Fire extinguishing device for lithium battery detection

Abstract

The utility model provides a fire extinguishing device for lithium battery detection, which comprises a water tank, a turnover mechanism, a bearing piece, a lithium battery and a detection control module, and the water tank is internally provided with a first placing part which is horizontally arranged; the turnover mechanism is arranged on the water tank and is provided with a second placement part capable of rotating in the circumferential direction, and the second placement part is located in the water tank and is parallel to the first placement part at an interval; the bearing piece is placed between the first placing part and the second placing part, and is spaced from the inner wall of the water tank; the lithium battery is arranged on the bearing piece; the detection control module is arranged on one side of the water tank, the detection end of the detection control module is opposite to the lithium battery, and the detection control module is used for detecting fire of the lithium battery and controlling the second placement part to rotate, so that the bearing part is separated from the first placement part and the second placement part and sinks into the bottom of the water tank, fire extinguishing is conducted on the lithium battery, and personnel and property safety is guaranteed; and the safety of lithium battery detection is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery detection, in particular to a fire extinguishing device for lithium battery detection. Background Art

[0002] With the rapid development of science and technology, lithium batteries, as a high-energy-density battery, have been widely used in various fields such as electric vehicles, smart phones, and laptops; however, due to the active chemical properties of lithium batteries, there are certain safety risks in the manufacturing, transportation, and use of lithium batteries. Therefore, lithium batteries need to be strictly tested. During battery performance testing and testing under abuse conditions, the battery may catch fire due to thermal runaway, posing a safety hazard.

[0003] A Chinese patent with publication number CN209270679U discloses an automatic temperature-sensing lithium battery fire extinguishing device, comprising a battery box for mounting a lithium battery, a charging circuit electrically connected to the lithium battery for charging the lithium battery, a fire extinguisher connected to the inside of the battery box through a nozzle, a smoke sensor arranged in the battery box, and a controller arranged in the battery box and electrically connected to the smoke sensor, wherein an electromagnetic valve electrically connected to the controller is provided on the nozzle, and also comprises a temperature sensing circuit, which comprises a temperature sensor arranged in the battery box, and the temperature sensing circuit is used to output a sensing signal according to an output signal of the temperature sensor; a control circuit, which is electrically connected to the output end of the temperature sensing circuit to receive the sensing signal output by the temperature sensing circuit, and output a control signal according to the sensing signal; a normally closed relay, whose normally closed contact is connected in series between the charging circuit and the lithium battery, and whose coil is electrically connected to the control circuit to receive the control signal, and control the action of the normally closed contact according to the control signal.

[0004] However, the lithium battery fire extinguishing device in the above-mentioned prior art uses temperature detection and electronic control to open and close the perfluorohexanone fire extinguishing equipment to perform jet fire extinguishing. However, the fire extinguishing equipment in the device is expensive, and during the test period, a dedicated person is required to perform regular inspections and maintenance throughout the entire process to ensure that the system is available at any time, which causes many inconveniences to use. Utility Model Content

[0005] In view of this, the utility model proposes a fire extinguishing device for lithium battery detection, which can detect flames of lithium batteries and automatically control the lithium batteries to fall into water for fire extinguishing according to the detection results. The device has low production cost and does not require special personnel to supervise, inspect and maintain regularly, thereby improving the safety of lithium battery detection.

[0006] The technical solution of the utility model is implemented as follows: The utility model provides a fire extinguishing device for lithium battery detection, comprising:

[0007] A water tank having a first placement portion arranged horizontally therein;

[0008] The turning mechanism is arranged on the water tank, and the turning mechanism has a second placement part which can rotate in a circumferential direction, the second placement part is located in the water tank, and is arranged in parallel with the first placement part at an interval;

[0009] The bearing member is placed between the first placement portion and the second placement portion and is spaced apart from the inner wall of the water tank;

[0010] A lithium battery is disposed on the carrier;

[0011] The detection control module is arranged on one side of the water tank, and the detection end of the detection control module is arranged opposite to the lithium battery, for detecting the fire of the lithium battery and controlling the rotation of the second placement part, so that the bearing part and the first placement part and the second placement part are separated and sunk to the bottom of the water tank to extinguish the fire of the lithium battery.

[0012] On the basis of the above technical solution, preferably, the second placement portion and the first placement portion are both rotatably connected in the water tank, and have the same rotation direction.

[0013] On the basis of the above technical solution, preferably, a protrusion is provided on the second placement portion, and a plurality of placement grooves are provided on the surfaces of the protrusion and the axially extending surfaces of the first placement portion, and the placement grooves are abutted against different positions of the surface of the carrier; when the second placement portion rotates, the protrusion is driven to rotate, thereby changing the height difference between the protrusion and the first placement portion.

[0014] On the basis of the above technical solution, preferably, a plurality of lugs are provided on both sides of the carrier, and the plurality of lugs are arranged at intervals along the axial direction of the first placement portion; each lug abuts against a corresponding placement groove.

[0015] On the basis of the above technical solution, preferably, a plurality of through holes are opened on the carrier, and the plurality of through holes are distributed in a rectangular array.

[0016] On the basis of the above technical solution, preferably, the flipping mechanism further includes a driving member and a coupling, wherein:

[0017] The driving member is fixed on one side of the water tank; and a coupling is coaxially arranged between the output shaft of the driving member and one end of the second placement portion, and the driving member drives the second placement portion to rotate circumferentially through the coupling.

[0018] On the basis of the above technical solution, preferably, the detection control module includes a detection control unit, a power adapter and a voltage stabilizing unit, wherein the output end of the power adapter is electrically connected to the input end of the voltage stabilizing unit, the output end of the voltage stabilizing unit is electrically connected to the driving component, the voltage stabilizing unit is used to reduce the voltage of the power adapter for use by the driving component, and the detection control unit is electrically connected to the power adapter for controlling the connection or disconnection of the power adapter and the voltage stabilizing unit.

[0019] On the basis of the above technical solution, preferably, the detection control unit 51 includes a connection terminal row P1, a resistor R1, an adjustment potentiometer R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a light emitting diode D1, a phototransistor CGQ1, a comparator U1, a voltage regulator diode D2, a transistor Q1 and a relay JK1, wherein the power adapter is electrically connected to one end of the connection terminal row P1, the other end of the connection terminal row P1 is respectively electrically connected to one end of the resistor R1, a fixed end on one side of the adjustment potentiometer R2, one end of the resistor R3, a positive power supply electrode of the comparator U1 and one end of the resistor R5, the other end of the resistor R1 is electrically connected to the positive electrode of the light emitting diode D1, the adjustment end of the adjustment potentiometer R2 is respectively electrically connected to the same direction output end of the comparator U1 and one end of the resistor R6, the other end of the resistor R3 is respectively electrically connected to the reverse input end of the comparator U1 and the collector of the phototransistor CGQ1, the other end of the resistor R5 is respectively electrically connected to the collector of the transistor Q1. The base of the transistor Q1 is electrically connected to one end of the resistor R4, and the other end of the resistor R4 is electrically connected to the other end of the resistor R6 and the output end of the comparator U1 respectively. The emitter of the transistor Q1 is electrically connected to one end of the coil of the relay JK1 and the negative electrode of the voltage-stabilizing diode D2 respectively. The other end of the connection terminal row P1, the negative electrode of the light-emitting diode D1, the other side fixed end of the adjustment potentiometer R2, the emitter of the phototransistor CGQ1, the positive electrode of the voltage-stabilizing diode D2, the other end of the coil of the relay JK1 and the negative electrode of the power supply of the comparator U1 are commonly grounded. The contacts of the relay JK1 include a first connection contact, a second connection contact and a third connection contact. The first connection contact of the relay JK1 is electrically connected to the input end of the power adapter, the second connection contact of the relay JK1 is open circuit, the third connection contact of the relay JK1 is electrically connected to the input end of the voltage-stabilizing unit, and the first connection contact of the relay JK1 and the second connection contact of the relay JK1 are in a normally closed state.

[0020] On the basis of the above technical scheme, preferably, the voltage stabilizing unit 53 includes a connection terminal row P2, a light emitting diode D4, a resistor R10, a capacitor C4, a capacitor C3, a resistor R9, a resistor R11, a filter L1, a potentiometer RP1, a diode D3, a voltage stabilizing chip U2, a resistor R7, a resistor R8, a capacitor C1 and a capacitor C2, wherein the connection terminal row P2 is electrically connected to the driving component, and pin 2 of the connection terminal row P2 is electrically connected to the resistor R10, the positive electrode of the capacitor C4, the capacitor C3, the resistor R9, the filter L1, the negative electrode of the diode D3, and pins 5 and 6 of the voltage stabilizing chip U2, respectively; the other end of the resistor R10 is electrically connected to the negative electrode of the light emitting diode D4, and pin 1 of the connection terminal row P2 is electrically connected to the positive electrode of the light emitting diode D4 and the positive electrode of the capacitor C4. The negative electrode and the other end of the capacitor C3 are commonly grounded and electrically connected to the other end of the resistor R11. The other end of the resistor R9 is electrically connected to the adjustment end of the potentiometer RP1 and the pin 1 of the voltage stabilizing chip U2, respectively. The pin 2 of the voltage stabilizing chip U2 is electrically connected to one end of the resistor R8. The pin 2 of the voltage stabilizing chip U2 is electrically connected to one end of the resistor R7. The pin 4 of the voltage stabilizing chip U2 is electrically connected to the other end of the resistor R7, the other end of the resistor R8 and one end of the capacitor C1, the positive electrode of the capacitor C2 and the third connecting contact of the relay JK1, respectively. The negative electrode of the capacitor C2 is electrically connected to the other end of the capacitor C1, the pins 7 and 8 of the chip U2, the positive electrode of the diode D3, the fixed end on one side of the potentiometer RP1 and the other end of the resistor R11, and are commonly grounded.

[0021] On the basis of the above technical solution, preferably, the model of the voltage stabilizing chip U2 is AS1015.

[0022] The fire extinguishing device for lithium battery detection of the utility model has the following beneficial effects compared with the prior art:

[0023] (1) The lithium battery is monitored in real time through the detection control module. Once a lithium battery fire is detected, the detection control module will respond quickly and control the flip mechanism to rotate the second placement part, separate the carrier from the first placement part and the second placement part, and then sink the lithium battery to the bottom of the water tank. The water in the water tank will quickly cool the lithium battery and extinguish the fire, effectively preventing the spread of fire and ensuring the safety of personnel and property. The device has a simple structure, is stable and reliable, can operate stably for a long time, and does not require special personnel to take care of it, regular inspection and maintenance, providing users with reliable lithium battery safety protection and improving the safety of lithium battery detection;

[0024] (2) When the carrying plate is placed on the first placement portion and the second placement portion, the lug portion will be accurately embedded in the placement groove to provide a stable supporting force. At the same time, the placement groove matches the lug portion, and the carrying plate cannot move due to gravity under normal circumstances, thereby ensuring the stability of the device;

[0025] (3) The evenly distributed circular holes opened on the support not only reduce the overall weight, but also speed up the water penetration, thus ensuring the effectiveness of lithium battery fire extinguishing. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 This is a first-perspective stereoscopic view of the fire extinguishing device for lithium battery detection of the utility model;

[0028] Figure 2 This is a second perspective stereogram of the fire extinguishing device for lithium battery detection of the utility model;

[0029] Figure 3 It is a three-dimensional diagram of the connection between the first placement part, the second placement part and the bearing structure of the fire extinguishing device for lithium battery detection of the utility model;

[0030] Figure 4 A three-dimensional diagram of the second placement portion of the fire extinguishing device for lithium battery detection of the utility model;

[0031] Figure 5 This is a structural block diagram of a detection control module of a fire extinguishing device for lithium battery detection of the utility model;

[0032] Figure 6 This is a circuit diagram of a detection control unit of a fire extinguishing device for lithium battery detection of the utility model;

[0033] Figure 7 The utility model is a circuit diagram of a voltage stabilizing unit of a fire extinguishing device for lithium battery detection. DETAILED DESCRIPTION

[0034] The following will be combined with the implementation of the utility model to clearly and completely describe the technical solutions in the implementation of the utility model. Obviously, the described implementation is only a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] like Figure 1-7 As shown, a fire extinguishing device for lithium battery detection of the utility model comprises a water tank 1, a turning mechanism 2, a bearing 3, a lithium battery 4 and a detection control module 5.

[0036] Among them, a first placement portion 11 is horizontally arranged in the water tank 1; a flip mechanism 2 is arranged on the water tank 1, and the flip mechanism 2 has a second placement portion 21 that can rotate circumferentially, the second placement portion 21 is located in the water tank 1, and is arranged in parallel with the first placement portion 11 at an interval; the supporting member 3 is placed between the first placement portion 11 and the second placement portion 21, and is arranged at an interval with the inner wall of the water tank 1; the lithium battery 4 is arranged on the supporting member 3; the detection control module 5 is arranged on one side of the water tank 1, and the detection end of the detection control module 5 is arranged opposite to the lithium battery 4, which is used to detect the fire of the lithium battery 4 and control the rotation of the second placement portion 21, so that the supporting member 3 is separated from the first placement portion 11 and the second placement portion 21 and sinks to the bottom of the water tank 1 to extinguish the fire of the lithium battery 4.

[0037] It should be noted that the lithium battery 4 is monitored in real time through the detection control module 5. Once a lithium battery fire is detected, the detection control module 5 will respond quickly and control the flip mechanism 2 to rotate the second placement part 21, separate the carrier 3 from the first placement part 11 and the second placement part 21, and then sink the lithium battery to the bottom of the water tank 1. The water in the water tank 1 will quickly cool the lithium battery 4 and extinguish the fire, effectively preventing the spread of fire and ensuring the safety of personnel and property. The device has a simple structure, is stable and reliable, can operate stably for a long time, and does not require special care, regular inspection and maintenance, which provides users with reliable lithium battery safety protection and improves the safety of lithium battery detection.

[0038] In addition, the water tank 1 is filled with fire extinguishing agent. In this embodiment, the water tank 1 is preferably filled with water, wherein the second placement portion 21 and the first placement portion 11 are both arranged above the liquid surface.

[0039] In this embodiment, the second placement portion 21 and the first placement portion 11 are both rotatably connected in the water tank 1 and rotate in the same direction.

[0040] It should be noted that when the second placement portion 21 rotates and separates from the object carrier 3, the other end of the object carrier 3 rotates as the object carrier 3 tilts, thereby facilitating the same rotational separation between the object carrier 3 and the first placement portion 11, so that the object carrier 3 sinks as a whole to the bottom of the water tank 1.

[0041] In this embodiment, a protrusion 210 is provided on the second placement portion 21, and a plurality of placement grooves 120 are provided on the axially extending surface of the protrusion 210 and the first placement portion 11. The placement grooves 120 abut against different positions of the surface of the carrier 3; when the second placement portion 21 rotates, the protrusion 210 is driven to rotate, thereby changing the height difference between the protrusion 210 and the first placement portion 11.

[0042] It should be noted that, under normal circumstances, the lithium battery 4 and the carrier 3 are supported and fixed by the first placement portion 11 and the second placement portion 21 on both sides. During the fire extinguishing process, when the flipping mechanism 2 is activated, the second placement portion 21 will rotate toward the side away from the first placement portion 11, so that the carrier 3 loses the supporting force of the second placement portion 21, and then the carrier 3 tilts toward the second placement portion 21. When the inclination reaches a certain level, the other side of the carrier 3 slides off the first placement portion 11, and then the carrier 3 is separated from the placement groove 120 of the first placement portion 11 and the second placement portion 21, so that the lithium battery 4 sinks to the bottom of the water tank 1 for fire extinguishing.

[0043] In addition, a plurality of lugs 31 are disposed on both sides of the carrier 3 , and the lugs 31 are arranged at intervals along the axial direction of the first placement portion 11 ; each lug 31 abuts against a corresponding placement groove 120 .

[0044] It should be noted that the first placement portion 11 and the second placement portion 21 are both made of stainless steel, and placement grooves 120 are opened at equidistant positions. The shapes and sizes of these placement grooves 120 match the features of the lugs 31 on the supporting plate 3. When the supporting plate 3 is placed on the first placement portion 11 and the second placement portion 21, the lugs 31 will be accurately embedded in the placement grooves 120 to form a stable limiting structure. At the same time, the side of the supporting plate 3 away from the second placement portion 21 is very close to the inner wall of the sink, which can play a certain limiting role.

[0045] Since the placement groove 120 matches the lug portion 31, the supporting plate 3 cannot move due to gravity under normal circumstances. This setting can keep the supporting plate 3 stable in its initial position even when there is vibration or slight displacement in the external environment, thereby ensuring the stability of the entire device.

[0046] In addition, a plurality of through holes 300 are formed on the carrier 3 , and the plurality of through holes 300 are distributed in a rectangular array.

[0047] It should be noted that a dense via structure is provided on the carrier 3 , which not only reduces the overall weight but also speeds up the water penetration speed, thereby ensuring the effectiveness of extinguishing the fire of the lithium battery 4 .

[0048] In this embodiment, the flip mechanism 2 also includes a driving member 22 and a coupling 23, wherein the driving member 22 is fixed to one side of the water tank 1; and a coupling 23 is coaxially arranged between the output shaft of the driving member 22 and one end of the second placement portion 21, and the driving member 22 drives the second placement portion 21 to rotate circumferentially through the coupling 23.

[0049] Specifically, the driving member 22 in this embodiment is a driving motor.

[0050] The output end of the power adapter 52 in this embodiment is electrically connected to the input end of the voltage stabilizing unit 53, and the output end of the voltage stabilizing unit 53 is electrically connected to the driving component 22. The voltage stabilizing unit 53 is used to reduce the voltage of the power adapter 52 for use by the driving component 22. The detection control unit 51 is electrically connected to the power adapter 52 and is used to control the power adapter 52 to be connected or disconnected with the voltage stabilizing unit 53.

[0051] It should be noted that the detection control module 5 in this embodiment realizes real-time monitoring of the status of the lithium battery 4 and stable control of the fire extinguishing device through the coordinated work of the detection control unit 51, the power adapter 52 and the voltage stabilizing unit 53, which not only improves the safety and reliability of the fire extinguishing device, but also reduces energy consumption and maintenance costs.

[0052] As a preferred implementation, the detection control unit 51 in this embodiment includes a connection terminal row P1, a resistor R1, an adjustment potentiometer R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a light emitting diode D1, a phototransistor CGQ1, a comparator U1, a voltage regulator diode D2, a transistor Q1 and a relay JK1, wherein the power adapter 52 is electrically connected to one end of the connection terminal row P1, the other end of the connection terminal row P1 is respectively electrically connected to one end of the resistor R1, a fixed end on one side of the adjustment potentiometer R2, one end of the resistor R3, a positive power supply electrode of the comparator U1 and one end of the resistor R5, the other end of the resistor R1 is electrically connected to the positive electrode of the light emitting diode D1, the adjustment end of the adjustment potentiometer R2 is respectively electrically connected to the same direction output end of the comparator U1 and one end of the resistor R6, the other end of the resistor R3 is respectively electrically connected to the reverse input end of the comparator U1 and the collector of the phototransistor CGQ1, the other end of the resistor R5 is electrically connected to the collector of the transistor Q1 The base of the transistor Q1 is electrically connected to one end of the resistor R4, and the other end of the resistor R4 is electrically connected to the other end of the resistor R6 and the output end of the comparator U1 respectively. The emitter of the transistor Q1 is electrically connected to one end of the coil of the relay JK1 and the negative electrode of the voltage-stabilizing diode D2 respectively. The other end of the connection terminal row P1, the negative electrode of the light-emitting diode D1, the other side fixed end of the adjustment potentiometer R2, the emitter of the photosensitive transistor CGQ1, the positive electrode of the voltage-stabilizing diode D2, the other end of the coil of the relay JK1 and the negative electrode of the power supply of the comparator U1 are commonly grounded. The contacts of the relay JK1 include a first connection contact, a second connection contact and a third connection contact. The first connection contact of the relay JK1 is electrically connected to the input end of the power adapter 52, the second connection contact of the relay JK1 is open circuit, the third connection contact of the relay JK1 is electrically connected to the input end of the voltage-stabilizing unit 53, and the first connection contact of the relay JK1 and the second connection contact of the relay JK1 are in a normally closed state.

