CN110729428A - New energy automobile battery module conductive connection spare overlap joint structure - Google Patents
New energy automobile battery module conductive connection spare overlap joint structure Download PDFInfo
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- CN110729428A CN110729428A CN201911008950.8A CN201911008950A CN110729428A CN 110729428 A CN110729428 A CN 110729428A CN 201911008950 A CN201911008950 A CN 201911008950A CN 110729428 A CN110729428 A CN 110729428A
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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
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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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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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
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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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
- H01M10/65—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
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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
- H01M10/65—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
- H01M10/6567—Liquids
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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
- 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
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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- 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
Abstract
The invention discloses a new energy automobile battery module conductive connecting piece lap joint structure which comprises a first connecting plate and a second connecting plate, wherein the first connecting plate is installed on a first battery module body through a fastening screw, the second connecting plate is installed on a second battery module body through a fastening screw, a rectangular groove is formed in the side wall of the first connecting plate, a rectangular block is connected in the rectangular groove in a sealing and sliding mode, and a threaded rod is connected to the side wall of the rectangular block in a rotating mode. According to the invention, through arranging the temperature sensor, when the ambient temperature of the battery module is too high and reaches a critical value, an electric signal is sent out and the internal circuit of the first electromagnet is conducted to generate magnetic force, so that the permanent magnet repellent to the battery module is pushed to move downwards and the rack is enabled to move downwards, the gear and the threaded rod are pushed to rotate, the distance between the first battery module body and the second battery module can be further increased, and the heat emitted by the two battery modules can be rapidly emitted.
Description
Technical Field
The invention relates to the technical field of related components of new energy automobile batteries, in particular to a lap joint structure of a conductive connecting piece of a new energy automobile battery module.
Background
The power battery modules of the new energy automobile are arranged in a battery pack box body, are connected in series, are assisted by a management system and high-voltage components and parts, and form a complete battery pack. The conductive connecting piece between the lap joint modules can influence the performances of the battery modules, such as service life and the like.
The electrically conductive connecting piece between the present overlap joint module can divide into welding, spiro union, three kinds of forms of mechanical crimping according to electric core and the female connected mode of arranging of electrically conductive, and the interval between the mould connected by these three kinds of forms is fixed mostly, can't carry out autonomic regulation according to the environment that the battery was located. If the ambient temperature that the battery was located is too high, then because the undersize between each battery module for the heat that each battery module produced is difficult to distribute away, makes the battery module be in under the high temperature environment for a long time, can destroy the chemical balance in the battery, leads to the side reaction, greatly reduced the life of battery module. If the space between the battery modules is increased due to the pursuit of the heat dissipation effect, the heat dissipated by the battery modules is difficult to preserve, and particularly when the ambient temperature of the battery is too low (such as when driving outdoors in winter in the north), the electrolyte moves quite slowly in such a low-temperature environment, so that the discharge current of the battery becomes small, and the output power of the power equipment is reduced.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a lap joint structure of a conductive connecting piece of a battery module of a new energy automobile.
In order to achieve the purpose, the invention adopts the following technical scheme:
a new energy automobile battery module conductive connecting piece lap joint structure comprises a first connecting plate and a second connecting plate, wherein the first connecting plate is installed on a first battery module body through a fastening screw, the second connecting plate is installed on a second battery module body through a fastening screw, a rectangular groove is formed in the side wall of the first connecting plate, a rectangular block is connected in the rectangular groove in a sealing and sliding mode, a threaded rod is connected to the side wall of the rectangular block in a rotating mode, a threaded hole is formed in the side wall of the first connecting plate, the threaded rod is connected in the threaded hole in a threaded mode, one end, away from the first connecting plate, of the threaded rod is connected to the side wall of the second connecting plate in a rotating mode, a mechanism groove is formed in the side wall of the second connecting plate, a driving device for driving the threaded rod to rotate is installed in the mechanism groove, and a first water inlet pipe and a second water inlet pipe are, install the outlet pipe on the lateral wall of second battery module body, the first drum of fixedly connected with between first inlet tube and the outlet pipe, fixedly connected with second drum between second inlet tube and the outlet pipe, just second inlet tube and outlet pipe all communicate with the second drum is inside, first inlet tube fixed connection is at the lower extreme of first connecting plate, second inlet tube fixed connection is in the upper end of first connecting plate, just first inlet tube and second inlet tube all communicate with the rectangular channel is inside, first inlet tube, second inlet tube and outlet pipe intussuseption are filled with the coolant liquid, install the thrust unit who promotes the coolant liquid and flow in the first drum.
Preferably, drive arrangement is including rotating the gear of connection on mechanism inslot wall, just gear and the coaxial fixed connection of threaded rod, sliding connection has the rack with gear engagement on the inner wall in mechanism groove, the upper end of rack is inlayed and is equipped with the permanent magnet, first electro-magnet is installed at the interior top in mechanism groove, just the magnetic pole of permanent magnet and the magnetic pole of first electro-magnet repel each other, the mechanism inslot is installed the temperature sensor of coupling in first electro-magnet supply circuit.
Preferably, the pushing device comprises a sliding plug which is connected in the first cylinder in a sealing and sliding manner, the sliding plug is elastically connected to the inner wall of the first cylinder through a spring, a second electromagnet is installed on the sliding plug, a water inlet communicated with the inside of the first cylinder is formed in the upper end of the first cylinder, a water outlet communicated with the inside of the first cylinder is formed in the side wall of the first cylinder, a first one-way valve is installed on the sliding plug, and a second one-way valve is installed in the water outlet.
Preferably, equal coaxial fixedly connected with dwang in first drum and the second drum, fixedly connected with bar magnet on the dwang, coaxial fixedly connected with water wheels on the dwang, just water wheels set up under the inlet opening.
Preferably, a plurality of radiating fins are connected to the circumferential side walls of the first cylinder and the second cylinder in a sliding manner, every two adjacent radiating fins are fixedly connected through an arc-shaped connecting rod, an annular groove is formed in the circumferential side walls of the first cylinder and the second cylinder, two sliding blocks are connected to the inner wall of the annular groove in a sliding manner, and the two sliding blocks are fixedly connected with the two opposite radiating fins respectively.
Preferably, the heat dissipation fin is made of a copper material with good heat conduction, and the slider is made of an iron material easily attracted by a magnet.
Preferably, the first check valve only allows the coolant to flow from the side of the sliding plug close to the bar magnet to the side of the sliding plug away from the bar magnet, and the second check valve only allows the coolant to flow from the first cylinder to the water outlet pipe.
Preferably, the side wall of the first connecting plate is provided with a vent hole, and the vent hole is communicated with the inside of the rectangular groove.
The invention has the following beneficial effects:
1. through the arrangement of the temperature sensor, when the ambient temperature of the battery modules is too high and reaches a critical value, an electric signal is sent out and an internal circuit of the first electromagnet is conducted to enable the internal circuit of the first electromagnet to generate magnetic force, so that the permanent magnets repellent with the battery modules are pushed to move downwards and enable the racks to move downwards, the gear and the threaded rod are pushed to rotate, the distance between the first battery module body and the second battery module can be increased, and heat emitted by the two battery modules can be rapidly emitted;
2. the threaded rod drives the rectangular block to move when moving, at the moment, the first water inlet pipe, the second water inlet pipe, the rectangular groove, the first cylinder and the second cylinder form a sealing loop, and meanwhile, the electric signal sent by the temperature sensor enables the second electromagnet to generate magnetism intermittently, so that the sliding plug can move back and forth in the first cylinder continuously, cooling liquid can be pushed to flow in the sealing loop in a circulating mode, and therefore water cooling efficient heat dissipation is conducted when the temperature of the battery module is too high;
3. by arranging the copper radiating fins on the outer walls of the first cylinder and the second cylinder, when the cooling liquid flows into the first cylinder and the second cylinder, the heat absorbed by the cooling liquid is absorbed by the radiating fins and is radiated out, so that the cooling liquid can always maintain a lower temperature state and can be continuously cooled;
3. when water flows into the first cylinder and the second cylinder, the water wheel can be pushed to rotate, the rotating rod and the bar magnet which are coaxially arranged with the water wheel are driven to rotate, the sliding block is attracted to slide in the annular groove, the plurality of radiating fins can be driven to rotate around the axis of the first cylinder or the second cylinder, air flowing between the two battery modules is accelerated, and the radiating efficiency is further improved.
Drawings
Fig. 1 is a schematic structural diagram of a new energy vehicle battery module conductive connecting piece lap joint structure provided by the invention;
fig. 2 is an enlarged schematic view of a structure at a position a of a new energy automobile battery module conductive connecting piece lap joint structure provided by the invention;
fig. 3 is an enlarged schematic view of a structure at a position B of the lap joint structure of the new energy automobile battery module conductive connecting piece provided by the invention;
fig. 4 is a schematic cross-sectional structural view at a position C-C of the conductive connecting piece lapping structure of the new energy automobile battery module provided by the invention;
fig. 5 is a schematic cross-sectional structural view at a position D-D of the conductive connecting member overlapping structure of the new energy vehicle battery module according to the present invention.
In the figure: 1 first battery module body, 2 second connecting plates, 3 first connecting plates, 4 rectangular grooves, 5 rectangular blocks, 6 threaded rods, 7 threaded holes, 8 mechanism grooves, 9 gears, 10 racks, 11 first electromagnets, 12 permanent magnets, 13 guide grooves, 14 guide blocks, 15 water outlet pipes, 16 second battery module bodies, 17 first water inlet pipes, 18 second water inlet pipes, 19 first cylinders, 20 water outlet holes, 21 water inlet holes, 22 heat dissipation fins, 23 rotating rods, 24 annular grooves, 25 sliders, 26 water wheels, 27 bar magnets, 28 sliding plugs, 29 springs, 30 second electromagnets, 31 second cylinders and 32 arc-shaped connecting rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, a new energy automobile battery module conductive connecting piece overlap joint structure, including first connecting plate 3 and second connecting plate 2, first connecting plate 3 passes through fastening screw and installs on first battery module body 1, second connecting plate 2 passes through fastening screw and installs on second battery module body 16, rectangular channel 4 has been seted up to the lateral wall of first connecting plate 3, the air vent has been seted up to the lateral wall of first connecting plate 3, and air vent and rectangular channel 4 inside intercommunication, it has rectangular block 5 to seal sliding connection in rectangular channel 4.
It should be noted that, through the arrangement of the vent hole communicated with the inside of the rectangular groove 4, the rectangular block 5 can be conveniently moved in the rectangular groove 4 without being obstructed.
The side wall of the rectangular block 5 is rotatably connected with a threaded rod 6, the side wall of the first connecting plate 3 is provided with a threaded hole 7, the threaded rod 6 is in threaded connection with the threaded hole 7, one end, far away from the first connecting plate 3, of the threaded rod 6 is rotatably connected with the side wall of the second connecting plate 2, the side wall of the second connecting plate 2 is provided with a mechanism groove 8, a driving device for driving the threaded rod 6 to rotate is installed in the mechanism groove 8, the side wall of the first battery module body 1 is sequentially provided with a first water inlet pipe 17 and a second water inlet pipe 18 from bottom to top, the side wall of the second battery module body 16 is provided with a water outlet pipe 15, a first cylinder 19 is fixedly connected between the first water inlet pipe 17 and the water outlet pipe 15, a second cylinder 31 is fixedly connected between the second water inlet pipe 18 and the water outlet pipe 15, the second water inlet pipe 18 and the water outlet pipe 15 are, the second water inlet pipe 18 is fixedly connected to the upper end of the first connecting plate 3.
When the rectangular block 5 is removed, the first water inlet pipe 17, the second water inlet pipe 18, the rectangular groove 4, the first cylinder 19, the water outlet pipe 15 and the second cylinder 31 form a sealed loop.
And first inlet tube 17 and second inlet tube 18 all communicate with the inside of rectangular channel 4, first inlet tube 17, second inlet tube 18 and outlet pipe 15 intussuseption are filled with the coolant liquid, install the thrust unit who promotes the coolant liquid and flow in the first drum 19, it has a plurality of radiating fin 22 all to slide on the circumference lateral wall of first drum 19 and second drum 31, and every two adjacent radiating fin 22 pass through arc connecting rod 32 fixed connection, ring channel 24 has been seted up on the circumference lateral wall of first drum 19 and second drum 31, slide connection has two sliders 25 on the inner wall of ring channel 24, and two sliders 25 respectively with two relative radiating fin 22 fixed connection, radiating fin 22 is made by the good copper material of heat conduction, slider 25 is made by the iron material of being liable to magnet attraction.
The driving device comprises a gear 9 which is rotatably connected to the inner wall of the mechanism groove 8, the gear 9 is fixedly connected with the threaded rod 6 in a coaxial mode, a rack 10 meshed with the gear 9 is connected to the inner wall of the mechanism groove 8 in a sliding mode, a permanent magnet 12 is embedded in the upper end of the rack 10, a first electromagnet 11 is installed at the inner top of the mechanism groove 8, and the magnetic pole of the permanent magnet 12 and the magnetic pole of the first electromagnet 11 repel each other.
It should be noted that the electromagnets are all made of a coil and an iron core, and when the first electromagnet 11 loses its magnetic property, the permanent magnet 12 is attracted by the iron core inside it. A temperature sensor coupled in the power supply circuit of the first electromagnet 11 is installed in the mechanism groove 8. The temperature sensor is a conventional electrical control device, and the connection manner of the temperature sensor to the power supply circuit of the first electromagnet 11 is also a conventional mature technology.
The pushing device comprises a sliding plug 28 which is connected in a sealing and sliding manner in the first cylinder 19, the sliding plug 28 is elastically connected to the inner wall of the first cylinder 19 through a spring 29, and a second electromagnet 30 is installed on the sliding plug 28.
It should be noted that the second electromagnet 30 is provided with a PLC control module, and the PLC control module is electrically connected to the temperature sensor to control the on/off of the internal current of the second electromagnet 30, and when the temperature rises to a critical value, the electrical signal sent by the temperature sensor intermittently turns on/off the internal current of the second electromagnet 30 under the action of the PLC control module.
The upper end of the first cylinder 19 is provided with a water inlet 21 communicated with the inside of the first cylinder, the side wall of the first cylinder 19 is provided with a water outlet 20 communicated with the inside of the first cylinder, the sliding plug 28 is provided with a first one-way valve, the water outlet 20 is internally provided with a second one-way valve, the first one-way valve only allows cooling liquid to flow from the side, close to the bar magnet 27, of the sliding plug 28 to the side, away from the bar magnet 27, of the sliding plug 28, and the second one-way valve only allows the cooling liquid to flow from the first cylinder 19 to the water outlet pipe 15.
Equal coaxial fixedly connected with dwang 23 in first drum 19 and the second drum 31, fixedly connected with bar magnet 27 on dwang 23, coaxial fixedly connected with water wheels 26 on dwang 23, and water wheels 26 set up under inlet opening 21.
In the invention, if the ambient temperature of the battery module is too low, the temperature sensor sends an electric signal to disconnect the current in the first electromagnet 11, the first electromagnet 11 loses magnetism, the permanent magnet 12 is attracted by the iron core in the first electromagnet 11 to drive the rack 10 to move upwards, so that the gear 9 rotates, the threaded rod 6 rotates in the threaded hole 7 and moves horizontally, the distance between the first battery module body 1 and the second battery module body 16 is reduced, the heat dissipation can be greatly reduced, the temperature of the battery module can be maintained, and the output power is prevented from being reduced due to too low temperature.
If the environmental temperature of the battery module is too high, the temperature sensor sends an electric signal to conduct the current inside the first electromagnet 11, the first electromagnet 11 generates magnetic force to push the permanent magnet 12 and the rack 10 to move downwards, so as to push the gear 9 and the threaded rod 6 to rotate in the threaded hole 7, the distance between the first battery module body 1 and the second battery module body 16 can be increased, so that the heat generated by the battery module can be conveniently dissipated, meanwhile, the rectangular block 5 can be dragged to move in the rectangular groove 4, at the moment, the first water inlet pipe 17 and the second water inlet pipe 18 are conducted, meanwhile, the electric signal sent by the temperature sensor enables the second electromagnet 30 to be intermittently electrified, so that the second electromagnet 30 intermittently generates magnetic force, when the second electromagnet 30 generates magnetic force, the magnetic force is repelled by the bar magnet 27 to push the sliding plug 28 to be far away from the bar magnet 27 and to suck cooling liquid into the first cylinder 19, when the second electromagnet 30 loses magnetic force, the spring pushes the sliding plug 28 to reset, and the sliding plug 28 pushes the cooling liquid into the water outlet pipe 15, so that the cooling liquid can flow circularly along with the continuous back and forth movement of the sliding plug 28, and efficient heat dissipation is performed.
When the coolant liquid flows into first drum 19 and second drum 31 in, the coolant liquid can promote water wheels 26 pivoted when flowing in by inlet opening 21 to drive dwang 23 and bar magnet 27 and rotate, thereby attract slider 25 to slide in ring channel 24, and then make radiating fin 22 take place to rotate, can accelerate the air flow between first battery module body 1 and the second battery module body 16, further promotion radiating effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A new energy automobile battery module conductive connecting piece lap joint structure comprises a first connecting plate (3) and a second connecting plate (2), wherein the first connecting plate (3) is installed on a first battery module body (1) through a fastening screw, the second connecting plate (2) is installed on a second battery module body (16) through a fastening screw, and the new energy automobile battery module conductive connecting piece lap joint structure is characterized in that a rectangular groove (4) is formed in the side wall of the first connecting plate (3), a rectangular block (5) is connected in the rectangular groove (4) in a sealing and sliding mode, a threaded rod (6) is connected to the side wall of the rectangular block (5) in a rotating mode, a threaded hole (7) is formed in the side wall of the first connecting plate (3), the threaded rod (6) is connected in the threaded hole (7) in a threaded mode, one end, far away from the first connecting plate (3), of the threaded rod (6) is connected, a mechanism groove (8) is formed in the side wall of the second connecting plate (2), a driving device for driving a threaded rod (6) to rotate is installed in the mechanism groove (8), a first water inlet pipe (17) and a second water inlet pipe (18) are sequentially installed on the side wall of the first battery module body (1) from bottom to top, a water outlet pipe (15) is installed on the side wall of the second battery module body (16), a first cylinder (19) is fixedly connected between the first water inlet pipe (17) and the water outlet pipe (15), a second cylinder (31) is fixedly connected between the second water inlet pipe (18) and the water outlet pipe (15), the second water inlet pipe (18) and the water outlet pipe (15) are both communicated with the inside of the second cylinder (31), the first water inlet pipe (17) is fixedly connected to the lower end of the first connecting plate (3), and the second water inlet pipe (18) is fixedly connected to the upper end of the first connecting plate (3), and the first water inlet pipe (17) and the second water inlet pipe (18) are communicated with the inside of the rectangular groove (4), the first water inlet pipe (17), the second water inlet pipe (18) and the water outlet pipe (15) are filled with cooling liquid, and a pushing device for pushing the cooling liquid to flow is installed in the first cylinder (19).
2. The new energy automobile battery module conductive connecting piece lap joint structure of claim 1, characterized in that, drive arrangement includes gear (9) of rotating connection on mechanism groove (8) inner wall, and gear (9) and threaded rod (6) coaxial fixed connection, sliding connection has rack (10) with gear (9) meshing on the inner wall of mechanism groove (8), the upper end of rack (10) is inlayed and is equipped with permanent magnet (12), first electro-magnet (11) are installed at the interior top of mechanism groove (8), and the magnetic pole of permanent magnet (12) and the magnetic pole of first electro-magnet (11) repel each other, install the temperature sensor of coupling in first electro-magnet (11) supply circuit in mechanism groove (8).
3. The new energy automobile battery module conductive connecting piece lap joint structure according to claim 1, characterized in that the pushing device comprises a sliding plug (28) connected in a first cylinder (19) in a sealing and sliding manner, the sliding plug (28) is elastically connected to the inner wall of the first cylinder (19) through a spring (29), a second electromagnet (30) is installed on the sliding plug (28), a water inlet hole (21) communicated with the inside of the first cylinder (19) is formed in the upper end of the first cylinder (19), a water outlet hole (20) communicated with the inside of the first cylinder (19) is formed in the side wall of the first cylinder (19), a first one-way valve is installed on the sliding plug (28), and a second one-way valve is installed in the water outlet hole (20).
4. The new energy automobile battery module conductive connecting piece lapping structure of claim 3, wherein a rotating rod (23) is coaxially and fixedly connected in the first cylinder (19) and the second cylinder (31), a bar-shaped magnet (27) is fixedly connected on the rotating rod (23), a water wheel (26) is coaxially and fixedly connected on the rotating rod (23), and the water wheel (26) is arranged under the water inlet hole (21).
5. The new energy automobile battery module conductive connecting piece lapping structure of claim 1, wherein a plurality of heat dissipation fins (22) are connected to the circumferential side walls of the first cylinder (19) and the second cylinder (31) in a sliding manner, every two adjacent heat dissipation fins (22) are fixedly connected through an arc-shaped connecting rod (32), an annular groove (24) is formed in the circumferential side walls of the first cylinder (19) and the second cylinder (31), two sliding blocks (25) are connected to the inner wall of the annular groove (24) in a sliding manner, and the two sliding blocks (25) are respectively and fixedly connected with the two opposite heat dissipation fins (22).
6. The new energy automobile battery module conductive connecting piece lapping structure of claim 5, wherein the heat radiating fins (22) are made of copper material with good heat conduction, and the sliding blocks (25) are made of iron material which is easy to be attracted by magnet.
7. The new energy automobile battery module conductive connecting piece lapping structure is characterized in that the first one-way valve only allows the cooling liquid to flow from the side, close to the bar magnet (27), of the sliding plug (28) to the side, far away from the bar magnet (27), of the sliding plug (28), and the second one-way valve only allows the cooling liquid to flow from the first cylinder (19) to the water outlet pipe (15).
8. The new energy automobile battery module conductive connecting piece lapping structure as claimed in claim 1, wherein a vent hole is formed in a side wall of the first connecting plate (3), and the vent hole is communicated with the inside of the rectangular groove (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911008950.8A CN110729428B (en) | 2019-10-23 | 2019-10-23 | New energy automobile battery module conductive connection spare overlap joint structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911008950.8A CN110729428B (en) | 2019-10-23 | 2019-10-23 | New energy automobile battery module conductive connection spare overlap joint structure |
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| CN110729428A true CN110729428A (en) | 2020-01-24 |
| CN110729428B CN110729428B (en) | 2022-02-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147485A (en) * | 2020-09-15 | 2020-12-29 | 南京静春星电子商务有限公司 | Energy-conserving detection device of circuit board break-make of inside electronic product design of TV set |
| CN113363645A (en) * | 2021-05-18 | 2021-09-07 | 中国第一汽车股份有限公司 | Quick-change power battery assembly capable of delaying thermal diffusion and electric vehicle |
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| CN113363645B (en) * | 2021-05-18 | 2023-01-17 | 中国第一汽车股份有限公司 | Quick-change power battery assembly capable of delaying thermal diffusion and electric vehicle |
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