CN109707925A - A kind of connector and fuel cell for pipeline connection - Google Patents
A kind of connector and fuel cell for pipeline connection Download PDFInfo
- Publication number
- CN109707925A CN109707925A CN201910151760.5A CN201910151760A CN109707925A CN 109707925 A CN109707925 A CN 109707925A CN 201910151760 A CN201910151760 A CN 201910151760A CN 109707925 A CN109707925 A CN 109707925A
- Authority
- CN
- China
- Prior art keywords
- fuel cell
- outer diameter
- connector
- boss
- threaded connection
- 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
- 239000000446 fuel Substances 0.000 title claims abstract description 41
- 210000002445 nipple Anatomy 0.000 claims abstract description 18
- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 239000002826 coolant Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 239000002390 adhesive tape Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000006479 redox reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Fuel Cell (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
The invention discloses a kind of connectors and fuel cell for pipeline connection, the connector for being used for pipeline connection includes joint body (1), the intermediate through hole (11) of joint body (1), it is characterised in that: joint body (1) is divided into nipple (12), threaded connection section (13), spanner from left to right and screws boss (14) and coupling (15).Its structure is simple, and part is few, and manufacturing cost is low, and high sealing reliability occupies little space, simple installation.
Description
Technical field:
The present invention relates to a kind of connectors and fuel cell for pipeline connection.
Background technique:
Fuel cell is a kind of the chemical energy being stored in fuel to be converted into electric energy by electrochemical reaction
Power generator, we often claim " pile " or " galvanic pile module " device chemically reacted, as long as in anode-side and cathode side
Continuous supply fuel (generally hydrogen) and oxidant (generally air), it can be by redox reaction, constantly
Ground externally exports electric energy.Unlike general rechargeable battery (such as lithium battery), simple a fuel cell or fuel
Battery stack unit be it is inoperable, it needs the auxiliary system of a set of complexity to cooperate with it, constitutes fuel cell hair
Electric system could externally generate electricity.One typical fuel cell generation generally further includes other than fuel cell pile
Hydrogen supply Proton Exchange Membrane Fuel Cells is a kind of the chemical energy being stored in fuel can directly to be turned by electrochemical reaction
Turn to the power generator of electric energy.As long as constantly supplying fuel (generally hydrogen) and oxidant (one in anode-side and cathode side
As be air), it can by redox reaction, constantly externally output electric energy.With general rechargeable battery (such as lithium
Battery) unlike, simple a fuel cell or fuel cell pile unit are inoperable, its a set of complexity of needs
Auxiliary system cooperate with it, constituting a fuel cell generation could externally generate electricity.One typical fuel cell hair
Electric system, other than fuel cell pile, generally further include hydrogen air-channel system, cooling circuit system and empty air-channel system and
Fulgurite reason and control subsystem etc..
In addition, existing fuel cell case structure at present, in order to meet IP67 protection level requirements, inside and outside Battery case
Coolant liquid inlet and outlet be all that assembly is sealed using O-ring, screw, band flange surface pipe joint, to meet cabinet herein
Seal request.There are Railway Projects for this structure: because there is an O-ring sealing area, screw position, the space occupied is big；Cost compared with
Height is processed and is assembled because of more part；Mating surface is more, and the processing and assembly control requirement to part are more, and reliability is low.
Summary of the invention:
The object of the present invention is to provide a kind of connectors and fuel cell for pipeline connection, solve prior art fuel electricity
Pond cabinet coolant liquid imports and exports the pipe fitting with sealing element, and part is more, occupied space is more, and sealing reliability is poor, higher cost
Technical problem.
The purpose of the present invention is what is be achieved by following technical proposals:
A kind of connector for pipeline connection, including joint body, one through hole in joint body centre, feature exist
In: joint body is divided into nipple, threaded connection section, spanner from left to right and screws boss and coupling.
Above-mentioned threaded connection section is cone, threading on conical surface, close to the outer diameter of inner junction part
Smaller, the outer diameter for screwing boss close to spanner is larger.
The outer diameter D 1 that above-mentioned spanner screws boss is greater than the outer diameter D 2 of threaded connection section, and the outer diameter D 2 of threaded connection section is big
In the outer diameter D 3 of nipple.
The outer diameter D 3 of above-mentioned nipple is equal to the outer diameter D 4 of coupling.
The section that above-mentioned spanner screws boss is hexagon.
A kind of fuel cell, including installs case, galvanic pile module, fuel cell controller, wherein galvanic pile module, fuel cell
Controller is mounted on inside the cavity of installs case, coolant liquid connector is installed in installs case, it is characterised in that: the coolant liquid
Connector is Petrochemical Pipe Joints described above, and galvanic pile module connects nipple by pipeline, and spanner screws boss and coupling is convex
Out outside installs case.
Installs case described above includes cabinet and the cover board for being mounted on cabinet top, is provided on the side wall of cabinet convex
Mounting hole is arranged on boss in platform, and mounting hole is connected to cavity, is mounted on inside mounting hole in the middle part of joint body.
Above-mentioned mounting hole is conical bore, and the inner surface machining internal thread of conical bore, conical bore is outside the part of cavity
Diameter is smaller, and the outer diameter outside cabinet is larger, and threaded connection section precession mounting hole, threaded connection section has been threadedly coupled with boss
Come.
Above-mentioned threaded connection section appearance winds adhesive tape back spin into mounting hole.
Above-mentioned threaded connection section appearance winds adhesive tape and coats sealing glue back spin into mounting hole.
Compared with prior art, the present invention having the effect that
1) connector for pipeline connection of the invention, joint body, one through hole in joint body centre, feature exist
In: joint body is divided into nipple, threaded connection section, spanner from left to right and screws boss and coupling, and structure is simple, occupies empty
Between it is small, part is few, at low cost, high reliablity, simple installation.
2) fuel cell of the invention, including installs case, galvanic pile module, fuel cell controller, wherein galvanic pile module, combustion
Material battery controller is mounted on inside the cavity of installs case, coolant liquid connector is installed in installs case, it is characterised in that: described
Coolant liquid connector is Petrochemical Pipe Joints described above, and galvanic pile module connects nipple by pipeline, and spanner screws boss and outer
Connector protrudes outside installs case, and structure is simple, occupies little space, and part is few, at low cost, high reliablity, simple installation.
3) further advantage of the invention is in the partially unfolded detailed description of embodiment.
Detailed description of the invention:
Fig. 1 is the perspective view of an angle of the connector of the embodiment of the present invention one；
Fig. 2 is the side view of the connector of the embodiment of the present invention one；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Fig. 4 is the perspective view of an angle of the fuel cell of the embodiment of the present invention two；
Fig. 5 is the fuel cell exploded view of the embodiment of the present invention two；
Fig. 6 is the side view of the fuel cell of the embodiment of the present invention two；
Fig. 7 is the B-B cross-sectional view of Fig. 6；
Fig. 8 is the C portion partial enlarged view of Fig. 7.
Specific embodiment:
Below by specific embodiment and in conjunction with attached drawing, the present invention is described in further detail.
Embodiment one:
As shown in Figure 1 to Figure 3, the present invention provides a kind of connector for pipeline connection, including joint body 1, connector sheet
A through hole 11 among body 1, joint body 1 are divided into nipple 12, threaded connection section 13, spanner from left to right and screw boss 14
With coupling 15, structure is simple, and part is few, and manufacturing cost is low, and high sealing reliability occupies little space, simple installation.
Above-mentioned threaded connection section 13 is cone, threading on conical surface, close to 12 part of nipple
Outer diameter is smaller, and the outer diameter for screwing boss 14 close to spanner is larger, is easily installed, and installs good airproof performance.
The outer diameter D 1 that above-mentioned spanner screws boss 14 is greater than the outer diameter D 2 of threaded connection section 13, the outer diameter of threaded connection section 13
D2 is greater than the outer diameter D 3 of nipple 12, is easily installed.
The outer diameter D 3 of above-mentioned nipple 12 is equal to the outer diameter D 4 of coupling 15.
The section that above-mentioned spanner screws boss 14 is hexagon, convenient to cooperate with spanner, easy for installation.
Joint body 1 described above is the manufacture of hardware material.
Embodiment two:
As shown in Figures 1 to 8, the present invention provides a kind of fuel cell, including installs case 2, galvanic pile module 3, fuel cell
Controller, wherein galvanic pile module 3, fuel cell controller are mounted on 20 the inside of cavity of installs case 2, install in installs case 2
Coolant liquid connector 100, it is characterised in that: the coolant liquid connector 100 is that one kind described in embodiment one is connected for pipeline
Connector, galvanic pile module 3 connects nipple 12 by pipeline 101, and spanner screws boss 14 and coupling 15 and protrudes outside installs case 2
Portion, pipeline 101 are silicone tubes, convenient to connect sealing with nipple 12.Structure is simple, and part is few, and manufacturing cost is low, sealed reliable
Property it is high, occupy little space, simple installation.Coupling 15 with the pipeline of the coolant system outside installs case 2 for connecting.
The above-mentioned installs case 2 includes cabinet 21 and the cover board 22 for being mounted on 21 top of cabinet, the side wall of cabinet 21
On be provided with boss 25, mounting hole 251 is set on boss 25, and mounting hole 251 is connected to cavity 20, and the middle part of joint body 1 is pacified
Mounted in 251 the inside of mounting hole.
Above-mentioned mounting hole 251 is conical bore, and the inner surface machining internal thread of conical bore, conical bore is close to the portion of cavity 20
Exceptionally diameter is smaller, and the outer diameter outside the cabinet 21 is larger, 13 precession mounting hole 251 of threaded connection section, threaded connection section 13 and
Boss 25 is threadedly coupled, and structure is simple, and part is few, and manufacturing cost is low.
Above-mentioned 13 appearance of threaded connection section winding, 16 back spin of adhesive tape is twined into mounting hole 251 or 13 appearance of threaded connection section
Around adhesive tape 16 and sealing glue back spin is coated into mounting hole 251, can further provide for sealing reliability.
When installation, 13 appearance of threaded connection section winds adhesive tape 16 and coats sealing glue, is locked using spanner and is revolved in spanner
Boss 14 is twisted, then rotating spanner drives joint body 1 to rotate, and is threadedly coupled threaded connection section 13 with boss 25, pacifies
Dress is easy, and part is few, and manufacturing cost is low, and high sealing reliability occupies little space.
Above embodiments are better embodiment of the invention, and embodiments of the present invention are not limited thereto, other are any
Made changes, modifications, substitutions, combinations, simplifications without departing from the spirit and principles of the present invention are equivalent displacement side
Formula is included within the scope of the present invention.
Claims (10)
1. a kind of connector for pipeline connection, including joint body (1), the intermediate through hole (11) of joint body (1),
Be characterized in that: joint body (1) be divided into from left to right nipple (12), threaded connection section (13), spanner screw boss (14) and
Coupling (15).
2. a kind of connector for pipeline connection according to claim 1, it is characterised in that: threaded connection section (13) is round
Cone, threading on conical surface, the outer diameter close to nipple (12) part is smaller, screws boss (14) close to spanner
Outer diameter it is larger.
3. a kind of connector for pipeline connection according to claim 2, it is characterised in that: spanner screws boss (14)
Outer diameter D 1 is greater than the outer diameter D 2 of threaded connection section (13), and the outer diameter D 2 of threaded connection section (13) is greater than the outer diameter of nipple (12)
D3。
4. a kind of connector for pipeline connection according to claim 2, it is characterised in that: the outer diameter D 3 of nipple (12)
Equal to the outer diameter D 4 of coupling (15).
5. a kind of connector for pipeline connection according to claim 1 or 2 or 3 or 4, it is characterised in that: spanner screws
The section of boss (14) is hexagon.
6. a kind of fuel cell, including installs case (2), galvanic pile module (3), fuel cell controller, wherein galvanic pile module (3),
Fuel cell controller is mounted on inside the cavity (20) of installs case (2), installs coolant liquid connector (100) on installs case (2),
It is characterized by: the coolant liquid connector (100) is that one kind described in claim 1 to 5 any one is connected for pipeline
Connector, galvanic pile module (3) by pipeline (101) connection nipple (12), spanner screws boss (14) and coupling (15) is convex
Installs case (2) is external out.
7. a kind of fuel cell according to claim 6, it is characterised in that: the installs case (2) includes cabinet (21)
With the cover board (22) for being mounted on cabinet (21) top, it is provided with boss (25) on the side wall of cabinet (21), boss is arranged on (25)
Mounting hole (251), mounting hole (251) are connected to cavity (20), are mounted on inside mounting hole (251) in the middle part of joint body (1).
8. a kind of fuel cell according to claim 7, it is characterised in that: mounting hole (251) is conical bore, conical bore
Inner surface machining internal thread, segment outer radius of the conical bore close to cavity (20) is smaller, and the outer diameter external close to cabinet (21) is larger,
Threaded connection section (13) precession mounting hole (251), threaded connection section (13) are threadedly coupled with boss (25).
9. a kind of fuel cell according to claim 8, it is characterised in that: after threaded connection section (13) appearance winds adhesive tape
Precession mounting hole (251).
10. a kind of fuel cell according to claim 8, it is characterised in that: threaded connection section (13) appearance winds adhesive tape
Glue back spin is sealed into mounting hole (251) with coating.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151760.5A CN109707925B (en) | 2019-02-28 | 2019-02-28 | Joint for pipeline connection and fuel cell |
| PCT/CN2019/105377 WO2020173077A1 (en) | 2019-02-28 | 2019-09-11 | Fuel cell with novel box body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151760.5A CN109707925B (en) | 2019-02-28 | 2019-02-28 | Joint for pipeline connection and fuel cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109707925A true CN109707925A (en) | 2019-05-03 |
| CN109707925B CN109707925B (en) | 2024-04-30 |
Family
ID=66266113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910151760.5A Active CN109707925B (en) | 2019-02-28 | 2019-02-28 | Joint for pipeline connection and fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109707925B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020173077A1 (en) * | 2019-02-28 | 2020-09-03 | 中山大洋电机股份有限公司 | Fuel cell with novel box body |
| WO2021012307A1 (en) * | 2019-07-23 | 2021-01-28 | 江苏时代新能源科技有限公司 | Heat exchange tube connector, and battery pack |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB583189A (en) * | 1944-03-29 | 1946-12-11 | Ernest Stringer | Improvements in or relating to pipe couplings |
| US5957508A (en) * | 1996-08-16 | 1999-09-28 | Robert Bosch Gmbh | Sealing device |
| JP2005122621A (en) * | 2003-10-20 | 2005-05-12 | Toyota Motor Corp | Pressure reduction device |
| US20080057374A1 (en) * | 2006-08-29 | 2008-03-06 | Yamaha Hatsudoki Kabushiki Kaisha | Hydrogen supply pipe connecting structure |
| CN203230977U (en) * | 2013-05-21 | 2013-10-09 | 宁波福士汽车部件有限公司 | Threaded joint |
| CN204004878U (en) * | 2014-06-12 | 2014-12-10 | 石柱土家族自治县宁渝铸铁机械有限公司 | Male connection for hydraulic tube |
| CN106784959A (en) * | 2017-03-27 | 2017-05-31 | 上海重塑能源科技有限公司 | Fuel cell integrated system |
| CN107956935A (en) * | 2016-10-17 | 2018-04-24 | 宁波路通液压器材有限公司 | Cloth Taper Pipe connector |
| CN108087649A (en) * | 2017-12-18 | 2018-05-29 | 浙江台州吉瑞塑胶有限公司 | Rubber and plastic tracheae connector |
| CN108878945A (en) * | 2018-08-31 | 2018-11-23 | 大洋电机新动力科技有限公司 | A kind of fuel cell |
| CN209688288U (en) * | 2019-02-28 | 2019-11-26 | 中山大洋电机股份有限公司 | A kind of connector and fuel cell for pipeline connection |
-
2019
- 2019-02-28 CN CN201910151760.5A patent/CN109707925B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB583189A (en) * | 1944-03-29 | 1946-12-11 | Ernest Stringer | Improvements in or relating to pipe couplings |
