CN104309634A - Vehicle safety interlocking system and railway vehicle - Google Patents
Vehicle safety interlocking system and railway vehicle Download PDFInfo
- Publication number
- CN104309634A CN104309634A CN201410502636.6A CN201410502636A CN104309634A CN 104309634 A CN104309634 A CN 104309634A CN 201410502636 A CN201410502636 A CN 201410502636A CN 104309634 A CN104309634 A CN 104309634A
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- switch
- conducting
- vehicle
- coil
- relay
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Classifications
-
- 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
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 guideway vehicle.
Background technology
City railway vehicle adopts ATP protection method when main track is runed, at some in emergency circumstances, the shutoff of trigger emergency brake switch can carry out emergency braking to vehicle, but in actual applications, may cause vehicle cannot emergency braking normally because of emergency stop switch cisco unity malfunction, the generation of dangerous situation may be caused.
Summary of the invention
The object of this invention is to provide a kind of vehicle safety interlock system that can reduce guideway vehicle operation risk.
The invention provides a kind of vehicle safety interlock system, comprise the first braking relay, the second braking relay, the first emergency stop switch, the second emergency stop switch;
Described first emergency stop switch is connected between the power input of described system and the first contact, the first end of the coil of described first braking relay connects the second contact, when described second braking relay adhesive, described first contact is connected with described second contact by the rank plate of described second braking relay;
Described second emergency stop switch is connected between the power input of described system and the 3rd contact, the first end of the coil of described second braking relay connects the 4th contact, when described first braking relay adhesive, described 3rd contact is connected with described 4th contact by the rank plate of described first braking relay.
Preferably, described first emergency stop switch and the second emergency stop switch turn off when receiving emergency brake signal.
Preferably, also comprise two BCG signal triggering and conducting switches, one BCG signal triggering and conducting switch is connected between the first end of the power input of described system and the coil of described first braking relay, 2nd BCG signal triggering and conducting switch is connected between the first end of the power input of described system and the coil of described second braking relay, a BCG signal triggering and conducting switch and the 2nd BCG signal triggering and conducting switch conducting when the number in the normal compartment of BCG is greater than setting value.
Preferably, also comprise two vehicle-mounted zero-speed signal triggering and conducting switches, first vehicle-mounted zero-speed signal triggering and conducting switch is connected between the first end of the power input of described system and the coil of the first braking relay after connecting with a BCG signal triggering and conducting switch, second vehicle-mounted zero-speed signal triggering and conducting switch is connected between the first end of the power input of described system and the coil of the second braking relay after connecting with the 2nd BCG signal triggering and conducting switch, first vehicle-mounted zero-speed signal triggering and conducting switch and second vehicle-mounted zero-speed signal triggering and conducting switch all conductings when receiving vehicle-mounted zero-speed signal.
Preferably, vehicle zero-speed signal triggering and conducting switch, first mode select switch is also comprised, the second Pattern Select Switch; Described first mode select switch and the conducting when being set as specific pattern by user of described second Pattern Select Switch;
Described first mode select switch and described vehicle zero-speed triggering and conducting switch are connected the two ends being connected in parallel on described second vehicle-mounted zero-speed signal triggering and conducting switch after connecting, and described second Pattern Select Switch is connected between the first end of the coil of two braking relays.
Preferably, also comprise overspeed signal and trigger cut-off switch and three-mode select switch, described overspeed signal triggers the two ends being parallel to described second emergency stop switch after cut-off switch is connected with three-mode select switch, and turns off after receiving overspeed signal; The conducting when being set as specific pattern by user of described three-mode select switch.
Preferably, also comprise a controller, between the first end that described controller is connected to the first end of the coil of the first braking relay and the coil of the second braking relay and the power input of described system, and by subscriber switch to conducting during ad-hoc location.
Preferably, also comprise foldback signal triggering and conducting switch, described foldback signal triggering and conducting switch is in parallel with described controller, and when vehicle is turned back conducting Preset Time.
Preferably, also comprise: Dead Man Switch dead person switch, described dead person's switch is connected with the power input of described vehicle safety interlock system, as the main supply switch of described system.
