CN209860105U - Nitrogen cooling lithium cell group - Google Patents
Nitrogen cooling lithium cell group Download PDFInfo
- Publication number
- CN209860105U CN209860105U CN201920060293.0U CN201920060293U CN209860105U CN 209860105 U CN209860105 U CN 209860105U CN 201920060293 U CN201920060293 U CN 201920060293U CN 209860105 U CN209860105 U CN 209860105U
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- Prior art keywords
- lithium
- nitrogen
- group
- temperature sensor
- lithium cell
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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 nitrogen cooling heat dissipation lithium battery pack, the lithium battery pack comprises a bearing cavity and a battery box, the bearing cavity is arranged in the battery box, the bearing cavity is used for installing 6 groups of lithium batteries, the 6 groups of lithium batteries are arranged in two rows side by side, the nitrogen cooling device communicated with the interior of the lithium battery pack is also included, the nitrogen cooling device comprises a nitrogen tank, the nitrogen tank comprises an air inlet and an air outlet, the air inlet is positioned below the nitrogen tank, a circulating air pump is arranged at the inner side of the air inlet, the air outlet is positioned above the nitrogen tank, a semiconductor refrigerator is oppositely arranged at the air outlet, the air inlet and the air outlet are respectively connected with a gas transmission pipeline, the gas transmission pipeline is positioned in the lithium battery, the gas transmission pipeline is in a reversed mountain shape when viewed from top, a complete circulating structure is formed between the gas transmission pipeline and the nitrogen tank, an expansion valve is arranged on the outer side of the explosion-proof electromagnetic valve, and a first temperature sensor is arranged inside the nitrogen tank.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a nitrogen gas cooling lithium cell group.
Background
Lithium batteries are generally composed of a plurality of lithium batteries connected in series or in parallel to enhance the power supply performance of the lithium batteries. However, the plurality of batteries are powered on simultaneously, so that a heating phenomenon inevitably occurs, and particularly, in an environment with a high temperature, the heating phenomenon of the lithium battery pack is particularly serious, the batteries can be burnt excessively and even explode, so that serious potential safety hazards exist, and the service life of the batteries is influenced.
SUMMERY OF THE UTILITY MODEL
The lithium cell that exists generates heat for overcoming among the prior art and probably causes the overheated burning of battery or even explosion, has serious potential safety hazard, influences the life's of battery problem, the utility model provides a nitrogen gas cooling heat dissipation lithium cell group.
A nitrogen cooling heat dissipation lithium battery pack comprises a bearing cavity and a battery box, wherein the bearing cavity is installed inside the battery box and is used for installing 6 groups of lithium batteries, the 6 groups of lithium batteries are divided into two rows which are arranged side by side, the nitrogen cooling device communicated with the inside of the lithium battery pack comprises a nitrogen tank, the nitrogen tank comprises an air inlet and an air outlet, the air inlet is positioned below the nitrogen tank, a circulating air pump is installed on the inner side of the air inlet, the air outlet is positioned above the nitrogen tank, a semiconductor refrigerator is oppositely installed on the air outlet, the air inlet and the air outlet are respectively connected with a gas transmission pipeline, the gas transmission pipeline is positioned inside the lithium batteries when the gas transmission pipeline is overlooked, the gas transmission pipeline is of a reversed 'mountain' type, a complete circulating structure is formed between the gas transmission pipeline and the nitrogen tank, and an explosion-proof electromagnetic, an expansion valve is arranged on the outer side of the explosion-proof electromagnetic valve, and a first temperature sensor is arranged inside the nitrogen tank.
Further, in an embodiment of the present invention, the first temperature sensor is a laser temperature sensor.
Further, the utility model discloses an in an embodiment, 6 group's lithium cells include first group to sixth group lithium cell, first group lithium cell, second group lithium cell and third group lithium cell are located the first line, fourth group lithium cell, fifth group lithium cell and sixth group lithium cell and first group are located the second line to third group lithium cell symmetrical arrangement, every group lithium cell includes 6 sections lithium cells, 6 sections lithium cells are according to being divided into 2 lines 3 and are listed as the setting, adjacent lithium cell opposite direction is placed side by side, the positive negative pole of adjacent lithium cell passes through nickel strap series connection, every group lithium cell nickel strap is "the" oneself "style of calligraphy and arranges.
Further, the utility model discloses an in the embodiment, the battery case includes curb plate, top cap and bottom plate, the curb plate is fixed in the both sides of 6 lithium cell groups, realizes the fixed of lithium cell, the curb plate, top cap and the bottom plate outside are provided with explosion-proof diaphragm, curb plate, top cap and bottom plate pass through the film layer with explosion-proof diaphragm and paste.