| US5957508A (en) * | 1996-08-16 | 1999-09-28 | Robert Bosch Gmbh | Sealing device |
| JP2005122621A (en) * | 2003-10-20 | 2005-05-12 | Toyota Motor Corp | Pressure reduction device |
| US20080057374A1 (en) * | 2006-08-29 | 2008-03-06 | Yamaha Hatsudoki Kabushiki Kaisha | Hydrogen supply pipe connecting structure |
| CN203230977U (en) * | 2013-05-21 | 2013-10-09 | 宁波福士汽车部件有限公司 | Threaded joint |
| CN204004878U (en) * | 2014-06-12 | 2014-12-10 | 石柱土家族自治县宁渝铸铁机械有限公司 | Male connection for hydraulic tube |
| CN107956935A (en) * | 2016-10-17 | 2018-04-24 | 宁波路通液压器材有限公司 | Cloth Taper Pipe connector |
| CN106784959A (en) * | 2017-03-27 | 2017-05-31 | 上海重塑能源科技有限公司 | Fuel cell integrated system |
| CN108087649A (en) * | 2017-12-18 | 2018-05-29 | 浙江台州吉瑞塑胶有限公司 | Rubber and plastic tracheae connector |
| CN108878945A (en) * | 2018-08-31 | 2018-11-23 | 大洋电机新动力科技有限公司 | A kind of fuel cell |
| CN209688288U (en) * | 2019-02-28 | 2019-11-26 | 中山大洋电机股份有限公司 | A kind of connector and fuel cell for pipeline connection |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020173077A1 (en) * | 2019-02-28 | 2020-09-03 | 中山大洋电机股份有限公司 | Fuel cell with novel box body |
| WO2021012307A1 (en) * | 2019-07-23 | 2021-01-28 | 江苏时代新能源科技有限公司 | Heat exchange tube connector, and battery pack |
| US11781679B2 (en) | 2019-07-23 | 2023-10-10 | Jiangsu Contemporary Amperex Technology Limited | Heat exchange pipe joint and battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109707925B (en) | 2024-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109707925A (en) | A kind of connector and fuel cell for pipeline connection | |
| CN210040418U (en) | Fluid distribution structure of fuel cell stack module | |
| CN103943873B (en) | MEMS methanol recapitalization fuel cell system | |
| CN209688288U (en) | A kind of connector and fuel cell for pipeline connection | |
| CN107546401A (en) | A kind of bidirectional reversible fuel cell system | |
| CN106601942A (en) | Cylindrical battery and application thereof | |
| CN217933891U (en) | Humidity-adjustable integrated intercooler humidifier device | |
| CN111005833A (en) | Pipeline device for generating and storing electricity by utilizing kinetic energy of fluid in pipeline | |
| CN106898795A (en) | For the filter of fuel cell | |
| CN114362378A (en) | Energy storage device and composite wall unit | |
| CN109263516B (en) | Stable charging device of methanol hydrogen production electric vehicle | |
| CN214379018U (en) | Photovoltaic micro-grid interface with sealing performance and convenient connection | |
| CN213146972U (en) | Water heater shell with improved sealing performance | |
| CN106602109B (en) | A kind of pressure-equalizing device for fuel cell | |
| CN221262477U (en) | External energy storage forced air cooling battery package of BMS slave control | |
| CN116365154B (en) | Energy storage device and energy storage system | |
| CN210640806U (en) | Power converter with sealing device | |
| CN210374073U (en) | Modularized heat source | |
| CN220021732U (en) | Power connection structure of energy storage device cable | |
| CN215498349U (en) | Novel lithium battery DC charging seat | |
| CN208936043U (en) | A kind of underwater air-pressure balancing device and solar energy lamp | |
| CN219226335U (en) | Water inlet and oxygen inlet integrated joint, hydrogen fuel cell and electric equipment | |
| CN216241497U (en) | Coolant pump and fuel cell cooling system | |
| CN114094243A (en) | Hybrid power device of high-safety hydrogen fuel cell and lithium battery | |
| CN207765933U (en) | A kind of sealing device of power cord connector |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |