CN109304893A - A kind of area battery pole piece Kong Bo heating device - Google Patents
A kind of area battery pole piece Kong Bo heating device Download PDFInfo
- Publication number
- CN109304893A CN109304893A CN201811310162.XA CN201811310162A CN109304893A CN 109304893 A CN109304893 A CN 109304893A CN 201811310162 A CN201811310162 A CN 201811310162A CN 109304893 A CN109304893 A CN 109304893A
- Authority
- CN
- China
- Prior art keywords
- electromagnetism
- pole piece
- battery pole
- cooling water
- copper bar
- Prior art date
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 28
- 239000002826 coolant Substances 0.000 claims abstract description 42
- 239000000498 cooling water Substances 0.000 claims abstract description 24
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims description 37
- 229910052802 copper Inorganic materials 0.000 claims description 37
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 36
- 239000004020 conductor Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000003801 milling Methods 0.000 abstract description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000009490 roller compaction Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/34—Heating or cooling presses or parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B3/00—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Road Signs Or Road Markings (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of area battery pole piece Kong Bo heating devices, including pedestal, mobile shell, block occurs for electromagnetism, coolant intake pipe, coolant outlet hose, accessing port, outgoing interface is located on mobile shell upper surface, coolant intake pipe, coolant outlet hose one end respectively with accessing port, outgoing interface connection, electromagnetism occurs to be equipped with cooling water cavity and electromagnetism accommodating chamber in block, cooling water cavity is located at the periphery of electromagnetism accommodating chamber, coolant intake pipe, the coolant outlet hose other end is connected to cooling water cavity respectively, the electromagnetic coil connected to power supply is installed in electromagnetism accommodating chamber.It is an advantage of the invention that can heat to the area battery pole piece Kong Bo due to being equipped with electromagnetic coil, the softening of the area Shi Kongbo, after crossing roller and milling roller, the area Kong Bo sufficiently extends, and prevents battery pole piece from the bad orders phenomenon such as fold occur in the area Kong Bo;Due to being equipped with coolant intake pipe and coolant outlet hose, flowing has cooling water in cooling water pipe, effectively controls the temperature that block occurs for electromagnetism.
Description
Technical field
The present invention relates to electrodes of lithium-ion batteries heating equipment fields, heat more particularly to a kind of area battery pole piece Kong Bo
Device.
Background technique
For lithium ion battery during manufacture and use, roll to pole piece after coating is one of very important work
Sequence, there is extension in pole piece material area in roller compaction process, and due to thinner thickness, roller is rolled less than the area Kong Bo cannot be abundant in the area Kong Bo
Extend, leads to the area Kong Bo fold, the pole piece of fold can seriously affect the qualification rate and safety of lithium ion battery.
Summary of the invention
Goal of the invention: in view of the above-mentioned problems, the object of the present invention is to provide a kind of area battery pole piece Kong Bo heating device, with
The technical issues of solving pole piece fold.
Technical solution:
A kind of area battery pole piece Kong Bo heating device, including pedestal, mobile shell, electromagnetism occur block, coolant intake pipe,
Coolant outlet hose is equipped with the mobile shell on the pedestal, and accessing port, outgoing interface are located at the mobile shell upper surface
On, the coolant intake pipe, described coolant outlet hose one end are connect with the accessing port, the outgoing interface respectively, described
Electromagnetism occurs to be equipped with cooling water cavity and electromagnetism accommodating chamber in block, and the cooling water cavity is located at the periphery of the electromagnetism accommodating chamber, institute
State coolant intake pipe, the coolant outlet hose other end is connected to the cooling water cavity respectively, in the electromagnetism accommodating chamber
The electromagnetic coil connected to power supply is installed.Due to being equipped with electromagnetic coil, electromagnetic heating can be carried out to the area battery pole piece Kong Bo,
The softening of the area Shi Kongbo, after crossing roller and milling roller, the area Kong Bo can sufficiently extend, and prevent battery pole piece from fold occur in the area Kong Bo
Etc. bad orders the phenomenon that;Due to being equipped with coolant intake pipe and coolant outlet hose, flowing has cooling water in cooling water pipe, can
Effectively to control the temperature that block occurs for electromagnetism, prevents electromagnetism generation block to be heated at high temperature and burn out, improve the use that block occurs for electromagnetism
Service life.
In one of the embodiments, further include two copper bars being correspondingly arranged, is equipped with insulation between two copper bars
Piece, two copper bar upper ends are connected on the mobile shell, and two copper bar lower ends are connected with the electromagnetism hair
Raw block.Due to setting there are two copper bar, copper bar can play the role of conductive and armoured magnetic field, since copper bar shields electromagnetic induction
Magnetic field can be to avoid the entire area battery pole piece Kong Bo heating device during electromagnetic heating so copper bar is unable to self-heating
Temperature increase.
The copper bar is inverted L shape copper bar in one of the embodiments, is equipped with inverted L shape groove in the copper bar, it is described fall
The coolant intake pipe or coolant outlet hose are placed in L-type groove.Due to being equipped with inverted L shape groove, put in inverted L shape groove
Coolant intake pipe or coolant outlet hose are set, cooling water and copper bar can be made non-interference, structure is more reasonable.
Positive wire connector is respectively equipped on the two relative side of the mobile shell in one of the embodiments, is born
Polar conductor connector, the positive wire in the positive wire connector connect after passing through the mobile shell with a copper bar upper end
It connects, the cathode conductor in the cathode conductor connector is connect after passing through the mobile shell with copper bar upper end described in another.
The pedestal is equipped with manual XY to slide unit in one of the embodiments, and the manual XY is installed on slide unit
There is the mobile shell.
The utility model has the advantages that compared with prior art, it is an advantage of the invention that due to being equipped with electromagnetic coil, it can be to battery pole piece
The area Kong Bo carries out electromagnetic heating, and the softening of the area Shi Kongbo, after crossing roller and milling roller, the area Kong Bo can sufficiently extend in the area Kong Bo,
Prevent battery pole piece from the phenomenon that bad orders such as fold occur;Block occurs for electromagnetism due to long-term close to the heating area Hou Kongbo, electricity
Magnetic coil be powered when itself internal resistance caused by fever, cause electromagnetism occur deblocking temperature it is higher, due to be equipped with coolant intake pipe and
Coolant outlet hose, the interior flowing of cooling water pipe have cooling water, can effectively control the temperature that block occurs for electromagnetism, prevent electromagnetism
Block, which is heated at high temperature, to be burnt out, and the service life that block occurs for electromagnetism is improved;In addition, transient heating may be implemented in electromagnetic heating, significantly
Preheating time is shortened, improves production efficiency, and electromagnetic heating belongs to cleaning heating method, it is environmentally friendly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the area battery pole piece Kong Bo heating device of the invention;
Fig. 2 is the structural schematic diagram of another angle of the area battery pole piece Kong Bo heating device of the invention;
Fig. 3 is the main view of Fig. 1;
Fig. 4 is the partial enlarged view of Fig. 3;
Fig. 5 is the top view of Fig. 1;
Structural schematic diagram when Fig. 6 is battery pole piece Kong Bo area's heating device work of the invention when the heating area Kong Bo;
In figure, block, 301- cooling water occur for 1- pedestal, 2- mobile shell, 201- accessing port, 202- outgoing interface, 3- electromagnetism
Chamber, 302- electromagnetism accommodating chamber, 4- coolant intake pipe, 5- coolant outlet hose, 6- copper bar, 601- inverted L shape groove, 7- insulation
Piece, 8- positive wire connector, 9- cathode conductor connector, the manual XY of 10- to slide unit, 11- electromagnetic coil, 100- battery pole piece,
The area 110- Kong Bo, 200- roll.
