CN220795289U

CN220795289U - Battery test safety protection system

Info

Publication number: CN220795289U
Application number: CN202322293237.0U
Authority: CN
Inventors: 单海彭; 郭姗姗; 周广钊; 高玉滕; 姜晓琴; 任伟; 孟亮
Original assignee: Weichai New Energy Power Technology Co ltd; Weichai Power Co Ltd
Current assignee: Weichai New Energy Power Technology Co ltd; Weichai Power Co Ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-04-16
Anticipated expiration: 2033-08-24

Abstract

The utility model relates to a battery test safety protection system which comprises a protection device, a detection assembly, a control device and an execution device. The protection device comprises a water tank and a protection box, wherein the top of the water tank is movably provided with a box cover, the box cover is provided with an opening state and a closing state, when the box cover is in the closing state, the protection box is placed on the box cover, when the box cover is in the opening state, the protection box enters the water tank and is at least partially soaked in protection liquid of the water tank, and the protection box is used for accommodating a battery to be tested. The detection component is arranged on the protective box or the battery and is at least used for collecting the temperature value of the battery to be detected. The execution device comprises a first execution part which is arranged on the water tank, and the control device is respectively and electrically connected with the detection component and the execution device and is used for controlling the first execution part to open or close the tank cover according to the temperature value. The battery test safety protection system disclosed by the utility model is beneficial to solving the safety problem existing in the test of the existing battery module.

Description

Battery test safety protection system

Technical Field

The utility model belongs to the technical field of battery detection, and particularly relates to a battery test safety protection system.

Background

In the test process of the battery, dangerous situations occur due to decomposition of internal materials of the battery and external induction, various accidents are generated, the time from thermal runaway to burning and explosion of the battery is very short, and because the battery belongs to chemical burning, whether open fire exists or not is judged by manual observation or temperature measurement of a temperature gun, the best fire extinguishing time can be missed due to time delay, the efficiency is low, the danger is high, and damage to personnel, equipment and surrounding environment is easy to cause.

Disclosure of Invention

The utility model aims to at least solve the problem of poor safety of the existing battery module in the test. The aim is achieved by the following technical scheme:

the utility model provides a battery test safety protection system, which comprises a protection device, a detection assembly, a control device and an execution device, wherein the detection assembly is used for detecting the battery test safety protection system;

the protection device comprises a water tank and a protection box, wherein the top of the water tank is movably provided with a box cover, the box cover is provided with an open state and a closed state, when the box cover is in the closed state, the protection box is placed on the box cover, when the box cover is in the open state, the protection box enters the water tank and is at least partially soaked in protection liquid of the water tank, and the protection box is used for accommodating a battery to be tested;

the detection component is arranged on the protective box or the battery and is at least used for collecting the temperature value of the battery to be detected;

the execution device comprises a first execution part, the first execution part is arranged on the water tank, and the control device is respectively and electrically connected with the detection assembly and the execution device and is used for controlling the first execution part to open or close the tank cover according to the temperature value.

The battery test safety protection system comprises a protection device, a detection assembly, a control device and an execution device. Wherein, protector includes water tank and protective housing, through being provided with movable case lid at the top of water tank, and set up the protective housing top with the protective housing, when dangerous state such as burning appears in the battery that awaits measuring of protective housing inside test, can fall into the protection liquid of water tank through opening the case lid and the battery that awaits measuring in the protection, simultaneously, protector cooperation detection component, controlling means, and be used for controlling the closing and opening of case lid execution device, can realize the automated control when awaiting measuring the battery detection, security and experimental accuracy when helping further improvement battery test, in order to reduce personnel and surrounding environment's damage.

In addition, the battery test safety protection system according to the utility model can also have the following additional technical characteristics:

in some embodiments of the present utility model, the power supply device is further included, and the power supply device is electrically connected with the battery to be tested and the control device;

the execution device further comprises a second execution part, and the control device is electrically connected with the second execution part and used for controlling the second execution part to execute on-off between the power supply device and the battery to be tested.

In some embodiments of the utility model, an alarm device is further included, the alarm device being electrically connected to the control device.

In some embodiments of the present utility model, the control device further includes a first terminal, where the first terminal is in communication connection with the control device, and the first terminal is configured to receive and display detection data of the detection component, and is configured to send an operation instruction to the control device.

In some embodiments of the present utility model, the detecting assembly includes a first detecting member disposed on a surface of the battery to be detected, and the first detecting member is configured to detect a temperature of the battery to be detected.

In some embodiments of the present utility model, the detection assembly further includes a second detection member disposed above the battery under test, the second detection member being configured to detect a smoke concentration in the protection box.

