CN115579554A

CN115579554A - Lithium iron phosphate storage battery

Info

Publication number: CN115579554A
Application number: CN202211180322.XA
Authority: CN
Inventors: 杨乐琦; 李顺; 张世博
Original assignee: Anhui Institute of Information Engineering
Current assignee: Anhui Institute of Information Engineering
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-01-06

Abstract

The invention relates to the technical field of storage batteries, in particular to a lithium iron phosphate storage battery which comprises a shell, a fixed plate, a cavity and a rotary table, wherein the cavity is fixedly arranged on the side wall of the shell, the cavity is arranged in the fixed plate, a rotary rod is rotatably arranged in the cavity, the rotary rod is fixedly connected with the rotary table, a plurality of permanent magnets are embedded in the rotary table at equal intervals in the circumferential direction, and a metal block matched with the rotary table is fixedly arranged on one side, close to the fixed plate, in the shell. According to the invention, the metal block is in a changing magnetic field through the rotation of the rotary disc, the metal block can emit heat in the changing magnetic field, the emitted heat heats the storage battery, when the working temperature of the storage battery is abnormal, the partition plate can rotate when exceeding the normal temperature, the middle of the device cavity is partitioned, the circulation of lithium electrons is prevented, the purpose of power failure is achieved, the partition plate can push the sliding rod while rotating, the first contact and the second contact are in contact, the circuit is connected, and the buzzer can give an alarm.

Description

Lithium iron phosphate storage battery

Technical Field

The invention relates to the technical field of storage batteries, in particular to a lithium iron phosphate storage battery.

Background

The lithium iron phosphate storage battery is a lithium ion battery using lithium iron phosphate as a positive electrode material, has the advantages of high capacity, no memory effect, no pollution, light weight and the like, is mostly used for manufacturing power batteries, and is a storage battery widely used in the new energy electric industry.

The components of the lithium iron phosphate storage battery are respectively a positive electrode material, a negative electrode material, a diaphragm, an electrolyte, a binder and the like, and the reduction of temperature has influence on the materials. The positive electrode material can be polarized under the influence of low temperature, so that the capacity of the battery is reduced, the power consumption is very fast, the transmission energy in the lithium phosphate battery depends on electrolyte, but the chemical reaction activity is reduced under the influence of low temperature, so that the transmission process of lithium ions becomes very slow, the lithium ions are reduced into lithium metal before being transmitted, the viscosity of a binder of the lithium iron phosphate battery is increased under the low temperature environment, and the transmission speed of the lithium ions is reduced.

Therefore, a lithium iron phosphate storage battery is provided.

Disclosure of Invention

The invention aims to provide a lithium iron phosphate storage battery, which is characterized in that a metal block is in a variable magnetic field through rotation of a rotary table, the metal block can emit heat in the variable magnetic field, the emitted heat heats the storage battery, when the working temperature of the storage battery is abnormal, a partition plate can rotate when exceeding the normal temperature to partition the middle of a cavity of the storage battery, so that the circulation of lithium electrons is prevented, the purpose of power failure is achieved, a sliding rod is pushed while the partition plate rotates, a first contact is in contact with a second contact, a circuit is connected, and a buzzer can give an alarm, so that the problems in the background art are solved.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a lithium iron phosphate battery, includes the casing, the fixed plate, fixed mounting in the lateral wall of casing, the cavity is seted up in the inside of fixed plate, the internal rotation of cavity installs the bull stick, bull stick fixedly connected with carousel, the equidistant a plurality of permanent magnets that are equipped with of inside circumference of carousel are inlayed, one side fixed mounting that the inside of casing is close to the fixed plate has with carousel complex metal block.

