CN116666831B - Safety protection equipment of high-capacity battery pack - Google Patents
Safety protection equipment of high-capacity battery pack Download PDFInfo
- Publication number
- CN116666831B CN116666831B CN202310945840.4A CN202310945840A CN116666831B CN 116666831 B CN116666831 B CN 116666831B CN 202310945840 A CN202310945840 A CN 202310945840A CN 116666831 B CN116666831 B CN 116666831B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- wall
- shell
- box
- sliding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000009423 ventilation Methods 0.000 claims abstract description 15
- 238000010521 absorption reaction Methods 0.000 claims abstract description 11
- 238000005192 partition Methods 0.000 claims abstract description 6
- 238000013016 damping Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 71
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 39
- 229910052802 copper Inorganic materials 0.000 claims description 39
- 239000010949 copper Substances 0.000 claims description 39
- 238000007664 blowing Methods 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 2
- 230000001771 impaired effect Effects 0.000 abstract description 2
- 229910052744 lithium Inorganic materials 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 description 9
- 238000000926 separation method Methods 0.000 description 6
- 230000035939 shock Effects 0.000 description 4
- 210000003437 trachea Anatomy 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- 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
- H01M10/625—Vehicles
-
- 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
-
- 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
- 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
- H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
-
- 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
-
- 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
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- 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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- 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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
-
- 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
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- 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
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- 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
- H01M50/258—Modular batteries; Casings provided with means for assembling
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Automation & Control Theory (AREA)
- Aviation & Aerospace Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses safety protection equipment for a high-capacity battery pack, which comprises a shell, wherein the top of the shell is fixedly connected with a protecting cover, the bottom of the inner wall of the shell is fixedly connected with a heat absorption mechanism, both sides of the inner wall of the shell are fixedly connected with ventilation mechanisms, the center position of the top of the shell is fixedly connected with a fixing frame, the inner wall of the fixing frame is slidably connected with a sealing cover mechanism, the bottom of the fixing frame is fixedly connected with a placement box, the inner wall of the placement box is fixedly connected with a partition plate, the side surface of the partition plate is provided with a heat dissipation hole, and both sides of the inner wall of the placement box are fixedly connected with damping mechanisms. This safety protection equipment of large capacity group battery, the lithium cell group battery generates heat easily after long-time the use, and the heat is piled up and is made the battery impaired easily, and the absorption mechanism can effectively absorb the heat in the shell to prevent that the inside of shell from piling up too much heat and the temperature is too high.
Description
Technical Field
The invention relates to the technical field of battery pack protection, in particular to safety protection equipment for a high-capacity battery pack.
Background
A large-capacity battery pack refers to a battery pack capable of providing a longer use time. In the field of mobile devices, automobiles, solar energy systems, and home energy storage systems, large capacity batteries have become the standard configuration for many critical applications. High capacity batteries can increase the capacity to store energy by increasing the volume and weight of the battery, and can also achieve higher energy densities by optimizing the materials and design of the battery. In the field of electric vehicles and hybrid vehicles, the development of high-capacity battery packs is an important key factor for realizing long-distance driving and higher energy efficiency, and in current electric vehicles and energy storage systems, lithium ion batteries are mostly used. The lithium ion battery has advantages of high energy density, long life, high charge and discharge efficiency, and the like, and thus is widely used in various large-capacity battery packs.
The energy contained in the large-capacity battery is far more than that of a common battery, but in the daily running process of the electric automobile, the faced scene is very complex, and if the internal temperature of the battery is overheated, the explosion or the ignition of the lithium ion battery can be caused.
Disclosure of Invention
In order to achieve the above purpose, the invention is realized by the following technical scheme: the safety protection device of the high-capacity battery pack comprises a shell, wherein the top of the shell is fixedly connected with a protecting cover, the bottom of the inner wall of the shell is fixedly connected with a heat absorption mechanism, both sides of the inner wall of the shell are fixedly connected with ventilation mechanisms, the center position of the top of the shell is fixedly connected with a fixing frame, the inner wall of the fixing frame is slidably connected with a sealing cover mechanism, the bottom of the fixing frame is fixedly connected with a placement box, the inner wall of the placement box is fixedly connected with a separation plate, the side surface of the separation plate is provided with a heat radiation hole, and both sides of the inner wall of the placement box are fixedly connected with a damping mechanism;
the heat absorption mechanism comprises a water tank fixedly connected to the bottom of the inner wall of the shell, a water inlet pipe is communicated with the center of the side face of the water tank, the water inlet pipe penetrates through the inner wall of the shell and extends to the outside of the shell, a copper pipe I and a copper pipe II are respectively communicated with the two sides of the water tank, a miniature water pump is fixedly connected to the side face of the placement box, one end of the copper pipe I, which is far away from the water tank, is fixedly connected to a water inlet of the miniature water pump, one end of the copper pipe II, which is far away from the water tank, is fixedly connected to a water outlet of the miniature water pump, an elastic component is slidably connected to the top of the water tank, water exists in the water tank in the heat absorption mechanism, and heat generated by a battery pack inside the placement box is absorbed through the flow of water in a pipeline, so that the purpose of heat dissipation of the battery pack is achieved.
