CN112701377B - New energy battery with spontaneous combustion preventing structure - Google Patents
New energy battery with spontaneous combustion preventing structure Download PDFInfo
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- CN112701377B CN112701377B CN202011568216.XA CN202011568216A CN112701377B CN 112701377 B CN112701377 B CN 112701377B CN 202011568216 A CN202011568216 A CN 202011568216A CN 112701377 B CN112701377 B CN 112701377B
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring 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
- H01M10/62—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
- H01M10/65—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
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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
- H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
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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
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- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a new energy battery with an anti-spontaneous combustion structure. The new energy battery with prevent spontaneous combustion structure includes: a battery box; the refrigerating chamber is arranged in the battery box. The invention provides a new energy battery with an anti-spontaneous-combustion structure, which is mainly used for generating cold air and cooling a battery pack through the arrangement of the cooling structure, and when the temperature in the battery pack is rapidly increased, the temperature sensor detects the temperature change and immediately sends a signal to the controller, so that the controller can continuously purge the cold air into the battery pack, effectively cool the battery pack, simultaneously close a second valve and a ventilation structure, and the whole battery storage chamber is in a sealed state, the internal air cannot rapidly circulate, and the cooling effect of the cold air is matched to limit the spontaneous-combustion condition of the battery pack, thereby reducing the spontaneous combustion probability of the battery pack and playing a good protective role.
Description
Technical Field
The invention relates to the field of new energy batteries, in particular to a new energy battery with an spontaneous combustion preventing structure.
Background
The new energy is generally renewable energy which is developed and utilized on the basis of new technology and comprises solar energy, biomass energy, wind energy, geothermal energy, wave energy, ocean current energy, tidal energy, thermal circulation between the ocean surface and the deep layer and the like; in addition, there are hydrogen energy, biogas, alcohol, methanol, etc., and coal, petroleum, natural gas, water energy, etc., which have been widely used, are called conventional energy, and with the increasing prominence of the limitation of conventional energy and environmental problems, new energy with environmental protection and renewable characteristics is getting more and more attention.
At present, along with the increasing decrease of the existing energy sources, the application of new energy sources is more and more widespread, and the new energy battery is one of the most common new energy source applications, and mainly provides power support for a new energy automobile, while the internal temperature of the existing new energy battery is raised when the battery is charged and discharged, and when the internal temperature of the battery is raised rapidly due to the fact that the battery is in a high-temperature weather or the internal components of the battery are damaged, the internal emergency protection measures are relatively simple, the new energy battery may be spontaneous-ignited, and serious accidents are caused.
Accordingly, there is a need to provide a new energy battery with an anti-spontaneous combustion structure that solves the above-mentioned technical problems.
Disclosure of Invention
The invention provides a new energy battery with an anti-spontaneous combustion structure, which solves the problem that the new energy battery is spontaneous in combustion possibly caused when the internal temperature of the new energy battery is rapidly increased, so that serious accidents are caused.
In order to solve the technical problems, the new energy battery with the spontaneous combustion preventing structure provided by the invention comprises:
a battery box;
the refrigerating chamber is arranged in the battery box, a battery storage chamber is arranged in the battery box, a cooling structure is arranged in the refrigerating chamber, the cooling structure comprises a liquid nitrogen storage tank, a recovery tank, an air supply fan and an air inlet head, the outside of the liquid nitrogen storage tank is communicated with the outside of the recovery tank through a spiral pipe fitting, a first valve and a check valve are respectively arranged outside the spiral pipe fitting, an air outlet pipe fitting is communicated with one side of the air inlet head, a second valve is arranged on the air outlet pipe fitting, one side of the air outlet pipe fitting and the air supply fan are kept in the same plane, the air inlet head is fixedly arranged on the left side of the battery box, the liquid nitrogen storage tank and the recovery tank are respectively positioned at the top and the bottom of the inside of the refrigerating chamber, and the spiral pipe fitting is arranged on the right side of the air supply fan;
the battery pack comprises a battery storage chamber and is characterized by comprising a fixing structure, wherein the fixing structure is arranged in the battery storage chamber and comprises two fixing clamping plates, a battery pack is arranged between one opposite sides of the fixing clamping plates, a power-off protection structure is arranged on the right side of the battery pack and comprises a device box and a temperature sensor, and a ventilation structure is arranged on the right side of the battery box.
Preferably, the right side fixedly connected with connecting seat of device box inner wall, be provided with the electro-magnet on the connecting seat, the right side of device box inner wall is provided with power supply module, power supply module's one side with one side of electro-magnet is through wire connection.
Preferably, the inside swing joint of device box has the removal conductive component, the both sides at removal conductive component top are all fixedly connected with connecting rod, the outside of connecting rod with the inside sliding connection of connecting seat, the surface of connecting rod just is located the top of removal conductive component has cup jointed the elastic component.
Preferably, a fixed conductive component is fixedly connected to one side of the inner wall of the device box, the top of the fixed conductive component is clamped with the bottom of the movable conductive component, and one side of the movable conductive component is connected with one side of the battery component through a wire.
Preferably, the left side of the device box is fixedly connected with the right side of the battery assembly, and one side of the temperature sensor is fixedly connected with one side of the battery assembly.
Preferably, the top and the bottom of the inner surface of the battery storage chamber are respectively communicated with a movable groove, the outer part of the fixed clamping plate is movably connected with the inner part of the movable groove, and two buffer cushions are respectively arranged on one side of the fixed clamping plate and one side of the inner surface of the movable groove.
Preferably, the two sides of the inside of the fixed splint are both connected with positioning rods in a sliding way, the outer surfaces of the positioning rods are positioned at the bottom of the fixed splint, support springs are sleeved on the bottoms of the fixed splint, and a protective layer is arranged on the inner side of the fixed splint.
Preferably, the ventilation structure comprises a sealing cover and a filter screen, an air outlet is formed in the right side of the battery box, and the outer part of the filter screen is fixedly connected with the inner part of the air outlet.
Preferably, one side of the sealing cover is fixedly connected with two electric telescopic rods, the other end of each electric telescopic rod is fixedly connected with the right side of the battery box, and one side of the sealing cover is clamped with the inside of the air outlet.
Compared with the related art, the new energy battery with the spontaneous combustion preventing structure has the following beneficial effects:
the invention provides a new energy battery with an anti-spontaneous combustion structure, which is characterized in that (1) the cooling structure is arranged and is mainly used for generating cold air and cooling a battery pack, when the internal temperature of the battery pack is rapidly increased, the temperature sensor detects the temperature change and immediately sends a signal to the controller, and finally the temperature sensor continuously blows the cold air to the interior of the battery pack to effectively cool the battery pack, and simultaneously, the second valve and the ventilation structure are closed, at the moment, the interior of the whole battery storage chamber is in a sealed state, the internal air cannot be rapidly circulated, and the cooling effect of the cold air is matched, so that the spontaneous combustion condition of the battery pack is limited, thereby achieving the effects of reducing the spontaneous combustion probability of the battery pack, playing a good protective role, ensuring that the battery pack is maintained in a relatively stable state, and also being capable of effectively inhibiting the internal temperature from being rapidly increased even if the internal element is damaged in high-temperature weather;
(2) Through setting up outage protective structure, when the unusual temperature of battery pack risees fast, through the switch-on of controller control power supply subassembly to the electro-magnet, finally make removal conductive component and fixed conductive component separation, and then make both form the state of breaking, make battery pack and outside power consumption unit be in the state of breaking, realize automatic power-off effect, carry out fine guard action to other power consumption units, force simultaneously with battery pack disconnection, can reduce the inside electric power output of battery pack, make its inside subassembly stop transmission operation, and then make inside temperature decline to some extent, use with cooling structure cooperation, play dual protection effect, further play the cooling effect, avoid inside temperature too high to lead to taking place spontaneous combustion.
Drawings
Fig. 1 is a schematic diagram of the structure of the inside of a new energy battery with an anti-spontaneous combustion structure provided by the invention;
FIG. 2 is a schematic view of the structure of the inside of the device case shown in FIG. 1;
FIG. 3 is an enlarged schematic view of portion A shown in FIG. 1;
fig. 4 is an enlarged schematic view of the portion B shown in fig. 1.
Reference numerals in the drawings: 1. the device comprises a battery box, 2, a refrigerating chamber, 3, a battery storage chamber, 4, a cooling structure, 41, a liquid nitrogen storage tank, 42, a recovery tank, 43, an air supply fan, 44, an air inlet head, 45, a spiral pipe fitting, 46, a first valve, 47, a check valve, 48, an air outlet pipe fitting, 49, a second valve, 5, a fixing structure, 51, a fixing clamping plate, 52, a buffer cushion, 53, a positioning rod, 54, a supporting spring, 55, a protective layer, 6, a battery assembly, 7, a power-off protective structure, 71, a device box, 72, a temperature sensor, 73, a connecting seat, 74, an electromagnet, 75, a power supply assembly, 76, a movable conductive assembly, 77, a connecting rod, 78, an elastic member, 79, a fixed conductive assembly, 8, a movable groove, 9, a ventilation structure, 91, a sealing cover, 92, a filter screen, 93, an electric telescopic rod, 10 and an air outlet.
Detailed Description
The invention will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, fig. 3, and fig. 4 in combination, fig. 1 is a schematic structural diagram of an inside of a new energy battery with an anti-spontaneous combustion structure according to the present invention; FIG. 2 is a schematic view of the structure of the inside of the device case shown in FIG. 1; FIG. 3 is an enlarged schematic view of portion A shown in FIG. 1; fig. 4 is an enlarged schematic view of the portion B shown in fig. 1. A new energy battery having an anti-self-ignition structure, comprising:
a battery box 1;
a refrigerating chamber 2, the refrigerating chamber 2 is arranged in the battery box 1, a battery storage chamber 3 is arranged in the battery box 1, a cooling structure 4 is arranged in the refrigerating chamber 2, the cooling structure 4 comprises a liquid nitrogen storage tank 41, a recovery tank 42, an air supply fan 43 and an air inlet head 44, the outside of the liquid nitrogen storage tank 41 is communicated with the outside of the recovery tank 42 through a spiral pipe fitting 45, a first valve 46 and a check valve 47 are respectively arranged outside the spiral pipe fitting 45, an air outlet pipe fitting 48 is communicated with one side of the air inlet head 44, a second valve 49 is arranged on the air outlet pipe fitting 48, one side of the air outlet pipe fitting 48 is kept in the same plane with the air supply fan 43, the air inlet head 44 is fixedly arranged on the left side of the battery box 1, the liquid nitrogen storage tank 41 and the recovery tank 42 are respectively positioned at the top and the bottom of the inside of the refrigerating chamber 2, and the spiral pipe fitting 45 is arranged on the right side of the air supply fan 43;
the battery storage device comprises a fixing structure 5, wherein the fixing structure 5 is arranged in the battery storage chamber 3, the fixing structure 5 comprises two fixing clamping plates 51, a battery assembly 6 is arranged between one sides of the two fixing clamping plates 51, the right side of the battery assembly 6 is provided with a power-off protection structure 7, the power-off protection structure 7 comprises a device box 71 and a temperature sensor 72, and the right side of the battery box 1 is provided with a ventilation structure 9.