In some embodiments of the present utility model, the detection assembly includes a third detection member disposed above the battery under test, the third detection member being configured to detect an open flame in the protective case.

In some embodiments of the present utility model, a plurality of water inlets are formed at the bottom of the protection tank, and the height of the protection tank is greater than the depth of the protection liquid in the water tank.

In some embodiments of the utility model, the protective liquid is provided as a dilute brine.

In some embodiments of the utility model, the cover is provided as a split structure or as a unitary structure;

and/or the case cover is movably arranged on the water tank.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 is a schematic diagram of one of the illustrated battery test safety protection systems according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of another embodiment of the battery test safety protection system according to the present utility model.

The various references in the drawings are as follows:

1. a water tank; 11. a case cover; 12. a protective liquid; 2. a protective box; 3. a battery to be tested; 4. a detection assembly; 41. a first detecting member; 42. a second detecting member; 43. a third detecting member; 5. an execution device; 51. a first execution unit; 52. a second execution unit; 6. a control device; 7. a power supply device; 8. an alarm device; 9. and a first terminal.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

As shown in fig. 1 and 2, according to an embodiment of the present utility model, a battery test safety protection system is provided, which includes a protection device, a detection assembly 4, a control device 6, and an execution device 5 in an overall design.

Wherein, protector includes water tank 1 and protective housing 2, and the top of water tank 1 movably is provided with case lid 11, and case lid 11 has open condition and closed condition, and when case lid 11 was in the closed condition, protective housing 2 was placed on case lid 11, and when case lid 11 was in the open condition, protective housing 2 got into water tank 1, and at least partly soaks in the protection liquid 12 of water tank 1, and protective housing 2 is used for the holding battery 3 that awaits measuring. The detecting component 4 is disposed on the protection box 2 or the battery, and the detecting component 4 is at least used for detecting the temperature value of the battery 3 to be detected. The actuator 5 comprises a first actuator 51, the first actuator 51 being arranged on the water tank 1, and the control device 6 being electrically connected to the detection assembly 4 and the actuator 5, respectively, for controlling the first actuator 51 to open or close the cover 11 in dependence on the temperature value.

The battery test safety protection system comprises a protection device, a detection assembly 4, a control device 6 and an execution device 5. Wherein, protector includes water tank 1 and protective housing 2, through being provided with movable case lid 11 at the top of water tank 1, and set up water tank 1 top with protective housing 2, make when the dangerous state such as burning appears in the battery 3 that awaits measuring of the inside experiment of protective housing 2, can fall into the protection liquid 12 of water tank 1 through opening the battery 3 that awaits measuring in the case lid 11 and protect, simultaneously, protector cooperation detection component 4, controlling means 6, and be used for controlling the closing of case lid 11 actuating device 5, can realize the automated control when detecting of battery 3 that awaits measuring, the security when helping further improvement battery test, in order to reduce personnel and surrounding environment's damage.

Specifically, the protection device comprises a water tank 1 and a protection tank 2, wherein the water tank 1 is provided with a protection liquid 12, and the battery does not need oxygen when being ignited, and belongs to chemical reaction, so that the battery is soaked in the whole in a correct treatment mode when the battery is ignited. Preferably, the protective liquid 12 is a dilute brine. The use of the dilute brine as the protective liquid 12 not only enables the battery to be immersed, but also enables the battery to be subjected to discharge treatment, thereby further reducing the explosion risk of the battery.

As shown in fig. 1 and 2, a cover 11 is provided on the top of the water tank 1, the cover 11 being provided in a separate structure or a one-piece structure, and/or the cover 11 being rotatably or movably provided on the water tank 1. Preferably, the case cover 11 is provided as two case doors, both the two case doors are pivotally provided on the water tank 1, the connection part of the two case doors is provided with the first executing part 51, the first executing part 51 can connect the two case doors and make the two case doors in a closed state, and at the same time, the first executing part 51 can disconnect the connection between the two case doors and can realize the separation of the two case doors under the action of gravity so as to make the two case doors enter an open state. Through setting up two chamber doors as case lid 11, simple structure, and open convenient and fast, can reduce the time that awaits measuring battery 3 gets into in the light salt water to the security of this battery test safety protection system is further improved.

At this time, a plurality of water inlets are formed in the bottom of the protective box 2. Wherein, a plurality of inlet openings have been seted up to the bottom of protective housing 2 to after protective housing 2 gets into water tank 1, protection liquid 12 can get into protective housing 2 and soak battery 3 to be measured fast. The number and the pore diameter of the water inlet holes can be the same or different. Besides, a water inlet groove can be formed in the lower portion of the side wall of the protection box 2, and the water inlet groove can be of a grid structure, so that the arrangement is beneficial to guaranteeing the use effect of the protection box 2 and further improving the flow rate and the flow velocity of the protection liquid 12 entering the protection box 2. Meanwhile, the height of the protective case 2 is greater than the depth of the protective liquid 12 in the water tank 1, so that the protective case 2 can completely soak the battery 3 to be tested after entering the water tank 1, but the protective case 1 cannot be completely soaked, which is helpful for protecting the second detecting member 42 and the third detecting member 43, which will be described below, from damage due to soaking.

