CN215070097U - Lithium battery system used in low-temperature environment - Google Patents
Lithium battery system used in low-temperature environment Download PDFInfo
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- CN215070097U CN215070097U CN202121241930.8U CN202121241930U CN215070097U CN 215070097 U CN215070097 U CN 215070097U CN 202121241930 U CN202121241930 U CN 202121241930U CN 215070097 U CN215070097 U CN 215070097U
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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
A lithium battery system used in a low-temperature environment relates to the technical field of lithium ion batteries. Install the epoxy board in the aluminium box, be provided with lithium cell group, solar controller, BMS battery management module on the epoxy board, install the heating plate on the lithium cell group, be provided with positive terminal and negative terminal on the heating plate, positive terminal and negative terminal are connected with BMS battery management module through the wire, BMS battery management module respectively with lithium cell group, solar controller electric connection. The utility model discloses having revised the solar control ware principle of charging, having reformed into the voltage electric current that provides a stable output promptly, the highest voltage value that charges is unanimous with the lithium cell group charging voltage, and guarantee lithium cell group voltage guarantees the heating plate voltage again, and the solar control ware is no longer judged when being higher than lithium cell group charging voltage and is cut off circuit, only does the current-limiting work, and whole practicality is strong, has great market spreading value.
Description
Technical Field
The utility model relates to a lithium ion battery technical field, concretely relates to lithium battery system that low temperature environment used.
Background
In the current solar power generation system industry, the lithium battery charging in low-temperature areas can be damaged and irreversible due to the lithium battery technology. The battery of low temperature heating in the market at present is all in the form of auxiliary heating, heats the battery to above zero and begins to charge, and there is a technical problem here, is exactly as long as solar energy power is higher than heating plate power, and the inside heating device voltage of battery will rise, reaches battery protection voltage, and the controller detects after being full of voltage, stops charging promptly, when causing low temperature weather good, and false heating is charged, can not reach low temperature battery result of use.
The prior art CN201620362310.2 discloses a lithium battery system for use in low temperature environment, which comprises a lithium battery unit module, a main control module, a battery management module, a heating module, a battery capable of being used in low temperature environment, a temperature acquisition module and a charging module, wherein the lithium battery unit module is connected to the battery management module, the charging module and the heating module, and the lithium battery unit module is further connected to the battery management module via the temperature acquisition module, and the heating module is connected to the battery management module and the battery capable of being used in low temperature environment, which has a simple structure, can be charged and discharged in low temperature environment, provides a solution for operating equipment of a storage battery power supply using a lithium battery as a power supply in low temperature environment, but the solution can not ensure the voltage of the battery unit module and the voltage of the heating module to be consistent, so that the lithium battery unit module can not achieve the use effect in the actual use effect, meanwhile, the corresponding heat-insulating layer is not arranged outside the lithium battery unit module, so that the heating temperature at the periphery of the battery can be quickly dissipated when the heating is stopped, and the great energy waste is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects and shortcomings of the prior art, and provides a lithium battery system used in a low-temperature environment, which solves the problems in the prior art, modifies the charging principle of a solar controller, namely, the charging principle is modified to provide a voltage current with stable output, the highest charging voltage value is consistent with the charging voltage of a lithium battery pack, the voltage of the lithium battery pack is ensured, the voltage of a heating plate is ensured, the circuit is cut off when the solar controller does not judge that the voltage is higher than the charging voltage of the lithium battery pack any more, only the current limiting work is carried out, the lithium battery pack is normally charged when being used at the temperature above zero, the heating plate is not started for heating, when the temperature below zero is used, the heating plate is started for heating when the temperature is below zero, the temperature reaches the preset charging temperature, the charging is started, meanwhile, the epoxy heat-preserving and heat-insulating cotton is wrapped outside the battery pack, the temperature protection is carried out, namely, the heating temperature is ensured not to be quickly diffused, better energy collection can be kept in low-temperature areas, the whole practicability is strong, and the market popularization value is higher.
In order to achieve the above purpose, the utility model adopts the following technical scheme: it contains aluminium box 1, lithium cell group 2, heating plate 3, solar controller 4, BMS battery management module 5, epoxy board 6, aluminium box 1's appearance is square structure, install epoxy board 6 in the aluminium box 1, be provided with lithium cell group 2 on the epoxy board 6, solar controller 4, BMS battery management module 5, install heating plate 3 on the lithium cell group 2, be provided with positive terminal 31 and negative terminal 32 on the heating plate 3, positive terminal 31 is connected with BMS battery management module 5 through the wire with negative terminal 32, BMS battery management module 5 respectively with lithium cell group 2, 4 electric connection of solar controller.
The left side of aluminium box 1 be provided with left end cover 11, the right side is provided with right-hand member lid 12, waterproof circle 13 is all installed near the inboard of aluminium box 1 to left end cover 11 and right-hand member lid 12, is connected with water joint input 41 on the solar control ware 4, is connected with water joint output 42 on the BMS battery management module 5, water joint input 41 and water joint output 42 all pass right-hand member lid 12.
