A power battery cover plate pole insulating sleeve and a power battery cover plate structure

By designing the pole insulating sleeve and fire-fighting mechanism in the power battery cover, and automatically extinguishing the fire with sensors and motor drives, the safety hazards of the power battery cover are solved when the fire occurs, and the rapid and effective fire-fighting is achieved, which enhances the battery system. Safety and reliability.

CN118712683BActive Publication Date: 2024-12-27LIYANG CITY LISHI AUTOMOBILE ACCESSORIES MFR
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Patent Information

Application Number
CN202410923497.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2024-12-27
Estimated Expiration
2044-07-10

AI Technical Summary

Technical Problem

The power battery cover lacks automatic fire fighting technology when it catches fire, which leads to the spread of the fire and poses safety hazards.

Method used

A power battery cover plate pole insulating sleeve and structure is designed, including battery cover plate, pole insulating sleeve, mobile seat, battery fire fighting mechanism and transmission mechanism. The fire situation is monitored in real time through sensors, and the fire fighting mechanism and ball valve are automatically driven by a motor. Inject dry powder to extinguish the fire.

Benefits of technology

It realizes rapid control of flame spread when the battery catches fire, reduces losses and hazards, enhances the safety and reliability of the battery system, and simplifies maintenance and operation processes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the technical field of power battery cover plates, and in particular to a power battery cover plate pole insulating sleeve and a power battery cover plate structure, comprising a battery cover plate, a power battery is fixedly mounted on the bottom of the battery cover plate, two mounting sleeves are connected and fixedly penetrated on the battery cover plate, a pole insulating sleeve is slidably fitted in the mounting sleeve, a movable seat is slidably fitted in the battery cover plate, a battery fire protection mechanism is connected and fixed on the movable seat, a transmission mechanism is connected and fixed in the battery cover plate, a ball valve is fixedly mounted in the battery cover plate, and two poles are fixedly mounted on the power battery. During the use of the power battery cover plate, the battery condition is monitored in real time by a sensor, and when it is detected that the battery is on fire, the battery fire protection mechanism is used to quickly control the spread of the flame, which helps to reduce the losses and harm caused by the fire.
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Description

Technical Field

[0001] The present invention relates to the technical field of power battery cover plates, and in particular to a power battery cover plate pole insulating sleeve and a power battery cover plate structure. Background Art

[0002] The power battery cover is an important component of electric vehicles, used to wrap and protect the battery module and its connecting parts. The power battery cover pole insulation sleeve is one of the important components used in electric vehicles or hybrid vehicles. Its main function is to provide electrical insulation and protection in the power battery system.

[0003] During the use of power batteries, incorrect battery operation or abnormalities inside the battery may cause the battery to catch fire. Since traditional power battery covers are not convenient for immediate firefighting of burning batteries, the fire may spread and cause safety hazards.

[0004] In summary, the prior art lacks a technology for automatically extinguishing a fire when a battery catches fire for a certain power battery cover. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings existing in the background technology and to propose a power battery cover plate pole insulating sleeve and a power battery cover plate structure.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is: a power battery cover plate pole insulating sleeve and a power battery cover plate structure, including a battery cover plate, a power battery is installed and fixed at the bottom of the battery cover plate, two mounting sleeves are connected and fixed through the battery cover plate, a pole insulating sleeve is slidably fitted in the mounting sleeve, a movable seat is slidably fitted in the battery cover plate, a battery fire protection mechanism is connected and fixed on the movable seat, a transmission mechanism is connected and fixed in the battery cover plate, a ball valve is installed and fixed in the battery cover plate, and two poles are installed and fixed on the power battery.

[0007] Preferably, a spring is connected and fixed between the bottom end of the pole insulating sleeve and the mounting sleeve, a protective cover is rotatably connected to the opening of the upper end of the pole insulating sleeve, one end of the protective cover is connected and fixed to a universal joint, the bottom end of the universal joint passes through the inner wall of the pole insulating sleeve to the outside and is connected and fixed to a transmission wheel, and a pressing block is connected and fixed to one side of the pole insulating sleeve.

[0008] Preferably, a rack is connected and fixed to the inner wall of one side of the mounting sleeve, and the rack is meshed with the transmission wheel for transmission.

[0009] Preferably, a storage cavity is opened in one end of the battery cover plate, an injection tube is connected and fixed to the input end of the storage cavity, and a sealing cap is threadedly connected to the outer end of the injection tube.

[0010] Preferably, the bottom of the movable seat is rotatably connected to two connecting rod groups, and the other ends of the connecting rod groups are rotatably connected to the inner wall of the battery cover plate, and a worm gear is fixedly connected to the bottom end of one of the connecting rod groups.

