CN116365106A - Lithium battery heating and heat preservation device capable of meeting cold start of electric bus - Google Patents
Lithium battery heating and heat preservation device capable of meeting cold start of electric bus Download PDFInfo
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- CN116365106A CN116365106A CN202310059714.9A CN202310059714A CN116365106A CN 116365106 A CN116365106 A CN 116365106A CN 202310059714 A CN202310059714 A CN 202310059714A CN 116365106 A CN116365106 A CN 116365106A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 57
- 238000004321 preservation Methods 0.000 title claims abstract description 55
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 54
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 230000017525 heat dissipation Effects 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000005485 electric heating Methods 0.000 claims description 12
- 230000001502 supplementing effect Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
- H01M10/6571—Resistive heaters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Automation & Control Theory (AREA)
- Aviation & Aerospace Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The utility model provides a satisfy cold lithium cell heating heat preservation device who starts of [ electric ] motor coach, includes [ electric ] motor coach body, and both ends all are articulated through the hinge have the dodge gate about the [ electric ] motor coach body, and the relative one end of two dodge gates all is fixed with a plurality of exhaust fans, and this internal battery that sets up in [ electric ] motor coach holds the chamber with the dodge gate is corresponding, and the diapire in battery holds the chamber is fixed with the battery case, and the diapire in battery case inner chamber is through the bolt fastening has lithium cell group. This satisfy cold start's of [ electric ] motor coach lithium cell heating heat preservation device holds the chamber through seting up the battery in [ electric ] motor coach is originally internal, and the battery box is located the battery and holds the intracavity, and the lithium cell group locates in the battery box to set up adjustable heat preservation mechanism on the battery box, adjustable heat preservation mechanism directly acts on the battery box, very big reduction the occupation space of the device, thereby reduce equipment cost, can adjust between heat dissipation and heat preservation simultaneously, and satisfy the cold start demand of [ electric ] motor coach.
Description
Technical Field
The invention relates to the technical field of lithium batteries of electric buses, in particular to a lithium battery heating and heat preservation device capable of meeting cold start of an electric bus.
Background
The electric motor coach is a coach which runs by taking a vehicle-mounted power supply as power and selecting proper vehicle-mounted storage batteries or cable power supply equipment to provide electric energy, and has good power performance, continuous running mileage of 500 km, long service life of the batteries, low cost and good preparation with the whole coach, and meets various requirements of road traffic and safety regulations.
Research shows that the energy efficiency of electric buses exceeds that of gasoline automobiles, especially in urban operation, the automobiles stop and go, the running speed is low, the electric buses are more suitable, when the electric buses are used in a low-temperature environment, the lithium batteries are affected by temperature, the problems of low use efficiency and large cold starting electric energy easily occur, and the use effect and service life of the lithium batteries are seriously affected.
The following defects also exist in the technical scheme:
1) The lithium battery is covered and insulated by the two hollow frames, when the lithium battery runs, the hollow frames move and do not cover the lithium battery any more, and for the movement of the hollow frames, a larger space is required, so that the internal space of the electric motor coach is occupied greatly, the assembly of parts in the electric motor coach is influenced, and meanwhile, the cost is increased;
2) The lithium battery is arranged in a frame body in the passenger car, so that the lithium battery is difficult to replace or maintain;
3) When an air outlet on the surface of the electric motor coach is opened, rainwater easily enters the electric motor coach, and the use of the electric motor coach is affected;
4) For heating and heat preservation of the lithium battery, the heating effect can not be achieved only by arranging a heat preservation means, and the using effect is poor.
Disclosure of Invention
The invention aims to provide a lithium battery heating and heat-preserving device meeting the cold start of an electric motor coach, which has the advantages of heating and heat preservation, small equipment occupation space, low cost and the like, and solves the problems of large occupied space and high cost of the existing lithium battery heating and heat-preserving device meeting the cold start of the electric motor coach.
The invention discloses a lithium battery heating and heat-preserving device meeting cold start of an electric motor coach, which comprises an electric motor coach body, wherein the left end and the right end of the electric motor coach body are hinged with movable doors through hinges, the opposite ends of the two movable doors are respectively fixed with a plurality of exhaust fans, a battery accommodating cavity corresponding to the movable doors is formed in the electric motor coach body, a battery box is fixed on the bottom wall of the battery accommodating cavity, a lithium battery pack is fixed on the bottom wall of the battery box cavity through bolts, a temperature sensor is fixed on the top of the battery box cavity, an adjustable heat-preserving mechanism is arranged on the battery box, and a heating mechanism is arranged on the battery box;
the adjustable heat preservation mechanism is used for preserving heat and radiating to the lithium battery pack, and the adjustable heat preservation mechanism includes the baffle that both ends are fixed mutually through the bolt about with the battery box, the blank has been seted up on the baffle, the bottom rotation of blank is connected with a plurality of pivots that run through to the battery box top, the surface mounting of pivot has the aerofoil, the top of pivot is fixed with driven gear, adjustable heat preservation mechanism still includes the support that is fixed mutually with the battery box upper surface, the upper surface of support is fixed with the motor, the output shaft of motor runs through the support and is fixed with the driving gear, the both ends all mesh about the driving gear have first pinion rack, control two sets of the relative one end of driven gear has all meshed the second pinion rack, be fixed with the connecting rod between first pinion rack and the second pinion rack, the surface sliding connection of connecting rod has the guide rail that is fixed in the battery box upper surface.
Further, the inside of guide rail has seted up the cross spout, the surface of connecting rod is fixed with square slider, and square slider and connecting rod all with cross spout sliding connection.
Further, the support is a U-shaped support, and the length of the support in the horizontal direction is smaller than the diameter of the driving gear.
Further, the battery box is a rectangle with hollow inside and both left and right ends missing, and the baffle is a back-shaped baffle.
Further, the movable door is provided with a heat dissipation shutter hole, and the movable door corresponds to the battery box.
Further, a plurality of aerostats are symmetrically and equidistantly distributed, the support is located at the center of the upper surface of the battery box, and the length between the front and the back of the second toothed plate is larger than the length between the front and the back of a plurality of driven gears on the same side.
Further, the electric bus body comprises an electric control system, and the adjustable heat preservation mechanism, the heating mechanism, the temperature sensor and the exhaust fan are all electrically connected with the electric control system.
Further, the heating mechanism comprises a water chamber arranged at the front end, the rear end and the bottom end of the battery box, heating liquid is filled in the water chamber, a plurality of electric heating pipes penetrating into the water chamber are fixed at the front end and the rear end of the top of the battery box, and a liquid supplementing pipe and a liquid draining pipe are respectively fixed at the top of the front face and the bottom of the back face of the battery box.
Further, the cross section of hydroecium is the U-shaped, a plurality of power supply heat pipes pass the through-hole has all been seted up to the left and right sides on battery box top.
Furthermore, the liquid supplementing pipe and the liquid discharging pipe are communicated with the water chamber, and the electric heating pipes are arranged at equal intervals.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
1. this satisfy cold start's of [ electric ] motor coach lithium cell heating heat preservation device holds the chamber through seting up the battery in [ electric ] motor coach is originally internal, and the battery box is located the battery and holds the intracavity, and the lithium cell group locates in the battery box to set up adjustable heat preservation mechanism on the battery box, adjustable heat preservation mechanism directly acts on the battery box, very big reduction the occupation space of the device, thereby reduce equipment cost, can adjust between heat dissipation and heat preservation simultaneously, and satisfy the cold start demand of [ electric ] motor coach.
2. This satisfy cold lithium cell heating heat preservation device who starts of [ electric ] motor coach is through being provided with heating mechanism in the battery box, adopts the mode of electrical heating medium to with heat radiation to the battery box, thereby improve heating heat preservation effect.
3. This satisfy cold lithium cell heating heat preservation device who starts of [ electric ] motor coach, through opening the dodge gate after, conveniently overhauls the maintenance to lithium cell group, when the heat dissipation simultaneously, can avoid the rainwater to enter into [ electric ] motor coach originally internally, satisfy [ electric ] motor coach's user demand.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic sectional plan view of the electric motor coach body and the battery accommodating cavity of the present invention;
FIG. 3 is a schematic plan view of an adjustable thermal insulation mechanism according to the present invention;
FIG. 4 is a schematic view of a connection structure between a baffle and a hollow groove according to the present invention;
FIG. 5 is a schematic plan view of the connecting side of the motor and the support of the present invention;
FIG. 6 is a schematic view of a connecting rod and guide rail connection structure according to the present invention;
FIG. 7 is a schematic plan view of a heating mechanism according to the present invention;
fig. 8 is a schematic perspective view of a battery case according to the present invention;
in the figure: the intelligent electric motor coach comprises a coach body 1, a movable door 2, a 3 exhaust fan, a 4-battery accommodating cavity, a 5-battery box, a 6-lithium battery pack, a 7-temperature sensor, an 8-adjustable heat preservation mechanism, a 801 baffle, a 802 empty slot, a 803 rotating shaft, a 804 air plate, a 805 driven gear, a 806 support, a 807 motor, a 808 driving gear, a 809 first toothed plate, a 810 second toothed plate, a 811 connecting rod, a 812 guide rail, a 9-heating mechanism, a 901 water chamber, 902 heating liquid, a 903 electric heating tube, a 904 liquid supplementing tube and a 905 liquid draining tube.
Detailed Description
Referring to fig. 1-2, a lithium battery heating and heat preservation device meeting cold start of electric motor coach comprises an electric motor coach body 1, wherein the left end and the right end of the electric motor coach body 1 are hinged with a movable door 2 through hinges, the opposite ends of the two movable doors 2 are respectively fixed with a plurality of exhaust fans 3, a battery accommodating cavity 4 corresponding to the movable doors 2 is formed in the electric motor coach body 1, a battery box 5 is fixed on the bottom wall of the battery accommodating cavity 4, a heat dissipation louver hole is formed in the movable door 2 to avoid rainwater from entering, the movable door 2 corresponds to the battery box 5, the battery box 5 is hollow and rectangular with the left end and the right end being missing, the bottom wall of an inner cavity of the battery box 5 is fixedly provided with a lithium battery pack 6 through bolts, the top of the inner cavity of the battery box 5 is fixedly provided with a temperature sensor 7, an adjustable heat preservation mechanism 8 is arranged on the battery box 5, and a heating mechanism 9 is arranged on the battery box 5.
The electric motor coach body 1 includes electric control system, and adjustable heat preservation mechanism 8, heating mechanism 9, temperature sensor 7 and exhaust fan 3 all are connected with the electric control system electricity, to electric control system's the provision, belong to the content among the electric motor coach body 1 among the prior art, consequently, to its structure and theory of operation, do not carry out the description again here.
Referring to fig. 3-6, in order to achieve the purpose of heat preservation, the adjustable heat preservation mechanism 8 in this embodiment is used for preserving heat and dissipating heat of the lithium battery pack 6, and the adjustable heat preservation mechanism 8 includes a baffle 801 fixed with the left and right ends of the battery box 5 by bolts, the baffle 801 is a back-shaped baffle, a hollow groove 802 is formed in the baffle 801, the bottom end of the hollow groove 802 is rotationally connected with a plurality of rotating shafts 803 penetrating through the top of the battery box 5, an air plate 804 is fixed on the outer surface of the rotating shaft 803, the air plates 804 are symmetrically distributed at equal intervals, and a driven gear 805 is fixed on the top end of the rotating shaft 803.
The adjustable heat preservation mechanism 8 further comprises a support 806 fixed with the upper surface of the battery box 5, the support 806 is located at the center of the upper surface of the battery box 5, the support 806 is a U-shaped support, a motor 807 is fixed on the upper surface of the support 806, an output shaft of the motor 807 penetrates through the support 806 and is fixedly provided with a driving gear 808, the left end and the right end of the driving gear 808 are respectively meshed with a first toothed plate 809, the length of the support 806 in the horizontal direction is smaller than the diameter of the driving gear 808, the driving gear 808 can be meshed with the first toothed plates 809, the opposite ends of the left and the right driven gears 805 are respectively meshed with a second toothed plate 810, a connecting rod 811 is fixed between the first toothed plates 809 and the second toothed plates 810, and the outer surface of the connecting rod 811 is in sliding connection with a guide rail 812 fixed on the upper surface of the battery box 5.
Wherein, the inside of guide rail 812 has seted up the cross spout, and the surface of connecting rod 811 is fixed with square slider, and square slider and connecting rod 811 all with cross spout sliding connection, stability when improving first pinion rack 809 and second pinion rack 810 and remove.
In addition, the length between the front and back of the second toothed plate 810 is longer than the length between the front and back of the plurality of driven gears 805 on the same side, and when the second toothed plate 810 moves, the plurality of driven gears 805 can be driven to rotate.
The adjustable heat preservation mechanism 8 in the embodiment converts the rotation force of the motor 807 into the rotation force of the air plate 804, so that the air plate 804 is driven to switch between closing and opening, heat preservation and heat dissipation are convenient to perform, and meanwhile, the air plate 804 directly acts on the battery box 5, so that the occupied space of equipment can be greatly reduced, and the cost is reduced.
When the air plate 804 is in an open state, the two ends of the battery box 5 and the heat dissipation louver holes are on the same straight line, and a flow channel for heat dissipation of the lithium battery pack 6 is formed, so that the lithium battery pack 6 can be rapidly cooled, and the heat dissipation requirement of the lithium battery pack 6 in working is met.
Referring to fig. 7-8, in order to achieve the heating purpose, the heating mechanism 9 in this embodiment includes a water chamber 901 formed at the front and rear ends and the bottom end of the battery box 5, the cross section of the water chamber 901 is U-shaped, the water chamber 901 is filled with a heating liquid 902, the front and rear ends of the top of the battery box 5 are all fixed with a plurality of electric heating pipes 903 penetrating into the water chamber 901, the left and right sides of the top end of the battery box 5 are all formed with through holes through which a plurality of electric heating pipes 903 penetrate, the top of the front surface and the bottom of the back surface of the battery box 5 are respectively fixed with a liquid supplementing pipe 904 and a liquid draining pipe 905, the liquid supplementing pipe 904 and the liquid draining pipe 905 are all communicated with the water chamber 901, and the electric heating pipes 903 are arranged at equal intervals.
In the heating mechanism 9 of the present embodiment, when the plurality of air plates 804 are in a closed state, the electric heating tube 903 can be used to heat the heating liquid 902, thereby heating the interior of the battery box 5.
The working principle of the embodiment is as follows:
(1) The temperature sensor 7 senses the temperature in the battery box 5, when the temperature is higher than a set temperature, the output shaft of the motor 807 drives the driving gear 808 to rotate, the driving gear 808 is meshed with the first toothed plate 809, the first toothed plate 809 drives the second toothed plate 810 to move through the connecting rod 811, the second toothed plate 810 is meshed with the driven gear 805, the driven gear 805 and the rotating shaft 803 are driven to rotate, the air plate 804 is opened, then the air exhausting fan 3 is matched, heat dissipation work can be carried out, after the electric motor coach body 1 stops working, and when the temperature is lower than a set value, the rotating shaft 803 rotates to drive the air plate 804 to be closed, so that two ends of the battery box 5 are sealed, heat preservation of the lithium battery pack 6 is achieved, the whole occupied area is small, and meanwhile, after the movable door 2 is opened, the baffle 801 is dismounted, and maintenance of the lithium battery pack 6 is convenient.
(2) When the battery box 5 is required to be heated, the electric heating tube 903 can work and heat the heating liquid 902, the electric heating medium is adopted to heat the inside of the battery box 5, the heating effect is improved, the temperature sensor 7 senses the temperature, the liquid supplementing tube 904 can supplement the heating liquid 902, the liquid draining tube 905 is convenient to drain liquid, and meanwhile the electric heating tube 903 is installed with the battery box 5 in an inserting fixed mode, so that the battery box is convenient to disassemble and maintain.
Claims (10)
1. Lithium cell heating heat preservation device that satisfies cold start of [ electric ] motor coach, including [ electric ] motor coach body (1), its characterized in that: the left end and the right end of the electric motor coach body (1) are hinged with movable doors (2) through hinges, a plurality of exhaust fans (3) are fixed at the opposite ends of the two movable doors (2), a battery accommodating cavity (4) corresponding to the movable doors (2) is formed in the electric motor coach body (1), a battery box (5) is fixed on the bottom wall of the battery accommodating cavity (4), a lithium battery pack (6) is fixed on the bottom wall of the inner cavity of the battery box (5) through bolts, a temperature sensor (7) is fixed on the top of the inner cavity of the battery box (5), an adjustable heat preservation mechanism (8) is arranged on the battery box (5), and a heating mechanism (9) is arranged on the battery box (5);
wherein, adjustable heat preservation mechanism (8) are used for keeping warm and dispel the heat to lithium cell group (6), and adjustable heat preservation mechanism (8) include with battery case (5) left and right sides both ends pass through baffle (801) that the bolt is fixed mutually, set up empty slot (802) on baffle (801), the bottom rotation of empty slot (802) is connected with a plurality of pivots (803) that run through to battery case (5) top, the surface fixation of pivot (803) has aerofoil (804), the top of pivot (803) is fixed with driven gear (805), adjustable heat preservation mechanism (8) still include support (806) fixed with battery case (5) upper surface mutually, the upper surface of support (806) is fixed with motor (807), the output shaft of motor (807) runs through support (806) and is fixed with driving gear (808), both ends all mesh about driving gear (808) have first pinion (809), both ends that driven gear (805) are relative all mesh has second pinion (810), be fixed with on the surface of connecting rod (811) between first pinion (809) and second pinion (810), the surface fixation has connecting rod (811) on the surface fixation of connecting rod (811).
2. The lithium battery heating and heat preservation device for meeting cold start of electric bus according to claim 1, wherein the lithium battery heating and heat preservation device is characterized in that: the inside of guide rail (812) has seted up the cross spout, the surface of connecting rod (811) is fixed with square slider, and square slider and connecting rod (811) all with cross spout sliding connection.
3. The lithium battery heating and heat preservation device for meeting cold start of electric bus according to claim 1, wherein the lithium battery heating and heat preservation device is characterized in that: the support (806) is a U-shaped support, and the length of the support (806) in the horizontal direction is smaller than the diameter of the driving gear (808).
4. The lithium battery heating and heat preservation device for meeting cold start of electric bus according to claim 1, wherein the lithium battery heating and heat preservation device is characterized in that: the battery box (5) is a rectangle with hollow inside and both left and right ends missing, and the baffle (801) is a back-shaped baffle.
5. The lithium battery heating and heat preservation device for meeting cold start of electric bus according to claim 1, wherein the lithium battery heating and heat preservation device is characterized in that: the movable door (2) is provided with a heat dissipation shutter hole, and the movable door (2) corresponds to the battery box (5).
6. The lithium battery heating and heat preservation device for meeting cold start of electric bus according to claim 1, wherein the lithium battery heating and heat preservation device is characterized in that: the plurality of air baffles (804) are symmetrically and equidistantly distributed, the support (806) is positioned at the center of the upper surface of the battery box (5), and the length between the front and the back of the second toothed plate (810) is longer than the length between the front and the back of the plurality of driven gears (805) on the same side.
7. The lithium battery heating and heat preservation device for meeting cold start of electric bus according to claim 1, wherein the lithium battery heating and heat preservation device is characterized in that: the electric motor coach body (1) comprises an electric control system, and the adjustable heat preservation mechanism (8), the heating mechanism (9), the temperature sensor (7) and the exhaust fan (3) are all electrically connected with the electric control system.
8. The lithium battery heating and heat preservation device for meeting cold start of electric bus according to claim 1, wherein the lithium battery heating and heat preservation device is characterized in that: the heating mechanism (9) comprises a water chamber (901) which is arranged at the front end and the rear end of the battery box (5) and is filled with heating liquid (902), a plurality of electric heating pipes (903) penetrating through the water chamber (901) are fixed at the front end and the rear end of the top of the battery box (5), and liquid supplementing pipes (904) and liquid draining pipes (905) are respectively fixed at the top of the front face and the bottom of the back face of the battery box (5).
9. The lithium battery heating and heat preservation device for meeting cold start of electric bus according to claim 8, wherein: the section of the water chamber (901) is U-shaped, and the left side and the right side of the top end of the battery box (5) are provided with through holes through which a plurality of power supply heat pipes (903) penetrate.
10. The lithium battery heating and heat preservation device for meeting cold start of electric bus according to claim 8, wherein: the liquid supplementing pipe (904) and the liquid discharging pipe (905) are communicated with the water chamber (901), and the electric heating pipes (903) are equidistantly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310059714.9A CN116365106A (en) | 2023-01-18 | 2023-01-18 | Lithium battery heating and heat preservation device capable of meeting cold start of electric bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310059714.9A CN116365106A (en) | 2023-01-18 | 2023-01-18 | Lithium battery heating and heat preservation device capable of meeting cold start of electric bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116365106A true CN116365106A (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310059714.9A Pending CN116365106A (en) | 2023-01-18 | 2023-01-18 | Lithium battery heating and heat preservation device capable of meeting cold start of electric bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116365106A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208596762U (en) * | 2018-07-26 | 2019-03-12 | 山东科技大学 | A kind of electric automobile lithium battery heat-insulation system |
| CN210723295U (en) * | 2019-10-17 | 2020-06-09 | 武汉枭龙汽车技术有限公司 | Lithium battery heating and heat-insulating device capable of meeting cold start of electric motor coach |
| CN113851778A (en) * | 2021-08-27 | 2021-12-28 | 广西科技大学 | Battery protection device for new energy automobile |
| CN114069106A (en) * | 2021-10-28 | 2022-02-18 | 江西博能上饶客车有限公司 | Lithium battery heating and heat-insulating device capable of meeting cold start of electric motor coach |
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2023
- 2023-01-18 CN CN202310059714.9A patent/CN116365106A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208596762U (en) * | 2018-07-26 | 2019-03-12 | 山东科技大学 | A kind of electric automobile lithium battery heat-insulation system |
| CN210723295U (en) * | 2019-10-17 | 2020-06-09 | 武汉枭龙汽车技术有限公司 | Lithium battery heating and heat-insulating device capable of meeting cold start of electric motor coach |
| CN113851778A (en) * | 2021-08-27 | 2021-12-28 | 广西科技大学 | Battery protection device for new energy automobile |
| CN114069106A (en) * | 2021-10-28 | 2022-02-18 | 江西博能上饶客车有限公司 | Lithium battery heating and heat-insulating device capable of meeting cold start of electric motor coach |
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