The lithium battery pack 2 is formed by arranging a plurality of lithium battery arrays, and the lithium batteries are connected through a conducting strip 51.
And epoxy heat-preservation and heat-insulation cotton is arranged outside the lithium battery pack 2.
The left end cover 11 and the right end cover 12 are both connected and fixed with the aluminum box 1 through fastening screws.
The right end cover 12 is provided with an indicator light 14, and the indicator light 14 is electrically connected with the solar controller 4.
The utility model discloses a theory of operation: when the solar battery management module 5 detects that the lithium battery pack 2 is at a temperature above zero for use, the BMS battery management module 5 transmits a signal of the detected temperature to the solar controller 4, the solar controller 4 can realize normal charging of the lithium battery pack 2 to ensure that the charging voltage is consistent with the charging voltage of the lithium battery pack 2, when the BMS battery management module 5 detects that the lithium battery pack 2 is at a temperature below zero for use, the lithium battery pack 2 cannot realize the charging function, the BMS protective plate controls the heating sheet 3 to start an auxiliary heating process for the lithium battery pack 2 to ensure that the lithium battery pack 2 starts to be normally charged when the temperature of the lithium battery pack 2 reaches above zero of the preset charging temperature, the solar controller 4 ensures the charging voltage of the lithium battery pack 2 and ensures the voltage of the heating sheet 3, and the solar controller 4 cuts off the circuit when the charging voltage is no longer judged to be higher than the charging voltage of the lithium battery pack 2, only the current limiting operation is performed.
After the technical scheme is adopted, the utility model discloses beneficial effect does: the utility model discloses modified solar control ware principle of charging, the voltage current who provides a stable output changes into promptly, it is unanimous to charge peak voltage value and lithium cell group charging voltage, guarantee lithium cell group voltage, guarantee the heating plate voltage again, solar control ware is no longer judged the cutoff circuit when being higher than lithium cell group charging voltage, only do the current-limiting work, be ordinary charging when lithium cell group is in the temperature use more than zero degree, do not start the heating plate heating, when the temperature use below zero degree, begin to start the heating plate heating, the temperature is to presetting the charging temperature, open and charge, the outside parcel of group battery has epoxy thermal-insulated cotton that keeps warm simultaneously, carry out temperature protection, guarantee promptly that heating temperature can not give off very fast, also can keep better energy collection in low temperature area, the whole practicality is strong, great market spreading value has.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic diagram of a right-view structure corresponding to fig. 1.
Description of reference numerals: aluminium box 1, left end lid 11, right-hand member lid 12, waterproof circle 13, pilot lamp 14, lithium cell group 2, heating plate 3, positive terminal 31, negative terminal 32, solar control ware 4, water joint input 41, water joint output 42, BMS battery management module 5, conducting strip 51, epoxy 6.
Detailed Description
Referring to fig. 1 to 2, the technical solution adopted by the present embodiment is: it comprises an aluminum box 1, a lithium battery pack 2, a heating sheet 3, a solar controller 4 and a BMS battery management module 5, epoxy board 6, the appearance of aluminium box 1 is square structure, install epoxy board 6 in the aluminium box 1, be provided with lithium cell group 2 on the epoxy board 6, solar control unit 4, BMS battery management module 5, install heating plate 3 on the lithium cell group 2, be provided with positive terminal 31 and negative terminal 32 on the heating plate 3, positive terminal 31 is connected with BMS battery management module 5 through the wire with negative terminal 32, BMS protection shield control heating plate 3 carries out the auxiliary heating control, BMS battery management module 5 respectively with lithium cell group 2, 4 electric connection of solar control unit, 2 charging temperature of BMS battery management module 5 detectable lithium cell group and real-time transmission to solar control unit 4, solar control unit 4 judges whether start 3 auxiliary heating of heating plate.
The left side of aluminium box 1 be provided with left end cover 11, the right side is provided with right-hand member lid 12, waterproof circle 13 is all installed near the inboard of aluminium box 1 to left end cover 11 and right-hand member lid 12, is connected with water joint input 41 on the solar control ware 4, is connected with water joint output 42 on the BMS battery management module 5, water joint input 41 and water joint output 42 all pass right-hand member lid 12.
Further, the lithium battery pack 2 is formed by arranging a plurality of lithium battery arrays, so that the performance and use effects of the lithium battery pack are better exerted, and the lithium batteries are connected through the conducting strips 51.
Furthermore, the external mounting of lithium cell group 2 have the thermal-insulated cotton of epoxy heat preservation, temperature protection can be fine carries out, guarantees promptly that heating temperature can not give off very fast, also can keep better energy collection in the low temperature area.
Furthermore, the left end cover 11 and the right end cover 12 are both connected and fixed with the aluminum box 1 through fastening screws, so that the maintenance and the disassembly are convenient.
Further, the right end cover 12 is provided with an indicator lamp 14, the indicator lamp 14 is electrically connected with the solar controller 4, and the indicator lamp 14 can be used for visually monitoring the electric quantity condition of the lithium battery pack 2.
The utility model discloses a theory of operation: when the solar battery management module 5 detects that the lithium battery pack 2 is at a temperature above zero for use, the BMS battery management module 5 transmits a signal of the detected temperature to the solar controller 4, the solar controller 4 can realize normal charging of the lithium battery pack 2 to ensure that the charging voltage is consistent with the charging voltage of the lithium battery pack 2, when the BMS battery management module 5 detects that the lithium battery pack 2 is at a temperature below zero for use, the lithium battery pack 2 cannot realize the charging function, the BMS protective plate controls the heating sheet 3 to start an auxiliary heating process for the lithium battery pack 2 to ensure that the lithium battery pack 2 starts to be normally charged when the temperature of the lithium battery pack 2 reaches above zero of the preset charging temperature, the solar controller 4 ensures the charging voltage of the lithium battery pack 2 and ensures the voltage of the heating sheet 3, and the solar controller 4 cuts off the circuit when the charging voltage is no longer judged to be higher than the charging voltage of the lithium battery pack 2, only the current limiting operation is performed.
After the technical scheme is adopted, the utility model discloses beneficial effect does: the utility model discloses modified solar control ware principle of charging, the voltage current who provides a stable output changes into promptly, it is unanimous to charge peak voltage value and lithium cell group charging voltage, guarantee lithium cell group voltage, guarantee the heating plate voltage again, solar control ware is no longer judged the cutoff circuit when being higher than lithium cell group charging voltage, only do the current-limiting work, be ordinary charging when lithium cell group is in the temperature use more than zero degree, do not start the heating plate heating, when the temperature use below zero degree, begin to start the heating plate heating, the temperature is to presetting the charging temperature, open and charge, the outside parcel of group battery has epoxy thermal-insulated cotton that keeps warm simultaneously, carry out temperature protection, guarantee promptly that heating temperature can not give off very fast, also can keep better energy collection in low temperature area, the whole practicality is strong, great market spreading value has.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A lithium battery system used in a low-temperature environment is characterized in that: it contains aluminium box (1), lithium cell group (2), heating plate (3), solar control ware (4), BMS battery management module (5), epoxy board (6), the appearance of aluminium box (1) is square structure, install epoxy board (6) in aluminium box (1), be provided with lithium cell group (2) on epoxy board (6), solar control ware (4), BMS battery management module (5), install heating plate (3) on lithium cell group (2), be provided with positive terminal (31) and negative terminal (32) on heating plate (3), positive terminal (31) are connected with BMS battery management module (5) through the wire with negative terminal (32), BMS battery management module (5) respectively with lithium cell group (2), solar control ware (4) electric connection.
2. The lithium battery system for use in a low temperature environment of claim 1, wherein: the left side of aluminium box (1) be provided with left end cover (11), the right side is provided with right-hand member lid (12), waterproof circle (13) are all installed to the inboard that left end cover (11) and right-hand member lid (12) are close to aluminium box (1), be connected with on solar control ware (4) water joint input (41), be connected with on BMS battery management module (5) water joint output (42), water joint input (41) and water joint output (42) all pass right-hand member lid (12).
3. The lithium battery system for use in a low temperature environment of claim 1, wherein: the lithium battery pack (2) is formed by arranging a plurality of lithium battery arrays, and the lithium batteries are connected through conducting strips (51).
4. The lithium battery system for use in a low temperature environment of claim 1, wherein: and epoxy heat-preservation and heat-insulation cotton is arranged outside the lithium battery pack (2).
5. The lithium battery system for use in a low temperature environment of claim 2, wherein: the left end cover (11) and the right end cover (12) are fixedly connected with the aluminum box (1) through fastening screws.
6. The lithium battery system for use in a low temperature environment of claim 2, wherein: the solar energy controller is characterized in that an indicator lamp (14) is arranged on the right end cover (12), and the indicator lamp (14) is electrically connected with the solar energy controller (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121241930.8U CN215070097U (en) | 2021-06-04 | 2021-06-04 | Lithium battery system used in low-temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121241930.8U CN215070097U (en) | 2021-06-04 | 2021-06-04 | Lithium battery system used in low-temperature environment |
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| Publication Number | Publication Date |
|---|---|
| CN215070097U true CN215070097U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121241930.8U Active CN215070097U (en) | 2021-06-04 | 2021-06-04 | Lithium battery system used in low-temperature environment |
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| CN (1) | CN215070097U (en) |
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2021
- 2021-06-04 CN CN202121241930.8U patent/CN215070097U/en active Active
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