CN110341731B - Locomotive driver controller operation simulation device - Google Patents
Locomotive driver controller operation simulation device Download PDFInfo
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- CN110341731B CN110341731B CN201910663434.2A CN201910663434A CN110341731B CN 110341731 B CN110341731 B CN 110341731B CN 201910663434 A CN201910663434 A CN 201910663434A CN 110341731 B CN110341731 B CN 110341731B
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- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
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Abstract
The invention provides a locomotive driver controller operation simulation device, which comprises a simulation device connected between a driver controller and a locomotive control unit, wherein a plurality of switching devices are arranged in the simulation device; each switching device is connected with the switching value output end and the analog value output end of the driver controller, and each switching device comprises a switching value switching circuit and an analog value switching circuit; the switching value switching circuit comprises a first manual driving switch connected with a driver controller and a locomotive control unit, and a first automatic driving switch connected with an intelligent driving system of the locomotive and the locomotive control unit; the analog quantity switching circuit comprises a second manual driving switch connected with the driver controller and the locomotive control unit, and a second automatic driving switch connected with the locomotive intelligent driving system and the locomotive control unit. The invention can transmit the operation state of the driver to the external upper computer equipment through the processor, so that the external equipment can check the operation state of the locomotive in real time and has a supervision function on the safe operation of the locomotive.
Description
Technical Field
The invention belongs to the field of automatic driving of trains, and particularly relates to a simulation device for realizing an operation function of a locomotive driver controller.
Background
The driver controller is the control equipment of railway locomotive and motor train unit, and is used as the master control electrical appliance for locomotive reversing and speed regulating. It is installed in the cab of locomotive, and is a manual electric equipment for locomotive driver to control the direction change of locomotive and speed regulation of diesel engine so as to control the running direction, power, traction force and speed of locomotive.
The existing driver controllers are operated manually, and cannot realize the automatic driving function.
Disclosure of Invention
Based on the above-mentioned problems of the prior art, the present invention provides a locomotive driver controller operation simulation apparatus capable of implementing an automatic driving function.
The invention adopts the following technical scheme:
a locomotive driver controller operation simulation device comprises a simulation device connected between a driver controller and a locomotive control unit, wherein a plurality of switching devices are arranged in the simulation device;
each switching device is connected with the switching value output end and the analog value output end of the driver controller, and each switching device comprises a switching value switching circuit and an analog value switching circuit; the switching value output end is provided with a switching value contact;
the switching value switching circuit comprises a first manual driving switch connected with a driver controller and a locomotive control unit, and a first automatic driving switch connected with an intelligent driving system of the locomotive and the locomotive control unit;
the analog quantity switching circuit comprises a second manual driving switch connected with the driver controller and the locomotive control unit, and a second automatic driving switch connected with the locomotive intelligent driving system and the locomotive control unit.
The switching value switching circuit and the analog value switching circuit are both connected with the processor.
The switching value switching circuit also comprises a switching value signal acquisition circuit connected between the switching value contact output end and the processor;
the analog quantity switching circuit also comprises an analog quantity signal acquisition circuit connected between the analog quantity output end and the processor.
The switching value signal acquisition circuit comprises an eleventh switching device, one end of the eleventh switching device is connected with the output end of the switching value contact, and the other end of the eleventh switching device is connected with the processor through the switching value detection circuit;
the analog quantity signal acquisition circuit comprises a fourth switching device, one end of the fourth switching device is connected with the analog quantity output end, and the other end of the fourth switching device is connected with the processor through the analog quantity detection circuit.
Switching value signal acquisition circuit still is connected with switching value self-checking circuit, switching value self-checking circuit includes twelfth switching device, self-checking voltage is connected to twelfth switching device one end, and the sixth switching device is connected to the other end, sixth switching device) connection switching value detection circuitry.