In the above embodiment, the cross section of the water tank 1 is larger than the cross section of the protection tank 2, that is, the volume of the water tank 1 is much larger than the volume of the protection tank 2, and at this time, when the cover 11 is opened, the battery 3 to be tested enters the water tank 1 together with the protection tank 2. In addition, as shown in fig. 2, the water tank 1 and the protection box 2 may be integrally formed, and at this time, the cover 11 of the water tank 1 is the bottom of the protection box 2, and when the cover 11 is opened, only the battery 3 to be tested enters the water tank 1. In addition, be provided with observation window and through wires hole on the protective housing 2, wherein, the setting of observation window is favorable to the operating personnel to observe the experimental condition of battery 3 that awaits measuring. The threading holes are arranged for arranging the wire harness so as to ensure the charge and discharge of the battery 3 to be tested and the information transmission of the detection assembly 4.

Here, it should be noted that the battery 3 to be measured accommodated in the protection box 2 is a battery module or a battery unit, where the battery module is formed by connecting a plurality of battery units in series or in parallel, so as to achieve the purpose of increasing the voltage or the capacity. In the present embodiment, the battery 3 to be measured described below is referred to as a battery module.

As also shown in fig. 1, the battery test safety protection system further comprises a power supply device 7, an alarm device 8 and a first terminal 9. The power supply device 7 is electrically connected with the control device 6, and the control device 6 is electrically connected with the alarm device 8 and the detection assembly 4, wherein the power supply device 7 is used for guaranteeing the implementation of the control device 6, the alarm device 8, the execution device 5 and the detection assembly 4. Meanwhile, the power supply device 7 is electrically connected with the battery 3 to be tested to provide power supply operation for short circuit and other high-risk tests of the battery.

In the present embodiment, the control device 6 is a DCU intelligent controller, and is capable of receiving information output from the detection unit 4, performing intelligent calculation and judgment based on the output information, and generating a control command to control the operations of the execution device 5 and the alarm device 8. And the control device 6 can perform information interaction with a first terminal 9 described below through wireless communication. Meanwhile, the alarm device 8 is an audible and visual alarm to provide warning reminding for users.

As also shown in fig. 1, the actuator 5 includes a first actuator 51 and a second actuator 52. In this embodiment, the first executing portion 51 is an electric control switch of the water tank 1 and is disposed on the cover 11 of the water tank 1, the first executing portion 51 can receive a control command sent by the control device 6, and control the cover 11 to open or close according to the control command, and the second executing portion 52 is an electric control switch and is connected between the power supply device 7 and the battery 3 to be tested, and controls the on/off between the power supply device 7 and the battery 3 to be tested by receiving the control command sent by the control device 6.

At this time, the detecting assembly includes a first detecting member 41, a second detecting member 42, and a third detecting member 43. The first detecting member 41 is a temperature sensor. In the present embodiment, the first detecting member 41 is provided on the surface of the battery 3 to be measured so as to be able to directly detect the temperature T of the battery 3 to be measured. The control device 6 can realize staged control according to the test purpose and the temperature limitation requirement of the battery 3 to be tested, and the specific temperature can be freely set. For example, when the temperature value T of the surface of the battery 3 to be measured exceeds 55 degrees, the control device 6 controls the alarm device 8 to act, so as to provide warning for operators; when the temperature value T of the surface of the battery 3 to be tested exceeds 60 degrees, the control device 6 controls the second executing part 52 to act, and the battery 3 to be tested is subjected to power-off treatment; when the temperature value T of the surface of the battery 3 to be measured exceeds 70 degrees, the control device 6 controls the first executing part 51 to act, so that the protection box 2 falls into the water tank 1 to achieve the purpose of submerging the battery 3 to be measured.

Here, the first detecting member 41 may be provided on the protection box 2 in addition to the surface of the battery 3 to be tested, and as shown in fig. 2, the first detecting member 41 may be provided on a side wall of the protection box 2 and spaced apart from the battery 3 to be tested. And at this time, considering the time of temperature transfer, the temperature limitation requirement of the battery 3 to be tested needs to be adjusted to ensure the safety of the battery test safety protection system and the accuracy of the test.

