CN210120755U - Be used for lithium cell circuit board protection device - Google Patents
Be used for lithium cell circuit board protection device Download PDFInfo
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- CN210120755U CN210120755U CN201920400621.7U CN201920400621U CN210120755U CN 210120755 U CN210120755 U CN 210120755U CN 201920400621 U CN201920400621 U CN 201920400621U CN 210120755 U CN210120755 U CN 210120755U
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- circuit board
- board box
- motor
- box
- protection device
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Abstract
The utility model discloses a circuit board protection device for a lithium battery, which belongs to the technical field of lithium batteries and comprises a battery box, wherein a lithium battery is arranged in the battery box, a circuit board box is arranged above the battery box, the circuit board box is fixedly connected with the battery box, a box cover is arranged at one side of the circuit board box, a motor is arranged at the bottom of the circuit board box through a fixing frame, a fan blade is arranged at one end of a motor driving shaft, the utility model is provided with a motor, a ventilation net, a ventilation hole and a heat dissipation hole, the motor is arranged below the circuit board, when a temperature sensor detects that the temperature in the circuit board box is overhigh, the motor is started to drive the fan blade, external air enters the circuit board box through the ventilation net under the rotation of the fan blade, then enters the element surface of the circuit board through the ventilation hole, and finally is discharged through the heat, the problem that the circuit board is difficult to radiate is solved.
Description
Technical Field
The utility model belongs to the technical field of the lithium cell, concretely relates to be used for lithium battery circuit board protection device.
Background
The lithium battery is a battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, and the lithium metal has very high requirements on the environment due to the very active chemical characteristics of the lithium metal, so that the lithium battery becomes a mainstream at present along with the development of scientific technology.
At present lithium cell usually can install in same protection device with the circuit board, and this type of circuit board protection device all is inclosed box, with circuit board fixed mounting in this type of protection box, not only is difficult to dismantle or install, and the radiating effect is poor moreover.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be used for lithium cell circuit board protection device to it is difficult to the heat dissipation and the difficult problem of installing or dismantling of circuit board to solve to provide the circuit board among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a circuit board protection device for a lithium battery comprises a battery box, wherein a lithium battery is installed inside the battery box, a circuit board box is installed above the battery box and fixedly connected with the battery box, a box cover is installed on one side of the circuit board box, a screw hole is formed in one side of the box cover, a screw groove is formed in the position, close to the screw hole, of the circuit board box, a motor is installed at the bottom of the circuit board box, fixing frames are installed on two sides of the motor, fan blades are installed at one end of a motor driving shaft, a temperature sensor is installed on one side of the motor, a controller is installed on one side of the temperature sensor, two limiting plates are symmetrically installed above the circuit board box, close to the fan blades, the limiting plates are fixedly connected with the circuit board box, an inserting groove which is integrally formed with the limiting plates is formed in one side of each, the motor and the temperature sensor are both electrically connected with the controller.
Preferably, the circuit board box is close to the both sides of motor and is installed the ventilation net, the ventilation net is circular structure.
Preferably, the supporting plate is installed below the circuit board, the springs are installed at two ends of the supporting plate 9, the supporting column is installed at one end of each spring, and the supporting column is fixedly connected with the bottom of the circuit board box.
Preferably, the positions of the supporting plate close to the circuit board are provided with vent holes at equal intervals, and the positions of the circuit board box and the box cover close to the circuit board are provided with heat dissipation holes.
Preferably, the top end of the vertical part of the slot is excessive by a circular arc chamfer to form a circular arc part.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses set up motor, ventilation net, ventilation hole and louvre, installed the motor in the below of circuit board, when temperature sensor detected the inside high temperature of circuit board box, the starter motor drove the flabellum, and outside air gets into inside the circuit board box by the ventilation net under the rotation of flabellum, gets into the component face of circuit board by the ventilation hole again, discharges by the louvre at last, takes away the heat that the circuit board produced, has solved the circuit board and has been difficult to radiating problem.
(2) The utility model discloses set up slot, backup pad and spring, installed the limiting plate at the inside symmetry of circuit board box, one side of limiting plate is provided with the slot, is provided with the support column in the below of limiting plate, and the support column passes through spring and backup pad fixed connection, when installation or dismantlement circuit board, only needs to insert the circuit board or extract the slot, and the backup pad is under the compression of spring, and the activity laminating circuit board, the supporting circuit board of being convenient for has solved the problem that the circuit board is difficult to install or dismantle.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an external view of the present invention;
fig. 3 is a side view of the present invention;
fig. 4 is a schematic structural view of an adjusting knob of the present invention;
FIG. 5 is an enlarged view of the point A of the present invention;
in the figure: 1-battery box, 2-lithium battery, 3-circuit board box, 4-ventilation net, 5-support column, 6-spring, 7-limit board, 8-slot, 9-support board, 10-ventilation hole, 11-circuit board, 12-motor, 13-fan blade, 14-fixing frame, 15-temperature sensor, 16-controller, 17-heat dissipation hole, 18-box cover, 19-arc part, 20-screw groove and 21-screw hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a circuit board protection device for a lithium battery comprises a battery box 1, a lithium battery 2 is installed inside the battery box 1, a circuit board box 3 is installed above the battery box 1, the circuit board box 3 is fixedly connected with the battery box 1, a box cover 18 is installed on one side of the circuit board box 3, a screw hole 21 is formed in one side of the box cover 18, a screw groove 20 is formed in the position, close to the screw hole 21, of the circuit board box 3, a motor 12 is installed at the bottom of the circuit board box 3, the motor 12 adopts a 180SH model small motor, fixing frames 14 are installed on two sides of the motor 12, a fan blade 13 is installed at one end of a driving shaft of the motor 12, a temperature sensor 14 is installed on one side of the motor 12, the temperature sensor 14 adopts a WRN316T model temperature sensor, a controller 15 is installed on one side of the temperature sensor 14, the controller 15 adopts an AHC15A model controller, two limiting plates, limiting plate 7 and circuit board box 3 fixed connection, one side of limiting plate 7 is provided with the slot 8 with limiting plate 7 integrated into one piece, and the internally mounted of slot 8 has circuit board 11, and motor 12 and temperature sensor 14 all are connected with controller 15 electric connection.
In order to facilitate ventilation, in this example, the circuit board box 3 is preferably provided with ventilation nets 4 at two sides close to the motor 12, and the ventilation nets 4 are of a circular structure.
In order to support the circuit board 11, in this example, preferably, a support plate 9 is installed below the circuit board 11, springs 6 are installed at two ends of the support plate 9, a support pillar 5 is installed at one end of each spring 6, and the support pillar 5 is fixedly connected with the bottom of the circuit board box 3.
In order to facilitate heat dissipation, in this example, it is preferable that the positions of the supporting plate 9 near the circuit board 11 are provided with the ventilation holes 10 at equal intervals, and the positions of the circuit board case 3 and the case cover 18 near the circuit board 11 are provided with the heat dissipation holes 17.
To facilitate insertion of the circuit board 11, in this example, it is preferable that the top end of the vertical portion of the insertion groove 8 is chamfered in a circular arc to form a circular arc portion 19.
The utility model discloses a theory of operation and use flow: when the device is used, the lithium battery 2 in the battery box 1 supplies power to the circuit board 11 in the circuit board box 3, limiting plates 7 are symmetrically arranged in the circuit board box 3, a slot 8 is arranged at one side of each limiting plate 7, a supporting column 5 is arranged below the limiting plate 7, the supporting column 5 is fixedly connected with a supporting plate 9 through a spring 6, when the circuit board 11 is mounted or dismounted, the circuit board 11 is only required to be inserted into or pulled out of the slot 8, the supporting plate 9 is movably attached to the circuit board 9 under the compression of the spring 6, the circuit board 9 is convenient to support, when the temperature sensor 14 detects that the temperature inside the circuit board box 3 is too high, the controller 15 starts the motor 12 to drive the fan blades 13, and the outside air enters the circuit board box 3 from the ventilation net 4 under the rotation of the fan blades 13, enters the element surface of the circuit board 11 from the ventilation holes 10, and is finally discharged from the heat dissipation holes 16 to take away the heat generated by the circuit board 11.
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 (5)
1. The utility model provides a be used for lithium cell circuit board protection device, includes battery case (1), the internally mounted of battery case (1) has lithium cell (2), and circuit board box (3) are installed to the top of battery case (1), circuit board box (3) and battery case (1) fixed connection, and one side of circuit board box (3) installs lid (18), one side of lid (18) is provided with screw hole (21), the position that circuit board box (3) are close to screw hole (21) is provided with screw groove (20), its characterized in that: motor (12) are installed to the bottom of circuit board box (3), mount (14) are all installed to the both sides of motor (12), and the one end of motor (12) drive shaft installs flabellum (13), temperature sensor (15) are installed to one side of motor (12), controller (16) are installed to one side of temperature sensor (15), two limiting plates (7) are installed to the top symmetry that circuit board box (3) are close to flabellum (13), limiting plate (7) and circuit board box (3) fixed connection, one side of limiting plate (7) is provided with slot (8) with limiting plate (7) integrated into one piece, the internally mounted of slot (8) has circuit board (11), motor (12) and temperature sensor (15) all with controller (16) electric connection.
2. The protection device for the lithium battery circuit board as claimed in claim 1, wherein: the circuit board box (3) is close to the both sides of motor (12) and installs ventilation net (4), ventilation net (4) are circular structure.
3. The protection device for the lithium battery circuit board as claimed in claim 1, wherein: backup pad (9) are installed to the below of circuit board (11), spring (6) are installed at the both ends of backup pad (9), support column (5) are installed to the one end of spring (6), the bottom fixed connection of support column (5) and circuit board box (3).
4. A circuit board protection device for a lithium battery as claimed in claim 3, wherein: the position that backup pad (9) are close to circuit board (11) is equidistant to be provided with ventilation hole (10), the position that circuit board box (3) and lid (18) are close to circuit board (11) all is provided with louvre (17).
5. The protection device for the lithium battery circuit board as claimed in claim 1, wherein: the top end of the vertical part of the slot (8) is excessive by a circular arc chamfer to form a circular arc part (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920400621.7U CN210120755U (en) | 2019-03-27 | 2019-03-27 | Be used for lithium cell circuit board protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920400621.7U CN210120755U (en) | 2019-03-27 | 2019-03-27 | Be used for lithium cell circuit board protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210120755U true CN210120755U (en) | 2020-02-28 |
Family
ID=69612258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920400621.7U Active CN210120755U (en) | 2019-03-27 | 2019-03-27 | Be used for lithium cell circuit board protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210120755U (en) |
-
2019
- 2019-03-27 CN CN201920400621.7U patent/CN210120755U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200413 Address after: 835000 E Factory Building of Huining Road 999 Small and Medium-sized Enterprise Business Incubation Park, Holgos Economic Development Zone, Yili Kazakh Autonomous Prefecture, Xinjiang Uygur Autonomous Region (1st floor and interlayer) Patentee after: Xinjiang SMEI new energy Co., Ltd. Address before: 610000 No. 276 Gangbei Third Road, North District of Chengdu Modern Industrial Port, Pixian County, Chengdu City, Sichuan Province Patentee before: SICHUAN OUO TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |