CN104309634B - Vehicle safety interlocking system and railway vehicle - Google Patents
Vehicle safety interlocking system and railway vehicle Download PDFInfo
- Publication number
- CN104309634B CN104309634B CN201410502636.6A CN201410502636A CN104309634B CN 104309634 B CN104309634 B CN 104309634B CN 201410502636 A CN201410502636 A CN 201410502636A CN 104309634 B CN104309634 B CN 104309634B
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- switch
- conducting
- vehicle
- relay
- braking
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention provides a vehicle safety interlocking system and a railway vehicle. According to the vehicle safety interlocking system, a coil of a first braking relay is connected with a power input end through an armature plate of a second braking relay and a first emergency braking switch, a coil of a second braking relay is connected with the power input end through an armature plate of the first braking relay and a second emergency braking switch, so that if the first emergency braking switch is switched off, the first braking relay is switched off, and if the first braking relay is switched off, the second braking relay cannot be connected with the power input end, and thus the second braking relay is also switched off; correspondingly, the second braking relay and the first braking relay are disconnected due to the switching-off of the second emergency braking switch. According to the vehicle safety interlocking system provided by the invention, even one emergency braking switch has a fault, the other emergency braking switch can also normally trigger the two braking relays to be switched off, so that the probability that the system cannot emergently brake can be greatly reduced, and thus the risk of system operation is reduced.
Description
Technical field
The present invention relates to technical field of rail traffic, particularly relate to a kind of vehicle safety interlock system
And rail vehicle.
Background technology
City railway vehicle uses ATP protection method when main track is runed, in some urgent feelings
Under condition, emergency stop switch shutoff can be triggered vehicle is carried out brake hard, but in reality
In application, may cause the vehicle cannot be normal because of emergency stop switch cisco unity malfunction
Brake hard, may result in the generation of dangerous situation.
Summary of the invention
It is an object of the invention to provide a kind of vehicle peace that can reduce rail vehicle operation risk
Full interlock system.
The invention provides a kind of vehicle safety interlock system, including the first braking relay, the
Two braking relays, the first emergency stop switch, the second emergency stop switch；
Described first emergency stop switch is connected to the power input and first of described system and touches
Between point, the first end of the coil of described first braking relay connects the second contact, when described
During the second braking relay adhesive, the rank plate of described second braking relay is by described first contact
It is connected with described second contact；
Described second emergency stop switch is connected to the power input and the 3rd of described system and touches
Between point, the first end of the coil of described second braking relay connects the 4th contact, when described
During the first braking relay adhesive, the rank plate of described first braking relay is by described 3rd contact
It is connected with described 4th contact.
Preferably, described first emergency stop switch and the second emergency stop switch are receiving tightly
Turn off during anxious brake signal.
Preferably, also including two BCG signal triggering and conducting switches, a BCG signal triggers
Conducting switch is connected to the power input of described system and the line of described first braking relay
Between first end of circle, the 2nd BCG signal triggering and conducting switch is connected to the power supply of described system
Between first end of the coil of input and described second braking relay, a BCG signal touches
Send out conducting switch and the 2nd BCG signal triggering and conducting switch number in the normal compartment of BCG
Turn on more than during setting value.
Preferably, two vehicle-mounted zero-speed signal triggering and conducting switches, the first vehicle-mounted zero-speed are also included
Signal triggering and conducting switch is connected to described after connecting with a BCG signal triggering and conducting switch
Between first end of the power input of system and the coil of the first braking relay, second is vehicle-mounted
Zero-speed signal triggering and conducting switch is connected to after connecting with the 2nd BCG signal triggering and conducting switch
Between first end of the power input of described system and the coil of the second braking relay, first
Vehicle-mounted zero-speed signal triggering and conducting switch and the second vehicle-mounted zero-speed signal triggering and conducting switch all exist
Conducting when receiving vehicle-mounted zero-speed signal.