In the present embodiment, the second detecting member 42 is a smoke sensor provided above the battery for detecting the smoke concentration in the protection box 2. When the smoke sensor detects the smoke concentration in the protective box 2, the smoke sensor can give an alarm by itself, and at this time, the control device 6 generates a corresponding control instruction by calculating the alarm time of the smoke sensor. For example, when the second detecting member 42 does not alarm, the control device 6 does not generate a control instruction, when the second detecting member 42 alarms and the alarm time is less than or equal to 10 seconds, the control device 6 generates a first control instruction, and at this time, the alarm device 8 acts, and an operator checks whether the state has false alarm or not in time; when the second detecting member 42 alarms and the alarm time is longer than 10 seconds and shorter than 30 seconds, the control device 6 will continue to generate the second control command, and at this time, the second executing portion 52 acts; when the second detecting member 42 alarms and the alarm time is longer than 30 seconds, the control device 6 will continue to generate the third control command, and at this time, the first executing portion 51 acts, the cover 11 of the water tank 1 is opened, and the protection box 2 falls into the water tank 1. Of course, the standard visual test conditions for calculating the alarm time period by the control device 6 are freely set.

In the above embodiment, the third detecting member 43 is a fire detector, which is disposed above the battery for detecting an open fire in the protection box 2. Preferably, the fire detector is an identifiable fire camera. When the third detecting member 43 detects an open fire, the control device 6 directly generates the first control command, the second control command and the third control command, and at this time, the alarm device 8 operates, the second executing portion 52 operates and the first executing portion 51 operates, thereby achieving the purpose of extinguishing a fire.

Here, the control device 6 acquires information output from the detection unit 4 in real time, and the output relationships of the first detection element 41, the second detection element 42, and the third detection element 43 are equal to or do not interfere with each other. The specific control operation of the control device 6 is shown in the following table:

in addition, the above-mentioned battery test safety protection system still includes first terminal 9, first terminal 9 and controlling means 6 communication connection, preferably, first terminal 9 is portable terminals such as iPad, because the DCU intelligent control ware itself has wireless receiving and sending function module, so the first terminal 9 of this application can carry out wireless communication with controlling means 6 and be connected, first terminal 9 can receive and show the detection data of detection subassembly, and can send the operation instruction in order to produce the control instruction to controlling means 6, help realizing that operating personnel obtain battery module's relevant information through the cell-phone, and carry out functions such as remote operation, help further improve the security and the intelligent automation operation of this battery test safety protection system. Of course, the first terminal 9 may be provided as an intelligent terminal carrier such as a mobile phone, and at this time, the first terminal 9 may be connected to the control device 6 through a software app in a communication manner.

According to the battery test safety protection system in the embodiment, the state of the battery module is automatically monitored in real time, different processing modes are intelligently calculated, analyzed and output according to the state of the battery module and acquired information (such as a temperature alarm, a smoke alarm and a fire camera) of the information acquisition system, safety of a tested object and surrounding environment is guaranteed, an output result is accurate, reliable and efficient, and meanwhile, the protection delay time, the protection temperature and the like of the battery test safety protection system can be adjusted according to requirements. In addition, through setting up first terminal 9 for operating personnel can acquire battery module's relevant information from the cell-phone, and carry out functions such as remote operation, thereby realize intelligent remote control, greatly improved the security of battery test.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The battery test safety protection system is characterized by comprising a protection device, a detection assembly, a control device and an execution device;

2. The battery test safety protection system of claim 1, further comprising a power supply device electrically connected to the battery under test and the control device;

3. The battery test safety protection system of claim 2, further comprising an alarm device electrically connected to the control device.

4. The battery test safety protection system of claim 2, further comprising a first terminal in communication with the control device, the first terminal configured to receive and display the detection data of the detection assembly and to send an operation command to the control device.

5. The battery test safety protection system of claim 1, wherein the detection assembly comprises a first detection member disposed on a surface of the battery under test, the first detection member configured to detect a temperature of the battery under test.

6. The battery test safety protection system of claim 5, wherein the detection assembly further comprises a second detection member disposed above the battery under test, the second detection member configured to detect a smoke concentration within the protective housing.

7. The battery test safety protection system of claim 6, wherein the detection assembly comprises a third detection member disposed above the battery under test, the third detection member configured to detect an open flame within the protective housing.

8. The battery test safety protection system of claim 7, wherein a plurality of water inlet holes are formed in the bottom of the protection box, and the height of the protection box is greater than the depth of the protection liquid in the water tank.

9. The battery test safety protection system of any one of claims 1 to 8, wherein the protection fluid is provided as a dilute brine.

10. The battery test safety protection system of any one of claims 1 to 8, wherein the case cover is provided in a split structure or an integrated structure;

and/or the case cover is movably arranged on the water tank.