CN206223006U - Mouth organ passage parallel flow heat exchanger - Google Patents
Mouth organ passage parallel flow heat exchanger Download PDFInfo
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- CN206223006U CN206223006U CN201621213320.6U CN201621213320U CN206223006U CN 206223006 U CN206223006 U CN 206223006U CN 201621213320 U CN201621213320 U CN 201621213320U CN 206223006 U CN206223006 U CN 206223006U
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Abstract
The utility model provides a kind of mouth organ passage parallel flow heat exchanger, including water outlet connecting pipe, water inlet connecting pipe and heat exchanger core body；Wherein, the quantity of the heat exchanger core body is multiple；The water outlet connecting pipe connects the water outlet header of multiple heat exchanger core bodies；The water inlet connecting pipe connects the water inlet header of multiple heat exchanger core bodies.The utility model is provided with multiple heat exchanger core bodies, and multiple heat exchanger core bodies are arranged in order, and improve heat exchange efficiency, can be applied to pure electric automobile and serial type hybrid automobile.
Description
Technical field
The utility model is related to pure electric automobile cooling system, in particular it relates to a kind of mouth organ passage parallel flow type exchanges heat
Device.
Background technology
Pure electric automobile cooling system is mainly to electronic battery, motor, electric machine controller, DC/DC and vehicle-mounted
The multiple electric appliance unit such as charger is cooled down.Pure electric automobile is in the aspects such as lightweight, low energy consumption, high efficiency, low cost
Requirement it is consistent with the cooling of conventional truck, unlike the electric component that is directed to of pure electric automobile cooling system, by temperature shadow
Sound is more obvious, so the control requirement to temperature is more accurate.Simultaneously as the dynamical system of pure electric automobile and power supply are
The electronic unit tolerable temperature of system is low, and vehicle noise reduction is small so that pure electric automobile is to the heat dispersion of cooling system and noise
It is required that more strict compared with driven vehicle.Therefore.The cooling system of high efficient and reliable is developed, pure electric vehicle power system certainly will be turned into
Efficiency is further improved, improves one of key technology of course continuation mileage.
The performance of the selection opposite heat tube reason system of heat transfer medium has a significant impact, traditional air cooling be it is simplest,
Simply allow air flow through the coefficient of heat transfer between battery surface, but air heat exchanger and battery wall it is low, cooling, firing rate it is slow.
Used as the power for aiding in, service condition is not very severe to the battery pack of parallel hybrid electric car, so using air cooling
Mode may reach the requirement for using；
And for pure electric automobile and serial type hybrid automobile, battery pack is used as main power component, heat amount
It is very big, want to obtain relatively good thermal management effect, the mode of air cooling is not fine, so to solve preferably to be exchanged heat,
Designing the structure and carry out water-cooled can be produced with solving the problems, such as above air cooling.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide a kind of mouth organ passage parallel flow type heat exchange
Device.
According to the mouth organ passage parallel flow heat exchanger that the utility model is provided, including water outlet connecting pipe, water inlet connection
Pipe fitting and heat exchanger core body；
Wherein, the quantity of the heat exchanger core body is multiple；
The water outlet connecting pipe connects the water outlet header of multiple heat exchanger core bodies；The water inlet connecting pipe connects
Lead to the water inlet header of multiple heat exchanger core bodies.
Preferably, the water inlet connecting pipe includes the first water inlet connecting tube, the second water inlet connecting tube, the first inlet triplet for water
Block, the second inlet triplet for water block, the 3rd water inlet connecting tube, the 4th water inlet connecting tube, the 5th water inlet connecting tube, the 6th water inlet connection
Pipe, the first water inlet sebific duct, the second water inlet sebific duct, inlet triplet for water pipe and the 7th water inlet connecting tube；
Multiple heat exchanger core bodies be specially First Heat Exchanger core body, the second heat exchanger core body, the 3rd heat exchanger core body,
4th heat exchanger core body；
One end of the first water inlet connecting tube connects the water inlet header of First Heat Exchanger core body, and other end connection is described
The first interface of the first inlet triplet for water block；The second interface of the first inlet triplet for water block connects the by the 3rd water inlet connecting tube
Two heat exchanger core bodies；3rd interface of the first inlet triplet for water block is connected by the 5th water inlet connecting tube, the first water inlet sebific duct
The first interface of inlet triplet for water pipe；
One end of the second water inlet connecting tube connects the water inlet header of the 4th heat exchanger core body, and other end connection is described
The first interface of the second inlet triplet for water block；The second interface of the second inlet triplet for water block connects the by the 4th water inlet connecting tube
Three heat exchanger core bodies；3rd interface of the second inlet triplet for water block is connected by the 6th water inlet connecting tube, the second water inlet sebific duct
The second interface of inlet triplet for water pipe；
One end of the water inlet connecting tube of 3rd orifice the 7th of the inlet triplet for water pipe.
Preferably, the water outlet connecting pipe includes the first water outlet connecting tube, the second water outlet connecting tube, the first outlet three way
Block, the second outlet three way block, the 3rd water outlet connecting tube, the 4th water outlet connecting tube, the 5th water outlet connecting tube, the 6th water outlet connection
Pipe, the first water outlet sebific duct, the second water outlet sebific duct, outlet three way pipe and the 7th water outlet connecting tube；
Multiple heat exchanger core bodies be specially First Heat Exchanger core body, the second heat exchanger core body, the 3rd heat exchanger core body,
4th heat exchanger core body；
One end of the first water outlet connecting tube connects the water outlet header of First Heat Exchanger core body, and other end connection is described
The first interface of the first outlet three way block；The second interface of the first outlet three way block connects the by the 3rd water outlet connecting tube
Two heat exchanger core bodies；3rd interface of the first outlet three way block is connected by the 5th water outlet connecting tube, the first water outlet sebific duct
The first interface of outlet three way pipe；
One end of the second water outlet connecting tube connects the water outlet header of the 4th heat exchanger core body, and other end connection is described
The first interface of the second outlet three way block；The second interface of the second outlet three way block connects the by the 4th water outlet connecting tube
Three heat exchanger core bodies；3rd interface of the second outlet three way block is connected by the 6th water outlet connecting tube, the second water outlet sebific duct
The second interface of outlet three way pipe；
The water outlet connecting tube of 3rd orifice the 7th of the outlet three way pipe.
Preferably, the first inlet triplet for water block, the second inlet triplet for water block, the first outlet three way block and the second water outlet three
Shoulder hole is provided with the first interface of logical block, second interface, the 3rd interface.
Preferably, also including pressing plate, outlet pipe and water inlet pipe；
Wherein, the other end of the 7th water outlet connecting tube of the water outlet connecting pipe connects a shoulder hole of the pressing plate
One end；The other end of the 7th water inlet connecting tube of the water inlet connecting pipe connects one end of another shoulder hole of the pressing plate；
The outlet pipe connects the other end of a shoulder hole of the pressing plate；The water inlet pipe connects the another of the pressing plate
The other end of shoulder hole.
Preferably, seal groove is offered on the pressing plate；It is provided with the seal groove and the pressing plate phase interworking
The sealing ring of conjunction.
Preferably, also including elastic foam；The elasticity is provided with the one side of the harmonica-shaped tube of the heat exchanger core body
Foam.
Preferably, also including equipotential support；
Wherein, one end of the equipotential support connects the water outlet header or water inlet header of the heat exchanger core body.
Preferably, the two ends of the harmonica-shaped tube of the heat exchanger core body are provided with necking section；The water outlet header, it is described enter
Water header is provided with the installation passage matched with necking section；
The necking section is arranged in the installation passage；The outside wall surface of the necking section and the inwall of the installation passage
Face fits.
Preferably, the water outlet header, the two ends of the water inlet header are provided with blanking cover.
Compared with prior art, the utility model has following beneficial effect：
1st, the utility model is provided with multiple heat exchanger core bodies, and multiple heat exchanger core bodies are arranged in order, and improves heat exchange effect
Rate, can be applied to pure electric automobile and serial type hybrid automobile；
2nd, the elastic foam is provided with the utility model on the one side of the harmonica-shaped tube of heat exchanger core body, can be effective
Cushioning and support is carried out to the utility model；
3rd, equipotential support is provided with the utility model, heat exchanger core body and new-energy automobile to be installed can be realized
Equipotential, can avoid electric shock of the potential difference to human body from endangering；
4th, the utility model simple structure, it is rationally distributed, it is easy to promote.
Brief description of the drawings
The detailed description made to non-limiting example with reference to the following drawings by reading, other spies of the present utility model
Levy, objects and advantages will become more apparent upon：
Fig. 1 is the structural representation of mouth organ passage parallel flow heat exchanger in the utility model；
Fig. 2 is First Heat Exchanger core body, the connection diagram of the second heat exchanger core body in the utility model；
Fig. 3 is the 3rd heat exchanger core body, the connection diagram of the 4th heat exchanger core body in the utility model；
Fig. 4 is the structural representation of heat exchanger core body in the utility model.
In figure：
1 is water inlet pipe, and 2 is pressing plate, and 3 is sealing ring, and 4 is the 7th water inlet connecting tube, and 5 is the 7th water outlet connecting tube, and 6 is the
Two water inlet connecting tubes, 7 is the 4th water inlet connecting tube, and 8 is the second inlet triplet for water block, and 9 is the 6th water inlet connecting tube, and 10 enter for second
Glue pipe, 11 is clip, and 12 is inlet triplet for water pipe, and 13 is blanking cover, and 14 is harmonica-shaped tube, and 15 is elastic foam, and 16 is water inlet afflux
Pipe, 17 are equipotential support.
Specific embodiment
The utility model is described in detail with reference to specific embodiment.Following examples will be helpful to this area
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that to ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made.
These belong to protection domain of the present utility model.
In the present embodiment, the mouth organ passage parallel flow heat exchanger that the utility model is provided, including water outlet connecting pipe,
Water inlet connecting pipe and heat exchanger core body；
Wherein, the quantity of the heat exchanger core body is multiple；
The water outlet connecting pipe connects the water outlet header of multiple heat exchanger core bodies；The water inlet connecting pipe connects
Lead to the water inlet header of multiple heat exchanger core bodies.
The water inlet connecting pipe includes the first water inlet connecting tube, the second water inlet connecting tube, the first inlet triplet for water block, second
Inlet triplet for water block, the 3rd water inlet connecting tube, the 4th water inlet connecting tube, the 5th water inlet connecting tube, the 6th water inlet connecting tube, first enter
Glue pipe, the second water inlet sebific duct, inlet triplet for water pipe and the 7th water inlet connecting tube；
Multiple heat exchanger core bodies be specially First Heat Exchanger core body, the second heat exchanger core body, the 3rd heat exchanger core body,
4th heat exchanger core body；
One end of the first water inlet connecting tube connects the water inlet header of First Heat Exchanger core body, and other end connection is described
The first interface of the first inlet triplet for water block；The second interface of the first inlet triplet for water block connects the by the 3rd water inlet connecting tube
Two heat exchanger core bodies；3rd interface of the first inlet triplet for water block is connected by the 5th water inlet connecting tube, the first water inlet sebific duct
The first interface of inlet triplet for water pipe；
One end of the second water inlet connecting tube connects the water inlet header of the 4th heat exchanger core body, and other end connection is described
The first interface of the second inlet triplet for water block；The second interface of the second inlet triplet for water block connects the by the 3rd water inlet connecting tube
Three heat exchanger core bodies；3rd interface of the second inlet triplet for water block is connected by the 6th water inlet connecting tube, the second water inlet sebific duct
The second interface of inlet triplet for water pipe；
One end of the water inlet connecting tube of 3rd orifice the 7th of the inlet triplet for water pipe.
The water outlet connecting pipe includes the first water outlet connecting tube, the second water outlet connecting tube, the first outlet three way block, second
Outlet three way block, the 3rd water outlet connecting tube, the 4th water outlet connecting tube, the 5th water outlet connecting tube, the 6th water outlet connecting tube, first go out
Glue pipe, the second water outlet sebific duct, outlet three way pipe and the 7th water outlet connecting tube；
Multiple heat exchanger core bodies be specially First Heat Exchanger core body, the second heat exchanger core body, the 3rd heat exchanger core body,
4th heat exchanger core body；
One end of the first water outlet connecting tube connects the water outlet header of First Heat Exchanger core body, and other end connection is described
The first interface of the first outlet three way block；The second interface of the first outlet three way block connects the by the 4th water outlet connecting tube
Two heat exchanger core bodies；3rd interface of the first outlet three way block is connected by the 5th water outlet connecting tube, the first water outlet sebific duct
The first interface of outlet three way pipe；
One end of the second water outlet connecting tube connects the water outlet header of the 4th heat exchanger core body, and other end connection is described
The first interface of the second outlet three way block；The second interface of the second outlet three way block connects the by the 4th water outlet connecting tube
Three heat exchanger core bodies；3rd interface of the second outlet three way block is connected by the 6th water outlet connecting tube, the second water outlet sebific duct
The second interface of outlet three way pipe；
The water outlet connecting tube of 3rd orifice the 7th of the outlet three way pipe.The water outlet header, the water inlet collection
Base hole is offered in flow tube.
7th water inlet connecting tube and the 7th water outlet connecting tube are according to the design of battery bag external structure；7th water inlet connecting tube and
7th water outlet connects to form water inlet trunk and water outlet trunk.
The first inlet triplet for water block, the second inlet triplet for water block, the first outlet three way block and the second outlet three way block
Shoulder hole is provided with first interface, second interface, the 3rd interface.
The mouth organ passage parallel flow heat exchanger that the utility model is provided, also including pressing plate, outlet pipe and water inlet pipe；
Wherein, the other end of the 7th water outlet connecting tube of the water outlet connecting pipe connects a shoulder hole of the pressing plate
One end；The other end of the 7th water inlet connecting tube of the water inlet connecting pipe connects one end of another shoulder hole of the pressing plate；
The outlet pipe connects the other end of a shoulder hole of the pressing plate；The water inlet pipe connects the another of the pressing plate
The other end of shoulder hole；
Seal groove is offered on the pressing plate；The sealing cooperated with the pressing plate is provided with the seal groove
Circle.
The mouth organ passage parallel flow heat exchanger that the utility model is provided, also including elastic foam；The heat exchanger core body
Harmonica-shaped tube one side on be provided with the elastic foam.
The mouth organ passage parallel flow heat exchanger that the utility model is provided, also including equipotential support；
Wherein, one end of the equipotential support connects the water outlet header or water inlet header of the heat exchanger core body.
Equipotential support is presented Z-shaped, and one end offers connecting hole, the connectionless hole in one end；Connectionless hole face, is soldered to afflux
The medial surface of pipe；Equipotential support welding position is highly less than header highly.
The two ends of the harmonica-shaped tube of the heat exchanger core body are provided with necking section；The water outlet header, the water inlet afflux
Pipe is provided with the installation passage matched with necking section；
The necking section is arranged in the installation passage；The outside wall surface of the necking section and the inwall of the installation passage
Face fits.
Water outlet header, water inlet header are rectangular hollow structure；Mouth is provided between water outlet header, water inlet header
Qin pipe circulation passage；Several symmetrical connecting holes are provided with water outlet header, water inlet header；Peace is provided with connecting hole
Dress passage；Harmonica-shaped tube is pancake；Harmonica-shaped tube two sides are elbow-shaped.
The water outlet header, the two ends of the water inlet header are provided with blanking cover.
Blanking cover is provided with the boss cooperated with the hollow position of the water outlet header, the water inlet header；It is stifled
Lid is provided with the end face mutual cooperation plane with the water outlet header, the water inlet header.
In the present embodiment, the utility model is provided with multiple heat exchanger core bodies, and multiple heat exchanger core bodies are arranged in order, carry
Heat exchange efficiency high, can be applied to pure electric automobile and serial type hybrid automobile；Heat exchanger core body in the utility model
Harmonica-shaped tube one side on be provided with the elastic foam, cushioning and support effectively can be carried out to the utility model；This
Equipotential support is provided with utility model, the equipotential of heat exchanger core body and new-energy automobile to be installed can be realized, can
Electric shock of the potential difference to human body is avoided to endanger；The utility model simple structure, it is rationally distributed, it is easy to promote.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can within the scope of the claims make various deformations or amendments,
This has no effect on substance of the present utility model.
Claims (10)
1. a kind of mouth organ passage parallel flow heat exchanger, it is characterised in that including water outlet connecting pipe, water inlet connecting pipe and
Heat exchanger core body；
Wherein, the quantity of the heat exchanger core body is multiple；
The water outlet connecting pipe connects the water outlet header of multiple heat exchanger core bodies；The water inlet connecting pipe connection is more
The water inlet header of the individual heat exchanger core body.
2. mouth organ passage parallel flow heat exchanger according to claim 1, it is characterised in that the water inlet connecting pipe bag
Include the first water inlet connecting tube, second water inlet connecting tube, the first inlet triplet for water block, the second inlet triplet for water block, the 3rd water inlet connecting tube,
4th water inlet connecting tube, the 5th water inlet connecting tube, the 6th water inlet connecting tube, the first water inlet sebific duct, the second water inlet sebific duct, water inlet three
Siphunculus and the 7th water inlet connecting tube；
Multiple heat exchanger core bodies are specially First Heat Exchanger core body, the second heat exchanger core body, the 3rd heat exchanger core body, the 4th
Heat exchanger core body；
One end of the first water inlet connecting tube connects the water inlet header of First Heat Exchanger core body, other end connection described first
The first interface of inlet triplet for water block；The second interface of the first inlet triplet for water block connects second and changes by the 3rd water inlet connecting tube
Hot device core body；3rd interface of the first inlet triplet for water block connects water inlet by the 5th water inlet connecting tube, the first water inlet sebific duct
The first interface of three-way pipe；
One end of the second water inlet connecting tube connects the water inlet header of the 4th heat exchanger core body, other end connection described second
The first interface of inlet triplet for water block；The second interface of the second inlet triplet for water block connects the 3rd and changes by the 4th water inlet connecting tube
Hot device core body；3rd interface of the second inlet triplet for water block connects water inlet by the 6th water inlet connecting tube, the second water inlet sebific duct
The second interface of three-way pipe；
One end of the water inlet connecting tube of 3rd orifice the 7th of the inlet triplet for water pipe.
3. mouth organ passage parallel flow heat exchanger according to claim 2, it is characterised in that the water outlet connecting pipe bag
Include the first water outlet connecting tube, the second water outlet connecting tube, the first outlet three way block, the second outlet three way block, the 3rd water outlet connecting tube,
4th water outlet connecting tube, the 5th water outlet connecting tube, the 6th water outlet connecting tube, the first water outlet sebific duct, the second water outlet sebific duct, water outlet three
Siphunculus and the 7th water outlet connecting tube；
Multiple heat exchanger core bodies are specially First Heat Exchanger core body, the second heat exchanger core body, the 3rd heat exchanger core body, the 4th
Heat exchanger core body；
One end of the first water outlet connecting tube connects the water outlet header of First Heat Exchanger core body, other end connection described first
The first interface of outlet three way block；The second interface of the first outlet three way block connects second by the 3rd water outlet connecting tube
Heat exchanger core body；3rd interface of the first outlet three way block is connected out by the 5th water outlet connecting tube, the first water outlet sebific duct
The first interface of water three-way pipe；
One end of the second water outlet connecting tube connects the water outlet header of the 4th heat exchanger core body, other end connection described second
The first interface of outlet three way block；The second interface of the second outlet three way block connects the 3rd and changes by the 4th water outlet connecting tube
Hot device core body；3rd interface of the second outlet three way block connects water outlet by the 6th water outlet connecting tube, the second water outlet sebific duct
The second interface of three-way pipe；
The water outlet connecting tube of 3rd orifice the 7th of the outlet three way pipe.
4. mouth organ passage parallel flow heat exchanger according to claim 3, it is characterised in that first inlet triplet for water
The first interface of block, the second inlet triplet for water block, the first outlet three way block and the second outlet three way block, second interface, the 3rd connect
It is intraoral to be provided with shoulder hole.
5. mouth organ passage parallel flow heat exchanger according to claim 1, it is characterised in that also including pressing plate, outlet pipe
And water inlet pipe；
Wherein, the other end of the 7th water outlet connecting tube of the water outlet connecting pipe connects the one of a shoulder hole of the pressing plate
End；The other end of the 7th water inlet connecting tube of the water inlet connecting pipe connects one end of another shoulder hole of the pressing plate；
The outlet pipe connects the other end of a shoulder hole of the pressing plate；The water inlet pipe connects another ladder of the pressing plate
The other end in hole.
6. mouth organ passage parallel flow heat exchanger according to claim 5, it is characterised in that offered on the pressing plate close
Seal groove；The sealing ring cooperated with the pressing plate is provided with the seal groove.
7. mouth organ passage parallel flow heat exchanger according to claim 1, it is characterised in that also including elastic foam；Institute
The elastic foam is provided with the one side of the harmonica-shaped tube for stating heat exchanger core body.
8. mouth organ passage parallel flow heat exchanger according to claim 1, it is characterised in that also including equipotential support；
Wherein, one end of the equipotential support connects the water outlet header or water inlet header of the heat exchanger core body.
9. mouth organ passage parallel flow heat exchanger according to claim 1, it is characterised in that the mouth of the heat exchanger core body
The two ends of qin pipe are provided with necking section；The water outlet header, the water inlet header are provided with and match with necking section
Installation passage；
The necking section is arranged in the installation passage；The outside wall surface of the necking section and the internal face phase of the installation passage
Laminating.
10. mouth organ passage parallel flow heat exchanger according to claim 1, it is characterised in that the water outlet header, institute
State into the two ends of water header and be provided with blanking cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621213320.6U CN206223006U (en) | 2016-11-10 | 2016-11-10 | Mouth organ passage parallel flow heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621213320.6U CN206223006U (en) | 2016-11-10 | 2016-11-10 | Mouth organ passage parallel flow heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206223006U true CN206223006U (en) | 2017-06-06 |
Family
ID=58792049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621213320.6U Active CN206223006U (en) | 2016-11-10 | 2016-11-10 | Mouth organ passage parallel flow heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206223006U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108306072A (en) * | 2018-01-04 | 2018-07-20 | 福建省汽车工业集团云度新能源汽车股份有限公司 | A kind of parallel heat exchange battery pack |
| CN117433342A (en) * | 2023-12-18 | 2024-01-23 | 江苏海鹏防腐设备有限公司 | Corrosion-resistant plate heat exchanger and heat exchange method thereof |
-
2016
- 2016-11-10 CN CN201621213320.6U patent/CN206223006U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108306072A (en) * | 2018-01-04 | 2018-07-20 | 福建省汽车工业集团云度新能源汽车股份有限公司 | A kind of parallel heat exchange battery pack |
| CN108306072B (en) * | 2018-01-04 | 2020-02-07 | 福建省汽车工业集团云度新能源汽车股份有限公司 | Parallel heat exchange battery pack |
| CN117433342A (en) * | 2023-12-18 | 2024-01-23 | 江苏海鹏防腐设备有限公司 | Corrosion-resistant plate heat exchanger and heat exchange method thereof |
| CN117433342B (en) * | 2023-12-18 | 2024-03-12 | 江苏海鹏防腐设备有限公司 | Corrosion-resistant plate heat exchanger and heat exchange method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 59 Fentai Road, Shuiwei New Village, Yuehu Township, Taishun County, Wenzhou City, Zhejiang Province, 325500 Patentee after: Nabichuan New Energy Co.,Ltd. Address before: No. 59 Fentai Road, Shuiwei New Village, Yuehu Township, Taishun County, Wenzhou City, Zhejiang Province, 325505 Patentee before: NABAICHUAN HOLDING Co.,Ltd. |
|
| CP03 | Change of name, title or address |