CN109659639B - Lithium battery charging and discharging heat preservation device and method - Google Patents
Lithium battery charging and discharging heat preservation device and method Download PDFInfo
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- CN109659639B CN109659639B CN201811595416.7A CN201811595416A CN109659639B CN 109659639 B CN109659639 B CN 109659639B CN 201811595416 A CN201811595416 A CN 201811595416A CN 109659639 B CN109659639 B CN 109659639B
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 126
- 238000007599 discharging Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000004321 preservation Methods 0.000 title claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 53
- 238000005485 electric heating Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 6
- 229910052753 mercury Inorganic materials 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 5
- 230000007613 environmental effect Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material 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
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H02J7/0091—
-
- 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)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Power Engineering (AREA)
Abstract
The invention discloses a lithium battery charging and discharging heat preservation device and a lithium battery charging and discharging heat preservation method, wherein the lithium battery charging and discharging heat preservation device comprises a rectangular shell, a lithium battery accommodating shell arranged in the rectangular shell, a heating cavity arranged between the bottom of the lithium battery accommodating shell and the rectangular shell, and an electric heating disc arranged in the heating cavity; a gap is arranged between the lithium battery accommodating shell and the rectangular shell; the upper part of the heating cavity is communicated with the lithium battery accommodating shell, a plurality of lateral openings are arranged on the heating cavity, and a plurality of vent holes are arranged on the side wall of the lithium battery accommodating shell; the invention has the characteristic of effectively improving the charge and discharge performance of the lithium battery.
Description
Technical Field
The invention relates to the technical field of lithium battery storage equipment, in particular to a lithium battery charging and discharging heat preservation device and method capable of effectively improving the charging and discharging performance of a lithium battery under the condition of low ambient temperature.
Background
In order to effectively charge the lithium battery, the environmental temperature range is between 15 ℃ and 45 ℃, the charging efficiency generally increases along with the increase of the temperature, but when the temperature is increased to more than 45 ℃, the performance of the lithium battery material for charging at high temperature is degraded, and the cycle life of the lithium battery is greatly shortened;
if the temperature drops, the reaction rate of the electrodes also drops, and if the cell voltage remains constant, the discharge current decreases, and the power output of the cell also drops. The electric power storage and discharge capacity of the lithium battery in winter is seriously reduced, and the traveling of people is seriously influenced.
Disclosure of Invention
The invention aims to overcome the defects that the storage and discharge capacity of a lithium battery in winter is seriously reduced and people are seriously influenced in traveling in the prior art, and provides a lithium battery charging and discharging heat preservation device and a lithium battery charging and discharging heat preservation method which can effectively improve the charging and discharging performance of the lithium battery under the condition of low environmental temperature.
In order to achieve the purpose, the invention adopts the following technical scheme:
a lithium battery charging and discharging heat preservation device comprises a rectangular shell, a lithium battery accommodating shell arranged in the rectangular shell, a heating cavity arranged between the bottom of the lithium battery accommodating shell and the rectangular shell, and an electric heating disc arranged in the heating cavity; a gap is arranged between the lithium battery accommodating shell and the rectangular shell; the upper part of the heating cavity is communicated with the lithium battery accommodating shell, a plurality of lateral openings are arranged on the heating cavity, and a plurality of vent holes are arranged on the side wall of the lithium battery accommodating shell; electric heating plate is connected with the controller, is equipped with temperature-detecting mechanism in the lithium cell holds the casing, and rectangle casing includes interior casing and shell body, connects through a plurality of connecting piece between interior casing and the shell body, and interior casing and shell body all adopt insulation material to make, evacuation between interior casing and the shell body.