Further, in an embodiment of the present invention, the lithium battery pack further includes a controller, a processor, a temperature sensor, an alarm device, a current and power detection device, and a LED display.
Further, the utility model discloses an in an embodiment, be provided with four temperature sensor on four angles of curb plate top, four temperature sensor are second, third, fourth, fifth temperature sensor.
Further, in an embodiment of the present invention, the processor is installed on one side of the top cover above the second temperature sensor, the controller is installed between the processor and the LED display, the alarm device is installed at a left position adjacent to the processor, and the first, second, third, fourth, and fifth temperature sensors are electrically connected to the processor; the processor is electrically connected with the controller; the controller is electrically connected with the alarm device, the current and electric quantity detection device is installed on the top cover on one side opposite to the processor, and the controller is electrically connected with the LED display installed in the central position of the top cover and used for displaying information of current, electric quantity and temperature.
Further, in an embodiment of the present invention, four sides of each group of lithium batteries are provided with a silicone cooling fin.
Further, the utility model discloses an in the embodiment, the curb plate inboard is provided with fire-retardant layer, the top cap adopts the polytetrafluoroethylene board, the top cap is provided with 3CM height, the wide circular protruding handle of 2CM, the curb plate is the silicon substrate, and the bottom plate is high silicon-oxygen cotton material board.
Further, in an embodiment of the present invention, the explosion-proof solenoid valve is electrically connected to the processor.
Compared with the prior art, the beneficial effects of the utility model are that: 1. the utility model discloses a temperature sensor is connected with the controller, according to the output flow of temperature information control nitrogen gas that temperature sensor fed back, reaches the cooling that not only can be to the lithium cell module, can the energy saving again, uses the electric current electric quantity detection device simultaneously and feeds back the information of electric current, electric quantity and temperature on the LED display, can the concrete information of audio-visual display battery; 2. the utility model discloses a silica gel fin is provided with to every lithium cell side and carries out the sustained cooling to the lithium cell, has effectively reduced the phenomenon of generating heat of lithium cell group, eliminates the potential safety hazard that the overheated emergence of lithium cell that probably appears burns; 3. the utility model has the advantages that the side plates, the top cover and the bottom plate are pasted with the explosion-proof diaphragm through the film layer, thereby playing the explosion-proof role for the lithium battery; 4. the nitrogen tank is in a relatively safe environment by arranging the explosion-proof electromagnetic valve, so that the safety of the nitrogen tank is improved; 5. the utility model discloses a set up the semiconductor cooler, make the work of nitrogen gas jar more reliable, it is more simple and convenient to operate, uses electric connection between laser temperature sensor, semiconductor cooler and the treater to change in addition and carries out cold volume to the nitrogen gas jar and adjust.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1:
as shown in figure 1, the nitrogen cooling and heat dissipation lithium battery pack comprises a bearing cavity and a battery box, wherein the bearing cavity is arranged inside the battery box and is used for installing 6 groups of lithium batteries, the 6 groups of lithium batteries are arranged in two rows side by side, the nitrogen cooling device communicated with the inside of the lithium battery pack comprises a nitrogen tank, the nitrogen tank comprises an air inlet and an air outlet, the air inlet is positioned below the nitrogen tank, a circulating air pump is arranged on the inner side of the air inlet, the air outlet is positioned above the nitrogen tank, a semiconductor refrigerator is oppositely arranged on the air outlet, the air inlet and the air outlet are respectively connected with an air transmission pipeline, the air transmission pipeline is positioned inside the lithium batteries, the air transmission pipeline is in a reversed mountain shape when viewed from top, a complete circulating structure is formed between the air transmission pipeline and the nitrogen tank, and an explosion-proof electromagnetic valve is arranged between the air transmission pipeline, an expansion valve is arranged on the outer side of the explosion-proof electromagnetic valve, and a first temperature sensor is arranged inside the nitrogen tank.
Further, the utility model discloses an in the embodiment, one side that nitrogen gas of nitrogen gas jar got into the gas transmission pipeline is the air inlet, and one side that nitrogen gas got into the nitrogen gas jar from the gas transmission pipeline is the gas outlet.
Further, the utility model discloses an in an embodiment, first temperature sensor is laser temperature sensor, and laser temperature sensor detects the temperature of nitrogen gas jar, cooperatees with treater, semiconductor cooler and control, and when laser temperature sensor detected the high temperature of nitrogen gas jar, just increaseed semiconductor cooler's work load, made the temperature reduction of nitrogen gas jar, strengthened the safety in utilization of nitrogen gas jar.
