CN110707252A - Heat dissipation device for new energy battery - Google Patents
Heat dissipation device for new energy battery Download PDFInfo
- Publication number
- CN110707252A CN110707252A CN201910868583.2A CN201910868583A CN110707252A CN 110707252 A CN110707252 A CN 110707252A CN 201910868583 A CN201910868583 A CN 201910868583A CN 110707252 A CN110707252 A CN 110707252A
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- Prior art keywords
- battery
- heat dissipation
- protective cover
- new energy
- air
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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
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- 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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a heat dissipation device for a new energy battery, which comprises a battery protective cover and a heat dissipation system, wherein a plurality of adjusting butting shafts connected with a supporting plate are arranged on the battery protective cover, a plurality of rolling small balls are embedded in the supporting plate, the side edge of the bottom of the supporting plate is connected with a cylinder through a telescopic shaft, the cylinder is fixedly arranged on the inner side edge of the battery protective cover and is positioned below the adjusting butting shafts, a function adjusting cavity is arranged below the cylinder, a push plate, a thermal expansion air bag and a baffle are arranged in the function adjusting cavity, and two end heads of the baffle are respectively connected with a side plate of a cavity at the bottom of the battery and the inner side wall of; the heat dissipation system comprises a fan, air pipes and a plurality of heat dissipation air outlet pipes, wherein the fan is arranged on two side edges outside the battery protective cover, the air pipes are communicated with the fan and the air collecting pipe, the heat dissipation air outlet pipes are uniformly embedded in the battery protective cover, the heat dissipation air outlet pipes are communicated with the air collecting pipe through connectors, and a plurality of ventilation holes are formed in the heat dissipation air outlet pipes.
Description
Technical Field
The invention relates to the technical field of new energy batteries, in particular to a heat dissipation device for a new energy battery.
Background
At present, a new energy battery gradually becomes a power source of a plurality of mechanical structures or machines, and the quality of protection and heat dissipation functions of the new energy battery is the key of safe operation of the mechanical structures or machines, but at present, people often see that the new energy battery can generate a large amount of heat when in use, if relevant measures are not taken for heat dissipation, the power supply efficiency of the new energy battery is reduced, the charge-discharge cycle life is shortened rapidly, and in the aspect of heat dissipation, the current new energy battery is only provided with heat dissipation holes on a common protective cover, so that the problem of overhigh temperature in the power supply process cannot be effectively solved; in addition, in the aspect of protection, the new energy battery is simply fixed on a specific position and does not have a buffering function, so that the new energy battery is easily damaged due to strong impact.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a heat dissipation device for a new energy battery.
In order to solve the technical problems, the invention provides the following technical scheme: a heat dissipation device for a new energy battery comprises a battery protective cover and a heat dissipation system, wherein a plurality of adjusting butting shafts connected with a supporting plate are arranged on the battery protective cover, a plurality of rolling small balls are embedded in the supporting plate, the side edge of the bottom of the supporting plate is connected with an air cylinder through a telescopic shaft, the air cylinder is fixedly installed on the inner side edge of the battery protective cover and is positioned below the adjusting butting shafts, a function adjusting cavity is arranged below the air cylinder, a push plate, a side plate with one end fixedly connected with a cavity at the bottom of the battery, a thermal expansion air bag with the other end movably connected with the push plate and a baffle are installed in the function adjusting cavity, and two ends of the baffle are respectively connected with the side plate;
the heat dissipation system comprises a fan, air pipes and a plurality of heat dissipation air outlet pipes, wherein the fan is arranged on two side edges outside the battery protective cover, the air pipes are communicated with the fan and the air collecting pipe, the heat dissipation air outlet pipes are uniformly embedded in the battery protective cover, the heat dissipation air outlet pipes are communicated with the air collecting pipe through connectors, and a plurality of ventilation holes are formed in the heat dissipation air outlet pipes.
As a preferred technical scheme of the invention, the fan is provided with a touch switch which is arranged opposite to the functional adjusting cavities distributed on the side edge of the bottom of the battery protective cover and is movably connected with the push plate.
As a preferred technical scheme of the invention, the two sides of the cavity at the bottom of the battery are provided with the oblique elastic pieces which are in a regular triangle structure inclined from top to bottom, and the right-angle sides of the oblique elastic pieces are connected with the side plates of the cavity at the bottom of the battery.