The first manual driving change-over switch comprises a twenty-first switching device connected with a switching value contact of a switching value output end, one end of the twenty-first switching device is connected with the switching value contact output end, and the other end of the twenty-first switching device is connected with the locomotive control unit;
the first automatic driving change-over switch comprises a twenty-second switch device and a third switch device, one end of the twenty-second switch device is connected with one end of the third switch device, and the other end of the twenty-second switch device is connected with the locomotive control unit; the third switching device is connected with an intelligent driving system of the locomotive;
the second manual driving change-over switch comprises a fifty-first switch device, one end of the fifty-first switch device is connected with the analog quantity output end, and the other end of the fifty-first switch device is connected with the locomotive control unit;
the second automatic driving change-over switch comprises a fifty-second switch device, and the fifty-second switch device is connected with the locomotive intelligent driving system and the locomotive control unit.
One end of the fifty-second switching device is connected with the processor through the DA output circuit, and the processor is connected with the locomotive intelligent driving system.
The other end of the third switching device is connected with the processor; the processor is connected with the locomotive intelligent driving system.
The invention has the beneficial effects that:
(1) the invention can transmit the operation state of the driver to the external equipment through the processor, is used for monitoring the operation state of the locomotive and has a supervision function on the safe operation of the locomotive.
(2) The invention can automatically assist driving by switching the switch, can reduce the working intensity of locomotive drivers and improve the working conditions of railway staff.
(3) The technical guidance is the automatic driving of the locomotive, the passing capacity of railway sections can be improved, and the economic benefit of railway transportation is increased.
Drawings
Fig. 1 is a block diagram of a simulation apparatus according to the present invention.
Fig. 2 is a switching value signal acquisition circuit.
Fig. 3 is an analog signal acquisition circuit.
Fig. 4 is a DA output circuit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention provides a locomotive driver controller operation simulation device, which is connected between a driver controller and a locomotive control unit, not only can carry out normal driver operation, but also can receive signals sent by a sto (intelligent locomotive driving system) to carry out automatic driving switching.
A plurality of switching devices are arranged in the simulation device; each switching device is connected with the switching value output end and the analog value output end of the driver controller, and each switching device comprises a switching value switching circuit and an analog value switching circuit; the switching value output end is provided with a switching value contact, and different switching value signals are output by opening and closing the switching value contact.
The switching value switching circuit comprises a first manual driving switch connected with a driver controller and a locomotive control unit, and a first automatic driving switch connected with an intelligent driving system of the locomotive and the locomotive control unit; the switching between the manual driving and the automatic driving of a driver can be carried out by switching the switching of the first manual driving change-over switch and the first automatic driving change-over switch, when the driver drives manually, the first manual driving change-over switch is closed, the first automatic driving change-over switch is opened, and at the moment, a switching value signal of a driver controller is sent to a locomotive control unit through a switch contact to carry out the manual driving of the driver; when the automatic driving is carried out, the first manual driving change-over switch is switched off, the first automatic driving change-over switch is switched on, and at the moment, an automatic driving signal sent by the sto is sent to the locomotive control unit through the first automatic driving change-over switch to carry out automatic driving.
The analog quantity switching circuit comprises a second manual driving switch connected with the driver controller and the locomotive control unit and a second automatic driving switch connected with the locomotive intelligent driving system and the locomotive control unit. By switching the second manual driving changeover switch and the second automatic driving changeover switch between on and off, the driver can switch between manual driving and automatic driving. When the driver drives manually, the second manual driving change-over switch is closed, the second automatic driving change-over switch is opened, and at the moment, an analog quantity signal of the driver controller is sent to the locomotive control unit to drive the driver manually; and when the automatic driving is carried out, the second manual driving change-over switch is switched off, the second automatic driving change-over switch is switched on, and the automatic driving signal sent by the sto is sent to the locomotive control unit through the second automatic driving change-over switch to carry out automatic driving.