Specific embodiment
Fig. 1~5, a kind of area battery pole piece Kong Bo heating device, including pedestal 1, mobile shell 2, electromagnetism is please referred to occur
5, two block 3, coolant intake pipe 4, coolant outlet hose copper bars 6, pedestal 1 are equipped with manual XY to slide unit 10, manual XY to
Mobile shell 2 is installed on slide unit 10, is separately connected on a side of mobile shell 2 with two 6 upper ends of copper bar, mobile shell
Accessing port 201 and outgoing interface 202 are installed, copper bar 6 is inverted L shape copper bar 6, is equipped with insulation between two copper bars 6 on 2 upper surface
Piece 7, the lower end of copper bar 6 are equipped with electromagnetism and block 3 occur, and electromagnetism occurs to be equipped with cooling water cavity 301, electromagnetism accommodating chamber 302 in block 3, cold
But water cavity 301 is located at the periphery of electromagnetism accommodating chamber 302, and cooling water cavity 301 and coolant intake pipe 4, coolant outlet hose 5 connect
It is logical, the electromagnetic coil 11 connected to power supply is installed in electromagnetism accommodating chamber 302.Coolant intake pipe 4, coolant outlet hose 5 can
To effectively prevent electromagnetism that 3 burning of block occurs, the consistency of temperature can be effectively controlled.Wherein, manual XY is conventional to slide unit 10
Manual XY realizes the moving back and forth in X-direction, Y-direction of mobile shell 2 to handle, Y-direction handle to slide unit, by rotation X.Its
In, X-direction is the length direction that block 3 occurs for electromagnetism, and Y-direction is the width direction that block 3 occurs for electromagnetism.
Wherein, 2 upper surface of mobile shell is equipped with accessing port 201 and outgoing interface 202, the two relative side of mobile shell 2
On be respectively equipped with positive wire connector 8, cathode conductor connector 9, positive wire is equipped in positive wire connector 8, cathode conductor connects
Cathode conductor is equipped in first 9.
Wherein, it is equipped with inverted L shape groove 601 in copper bar 6, coolant intake pipe 4 or cooling is placed in inverted L shape groove 601
Water delivery pipe 5 is placed with coolant intake pipe 4 in a copper bar 6, is placed with coolant outlet hose 5 in another copper bar 6, and two
A 6 upper end of copper bar is connect with positive wire, cathode conductor respectively, and two 6 lower ends of copper bar are connect with 11 both ends of electromagnetic coil respectively,
Electromagnetism occurs 3 outer surface of block and is equipped with insulating layer, to prevent copper bar 6 and electromagnetism from 3 outer surface electrical contact of block occurs, influences electromagnetism
The normal power-up of coil 11.
Referring to Fig. 6, the working principle of the area above-mentioned battery pole piece Kong Bo heating device are as follows: battery pole piece 100 is in roll 200
Electromagnetism generation block 3 is moved in the area Kong Bo 110 of battery pole piece 100 by upper transmission, the movement by manual XY to slide unit 10
Side, 201 one end of accessing port connect cooling water water source, and the other end connects coolant intake pipe 4, and outgoing interface 202 is connected to cooling water
Recycling bins open accessing port 201, flow cooling water in coolant intake pipe 4, cooling water cavity 301, coolant outlet hose 5,
Positive wire, cathode conductor are powered, it is conductive by two copper bars 6, so that electromagnetic coil 11 is worked, electricity is carried out to the area Kong Bo 110
Magnetic heating, the temperature for keeping electromagnetism that block 3 occurs are maintained at steady temperature, will not cause electromagnetism that block 3 occurs since temperature is too high
It burns out, while can guarantee that the area Kong Bo 110 sufficiently extends, prevent battery pole piece from the bad phenomenon such as fold occur.
Claims (5)
1. a kind of area battery pole piece Kong Bo heating device, which is characterized in that occur including pedestal (1), mobile shell (2), electromagnetism
Block (3), coolant intake pipe (4), coolant outlet hose (5) are equipped with the mobile shell (2) on the pedestal (1), into connecing
Mouth (201), outgoing interface (202) are located on the mobile shell (2) upper surface, the coolant intake pipe (4), the cooling water
Efferent duct (5) one end is connect with the accessing port (201), the outgoing interface (202) respectively, and the electromagnetism occurs to set in block (3)
There are cooling water cavity (301) and electromagnetism accommodating chamber (302), the cooling water cavity (301) is located at the outer of the electromagnetism accommodating chamber (302)
It enclosing, the coolant intake pipe (4), the coolant outlet hose (5) other end are connected to the cooling water cavity (301) respectively,
The electromagnetic coil (11) connected to power supply is installed in the electromagnetism accommodating chamber (302).
2. a kind of area battery pole piece Kong Bo according to claim 1 heating device, which is characterized in that further include two correspondences
The copper bar (6) of setting is equipped with insulating trip (7) between two copper bars (6), and two copper bar (6) upper ends are connected to
On the mobile shell (2), two copper bar (6) lower ends are connected with the electromagnetism and block (3) occur.
3. a kind of area battery pole piece Kong Bo according to claim 2 heating device, which is characterized in that the copper bar (6) is
Inverted L shape copper bar, the copper bar (6) is interior to be equipped with inverted L shape groove (601), is placed with the cooling in the inverted L shape groove (601)
Water inlet pipe (4) or the coolant outlet hose (5).
4. a kind of area battery pole piece Kong Bo according to claim 2 heating device, which is characterized in that the mobile shell
(2) positive wire connector (8), cathode conductor connector (9), the positive wire connector (8) are respectively equipped on two relative side
Interior positive wire passes through the mobile shell (2) and connect afterwards with copper bar (6) upper end, the cathode conductor connector
(9) cathode conductor in passes through the mobile shell (2) and connect afterwards with copper bar described in another (6) upper end.
5. a kind of area battery pole piece Kong Bo according to claim 1 heating device, which is characterized in that on the pedestal (1)
Equipped with manual XY to slide unit (10), the manual XY is equipped with the mobile shell (2) on slide unit (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811310162.XA CN109304893B (en) | 2018-11-06 | 2018-11-06 | Empty foil area heating device of battery pole piece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811310162.XA CN109304893B (en) | 2018-11-06 | 2018-11-06 | Empty foil area heating device of battery pole piece |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109304893A true CN109304893A (en) | 2019-02-05 |
CN109304893B CN109304893B (en) | 2024-05-24 |
Family
ID=65221842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811310162.XA Active CN109304893B (en) | 2018-11-06 | 2018-11-06 | Empty foil area heating device of battery pole piece |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109304893B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110621092A (en) * | 2019-09-09 | 2019-12-27 | 深圳市赢合科技股份有限公司 | Battery pole piece heating system and heating method |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202095122U (en) * | 2011-06-03 | 2011-12-28 | 上海联净电子科技有限公司 | Water cooling type electromagnetic induction heating roller |
CN202275887U (en) * | 2011-09-20 | 2012-06-13 | 宜春青山能源有限公司 | Lithium ion power battery pole piece wrinkle resistant roller |
CN203686493U (en) * | 2013-12-13 | 2014-07-02 | 中国航空工业集团公司北京航空精密机械研究所 | Cross sliding table for finely adjusting equipment position |
US20150280208A1 (en) * | 2014-03-26 | 2015-10-01 | Hitachi, Ltd. | Method and apparatus for manufacturing negative electrode for lithium-ion secondary battery, negative electrode for lithium-ion secondary battery, and lithium-ion secondary battery |
CN205553340U (en) * | 2016-05-03 | 2016-09-07 | 林坤 | Hot press heating device and be equipped with this heating device's hot press |
CN207447879U (en) * | 2017-11-17 | 2018-06-05 | 山东省轻工工程学校 | A kind of two-dimentional cross slid platform of small portable teaching |
CN207967163U (en) * | 2018-03-10 | 2018-10-12 | 浙江衡远新能源科技有限公司 | A kind of pole piece heating device of lithium ion battery |
CN209580633U (en) * | 2018-11-06 | 2019-11-05 | 力信(江苏)能源科技有限责任公司 | A kind of area battery pole piece Kong Bo heating device |
-
2018
- 2018-11-06 CN CN201811310162.XA patent/CN109304893B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202095122U (en) * | 2011-06-03 | 2011-12-28 | 上海联净电子科技有限公司 | Water cooling type electromagnetic induction heating roller |
CN202275887U (en) * | 2011-09-20 | 2012-06-13 | 宜春青山能源有限公司 | Lithium ion power battery pole piece wrinkle resistant roller |
CN203686493U (en) * | 2013-12-13 | 2014-07-02 | 中国航空工业集团公司北京航空精密机械研究所 | Cross sliding table for finely adjusting equipment position |
US20150280208A1 (en) * | 2014-03-26 | 2015-10-01 | Hitachi, Ltd. | Method and apparatus for manufacturing negative electrode for lithium-ion secondary battery, negative electrode for lithium-ion secondary battery, and lithium-ion secondary battery |
CN205553340U (en) * | 2016-05-03 | 2016-09-07 | 林坤 | Hot press heating device and be equipped with this heating device's hot press |
CN207447879U (en) * | 2017-11-17 | 2018-06-05 | 山东省轻工工程学校 | A kind of two-dimentional cross slid platform of small portable teaching |
CN207967163U (en) * | 2018-03-10 | 2018-10-12 | 浙江衡远新能源科技有限公司 | A kind of pole piece heating device of lithium ion battery |
CN209580633U (en) * | 2018-11-06 | 2019-11-05 | 力信(江苏)能源科技有限责任公司 | A kind of area battery pole piece Kong Bo heating device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110621092A (en) * | 2019-09-09 | 2019-12-27 | 深圳市赢合科技股份有限公司 | Battery pole piece heating system and heating method |
CN110621092B (en) * | 2019-09-09 | 2024-02-20 | 深圳市赢合科技股份有限公司 | Battery pole piece heating system and heating method |
Also Published As
Publication number | Publication date |
---|---|
CN109304893B (en) | 2024-05-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205692896U (en) | There is the copper bar of lug refrigerating function | |
CN202430352U (en) | High-temperature spinning manifold | |
CN209580633U (en) | A kind of area battery pole piece Kong Bo heating device | |
CN109304893A (en) | A kind of area battery pole piece Kong Bo heating device | |
CN204085068U (en) | A kind of solar energy of built-in circulation air path and air energy barn | |
CN206479016U (en) | A kind of Liftable and movable boron carbide refining furnace | |
CN202126914U (en) | Water cooling type wind power generation transformer | |
CN204905804U (en) | High pressure air heat sink for wall bushing | |
CN202998520U (en) | Far-infrared carbon fiber paper heating body | |
CN211331694U (en) | Be used for even welding lobe of a leaf reprocessor of solar wafer | |
CN204360870U (en) | A kind of Novel reactor | |
CN202171340U (en) | Electric heating transducer and instant electric water heater adopting transducer | |
CN103105053B (en) | Six phase electrode alternating submerged arc furnace | |
CN207508250U (en) | A kind of efficient casting furnace | |
CN205692897U (en) | Lug cooling and the electrical connector flexibly connected | |
CN206061179U (en) | A kind of electrically heated rod of mould inside heating | |
CN203464752U (en) | Double-joint electrode water-cooled holder of corundum smelting furnace | |
CN205542673U (en) | High density pottery fuse | |
CN208012068U (en) | Composite Nano electric heating furnace | |
CN202808370U (en) | In-connection type U-shaped in-series graphitization furnace | |
CN207118010U (en) | A kind of heating furnace senses coil structures | |
CN208013803U (en) | A kind of temperature control equipment for storage battery cast-welding machine | |
CN210722850U (en) | Power supply furnace changing knife switch convenient for heat dissipation | |
CN203504785U (en) | Electromagnetic heater for automobile | |
CN217441953U (en) | Oil well produced liquid temperature control heating system utilizing solar energy for preheating |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Country or region after: China Address after: 2 Dagang Dashan Road, Zhenjiang New District, Zhenjiang City, Jiangsu Province Applicant after: Lixin (Jiangsu) Energy Technology Co.,Ltd. Address before: No.2, Dagang Dashan Road, New District, Zhenjiang City, Jiangsu Province Applicant before: ETRUST POWER Group Ltd. Country or region before: China |
|
GR01 | Patent grant | ||
GR01 | Patent grant |