CN219842534U - Power battery charging test device - Google Patents

Abstract

The utility model provides a power battery charging testing device, which relates to the technical field of battery manufacturing and comprises a box body, wherein the box body comprises a first cavity, a second cavity and a baffle plate, a quick charging module and a first circuit breaker are arranged in the first cavity, and a first female seat is arranged on the outer side wall of one end, far away from the first circuit breaker, of the first cavity; be provided with slow charge module and second circuit breaker in the second cavity, the lateral wall that the one end of second circuit breaker was kept away from to the second cavity is provided with the female seat of second, and the box outside is provided with the junction box that is used for being connected with first circuit breaker and second circuit breaker electricity, still includes the display screen. The utility model has simple structure, effectively simulates the use state of the power battery after leaving the factory, effectively performs effective simulation test on the fast charge and slow charge protocols and the charge efficiency of the power battery, avoids the condition that the power battery cannot be charged after being loaded, can effectively shorten the debugging period of the power battery and saves the development cost of the power battery.

Description

Power battery charging test device

Technical Field

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

Background

The battery is used as an energy storage device and is widely applied to mobile phones, computers, automobiles and energy storage power stations. At present, new energy electric vehicles are rapidly developed, and power batteries are used as main energy sources of the electric vehicles, so that the development and design of the power batteries are more and more.

However, the charging mode of the power battery is mainly based on the fast charging and slow charging piles on the market for energy supplementing charging, and the performance test of the power battery, especially the test of charging performance, is very lack now, so that the device and the method for detecting the performance of the power battery are more and more paid attention to now, for example, the utility model patent CN109474048A of China provides a device for detecting the charging and performance of the power battery with negative pressure, which comprises a first isolation transformer, a first reactor, a first AC/DC converter, a direct current bus, n DC/DC bidirectional converters, n duplex output switches and a battery pack, and also comprises a second isolation transformer, a second reactor, a second AC/DC converter, a negative pressure power supply control switch and n negative pressure power supply input switches. Said invented equipment is stable and reliable, easy to operate, and can be used in the fields of charging and discharging of various power batteries and detection.

However, the above-mentioned detection device still has the following disadvantages: at present most PACK power battery package is before shipment and does not carry out effectual verification to BMS's fast and slow charge agreement and charging efficiency, leads to partial power battery package shipment after appear with fill the electric pile and can't match, the unable normal condition of charging in the host computer factory, especially the sample power battery package of research and development, lead to earlier stage debugging time to be prolonged, increased enterprise manpower, material resources cost in intangible.

Therefore, in order to solve the above-mentioned problems, it is necessary to design a reasonably efficient power battery charging test device.

Disclosure of Invention

The utility model aims to provide a power battery charging test device which is simple in structure, effectively simulates the use state of a power battery after leaving a factory, effectively performs effective simulation test on the fast charging and slow charging protocols and the charging efficiency of the power battery, avoids the condition that the power battery cannot be charged after being loaded, can effectively shorten the debugging period of the power battery, and saves the development cost of the power battery.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the power battery charging testing device comprises a box body, wherein the box body comprises a first cavity, a second cavity and a baffle plate for separating the first cavity and the second cavity, a quick charging module and a first disconnecting switch electrically connected with the quick charging module are arranged in the first cavity, and a first female seat is arranged on the outer side wall of one end, far away from the first disconnecting switch, of the first cavity; the device comprises a first cavity, a first disconnecting switch, a second disconnecting switch, a first main seat, a second main seat, a first box and a second box, wherein the first cavity is internally provided with a slow charging module and the first disconnecting switch is electrically connected with the first disconnecting switch;

the power battery charging test device further comprises a display screen which is electrically connected with the fast charging module and the slow charging module.

Preferably, the box body is provided with a box cover, and the display screen is arranged on one side of the box cover away from the box body.

Preferably, a functional power supply is arranged on one side of the box cover, which is close to the box body, and the first female seat and the second female seat are electrically connected with the functional power supply.

Preferably, a converter is further disposed in the second cavity, and the slow charging module is electrically connected with the second mother seat through the converter.