The temperature detection mechanism detects the temperature in the lithium battery accommodating shell, and in the charging control process, when the temperature in the lithium battery accommodating shell is lower than L1, the electric heating plate is controlled to automatically heat, so that the lithium battery is always kept within the range of 15-45 ℃ in the charging process, the power storage capacity of the lithium battery is kept normal, and normal charging is ensured;
during the discharging control process, when the temperature in the lithium battery accommodating shell is lower than L2, the controller controls the electric heating plate to heat; therefore, the lithium battery can normally discharge in the discharging process, the electric energy can be smoothly discharged, and the cruising ability of the lithium battery is ensured.
Therefore, under the condition of low environmental temperature, the lithium battery charging and discharging performance can be effectively improved, the service life of the lithium battery is prolonged, the trip cost is reduced, and convenience is brought to people.
Preferably, the temperature-detecting mechanism is including the container that contains mercury, be equipped with the float in the container, the connecting rod of being connected with the float stretches out outside the lithium cell holds the casing, be equipped with the sealing washer between connecting rod and the lithium cell holds the casing, the connecting rod is articulated with lever one end, the lever other end is equipped with the contact stick, the contact stick top is equipped with touch sensor, be equipped with speedtransmitter on the rectangular shell, the power cord of being connected with the lithium cell stretches out outside lithium cell holds casing and the rectangular shell, be equipped with current transformer on the power cord, the controller respectively with touch sensor, speedtransmitter and current transformer electricity are connected, the controller is connected.
As preferred, the heating cavity of electric heating plate top holds the casing through heat conduction dish and lithium cell and is connected, and heat conduction dish is circular, is equipped with the baffle that is the heliciform and extends on the heat conduction dish, is equipped with the first through-hole of a plurality of on the heat conduction dish.
The arrangement of the heat conducting disc improves the diffusion speed of hot air.
Preferably, the inner side wall of the lithium battery accommodating shell is provided with a gas guide groove which rises spirally, the gas guide groove is connected with the partition plate, the upper part of the lithium battery accommodating shell is provided with a return pipe, and the return pipe is connected with the heating cavity.
The arrangement of the gas guide groove further accelerates the diffusion of the hot air.
Preferably, the device also comprises a rectangular base, a rectangular groove arranged on the base and a strip-shaped plate arranged in the rectangular groove; the rectangular groove below the strip-shaped plate is filled with water, the upper surface of the strip-shaped plate is provided with a rectangular frame which is used for being connected with the rectangular shell in a matching way, and the edge of the strip-shaped plate is connected with the upper part of the rectangular groove in a sealing way through an annular plastic connecting piece.
The base can reduce the vibration caused by the fluctuation of the road, so that the temperature detection structure of the invention can work more stably, and the precision of heating control is improved.
A method for a lithium battery charging and discharging heat preservation device comprises the following steps:
when the temperature is changed, the mercury in the container expands with heat and contracts with cold;
(6-1) Charge control Process
When the temperature in the lithium battery accommodating shell is lower than L1, the contact bar is in contact with the touch sensor, the controller receives a contact signal detected by the touch sensor, and after the current transformer detects a current signal, the controller controls the electric heating plate to heat, and after the heating time of the electric heating plate is T1, the heating is stopped;
(6-2) discharge control Process
The speed sensor detects the moving speed of the rectangular shell, when the temperature in the lithium battery accommodating shell is lower than L1, the contact rod is in contact with the touch sensor, the controller receives a contact signal detected by the touch sensor, and when the moving speed of the rectangular shell is larger than or equal to 10km/h, the controller controls the heating time T2 of the heating plate and then stops heating.
The temperature in the lithium battery accommodating shell is kept only in the charging and discharging processes, so that the electric energy waste caused by the temperature maintenance in the lithium battery accommodating shell is effectively avoided, when the moving speed of the rectangular shell is low, the electric vehicle can be pushed to move manually, automatic heating is not needed at the moment, and only when the moving speed of the rectangular shell is more than or equal to 10km/h, the controller controls the electric heating plate to stop heating.
