CN108674258A - A kind of contact net power supply air-valve device and control system - Google Patents
A kind of contact net power supply air-valve device and control system Download PDFInfo
- Publication number
- CN108674258A CN108674258A CN201810608001.2A CN201810608001A CN108674258A CN 108674258 A CN108674258 A CN 108674258A CN 201810608001 A CN201810608001 A CN 201810608001A CN 108674258 A CN108674258 A CN 108674258A
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- China
- Prior art keywords
- air
- valve
- pantograph
- power supply
- contact net
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
- B60L5/22—Supporting means for the contact bow
- B60L5/28—Devices for lifting and resetting the collector
- B60L5/32—Devices for lifting and resetting the collector using fluid pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses a kind of contact net power supply air-valve devices and control system, air-valve device to include：Pantograph valve plate, electric pneumatic valve, pressure reducing valve, the first check valve and the second check valve.Compressed air from air compressor machine supplies after sequentially connected first check valve, pressure reducing valve, electric pneumatic valve, pantograph valve plate for pantograph all the way, and another way compressed air is directly that high-voltage circuitbreaker and high voltage isolator supply by the second check valve.The present invention can solve the lifting and operation for pantograph, and the conjunction sub-control system of high-voltage circuitbreaker and high voltage isolator provides compressed air as power, the technical issues of to ensure contact net power supply high-pressure system safe operation.
Description
Technical field
The present invention relates to Railway Electric fields, are supplied more particularly, to a kind of contact net applied to railway engineering working truck
Power supply air-valve device.
Background technology
The China railways mileage of electrified railway is continuously increased, and contact net maintenance workload is also synchronous to be increased.The contact occurred therewith
The traction of net overhauling train collection, power supply, the storage of contact net upkeep operation, material and prewired, tool storage, board and lodging, meeting, scene are done
The multiple functions such as public affairs improve worker's work, living condition, are the great of railway contact line electric power repair field of operation in one
Innovation.But when the operation in the wild of contact net overhauling train, the general transformer capacity for stopping website is all smaller, can not nematic
Vehicle provides the electric energy of large capacity, to ensure overhauling train team's routine office work and household electricity, is equipped with contact net power supply.Energy
Production and the household electricity power supply of three-phase 380V/220V are provided after enough directly taking electricity from contact net.
Contact net power supply gas circuit relevant device pantograph, high-voltage circuitbreaker, high voltage isolator and air source offer are set
Standby air compressor machine, be mounted on a section vehicle roof, it is interior everywhere, be entirely related to pantograph valve plate, air gauge, unidirectional for air circuit
All kinds of components such as valve, pipeline, and pantograph is different with the operating air pressure of breaker.The core of contact net power supply high-pressure system
Heart guard block is pantograph, high-voltage circuitbreaker, high voltage isolator.The lifting and operation of pantograph, high-voltage circuitbreaker and height
The splitting or integrating of pressure disconnecting switch is required for compressed air as power.
In the prior art, applied on 03 18th, 2017 by Dongguan City Wei Lun automated machines Co., Ltd, and in
On October 24th, 2017 is announced, and notification number is the Chinese utility model patent of CN206578845U《Manipulator air-valve device》It is open
A kind of manipulator air-valve device, including air-valve device, the middle part of bottom plate upper surface are equipped with 2 points 8 by hexagonal in round end
Cylinder manifold；Pressure switch supporting rack is equipped with by bolt and nut on the outer wall of preceding riser, passes through bolt on the inner wall of preceding riser
Nut is equipped with 12 terminal blocks, and pressure switch is equipped on pressure switch supporting rack, passes through cup head on the inner wall of rear riser
Interior hexagonal is equipped with throttle valve support plate, and throttle valve is equipped in throttle valve support plate.In the utility model, 2 points of 8 remittances
Single air source is distributed to multiple solenoid valves up by flowing plate, and 12 terminal blocks carry the terminal group of multiple or multigroup mutually insulated
Part, pressure switch by amplifier amplify pressure signal, realize pressure, level monitoring and control high precision apparatus, throttle valve
By change throttling section or chock length to control the valve of fluid flow, machinery member in existing air-valve device can be solved
Part is less, leads to the technical problem of manipulator having a single function and the performance accuracy of manipulator is low.But the air-valve device knot
Structure can not be applied to provide gas for contact net power supply gas circuit relevant device mainly in manipulator operation pneumatic control
Source.
Invention content
In view of this, the purpose of the present invention is to provide a kind of contact net power supply air-valve device, to solve as by electricity
The conjunction sub-control system of the lifting and operation of bow, high-voltage circuitbreaker and high voltage isolator provides compressed air as power, to ensure
The technical issues of contact net power supply high-pressure system safe operation.
In order to achieve the above-mentioned object of the invention, the present invention specifically provides a kind of technology of contact net power supply air-valve device
Implementation, including：
Pantograph valve plate, electric pneumatic valve, pressure reducing valve, the first check valve and the second check valve.Compressed air from air compressor machine
It is supplied all the way for pantograph after sequentially connected first check valve, pressure reducing valve, electric pneumatic valve, pantograph valve plate, it is another
Road compressed air is directly that high-voltage circuitbreaker and high voltage isolator supply by second check valve.
Preferably, by carrying out the elevating control of the pantograph to the conjunction sub-control system of the electric pneumatic valve.
Preferably, by the lifting speed of the control and regulation pantograph to the pantograph valve plate and described by electricity
Contact force between bow and contact net.
Preferably, pantograph branch air pressure is reduced by the pressure reducing valve, to avoid excessively anticyclonic compressed air input
Cause the pantograph valve plate exhaust excessive.
Preferably, one end of the pantograph valve plate is connected to by the second gas outlet being set on the air-valve device
The pantograph, the other end of pantograph valve plate are connected with the electric pneumatic valve.One end of first check valve and the decompression
Valve is connected, and the other end of the first check valve is connected to the air compressor machine by the air inlet being set on the air-valve device.Institute
The one end for stating the second check valve is connected between first check valve and air inlet, and the other end of the second check valve passes through setting
It is connected to the high-voltage circuitbreaker and high voltage isolator in the first gas outlet on the air-valve device.
Preferably, the air-valve device further includes the first electric contact being set between the pressure reducing valve and the first check valve
Air gauge, the first electric contact air gauge is for detecting the pantograph branch air pressure for being supplied to the pantograph.
Preferably, the air-valve device further includes the second electric contact being set between second check valve and air inlet
Air gauge, the second electric contact air gauge are used to detect the main road air pressure of the air compressor machine output.
In addition the present invention also specifically provides a kind of technic relization scheme of contact net power supply air-valve device, Yi Zhongjie
Net-fault power supply air valve control system, including：Air-valve device as described above, high-voltage circuitbreaker, high voltage isolator and control
Device processed.The control device reads the first electric contact air gauge, the barometric air pressure signal of the second electric contact, and to institute
The electric pneumatic valve stated in high-voltage circuitbreaker, high voltage isolator and the air-valve device is controlled.
Preferably, when the control device detects that the pantograph branch air pressure of the first electric contact air gauge feedback is small
It is less than the second setting value, the control device in the main road air pressure that the first setting value or the second electric contact air gauge are fed back
Judge that compressed air line air pressure is too low and is in abnormality, and control the high-voltage circuitbreaker separating brake first, then controls institute
Electric pneumatic valve closing is stated, the compressed air gas source of pantograph branch is cut off.The pantograph valve plate detects the compressed air without input
It is exhausted after air source, controls the pantograph drop bow, to complete compressed air line low pressure protection act, avoid compressing
Air pressure deficiency causes the pantograph surprisingly to drop bow.
Preferably, it imposes a condition when the air pressure of compressed air line meets, by being integrated in the high-voltage circuitbreaker and height
Driving mechanism inside pressure disconnecting switch controls high-voltage circuitbreaker respectively and the main contact of high voltage isolator is closed a floodgate or divided
Lock acts.
By implementing the technical solution for the contact net power supply air-valve device that aforementioned present invention provides, have following beneficial
Effect：
(1) contact net power supply air-valve device of the present invention can be pantograph lifting and operation, high-voltage circuitbreaker and
The conjunction sub-control system of high voltage isolator provides compressed air as power, realizes the protection of system low pressure, can avoid accident
Drop bow equivalent risk, to ensure contact net power supply high-pressure system safe operation；
(2) contact net power supply air-valve device of the present invention realizes contact net power supply high-pressure system air path elements
Integrated design avoids element dispersion installation and occupies excessive interior space；
(3) contact net power supply air-valve device of the present invention realizes contact net power supply high-pressure system air path elements
Integration Design effectively prevents the interior disclosure risk for crossing polydispersion installation gas path joint；
(4) contact net power supply air-valve device of the present invention realizes contact net power supply high-pressure system air path elements
Modularized design realizes buying, production, use, the standardized work for safeguarding link；
(5) contact net power supply air-valve device of the present invention is solved by the way that pressure reducing valve is separately provided in pantograph branch
The technical issues of pantograph and high-voltage circuitbreaker circuit pressure match.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described.It should be evident that the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other embodiments are obtained according to these attached drawings.
Fig. 1 is a kind of structure principle chart of specific embodiment of contact net power supply air-valve device of the present invention；
Fig. 2 is a kind of connection structure diagram of specific embodiment of contact net power supply air-valve device of the present invention；
Fig. 3 is a kind of outline structural diagram of specific embodiment of contact net power supply air-valve device of the present invention；
Fig. 4 is a kind of control principle block diagram of specific embodiment of contact net power supply air-valve device of the present invention；
In figure：1- pantograph valve plates, 2- electric pneumatic valves, 3- pressure reducing valves, the first check valves of 4-, the second check valves of 5-, 6- first
Electric contact air gauge, 7- the second electric contact air gauges, the first gas outlets 8-, the second gas outlets 9-, 10- air inlets, 11- pneumatics
Machine, 12- pantographs, 13- high-voltage circuitbreakers, 14- high voltage isolators, 15- control devices, 100- air-valve devices.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention carries out clear, complete description.Obviously, described embodiment is only
Only it is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
All other embodiment that art personnel are obtained without creative efforts belongs to the model that the present invention protects
It encloses.
As shown in attached drawing 1 to attached drawing 4, the specific embodiment of contact net power supply air-valve device of the present invention is given, under
The invention will be further described with reference to the drawings and specific embodiments in face.
Embodiment 1
As shown in Fig. 1, a kind of embodiment of contact net power supply air-valve device, air-valve device 100 specifically include：By
Pantograph valve plate 1, electric pneumatic valve 2, pressure reducing valve 3, the first check valve 4 and the second check valve 5.The outlet side of pantograph valve plate 1 is connected to
The inlet end of pantograph 12, pantograph valve plate 1 is connected with electric pneumatic valve 2.The outlet side of electric pneumatic valve 2, pressure reducing valve 3, the first check valve 4
It is sequentially connected, the inlet end of the first check valve 4 is connected to air compressor machine 11.It is unidirectional that the inlet end of second check valve 5 is connected to first
Between valve 4 and air compressor machine 11, the outlet side of the second check valve 5 is connected to high-voltage circuitbreaker 13 and high voltage isolator 14 simultaneously.
Compressed air from air compressor machine 11 passes through sequentially connected first check valve 4, pressure reducing valve 3, electric pneumatic valve 2, pantograph valve all the way
It is supplied for pantograph 12 after plate 1, another way compressed air is directly high-voltage circuitbreaker 13 and high_voltage isolation by the second check valve 5
Switch 14 supplies.By the elevating control for carrying out pantograph 12 to the conjunction sub-control system of electric pneumatic valve 2.By to pantograph valve plate 1
Control to adjust the contact force between the lifting speed and pantograph 12 and contact net of pantograph 12.Simultaneously as the work of pantograph
It is not less than 0.4Mpa to make air pressure demand, and bow net contact power is adjusted by valve plate exhaust, and excessively high air pressure input can be led again
Cause valve plate exhaust excessive, be unfavorable for system air source stablizes supply, so pressure reducing valve is arranged in pantograph branch.Pass through pressure reducing valve
3 reduce pantograph branch air pressure, cause pantograph valve plate 1 to be vented excessively to avoid excessively anticyclonic compressed air input.
As shown in Fig. 2, the external air-path interface of air-valve device 100 is three, all the way air inlet (air inlet 10), two-way
Gas outlet (the first gas outlet 8 and the second gas outlet 9).The compressed air that air compressor machine 11 generates enters air valve by air inlet 10
The inside of device 100 is divided into respectively pantograph 12, high-voltage circuitbreaker 13 and high voltage isolator 14 after two-way and supplies.By electricity
One end (outlet side) of bow valve plate 1 is connected to pantograph 12 by the second gas outlet 9 being set on air-valve device 100, by electricity
The other end (inlet end) of bow valve plate 1 is connected with electric pneumatic valve 2.One end (outlet side) of first check valve 4 and pressure reducing valve (3) phase
Even, the other end (inlet end) of the first check valve 4 is connected to air compressor machine by the air inlet 10 being set on air-valve device 100
11.One end (inlet end) of second check valve 5 is connected between the first check valve 4 and air inlet 10, the second check valve 5 it is another
End (outlet side) is connected to high-voltage circuitbreaker 13 by the first gas outlet 8 being set on air-valve device 100 and high_voltage isolation is opened
Close 14.
As shown in attached drawing 3 and attached drawing 4, in order to further avoid because surprisingly being dropped caused by compressed air air pressure deficiency
Two electro connecting pressure gauges (the first electric contact air gauge 6 and the second electric contact air gauge 7) are arranged in bow on air-valve device 100,
It is respectively used to feed back the main road air pressure of the output of air compressor machine 11 and the air pressure of pantograph branch to control device 15.Air-valve device 100 wraps
The first electric contact air gauge 6 being set between pressure reducing valve 3 and the first check valve 4 is included, the first electric contact air gauge 6 is for detecting
It is supplied to the pantograph branch air pressure of pantograph 12.Air-valve device 100 further comprises being set to the second check valve 5 and air inlet
The second electric contact air gauge 7 between 10, the second electric contact air gauge 7 are used to detect the main road air pressure of the output of air compressor machine 11.Gas
The surface structure of valve gear 100 is as shown in Fig. 3, is installed on the siding of train body to 100 hanging of air-valve device, is convenient for
While observing air pressure, mechanism is facilitated to adjust, and dramatically save interior space.
The air-valve device 100 of the present embodiment description integrates air path elements, to the compression needed for contact net powersupply system
Air carries out reasonable distribution.Air-valve device 100 is integrated with pantograph valve plate 1, electric pneumatic valve in contact net power supply air-channel system
2, pressure reducing valve 3, check valve (the first check valve 4 and the second check valve 5), (the first electric contact air gauge 6 and the second electricity connect pressure gauge
Point air gauge 7) etc. devices, realize design, production, the modularization of maintenance process and integration.
Embodiment 2
As shown in attached drawing 2 and attached drawing 4, a kind of embodiment of contact net power supply air valve control system specifically includes：Such as
Air-valve device 100 described in embodiment 1, high-voltage circuitbreaker 13, high voltage isolator 14 and control device 15.Control device 15 is read
The air pressure signal of the first electric contact air gauge 6, the second electric contact air gauge 7 is taken, and to high-voltage circuitbreaker 13, high voltage isolator
14 and air-valve device 100 in electric pneumatic valve 2 controlled.
When control device 15 detects that the pantograph branch air pressure of the first electric contact air gauge 6 feedback is less than the first setting value
The main road air pressure of (such as 0.45Mpa) or the second electric contact air gauge 7 feedback is less than the second setting value (such as 0.5Mpa), control dress
It is too low and be in abnormality to set 15 judgement compressed air line air pressures, and controls 13 separating brake of high-voltage circuitbreaker first, then controls
Electric pneumatic valve 2 is closed, and the compressed air gas source of pantograph branch is cut off.Pantograph valve plate 1 detects the compressed air gas source without input
After be exhausted, control pantograph 12 drop bow, to complete compressed air line low pressure protection act, avoid compressed air gas
Pressure deficiency causes the surprisingly drop bow of pantograph 12.
Pantograph branch supplies：Sequentially connected first check valve 4 of compressed air, pressure reducing valve 3, the electricity of the generation of air compressor machine 11
Pantograph 12 is accessed after empty valve 2, pantograph valve plate 1, driving pantograph 12 carries out lifting action.
High-voltage circuitbreaker and high voltage isolator gas supply：After the compressed air that air compressor machine 11 generates is by the second check valve 5
Directly feed high-voltage circuitbreaker 13 and high voltage isolator 14.It imposes a condition when the air pressure of compressed air line meets, passes through collection
High-voltage circuitbreaker 13 and high_voltage isolation are controlled respectively at the driving mechanism inside high-voltage circuitbreaker 13 and high voltage isolator 14
The main contact of switch 14 close a floodgate or separating brake acts.
By implementing the technical solution of the contact net power supply air-valve device of specific embodiment of the invention description, can produce
Raw following technique effect：
(1) the contact net power supply air-valve device of specific embodiment of the invention description can be lifting and the fortune of pantograph
The conjunction sub-control system of row, high-voltage circuitbreaker and high voltage isolator provides compressed air as power, realizes system low pressure guarantor
Shield can avoid unexpected drop from bending equivalent risk, to ensure contact net power supply high-pressure system safe operation；
(2) it is high to realize contact net power supply for the contact net power supply air-valve device of specific embodiment of the invention description
The integrated design of pressure system air path elements avoids element dispersion installation and occupies excessive interior space；
(3) it is high to realize contact net power supply for the contact net power supply air-valve device of specific embodiment of the invention description
The Integration Design of pressure system air path elements effectively prevents the interior disclosure risk for crossing polydispersion installation gas path joint；
(4) it is high to realize contact net power supply for the contact net power supply air-valve device of specific embodiment of the invention description
The modularized design of pressure system air path elements realizes buying, production, use, the standardized work for safeguarding link；
(5) the contact net power supply air-valve device of specific embodiment of the invention description in pantograph branch by individually setting
Pressure reducing valve is set, solves the technical issues of pantograph and matching of high-voltage circuitbreaker circuit pressure.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form.Though
So the present invention has been disclosed with preferred embodiment as above, and however, it is not intended to limit the invention.It is any to be familiar with those skilled in the art
Member, in the case where not departing from the Spirit Essence and technical solution of the present invention, all using in the methods and techniques of the disclosure above
Appearance makes many possible changes and modifications to technical solution of the present invention, or is revised as the equivalent embodiment of equivalent variations.Therefore,
Every content without departing from technical solution of the present invention is made to the above embodiment any simple according to the technical essence of the invention
Modification, equivalent replacement, equivalence changes and modification still fall within the range of technical solution of the present invention protection.
Claims (10)
1. a kind of contact net power supply air-valve device, which is characterized in that including：Pantograph valve plate (1), electric pneumatic valve (2), decompression
Valve (3), the first check valve (4) and the second check valve (5)；Compressed air from air compressor machine (11) is passed through sequentially connected all the way
First check valve (4), pressure reducing valve (3), electric pneumatic valve (2), pantograph valve plate (1) are that pantograph (12) supplies afterwards, another way
Compressed air is directly that high-voltage circuitbreaker (13) and high voltage isolator (14) supply by second check valve (5).
2. contact net power supply air-valve device according to claim 1, it is characterised in that：By to the electric pneumatic valve
(2) conjunction sub-control system carries out the elevating control of the pantograph (12).
3. contact net power supply air-valve device according to claim 2, it is characterised in that：By to the pantograph valve
Contact force of the lifting speed and the pantograph (12) of the control and regulation pantograph (12) of plate (1) between contact net.
4. contact net power supply air-valve device according to claim 3, it is characterised in that：Pass through the pressure reducing valve (3)
Reduce pantograph branch air pressure, causes pantograph valve plate (1) exhaust excessive to avoid excessively anticyclonic compressed air input.
5. contact net power supply air-valve device according to any one of claims 1 to 4, it is characterised in that：
One end of the pantograph valve plate (1) is connected to by the second gas outlet (9) being set on the air-valve device (100)
The other end of the pantograph (12), pantograph valve plate (1) is connected with the electric pneumatic valve (2)；
One end of first check valve (4) is connected with the pressure reducing valve (3), and the other end of the first check valve (4) passes through setting
It is connected to the air compressor machine (11) in the air inlet (10) on the air-valve device (100)；
One end of second check valve (5) is connected between first check valve (4) and air inlet (10), the second check valve
(5) other end is connected to the high-voltage circuitbreaker (13) by the first gas outlet (8) being set on the air-valve device (100)
And high voltage isolator (14).
6. contact net power supply air-valve device according to claim 5, it is characterised in that：The air-valve device (100)
Further include the first electric contact air gauge (6) being set between the pressure reducing valve (3) and the first check valve (4), first electricity
Contact air gauge (6) is for detecting the pantograph branch air pressure for being supplied to the pantograph (12).
7. contact net power supply air-valve device according to claim 6, it is characterised in that：The air-valve device (100)
Further include the second electric contact air gauge (7) being set between second check valve (5) and air inlet (10), second electricity
Contact air gauge (7) is used to detect the main road air pressure of the air compressor machine (11) output.
8. a kind of contact net power supply air valve control system, which is characterized in that including：Air valve dress as claimed in claim 7
It sets (100), high-voltage circuitbreaker (13), high voltage isolator (14) and control device (15)；The control device (15) reads the
The air pressure signal of one electric contact air gauge (6), the second electric contact air gauge (7), and to the high-voltage circuitbreaker (13), high pressure every
The electric pneumatic valve (2) left in pass (14) and the air-valve device (100) is controlled.
9. contact net power supply air valve control system according to claim 8, it is characterised in that：When the control device
(15) detect that the pantograph branch air pressure of the first electric contact air gauge (6) feedback is less than the first setting value or described the
The main road air pressure of two electric contact air gauges (7) feedback is less than the second setting value, and the control device (15) judges compressed air hose
Road air pressure is too low and is in abnormality, and controls the high-voltage circuitbreaker (13) separating brake first, then controls the electric pneumatic valve (2)
It closes, cuts off the compressed air gas source of pantograph branch；After the compressed air gas source of pantograph valve plate (1) detection without input
It is exhausted, controls the pantograph (12) drop bow, to complete compressed air line low pressure protection act, avoid compression empty
Gas air pressure deficiency causes the pantograph (12) surprisingly drop bow.
10. contact net power supply air valve control system according to claim 8 or claim 9, it is characterised in that：Work as compressed air
The air pressure of pipeline, which meets, to impose a condition, by the drive for being integrated in the high-voltage circuitbreaker (13) and high voltage isolator (14) inside
Motivation structure controls high-voltage circuitbreaker (13) respectively and the main contact of high voltage isolator (14) carries out combined floodgate or separating brake action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608001.2A CN108674258A (en) | 2018-06-13 | 2018-06-13 | A kind of contact net power supply air-valve device and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608001.2A CN108674258A (en) | 2018-06-13 | 2018-06-13 | A kind of contact net power supply air-valve device and control system |
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| CN108674258A true CN108674258A (en) | 2018-10-19 |
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| CN201810608001.2A Pending CN108674258A (en) | 2018-06-13 | 2018-06-13 | A kind of contact net power supply air-valve device and control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303892A (en) * | 2019-07-15 | 2019-10-08 | 中车株洲电力机车有限公司 | A kind of gas channel of pantograph and pantograph with under-voltage protection function |
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| CN201961162U (en) * | 2011-01-23 | 2011-09-07 | 冷水江市立德科技发展有限公司 | Air valve plate controlling actions of electric express locomotive pantograph |
| CN102431458A (en) * | 2011-11-29 | 2012-05-02 | 南车株洲电力机车有限公司 | Pantograph control device and pantograph control method |
| CN202399930U (en) * | 2011-12-22 | 2012-08-29 | 北京赛德高科铁道电气科技有限责任公司 | Active adjusting device of contact force of air-bag type pantograph |
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| CN106080208A (en) * | 2016-07-11 | 2016-11-09 | 安庆新景技电子科技有限公司 | Vehicle high-voltage isolation control circuit |
| CN106476628A (en) * | 2016-11-28 | 2017-03-08 | 广西大学 | Electric express locomotive valve plate |
| CN106627163A (en) * | 2016-12-06 | 2017-05-10 | 中车长春轨道客车股份有限公司 | Compressed air control and distribution module for high pressure system of motor train unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303892A (en) * | 2019-07-15 | 2019-10-08 | 中车株洲电力机车有限公司 | A kind of gas channel of pantograph and pantograph with under-voltage protection function |
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