CN206797067U - The cooling system and new-energy automobile of a kind of new-energy automobile - Google Patents
The cooling system and new-energy automobile of a kind of new-energy automobile Download PDFInfo
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- CN206797067U CN206797067U CN201720096612.4U CN201720096612U CN206797067U CN 206797067 U CN206797067 U CN 206797067U CN 201720096612 U CN201720096612 U CN 201720096612U CN 206797067 U CN206797067 U CN 206797067U
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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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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The cooling system and new-energy automobile of a kind of new-energy automobile are the utility model is related to, the cooling system includes electric automobile, charging device and charging cable；The electric automobile includes power battery device, in-vehicle air conditioner and control device；The charging device includes DC-AC conversion device and cooling device；The power battery device selects control to provide coolant circulation cooling by the cooling device in the in-vehicle air conditioner or the charging device by the control device, the charging cable includes power transmission storehouse and signal transmission storehouse, charging cable power transmission line and charging cable coolant transmission channel are accommodated in the power transmission storehouse, the coolant is conveyed in the charging cable coolant transmission channel, and the charging cable power transmission line is immersed in the coolant in the charging cable coolant transmission channel.Cooling system of the present utility model, electrokinetic cell bag is cooled down in charging process, control temperature, the heat dissipation problem such as solve traditional electrokinetic cell heat flow density is big in charging, electrothermal calefactive rate is fast and cooling space is limited, accelerate the performance that electrokinetic cell is improved while battery charging, life-span and the battery volume used can be allowed.
Description
Technical field
It the utility model is related to a kind of cooling system and new-energy automobile, more particularly to a kind of liquid for new-energy automobile
Cold cooling system and new-energy automobile, performance and the life-span of battery can be effectively cooled down, improved to battery.
Background technology
At present, with energy resource consumption growing tension and people's environmental consciousness (vehicle exhaust, PM2.5) raising, new energy
Source automobile has become the important development direction of future automobile, wherein, the research of electric automobile becomes into maturation, due to its energy-saving ring
Protect and increasingly obtain liking for people.In electric automobile, electrokinetic cell provides the energy of driving, yet with car to be ensured
Power performance requirement, it is necessary to the very huge electrokinetic cell bag of weight and volume.The electrokinetic cell bag has multiple dynamic
Power battery, multiple electrokinetic cells are using simultaneously High voltage output is connected in series, and for the consideration of waterproof and insulate, electrokinetic cell bag is usual
Totally enclosed waterproof insulation structure will be used, this is contradicted with the radiating of electrokinetic cell bag, can produce substantial amounts of heat during work,
In charging, caloric value can be bigger, thus the cooling to electrokinetic cell bag is essential.
In addition, as Development of Electric Vehicles and commercialization are popularized, people are to that can be the charging of battery bag progress quick charge
The demand stood increasingly is thirsted for, and popularization of the rapid nitriding for electric automobile has vital meaning.Realization is quickly filled
The bottleneck of power technology, in addition to the factor in terms of battery material, exactly battery bag in high current, super-large current charging process
The problem of heating problem and charging cable generate heat.On the one hand, in quick charge, battery bag temperature drastically raises, and is led when serious
Pyrogenicity is out of control, the danger such as cells burst, blast occurs；On the other hand, electrokinetic cell bag is very sensitive to temperature, and battery temperature is too high
It can cause to be not fully filled electricity, reduce charge efficiency, the reduction of battery life etc.；Further, high current, super-large current produce when flowing through cable
Raw heat, the temperature rise for making cable is reached into insufferable degree.Therefore, the electricity to electric automobile during quick charge
Chi Bao, cable carry out effectively cooling, so that temperature obtains control and seems most important.