[0011] Preferably, a motor A is fixedly mounted on the movable seat, and a driving wheel is fixedly connected to the output end of the motor A.

[0012] Preferably, the battery fire fighting mechanism includes a fixed tube, which is connected and fixed to the movable seat, a rotating tube is connected and fixed to the fixed tube, a hollow frame is connected and fixed to the rotating tube, a plurality of nozzles are connected and fixed to the hollow frame, a driven wheel is connected and fixed to the rotating tube, and the driven wheel is meshed and transmission-arranged with the driving wheel.

[0013] Preferably, the transmission mechanism includes a motor B, which is connected and fixed to the inner wall of the battery cover, a worm is connected and fixed to the output end of the motor B, the worm is meshed with a worm wheel for transmission, and an adjusting wheel is connected and fixed to the other end of the worm.

[0014] Preferably, a valve core is rotatably connected inside the ball valve, a valve stem is connected and fixed to the valve core, an opening and closing wheel is connected and fixed to the outer end of the valve stem, the opening and closing wheel is meshed with the adjusting wheel for transmission, the input end of the ball valve is connected to the storage chamber through a connecting pipe, and a hose is connected and fixed to the output end of the ball valve, and the other end of the hose is connected and fixed to a fixed pipe.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] During the use of the power battery cover, the battery status is monitored in real time through sensors. When a fire is detected in the battery, the battery fire-fighting mechanism is used to quickly control the spread of the flame, which helps to reduce the losses and harm caused by the fire.

[0017] By setting up a transmission mechanism, the battery fire fighting mechanism can be removed for use, and the ball valve can be automatically opened and closed, so that the high-pressure gas in the storage chamber can inject dry powder into the battery fire fighting mechanism for automatic fire fighting and extinguishing;

[0018] By providing movable pole insulation sleeves and protective covers, effective protection and isolation functions are provided for the poles, which not only enhances the safety and reliability of the battery system, but also simplifies the maintenance and operation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic cross-sectional view of a power battery cover plate pole insulating sleeve and a power battery cover plate structure of the present invention;

[0020] Figure 2 It is a cross-sectional expansion schematic diagram of a power battery cover structure of a power battery cover pole insulating sleeve and a power battery cover structure of the present invention;

[0021] Figure 3 It is a cross-sectional schematic diagram of a power battery cover plate pole insulating sleeve and a mounting sleeve of a power battery cover plate structure and a pole insulating sleeve structure of the present invention;

[0022] Figure 4 The present invention provides a power battery cover plate pole insulating sleeve and a power battery cover plate structure Figure 3 A schematic diagram of the structure enlargement at point A;

[0023] Figure 5 It is a schematic diagram of a structure of a power battery cover plate pole insulating sleeve and a moving seat and a transmission mechanism of a power battery cover plate structure of the present invention;

[0024] Figure 6 It is a schematic cross-sectional view of a battery fire protection mechanism structure of a power battery cover plate pole insulating sleeve and a power battery cover plate structure of the present invention;

[0025] Figure 7 It is a cross-sectional schematic diagram of a ball valve structure of a power battery cover plate pole insulating sleeve and a power battery cover plate structure of the present invention;

[0026] Figure 8 It is a schematic diagram of a power battery cover plate pole insulating sleeve and a power battery cover plate structure before installation and use of the structure of the present invention.

[0027] 1. Battery cover; 2. Power battery; 3. Installation sleeve; 4. Pole insulation sleeve; 5. Moving seat; 6. Battery fire protection mechanism; 7. Transmission mechanism; 8. Ball valve; 9. Pole; 401. Spring; 402. Protective cover; 403. Universal joint; 404. Transmission wheel; 405. Press block; 301. Rack; 101. Storage chamber; 102. Injection pipe; 103. Sealing cover; 501. Connecting rod group; 502. Worm gear; 503. Motor A; 504. Driving wheel; 601. Fixed pipe; 602. Rotating pipe; 603. Hollow frame; 604. Sprinkler; 605. Driven wheel; 701. Motor B; 702. Worm; 703. Adjusting wheel; 801. Valve core; 802. Valve stem; 803. Opening and closing wheel; 804. Connecting pipe; 805. Hose. DETAILED DESCRIPTION

[0028] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0029] like Figure 1-Figure 8A power battery cover plate pole insulating sleeve and a power battery cover plate structure shown in the figure include a battery cover plate 1, a power battery 2 is installed and fixed at the bottom of the battery cover plate 1, two mounting sleeves 3 are connected and fixed through the battery cover plate 1, a pole insulating sleeve 4 is slidably fitted in the mounting sleeve 3, a movable seat 5 is slidably fitted in the battery cover plate 1, a battery fire protection mechanism 6 is connected and fixed on the movable seat 5, a transmission mechanism 7 is connected and fixed in the battery cover plate 1, a ball valve 8 is installed and fixed in the battery cover plate 1, and two poles 9 are installed and fixed on the power battery 2.