Preferably, also include that vehicle zero-speed signal triggering and conducting switch, first mode select switch,
Second mode selection switch；Described first mode selects switch and described second model selection to open
Close and turn on when being set as specific pattern by user；
Described first mode selects switch to connect after connecting with described vehicle zero-speed triggering and conducting switch
Connect the two ends being connected in parallel on described second vehicle-mounted zero-speed signal triggering and conducting switch, described second mould
Between first end of the coil that formula selection switch is connected to two braking relays.
Preferably, also include that overspeed signal triggers and disconnect switch and the 3rd mode selection switch, institute
State overspeed signal to trigger to disconnect after switch is connected with the 3rd mode selection switch and be parallel to described the
The two ends of two emergency stop switchs, and turn off after receiving overspeed signal；Described 3rd mould
Formula selects switch to turn on when being set as specific pattern by user.
Preferably, also including a controller, described controller is connected to the first braking relay
The first end of coil and the electricity of the first end and described system of coil of the second braking relay
Between the input of source, and turn on when by subscriber switch to ad-hoc location.
Preferably, also include that foldback signal triggering and conducting switchs, described foldback signal triggering and conducting
Switch in parallel with described controller, and turn on Preset Time when vehicle is turned back.
Preferably, also include: Dead Man Switch dead person switch, described dead person switch with
The power input of described vehicle safety interlock system is connected, as always opening of described system
Close.
Present invention also offers a kind of rail vehicle, including the vehicle safety described in any of the above-described item
Interlock system.
The present invention provide vehicle safety interlock system in, the coil of the first braking relay via
Rank plate and first emergency stop switch of the second braking relay are connected with power input, and second
The coil of braking relay is via the rank plate of the first braking relay and the second emergency stop switch
It is connected with power input, if the so first emergency stop switch disconnects, then can cause first
Braking relay disconnects, and owing to the disconnection of the first braking relay can cause the second braking relay
Device cannot be connected with power input, causes the second braking relay also to disconnect；Accordingly,
Two emergency stop switchs disconnect, and also result in the second braking relay and the first braking relay breaks
Open.Even if the vehicle safety interlock system that the present invention provides has one of them emergency stop switch
Fault, another one emergency stop switch also can disconnect by two braking relays of triggered as normal, makes
System can not the probability of brake hard be substantially reduced, thus reduces the risk that system is run.
Accompanying drawing explanation
The structural representation of a kind of vehicle safety interlock system that Fig. 1 provides for the present invention；
Fig. 2 carries out the flow chart of BCG detection for the rail vehicle that the present invention provides；
The structure of controller in the vehicle safety interlock system of the controller that Fig. 3 provides for the present invention
Schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is retouched further
State.Following example are only used for clearly illustrating technical scheme, and can not be with
This limits the scope of the invention.
The invention provides a kind of vehicle safety interlock system, as it is shown in figure 1, include: first
Switch 101, second switch the 102, first relay, the second relay；First relay includes
Coil 201 and rank plate 202, the second relay includes coil 203 and rank plate 204, applies in reality
In, the first relay and the second relay are as braking relay, i.e. when the first relay or
When two relays disconnect, vehicle is braked.
First switch 101 is connected to and the power input (Input) of the first contact T1 Yu system
Between.Second switch 102 is connected between the 3rd contact T3 and power input.First opens
Pass 101 and second switch 102 are emergency stop switch, the pass that this emergency stop switch can be artificial
Disconnected, it is also possible to close after the emergency brake signal that the cab signal device receiving vehicle sends
Disconnected.
The a end of the coil 201 of the first relay and the second contact T2 are connected, b end ground connection, the
When the coil 203 of two relays is energized, the rank plate 204 of the second relay is by the first contact T1
It is connected with the second contact T2.The c end of the coil 201 of the first relay and the second contact T4 are connected,
D end ground connection, when the coil 204 of the second relay is energized, the rank plate 202 of the first relay
3rd contact T3 and the 4th contact T4 is connected.
