CN103625298A - Pantograph control circuit and pantograph rising keeping circuit for single-end cab direct-current locomotive - Google Patents
Pantograph control circuit and pantograph rising keeping circuit for single-end cab direct-current locomotive Download PDFInfo
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- CN103625298A CN103625298A CN201310643742.1A CN201310643742A CN103625298A CN 103625298 A CN103625298 A CN 103625298A CN 201310643742 A CN201310643742 A CN 201310643742A CN 103625298 A CN103625298 A CN 103625298A
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Abstract
The invention discloses a pantograph rising keeping circuit. When stopping and end exchanging operation needs to be implemented, a driver firstly presses a pantograph rising keeping button of a segment of locomotive under the condition that the locomotive is static and a driver controller returns to a zero position, so that a time relay is electrified and pulled in, and the normally-open contact of the time relay is closed; the input end of a control circuit of a pantograph electromagnetic valve is used for supplying power, so that a coil of an intermediate relay is electrified and pulled in, and the normally-open contact of the intermediate relay is closed; the output end of a single-pole automatic switch of a pantograph is used for supplying standby power to the pantograph electromagnetic valve via the normally-open contact of the intermediate relay and the control circuit of the pantograph electromagnetic valve; after the driver places a pantograph key-lifting switch in the segment of locomotive back to a neutral position and pulls an electric key out, the standby power can be supplied to the pantograph electromagnetic valve to keep the pantograph in a rising state; then, the driver walks to another segment of locomotive to start up, and places a pantograph key-lifting switch of the other segment of locomotive to a corresponding place, so that the stopping and end exchanging operation can be realized on the single-end cab direct-current locomotive without pantograph exchanging operation.
Description
Technical field
The present invention relates to track traffic industry technology field, relate in particular to a kind of single-ended cab DC motorcycle pantograph control circuit and rising bow lock-out circuit.
Background technology
In prior art because safety requirements, locomotive main make between key-lifting switch and locomotive Electrical key, have mechanical interlocked, i.e. main order after key-lifting switch gets back to neutral position, locomotive Electrical key just can be pulled out.So existing single-ended cab DC locomotive is when end operation is changed in parking, driver needs first at this section locomotive, to carry out power-off operation, first Arno converter, mainly break, the key-lifting switch such as pantograph gets back to neutral position, then can extract locomotive Electrical key, go again another joint locomotive operation of starting shooting, again give upper Electrical key, then carry out rising bow, close the operations such as co-host break; So cause the parking of described single-ended cab DC locomotive to change end action need and when shutdown, first fall pantograph, then carry out the rise operation of pantograph when another joint locomotive start.
Yet at haze sleety weather, fall on the line bow, rising bow operation, easily produce locomotive roof flashover, even scaling loss contact system.So need to avoid changing bow operation in reality when end operation is changed in parking as far as possible.
Summary of the invention
In view of this, the invention provides a kind of single-ended cab DC motorcycle pantograph control circuit and rising bow lock-out circuit, to solve the problem that need to change bow operation in prior art when end operation is changed in parking.
To achieve these goals, the existing scheme proposing is as follows:
A single-ended cab DC locomotive rising bow lock-out circuit, described single-ended cab DC locomotive comprises pantograph control circuit, comprises time relay, rising bow hold button and intermediate relay, wherein:
Described time relay comprises control end B, power end A, ground terminal and open contact, and described control end B connects one end of described rising bow hold button; Described power end A connects pantograph one pole automatic switch mouth in described pantograph control circuit; One end of described open contact connects the power end of described intermediate relay, and the other end connects the input end of pantograph solenoid valve control circuit in described pantograph control circuit; The point of connection of described open contact and described pantograph solenoid valve control circuit input end is connected described pantograph one pole automatic switch mouth by the open contact of described intermediate relay;
The described rising bow hold button other end connects the driver controller zero signal line of described single-ended cab DC locomotive.
Preferably, described time relay is time delay turnoff time relay.
Preferably, described intermediate relay comprises: this section pantograph keeps intermediate relay and him to save pantograph maintenance intermediate relay;
Described this section pantograph keeps intermediate relay to comprise power end, ground terminal and open contact; Described power end connects one end of described time relay open contact; The other end of described time relay open contact connects described this section pantograph control line of electromagnetic valve, and this point of connection keeps intermediate relay open contact to connect described pantograph one pole automatic switch mouth by described this section pantograph;
It is described that he saves pantograph and keeps intermediate relay to comprise power end, ground terminal and open contact; Described power end connects one end of described time relay open contact; The other end of described time relay open contact connect described he save pantograph control line of electromagnetic valve, this point of connection by described he save pantograph and keep intermediate relay open contact to connect described pantograph one pole automatic switch mouth.
Preferably, also comprise: the anterior arch indicator lamp of negative earth and cantle indicator lamp; The positive pole of described anterior arch indicator lamp keeps intermediate relay open contact to receive a voltage signal by described this section pantograph; The positive pole of described cantle indicator lamp by described he save pantograph and keep intermediate relay open contact to receive described voltage signal.
Preferably, described indicator lamp operating voltage is 24V.
A single-ended cab DC motorcycle pantograph control circuit, comprising:
Input end connects the pantograph one pole automatic switch of power supply, for receiving and output supply voltage signal;
Input end connects the pantograph key-lifting switch of described pantograph one pole automatic switch mouth, for receiving and export described power supply voltage signal;
Input end connects the pantograph solenoid valve control circuit of described pantograph key-lifting switch mouth, for receiving described power supply voltage signal and being pantograph solenoid valve;
The rising bow lock-out circuit that connects respectively described pantograph solenoid valve control circuit input end, pantograph one pole automatic switch mouth and driver controller zero signal line, described rising bow lock-out circuit comprises time relay, rising bow hold button and intermediate relay, wherein:
Described time relay comprises control end B, power end A, ground terminal and open contact, and described control end B connects one end of described rising bow hold button; Described power end A connects pantograph one pole automatic switch mouth in described pantograph control circuit; One end of described open contact connects the power end of described intermediate relay, and the other end connects the input end of pantograph solenoid valve control circuit in described pantograph control circuit; The point of connection of described open contact and described pantograph solenoid valve control circuit input end is connected described pantograph one pole automatic switch mouth by the open contact of described intermediate relay;
The described rising bow hold button other end connects described driver controller zero signal line.
Preferably, described time relay is time delay turnoff time relay.
Preferably, described intermediate relay comprises: this section pantograph keeps intermediate relay and him to save pantograph maintenance intermediate relay;
Described this section pantograph keeps intermediate relay to comprise power end, ground terminal and open contact; Described power end connects one end of described time relay open contact; The other end of described time relay open contact connects described this section pantograph control line of electromagnetic valve, and this point of connection keeps intermediate relay open contact to connect described pantograph one pole automatic switch mouth by described this section pantograph;
It is described that he saves pantograph and keeps intermediate relay to comprise power end, ground terminal and open contact; Described power end connects one end of described time relay open contact; The other end of described time relay open contact connect described he save pantograph control line of electromagnetic valve, this point of connection by described he save pantograph and keep intermediate relay open contact to connect described pantograph one pole automatic switch mouth.
Preferably, also comprise: the anterior arch indicator lamp of negative earth and cantle indicator lamp; The positive pole of described anterior arch indicator lamp keeps intermediate relay open contact to receive a voltage signal by described this section pantograph; The positive pole of described cantle indicator lamp by described he save pantograph and keep intermediate relay open contact to receive described voltage signal.
Preferably, described indicator lamp operating voltage is 24V.
Preferably, the anterior arch indicator lamp in a joint locomotive is in parallel with the cantle indicator lamp in another joint locomotive by interior heavy on line.
Preferably, the rising bow hold button in two joint locomotives is by interior heavy on line electrical interlocks.
From above-mentioned technical scheme, can find out, rising bow lock-out circuit disclosed by the invention, when needs change end operation to single-ended cab DC locomotive execution parking, driver first presses the rising bow hold button of this section locomotive, driver controller zero signal line is that time relay control end B powers by described rising bow hold button, make described time relay obtain electric adhesive, the open contact of described time relay is closed; In pantograph control circuit, the voltage signal of pantograph solenoid valve control circuit input end makes the coil of intermediate relay obtain electric adhesive by the open contact of described time relay, makes the open contact of described intermediate relay closed; Pantograph one pole automatic switch mouth provides stand-by power supply by the closed open contact of described intermediate relay and described pantograph solenoid valve control circuit for pantograph electromagnetic valve in pantograph control circuit; After driver puts the pantograph key-lifting switch in this section locomotive and gets back to neutral position and extract Electrical key, described pantograph can also, by the closed open contact of described pantograph solenoid valve control circuit and described intermediate relay from the power taking of described pantograph one pole automatic switch mouth, make described pantograph keep rise state; Then driver goes to another joint locomotive and proceeds start operation, and the pantograph key-lifting switch of another joint locomotive is put to relevant position, realizes described single-ended cab DC locomotive is changed to end operation without the parking of changing bow operation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the disclosed single-ended cab DC motorcycle pantograph control circuit figure of the embodiment of the present invention;
Fig. 2 is the disclosed single-ended cab DC motorcycle pantograph control circuit figure of another embodiment of the present invention;
Fig. 3 is the disclosed single-ended cab DC motorcycle pantograph control circuit figure of another embodiment of the present invention;
Fig. 4 is the disclosed single-ended cab DC motorcycle pantograph control circuit figure of another embodiment of the present invention;
Fig. 5 is the disclosed single-ended cab DC motorcycle pantograph control circuit figure of another embodiment of the present invention;
Fig. 6 is the disclosed single-ended cab DC motorcycle pantograph control circuit figure of another embodiment of the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of single-ended cab DC locomotive rising bow lock-out circuit, described single-ended cab DC locomotive comprises pantograph control circuit, to solve the problem that need to change bow operation in prior art when end operation is changed in parking.
Concrete, as shown in Figure 1, in dotted line frame, be depicted as described single-ended cab DC locomotive rising bow lock-out circuit, comprise time relay KT, rising bow hold button S1 and intermediate relay KA, wherein:
Time relay KT comprises control end B, power end A, ground terminal and open contact KT0, and described control end B connects one end of rising bow hold button S1; Described power end A connects pantograph one pole automatic switch mouth in described pantograph control circuit; One end of open contact KT0 connects the power end of intermediate relay KA, and the other end connects the input end of pantograph solenoid valve control circuit in described pantograph control circuit; The point of connection of open contact KT0 and described pantograph solenoid valve control circuit input end is connected described pantograph one pole automatic switch mouth by the open contact KA0 of intermediate relay KA;
The rising bow hold button S1 other end connects the driver controller zero signal line of described single-ended cab DC locomotive.
Concrete principle of work is:
When needs change end operation to described single-ended cab DC locomotive execution parking, driver first presses the rising bow hold button S1 of this section locomotive, driver controller zero signal line is that time relay KT control end B powers by rising bow hold button S1, make time relay KT obtain electric adhesive, the open contact KT0 of time relay KT is closed; In pantograph control circuit, the voltage signal of pantograph solenoid valve control circuit input end makes the coil of intermediate relay KA obtain electric adhesive by the open contact KT0 of time relay KT, makes the open contact KA0 of intermediate relay KA closed; Pantograph one pole automatic switch mouth provides stand-by power supply by the closed open contact KA0 of intermediate relay KA and described pantograph solenoid valve control circuit for pantograph electromagnetic valve in pantograph control circuit; After driver puts the pantograph key-lifting switch SA in this section locomotive and gets back to neutral position and extract Electrical key, described pantograph can also, by the closed open contact KA0 of described pantograph solenoid valve control circuit and intermediate relay KA from the power taking of described pantograph one pole automatic switch mouth, make described pantograph keep rise state; Then driver goes to another joint locomotive and proceeds start operation, and the pantograph key-lifting switch SA of another joint locomotive is put to relevant position, realizes described single-ended cab DC locomotive is changed to end operation without the parking of changing bow operation.
The disclosed single-ended cab DC locomotive rising bow lock-out circuit of the present embodiment, makes described single-ended cab DC locomotive when end operation is changed in enforcement parking, first for described, in pantograph electromagnetic valve, provides stand-by power supply; After driver puts the pantograph key-lifting switch SA of this section locomotive and gets back to neutral position and extract Electrical key, then be described pantograph solenoid valve, make described pantograph remain rise state; As driver, go to another joint locomotive of described single-ended cab DC locomotive and proceed when operation start, the pantograph key-lifting switch SA in another joint locomotive is put to relevant position, realize the parking of described single-ended cab DC locomotive is changed to end operation; Whole parking is changed in end operating process and is not fallen bow, rising bow operation, has avoided haze sleety weather, falls on the line bow, rising bow operation, the results such as the locomotive roof flashover easily producing and catenary cut off.
Preferably, time relay KT is time delay turnoff time relay, and the delay time of described time delay turnoff time relay of take described as example as 5 minutes:
When time relay K T energising is after 5 minutes, time relay KT dead electricity, the open contact KT0 of time relay KT disconnects, intermediate relay KA dead electricity, the open contact KA0 that intermediate relay KA is closed disconnects, described pantograph is by described pantograph solenoid valve control circuit and pantograph key-lifting switch SA power taking in described another joint locomotive, and its rise state is maintained always.
If the rising bow hold button S1 of driver in a joint locomotive is pressed, in 5 minutes of time relay KT energising, fail to go to another joint locomotive of described single-ended cab DC locomotive and proceed start operation, after time relay KT dead electricity, the open contact KT0 of time relay KT disconnects, intermediate relay KA dead electricity, the open contact KA0 that intermediate relay KA is closed disconnects, described pantograph can not be again by described pantograph solenoid valve control circuit and the closed open contact KA0 of intermediate relay KA from the power taking of described pantograph one pole automatic switch mouth, also fail to realize described pantograph solenoid valve control circuit and the pantograph key-lifting switch SA power taking by another joint locomotive, described pantograph will be fallen, its rise state can not be maintained.
So in actual application, can set the delay time of described time delay turnoff time relay as the case may be, not necessarily must be defined as 5 minutes.
