Multistage protection charging device

Abstract

The utility model provides a multistage protection charging device, and relates to the technical field of battery charging safety. The multi-stage protection charging device comprises a charging cabinet; the plurality of rechargeable batteries are used for supplying power to users; the temperature detector is used for detecting the battery temperature of each rechargeable battery; the microcomputer control module is in signal connection with the temperature detector, sends a low-temperature instruction to the low-temperature fire extinguishing assembly if any received battery temperature is between the first temperature value and the second temperature value, and sends a high-temperature instruction to the high-temperature fire extinguishing assembly if any received battery temperature is higher than the second temperature value; the low-temperature fire extinguishing assembly is used for spraying a first fire extinguishing agent to the rechargeable battery according to the low-temperature instruction; the high-temperature fire extinguishing assembly is used for spraying a second fire extinguishing agent to the rechargeable battery according to the high-temperature instruction. According to the multi-stage protection charging device, the problem that in the prior art, battery combustion is difficult to extinguish quickly when a battery is combusted is solved, the use safety of the rechargeable battery is ensured, and the service life of the rechargeable battery is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of battery charging safety, and in particular to a multi-level protection charging device. Background Art

[0002] Some equipment in the factory needs to be charged frequently to ensure that the equipment can obtain energy supply normally. However, the rechargeable batteries installed in the factory lack a reasonable and safe location for unified placement, and the charging lines are crisscrossed, which can easily cause safety accidents, especially in areas where rechargeable batteries are concentrated. Once a rechargeable battery is in danger of burning, it will quickly affect the surrounding rechargeable batteries. In actual applications, the fire extinguishing components installed around the rechargeable batteries are limited. Once the rechargeable batteries burn, it is difficult to quickly extinguish the fire.

[0003] Therefore, there is an urgent need for a charging device to solve at least one of the above problems. Utility Model Content

[0004] The purpose of the embodiment of the utility model is to provide a multi-stage protective charging device, which is used to solve the problem in the prior art that it is difficult to quickly extinguish the battery fire when the battery fire occurs.

[0005] In order to achieve the above-mentioned object, the embodiment of the utility model provides a multi-stage protection charging device, and the multi-stage protection charging device comprises:

[0006] Charging cabinet;

[0007] A plurality of rechargeable batteries are arranged in the charging cabinet and are used to supply power to users;

[0008] A temperature detector is arranged in the charging cabinet and is used to detect the battery temperature of each rechargeable battery;

[0009] A microcomputer control module is arranged on the charging cabinet and is connected to the temperature detector signal. If any battery temperature received is between the first temperature value and the second temperature value, a low temperature instruction is sent to the low temperature fire extinguishing component. If any battery temperature received is above the second temperature value, a high temperature instruction is sent to the high temperature fire extinguishing component.

[0010] The low-temperature fire extinguishing component is arranged in the charging cabinet and is used to spray the first fire extinguishing agent to the used rechargeable battery according to the low-temperature instruction;

[0011] The high-temperature fire extinguishing component is arranged in the charging cabinet and is used to spray the second fire extinguishing agent to all rechargeable batteries according to the high-temperature instruction.

[0012] Specifically, the low-temperature fire extinguishing component is a suspended dry powder fire extinguisher.

[0013] Specifically, the high temperature fire extinguishing component is a water spray device.

[0014] Specifically, the high temperature fire extinguishing assembly includes: a water storage tank, a water pipe and a plurality of sprinkler heads;

[0015] The water storage tank is arranged on the top of the charging cabinet and is used to store liquid water;

[0016] A plurality of spray heads are arranged in the charging cabinet, connected to the water tank through water pipes, and are used for spraying liquid water to the rechargeable batteries.

[0017] Specifically, the multi-stage protection charging device also includes: a protection box, which is arranged in the charging cabinet, and a plurality of rechargeable batteries are arranged in the charging cabinet through the protection box.

[0018] Specifically, the multi-stage protection charging device also includes: a cooling fan, which is arranged in the charging cabinet and is used to blow air to the rechargeable battery to cool the rechargeable battery.

[0019] Specifically, the charging cabinet is provided with a plurality of heat dissipation holes, and the rechargeable batteries dissipate heat through the heat dissipation holes.

[0020] Specifically, the multi-level protection charging device also includes: an alarm, which is arranged on the charging cabinet and is connected to the microcomputer control module signal, and is used to issue a corresponding alarm prompt according to the low temperature instruction or the high temperature instruction.

[0021] Specifically, the multi-stage protection charging device also includes: a leakage protection switch electrically connected to the rechargeable battery.

[0022] Specifically, the multi-level protection charging device also includes: a plurality of silent universal wheels, which are arranged at the near-ground end of the charging cabinet.

[0023] The multi-level protection charging device provided by the utility model arranges the rechargeable battery in the charging cabinet, arranges a temperature detector to detect the battery temperature of the rechargeable battery, and transmits the detected battery temperature to a microcomputer control module, the microcomputer control module determines the temperature range of the received battery temperature, when the battery temperature is between a first temperature value and a second temperature value, the microcomputer control module sends a low temperature instruction to a low temperature fire extinguishing component, and the low temperature fire extinguishing component sprays a first fire extinguishing agent to the rechargeable battery according to the low temperature fire extinguishing instruction, when the battery temperature is above the second temperature value, the microcomputer control module sends a high temperature instruction to the high temperature fire extinguishing component, and the high temperature fire extinguishing component sprays a second fire extinguishing agent to the rechargeable battery according to the high temperature fire extinguishing instruction, performs targeted processing on the possible combustion hazard level of the rechargeable battery according to the battery temperature of the rechargeable battery, can quickly extinguish the fire when the rechargeable battery burns, solves the problem in the prior art that it is difficult to quickly extinguish the battery burning when the battery burns, ensures the use safety of the rechargeable battery and prolongs the life of the rechargeable battery.

[0024] Other features and advantages of the embodiments of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings are used to provide a further understanding of the embodiments of the present utility model and constitute a part of the specification. Together with the following specific implementations, they are used to explain the embodiments of the present utility model, but do not constitute a limitation on the embodiments of the present utility model. In the accompanying drawings:

[0026] Figure 1 It is a structural schematic diagram of a multi-stage protective charging device provided by an embodiment of the utility model;

[0027] Figure 2 It is a left view of the multi-stage protection charging device provided by an embodiment of the utility model;

[0028] Figure 3 It is a right view of the multi-stage protective charging device provided by an embodiment of the utility model.

[0029] Description of Reference Numerals

[0030] 1- Charging cabinet; 2- Rechargeable battery; 3- Temperature detector; 4- Microcomputer control module; 5- Low temperature fire extinguishing component; 6- High temperature fire extinguishing component; 7- Protection box; 8- Cooling fan; 9- Leakage protector; 10- Silent universal wheel; 11- Heat dissipation hole; 61- Water tank; 62- Sprinkler head. DETAILED DESCRIPTION

[0031] The specific implementation of the embodiment of the utility model is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model.

[0032] Figure 1 It is a schematic diagram of the structure of a multi-stage protection charging device; Figure 2 It is a left view of the multi-stage protection charging device; Figure 3 It is the right view of the multi-stage protection charging device.

[0033] like Figure 1-Figure 3 As shown, the utility model provides a multi-stage protection charging device, and the multi-stage protection charging device includes:

[0034] Charging cabinet 1;

[0035] A plurality of rechargeable batteries 2 are arranged in the charging cabinet 1 and are used to supply power to users;

[0036] A temperature detector 3 is arranged in the charging cabinet 1 and is used to detect the battery temperature of each rechargeable battery 2;

[0037] The microcomputer control module 4 is arranged on the charging cabinet 1 and is connected to the temperature detector 3 by signal. If any battery temperature received is between the first temperature value and the second temperature value, a low temperature instruction is sent to the low temperature fire extinguishing component 5. If any battery temperature received is above the second temperature value, a high temperature instruction is sent to the high temperature fire extinguishing component 6.

[0038] The low-temperature fire extinguishing component 5 is arranged in the charging cabinet 1 and is used to spray the first fire extinguishing agent to all rechargeable batteries 2 according to the low-temperature instruction;

[0039] The high-temperature fire extinguishing component 6 is arranged in the charging cabinet 1 and is used to spray the second fire extinguishing agent to all rechargeable batteries 2 according to the high-temperature instruction.

[0040] The multi-level protection charging device provided by the utility model places multiple groups of rechargeable batteries 2 in the charging cabinet 1 to supply power to the user. The rechargeable batteries 2 are collected in a centralized manner through the charging cabinet 1 to prevent the rechargeable batteries 2 from being randomly placed. In order to ensure the safety of the use of the rechargeable batteries 2, a low-temperature fire extinguishing component 5 and a high-temperature fire extinguishing component 6 are arranged in the charging cabinet 1. The microcomputer control module 4 receives the battery temperature of the rechargeable battery 2 detected by the temperature detector 3 and determines the range of the battery temperature. When the battery temperature is between the first temperature value and the second temperature value, the microcomputer control module 4 sends a low-temperature instruction to the low-temperature fire extinguishing component 5, and the low-temperature fire extinguishing component 5 performs the low-temperature fire extinguishing according to the low-temperature fire extinguishing. The instruction sprays the first fire extinguishing agent to the rechargeable battery 2. When the battery temperature is above the second temperature value, the microcomputer control module 4 sends a high-temperature instruction to the high-temperature fire extinguishing component 6. The high-temperature fire extinguishing component 6 sprays the second fire extinguishing agent to the rechargeable battery according to the high-temperature fire extinguishing instruction. The first temperature value is 68°C and the second temperature value is 93°C. In this way, targeted treatment is performed on the danger level that may be caused by the rechargeable battery 2 at different battery temperatures, which can better prevent the possible combustion of the rechargeable battery 2 and quickly extinguish the fire caused by the combustion of the rechargeable battery 2, thereby solving the problem in the prior art that it is difficult to quickly extinguish the battery combustion when the battery is burning.

[0041] The cabinet body of the charging cabinet 1 is spliced ​​with cold-rolled steel plates, and electrostatic powder is sprayed on the surface of the cold-rolled steel plates to prevent the cabinet body from rusting. Partitions are laid inside the charging cabinet 1 in contact with the inner wall of the cabinet body. The partitions are made of ABS engineering plastics. Other connectors inside the charging cabinet 1 can also be made of ABS engineering plastics, which can reduce rust and static electricity on the cabinet body.

[0042] In one embodiment, Figure 1 As shown, the low-temperature fire extinguishing assembly 5 is a hanging dry powder fire extinguisher.

[0043] Specifically, the high temperature fire extinguishing component 6 is a water spraying device.

[0044] Specifically, the high temperature fire extinguishing assembly 6 includes: a water storage tank 61, a water pipe and a plurality of sprinkler heads 62;

[0045] The water storage tank 61 is arranged on the top of the charging cabinet 1 and is used to store liquid water;

[0046] A plurality of spray heads 62 are disposed in the charging cabinet 1 , connected to the water storage tank 61 via a water pipe, and are used to spray liquid water onto the rechargeable battery 2 .

[0047] A plurality of rechargeable batteries 2 are arranged at the bottom of the charging cabinet 1, a high-temperature fire extinguishing assembly 6 is arranged at the top of the charging cabinet 1, a low-temperature fire extinguishing assembly 5 is arranged between the high-temperature fire extinguishing assembly 6 and the rechargeable batteries 2, a temperature detector 3 detects the battery temperature of each rechargeable battery 2 in real time and sends it to the microcomputer control module 4, when the microcomputer control module 4 determines that any battery temperature is between a first temperature value and a second temperature value, the microcomputer control module 4 sends a low-temperature instruction to the low-temperature fire extinguishing assembly 5, the low-temperature fire extinguishing assembly 5 is a suspended dry powder fire extinguisher, spraying powder to all rechargeable batteries 2 to prevent the rechargeable batteries 2 from burning, when the microcomputer control module 4 determines that the battery temperature is above the second temperature value, a plurality of sprinkler heads 62 connected to the water tank 61 spray liquid water to all rechargeable batteries 2, the sprinkler head 62 is a high-temperature fire sprinkler head, and the liquid water sprayed by the sprinkler head 62 prevents the rechargeable batteries 2 from burning.

[0048] In order to prevent the liquid water sprayed onto the rechargeable battery 2 from causing the battery solution in the rechargeable battery 2 to flow out of the charging cabinet 1 and cause environmental pollution when the rechargeable battery 2 is burned, the multi-stage protection charging device further includes: a protection box 7, which is arranged in the charging cabinet 1, and multiple rechargeable batteries 2 are arranged in the charging cabinet 1 through the protection box 7. Figure 1 As shown, the rechargeable battery 2 is placed in a protective box 7. The volume of the protective box 7 is larger than that of the rechargeable battery 2. Even if the battery solution leaks when the rechargeable battery 2 burns, the liquid water sprayed by the high-temperature fire extinguishing component 6 to the rechargeable battery will be concentrated in the protective box 7 together with the battery solution, thereby avoiding leakage of the battery solution.

[0049] In order to cool the rechargeable battery 2 when the rechargeable battery 2 is working, the multi-stage protection charging device also includes: a cooling fan 8, which is arranged in the charging cabinet 1 and is used to blow air to the rechargeable battery 2 to cool the rechargeable battery 2.

[0050] The charging cabinet 1 is provided with a plurality of heat dissipation holes 11 , through which the rechargeable battery 2 dissipates heat.

[0051] like Figure 2 and Figure 3As shown, heat dissipation holes 11 and mounting holes for cooling fans 8 are respectively opened on two opposite cabinet panels of the charging cabinet 1. Air is supplied to the rechargeable batteries 2 in the charging cabinet 1 through the cooling fan 8, which can quickly drive the heat emitted by the rechargeable batteries 2 to dissipate from the heat dissipation holes 11, accelerate the cooling speed of the rechargeable batteries 2, and improve the charging efficiency of the rechargeable batteries 2.

[0052] When the temperature of the rechargeable battery 2 rises, in order to remind the staff to pay attention to the temperature change of the rechargeable battery 2 in time and take precautions in advance, the multi-level protection charging device also includes: an alarm, which is arranged on the charging cabinet 1 and is connected to the microcomputer control module 4 by signal, and is used to issue a corresponding alarm prompt according to the low temperature instruction or the high temperature instruction. For example, when the alarm receives a low temperature instruction, it issues a corresponding alarm music according to the low temperature instruction, and when it receives a high temperature instruction, it responds to another corresponding alarm music according to the high temperature instruction, so as to remind the staff to deal with the possible combustion of the rechargeable battery 2 in time through different alarm music.

[0053] In order to protect the safety of the rechargeable battery 2, the multi-level protection charging device further includes: a leakage protector 9, which is electrically connected to the rechargeable battery 2. When a leakage fault occurs in the connection circuit between the rechargeable battery 2 and the user, the leakage protector 9 protects the safety of the rechargeable battery 2 and the user.

[0054] In order to facilitate the movement of the charging cabinet 1 to any designated position, the multi-level protection charging device further includes: a plurality of silent universal wheels 10, which are arranged at the ground end of the charging cabinet 1. The silent universal wheels 10 arranged on the charging cabinet 1 improve the mobility of the charging cabinet 1, and even when the rechargeable battery 2 is on fire, the charging cabinet 1 can be driven away from people and flammable places to prevent the spread of fire.

[0055] The multi-level protection charging device provided by the utility model arranges the rechargeable battery in the charging cabinet, arranges a temperature detector to detect the battery temperature of the rechargeable battery, and transmits the detected battery temperature to a microcomputer control module, the microcomputer control module determines the temperature range of the received battery temperature, when the battery temperature is between a first temperature value and a second temperature value, the microcomputer control module sends a low temperature instruction to a low temperature fire extinguishing component, and the low temperature fire extinguishing component sprays a first fire extinguishing agent to the rechargeable battery according to the low temperature fire extinguishing instruction, when the battery temperature is above the second temperature value, the microcomputer control module sends a high temperature instruction to the high temperature fire extinguishing component, and the high temperature fire extinguishing component sprays a second fire extinguishing agent to the rechargeable battery according to the high temperature fire extinguishing instruction, performs targeted processing on the possible combustion hazard level of the rechargeable battery according to the battery temperature of the rechargeable battery, can quickly extinguish the fire when the rechargeable battery burns, solves the problem in the prior art that it is difficult to quickly extinguish the battery burning when the battery burns, ensures the use safety of the rechargeable battery and prolongs the life of the rechargeable battery.