Further, the elastic component includes elasticity case, first and sealing hose of spring, the through-hole has been seted up to the inner wall bottom of placing the case, the bottom outer wall sliding connection of elasticity case is at the inner wall of through-hole, the bottom position of elasticity case is higher than the inner wall bottom of placing the case, first fixed connection of spring is at the inner wall top of elasticity case, the top of water tank is through the support frame and the bottom fixed connection of placing the case.
Further, the through hole has been seted up at the top of water tank, the inner wall fixedly connected with of through-hole moves the sealing washer, one end fixed connection that the elastic box was kept away from to the spring is in the inner wall bottom of water tank, the bottom of elastic box runs through and sliding connection at the inner wall that moves the sealing washer, sealed hose cover is established and fixed connection is located the outside outer wall of placing the case at the elastic box, one end cover that the elastic box was kept away from to sealed hose is established and fixed connection is at the outer wall that moves the sealing washer.
Further, ventilation mechanism includes fan, bloies fan and expansion member, the wind gap has all been seted up to the both sides of shell, the wind gap is provided with a plurality ofly, fan fixed connection is in the inner wall bottom of shell, fan terminal surface is right opposite the wind gap induced drafts, fan fixed connection is at the inner wall top of shell, the terminal surface of blowing fan is right opposite the wind gap, and fan that induced drafts in the ventilation mechanism can absorb outside cold wind, and the back come-up is inhaled to cold wind, again is discharged the shell by fan that induced drafts to reach the radiating purpose for the shell inside.
Further, the expansion part is provided with two groups and is fixedly connected with the bottom of the inner wall and the top of the inner wall of the shell respectively, the expansion part comprises a battery and a fixed box, the battery is provided with two groups and is fixedly connected with the bottom of the inner wall and the top of the inner wall of the shell respectively, the fixed box is fixedly connected with the inner wall of the shell, the center of the top of the inner wall of the fixed box is fixedly connected with a copper air pipe, the inner wall of the copper air pipe is slidably connected with a telescopic rod, one end of the telescopic rod, which is far away from the copper air pipe, penetrates through the copper air pipe and is fixedly connected with a movable plate, the bottom of the movable plate penetrates through the bottom of the inner wall of the fixed box and is fixedly connected with a polar plate, and the positive pole and the negative pole of a motor of the suction fan and the blowing fan are respectively fixedly connected with the positive pole and the negative pole of the polar plate through wires.
Further, closing cap mechanism includes the race, slides hole, sliding shaft and rubber wheel, the race is seted up at the top of mount, slide the hole and be seted up the side at the mount, sliding shaft sliding connection is in the inner wall of sliding hole, the rubber wheel sets up the inside at the race, the sliding shaft runs through the side center department of rubber wheel and rotates with the rubber wheel to be connected, the center department outside cover of sliding shaft establishes and fixedly connected with connecting rod, the one end that the sliding shaft was kept away from to the connecting rod runs through the inner wall of sliding hole and fixedly connected with handle, and closing cap mechanism's rubber wheel is favorable to taking of group battery, and when moving the rubber wheel, usable string pulls out the slide, further will place the roof portion of case and seal to guaranteed that the group battery is fixed in placing the case.
Further, the closing mechanism still includes the slide part, slide part sliding connection is at the inner wall of mount, the slide part includes slide groove, slide, pulley, the side at the mount is seted up in the slide groove, slide sliding connection is at the inner wall in slide groove, the both ends of slide all pass the slide groove and fixedly connected with spring two, the bottom fixedly connected with arch of shell, the one end fixedly connected with of spring two keep away from the slide is in bellied side, the pulley passes through the rotation of rotation bolt and connects in the side of mount, the pulley is provided with a plurality of.
Further, the side of slide keeping away from the spring two fixedly connected with string, string sliding connection is at the outer wall of pulley, the one end fixed connection at the side of sliding shaft of slide is kept away from to the string.
Further, damper includes rotating turret, division board and vibrating part, rotating turret fixed connection is placing the inner wall of case, the side of division board rotates the inner wall of connecting at the rotating turret, the division board is provided with the multiunit, multiunit the side of division board is through rotating the mutual swivelling joint of bolt, vibrating part fixed connection is placing the inner wall of case, vibrating part is provided with a plurality ofly, vibrating part is located the division board and is close to one side of ventilation mechanism, and damper utilizes three elasticity of spring to unload the impact force of group battery when the vibration to the safety of group battery has been guaranteed.
