CN220795292U - Battery test safety protection system - Google Patents

Abstract

The utility model relates to a battery test safety protection system which comprises a protection device, a detection assembly, a display device and a control assembly. The protection device comprises a protection box and a water tank, wherein the protection box is used for accommodating a battery to be tested, a protection liquid is arranged in the water tank, a box cover is arranged at the top of the water tank, the box cover is in an open state and a closed state, the protection box is supported by the box cover in the closed state, and the protection box enters the water tank in the open state and enables the battery to be tested to be soaked in the protection liquid. The detection component is arranged on the protective box and is at least used for collecting the temperature value of the battery to be detected. The display device is used for displaying the detection result of the detection component. The control assembly comprises a first control switch and an execution part, the execution part is arranged on the water tank and is in transmission connection with the tank cover, and the execution part is controlled by the first control switch to open or close the tank cover. The battery test safety protection system disclosed by the utility model is beneficial to solving the problems of low safety and poor test effect existing in the conventional battery module during test.

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 conditions are caused by 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, oxygen is not needed, whether open fire exists or not is judged by manual observation, and the time is delayed, so that the best fire extinguishing opportunity can be missed. The temperature gun is used for measuring the temperature to determine whether fire extinguishment is needed, so that the fire extinguishment device is low in efficiency, high in danger and high in damage to personnel, equipment and surrounding environments. Meanwhile, fire extinguishing measures are adopted in advance to influence the test effect, so that the tested object can be damaged, and the test purpose can not be achieved.

Disclosure of Invention

The utility model aims to at least solve the problems of low safety and poor test effect of the existing battery module during 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 display device and a control assembly, wherein the detection assembly is used for detecting the battery test safety protection system;

the protection device comprises a protection box and a water tank, wherein the protection box is used for accommodating a battery to be tested, a protection liquid is arranged in the water tank, a box cover is arranged at the top of the water tank, the protection box is arranged at the top of the box cover, the box cover is in an open state and a closed state, the protection box is supported by the box cover in the closed state, and in the open state, the protection box enters the water tank and enables the battery to be tested to be soaked in the protection liquid;

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

the display device is used for displaying the detection result of the detection component;

the control assembly comprises a first control switch and an execution part, wherein the execution part is arranged on the water tank and is in transmission connection with the tank cover, the execution part is controlled by the first control switch, and the execution part is used for opening or closing the tank cover.

The battery test safety protection system comprises a protection device, a detection assembly, a display device and a control assembly. The protection device comprises a water tank and a protection box, wherein the top of the water tank is provided with a box cover, and the box cover can be opened when the battery to be tested in the protection box is in a combustion state and the like, so that the battery to be tested in the protection box falls down and is soaked in protection liquid of the water tank, and the aim of extinguishing fire is fulfilled. Meanwhile, by arranging the detection assembly, the display device and the control assembly, a tester can monitor the state of the battery to be tested in real time, can timely control the opening of the box cover according to the monitoring condition, and is beneficial to improving the safety of the battery to be tested in test, so as to reduce the damage of the personnel and the surrounding environment.

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 used for supplying power to the battery to be tested;

the control assembly further comprises a second control switch, and the second control switch is used for controlling the on-off between the power supply device and the battery to be tested.

In some embodiments of the present utility model, the detection assembly includes a first detection member disposed on one side of the battery under test, the first detection member having a first detection portion for detecting a temperature of the battery under test.

In some embodiments of the utility model, the first detection member has a first alarm portion having a first alarm state, a second alarm state, and a third alarm state that are different from one another.

In some embodiments of the utility model, the detection assembly further comprises a second detection member disposed above the battery under test, the second detection member having a second detection portion for detecting the smoke concentration in the protective case.

In some embodiments of the utility model, the first detection member has a second alarm portion having a primary alarm state and a secondary alarm state.

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 detection component is located above the protection liquid in a state that the protection tank is located 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 rotatably 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 structural view of a battery test safety protection system according to an embodiment of the present utility model.

