CN106847580B - A kind of high voltage isolator, high-voltaghe compartment and high voltage isolator control method - Google Patents
A kind of high voltage isolator, high-voltaghe compartment and high voltage isolator control method Download PDFInfo
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- CN106847580B CN106847580B CN201710211404.9A CN201710211404A CN106847580B CN 106847580 B CN106847580 B CN 106847580B CN 201710211404 A CN201710211404 A CN 201710211404A CN 106847580 B CN106847580 B CN 106847580B
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- reed
- interlocking
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
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- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
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Abstract
The present invention provides a kind of high voltage isolator, including the first plug-in strip, the second plug-in strip, the first reed, the second reed, third reed, the 4th reed, the first main shaft, the second main shaft, the first control mechanism, the second control mechanism；First plug-in strip is switchably connect with the first reed or third reed with the rotation of the first main shaft, and the second plug-in strip is switchably connect with the second reed or the 4th reed with the rotation of the second main shaft；First plug-in strip, the second plug-in strip connect with static contact and rotate by axis of static contact, and the first reed and the second reed are connected and connect with the first pantograph, and third reed and the 4th reed are connected and connect with the second pantograph.The present invention also provides a kind of high-voltaghe compartment comprising above-mentioned high voltage isolator and high voltage isolator control methods.The present invention realizes the lightweight and miniaturization of roof high-voltaghe compartment, realizes the function that a high voltage isolator completes two-way control, greatlys save installation space in cabinet.
Description
Technical field
The present invention relates to a kind of disconnecting switch more particularly to a kind of for novel locomotive and the height of EMU car top high-voltaghe compartment
Press disconnecting switch, high-voltaghe compartment and high voltage isolator control method.
Background technique
With the development of locomotive and motor-car high-voltage electrical equipment, roof running environment proposes higher want to roof high voltage device
It asks, under haze and high and low temperature environment, to high voltage isolator, more stringent requirements are proposed, does not require nothing more than roof high voltage device energy
Meet locomotive operation environment, also requires under the premise of guaranteeing electric clearance, meet the electrical performance demands of high-voltaghe compartment, want simultaneously
Meet the requirement of roof space.
The high voltage isolator of existing locomotive has the following problems:
(1) generally two pantographs are controlled respectively using two high voltage isolators, occupancy volume is larger, can not
Meet high-voltaghe compartment miniaturization, lightweight, integrated requirement；
(2) for a plug-in strip, generally a cam is set and two interlockings are monitored its connection status, due to convex
The rotation of wheel may not arrive designated position, therefore can not judge, when interlocking off-state, whether plug-in strip connect with reed really,
Therefore accurately plug-in strip accurately can not be monitored with whether reed connect, affect signal monitor on-line with it is subsequent for plug-in strip
Control；
(3) existing disconnecting switch does not measure disconnecting switch mechanical life；
(4) design for not considering structure in existing high voltage isolator will affect integrally-built steady in plug-in strip rotation
It is qualitative.
In summary, it would be highly desirable to propose that new high voltage isolator is designed, meet actual demand.
Summary of the invention
It is an object of the invention to overcome the disadvantage of above structure, a kind of vehicle operation and easy to maintain, safety are provided
With the high voltage isolator and high-voltaghe compartment and high voltage isolator control method of high reliablity.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of high voltage isolator, including the first lock
Knife, the second plug-in strip, the first reed, the second reed, third reed, the 4th reed further include driving the first plug-in strip, the second lock respectively
The first dynamic main shaft of swivel, the second main shaft；Further include respectively drive the first main shaft, the second main axis the first control mechanism,
Second control mechanism；One end of first plug-in strip with the first main shaft rotation switchably with the first reed or third reed
Connection, one end of second plug-in strip are switchably connect with the second reed or the 4th reed with the rotation of the second main shaft；Institute
The other end of the other end, the second plug-in strip of stating the first plug-in strip connect with static contact and rotates by axis of static contact, and described the
One reed and the second reed are connected and connects with the first pantograph, and the third reed and the 4th reed are connected and with second
Pantograph connection.
The present invention realizes two-way isolation and two-way control by a high voltage isolator, that is, uses dual gate knife structure side
Formula respectively drives the rotation of two main shafts (the first main shaft, the second main shaft) by two groups of control mechanisms, to realize to dual gate knife
The single driving of (the first plug-in strip, the second plug-in strip), can be powered by the first pantograph or the second pantograph as needed, can also
Any one pantograph is isolated as needed, guarantees safety.
Further, further include the first cam being fixed on the first main shaft, the second cam, further include fixed setting
Third cam, the 4th cam on the second main shaft；It further include respectively by first cam, the second cam, third cam,
The first interlocking and the second interlocking, third interlocking, the 4th interlocking of four actuated by cams；First interlocking, the second interlocking are with the
The rotation of one main shaft is switchably in closed state or off-state；The third interlocking, the 4th interlocking are with the second main shaft
Rotation be switchably in closed state or off-state；First interlocking and the second interlocking have opposite folding shape
State, third interlocking and tetrad lock have opposite folding condition；It further include to first interlocking, the second interlocking, third connection
The Interlock Status monitoring device that lock, the 4th folding condition interlocked are monitored, first interlocking and the second interlocking and first
The state of plug-in strip is corresponding, and the third interlocking and the 4th interlocking are corresponding with the state of the second plug-in strip.
In the present invention, using in opposite folding condition the first interlocking, the second interlocking to the connection of the first plug-in strip into
Row monitoring is monitored the connection of the second plug-in strip using third interlocking, the 4th interlocking in opposite folding condition, therefore
It can guarantee the accurate monitoring to the connection status of plug-in strip, i.e., only when having an interlocking in closed state and another is interlocked
When being in an off state, just show that plug-in strip is connect with one of reed, so as to avoid a cam is only arranged to plug-in strip shape
The case where whether plug-in strip connect with reed can not be accurately guaranteed when being monitored for state.
Further, first control mechanism includes the first solenoid valve, the first cylinder, and second control mechanism includes
Two outlets of second solenoid valve, the second cylinder, first solenoid valve connect with two gas circuit mouths of first cylinder respectively
Logical, two outlets of the second solenoid valve are connected to two gas circuit mouths of second cylinder respectively.In the present invention, pass through institute
Two groups of air path controlling mechanisms being arranged control the movement of two plug-in strips (the first plug-in strip, the second plug-in strip) respectively.Height in the present invention
Disconnecting switch is pressed, using two groups of cylinders, solenoid valve integrated control, realizes two-way control function.It is driven by two-way cylinder solenoid valve
Dynamic first plug-in strip and the second plug-in strip complete the two-way control of high voltage isolator.
It further, further include Undercarriage structure and the insulator support construction for being used to support the static contact, described first
Solenoid valve, the first cylinder, second solenoid valve, the second cylinder, insulator support construction are installed on Undercarriage structure.By by
One solenoid valve, the first cylinder, second solenoid valve, the second cylinder and insulator support construction are installed concentratedly on Undercarriage structure,
It can guarantee to rotate reliability requirement.
Further, the Interlock Status monitoring device is electronic counter device.By the way that electronic counter device is arranged,
The measurement to high voltage isolator mechanical life and the measurement of feedback signal may be implemented, guarantee the movement of high voltage isolator plug-in strip
With the synchronism of feedback signal, signal Normal Feedback is guaranteed by measurement, and provides data ginseng for follow-up signal on-line monitoring
It examines.
Further, first plug-in strip and/or the second plug-in strip use rotating form blade.First plug-in strip, the second plug-in strip
Using rotating form blade, then when guaranteeing normal current, reed is come into full contact in dual gate knife and high-voltaghe compartment, increases plug-in strip
With the contact area of reed, guarantee effective contact area, guarantees its electric conductivity.
The present invention also provides a kind of high-voltaghe compartments, including high voltage isolator described in any of the above embodiments.
The present invention also provides a kind of high voltage isolator control method using above-mentioned high voltage isolator, including isolation the
The method of the second pantograph of method and isolation of one pantograph,
It is described isolation the first pantograph method include:
If the first plug-in strip is connect with the first reed, the first control mechanism drives the first main axis, and the first main shaft drives
First plug-in strip rotation, so that the first plug-in strip is connect from connecting to be switched to the first reed with third reed；And
If the second plug-in strip is connect with the second reed, the second control mechanism drives the second main axis, and the second main shaft drives
Second plug-in strip rotation, so that the second plug-in strip is connect from connecting to be switched to the second reed with the 4th reed；
It is described isolation the second pantograph method include:
If the first plug-in strip is connect with third reed, the first control mechanism drives the first main axis, and the first main shaft drives
First plug-in strip rotation, so that the first plug-in strip is connect from connecting to be switched to third reed with the first reed；And
If the second plug-in strip is connect with the 4th reed, the second control mechanism drives the second main axis, and the second main shaft drives
Second plug-in strip rotation, so that the second plug-in strip is connect from connecting to be switched to the 4th reed with the second reed.
It further include the monitoring method of plug-in strip state in above-mentioned technical proposal, the monitoring method of the plug-in strip state includes:
If the first interlocking, the second interlocking are in opposite folding condition, judge that the first plug-in strip completes cutting for connection status
It changes；And
If third interlocking, the 4th interlocking are in opposite folding condition, judge that the second plug-in strip completes cutting for connection status
It changes.
The advantages and positive effects of the present invention are:
(1) present invention is used as locomotive and EMU disconnecting switch, realizes two-way isolation by a disconnecting switch.Use
Dual gate knife frame mode is cut off by the route that two groups of air circuit connections control plug-in strip, completes the single driving of dual gate knife.The type is high
It presses disconnecting switch to break former using two high voltage isolator layout type, roof is realized using a high voltage isolator
The isolation of high pressure main circuit two-way and join again；
(2) disconnecting switch in the present invention realizes two-way excision and two-way control using two groups of cylinder solenoid valve integrated controls
Function processed.By the first plug-in strip of two-way cylinder solenoid-driven and the second plug-in strip, realizes a high voltage isolator and complete two
The function of road control, greatlys save installation space in cabinet；
(3) present invention realizes the integrated of original two high voltage isolators, to realize roof high-voltaghe compartment
Lightweight and miniaturization meet the layout requirements of locomotive and EMU car top high-voltaghe compartment；
(4) for a plug-in strip, two interlockings with opposite folding condition of setting are monitored it, ensure that pair
The accurate monitoring of the connection status of plug-in strip；
(5) dual gate knife in the present invention uses rotating form blade, when guaranteeing normal current and high-voltaghe compartment reed
It comes into full contact with, increases the contact area of plug-in strip and reed, guarantee effective contact area, guarantee its electric conductivity；
(6) it is realized using electronic counter device to the measurement of disconnecting switch mechanical life and feedback signal in the present invention
Measurement guarantees the synchronism of disconnecting switch plug-in strip movement and feedback signal, guarantees signal Normal Feedback by measurement, and after being
Continuous signal on-line monitoring provides data reference；
(7) bearing construction is assembled using chassis in the present invention, cylinder, solenoid valve and insulator support section are concentrated
It is mounted on Undercarriage structure, guarantees rotation reliability requirement；
(8) cylinder solenoid valve uses low temperature resistant Pneumatic component in the present invention, meets -50 ° of low temperature storages, -40 ° of low temperature movements
Performance requirement meets domestic and international locomotive and the high and cold use environment requirement of EMU.
Detailed description of the invention
Fig. 1 is the schematic side view of high voltage isolator of the invention；
Fig. 2 is the schematic top plan view of high voltage isolator of the invention；
Fig. 3 is the arrangement of the first reed of high voltage isolator of the invention, the second reed, third reed, the 4th reed
Schematic diagram；
Fig. 4 is the electrical block diagram of high voltage isolator of the invention；
In figure, the 11, first solenoid valve, 12, second solenoid valve, the 21, first cylinder, the 22, second cylinder, the 31, first manipulation
Bar, the 32, second control stick, the 51, first cam, the 52, second cam, 53, third cam, the 54, the 4th cam, the 61, first pull rod,
62, the second pull rod, the 71, first interlocking, the 72, second interlocking, 73, third interlocking, the 74, the 4th interlocking, the 91, first main shaft, 92, the
Two main shafts, the 101, first plug-in strip, the 102, second plug-in strip, the 201, first reed, the 202, second reed, 203, third reed, 204,
4th reed, 30, insulator support construction, 40, Undercarriage structure, the 501, first pantograph, the 502, second pantograph, 60, stationary contact
Head.Wherein, front side represented by arrow direction in Fig. 1-4, rear side, left side, right side, front, indicate below front side of the invention,
Rear side, left side, right side, front, subsequent direction.Indicated direction does not limit the scope of the invention in figure.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
High voltage isolator structure of the invention is dual gate knife electropneumatic high voltage isolator, a high voltage isolator
The a certain pantograph of same train can be cut off respectively, while when two column or multiple row car weight join, realizing two column or multiple row locomotive circuit
Connection.Disconnecting switch main circuit controls two train main circuits respectively, and realization joins again.
The main function of high voltage isolator is as roof high-voltaghe compartment main-circuit protection electric appliance, when main circuit primary Ioops
When breaking down, high voltage isolator can cut off a certain pantograph of same train respectively, while when two column or multiple row car weight join,
Realize train circuit connection.
The purpose of the present invention is being designed to high voltage isolator, roof high-voltaghe compartment is realized by two sets of close/open machines
Electric appliance isolation features meet high-voltaghe compartment high voltage isolator requirement.
Based on miniaturization and integrated design concept, this programme mesohigh disconnecting switch is by two sets of actuating mechanism integrated installations
In on Undercarriage structure 40, two sets of actuating mechanisms operate two panels plug-in strip (the first plug-in strip 101, the second plug-in strip 102) movement respectively.High pressure
Disconnecting switch can connect the main circuit from this section power car and another section power car simultaneously, and it is dynamic can also to be separately connected two sections
The main circuit of power vehicle.
As shown in Fig. 1-Fig. 4, a kind of high voltage isolator proposed by the present invention, including high-pressure conductive structure, insulator branch
Support structure 30, insulated transmission structure, electric controlled pneumatic control structure, cam and interlock, Interlock Status monitoring device and chassis
Structure 40.
(1) high-pressure conductive structure
High-pressure conductive structure includes the first plug-in strip 101, the second plug-in strip 102, the first reed 201, the second reed 202, third
Reed 203, the 4th reed 204.Rotating form blade can be used in first plug-in strip 101, the second plug-in strip 102.
First plug-in strip 101, the second plug-in strip 102 connect with static contact 60 and with static contact 60 be axis on a vertical plane
Rotation, static contact 60 are connect with high-tension circuit in high-voltaghe compartment.First plug-in strip 101 is connected to the left side of static contact 60, the second plug-in strip
102 are connected to the right side of static contact 60.First plug-in strip 101 turns to (S above1Position), below (E1Position) when respectively with the first reed
201, third reed 203 contacts, and the second plug-in strip 102 turns to (S above2Position), below (E2Position) when respectively with the second reed 202,
The contact of 4th reed 204.
First reed 201 and the second reed 202 are connected with each other and connect with the first pantograph 501；Third reed 203 and
Four reeds 204 are connected with each other and connect with the second pantograph 502.First pantograph 501, the second pantograph 502 belong to same dynamic
The pantograph of power vehicle is located at the both ends of same power car.
First plug-in strip 101 and the first reed 201 operation is opened or closed will be so that the first plug-in strip 101 and the first pantograph
501 are connected or disconnected from, the first plug-in strip 101 and third reed 203 be opened or closed operation will so that the first plug-in strip 102 with
Second pantograph 502 is connected or disconnected from；The operation that is opened or closed of second plug-in strip 102 and the second reed 202 will be so that the
Two plug-in strips 101 are connected or disconnected from the first pantograph 501；Behaviour is opened or closed in second plug-in strip 102 and the 4th reed 204
Work will be so that the second plug-in strip 102 be connected or disconnected from the second pantograph 502.
(2) insulator support construction
The static contact 60 of the support high voltage isolator of insulator support construction 30.
(3) insulated transmission structure
Insulated transmission structure includes the first insulated transmission structure, the second insulated transmission structure.First insulated transmission structure packet
Include sequentially connected first control stick 31, first rotating shaft, the first main shaft 91, the first pull rod 61；Second insulated transmission structure includes
Sequentially connected second control stick 32, the second shaft, the second main shaft 92, the second pull rod 62.First pull rod 61, the second pull rod 62 divide
It is not connect with the first plug-in strip 101, the second plug-in strip 102.That is the first main shaft 91 drives the rotation of the first plug-in strip 101；Second main shaft, 92 band
Dynamic second plug-in strip 102 rotation.The angle that first main shaft 91, the second main shaft 92 rotate is 60 degree.
(4) electric controlled pneumatic control structure
Electric controlled pneumatic control structure includes the first control machine for respectively driving the first control stick 31, the movement of the second control stick 32
Structure, the second control mechanism.
First control mechanism includes the first solenoid valve 11, the first cylinder 21, two outlets point of first solenoid valve 11
It is not connected to two gas circuit mouths of first cylinder 21.Second control mechanism includes second solenoid valve 12, the second cylinder 22, institute
Two outlets for stating second solenoid valve 12 are connected to two gas circuit mouths of second cylinder 22 respectively.
First solenoid valve 11, second solenoid valve 12 use seal rubber part.First is provided on first solenoid valve 11
Muffler is provided with the second muffler in the second solenoid valve 12.First muffler, the second muffler are adjustable gas stream
The muffler of dynamic speed.The outlet with erasure effect can be used in first muffler, the second muffler, and outlet is rotary valve
Structure, by rotation rotary valve control exhaust velocity, exhaust velocity is slower, then erasure effect is better.
As shown in figure 4, the first solenoid valve has F1End and T1End, F1Holding corresponding power input is the end NPR, T1End pair
The power input answered is the end KLM；Second solenoid valve has F2End and T2End, F2Holding corresponding power input is the end WXZ, T2
Holding corresponding power input is the end STU；First interlocking includes A1End, A2End, A3End, A4End；Second interlocking includes B1End, B2
End, B3End, B4End；Third interlocking includes C1End, C2End, C3End, C4End；4th interlocking includes D1End, D2End, D3End, D4End.Y1End
For the input gas circuit of the first solenoid valve 11, Y2End is the input gas circuit of second solenoid valve 12.KLM is equivalent to the socket of three plugs,
Intermediate L ground connection, the KM at both ends apply positive and negative 110V voltage.
That is, KLM, NPR control T respectively1Or F1Solenoid valve obtains electric, then the piston in the cylinder in figure moves to the left or to the right,
Then cam 1, cam 2 turn 60 ° to the left or to the right.
That is, STU, WXZ control T respectively2Or F2Solenoid valve obtains electric, then the piston in the cylinder in figure moves to the left or to the right,
Then cam 3, cam 4 turn 60 ° to the left or to the right.
(5) cam and interlock
Cam and interlock include the first cam 51, the second cam 52, third cam 53, the 4th cam 54, first
The 71, second interlocking 72 of lock, the 73, the 4th interlocking 74 of third interlocking.The state and the of the state of first interlocking 71 and the second interlocking 72
The state of one plug-in strip 101 is corresponding, the state of the state of the third interlocking 73 and the state of the 4th interlocking 74 and the second plug-in strip 102
It is corresponding.
First cam 51, the second cam 52 are fixed on the first main shaft 91, and third cam 53, the 4th cam 54 are
It is fixed on the second main shaft 92.
First the 71, second interlocking 72 of interlocking, the 73, the 4th interlocking 74 of third interlocking are respectively by the first cam 51, the second cam
52, third cam 53, the driving of the 4th cam 54.
First the 71, second interlocking 72 of interlocking is as the rotation of the first main shaft 91 is switchably in closed state or disconnects shape
State；The 73, the 4th interlocking 74 of third interlocking is switchably in closed state or off-state with the rotation of the second main shaft 92.The
The folding condition of one interlocking 71 and the folding condition of the second interlocking 72 are on the contrary, the i.e. first interlocking 71 is the second interlocking 72 when being closed
To disconnect, vice versa.Third interlocks 73 folding condition with the folding condition of the 4th interlocking 74 on the contrary, i.e. third interlocking 73 is
When closure, the 4th interlocking 74 is disconnects, and vice versa.
First interlocking 71 includes A1End, A2End, A3End, A4End；Second interlocking 72 includes B1End, B2End, B3End, B4End；Third
Interlocking 73 includes C1End, C2End, C3End, C4End；4th interlocking 74 includes D1End, D2End, D3End, D4End.
The Interlock Status monitoring device of vehicle control system is to first the 71, second interlocking 72 of interlocking, third interlocking the 73, the 4th
The folding condition of interlocking 74 is monitored.Settable corresponding signal receives the interlocking shape with processing unit and vehicle control system
The connection of state monitoring device receives the number that each interlocking disconnection, closure are calculated with processing unit by signal, to judge each
The service life of interlocking.