Utility model content
The utility model provides a kind of cooling system for new-energy automobile, and it can overcome exists in the prior art
Drawbacks described above, electrokinetic cell bag is cooled down in charging process, control temperature, solve traditional electrokinetic cell dissipate
Heat problem, performance and the life-span that electrokinetic cell is improved while battery charging are accelerated, securely and reliably；Meanwhile by right
The cooling of charging cable so that the line footpath size of cable is significantly reduced, so as to super-large current transmission of electricity be possibly realized and significantly
Reduce the size of cable.
To realize the purpose of this utility model, the technical solution adopted in the utility model is：A kind of new-energy automobile it is cold
But system, the cooling system include electric automobile, charging device and charging cable, and the charging cable is used to connect described fill
Electric installation and the electric automobile；The electric automobile includes power battery device, in-vehicle air conditioner and control device；It is described
Charging device includes DC-AC conversion device and cooling device；The power battery device selects to control by the control device
Coolant circulation cooling is provided by the cooling device in the in-vehicle air conditioner or the charging device.
Preferably, the charging cable includes power transmission storehouse and signal transmission storehouse, accommodating and filling in the power transmission storehouse
Electrical cables power transmission line and charging cable coolant transmission channel, the coolant are logical in charging cable coolant transmission
Conveyed in road, the charging cable power transmission line is immersed in the coolant in the charging cable coolant transmission channel
In, accommodate signal transmssion line in the signal transmission storehouse.
Preferably, the power battery device includes multiple battery units, and multiple battery cells in series connections are multiple
The battery unit is fully immersed in the coolant of the power battery device.
Preferably, it is provided with device for detecting temperature on the power battery device.
Preferably, refrigerant expansion relief valve is provided with the power battery device.
Preferably, the DC-AC conversion device of the charging device is provided cold by the cooling device of the charging device
But liquid circulates.
Preferably, the DC-AC conversion device is immersed in the cooling device of the charging device and provided in coolant.
Preferably, the coolant for insulation refrigerant, such as electronics fluorination liquid.
Preferably, the power battery device and the cooling device in the in-vehicle air conditioner or the charging device
Between be provided with heat exchanger apparatus, the heat exchanger apparatus is by control device selection control by the in-vehicle air conditioner
Or the cooling device in the charging device provides coolant circulation cooling, the heat exchanger apparatus passes through the power electric again
Coolant in pool device carries out circulation cooling.
In addition, the utility model additionally provides a kind of new-energy automobile using cooling system as described above.
Using cooling system described in the utility model, solve electric automobile and filled in normal driving process and quickly
In electric process the problem of battery-heating, battery is carried out effectively to cool down, controls battery temperature, improves the usability of electrokinetic cell
Energy and life-span；Additionally the charging cable and DC-AC conversion device that easily generate heat are cooled down, solved on the whole new
The cooling problem of energy automobile, shortens the charging interval, improves the stability and reliability of the overall operation of system.
Brief description of the drawings
Fig. 1 shows the composition schematic diagram of the utility model first embodiment cooling system.
Fig. 2 shows the illustrative view of functional configuration of the utility model first embodiment cooling system.
Fig. 3 shows the illustrative view of functional configuration of the utility model first embodiment electrokinetic cell bag.
Fig. 4 shows the structural representation of the utility model first embodiment charging cable.
Fig. 5 shows the schematic diagram of the utility model second embodiment cooling system functional structure.
Fig. 6 shows the structural representation of the utility model second embodiment heat exchanger.
The explanation of reference：1-electric automobile, 2-charging pile, 3-charging cable, 11-electrokinetic cell bag, 12-
Mounted air conditioner system, 13-electrokinetic cell bag end power transmission line, 14-electrokinetic cell bag end coolant transfer line, 15-the
One electromagnetism on-off valve, the 16-the second electromagnetism on-off valve, 17-coolant expansion relief valve, 18-temperature monitoring sensor, 21-
AC/DC changeover switch, 22-air-cooled cooler, 23-charging pile end power transmission line, 24-charging pile end coolant transfer tube
Line, 25-air-cooled fan, 26-air inlet, 27-air exhaust passage, 28-display screen, 29-control panel, 131-are charged and inserted
Seat, 132-charging plug, 111-battery unit, 112-battery bag coolant inlet, 113 battery bag cooling liquid outlets,
31-power transmission storehouse, 32-signal transmission storehouse, 33-insulated enclosure bulkhead, 34-cable protection outer layer, 311-charging cable
Power transmission line, 312-charging cable coolant transmission channel, 321-signal transmssion line, 19-heat exchanger, 191-heat release
End, 192-heat absorbing end.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, below in conjunction with accompanying drawing to this
The embodiment of utility model is described in detail.It should be noted that in the case where not conflicting, embodiment in the application and
Feature in embodiment can be mutually combined.
Embodiment one
As Figure 1-4, the cooling system of new-energy automobile of the present utility model includes：Electric automobile 1, the and of charging pile 2
Charging cable 3, it is provided with charging socket or plug 131, charging cable 3 at electric automobile 1 and is provided with charging plug or socket
132, charging socket or plug 131 plug with charging plug or socket 132, and charging pile 2 is electronic vapour by charging cable 3
Car 1 charges, and conveys electric energy.
As shown in Fig. 2 the electric automobile 1 includes：Electrokinetic cell bag 11, mounted air conditioner system 12, electrokinetic cell Bao Duan
Power transmission line 13, electrokinetic cell bag end coolant transfer line 14, the first electromagnetism on-off valve 15, the second electromagnetism on-off valve 16,
Coolant expansion relief valve 17, temperature monitoring sensor 18, charging socket 131 and control unit (not shown).The He of charging socket 131
The first electromagnetism on-off valve 15, vehicle-mounted sky are provided with electrokinetic cell bag end coolant transfer line 14 between electrokinetic cell bag 11
Adjusting system 12 and lead to towards the second electromagnetism is provided between the electrokinetic cell bag end coolant transfer line 14 of electrokinetic cell bag 11
Disconnected valve 16, charging pile 2 are in parallel with mounted air conditioner system 12 to electrokinetic cell by electrokinetic cell bag end coolant transfer line 14
Bag 11 provides coolant circulation.Coolant expansion relief valve 17 and temperature monitoring sensor 18 are provided with electrokinetic cell bag 11.
Temperature monitoring sensor 18, the first electromagnetism on-off valve 15 and the second electromagnetism on-off valve 16 are connected with control unit.
As shown in Figure 2,3, electrokinetic cell bag 11 is the cold batteries of totally-enclosed liquid, including：Totally-enclosed outer case, Duo Ge electricity
Pool unit 111, coolant inlet 112 and cooling liquid outlet 113.The pipeline and outer case being interlinked to the outside in the totally-enclosed outer case
Between sealed using modes such as welding, the series connection of the multiple battery unit 111 is immersed among coolant, the battery unit
111 can use multiple battery form, the coolants such as lithium storage battery group to enter by coolant inlet 112, pass through cooling
Liquid outlet 113 outflow, by liquid by battery unit 111 work caused by heat take away.The coolant can be selected exhausted
The electronics fluorination liquid of edge or mineral oil etc..
As shown in Fig. 1,4, charging cable 3 includes：Power transmission storehouse 31, signal transmission storehouse 32, the and of insulated enclosure bulkhead 33
Cable protection outer layer 34.Charging cable power transmission line 311 and coolant transmission channel 312 are accommodated in power transmission storehouse 31, is filled
Electrical cables power transmission line 311 is immersed in the coolant in coolant transmission channel 312, and signal transmission is provided with letter in storehouse 32
Number transmission line 321.Charging cable power transmission line 311 includes live wire, zero line and ground wire, the conveying for electric energy；Signal transmits
Line 321 includes charging connection confirmation signal line and control confirmation signal line.Cable protection outer layer 34 is included by low-smoke and flame retardant elasticity
The insulating barrier of body insulating materials formation and the restrictive coating formed by low-smoke and flame retardant elastomer composite jacket material.