Further, the utility model discloses an in an embodiment, 6 group's lithium cells include first group to sixth group lithium cell, first group lithium cell, second group lithium cell and third group lithium cell are located the first line, fourth group lithium cell, fifth group lithium cell and sixth group lithium cell and first group are located the second line to third group lithium cell symmetrical arrangement, every group lithium cell includes 6 sections lithium cells, 6 sections lithium cells are according to being divided into 2 lines 3 and are listed as the setting, adjacent lithium cell opposite direction is placed side by side, the positive negative pole of adjacent lithium cell passes through nickel strap series connection, every group lithium cell nickel strap is "the" oneself "style of calligraphy and arranges.
Further, the utility model discloses an in the embodiment, the battery case includes curb plate, top cap and bottom plate, the curb plate is fixed in the both sides of 6 lithium cell groups, realizes the fixed of lithium cell, the curb plate, top cap and the bottom plate outside are provided with explosion-proof diaphragm, curb plate, top cap and bottom plate pass through the film layer with explosion-proof diaphragm and paste.
Further, in an embodiment of the present invention, the lithium battery pack further includes a controller, a processor, a temperature sensor, an alarm device, a current and power detection device, and a LED display. Alarm device is acousto-optic warning device, including buzzer sound warning and ruddiness warning, has improved the factor of safety of lithium cell package box.
Further, the utility model discloses an in an embodiment, be provided with four temperature sensor on four angles of curb plate top, four temperature sensor are second, third, fourth, fifth temperature sensor.
Further, in an embodiment of the present invention, the processor is installed on one side of the top cover above the second temperature sensor, the controller is installed between the processor and the LED display, the alarm device is installed at a left position adjacent to the processor, and the first, second, third, fourth, and fifth temperature sensors are electrically connected to the processor; the processor is electrically connected with the controller; the controller is electrically connected with the alarm device, the current and electric quantity detection device is installed on the top cover on one side opposite to the processor, and the controller is electrically connected with the LED display installed at the central position of the top cover and used for displaying information of current, electric quantity and temperature so as to be more accurately controlled.
Further, the utility model discloses an in an embodiment, four sides of every group lithium cell are provided with the silica gel fin, dispel the heat to the lithium cell, improve the security that the lithium cell used.
Further, the utility model discloses an in the embodiment, the curb plate inboard is provided with fire-retardant layer, the top cap adopts the polytetrafluoroethylene board, the top cap is provided with 3CM height, the wide circular protruding handle of 2CM, the curb plate is the silicon substrate, and the bottom plate is high silicon-oxygen cotton material board. The fire-retardant layer makes whole lithium cell group prevent its thermal runaway's emergence, and greatly increased lithium cell group's safety in utilization when the lithium cell group appearance accident such as catching fire, has the protection on fire-retardant layer can prolong the rescue time greatly, reduces the risk of accident.
Further, in an embodiment of the present invention, the semiconductor refrigerator, the explosion-proof solenoid valve and the processor are electrically connected to improve the safety of the nitrogen tank.
Example 2:
the utility model provides a nitrogen gas cooling lithium cell group, nitrogen gas tank top is provided with top pressure gauge and automatic relief valve, and is too big when nitrogen gas tank pressure, can open automatic relief valve automatically and carry out the pressure release to the nitrogen gas tank, makes the nitrogen gas tank can not have because of the too big phenomenon that explodes of pressure, reduces the risk that the accident appears.
Further, in an embodiment of the present invention, the explosion-proof solenoid valve is provided with an epdm rubber seal ring with an air inlet, and the explosion-proof solenoid valve has excellent vulcanization characteristics, low density and high filling performance, aging resistance, corrosion resistance, water vapor resistance, superheated water resistance, and adhesiveness.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (10)
1. The utility model provides a nitrogen gas cooling heat dissipation lithium cell group which characterized in that: the lithium battery pack comprises a bearing cavity and a battery box (5), the bearing cavity is arranged inside the battery box, the bearing cavity is used for installing 6 groups of lithium batteries, the 6 groups of lithium batteries are divided into two rows and arranged side by side, the lithium battery pack also comprises a nitrogen cooling device (1) communicated with the inside of the lithium battery pack, the nitrogen cooling device comprises a nitrogen tank, the nitrogen tank comprises an air inlet (3) and an air outlet (2), the air inlet is positioned below the nitrogen tank, a circulating air pump is arranged on the inner side of the air inlet, the air outlet is positioned above the nitrogen tank, a semiconductor refrigerator is oppositely arranged on the air outlet, the air inlet and the air outlet are respectively connected with a gas transmission pipeline (4), the gas transmission pipeline is positioned inside the lithium battery, the gas transmission pipeline is in a reversed mountain shape when viewed from top, a complete circulating structure is formed between the gas transmission pipeline and, an expansion valve is arranged on the outer side of the explosion-proof electromagnetic valve, and a first temperature sensor is arranged inside the nitrogen tank.
2. The nitrogen-cooled lithium-ion battery pack according to claim 1, wherein: the first temperature sensor is a laser temperature sensor.
3. The nitrogen-cooled lithium-ion battery pack according to claim 1, wherein: 6 lithium cell of group includes first group to sixth group lithium cell, first group lithium cell (6), second group lithium cell (7) and third group lithium cell (8) are located the first line, fourth group lithium cell (9), fifth group lithium cell (10) and sixth group lithium cell (11) and first group are located the second line to third group lithium cell symmetrical arrangement, every lithium cell of group includes 6 sections lithium cells, 6 sections lithium cells are according to being divided into 2 lines 3 and be listed as the setting, adjacent lithium cell opposite direction places side by side, the positive negative pole of adjacent lithium cell passes through nickel strap series connection, every lithium cell nickel strap of group is "oneself" style of calligraphy and arranges.
4. The nitrogen-cooled lithium-ion battery pack according to claim 1, wherein: the battery case includes curb plate, top cap and bottom plate, the curb plate is fixed in the both sides of 6 lithium cells, realizes lithium cell's fixed, curb plate, top cap and bottom plate outside are provided with explosion-proof diaphragm, curb plate, top cap and bottom plate pass through the film layer with explosion-proof diaphragm and paste.
5. The nitrogen-cooled lithium-ion battery pack according to claim 4, wherein: the lithium battery pack further comprises a controller, a processor, a temperature sensor, an alarm device, a current and electric quantity detection device and an LED display.
6. The nitrogen-cooled lithium-ion battery pack according to claim 4, wherein: four temperature sensors are arranged at four corners above the side plate, and the four temperature sensors are a second temperature sensor, a third temperature sensor, a fourth temperature sensor and a fifth temperature sensor.
7. The nitrogen-cooled lithium-ion battery pack according to claim 5, wherein: the processor is arranged on one side of the top cover above the second temperature sensor, the controller is arranged between the processor and the LED display, the alarm device is arranged on the left position adjacent to the processor, and the first temperature sensor, the second temperature sensor, the third temperature sensor, the fourth temperature sensor and the fifth temperature sensor are electrically connected with the processor; the processor is electrically connected with the controller; the controller is electrically connected with the alarm device, the current and electric quantity detection device is installed on the top cover on one side opposite to the processor, and the controller is electrically connected with the LED display installed in the central position of the top cover and used for displaying information of current, electric quantity and temperature.
8. The nitrogen-cooled lithium-ion battery pack according to claim 4, wherein: and four side faces of each group of lithium batteries are provided with silica gel radiating fins.
9. The nitrogen-cooled lithium-ion battery pack according to claim 4, wherein: the curb plate inboard is provided with fire-retardant layer, the top cap adopts the polytetrafluoroethylene board, the top cap is provided with the circular protruding handle that 3CM is high, 2CM is wide, the curb plate is the silicon substrate, and the bottom plate is high silicon oxygen cotton material board.
10. The nitrogen-cooled lithium-ion battery pack according to claim 1, wherein: the explosion-proof electromagnetic valve is electrically connected with the processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920060293.0U CN209860105U (en) | 2019-01-15 | 2019-01-15 | Nitrogen cooling lithium cell group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920060293.0U CN209860105U (en) | 2019-01-15 | 2019-01-15 | Nitrogen cooling lithium cell group |
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| Publication Number | Publication Date |
|---|---|
| CN209860105U true CN209860105U (en) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920060293.0U Expired - Fee Related CN209860105U (en) | 2019-01-15 | 2019-01-15 | Nitrogen cooling lithium cell group |
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| Country | Link |
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| CN (1) | CN209860105U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709508A (en) * | 2022-03-14 | 2022-07-05 | 大连理工大学 | Temperature-control fireproof and explosion-proof integrated lithium battery energy storage power station and control method thereof |
-
2019
- 2019-01-15 CN CN201920060293.0U patent/CN209860105U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709508A (en) * | 2022-03-14 | 2022-07-05 | 大连理工大学 | Temperature-control fireproof and explosion-proof integrated lithium battery energy storage power station and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 Termination date: 20210115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |