CN113594588A - Power lithium battery of electric excavator used in plateau environment - Google Patents
Power lithium battery of electric excavator used in plateau environment Download PDFInfo
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- CN113594588A CN113594588A CN202110899434.XA CN202110899434A CN113594588A CN 113594588 A CN113594588 A CN 113594588A CN 202110899434 A CN202110899434 A CN 202110899434A CN 113594588 A CN113594588 A CN 113594588A
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
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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
- H01M10/63—Control systems
- H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
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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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
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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
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
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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
- H01M50/271—Lids or covers for the racks or secondary 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
- 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
- H01M50/298—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the wiring of battery packs
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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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
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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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Abstract
The invention discloses a power lithium battery of an electric excavator used in a plateau environment, which comprises a lithium battery body, wherein a heating device is arranged in an inner cavity of the lithium battery body, the heating device comprises three heating films and a controller, the surface of the controller is fixedly connected with a main interface, the surface of the main interface is sleeved with a limiting block in a sliding manner, the middle of the bottom of the controller is fixedly connected with a first power supply interface, the left bottom of the controller is fixedly connected with a temperature sensor, and the left surface and the right surface of each heating film are symmetrically and fixedly connected with mounting plates. This electric excavator power lithium cell that plateau environment used heats lithium cell group through the heat energy of heating film, has solved the railway construction of storing in Chuan province, and service environment height above sea level is round the clock the difference in temperature, and the difference in temperature is very big in winter and summer, and the high-altitude area air of height is thin, and traditional diesel oil internal combustion excavator can't work effectively, leads to the lithium cell to use the very big problem of receiving the temperature influence.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a power lithium battery of an electric excavator used in a plateau environment.
Background
An excavator, also known as a digger, is an earth moving machine that excavates material above or below a load bearing surface with a bucket and loads it into a transport vehicle or unloads it to a stockyard. The excavator consists of a power device, a working device, a swing mechanism, a control mechanism, a transmission mechanism, a traveling mechanism and the like, and is mainly used for excavating materials such as soil, coal, silt and the like. The three most important parameters are the operation weight, the engine power and the bucket capacity, and the excavator is composed of a working device, an upper rotary table and a travelling mechanism in appearance. According to their construction and use, one can distinguish: caterpillar, tyre, walking, full hydraulic, semi-hydraulic, full rotation, non-full rotation, universal, special, hinged, telescopic, etc.
Wherein electric excavator is driven by the power lithium cell, but at tibet railway construction, service environment height above sea level, the difference in temperature round the clock, the difference in temperature is very big in winter and summer, and the high-altitude area air is thin, and traditional diesel oil internal combustion excavator can't effective work, leads to the lithium cell to use the very big problem of receiving the temperature to influence.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a power lithium battery of an electric excavator used in a plateau environment, and solves the problems that the use of the lithium battery is greatly influenced by temperature due to the fact that the traditional diesel internal combustion excavator cannot effectively work in high altitude areas, day and night temperature differences, very large temperature differences in winter and summer, and thin air in the high altitude areas during construction of Sichuan-Tibet railways.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an electric excavator power lithium cell that plateau environment used, includes lithium cell body, lithium cell body's inner chamber is provided with heating device.
The heating device comprises three heating films and a controller, wherein a total interface is fixedly connected to the surface of the controller, a limiting block is sleeved on the surface of the total interface in a sliding mode, a first power supply interface is fixedly connected to the middle of the bottom of the controller, a temperature sensor is fixedly connected to the left bottom of the controller, and mounting plates are symmetrically and fixedly connected to the left surface and the right surface of each heating film.
The controller comprises a processor, an execution unit, a second power interface and a data processing and analyzing unit, wherein the output end of the processor is electrically connected with the input end of the execution unit through a wire, and the processor is electrically connected with the data processing and analyzing unit in a bidirectional mode through a wire.
The output of total interface passes through the wire and realizes electric connection with the input of treater, total interface respectively with realize two-way electric connection through the wire between power source interface one and the power source interface two, electric connection is realized through the wire with the input of power source interface one to the output of execution unit, electric connection is realized through wire and temperature sensor's input to the output of power source interface two, electric connection is realized through the wire and the input of treater to temperature sensor's output.