The refrigerating chamber 2 and the battery storage chamber 3 are respectively positioned at the left side and the two sides of the inside of the battery box 1, one side of the inner surfaces of the refrigerating chamber 2 and the battery storage chamber 3 are communicated, compressed liquid nitrogen is stored in the liquid nitrogen storage tank 41, the recovery tank 42 is positioned at the bottom of the inside of the refrigerating chamber 2 and used for collecting liquid nitrogen discharged by the liquid nitrogen storage tank 41, the air supply fan 43 is externally connected with a power supply, the operation of the air supply fan is controlled by control air, the air inlet head 44 is fixedly arranged at the left side of the battery box 1 and used for ventilating the inside of the battery box 1, the spiral pipe fitting 45 is spirally arranged, after the liquid nitrogen in the liquid nitrogen storage tank 41 enters the spiral pipe fitting 45, the liquid nitrogen slowly flows, so that cold air is generated outside the spiral pipe fitting 45, the air supply fan blows the cold air outside the spiral pipe fitting 45 into the inside of the battery storage chamber 3, the battery assembly 6 inside the battery storage chamber 3 is cooled and cooled, one side of the first valve 46 is an electronic control valve, the inside of the liquid nitrogen storage tank 41 is opened and closed by a controller, the inside of the liquid nitrogen storage tank 41 is controlled to be led out, the liquid nitrogen in the side of the battery box 42 is positioned at one side of the liquid nitrogen storage tank 42, the inside the liquid nitrogen storage tank 42 is continuously opened and closed by the controller, and the air inlet head is continuously opened to the air inlet pipe fitting 48 is used for controlling the inside the air inlet pipe fitting to be opened to the controller and closed to the air inlet pipe fitting 48;
through setting up this cooling structure 4, mainly be used for producing the air conditioning and having carried out cooling to battery pack 6, when battery pack 6 inside temperature risees fast, detect temperature variation through temperature sensor 72, and send the signal immediately for the controller, through controlling its control cooling structure 4 operation, at this moment, open through control first valve 46 and check valve 47, and close second valve 49, make the inside liquid nitrogen of liquid nitrogen storage tank 41 flow to the inside of spiral pipe fitting 45, the inside slow flow of liquid nitrogen at this moment, make spiral pipe fitting 45 produce the air conditioning, then rotate through air supply fan 43, purge the air conditioning that produces to battery compartment 3 inside, make the air conditioning flow to the right side fast, cool down battery pack 6 through the air conditioning, this moment inside being in sealed state of whole battery compartment 3, inside air can't circulate fast, the effect of cooling down again, restrict the condition that the battery pack 6 takes place the spontaneous combustion, thereby reach the probability that reduces the battery pack, play fine guard effect, guarantee that the battery pack keeps at relatively steady state, even if damage appears in high temperature weather, even if cause inside temperature to rise, can also effectively be restrained when the inside temperature is fast.
The right side fixedly connected with connecting seat 73 of device box 71 inner wall, be provided with electro-magnet 74 on the connecting seat 73, the right side of device box 71 inner wall is provided with power supply module 75, one side of power supply module 75 with one side of electro-magnet 74 passes through wire connection.
The inside swing joint of device box 71 has the removal conductive component 76, the both sides at removal conductive component 76 top are all fixedly connected with connecting rod 77, the outside of connecting rod 77 with the inside sliding connection of connecting seat 73, the surface of connecting rod 77 just is located the top of removal conductive component 76 has cup jointed elastic component 78.
One side of the inner wall of the device box 71 is fixedly connected with a fixed conductive component 79, the top of the fixed conductive component 79 is clamped with the bottom of the movable conductive component 76, and one side of the movable conductive component 76 is connected with one side of the battery component 6 through a wire.
