CN110190225B - Storage battery with heat dissipation function - Google Patents

Storage battery with heat dissipation function Download PDF

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Publication number
CN110190225B
CN110190225B CN201910463021.XA CN201910463021A CN110190225B CN 110190225 B CN110190225 B CN 110190225B CN 201910463021 A CN201910463021 A CN 201910463021A CN 110190225 B CN110190225 B CN 110190225B
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plate
air
air inlet
valve
moving
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Chinese (zh)
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CN110190225A (en
Inventor
金毅
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Hangzhou Solar Photoelectric Co ltd
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Hangzhou Solar Photoelectric Co ltd
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Priority to CN201910463021.XA priority Critical patent/CN110190225B/en
Publication of CN110190225A publication Critical patent/CN110190225A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6563—Gases with forced flow, e.g. by blowers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention discloses a storage battery pack with a heat dissipation function, which comprises a box body, a box cover, a battery unit and a driving device, wherein the battery unit is placed in the box body; the box body is also provided with an air inlet mechanism and an air outlet mechanism which can be opened and closed, the air inlet mechanism is positioned between the movable plate and the mesh plate, and the air outlet mechanism is positioned above the mesh plate; the moving plate is provided with a control device for controlling the opening and closing of the air inlet mechanism and the air outlet mechanism. The invention can effectively radiate the battery unit in the box body, avoids overheating of the battery unit, ensures that the battery voltage can work at a stable and proper temperature, and prolongs the service life of the battery unit.

Description

Storage battery with heat dissipation function
Technical Field
The invention relates to the technical field of storage batteries, in particular to a storage battery pack with a heat dissipation function.
Background
In a photovoltaic power generation system, the electrical energy converted by the solar panels is usually stored in a storage battery pack, and then the storage battery pack supplies power to the outside. The storage battery pack comprises a box body, a box cover and a plurality of battery units, wherein the battery units are placed in the box body, and the box cover is covered on the box body. When the storage battery pack is charged and discharged, a large amount of heat is generated, which causes the temperature of the battery unit to rise, so that the battery unit is overheated, which affects the normal operation of the battery unit and also reduces the service life of the battery unit.
For example, chinese patent publication No. CN103855341B, the invention name is a battery pack, including: a vessel, the vessel comprising: a first rib elongated in a first direction; and a plurality of shell portions separated from each other by the first ribs; a plurality of battery cells arranged in the plurality of case portions; and a reinforcing hardware attached to an edge of the first rib along the first direction. The storage battery pack has the following disadvantages: this storage battery thermal diffusivity is not enough, and storage battery can produce a large amount of heats when charging and discharging, leads to the cell temperature to rise for the cell is overheated, has influenced cell's normal work, has also reduced cell's life-span simultaneously.
Disclosure of Invention
The invention aims to solve the problems that the normal operation and the service life of a battery unit are influenced because the temperature of the battery unit is increased and the battery unit is overheated due to the fact that a large amount of heat is generated when the existing storage battery pack is used.
The purpose of the invention is realized by the following technical scheme: a storage battery with a heat dissipation function comprises a box body, a box cover, a battery unit and a driving device, wherein the battery unit is placed in the box body, a mesh plate is arranged in the box body, the battery unit is placed on the mesh plate, an air cavity is formed between the mesh plate and the bottom of the box body, a liftable moving plate is arranged in the air cavity, and the driving device is in transmission connection with the moving plate; the box body is also provided with an air inlet mechanism and an air outlet mechanism which can be opened and closed, the air inlet mechanism is positioned between the movable plate and the mesh plate, and the air outlet mechanism is positioned above the mesh plate; the moving plate is provided with a control device for controlling the opening and closing of the air inlet mechanism and the air outlet mechanism.
In the invention, the battery unit is placed on the mesh plate, a series of through holes are arranged on the mesh plate, and air in the air cavity can pass through the mesh plate and enter the upper part of the mesh plate. The moving plate moves up and down in the air cavity under the driving of the driving device. The shape of the moving plate is the same as the cross section of the air cavity. When the moving plate ascends, the air inlet mechanism and the air outlet mechanism are respectively in a closed state and an open state under the control of the control device; when the moving plate descends, the air inlet device and the air outlet device are respectively in an opening state and a closing state under the control of the control device. The heat dissipation working principle of the invention is as follows: the movable plate descends, the air inlet device and the air outlet device are respectively in an opening state and a closing state under the control of the control device, the space between the movable plate and the mesh plate is increased, and outside cold air is sucked into the area between the movable plate and the mesh plate through the air inlet mechanism; after the moving plate moves to the lowest point, the moving plate starts to ascend, the air inlet mechanism and the air outlet mechanism are respectively in a closed state and an open state under the control of the control device, the space between the moving plate and the mesh plate is compressed, cold air penetrates through the mesh plate and enters the upper part of the box body to cool the battery unit, meanwhile, hot air is discharged from the air outlet mechanism, the moving plate starts to descend after moving to the highest point, and the process is repeated, so that the battery unit in the box body can be well cooled, the overheating of the battery unit is avoided, the voltage of the battery can be ensured to work at a stable and proper temperature, and the service life of the battery unit is prolonged.
Preferably, the driving device comprises a motor fixed on the mesh plate, and an output shaft of the motor is connected with a screw rod; the movable plate is provided with a threaded sleeve corresponding to the screw, and the screw is in threaded connection with the threaded sleeve. The threaded sleeve is provided with an internal thread matched with the screw rod, and the working principle of the driving device is as follows: the motor drives the screw rod to rotate, the screw rod is in threaded fit with the threaded sleeve, the rotary motion of the screw rod is converted into the linear motion of the threaded sleeve, and the threaded sleeve is fixed on the movable plate, so that the movable plate can move up and down.
Preferably, the motor is a servo motor. The servo motor is widely used and has high precision.
Preferably, the side surface of the box body is provided with a vent hole, and the vent hole is positioned between the moving plate and the bottom of the box body. The area between the movable plate and the bottom of the box body is communicated with the outside through the vent hole, the area between the movable plate and the bottom of the box body keeps consistent with the outside atmospheric pressure, the atmospheric pressure difference between the movable plate and the bottom of the box body is balanced, and the resistance of the movable plate during movement is reduced.
Preferably, a plurality of guide rods are arranged below the mesh plate, guide sleeves corresponding to the guide rods are arranged on the moving plate, and the guide rods penetrate through the guide sleeves. The guide rods are arranged along the vertical direction, and the moving plate moves along the axial direction of the guide rods when moving, so that the moving plate has good directivity when moving.
Preferably, the control device comprises a moving rod which is connected to the moving plate and corresponds to the air inlet mechanism and the air outlet mechanism, and a first friction plate is arranged on one side, close to the air inlet mechanism, of the moving rod; the air inlet mechanism comprises an air inlet hole arranged on the side surface of the box body, one end of the air inlet hole, which is close to the movable rod, is provided with a first air valve which is in contact with the movable rod and slides under the driving of the movable rod, and the first air valve is provided with a second friction plate which is in contact fit with the first friction plate; the exhaust mechanism comprises an exhaust hole arranged on the side surface of the box body, a second air valve which is in contact with the moving rod and slides under the driving of the moving rod is arranged at one end of the exhaust hole close to the moving rod, and a third friction plate which is in contact fit with the first friction plate is arranged on the second air valve; in the ascending process of the moving plate, the first air valve and the second air valve are in a closed state and an open state respectively; during the descending process of the moving plate, the first air valve and the second air valve are respectively in an opening state and a closing state. The moving rod moves along with the moving plate. When the moving plate ascends, the moving rod also moves upwards, the first air valve and the second air valve are subjected to the upward friction force of the moving rod, the first air valve and the second air valve respectively move to the highest point under the drive of the friction force, and when the first air valve moves to the highest point, the first air valve blocks the air inlet hole, so that the air inlet mechanism is in a closed state; conversely, when the second valve moves to the highest point, the second valve is staggered with the exhaust hole, so that the exhaust mechanism is in an open state. When the movable plate descends, the movable rod also descends, the movable rod can apply downward friction to the first air valve and the second air valve, the first air valve and the second air valve can respectively move to the lowest points under the drive of the friction, and when the first air valve moves to the lowest points, the first air valve is staggered with the air inlet hole, so that the air inlet mechanism is in an open state; conversely, when the second valve moves to the lowest point, the second valve plugs the exhaust hole, thereby placing the exhaust mechanism in a closed state.
Preferably, a first sliding groove is formed in one side, close to the first valve, of the air inlet hole, the first sliding groove is formed in the axial direction of the moving rod, and the first valve is connected to the first sliding groove in a sliding mode; one side of the exhaust hole close to the second valve is provided with a second sliding groove, the second sliding groove is arranged along the axial direction of the moving rod, and the second valve is connected in the second sliding groove in a sliding mode. The upper end of the first sliding chute is flush with the upper end of the air inlet hole, the lower end of the first sliding chute is lower than the lower end of the air inlet hole, and when the first air valve slides to the highest point of the first sliding chute, the first air valve just plugs the air inlet hole, so that the air inlet hole is closed; when the first valve slides to the lowest point of the first sliding groove, the first valve is staggered with the air inlet hole, so that the air inlet hole is opened. The lower end of the second sliding groove is flush with the lower end of the exhaust hole, the upper end of the second sliding groove is higher than the upper end of the exhaust hole, and when the second air valve slides to the lower end of the second sliding groove, the second air valve plugs the exhaust hole, so that the exhaust hole is in a closed state; when the second valve slides to the upper end of the second sliding groove, the second valve is staggered with the exhaust hole, so that the exhaust hole is in an open state.
