CN110459895A - A kind of structure of voltage regulation for EMU high-tension cable L-type connector - Google Patents
A kind of structure of voltage regulation for EMU high-tension cable L-type connector Download PDFInfo
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- CN110459895A CN110459895A CN201910774136.0A CN201910774136A CN110459895A CN 110459895 A CN110459895 A CN 110459895A CN 201910774136 A CN201910774136 A CN 201910774136A CN 110459895 A CN110459895 A CN 110459895A
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- Prior art keywords
- voltage regulation
- center conductor
- stress cone
- type connector
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- 230000033228 biological regulation Effects 0.000 title claims abstract description 30
- 239000004020 conductor Substances 0.000 claims abstract description 32
- 230000001681 protective effect Effects 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 17
- 229910000838 Al alloy Inorganic materials 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 11
- 239000004411 aluminium Substances 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000003063 flame retardant Substances 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 7
- 239000002344 surface layer Substances 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 229920002943 EPDM rubber Polymers 0.000 claims description 2
- 239000011152 fibreglass Substances 0.000 claims description 2
- 229920002379 silicone rubber Polymers 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 1
- 230000009191 jumping Effects 0.000 abstract description 4
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910018182 Al—Cu Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 231100000820 toxicity test Toxicity 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910018464 Al—Mg—Si Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 229910017818 Cu—Mg Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/527—Flameproof cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The present invention relates to a kind of structure of voltage regulation for EMU high-tension cable L-type connector.The structure includes the voltage regulation unit of a pair of L-shaped setting；A pair of of voltage regulation unit is connected by L shape center conductor；The voltage regulation unit includes the contact head set gradually, stress cone, compression fitting and protective hardware；The both ends of the L shape center conductor are provided with the groove matched with contact head and stress cone.Structure of voltage regulation of the present invention for EMU high-tension cable L-type connector, compression fitting are provided to stress cone external force, the stabilization of face pressure between L shape center conductor and stress cone in 30 years can be effectively ensured；The arrangement of cable in EMU high pressure system of jumping line can be successfully managed, large-scale promotion is suitable for.
Description
Technical field
The present invention relates to a kind of structure of voltage regulation for EMU high-tension cable L-type connector, belong to EMU electric power and set
Standby technical field.
Background technique
With constantly improve for China's transport service, Chinese EMU has welcome the gold period of development, wherein
27.5kV L-type connector is the important component of traction power supply system for emu, and reliability directly affects the peace of EMU
Row for the national games.Wherein L-type connector is mounted at the top of motor train unit train, connects the cable between compartment and compartment, function and electric power
The transition joint that two sections of cables are connected in system is identical, but the cable ends that transition joint connects in electric system are with always
On line, and two connecting cables are located in train top center and roof edge hidden pipe on motor train unit train, and two
The direction of cable is consistent with the direction of advance of train.To meet EMU cabling requirements, L-type connector comes into being.
It is continued to develop recently as EMU industry, country requires EMU with 27.5kV L-type connector performance more next
Higher, product can not successfully manage the arrangement of cable in EMU high pressure system of jumping line at present；GB/T can not be fully met
Electrical performance demands as defined in 28427-2012 (ac voltage withstanding 124kV*5min not flashover, do not puncture, surge voltage ± 250kV*
Do not puncture for 10 times, not flashover)；Flame-retardancy requirements (combustion rating S4 in DIN 5510-2, level of smoke SR2, drop can not be fully met
Junk grade ST2；Oxygen index (OI) R22/R23, smoke density R22/R23, toxicity test R22/R23 in EN44545-2)；It can not be complete
Meet face pressure stability requirement in 30 years.27.5kV L-type connector performance seriously restricts the development of China Railway at present.
Therefore the exploitation of 27.5kV L-type connector will have highly important value for China railways development.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of pressure stabilizing knot for EMU high-tension cable L-type connector
Structure.
The technical solution of the present invention is as follows:
A kind of structure of voltage regulation for EMU high-tension cable L-type connector, the pressure stabilizing list including a pair of L-shaped setting
Member；A pair of of voltage regulation unit is connected by L shape center conductor；The voltage regulation unit includes the contact head, stress cone, pressure set gradually
Contracting fitting and protective hardware；The both ends of the L shape center conductor are provided with the groove matched with contact head and stress cone；
One end of the contact head and L shape center conductor can plug connect, the other end and cable connection；The stress cone is
Conical structure, the both ends of stress cone be respectively arranged with the groove of L shape center conductor end, compression fitting match it is upper tiltedly
Face, lower inclined plane；It is embedded in and is arranged in the groove of L shape center conductor end after stress cone and cable socket；The compression fitting is
Cylindrical structure compresses and is provided with the bevel structure matched with the lower inclined plane on the inside of one end of fitting, the other end and compression bullet
Spring connection, the other end of compressed spring act on protective hardware.
Preferably, the structure of voltage regulation for EMU high-tension cable L-type connector further includes protection location；The guarantor
Protecting unit includes L shape protective shell and the L shape cover board matched with L shape protective shell；The protection location both ends open, the pressure stabilizing
Unit insertion is arranged in the opening of protection location end；The opening of protective hardware and protection location end is tightly connected.
It is further preferred that the material of the L shape center conductor is one of aluminium, aluminium alloy, copper or copper alloy, surface layer
Coating processing；The material of the stress cone is one of ethylene propylene diene rubber or silicon rubber；The contact head is aluminium, aluminium conjunction
One of gold, copper or copper alloy, the processing of surface layer coating；The compression fitting material is that aluminium, aluminium alloy, copper, copper alloy are stainless
One of steel or glass reinforced plastic；The protective hardware is one of aluminium, aluminium alloy, copper, copper alloy or stainless steel；Stress cone
Inorganic fire retardants and organic fire-retardant are added in component；The material of the protection location is aluminium, aluminium alloy, copper, copper alloy
Or one of stainless steel, overlay coating processing.It can satisfy salt spray test GB/T 2423.17-2009 by coating design.
It is further preferred that the aluminium alloy includes Al-Cu alloy, Al-Mg-Si system alloy, Al-Cu-Mg alloy；
The copper alloy includes beryllium-bronze.
Preferably, watchband-shaped contactor point jack structure is provided in the groove of L shape center conductor end.Contact head and center
Conductor is plug connection mode, is connected by designing watchband structure in center conductor inner cavity with contact head, be can be realized big
Electric current allows requirement that 30 times or more plugs installation also may be implemented, convenient for the installation and maintenance of product.
The invention has the benefit that
1. the structure of voltage regulation of the present invention for EMU high-tension cable L-type connector, compression fitting, which is provided to, answers
Power bores external force, and the stabilization of face pressure between L shape center conductor and stress cone in 30 years can be effectively ensured；EMU can be successfully managed
The arrangement of cable in high pressure system of jumping line is suitable for large-scale promotion；
2. EMU of the present invention is L-type with L-type connector shape, can successfully manage in EMU high pressure system of jumping line
The arrangement of cable, protective shell can satisfy salt spray test GB/T 2423.17-2009；After L shape center conductor and stress cone cooperation,
Can satisfy electrical performance demands as defined in GB/T 28427-2012 (ac voltage withstanding 124kV*5min not flashover, do not puncture, rush
Hit do not puncture for voltage ± 250kV*10 times, not flashover)；
3. L shape insulating sleeve of the present invention and stress cone material therefor have anti-flammability, stress cone meets EN44545-2
Middle oxygen index (OI) R22/R23, smoke density R22/R23, toxicity test R22/R23.
Detailed description of the invention
Fig. 1 is the usage state diagram of the structure of voltage regulation for EMU high-tension cable L-type connector；
Fig. 2 is the structural schematic diagram of L shape center conductor of the present invention and contact head cooperation；
Fig. 3 is the structural schematic diagram of stress cone of the present invention；
Fig. 4 is the structural schematic diagram of compression fitting of the present invention；
Fig. 5 is the structural schematic diagram of protective hardware of the present invention；
Wherein: 1, L shape protective shell, 2, L shape center conductor, 3, L shape cover board, 4, contact head, 5, stress cone, 6, compression gold
Tool, 7, protective hardware, 8, ramp, 9, lower inclined plane.
Specific embodiment
Below with reference to embodiment and Figure of description, the present invention will be further described, but not limited to this.
Embodiment 1
As shown in Figs. 1-5.
A kind of structure of voltage regulation for EMU high-tension cable L-type connector, the pressure stabilizing list including a pair of L-shaped setting
Member；A pair of of voltage regulation unit is connected by L shape center conductor 2；The voltage regulation unit includes contact head 4, the stress cone set gradually
5, fitting 6 and protective hardware 7 are compressed；The both ends of the L shape center conductor 2, which are provided with, to be matched with contact head 4 and stress cone 5
Groove；
One end of the contact head 4 and L shape center conductor 2 can plug connect, the other end and cable connection；The stress cone
5 be conical structure, and the both ends of stress cone 5 are respectively arranged with to be matched with the groove of 2 end of L shape center conductor, compression fitting 6
Ramp 8, lower inclined plane 9；It is embedded in and is arranged in the groove of 2 end of L shape center conductor after stress cone 5 and cable socket；The pressure
Contracting fitting 6 is cylindrical structure, compresses and is provided with the bevel structure matched with the lower inclined plane 9 on the inside of one end of fitting 6, another
End is connected with the compression spring, and the other end of compressed spring acts on protective hardware 7.
Embodiment 2
It is used for the structure of voltage regulation of EMU high-tension cable L-type connector, further, the use as described in Example 1
In the structure of voltage regulation of EMU high-tension cable L-type connector further include protection location；The protection location includes L shape protective shell 1
With the L shape cover board 3 matched with L shape protective shell 1；The protection location both ends open, the voltage regulation unit insertion setting are being protected
It protects in the opening of unit end；The opening of protective hardware 7 and protection location end is tightly connected.
The material of the L shape center conductor 2 is aluminium alloy, surface layer silver-plated process；The material of the stress cone 5 is ternary second
Third rubber；The contact head 4 is aluminium alloy, surface layer silver-plated process；The compression fitting 6 and 7 material of protective hardware are aluminium alloy；
Inorganic fire retardants and organic fire-retardant are added in the component of stress cone 5；The material of the protection location is aluminium alloy, surface layer plating
Silver processing.It can satisfy salt spray test GB/T 2423.17-2009 by coating design.The aluminium alloy is Al-Cu alloy.
Inorganic fire retardants is Al (OH)3, organic fire-retardant is bromine system.
Embodiment 3
It is used for the structure of voltage regulation of EMU high-tension cable L-type connector, further, L shape center as described in Example 1
Watchband-shaped contactor point jack structure is provided in the groove of 2 end of conductor.Contact head 4 and center conductor are plug connection mode,
It is connected by designing watchband structure in center conductor inner cavity with contact head, the requirement of allowing that high current can be realized can also be with
Realization 30 times or more plug installations, convenient for the installation and maintenance of product.
Claims (4)
1. a kind of structure of voltage regulation for EMU high-tension cable L-type connector, which is characterized in that including a pair of L-shaped setting
Voltage regulation unit；A pair of of voltage regulation unit is connected by L shape center conductor；The voltage regulation unit include the contact head set gradually,
Stress cone, compression fitting and protective hardware；The both ends of the L shape center conductor, which are provided with, to be matched with contact head and stress cone
Groove；
One end of the contact head and L shape center conductor can plug connect, the other end and cable connection；The stress cone is circular cone
Structure, the both ends of stress cone be respectively arranged with the groove of L shape center conductor end, compression fitting match ramp, under
Inclined-plane；It is embedded in and is arranged in the groove of L shape center conductor end after stress cone and cable socket；The compression fitting is cylinder knot
Structure compresses and is provided with the bevel structure matched with the lower inclined plane on the inside of one end of fitting, and the other end is connected with the compression spring,
The other end of compressed spring acts on protective hardware.