In the vehicle safety interlock system that the present invention provides, if the first switch 101 disconnection, then
Coil 201 dead electricity of the first relay can be caused, so that the rank plate 202 of the first relay
Depart from the 3rd contact T3 and the 4th contact T4, cause coil 203 dead electricity of the second relay, make
The rank plate 204 obtaining the second relay departs from the first contact T1 and the second contact T2, causes first to continue
Coil 203 dead electricity of electrical equipment, the rank plate 202 of the first relay departs from the 3rd contact T3 and the 4th and touches
Point T4.Accordingly, if second switch 102 disconnects, the first relay can be caused too
The rank plate 204 of rank plate 202 and the second relay departs from normally opened contact, finally makes vehicle promptly make
Dynamic.Visible, in the vehicle safety interlock system that the present invention provides, as long as there being one of them urgent
Brake switch can normally receive emergency brake signal and break after receiving emergency brake signal
Opening, two braking relays can be made all to disconnect, the system of greatly reducing can not promptly be made
Dynamic probability, and then reduce the risk that system is run.
Preferably, as it is shown in figure 1, this system also includes the 3rd switch 103 and the 4th switch 104,
Wherein the 3rd switch 103 is connected between the power input of system and a end of coil 103, the
Before four switches 104 are connected to the power input of system and the c end of coil 104, the 3rd switch
103 and the 4th switch 104 is triggering and conducting switch, at the normal car of BCG (axle braking force)
The number in railway carriage or compartment is more than conducting during setting value.
In the present invention, the BCG in a compartment of indication just refers to, and this car compartment can be the most defeated
Go out axle braking force, compartment is braked.In actual applications, can be as in figure 2 it is shown, make
Whether train controller triggers the BCG detection device in each compartment can be just to respective compartment
Often output shaft brake force detects, and is sent to corresponding train control by vehicle-carrying communication network
Device processed, train controller when determining the number in the normal compartment of BCG more than setting value to
3rd switch 103 and the 4th switch 104 send conducting and trigger signal, trigger the 3rd switch 103 Hes
4th switch 104 conducting.Or, it is also possible to a switch comprising enumerator 103 is set and opens
Closing 104, the normal BCG signal that each compartment is sent by this enumerator counts, and greatly
Turn on when preset value.Certainly those skilled in the art can also use other reality as required
Execute mode, the present invention no longer describes in detail.
In a particular application, after brake hard, before vehicle reruns, need again
Making the first relay and the second relay adhesive, otherwise vehicle will be unable to advance.And now due to
Rank plate 202 and 204 departs from normally opened contact, it is impossible to be powered up coil 201 and coil 203.?
On the basis of this, need by other branch roads, coil 201 and 203 to be powered up.When being embodied as, can
To draw a branch road to coil 203 to coil between the first switch 101 and power input
203 are powered up, accordingly, and can be from drawing one between second switch 102 and power input
Coil 204 is powered up by bar branch road to coil 204.After two equal adhesives of relay, accordingly
Branch road disconnect.More specifically, can arrange before the power input a end with coil 203
One switch (being assumed to be switch X), the b end at power input Yu coil 203 arranges another
Switch Y, during this switch X and Y Guan Bi, the first end of coil 201 and coil 203 is powered, rank
Corresponding contact is connected by plate 202 and 204, afterwards at the first switch 101 and second switch 102
After Guan Bi, switch X and Y disconnects.
In the preferred embodiment of the present invention, switch 104 to line by the 3rd switch 103 and the 4th
Circle 201 and coil 203 reset, owing to the 3rd switch 103 and the 4th switch 104 are only capable of
The number in the normal compartment of BCG (axle braking force) is more than conducting during setting value, if then BCG
(axle braking force) abnormal compartment is too much, and the 3rd switch 103 and the 4th switch 104 will be unable to
Guan Bi, accordingly, the most just cannot make the first relay and the second relay adhesive, vehicle also without
Method is started.In this way, it is possible to avoid the abnormal compartment of BCG too much cannot be normal
Start in the case of being braked, improve the safety of operation.
It is pointed out that if only comprising a switch (switch on branch road mentioned above
103 or switch 104), then switch 103 and switch are 104 at the first relay and the second relay
Adhesive and the first switch and second switch should disconnect after closing.
Further, as it is shown in figure 1, this system also includes the 5th switch 105 and the 6th switch
106, the 5th switch 105 is connected to the power supply input of described system with the 3rd switch 103 after connecting
Between end and a end of coil 201, the 6th switch 106 is connected to institute after connecting with the 4th switch 104
State between the power input of system and the c end of coil 203, the 5th switch 105 and the 6th switch
106 are triggering and conducting switch, all turn on when receiving vehicle-mounted zero-speed signal.5th switch
105 and the 6th switch 106 concrete structure design can with the 3rd switch 103 and the 4th switch
The design of 104 is consistent, no longer describes in detail at this.Here vehicle-mounted zero-speed signal refers to
The zero-speed signal that the cab signal device of vehicle sends, safe class is higher, it is possible to preferably protect
The safe operation of card vehicle.
Further, as it is shown in figure 1, this system also include the 7th switch 107, the 8th switch 108,
9th switch 109, wherein the 7th switch 107 switchs for triggering and conducting, is receiving vehicle zero
Turning on after speed signal, the 8th switch 108 and the 9th switch 109 are mode selection switch,
Turn on when being set as specific pattern (artificial non-limiting mode) by user；
8th switch 108 is connected in parallel on the two of the 6th switch 106 with being connected after the 7th switch 107 series connection
End, the 9th switch 109 is connected between a end of coil 201 and the c end of coil 203.
When cab signal device cannot normally work and provide vehicle-mounted zero-speed signal, now driver can
With manually-operated vehicle.For making the first relay and the second relay adhesive, can be by the 8th
Switch 108 and the 9th switch 109 conducting, such 7th switch 107 is receiving vehicle zero-speed letter
After number, conducting, powers up coil 201 and coil 203, makes the first relay and the second relay
Device adhesive.Here vehicle zero-speed signal typically by motor vehicle braking system or Train Control and
Monitoring system is given.
In the specific implementation, after powering up coil 201 and coil 203, the 9th switch 109 should
Work as Guan Bi.
Preferably, as it is shown in figure 1, also include the tenth switch the 110 and the 11st switch 111, its
In the tenth switch 110 for trigger turn off switch, after overspeed of vehicle being detected turn off.11st
Switch 111 is mode selection switch, is being set as specific pattern (artificial non-limit mould by user
Formula) time conducting.Tenth switch 110 is parallel to second switch after connecting with the 11st switch 111
The two ends of 102.
Such design equally cab signal device can not normally provide emergency brake signal
Time (now the first switch 101 and second switch 102 are turned off), when overspeed of vehicle, make
Obtain emergency brake of vehicle.
Preferably, also include that this system also includes that a twelvemo closes 112, this twelvemo
Close as controller, only turn on when being switched ad-hoc location by driver, as it is shown on figure 3, be the
Twelvemo closes a kind of structural representation of 112, (including three switch positions promptly, brakes and leads
Draw district), in the specific implementation, this switch can be made only to turn on when being switched on and off urgent position.
Twelvemo closes the 112 a ends being connected to coil 201 and the c end of coil 203 and described system
Power input between, and turn on when by subscriber switch to ad-hoc location.As it is shown in figure 1,
When this system also includes switching 103 and 104, twelvemo is closed 112 and is positioned at switch 103 and 104
And between the power input of system.If system does not include switching 103-107, now the tenth
Two switches 112 are connected with a end of coil 201 and the c end of coil 203 respectively, and a of coil 201
The c end of end and coil 203 is not attached to.
The benefit arranging controller is, after brake hard, needs ability in the presence of driver
The first relay and second can be made to continue the first relay and the coil energization of the second relay
Electrical equipment adhesive.In such manner, it is possible to avoid vehicle in the feelings not having manual confirmation (failture evacuation)
Start under condition.
Preferably, as it is shown in figure 1, this system this include one to be connected to controller defeated with power supply
Entering the 13rd switch 113 between end, this switch is also mode selection switch, and this switch is people
Turn under work pattern and artificial non-limiting mode.
Advantage of this is that the degree that can increase artificial participation, reduce vehicle further and run
Risk.