Preferably, the converter is an ac-dc converter.

Preferably, the first female seat and the second female seat are both positioned on the same side of the box body, and the junction box is positioned on one side of the box body away from the first female seat.

As a preferable mode of the utility model, a first emergency stop button for electrically connecting with the first disconnecting switch is arranged on the outer side wall of one side of the first cavity away from the second cavity; the outer side wall of one side of the second cavity, which is far away from the first cavity, is provided with a second scram button which is used for being electrically connected with the second circuit breaker.

As a preferred aspect of the present utility model, the first base includes a first charging connection base and a first communication connection base; the second female seat comprises a second charging connecting seat and a second communication connecting seat.

Preferably, the first communication connection base is disposed at a side of the first charging connection base, which is close to the second female base, and the second communication connection base is disposed at a side of the second charging connection base, which is close to the first female base.

Preferably, the case body and the case cover are insulating members.

The power battery charging test device has the beneficial effects that: the power battery testing device has the advantages that the structure is simple, the use state of the power battery after leaving the factory is effectively simulated, the power battery is effectively simulated and tested in a fast charging protocol, a slow charging protocol and charging efficiency, the situation that the power battery cannot be charged after being loaded is avoided, the debugging period of the power battery can be effectively shortened, and the development cost of the power battery is saved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model. In the drawings, like reference numerals are used to identify like elements. The drawings, which are included in the description, illustrate some, but not all embodiments of the utility model. Other figures can be derived from these figures by one of ordinary skill in the art without undue effort.

FIG. 1 is a schematic top view of the overall structure (without the cover) of an embodiment of a power battery charging test device according to the present utility model;

FIG. 2 is a schematic top view of the overall structure (with a cover) of an embodiment of a power battery charging test device according to the present utility model;

FIG. 3 is a schematic bottom view of a cover of a power battery charging test device according to an embodiment of the present utility model;

in the figure: 1. quick charging module, 11, first circuit breaker, 12, first female seat, 121, first connecting seat that charges, 122, first communication connecting seat, 2, slow charging module, 21, second circuit breaker, 22, second female seat, 221, second connecting seat that charges, 222, second communication connecting seat, 23, converter, 3, box, 31, first cavity, 311, first scram button, 32, second cavity, 321, second scram button, 33, baffle, 34, junction box, 4, case lid, 41, display screen, 42, functional power supply.

Detailed Description

The following are specific examples of the present utility model, and the technical solutions of the present utility model are further described, but the present utility model is not limited to these examples.

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the modules and steps set forth in these embodiments and the steps do not limit the scope of the present utility model unless specifically stated otherwise.

Meanwhile, it should be understood that the flow in the drawings is not merely performed alone, but a plurality of steps are performed to cross each other for convenience of description.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the present utility model product, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and systems known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, should be considered part of the specification.

Embodiment one: as shown in fig. 1 to 3, which are only one embodiment of the present utility model, a power battery charging test device includes a case 3, where the case 3 includes a first cavity 31, a second cavity 32, and a barrier 33 for separating the first cavity 31 and the second cavity 32, a fast charging module 1 and a first disconnection switch 11 electrically connected to the fast charging module 1 are disposed in the first cavity 31, and a first socket 12 is disposed on an outer side wall of the first cavity 31 away from one end of the first disconnection switch 11; a slow charging module 2 and a second disconnecting switch 21 electrically connected with the slow charging module 2 are arranged in the second cavity 32, a second female seat 22 is arranged on the outer side wall of one end, far away from the second disconnecting switch 21, of the second cavity 32, and a junction box 34 for electrically connecting the first disconnecting switch 11 and the second disconnecting switch 21 is arranged on the outer side of the box 3;

in the present utility model, the case 3 is a structural part of the whole charging test device, the inside of the case 3 is divided into two spaces by the barrier 33, the fast charging test part and the slow charging test part are respectively placed, when the connecting wire of the power battery is connected to the fast charging test part, the (BMS) fast charging protocol and the charging efficiency of the battery can be verified, and when the connecting wire of the power battery is connected to the slow charging test part, the (BMS) slow charging protocol and the charging efficiency of the battery can be verified, and the whole case 3 can be displaced, and a large number of power batteries can be charged and tested.

Firstly, the structure of the box body 3 is that a baffle plate 33 is arranged in the box body 3 to separate the box body 3 to form a first cavity 31 and a second cavity 32, a quick-charging test component is arranged in the first cavity 31, a slow-charging test component is arranged in the second cavity 32, and the volume of the second cavity 32 is not smaller than that of the first cavity 31.

Of course, if the installation of the tank 3 and the quick and slow charging members is to be made convenient, the volumes of the first chamber 31 and the second chamber 32 may be set to be the same, that is, the barrier 33 is provided in the middle of the tank 3 to divide the tank 3 into two.

The quick-charging test component arranged in the first cavity 31 comprises a quick-charging module 1 and a first circuit breaker switch 11 electrically connected with the quick-charging module 1, wherein the quick-charging module is a connecting piece provided with a BMS quick-charging protocol; the outer side wall of one end of the first cavity 31, which is far away from the first circuit breaker 11, is provided with a first female seat 12, the quick charging module 1 is electrically connected with the first female seat 12, the first female seat 12 is used for being connected with a high-voltage connecting wire of the power battery, and the first circuit breaker 11 is used for being connected with 220V mains supply; when the first cut-off switch 11 is opened, 220V mains supply charges the power battery through the quick charge module 1 and the first socket 12.

In addition, the slow charging test component arranged in the second cavity 32 comprises a slow charging module 2 and a second circuit breaker 21 electrically connected with the slow charging module 2, and the slow charging module is a connecting piece provided with a BMS slow charging protocol; the outer side wall of the second cavity 32, which is far away from one end of the second disconnecting switch 21, is provided with a second female seat 22, the slow charging module 2 is electrically connected with the second female seat 22, the second female seat 22 is used for being connected with a high-voltage connecting wire of the power battery, and the second disconnecting switch 21 is used for being connected with 220V mains supply; when the second cut-off switch 21 is opened, 220V mains supply charges the power battery slowly through the slow charging module 2 and the second socket 22.

It should be noted that, a junction box 34 for electrically connecting with the first breaker 11 and the second breaker 21 is disposed outside the box 3; in practice, the first breaking switch 11 and the second breaking switch 21 are both connected to the 220V mains supply through the junction box 34.

Finally, the power battery charging test device further comprises a display screen 41 electrically connected with the fast charging module 1 and the slow charging module 2, when the fast charging module 1 and the slow charging module 2 charge the power battery, charging data are fed back to the display screen 41, the display screen 41 is an LED display screen, the charging data comprise charging current, voltage, highest monomer voltage, lowest monomer voltage, highest monomer temperature, lowest monomer temperature, SOC and other information, the information is displayed on the LED display screen, and the actual output power of the fast charging module 1 (or the slow charging module 2) is used for judging whether the charging data meet the test requirements.

That is, the fast charging module 1 and the slow charging module 2 are provided with a ammeter, a voltmeter, a thermometer and an SOC controller, and the ammeter, the voltmeter, the thermometer and the SOC controller are all electrically connected with the LED display screen, and when the fast charging module 1 or the slow charging module 2 starts to work, the information such as the charging current, the charging voltage, the highest monomer voltage, the lowest monomer voltage, the highest monomer temperature, the lowest monomer temperature, the SOC is obtained through the ammeter, the voltmeter, the thermometer and the SOC controller, and is sent to the display screen 41 for displaying.

Also, the first female seat 12 and the second female seat 22 are both located on the same side of the box 3, and the junction box 34 is located on a side of the box 3 away from the first female seat 12; generally, the first female socket 12 and the second female socket 22 are disposed on a side of the housing 3 away from the utility/distribution box 34, and the first disconnecting switch 11 and the second disconnecting switch 21 are disposed on an inner side of the housing 3 near the utility/distribution box 34.

