circuit board 3, the welding pin is fixedly connected with the edge part of the circuit board 3 in a welding mode, so that the stability between the circuit board 3 and the fixed plate 5 and the accuracy of electric signal transmission are improved, and the reliability of the power supply 2 is further improved.
In this embodiment, the power supply 2 is provided with a plurality of heat dissipation holes 7. Specifically, as shown in fig. 3, in the view of the figure, the power supply 2 includes an upper cover 21 and a bottom cover 22, and the upper cover 21 has a plurality of heat dissipation holes 7, and the circuit board 3 in the power supply 2 can dissipate heat through the heat dissipation holes 7 in addition to the heat dissipation device 4. In addition, the upper cover 21 and the bottom cover 22 of the power supply 2 are made of heat-conducting metal materials, and heat generated by the circuit board 3 can be dissipated through the upper cover 21 and the bottom cover 22, so that the heat dissipation speed of the power supply 2 is improved.
In summary, the vehicle-mounted battery charging and discharging power supply structure provided by the utility model comprises the heat dissipation structure and at least one power supply distributed in an array manner in the longitudinal direction and the transverse direction on the heat dissipation structure, and gaps among the power supplies distributed in the array manner are smaller, so that the power supply density is improved, and the occupied space when the power supplies are intensively installed is reduced. In addition, each power supply is an independent control module, so that the abnormal power supply can be replaced and maintained without being limited by other power supplies under the condition that the vehicle-mounted battery charging and discharging power supply structure is not detached, the maintenance time is shortened, and the installation is convenient. Meanwhile, the number of power supplies can be increased or reduced automatically according to the requirements, and the expandability is high. In addition, one side of each power supply is provided with an opening, one side, close to the opening, of the circuit board arranged in the power supply extends out of the opening, one side, close to the heat dissipation structure, of the circuit board is provided with at least one heat dissipation device, and heat generated by the circuit board in the power supply is conducted to the heat dissipation structure through the heat dissipation device and is diffused outwards, so that the reliability of the power supply is improved. The adjacent power supplies which are distributed transversely are oppositely arranged on one side with the opening, a fixing plate is arranged at the opening of each power supply, a plurality of welding pins are arranged on the fixing plate and close to the position of each power supply, the welding pins are connected with the extending parts of the circuit board in the power supplies, each power supply is connected with each other through the fixing plate, the connecting path is shortened, meanwhile, the connecting wire harness between the power supplies is reduced, and the production cost is reduced.
Although the utility model has been described with reference to the preferred embodiments, it should be understood that the utility model is not limited thereto, but rather may be modified and varied by those skilled in the art without departing from the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a vehicle battery charge-discharge power supply structure, its characterized in that includes heat radiation structure and detachable connection in the at least one power of heat radiation structure upper and lower both ends, the power is in vertical and horizontal direction upper array distribution, one side of power has the opening, be equipped with the circuit board in the power, the one end of circuit board stretches out from the opening part of power, and one side that the circuit board is close to heat radiation structure is equipped with at least one radiator.
2. The vehicle-mounted battery charging and discharging power supply structure according to claim 1, wherein the circuit board is fixedly connected to the inner wall of the power supply, and the heat dissipation device is plate-shaped and perpendicular to the surface of the circuit board and is fixedly connected to the edge of the circuit board, which is close to the heat dissipation structure.
3. The vehicle-mounted battery charge-discharge power supply structure according to claim 2, wherein the heat dissipation device is a MOS tube.
4. The vehicle-mounted battery charge-discharge power supply structure according to claim 1, wherein the sides provided with the openings between the adjacent power supplies distributed laterally are arranged opposite to each other.
5. The vehicle-mounted battery charge-discharge power supply structure according to claim 4, wherein the number of the power supplies distributed laterally is two.
6. The vehicle-mounted battery charging and discharging power supply structure according to claim 5, wherein a fixing plate is arranged at the opening of the power supply, and the fixing plate is fixedly connected with the power supply.
7. The structure of claim 6, wherein a plurality of welding pins are vertically fixed on the fixing plate at positions on the fixing plate near the circuit board in the power supply, and the welding pins are fixedly connected with the extending part of the circuit board.
8. The vehicle-mounted battery charging and discharging power supply structure according to claim 6, wherein the power supply is provided with a plurality of heat dissipation holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322440928.9U CN221009031U (en) | 2023-09-08 | 2023-09-08 | Vehicle-mounted battery charging and discharging power supply structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322440928.9U CN221009031U (en) | 2023-09-08 | 2023-09-08 | Vehicle-mounted battery charging and discharging power supply structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221009031U true CN221009031U (en) | 2024-05-24 |
Family
ID=91114645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322440928.9U Active CN221009031U (en) | 2023-09-08 | 2023-09-08 | Vehicle-mounted battery charging and discharging power supply structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221009031U (en) |
-
2023
- 2023-09-08 CN CN202322440928.9U patent/CN221009031U/en active Active
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