As shown in Figure 1, 2, charging pile 2 includes：AC/DC convertor 21, air-cooled cooler 22, charging pile end power transmission
Line 23, charging pile end coolant transfer line 24, air-cooled fan 25, air inlet 26, exhaust duct 27, display screen 28 and control
Panel 29.The air-cooled cooler 22 is that electric automobile 1 and AC/DC convertor 21 provide coolant circulation, and air-cooled cold
But the heat that coolant is brought at electric automobile 1 and AC/DC convertor 21 is passed through into air-cooled carry out heat exchange, wind at device 22
Thermantidote 25 is discharged the heat exchanged at air-cooled cooler 22 by exhaust duct by exhaust outlet.The charging pile end cooling
Coolant transmission channel 312 of the liquid transfer line 24 into the charging cable 3 provides coolant circulation.
The course of work of the cooling system of new-energy automobile is as follows：
In 1 normal driving process of electric automobile, the control unit of electric automobile 1 controls the first electromagnetism on-off valve 15 to disconnect,
Second electromagnetism on-off valve 16 is connected, and mounted air conditioner system 12 is connected with electrokinetic cell bag end coolant transfer line 14.With
The enforcement of electric automobile 1, the temperature of electrokinetic cell bag 11 are gradually increasing, and temperature monitoring sensor 18 detected electrokinetic cell at that time
When the temperature of bag 11 reaches warning temperature (such as 35 DEG C), control unit control mounted air conditioner system 12 passes through electrokinetic cell Bao Duanleng
But liquid transfer line 14 provides coolant circulation to electrokinetic cell bag 11, and the coolant is flowed into by coolant inlet 112,
Cooling liquid outlet 113 flows out, and is taken away heat caused by battery unit 111 by the circulation of coolant, control unit is according to temperature
The circulation rate for the coolant that the height control mounted air conditioner system 12 for the temperature that monitoring sensor 18 monitors is provided, temperature
Higher, circulation rate is faster, and the speed of heat exchange is also faster, so as to by the temperature control of electrokinetic cell bag 11 in safe work
Make temperature (such as 35 DEG C) below.Coolant easily expands under prolonged high-temperature condition, cold on electrokinetic cell bag 11
But liquid expansion relief valve 17 is used to eliminate this danger for expanding and bringing to electrokinetic cell bag 11, has ensured that electrokinetic cell bag 11 can
By operation.
The electric energy of electric automobile 1 deficiency, need to be connected with charging pile 2 charged when, by charging socket/plug 131 and
Charging plug/socket 132 plugs, so as to the charging cable power transmission line 311 and electrokinetic cell Bao Duan in charging cable 3
Power transmission line 13 is connected, and coolant transmission channel 312 is connected with electrokinetic cell bag end coolant transfer line 14, with this
Meanwhile the first electromagnetism on-off valve 16 is disconnected, the second electromagnetism on-off valve 15 is connected for the control unit control of electric automobile 1.Passed in signal
After charging connection confirmation signal line and control confirmation signal line justification signal in defeated line 321, charging pile 2 passes through ac-dc conversion
Device 21, charging pile end power transmission line 23, charging cable 3, electrokinetic cell bag end power transmission line 13 fill to electrokinetic cell bag 11
Electricity；The air-cooled cooler 22 of charging pile 2 is transmitted logical by the coolant of charging pile end coolant transfer line 24, charging cable 3
Road 312, electrokinetic cell bag end coolant transfer line 14 provide coolant circulation to electrokinetic cell bag 11, and the coolant is led to
Heat caused by battery unit 111 is taken away in the circulation of supercooling liquid entrance 112 and cooling liquid outlet 113, exchanges to air-cooled cold
But device 22.Here, during quick charge, not only battery unit 111 can be used for because producing substantial amounts of heat and temperature rising
The charging cable 3 of charging equally can produce substantial amounts of heat because of large current charge and temperature rises, cause the charging interval to extend with
And job insecurity, unsafe danger, in the utility model, because charging cable power transmission line 311 is equally immersed in
In coolant in coolant transmission channel 312, can effectively it be cooled down, so as to stable trouble free service.In addition,
The problem of 2 DC converter 21 is equally faced with radiating at charging pile, the air-cooled cooler 22 in the utility model
Can also be AC/DC convertor 21 provide coolant circulation, by DC converter 21 work caused by heat take away, ensure
Its normal work.At air-cooled cooler 22, air-cooled fan 25 by air-cooled cooler 22 by coolant from electric automobile 1, fill
The heat brought at electrical cables 3 and AC/DC convertor 21 is discharged by exhaust duct and charged by air-cooled carry out heat exchange
Stake.
Embodiment two
As seen in figs. 5-6, general principle is identical with embodiment one, and the difference with embodiment one is：Electrokinetic cell bag 11
It is not that heat exchange is directly carried out with mounted air conditioner system 12 or charging pile 2, but by heat exchanger 19 indirectly and on-board air conditioner
System 12 or charging pile 2 carry out heat exchange.The heat exchanger 19 includes release end of heat 191 and heat absorbing end 192, the release end of heat
191 form interior circulation, the heat absorbing end 192 and mounted air conditioner system 12 or charging pile with the coolant in electrokinetic cell bag 11
Coolant in 2 forms outer circulation, and both carry out heat exchange at heat exchanger 19, battery unit 111 is worked caused
Heat is taken away, it is ensured that electrokinetic cell bag 11 extends battery in safe working temperature (such as 35 DEG C) following safe and stable operation
Life-span.
The advantages of embodiment two, is coolant in the electrokinetic cell bag 11 of electric automobile 1 in the space of a closing
Inner loop, be not involved in mounted air conditioner system 12 or charging pile 2 coolant and circulate, because without regard to from different charging piles
Coolant compatibility issue, eliminate the risk of damage that is brought to electrokinetic cell bag 11 of compatibility of outside coolant.
Finally it should be added that, selected coolant can think higher boiling refrigerant in the utility model,
It can also be low boiling point refrigerant, but must be insulation.If from higher boiling refrigerant, electrokinetic cell bag input cold flow
Body, exports hot fluid, and refrigerant is not undergone phase transition.Hot fluid is cooled down by air-conditioning system under steam, and stake is electrically charged in charging
Interior cooling device cooling；If from low boiling point refrigerant, the boiling point of coolant is less than the safe working temperature of battery.This
When, the cold fluid of the interior input of electrokinetic cell bag, refrigerant seethes with excitement after battery-heating, undergone phase transition as refrigerant vapour, defeated
Go out gas-liquid mixture, the gas-liquid mixture is cooled down by air-conditioning system in motion, the refrigerating plant being electrically charged in charging in stake
Cooling, again as liquid, and in input power battery bag.
Although the embodiment disclosed by the utility model is as above, described content is only to facilitate understand this practicality
New and use embodiment, is not limited to the utility model.Skill in any the utility model art
Art personnel, can be in the formal and details of implementation on the premise of the spirit and scope disclosed by the utility model are not departed from
On make any modification and change, but should all fall in the protection domain of the application.
Claims (10)
- A kind of 1. cooling system of new-energy automobile, it is characterised in that the cooling system include electric automobile, charging device and Charging cable, the charging cable are used to connect the charging device and the electric automobile；The electric automobile includes power Cell apparatus, in-vehicle air conditioner and control device；The charging device includes DC-AC conversion device and cooling device；It is described Power battery device is by control device selection control by cold in the in-vehicle air conditioner or the charging device But device provides coolant circulation cooling；Cooling device in the charging device is by air-cooled fan coolling.
- 2. the cooling system of new-energy automobile according to claim 1, it is characterised in that the charging cable includes electric power Storehouse and signal transmission storehouse are transmitted, charging cable power transmission line and the transmission of charging cable coolant are accommodated in the power transmission storehouse Passage, the coolant convey in the charging cable coolant transmission channel, the charging cable power transmission line submergence In the coolant in the charging cable coolant transmission channel, signal transmssion line is accommodated in the signal transmission storehouse.
- 3. the cooling system of the new-energy automobile according to claim any one of 1-2, it is characterised in that the electrokinetic cell Device includes multiple battery units, multiple battery cells in series connections, and multiple battery units are immersed in the power In the coolant of cell apparatus.
- 4. the cooling system of the new-energy automobile according to claim any one of 1-2, it is characterised in that the electrokinetic cell Device for detecting temperature is provided with device.
- 5. the cooling system of the new-energy automobile according to claim any one of 1-2, it is characterised in that the electrokinetic cell Refrigerant expansion relief valve is provided with device.
- 6. the cooling system of the new-energy automobile according to claim any one of 1-2, it is characterised in that the charging device The DC-AC conversion device by the charging device cooling device provide coolant circulation.
- 7. the cooling system of the new-energy automobile according to claim any one of 1-2, it is characterised in that the alternating current-direct current turns The cooling device that changing device is immersed in the charging device is provided in coolant.
- 8. the cooling system of the new-energy automobile according to claim any one of 1-2, it is characterised in that the coolant is Insulate low boiling point refrigerant.
- 9. the cooling system of the new-energy automobile according to claim any one of 1-2, it is characterised in that the electrokinetic cell Heat exchanger apparatus is provided between cooling device in device and the in-vehicle air conditioner or the charging device, it is described to change Hot device device selects control to be filled by the cooling in the in-vehicle air conditioner or the charging device by the control device Put and coolant circulation cooling is provided, the heat exchanger apparatus carries out circulation by the coolant in the power battery device again and dissipated Heat.
- A kind of 10. new-energy automobile of cooling system using as described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720096612.4U CN206797067U (en) | 2017-01-25 | 2017-01-25 | The cooling system and new-energy automobile of a kind of new-energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720096612.4U CN206797067U (en) | 2017-01-25 | 2017-01-25 | The cooling system and new-energy automobile of a kind of new-energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206797067U true CN206797067U (en) | 2017-12-26 |
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ID=60729505
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720096612.4U Active CN206797067U (en) | 2017-01-25 | 2017-01-25 | The cooling system and new-energy automobile of a kind of new-energy automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN206797067U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109017407A (en) * | 2018-08-16 | 2018-12-18 | 北京新能源汽车股份有限公司 | A kind of battery heat exchange control device, charging pile and battery heat-exchange system |
| CN109552111A (en) * | 2018-12-19 | 2019-04-02 | 汽-大众汽车有限公司 | A kind of power battery register |
| CN110871696A (en) * | 2018-08-29 | 2020-03-10 | 丰田自动车株式会社 | Charging control device |
-
2017
- 2017-01-25 CN CN201720096612.4U patent/CN206797067U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109017407A (en) * | 2018-08-16 | 2018-12-18 | 北京新能源汽车股份有限公司 | A kind of battery heat exchange control device, charging pile and battery heat-exchange system |
| CN110871696A (en) * | 2018-08-29 | 2020-03-10 | 丰田自动车株式会社 | Charging control device |
| CN110871696B (en) * | 2018-08-29 | 2024-02-27 | 丰田自动车株式会社 | Charging control device |
| CN109552111A (en) * | 2018-12-19 | 2019-04-02 | 汽-大众汽车有限公司 | A kind of power battery register |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201014 Address after: 201313 room 118, building 20, no.1-42, Lane 83, Hongxiang North Road, Lingang New Zone, China (Shanghai) free trade pilot zone, Pudong New District, Shanghai Patentee after: Shanghai fenfenfen New Energy Technology Co., Ltd Address before: 100193, Shuguang building, No. 36, Zhongguancun Software Park, 8 northeast Wang Xi Road, Beijing, Haidian District Patentee before: Shen Qimeng |
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| TR01 | Transfer of patent right |