The settable A by the first interlocking 711End and A2Signal or A between end3End and A4Signal between end is fed back to vehicle
Control system can also carry out similar setting, that is, pass through interlocking for the second interlocking 72, the 73, the 4th interlocking 74 of third interlocking
The state that state monitoring device interlocks the 73, the 4th interlocking 74 to first the 71, second interlocking 72 of interlocking, third is monitored.Pass through
The state for monitoring each interlocking, can be obtained the connection status of the first plug-in strip 101, the second plug-in strip 102, while can also indicate that first
Whether pantograph 501, the second pantograph 502 can rising bow or drop bows.
It is assumed that the signal fed back to vehicle control system is denoted as " 0 " when interlocking is connection status, interlock to disconnect shape
When state, the signal fed back to vehicle control system is denoted as " 1 ".
It is assumed that by the A of the first interlocking 711End and A2The B of signal, the second interlocking 72 between end1End and B2Letter between end
Number feedback arrive vehicle control system, then: the first cam 51, the second cam 52 rotation in one of the states, first interlocking 71 A1
End and A2End connection, and A3End and A4End disconnects, meanwhile, the B of the second interlocking 721End and B2End disconnects, and B3End with
B4The state of end connection, then the first interlocking 71 that vehicle control system receives is " 0 ", and the state of the second interlocking 72 is " 1 ", i.e.,
The folding condition of first interlocking 71 is " closed ", and the folding condition of the second interlocking 72 is "off"；First cam 51, the second cam
In another state, first interlocks 71 A for 52 rotations1End and A2End disconnects, and A3End and A4End connection, meanwhile, second
The B of interlocking 721End and B2End connection, and B3End and B4End disconnects, then the first interlocking 71 that vehicle control system receives
State is " 1 ", and the state of the second interlocking 72 is " 0 ", i.e., the folding condition of the first interlocking 71 is "off", and the second interlocking 72 is opened
Conjunction state is " closed ".
(6) Interlock Status monitoring device
Interlock Status monitoring device interlocks the folding shape of the 73, the 4th interlocking 74 to first the 71, second interlocking 72 of interlocking, third
State is monitored, and Interlock Status monitoring device can be used electronic counter device, 71, second interlocking 72 of the first interlocking, the
The 73, the 4th interlocking 74 of three interlockings is connect with the electronic counter device.
By judging the state of each interlocking, it can determine the connection status of the first plug-in strip 101, the second plug-in strip 102, be convenient for
Subsequent operation.
(7) Undercarriage structure
First solenoid valve 11, the first cylinder 21, second solenoid valve 12, the second cylinder 22, insulator support construction 30 are pacified
On Undercarriage structure 40.
The present invention also provides a kind of high-voltaghe compartments including above-mentioned high voltage isolator.
The present invention provides a kind of high voltage isolator control method using above-mentioned high voltage isolator, which is characterized in that
Including the method for the first pantograph 501 is isolated, method, the monitoring method of plug-in strip state of the second pantograph 502 is isolated,
It is described isolation the first pantograph 501 method include:
If the first plug-in strip 101 is connect with the first reed 201, the first control mechanism drives the first main shaft 91 to rotate, first
Main shaft 91 drives the rotation of the first plug-in strip 101, so that the first plug-in strip 101 is switched to and third reed from connecting with the first reed 201
203 connections；And
If the second plug-in strip 102 is connect with the second reed 202, the second control mechanism drives the second main shaft 92 to rotate, second
Main shaft 92 drives the rotation of the second plug-in strip 102, so that the second plug-in strip 102 is switched to and the 4th reed from connecting with the second reed 202
204 connections；
It is described isolation the second pantograph 502 method include:
If the first plug-in strip 101 is connect with third reed 203, the first control mechanism drives the first main shaft 91 to rotate, first
Main shaft 91 drives the rotation of the first plug-in strip 101, so that the first plug-in strip 101 is switched to and the first reed from connecting with third reed 203
201 connections；And
If the second plug-in strip 102 is connect with the 4th reed 204, the second control mechanism drives the second main shaft 92 to rotate, second
Main shaft 92 drives the rotation of the second plug-in strip 102, so that the second plug-in strip 102 is switched to and the second reed from connecting with the 4th reed 204
202 connections；
The monitoring method of the plug-in strip state includes:
If first the 71, second interlocking of interlocking 72 is in opposite folding condition, judge that the first plug-in strip 101 completes connection shape
The switching of state；And/or
If the 73, the 4th interlocking 74 of third interlocking is in opposite folding condition, judge that the second plug-in strip 102 completes connection shape
The switching of state.
When first plug-in strip 101, the second plug-in strip 102 are not connect with the first pantograph 501, that is, realize to the first pantograph
501 isolation.
When first plug-in strip 101, the second plug-in strip 102 are not connect with the second pantograph 502, that is, realize to the first pantograph
501 isolation.
If first the 71, second interlocking of interlocking 72 is in opposite folding condition, illustrate that the first plug-in strip 101 completes rotation
Process realizes the switching connecting with reed, and does not rest on middle position, therefore judges that the first plug-in strip 101 completes connection shape
The switching of state.
If the 73, the 4th interlocking 74 of third interlocking is in opposite folding condition, illustrate that the second plug-in strip 102 completes rotation
Process realizes the switching connecting with reed, and does not rest on middle position, therefore judges that the second plug-in strip 102 completes connection shape
The switching of state.
