CN108832226A - A kind of power battery cooling device for new-energy automobile - Google Patents
A kind of power battery cooling device for new-energy automobile Download PDFInfo
- Publication number
- CN108832226A CN108832226A CN201810602619.8A CN201810602619A CN108832226A CN 108832226 A CN108832226 A CN 108832226A CN 201810602619 A CN201810602619 A CN 201810602619A CN 108832226 A CN108832226 A CN 108832226A
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- Prior art keywords
- cooling
- cooling material
- control unit
- holding vessel
- new
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M10/63—Control systems
-
- 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
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- 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
- H01M10/6595—Means for temperature control structurally associated with the cells by chemical reactions other than electrochemical reactions of the cells, e.g. catalytic heaters or burners
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
The present invention provides a kind of power battery cooling device for new-energy automobile applied to new-energy automobile parts technical field,Cooling material holding vessel (12) side setting telescopic cylinder I (13) being arranged on the water tank (2) of the power battery cooling device for new-energy automobile,The telescopic rod (14) of telescopic cylinder I (13) extends in cooling material holding vessel (12),Telescopic rod I (14) extends to the installation of one end in cooling material holding vessel (12) piston (15),The blanking hole (16) of setting connection water tank (2) on cooling material holding vessel (12),Telescopic cylinder I (13) is connect with control unit (11),Power battery cooling device for new-energy automobile of the invention,In new-energy automobile power battery work,Can the temperature to battery reliably cooled down,Ensure that power battery works in reliable temperature range always,Improve power battery course continuation mileage and service life,Electric energy inoperative is avoided to consume.
Description
Technical field
The invention belongs to new-energy automobile parts technical fields, are to be related to one kind for new energy vapour more specifically
The power battery cooling device of vehicle.
Background technique
The aggravation of the problems such as with environmental pollution and energy shortage, new-energy automobile development are extremely rapid.Currently, new energy
Automobile is divided into pure electric automobile and hybrid vehicle, and be energy automobile mostly be using lithium-ion-power cell as power source.
And due to the restriction of battery technology development, battery durable mileage is limited, and battery during the work time can because temperature is excessively high and
Cause course continuation mileage insufficient, or even reduces battery.
Summary of the invention
The technical problem to be solved by the present invention is to：In view of the deficiencies of the prior art, it is simple to provide a kind of structure, in new energy
When source automobile power cell works, reliably monitoring and cooling can be carried out to the temperature of battery, it is ensured that power battery is always can
It works by temperature range, effectively improves power battery course continuation mileage and service life, avoid electric energy inoperative from consuming, improve new energy
The power battery cooling device for new-energy automobile of source automobile overall performance.
Solve the problems, such as techniques discussed above, the technical scheme adopted by the invention is as follows：
The present invention is a kind of power battery cooling device for new-energy automobile, the moving for new-energy automobile
Power battery cooling apparatus includes battery body, water tank, and battery body is mounted in battery case, and battery case is mounted on automobile
On chassis, cooling cavities is set, water tank is connected to by outlet pipe with the water inlet of cooling cavities, cooling cavities on battery case
Water outlet be connected to the water inlet pipe of water tank, water pump is set on outlet pipe, temperature sensor is set in cooling cavities, temperature passes
Sensor and water pump are connect with control unit respectively；Cooling material holding vessel is set on water tank, and cooling material holding vessel side is set
Telescopic cylinder I is set, the telescopic rod of telescopic cylinder I extends in cooling material holding vessel, and telescopic rod I extends to cooling material storage
Piston is installed in one end in tank, the blanking hole of setting connection water tank, telescopic cylinder I and control unit on cooling material holding vessel
Connection.
The water tank includes water tank upper plate, and cooling material holding vessel is set as section and is square or round knot
Structure, cooling material holding vessel is interior to fill cooling material, and cooling material holding vessel lower surface is fixedly connected with water tank upper plate, cold
But cooling material inlet is arranged in substance holding vessel upper surface, installation inlet blocking in cooling material inlet.
The cooling material storage top tank structure setting connection sheet metal I, connection sheet metal I are positioned close to cooling material
The holding vessel other side, piston side setting connection sheet metal II, connection sheet metal I and be connected to sheet metal II respectively with control unit
It connects, alarm device is also set up on control unit, when connection sheet metal I is with the contact of sheet metal II is connected to, control unit is arranged to
Enough control the structure that alarm device sounds an alarm sound.
Extensible member II is also set up on the water tank, plate is closed in II end of the telescopic rod setting of extensible member II,
When the telescopic rod II that control unit does not control extensible member II stretches out, closing plate is configured to the structure of closing blanking hole,
When the telescopic rod II that control unit controls extensible member II stretches out, closing plate is configured to leave blanking hole, so that blanking
Hole is in the structure of opening state.
When the telescopic rod I that control unit controls telescopic cylinder I stretches out, control unit is set as synchronously control extensible member II
Telescopic rod II stretch out structure, control unit control telescopic cylinder I telescopic rod I shrink when, control unit is set as synchronous
The telescopic rod II of control extensible member II is retracted to the structure of initial position.
The temperature sensor is configured to feed back the structure of the intracorporal water temperature numerical value of cooling chamber, control to control unit
Component processed is configured to the flexible structure of control telescopic cylinder；The control unit is set as being stored with cooling cavities standard
The structure of water temperature numerical value.
The intracorporal cooler-water temperature numerical value of the cooling chamber that the temperature sensor is fed back to control unit is higher than standard water
When warm numerical value, control unit is configured to the structure that the telescopic rod I of control telescopic cylinder I stretches out, and control unit control is flexible
When the telescopic rod I of cylinder I stretches out, telescopic rod I is configured to push the structure of piston press cooling material.
The control unit is set as being stored with the structure that duration numerical value is stretched out after telescopic cylinder I stretches out, and stretches
Cylinder I reaches stretching duration numerical value after stretching out after, the telescopic rod I that control unit is configured to control telescopic cylinder I is received
It is reduced to the structure of the initial position before stretching out.
The cooling material stored in the cooling material storage tank is potassium nitrate.
Using technical solution of the present invention, beneficial effect below can be obtained：
Power battery cooling device of the present invention for new-energy automobile, is needing to water tank and cooling cavities
It when interior cooling water temperature, is stretched out by the telescopic rod I that control unit controls telescopic cylinder I, band piston when telescopic rod I stretches out
It is mobile, it pushes and squeezes cooling material in cooling material holding vessel, cooling material is mobile to close feed opening direction, and pushing
In extrusion process, the cooling material positioned at feed opening top position can be fallen from feed opening, to fall into water tank, due to cold
But the heat absorption capacity of substance, the substance are reacted with cooling water, are absorbed heat to cooling water, realize cooling purpose.It is of the present invention
The power battery cooling device for new-energy automobile, new-energy automobile power battery work when, can be to the temperature of battery
Degree carries out reliably monitoring and cooling, it is ensured that power battery works in reliable temperature range always, effectively improves power battery continuation of the journey
Mileage and service life avoid electric energy inoperative from consuming, and improve new-energy automobile overall performance.
Detailed description of the invention
Brief description is made to content expressed by each attached drawing of this specification and the label in figure below：
Fig. 1 is the structural schematic diagram of the power battery cooling device of the present invention for new-energy automobile；
Fig. 2 is the cooling material storage tank position of the power battery cooling device of the present invention for new-energy automobile
Enlarged structure schematic diagram；
Attached drawing acceptance of the bid, which is remembered, is respectively：1, battery body；2, water tank；3, battery case；4, cooling cavities；5, outlet pipe；
6, water inlet；7, water outlet；8, water inlet pipe；9, water pump；10, temperature sensor；11, control unit；12, cooling material stores
Tank；13, telescopic cylinder I；14, telescopic rod I；15, piston；16, blanking hole；17, water tank upper plate；18, cooling material injects
Mouthful；19, inlet blocks；20, it is connected to sheet metal I；21, it is connected to sheet metal II；22, extensible member II；23, telescopic rod II；24,
Close plate.