Present invention also offers a kind of guideway vehicle, comprise the vehicle safety interlock system described in above-mentioned any one.
In vehicle safety interlock system provided by the invention, the coil of the first braking relay is connected with power input with the first emergency stop switch via the rank plate of the second braking relay, the coil of the second braking relay is connected with power input with the second emergency stop switch via the rank plate of the first braking relay, if the first emergency stop switch disconnects like this, the first braking relay then can be caused to disconnect, and the second braking relay can be caused cannot to be connected with power input due to the disconnection of the first braking relay, cause the second braking relay also to disconnect; Accordingly, the second emergency stop switch disconnects, and the second braking relay and the first braking relay also can be caused to disconnect.Even if there is one of them emergency stop switch fault in vehicle safety interlock system provided by the invention, another one emergency stop switch also can disconnect by triggered as normal two braking relays, system can not be reduced the probability of emergency braking greatly, thus reduce the risk of system cloud gray model.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of vehicle safety interlock system provided by the invention;
Fig. 2 is the diagram of circuit that guideway vehicle provided by the invention carries out BCG detection;
Fig. 3 is the structural representation of controller in the vehicle safety interlock system of controller provided by the invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
The invention provides a kind of vehicle safety interlock system, as shown in Figure 1, comprising: the first switch 101, second switch 102, first relay, the second relay; First relay comprises coil 201 and rank plate 202, second relay comprises coil 203 and rank plate 204, and in actual applications, the first relay and the second relay are as braking relay, and namely when the first relay or the second relay disconnect, vehicle is braked.
First switch 101 is connected between the power input (Input) of the first contact T1 and system.Second switch 102 is connected to and between the 3rd contact T3 and power input.First switch 101 and second switch 102 are emergency stop switch, the shutoff that this emergency stop switch can be artificial, and the emergency brake signal that also can send at the cab signal device receiving vehicle turns off later.
The a end of the coil 201 of the first relay is connected with the second contact T2, and b holds ground connection, and when the coil 203 of the second relay is energized, the first contact T1 is connected with the second contact T2 by the rank plate 204 of the second relay.The c end of the coil 201 of the first relay is connected with the second contact T4, and d holds ground connection, and when the coil 204 of the second relay is energized, the 3rd contact T3 is connected with the 4th contact T4 by the rank plate 202 of the first relay.
In vehicle safety interlock system provided by the invention, if the first switch 101 disconnects, then can cause coil 201 dead electricity of the first relay, thus make 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 of the second relay depart from the first contact T1 and the second contact T2, cause coil 203 dead electricity of the first relay, the rank plate 202 of the first relay departs from the 3rd contact T3 and the 4th contact T4.Accordingly, if second switch 102 disconnects, the rank plate 202 of the first relay and the rank plate 204 of the second relay can be caused too to depart from open contact, finally make emergency brake of vehicle.Visible, in vehicle safety interlock system provided by the invention, as long as there is one of them emergency stop switch normally to receive emergency brake signal and to disconnect after receiving emergency brake signal, two braking relays can both be made all to disconnect, the system of greatly reducing can not the probability of emergency braking, and then reduces the risk of system cloud gray model.
Preferably, as shown in Figure 1, this system also comprises the 3rd switch 103 and the 4th switch 104, between wherein a of the 3rd switch 103 power input and coil 103 that are connected to system holds, before the c of power input and coil 104 that the 4th switch 104 is connected to system holds, 3rd switch 103 and the 4th switch 104 are triggering and conducting switch, the conducting when the number in the normal compartment of BCG (axle braking force) is greater than setting value.
In the present invention, the BCG in a compartment of indication normally refers to, this car compartment can normal output shaft braking force, brakes compartment.In actual applications, can be as shown in Figure 2, whether the BCG detecting device making train controller trigger each compartment can normally detect by output shaft braking force respective compartment, and be sent to corresponding train controller by vehicle-carrying communication network, train controller sends conducting energizing signal when determining that the number in the normal compartment of BCG is greater than setting value to the 3rd switch 103 and the 4th switch 104, triggers the 3rd switch 103 and the 4th switch 104 conducting.Or also can arrange switch 103 and switch 104 that one comprises counting machine, this counting machine counts the normal BCG signal that each compartment sends, and the conducting when being greater than preset value.Certain those skilled in the art can also adopt other embodiment as required, no longer describe in detail in the present invention.
In a particular application, after emergency braking, before vehicle reruns, need again to make the first relay and the second relay adhesive, otherwise vehicle cannot be advanced.And now because rank plate 202 and 204 departs from open contact, cannot power up coil 201 and coil 203.On this basis, need to be powered up coil 201 and 203 by other branch roads.During concrete enforcement, can power up from drawing between the first switch 101 and power input a branch road to coil 203 pairs of coils 203, accordingly, can power up from drawing between second switch 102 and power input a branch road to coil 204 pairs of coils 204.After two equal adhesives of relay, corresponding branch road disconnects.More specifically, a switch (being assumed to be switch X) can be set before a of power input and coil 203 holds, hold at the b of power input and coil 203 and another switch Y is set, when this switch X and Y closes, the first end of coil 201 and coil 203 is powered, corresponding contact is connected with 204 by rank plate 202, and afterwards after the first switch 101 and second switch 102 close, switch X and Y disconnects.
In the preferred embodiment of the present invention, reset by the 3rd switch 103 and the 4th switch 104 pairs of coils 201 and coil 203, because the 3rd switch 103 and the 4th switch 104 only can the conductings when the number in the normal compartment of BCG (axle braking force) is greater than setting value, if then BCG (axle braking force) abnormal compartment is too much, 3rd switch 103 and the 4th switch 104 cannot close, accordingly, also just cannot make the first relay and the second relay adhesive, vehicle also cannot start.In this way, the abnormal compartment of BCG can be avoided too much to start when cannot normally brake, improve the safety of operation.
It is to be noted, if only comprise a switch (switch 103 or switch 104) on the above-mentioned branch road mentioned, then switch 103 and switch 104 at the first relay and the second relay adhesive and the first switch and second switch closed after should disconnect.
Further, as shown in Figure 1, this system also comprises the 5th switch 105 and the 6th switch 106, between a of power input and coil 201 that the 5th switch 105 is connected to described system after connecting with the 3rd switch 103 holds, between the c of power input and coil 203 that the 6th switch 106 is connected to described system after connecting with the 4th switch 104 holds, 5th switch 105 and the 6th switch 106 are triggering and conducting switch, all conductings when receiving vehicle-mounted zero-speed signal.5th switch 105 can be consistent with the design of the 3rd switch 103 and the 4th switch 104 with the concrete structure design of the 6th switch 106, 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, and safe class is higher, better can ensure the safe operation of vehicle.
Further, as shown in Figure 1, this system also comprises the 7th switch 107,8th switch 108, the 9th switch 109, wherein the 7th switch 107 is triggering and conducting switch, conducting after receiving vehicle zero-speed signal, the 8th switch 108 and the 9th switch 109 are Pattern Select Switch, in the conducting when being set as specific pattern (artificial non-limiting mode) by user;
8th switch 108 is connected the two ends being connected in parallel on the 6th switch 106 after connecting with the 7th switch 107, 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 provide vehicle-mounted zero-speed signal time, now driver can manually-operated vehicle.For making the first relay and the second relay adhesive, can by the 8th switch 108 and the 9th switch 109 conducting, the conducting after receiving vehicle zero-speed signal of such 7th switch 107, powers up coil 201 and coil 203, makes the first relay and the second relay adhesive.Here vehicle zero-speed signal is generally provided by motor vehicle braking system or Train Control and monitored control system.
In the specific implementation, after powering up coil 201 and coil 203, the 9th switch 109 should close.
Preferably, as shown in Figure 1, also comprise the tenth switch the 110 and the 11 switch 111, wherein the tenth switch 110 is for triggering shutdown switch, turns off after overspeed of vehicle being detected.11 switch 111 is Pattern Select Switch, the conducting when being set as specific pattern (artificial non-limiting mode) by user.Tenth switch 110 is parallel to the two ends of second switch 102 after connecting with the 11 switch 111.
Such design equally can cab signal device when normally can not provide emergency brake signal (now the first switch 101 and second switch 102 all turn off), when overspeed of vehicle, makes emergency brake of vehicle.
Preferably, also comprise this system and also comprise a duodecimo pass 112, this duodecimo is closed as controller, only by driver's switch to conducting during ad-hoc location, as shown in Figure 3, be a kind of structural representation that duodecimo closes 112, comprise three switch bit (promptly, braking and towing area), in the specific implementation, can make this switch only by switch to conducting during urgent position.
Duodecimo close 112 be connected to coil 201 a end and coil 203 c end with the power input of described system between, and by subscriber switch to conducting during ad-hoc location.As shown in Figure 1, when this system also comprises switch 103 and 104, duodecimo closes 112 at switch 103 with between 104 and the power input of system.If system does not comprise switch 103-107, now duodecimo is closed 112 and hold with a of coil 201 respectively to hold with the c of coil 203 and be connected, and a of coil 201 end is held with the c of coil 203 and is not connected.
The benefit arranging controller is, after emergency braking, to need in the presence of driver to the coil energization of the first relay and the second relay, to make the first relay and the second relay adhesive.Like this, vehicle can be avoided to start when there is no manual confirmation (failture evacuation).
Preferably, as shown in Figure 1, this system this comprise the 13 switch 113 be connected between controller and power input, this switch is also Pattern Select Switch, the conducting under artificial mode and artificial non-limiting mode of this switch.
The benefit done like this to increase the artificial degree participated in, and reduces the risk of vehicle operating further.
Further, as shown in Figure 1, this system can also comprise the 14 switch the 114 and the 15 switch 115, and the 14 switch the 114 and the 15 switch 115 is triggering and conducting switch, the conducting when receiving foldback signal, and turns off after the time that conducting is preset.The two ends of the circuit after switch 113 series connection of duodecimo pass the 112 and the 13 are parallel to after 14 switch the 114 and the 15 switch 115 series connection.
Vehicle reach home need to turn back time, can carry out emergency braking, now the first relay and the second relay all can turn off, and need again to make the first relay and the second relay adhesive.And this emergency braking itself is not cause due to fault, therefore also without the need to manual confirmation.In the preferred embodiment of the invention, 14 switch the 114 and the 15 switch 115 series connection after circuit and duodecimo close the 112 and the 13 switch 113 connect after circuit in parallel, when automatically turning back, the conducting of the 14 switch the 114 and the 15 switch 115 makes the first relay and the second relay adhesive, automatically without the need to artificial participation.
Further, this system also comprises sixteenmo and closes 116: this sixteenmo closes as dead person's switch (Dead Man Switch), and sixteenmo closes 116 and is connected with the power input of vehicle safety interlock system, as the main supply switch of described system.
Present invention also offers a kind of guideway vehicle, comprise the vehicle safety interlock system described in above-mentioned any one.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a vehicle safety interlock system, is characterized in that, comprises the first braking relay, the second braking relay, the first emergency stop switch, the second emergency stop switch;
Described first emergency stop switch is connected between the power input of described system and the first contact, the first end of the coil of described first braking relay connects the second contact, when described second braking relay adhesive, described first contact is connected with described second contact by the rank plate of described second braking relay;
Described second emergency stop switch is connected between the power input of described system and the 3rd contact, the first end of the coil of described second braking relay connects the 4th contact, when described first braking relay adhesive, described 3rd contact is connected with described 4th contact by the rank plate of described first braking relay.
2. the system as claimed in claim 1, is characterized in that, described first emergency stop switch and the second emergency stop switch turn off when receiving emergency brake signal.