As a preferred technical scheme of the invention, the rolling balls are uniformly distributed on the support plate, the rolling balls are in rolling connection with the support plate, and the rolling surface of the rolling balls is protruded out of the support plate and is abutted against the battery.
As a preferable technical scheme of the invention, the adjusting abutting shaft is an elastic adjusting abutting shaft.
The invention has the following beneficial effects:
1. according to the heat dissipation device for the new energy battery, provided by the invention, through the arranged fan, the air collecting pipe and the heat dissipation air outlet pipe, air can be blown into the battery protective cover when the temperature in the battery protective cover is overhigh, so that the purpose of dissipating heat of the battery is achieved; in the process, the thermal expansion air bag arranged in the function adjusting cavity is expanded under the influence of high temperature in the battery protective cover, and only can expand and bulge towards one side of the push plate due to the limitation of the side plate and the baffle plate arranged on the cavity at the bottom of the battery, so that the push plate is pushed to move towards the position of the fan provided with the touch switch, the touch switch is opened, the fan is extruded and opened by the thermal expansion air bag, at the moment, the fan blows air into the air collecting pipe through the air pipe, the air collecting pipe reaches the connecting port, finally enters the heat dissipation air outlet pipe, and the air is blown into the battery protective cover through a plurality of air vents arranged on the heat dissipation air outlet pipe; when high temperature was alleviated in the battery protection casing, the thermal energy gasbag was flat gradually, breaks away from touch switch, causes the fan to be closed, and the work of stopping blowing reaches the purpose according to temperature heat dissipation demand automatic switch equipment, need not to open for a long time, and extravagant electric power resource also need not manpower control, and it is more convenient to use.
2. According to the heat dissipation device for the new energy battery, provided by the invention, the impact force generated when the new energy battery is subjected to strong impact can be buffered through the telescopic shaft, the air cylinder, the supporting plate and the adjusting and abutting shaft, so that the new energy battery is protected from being damaged; when a battery is placed in or taken out of the battery protective cover, the telescopic shaft can be driven to contract through the control cylinder, so that the supporting plate fixedly connected with the telescopic shaft is synchronously retracted inwards, and at the moment, the abutting shaft is adjusted to be obliquely hung on the inner side wall of the battery protective cover, so that a larger space is provided for placing or taking out the battery, and the work of placing or taking out the battery is facilitated; after the battery was placed, we can drive the telescopic shaft extension through the control cylinder, cause the backup pad of fixed connection telescopic shaft to outwards remove in step, at this moment, adjust the oblique angle of butt axle suspension on battery protection casing inside wall and enlarge, cause the butt that the backup pad can be tight on the battery, play the effect of buffering.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a connection diagram of the heat dissipation air outlet pipe and the air collecting pipe.
Reference numbers in the figures: 1. a battery shield; 2. a support plate; 3. adjusting the butting shaft; 4. rolling the small ball; 5. a telescopic shaft; 6. a cylinder; 7. a function adjusting cavity; 8. pushing the plate; 9. a battery bottom cavity; 10. a side plate; 11. a thermally expanding bladder; 12. a baffle plate; 13. a fan; 14. an air collecting pipe; 15. an air duct; 16. a heat dissipation air outlet pipe; 17. a connecting port; 18. a vent hole; 19. a touch switch; 20. oblique shell fragment.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example (b): as shown in fig. 1-2, a heat dissipation device for a new energy battery comprises a battery protection cover 1 and a heat dissipation system, wherein a plurality of adjusting butting shafts 3 connected with a support plate 2 are arranged on the battery protection cover 1, a plurality of rolling balls 4 are embedded in the support plate 2, the bottom side edge of the support plate 2 is connected with a cylinder 6 through a telescopic shaft 5, the cylinder 6 is fixedly installed on the inner side edge of the battery protection cover 1 and is positioned below the adjusting butting shafts 3, a function adjusting cavity 7 is arranged below the cylinder 6, a push plate 8 is installed in the function adjusting cavity 7, a side plate 10 with one end fixedly connected with a battery bottom accommodating cavity 9, a thermal expansion airbag 11 with the other end movably connected with the push plate 8 and a baffle plate 12, and two end heads of the baffle plate 12 are respectively connected with the side plate 10 of the battery bottom accommodating cavity; when a battery is installed or taken out, the telescopic shaft 5 can be driven to contract through the control cylinder 6, so that the supporting plate 2 fixedly connected with the telescopic shaft 5 can be synchronously retracted inwards, at the moment, the butting shaft 3 is adjusted to be obliquely hung on the inner side wall of the battery protective cover 1, a larger space is provided for placing or taking out the battery, and the work of placing or taking out the battery is facilitated; after the battery is placed, the telescopic shaft 5 can be driven to extend through the control cylinder 6, so that the support plate 2 fixedly connected with the telescopic shaft 5 can synchronously move outwards, and at the moment, the oblique angle of the butting shaft 3 hung on the inner side wall of the battery protective cover 1 is adjusted to be enlarged, so that the support plate 2 can be tightly butted on the battery to play a role in buffering;
the heat dissipation system comprises a fan 13 arranged on two side edges outside the battery protective cover 1, an air pipe 15 for communicating the fan 13 with an air collecting pipe 14, and a plurality of heat dissipation air outlet pipes 16, wherein the plurality of heat dissipation air outlet pipes 16 are uniformly embedded around the inside of the battery protective cover 1 and are communicated with the air collecting pipe 14 through a connecting port 17, and a plurality of vent holes 18 are formed in the heat dissipation air outlet pipes 16; when the temperature in the battery protection cover 1 is too high, the thermal expansion air bag 11 expands under the influence of the high temperature in the battery protection cover 1, and only expands and bulges towards one side of the push plate 8 due to the limitation of the side plate 10 and the baffle plate 12 which are arranged on the cavity 9 at the bottom of the battery, so that the push plate 8 is pushed to move towards the position of the fan 13 provided with the touch switch 19, the touch switch 19 is opened, so that the fan 13 is extruded and opened by the thermal expansion air bag 11, at the moment, the fan 13 blows air into the air collecting pipe 14 through the air pipe 16, the air is blown into the connecting port 17 through the air collecting pipe 14, finally enters the heat dissipation air outlet pipe 16, and is blown into the battery protection cover 1 through the plurality of air vents 18 arranged on; when high temperature is alleviated in the battery protection cover 1, the thermal expansion air bag 11 is gradually shrunken and separated from the touch switch 19, so that the fan 13 is closed, the blowing operation is stopped, the purpose of automatic switch equipment according to the temperature heat dissipation requirement is achieved, the automatic switch equipment does not need to be opened for a long time, the power resource is wasted, the manual monitoring is not needed, and the use is more convenient.
The blower 13 is provided with a touch switch 19, the touch switch 19 is arranged right opposite to the functional adjusting cavity 7 distributed on the side edge of the bottom of the battery protective cover 1 and is movably connected with the push plate 8, and the push plate 8 can be extruded when the thermal expansion airbag 11 expands, so that the push plate 8 can touch the touch switch 19, the blower 1 is opened, air can be blown into the battery protective cover 1, and the heat dissipation effect is achieved.
The both sides that the battery bottom holds chamber 9 are equipped with slant shell fragment 20, and slant shell fragment 20 is the regular triangle structure of from the top to the bottom slope, and its right-angle side is connected with the curb plate 10 that the battery bottom holds chamber 9, and when the battery was placed the battery bottom and is held the intracavity 9, slant shell fragment 20 had the effect of the impact force that produces when buffering new energy battery received powerful impact, can protect new energy battery not receive the damage.
The even distribution of ball 4 rolls is on backup pad 2, and rolls for roll connection between ball 4 and the backup pad 2, and the outstanding backup pad 2 butt of its rolling surface can reduce the frictional force between battery and the backup pad 2 when taking new energy battery on the battery for new energy battery's taking is more convenient.
The adjusting butt shaft 3 is an elastic adjusting butt shaft, has the function of buffering impact force generated when the new energy battery is subjected to strong impact, and can protect the new energy battery from being damaged.
The working principle is as follows: the use method of the heat dissipation device for the new energy battery comprises the following steps:
firstly, when a battery is to be installed in the battery protective cover 1, the telescopic shaft 5 can be driven to contract by the control cylinder 6 during installation, so that the supporting plate 2 fixedly connected with the telescopic shaft 5 can be synchronously retracted inwards, and at the moment, the butting shaft 3 is adjusted to be obliquely hung on the inner side wall of the battery protective cover 1, so that a larger space is provided for placing or taking out the battery, and the work of placing or taking out the battery is facilitated; after the battery is placed, the telescopic shaft 5 can be driven to extend through the control cylinder 6, so that the support plate 2 fixedly connected with the telescopic shaft 5 can synchronously move outwards, and at the moment, the oblique angle of the butting shaft 3 hung on the inner side wall of the battery protective cover 1 is adjusted to be enlarged, so that the support plate 2 can be tightly butted on the battery to play a role in buffering;
when the temperature in the battery protection cover 1 is too high, the thermal expansion air bag 11 expands under the influence of the high temperature in the battery protection cover 1, and only expands and bulges towards one side of the push plate 8 due to the limitation of the side plate 10 and the baffle plate 12 which are arranged on the cavity 9 at the bottom of the battery, so that the push plate 8 is pushed to move towards the position of the fan 13 provided with the touch switch 19, the touch switch 19 is opened, so that the fan 13 is extruded and opened by the thermal expansion air bag 11, at the moment, the fan 13 blows air into the air collecting pipe 14 through the air pipe 16, the air is blown into the connecting port 17 through the air collecting pipe 14, finally enters the heat dissipation air outlet pipe 16, and is blown into the battery protection cover 1 through the plurality of air vents 18 arranged on; when high temperature is alleviated in the battery protection cover 1, the thermal expansion air bag 11 is gradually shrunken and separated from the touch switch 19, so that the fan 13 is closed, the blowing operation is stopped, the purpose of automatic switch equipment according to the temperature heat dissipation requirement is achieved, the automatic switch equipment does not need to be opened for a long time, the power resource is wasted, the manual monitoring is not needed, and the use is more convenient.
It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the existing well-known technology, and the electrical connection relation and the specific circuit structure of the device are not repeated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a heat abstractor for new energy battery, a serial communication port, including battery protection casing (1) and cooling system, be provided with a plurality of regulation butt joint axle (3) of joint support board (2) on battery protection casing (1), embedded a plurality of rolls bobble (4) in backup pad (2), and backup pad (2) bottom side is connected with cylinder (6) through telescopic shaft (5), cylinder (6) fixed mounting is on the inside side of battery protection casing (1) and is located the below of adjusting butt joint axle (3), the below of cylinder (6) is equipped with function regulation chamber (7), install push pedal (8) in function regulation chamber (7), curb plate (10) that one end fixed connection battery bottom holds chamber (9), thermal energy gasbag (11) of other end swing joint push pedal (8), and baffle (12), the both ends head of baffle (12) respectively with curb plate (10) that battery bottom held chamber (9) and the inside lateral wall of battery protection casing (1) side wall Connecting;
the heat dissipation system comprises a fan (13) arranged on two side edges outside the battery protective cover (1), an air pipe (15) communicated with the fan (13) and an air collecting pipe (14), and a plurality of heat dissipation air outlet pipes (16), wherein the plurality of heat dissipation air outlet pipes (16) are uniformly embedded around the inside of the battery protective cover (1), are communicated with the air collecting pipe (14) through a connector (17), and are provided with a plurality of ventilation holes (18) on the heat dissipation air outlet pipes (16).
2. The heat dissipation device for the new energy battery according to claim 1, wherein the blower (13) is provided with a touch switch (19), and the touch switch (19) is arranged opposite to the functional regulation cavity (7) distributed on the bottom side edge of the battery protective cover (1) and movably connected with the push plate (8).
3. The heat dissipation device for the new energy battery as claimed in claim 1, wherein two sides of the battery bottom cavity (9) are provided with oblique spring pieces (20), each oblique spring piece (20) is of a regular triangle structure inclined from top to bottom, and a right-angle side of each oblique spring piece is connected with a side plate (10) of the battery bottom cavity (9).
4. The heat dissipation device for the new energy battery as claimed in claim 1, wherein the rolling balls (4) are uniformly distributed on the support plate (2), the rolling balls (4) are in rolling connection with the support plate (2), and the rolling surface of the rolling balls protrudes out of the support plate (2) and abuts against the battery.
5. The heat dissipation device for the new energy battery as claimed in claim 1, wherein the adjustment abutment shaft (3) is an elastic adjustment abutment shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910868583.2A CN110707252A (en) | 2019-09-16 | 2019-09-16 | Heat dissipation device for new energy battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910868583.2A CN110707252A (en) | 2019-09-16 | 2019-09-16 | Heat dissipation device for new energy battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110707252A true CN110707252A (en) | 2020-01-17 |
Family
ID=69196183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910868583.2A Withdrawn CN110707252A (en) | 2019-09-16 | 2019-09-16 | Heat dissipation device for new energy battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110707252A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111403649A (en) * | 2020-03-26 | 2020-07-10 | 王浩 | Self-adaptive protection device for automobile battery pack and use method thereof |
| CN111916306A (en) * | 2020-08-07 | 2020-11-10 | 李兰芳 | Control assembly of electromechanical converter for industrial automation field |
| CN111946402A (en) * | 2020-09-03 | 2020-11-17 | 辽宁工程技术大学 | Coal mine spontaneous combustion fire monitoring and alarming device |
| CN112649566A (en) * | 2020-11-30 | 2021-04-13 | 中国人民解放军92609部队 | On-spot poisonous and harmful gas detection terminal of fire control rescue of putting out a fire |
| CN112909793A (en) * | 2021-01-27 | 2021-06-04 | 浙江万森电热设备股份有限公司 | Intelligent control cabinet of circulating heat dissipation type electric heater |
| CN113332623A (en) * | 2021-06-04 | 2021-09-03 | 台州田月桑时科技有限公司 | Assembled building fire escape system |
| CN113346203A (en) * | 2021-08-06 | 2021-09-03 | 新乡市弘力电源科技有限公司 | Soft package lithium manganate battery with overcharge prevention function |
| CN114050351A (en) * | 2021-11-29 | 2022-02-15 | 江西永德立新能源有限公司 | Lithium battery with high sealing flame retardance |
| CN116435666A (en) * | 2023-06-13 | 2023-07-14 | 威海市泓淋电力技术股份有限公司 | New energy automobile battery with anticollision function |
-
2019
- 2019-09-16 CN CN201910868583.2A patent/CN110707252A/en not_active Withdrawn
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111403649A (en) * | 2020-03-26 | 2020-07-10 | 王浩 | Self-adaptive protection device for automobile battery pack and use method thereof |
| CN111916306A (en) * | 2020-08-07 | 2020-11-10 | 李兰芳 | Control assembly of electromechanical converter for industrial automation field |
| CN111916306B (en) * | 2020-08-07 | 2021-08-17 | 山东省医药工业设计院有限公司 | Control assembly of electromechanical converter for industrial automation field |
| CN111946402B (en) * | 2020-09-03 | 2022-02-18 | 辽宁工程技术大学 | Coal mine spontaneous combustion fire monitoring and alarming device |
| CN111946402A (en) * | 2020-09-03 | 2020-11-17 | 辽宁工程技术大学 | Coal mine spontaneous combustion fire monitoring and alarming device |
| CN112649566A (en) * | 2020-11-30 | 2021-04-13 | 中国人民解放军92609部队 | On-spot poisonous and harmful gas detection terminal of fire control rescue of putting out a fire |
| CN112909793A (en) * | 2021-01-27 | 2021-06-04 | 浙江万森电热设备股份有限公司 | Intelligent control cabinet of circulating heat dissipation type electric heater |
| CN113332623A (en) * | 2021-06-04 | 2021-09-03 | 台州田月桑时科技有限公司 | Assembled building fire escape system |
| CN113346203B (en) * | 2021-08-06 | 2021-10-29 | 新乡市弘力电源科技有限公司 | Soft package lithium manganate battery with overcharge prevention function |
| CN113346203A (en) * | 2021-08-06 | 2021-09-03 | 新乡市弘力电源科技有限公司 | Soft package lithium manganate battery with overcharge prevention function |
| CN114050351A (en) * | 2021-11-29 | 2022-02-15 | 江西永德立新能源有限公司 | Lithium battery with high sealing flame retardance |
| CN114050351B (en) * | 2021-11-29 | 2023-11-24 | 江西永德立新能源有限公司 | Lithium battery with high sealing flame retardance |
| CN116435666A (en) * | 2023-06-13 | 2023-07-14 | 威海市泓淋电力技术股份有限公司 | New energy automobile battery with anticollision function |
| CN116435666B (en) * | 2023-06-13 | 2023-08-25 | 威海市泓淋电力技术股份有限公司 | New energy automobile battery with anticollision function |
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Application publication date: 20200117 |