Preferably, as shown in Figure 2, intermediate relay KA comprises: this section pantograph keeps intermediate relay KA1 and him to save pantograph maintenance intermediate relay KA2;
This section pantograph keeps intermediate relay KA1 to comprise power end, ground terminal and open contact KA10; One end of described power end connecting time relay K T open contact KT0; The other end of time relay KT open contact KT0 connects described this section pantograph control line of electromagnetic valve, and this point of connection keeps intermediate relay KA1 open contact KA10 to connect described pantograph one pole automatic switch mouth by this section pantograph;
He saves pantograph and keeps intermediate relay KA2 to comprise power end, ground terminal and open contact KA20; One end of described power end connecting time relay K T open contact KT0; Described in the other end of time relay KT open contact KT0 connects, he saves pantograph control line of electromagnetic valve, and this point of connection saves pantograph by him and keeps intermediate relay KA2 open contact KA20 to connect described pantograph one pole automatic switch mouth.
When described single-ended cab DC locomotive has two pantographs: when this section pantograph and he save pantograph, described pantograph control circuit has two-way pantograph control line of electromagnetic valve: for described this section pantograph control line of electromagnetic valve and for described he save pantograph control line of electromagnetic valve; Accordingly, one end of time relay KT open contact KT0 connects respectively this section pantograph maintenance intermediate relay KA1 and he saves pantograph maintenance intermediate relay KA2, the other end of time relay KT open contact KT0 connects described this section pantograph control line of electromagnetic valve, and this point of connection keeps intermediate relay KA1 open contact KA10 to connect described pantograph one pole automatic switch mouth by this section pantograph; Described in the other end of time relay KT open contact KT0 also connects, he saves pantograph control line of electromagnetic valve, and this point of connection saves pantograph by him and keeps intermediate relay KA2 open contact KA20 to connect described pantograph one pole automatic switch mouth.
Supposing to stop while changing end operation, is described this section pantograph in rising the pantograph of state, and now described this section pantograph control line of electromagnetic valve has voltage signal; When driver presses after rising bow hold button S1, driver controller zero signal line is that time relay KT control end B powers by rising bow hold button S1, makes time relay KT obtain electric adhesive, and the open contact KT0 of time relay KT is closed; The voltage signal of described this section pantograph control line of electromagnetic valve makes this section pantograph keep the coil of intermediate relay KA1 to obtain electric adhesive by the open contact KT0 of time relay KT, makes this section pantograph keep the open contact KA10 of intermediate relay KA1 closed; Described pantograph one pole automatic switch mouth keeps open contact KA10 that intermediate relay KA1 is closed and described pantograph solenoid valve control circuit to provide stand-by power supply for described this section pantograph electromagnetic valve by this section pantograph; After driver puts the pantograph key-lifting switch SA in this section locomotive and gets back to neutral position and extract Electrical key, described this section pantograph can also keep open contact KA10 that intermediate relay KA1 is closed from the power taking of described pantograph one pole automatic switch mouth by described pantograph solenoid valve control circuit and this section pantograph, makes described this section pantograph keep rise state; Then driver goes to another joint locomotive and proceeds start operation, and the pantograph key-lifting switch SA of another joint locomotive is put to relevant position, realizes described single-ended cab DC locomotive is changed to end operation without the parking of changing bow operation.
Preferably, as shown in Figure 3, described single-ended cab DC locomotive rising bow lock-out circuit also comprises: the anterior arch indicator lamp A1 of negative earth and cantle indicator lamp A2; The positive pole of anterior arch indicator lamp A1 keeps intermediate relay KA1 open contact KA10 to receive a voltage signal by this section pantograph; The positive pole of cantle indicator lamp A2 saves pantograph by him and keeps intermediate relay KA2 open contact KA210 to receive described voltage signal.
Single-ended cab DC locomotive rising bow lock-out circuit in every joint locomotive is set up anterior arch indicator lamp A1 and cantle indicator lamp A2, change when operation end stopping, suppose that in rising the pantograph of state be described this section pantograph, after rising bow hold button S1 presses, time relay KT obtains electric adhesive, and the open contact KT0 of time relay KT is closed; The voltage signal of described this section pantograph control line of electromagnetic valve makes this section pantograph keep the coil of intermediate relay KA1 to obtain electric adhesive by the open contact KT0 of time relay KT, makes this section pantograph keep the open contact KA10 of intermediate relay KA1 closed; Described pantograph one pole automatic switch mouth keeps open contact KA10 that intermediate relay KA1 is closed and described pantograph solenoid valve control circuit to provide stand-by power supply for described this section pantograph electromagnetic valve by this section pantograph; Meanwhile, the positive pole of anterior arch indicator lamp A1 is lighted after having received described voltage signal by the closed open contact KA10 of this section pantograph maintenance intermediate relay KA1, shows that in rising the pantograph of state be described this section pantograph, for driver plays reminding effect; After driver puts the pantograph key-lifting switch SA in this section locomotive and gets back to neutral position and extract Electrical key, described this section pantograph can also keep open contact KA10 that intermediate relay KA1 is closed from the power taking of described pantograph one pole automatic switch mouth by described pantograph solenoid valve control circuit and this section pantograph, makes described this section pantograph keep rise state; Then driver goes to another joint locomotive and proceeds start operation, according to above-mentioned demonstration, the pantograph key-lifting switch SA of another joint locomotive is put to relevant position, realizes described single-ended cab DC locomotive is changed to end operation without the parking of changing bow operation.
Preferably, described indicator lamp operating voltage is 24V.In actual application, can provide operating voltage for two indicator lamps according to concrete circuit connection situation; And described voltage signal should be corresponding with the model of described two indicator lamps, when the model of described two indicator lamps changes when its reference work voltage is changed, described voltage signal should be taked corresponding variation.
Another embodiment of the present invention also provides a kind of single-ended cab DC motorcycle pantograph control circuit, as shown in Figure 4, comprising:
Input end connects the pantograph one pole automatic switch 101 of power supply;
Input end connects the pantograph key-lifting switch SA of pantograph one pole automatic switch mouth;
Input end connects the pantograph solenoid valve control circuit 102 of pantograph key-lifting switch SA mouth;
The rising bow lock-out circuit 103 that connects respectively pantograph solenoid valve control circuit 102 input ends, pantograph one pole automatic switch 101 mouths and driver controller zero signal line;
Rising bow lock-out circuit 103 comprises time relay KT, rising bow hold button S1 and intermediate relay KA, wherein:
Time relay KT comprises control end B, power end A, ground terminal and open contact KT0, and described control end B connects one end of rising bow hold button S1; Described power end A connects pantograph one pole automatic switch mouth; One end of open contact KT0 connects the power end of intermediate relay KA, and the other end connects the input end of pantograph solenoid valve control circuit 102; The point of connection of open contact KT0 and pantograph solenoid valve control circuit 102 input ends is connected pantograph one pole automatic switch mouth by the open contact KA0 of intermediate relay KA;
The rising bow hold button S1 other end connects the driver controller zero signal line of described single-ended cab DC locomotive.
Concrete principle of work is:
Pantograph one pole automatic switch 101 receives and output supply voltage signal; Pantograph key-lifting switch SA receives and exports described power supply voltage signal; Pantograph solenoid valve control circuit 102 receives described power supply voltage signal and is pantograph solenoid valve;
When needs change end operation to described single-ended cab DC locomotive execution parking, driver first presses the rising bow hold button S1 of this section locomotive, driver controller zero signal line is that time relay KT control end B powers by rising bow hold button S1, make time relay KT obtain electric adhesive, the open contact KT0 of time relay KT is closed; The voltage signal of pantograph solenoid valve control circuit 102 input ends makes the coil of intermediate relay KA obtain electric adhesive by the open contact KT0 of time relay KT, makes the open contact KA0 of intermediate relay KA closed; Pantograph one pole automatic switch mouth provides stand-by power supply by the closed open contact KA0 of intermediate relay KA and pantograph solenoid valve control circuit 102 for pantograph electromagnetic valve; After driver puts the pantograph key-lifting switch SA in this section locomotive and gets back to neutral position and extract Electrical key, described pantograph can also, by the closed open contact KA0 of pantograph solenoid valve control circuit 102 and intermediate relay KA from the power taking of pantograph one pole automatic switch mouth, make described pantograph keep rise state; Then driver goes to another joint locomotive and proceeds start operation, and the pantograph key-lifting switch SA of another joint locomotive is put to relevant position, realizes described single-ended cab DC locomotive is changed to end operation without the parking of changing bow operation.
The disclosed single-ended cab DC motorcycle pantograph control circuit of the present embodiment, when end operation is changed in described single-ended cab DC locomotive execution parking, rising bow lock-out circuit 103 is activated, for described pantograph electromagnetic valve provides stand-by power supply; When pantograph key-lifting switch SA gets back to after neutral position and Electrical key be pulled out, described pantograph electromagnetic valve, by described stand-by power supply power taking, makes described pantograph keep rise state; Whole parking is changed in end operating process and is not fallen bow, rising bow operation, has avoided haze sleety weather, falls on the line bow, rising bow operation, the results such as the locomotive roof flashover easily producing and catenary cut off.
Preferably, time relay KT is time delay turnoff time relay, and the delay time of described time delay turnoff time relay of take described as example as 5 minutes:
When time relay K T energising is after 5 minutes, time relay KT dead electricity, the open contact KT0 of time relay KT disconnects, intermediate relay KA dead electricity, the open contact KA0 that intermediate relay KA is closed disconnects, described pantograph is by pantograph solenoid valve control circuit 102 and pantograph key-lifting switch SA power taking in described another joint locomotive, and its rise state is maintained always.
If the rising bow hold button S1 of driver in a joint locomotive is pressed, in 5 minutes of time relay KT energising, fail to go to another joint locomotive of described single-ended cab DC locomotive and proceed start operation, after time relay KT dead electricity, the open contact KT0 of time relay KT disconnects, intermediate relay KA dead electricity, the open contact KA0 that intermediate relay KA is closed disconnects, described pantograph can not be again by pantograph solenoid valve control circuit 102 and the closed open contact KA0 of intermediate relay KA from the power taking of pantograph one pole automatic switch mouth, also fail to realize pantograph solenoid valve control circuit 102 and the pantograph key-lifting switch SA power taking by another joint locomotive, described pantograph will be fallen, its rise state can not be maintained.
So in actual application, can set the delay time of described time delay turnoff time relay as the case may be, not necessarily must be defined as 5 minutes.
Preferably, as shown in Figure 5, intermediate relay KA comprises: this section pantograph keeps intermediate relay KA1 and him to save pantograph maintenance intermediate relay KA2;
This section pantograph keeps intermediate relay KA1 to comprise power end, ground terminal and open contact KA10; One end of described power end connecting time relay K T open contact KT0; The other end of time relay KT open contact KT0 connects this section pantograph control line of electromagnetic valve, and this point of connection keeps intermediate relay KA1 open contact KA10 to connect pantograph one pole automatic switch mouth by this section pantograph;
He saves pantograph and keeps intermediate relay KA2 to comprise power end, ground terminal and open contact KA20; One end of described power end connecting time relay K T open contact KT0; The other end of time relay KT open contact KT0 connects him and saves pantograph control line of electromagnetic valve, and this point of connection saves pantograph by him and keeps intermediate relay KA2 open contact KA20 to connect pantograph one pole automatic switch mouth.
When described single-ended cab DC locomotive has two pantographs: when this section pantograph and he save pantograph, locomotive has two-way pantograph control line of electromagnetic valve: for described this section pantograph control line of electromagnetic valve and for described he save pantograph control line of electromagnetic valve; Accordingly, one end of time relay KT open contact KT0 connects respectively this section pantograph maintenance intermediate relay KA1 and he saves pantograph maintenance intermediate relay KA2, the other end of time relay KT open contact KT0 connects this section pantograph control line of electromagnetic valve, and this point of connection keeps intermediate relay KA1 open contact KA10 to connect pantograph one pole automatic switch mouth by this section pantograph; The other end of time relay KT open contact KT0 also connects pantograph solenoid valve control circuit 102 second input ends, and this point of connection saves pantograph by him and keeps intermediate relay KA2 open contact KA20 to connect pantograph one pole automatic switch mouth.
Supposing to stop while changing end operation, is described this section pantograph in rising the pantograph of state, and now this section pantograph control line of electromagnetic valve has voltage signal; When driver presses after rising bow hold button S1, driver controller zero signal line is that time relay KT control end B powers by rising bow hold button S1, makes time relay KT obtain electric adhesive, and the open contact KT0 of time relay KT is closed; The voltage signal of this section pantograph control line of electromagnetic valve makes this section pantograph keep the coil of intermediate relay KA1 to obtain electric adhesive by the open contact KT0 of time relay KT, makes this section pantograph keep the open contact KA10 of intermediate relay KA1 closed; Pantograph one pole automatic switch mouth keeps open contact KA10 that intermediate relay KA1 is closed and pantograph solenoid valve control circuit 102 to provide stand-by power supply for described this section pantograph electromagnetic valve by this section pantograph; After driver puts the pantograph key-lifting switch SA in this section locomotive and gets back to neutral position and extract Electrical key, described this section pantograph can also keep open contact KA10 that intermediate relay KA1 is closed from the power taking of pantograph one pole automatic switch mouth by pantograph solenoid valve control circuit 102 and this section pantograph, makes described this section pantograph keep rise state; Then driver goes to another joint locomotive and proceeds start operation, and the pantograph key-lifting switch SA of another joint locomotive is put to relevant position, realizes described single-ended cab DC locomotive is changed to end operation without the parking of changing bow operation.
Preferably, as shown in Figure 6, described single-ended cab DC motorcycle pantograph control circuit also comprises: the anterior arch indicator lamp A1 of negative earth and cantle indicator lamp A2; The positive pole of anterior arch indicator lamp A1 keeps intermediate relay KA1 open contact KA10 to receive a voltage signal by this section pantograph; The positive pole of cantle indicator lamp A2 saves pantograph by him and keeps intermediate relay KA2 open contact KA210 to receive described voltage signal.