Preferably, the heating cavity above the electric heating plate is connected with the lithium battery accommodating shell through a heat conducting plate, the heat conducting plate is circular, a partition plate extending in a spiral shape is arranged on the heat conducting plate, and a plurality of first through holes are formed in the heat conducting plate;
also comprises the following steps: electric heating plate will heat the air heating in the cavity, and the baffle props up the lithium cell, and during hot-air got into lithium cell and holds the casing through each first through-hole, hot-air lithium cell bottom evenly distributed on heat conduction dish under the water conservancy diversion effect of baffle, hot-air got into lithium cell and holds the casing through each air vent simultaneously, heated the lithium cell.
Preferably, the inner side wall of the lithium battery accommodating shell is provided with a gas guide groove which rises spirally, and the gas guide groove is connected with the partition plate; the upper part of the lithium battery accommodating shell is provided with a return pipe, and the return pipe is connected with the heating cavity; also comprises the following steps;
the gas guide groove guides hot air to the upper part of the lithium battery accommodating shell to heat the lithium battery, and the return pipe guides the air after heat release back to the heating cavity.
Preferably, the device also comprises a rectangular base, a rectangular groove arranged on the base and a strip-shaped plate arranged in the rectangular groove; the rectangular groove below the strip-shaped plate is filled with water, a rectangular frame used for being matched and connected with the rectangular shell is arranged on the upper surface of the strip-shaped plate, and the edge of the strip-shaped plate is hermetically connected with the upper part of the rectangular groove through an annular plastic connecting sheet; also comprises the following steps:
the lower part of the rectangular shell is provided with an annular extending edge, the annular extending edge is provided with 4 mounting holes, the rectangular frame is provided with 4 mounting holes, the rectangular shell is fixedly connected with the rectangular frame by utilizing 4 bolts, and when the rectangular shell goes up a slope, water automatically moves to the rear part of the rectangular groove; when the water moves downwards, the water automatically moves towards the front part of the rectangular groove; therefore, the rectangular plate is always kept horizontal, the rectangular shell is always kept in a vertical state, and vibration of the lithium battery caused by road change is reduced.
Therefore, the invention has the following beneficial effects: under the condition of lower ambient temperature, the lithium battery charging and discharging performance can be effectively improved, the service life of the lithium battery is prolonged, the trip cost is reduced, and convenience is brought to people.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a partial cross-sectional view of the container, lever and contact bar of the present invention;
FIG. 3 is a schematic view of a configuration of the upper surface of the thermally conductive disk of the present invention;
FIG. 4 is a cross-sectional view of the base of the present invention;
fig. 5 is a functional block diagram of the present invention.
In the figure: rectangular casing 1, lithium cell accommodate casing 2, heating cavity 3, electric heating plate 4, temperature-detecting mechanism 5, container 6, controller 7, touch sensor 8, speed sensor 10, current transformer 11, base 12, heat conduction dish 31, baffle 32, first through-hole 33, float 61, connecting rod 62, sealing washer 63, lever 64, contact bar 65, interior casing 101, shell body 102, connecting piece 103, rectangle recess 121, bar 122, rectangle frame 1221.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
Example 1
The embodiment shown in fig. 1 and 5 is a lithium battery charging and discharging heat preservation device, which comprises a rectangular shell 1, a lithium battery accommodating shell 2 arranged in the rectangular shell, a heating cavity 3 arranged between the bottom of the lithium battery accommodating shell and the rectangular shell, and an electric heating plate 4 arranged in the heating cavity; a gap is arranged between the lithium battery accommodating shell and the rectangular shell; the upper part of the heating cavity is communicated with the lithium battery accommodating shell, a plurality of lateral openings are arranged on the heating cavity, and a plurality of vent holes are arranged on the side wall of the lithium battery accommodating shell; electric heating plate is connected with controller 7, is equipped with temperature-detecting mechanism 5 in the lithium cell holds the casing, and rectangle casing includes interior casing 101 and shell body 102, connects through a plurality of connecting pieces 103 between interior casing and the shell body, and interior casing and shell body all adopt insulation material to make, evacuation between interior casing and the shell body.