Further, the vibration part comprises a fixed column fixedly connected to the inner wall of the placement box, a spring III is fixedly connected to one end of the fixed column far away from the placement box, a protective cap is fixedly connected to one side of the spring III far away from the fixed column, and the inner wall of the protective cap slides to the outer side of the fixed column.
The invention provides safety protection equipment for a high-capacity battery pack. The beneficial effects are as follows:
1. this safety protection equipment of large capacity group battery is provided with heat absorption mechanism, after lithium cell group uses for a long time, the heat that gives off of group battery in placing the incasement can't be effectively absorbed, makes the battery impaired easily, and the copper pipe lets in the absorption mechanism has moisture, can copper pipe one with copper pipe two's material be copper, can effectively absorb the heat in the shell to the specific heat capacity of water is great, can store the heat, thereby prevent that the inside of shell from piling up excessive heat and the temperature is too high.
2. This safety protection equipment of large capacity group battery is provided with ventilation mechanism, and in summer, the inside temperature of some new energy automobile is higher, can lead to the group battery to receive the harm, and ventilation mechanism in the environment of higher temperature, expansion member can switch on the power of suction fan and blowing fan because of gas expansion, and the gas of suction fan can absorb the gas entering shell of relative low temperature, and the come-up after this part gas absorbs heat is blown out the shell by the blowing fan again to further reached the radiating purpose.
3. This safety protection equipment of large capacity group battery is provided with elastic component, takes place to rock when the group battery, and the impact force of its bottom can be transmitted to spring one through the elasticity case, and the elasticity by spring one again offsets, and the elasticity incasement portion holds moisture simultaneously, receives the ascending pressure of water, when absorbing the heat of a part group battery, also can reduce the impact that the elasticity case received, has reached the dual purpose for group battery shock attenuation and heat absorption.
4. This safety protection equipment of high-capacity battery group is provided with closing cap mechanism, when the case is placed into to the group battery, the battery outside rubs with the rubber wheel for the rubber wheel rotates, further makes the group battery put into and take out all laborsaving more, and if need seal and place the case top, only need remove the sliding shaft, and the sliding shaft passes through the string and brings the slide out, can accomplish the closure to placing the case, convenient operation, the taking and the repair of group battery of being convenient for.
Drawings
FIG. 1 is a schematic diagram of a safety protection device of a high-capacity battery pack according to the present invention;
FIG. 2 is a schematic view of the internal structure of the protective cover of the present invention;
FIG. 3 is a schematic view of the internal structure of the housing of the present invention;
FIG. 4 is a schematic view of the heat absorbing mechanism of the present invention;
FIG. 5 is an enlarged schematic view of the structure of the present invention A;
FIG. 6 is a schematic view of the ventilation mechanism of the present invention;
FIG. 7 is a schematic view of a capping mechanism according to the present invention;
FIG. 8 is a schematic view of a part of the structure of the cover according to the present invention;
FIG. 9 is a schematic view of a shock absorbing mechanism according to the present invention;
FIG. 10 is an enlarged schematic view of the structure of the present invention B;
FIG. 11 is a schematic view of the structure of the separator of the present invention;
fig. 12 is an enlarged schematic view of the structure of the present invention C.
In the figure: 1. a housing; 11. a protective cover; 12. a fixing frame; 13. placing a box; 14. a partition plate; 15. a heat radiation hole; 16. an air port; 2. a heat absorbing mechanism; 21. a water tank; 22. a water inlet pipe; 23. copper pipe I; 24. copper pipe II; 25. a micro water pump; 26. an elastic member; 261. an elastic box; 262. a first spring; 263. sealing the hose; 27. a movable sealing ring; 3. a ventilation mechanism; 31. a suction fan; 32. a blowing fan; 33. an expansion member; 331. a battery; 332. a fixed box; 333. a copper gas pipe; 334. a telescopic rod; 335. a moving plate; 336. a polar plate; 4. a capping mechanism; 41. wheel grooves; 42. a sliding hole; 43. a sliding shaft; 44. a rubber wheel; 45. a connecting rod; 46. a handle; 47. a slide plate member; 471. a slide plate groove; 472. a slide plate; 473. a pulley; 474. a second spring; 475. a string; 5. a damping mechanism; 51. a rotating frame; 52. a partition plate; 53. a vibration member; 531. fixing the column; 532. a third spring; 533. and a protective cap.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the safety protection device of the high-capacity battery pack comprises a shell 1, wherein the top of the shell 1 is fixedly connected with a protecting cover 11, the bottom of the inner wall of the shell 1 is fixedly connected with a heat absorbing mechanism 2, both sides of the inner wall of the shell 1 are fixedly connected with ventilation mechanisms 3, the center position of the top of the shell 1 is fixedly connected with a fixing frame 12, the inner wall of the fixing frame 12 is slidably connected with a sealing cover mechanism 4, the bottom of the fixing frame 12 is fixedly connected with a placing box 13, the inner wall of the placing box 13 is fixedly connected with a separation plate 14, the side surface of the separation plate 14 is provided with a heat dissipation hole 15, and both sides of the inner wall of the placing box 13 are fixedly connected with damping mechanisms 5;
the heat absorbing mechanism 2 comprises a water tank 21 fixedly connected to the bottom of the inner wall of the shell 1, a water inlet pipe 22 is communicated with the center of the side face of the water tank 21, the water inlet pipe 22 penetrates through the inner wall of the shell 1 and extends to the outside of the shell 1, water is injected into the water tank 21 through the water inlet pipe 22, a copper pipe I23 and a copper pipe II 24 are respectively communicated with the two sides of the water tank 21, a miniature water pump 25 is fixedly connected to the side face of the placement box 13, one end of the copper pipe I23, far from the water tank 21, is fixedly connected to a water inlet of the miniature water pump 25, one end of the copper pipe II 24, far from the water tank 21, is fixedly connected to a water outlet of the miniature water pump 25, and the top of the water tank 21 is slidably connected with an elastic component 26.