The operation principle of the present invention is that:
When the first plug-in strip 101 is connect with the first reed 201, if obtaining the signal of switching state, the first control mechanism
Drive the first main shaft 91 rotate, the first main shaft 91 drive the first plug-in strip 101 rotation so that the first plug-in strip 101 from the first reed
201 connections are switched to be connect with third reed 203；
When the first plug-in strip 101 is connect with third reed 203, if obtaining the signal of switching state, the first control mechanism
Drive the first main shaft 91 rotate, the first main shaft 91 drive the first plug-in strip 101 rotation so that the first plug-in strip 101 from third reed
203 connections are switched to be connect with the first reed 201；
When the second plug-in strip 102 is connect with the second reed 202, if obtaining the signal of switching state, the second control mechanism
Drive the second main shaft 92 rotate, the second main shaft 92 drive the second plug-in strip 102 rotation so that the second plug-in strip 102 from the second reed
202 connections are switched to be connect with the 4th reed 204；
When the second plug-in strip 102 is connect with the 4th reed 204, if obtaining the signal of switching state, the second control mechanism
Drive the second main shaft 92 rotate, the second main shaft 92 drive the second plug-in strip 102 rotation so that the second plug-in strip 102 from the 4th reed
204 connections are switched to be connect with the second reed 202；
If the first plug-in strip 101 is connect with the first reed 201 and the second plug-in strip 102 is connect with the 4th reed 204, first by
At least one in pantograph 501, the second pantograph 502 is drop bow；
If the first plug-in strip 101 is connect with third reed 203 and the second plug-in strip 102 is connect with the second reed 202, first by
At least one in pantograph 501, the second pantograph 502 is drop bow.
If first the 71, second interlocking of interlocking 72 is in opposite folding condition, 101 completion status of the first plug-in strip is judged
Switching；
If the 73, the 4th interlocking 74 of third interlocking is in opposite folding condition, 102 completion status of the second plug-in strip is judged
Switching.
If desired the second pantograph 502 is isolated, then the first plug-in strip 101 connect with the first reed 201 and the second plug-in strip 102 with
The connection of second reed 202；
If desired the first pantograph 501 is isolated, then the first plug-in strip 101 connect with third reed 203 and the second plug-in strip 102 with
The connection of 4th reed 204；
If the first interlocking, the second interlocking are in opposite folding condition, judge that the first plug-in strip completes cutting for connection status
It changes；If third interlocking, the 4th interlocking are in opposite folding condition, judge that the second plug-in strip completes the switching of connection status.
In the present invention, 110V power supply is controlled using pantograph high voltage isolator button, 110V power supply controls two-way electromagnetism
Valve realizes that the state of cam changes by Pneumatic component, while judging the opening and closing state of high voltage isolator, realize high pressure every
It leaves and closes divide-shut brake logic control.Wherein 4 kinds of states may be implemented in high voltage isolator, it may be assumed that
(1) the first state: the first plug-in strip 101 connect that (the first plug-in strip 101 is in S with the first reed 2011Position), second
Plug-in strip 102 connect that (the second plug-in strip 102 is in S with the second reed 2022Position), then the second pantograph 502 is isolated, merely with first
Pantograph 501 is powered；
(2) second of state: the first plug-in strip 101 connect that (the first plug-in strip 101 is in E with third reed 2031Position), and the
Two plug-in strips 102 connect that (the second plug-in strip 102 is in E with the 4th reed 2042Position), then the first pantograph 501 is isolated, merely with the
The power supply of two pantographs 502；
(3) the third state: the first plug-in strip 101 connect that (the first plug-in strip 101 is in S with the first reed 2011Position), and the
Two plug-in strips 102 connect that (the second plug-in strip 102 is in E with the 4th reed 2042Position), then the first pantograph 501, the second pantograph 502
In can only there is one to can be at rising bow state, and power merely with the pantograph in rising bow state；
(4) the 4th kinds of states: the first plug-in strip 101 connect that (the first plug-in strip 101 is in E with third reed 2031Position), and the
Two plug-in strips 102 connect that (the second plug-in strip 102 is in S with the second reed 2022Position), then the first pantograph 501, the second pantograph 502
In can only there is one to can be at rising bow state, and power merely with the pantograph in rising bow state.
As shown in Figs 1-4, when connecting locomotive gas circuit and the first plug-in strip 101 is connect with the first reed 201, if being switched
The signal of state applies DC110V power supply, the F of the first solenoid valve 11 at the end NPR1It holds and instantaneous electric (while guaranteeing the first electromagnetism
The T of valve 111End is without electricity), then energized action, opens the F of the first solenoid valve 111Gas transmission gas circuit is held, compressed air is through the first solenoid valve
11 enter the corresponding F of the first cylinder 211One end (while corresponding T of the first cylinder 211The other end gas pass through the first solenoid valve
11 exhaust gas circuit is discharged through the first muffler), push the first control stick 31 that first rotating shaft is made to drive the rotation of the first main shaft 91
60 ° so that the first pull rod 62 drive the first plug-in strip 101 disconnect with the connection of the first reed 201, and make the first plug-in strip 101 with
Third reed 203 connects.While first main shaft 91 rotates, the first cam 51 and the second cam that are fixed on the first main shaft 91
52 rotate 60 °, so that respectively driving the first interlocking 71, second interlocking 72 changes folding condition, and interlock 71, second for first
The state of interlocking 72 feeds back to vehicle control system.
When connecting locomotive gas circuit and the first plug-in strip 101 is connect with third reed 203, if obtaining the signal of switching state,
Apply DC110V power supply, the T of the first solenoid valve 11 at the end KLM1It holds and instantaneous electric (while guaranteeing the F of the first solenoid valve 111Hold nothing
Electricity), then energized action, opens the T of the first solenoid valve 111Gas transmission gas circuit is held, compressed air enters first through the first solenoid valve 11
Cylinder 21 corresponds to T1One end (while corresponding F of the first cylinder 211The gas of the other end pass through the exhaust gas of the first solenoid valve 11
Road is discharged through the first muffler), push the first control stick 31 to make first rotating shaft that the first main shaft 91 be driven to rotate 60 °, so that first
Pull rod 61 drives the first plug-in strip 101 to disconnect the connection with third reed 203, and the first plug-in strip 101 and the first reed 201 are connected
It connects.While first main shaft 91 rotates, the first cam 51 and the second cam 52 being fixed on the first main shaft 91 rotate 60 °,
Change folding condition to respectively drive the first interlocking 71, second interlocking 72, and the first interlocking 71, second is interlocked to 72 state
Feed back to vehicle control system.
Second plug-in strip 102 and the combined floodgate of the first plug-in strip 101 are similar with the course of work of separating brake, wherein the first solenoid valve 11,
First cylinder 21, the first control stick 31, first rotating shaft, the first main shaft 91, the first pull rod 61, the first cam 51, the second cam 52,
First the 72, first muffler of the 71, second interlocking of interlocking respectively with second solenoid valve 12, the second cylinder 22, the second control stick 32, the
Two shafts, the second main shaft 92, the second pull rod 62, third cam 53, the 4th cam 54, the 73, the 4th interlocking 74, second of third interlocking
The course of work of muffler is similar, repeats no more.
Two trains join again when, when the rows of vehicle bow failures or voltage instability the case where, but still there is passenger to need to supply
Electricity, then another column locomotive is also by first locomotive power supply.Two trains join again when, then the main circuit of two trains connects with static contact
It connects, to realize the manipulation of more locomotives.
The present invention has following characteristic:
(1) dual gate knife structure:
Dual gate knife frame mode is used in the present invention, realizes that function is isolated in roof high-voltaghe compartment electric appliance by two sets of close/open machines
Can, meet high-voltaghe compartment high voltage isolator requirement.
Two-way isolation is realized by a high voltage isolator.Dual gate knife frame mode is used, is connected by two groups of gas circuits
The route excision for connecing control plug-in strip, completes the single driving of dual gate knife.The type high voltage isolator has been broken former using two
High voltage isolator layout type is realized the isolation of roof high pressure main circuit two-way using high voltage isolator and is again joined.
(2) high voltage isolator in the present invention realizes that two-way controls function using two groups of cylinder solenoid valve integrated controls
Energy.By two-way cylinder solenoid-driven the first plug-in strip 101 and the second plug-in strip 102, the two-way control to high voltage isolator is completed
System.
(3) dual gate knife in the present invention uses rotating form blade, when guaranteeing normal current and high-voltaghe compartment reed
It comes into full contact with, increases the contact area of plug-in strip and reed, guarantee effective contact area, guarantee its electric conductivity.
(4) measurement and feedback letter to high voltage isolator mechanical life are realized using electronic counter device in the present invention
Number measurement, guarantee high voltage isolator plug-in strip movement and feedback signal synchronism, by measurement guarantee signal Normal Feedback,
And data reference is provided for follow-up signal on-line monitoring.
(5) bearing construction, cylinder, solenoid valve and insulator support construction are assembled using Undercarriage structure in the present invention
It installs concentratedly on Undercarriage structure, guarantees rotation reliability requirement.
(6) cylinder solenoid valve uses low temperature resistant Pneumatic component in the present invention, meets -50 ° of low temperature storages, -40 ° of low temperature movements
Performance requirement meets domestic and international locomotive and the high and cold use environment requirement of EMU.
The embodiments of the present invention have been described in detail above, but content is only the preferred embodiment of the present invention,
It should not be considered as limiting the scope of the invention.All changes and improvements made in accordance with the scope of the present invention, should all
It still belongs within this patent covering scope.
Claims (9)
1. a kind of high voltage isolator, it is characterised in that: including the first plug-in strip (101), the second plug-in strip (102), the first reed
(201), the second reed (202), third reed (203), the 4th reed (204), further include drive respectively the first plug-in strip (101),
The first main shaft (91), the second main shaft (92) of second plug-in strip (102) rotation, further include respectively driving the first main shaft (91), second
The first control mechanism, the second control mechanism of main shaft (92) rotation；One end of first plug-in strip (101) is with the first main shaft
(91) rotation is switchably connect with the first reed (201) or third reed (203), one end of second plug-in strip (102)
As the rotation of the second main shaft (92) is switchably connect with the second reed (202) or the 4th reed (204)；First plug-in strip
(101) other end of the other end, the second plug-in strip (102) is connect with static contact (60) and is turned with static contact (60) for axis
Dynamic, first reed (201) and the second reed (202) are connected and connect with the first pantograph (501), the third reed
(203) it is connected and is connect with the second pantograph (502) with the 4th reed (204).
2. high voltage isolator according to claim 1, it is characterised in that: further include being fixed at the first main shaft (91)
On the first cam (51), the second cam (52), further include the third cam (53) being fixed on the second main shaft (92),
Four cams (54)；It further include respectively by first cam (51), the second cam (52), third cam (53), the 4th cam
(54) the first interlocking (71) and the second interlocking (72), third interlocking (73), the 4th interlocking (74) of driving；First interlocking
(71), second (72) are interlocked as the rotation of the first main shaft (91) is switchably in closed state or off-state；Described
Three interlockings (73), the 4th interlock (74) as the rotation of the second main shaft (92) is switchably in closed state or off-state；
First interlocking (71) and the second interlocking (72) have opposite folding condition, and third interlocks (73) and the 4th interlocking (74) tool
There is opposite folding condition；It further include to first interlocking (71), the second interlocking (72), third interlocking (73), the 4th interlocking
(74) the Interlock Status monitoring device that folding condition is monitored, first interlocking (71) and the second interlocking (72) and first
The state of plug-in strip (101) is corresponding, and the third interlocking (73) and the 4th interlocking (74) are corresponding with the state of the second plug-in strip (102).
3. high voltage isolator according to claim 1, it is characterised in that: first control mechanism includes the first electromagnetism
Valve (11), the first cylinder (21), second control mechanism include second solenoid valve (12), the second cylinder (22), and described first
Two outlets of solenoid valve (11) are connected to two gas circuit mouths of first cylinder (21) respectively, the second solenoid valve (12)
Two outlets be connected to respectively with two gas circuit mouths of second cylinder (22).
4. high voltage isolator according to claim 3, it is characterised in that: further include Undercarriage structure (40) and be used to support
The insulator support construction (30) of the static contact (60), first solenoid valve (11), the first cylinder (21), second solenoid valve
(12), the second cylinder (22), insulator support construction (30) are installed on Undercarriage structure (40).
5. high voltage isolator according to claim 2, it is characterised in that: the Interlock Status monitoring device is electrometer
Number device device.
6. high voltage isolator described in any one of -4 according to claim 1, it is characterised in that: first plug-in strip (101)
And/or second plug-in strip (102) use rotating form blade.
7. a kind of high-voltaghe compartment, it is characterised in that: including high voltage isolator of any of claims 1-6.
8. a kind of high voltage isolator control method using the high voltage isolator of any of claims 1-6,
It is characterized in that, including the method for the first pantograph (501) and the method for isolation the second pantograph (502) is isolated；
It is described isolation the first pantograph (501) method include:
If the first plug-in strip (101) is connect with the first reed (201), the first control mechanism drives the first main shaft (91) rotation, the
One main shaft (91) drives the first plug-in strip (101) rotation, so that the first plug-in strip (101) is switched to from connecting with the first reed (201)
It is connect with third reed (203)；And
If the second plug-in strip (102) is connect with the second reed (202), the second control mechanism drives the second main shaft (92) rotation, the
Two main shafts (92) drive the second plug-in strip (102) rotation, so that the second plug-in strip (102) is switched to from connecting with the second reed (202)
It is connect with the 4th reed (204)；
It is described isolation the second pantograph (502) method include:
If the first plug-in strip (101) is connect with third reed (203), the first control mechanism drives the first main shaft (91) rotation, the
One main shaft (91) drives the first plug-in strip (101) rotation, so that the first plug-in strip (101) is switched to from connecting with third reed (203)
It is connect with the first reed (201)；And
If the second plug-in strip (102) is connect with the 4th reed (204), the second control mechanism drives the second main shaft (92) rotation, the
Two main shafts (92) drive the second plug-in strip (102) rotation, so that the second plug-in strip (102) is switched to from connecting with the 4th reed (204)
It is connect with the second reed (202).
9. high voltage isolator control method according to claim 8, it is characterised in that: further include plug-in strip state
The monitoring method of monitoring method, the plug-in strip state includes:
If the first interlocking (71), the second interlocking (72) are in opposite folding condition, judge that the first plug-in strip (101) complete connection
The switching of state；And/or
If third interlocking (73), the 4th interlocking (74) are in opposite folding condition, judge that the second plug-in strip (102) complete connection
The switching of state.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710211404.9A CN106847580B (en) | 2017-03-31 | 2017-03-31 | A kind of high voltage isolator, high-voltaghe compartment and high voltage isolator control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710211404.9A CN106847580B (en) | 2017-03-31 | 2017-03-31 | A kind of high voltage isolator, high-voltaghe compartment and high voltage isolator control method |
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| CN106847580B true CN106847580B (en) | 2018-12-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112224026B (en) * | 2020-11-09 | 2022-01-18 | 中车株洲电力机车有限公司 | Locomotive high-voltage control circuit, high-voltage box and locomotive |
| CN112885637B (en) * | 2021-01-13 | 2022-12-13 | 株洲中车时代电气股份有限公司 | Conversion drum type three-position switch device and control method and system thereof |
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| CN201956252U (en) * | 2011-03-24 | 2011-08-31 | 南车株洲电力机车有限公司 | High-voltage isolating switch in locomotive cabinet |
| CN204067157U (en) * | 2014-06-12 | 2014-12-31 | 北京赛德高科铁道电气科技有限责任公司 | Locomotive swing-in high voltage isolator |
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