Single-ended cab DC motorcycle pantograph control circuit in every joint locomotive is set up anterior arch indicator lamp A1 and cantle indicator lamp A2, change when operation end stopping, suppose that in rising the pantograph of state be described this section pantograph, after rising bow hold button S1 presses, time relay KT obtains electric adhesive, and the open contact KT0 of time relay KT is closed; The voltage signal of this section pantograph control line of electromagnetic valve makes this section pantograph keep the coil of intermediate relay KA1 to obtain electric adhesive by the open contact KT0 of time relay KT, makes this section pantograph keep the open contact KA10 of intermediate relay KA1 closed; Pantograph one pole automatic switch mouth keeps open contact KA10 that intermediate relay KA1 is closed and pantograph solenoid valve control circuit 102 to provide stand-by power supply for described this section pantograph electromagnetic valve by this section pantograph; Meanwhile, the positive pole of anterior arch indicator lamp A1 is lighted after having received described voltage signal by the closed open contact KA10 of this section pantograph maintenance intermediate relay KA1, shows that in rising the pantograph of state be described this section pantograph, for driver plays reminding effect; After driver puts the pantograph key-lifting switch SA in this section locomotive and gets back to neutral position and extract Electrical key, described this section pantograph can also keep open contact KA10 that intermediate relay KA1 is closed from the power taking of pantograph one pole automatic switch mouth by pantograph solenoid valve control circuit 102 and this section pantograph, makes described this section pantograph keep rise state; Then driver goes to another joint locomotive and proceeds start operation, according to above-mentioned demonstration, the pantograph key-lifting switch SA of another joint locomotive is put to relevant position, realizes described single-ended cab DC locomotive is changed to end operation without the parking of changing bow operation.
Preferably, described indicator lamp operating voltage is 24V.In actual application, can provide operating voltage for two indicator lamps according to concrete circuit connection situation; And described voltage signal should be corresponding with the model of described two indicator lamps, when the model of described two indicator lamps changes when its reference work voltage is changed, described voltage signal should be taked corresponding variation.
Preferably, the anterior arch indicator lamp A1 in a joint locomotive is in parallel with the cantle indicator lamp A2 in another joint locomotive by interior heavy on line.
If when the anterior arch indicator lamp A1 in a joint locomotive lights, representative is now described this section pantograph in rising the pantograph of state, and described this section pantograph is equivalent to cantle to another joint locomotive, so the anterior arch indicator lamp A1 in a joint locomotive is in parallel with the cantle indicator lamp A2 in another joint locomotive by interior heavy on line, when they light simultaneously, from logical perspective easy to understand, be difficult for makeing mistakes.
Preferably, rising bow hold button S1 in two joint locomotives is by interior heavy on line electrical interlocks, rising bow hold button S1 in two joint locomotives has electrical interlocks, press after the rising bow hold button S1 of certain joint locomotive, at the on-delay of setting in the time, rising bow hold button S1 in another joint locomotive is invalid, can avoid causing control logic chaotic because of misoperation.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (12)
1. a single-ended cab DC locomotive rising bow lock-out circuit, described single-ended cab DC locomotive comprises pantograph control circuit, it is characterized in that, comprises time relay, rising bow hold button and intermediate relay, wherein:
Described time relay comprises control end B, power end A, ground terminal and open contact, and described control end B connects one end of described rising bow hold button; Described power end A connects pantograph one pole automatic switch mouth in described pantograph control circuit; One end of described open contact connects the power end of described intermediate relay, and the other end connects the input end of pantograph solenoid valve control circuit in described pantograph control circuit; The point of connection of described open contact and described pantograph solenoid valve control circuit input end is connected described pantograph one pole automatic switch mouth by the open contact of described intermediate relay;
The described rising bow hold button other end connects the driver controller zero signal line of described single-ended cab DC locomotive.
2. rising bow lock-out circuit according to claim 1, is characterized in that, described time relay is time delay turnoff time relay.
3. rising bow lock-out circuit according to claim 1, is characterized in that, described intermediate relay comprises: this section pantograph keeps intermediate relay and him to save pantograph maintenance intermediate relay;
Described this section pantograph keeps intermediate relay to comprise power end, ground terminal and open contact; Described power end connects one end of described time relay open contact; The other end of described time relay open contact connects described this section pantograph control line of electromagnetic valve, and this point of connection keeps intermediate relay open contact to connect described pantograph one pole automatic switch mouth by described this section pantograph;
It is described that he saves pantograph and keeps intermediate relay to comprise power end, ground terminal and open contact; Described power end connects one end of described time relay open contact; The other end of described time relay open contact connect described he save pantograph control line of electromagnetic valve, this point of connection by described he save pantograph and keep intermediate relay open contact to connect described pantograph one pole automatic switch mouth.
4. rising bow lock-out circuit according to claim 3, is characterized in that, also comprises: the anterior arch indicator lamp of negative earth and cantle indicator lamp; The positive pole of described anterior arch indicator lamp keeps intermediate relay open contact to receive a voltage signal by described this section pantograph; The positive pole of described cantle indicator lamp by described he save pantograph and keep intermediate relay open contact to receive described voltage signal.
5. rising bow lock-out circuit according to claim 4, is characterized in that, described indicator lamp operating voltage is 24V.