The elastic component 26 includes elasticity case 261, spring one 262 and sealed hose 263, and the through-hole has been seted up to the inner wall bottom of placing case 13, and elasticity case 261's bottom outer wall sliding connection is at the inner wall of through-hole, and elasticity case 261's bottom position is higher than and places case 13 inner wall bottom, and when the group battery vibrations, the impact force of its bottom can transmit elasticity case 261, and elasticity case 261 transmits the impact force to spring one 262 again, and spring one 262 utilizes elasticity to offset this part impact force, and spring one 262 fixed connection is at elasticity case 261's inner wall top.
The top of water tank 21 is through support frame and the bottom fixed connection who places case 13, and the through-hole has been seted up at the top of water tank 21, and the inner wall fixedly connected with of through-hole moves sealing washer 27, moves sealing washer 27 on the one hand can play sealed effect for water can't reveal in the junction of elasticity case 261 and water tank 21, on the other hand, moves sealing washer 27 and can also make elasticity case 261 slide at the inner wall of water tank 21, and one end fixed connection at the inner wall bottom of water tank 21 of elasticity case 261 is kept away from to spring one 262.
The bottom of elastic box 261 runs through and sliding connection at the inner wall of moving seal circle 27, sealed hose 263 is established and fixed connection is located the outside outer wall of placing the case 13 at elastic box 261, sealed hose 263 is kept away from the one end cover of elastic box 261 and is established and fixed connection at the outer wall of moving seal circle 27, sealed hose 263's both ends are the rubber material, can produce sealed effect, when not influencing elastic box 261 slip, also can play sealed effect when moving seal circle 27 damages, thereby can prevent the water pollution group battery in the water tank 21, the inside moisture that holds of elastic box 261 simultaneously receives the ascending pressure of water, when absorbing the heat of a part group battery, also can reduce the impact that elastic box 261 received, the dual purpose for group battery shock attenuation and heat absorption has been reached.
The ventilation mechanism 3 comprises a suction fan 31, a blowing fan 32 and an expansion part 33, wherein the two sides of the shell 1 are provided with air inlets 16, the air inlets 16 are provided with a plurality of air inlets, the suction fan 31 is fixedly connected to the bottom of the inner wall of the shell 1, the end face of the suction fan 31 faces the air inlets 16, the blowing fan 32 is fixedly connected to the top of the inner wall of the shell 1, and the end face of the blowing fan 32 faces the air inlets 16.
The expansion member 33 is provided with two sets of and fixed connection respectively in the inner wall bottom and the inner wall top of shell 1, the expansion member 33 includes battery 331 and fixed box 332, battery 331 is provided with two sets of and fixed connection respectively in the inner wall bottom and the inner wall top of shell 1, fixed box 332 fixed connection is in the inner wall of shell 1, the center department fixedly connected with copper trachea 333 at the inner wall top of fixed box 332, the inner wall sliding connection of copper trachea 333 has telescopic link 334, the one end that copper trachea 333 was kept away from to telescopic link 334 runs through copper trachea 333 and fixedly connected with movable plate 335, the bottom of movable plate 335 runs through the inner wall bottom of fixed box 332 and fixedly connected with polar plate 336, the positive negative pole at polar plate 336 is passed through to the motor positive and negative pole of induced draft fan 31 and blowing fan 32 respectively fixed connection through the wire.