The various references in the drawings are as follows:

1. a water tank; 101. a case cover; 2. a protective box; 3. a battery to be tested; 4. a protective liquid; 5. a detection assembly; 51. a first detecting member; 52. a second detecting member; 53. a third detecting member; 6. a display device; 7. a control assembly; 71. a first control switch; 72. a second control switch; 73. an execution unit; 8. and a power supply device.

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.

The utility model provides a battery test safety protection system which is integrally designed and comprises a protection device, a detection assembly 5, a display device 6 and a control assembly 7.

Wherein, protector includes protective housing 2 and water tank 1, and protective housing 2 is used for the holding to await measuring battery 3, and the inside of water tank 1 is provided with protection liquid 4, and the top of water tank 1 is provided with case lid 101, and protective housing 2 sets up at the top of case lid 101, and case lid 101 has open state and closed state, under closed state, protective housing 2 is supported by case lid 101, under open state, protective housing 2 gets into water tank 1 to make to await measuring battery 3 soak in protection liquid 4. The detection component 5 is arranged on the protective box 2, and the detection component 5 is at least used for collecting the temperature value of the battery 3 to be tested. The display device 6 is used for displaying the detection result of the detection component 5. The control assembly 7 comprises a first control switch 71 and an executing part 73, wherein the executing part 73 is arranged on the water tank 1 and is in transmission connection with the tank cover 101, the executing part 73 is controlled by the first control switch 71, and the executing part 73 is used for opening or closing the tank cover 101.

According to the battery test safety protection system, the box cover 101 is arranged at the top of the water tank 1, and the box cover 101 can be opened when the battery 3 to be tested in the protection box 2 is in a burning state and the like, so that the battery 3 to be tested in the protection box 2 falls down and is soaked in the protection liquid 4 of the water tank 1, and the aim of extinguishing fire is fulfilled. Meanwhile, by arranging the detection assembly 5, the display device 6 and the control assembly 7, test personnel can monitor the state of the battery 3 to be tested in real time, and can timely control the opening of the box cover 101 according to the monitoring condition, so that the safety of the battery 3 to be tested in a test can be improved, the damage of personnel and surrounding environment can be reduced, and meanwhile, the battery test safety protection system is also beneficial to ensuring the accuracy, reliability and high efficiency of test results.

Based on the above overall design concept, an exemplary structure of the battery test safety protection system of the present embodiment is shown in fig. 1, and at this time, the battery 3 to be tested accommodated in the protection box 2 is a battery module. The battery module is formed by connecting a plurality of battery cells in series or in parallel so as to achieve the purpose of improving voltage or capacity. Of course, in addition to this, the battery 3 to be measured may be a single battery, and when the battery 3 to be measured is a single battery, the arrangement and movement of the battery 3 to be measured are all described below with reference to this embodiment.

Specifically, the above-mentioned protection device includes a water tank 1 and a protection tank 2, wherein the protection tank 2 is placed above the water tank 1. Since the battery does not need oxygen when it catches fire, it is a chemical reaction, so the correct way to treat the battery module when it catches fire is to soak the battery module. Preferably, a protective liquid 4 is provided inside the water tank 1, and the protective case 2 can be entered into the water tank 1, and the battery 3 to be measured in the protective case 2 is immersed in the protective liquid 4. In the present embodiment, the protective liquid 4 is set to be a dilute brine. The adoption of the light salt water as the protective liquid 4 not only can realize the soaking of the battery, but also can carry out discharge treatment on the battery, thereby further reducing the explosion risk of the battery.