[0056] The optional implementation modes of the embodiments of the utility model are described in detail above in conjunction with the accompanying drawings. However, the embodiments of the utility model are not limited to the specific details in the above implementation modes. Within the technical concept of the embodiments of the utility model, the technical scheme of the embodiments of the utility model can be subjected to various simple modifications, and these simple modifications all belong to the protection scope of the embodiments of the utility model.

[0057] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. To avoid unnecessary repetition, the embodiments of the utility model will not further describe various possible combinations.

[0058] Those skilled in the art can understand that all or part of the steps in the above-mentioned embodiment method can be completed by instructing the relevant hardware through a program, and the program is stored in a storage medium, including a number of instructions to enable a single-chip microcomputer, a chip or a processor to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk and other media that can store program codes.

[0059] In addition, various implementations of the embodiments of the present utility model can also be arbitrarily combined, as long as they do not violate the concept of the embodiments of the present utility model, they should also be regarded as the contents disclosed in the embodiments of the present utility model.

Claims

1. A multi-level protection charging device, characterized in that: The multi-stage protection charging device comprises: Charging cabinet (1); A plurality of rechargeable batteries (2) are arranged in the charging cabinet (1) and are used to supply power to users; A temperature detector (3) is arranged in the charging cabinet (1) and is used to detect the battery temperature of each rechargeable battery (2); A microcomputer control module (4) is arranged on the charging cabinet (1) and is connected to the temperature detector (3) by signal. If any received battery temperature is between the first temperature value and the second temperature value, a low temperature instruction is sent to the low temperature fire extinguishing component (5); if any received battery temperature is above the second temperature value, a high temperature instruction is sent to the high temperature fire extinguishing component (6); The low-temperature fire extinguishing component (5) is arranged in the charging cabinet (1) and is used to spray the first fire extinguishing agent to all rechargeable batteries (2) according to the low-temperature instruction; The high-temperature fire extinguishing component (6) is arranged in the charging cabinet (1) and is used to spray the second fire extinguishing agent to all rechargeable batteries (2) according to the high-temperature instruction.

2. The multi-stage protective charging device according to claim 1, characterized in that: The low-temperature fire extinguishing component (5) is a hanging dry powder fire extinguisher.

3. The multi-stage protective charging device according to claim 1, characterized in that: The high temperature fire extinguishing component (6) is a water spraying device.

4. The multi-stage protective charging device according to claim 3, characterized in that: The high temperature fire extinguishing assembly (6) comprises: a water storage tank (61), a water pipe and a plurality of sprinkler heads (62); The water storage tank (61) is arranged on the top of the charging cabinet (1) and is used to store liquid water; A plurality of spray heads (62) are arranged in the charging cabinet (1), connected to the water storage tank (61) via a water pipe, and are used to spray liquid water onto the rechargeable battery (2).

5. The multi-stage protective charging device according to claim 1, characterized in that: The multi-stage protective charging device further comprises: a protection box (7) arranged in the charging cabinet (1), and a plurality of rechargeable batteries (2) are arranged in the charging cabinet (1) through the protection box (7).

6. The multi-stage protective charging device according to claim 1, characterized in that: The multi-stage protection charging device further comprises: a cooling fan (8), which is arranged in the charging cabinet (1) and is used to blow air toward the rechargeable battery (2) to cool the rechargeable battery (2).

7. The multi-stage protection charging device according to claim 1, characterized in that: The charging cabinet (1) is provided with a plurality of heat dissipation holes (11), and the rechargeable battery (2) dissipates heat through the heat dissipation holes (11).

8. The multi-stage protection charging device according to claim 1, characterized in that: The multi-level protection charging device also includes: an alarm, which is arranged on the charging cabinet (1) and is connected to the microcomputer control module (4) by signal, and is used to issue a corresponding alarm prompt according to the low temperature instruction or the high temperature instruction.

9. The multi-stage protection charging device according to claim 1, characterized in that: The multi-stage protection charging device also includes: a leakage protector (9) electrically connected to the rechargeable battery (2).

10. The multi-stage protection charging device according to claim 1, characterized in that: The multi-stage protection charging device further comprises: a plurality of silent universal wheels (10), which are arranged at the near-ground end of the charging cabinet (1).

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