The copper air pipe 333 is made of copper, and has better heat absorption capacity, so when the temperature inside the shell 1 is overheated, the air inside the copper air pipe 333 is heated to expand and compress the telescopic rod 334, the telescopic rod 334 is stretched to push the movable plate 335, the positive electrode and the negative electrode of the polar plate 336 are contacted with the positive electrode and the negative electrode of the battery 331 along with the movement of the movable plate 335, the induced draft fan 31 and the blowing fan 32 are electrified to start rotating, the induced draft fan 31 can absorb the relatively low-temperature gas to enter the shell 1, the part of the gas absorbs heat and then floats upwards, and the air is blown out of the shell 1 by the blowing fan 32, so that the heat dissipation purpose is further achieved.
Referring to fig. 1-12, the present invention provides a technical solution: the sealing mechanism 4 comprises a wheel groove 41, a sliding hole 42, a sliding shaft 43 and a rubber wheel 44, wherein the wheel groove 41 is formed in the top of the fixed frame 12, the sliding hole 42 is formed in the side face of the fixed frame 12, the sliding shaft 43 is slidably connected to the inner wall of the sliding hole 42, the rubber wheel 44 is arranged in the wheel groove 41, the sliding shaft 43 penetrates through the center of the side face of the rubber wheel 44 and is rotatably connected with the rubber wheel 44, when a battery pack is placed in the placement box 13, the outer side of the battery pack rubs with the rubber wheel 44, the rubber wheel 44 rotates, further the battery pack is placed in and taken out more labor-saving, a connecting rod 45 is sleeved and fixedly connected to the outer side of the center of the sliding shaft 43, one end of the connecting rod 45, which is far away from the sliding shaft 43, penetrates through the inner wall of the sliding hole 42 and is fixedly connected with a handle 46, and the sliding of the sliding shaft 43 can be controlled to slide on the inner wall of the sliding hole 42 through the handle 46.
The cover mechanism 4 further comprises a sliding plate member 47, the sliding plate member 47 is slidably connected to the inner wall of the fixed frame 12, the sliding plate member 47 comprises a sliding plate groove 471, a sliding plate 472 and a pulley 473, the sliding plate groove 471 is formed in the side face of the fixed frame 12, the sliding plate 472 is slidably connected to the inner wall of the sliding plate groove 471, two ends of the sliding plate 472 penetrate through the sliding plate groove 471 and are fixedly connected with a second spring 474, the bottom of the shell 1 is fixedly connected with a protrusion, one end of the second spring 474, far away from the sliding plate 472, is fixedly connected to the side face of the fixed frame 12 through a rotating bolt, the pulley 473 is provided with a plurality of sliding plates 472, one end of the sliding plate 475, far away from the second spring 474, is fixedly connected to the side face of the sliding shaft 43, the sliding shaft 43 is moved to the side far away from the isolating plate 52 through the handle 46, the sliding plate 475 is pulled along with the movement of the sliding shaft 43, and the sliding plate 472 at the other end of the sliding plate 475 is pulled out of the sliding plate 471 and the top of the sliding plate 471 is closed.
The damper 5 comprises a rotating frame 51, a plurality of isolation plates 52 and a vibrating part 53, wherein the rotating frame 51 is fixedly connected to the inner wall of the placement box 13, the side faces of the isolation plates 52 are rotationally connected to the inner wall of the rotating frame 51, the isolation plates 52 are provided with a plurality of groups, the side faces of the isolation plates 52 are mutually rotationally connected through rotating bolts, the vibrating part 53 is fixedly connected to the inner wall of the placement box 13, the vibrating part 53 is provided with a plurality of vibration parts 53, the vibrating part 53 is located on one side, close to the ventilation mechanism 3, of the isolation plates 52, the vibrating parts 53 are discretely distributed on the inner wall of the placement box 13, edges of a battery pack are easy to clamp, the isolation plates 52 are mutually connected, the vibrating parts 53 and the battery pack are isolated, so that the battery pack is more convenient to take, and meanwhile, the stress surface of the isolation plates 52 is large, and the battery pack stress is more uniform.
The vibration part 53 includes fixed column 531 of fixed connection at placing case 13 inner wall, the one end fixedly connected with spring three 532 of placing case 13 is kept away from to fixed column 531, one side fixedly connected with helmet 533 of fixed column 531 is kept away from to spring three 532, the inner wall of helmet 533 slides in the outside of fixed column 531, if the group battery takes place to rock, the group battery can strike division board 52, division board 52 transmits the impact force to helmet 533, the helmet 533 transmits the impact force to spring three 532 again, finally under the elasticity of spring three 532, the impact force that the group battery produced is offset, thereby reach the purpose for the group battery shock attenuation.
When the device is used, the battery pack is placed in the placement box 13, firstly, the sliding shaft 43 is pushed to one side of the fixed frame 12 close to the isolation plate 52 by the handle 46 until the sliding shaft 43 is clamped at the edge of the sliding hole 42, the rubber wheel 44 moves to the edge of the fixed frame 12 along with the sliding shaft 43, the batteries 331 of the battery pack are respectively prevented from being placed in the cells in the placement box 13, after placement, the sliding shaft 43 is moved again to slide towards one side far from the isolation plate 52, at the moment, the string 475 is pulled along with the movement of the sliding shaft 43, and the sliding plate 472 at the other end of the string 475 is pulled out of the sliding plate groove 471 to seal the top of the placement box 13.
When the battery pack is used, water is filled into the water inlet pipe 22 until the inside of the water tank 21, the inside of the copper pipe I23 and the inside of the copper pipe II 24 are filled with water, then the water inlet pipe 22 is closed, water flows in the copper pipe I23 and the copper pipe II 24 and absorbs heat outside the placing box 13 due to the existence of the miniature water pump 25, meanwhile, if the battery pack shakes, the battery pack can strike the separation plate 52, the separation plate 52 transmits impact force to the protective cap 533, the protective cap 533 transmits the impact force to the spring III 532, finally, under the elastic force of the spring III 532, the impact force generated by the battery pack is counteracted, and meanwhile, the elastic box 261 can counteract the impact force from the bottom of the battery pack due to the existence of the spring I262.
When the temperature inside the casing 1 is overheated, the air inside the copper air pipe 333 expands and compresses the telescopic rod 334, the telescopic rod 334 stretches to push the moving plate 335, and as the moving plate 335 moves, the positive electrode and the negative electrode of the polar plate 336 are contacted with the positive electrode and the negative electrode of the battery 331, and the air suction fan 31 and the air blowing fan 32 start to rotate after being electrified.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (6)
1. A safety protection device for a high capacity battery pack, comprising a housing (1), characterized in that: the novel heat-absorbing structure is characterized in that a protecting cover (11) is fixedly connected to the top of the shell (1), a heat-absorbing mechanism (2) is fixedly connected to the bottom of the inner wall of the shell (1), a ventilation mechanism (3) is fixedly connected to both sides of the inner wall of the shell (1), a fixing frame (12) is fixedly connected to the center of the top of the shell (1), a sealing mechanism (4) is slidingly connected to the inner wall of the fixing frame (12), a placing box (13) is fixedly connected to the bottom of the fixing frame (12), a partition plate (14) is fixedly connected to the inner wall of the placing box (13), a heat-dissipating hole (15) is formed in the side face of the partition plate (14), and a damping mechanism (5) is fixedly connected to both sides of the inner wall of the placing box (13);
the heat absorption mechanism (2) comprises a water tank (21) fixedly connected to the bottom of the inner wall of the shell (1), a water inlet pipe (22) is communicated with the center of the side face of the water tank (21), the water inlet pipe (22) penetrates through the inner wall of the shell (1) and extends to the outside of the shell (1), copper pipes I (23) and copper pipes II (24) are respectively communicated with the two sides of the water tank (21), a miniature water pump (25) is fixedly connected to the side face of the placement box (13), one end, far away from the water tank (21), of the copper pipe I (23) is fixedly connected to a water inlet of the miniature water pump (25), one end, far away from the water tank (21), of the copper pipe II (24) is fixedly connected to a water outlet of the miniature water pump (25), and an elastic part (26) is slidingly connected to the top of the water tank (21);
the elastic part (26) comprises an elastic box (261), a first spring (262) and a sealing hose (263), a through hole is formed in the bottom of the inner wall of the placement box (13), the outer wall of the bottom of the elastic box (261) is slidably connected to the inner wall of the through hole, the bottom of the elastic box (261) is higher than the bottom of the inner wall of the placement box (13), the first spring (262) is fixedly connected to the top of the inner wall of the elastic box (261), and the top of the water tank (21) is fixedly connected with the bottom of the placement box (13) through a supporting frame;
the top of the water tank (21) is provided with a through hole, the inner wall of the through hole is fixedly connected with a movable sealing ring (27), one end of the first spring (262) away from the elastic box (261) is fixedly connected to the bottom of the inner wall of the water tank (21), the bottom of the elastic box (261) penetrates through and is slidably connected to the inner wall of the movable sealing ring (27), the sealing hose (263) is sleeved and fixedly connected to the outer wall of the elastic box (261) outside the placement box (13), and one end of the sealing hose (263) away from the elastic box (261) is sleeved and fixedly connected to the outer wall of the movable sealing ring (27);
the ventilation mechanism (3) comprises an air suction fan (31), an air blowing fan (32) and an expansion part (33), wherein air inlets (16) are formed in two sides of the shell (1), the air inlets (16) are formed in a plurality of mode, the air suction fan (31) is fixedly connected to the bottom of the inner wall of the shell (1), the end face of the air suction fan (31) faces the air inlets (16), the air blowing fan (32) is fixedly connected to the top of the inner wall of the shell (1), and the end face of the air blowing fan (32) faces the air inlets (16);
the expansion part (33) is provided with two groups and is fixedly connected to the bottom and the top of the inner wall of the shell (1) respectively, the expansion part (33) comprises a battery (331) and a fixed box (332), the battery (331) is provided with two groups and is fixedly connected to the bottom and the top of the inner wall of the shell (1) respectively, the fixed box (332) is fixedly connected to the inner wall of the shell (1), a copper air pipe (333) is fixedly connected to the center of the top of the inner wall of the fixed box (332), a telescopic rod (334) is connected to the inner wall of the copper air pipe (333) in a sliding manner, one end of the telescopic rod (334) far away from the copper air pipe (333) penetrates through the copper air pipe (333) and is fixedly connected with a movable plate (335), the bottom of the movable plate (335) penetrates through the bottom of the inner wall of the fixed box (332) and is fixedly connected with a pole plate (336), and positive and negative poles of a motor of the air suction fan (31) and the air blowing fan (32) are respectively fixedly connected to the positive pole and the negative pole of the pole plate (336) through wires.
2. The safety protection device for a high-capacity battery pack according to claim 1, wherein: the sealing mechanism (4) comprises a wheel groove (41), a sliding hole (42), a sliding shaft (43) and a rubber wheel (44), wherein the wheel groove (41) is formed in the top of a fixing frame (12), the sliding hole (42) is formed in the side face of the fixing frame (12), the sliding shaft (43) is slidably connected to the inner wall of the sliding hole (42), the rubber wheel (44) is arranged in the wheel groove (41), the sliding shaft (43) penetrates through the center of the side face of the rubber wheel (44) and is rotationally connected with the rubber wheel (44), a connecting rod (45) is sleeved outside the center of the sliding shaft (43), and one end of the connecting rod (45) away from the sliding shaft (43) penetrates through the inner wall of the sliding hole (42) and is fixedly connected with a handle (46).
3. The safety protection device for a high-capacity battery pack according to claim 2, wherein: the sealing mechanism (4) further comprises a sliding plate component (47), the sliding plate component (47) is slidably connected to the inner wall of the fixing frame (12), the sliding plate component (47) comprises a sliding plate groove (471), a sliding plate (472) and a pulley (473), the sliding plate groove (471) is formed in the side face of the fixing frame (12), the sliding plate (472) is slidably connected to the inner wall of the sliding plate groove (471), two ends of the sliding plate (472) penetrate through the sliding plate groove (471) and are fixedly connected with a second spring (474), the bottom of the shell (1) is fixedly connected with a protrusion, one end of the second spring (474) away from the sliding plate (472) is fixedly connected to the side face of the protrusion, the pulley (473) is rotatably connected to the side face of the fixing frame (12) through a rotation bolt, and the pulley (473) is provided with a plurality of springs.
4. A safety protection device for a high-capacity battery pack according to claim 3, wherein: one side of the sliding plate (472) far away from the second spring (474) is fixedly connected with a string (475), the string (475) is slidably connected to the outer wall of the pulley (473), and one end of the string (475) far away from the sliding plate (472) is fixedly connected to the side face of the sliding shaft (43).
5. The safety protection device for a high-capacity battery pack according to claim 1, wherein: the utility model provides a vibration damper (5) is including rotating turret (51), division board (52) and vibrating part (53), the inner wall of placing case (13) is being connected to rotating turret (51) is being placed to rotating turret (51) side rotation, division board (52) are provided with the multiunit, multiunit the side of division board (52) is through rotating the mutual swivelling joint of bolt, vibrating part (53) fixed connection is placing case (13)'s inner wall, vibrating part (53) are provided with a plurality ofly, vibrating part (53) are located one side that division board (52) are close to ventilation mechanism (3).
6. The safety protection device for a high-capacity battery pack according to claim 5, wherein: the vibration part (53) comprises a fixed column (531) fixedly connected to the inner wall of the placement box (13), a spring III (532) is fixedly connected to one end, far away from the placement box (13), of the fixed column (531), a protective cap (533) is fixedly connected to one side, far away from the fixed column (531), of the spring III (532), and the inner wall of the protective cap (533) slides to the outer side of the fixed column (531).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310945840.4A CN116666831B (en) | 2023-07-31 | 2023-07-31 | Safety protection equipment of high-capacity battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310945840.4A CN116666831B (en) | 2023-07-31 | 2023-07-31 | Safety protection equipment of high-capacity battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116666831A CN116666831A (en) | 2023-08-29 |
| CN116666831B true CN116666831B (en) | 2024-02-23 |
Family
ID=87712214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310945840.4A Active CN116666831B (en) | 2023-07-31 | 2023-07-31 | Safety protection equipment of high-capacity battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116666831B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209544417U (en) * | 2018-08-24 | 2019-10-25 | 洛阳广通汽车有限公司 | A kind of batteries of electric automobile secure mounting arrangements |
| CN110416453A (en) * | 2019-06-27 | 2019-11-05 | 广东电网有限责任公司佛山供电局 | A kind of electric power source unit for explosion |
| CN209880715U (en) * | 2019-11-26 | 2019-12-31 | 深圳小木科技有限公司 | New energy automobile battery box |
| CN112054139A (en) * | 2020-09-09 | 2020-12-08 | 南通亿能能源科技有限公司 | Lithium battery protection device |
| CN217035781U (en) * | 2022-03-25 | 2022-07-22 | 东莞市威力源电子科技有限公司 | Small lithium battery with overheat protection function |
| CN115986291A (en) * | 2023-02-16 | 2023-04-18 | 绍兴市上虞区职业教育中心(上虞区技工学校) | New energy automobile battery damping device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111584777A (en) * | 2020-04-30 | 2020-08-25 | 安徽绿沃循环能源科技有限公司 | Echelon utilization battery pack with good shock resistance |
-
2023
- 2023-07-31 CN CN202310945840.4A patent/CN116666831B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209544417U (en) * | 2018-08-24 | 2019-10-25 | 洛阳广通汽车有限公司 | A kind of batteries of electric automobile secure mounting arrangements |
| CN110416453A (en) * | 2019-06-27 | 2019-11-05 | 广东电网有限责任公司佛山供电局 | A kind of electric power source unit for explosion |
| CN209880715U (en) * | 2019-11-26 | 2019-12-31 | 深圳小木科技有限公司 | New energy automobile battery box |
| CN112054139A (en) * | 2020-09-09 | 2020-12-08 | 南通亿能能源科技有限公司 | Lithium battery protection device |
| CN217035781U (en) * | 2022-03-25 | 2022-07-22 | 东莞市威力源电子科技有限公司 | Small lithium battery with overheat protection function |
| CN115986291A (en) * | 2023-02-16 | 2023-04-18 | 绍兴市上虞区职业教育中心(上虞区技工学校) | New energy automobile battery damping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116666831A (en) | 2023-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104466298B (en) | Heat radiating device of power battery | |
| CN204204995U (en) | The heat abstractor of electrokinetic cell | |
| CN210224225U (en) | New forms of energy electric motor car battery heat dissipation protection device | |
| CN211125780U (en) | Explosion-proof equipment of lithium cell and have this explosion-proof equipment's lithium cell | |
| CN116666831B (en) | Safety protection equipment of high-capacity battery pack | |
| CN114865120A (en) | Low-temperature charging system for lithium battery | |
| CN211125774U (en) | Safety protection bearing box for lithium battery | |
| CN116646671A (en) | High-safety lithium battery pack of electric vehicle | |
| CN114824576B (en) | Split type lithium battery used in explosion-proof cavity | |
| CN218274802U (en) | Battery and power consumption device | |
| CN213071245U (en) | Lithium battery protection shell structure | |
| CN215220827U (en) | A explosion-proof casing for new energy automobile battery | |
| CN212751032U (en) | Battery protective housing for heat dissipation type new energy automobile that takes precautions against earthquakes | |
| CN214099764U (en) | High-rate lithium titanate fast-charging power battery aluminum shell with high overcurrent performance | |
| CN113594569A (en) | Lithium battery expansion explosion protection device based on electromagnetic induction principle | |
| CN116885362B (en) | Combined lithium ion storage battery shell and lithium ion storage battery assembly | |
| CN215070201U (en) | Device for preventing new energy automobile battery thermal runaway explosion | |
| CN218548553U (en) | Lithium battery protection device | |
| CN212085058U (en) | Lithium battery buffering explosion-proof device | |
| CN218123597U (en) | Blade lithium cell with buffering effect | |
| CN214957138U (en) | New forms of energy battery is with battery aluminum hull that has shock-absorbing function | |
| CN212967912U (en) | Isolation protection mechanism suitable for storage battery | |
| CN221226418U (en) | Lithium battery pack with double-layer anti-seismic structure | |
| CN219163603U (en) | Cover plate buckled lithium battery steel shell | |
| CN217641520U (en) | Good heat dissipation safety lithium cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240410 Address after: No. 1 Xingxuan Street, Daguozhuang Village, Guozhuang Town, Xian County, Cangzhou City, Hebei Province, 061000 Patentee after: Xingxuan Holdings Group Co.,Ltd. Country or region after: China Address before: No. 16 Guofeng South Avenue, Yunhe District, Cangzhou City, Hebei Province, 061016 Patentee before: CANGZHOU NORMAL University Country or region before: China |