6. a single-ended cab DC motorcycle pantograph control circuit, is characterized in that, comprising:
Input end connects the pantograph one pole automatic switch of power supply, for receiving and output supply voltage signal;
Input end connects the pantograph key-lifting switch of described pantograph one pole automatic switch mouth, for receiving and export described power supply voltage signal;
Input end connects the pantograph solenoid valve control circuit of described pantograph key-lifting switch mouth, for receiving described power supply voltage signal and being pantograph solenoid valve;
The rising bow lock-out circuit that connects respectively described pantograph solenoid valve control circuit input end, pantograph one pole automatic switch mouth and driver controller zero signal line, described rising bow lock-out circuit comprises time relay, rising bow hold button and intermediate relay, wherein:
Described time relay comprises control end B, power end A, ground terminal and open contact, and described control end B connects one end of described rising bow hold button; Described power end A connects pantograph one pole automatic switch mouth in described pantograph control circuit; One end of described open contact connects the power end of described intermediate relay, and the other end connects the input end of pantograph solenoid valve control circuit in described pantograph control circuit; The point of connection of described open contact and described pantograph solenoid valve control circuit input end is connected described pantograph one pole automatic switch mouth by the open contact of described intermediate relay;
The described rising bow hold button other end connects described driver controller zero signal line.
7. single-ended cab DC motorcycle pantograph control circuit according to claim 6, is characterized in that, described time relay is time delay turnoff time relay.
8. single-ended cab DC motorcycle pantograph control circuit according to claim 6, is characterized in that, described intermediate relay comprises: this section pantograph keeps intermediate relay and him to save pantograph maintenance intermediate relay;
Described this section pantograph keeps intermediate relay to comprise power end, ground terminal and open contact; Described power end connects one end of described time relay open contact; The other end of described time relay open contact connects described this section pantograph control line of electromagnetic valve, and this point of connection keeps intermediate relay open contact to connect described pantograph one pole automatic switch mouth by described this section pantograph;
It is described that he saves pantograph and keeps intermediate relay to comprise power end, ground terminal and open contact; Described power end connects one end of described time relay open contact; The other end of described time relay open contact connect described he save pantograph control line of electromagnetic valve, this point of connection by described he save pantograph and keep intermediate relay open contact to connect described pantograph one pole automatic switch mouth.
9. single-ended cab DC motorcycle pantograph control circuit according to claim 8, is characterized in that, also comprises: the anterior arch indicator lamp of negative earth and cantle indicator lamp; The positive pole of described anterior arch indicator lamp keeps intermediate relay open contact to receive a voltage signal by described this section pantograph; The positive pole of described cantle indicator lamp by described he save pantograph and keep intermediate relay open contact to receive described voltage signal.
10. single-ended cab DC motorcycle pantograph control circuit according to claim 9, is characterized in that, described indicator lamp operating voltage is 24V.
11. single-ended cab DC motorcycle pantograph control circuits according to claim 9, is characterized in that, the anterior arch indicator lamp in a joint locomotive is in parallel with the cantle indicator lamp in another joint locomotive by interior heavy on line.
12. single-ended cab DC motorcycle pantograph control circuits according to claim 6, is characterized in that, the rising bow hold button in two joint locomotives is by interior heavy on line electrical interlocks.
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| CN201310643742.1A CN103625298B (en) | 2013-12-03 | 2013-12-03 | A kind of single-ended cab DC motorcycle pantograph control circuit and rising bow lock-out circuit |
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| CN201310643742.1A CN103625298B (en) | 2013-12-03 | 2013-12-03 | A kind of single-ended cab DC motorcycle pantograph control circuit and rising bow lock-out circuit |
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| CN104325890A (en) * | 2014-11-28 | 2015-02-04 | 南车株洲电力机车有限公司 | Pantograph maintaining circuit of double-end cab direct-current locomotive |
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| CN105788913A (en) * | 2016-05-18 | 2016-07-20 | 中车株洲电力机车有限公司 | Storage battery electric power engineering vehicle high-voltage device cabinet door opening device |
| CN106379174A (en) * | 2016-09-13 | 2017-02-08 | 中车唐山机车车辆有限公司 | Pantograph control device and railway vehicle |
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| CN109849696A (en) * | 2018-11-27 | 2019-06-07 | 中车株洲电力机车有限公司 | A kind of electronic current collector control circuit of energy storage low floor vehicle |
| CN109849696B (en) * | 2018-11-27 | 2020-07-31 | 中车株洲电力机车有限公司 | Control circuit of electric current collector of energy storage low-floor vehicle |
| CN109866785A (en) * | 2019-03-28 | 2019-06-11 | 中车株洲电力机车有限公司 | A kind of train changes end method, system and train |
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| CN111055887B (en) * | 2020-01-02 | 2021-07-16 | 中车株洲电力机车有限公司 | Urban rail train and tail closed circuit thereof under train hard wire signal scene |
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