CN211295194U - Low-temperature charging equipment for lithium battery - Google Patents
Low-temperature charging equipment for lithium battery Download PDFInfo
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- CN211295194U CN211295194U CN201922382642.3U CN201922382642U CN211295194U CN 211295194 U CN211295194 U CN 211295194U CN 201922382642 U CN201922382642 U CN 201922382642U CN 211295194 U CN211295194 U CN 211295194U
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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 lithium cell low temperature battery charging outfit, include: the battery compartment is vertically embedded into the top of the shell, a cover plate is arranged at the top of the battery compartment, and electrode plate groups are correspondingly arranged on the inner side of the cover plate and the inner top of the battery compartment; the heat conduction oil is filled in the shell, an electric heating wire for heating the heat conduction oil is sleeved on the outer side of the battery compartment in the shell, and a temperature sensor for detecting the temperature of the heat conduction oil is arranged in the shell; the utility model heats the environment around the lithium ion battery through the electric heating wire, ensures that the lithium ion battery is charged under the proper temperature environment, and ensures the normal service life of the lithium ion battery; the lithium ion battery is sealed in the battery compartment during charging, so that the temperature of the lithium ion battery is reduced to be dissipated to the outside in a low-temperature environment.
Description
Technical Field
The utility model belongs to the technical field of battery charging outfit, concretely relates to lithium cell low temperature battery charging outfit.
Background
When a lithium ion battery is charged at a low temperature, lithium ion intercalation and lithium plating reactions on a graphite electrode of the battery exist at the same time and compete with each other, diffusion of lithium ions in graphite is inhibited under a low temperature condition, the conductivity of an electrolyte is reduced, so that the intercalation rate is reduced and the lithium plating reaction is more easily generated on the graphite surface, and the reduction of the service life of the lithium ion battery during the use at a low temperature is mainly caused by the increase of internal impedance and the capacity attenuation due to the precipitation of lithium ions. The working temperature of the conventional lithium battery is-20-60 ℃, but generally below 0 ℃, the performance of the lithium battery is reduced, the discharge capacity is correspondingly reduced, and therefore the working temperature of the lithium battery with complete performance is 0-40 ℃.
The existing lithium ion battery charger, like the chinese utility model patent with application number cn201820558157.x, discloses a portable lithium battery charging seat, installs on the charging seat when lithium ion battery charges, and lithium ion battery leaks completely in the air, and lithium ion battery receives ambient temperature to influence greatly, when the outside temperature is less than 0 ℃, can cause its life to descend charging to lithium ion.
Therefore, a low-temperature lithium battery charging device is needed to solve the technical problems faced by the prior art.
Disclosure of Invention
To the not enough that exists among the prior art, the utility model provides a can heat lithium ion surrounding environment under low temperature environment, guarantee that lithium ion battery charges under suitable temperature environment, guarantee the normal life of lithium ion battery.
The technical scheme of the utility model is that: lithium battery low temperature charging equipment includes: the battery compartment is vertically embedded into the top of the shell, a cover plate is arranged at the top of the battery compartment, and electrode plate groups are correspondingly arranged on the inner side of the cover plate and the inner top of the battery compartment; the heating device comprises a shell, and is characterized in that heat conduction oil is filled in the shell, an electric heating wire for heating the heat conduction oil is sleeved on the outer side of a battery compartment in the shell, and a temperature sensor for detecting the temperature of the heat conduction oil is arranged in the shell.
The battery compartment is characterized in that a partition plate is arranged at the lower part of the battery compartment inside the shell, and a detachable bottom cover is arranged at the bottom of the shell.
The periphery of the bottom cover is provided with an edge matched with the bottom of the shell, and the edge is provided with a fixing bolt.
The battery compartment is of a cylindrical cavity structure with an open top, and the top of the battery compartment and the top of the shell are connected into an integral structure.
The cover plate is provided with a main plate body, one side of the main plate body is hinged to the top of the shell, the other side of the main plate body is provided with a clamping jaw, a clamping block is arranged on the inner side of the clamping jaw, and a clamping groove matched with the clamping block is formed in one side of the shell.
The electrode plate group is provided with a negative electrode contact piece arranged at the bottom in the battery bin and a positive electrode contact piece arranged at the bottom of the cover plate.