[0030] like Figure 3 , Figure 4 As shown, a spring 401 is connected and fixed between the bottom end of the pole insulating sleeve 4 and the mounting sleeve 3, a protective cover 402 is rotatably connected and provided at the opening of the upper end of the pole insulating sleeve 4, a universal joint 403 is connected and fixed at one end of the protective cover 402, the bottom end of the universal joint 403 passes through the inner wall of the pole insulating sleeve 4 to extend to the outside and is connected and fixed with a transmission wheel 404, and a pressing block 405 is connected and fixed at one side of the pole insulating sleeve 4. The spring 401 realizes the telescopic activity of the pole insulating sleeve 4.

[0031] A rack 301 is connected and fixed to the inner wall of one side of the mounting sleeve 3, and the rack 301 is meshed with the transmission wheel 404 for transmission. The rack 301 realizes the automatic opening and closing of the protective cover 402.

[0032] like Figure 2 As shown, a storage chamber 101 is provided in one end of the battery cover 1, and an injection pipe 102 is connected and fixed to the input end of the storage chamber 101, and a sealing cap 103 is threadedly connected to the outer end of the injection pipe 102. The storage chamber 101 stores high-pressure gas and dry powder. An optical sensor is installed on the battery cover 1 to detect the presence of smoke or flame. It can quickly respond to the occurrence of fire by optical means, and sound an alarm or trigger the fire extinguishing function. The injection pipe 102 is convenient for re-injecting high-pressure gas and dry powder into the storage chamber 101.

[0033] like Figure 5 As shown, the bottom of the movable seat 5 is rotatably connected to two connecting rod groups 501, and the other end of the connecting rod group 501 is rotatably connected to the inner wall of the battery cover 1, and a worm gear 502 is fixed to the bottom end of one of the connecting rod groups 501. The connecting rod group 501 realizes the retracting and extending function of the movable seat 5.

[0034] A motor A503 is fixedly mounted on the mobile seat 5, and a driving wheel 504 is connected and fixedly connected to the output end of the motor A503. The driving wheel 504 drives the battery fire fighting mechanism 6 to rotate, and performs a large-scale fire extinguishing process.

[0035] like Figure 5 , Figure 6As shown, the battery fire fighting mechanism 6 includes a fixed tube 601, which is connected and fixed to the movable seat 5, a rotating tube 602 is connected and fixed to the fixed tube 601, a hollow frame 603 is connected and fixed to the rotating tube 602, a plurality of nozzles 604 are connected and fixed to the hollow frame 603, a driven wheel 605 is connected and fixed to the rotating tube 602, and the driven wheel 605 is meshed and driven with the driving wheel 504.

[0036] like Figure 5 As shown, the transmission mechanism 7 includes a motor B701, which is fixedly connected to the inner wall of the battery cover 1, and a worm 702 is fixedly connected to the output end of the motor B701, and the worm 702 is meshed with the worm wheel 502 for transmission, and the other end of the worm 702 is fixedly connected to the regulating wheel 703. The regulating wheel 703 drives the ball valve 8 to open and close.

[0037] like Figure 5 , Figure 7 As shown, a valve core 801 is rotatably connected inside the ball valve 8, a valve stem 802 is connected and fixed to the valve core 801, an opening and closing wheel 803 is connected and fixed to the outer end of the valve stem 802, the opening and closing wheel 803 is meshed and transmitted with the adjusting wheel 703, the input end of the ball valve 8 is connected to the storage chamber 101 through the connecting pipe 804, and a hose 805 is connected and fixed to the output end of the ball valve 8, and the other end of the hose 805 is connected and fixed to the fixed pipe 601.