Further, as it is shown in figure 1, this system can also include the 14th switch 114 and the tenth
Five switch the 115, the 14th switch the 114 and the 15th switches 115 switch for triggering and conducting,
Conducting when receiving foldback signal, and turn off after the time that conducting is preset.14th switch
It is parallel to twelvemo after 114 and the 15th switch 115 series connection and closes the 112 and the 13rd switch 113
The two ends of the circuit after series connection.
Vehicle reach home need to turn back time, brake hard, now the first relay can be carried out
All can turn off with the second relay, need again to make the first relay and the second relay adhesive.
And this brake hard itself is not due to what fault caused, therefore without manual confirmation.
In the preferred embodiment of the invention, after the 14th switch the 114 and the 15th switch 115 series connection
Circuit and twelvemo close the circuit in parallel after the 112 and the 13rd switch 113 series connection, automatically
When turning back, the conducting of the 14th switch the 114 and the 15th switch 115 makes the first relay automatically
With the second relay adhesive, it is not necessary to manually participate in.
Further, this system also includes that sixteenmo closes 116: this sixteenmo closes as dead person
Switch (Dead Man Switch), sixteenmo pass 116 and vehicle safety interlock system
Power input is connected, as the main switch of described system.
Present invention also offers a kind of rail vehicle, including the vehicle safety described in any of the above-described item
Interlock system.
The above is only the preferred embodiment of the present invention, it is noted that lead for this technology
For the those of ordinary skill in territory, on the premise of without departing from the technology of the present invention principle, it is also possible to
Making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a vehicle safety interlock system, it is characterised in that include the first braking relay,
Second braking relay, the first emergency stop switch, the second emergency stop switch；
Described first emergency stop switch is connected to the power input and first of described system and touches
Between point, the first end of the coil of described first braking relay connects the second contact, when described
During the second braking relay adhesive, the rank plate of described second braking relay is by described first contact
It is connected with described second contact；
Described second emergency stop switch is connected to the power input and the 3rd of described system and touches
Between point, the first end of the coil of described second braking relay connects the 4th contact, when described
During the first braking relay adhesive, the rank plate of described first braking relay is by described 3rd contact
It is connected with described 4th contact.
2. the system as claimed in claim 1, it is characterised in that described first brake hard is opened
Close and the second emergency stop switch turns off when receiving emergency brake signal.
3. the system as claimed in claim 1, it is characterised in that also include two BCG signals
Triggering and conducting switchs, and the power supply that a BCG signal triggering and conducting switch is connected to described system is defeated
Between first end of the coil entering end and described first braking relay, the 2nd BCG signal triggers
Conducting switch is connected to the power input of described system and the line of described second braking relay
Between first end of circle, a BCG signal triggering and conducting switch and the 2nd BCG signal trigger and lead
Open up the number closed in the normal compartment of BCG more than conducting during setting value.
4. system as claimed in claim 3, it is characterised in that also include two vehicle-mounted zero-speeds
Signal triggering and conducting switchs, the first vehicle-mounted zero-speed signal triggering and conducting switch and a BCG signal
Power input and the first braking relay of described system it is connected to after triggering and conducting switch series connection
Between first end of the coil of device, the second vehicle-mounted zero-speed signal triggering and conducting switch and the 2nd BCG
Power input and second braking of described system it is connected to after the switch series connection of signal triggering and conducting
Between first end of the coil of relay, the first vehicle-mounted zero-speed signal triggering and conducting switch and second
Vehicle-mounted zero-speed signal triggering and conducting switch all turns on when receiving vehicle-mounted zero-speed signal.
5. system as claimed in claim 4, it is characterised in that also include vehicle zero-speed signal
Triggering and conducting switch, first mode select switch, the second mode selection switch；Described first
Mode selection switch and described second mode selection switch are being set as specific pattern by user
Time conducting；
Described first mode selects switch to connect with described vehicle zero-speed signal triggering and conducting switch
Rear connection is connected in parallel on the two ends of described second vehicle-mounted zero-speed signal triggering and conducting switch, and described the
Between first end of the coil that two modes selection switch is connected to two braking relays.
6. the system as claimed in claim 1, it is characterised in that also include that overspeed signal triggers
Disconnecting switch and the 3rd mode selection switch, described overspeed signal triggers and disconnects switch and the 3rd
It is parallel to the two ends of described second emergency stop switch after mode selection switch series connection, and is connecing
Turn off after receiving overspeed signal；Described 3rd mode selection switch be set as by user specific
Pattern time conducting.
7. the system as described in any one of claim 1-6, it is characterised in that also include
Controller, described controller is connected to the first end of the coil of the first braking relay with described
Between the power input of system, and it is connected to the first end of the coil of the second braking relay
And between the power input of described system, and turn on when by subscriber switch to ad-hoc location.
8. system as claimed in claim 7, it is characterised in that also include that foldback signal triggers
Conducting switch, described foldback signal triggering and conducting switch is in parallel with described controller, and at car
Conducting Preset Time when turning back.
9. the system as claimed in claim 1, it is characterised in that also include: Dead Man
Switch dead person switchs, and described dead person switch is defeated with the power supply of described vehicle safety interlock system
Enter end to be connected, as the main switch of described system.
10. a rail vehicle, it is characterised in that include described in any of the above-described claim
Vehicle safety interlock system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410502636.6A CN104309634B (en) | 2014-09-26 | 2014-09-26 | Vehicle safety interlocking system and railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410502636.6A CN104309634B (en) | 2014-09-26 | 2014-09-26 | Vehicle safety interlocking system and railway vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104309634A CN104309634A (en) | 2015-01-28 |
| CN104309634B true CN104309634B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410502636.6A Active CN104309634B (en) | 2014-09-26 | 2014-09-26 | Vehicle safety interlocking system and railway vehicle |
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| CN (1) | CN104309634B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104820378B (en) * | 2015-04-13 | 2017-08-18 | 南车株洲电力机车有限公司 | A kind of train activation control circuit and system |
| CN108622119A (en) * | 2018-05-11 | 2018-10-09 | 中车青岛四方机车车辆股份有限公司 | The active control method and device of track train |
| CN108791259B (en) * | 2018-05-31 | 2020-06-16 | 中车青岛四方机车车辆股份有限公司 | Train redundant braking device and method |
| CN108995663B (en) * | 2018-07-20 | 2020-04-14 | 中车青岛四方机车车辆股份有限公司 | Device and method for switching zero-speed circuit and railway vehicle with device |
| CN113665549B (en) * | 2021-07-29 | 2022-12-02 | 卡斯柯信号有限公司 | Locomotive vehicle braking method and device based on vehicle-mounted ATP (automatic train protection) equipment and LKJ (Link keying) equipment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8428289D0 (en) * | 1984-11-08 | 1984-12-19 | Westinghouse Brake & Signal | Actuator emergency operation |
| CN201816588U (en) * | 2010-09-28 | 2011-05-04 | 南车株洲电力机车有限公司 | Safe interlocking circuit based on electric breakdown emergency mode |
| CN103010033B (en) * | 2012-12-24 | 2015-03-25 | 中国北车集团大连机车车辆有限公司 | Emergency braking trigger control circuit and train |
| CN203005413U (en) * | 2013-01-06 | 2013-06-19 | 南车株洲电力机车有限公司 | Passenger emergency braking circuit for motor train set |
| CN203485913U (en) * | 2013-09-18 | 2014-03-19 | 南车株洲电力机车有限公司 | Control device suitable for interlocking of multiple brake controllers |
| CN103707873B (en) * | 2013-12-19 | 2016-03-16 | 南车株洲电力机车有限公司 | A kind of engineering maintenance vehicle safety return circuit and system |
| CN204222882U (en) * | 2014-09-26 | 2015-03-25 | 南车青岛四方机车车辆股份有限公司 | Vehicle safety interlock system and guideway vehicle |
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2014
- 2014-09-26 CN CN201410502636.6A patent/CN104309634B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104309634A (en) | 2015-01-28 |
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