CN216958186U

CN216958186U - Power battery charging protection device

Info

Publication number: CN216958186U
Application number: CN202220073105.XU
Authority: CN
Inventors: 李晓伟
Original assignee: Guangzhou Hongyuan Technology Co ltd
Current assignee: Guangzhou Hongyuan Technology Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-07-12
Anticipated expiration: 2032-01-12

Abstract

The utility model discloses a power battery charging protection device which comprises a protective shell, wherein a battery body is arranged in the protective shell, a charging socket is fixedly arranged at the upper end of the outer wall of one side of the protective shell, the charging socket is electrically connected with the battery body through a wire, a charging plug matched with the charging socket is inserted in the charging socket, a vertical block is fixedly connected with the outer wall of the top of the charging plug, a supporting block is fixedly connected with the left end of the outer wall of the top of the protective shell, an electric push rod is fixedly connected with the outer wall of one side, close to the charging socket, of the supporting block, one end of a piston rod of the electric push rod is fixedly connected with a push block, and the push block corresponds to the vertical block in position. When the temperature of the battery is detected to be higher than the set value, the PLC controller drives the electric push rod to extend, so that the charging plug is separated from the charging socket to complete power failure, and meanwhile, the alarm sounds to remind people in time, so that the occurrence of accidents is greatly reduced.

Description

Power battery charging protection device

Technical Field

The utility model relates to the technical field of power batteries, in particular to a power battery charging protection device.

Background

The power battery is a main power source of the pure electric vehicle, and the performance of the battery determines the maximum driving range of the electric vehicle. In the using process, the performance and the use of the battery are directly influenced by each charging and discharging process of the battery. The cost of the battery is a considerable proportion of the overall cost of the automobile, so that the battery of the electric vehicle needs to be effectively protected.

In the charging process of the power battery, the battery can generate heat, if the temperature of the battery continuously rises, the possibility of spontaneous combustion of the battery is indicated, at the moment, if the power can not be timely cut off, namely, a charging plug and a charging socket can not be timely separated, the unpredictable situation can occur, and therefore, the power battery charging protection device is provided.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a power battery charging protection device to solve the problems set forth in the background art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a power battery charging protection device comprises a protective shell, a battery body is arranged in the protective shell, the upper end of the outer wall of one side of the protective shell is fixedly provided with a charging socket which is electrically connected with the battery body through a lead, a charging plug matched with the charging socket is inserted into the charging socket, a vertical block is fixedly connected with the outer wall of the top of the charging plug, the left end of the outer wall of the top of the protective shell is fixedly connected with a supporting block, the outer wall of one side of the supporting block, which is close to the charging socket, is fixedly connected with an electric push rod, one end of a piston rod of the electric push rod is fixedly connected with a push block, the position of the push block corresponds to that of the vertical block, the protection shell is characterized in that an alarm is fixedly arranged at the upper end of the outer wall of the other side of the protection shell, a temperature sensor is fixedly arranged at the upper end of the inner wall of the other side of the protection shell, and the alarm, the temperature sensor and the electric push rod are electrically connected through a PLC.

As a further improvement scheme of the technical scheme: the bottom inner wall middle part of protective housing is fixed and is provided with the spacing groove, battery body joint is in spacing inslot portion.

As a further improvement scheme of the technical scheme: the middle parts of the outer walls of the two sides of the protective shell are provided with radiating holes distributed equidistantly.

As a further improvement scheme of the technical scheme: the top outer wall middle part fixedly connected with of protective housing rather than the solid fixed cylinder of intercommunication, the inside of solid fixed cylinder is fixed and is provided with the fan.

As a further improvement scheme of the technical scheme: the battery pack is characterized in that mounting holes are formed in two sides of the outer wall of the top of the protective shell, a screw rod is connected to the inner wall of each mounting hole through threads, an L-shaped clamping plate is connected to the bottom end of the screw rod through a bearing, and the L-shaped clamping plate is matched with the edge of the top end of the battery body.

As a further improvement scheme of the technical scheme: the top outer wall of L shape cardboard and the common fixedly connected with telescopic link between the top inner wall of protective housing, it is spacing to L shape cardboard.

As a further improvement scheme of the technical scheme: the equal fixedly connected with symmetric distribution's of both sides outer wall lower extreme of protective housing fixed ear, the top of fixed ear is provided with the screw hole.

As a further improvement scheme of the technical scheme: an opening is formed in the outer wall of one side of the protective shell, and a cover plate is connected to the opening through a screw.

Compared with the prior art, the utility model has the beneficial effects that:

1. this be used for power battery protection device that charges through being provided with temperature sensor, when detecting that battery temperature is greater than the setting value, the PLC controller will drive the electric putter extension, promotes the riser through the ejector pad, makes charging plug break away from charging socket, accomplishes the outage, and the siren sounds simultaneously, in time reminds people, makes the emergence greatly reduced of unexpected condition.

2. This be used for power battery protection device that charges through being provided with the screw rod, rotates the screw rod and makes L shape cardboard move down, and then makes it press from both sides tight fixedly to battery body, convenient dismantlement and installation like this.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

fig. 1 is a schematic diagram of an overall structure of a power battery charging protection device according to the present invention;

fig. 2 is an enlarged schematic structural diagram of a power battery charging protection device according to the present invention at a position a;

fig. 3 is a schematic diagram of a structure of a limiting groove of the charging protection device for a power battery according to the present invention;

fig. 4 is a schematic front view of a power battery charging protection device according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a protective shell; 2. a cover plate; 3. fixing the ear; 4. heat dissipation holes; 5. a screw; 6. a fixed cylinder; 7. a fan; 8. a charging plug; 9. a vertical block; 10. a push block; 11. an electric push rod; 12. a charging jack; 13. an alarm; 14. a battery body; 15. a limiting groove; 16. an L-shaped clamping plate; 17. a telescopic rod; 18. a temperature sensor.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model. The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, in an embodiment of the present invention, a power battery charging protection device includes a protection casing 1, a battery body 14 is disposed inside the protection casing 1, a charging socket 12 is fixedly disposed at an upper end of an outer wall of one side of the protection casing 1, the charging socket 12 is electrically connected to the battery body 14 through a wire, a charging plug 8 adapted to the charging socket 12 is inserted into the charging socket 12, a vertical block 9 is fixedly connected to an outer wall of a top portion of the charging plug 8, a supporting block is fixedly connected to a left end of the outer wall of the top portion of the protection casing 1, an electric push rod 11 is fixedly connected to the outer wall of one side of the supporting block, which is close to the charging socket 12, a push block 10 is fixedly connected to one end of a piston rod of the electric push rod 11, the push block 10 corresponds to the vertical block 9, an alarm 13 is fixedly disposed at an upper end of an outer wall of the other side of the protection casing 1, a temperature sensor 18 is fixedly disposed at an upper end of an inner wall of the other side of the protection casing 1, siren 13, temperature sensor 18 and electric putter 11 pass through PLC controller electric connection, and when detecting that battery temperature is greater than the setting value, the PLC controller will drive electric putter 11 extension, promotes riser 9 through ejector pad 10, makes charging plug 8 break away from charging socket 12, accomplishes the outage, and siren 13 sounds simultaneously, in time reminds people, makes the emergence greatly reduced of unexpected condition.

In the utility model, a limiting groove 15 is fixedly arranged in the middle of the inner wall of the bottom of the protective shell 1, the battery body 14 is clamped in the limiting groove 15, and the battery is placed in the limiting groove 15 to complete limiting.

In the utility model, the middle parts of the outer walls of the two sides of the protective shell 1 are respectively provided with the radiating holes 4 distributed at equal intervals for ventilation and radiation.

In the utility model, the middle part of the outer wall of the top part of the protective shell 1 is fixedly connected with the fixed cylinder 6 communicated with the fixed cylinder, the fan 7 is fixedly arranged inside the fixed cylinder 6, and the fan 7 is started, so that the ventilation and heat dissipation effects can be improved.

According to the battery protection shell, the two sides of the outer wall of the top of the protection shell 1 are provided with the mounting holes, the inner wall of each mounting hole is connected with the corresponding screw 5 through threads, the bottom end of each screw 5 is connected with the corresponding L-shaped clamping plate 16 through a bearing, the L-shaped clamping plates 16 are matched with the edges and corners of the top end of the battery body 14, the L-shaped clamping plates 16 move downwards by rotating the screws 5, the edges and corners of the top end of the battery body 14 are clamped, and the battery body 14 is clamped and fixed, so that the battery protection shell is convenient to detach and install.

In the utility model, the telescopic rod 17 is fixedly connected between the top outer wall of the L-shaped clamping plate 16 and the top inner wall of the protective shell 1 together, and is used for limiting the L-shaped clamping plate 16 and increasing the stability of the L-shaped clamping plate 16.

According to the utility model, the lower ends of the outer walls of the two sides of the protective shell 1 are fixedly connected with the symmetrically distributed fixing lugs 3, and the top of each fixing lug 3 is provided with a threaded hole, so that the installation is convenient.

According to the utility model, an opening is formed in the outer wall of one side of the protective shell 1, and the opening is connected with the cover plate 2 through a screw, so that the protective shell is convenient to disassemble.

The working principle of the utility model is as follows:

install the suitable position on the car through fixed ear 3 to protective housing 1, when needs charge, insert charging plug 8 in charging socket 12, fan 7 and louvre 4 can ventilate the heat dissipation to the battery, when temperature sensor 18 detected the battery temperature and is greater than the setting value, the PLC controller will drive electric putter 11 extension, promote riser 9 through ejector pad 10, make charging plug 8 break away from charging socket 12, accomplish the outage, siren 13 sounds simultaneously, in time remind people, make the emergence greatly reduced of unexpected condition.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A power battery charging protection device comprises a protective shell (1) and is characterized in that a battery body (14) is arranged inside the protective shell (1), a charging socket (12) is fixedly arranged at the upper end of the outer wall of one side of the protective shell (1), the charging socket (12) is electrically connected with the battery body (14) through a lead, a charging plug (8) matched with the charging socket (12) is inserted into the charging socket (12), a vertical block (9) is fixedly connected with the outer wall of the top of the charging plug (8), a supporting block is fixedly connected to the left end of the outer wall of the top of the protective shell (1), an electric push rod (11) is fixedly connected to the outer wall of one side of the supporting block, which is close to the charging socket (12), a push block (10) is fixedly connected to one end of a piston rod of the electric push rod (11), and the push block (10) corresponds to the vertical block (9), the protection shell is characterized in that an alarm (13) is fixedly arranged at the upper end of the outer wall of the other side of the protection shell (1), a temperature sensor (18) is fixedly arranged at the upper end of the inner wall of the other side of the protection shell (1), and the alarm (13), the temperature sensor (18) and the electric push rod (11) are electrically connected through a PLC.

2. The power battery charging protection device according to claim 1, wherein a limiting groove (15) is fixedly arranged in the middle of the inner wall of the bottom of the protective shell (1), and the battery body (14) is clamped in the limiting groove (15).

3. The power battery charging protection device according to claim 1, wherein the middle parts of the outer walls of the two sides of the protection shell (1) are provided with heat dissipation holes (4) distributed at equal intervals.

4. The power battery charging protection device according to claim 3, wherein a fixed cylinder (6) communicated with the protective shell (1) is fixedly connected to the middle of the outer wall of the top of the protective shell, and a fan (7) is fixedly arranged inside the fixed cylinder (6).

5. The power battery charging protection device according to claim 1, wherein mounting holes are formed in two sides of the outer wall of the top of the protective shell (1), a screw (5) is connected to the inner wall of each mounting hole through a thread, an L-shaped clamping plate (16) is connected to the bottom end of each screw (5) through a bearing, and the L-shaped clamping plates (16) are matched with the corners of the top end of the battery body (14).

6. A power battery charging protection device according to claim 5, characterized in that a telescopic rod (17) is fixedly connected between the top outer wall of the L-shaped clamping plate (16) and the top inner wall of the protective shell (1) to limit the L-shaped clamping plate (16).

7. The power battery charging protection device according to claim 1, wherein the lower ends of the outer walls of two sides of the protection shell (1) are fixedly connected with symmetrically distributed fixing lugs (3), and the tops of the fixing lugs (3) are provided with threaded holes.

8. A power battery charging protection device according to claim 1, wherein an opening is arranged on the outer wall of one side of the protection casing (1), and a cover plate (2) is connected to the opening through a screw.