As shown in fig. 1, a cover 101 is provided on the top of the water tank 1, the cover 101 being provided in a separate structure or a one-piece structure, and/or the cover 101 being rotatably provided on the water tank 1. In this embodiment, the case cover 101 is provided as two case doors, and both the two case doors are pivotally provided at the top of the water tank 1, and the joint of the two case doors is provided with the above-mentioned executing portion 73, and the executing portion 73 can connect the two case doors and make the two case doors in a closed state, and at the same time, the executing portion 73 can disconnect the connection between the two case doors and can quickly separate under the action of gravity thereof and the pressing action of the protection case 2, so that the two case doors enter an open state. As a preferred embodiment, the actuator 73 is provided as an electrically retractable support plate. By arranging two box doors as the box cover 101, the box cover is simple in structure, convenient and quick to open, and also beneficial to reducing the time for the battery 3 to be tested to enter the light salt water, so that the safety of the 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 4 can get into protective housing 2 fast and soak battery 3 to be measured. 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 protective box 2, and the water inlet groove can be of a grid structure, so that the use effect of the protective box 2 can be guaranteed, and the flow rate and the flow velocity of the protective liquid 4 entering the protective box 2 can be further improved. Meanwhile, the height of the protective box 2 is greater than the depth of the protective liquid 4 in the water tank 1, and under the condition that the protective box 2 is positioned in the water tank 1, the detection assembly 5 is positioned above the protective liquid 4, so that the protective box 2 can completely soak the battery 3 to be tested after entering the water tank 1, but cannot completely soak the water tank 1, and the detection assembly 5 is beneficial to avoiding the damage caused by the dilute brine 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, at this time, when the tank cover 101 is opened, the protection tank 2 can enter the water tank 1, and the battery 3 to be tested inside the protection tank can be soaked in the protection liquid 4. 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 5. As a preferred embodiment, the observation window is disposed at the top of the protection box 2, so that the third detecting member 53 described below may be disposed outside the protection box 2, which helps to further avoid damage to the third detecting member 53 by the protection liquid 4.

Here, the water tank 1 and the protection box 2 may be provided as an integrated structure in addition to the above-described split structure, and in this case, the cover 101 of the water tank 1 is the bottom of the protection box 2, and when the cover 101 is opened, only the battery 3 to be tested enters the water tank 1. But when the water tank 1 and the protective box 2 are of an integrated structure, the water tank 1 and the protective box 2 are made of the same materials so as to ensure the protective effect of the protective device, and therefore, the protective device with a split structure is adopted, and the manufacturing cost of the protective device is excellent.

As also shown in fig. 1, the control assembly 7 includes a first control switch 71, a second control switch 72, and an actuator 73, wherein the actuator 73 is disposed on the water tank 1 and is in driving connection with the tank cover 101, and the first control switch 71 is used for controlling the actuator 73 so that the actuator 73 opens or closes the tank cover 101. The second control switch 72 is used for controlling the on-off between the power supply device 8 described below and the battery 3 to be tested.

At this time, the detecting assembly 5 includes a first detecting member 51, a second detecting member 52, and a third detecting member 53. The first detecting member 51 is disposed on one side of the battery 3 to be measured, and the first detecting member 51 is communicatively connected to the display device 6 to display the temperature of the battery 3 to be measured. In this embodiment, the first detecting member 51 is disposed at an interval from the battery 3 to be detected and above the battery 3 to be detected, so that damage to the first detecting member 51 during soaking of the battery can be reduced. Meanwhile, the first detecting member 51 is electrically connected to the external display device 6 so as to be able to transmit the detection data. In addition, since the first detecting member 51 is disposed at a distance from the battery 3 to be tested, the first detecting member 51 can adaptively adjust the temperature limitation requirement of the battery 3 to be tested in consideration of the time of temperature transmission, so as to ensure the safety of the battery test safety protection system and the accuracy of the test.

Specifically, the first detecting member 51 has a first detecting portion for detecting the temperature value of the battery 3 to be measured. By providing the first detecting member 51 having the first detecting portion, the temperature condition of the battery 3 to be measured in the protection box 2 can be monitored in real time. Meanwhile, since the display device 6 can display the detection result of the first detecting member 51, the tester can divide the dangerous level of the test situation by the temperature value of the battery 3 to be tested. Preferably, the display device 6 is capable of displaying different levels of danger cues, and the test person is capable of operating accordingly in accordance with the different levels of danger cues. In this embodiment, the first detecting member 51 is a temperature alarm, the first detecting portion is a temperature sensor, and the temperature alarm is adopted as the first detecting member 51, so that not only can temperature detection be performed, but also an alarm threshold can be set, so as to provide different warning information for the test personnel, thereby assisting the test personnel to perform corresponding operations. Meanwhile, the temperature alarm is an existing product and can be directly purchased and used.

At this time, the first detecting member 51 may be further provided with a first alarm portion, which can determine a dangerous level of the test condition according to the temperature value of the battery 3 to be tested, and perform alarm states of different conditions to prompt the test personnel. In this embodiment, the first alarm portion is a buzzer or an alarm lamp, and the first alarm portion has a first alarm state, a second alarm state, and a third alarm state that are different from each other. The first alarm part provides different alarm signals under different alarm states, such as distinguishing through buzzing with different intensity, or distinguishing through flashing alarm lamps with different colors or different frequencies, and the like.

In the present embodiment, the temperature alarm is provided with three temperature thresholds including a first temperature threshold t1, a second temperature threshold t2, and a third temperature threshold t3 according to the battery 3 to be measured. When the temperature T of the battery 3 to be measured detected by the temperature alarm device meets the following conditions: t1< T < T2, the temperature sensor enters a first alarm state, and at the moment, the temperature sensor either buzzes or flashes a first alarm lamp; when the temperature T of the battery 3 to be measured detected by the temperature alarm device meets the following conditions: t2 is less than or equal to T < T3, the temperature alarm enters a second alarm state, or emits a denser beep, or flashes a second alarm lamp, at this time, a tester can operate a second control switch 72 which is described below according to a signal emitted by the temperature alarm, so that a power supply device 8 which is described below stops charging and discharging the battery 3 to be tested; when the temperature T of the battery 3 to be measured detected by the temperature alarm device meets the following conditions: t3 is less than or equal to T, the temperature alarm enters a third alarm state, or emits dense buzzing or blinks a third alarm lamp, and at this time, a tester can operate a first control switch 71 described below according to a signal emitted by the temperature alarm to start the executing part 73 to open or close the case cover 101, so that the protective case 2 falls into the water tank 1 to achieve the purpose of submerging the cell 3 to be tested.

Here, the first detecting portion and the first alarm portion of the first detecting element 51 may be detachably provided, or may be provided as an integral structure. Meanwhile, the first detection part may be provided on the surface of the battery 3 to be measured in addition to the first detection part provided on the protection box 2, but the waterproof effect of the first detection part needs to be ensured at this time.

As shown in fig. 1, the second detecting member 52 is provided above the battery 3 to be measured. The second detecting member 52 has a second detecting portion. Wherein the second detection part is used for detecting the smoke concentration in the protective box 2. By providing the second detecting piece 52 having the second detecting portion, the smoke condition in the protection box 2 can be monitored in real time. The experimenter can distinguish the dangerous grade according to the smoke concentration. Preferably, the display device 6 is capable of displaying different levels of hazard signals depending on the concentration of smoke, so as to facilitate the corresponding operation by the test personnel. In the present embodiment, the second detecting element 52 is a smoke alarm, and the second detecting portion is a smoke sensor. The smoke alarm is adopted as the second detecting piece 52, so that the smoke concentration in the protective box 2 can be detected, and different warning information can be provided for the testers according to the time of smoke generation, thereby assisting the testers in carrying out corresponding operation.

At this time, the second detecting member 52 further has a second alarm portion that can determine the dangerous level of the test situation according to the smoke concentration and perform alarm states of different situations to prompt the test person. In this embodiment, the second alarm portion has a primary alarm state and a secondary alarm state. When the second alarm part starts the first alarm state, the test personnel needs to cut off the connection between the power supply device 8 and the battery 3 to be tested. When the second alarm portion opens the secondary alarm state, the test person needs to open the cover 101 of the water tank 1. In order to improve the convenience of the battery test safety protection system, the first-stage alarm state of the second alarm part is the same as alarm information sent when the first alarm part enters the second alarm state, and the second-stage alarm state of the second alarm part is the same as alarm information sent when the first alarm part enters the third alarm state.

In the above embodiment, the third detecting member 53 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 53 detects an open fire, the tester can directly observe the open fire in the display device 6, and at this time, the first control switch 71 needs to be activated, so that the executing portion 73 acts to open the box cover 101, thereby achieving the purpose of extinguishing the fire. As a preferred embodiment, the fire detector may be arranged outside the top of the protective housing 2 and video-monitored by the battery 3 to be tested through the viewing window.

Here, the information output relationships of the first detecting element 51, the second detecting element 52, and the third detecting element 53 are or relationships, and do not interfere with each other.

In addition, the display device 6 can detect the situation in the protective case 2 in real time. In the present embodiment, the first detecting element 51, the second detecting element 52 and the third detecting element 53 are all electrically connected to the display device 6, that is, the display device 6 can display the temperature of the battery 3 to be tested, the smoke concentration in the protection box 2 and the state of the battery 3 to be tested at the same time. In addition to this, the display device 6 may be used only for observing the battery 3 to be measured and displaying the temperature of the battery 3 to be measured, or only for observing whether or not an open flame is present in the battery 3 to be measured. In addition, the display devices 6 may be provided in two or three, and when the display devices 6 are provided in two, the two display devices 6 are electrically connected to the first detecting member 51 and the third detecting member 53, respectively.

As also shown in fig. 1, the battery test safety protection system further includes a power supply device 8. The power supply device 8 is electrically connected with the battery 3 to be tested, and the power supply device 8 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. Furthermore, the power supply device 8 can also be used to ensure the operability of the display device 6 and the detection assembly 5.

According to the battery test safety protection system in the embodiment, the state of the battery module is automatically monitored in real time, test staff can adopt timely and accurate processing modes in a layered and staged mode 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, so that the safety of a battery to be tested and the surrounding environment is further improved, and meanwhile, the accuracy of a test result can be improved.

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 (10)

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

the protection device comprises a protection box and a water tank, wherein the protection box is used for accommodating a battery to be tested, a protection liquid is arranged in the water tank, a box cover is arranged at the top of the water tank, 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, and when the box cover is in the open state, the protection box enters the water tank and enables the battery to be tested to be soaked in the protection liquid;

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

the display device is used for displaying the detection result of the detection component;

the control assembly comprises a first control switch and an execution part, wherein the execution part is arranged on the water tank, the first control switch is used for starting the execution part, and the execution part is used for opening or closing the tank cover.

2. The battery test safety protection system of claim 1, further comprising a power supply device for powering the battery under test;

the control assembly further comprises a second control switch, and the second control switch is used for controlling the on-off between the power supply device and the battery to be tested.

3. The battery test safety protection system of claim 1, wherein the detection assembly comprises a first detection member disposed on one side of the battery under test, the first detection member having a first detection portion for detecting a temperature of the battery under test.

4. The battery test safety protection system of claim 3, wherein the first detection member has a first alarm portion having a first alarm state, a second alarm state, and a third alarm state that are different from one another.

5. The battery test safety protection system of claim 3, wherein the detection assembly further comprises a second detection member disposed above the battery under test, the second detection member having a second detection portion for detecting a smoke concentration in the protective housing.

6. The battery test safety protection system of claim 5, wherein the first detection member has a second alarm portion having a primary alarm and a secondary alarm.

7. The battery test safety protection system of claim 5, 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 1, wherein a plurality of water inlets are formed in the bottom of the protective box, and the protective box is greater than the depth of the protective 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 rotatably arranged on the water tank.