Preferably, the lithium battery body comprises a shell, the top fixedly connected with top cover of the shell, the surface symmetry fixedly connected with of top cover) the carrying handle, the turning fixedly connected with mouth that charges on top cover surface, the junction of the mouth that charges runs through the top of top cover to with the junction interconnect of lithium cell group, the lower fixed surface of shell is provided with a plurality of plug-in interfaces, the last fixed surface of shell is provided with intelligent display screen, the inner chamber of shell is provided with lithium cell group.
Preferably, the bilateral symmetry of casing is fixed to be seted up and is led to the groove, the surface that leads to the groove is connected with the outer door that seals through hinge symmetry rotation, the port symmetry fixedly connected with grid plate that leads to the groove phase place, the top symmetry of casing is fixed to be seted up the through-hole, and communicates each other with the inner chamber that leads to the groove.
Preferably, the fixed surface in the middle of the top cap has seted up the standing groove, the bottom symmetry of top cap is fixed and has been seted up T type shrinkage pool, the one end of T type shrinkage pool communicates with the inner chamber of standing groove each other.
Preferably, the fixed surface of controller cup joints in the inner chamber of standing groove, and the equal symmetry of wire passes in the inner chamber of carrying handle to fix in the inner chamber of T type shrinkage pool through the buckle, the surface of heating film all realizes electric connection through wire and power source interface one.
Preferably, the heating film is movably arranged in the inner cavity of the through groove, and the surface of the mounting plate is fixed on the inner wall of the through groove through bolts.
Preferably, the limiting block is fixed on the top of the top cover, and the main interface is fixed at a corner of the top cover, penetrates through the surface of the top cover, and is connected with the connecting part of the lithium battery pack.
Preferably, the size of the heating film is the same as that of the inner cavity of the through groove.
Advantageous effects
The invention provides a power lithium battery of an electric excavator used in a plateau environment. Compared with the prior art, the method has the following beneficial effects:
1. the power lithium battery of the electric excavator used in the plateau environment can detect the temperature of the lithium battery pack in the inner cavity of the shell through the temperature sensor, when the temperature sensor detects that the temperature of the lithium battery pack is lower than a set value, the temperature sensor can transmit data to the processor, then the processor transmits the received value to the data processing and analyzing unit again, the data processing and analyzing unit detects the value, when the detected data is really lower than the set temperature value, the determined signal is transmitted to the processor again, the execution unit is controlled to start the first power interface, the first power interface is started through a heating film connected with a lead, heat energy emitted by the heating film is diffused into the inner cavity of the shell to heat the lithium battery pack, the temperature of the lithium battery pack is restored to the original position, and in addition, the temperature sensor can detect all the time, when the temperature sensor detects that the temperature of the lithium battery pack is greater than or equal to the temperature value set by the temperature sensor, data can be transmitted to the processor again, the data are analyzed and processed through the data processing and analyzing unit, the signal is returned to the processor after the data are determined, the processor controls the executing unit to close the power interface once again, the heating film is not heated, automatic heating and closing are completed through the temperature of the lithium battery pack, the effects of energy conservation and emission reduction can be achieved, the high altitude of the use environment can be solved, the temperature difference between day and night, the temperature difference between winter and summer is very large, the air in high altitude areas is thin, the traditional diesel engine excavator can not work effectively, and the problem that the lithium battery is greatly influenced by the temperature is caused.
2. This electric excavator power lithium cell that plateau environment used can completely cut off heating film and lithium cell group through the grid plate, prevents the contact of heating film and lithium cell group, when can causing the heating film heating, because of surface temperature is great, can cause the injury to the surface of lithium cell group to and T type shrinkage pool and through-hole can hide the wire that the heating film is connected, can protect and keep the clean and tidy problem of outward appearance to the wire.
3. This electric excavator power lithium cell that plateau environment used, when breaking down through arbitrary heating film, can open the outer door that seals through the key, make the staff come to maintain the heating film of trouble, when needs are changed, take out the bolt on mounting panel surface to it can to take out the heating film is whole from the inner chamber that leads to the groove, makes things convenient for the dismouting in later stage.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a lithium battery cell body according to the present invention;
FIG. 3 is a schematic view of a structural top cover of the present invention;
FIG. 4 is a cross-sectional view of a structural shell of the present invention;
FIG. 5 is a schematic view of a heating apparatus according to the present invention;
FIG. 6 is a schematic diagram of a structural controller according to the present invention;
fig. 7 is a connection block diagram of the structural controller, the temperature sensor, the main interface and the power interface according to the present invention.
In the figure: 1. a lithium battery body; 11. a housing; 12. an intelligent display screen; 13. a lithium battery pack; 14. a top cover; 15. a carrying handle; 16. a charging port; 17. an electrical interface is plugged; 2. a heating device; 21. heating the film; 22. a controller; 221. a processor; 222. an execution unit; 223. a second power supply interface; 224. a data processing and analyzing unit; 23. a main interface; 24. a limiting block; 25. mounting a plate; 26. a temperature sensor; 27. a first power supply interface; 3. an outer sealing door; 4. a through groove; 5. a through hole; 6. a grid plate; 7. t-shaped concave holes; 8. and (6) placing the groove.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, an embodiment of the present invention provides a technical solution: the utility model provides an electric excavator power lithium cell that plateau environment used, including lithium cell body 1, lithium cell body 1's inner chamber is provided with heating device 2, lithium cell body 1 includes casing 11, casing 11's top fixedly connected with top cap 14, top cap 14's surperficial symmetry fixedly connected with handle 15, the turning fixedly connected with mouth 16 that charges on top cap 14 surface, the junction of mouthful 16 that charges runs through top cap 14's top, and with the junction interconnect of lithium cell group 13, casing 11's lower fixed surface is provided with a plurality of electric interface 17 of inserting, casing 11's last fixed surface is provided with intelligent display screen 12, casing 11's inner chamber is provided with lithium cell group 13.
Referring to fig. 5-7, the heating device 2 includes three heating films 21 and a controller 22, a main interface 23 is fixedly connected to a surface of the controller 22, a limiting block 24 is slidably sleeved on a surface of the main interface 23, a first power interface 27 is fixedly connected to a middle of a bottom of the controller 22, a temperature sensor 26 is fixedly connected to a left bottom of the controller 22, mounting plates 25 are symmetrically and fixedly connected to left and right surfaces of the heating films 21, the controller 22 includes a processor 221, an execution unit 222, a second power interface 223 and a data processing and analyzing unit 224, an output end of the processor 221 is electrically connected to an input end of the execution unit 222 through a wire, the processor 221 is electrically connected to the data processing and analyzing unit 224 through a wire, an output end of the main interface 23 is electrically connected to an input end of the processor 221 through a wire, the main interface 23 is electrically connected to the first power interface 27 and the second power interface 223 through a wire, the output end of the execution unit 222 is electrically connected with the input end of the first power interface 27 through a wire, the output end of the second power interface 223 is electrically connected with the input end of the temperature sensor 26 through a wire, the output end of the temperature sensor 26 is electrically connected with the input end of the processor 221 through a wire, the surface of the controller 22 is fixedly sleeved in the inner cavity of the placement groove 8, the wires symmetrically penetrate through the inner cavity of the handle 15 and are fixed in the inner cavity of the T-shaped concave hole 7 through a buckle, the surface of the heating film 21 is electrically connected with the first power interface 27 through a wire, the heating film 21 is movably arranged in the inner cavity of the through groove 4, the surface of the mounting plate 25 is fixed on the inner wall of the through groove 4 through a bolt, the limiting block 24 is fixed on the top of the top cover 14, the main interface 23 is fixed at the corner of the top cover 14 and penetrates through the surface of the top cover 14 and is connected with the connection part of the lithium battery pack 13, the heating film 21 has the same size as the inner cavity of the through groove 4.