3. the system as claimed in claim 1, it is characterized in that, also comprise two BCG signal triggering and conducting switches, one BCG signal triggering and conducting switch is connected between the first end of the power input of described system and the coil of described first braking relay, 2nd BCG signal triggering and conducting switch is connected between the first end of the power input of described system and the coil of described second braking relay, a BCG signal triggering and conducting switch and the 2nd BCG signal triggering and conducting switch conducting when the number in the normal compartment of BCG is greater than setting value.
4. system as claimed in claim 3, it is characterized in that, also comprise two vehicle-mounted zero-speed signal triggering and conducting switches, first vehicle-mounted zero-speed signal triggering and conducting switch is connected between the first end of the power input of described system and the coil of the first braking relay after connecting with a BCG signal triggering and conducting switch, second vehicle-mounted zero-speed signal triggering and conducting switch is connected between the first end of the power input of described system and the coil of the second braking relay after connecting with the 2nd BCG signal triggering and conducting switch, first vehicle-mounted zero-speed signal triggering and conducting switch and second vehicle-mounted zero-speed signal triggering and conducting switch all conductings when receiving vehicle-mounted zero-speed signal.
5. system as claimed in claim 4, is characterized in that, also comprise vehicle zero-speed signal triggering and conducting switch, first mode select switch, the second Pattern Select Switch; Described first mode select switch and the conducting when being set as specific pattern by user of described second Pattern Select Switch;
Described first mode select switch and described vehicle zero-speed triggering and conducting switch are connected the two ends being connected in parallel on described second vehicle-mounted zero-speed signal triggering and conducting switch after connecting, and described second Pattern Select Switch is connected between the first end of the coil of two braking relays.
6. the system as claimed in claim 1, it is characterized in that, also comprise overspeed signal and trigger cut-off switch and three-mode select switch, described overspeed signal triggers the two ends being parallel to described second emergency stop switch after cut-off switch is connected with three-mode select switch, and turns off after receiving overspeed signal; The conducting when being set as specific pattern by user of described three-mode select switch.
7. the system as described in any one of claim 1-6, it is characterized in that, also comprise a controller, between the first end that described controller is connected to the first end of the coil of the first braking relay and the coil of the second braking relay and the power input of described system, and by subscriber switch to conducting during ad-hoc location.
8. the system as claimed in claim 1, is characterized in that, also comprises foldback signal triggering and conducting switch, and described foldback signal triggering and conducting switch is in parallel with described controller, and when vehicle is turned back conducting Preset Time.
9. the system as claimed in claim 1, is characterized in that, also comprises: Dead Man Switch dead person switch, described dead person's switch is connected with the power input of described vehicle safety interlock system, as the main supply switch of described system.
10. a guideway vehicle, is characterized in that, comprises the vehicle safety interlock system described in above-mentioned any one.
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 |
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| Publication Number | Publication Date |
|---|---|
| CN104309634A true CN104309634A (en) | 2015-01-28 |
| CN104309634B CN104309634B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104820378A (en) * | 2015-04-13 | 2015-08-05 | 南车株洲电力机车有限公司 | 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 |
| CN108791259A (en) * | 2018-05-31 | 2018-11-13 | 中车青岛四方机车车辆股份有限公司 | Train redundancy brake apparatus and method |
| CN108995663A (en) * | 2018-07-20 | 2018-12-14 | 中车青岛四方机车车辆股份有限公司 | Switch the device and method of zero speed circuit and the rail vehicle with its device |
| CN113665549A (en) * | 2021-07-29 | 2021-11-19 | 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104820378A (en) * | 2015-04-13 | 2015-08-05 | 南车株洲电力机车有限公司 | Train activation control circuit and system |
| 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 |
| CN108791259A (en) * | 2018-05-31 | 2018-11-13 | 中车青岛四方机车车辆股份有限公司 | Train redundancy brake apparatus and method |
| CN108995663A (en) * | 2018-07-20 | 2018-12-14 | 中车青岛四方机车车辆股份有限公司 | Switch the device and method of zero speed circuit and the rail vehicle with its device |
| CN113665549A (en) * | 2021-07-29 | 2021-11-19 | 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 |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN104309634B (en) | 2017-01-11 |
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