Specific embodiment
Below against attached drawing, by the description of the embodiment, to for example related each structure of a specific embodiment of the invention
The works such as the shape of part, construction, the mutual alignment between each section and connection relationship, the effect of each section and working principle are further
Detailed description：
As shown in Fig. 1, the present invention is a kind of power battery cooling device for new-energy automobile, and described being used for is new
The power battery cooling device of energy automobile includes battery body 1, water tank 2, and battery body 1 is mounted in battery case 3, electricity
Pond shell 3 is mounted on automobile chassis, and cooling cavities 4 is arranged on battery case 3, and water tank 2 passes through outlet pipe 5 and cooling cavities
4 water inlet 6 is connected to, and the water outlet 7 of cooling cavities 4 is connected to the water inlet pipe 8 of water tank 2, and water pump 9 is arranged on outlet pipe 5, cold
Temperature sensor 10 is but set in cavity 4, and temperature sensor 10 and water pump 9 are connect with control unit 11 respectively；It is set on water tank 2
Cooling material holding vessel 12 is set, telescopic cylinder I 13, the telescopic rod 14 of telescopic cylinder I 13 is arranged in 12 side of cooling material holding vessel
It extends in cooling material holding vessel 12, telescopic rod I 14 extends to the installation of one end in cooling material holding vessel 12 piston 15, cold
The blanking hole 16 of connection water tank 2 is but set on substance holding vessel 12, and telescopic cylinder I 13 is connect with control unit 11.Above-mentioned knot
Structure passes through the telescopic rod that control unit controls telescopic cylinder I when needing to water tank and the intracorporal cooling water temperature of cooling chamber
I stretches out, and band piston is mobile when telescopic rod I stretches out, and pushes and squeezes cooling material in cooling material holding vessel 12, by cooling material
It is mobile to close feed opening direction, and in pushing extrusion process, the cooling material positioned at feed opening top position can be from blanking
Mouth is fallen, and is fallen into water tank, due to the heat absorption capacity of cooling material, which reacts with cooling water, inhale to cooling water
Heat realizes cooling purpose.Power battery cooling device of the present invention for new-energy automobile, in new-energy automobile power
When battery works, reliably monitoring and cooling can be carried out to the temperature of battery, it is ensured that power battery is always in reliable temperature range
Work, effectively improves power battery course continuation mileage and service life, and electric energy inoperative is avoided to consume, and it is whole to improve new-energy automobile
Performance.
The water tank 2 includes water tank upper plate 17, and cooling material holding vessel 12 is set as section and is square or justifies
Shape structure, cooling material holding vessel 12 is interior to fill cooling material, 12 lower surface of cooling material holding vessel and water tank upper plate 17
It is fixedly connected, cooling material inlet 18 is arranged in 12 upper surface of cooling material holding vessel, installation note in cooling material inlet 18
Blocked inlet 19.Above structure can return to initial position after telescopic cylinder I stretches out once again, and when stretching next time, weight
It is new to push cooling material.And telescopic cylinder I stretch out cooling material is expressed to cooling material holding vessel 12 after, at this time stretch gas
Cylinder is shown to push being pressed into place by opposition, and the telescopic cylinder of control unit control at this time does not continue to stretch out.And it cools down
It when substance deficiency, can be added by cooling material inlet, sealing process is played in inlet blocking.
As shown in Fig. 2,12 inner wall of cooling material holding vessel setting connection sheet metal I 20, is connected to sheet metal I 20
It is positioned close to 12 other side of cooling material holding vessel, setting connection sheet metal II 21 in 15 side of piston is connected to I 20 He of sheet metal
Connection sheet metal II 21 is connect with control unit 11 respectively, and alarm device is also set up on control unit 11, is connected to sheet metal I 20 and is connected
When logical sheet metal II 21 contacts, control unit 11 is configured to the structure that control alarm device sounds an alarm sound.Above structure,
When being connected to sheet metal I 20 and being connected to the contact of sheet metal II 21, show cooling material surplus in cooling material holding vessel 12 not
Foot.At this moment, connection sheet metal I 20 is contacted with sheet metal II 21 is connected to, and sends signal, control unit drives alarm device to issue at this time
Alarm.
Extensible member II 22 is also set up on the water tank 2, envelope is arranged in II 23 end of telescopic rod of extensible member II 22
Closing plate part 24, when the telescopic rod II 23 that control unit 11 does not control extensible member II 22 stretches out, closing plate 24 is configured to
The structure of blanking hole 16 is closed, when the telescopic rod II 23 that control unit 11 controls extensible member II 22 stretches out, closing plate 24 is set
Blanking hole 16 can be left by being set to, so that blanking hole 16 is in the structure of opening state.Control unit 11 controls telescopic cylinder I 13
Telescopic rod I 14 stretch out when, control unit 11 be set as synchronously control extensible member II 22 telescopic rod II 23 stretch out structure,
When the telescopic rod I 14 that control unit 11 controls telescopic cylinder I 13 is shunk, control unit 11 is set as synchronously control extensible member II
22 telescopic rod II 23 is retracted to the structure of initial position.Above structure, when or else needing to add cooling material, closing class's part envelope
Feed opening is closed, cooling material is avoided to fall into water tank, the water of water tank is also avoided to enter cooling material holding vessel 12, to play
Sealing function.And when needing to add cooling material into water tank, control unit can drive the flexible of telescopic cylinder I 13 simultaneously
II 23 synchronization action of telescopic rod of bar I 14 and extensible member II 22 squeezes cooling material to realize on one side, opens blanking on one side
Mouthful, reliable fit.
The temperature sensor 10 is configured to feed back the knot of the water temperature numerical value in cooling cavities 4 to control unit 11
Structure, control unit 11 are configured to the flexible structure of control telescopic cylinder 13；The control unit 11 is set as being stored with
The structure of 4 standard water temperature numerical value of cooling cavities.Above structure, temperature sensor monitor the intracorporal water temperature of cooling chamber, and temperature is higher than
When standard water temperature numerical value, for temperature sensor to control unit feedback signal, control unit controls the telescopic rod I of telescopic cylinder I again
It stretches out, carries out cooling material addition.
The cooler-water temperature numerical value in cooling cavities 4 that the temperature sensor 10 is fed back to control unit 11 is higher than mark
When quasi- water temperature numerical value, control unit 11 is configured to the structure that the telescopic rod I 14 of control telescopic cylinder I 13 stretches out, control unit
When the telescopic rod I 14 that part 11 controls telescopic cylinder I 13 stretches out, telescopic rod I 14 is configured to that piston 15 is pushed to squeeze cooled material
The structure of matter.Above structure, it is mobile by telescopic cylinder band piston when needing to cooling water temperature, cooling material is squeezed, it will
Cooling material is pressed into place in feed opening top position, and then cooling material falls into water tank from feed opening, is contacted with cooling water,
Realize cooling.
The control unit 11 is set as being stored with the structure that duration numerical value is stretched out after telescopic cylinder I 13 stretches out,
Telescopic cylinder I 13 reaches stretching duration numerical value after stretching out after, control unit 11 is configured to control telescopic cylinder I 13
Telescopic rod I 14 is retracted to the structure of the initial position before stretching out.Above structure, control unit control the flexible work one of telescopic cylinder
After secondary, water tank and the intracorporal cooling water of cooling chamber realize by cooling material and cool down that then telescopic cylinder I is retracted to initial bit
It sets, convenient for work of stretching next time.
The cooling material stored in the cooling material storage tank 12 is potassium nitrate.Above structure, potassium nitrate are existing
Substance in technology, which can react after contacting with water, so that the heat in water can be absorbed, have and cool down to water
Effect.In the present invention, it is any contacted with water after the liquid or solid matter that can absorb heat, all can serve as in the present invention
Cooling material.Cooling material additional amount according to the water and cooling temperature range of cooling water in water tank control actual demand into
Row selection.This is that those skilled in the art can complete.
Above in conjunction with attached drawing, an exemplary description of the invention, it is clear that concrete implementation of the present invention is not by above-mentioned
The limitation of mode, as long as using the various improvement that the inventive concept and technical scheme of the present invention carry out, or not improved by this
The conception and technical scheme of invention directly apply to other occasions, are within the scope of the invention.
Claims (5)
1. a kind of power battery cooling device for new-energy automobile, it is characterised in that：It is described for new-energy automobile
Power battery cooling device includes battery body (1), water tank (2), and battery body (1) is mounted in battery case (3), battery
Shell (3) is mounted on automobile chassis, on battery case (3) be arranged cooling cavities (4), water tank (2) by outlet pipe (5) with
The water inlet (6) of cooling cavities (4) is connected to, and the water outlet (7) of cooling cavities (4) is connected to the water inlet pipe (8) of water tank (2),
Water pump (9) are set on outlet pipe (5), temperature sensor (10) are set in cooling cavities (4), temperature sensor (10) and water pump
(9) it is connect respectively with control unit (11)；Cooling material holding vessel (12) are set on water tank (2), cooling material holding vessel
(12) side setting telescopic cylinder I (13), the telescopic rod (14) of telescopic cylinder I (13) extend to cooling material holding vessel (12)
Interior, telescopic rod I (14) extends to the installation of one end in cooling material holding vessel (12) piston (15), cooling material holding vessel (12)
The blanking hole (16) of upper setting connection water tank (2), telescopic cylinder I (13) are connect with control unit (11)；The water tank
It (2) include water tank upper plate (17), cooling material holding vessel (12) is set as section and is square or circular configuration, cooling material
Cooling material is filled in holding vessel (12), cooling material holding vessel (12) lower surface is fixedly connected with water tank upper plate (17),
Cooling material inlet (18) are arranged in cooling material holding vessel (12) upper surface, and inlet is installed in cooling material inlet (18)
It blocks (19).