As shown in fig. 2, the temperature detection mechanism includes container 6 containing mercury, be equipped with float 61 in the container, connecting rod 62 connected with the float stretches out outside lithium cell container shell, be equipped with sealing washer 63 between connecting rod and the lithium cell container shell, the connecting rod is articulated with lever 64 one end, the lever other end is equipped with contact stick 65, contact stick top is equipped with touch sensor 8, be equipped with speed sensor 10 on the rectangular shell, the power cord of being connected with the lithium cell stretches out outside lithium cell container shell and the rectangular shell, be equipped with current transformer 11 on the power cord, as shown in fig. 5, the controller respectively with touch sensor, speed sensor and current transformer are electrically connected, the controller is electrically connected with the lithium cell.
A method for a lithium battery charging and discharging heat preservation device comprises the following steps:
when the temperature is changed, the mercury in the container expands with heat and contracts with cold;
(6-1) Charge control Process
When the temperature in the lithium battery accommodating shell is lower than 15 ℃, the contact bar is in contact with the touch sensor, the controller receives a contact signal detected by the touch sensor, and after the current transformer detects a current signal, the controller controls the electric heating plate to heat, and after the electric heating plate heats for 10 minutes, the heating is stopped;
when the temperature in the lithium battery accommodating shell is lower than 15 ℃ again and the current transformer detects a current signal, the controller controls the electric heating plate to heat for 10 minutes again, and then heating is stopped;
(6-2) discharge control Process
The speed sensor detects the moving speed of the rectangular shell, when the temperature in the lithium battery accommodating shell is lower than 15 ℃, the contact bar is in contact with the touch sensor, the controller receives a contact signal detected by the touch sensor, and when the moving speed of the rectangular shell is more than or equal to 10km/h, the controller controls the heating disc to be heated for 5 minutes and then stops heating;
when the temperature in the lithium battery accommodating shell is lower than 15 ℃ again and the moving speed of the rectangular shell is more than or equal to 10km/h, the heating time of the heating plate is controlled by the controller for 5 minutes, and then the heating is stopped.
Example 2
Embodiment 2 includes all the structures and methods of embodiment 1, and as shown in fig. 3, the heating cavity above the electric heating plate of embodiment 2 is connected to the lithium battery housing case through a heat conducting plate 31, the heat conducting plate is circular, a partition plate 32 extending in a spiral shape is disposed on the heat conducting plate, and a plurality of first through holes 33 are disposed on the heat conducting plate.
Also comprises the following steps: electric heating plate will heat the air heating in the cavity, and the baffle props up the lithium cell, and during hot-air got into lithium cell and holds the casing through each first through-hole, hot-air lithium cell bottom evenly distributed on heat conduction dish under the water conservancy diversion effect of baffle, hot-air got into lithium cell and holds the casing through each air vent simultaneously, heated the lithium cell.
Example 3
Also comprises the following steps;
the gas guide groove guides hot air to the upper part of the lithium battery accommodating shell to heat the lithium battery, and the return pipe guides the air after heat release back to the heating cavity.
Example 4
The lower part of the rectangular shell is provided with an annular extending edge, the annular extending edge is provided with 4 mounting holes, the rectangular frame is provided with 4 mounting holes, the rectangular shell is fixedly connected with the rectangular frame by utilizing 4 bolts, and when the rectangular shell goes up a slope, water automatically moves to the rear part of the rectangular groove; when the water moves downwards, the water automatically moves towards the front part of the rectangular groove; therefore, the rectangular plate is always kept horizontal, the rectangular shell is always kept in a vertical state, and vibration of the lithium battery caused by road change is reduced.
It should be understood that this example is for illustrative purposes only and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (8)
1. A lithium battery charging and discharging heat preservation device is characterized by comprising a rectangular shell (1), a lithium battery accommodating shell (2) arranged in the rectangular shell, a heating cavity (3) arranged between the bottom of the lithium battery accommodating shell and the rectangular shell, and an electric heating plate (4) arranged in the heating cavity; a gap is arranged between the lithium battery accommodating shell and the rectangular shell; the upper part of the heating cavity is communicated with the lithium battery accommodating shell, a plurality of lateral openings are arranged on the heating cavity, and a plurality of vent holes are arranged on the side wall of the lithium battery accommodating shell; the electric heating plate is connected with a controller (7), a temperature detection mechanism (5) is arranged in the lithium battery accommodating shell, the rectangular shell comprises an inner shell (101) and an outer shell (102), the inner shell and the outer shell are connected through a plurality of connecting pieces (103), the inner shell and the outer shell are both made of heat insulation materials, and the inner shell and the outer shell are vacuumized; the device also comprises a rectangular base (12), a rectangular groove (121) arranged on the base and a strip-shaped plate (122) arranged in the rectangular groove; the rectangular groove below the strip-shaped plate is filled with water, the upper surface of the strip-shaped plate is provided with a rectangular frame (1221) which is used for being connected with the rectangular shell in a matching way, and the edge of the strip-shaped plate is connected with the upper part of the rectangular groove in a sealing way through an annular plastic connecting sheet.
2. The lithium battery charging and discharging heat preservation device as claimed in claim 1, wherein the temperature detection mechanism comprises a container (6) containing mercury, a floater (61) is arranged in the container, a connecting rod (62) connected with the floater extends out of the lithium battery accommodating shell, a sealing ring (63) is arranged between the connecting rod and the lithium battery accommodating shell, the connecting rod is hinged with one end of a lever (64), a contact rod (65) is arranged at the other end of the lever, a touch sensor (8) is arranged above the contact rod, a speed sensor (10) is arranged on the rectangular shell, a power line connected with the lithium battery extends out of the lithium battery accommodating shell and the rectangular shell, a current transformer (11) is arranged on the power line, the controller is respectively electrically connected with the touch sensor, the speed sensor.
3. The lithium battery charging and discharging insulation device according to claim 1, wherein the heating chamber above the electric heating plate is connected to the lithium battery housing through a heat conducting plate (31), the heat conducting plate is circular, the heat conducting plate is provided with a partition plate (32) extending in a spiral shape, and the heat conducting plate is provided with a plurality of first through holes (33).
4. The lithium battery charging and discharging thermal insulation device as claimed in claim 3, wherein the inner sidewall of the lithium battery accommodating case is provided with a gas guide groove which rises spirally, the gas guide groove is connected with the partition plate, the upper part of the lithium battery accommodating case is provided with a return pipe, and the return pipe is connected with the heating cavity.
5. The heat preservation method of the lithium battery charging and discharging heat preservation device based on the claim 2 is characterized by comprising the following steps:
when the temperature is changed, the mercury in the container expands with heat and contracts with cold;
(5-1) Charge control Process
When the temperature in the lithium battery accommodating shell is lower than L1, the contact bar is in contact with the touch sensor, the controller receives a contact signal detected by the touch sensor, and after the current transformer detects a current signal, the controller controls the electric heating plate to heat, and after the heating time of the electric heating plate is T1, the heating is stopped;
(5-2) discharge control Process
The speed sensor detects the moving speed of the rectangular shell, when the temperature in the lithium battery accommodating shell is lower than L1, the contact rod is in contact with the touch sensor, the controller receives a contact signal detected by the touch sensor, and when the moving speed of the rectangular shell is larger than or equal to 10km/h, the controller controls the heating time T2 of the heating plate and then stops heating.