[0053] It should be noted that the power adapter 52 provides 12V voltage for the detection control unit 51 and the voltage stabilizing unit 53. The model of the phototransistor CGQ1 is PT333-3B. The phototransistor CGQ1 collects infrared radiation signals in the environment. This model of phototransistor CGQ1 has high sensitivity to the near-infrared band and is particularly suitable for flame detection. By adjusting the potentiometer R2, the comparator U1 outputs a low level under normal circumstances. When the infrared radiation generated by the flame is received, the reverse input terminal voltage is reduced, and the comparator U1 outputs a high level, thereby driving the transistor Q1 to work. Since Q1 is turned on, the voltage regulator diode D2 obtains a 5V voltage divider, driving the relay JK1 to switch the state, so that the first connection contact and the third connection contact of the relay JK1 are closed, and the power supply of the control driving component 22 works.

[0054] As a preferred embodiment, the voltage stabilizing unit 53 in this embodiment includes a connection terminal row P2, a light emitting diode D4, a resistor R10, a capacitor C4, a capacitor C3, a resistor R9, a resistor R11, a filter L1, a potentiometer RP1, a diode D3, a voltage stabilizing chip U2, a resistor R7, a resistor R8, a capacitor C1 and a capacitor C2, wherein the connection terminal row P2 is electrically connected to the driving member 22, and the pin 2 of the connection terminal row P2 is electrically connected to the resistor R10, the positive electrode of the capacitor C4, the capacitor C3, the resistor R9, the filter L1, the negative electrode of the diode D3, the pin 5 and the pin 6 of the voltage stabilizing chip U2, respectively, the other end of the resistor R10 is electrically connected to the negative electrode of the light emitting diode D4, and the pin 1 of the connection terminal row P2 is electrically connected to the positive electrode of the light emitting diode D4, the capacitor C The negative electrode of 4 and the other end of the capacitor C3 are commonly grounded and electrically connected to the other end of the resistor R11, the other end of the resistor R9 is respectively electrically connected to the adjustment end of the potentiometer RP1 and the pin 1 of the voltage stabilizing chip U2, the pin 2 of the voltage stabilizing chip U2 is electrically connected to one end of the resistor R8, the pin 2 of the voltage stabilizing chip U2 is electrically connected to one end of the resistor R7, the pin 4 of the voltage stabilizing chip U2 is respectively electrically connected to the other end of the resistor R7, the other end of the resistor R8 and one end of the capacitor C1, the positive electrode of the capacitor C2 and the third connecting contact of the relay JK1, the negative electrode of the capacitor C2 is electrically connected to the other end of the capacitor C1, the pin 7 and pin 8 of the chip U2, the positive electrode of the diode D3, the fixed end on one side of the potentiometer RP1 and the other end of the resistor R11, and are commonly grounded.

[0055] It should be noted that the first connection contact and the third connection contact of the relay JK1 are closed, and the power adapter 52 provides a 12V voltage to the voltage stabilizing unit 53. The model of the driving component 22 in this embodiment is MG996R. The MG996R model motor is a two-wire motor driven by a DC voltage, and the operating voltage range is 4.8 to 6.6V. Therefore, it is necessary to use the voltage stabilizing unit 53 for voltage reduction. The model of the voltage stabilizing chip U2 is AS1015. In this embodiment, the AS1015 voltage stabilizing chip is used to achieve DC-DC voltage reduction to ensure that the servo can work stably. After the output part is adjusted and filtered, a 6V voltage is provided to the driving component 22.

[0056] Working principle:

[0057] Under normal circumstances, by adjusting the potentiometer R2, the comparator U1 outputs a low level; when the phototransistor CGQ1 receives the infrared radiation generated by the flame, the phototransistor CGQ1 is turned on, the voltage at the reverse input terminal is reduced, and the comparator U1 outputs a high level, driving the transistor Q1 to work and turn on, and the voltage regulator diode D2 obtains a 5V voltage divider, driving the relay JK1 to switch the state, so that the first connection contact and the third connection contact of the relay JK1 are closed, and the power adapter 52 provides a 12V voltage to the voltage regulator unit 53, and the voltage regulator chip U2 realizes DC-DC step-down, and the output part After adjustment and filtering, a 6V voltage is provided to the driving member 22; the driving member 22 drives the second placement portion 21 to rotate through the coupling 23, and the second placement portion 21 will rotate toward the side away from the first placement portion 11, so that the supporting member 3 loses the supporting force of the second placement portion 21, and then the supporting member 3 tilts toward the second placement portion 21. When the inclination reaches a certain level, the other side of the supporting member 3 slides off the first placement portion 11, and then the supporting member 3 is separated from the placement groove 120 of the first placement portion 11 and the second placement portion 21, so that the lithium battery 4 sinks to the bottom of the water tank 1 for fire extinguishing.

[0058] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fire extinguishing device for lithium battery detection, characterized in that: include: A water tank (1) is provided with a first placement portion (11) arranged horizontally therein; The turning mechanism (2) is arranged on the water tank (1), and the turning mechanism (2) has a second placement portion (21) that can rotate in a circumferential direction, the second placement portion (21) is located in the water tank (1), and is arranged in parallel with the first placement portion (11) at an interval; The carrier (3) is placed between the first placement portion (11) and the second placement portion (21), and is spaced apart from the inner wall of the water tank (1); A lithium battery (4) is disposed on the carrier (3); The detection control module (5) is arranged on one side of the water tank (1), and the detection end of the detection control module (5) is arranged opposite to the lithium battery (4), and is used to detect the fire of the lithium battery (4) and control the rotation of the second placement part (21), so that the bearing member (3) is separated from the first placement part (11) and the second placement part (21) and sinks to the bottom of the water tank (1), thereby extinguishing the fire of the lithium battery (4).

2. The fire extinguishing device for lithium battery detection according to claim 1, characterized in that: The second placement portion (21) and the first placement portion (11) are both rotatably connected in the water tank (1) and have the same rotation direction.

3. The fire extinguishing device for lithium battery detection as claimed in claim 2, characterized in that: The second placement portion (21) is provided with a protruding portion (210), and a plurality of placement grooves (120) are provided on the axially extending surface of the protruding portion (210) and the first placement portion (11), and the placement grooves (120) abut against different positions of the surface of the carrier (3); when the second placement portion (21) rotates, the protruding portion (210) is driven to rotate, thereby changing the height difference between the protruding portion (210) and the first placement portion (11).

4. The fire extinguishing device for lithium battery detection as claimed in claim 3, characterized in that: A plurality of lugs (31) are provided on both sides of the bearing member (3), and the plurality of lugs (31) are arranged at intervals along the axial direction of the first placement portion (11); each lug (31) abuts against a corresponding placement groove (120).

5. The fire extinguishing device for lithium battery detection as claimed in claim 4, characterized in that: The carrier (3) is provided with a plurality of through holes (300), and the plurality of through holes (300) are distributed in a rectangular array.

6. The fire extinguishing device for lithium battery detection according to claim 1, characterized in that: The turnover mechanism (2) further comprises a driving member (22) and a coupling (23), wherein: The driving member (22) is fixed on one side of the water tank (1); and a coupling (23) is coaxially arranged between the output shaft of the driving member (22) and one end of the second placement portion (21); the driving member (22) drives the second placement portion (21) to rotate in a circumferential direction via the coupling (23).

7. The fire extinguishing device for lithium battery detection according to claim 6, characterized in that: The detection control module (5) comprises a detection control unit (51), a power adapter (52) and a voltage stabilizing unit (53), wherein the output end of the power adapter (52) is electrically connected to the input end of the voltage stabilizing unit (53), the output end of the voltage stabilizing unit (53) is electrically connected to the driving member (22), the voltage stabilizing unit (53) is used to reduce the voltage of the power adapter (52) for use by the driving member (22), and the detection control unit (51) is electrically connected to the power adapter (52) and is used to control the connection or disconnection between the power adapter (52) and the voltage stabilizing unit (53).

8. The fire extinguishing device for lithium battery detection according to claim 7, characterized in that: The detection control unit (51) comprises a connection terminal row P1, a resistor R1, an adjustment potentiometer R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a light emitting diode D1, a phototransistor CGQ1, a comparator U1, a voltage regulator diode D2, a transistor Q1 and a relay JK1, wherein the power adapter (52) is electrically connected to one end of the connection terminal row P1, and the other end of the connection terminal row P1 is respectively connected to one end of the resistor R1 and a fixed end on one side of the adjustment potentiometer R2. , one end of the resistor R3, the positive power supply electrode of the comparator U1 and one end of the resistor R5 are electrically connected, the other end of the resistor R1 is electrically connected to the positive electrode of the light-emitting diode D1, the adjustment end of the adjustment potentiometer R2 is electrically connected to the same-direction output end of the comparator U1 and one end of the resistor R6 respectively, the other end of the resistor R3 is electrically connected to the reverse input end of the comparator U1 and the collector of the phototransistor CGQ1 respectively, the other end of the resistor R5 is electrically connected to the collector of the transistor Q1, and the transistor Q1 The base of the resistor R4 is electrically connected to one end of the resistor R4, the other end of the resistor R4 is electrically connected to the other end of the resistor R6 and the output end of the comparator U1 respectively, the emitter of the transistor Q1 is electrically connected to one end of the coil of the relay JK1 and the negative electrode of the voltage-stabilizing diode D2 respectively, the other end of the connection terminal row P1, the negative electrode of the light-emitting diode D1, the other side fixed end of the adjustment potentiometer R2, the emitter of the photosensitive transistor CGQ1, the positive electrode of the voltage-stabilizing diode D2, the other end of the coil of the relay JK1 and the negative electrode of the power supply of the comparator U1 are commonly grounded, the contacts of the relay JK1 include a first connection contact, a second connection contact and a third connection contact, the first connection contact of the relay JK1 is electrically connected to the input end of the power adapter (52), the second connection contact of the relay JK1 is open circuit, the third connection contact of the relay JK1 is electrically connected to the input end of the voltage-stabilizing unit (53), and the first connection contact of the relay JK1 and the second connection contact of the relay JK1 are normally closed.

9. The fire extinguishing device for lithium battery detection as claimed in claim 8, characterized in that: The voltage stabilizing unit (53) comprises a connection terminal row P2, a light emitting diode D4, a resistor R10, a capacitor C4, a capacitor C3, a resistor R9, a resistor R11, a filter L1, a potentiometer RP1, a diode D3, a voltage stabilizing chip U2, a resistor R7, a resistor R8, a capacitor C1 and a capacitor C2, wherein the connection terminal row P2 is electrically connected to the driving component (22), a pin 2 of the connection terminal row P2 is electrically connected to the resistor R10, the positive electrode of the capacitor C4, the capacitor C3, the resistor R9, the filter L1, the negative electrode of the diode D3, and pins 5 and 6 of the voltage stabilizing chip U2, respectively, the other end of the resistor R10 is electrically connected to the negative electrode of the light emitting diode D4, and a pin 1 of the connection terminal row P2 is electrically connected to the positive electrode of the light emitting diode D4, the negative electrode of the capacitor C4 and the capacitor C2. The other end of C3 is commonly grounded and electrically connected to the other end of the resistor R11. The other end of the resistor R9 is electrically connected to the adjustment end of the potentiometer RP1 and the pin 1 of the voltage stabilizing chip U2, respectively. The pin 2 of the voltage stabilizing chip U2 is electrically connected to one end of the resistor R8. The pin 2 of the voltage stabilizing chip U2 is electrically connected to one end of the resistor R7. The pin 4 of the voltage stabilizing chip U2 is electrically connected to the other end of the resistor R7, the other end of the resistor R8 and one end of the capacitor C1, the positive electrode of the capacitor C2 and the third connecting contact of the relay JK1, respectively. The negative electrode of the capacitor C2 is electrically connected to the other end of the capacitor C1, the pins 7 and 8 of the chip U2, the positive electrode of the diode D3, the fixed end on one side of the potentiometer RP1 and the other end of the resistor R11, and is commonly grounded.

10. The fire extinguishing device for lithium battery detection according to claim 9, characterized in that: The model of the voltage regulator chip U2 is AS1015.

Images