Through the rotation of carousel for the metal block is in the magnetic field that changes, and the metal block will produce induced-current, because the fuel effect of metal current, the metal block will generate heat, and the heat that gives off heats the battery

Preferably, the inside wall fixedly connected with cover box of cavity, the cover box covers half of the carousel, smooth chamber and sap cavity have been seted up to the inside one side that is close to carousel the latter half of casing, smooth chamber and sap cavity are linked together, the inside sliding connection in smooth chamber has the slide, the outer fringe cover of slide is equipped with the rubber circle, smooth chamber has the bimetallic strip with the joint of intercommunication department in sap cavity, the sap cavity is equipped with sodium acetate supersaturated solution, a plurality of long chambeies have been seted up to the inside of carousel, and is a plurality of two liang of long chambeies are equidistant distribution of circumference, and are a plurality of the equal fixedly connected with first spring of diapire in long chamber, it is a plurality of the equal fixedly connected with balancing weight of one end of first spring, metal block fixedly connected with heat-conducting layer.

In the inside of sliding cavity, the top of slide is pure hydrogen, when the temperature reduces, the volume of hydrogen will reduce, the slide will move up under the promotion of atmospheric pressure, the atmospheric pressure of slide below diminishes, atmospheric pressure will have a vertical ascending power to the bimetallic strip, make the bimetallic strip by the concave deformation of going down to the epirelief, the bimetallic strip deformation in-process can produce the impact to the sodium acetate supersaturated solution in the liquid chamber, supersaturated sodium acetate receives the impact and will separate out the crystal of trihydrate, this process is exothermic process, therefore the liquid chamber will release heat to the external world, the bimetallic strip is because the deformation volume of two metals of constitution is different, the bimetallic strip can be concave downwards again after being heated, the latter half of the carousel that is close to the liquid chamber also can be heated, because first spring is the memory alloy silk, the material is nickel titanium alloy, it can warp to be heated, first spring will pop out, then the counterweight block is dragged to move, because the sleeve box is heat-insulated, only half of the rotary disk which is not in the sleeve box can be heated, the first spring can be deformed, the gravity center of the rotary disk can be deviated, then the rotary disk can be rotated, when the heated area of the rotary disk rotates to the inner part of the sleeve box, the area can not be heated any more, the initial temperature can be recovered, then the first spring can recover the initial shape and drive the counterweight block to reset, at the moment, the inner part of the rotary disk rotates to the outer part of the sleeve box to be heated again and drive the counterweight block to move, so that the gravity center of the rotary disk always deviates, the arrangement of the sleeve box can enable the temperature difference of two sides of the rotary disk to change greatly, the change amount of the gravity center can be effectively enhanced, further the rotating force of the rotary disk can be enhanced, further the rotary disk can continuously rotate, a changing magnetic field can be applied to the metal block, and then the inner part of the metal block can generate induced current, because the fuel effect of metal electric current, the metal block will generate heat, the metal block that generates heat can transmit the heat to whole battery through the heat-conducting layer when heating the device chamber for the temperature of battery promotes sooner, and the work efficiency of battery is better, and when the sap cavity is no longer exothermic, the metal block can heat the sap cavity, and the crystallization can be dissolved into sodium acetate supersaturated solution again under the circumstances of heating, realizes cyclic utilization, and the practicality is strong.

Preferably, the device cavity is formed in the shell, the positive plate and the negative plate are symmetrically and respectively and fixedly mounted in the device cavity, and the binding posts are symmetrically and fixedly mounted on the upper surface of the shell.

Preferably, the inside of casing is close to device chamber roof department and has seted up first circle chamber, the inside rotation in first circle chamber is connected with the pivot, a termination fixed mounting of pivot has the gear, the lateral wall fixedly connected with second spring in first circle chamber, the one end fixedly connected with rack of second spring, gear and rack toothing, the other end of pivot runs through the casing and extends to the inside in device chamber, the other end of pivot is in the inside fixedly connected with baffle in device chamber, the material of first spring and second spring is the nickel titanium alloy.

When the battery is abnormally discharged or charged, the inside temperature of battery can rise, when the temperature surpassed normal temperature, the second spring is memory alloy silk, the material is nickel titanium alloy, the second spring will be heated and popped out, drive the rack and remove, because rack and gear engagement, therefore the gear will rotate, gear revolve drives the pivot and rotates, the pivot is rotated and will be driven the baffle rotation of device intracavity portion, the pivoted baffle will fall into two parts with the inside in device chamber, make lithium ion can not pass through, and then realize the outage, the battery has been protected, after the temperature reduces, the second spring can contract, drive rack and remove and gear revolve, the baffle can rotate, no longer the separation lithium ion passes through.

Preferably, the inside of casing is close to device chamber diapire department and has seted up second circle chamber, the other end of pivot runs through the casing and extends to the inside in second circle chamber, the other end of pivot is in the inside fixedly connected with commentaries on classics piece in second circle chamber, the inside sliding connection in second circle chamber has the slide bar, the one end of slide bar is rotated and is installed and changeed piece complex runner, the other end of slide bar runs through the casing and extends to the inside in bar chamber, the other end of slide bar is in the inside fixedly connected with slider in bar chamber, slider and bar chamber sliding connection, the first contact of one side symmetry fixedly connected with of slider, the diapire symmetry fixedly connected with in bar chamber and two first contact complex second contacts, the lower fixed surface of casing installs bee calling organ.

When the pivot rotated, the pivot drove and changes the piece and rotate, because the irregular shape of changeing the piece for when changeing the piece and rotating, can promote the slide bar in vertical direction and remove, the slide bar removes the slider that will promote bar shape intracavity portion and removes, and the slider removes and makes first contact and second contact, and the circuit switches on, and bee calling organ will send out the alarm and report to the police, will in time overhaul the battery.

Compared with the prior art, the invention has the beneficial effects that:

1. through the rotation of carousel for the metal block is in the magnetic field of change, and the metal block can give off the heat in the magnetic field of change, and the heat that gives off heats the battery.

2. When the working temperature of the storage battery is abnormal, the partition plate rotates when exceeding the normal temperature, the middle of the cavity of the device is cut off, the circulation of lithium electrons is prevented, and the purpose of power failure is achieved.

3. When the partition plate rotates, the sliding rod is pushed, so that the first contact is contacted with the second contact, the circuit is connected, and the buzzer gives an alarm.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of a portion of the structure of the present invention;

FIG. 4 is a side view of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 2;

FIG. 6 is an enlarged view of the structure at B in FIG. 2;

FIG. 7 is an enlarged view of the structure of FIG. 2 at C;

fig. 8 is an enlarged view of the structure at D in fig. 2.

In the figure: 1. a housing; 2. a fixing plate; 3. a cavity; 4. a rotating rod; 5. a turntable; 6. a metal block; 7. a slide chamber; 8. a fluid chamber; 9. a slide plate; 10. a rubber ring; 11. a bimetal; 12. a kit; 13. a permanent magnet; 14. a long cavity; 15. a first spring; 16. a balancing weight; 17. a device cavity; 18. a positive plate; 19. a heat conductive layer; 20. a first circular cavity; 21. a rotating shaft; 22. a gear; 23. a second spring; 24. a rack; 25. a partition plate; 26. a second circular cavity; 27. rotating the block; 28. a slide bar; 29. a rotating wheel; 30. a strip-shaped cavity; 31. a slider; 32. a first contact; 33. a second contact; 34. a buzzer; 35. a binding post; 36. and a negative plate.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "coupled" are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, the present invention provides a lithium iron phosphate battery, which has the following technical scheme:

the utility model provides a lithium iron phosphate battery, includes a lithium iron phosphate battery, including casing 1, fixed plate 2, fixed mounting is in the lateral wall of casing 1, and cavity 3 sets up in the inside of fixed plate 2, and the bull stick 4 is installed in the inside rotation of cavity 3, and 4 fixedly connected with carousel 5 of bull stick, the inside circumference equidistant of carousel 5 inlays and is equipped with a plurality of permanent magnets 13, and one side fixed mounting that the inside of casing 1 is close to fixed plate 2 has with 5 complex metal blocks 6 of carousel.

Through the rotation of carousel 5 for metal block 6 is in the magnetic field that changes, and metal block 6 will produce induced-current, because the heat effect of metal current, metal block 6 will generate heat, and the heat that gives off heats the battery

As an embodiment of the present invention, referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a sleeve box 12 is fixedly connected to an inner side wall of a cavity 3, the sleeve box 12 covers a half of a turntable 5, a sliding cavity 7 and a liquid cavity 8 are formed in one side of the interior of a housing 1, which is close to the lower half of the turntable 5, the sliding cavity 7 is communicated with the liquid cavity 8, a sliding plate 9 is slidably connected to the interior of the sliding cavity 7, a rubber ring 10 is sleeved on an outer edge of the sliding plate 9, a bimetallic strip 11 is clamped at a communication position of the sliding cavity 7 and the liquid cavity 8, the liquid cavity 8 is filled with a supersaturated solution of sodium acetate, a plurality of long cavities 14 are formed in the interior of the turntable 5, the plurality of long cavities 14 are arranged in a group, the plurality of long cavities 14 are circumferentially and equidistantly distributed, first springs 15 are fixedly connected to bottom walls of the plurality of long cavities 14, a balancing weight 16 is fixedly connected to one end of the plurality of first springs 15, and a heat conducting layer 19 is fixedly connected to a metal block 6.

Inside the sliding cavity 7, pure hydrogen is arranged above the sliding plate 9, when the temperature is reduced, the volume of the hydrogen is reduced, the sliding plate 9 moves upwards under the pushing of the atmospheric pressure, the air pressure below the sliding plate 9 is reduced, the atmospheric pressure has a vertical upward force on the bimetallic strip 11, so that the bimetallic strip 11 is deformed from downward concave to upward convex, sodium acetate supersaturated solution in the liquid cavity 8 can be impacted in the deformation process of the bimetallic strip 11, supersaturated sodium acetate can be separated out from trihydrate crystals under the impact, the process is a heat release process, the liquid cavity 8 can release heat to the outside, the bimetallic strip 11 can be downwards concave again after being heated due to different deformation quantities of two metals, the lower half part of the turntable 5 close to the liquid cavity 8 can be heated, because the first spring 15 is a memory alloy wire, the material is nickel-titanium alloy, and can be deformed when being heated, the first spring 15 will pop up to drag the balancing weight 16 to move, because the sleeve box 12 is heat-insulating, only half of the rotating disc 5 not in the sleeve box 12 will be heated, the first spring 15 will deform, the center of gravity of the rotating disc 5 will shift, then the rotating disc 5 will rotate, when the heated area of the rotating disc 5 rotates to the inside of the sleeve box 12, it will not be heated any more, it will recover its initial temperature, then the first spring 15 recovers the initial shape and drives the balancing weight 16 to reset, and at this time, the inside of the rotating disc 5 rotates to the outside of the sleeve box 12 to be heated again and then drive the balancing weight 16 to move, so that the center of gravity of the rotating disc 5 will always shift, and the sleeve box 12 can make the temperature difference of both sides of the rotating disc 5 change greatly, effectively enhance the change amount of the center of gravity difference, and further enhance the rotating force of the rotating disc 5, and further continuously rotate, the rotating disc 5 will apply a changing magnetic field to the metal block 6, then the inside of metal block 6 can produce induced-current, because the heat effect of metal current, metal block 6 will generate heat, the metal block 6 that generates heat can transmit the heat to whole battery through heat-conducting layer 19 when heating device cavity 17, make the temperature of battery promote sooner, the work efficiency of battery is better, when liquid chamber 8 is no longer exothermic, metal block 6 can heat liquid chamber 8, the crystallization can be redissolved into sodium acetate supersaturated solution under the condition of heating, realize cyclic utilization, therefore, the clothes hanger is strong in practicability.

Referring to fig. 1 and 2, as an embodiment of the present invention, a device cavity 17 is formed in a can 1, a positive electrode plate 18 and a negative electrode plate 36 are symmetrically and fixedly mounted in the device cavity 17, respectively, and terminals 35 are symmetrically and fixedly mounted on an upper surface of the can 1.

Referring to fig. 2 and 6, as an embodiment of the present invention, a first circular cavity 20 is formed in the casing 1 near the top wall of the device cavity 17, a rotating shaft 21 is rotatably connected to the inside of the first circular cavity 20, a gear 22 is fixedly connected to one end of the rotating shaft 21, a second spring 23 is fixedly connected to the side wall of the first circular cavity 20, a rack 24 is fixedly connected to one end of the second spring 23, the gear 22 is engaged with the rack 24, the other end of the rotating shaft 21 penetrates through the casing 1 and extends into the device cavity 17, a partition 25 is fixedly connected to the other end of the rotating shaft 21 inside the device cavity 17, and the first spring 15 and the second spring 23 are made of nickel-titanium alloy.

When the storage battery is abnormally discharged or charged, the temperature inside the storage battery can rise, when the temperature exceeds the normal temperature, the second spring 23 is a memory alloy wire, the material is nickel-titanium alloy, the second spring 23 can be heated to pop out, the rack 24 is driven to move, the gear 22 can rotate due to the meshing of the rack 24 and the gear 22, the gear 22 rotates to drive the rotating shaft 21 to rotate, the rotating shaft 21 rotates to drive the partition plate 25 inside the device cavity 17 to rotate, the rotating partition plate 25 can divide the inside of the device cavity 17 into two parts, lithium ions can not pass through, and then the power failure is realized, the storage battery is protected, after the temperature is reduced, the second spring 23 can contract, the rack 24 is driven to move and the gear 22 rotates, the partition plate 25 can rotate, and lithium ions can not be blocked to pass through.

As an embodiment of the present invention, referring to fig. 2, 7 and 8, a second circular cavity 26 is opened in the interior of the housing 1 near the bottom wall of the device cavity 17, the other end of the rotating shaft 21 penetrates through the housing 1 and extends into the second circular cavity 26, the other end of the rotating shaft 21 is fixedly connected with a rotating block 27 in the interior of the second circular cavity 26, a sliding rod 28 is slidably connected in the interior of the second circular cavity 26, one end of the sliding rod 28 is rotatably installed with a rotating wheel 29 matched with the rotating block 27, the other end of the sliding rod 28 penetrates through the housing 1 and extends into the interior of the bar-shaped cavity 30, the other end of the sliding rod 28 is fixedly connected with a sliding block 31 in the interior of the bar-shaped cavity 30, the sliding block 31 is slidably connected with the bar-shaped cavity 30, one side of the sliding block 31 is symmetrically and fixedly connected with first contacts 32, the bottom wall of the bar-shaped cavity 30 is symmetrically and fixedly connected with second contacts 33 matched with the two first contacts 32, and a buzzer 34 is fixedly installed on the lower surface of the housing 1.

When the rotating shaft 21 rotates, the rotating shaft 21 drives the rotating block 27 to rotate, due to the irregular shape of the rotating block 27, when the rotating block 27 rotates, the sliding rod 28 is pushed to move in the vertical direction, the sliding rod 28 moves to push the sliding block 31 inside the strip-shaped cavity 30 to move, the sliding block 31 moves to enable the first contact 32 to be in contact with the second contact 33, the circuit is conducted, the buzzer 34 sends out an alarm, and the storage battery needs to be overhauled in time.

The working principle is as follows: inside the sliding cavity 7, pure hydrogen is arranged above the sliding plate 9, when the temperature is reduced, the volume of the hydrogen is reduced, the sliding plate 9 moves upwards under the pushing of the atmospheric pressure, the air pressure below the sliding plate 9 is reduced, the atmospheric pressure has a vertical upward force on the bimetallic strip 11, so that the bimetallic strip 11 is deformed from downward concave to upward convex, sodium acetate supersaturated solution in the liquid cavity 8 can be impacted in the deformation process of the bimetallic strip 11, supersaturated sodium acetate can be separated out from trihydrate crystals under the impact, the process is a heat release process, the liquid cavity 8 can release heat to the outside, the bimetallic strip 11 can be downwards concave again after being heated due to different deformation quantities of two metals, the lower half part of the turntable 5 close to the liquid cavity 8 can be heated, because the first spring 15 is a memory alloy wire, the material is nickel-titanium alloy, and can be deformed when being heated, the first spring 15 will pop up to drag the balancing weight 16 to move, because the sleeve box 12 is heat-insulating, only half of the rotating disc 5 not in the sleeve box 12 will be heated, the first spring 15 will deform, the center of gravity of the rotating disc 5 will shift, then the rotating disc 5 will rotate, when the heated area of the rotating disc 5 rotates to the inside of the sleeve box 12, it will not be heated any more, it will recover its initial temperature, then the first spring 15 recovers the initial shape and drives the balancing weight 16 to reset, and at this time, the inside of the rotating disc 5 rotates to the outside of the sleeve box 12 to be heated again and then drive the balancing weight 16 to move, so that the center of gravity of the rotating disc 5 will always shift, and the sleeve box 12 can make the temperature difference of both sides of the rotating disc 5 change greatly, effectively enhance the change amount of the center of gravity difference, and further enhance the rotating force of the rotating disc 5, and further continuously rotate, the rotating disc 5 will apply a changing magnetic field to the metal block 6, so that the inside of the metal block 6 can generate induced current, the metal block 6 can generate heat due to the heat effect of the metal current, the heat-generating metal block 6 can transmit the heat to the whole storage battery through the heat conduction layer 19 while heating the device cavity 17, the temperature of the storage battery can be increased more quickly, the working efficiency of the storage battery is better, when the liquid cavity 8 does not release heat any more, the metal block 6 heats the liquid cavity 8, the crystal can be dissolved into the sodium acetate supersaturated solution again under the heating condition, the cyclic utilization is realized, the practicability is strong, when the storage battery is abnormally discharged or charged, the temperature in the storage battery can rise, and when the temperature exceeds the normal temperature, the second spring 23 is a memory alloy wire made of nickel-titanium alloy, the second spring 23 can be heated to pop out to drive the rack 24 to move, since the rack 24 is engaged with the gear 22, the gear 22 rotates to rotate the rotary shaft 21, the rotary shaft 21 rotates to rotate the partition 25 inside the device chamber 17, the rotary partition 25 divides the inside of the device chamber 17 into two parts, so that lithium ions cannot pass through, thereby realizing power failure and protecting the storage battery, when the temperature is reduced, the second spring 23 can contract to drive the rack 24 to move and the gear 22 to rotate, the partition plate 25 can rotate and can not block lithium ions from passing through, when the rotating shaft 21 rotates, the rotating shaft 21 drives the rotating block 27 to rotate, due to the irregular shape of the rotating block 27, when the rotating block 27 rotates, the sliding rod 28 is pushed to move in the vertical direction, the sliding rod 28 moves to push the sliding block 31 in the strip-shaped cavity 30 to move, the sliding block 31 moves to enable the first contact 32 and the second contact 33 to be in contact, the circuit is conducted, the buzzer 34 sends out an alarm, and the storage battery is required to be overhauled in time.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lithium iron phosphate storage battery includes a case (1);

a fixing plate (2) fixedly mounted on the side wall of the housing (1);

a cavity (3) which is arranged in the fixing plate (2);

the method is characterized in that:

the utility model discloses a rotary table, including cavity (3), bull stick (4) fixedly connected with carousel (5), the equidistant a plurality of permanent magnets (13) of inlaying of inside circumference of carousel (5), one side fixed mounting that the inside of casing (1) is close to fixed plate (2) has with carousel (5) complex metal block (6).

2. The lithium iron phosphate storage battery according to claim 1, characterized in that: a sleeve box (12) is fixedly connected to the inner side wall of the cavity (3), and the sleeve box (12) covers half of the rotary disc (5).

3. The lithium iron phosphate storage battery according to claim 2, characterized in that: a sliding cavity (7) and a liquid cavity (8) are formed in one side, close to the lower half part of the rotary table (5), of the interior of the shell (1), and the sliding cavity (7) is communicated with the liquid cavity (8);

the inside sliding connection of sliding chamber (7) has slide (9), the outer fringe cover of slide (9) is equipped with rubber circle (10), sliding chamber (7) and the joint of the intercommunication department of liquid chamber (8) have bimetallic strip (11), liquid chamber (8) are equipped with sodium acetate supersaturated solution.

4. The lithium iron phosphate battery according to claim 3, characterized in that: a plurality of long chambeies (14) have been seted up to the inside of carousel (5), and is a plurality of two liang of a set of circumference equidistant distribution that is in long chamber (14), it is a plurality of the first spring (15) of the equal fixedly connected with of diapire in long chamber (14), it is a plurality of the equal fixedly connected with balancing weight (16) of one end of first spring (15).

5. The lithium iron phosphate storage battery according to claim 1, characterized in that: the metal block (6) is fixedly connected with a heat conduction layer (19).

6. The lithium iron phosphate battery according to claim 1, characterized in that: the device cavity (17) is seted up to the inside of casing (1), the inside symmetry in device cavity (17) is fixed mounting respectively has positive plate (18) and negative plate (36), the upper surface symmetry fixed mounting of casing (1) has terminal (35).

7. The lithium iron phosphate storage battery according to claim 6, characterized in that: a first circular cavity (20) is formed in the shell (1) and close to the top wall of the device cavity (17), a rotating shaft (21) is rotatably connected inside the first circular cavity (20), a gear (22) is fixedly connected to one end of the rotating shaft (21), a second spring (23) is fixedly connected to the side wall of the first circular cavity (20), a rack (24) is fixedly connected to one end of the second spring (23), and the gear (22) is meshed with the rack (24);

the other end of pivot (21) runs through casing (1) and extends to the inside in device chamber (17), the other end of pivot (21) is in the inside fixedly connected with baffle (25) in device chamber (17).

8. The lithium iron phosphate battery according to claim 7, characterized in that: the first spring (15) and the second spring (23) are both made of nickel-titanium alloy.

9. The lithium iron phosphate battery according to claim 8, characterized in that: the inside of casing (1) is close to device chamber (17) diapire department and has seted up second circle chamber (26), the other end of pivot (21) runs through casing (1) and extends to the inside in second circle chamber (26), the other end of pivot (21) changes piece (27) in the inside fixedly connected with in second circle chamber (26), the inside sliding connection in second circle chamber (26) has slide bar (28), the one end rotation of slide bar (28) is installed and is changeed piece (27) complex runner (29).

10. The lithium iron phosphate battery according to claim 9, characterized in that: the other end of slide bar (28) runs through casing (1) and extends to the inside in bar chamber (30), the other end of slide bar (28) is in inside fixedly connected with slider (31) in bar chamber (30), slider (31) and bar chamber (30) sliding connection, the first contact (32) of one side symmetry fixedly connected with of slider (31), the diapire symmetry fixedly connected with in bar chamber (30) and two first contact (32) complex second contact (33), the lower fixed surface of casing (1) installs bee calling organ (34).