CN214674473U

CN214674473U - Lithium battery charging and discharging device

Info

Publication number: CN214674473U
Application number: CN202121096782.5U
Authority: CN
Inventors: 李建忠
Original assignee: Shanghai Debaishi Electric And Electronic Co ltd
Current assignee: Shanghai Debaishi Electric And Electronic Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-11-09
Anticipated expiration: 2031-05-21

Abstract

The utility model belongs to the technical field of the battery charging and discharging equipment technique and specifically relates to a lithium cell charging and discharging device is related to, which comprises an outer shell, be located the shell inner chamber and be the charge and discharge module of cuboid structure and the connecting wire that is connected with the charge and discharge module, the charge and discharge module all is equipped with a buffer structure all around, buffer structure includes elastic component and slide, elastic component one end and charge and discharge module fixed connection, the other end and slide fixed connection, the slide slides and inlays and locate on the slide rail that shell inner chamber lateral wall predetermines and make and all form a buffering space between charge and discharge module and shell inner chamber roof and the shell inner chamber diapire. The charging and discharging module can not be easily damaged due to impact.

Description

Lithium battery charging and discharging device

Technical Field

The application relates to the technical field of charging and discharging equipment, in particular to a lithium battery charging and discharging device.

Background

A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. Lithium batteries are increasingly widely used because of their advantages of high reaction efficiency, high safety, small size, etc. And because the chemical property of lithium metal is very active for the lithium cell has certain requirement to the electric quantity that the lithium cell contains in the transportation, consequently, the lithium cell usually needs to utilize lithium cell charge-discharge device to increase/reduce the electric quantity that the lithium cell contains to a definite value before the transportation to guarantee the security in the lithium cell transportation.

The conventional charging and discharging device generally includes a housing, a charging and discharging module and a connecting wire, wherein the charging and discharging module is fixedly disposed in an inner cavity of the housing, one end of the connecting wire penetrates through the housing and is connected to the charging and discharging module, and the other end of the connecting wire is connected to a lithium battery to charge/discharge the lithium battery, so as to increase/decrease electric quantity contained in the lithium battery to a certain value.

However, the charging and discharging device inevitably encounters accidents such as falling/collision with other objects in the using process, so that the charging and discharging device is easily damaged due to collision; therefore, further improvement can be made.

SUMMERY OF THE UTILITY MODEL

In order to reduce the circumstances emergence that the damage appears because of the striking in the charge-discharge module, this application provides a lithium cell charge-discharge device.

The above object of the present application is achieved by the following technical solutions:

the utility model provides a lithium battery charging and discharging device, includes the shell, is located the shell inner chamber and is the charge and discharge module of cuboid structure and the connecting wire that is connected with the charge and discharge module, the charge and discharge module all is equipped with a buffer structure all around, buffer structure includes elastic component and slide, elastic component one end and charge and discharge module fixed connection, the other end and slide fixed connection, the slide slides and inlays and locate all to form a buffering space on the slide rail that shell inner chamber lateral wall predetermines and make between charge and discharge module and shell inner chamber roof and the shell inner chamber diapire.

Through adopting above-mentioned technical scheme, when the lithium cell charge and discharge device meet when falling/when colliding with other objects etc. accident, the impact can be decomposed into horizontal impact and vertical impact, horizontal impact can make charge and discharge module rock around the shell cavity about, vertical impact can make charge and discharge module rock from top to bottom in the shell cavity, and charge and discharge module rocks the in-process from top to bottom around the shell cavity, all can receive the elasticity cushioning effect of elastic component, make charge and discharge module be difficult for appearing the condition of damage because of the striking.

Optionally, the top wall of the inner cavity of the shell and the bottom wall of the inner cavity of the shell are both fixedly provided with a buffer block.

Through adopting above-mentioned technical scheme, when vertical impact too big leads to the range that charge and discharge module rocked about in the shell cavity too big, the buffer block can form the cushioning effect to charge and discharge module, avoids charge and discharge module direct and shell cavity roof/shell inner chamber diapire to collide mutually and appear damaging.

Optionally, the top of the housing is provided with a heat dissipation hole communicated with the inner cavity of the housing.

Through adopting above-mentioned technical scheme, the produced heat of charge and discharge module work rises to shell inner chamber top and is discharged by the louvre, is favorable to improving the job stabilization nature of charge and discharge module.

Optionally, the top wall of the inner cavity of the housing is fixedly provided with a dust screen, and the dust screen is covered at the heat dissipation hole.

Through adopting above-mentioned technical scheme, the dust screen can be isolated to some dust impurity for dust impurity is difficult to get into the shell inner chamber by the louvre, thereby reduces the influence that dust impurity caused to the charge-discharge module.

Optionally, shell one side has set firmly control unit and alarm unit, the shell inner chamber is equipped with the temperature sensor who is used for real-time supervision shell inner chamber ambient temperature, be the electricity between temperature sensor output and the control unit input and between control unit output and the alarm unit input and be connected, the control unit is based on the shell inner chamber ambient temperature control alarm unit that temperature sensor perceived and opens/close.

Through adopting above-mentioned technical scheme, when the excessive fever of charge-discharge module leads to shell inner chamber ambient temperature to rise to the limit value, temperature sensor with signal transmission to the control unit in, by the control unit control alarm unit with the state switch into opening by closing to remind the excessive condition of generating heat of operator charge-discharge module.

Optionally, one end of the connecting wire, which is far away from the charging and discharging module, is fixedly provided with a movable connecting block, and one side of the shell is fixedly provided with a fixed connecting block which is magnetically matched with the movable connecting block.

Through adopting above-mentioned technical scheme, inhale the cooperation so that accomodating of connecting wire through swing joint piece and fixed connection piece looks magnetism to make charge and discharge device remove and carry more portably.

Optionally, the housing includes a housing with an upward opening and a cover, and the cover is detachably covered at the opening of the housing.

By adopting the technical scheme, when the charging and discharging module needs to break down, the cover body is removed to overhaul the charging and discharging module, so that the charging and discharging module is simpler and more convenient to overhaul.

Optionally, a handle is arranged on the top surface of the cover body.

Through adopting above-mentioned technical scheme, can mention charge-discharge device through the handle for charge-discharge device removes and carries more portably.

In summary, the present application includes at least one of the following beneficial technical effects:

when the lithium battery charging and discharging device meets accidents such as falling/collision with other objects, the impact force can be decomposed into horizontal impact force and vertical impact force, the horizontal impact force can enable the charging and discharging module to rock left and right and back and forth in the inner cavity of the shell, the vertical impact force can enable the charging and discharging module to rock up and down in the inner cavity of the shell, and the charging and discharging module can be subjected to the elastic force buffering effect of the elastic piece in the process of rocking up and down, left and right, back and forth in the inner cavity of the shell, so that the charging and discharging module is not easy to be damaged due to impact;

when the too big range that leads to charge and discharge module to rock from top to bottom in the shell inner chamber of vertical impact was too big, the buffer block can form the cushioning effect to charge and discharge module, avoids charge and discharge module direct and shell inner chamber roof/shell inner chamber diapire to collide mutually and appear damaging.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a longitudinal sectional view of an embodiment of the present application.

Fig. 3 is a transverse cross-sectional view of an embodiment of the present application.

Description of reference numerals: 1. a housing; 11. a housing; 12. a cover body; 13. a handle; 2. a charge-discharge module; 3. a connecting wire; 4. a buffer structure; 41. an elastic member; 42. a slide plate; 43. a slide rail; 5. a buffer space; 6. a buffer block; 7. heat dissipation holes; 71. a dust screen; 81. a control unit; 82. an alarm unit; 83. a temperature sensor; 91. a movable connecting block; 92. and fixing the connecting block.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a lithium battery charging and discharging device.

Referring to fig. 1 and 2, the lithium battery charging and discharging device includes a housing 1, a charging and discharging module 2 and a connecting wire 3, wherein the housing 1 and the charging and discharging module 2 are rectangular structures, the charging and discharging module 2 is disposed in an inner cavity of the housing 1, an input end of the connecting wire 3 penetrates through the housing 1, and an input end of the connecting wire 3 is connected with the charging and discharging module 2, so as to jointly form the charging and discharging device. During the use, the 3 outputs of connecting wire are connected with the lithium cell to charge/discharge to the lithium cell, make the electric quantity that the lithium cell contains increase/reduce to a definite value, in order to guarantee the security in the lithium cell transportation.

Referring to fig. 2 and 3, in this embodiment, a buffer structure 4 is disposed around the charge and discharge module 2, the buffer structure 4 is located between the charge and discharge module 2 and the sidewall of the inner cavity of the housing 1, and the buffer structure 4 can be used to form a buffer effect when the charge and discharge device is impacted, so as to implement buffer protection of the charge and discharge module 2.

Specifically, each buffer structure 4 includes an elastic element 41 and a sliding plate 42, wherein the elastic element 41 in this embodiment is a tension spring, each buffer structure 4 includes three elastic elements 41 arranged at intervals, and the three elastic elements 41 are all fixedly connected to one side of the sliding plate 42; the cross section of the sliding plate 42 is dovetail-shaped, one side of the sliding plate 42 departing from the elastic piece 41 is embedded on a sliding rail 43 preset on the side wall of the inner cavity of the shell 1 in a sliding manner, and the sliding plate 42 and the sliding rail 43 are both horizontally arranged when the charging and discharging device is normally placed on a flat plate; one end of each elastic member 41 far away from the sliding plate 42 is fixedly connected with the charge and discharge module 2, and each elastic member 41 is in a stretching state, so that a buffer space 5 is formed between the charge and discharge module 2 and the top wall of the inner cavity of the shell 1 and between the charge and discharge module 2 and the bottom wall of the inner cavity of the shell 1.

When the lithium battery charging and discharging device meets accidents such as falling/collision with other objects, the impact force can be decomposed into horizontal impact force and vertical impact force, the horizontal impact force can enable the charging and discharging module 2 to rock around the inner cavity of the shell 1, the vertical impact force can enable the charging and discharging module 2 to rock up and down the inner cavity of the shell 1, and the charging and discharging module 2 can be buffered by the elastic force of the elastic piece 41 in the process of rocking around the inner cavity of the shell 1, so that the charging and discharging module 2 is not easy to be damaged due to impact.

In this embodiment, 1 inner chamber roof of shell and 1 inner chamber diapire of shell all set firmly a plurality of buffer blocks 6 through sticky mode, and every buffer block 6 all is hemispherical structure to even interval arrangement between a plurality of buffer blocks 6. When the vertical impact force is too large, the charging and discharging module 2 shakes up and down in the inner cavity of the shell 1, the buffer block 6 can buffer the charging and discharging module 2, and the charging and discharging module 2 is prevented from directly colliding with the top wall of the inner cavity of the shell 1/the bottom wall of the inner cavity of the shell 1 and being damaged.

In this embodiment, the housing 1 includes a casing 11 and a cover 12, wherein the opening of the casing 11 is disposed upward, the cover 12 covers the opening of the casing 11, and the cover 12 is fixed to the opening of the casing 11 by a screw fastening method to form the housing 1 having a rectangular structure. When the charge-discharge module 2 needs to break down, the charge-discharge module 2 can be overhauled by removing the cover body 12, so that the charge-discharge module 2 is overhauled more conveniently.

In this embodiment, the top surface of the cap 12 is provided with a handle 13 having a U-shaped structure, and two ends of the handle 13 are hinged to hinge blocks provided on the top surface of the cap 12. The charging and discharging device can be lifted through the lifting handle 13, so that the charging and discharging device is more convenient to move and carry.

In this embodiment, the top of the housing 1 is provided with heat dissipation holes 7 communicating with the inner cavity of the housing 1, that is, the heat dissipation holes 7 are provided at the positions where the top surface of the cover 12 and the buffer block 6 are staggered. The heat generated by the work of the charge and discharge module 2 rises to the top of the inner cavity of the shell 1 and is discharged through the heat dissipation hole 7, which is beneficial to improving the work stability of the charge and discharge module 2.

In this embodiment, the top wall of the inner cavity of the housing 1 is fixedly provided with a dust screen 71 by gluing, that is, the bottom surface of the cover 12 is fixedly provided with the dust screen 71, and the dust screen 71 is covered on the heat dissipation hole 7. The dust screen 71 can isolate part of dust and impurities, so that the dust and impurities cannot easily enter the inner cavity of the shell 1 through the heat dissipation holes 7, and the influence of the dust and impurities on the charge-discharge module 2 is reduced.

In this embodiment, a control unit 81 and an alarm unit 82 are fixedly arranged on one side of the housing 1, specifically, the control unit 81 in this embodiment adopts a single chip as a main control chip, the model of the single chip is STC89C51, the alarm unit 82 in this embodiment adopts an LED indicator, a temperature sensor 83 for monitoring the ambient temperature of the inner cavity of the housing 1 in real time is fixedly arranged in the inner cavity of the housing 1, and the output end of the temperature sensor 83 is electrically connected with the input end of the control unit 81 and the output end of the control unit 81 is electrically connected with the input end of the alarm unit 82 through preset wires, so that the control unit 81 can control the alarm unit 82 to be turned on/off based on the ambient temperature of the inner cavity of the housing 1 sensed by the temperature sensor 83. When the charging and discharging module 2 generates heat excessively to cause the ambient temperature in the inner cavity of the housing 1 to rise to a limit value, the temperature sensor 83 transmits a signal to the control unit 81, and the control unit 81 controls the alarm unit 82 to switch the state from off to on so as to remind an operator of the excessive heating condition of the charging and discharging module 2.

Referring to fig. 1 and 3, in this embodiment, a movable connection block 91 is fixedly sleeved at an end of the connection line 3 away from the charge-discharge module 2, a fixed connection block 92 is fixedly arranged at one side of the housing 1, and when the connection line 3 is attached to one side of the housing 1, the movable connection block 91 is aligned with the fixed connection block 92; the movable connecting block 91 and the fixed connecting block 92 in this embodiment are permanent magnets adapted to each other by magnetic attraction. Through the cooperation of attracting mutually of movable connecting block 91 and fixed connecting block 92 so that accomodate of connecting wire 3 to it is more simple and convenient to make charge-discharge device remove and carry.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a lithium cell charge-discharge device, includes shell (1), is located shell (1) inner chamber and is charge-discharge module (2) of cuboid structure and connecting wire (3) that are connected with charge-discharge module (2), its characterized in that: all be equipped with a buffer structure (4) around charge-discharge module (2), buffer structure (4) include elastic component (41) and slide (42), elastic component (41) one end and charge-discharge module (2) fixed connection, the other end and slide (42) fixed connection, slide (42) slide to inlay and locate on slide rail (43) that shell (1) inner chamber lateral wall predetermines and make and all form a buffering space (5) between charge-discharge module (2) and shell (1) inner chamber roof and shell (1) inner chamber diapire.

2. The lithium battery charge and discharge device according to claim 1, wherein: the top wall of the inner cavity of the shell (1) and the bottom wall of the inner cavity of the shell (1) are fixedly provided with buffer blocks (6).

3. The lithium battery charge and discharge device according to claim 1, wherein: the top of the shell (1) is provided with a heat dissipation hole (7) communicated with the inner cavity of the shell (1).

4. A lithium battery charge and discharge device according to claim 3, characterized in that: the dust screen (71) is fixedly arranged on the top wall of the inner cavity of the shell (1), and the dust screen (71) is covered at the heat dissipation hole (7).

5. The lithium battery charge and discharge device according to claim 1, wherein: the utility model discloses a temperature monitoring device, including shell (1), inner chamber, temperature sensor (83), control unit (81) output and alarm unit (82), shell (1) one side sets firmly control unit (81) and alarm unit (82), the inner chamber of shell (1) is equipped with temperature sensor (83) that are used for real-time supervision shell (1) inner chamber ambient temperature, be the electricity between temperature sensor (83) output and control unit (81) input and between control unit (81) output and alarm unit (82) input and be connected, control unit (81) are opened/closed based on shell (1) inner chamber ambient temperature control alarm unit (82) of temperature sensor (83) perception.

6. The lithium battery charge and discharge device according to claim 1, wherein: the connecting wire (3) is kept away from one end of the charge-discharge module (2) and is fixedly provided with a movable connecting block (91), and one side of the shell (1) is fixedly provided with a fixed connecting block (92) which is matched with the movable connecting block (91) in a magnetic attraction manner.

7. The lithium battery charge and discharge device according to claim 1, wherein: the shell (1) comprises a shell (11) with an upward opening and a cover body (12), wherein the cover body (12) is detachably covered at the opening of the shell (11).

8. The lithium battery charge and discharge device according to claim 7, wherein: the top surface of the cover body (12) is provided with a handle (13).