Referring to fig. 3-4, through grooves 4 are symmetrically and fixedly formed in two sides of a shell 11, the surface of each through groove 4 is connected with an outer sealing door 3 in a rotating mode through hinges symmetrically, end ports opposite to the through grooves 4 are symmetrically and fixedly connected with grid plates 6, through holes 5 are symmetrically and fixedly formed in the top of the shell 11 and are communicated with inner cavities of the through grooves 4, a placing groove 8 is formed in the middle of a top cover 14 in a fixed surface mode, T-shaped concave holes 7 are symmetrically and fixedly formed in the bottom of the top cover 14, and one end of each T-shaped concave hole 7 is communicated with the inner cavity of the placing groove 8.
S1, when in use, firstly, the lithium battery body 1 is placed in a position required by the excavator, when the lithium battery body 1 is started and drives the excavator to work, wherein the temperature sensor 26 detects the temperature of the lithium battery pack 13 in the inner cavity of the shell 11, when the temperature sensor 26 detects that the temperature of the lithium battery pack 13 is less than a set value, the temperature sensor 26 transmits data to the processor 221, then the processor 221 transmits the received value to the data processing and analyzing unit 224 again, the data processing and analyzing unit 224 detects the value, when the detected data is really less than the set temperature value, the determined signal is transmitted to the processor 221 again, the execution unit 222 is controlled to start the first power interface 27, the heating film 21 connected with the first power interface 27 through a lead is started, and the heat energy radiated by the heating film 21 is diffused into the inner cavity of the shell 11, the lithium battery pack 13 is heated, so that the temperature of the lithium battery pack 13 is restored to the original position, in addition, the temperature sensor 26 can always detect the temperature, when the temperature of the lithium battery pack 13 detected by the temperature sensor 26 is greater than or equal to the temperature value set by the temperature sensor, the data can be transmitted to the processor 221 again, the data is analyzed and processed by the data processing and analyzing unit 224, a signal is returned to the processor 221 after the determination, the processor 221 controls the execution unit 222 to close the first power interface 27 again, the heating film 21 is not heated, automatic heating and closing are completed through the temperature of the lithium battery pack 13, and the effects of energy conservation and emission reduction can be achieved.
S2, during the use, the net board 6 can completely cut off with hotting mask 21 and lithium cell group 13 in addition, prevents with the contact of lithium cell group 13 with hotting mask 21, when can causing hotting mask 21 to heat, because of surface temperature is great, can cause the injury to the surface of lithium cell group 13 to and T type shrinkage pool 7 and through-hole 5 can hide the wire that hotting mask 21 is connected, can protect and keep the clean and tidy problem of outward appearance to the wire.
S3, during the use, in addition when arbitrary heating film 21 breaks down, can open outer sealing door 3 through the key, make the staff come to maintain the heating film 21 of trouble, when needs are changed, take out the bolt on mounting panel 25 surface to it can to take out the whole inner chamber from leading to groove 4 of heating film 21, make things convenient for the dismouting in later stage.
Further, when the entire heating film 21 is taken out again, the lead wire on the surface of the heating film 21 needs to be taken out from the connection point of the first power supply interface 27, and after replacement, a new heating film 21 may be attached in step S3.
Furthermore, the first power interface 27 is a three-head interface and has three identical connectors, which facilitates the connection of the heating film 21, and the first power interface 27 and the second power interface 223 are respectively connected in parallel with the main interface 23 for the main interface 23, so that when the first power interface 27 is powered off, the main interface 23 and the second power interface 223 will not have any influence.