The bottom of the cover plate is provided with a boss matched with the opening at the top of the battery bin, and the positive contact piece is arranged at the bottom of the boss.
The utility model has the advantages that:
(1) the utility model heats the environment around the lithium ion battery through the electric heating wire, ensures that the lithium ion battery is charged under the proper temperature environment, and ensures the normal service life of the lithium ion battery;
(2) the lithium ion battery is sealed in the battery compartment during charging, so that the temperature of the lithium ion battery is reduced to be dissipated to the outside in a low-temperature environment.
Drawings
Fig. 1 is one of the external structural diagrams of the present invention.
Fig. 2 is a second external structural diagram of the present invention.
Fig. 3 is a cross-sectional view taken at a-a in fig. 2.
Fig. 4 is a schematic structural diagram of the middle cover plate of the present invention.
Detailed Description
The following describes the embodiments of the present invention with reference to the drawings and examples.
As shown in fig. 1 to 3, a low temperature charging apparatus for a lithium battery includes: the lithium ion battery charging device comprises a shell 1, wherein the shell 1 is of a cavity structure, a battery bin 5 is used for placing a lithium ion battery to be charged, the battery bin 5 is vertically embedded into the top of the shell 1, a cover plate 3 is arranged at the top of the battery bin 5, the cover plate 3 can be closed or opened, electrode sheet groups are correspondingly arranged on the inner side of the cover plate 3 and the inner top of the battery bin 5, each electrode sheet group is provided with an anode contact piece and a cathode contact piece which are respectively matched with an anode and a cathode of the lithium ion battery, and a charging circuit charges the lithium ion battery through the anode contact piece and the cathode; the heat conduction oil 7 is filled in the shell 1, the heating wire 6 for heating the heat conduction oil 7 is sleeved on the outer side of the battery compartment 5 in the shell 1, the heating wire 6 is spirally wound on the outer side of the battery compartment 5, and the temperature sensor 8 for detecting the temperature of the heat conduction oil 7 is arranged in the shell 1; in the embodiment, the battery compartment 5 is immersed in the heat conducting oil 10, the temperature of the heat conducting oil 10 is the ambient temperature of the lithium ion battery during charging, the temperature of the heat conducting oil 10 is detected by the temperature sensor 8, if the temperature of the heat conducting oil 7 detected by the temperature sensor 8 is lower than a set value (for example, 0 ℃), the heating wire 6 is firstly switched on, so that the heating wire 6 heats the heat conducting oil 7, the electrode plate group is not switched on, and the heating wire 6 is switched off and the electrode plate group is switched on to charge the lithium ion battery until the temperature of the heat conducting oil 7 detected by the temperature sensor 8 exceeds the set value, so as to improve the heating effect of the lithium ion battery, the set; the above functions need to be realized by using a control chip and cooperating with a relay circuit, and the specific connection manner of the chip and the circuit is well known to those skilled in the art, and thus, the detailed description thereof is omitted.
A partition plate 4 is arranged at the lower part of a battery bin 5 in the shell 1, a detachable bottom cover 2 is arranged at the bottom of the shell 1, the partition plate 4 is horizontally arranged in the shell 1, the periphery of the partition plate 4 is connected with the inner side of the shell 1 into an integral structure, a closed cavity for containing heat conduction oil 7 is enclosed by the upper part of the partition plate 4 and the shell 1, an openable cavity is formed by the lower part of the partition plate 4 and the bottom cover 2, the openable cavity can be used for installing a circuit board provided with a control chip and a charging circuit, and the cover plate 2 can be detached, so that the maintenance of the circuit; specifically, the periphery of the bottom cover 2 is provided with an edge 201 matched with the bottom of the shell 1, the edge 201 is wrapped outside the bottom of the shell 1, the edge 201 is provided with a fixing bolt 202, and the fixing bolt 202 is connected with the shell 1 in a matched mode.
Battery compartment 5 is the open cylinder cavity structure in top, and battery compartment 5's top and casing 1's top link into an integrated entity structure, and battery compartment 5's bottom links into an integrated entity structure with baffle 4, and battery compartment 5 is good at the inside stability of casing 1.
