Lithium iron battery with super-capacitor starting function for parking

Abstract

The invention relates to a parking lithium iron battery with a super capacitor starting function, and belongs to the field of parking lithium iron batteries, the parking lithium iron battery comprises a storage battery bin, a fixing mechanism is arranged in the storage battery bin, a cover plate is hinged to the upper surface of the storage battery bin through a hinge, a dustproof plate is fixed in the cover plate, and a super capacitor is arranged in the dustproof plate. A bunching mechanism is arranged in the storage battery bin, a first box body is arranged in the storage battery bin, a first box cover is installed on the upper surface of the first box body, a second box body is arranged in the storage battery bin, a second box cover is installed on the upper surface of the second box body, and a temperature sensor is fixed to the left side wall of an inner cavity of the storage battery bin. A fan is fixed to the inner bottom wall of the storage battery bin, and a lifting mechanism is arranged on the right side of the storage battery bin. According to the lithium iron battery with the super-capacitor starting function for parking, the first box body and the second box body are positioned by rotating the handle and the positioning plates on the upper side and the lower side, so that the purpose of fixing the first box body and the second box body is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of iron lithium batteries for vehicle parking, and specifically to an iron lithium battery for vehicle parking with a supercapacitor starting function. Background Art

[0002] An iron lithium battery is a type of battery in the lithium battery family, and the positive electrode material is mainly lithium iron phosphate material. Compared with traditional lead-acid batteries, lithium-ion batteries have significant advantages in terms of working voltage, energy density, and cycle life.

[0003] Currently, most of the parking power supplies for trucks on the market, such as batteries or accumulators, are lead-acid batteries. Due to the chemical material characteristics of lead-acid batteries themselves, the charging current is small and slow, and the discharge cannot support high power. Although there are some lithium battery products on the market, since ternary lithium batteries are prone to catching fire and lithium iron phosphate batteries cannot provide high-rate discharge to start the engine, they all have deficiencies. Moreover, when fixing the power supply, it is usually placed inside the battery compartment and fixed with simple bolts or in a slot adapted to it, and the fixing effect is poor. Therefore, this application proposes an iron lithium battery for vehicle parking with a supercapacitor starting function. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the present invention provides an iron lithium battery for vehicle parking with a supercapacitor starting function, which has advantages such as being convenient for fixing the iron lithium battery for vehicle parking, and solves the problem of poor fixing effect.

[0005] To achieve the above object, the present invention provides the following technical solution: An iron lithium battery for vehicle parking with a supercapacitor starting function, including a battery compartment, a fixing mechanism is arranged inside the battery compartment, a cover plate is hinged to the upper surface of the battery compartment through a hinge, a dust-proof plate is fixed inside the cover plate, a wire bundling mechanism is arranged inside the battery compartment, a first box body is arranged inside the battery compartment, a first box cover is installed on the upper surface of the first box body, a second box body is arranged inside the battery compartment, a second box cover is installed on the upper surface of the second box body, a temperature sensor is fixed on the left side wall of the inner cavity of the battery compartment, a fan is fixed on the inner bottom wall of the battery compartment, and a lifting mechanism is arranged on the right side of the battery compartment;

[0006] The fixing mechanism includes two mounting boxes vertically and slidably connected between the left and right inner side walls of the battery compartment. A same cylinder is fixed between the two mounting boxes and at the center thereof. A movable rod is rotatably connected to the front side of the cylinder through a bearing at the center. The back side of the movable rod penetrates through the front surface of the cylinder and extends into the interior of the cylinder, and a first gear is fixed on the outer side thereof. Two second gears are meshed with the outer side of the first gear. Connecting rods are fixed inside the two second gears. The opposite ends of the two connecting rods respectively penetrate through the opposite sides of the two mounting boxes and extend into the interiors of the two mounting boxes, and third gears are fixed on the outer sides thereof. Fourth gears are meshed with the outer sides of the two third gears. Rotating rods are fixed inside the two fourth gears. First screws are fixed on the opposite ends of the two rotating rods. Positioning plates are threadedly connected to the outer sides of the upper and lower first screws. Support plates are horizontally fixed between the left and right inner side walls of the inner cavities of the two mounting boxes;

[0007] The wire bundling mechanism includes two wire bundling frames fixed between the two mounting boxes. Two springs are fixed on the opposite side walls of the inner cavities of the two wire bundling frames. Two wire bundling plates are respectively fixed on the opposite sides of the left and right springs. Pull rods are fixed on the opposite sides of the two wire bundling plates. Limiting rods are fixed on the opposite sides of the two wire bundling plates. Two support columns are fixed between the two mounting boxes;

[0008] The lifting mechanism includes a connecting box fixed on the right side of the battery compartment. A second screw is rotatably connected between the top wall and the bottom wall of the inner cavity of the connecting box. A connecting plate is threadedly connected to the outer side of the second screw.

[0009] Further, a ventilation opening extending to the lower surface is formed on the upper surface of the cover plate, and the dust-proof plate is fixed on the inner wall of the inner cavity of the ventilation opening.

[0010] Further, a handle is fixed at the front end of the movable rod. The left and right ends of the upper and lower first screws are respectively rotatably connected to the left and right inner side walls of the inner cavities of the two mounting boxes through bearings.

[0011] Further, the thread directions of the left and right first screws are opposite, and positioning grooves for horizontal sliding of the upper and lower positioning plates are formed on the upper surfaces of the two support plates.

[0012] Further, the first box body is movably attached to the upper surface of the upper support plate, and the second box body is movably attached to the inner bottom wall of the lower mounting box.

[0013] Further, a support block is fixed on the left inner side wall of the battery compartment, and the lower mounting box is movably attached to the upper surface of the support block.

[0014] Furthermore, a plurality of ventilation holes are formed in the upper and lower sides of the two mounting boxes, and an exhaust pipe is fixedly communicated with the lower surface of the battery compartment and located at the center thereof.

[0015] Furthermore, the shapes of the two wire bundling frames are side U-shaped plates, and a pulling block is fixed to each of the opposite sides of the two pull rods.

[0016] Furthermore, the lifting mechanism further includes a connecting rod fixed to the top end of the second screw rod, and a rocker is fixed to the top end of the connecting rod.

[0017] Furthermore, a chute is formed in the right side wall of the inner cavity of the connecting box, a sliding block slidably connected to the chute is fixed to the right end of the connecting plate, the left end of the connecting plate penetrates through the right side of the battery compartment and extends into the battery compartment and is fixed to the lower surface of the lower mounting box.

[0018] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0019] 1. For the stationary iron lithium battery with a supercapacitor starting function, the first box body and the second box body are placed inside the two mounting boxes. By rotating the handle, the upper and lower positioning plates move relative to each other to position the first box body and the second box body respectively, achieving the purpose of conveniently fixing the first box body and the second box body. The connecting cables are respectively located inside the two wire bundling plates, and the wire bundling plates are pushed by the springs on the left and right sides to limit the cables. The fan can divert the air inside the battery compartment to improve the heat dissipation capacity.

[0020] 2. For the stationary iron lithium battery with a supercapacitor starting function, by opening the cover plate and rotating the rocker, the second screw rod starts to rotate. Since a sliding block slidably connected to the chute is fixed to the right end of the connecting plate, the rotation of the connecting plate is restricted, so that the connecting plate drives the lower mounting box to move upward, and the two mounting boxes both move out of the interior of the battery compartment, which is convenient for placing the first box body and the second box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural diagram of the present invention;

[0022] Figure 2 is a three-dimensional view of the structure of the first box body of the present invention;

[0023] Figure 3 is a three-dimensional view of the structure of the second box body of the present invention;

[0024] Figure 4 is a schematic diagram of the fixing mechanism of the present invention;

[0025] Figure 5 is a schematic diagram of the wire bundling mechanism of the present invention;

[0026] Figure 6Schematic diagram of the lifting mechanism of the present invention.

[0027] In the figure: 1 battery compartment, 2 fixing mechanism, 201 mounting box, 202 cylinder, 203 movable rod, 204 first gear, 205 second gear, 206 connecting rod, 207 third gear, 208 fourth gear, 209 rotating rod, 210 first screw, 211 positioning plate, 212 support plate, 3 cover plate, 4 wire bundling mechanism, 401 wire bundling frame, 402 spring, 403 wire bundling plate, 404 pull rod, 405 limiting rod, 406 support column, 5 dust-proof plate, 6 first box body, 7 first box cover, 8 second box body, 9 second box cover, 10 temperature sensor, 11 fan, 12 lifting mechanism, 1201 connecting box, 2102 second screw, 1203 connecting plate. Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] Please refer to Figures 1-3 , a lithium iron phosphate battery for vehicle parking with a supercapacitor starting function in this embodiment includes a battery compartment 1. A fixing mechanism 2 is provided inside the battery compartment 1. The upper surface of the battery compartment 1 is hinged with a cover plate 3 through a hinge. A dust-proof plate 5 is fixed inside the cover plate 3. A wire bundling mechanism 4 is provided inside the battery compartment 1. A first box body 6 is provided inside the battery compartment 1. A BMS control module is installed inside the first box body 6. A first box cover 7 is installed on the upper surface of the first box body 6. A second box body 8 is provided inside the battery compartment 1. A lithium iron phosphate battery core and a supercapacitor module are installed inside the second box body 8. A second box cover 9 is installed on the upper surface of the second box body 8. A temperature sensor 10 is fixed on the left side wall of the inner cavity of the battery compartment 1. A fan 11 is fixed on the inner bottom wall of the battery compartment 1. A lifting mechanism 12 is provided on the right side of the battery compartment 1.

[0030] In this embodiment, a ventilation opening extending to its lower surface is provided on the upper surface of the cover plate 3, and the dust-proof plate 5 is fixed on the inner wall of the inner cavity of the ventilation opening.

[0031] It should be noted that through the lithium iron phosphate battery cells in the second box body 8, when parking, the lithium iron phosphate battery cells can be used to supply power to external in-vehicle electrical equipment. When starting the engine, the lithium iron phosphate battery cells in the second box body 8 provide voltage to the supercapacitor module in the second box body 8, and the supercapacitor releases a large current to start the ignition motor. During the whole process of using the battery, it will be managed by the BMS control module in the first box body 6, and the BMS control module controls functions such as discharging, temperature-controlled self-heating, self-balancing, low-voltage protection and real-time feedback of operation data.

[0032] Please refer to Figure 4 , in order to fix the first box body 6 and the second box body 8, the fixing mechanism 2 in this embodiment includes two mounting boxes 201 vertically and slidably connected between the left and right inner side walls of the battery compartment 1. The same cylinder body 202 is fixed at the center between the two mounting boxes 201. A movable rod 203 is rotatably connected to the front side of the cylinder body 202 through a bearing at its center. The back side of the movable rod 203 penetrates the front surface of the cylinder body 202 and extends into the interior of the cylinder body 202, and a first gear 204 is fixed on the outside. Two second gears 205 are meshed with the outside of the first gear 204. Connecting rods 206 are fixed inside both of the two second gears 205. The opposite ends of the two connecting rods 206 penetrate the opposite sides of the two mounting boxes 201 respectively and extend into the interiors of the two mounting boxes 201, and third gears 207 are fixed on the outsides. Fourth gears 208 are meshed with the outsides of both of the two third gears 207. Rotating rods 209 are fixed inside both of the two fourth gears 208. First screws 210 are fixed on the opposite ends of the two rotating rods 209. Positioning plates 211 are threadedly connected to the outsides of the upper and lower first screws 210. Support plates 212 are horizontally fixed between the left and right inner side walls of the interior of the two mounting boxes 201.

[0033] In this embodiment, a handle is fixed to the front end of the movable rod 203. The left and right ends of the upper and lower first screw rods 210 are respectively rotatably connected to the left and right side walls of the inner cavity of the two mounting boxes 201 through bearings. The thread directions of the left and right first screw rods 210 are opposite. Positioning grooves for horizontal sliding of the upper and lower positioning plates 211 are provided on the upper surfaces of the two support plates 212. The first box body 6 is movably attached to the upper surface of the upper support plate 212, and the second box body 8 is movably attached to the inner bottom wall of the lower mounting box 201. A support block is fixed to the left side wall of the inner cavity of the battery compartment 1. Place the first box body 6 and the second box body 8 inside the two mounting boxes 201. By rotating the handle, the two second gears 205 start to rotate, driving the upper and lower third gears 207 and fourth gears 208 to rotate, causing the upper and lower first screw rods 210 to start rotating, so that the upper and lower positioning plates 211 move relatively to position the first box body 6 and the second box body 8 respectively, achieving the purpose of conveniently fixing the first box body 6 and the second box body 8. The lower mounting box 201 is movably attached to the upper surface of the support block. A plurality of ventilation holes are provided on the upper and lower sides of the two mounting boxes 201. A exhaust cylinder is fixedly communicated with the center of the lower surface of the battery compartment 1.

[0034] Please refer to Figure 5 , in order to limit the cables, the cable bundling mechanism 4 in this embodiment includes two cable bundling frames 401 fixed between the two mounting boxes 201. Two springs 402 are fixed to the opposite side walls of the inner cavities of the two cable bundling frames 401. Two cable bundling plates 403 are respectively fixed to the opposite sides of the left and right springs 402. Pulling rods 404 are fixed to the opposite sides of the two cable bundling plates 403. Limiting rods 405 are fixed to the opposite sides of the two cable bundling plates 403. Two support columns 406 are fixed between the two mounting boxes 201.

[0035] In this embodiment, the two cable bundling plates 403 are in the shape of side U-shaped plates. By pulling the left and right pull blocks, the left and right cable bundling plates 403 can move relatively, enabling the connecting cables to be respectively located inside the two cable bundling plates 403, and using the left and right springs 402 to push the cable bundling plates 403 to limit the cables. Pull blocks are fixed to the opposite sides of the two pulling rods 404. The fan 11 can guide the air inside the battery compartment 1 to improve the heat dissipation capacity.

[0036] It should be noted that place the first box body 6 and the second box body 8 inside the two mounting boxes 201. By rotating the handle, the upper and lower positioning plates 211 move relatively to position the first box body 6 and the second box body 8 respectively, achieving the purpose of conveniently fixing the first box body 6 and the second box body 8. The connecting cables are respectively located inside the two cable bundling plates 403, and the left and right springs 402 are used to push the cable bundling plates 403 to limit the cables. The fan 11 can guide the air inside the battery compartment 1 to improve the heat dissipation capacity.

[0037] Please refer to Figure 6 Figure 6 , for the convenience of placing the first box body 6 and the second box body 8, the lifting mechanism 12 in this embodiment includes a connection box 1201 fixed to the right side of the battery compartment 1. A second screw rod 1202 is rotatably connected between the top wall and the bottom wall of the inner cavity of the connection box 1201 through bearings. A connecting plate 1203 is threadedly connected to the outer side of the second screw rod 1202.

[0038] In this embodiment, the lifting mechanism 12 further includes a connecting rod fixed to the top end of the second screw rod 1202. The top end of the connecting rod is fixed with a rocker. A sliding groove is formed in the right side wall of the inner cavity of the connection box 1201. The right end of the connecting plate 1203 is fixed with a slider slidably connected to the sliding groove. The left end of the connecting plate 1203 penetrates through the right side of the battery compartment 1 and extends into its interior and is fixed to the lower surface of the lower mounting box 201. When it is necessary to place the first box body 6 and the second box body 8 into the interior of the battery compartment 1, open the cover plate 3 and rotate the rocker to make the second screw rod 1202 start to rotate. Since the right end of the connecting plate 1203 is fixed with a slider slidably connected to the sliding groove, the rotation of the connecting plate 1203 is restricted, so that the connecting plate 1203 drives the lower mounting box 201 to move upward, and both mounting boxes 201 move out of the interior of the battery compartment 1. After the first box body 6 and the second box body 8 are fixed, connect the positive and negative electrode posts to the external truck circuit according to their polarities.

[0039] It should be noted that by opening the cover plate 3 and rotating the rocker, the second screw rod 1202 starts to rotate. Since the right end of the connecting plate 1203 is fixed with a slider slidably connected to the sliding groove, the rotation of the connecting plate 1203 is restricted, so that the connecting plate 1203 drives the lower mounting box 201 to move upward, and both mounting boxes 201 move out of the interior of the battery compartment 1, which is convenient for placing the first box body 6 and the second box body 8.