Preferably, one side of the moving rod, which is far away from the air inlet mechanism, is provided with a spring plate, one end of the spring plate is abutted against the moving rod, and the other end of the spring plate is fixed on the box body through a spring plate support. Elasticity can exert elasticity to the movable rod for effective contact can be formed between movable rod and the first valve and the second valve, and first valve and the second valve are guaranteed to move under the drive of movable rod.
The invention has the beneficial effects that: the invention can effectively radiate the battery unit in the box body, avoids overheating of the battery unit, ensures that the battery voltage can work at a stable and proper temperature, and prolongs the service life of the battery unit.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a schematic structural view of a mesh plate.
Fig. 3 is an enlarged view of a portion a in fig. 1.
Fig. 4 is an enlarged view of a portion B in fig. 1.
Fig. 5 is an enlarged view of the portion C in fig. 1.
Fig. 6 is an enlarged view of a portion D in fig. 1.
In the figure: 1. the box body, 2, a box cover, 3, a battery unit, 4, a mesh plate, 5, a motor, 6, a screw rod, 7, a moving plate, 8, a guide rod, 9, a moving rod, 10, a coupler, 11, a threaded sleeve, 12, a guide sleeve, 13, a vent hole, 14, a first friction plate, 15, an air inlet hole, 16, a first sliding groove, 17, a first valve, 18, a second friction plate, 19, an exhaust hole, 20, a second sliding groove, 21, a second valve, 22, a second friction plate, 23, an elastic sheet, 24 and an elastic sheet support.
Detailed Description
The invention is further described by the following detailed description in conjunction with the accompanying drawings.
Example (b): as shown in fig. 1 to 6, a battery pack having a heat dissipation function includes a case 1, a case cover 2, a battery unit 3, and a driving device. The box body 1 is a cuboid. The upper end of the box body 1 is open. The case cover 2 is covered on the case body 1. A mesh plate 4 is arranged in the box body 1. The mesh plate 4 is arranged horizontally. The periphery of the mesh plate 4 is fixed on the inner wall of the box body 1. The battery unit 3 is placed on the mesh plate 4. An air cavity is formed between the mesh plate 4 and the bottom of the box body 1. A movable plate 7 capable of lifting is arranged in the air cavity. The driving device is in transmission connection with the moving plate 7. The shape of the moving plate 7 is the same as the cross section of the air cavity. The two driving devices are arranged on two sides of the mesh plate 4 respectively. Each drive means comprises a motor 5 fixed to the mesh plate 4. The motor is a servo motor. The output shaft of the motor 5 passes down through the mesh plate 4. The output shaft of the motor 5 is connected with a screw 6. The screw 6 is connected with the output shaft of the motor 5 through a coupling 10. A threaded sleeve 11 corresponding to the screw is fixed on the moving plate 7. The threaded sleeve 11 is of cylindrical configuration. The threaded sleeve 11 is provided with internal threads which are matched with the screw 6. The screw 6 is screwed into the threaded sleeve 11. The operating principle of the driving device is as follows: the motor drives the screw rod to rotate, the screw rod is in threaded fit with the threaded sleeve, the rotary motion of the screw rod is converted into the linear motion of the threaded sleeve, and the threaded sleeve is fixed on the movable plate, so that the movable plate can move up and down. The lower end of the mesh plate 4 is provided with a guide rod 8. The guide rods 8 are four in number and are respectively arranged on the periphery of the mesh plate 4. The guide rod 8 is a round rod-shaped structure. The guide bar 8 is perpendicular to the mesh plate 4. The moving plate 7 is provided with a guide sleeve 12 corresponding to the guide rod 8. The guide rods 8 respectively pass through the guide sleeves 12. The side of the box body 1 is provided with a vent hole 13. The vent hole 13 is located between the moving plate 7 and the bottom of the case 1.
The case 1 is provided with an air intake mechanism and an exhaust mechanism which can be opened and closed. The air inlet mechanism is positioned between the moving plate 7 and the mesh plate 4. The exhaust mechanism is located above the mesh plate 4. The moving plate 7 is provided with a control device for controlling the opening and closing of the air intake mechanism and the air exhaust mechanism. And the air inlet mechanism and the air outlet mechanism are arranged on the side surface of the box body. The air inlet mechanism comprises an air inlet hole arranged on the side surface of the box body. One end of the air inlet hole 15 close to the interior of the box body 1 is provided with a first chute 16. A first valve 17 is slidably connected to the first chute 16. The first valve 17 has a rectangular plate-like structure. The first valve 17 is provided with a second friction plate 18 on one side close to the inside of the box body 1. The upper end of the first chute is flush with the upper end of the air inlet hole 15, and the lower end of the first chute 16 is lower than the lower end of the air inlet hole 15. When the first valve 17 slides to the highest point of the first chute 16, the first valve 17 just blocks the air inlet hole 15, so that the air inlet hole is closed; when the first valve 17 slides to the lowest point of the first chute 16, the first valve 17 is misaligned with the intake port 15, so that the intake port 15 is opened. The exhaust mechanism includes an exhaust hole 19 provided in a side surface of the case 1. The exhaust port 19 is located on the same vertical line as the intake port 15. The end of the exhaust hole 19 near the inside of the box body 1 is provided with a second chute 20. A second valve 21 is slidably connected to the second chute 20. The second valve 21 has a rectangular plate-like structure. A third friction plate 22 is arranged on one side of the second valve 21 close to the inner part of the box body 1. The lower ends of the second sliding grooves 20 are flush with the lower end of the exhaust hole 19, and the upper end of the second sliding groove 20 is higher than the upper end of the exhaust hole 19. When the second valve 21 slides to the lower end of the second chute 20, the second valve 21 blocks the exhaust hole 19, so that the exhaust hole 19 is in a closed state; when the second valve 21 slides to the upper end of the second chute 20, the second valve 21 is misaligned with the exhaust hole 19, so that the exhaust hole 19 is in an open state. The control means comprise a moving rod 9 corresponding to the first valve and the second valve. The moving rod 9 is fixed to the moving plate 7. The moving rod 9 is perpendicular to the moving plate 7. The travel bar 9 passes through the mesh plate 4. A first friction plate 14 is provided on the side of the travel bar 9 adjacent to the intake mechanism and the exhaust mechanism. First friction plate 14 is in contacting engagement with second friction plate 18 and third friction plate 22. The side of the moving rod 9 far away from the air inlet mechanism is provided with an elastic sheet 23. The elastic sheet 23 is a metal elastic sheet. One end of the elastic sheet 23 is abutted against the moving rod 9, and the other end of the elastic sheet 23 is fixed on the box body 1 through an elastic sheet bracket 24. The spring plate bracket 24 is L-shaped. The spring support 24 is fixed on the inner wall of the box body 1. When the moving plate ascends, the moving rod also moves upwards, the first air valve and the second air valve are subjected to the upward friction force of the moving rod, the first air valve and the second air valve are driven by the friction force to move to the upper ends of the first sliding groove and the second sliding groove respectively, and at the moment, the first air valve blocks the air inlet hole, so that the air inlet mechanism is in a closed state; conversely, the second valve is offset from the exhaust port, thereby placing the exhaust mechanism in an open state. When the movable plate descends, the movable rod also descends, the movable rod can apply downward friction to the first air valve and the second air valve, the first air valve and the second air valve can respectively move to the lower ends of the first sliding groove and the second sliding groove under the driving of the friction, and the first air valve is staggered with the air inlet at the moment, so that the air inlet mechanism is in an open state; conversely, the second valve blocks the exhaust hole, thereby placing the exhaust mechanism in a closed state.
In the invention, the battery unit is placed on the mesh plate, a series of through holes are arranged on the mesh plate, and air in the air cavity can pass through the mesh plate and enter the upper part of the mesh plate. The moving plate moves up and down in the air cavity under the driving of the driving device. The shape of the moving plate is the same as the cross section of the air cavity. When the moving plate ascends, the air inlet mechanism and the air outlet mechanism are respectively in a closed state and an open state under the control of the control device; when the moving plate descends, the air inlet device and the air outlet device are respectively in an opening state and a closing state under the control of the control device. The heat dissipation working principle of the invention is as follows: the movable plate descends, the air inlet device and the air outlet device are respectively in an opening state and a closing state under the control of the control device, the space between the movable plate and the mesh plate is increased, and outside cold air is sucked into the area between the movable plate and the mesh plate through the air inlet mechanism; after the moving plate moves to the lowest point, the moving plate starts to ascend, the air inlet mechanism and the air outlet mechanism are respectively in a closed state and an open state under the control of the control device, the space between the moving plate and the mesh plate is compressed, cold air penetrates through the mesh plate and enters the upper part of the box body to cool the battery unit, meanwhile, hot air is discharged from the air outlet mechanism, the moving plate starts to descend after moving to the highest point, and the process is repeated, so that the battery unit in the box body can be well cooled, the overheating of the battery unit is avoided, the voltage of the battery can be ensured to work at a stable and proper temperature, and the service life of the battery unit is prolonged.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides a storage battery with heat dissipation function, includes box (1), case lid (2) and places battery unit (3) in box (1), its characterized in that: the battery pack is characterized by further comprising a driving device, wherein a mesh plate (4) is arranged in the box body (1), the battery unit (3) is placed on the mesh plate (4), an air cavity is formed between the mesh plate (4) and the bottom of the box body (1), a lifting movable plate (7) is arranged in the air cavity, and the driving device is in transmission connection with the movable plate (7); the box body (1) is also provided with an air inlet mechanism and an air outlet mechanism which can be opened and closed, the air inlet mechanism is positioned between the movable plate (7) and the mesh plate (4), and the air outlet mechanism is positioned above the mesh plate (4); the moving plate (7) is provided with a control device for controlling the opening and closing of the air inlet mechanism and the air outlet mechanism; the control device comprises a moving rod (9) which is connected to the moving plate (7) and corresponds to the air inlet mechanism and the air outlet mechanism, and a first friction plate (14) is arranged on one side, close to the air inlet mechanism, of the moving rod (9); the air inlet mechanism comprises an air inlet hole (15) arranged on the side surface of the box body (1), one end, close to the movable rod (9), of the air inlet hole (15) is provided with a first air valve (17) which is in contact with the movable rod (9) and slides under the driving of the movable rod (9), and a second friction plate (18) in contact fit with the first friction plate (14) is arranged on the first air valve; the exhaust mechanism comprises an exhaust hole (19) arranged on the side surface of the box body (1), a second air valve (21) which is in contact with the moving rod (9) and slides under the driving of the moving rod (9) is arranged at one end, close to the moving rod (9), of the exhaust hole (19), and a third friction plate (22) in contact fit with the first friction plate (14) is arranged on the second air valve (21); in the ascending process of the moving plate (7), the first air valve (17) and the second air valve (21) are respectively in a closed state and an open state; during the descending process of the moving plate (7), the first air valve (17) and the second air valve (21) are respectively in an opening state and a closing state.
2. The battery pack with the heat dissipation function according to claim 1, wherein the driving device comprises a motor (5) fixed on the mesh plate (4), and a screw (6) is connected to an output shaft of the motor (5); the moving plate (7) is provided with a threaded sleeve (11) corresponding to the screw (6), and the screw (6) is in threaded connection with the threaded sleeve (11).
3. The battery pack with the heat dissipation function according to claim 2, wherein the motor (5) is a servo motor.
4. The battery pack with the heat dissipation function according to claim 1, wherein the side of the case (1) is provided with a vent hole (13), and the vent hole (13) is located between the moving plate (7) and the bottom of the case (1).
5. The battery pack with the heat dissipation function according to claim 1, wherein a plurality of guide rods (8) are arranged below the mesh plate (4), guide sleeves (12) corresponding to the guide rods (8) are arranged on the moving plate (7), and the guide rods (8) penetrate through the guide sleeves (12).
6. The battery pack with the heat dissipation function according to claim 1, wherein a first sliding groove (16) is formed in one side of the air inlet hole (15) close to the first air valve (17), the first sliding groove (16) is arranged along the axial direction of the moving rod (9), and the first air valve (17) is slidably connected in the first sliding groove (16); one side of the exhaust hole (19) close to the second valve (21) is provided with a second sliding groove (20), the second sliding groove (20) is arranged along the axial direction of the moving rod (9), and the second valve (21) is connected in the second sliding groove (20) in a sliding mode.
7. The battery pack with the heat dissipation function according to claim 1, wherein a spring plate (23) is arranged on one side of the moving rod (9) far away from the air inlet mechanism, one end of the spring plate (23) is abutted against the moving rod (9), and the other end of the spring plate (23) is fixed on the box body (1) through a spring plate support (24).
CN201910463021.XA 2019-05-30 2019-05-30 Storage battery with heat dissipation function Active CN110190225B (en)

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Application Number Priority Date Filing Date Title
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CN110190225B true CN110190225B (en) 2022-01-25

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CN113078406A (en) * 2021-03-29 2021-07-06 马鞍山学院 Battery locking box of new energy automobile and use method

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CN204696160U (en) * 2015-04-30 2015-10-07 郑州宇通客车股份有限公司 Electric motor vehicle cell box and electric motor car
CN108963382B (en) * 2018-07-17 2020-12-08 安徽一首工业设计有限公司 New energy automobile power battery cooling system
CN109552082B (en) * 2018-12-21 2021-11-05 浙江国正安全技术有限公司 Long service life's new energy automobile battery

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Denomination of invention: A battery pack with heat dissipation function

Effective date of registration: 20221114

Granted publication date: 20220125

Pledgee: Zhejiang Fuyang Rural Commercial Bank Co.,Ltd. Changkou Sub branch

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Registration number: Y2022980021871