6. The method for maintaining the temperature of a lithium battery charging and discharging thermal insulation device according to claim 5, wherein the heating cavity above the electric heating plate is connected to the lithium battery accommodating case through a heat conducting plate, the heat conducting plate is circular, a partition plate extending in a spiral shape is arranged on the heat conducting plate, and a plurality of first through holes are arranged on the heat conducting plate; the method is characterized by further comprising the following steps:
electric heating plate will heat the air heating in the cavity, and the baffle props up the lithium cell, and during hot-air got into lithium cell and holds the casing through each first through-hole, hot-air lithium cell bottom evenly distributed on heat conduction dish under the water conservancy diversion effect of baffle, hot-air got into lithium cell and holds the casing through each air vent simultaneously, heated the lithium cell.
7. The method for maintaining the temperature of a lithium battery during charging and discharging according to claim 6, wherein the inner sidewall of the lithium battery receiving case is provided with a gas guide groove which rises spirally and is connected to the partition; the upper part of the lithium battery accommodating shell is provided with a return pipe, and the return pipe is connected with the heating cavity; it is characterized by also comprising the following steps;
the gas guide groove guides hot air to the upper part of the lithium battery accommodating shell to heat the lithium battery, and the return pipe guides the air after heat release back to the heating cavity.
8. The insulation method for a lithium battery charging and discharging insulation device according to claim 5, further comprising the steps of:
the lower part of the rectangular shell is provided with an annular extending edge, the annular extending edge is provided with 4 mounting holes, the rectangular frame is provided with 4 mounting holes, the rectangular shell is fixedly connected with the rectangular frame by utilizing 4 bolts, and when the rectangular shell goes up a slope, water automatically moves to the rear part of the rectangular groove; when the water moves downwards, the water automatically moves towards the front part of the rectangular groove; therefore, the rectangular plate is always kept horizontal, the rectangular shell is always kept in a vertical state, and vibration of the lithium battery caused by road change is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811595416.7A CN109659639B (en) | 2018-12-25 | 2018-12-25 | Lithium battery charging and discharging heat preservation device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811595416.7A CN109659639B (en) | 2018-12-25 | 2018-12-25 | Lithium battery charging and discharging heat preservation device and method |
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| Publication Number | Publication Date |
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| CN109659639A CN109659639A (en) | 2019-04-19 |
| CN109659639B true CN109659639B (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202205822U (en) * | 2011-09-19 | 2012-04-25 | 天津市三枪电动车有限公司 | Battery casing of storage battery |
| CN202434666U (en) * | 2011-12-06 | 2012-09-12 | 吉林省高新电动汽车有限公司 | Battery box with electric vehicle |
| CN106323038A (en) * | 2015-06-19 | 2017-01-11 | 中国科学院物理研究所 | Heat exchanger |
| CN206313098U (en) * | 2016-12-08 | 2017-07-07 | 天津宝坻紫荆科技有限公司 | A kind of lithium battery attemperator at low temperature |
| CN109037816A (en) * | 2018-07-28 | 2018-12-18 | 杭州林迪德瑞科技有限公司 | Lead acid battery charge protection device and method |
-
2018
- 2018-12-25 CN CN201811595416.7A patent/CN109659639B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202205822U (en) * | 2011-09-19 | 2012-04-25 | 天津市三枪电动车有限公司 | Battery casing of storage battery |
| CN202434666U (en) * | 2011-12-06 | 2012-09-12 | 吉林省高新电动汽车有限公司 | Battery box with electric vehicle |
| CN106323038A (en) * | 2015-06-19 | 2017-01-11 | 中国科学院物理研究所 | Heat exchanger |
| CN206313098U (en) * | 2016-12-08 | 2017-07-07 | 天津宝坻紫荆科技有限公司 | A kind of lithium battery attemperator at low temperature |
| CN109037816A (en) * | 2018-07-28 | 2018-12-18 | 杭州林迪德瑞科技有限公司 | Lead acid battery charge protection device and method |
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|---|---|
| CN109659639A (en) | 2019-04-19 |
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