[0038] When the pole 9 needs to be used, the pressing block 405 is pressed to drive the connected pole insulating sleeve 4 to be retracted into the mounting sleeve 3. At this time, under the action of the rack 301, the universal joint 403 connected to the transmission wheel 404 rotates, so that the universal joint 403 drives the protective cover 402 to open, so that the pole 9 is exposed to the outside for use;

[0039] During the use of the device, the optical sensor can detect signs of fire in the power battery 2. At this time, the motor B701 will be controlled to drive the worm 702 to rotate. At this time, the worm 702 will drive the connecting rod group 501 connected to the worm wheel 502 to rotate, thereby driving the moving seat 5 to move up, so that the battery fire fighting mechanism 6 is moved out;

[0040] At the same time, the rotating worm 702 will drive the adjusting wheel 703 to rotate, so that the adjusting wheel 703 drives the valve stem 802 connected to the opening and closing wheel 803 to rotate, thereby driving the valve core 801 to rotate, so that the ball valve 8 opens. At this time, the high-pressure gas in the storage chamber 101 will drive the dry powder to be injected into the hose 805 through the connecting pipe 804, and then injected into the hollow frame 603 through the fixed pipe 601 and the rotating pipe 602, and sprayed out through the nozzle 604. At the same time, the motor A503 is used to drive the driving wheel 504 to rotate, so that the driving wheel 504 drives the rotating pipe 602 connected to the driven wheel 605 to rotate, thereby performing a large-scale fire extinguishing treatment on the power battery 2.

[0041] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A power battery cover plate structure, comprising a battery cover plate (1), characterized in that: A power battery (2) is fixedly mounted on the bottom of the battery cover (1); a storage cavity (101) is provided at one end of the battery cover (1); high-pressure gas and dry powder are contained in the storage cavity (101); an optical sensor is mounted on the battery cover (1); two mounting sleeves (3) are connected and fixedly penetrated on the battery cover (1); a pole insulating sleeve (4) is slidably fitted in the mounting sleeve (3); a movable seat (5) is slidably fitted in the battery cover (1); a A battery fire fighting mechanism (6), the battery fire fighting mechanism (6) comprising a fixed tube (601), the fixed tube (601) being connected and fixedly arranged with a movable seat (5), a rotating tube (602) being connected and fixedly arranged on the fixed tube (601), a hollow frame (603) being connected and fixedly arranged on the rotating tube (602), a plurality of nozzles (604) being connected and fixedly arranged on the hollow frame (603), a driven wheel (605) being connected and fixedly arranged on the rotating tube (602), and a transmission wheel (606) being connected and fixedly arranged inside the battery cover plate (1). The transmission mechanism (7) comprises a motor B (701), the motor B (701) being connected and fixedly arranged with the inner wall of the battery cover (1), a worm (702) being connected and fixedly arranged at the output end of the motor B (701), the worm (702) being meshingly driven with a worm wheel (502), the other end of the worm (702) being connected and fixedly arranged with an adjusting wheel (703), a ball valve (8) being fixedly installed in the battery cover (1), a valve core (801) being rotatably connected in the ball valve (8), and the valve core (801) being rotatably connected in the ball valve (8). A valve stem (802) is connected and fixed to the core (801); an opening and closing wheel (803) is connected and fixed to the outer end of the valve stem (802); the opening and closing wheel (803) is meshed and driven with the regulating wheel (703); an input end of the ball valve (8) is connected to the storage chamber (101) via a connecting pipe (804); a hose (805) is connected and fixed to the output end of the ball valve (8); the other end of the hose (805) is connected and fixed to the fixing pipe (601); and two poles (9) are mounted and fixed on the power battery (2).

2. A power battery cover structure according to claim 1, characterized in that: A spring (401) is connected and fixed between the bottom end of the pole insulating sleeve (4) and the mounting sleeve (3); a protective cover (402) is rotatably connected and provided at the opening of the upper end of the pole insulating sleeve (4); a universal joint (403) is connected and fixed to one end of the protective cover (402); the bottom end of the universal joint (403) passes through the inner wall of the pole insulating sleeve (4) and extends to the outside and is connected and fixed to a transmission wheel (404); and a pressing block (405) is connected and fixed to one side of the pole insulating sleeve (4).

3. A power battery cover structure according to claim 2, characterized in that: A rack (301) is connected and fixed to the inner wall of one side of the installation sleeve (3), and the rack (301) is meshed with the transmission wheel (404) for transmission.

4. A power battery cover structure according to claim 1, characterized in that: An injection pipe (102) is fixedly connected to the input end of the storage chamber (101), and a sealing cap (103) is threadedly connected to the outer end of the injection pipe (102).

5. A power battery cover structure according to claim 1, characterized in that: The bottom of the movable seat (5) is rotatably connected to two connecting rod groups (501), and the other ends of the connecting rod groups (501) are rotatably connected to the inner wall of the battery cover plate (1), wherein a worm gear (502) is fixedly connected to the bottom end of one of the connecting rod groups (501).

6. A power battery cover structure according to claim 5, characterized in that: A motor A (503) is mounted and fixed on the movable seat (5), and a driving wheel (504) is connected and fixed to the output end of the motor A (503), and the driving wheel (504) is meshed and driven with the driven wheel (605).