2. the power battery cooling device according to claim 1 for new-energy automobile, it is characterised in that：The temperature
Degree sensor (10) is configured to feed back the structure of the water temperature numerical value in cooling cavities (4), control unit to control unit (11)
Part (11) is configured to the flexible structure of control telescopic cylinder (13)；The control unit (11) is set as being stored with cooling
The structure of cavity (4) standard water temperature numerical value.
3. the power battery cooling device according to claim 1 or 2 for new-energy automobile, it is characterised in that：It is described
Cooler-water temperature numerical value of the temperature sensor (10) into the cooling cavities (4) that control unit (11) is fed back be higher than standard water temperature
When numerical value, control unit (11) is configured to the structure that the telescopic rod I (14) of control telescopic cylinder I (13) stretches out, control unit
When the telescopic rod I (14) that part (11) controls telescopic cylinder I (13) stretches out, telescopic rod I (14) is configured to push piston (15)
Squeeze the structure of cooling material.
4. the power battery cooling device according to claim 3 for new-energy automobile, it is characterised in that：The control
Component (11) processed is set as being stored with the structure that duration numerical value is stretched out after telescopic cylinder I (13) stretches out, telescopic cylinder I (13)
Reach after stretching out duration numerical value after stretching, control unit (11) is configured to the telescopic rod I of control telescopic cylinder I (13)
(14) it is retracted to the structure of the initial position before stretching out.
5. the power battery cooling device according to claim 1 or 2 for new-energy automobile, it is characterised in that：It is described
Cooling material storage tank (12) in store cooling material be potassium nitrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810602619.8A CN108832226A (en) | 2018-06-12 | 2018-06-12 | A kind of power battery cooling device for new-energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810602619.8A CN108832226A (en) | 2018-06-12 | 2018-06-12 | A kind of power battery cooling device for new-energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108832226A true CN108832226A (en) | 2018-11-16 |
Family
ID=64143891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810602619.8A Withdrawn CN108832226A (en) | 2018-06-12 | 2018-06-12 | A kind of power battery cooling device for new-energy automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN108832226A (en) |
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-
2018
- 2018-06-12 CN CN201810602619.8A patent/CN108832226A/en not_active Withdrawn
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|---|---|---|---|---|
| CN200947442Y (en) * | 2006-09-15 | 2007-09-12 | 江苏华富能源股份有限公司 | Pressure-type mechanical glue-pouring machine |
| WO2012032272A1 (en) * | 2010-09-09 | 2012-03-15 | Peugeot Citroën Automobiles SA | Battery comprising a temperature balancing plate |
| CN207273785U (en) * | 2017-03-10 | 2018-04-27 | 重庆前卫毅美模塑科技有限公司 | Cooling water temperature control device for injection molding machine |
| CN206685511U (en) * | 2017-04-27 | 2017-11-28 | 天津永汇联诺汽车用品科技股份有限公司 | A kind of automobile batteries heat abstractor |
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| Title |
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| 中国石油大学（华东）化学工程学院: "《注册石油天然气工程师执业资格考试专业基础考试复习教程》", 31 October 2014, 天津大学出版社 * |
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Effective date of registration: 20191031 Address after: 241009 Foreign Student Building D332, Science Creation Center, Wuhu Economic and Technological Development Zone, Wuhu City, Anhui Province Applicant after: Wuhu Changhong Engineering Technology Co., Ltd. Address before: 241100 Jinyuan Village, Wan Zhen Town, Wuhu County, Wuhu, Anhui (formerly three yuan town government office building) Applicant before: Wuhu ETUDE Electromechanical Technology Co., Ltd. |
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Application publication date: 20181116 |
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