And those not described in detail in this specification are well within the skill of those in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although 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 (8)
1. The utility model provides an electric excavator power lithium cell that plateau environment used, includes lithium cell body (1), its characterized in that: the inner cavity of the lithium battery body (1) is provided with a heating device (2);
the heating device (2) comprises three heating films (21) and a controller (22), a main interface (23) is fixedly connected to the surface of the controller (22), a limiting block (24) is sleeved on the surface of the main interface (23) in a sliding mode, a first power supply interface (27) is fixedly connected to the middle of the bottom of the controller (22), a temperature sensor (26) is fixedly connected to the left bottom of the controller (22), and mounting plates (25) are symmetrically and fixedly connected to the left surface and the right surface of each heating film (21);
the controller (22) comprises a processor (221), an execution unit (222), a power interface II (223) and a data processing and analyzing unit (224), wherein the output end of the processor (221) is electrically connected with the input end of the execution unit (222) through a lead, and the processor (221) is electrically connected with the data processing and analyzing unit (224) in a bidirectional mode through a lead;
the output of total interface (23) passes through the input of wire with treater (221) and realizes electric connection, total interface (23) respectively with power source interface one (27) and power source interface two (223) between realize two-way electric connection through the wire, the output of execution unit (222) passes through the wire and realizes electric connection with the input of power source interface one (27), electric connection is realized through the input of wire and temperature sensor (26) to the output of power source interface two (223), electric connection is realized through the input of wire and temperature sensor (26) to the output of temperature sensor (26) passes through the wire and realizes electric connection with the input of treater (221).
2. The power lithium battery of the electric excavator used in the plateau environment as claimed in claim 1, wherein: lithium cell body (1) includes casing (11), the top fixedly connected with top cap (14) of casing (11), the surperficial symmetry fixedly connected with) handle (15) of top cap (14), the turning fixedly connected with on top cap (14) surface charges mouthful (16), the junction of the mouth that charges (16) runs through the top of top cap (14) to with the junction interconnect of lithium cell group (13), the lower fixed surface of casing (11) is provided with a plurality of plug-in electrical interface (17), the last fixed surface of casing (11) is provided with intelligent display screen (12), the inner chamber of casing (11) is provided with lithium cell group (13).
3. The power lithium battery of the electric excavator used in the plateau environment as claimed in claim 2, wherein: the bilateral symmetry of casing (11) is fixed has seted up and has been led to groove (4), the surface that leads to groove (4) is connected with outer door (3) through hinge symmetry rotation, lead to groove (4) relative port symmetry fixedly connected with grid plate (6), through-hole (5) have been seted up to the top symmetry of casing (11) is fixed, and communicates each other with the inner chamber that leads to groove (4).
4. The power lithium battery of the electric excavator used in the plateau environment as claimed in claim 2, wherein: fixed surface in the middle of top cap (14) has seted up standing groove (8), T type shrinkage pool (7) have been seted up to the bottom symmetry of top cap (14) is fixed, the one end of T type shrinkage pool (7) and the inner chamber of standing groove (8) communicate each other.
5. The power lithium battery of the electric excavator used in the plateau environment as claimed in claim 1, wherein: the fixed cover in the inner chamber of standing groove (8) is fixed to the surface of controller (22), and the equal symmetry of wire passes in the inner chamber of portable handle (15) to fix in the inner chamber of T type shrinkage pool (7) through the buckle, the surface of heating film (21) all realizes electric connection through wire and power source interface (27).
6. The power lithium battery of the electric excavator used in the plateau environment as claimed in claim 1, wherein: the heating film (21) is movably arranged in an inner cavity of the through groove (4), and the surface of the mounting plate (25) is fixed on the inner wall of the through groove (4) through bolts.
7. The power lithium battery of the electric excavator used in the plateau environment as claimed in claim 1, wherein: the limiting block (24) is fixed on the top of the top cover (14), and the main interface (23) is fixed at the corner of the top cover (14), penetrates through the surface of the top cover (14), and is connected with the connecting part of the lithium battery pack (13).
8. The power lithium battery of the electric excavator used in the plateau environment as claimed in claim 6, wherein: the size of the heating film (21) is the same as that of the inner cavity of the through groove (4).
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| CN202110899434.XA CN113594588A (en) | 2021-08-06 | 2021-08-06 | Power lithium battery of electric excavator used in plateau environment |
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| CN202110899434.XA CN113594588A (en) | 2021-08-06 | 2021-08-06 | Power lithium battery of electric excavator used in plateau environment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114597541A (en) * | 2022-03-11 | 2022-06-07 | 安徽易科新能源科技有限公司 | Preheating lithium battery pack used in low-temperature environment and preheating method |
| CN115241592A (en) * | 2022-07-21 | 2022-10-25 | 中国第一汽车股份有限公司 | Solid-state battery module |
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