The device box 71 is fixedly connected with the right side of the battery box 1, the connecting seat 73 is used for fixing the electromagnet 74, the power supply assembly 75 provides power support for the electromagnet 74, the power cut-off switch is arranged inside, in the normal state, the power cut-off switch, the power supply assembly 75 and the electromagnet 74 form a circuit break, the movable conductive assembly 76 and one side of the battery assembly 6 are connected through wires, the electric power inside the battery assembly 6 is conducted out, the fixed conductive assembly 79 is connected with an external power utilization unit through wires, the electric power is conducted to each power utilization unit, the connecting rod 77 plays a limiting role on the movable conductive assembly 76, the movable conductive assembly 76 can be stably moved in the vertical direction on the connecting seat 73, the elastic piece 78 provides elastic support for the movable conductive assembly 76, the movable conductive assembly 76 is elastic, the movable conductive assembly 76 is located under the electromagnet 74, a metal block is arranged at the top of the movable conductive assembly, after the electromagnet 74 is electrified, the movable conductive assembly 76 is attracted upwards through the magnetic force of the electromagnet, the movable conductive assembly 79 is separated from the fixed conductive assembly 79 at the bottom, the movable conductive assembly is further separated from the fixed conductive assembly, the movable conductive assembly is in the circuit break state, the battery assembly 6 and the external power utilization unit through wires, the battery assembly 6 is in the circuit break state, the automatic power conduction to each power utilization unit is automatically, the movable conductive assembly is in the circuit break state, the battery assembly 76 plays a limiting role in the vertical direction, the internal power cut-off effect is realized, the battery assembly 6 is further, the internal power can be rapidly has a high temperature and can be further, the internal power can be further power is protected, the battery assembly is further and can be protected, the internal and the internal temperature is further can be further has a high temperature and can be protected, the internal and can be further the battery and has a high temperature and can be further the power and the battery and can be further can be protected.
The left side of the device box 71 is fixedly connected with the right side of the battery assembly 6, and one side of the temperature sensor 72 is fixedly connected with one side of the battery assembly 6.
The top and the bottom of the inner surface of the battery storage chamber 3 are respectively communicated with a movable groove 8, the outer part of the fixed clamping plate 51 is movably connected with the inner part of the movable groove 8, and two buffer cushions 52 are respectively arranged on one side of the fixed clamping plate 51 and one side of the inner surface of the movable groove 8.
The inside both sides of fixed splint 51 all sliding connection has locating lever 53, the surface of locating lever 53 just is located the bottom of fixed splint 51 has cup jointed supporting spring 54, the inboard of fixed splint 51 is provided with inoxidizing coating 55.
The fixed knot constructs 5 and is used for pressing from both sides tightly fixedly to battery pack 6 for battery pack 6 can be stably installed in battery storage compartment 3, two locating levers 53 are located the inside left and right sides of fixed splint 51 respectively, and the bottom fixed connection of locating lever 53 and movable tank 8 internal surface plays the location effect to fixed splint 51, make fixed splint 51 can be stable at the inside removal of movable tank 8, inoxidizing coating 55 is the elastic rubber material, play protection and insulating effect to the outside of battery pack 6, support spring 54 starts elasticity for fixed splint 51 and supports, make fixed splint 51 have certain cushioning effect, and use with the blotter 52 cooperation, play certain buffering cushioning effect to battery pack 6, when using, make battery pack 6 can keep steady state, make battery pack 6 safer when using.
The ventilation structure 9 comprises a sealing cover 91 and a filter screen 92, the right side of the battery box 1 is provided with an air outlet 10, and the outer part of the filter screen 92 is fixedly connected with the inner part of the air outlet 10.
Two electric telescopic rods 93 are fixedly connected to one side of the sealing cover 91, the other ends of the electric telescopic rods 93 are fixedly connected to the right side of the battery box 1, and one side of the sealing cover 91 is clamped with the inside of the air outlet 10.
The ventilation structure 9 is used for controlling the ventilation of the right side of the battery box 1, is used for controlling the ventilation of the right side of the battery box 1 and closing, the electric telescopic rod 93 is externally connected with a power supply, the electric telescopic rod 93 is controlled to stretch out and draw back through the controller, when the battery assembly 6 is cooled, the electric telescopic rod 93 is controlled to be shortened through the controller, the sealing cover 91 can be closed with the ventilation opening 10, the right side of the battery box 1 is further in a sealing state, the air inside the battery box 1 cannot normally circulate, and the cooling structure 4 is matched for starting the spontaneous combustion preventing function on the battery assembly 6.
The working principle of the new energy battery with the spontaneous combustion preventing structure provided by the invention is as follows:
when the temperature in the battery assembly 6 rises rapidly, the temperature sensor 72 detects the temperature change and immediately sends a signal to the controller, the controller controls the cooling structure 4 to operate, at the moment, the first valve 46 and the check valve 47 are controlled to be opened, and the second valve 49 is closed, so that liquid nitrogen in the liquid nitrogen storage tank 41 flows into the spiral pipe fitting 45, at the moment, the liquid nitrogen slowly flows in the spiral pipe fitting 45, the spiral pipe fitting 45 generates cold air, then the generated cold air is blown into the battery storage chamber 3 through the rotation of the air supply fan 43, the cold air flows to the right side rapidly, the battery assembly 6 is cooled through the cold air, at the moment, the whole battery storage chamber 3 is in a sealed state, the internal air cannot flow rapidly, and the condition of spontaneous combustion of the battery assembly 6 is limited by matching with the effect of cold air cooling, so that the possibility of spontaneous combustion of the battery assembly is reduced, and a good protection effect is achieved;
simultaneously, the controller controls the expansion and contraction of the battery assembly 6, and when the battery assembly 6 is cooled, the controller controls the electric expansion rod 93 to be contracted and contracted, so that the sealing cover 91 can be closed with the ventilation opening 10, and the right side of the battery box 1 is in a sealing state, and the air in the battery box 1 cannot normally circulate;
in addition, the controller simultaneously controls the power-off switch inside the power supply assembly 76 to be closed, so that the power supply assembly 76 and the electromagnet 74 form a passage, at the moment, the electromagnet 74 generates magnetic force after being electrified, the movable conductive assembly 76 can be attracted upwards, and then the movable conductive assembly is separated from the fixed conductive assembly 79 at the bottom, so that the movable conductive assembly and the fixed conductive assembly form a disconnection state, the battery assembly 6 and an external power utilization unit are in the disconnection state, and further when the internal temperature of the battery assembly 6 rises rapidly, the automatic power-off effect is realized, the other power utilization units are well protected, meanwhile, the movable conductive assembly is forced to be disconnected with the battery assembly 6, the internal power output of the battery assembly 6 can be reduced, the internal assembly stops the power transmission operation, further the internal temperature is reduced, the cooling effect is further achieved, and spontaneous combustion caused by the internal temperature is avoided.
Compared with the related art, the new energy battery with the spontaneous combustion preventing structure has the following beneficial effects:
(1) The cooling structure 4 is mainly used for generating cold air and cooling the battery assembly 6, when the temperature in the battery assembly 6 is rapidly increased, the temperature sensor 72 detects the temperature change and immediately sends a signal to the controller, and finally the battery assembly 6 is continuously purged with the cold air, the battery assembly 6 is effectively cooled, meanwhile, the second valve 49 and the ventilation structure 9 are closed, at the moment, the whole battery storage chamber 3 is in a sealed state, the internal air cannot rapidly circulate, the cooling effect of the cold air is matched, and the condition of spontaneous combustion of the battery assembly 6 is limited, so that the probability of spontaneous combustion of the battery assembly is reduced, a good protection effect is achieved, the battery assembly is ensured to be maintained in a relatively stable state, and an effective inhibition effect can be obtained even if the internal temperature is rapidly increased due to damage of high-temperature weather or internal elements;
(2) Through setting up outage protective structure 7, when the unusual temperature of battery pack 6 risees fast, power supply module 75 is circular telegram to electro-magnet 74 through the controller control, finally make removal conductive component 76 and fixed conductive component 79 separation, and then make both form the state of breaking circuit, make battery pack 6 and outside power consumption unit be in the state of breaking circuit, realize the auto-power-off effect, carry out fine guard action to other power consumption units, force simultaneously and battery pack 6 disconnection, can reduce the inside power output of battery pack 6, make its inside subassembly stop transmission operation, and then make inside temperature drop to some extent, use with cooling structure 4 cooperation, play dual guard effect, further play the cooling effect, avoid inside temperature too high to lead to taking place spontaneous combustion.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (6)