[0040] The present invention realizes the functions of managing the charging and discharging of battery cells, balancing protection, self-heating and anti-theft of the battery through the BMS protection management module, and uses the supercapacitor module to provide the large current required for instant start to ensure the start of the vehicle, and well realizes the balance between the start of the truck and the storage and use of the electrical energy attached to the engine.

[0041] It can be understood that the electrical components mentioned in the text are all electrically connected to the main controller and the power supply, and the electrical components mentioned in the text are all conventional known devices. This application will not go into too much detail. The main controller can be a conventional known device such as a computer that plays a control role. The control circuit of the main controller can be realized by simple programming by those skilled in the art. The provision of the power supply also belongs to the common knowledge in the art. And the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and circuit connection in detail. At the same time, for the parts not described in detail in the present invention, they are all well-known technologies to those skilled in the art.

[0042] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific circumstances.

[0043] The working principle of the above embodiment is as follows:

[0044] (1) When it is necessary to place the first box body 6 and the second box body 8 inside the battery compartment 1, open the cover plate 3 and rotate the rocker to make the second screw rod 1202 start to rotate. Since a slider slidably connected to the chute is fixed at the right end of the connecting plate 1203, the rotation of the connecting plate 1203 is restricted, so that the connecting plate 1203 drives the lower mounting box 201 to move upward, and both mounting boxes 201 move out of the inside of the battery compartment 1. Subsequently, the first box body 6 and the second box body 8 are respectively placed inside the two mounting boxes 201. By rotating the handle, the two second gears 205 start to rotate, and drive the upper and lower third gears 207 and the fourth gears 208 to rotate, so that the upper and lower first screw rods 210 start to rotate, and the upper and lower positioning plates 211 move relatively to position the first box body 6 and the second box body 8 respectively, achieving the purpose of facilitating the fixation of the first box body 6 and the second box body 8.

[0045] (2) After the first box body 6 and the second box body 8 are fixed, connect to the external truck circuit according to their positive and negative electrode posts. Through the lithium iron phosphate battery core in the second box body 8, the lithium iron phosphate battery core can supply power to the external vehicle-mounted electrical equipment when parking. When starting the engine, the lithium iron phosphate battery core in the second box body 8 provides voltage to the supercapacitor module in the second box body 8, and the supercapacitor releases a large current to start the ignition motor. During the whole process of using the battery, it will pass through the BMS control module in the first box body 6 for management. The BMS control module controls functions such as discharging, temperature-controlled self-heating, self-balancing, low-voltage protection, and real-time feedback of operation data. By pulling the left and right pull blocks, the left and right wire bundling plates 403 can move relatively, enabling the connection cables to be respectively located inside the two wire bundling plates 403, and using the left and right springs 402 to push the wire bundling plates 403 to limit the cables. The fan 11 can divert the air inside the battery compartment 1 to improve the heat dissipation capacity.

[0046] It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

[0047] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A lithium iron battery for parking with a supercapacitor starting function, comprising a battery compartment (1), characterized in that: The battery compartment (1) is provided with a fixing mechanism (2) inside, the upper surface of the battery compartment (1) is hinged with a cover plate (3), a dustproof plate (5) is fixed inside the cover plate (3), a wiring harness mechanism (4) is provided inside the battery compartment (1), a first box body (6) is provided inside the battery compartment (1), a first box cover (7) is installed on the upper surface of the first box body (6), a second box body (8) is provided inside the battery compartment (1), a second box cover (9) is installed on the upper surface of the second box body (8), a temperature sensor (10) is fixed on the left side wall of the inner cavity of the battery compartment (1), a fan (11) is fixed on the inner bottom wall of the battery compartment (1), and a lifting mechanism (12) is provided on the right side of the battery compartment (1); The fixing mechanism (2) comprises two installation boxes (201) vertically slidably connected between the left and right side walls of the inner cavity of the battery compartment (1); a same cylinder (202) is fixed between the two installation boxes (201) and at the center thereof; a movable rod (203) is rotatably connected to the front side of the cylinder (202) and at the center thereof through a bearing; the back side of the movable rod (203) passes through the front side of the cylinder (202) and extends to the inside of the cylinder (202) and a first gear (204) is fixed on the outside; two second gears (205) are meshed on the outside of the first gear (204); and connecting rods (206) are fixed inside the two second gears (205). ), the opposite ends of the two connecting rods (206) respectively penetrate the opposite sides of the two installation boxes (201) and extend to the inside of the two installation boxes (201) and are fixed with third gears (207) on the outside, the outer sides of the two third gears (207) are meshed with fourth gears (208), the insides of the two fourth gears (208) are fixed with rotating rods (209), the opposite ends of the two rotating rods (209) are fixed with first screw rods (210), the outer sides of the first screw rods (210) on the upper and lower sides are threadedly connected with positioning plates (211), and support plates (212) are horizontally fixed between the left and right side walls of the inner cavity of the two installation boxes (201); The wiring harness mechanism (4) comprises two wiring harness frames (401) fixed between two installation boxes (201), two springs (402) are fixed to opposite side walls of the inner cavities of the two wiring harness frames (401), two wiring harness plates (403) are fixed to opposite sides of the springs (402) on the left and right sides, respectively, pull rods (404) are fixed to opposite sides of the two wiring harness plates (403), limiting rods (405) are fixed to opposite sides of the two wiring harness plates (403), and two support columns (406) are fixed between the two installation boxes (201); The lifting mechanism (12) comprises a connection box (1201) fixed to the right side of the battery compartment (1); a second screw rod (1202) is rotatably connected between the top wall and the bottom wall of the inner cavity of the connection box (1201) via a bearing; and a connection plate (1203) is threadedly connected to the outer side of the second screw rod (1202).

2. The lithium iron battery for parking with supercapacitor starting function according to claim 1, characterized in that: The upper surface of the cover plate (3) is provided with a ventilation opening extending to the lower surface thereof, and the dustproof plate (5) is fixed to the inner wall of the inner cavity of the ventilation opening.

3. The lithium iron battery for parking with supercapacitor starting function according to claim 1, characterized in that: A handle is fixed to the front end of the movable rod (203), and the left and right ends of the first screw rod (210) on the upper and lower sides are rotatably connected to the left and right side walls of the inner cavity of the two installation boxes (201) through bearings.

4. The lithium iron battery for parking with supercapacitor starting function according to claim 1, characterized in that: The thread directions of the first screw rods (210) on the left and right sides are opposite to each other, and the upper surfaces of the two support plates (212) are provided with positioning grooves for horizontal sliding with the upper and lower positioning plates (211).

5. The lithium iron battery for parking with supercapacitor starting function according to claim 1, characterized in that: The first box body (6) is movably fitted on the upper surface of the upper support plate (212), and the second box body (8) is movably fitted on the inner bottom wall of the lower installation box (201).

6. The lithium iron battery for parking with supercapacitor starting function according to claim 1, characterized in that: A support block is fixed to the left side wall of the inner cavity of the battery compartment (1), and the installation box (201) at the lower side is movably fitted on the upper surface of the support block.

7. The lithium iron battery for parking with supercapacitor starting function according to claim 1, characterized in that: A plurality of ventilation holes are provided on the upper and lower sides of the two installation boxes (201), and an exhaust duct is fixedly connected to the lower surface of the battery compartment (1) and located at the center thereof.

8. The lithium iron battery for parking with supercapacitor starting function according to claim 1, characterized in that: The two wire harness frames (403) are in the shape of side U-shaped plates, and pull blocks are fixed on opposite sides of the two pull rods (404).

9. The lithium iron battery for parking with supercapacitor starting function according to claim 1, characterized in that: The lifting mechanism (12) further comprises a connecting rod fixed to the top end of the second screw rod (1202), and a rocker arm is fixed to the top end of the connecting rod.

10. The lithium iron battery for parking with supercapacitor starting function according to claim 1, characterized in that: A sliding groove is provided on the right side wall of the inner cavity of the connection box (1201); a slider slidably connected to the sliding groove is fixed to the right end of the connection plate (1203); and the left end of the connection plate (1203) passes through the right side of the battery compartment (1) and extends into the interior thereof and is fixed to the lower surface of the lower mounting box (201).

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