CN115084714B

CN115084714B - Lithium battery device with dampproofing discharge and put automatic power supply function for a long time

Info

Publication number: CN115084714B
Application number: CN202210862363.0A
Authority: CN
Inventors: 闵永清; 汪琳; 闵炎
Original assignee: Changzhou Orix New Energy Technology Co ltd
Current assignee: Changzhou Orix New Energy Technology Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-11-08
Anticipated expiration: 2042-07-22
Also published as: CN115084714A

Abstract

The invention discloses a lithium battery device with moisture-proof discharge and long-time-placed automatic electricity supplementing functions, and relates to the technical field of lithium batteries. The lithium battery device is arranged aiming at the motor home, the solar panel can continuously supplement power for the battery, and the double protection of the outer box body and the inner box body constructs a stable protection mechanism for the battery assembly, so that the battery can keep stable operation in various states.

Description

Lithium battery device with dampproofing discharge and put automatic power supply function for a long time

Technical Field

The invention relates to the technical field of lithium batteries, in particular to a lithium battery device with moisture-proof discharge and long-term automatic power supply functions.

Background

The application of lithium batteries as new energy in the field of automobiles is higher and higher, various companies perform multiple settings aiming at the normal use of safety protection of battery boxes, but the motor home as a special type of vehicle does not have a matched battery box, and the battery box of the conventional vehicle cannot meet the requirements of the motor home due to the fact that the purposes, the use places, the use frequency and the like of the motor home are greatly different from those of the conventional vehicle.

Due to the fact that the size of the motor home is large, electricity utilization facilities on the motor home are more, the demand for batteries is large, the scale of a conventional battery box cannot meet the requirement of the motor home, and heat using accumulation can be caused if the battery density of the motor home is increased. Conventional lithium battery device's heat dissipation module can't dispel the heat fast to in the use, the calorific capacity of different batteries exists the difference, if for promoting the radiating effect, promote radiating equipment's power by force, lead to partial battery heat dissipation excessive easily, and then lead to battery surface temperature to hang down excessively, battery temperature hangs down the work efficiency that can seriously influence the battery, the balance of dispelling the heat to each battery of the unable pertinence of conventional equipment.

The motor home is higher in requirement on safety protection due to the fact that the motor home is occupied by people for a long time, a lithium battery always has potential safety hazards to a certain degree in the using process, and the conventional lithium battery device cannot effectively prevent the vehicle of the battery from being damaged when the battery deflagrates. On the other hand, the recreational vehicle used in a remote area for a long time can accumulate more moisture, the moisture can cause the electric charge to be accumulated in the lithium battery device, the accurate operation of the control circuit is further influenced, and the moisture cannot be effectively removed by the conventional lithium battery device.

Disclosure of Invention

The invention aims to provide a lithium battery device with moisture-proof discharge and long-time-set automatic power supply functions, so as to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a lithium cell device with prevent damp discharge and put automatic function of supplying electricity for a long time, including outer box, interior box, battery pack, the electricity supply subassembly, outer box sets up inside the automobile body, interior box sets up at outer box, battery pack sets up inside interior box, the electricity supply subassembly sets up at the automobile body top, the electricity supply subassembly includes the mounting panel, and a support, solar panel, mounting panel and automobile body upper surface fastening connect, support and mounting panel upper surface fastening connect, the one end fastening connection of mounting panel is kept away from to solar panel and support, mounting panel central point puts and is provided with the chamber that converges, converge and be provided with the guiding gutter around the chamber evenly distributed that converges. The lithium battery device is arranged aiming at the motor home, the solar panel can continuously supplement power for the battery, and the double protection of the outer box body and the inner box body constructs a stable protection mechanism for the battery assembly, so that the battery can be ensured to stably run in various states.

Further, battery pack includes battery cell, advances the liquid storehouse, drainage storehouse, regulation and control part, and the battery cell setting is inside regulation and control part, feed liquor storehouse and regulation and control part bottom fastening connection, drainage storehouse and regulation and control part top fastening connection, and the feed liquor storehouse passes through the pipe and links to each other with outside cold row output end, is provided with the delivery pump on the pipe, and the drainage storehouse passes through the pipeline and links to each other with outside cold row input end. The delivery pump conveys the coolant liquid into the liquid storehouse, and the coolant liquid that advances in the liquid storehouse is carried again to the drainage storehouse through regulation and control part in, and the battery unit is single cylinder lithium cell.

The regulating and controlling component comprises a heat transfer sleeve, an annular rolling plate, communication circular pipes, an annular covering plate and an outer sleeve, wherein the inner side of the heat transfer sleeve is attached to the battery unit, the outer side of the heat transfer sleeve is fixedly connected with the inner side of the annular rolling plate, the annular rolling plate is wound on the outer side of the heat transfer sleeve, the outer side of the annular rolling plate is fixedly connected with the outer sleeve, two groups of communication circular pipes are arranged on the upper side and the lower side of the outer sleeve respectively, one end, far away from the outer sleeve, of the communication circular pipe on the upper side of the outer sleeve is communicated with a liquid drainage bin, one end, far away from the outer sleeve, of the communication circular pipe on the lower side of the outer sleeve is communicated with the liquid drainage bin, a connecting rod is arranged between the inner ring and the outer ring of the communication circular pipe, the outer ring of the communication circular pipe is fixedly connected with the outer sleeve, the middle position of the end face of the annular rolling plate is attached to the outer side of the annular covering plate and one side of the inner ring of the communication circular rolling plate, the battery unit is fixedly connected to the inner side of the annular covering plate, a plugging block is arranged between different layers of the annular rolling plate, and the annular rolling plate are fixedly connected with the annular rolling plate. The cooling liquid passes through gaps of all layers of the annular rolled plate, the device only runs when the battery works, heat can be emitted when the battery works, the heat is transferred to the heat transfer sleeve, the heat transfer sleeve transfers the heat along the annular rolled plate, the layers of the annular rolled plate are separated by the blocking blocks, the blocking blocks are made of elastic sealing materials and are in an extruded state inside the annular rolled plate, one side of each blocking block is fixedly connected with the annular rolled plate, and the other side of each blocking block is slidably connected with the annular rolled plate. The cooling liquid is transferred from the layers outside the annular rolling plate in a normal state, the heat of the battery needs a certain time to be transferred to the outer layer of the annular rolling plate, and the heat dissipation mode can ensure that enough distance is kept between the heat dissipation fluid and the battery unit, so that the cooling liquid with lower temperature can be selected as the cooling agent, the battery unit cannot be in a low-temperature working state, and the working efficiency is further influenced. Only when the abnormal condition that generates heat appears in the battery, perhaps during the swell, heat transfer sleeve just can outside extrusion annular roll board, and the more number of piles of annular roll board enters into the coolant circulation scope, and the number of piles at coolant distance annular roll board center is reduced, and the area of contact between coolant and the annular roll board has increased, and heat exchange efficiency has obtained the increase in the unit interval, the promotion of very big degree the whole automatic adjustment speed when thermal unbalance of device.

Further, the heat transfer sleeve includes the arc piece, the arc telescopic link, drag the spring, the arc piece has a plurality of pieces, arc telescopic link both ends respectively with different arc piece fastening connection, drag the spring housing on the arc telescopic link, drag the arc piece fastening connection that spring both ends and arc telescopic link both ends are connected, a plurality of arc piece concatenates into the annular, the one side that battery unit was kept away from to the arc piece is rolled up inboard side fastening connection with the annular, one side that the arc piece is close to battery unit is provided with flexible platform, flexible platform one end and arc piece fastening connection, flexible platform other end and battery unit surface adsorption. The telescopic table is a stretchable structure, the specific connection relationship is a conventional technical means in the field, and no description is given, and the magnetic block is arranged on one side of the telescopic table close to the battery power supply and can be adsorbed on the surface of the battery unit. The telescopic table, the arc-shaped sheet and the annular rolling plate are all made of copper base materials, and have excellent heat-conducting performance. When certain battery unit appears the inflation, then can prop the outside with the arc piece, the length of arc telescopic link is elongated, and the ring radius increase of constituteing by arc piece and arc telescopic link, the annular roll board outwards expands, and heat transfer speed accelerates, and the temperature of battery falls fast, restraines the inside reaction of battery, prevents further inflation. When battery unit's temperature rose unusually, if the annular roll board can't in time spill the heat, the inside gas of arc telescopic link will be heated the inflation, and the length of arc telescopic link increases, and the arc piece also can be propped up to the outside, and the heat transfer area of annular roll board increases, and rate of heat dissipation increases.

Furthermore, the battery components are provided with a plurality of layers, the battery components are sequentially arranged in the inner box body, two sides of the inner box body are provided with an adjusting cover, a translation plate is arranged in the adjusting cover, a blocking spring and an airflow column are arranged below the solar panel, gas is filled in the heat sensing box, the heat sensing box is communicated with the inside of the airflow column through a pipeline, the adjusting cover is fixedly connected with the side wall of the inner box body, a plurality of jet holes are formed in the side wall of the inner box body, the jet holes are covered by the adjusting cover, the translation plate is slidably connected with the adjusting cover, one end of the blocking spring is fixedly connected with one side, far away from the inner box body, of the translation plate, the other end of the blocking spring is fixedly connected with the inner wall of the adjusting cover, one end of the airflow column is fixedly connected with one side, close to the side wall of the inner box body, of the airflow column is fixedly connected with the side wall of the inner box body, an air vent hole is formed in the side wall of the adjusting cover, the air hole is located in the side wall of the adjusting cover, and is located in the side, far away from the inner box body, of the translation plate, and is located in the air hole. The external air flow can only enter the outer box body and cannot enter the inner box body in a conventional state, only when the external weather is clear, when the temperature of the solar panel is raised to a certain degree by sunlight irradiation, the heat sensing box can obtain enough heat, the pressure of the air in the heat sensing box after the heat is obtained is increased, and part of the air is input into the air flow column.

Further, the inner box body is fixedly connected with the inner wall of the outer box body through a supporting rod, an air inlet unit and a pressure relief unit are arranged on the side wall of the outer box body, the air inlet unit comprises a straight pipe, an undulating pipe, a windward plate and an ejection spring, a straight hole is formed in the side wall of the outer box body, the straight pipe is in sliding connection with the straight hole, an undulating hole is formed in one side, extending out of the outer box body, of the straight pipe, the undulating pipe is in sliding connection with the undulating hole, a floating block is arranged at the lower end of the undulating pipe, one end, inserted into the outer box body, of the straight pipe is in fastening connection with the windward plate, the ejection spring is sleeved on the straight pipe, one end of the ejection spring is in fastening connection with the windward plate, the other end of the ejection spring is in fastening connection with the inner wall of the outer box body, a ventilation hole is formed in the straight pipe, the two ends of the ventilation hole are communicated with the inner wall of the straight pipe, a conduction hole is formed in the undulating hole, and the conduction hole is conducted with the ventilation hole when the floating block does not float. The air inlet unit arranged on the outer box body is used for coping with extreme conditions, and tourists and the like often reach remote areas due to long-term external use, and have to have measures for coping with emergency conditions. Under the normal condition, external gas takes a breath through pipe and external world, when surface gathered water appears, if ponding is higher, in order to avoid ponding to get into lithium battery device, the floating block can drive the direct blocking of undulant pipe come-up breather hole when contacting external water. When the battery deflagration appears in the internal portion of interior box, if interior box is not in the state of taking a breath this moment, then the internal box can be isolated once earlier to the detonation, and the heat of deflagration makes the internal portion gas pressure intensity of outer box suddenly increase, and external gas can carry out the heat transfer with the internal portion gas of outer box, reduces its temperature. When the battery is in a ventilation state during detonation, gas generated by the detonation of the inner box body can quickly impact the outer box body, the ventilation holes cannot exhaust the gas flow, at the moment, the gas flow impacts the windward plate, the windward plate can press the straight-through pipe under the impact of the gas flow, the straight-through pipe extends out of the outer box body, the ventilation holes are blocked, the inner part of the outer box body is isolated, and oxygen input is blocked.