1. A new energy battery having an anti-spontaneous combustion structure, comprising:
a battery box;
the refrigerating chamber is arranged in the battery box, a battery storage chamber is arranged in the battery box, a cooling structure is arranged in the refrigerating chamber, the cooling structure comprises a liquid nitrogen storage tank, a recovery tank, an air supply fan and an air inlet head, the outside of the liquid nitrogen storage tank is communicated with the outside of the recovery tank through a spiral pipe fitting, a first valve and a check valve are respectively arranged outside the spiral pipe fitting, an air outlet pipe fitting is communicated with one side of the air inlet head, a second valve is arranged on the air outlet pipe fitting, one side of the air outlet pipe fitting and the air supply fan are kept in the same plane, the air inlet head is fixedly arranged on the left side of the battery box, the liquid nitrogen storage tank and the recovery tank are respectively positioned at the top and the bottom of the inside of the refrigerating chamber, and the spiral pipe fitting is arranged on the right side of the air supply fan;
the battery pack comprises a battery storage chamber and is characterized by comprising a fixing structure, wherein the fixing structure is arranged inside the battery storage chamber and comprises two fixing clamping plates, a battery pack is arranged between two opposite sides of the fixing clamping plates, the right side of the battery pack is provided with a power-off protection structure, the power-off protection structure comprises a device box and a temperature sensor, the right side of the inner wall of the device box is fixedly connected with a connecting seat, an electromagnet is arranged on the connecting seat, a power supply assembly is arranged on the right side of the inner wall of the device box, one side of the power supply assembly is connected with one side of the electromagnet through a wire and a wire, the inside of the device box is movably connected with a movable conductive assembly, two sides of the top of the movable conductive assembly are fixedly connected with a connecting rod, the outside of the connecting rod is connected with the inside of the connecting seat in a sliding manner, the outer surface of the connecting rod is positioned at the top of the movable conductive assembly, one side of the inner wall of the device box is fixedly connected with the fixed conductive assembly, the top of the fixed conductive assembly is clamped with the bottom of the movable conductive assembly, one side of the movable conductive assembly is connected with the battery pack through the wire and the right side of the battery pack is provided with a ventilation structure.
2. The new energy battery with anti-spontaneous combustion structure according to claim 1, wherein the left side of the device case is fixedly connected with the right side of the battery assembly, and one side of the temperature sensor is fixedly connected with one side of the battery assembly.
3. The new energy battery with the spontaneous combustion preventing structure according to claim 1, wherein the top and the bottom of the inner surface of the battery storage chamber are respectively communicated with a movable groove, the outer part of the fixed clamping plate is movably connected with the inner part of the movable groove, and two buffer cushions are respectively arranged on one side of the fixed clamping plate and one side of the inner surface of the movable groove.
4. The new energy battery with the spontaneous combustion preventing structure according to claim 1, wherein two sides of the inside of the fixed clamping plate are both connected with positioning rods in a sliding manner, supporting springs are sleeved on the outer surfaces of the positioning rods and positioned at the bottom of the fixed clamping plate, and a protective layer is arranged on the inner side of the fixed clamping plate.
5. The new energy battery with the spontaneous combustion preventing structure according to claim 1, wherein the ventilation structure comprises a sealing cover and a filter screen, an air outlet is formed in the right side of the battery box, and the outer part of the filter screen is fixedly connected with the inner part of the air outlet.
6. The new energy battery with the spontaneous combustion preventing structure according to claim 5, wherein one side of the sealing cover is fixedly connected with two electric telescopic rods, the other end of each electric telescopic rod is fixedly connected with the right side of the battery box, and one side of the sealing cover is clamped with the inside of the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011568216.XA CN112701377B (en) | 2020-12-26 | 2020-12-26 | New energy battery with spontaneous combustion preventing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011568216.XA CN112701377B (en) | 2020-12-26 | 2020-12-26 | New energy battery with spontaneous combustion preventing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112701377A CN112701377A (en) | 2021-04-23 |
| CN112701377B true CN112701377B (en) | 2023-08-15 |
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