2. the structure of voltage regulation according to claim 1 for EMU high-tension cable L-type connector, which is characterized in that institute
Stating for the structure of voltage regulation of EMU high-tension cable L-type connector further includes protection location；The protection location includes the protection of L shape
Shell and the L shape cover board matched with L shape protective shell；The protection location both ends open, the voltage regulation unit insertion setting are being protected
It protects in the opening of unit end；The opening of protective hardware and protection location end is tightly connected.
3. the structure of voltage regulation according to claim 2 for EMU high-tension cable L-type connector, which is characterized in that institute
The material for stating L shape center conductor is one of aluminium, aluminium alloy, copper or copper alloy, the processing of surface layer coating；The material of the stress cone
Matter is one of ethylene propylene diene rubber or silicon rubber；The contact head is one of aluminium, aluminium alloy, copper or copper alloy, table
Layer coating processing；The compression fitting material is one of aluminium, aluminium alloy, copper, copper alloy stainless steel or glass reinforced plastic；The guarantor
Shield fitting is one of aluminium, aluminium alloy, copper, copper alloy or stainless steel；Inorganic fire retardants is added in the component of stress cone
And organic fire-retardant；The material of the protection location is one of aluminium, aluminium alloy, copper, copper alloy or stainless steel, overlay coating
Processing.
4. the structure of voltage regulation according to claim 1 for EMU high-tension cable L-type connector, which is characterized in that L shape
Watchband-shaped contactor point jack structure is provided in the groove of center conductor end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910774136.0A CN110459895A (en) | 2019-08-21 | 2019-08-21 | A kind of structure of voltage regulation for EMU high-tension cable L-type connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910774136.0A CN110459895A (en) | 2019-08-21 | 2019-08-21 | A kind of structure of voltage regulation for EMU high-tension cable L-type connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110459895A true CN110459895A (en) | 2019-11-15 |
Family
ID=68488320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910774136.0A Pending CN110459895A (en) | 2019-08-21 | 2019-08-21 | A kind of structure of voltage regulation for EMU high-tension cable L-type connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110459895A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0549150A (en) * | 1991-08-12 | 1993-02-26 | Hitachi Cable Ltd | Emergency recovery connector with cable for power cable |
| JPH10136549A (en) * | 1996-10-31 | 1998-05-22 | Showa Electric Wire & Cable Co Ltd | Power cable connecting section |
| CN203800513U (en) * | 2014-03-25 | 2014-08-27 | 陈永仁 | Intermediate connector for straight-through type high-voltage cables |
| CN204316065U (en) * | 2014-12-29 | 2015-05-06 | 长春轨道客车股份有限公司 | A kind of standardization motor train unit 27.5kV L-type plug-in cable connector |
| CN209029899U (en) * | 2018-12-10 | 2019-06-25 | 长缆电工科技股份有限公司 | A kind of cable T-type branch joint |
| CN210016003U (en) * | 2019-08-21 | 2020-02-04 | 中车青岛四方车辆研究所有限公司 | Voltage stabilizing structure for high-voltage cable L-shaped connector of motor train unit |
-
2019
- 2019-08-21 CN CN201910774136.0A patent/CN110459895A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0549150A (en) * | 1991-08-12 | 1993-02-26 | Hitachi Cable Ltd | Emergency recovery connector with cable for power cable |
| JPH10136549A (en) * | 1996-10-31 | 1998-05-22 | Showa Electric Wire & Cable Co Ltd | Power cable connecting section |
| CN203800513U (en) * | 2014-03-25 | 2014-08-27 | 陈永仁 | Intermediate connector for straight-through type high-voltage cables |
| CN204316065U (en) * | 2014-12-29 | 2015-05-06 | 长春轨道客车股份有限公司 | A kind of standardization motor train unit 27.5kV L-type plug-in cable connector |
| CN209029899U (en) * | 2018-12-10 | 2019-06-25 | 长缆电工科技股份有限公司 | A kind of cable T-type branch joint |
| CN210016003U (en) * | 2019-08-21 | 2020-02-04 | 中车青岛四方车辆研究所有限公司 | Voltage stabilizing structure for high-voltage cable L-shaped connector of motor train unit |
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