Further, the pressure release unit includes the pressure release cover, arrange the compression leg, the piston plate, the resistance spring, first through-hole, the second through-hole, the regulation hole, the fixed plate, the movable block, the extension rod, pressure release cover and outer box inner wall fastening connection, piston plate and pressure release cover sliding connection, resistance spring one end and piston plate fastening connection, the resistance spring other end and outer box lateral wall fastening connection, arrange compression leg one end and insert outer box internal portion, arrange compression leg and piston plate fastening connection, first through-hole, the second through-hole sets up inside arranging the compression leg, one side UNICOM of outer box is kept away from to first through-hole one end and piston plate surface, second through-hole one end and first through-hole link to each other, the one end and the row compression leg surface that first through-hole was kept away from to the second through-hole are linked together, be the right angle between first through-hole and the second through-hole, the regulation hole also sets up inside arranging the compression leg, the regulation hole passes from second through-hole intermediate position, the fixed plate, the movable block all sets up inside the regulation hole, fixed plate and regulation hole fastening connection, movable block and extension rod. After the battery detonation accident, the battery is sealed fire-retardant, but outer box internal portion still has higher atmospheric pressure, and heat up at the detonation, outer box internal portion air current temperature is high, high temperature air current can make the fixed plate keep away from the gas pressure promotion of movable block one side, the extension rod can extend, the movable block can stretch out, and block up the second through-hole, the pressure release mouth is blocked, high-pressure gas oppresses the piston plate, the inside gas of pressure release cover and external UNICOM, the piston plate can outwards promote the pressure release post under the high-pressure gas effect, second through-hole and outer box external portion UNICOM, when gas temperature reduces, show that the detonation has stopped, the movable block resets after the detonation stops, the high-pressure gas of outer box internal portion is by the release gradually, after the accident, outer box internal portion has regained normal atmospheric pressure again, more be favorable to the development of follow-up maintenance work.

Furthermore, the electricity supplementing component further comprises a drainage cavity, a guide wheel and a generator, one end of the drainage cavity is connected with the confluence cavity, the other end of the drainage cavity is communicated with the bottom of the vehicle body, a mounting groove is formed in the side wall of the drainage cavity, the guide wheel is rotatably connected with the mounting groove, the generator is embedded outside the mounting groove, the guide wheel is fixedly connected with an input shaft of the generator, and one side of the guide wheel extends into the drainage cavity. The converging cavity can be collected external rainwater when rainy day, and the rainwater moves along the drainage cavity, drives the guide wheel and rotates, and the guide wheel rotates and drives the generator operation, and the generator operation is supplied for the lithium cell because place the electric quantity of lapse for a long time.

Compared with the prior art, the invention has the following beneficial effects: when the batteries are in an abnormal heating state or bulge, the regulation and control component can extrude the annular rolling plate outwards, more layers of the annular rolling plate enter a flow range of the coolant, the layer of the coolant away from the center of the annular rolling plate is reduced, the contact area between the coolant and the annular rolling plate is increased, the heat exchange efficiency in unit time is increased, the automatic regulation rate of the whole device in thermal unbalance is greatly improved, and accurate heat exchange regulation and control are provided for each single battery. The adjusting cover ensures that the inner box body can exchange air flow only under the condition of low external air humidity, greatly reduces the accumulation of moisture, and ensures that the battery in the inner box body can be effectively ventilated and can also avoid moisture and charge accumulation. On the other hand, the invention also utilizes the fluctuation of the external environment in a higher temperature interval to promote the flow of the air flow and obviously improve the ventilation effect. The air inlet unit and the pressure relief unit are mutually matched, so that the box body can be self-blocked by the impact of the inner wall airflow when the battery is self-ignited, and the influence of the self-ignition on external facilities is avoided. After the spontaneous combustion is blocked, the internal pressure of the box body is slowly released automatically after the temperature is reduced, the situation that the strength of the box body is influenced by the continuous existence of overhigh pressure is avoided, and the obstacles in maintenance are reduced. The electricity supplementing assembly disclosed by the invention can be used for continuously supplementing electricity to the battery by utilizing the energy provided by the external natural environment, so that the sufficient electric quantity can still be kept in the process of placing the battery for a long time, and the endurance time of the lithium battery device is greatly prolonged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a partial sectional view of the present invention;

FIG. 2 is a sectional view showing an inner structure of an outer case according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a partial enlarged view of FIG. 2 at B;

FIG. 5 is a cross-sectional view of a battery cell of the present invention;

FIG. 6 is a sectional view showing the internal structure of the inner case of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 at C;

FIG. 8 is a schematic view of the leading wheel, generator position of the present invention;

in the figure: 1-outer box, 11-air inlet unit, 111-straight pipe, 112-fluctuation pipe, 113-windward plate, 114-ejection spring, 12-pressure relief unit, 121-pressure relief sleeve, 122-pressure relief column, 123-piston plate, 124-resistance spring, 125-first through hole, 126-second through hole, 127-adjusting hole, 128-fixing plate, 129-movable block, 1210-extension rod, 2-inner box, 21-adjusting cover, 22-translation plate, 23-blocking spring, 24-airflow column, 3-battery component, 31-battery unit, 32-liquid inlet bin, 33-liquid outlet bin, 34-regulating component, 341-heat transfer sleeve, 3411-arc piece, 3412-arc telescopic rod, 3-pulling spring, 342-annular rolling plate, 343-annular covering plate, 344-annular covering plate, 345-outer sleeve, 4-electric compensation component, 41-mounting plate, 42-solar panel, 43-support, 43-flow relief chamber, 34144-guide wheel, 45-guide wheel 46-annular covering plate, and power generator.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, the present invention provides a technical solution:

as shown in fig. 1-8, a lithium cell device with dampproofing discharge and automatic function of supplying electricity of putting for a long time, including outer box 1, interior box 2, battery pack 3, supply electric subassembly 4, outer box 1 sets up inside the automobile body, interior box 2 sets up inside outer box 1, inside box 2 including battery pack 3 sets up, supply electric subassembly 4 sets up at the automobile body top, supply electric subassembly 4 including mounting panel 41, support 42, solar panel 43, mounting panel 41 and automobile body upper surface fastening connect, support 42 and mounting panel 41 upper surface fastening connect, solar panel 43 and support 42 keep away from the one end fastening connection of

mounting panel

41, 41 central point of mounting panel puts and is provided with the chamber of converging, be provided with the guiding gutter around the chamber of converging, the guiding gutter is around converging chamber evenly distributed. The lithium battery device is arranged aiming at the motor home, the solar panel 43 can continuously supplement power for the battery, the double protection of the outer box body 1 and the inner box body 2 constructs a stable protection mechanism for the battery component 3, and the battery can be ensured to keep stable operation in various states.

Battery pack 3 includes battery unit 31, feed liquor storehouse 32, drainage storehouse 33, regulation and control part 34, and battery unit 31 sets up inside regulation and control part 34, and feed liquor storehouse 32 and regulation and control part 34 bottom fastening connection, drainage storehouse 33 and regulation and control part 34 top fastening connection, and feed liquor storehouse 32 links to each other through pipe and outside cold row output end, is provided with the delivery pump on the pipe, and drainage storehouse 33 links to each other through pipeline and outside cold row input. The delivery pump delivers the cooling liquid to the liquid inlet bin 32, the cooling liquid in the liquid inlet bin 32 is delivered to the liquid discharge bin 33 through the regulating and controlling component 34, and the battery unit 31 is a single cylindrical lithium battery.

The regulating and controlling component 34 comprises a heat transfer sleeve 341, an annular rolling plate 342, a communicating ring pipe 343, an annular covering plate 344 and an outer sleeve 345, the inner side of the heat transfer sleeve 341 is jointed with the battery unit 31, the outer side of the heat transfer sleeve 341 is tightly connected with the inner side of the annular rolling plate 342, the annular rolling plate 342 is wound on the outer side of the heat transfer sleeve 341, the outer side of the annular rolling plate 342 is tightly connected with the outer sleeve 345, two groups of communicating ring pipes 343 are respectively arranged at the upper side and the lower side of the outer sleeve 345, one end of the communicating ring pipe 343, which is far away from the outer sleeve 345, is communicated with the liquid drainage bin 33, one end of the communicating ring 343, which is arranged at the lower side of the outer sleeve 345, which is far away from the outer sleeve 345, is communicated with the liquid inlet bin 32, a connecting rod is arranged between the inner ring 343 and the outer ring, the outer ring 343 is tightly connected with the outer sleeve 345, the middle position of the inner ring 343 and the end surface of the annular rolling plate 342 is jointed, the outer side of the annular covering plate 344 and one side of the annular rolling plate 342, the outer ring 343 is tightly connected with the inner ring 343, the inner side of the annular covering plate 344, the battery unit 31 is arranged at the inner side of the annular covering plate 342, and the annular covering plate 31 is arranged between different layers of the annular rolling plate 342. The cooling liquid passes through gaps of all layers of the annular rolling plate 342, the device only runs when the battery works, heat is generated when the battery works, the heat is transferred to the heat transfer sleeve 341, the heat transfer sleeve 341 transfers the heat along the annular rolling plate 342, the layers of the annular rolling plate 342 are separated by the blocking blocks, the blocking blocks are made of elastic sealing materials and are in an extruded state inside the annular rolling plate 342, one side of each blocking block is tightly connected with the annular rolling plate 342, and the other side of each blocking block is in sliding connection with the annular rolling plate 342. The cooling liquid is transferred from the outer layers of the annular rolling plate 342 in a normal state, the heat of the battery needs a certain time to be transferred to the outer layer of the annular rolling plate 342, and the heat dissipation mode can ensure that the sufficient distance is kept between the heat dissipation fluid and the battery unit 31, so that the cooling liquid with lower temperature can be selected as the cooling agent, the battery unit 31 cannot be in a low-temperature working state, and the working efficiency is further influenced. Only when the battery abnormal state that generates heat appears, perhaps during the swell, heat transfer sleeve 341 just can outside extrusion annular roll board 342, and more number of piles of annular roll board 342 enters into the coolant circulation scope, and the number of piles of coolant distance annular roll board 342 center is reduced, and the area of contact between coolant and the annular roll board 342 has increased, and heat exchange efficiency has obtained the increase in the unit interval, the promotion of very big degree the whole automatic adjustment rate when thermal unbalance of device.

Heat transfer sleeve 341 includes arc piece 3411, arc telescopic link 3412, pull spring 3413, arc piece 3411 has a plurality of, arc telescopic link 3412 both ends respectively with different arc piece 3411 fastening connection, pull spring 3413 cover is on arc telescopic link 3412, pull arc piece 3411 fastening connection that spring 3413 both ends and arc telescopic link 3412 both ends are connected, a plurality of arc piece 3411 concatenates annularly, one side that arc piece 3411 keeps away from battery unit 31 and the inboard side fastening connection of annular roll board 342, one side that arc piece 3411 is close to battery unit 31 is provided with telescopic table 3414, telescopic table 3414 one end and arc piece 3411 fastening connection, telescopic table 3414 other end and battery unit 34131 surface adsorption. The telescopic table 3414 is a stretchable structure, the specific connection relationship thereof is a conventional means in the art, and a magnetic block is disposed on a side of the telescopic table 3414 close to the battery power supply and can be attached to the surface of the battery cell. The telescopic table 3414, the arc-shaped pieces 3411 and the annular rolling plate 342 are made of copper base materials, and have excellent heat-conducting performance. When a certain battery unit 31 expands, the arc-shaped piece 3411 is supported outwards, the length of the arc-shaped telescopic rod 3412 is lengthened, the radius of a circular ring formed by the arc-shaped piece 3411 and the arc-shaped telescopic rod 3412 is increased, the circular rolling plate 342 expands outwards, the heat exchange speed is increased, the temperature of the battery is rapidly reduced, the reaction inside the battery is inhibited, and further expansion is prevented. When the temperature of the battery unit 31 rises abnormally, if the annular rolling plate 342 cannot dissipate heat in time, the gas inside the arc-shaped telescopic rod 3412 is heated and expanded, the length of the arc-shaped telescopic rod 3412 is increased, the arc-shaped pieces 3411 are also supported outwards, the heat exchange area of the annular rolling plate 342 is increased, and the heat dissipation rate is increased.

The battery components 3 are provided with a plurality of layers, the plurality of layers of battery components 3 are sequentially arranged in the inner box body 2, two sides of the inner box body 2 are provided with adjusting covers 21, a translation plate 22 is arranged inside the adjusting cover 21, blocking springs 23 and an airflow column 24 are arranged below the solar panel 43, the inner part of each heating box is filled with gas, the heating boxes are communicated with the inner part of the airflow column 24 through pipelines, the adjusting covers 21 are fixedly connected with the side wall of the inner box body 2, a plurality of jet holes are arranged on the side wall of the inner box body 2 and are covered by the adjusting covers 21, the translation plate 22 is slidably connected with the adjusting covers 21, one end of each blocking spring 23 is fixedly connected with one side of the translation plate 22 far away from the inner box body 2, the other end of each blocking spring 23 is fixedly connected with the inner wall of the adjusting cover 21, one end of each airflow column 24 is fixedly connected with one side of the translation plate 22 close to the inner box body 2, the other end of each airflow column 24 is fixedly connected with the side wall of the inner box body 2, the side wall of the adjusting cover 21 is provided with an air vent hole, the air hole arranged on the side wall of the adjusting cover 21, and is arranged on the side wall of the adjusting cover 21 slidably connected with the translation plate 22, and located on one side of the side wall of the translation plate 22 far away from the inner box body 2. In a conventional state, external air flow can only enter the outer box body 1 and cannot enter the inner box body 2, only when the external weather is clear and sunlight irradiates to enable the temperature of the solar panel 43 to rise to a certain degree, the heat sensing box can obtain enough heat, the pressure of the air inside the heat sensing box after the heat is obtained is increased, part of the air is input into the air flow column, the air flow column 24 can be lengthened and shortened, the air flow column 24 can be lengthened due to the input of the external air flow, the translation plate 22 presses the blocking spring, the air hole can be communicated with one end, close to the inner box body 2, of the adjusting cover 21, external dry air flow can enter the inner box body 2 from the air hole and the jet hole, the air flow penetrates through the battery units 31 to ventilate the inner box body 2, when the temperature reaches the opening limit of the air hole, the temperature can still fluctuate, the translation plate 22 also moves in the process of high fluctuation of the external temperature, each movement of the translation plate 22 is buffered by the blocking spring 23, and further causes the blocking spring 23 to vibrate for many times, the change and adjust the air flow inside the adjusting cover 21, and the circulation effect of the air in the inner box body 2 is promoted.

The inner box body 2 is fixedly connected with the inner wall of the outer box body 1 through a support rod, an air inlet unit 11 and a pressure relief unit 12 are arranged on the side wall of the outer box body 1, the air inlet unit 11 comprises a straight-through pipe 111, an undulating pipe 112, a windward plate 113 and an ejection spring 114, a straight-through hole is formed in the side wall of the outer box body 1, the straight-through pipe 111 is in sliding connection with the straight-through hole, an undulating hole is formed in one side, extending out of the outer box body 1, of the straight-through pipe 111, the undulating pipe 112 is in sliding connection with the undulating hole, a floating block is arranged at the lower end of the undulating pipe 112, one end, inserted into the outer box body 1, of the straight-through pipe 111 is in fastening connection with the windward plate 113, the ejection spring 114 is sleeved on the straight-through pipe 111, one end of the ejection spring 114 is in fastening connection with the windward plate 113, the other end of the ejection spring 114 is in fastening connection with the inner wall of the outer box body 1, a ventilation hole is formed in the straight-through pipe 111, two ends of the ventilation hole are formed in the undulating pipe 112, and a conduction hole is formed in the ventilation hole when the floating block is not floated. The air intake unit 11 provided in the outer case 1 is used for coping with extreme conditions, and vehicles such as house cars may often arrive at remote areas due to long-term external use, and it is necessary to have measures for coping with emergency conditions. Under normal conditions, external gas takes a breath through pipe 111 and the external world, and when surface ponding appeared, if ponding is higher, in order to avoid ponding to get into lithium battery device, the floating block can drive undulant pipe 112 come-up breather hole and directly block when contacting external water. When the battery deflagration appears in interior box 2 inside, if interior box 2 is not in the state of taking a breath this moment, then interior box 2 can be isolated once earlier to the detonation, and the heat of deflagration makes the 1 inside gas pressure intensity of outer box suddenly increase, and external gas can carry out the heat transfer with 1 inside gas in outer box, reduces its temperature. When the battery is in a ventilation state when the battery is detonated, gas generated by detonation of the inner box body 2 can quickly impact the outer box body 1, the ventilation holes cannot exhaust the gas flow, at the moment, the gas flow impacts the windward plate, the windward plate can press the through pipe 111 under the impact of the gas flow, the through pipe 111 extends out of the outer box body 1, the ventilation holes are blocked, the inner part of the outer box body 1 is isolated, and oxygen input is blocked.

The pressure relief unit 12 comprises a pressure relief sleeve 121, a pressure relief column 122, a piston plate 123, a resistance spring 124, a first through hole 125, a second through hole 126, an adjusting hole 127, a fixing plate 128, a movable block 129 and an extension rod 1210, the pressure relief sleeve 121 is tightly connected with the inner wall of the outer box 1, the piston plate 123 is slidably connected with the pressure relief sleeve 121, one end of the resistance spring 124 is tightly connected with the piston plate 123, the other end of the resistance spring 124 is tightly connected with the side wall of the outer box 1, one end of the pressure relief column 122 is inserted into the outer box 1, the pressure relief column 122 is tightly connected with the piston plate 123, the first through hole 125 and the second through hole 126 are arranged inside the pressure relief column 122, one end of the first through hole 125 is communicated with one side of the surface of the piston plate 123 far away from the outer box 1, one end of the second through hole 126 is connected with the first through hole 125, one end of the second through hole 126, which is far away from the first through hole 125, is communicated with the surface of the pressure discharge column 122, the first through hole 125 and the second through hole 126 form a right angle, the adjusting hole 127 is also arranged inside the pressure discharge column 122, the adjusting hole 127 penetrates through the middle position of the second through hole 126, the fixing plate 128 and the movable block 129 are both arranged inside the adjusting hole 127, the fixing plate 128 is fixedly connected with the adjusting hole 127, the movable block 129 is slidably connected with the adjusting hole 127, one end of the extension rod 1210 is fixedly connected with the fixing plate 128, the other end of the extension rod 1210 is fixedly connected with the movable block 129, the extension rod 1210 is telescopic, and the inside of the extension rod 1210 is communicated with one end of the fixing plate 128, which is far away from the movable block 129. After the battery explosion accident, the battery is sealed and flame-retardant, but there is still higher atmospheric pressure inside the outer box 1, and the temperature rises at the time of explosion, the temperature of the air flow inside the outer box is extremely high, the high-temperature air flow can make the fixed plate 128 keep away from the gas pressure on one side of the movable block 129 and promote, the extension rod 1210 can extend, the movable block 129 can stretch out, and plug up the second through hole 126, the pressure relief opening is blocked, the high-pressure gas compresses the piston plate 123, the internal gas and the external world of the pressure relief sleeve 121 are communicated, the piston plate 123 can outwards push the pressure exhaust column 122 under the action of the high-pressure gas, the second through hole 126 is communicated with the outside of the outer box 1, when the gas temperature is reduced, it indicates that the explosion has stopped, the movable block 129 resets after the explosion stops, the high-pressure gas inside the outer box 1 is gradually released, after the accident occurs, the normal atmospheric pressure has been restored inside the outer box 1, and the development of the follow-up maintenance work is more facilitated.

The electricity supplementing assembly 4 further comprises a drainage cavity 44, a guide wheel 45 and a generator 46, one end of the drainage cavity 44 is connected with the collecting cavity, the other end of the drainage cavity 44 is communicated with the bottom of a vehicle body, an installation groove is formed in the side wall of the drainage cavity 44, the guide wheel 45 is rotatably connected with the installation groove, the generator 46 is embedded outside the installation groove, the guide wheel 45 is fixedly connected with an input shaft of the generator 46, and one side of the guide wheel 45 extends into the drainage cavity 44. The converging cavity can collect external rainwater in rainy days, the rainwater moves along the drainage cavity 44 to drive the guide wheel 45 to rotate, the guide wheel 45 rotates to drive the generator 46 to operate, and the generator 46 operates to supplement the electric quantity of the lithium battery which is stored for a long time.

The working principle of the invention is as follows: when the battery works, the cooling liquid passes through gaps of the layers of the circular rolling plate 342, when a certain battery unit 31 expands, the arc-shaped piece 3411 is supported outwards, the length of the arc-shaped telescopic rod 3412 is lengthened, the radius of the circular ring formed by the arc-shaped piece 3411 and the arc-shaped telescopic rod 3412 is increased, the circular rolling plate 342 expands outwards, the heat exchange speed is increased, the temperature of the battery is rapidly reduced, the reaction in the battery is inhibited, and further expansion is prevented. When the temperature of the battery unit 31 rises abnormally, if the annular rolling plate 342 cannot dissipate heat in time, the gas inside the arc-shaped telescopic rod 3412 is heated and expanded, the length of the arc-shaped telescopic rod 3412 is increased, the arc-shaped pieces 3411 are also supported outwards, and the heat exchange area of the annular rolling plate 342 is increased. When the external weather is clear, the temperature of the solar panel 43 rises to a certain degree by sunlight irradiation, the heat sensing box can obtain enough heat, the pressure of gas in the heat sensing box after the heat is obtained is increased, part of the gas is input into the gas flow column, the gas flow column 24 is lengthened by the input of external gas flow, the translation plate 22 presses the blocking spring, the vent hole is communicated with one end of the adjusting cover 21 close to the inner box body 2, and external dry gas flow enters the inner box body 2 from the vent hole and the jet hole. When the battery deflagration appears in interior box 2 inside, if interior box 2 is not in the state of taking a breath this moment, then interior box 2 can be isolated once earlier to the detonation, and the heat of deflagration makes the 1 inside gas pressure intensity of outer box suddenly increase, and external gas can carry out the heat transfer with 1 inside gas in outer box, reduces its temperature. When the battery takes place the detonation, interior box 2 is being in the state of taking a breath, the gas that interior box 2 detonation produced can strike outside box 1 fast, the scavenge port is too late with the air current discharge, the air current strikes on the windward plate this moment, the windward plate can be at the air current impact down compel through pipe 111, through pipe 111 extends outside box 1, the scavenge port is blockked up, the inside isolated of outer box 1 has blocked oxygen input, the pressure release unit can carry out the pressure release to outer box after the internal temperature of outer box drops.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a lithium battery device with dampproofing discharge and put automatic power supply function for a long time which characterized in that: the device comprises an outer box body (1), an inner box body (2), a battery assembly (3) and an electricity supplementing assembly (4), wherein the outer box body (1) is arranged inside a vehicle body, the inner box body (2) is arranged inside the outer box body (1), the battery assembly (3) is arranged inside the inner box body (2), the electricity supplementing assembly (4) is arranged at the top of the vehicle body, the electricity supplementing assembly (4) comprises a mounting plate (41), a support (42) and a solar panel (43), the mounting plate (41) is in fastening connection with the upper surface of the vehicle body, the support (42) is in fastening connection with the upper surface of the mounting plate (41), the solar panel (43) and the support (42) are in fastening connection with one end far away from the mounting plate (41), a collecting cavity is arranged at the central position of the mounting plate (41), flow guide grooves are arranged around the collecting cavity, and are uniformly distributed around the collecting cavity;

the battery component (3) comprises a battery unit (31), a liquid inlet bin (32), a liquid discharging bin (33) and a regulating and controlling component (34), wherein the battery unit (31) is arranged inside the regulating and controlling component (34), the bottom of the liquid inlet bin (32) is fixedly connected with the bottom of the regulating and controlling component (34), the top of the liquid discharging bin (33) is fixedly connected with the top of the regulating and controlling component (34), the liquid inlet bin (32) is connected with an external cold discharge output end through a guide pipe, a conveying pump is arranged on the guide pipe, and the liquid discharging bin (33) is connected with an external cold discharge input end through a pipeline;

the regulating and controlling part (34) comprises a heat transfer sleeve (341), an annular rolling plate (342), two groups of communicating circular pipes (343), an annular covering plate (344) and an outer sleeve (345), the inner side of the heat transfer sleeve (341) is jointed with the battery unit (31), the outer side of the heat transfer sleeve (341) is tightly connected with the inner side of the annular rolling plate (342), the annular rolling plate (342) is wound on the outer side of the heat transfer sleeve (341), the outer side of the annular rolling plate (342) is tightly connected with the outer sleeve (345), two groups of communicating circular pipes (343) are arranged on the upper side and the lower side of the outer sleeve (345) respectively, one end of the communicating circular pipe (343) on the upper side of the outer sleeve (345), which is far away from the outer sleeve (345), is communicated with the liquid drainage bin (33), one end of the communicating circular pipe (343) on the lower side of the outer sleeve (345), which is far away from the liquid drainage bin (32), a connecting rod is arranged between the inner ring (343) and the outer ring (343), the outer ring (343) and the inner ring (344) are tightly connected with the outer sleeve (345), the outer ring (343), one side of the annular rolling plate (343) is tightly connected with the outer sleeve (345), the inner ring (344), the inner ring (345), one side of the inner ring (345), the inner ring (344), the communicating circular pipe (345) is tightly connected with the annular rolling plate (344), the annular covering plate (344), the outer ring (344), the inner ring (345), the inner ring (344), the inner ring (345), the end surface of the annular rolling plate (344), the inner ring (345) is tightly connected with the outer ring (344), the end of the inner ring (344), the annular rolling plate (344), the outer ring (344), the inner ring (344), the outer ring (345) is tightly connected with the end of the annular rolling plate (344), the annular covering plate (345), plugging blocks are arranged among different layers of the annular rolling plate (342), and the plugging blocks are fixedly connected with the annular rolling plate (342);

heat transfer cover (341) include arc piece (3411), arc telescopic link (3412), pull spring (3413), arc piece (3411) has a plurality of, and arc telescopic link (3412) both ends are respectively with different arc piece (3411) fastening connection, pull spring (3413) cover is on arc telescopic link (3412), pull arc piece (3411) fastening connection that spring (3413) both ends and arc telescopic link (3412) both ends are connected, a plurality of arc piece (3411) is established ties annularly, one side and the inboard side fastening connection of annular roll board (342) that battery unit (31) were kept away from to arc piece (3411), one side that arc piece (3411) is close to battery unit (31) is provided with flexible platform (3414), flexible platform (3414) one end and arc piece (3411) fastening connection, flexible platform (3414) other end and battery unit (31) surface absorption.

2. The lithium battery device with moisture-proof discharge and long-term automatic power supply functions as claimed in claim 1, wherein: the battery components (3) are provided with a plurality of layers, the plurality of layers of battery components (3) are sequentially arranged in the inner box body (2), two sides of the inner box body (2) are provided with adjusting covers (21), a translation plate (22), a blocking spring (23) and an airflow column (24) are arranged in the adjusting covers (21), a heat sensing box is arranged below the solar panel (43), gas is filled in the heat sensing box, the heat sensing box is communicated with the inside of the airflow column (24) through a pipeline, the adjusting cover (21) is tightly connected with the side wall of the inner box body (2), the side wall of the inner box body (2) is provided with a plurality of jet holes, the jet holes are covered by an adjusting cover (21), the translation plate (22) is connected with the adjusting cover (21) in a sliding way, one end of the blocking spring (23) is fixedly connected with one side of the translation plate (22) far away from the inner box body (2), the other end of the blocking spring (23) is fixedly connected with the inner wall of the adjusting cover (21), one end of the airflow column (24) is fixedly connected with one side of the translation plate (22) close to the inner box body (2), the other end of the airflow column (24) is fixedly connected with the side wall of the inner box body (2), the side wall of the adjusting cover (21) is provided with a vent hole which is positioned on the side wall of the adjusting cover (21) which is connected with the translation plate (22) in a sliding way, the vent hole is positioned on one side of the translation plate (22) far away from the inner box body (2).

3. The lithium battery device with moisture-proof discharge and long-term automatic power-on function as claimed in claim 2, wherein: the inner box body (2) is fixedly connected with the inner wall of the outer box body (1) through a supporting rod, an air inlet unit (11) and a pressure relief unit (12) are arranged on the side wall of the outer box body (1), the air inlet unit (11) comprises a straight-through pipe (111), a fluctuating pipe (112), a windward plate (113) and an ejection spring (114), the side wall of the outer box body (1) is provided with a straight-through hole, the straight-through pipe (111) is in sliding connection with the straight-through hole, one side, extending out of the outer box body (1), of the straight-through pipe (111) is provided with a fluctuating hole, the fluctuating pipe (112) is in sliding connection with the fluctuating hole, the lower end of the fluctuating pipe (112) is provided with a floating block, one end, inserted into the outer box body (1), of the straight-through pipe (111) is in fastening connection with the windward plate (113), the ejection spring (114) is sleeved on the straight-through pipe (111), one end of the ejection spring (114) is in fastening connection with the windward plate (113), the other end of the ejection spring (114) is in fastening connection with the inner wall of the outer box body (1), a ventilation hole is provided with the floating block, the ventilation hole, and the ventilation hole is communicated with the floating block when the straight-through pipe (111) and the ventilation hole and the floating block is not communicated with the floating block.

4. The lithium battery device with moisture-proof discharge and long-term automatic power-on function as claimed in claim 3, wherein: the pressure relief unit (12) comprises a pressure relief sleeve (121), a pressure relief column (122), a piston plate (123), a resistance spring (124), a first through hole (125), a second through hole (126), an adjusting hole (127), a fixing plate (128), a movable block (129) and an extension rod (1210), the pressure relief sleeve (121) is fixedly connected with the inner wall of the outer box body (1), the piston plate (123) is slidably connected with the pressure relief sleeve (121), one end of the resistance spring (124) is fixedly connected with the piston plate (123), the other end of the resistance spring (124) is fixedly connected with the side wall of the outer box body (1), one end of the pressure relief column (122) is inserted into the inner part of the outer box body (1), the pressure relief column (122) is fixedly connected with the piston plate (123), the first through hole (125) and the second through hole (126) are arranged in the pressure relief column (122), one end of the first through hole (125) is communicated with one side, far away from the surface of the outer box body (1), one end of the second through hole (126) is connected with the first through hole (125), one end of the second through hole (125) is communicated with the surface of the second through hole (125), the pressure relief column (127), and the adjusting hole (122) is also communicated with the inner part of the outer box body (122), adjusting hole (127) is passed from second through-hole (126) intermediate position, fixed plate (128), movable block (129) all set up inside adjusting hole (127), fixed plate (128) and adjusting hole (127) fastening connection, movable block (129) and adjusting hole (127) sliding connection, extension pole (1210) one end and fixed plate (128) fastening connection, extension pole (1210) other end and movable block (129) fastening connection, extension pole (1210) are scalable, the one end UNICOM of movable block (129) is kept away from to extension pole (1210) inside and fixed plate (128).

5. The lithium battery device with moisture-proof discharge and long-term automatic power-on function as claimed in claim 4, wherein: the electricity supplementing assembly (4) further comprises a drainage cavity (44), a guide wheel (45) and a generator (46), one end of the drainage cavity (44) is connected with the confluence cavity, the other end of the drainage cavity (44) is communicated with the bottom of a vehicle body, an installation groove is formed in the side wall of the drainage cavity (44), the guide wheel (45) is rotatably connected with the installation groove, the generator (46) is embedded outside the installation groove, the guide wheel (45) is fixedly connected with an input shaft of the generator (46), and one side of the guide wheel (45) extends into the drainage cavity (44).