As shown in fig. 4, the cover plate 3 has a main plate body 301, one side of the main plate body 301 is hinged to the top of the housing 1, the main plate body 301 can be hinged to the top of the housing 1 by a hinge 303, a clamping jaw 304 is disposed on the other side of the main plate body 301, a clamping block 305 is disposed on the inner side of the clamping jaw 304, a clamping groove (not shown in the figure) matched with the clamping block 305 is disposed on one side of the housing 1, when the top of the battery compartment 5 of the cover plate 3 is closed, the clamping block 305 is clamped into the clamping groove, so that the cover plate 3 is kept in a closed state, and when the cover plate is opened, the end of the clamping jaw.
The electrode plate group is provided with a negative electrode contact piece 9 arranged at the inner bottom of the battery compartment 5 and a positive electrode contact piece 10 arranged at the bottom of the cover plate 3, the negative electrode contact piece 9 is clamped at the inner bottom of the battery compartment 5, and the positive electrode contact piece 10 is adhered to the bottom of the main plate body 301.
The bottom of the cover plate 3 is provided with a boss 302 matched with the top opening of the battery compartment 5, when the cover plate 3 is closed, the boss 302 seals the top opening of the battery compartment 5, and the positive contact piece 10 is arranged at the bottom of the boss.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. A low-temperature charging device for a lithium battery, comprising:
a shell, wherein the shell is a cavity structure,
the battery bin is vertically embedded into the top of the shell, a cover plate is arranged on the top of the battery bin, and electrode plate groups are correspondingly arranged on the inner side of the cover plate and the inner top of the battery bin;
the heating device comprises a shell, and is characterized in that heat conduction oil is filled in the shell, an electric heating wire for heating the heat conduction oil is sleeved on the outer side of a battery compartment in the shell, and a temperature sensor for detecting the temperature of the heat conduction oil is arranged in the shell.
2. The low-temperature lithium battery charging apparatus according to claim 1, wherein: the battery compartment is characterized in that a partition plate is arranged at the lower part of the battery compartment inside the shell, and a detachable bottom cover is arranged at the bottom of the shell.
3. The low-temperature lithium battery charging apparatus according to claim 2, wherein: the periphery of the bottom cover is provided with an edge matched with the bottom of the shell, and the edge is provided with a fixing bolt.
4. The low-temperature lithium battery charging apparatus according to claim 1, wherein: the battery compartment is of a cylindrical cavity structure with an open top, and the top of the battery compartment and the top of the shell are connected into an integral structure.
5. The low-temperature lithium battery charging apparatus according to claim 1, wherein: the cover plate is provided with a main plate body, one side of the main plate body is hinged to the top of the shell, the other side of the main plate body is provided with a clamping jaw, a clamping block is arranged on the inner side of the clamping jaw, and a clamping groove matched with the clamping block is formed in one side of the shell.
6. The low-temperature lithium battery charging apparatus according to claim 1, wherein: the electrode plate group is provided with a negative electrode contact piece arranged at the bottom in the battery bin and a positive electrode contact piece arranged at the bottom of the cover plate.
7. The low-temperature lithium battery charging apparatus according to claim 6, wherein: the bottom of the cover plate is provided with a boss matched with the opening at the top of the battery bin, and the positive contact piece is arranged at the bottom of the boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922382642.3U CN211295194U (en) | 2019-12-26 | 2019-12-26 | Low-temperature charging equipment for lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922382642.3U CN211295194U (en) | 2019-12-26 | 2019-12-26 | Low-temperature charging equipment for lithium battery |
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| Publication Number | Publication Date |
|---|---|
| CN211295194U true CN211295194U (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922382642.3U Active CN211295194U (en) | 2019-12-26 | 2019-12-26 | Low-temperature charging equipment for lithium battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112039165A (en) * | 2020-09-10 | 2020-12-04 | 中国南方电网有限责任公司超高压输电公司大理局 | Low-temperature environment battery charging system |
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2019
- 2019-12-26 CN CN201922382642.3U patent/CN211295194U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112039165A (en) * | 2020-09-10 | 2020-12-04 | 中国南方电网有限责任公司超高压输电公司大理局 | Low-temperature environment battery charging system |
| CN112039165B (en) * | 2020-09-10 | 2022-03-01 | 中国南方电网有限责任公司超高压输电公司大理局 | Low-temperature environment battery charging system |
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