The power battery charging testing device is simple in structure, effectively simulates the use state of the power battery after leaving the factory, effectively performs effective simulation test on the fast charging and slow charging protocols and the charging efficiency of the power battery, avoids the condition that the power battery cannot be charged after being loaded, can effectively shorten the debugging period of the power battery, and saves the development cost of the power battery.

Embodiment two: as shown in fig. 1 to 3, which are only one embodiment of the present utility model, in the power battery charging test device according to the first embodiment of the present utility model, the case 3 is provided with a case cover 4, and the display screen 41 is disposed on a side of the case cover 4 away from the case 3; the case lid 4 is used for sealing the case body 3, in practice, the case lid 4 is clamped with the case body 3, but one end of the side wall of the case body 3, which is close to the case lid 4, is provided with a sealing gasket, so that the quick-charging and slow-charging parts in the case body 3 are sealed and are not damaged by external influences.

The second cavity 32 is further provided with a converter 23, and the slow charging module 2 is electrically connected with the second female base 22 through the converter 23; that is, when the second breaking switch 21 is turned on, 220V commercial power charges the power battery slowly through the slow charging module 2, the converter 23 and the second socket 22.

The converter 23 is a 7KW charger for converting the 220V ac input from the slow charge test module into dc, and charging the power battery, and in practice, the display screen 41 is electrically connected to the converter 23, and the converter 23 sends its actual output power to the display screen 41 when the slow charge data is displayed.

And, the outer sidewall of the side of the first cavity 31 far away from the second cavity 32 is provided with a first emergency stop button 311 for electrically connecting with the first disconnection switch 11, once the data fed back to the display screen by the fast charging module 1 is abnormal, the fast charging module 1 can be disconnected from 220V mains supply by pressing the first emergency stop button 311, so as to prevent the charging danger; similarly, a second emergency stop button 321 for electrically connecting with the second breaking switch 21 is disposed on the outer side wall of the second cavity 32 away from the first cavity 31, and once the data fed back to the display screen by the slow charging module 2 is abnormal, the slow charging module 2 can be disconnected from 220V mains supply by pressing the second emergency stop button 321, so as to prevent the charging danger.

And, the first female socket 12 includes a first charging connection socket 121 and a first communication connection socket 122; the second female socket 22 includes a second charging connection socket 221 and a second communication connection socket 222. Here, the first communication connection base 122 is a 10pin fast-charging communication output base; the second communication connection base 222 is a 10pin slow-charging communication output base.

In another embodiment of the present utility model, a functional power supply 42 is disposed on a side of the case cover 4 near the case body 3, and the first female socket 12 and the second female socket 22 are electrically connected to the functional power supply 42; the functional power supply 42 is a 12V5A regulated power supply, and the functional power supply 42 is electrically connected with the junction box 34, so that 220V mains supply charges and supplies power for the functional power supply 42; the functional power source 42 may also be connected to the power battery through the first female socket 12 (or the second female socket 22) for activating the BMS part of the power battery.

When the quick charge test is performed, a high-voltage connecting wire plug of the power battery is connected to the first charge connecting seat 121, and a low-voltage communication wire plug of the power battery is connected to the first communication connecting seat 122; and then the first breaking switch 11 is turned on, the first emergency stop button 311 is not pressed, 220V mains supply simultaneously supplies power to the quick charging module 1 and the functional power supply 42, the functional power supply 42 sends an activation signal to activate the BMS part of the power battery through the first communication connection seat 122 of the first master socket 12, and the quick charging module 1 carries out quick charging and testing on the power battery through the first charging connection seat 121 of the first master socket 12.

When the slow charge test is performed, the high-voltage connecting wire plug of the power battery is connected to the second charge connecting seat 221, and the low-voltage communication wire plug of the power battery is connected to the second communication connecting seat 222; and then the second disconnecting switch 21 is turned on, the fact that the second emergency stop button 321 is not pressed is ensured, 220V mains supply simultaneously supplies power to the slow charging module 2 and the functional power supply 42, the functional power supply 42 sends an activation signal to activate the BMS part of the power battery through the second communication connecting seat 222 of the second female seat 22, and the slow charging module 2 slowly charges and tests the power battery through the second charging connecting seat 221 of the second female seat 22.

Of course, the first communication connection base 122 is disposed on a side of the first charging connection base 121 near the second female base 22, and the second communication connection base 222 is disposed on a side of the second charging connection base 221 near the first female base 12, that is, the distance between the first charging connection base 121 and the second charging connection base 221 is increased as much as possible, so as to prevent high voltage leakage.

Finally, the box body 3 and the box cover 4 are insulating pieces; to prevent the risk of electric shock when the operator touches the case 3 and the case cover 4.

The power battery charging testing device is simple in structure, effectively simulates the use state of the power battery after leaving the factory, effectively performs effective simulation test on the fast charging and slow charging protocols and the charging efficiency of the power battery, avoids the condition that the power battery cannot be charged after being loaded, can effectively shorten the debugging period of the power battery, and saves the development cost of the power battery.

The present utility model is not limited to the above-described specific embodiments, and various modifications and variations are possible. Any modification, equivalent replacement, improvement, etc. of the above embodiments according to the technical substance of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a power battery test device that charges which characterized in that: the novel circuit breaker comprises a box body (3), wherein the box body (3) comprises a first cavity (31), a second cavity (32) and a baffle plate (33) for separating the first cavity (31) and the second cavity (32), a quick charging module (1) and a first circuit breaker (11) electrically connected with the quick charging module (1) are arranged in the first cavity (31), and a first female seat (12) is arranged on the outer side wall of one end, far away from the first circuit breaker (11), of the first cavity (31); a slow charging module (2) and a second circuit breaker (21) electrically connected with the slow charging module (2) are arranged in the second cavity (32), a second female seat (22) is arranged on the outer side wall of one end, far away from the second circuit breaker (21), of the second cavity (32), and a junction box (34) used for being electrically connected with the first circuit breaker (11) and the second circuit breaker (21) is arranged on the outer side of the box (3);

the power battery charging test device further comprises a display screen (41) which is electrically connected with the fast charging module (1) and the slow charging module (2).

2. The power battery charge test device according to claim 1, wherein: the box body (3) is provided with a box cover (4), and the display screen (41) is arranged on one side, away from the box body (3), of the box cover (4).

3. The power battery charge test device according to claim 2, wherein: one side of the box cover (4) close to the box body (3) is provided with a functional power supply (42), and the first female seat (12) and the second female seat (22) are electrically connected with the functional power supply (42).

4. The power battery charge test device according to claim 1, wherein: and a converter (23) is further arranged in the second cavity (32), and the slow charging module (2) is electrically connected with the second female seat (22) through the converter (23).

5. The power battery charge test device of claim 4, wherein: the converter (23) is an AC-DC converter.

6. The power battery charge test device according to claim 1, wherein: the first female seat (12) and the second female seat (22) are both positioned on the same side of the box body (3), and the junction box (34) is positioned on one side of the box body (3) away from the first female seat (12).

7. The power battery charge test device according to claim 1, wherein: the outer side wall of one side, far away from the second cavity (32), of the first cavity (31) is provided with a first emergency stop button (311) used for being electrically connected with the first circuit breaker (11); the outer side wall of one side of the second cavity (32) far away from the first cavity (31) is provided with a second emergency stop button (321) used for being electrically connected with the second circuit breaker (21).

8. The power battery charge test device according to claim 1, wherein: the first female socket (12) comprises a first charging connection socket (121) and a first communication connection socket (122); the second female socket (22) includes a second charging connection socket (221) and a second communication connection socket (222).

9. The power battery charge test device of claim 8, wherein: the first communication connecting seat (122) is arranged on one side, close to the second female seat (22), of the first charging connecting seat (121), and the second communication connecting seat (222) is arranged on one side, close to the first female seat (12), of the second charging connecting seat (221).

10. The power battery charge test device according to claim 2, wherein: the box body (3) and the box cover (4) are insulating pieces.