CN214753917U - Heating loop of power storage battery pack - Google Patents
Heating loop of power storage battery pack Download PDFInfo
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- CN214753917U CN214753917U CN202120497169.8U CN202120497169U CN214753917U CN 214753917 U CN214753917 U CN 214753917U CN 202120497169 U CN202120497169 U CN 202120497169U CN 214753917 U CN214753917 U CN 214753917U
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- heating
- contactor
- battery box
- main loop
- charging
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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 utility model relates to a power storage battery heating circuit, including main loop switch, battery box, heating film, battery box heating contactor, the positive contactor of heating, heating negative contactor, the positive contactor of charging and the negative contactor of charging, a plurality of battery box with insert the main loop after the main loop switch is established ties, a plurality of be provided with temperature sensor in the battery box respectively, a plurality of be provided with respectively in the battery box the heating film, after the heating film connects in parallel with the positive contactor of heating and the negative contactor of heating establish ties and insert the main loop, the positive contactor of charging with the negative contactor of charging inserts the main loop respectively, battery box heating contactor can independently control the break-make of every battery box heating, can heat as required to the battery box; can clear away the heating cabinet monomer difference in temperature, practice thrift heating energy, solve the problem that can't start because of the big heating of difference in temperature.
Description
Technical Field
The utility model relates to a battery technical field especially relates to a power storage battery heating circuit.
Background
In a low temperature environment, the energy and power of the power storage battery are reduced, and the driving range and the dynamic performance of the vehicle are degraded. Therefore, the power storage battery needs to be heated, the temperature of the battery is increased, and the charging and discharging performance and the safety of the battery in a low-temperature environment are ensured. The heating system has the function of rapidly heating all monomer temperatures in the battery system to specific temperatures, and requires that the temperature difference between the monomers is not too large, the too large temperature difference can lead to poor monomer consistency, and further influences the service life of the power battery, the heating loop of the conventional power storage battery pack is a series loop, all power battery boxes must be uniformly opened or closed with heating functions, in a low-temperature environment, a large number of battery boxes are arranged, scattered commercial vehicles are arranged, the temperature difference between the battery boxes can be caused to be too large due to the influence of an external flow field of the vehicle, the phenomenon that the heating cannot be started is inevitable, a parallel heating loop is needed at present, the heating can be independently opened or closed according to the temperature condition of each battery box, the battery boxes can be heated as required, the temperature difference between the monomers can be eliminated, the heating energy is saved, and the problem that the battery boxes cannot be started due to the large temperature difference is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a power storage battery heating circuit to prior art's not enough, thereby the temperature condition of having solved every battery box of prior art can't independently open or close the heating, heats the battery box as required, eliminates the inter-box monomer difference in temperature, practices thrift heating energy, solves the problem that can't start because of the difference in temperature heats greatly.
The utility model discloses an adopt following technical scheme to realize:
the utility model provides a power storage battery heating circuit, includes main loop switch, battery box, heating film, battery box heating contactor, the positive contactor of heating, heating negative contactor, charges and inserts the main loop after the main loop switch is established ties, and is a plurality of the battery box with the main loop switch is established ties, and is a plurality of be provided with temperature sensor in the battery box respectively, and is a plurality of be provided with respectively in the battery box the heating film, after the heating film is parallelly connected with the positive contactor of heating with the heating negative contactor is established ties and is inserted the main loop, charge positive contactor with the negative contactor that charges inserts the main loop respectively.
Preferably, each of the heating membranes is connected in series with the battery box heating contactor.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the parallel heating loop can independently control the on-off of the heating of each battery box, and heats the battery boxes as required; the problem of the monomer difference in temperature between the case, heating energy is practiced thrift, heating can't start because of the difference in temperature is big is solved.
Drawings
The utility model is further described with the following figures:
fig. 1 is a circuit diagram of the heating circuit of the power storage battery pack of the present invention.
Description of the reference numerals
1. A battery box; 2. a battery box heating contactor; 3. heating the positive contactor; 4. heating the negative contactor; 5. a charging positive contact; 6. a charging negative contactor; 7. a temperature sensor; 8. heating the film; 9. a main circuit switch.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
as shown in fig. 1: the utility model provides a power storage battery heating circuit, includes main loop switch 9, battery box 1, heating film 8, battery box heating contactor 2, the positive contactor of heating 3, heating negative contactor 4, the positive contactor of charging 5 and the negative contactor of charging 6, and is a plurality of battery box 1 with insert the main loop after main loop switch 9 establishes ties, and is a plurality of be provided with respectively in the battery box 1 heating film 8, after 8 parallelly connected heating film with the positive contactor of heating 3 with the negative contactor of heating 4 establishes ties and inserts the main loop, charge positive contactor 5 with the negative contactor of charging 6 inserts the main loop respectively, be provided with temperature sensor 7 in the battery box 1, every heating film 8 establishes ties and has battery box heating contactor 2.
When charging, open major loop switch 9, it is right to charge positive contactor 5 and the switch-on of charging negative contactor 6 battery box 1 charges, 1 in the battery box temperature sensor 7 real-time supervision 1 temperature in the battery box, when the temperature is less than the specified value, at first heat positive contactor 3 with heat negative contactor 4 switch-on, the temperature is less than the specified value afterwards battery box 1 battery box heating contactor 2 switch-on, it is right battery box 1 heats, when battery box 1 temperature is higher than the specified value, battery box heating contactor 2 disconnection, after charging the heating positive contactor 3 with heat negative contactor 4 disconnection, charge positive contactor 5 and the switch-off of charging negative contactor 6.
When discharging, open major loop switch 9, in the battery box 1 temperature sensor 7 real-time supervision in the battery box 1, when the temperature is less than the specified value, at first the positive contactor of heating 3 with heating negative contactor 4 switches on, the temperature is less than the specified value afterwards battery box 1 battery box heating contactor 2 switches on, right battery box 1 heats, when battery box 1 temperature is higher than the specified value, battery box heating contactor 2 cuts off.
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 embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (2)
1. A power battery pack heating circuit, characterized by: including main loop switch, battery box, heating film, battery box heating contactor, the positive contactor of heating, heating negative contactor, the positive contactor of charging and the negative contactor of charging, it is a plurality of the battery box with insert the main loop after the main loop switch is established ties, it is a plurality of be provided with temperature sensor in the battery box respectively, it is a plurality of be provided with in the battery box respectively the heating film, after the heating film is parallelly connected with the heating positive contactor with the heating negative contactor is established ties and is inserted the main loop, charge positive contactor with the negative contactor of charging inserts the main loop respectively.
2. The power pack heating circuit of claim 1, wherein each said heating membrane is connected in series with said battery box heating contactor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120497169.8U CN214753917U (en) | 2021-03-09 | 2021-03-09 | Heating loop of power storage battery pack |
Applications Claiming Priority (1)
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CN202120497169.8U CN214753917U (en) | 2021-03-09 | 2021-03-09 | Heating loop of power storage battery pack |
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CN214753917U true CN214753917U (en) | 2021-11-16 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114388910A (en) * | 2022-03-24 | 2022-04-22 | 北京理工大学 | Independent double-loop power battery system and partitioned heating method |
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2021
- 2021-03-09 CN CN202120497169.8U patent/CN214753917U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114388910A (en) * | 2022-03-24 | 2022-04-22 | 北京理工大学 | Independent double-loop power battery system and partitioned heating method |
CN114388910B (en) * | 2022-03-24 | 2022-05-20 | 北京理工大学 | Independent double-loop power battery system and partitioned heating method |
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