The switching device of the invention can also comprise a processor, wherein the switching value switching circuit and the analog value switching circuit are both connected with the processor, the switching value signal and the analog value signal which are sent by the sto and are used for intelligent driving are sent to the processor, and after the processor receives the signals, the switching value switching circuit and the analog value switching circuit are switched and the switching value signal and the analog value signal are sent to the locomotive brake unit for automatic braking.
Or sto can directly send the switching value signal and the analog value signal for intelligent driving to the switching value switching circuit and the analog value switching circuit, and the switching value switching circuit and the analog value switching circuit switch output lines and send output signals.
In the embodiment shown in fig. 1, the first manual driving changeover switch includes a twenty-first switching device K21 connected to a switching value contact of the switching value output terminal, and one end of the twenty-first switching device K21 is connected to the switching value contact output terminal and the other end is connected to the locomotive control unit. The first automatic driving changeover switch comprises a twenty-second switching device K22 and a third switching device K3, one end of the twenty-second switching device K22 is connected with one end of the third switching device K3, and the other end of the twenty-second switching device K22 is connected with a locomotive control unit; the third switching device K3 is connected with the intelligent driving system of the locomotive.
In a default state after power-on, the twenty-first switching device K21 is closed, the twenty-second switching device K22 is opened, when manual driving is carried out, a driver controller sends a signal to a switching value contact, a switching value signal sent by the switching value contact is sent to a locomotive control unit through the twenty-first switching device K21, and the locomotive control unit executes corresponding actions after receiving the switching value signal, wherein the process is a manual operation control process. When intelligent auxiliary driving is needed, the locomotive intelligent driving system sto sends signals to a twenty-first switching device K21 and a twenty-second switching device K22, the twenty-first switching device K21 is disconnected, the twenty-second switching device K22 is closed, the third switching device K3 is in an open state at the moment, the state is a state for self-energy auxiliary driving, the third switching device K3 simulates the action of a switching value contact to output a switching value signal, and the switching value signal is sent to a locomotive control unit through a twenty-second switching device K22 to execute corresponding action. In the above process, whether the third switching device K3 is opened or closed is controlled by the existing locomotive smart driving system sto according to the pre-stored disclosure.
The switching device of the invention may also comprise a processor, which includes but is not limited to the existing CPU, a single chip, DSP. The twenty-first switching device K21, the twenty-second switching device K22 and the third switching device K3 can be controlled by the processor, the processor is connected with the locomotive intelligent driving system sto at the moment, signals of the locomotive intelligent driving system sto are received, and the twenty-first switching device K21, the twenty-second switching device K22 and the third switching device K3 are controlled to be opened and closed according to the signals, so that switching value signals are output in the automatic and manual driving processes.
In the embodiment shown in fig. 1, the second manual driving switch comprises a fifty-first switching device K51, one end of the fifty-first switching device K51 is connected with the analog quantity output end, and the other end is connected with the locomotive control unit; the second automatic driving change-over switch comprises a fifty-second switch device K52, and the fifty-second switch device K52 is connected with the locomotive intelligent driving system and the locomotive control unit.
The fifty-second switching device K52 can be connected with the locomotive control unit through the DA output circuit because the analog quantity signal is a voltage signal of 0-24V, and the analog signal sent by the locomotive intelligent driving system is output to the locomotive control unit through the fifty-second switching device after passing through the DA output circuit.
In a default state after power-on, the fifty-first switching device K51 is in a closed state, the fifty-second switching device K52 is in an open state, during manual driving, an analog quantity signal sent by a driver controller is sent to a locomotive control unit through the fifty-first switching device, and after receiving the analog quantity signal, the locomotive control unit executes corresponding action to realize a manual control process. When automatic driving is required, the locomotive intelligent driving system sto sends a signal to a fifty-first switching device K51 and a fifty-second switching device K52, the fifty-first switching device K51 is opened, the fifty-second switching device K52 is closed, and at the moment, the locomotive intelligent driving system sto is in a state capable of carrying out auxiliary driving, and sends a signal to a DA output circuit, the DA output circuit outputs an analog quantity signal to a locomotive control unit, and the locomotive control unit executes corresponding actions after receiving the signal. In the process, the intelligent driving system sto of the locomotive outputs the analog quantity signal according to the prestored revelation.
When the switching device is provided with a processor, the fifty-first switching device K51 and the fifty-second switching device K52 are controlled by the processor, the processor is connected with the locomotive intelligent driving system sto, receives signals sent by the locomotive intelligent driving system sto, controls the opening and closing of the fifty-first switching device K51 and the fifty-second switching device K52, and when the locomotive is driven automatically, the processor receives the signals sent by the locomotive intelligent driving system sto and sends the signals to the locomotive control unit through the DA output circuit and the fifty-second switching device K52.
The simulator of the invention can also monitor the operation state of the locomotive and transmit the detected signal to external equipment so as to monitor the safe operation of the locomotive.
At this time, the switching value switching circuit further includes a switching value signal acquisition circuit connected between the switching value contact output end and the processor, as shown in fig. 2, which is a switching value signal acquisition circuit diagram; the analog quantity switching circuit further comprises an analog quantity signal acquisition circuit connected between the analog quantity output end and the processor, and is an analog quantity signal acquisition circuit diagram as shown in fig. 3. The switching value signal and the analog quantity signal of the driver controller collected by the switching value signal collecting circuit and the analog quantity signal collecting circuit can be sent to the processor, and the processor sends the signals to the sto or other external equipment for monitoring.
The switching value signal acquisition circuit comprises an eleventh switching device K11, one end of the eleventh switching device K11 is connected with the output end of the switching value contact, and the other end of the eleventh switching device K11 is connected with the processor through the switching value detection circuit; the eleventh switching device K11 sends the received signal sent by the driver to the processor through the switching value detection circuit, and the processor sends the signal.
The analog quantity signal acquisition circuit comprises a fourth switching device K4, one end of the fourth switching device K4 is connected with the analog quantity output end, and the other end of the fourth switching device K4 is connected with the processor through the analog quantity detection circuit. The fourth switching device K4 sends the received analog signal to the analog detection circuit, and then to the processor through the analog detection circuit, and the processor forwards the signal.
Switching value signal acquisition circuit still is connected with switching value self-checking circuit for carry out the self-checking to switching value acquisition circuit, the self-checking is through carrying out the collection of signal, and switching value self-checking circuit includes twelfth switching device K12, and self-checking voltage is connected to twelfth switching device K12 one end, and sixth switching device K6 is connected to the other end, and sixth switching device K6 connects switching value detection circuitry.
After the system is powered on, firstly, channel self-checking is carried out, at the moment, the twelfth switching device K12 is closed, at the moment, self-checking voltage is firstly input, the processor sends a signal to the sixth switching device K6, the sixth switching device K6 is switched on to collect channel signals, if the processor receives the signals collected by the channels, the signals are compared with a preset signal threshold value and belong to normal signals, the self-checking is considered to be normal, the sixth switching device K6 is switched off after the self-checking is normal, at the moment, the processor controls the twelfth switching device K12 to be switched off, the eleventh switching device K11 is closed, switching value signals are connected into the switching value detection circuit to be sampled and isolated and then sent to the processor, and the processor sends the signals to external equipment, namely, the collection of the switching value state of the driver is completed.
After the system is powered on, the fourth switching device K4 and the fifty-first switching device K51 do not act, and the original driver can normally control the system at the moment. If need monitor the locomotive and control when the state, control fourth switching device K4 action, fourth switching device K4 is closed, the normally open point is closed, the normally closed point is disconnected, K4 defaults to be normally open, defaulted for the manual state of controlling, also monitor the locomotive and control the state this moment, if need monitor the locomotive and control the state then control K4 closed, analog quantity signal access analog quantity sampling passageway send the treater after analog quantity detection circuit keeps apart this moment, accomplish the collection of driver's accuse ware analog quantity state promptly.
The simulation device and the locomotive auxiliary operation system are communicated through a CAN bus.
In automatic driving, after a signal sent to the fifty-second relay by the processor passes through the DA output circuit, an analog quantity signal output by the DA output circuit is firstly sent to the processor through the analog quantity detection circuit, the processor judges whether the analog quantity signal is normal according to a stored analog quantity threshold value, if the analog quantity signal is normal, the fifty-second relay K52 is controlled to act, and if the analog quantity signal is not normal, manual operation is carried out.
In the present invention, all the switch devices include, but are not limited to, existing switches and relays, and can be set as required in specific implementation. In the circuit shown in fig. 1, the eleventh switching device K11 and the twelfth switching device K12 belong to two contacts of the first relay K1, which is a forced-oriented ganged control relay, one of the two contacts is a normally open contact, and the other is a normally closed contact. The twenty-first switching device K21 and the twenty-second switching device K22 belong to two contacts of a forced-oriented ganged control relay, the second relay K2, one of which is a normally open contact and the other is a normally closed contact.
The fifty-first switching device K51 and the fifty-second switching device K52 belong to two contacts of the forced-oriented ganged control relay-second relay K5, one of which is a normally open contact and one of which is a normally closed contact.
The third switching device and the sixth switching device may also employ a forced guided relay. Because the relay has the characteristic that the normally closed contact and the normally open contact are not closed at the same time, different contacts of the same relay can be used as detection contacts to represent the action state of the relay. The broken line in the figure indicates the interlocking control.
When the operation of the driver controller needs to be monitored, the locomotive auxiliary operating system sends a monitoring command through the CAN bus, the simulation device is switched to a monitoring state to collect switching value and analog value, and the state only monitors the state of the driver controller and does not interfere in the operation of the driver controller by a driver. When the operation of a driver controller needs to be simulated (namely, automatic driving operation), the locomotive auxiliary operating system sends a control command through the CAN bus, the simulation device is switched to a control state, receives the control command sent by the locomotive auxiliary operating system and simulates the operation of the driver controller to output a corresponding switching value (realized by controlling a corresponding relay through the CPU) and an analog value signal (realized by controlling a corresponding relay and a DA output circuit through the CPU) to a locomotive control unit to control the locomotive so as to realize the automatic driving function.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the present invention should be covered by the present invention.
Claims (8)
1. The operation simulation device of the locomotive driver controller is characterized by comprising a simulation device connected between the driver controller and a locomotive control unit, wherein a plurality of switching devices are arranged in the simulation device;
each switching device is connected with the switching value output end and the analog value output end of the driver controller, and each switching device comprises a switching value switching circuit and an analog value switching circuit; the switching value output end is provided with a switching value contact;
the switching value switching circuit comprises a first manual driving switch connected with a driver controller and a locomotive control unit, and a first automatic driving switch connected with an intelligent driving system of the locomotive and the locomotive control unit;
the analog quantity switching circuit comprises a second manual driving switch connected with the driver controller and the locomotive control unit, and a second automatic driving switch connected with the locomotive intelligent driving system and the locomotive control unit.
2. The locomotive driver controller operation simulation device according to claim 1, wherein:
the switching value switching circuit and the analog value switching circuit are both connected with the processor.
3. The locomotive driver controller operation simulation device according to claim 2, wherein:
the switching value switching circuit also comprises a switching value signal acquisition circuit connected between the switching value contact output end and the processor;
the analog quantity switching circuit also comprises an analog quantity signal acquisition circuit connected between the analog quantity output end and the processor.
4. The locomotive driver controller operation simulation device according to claim 3, wherein:
the switching value signal acquisition circuit comprises an eleventh switching device (K11), one end of the eleventh switching device (K11) is connected with the output end of the switching value contact, and the other end of the eleventh switching device is connected with the processor through the switching value detection circuit;
the analog quantity signal acquisition circuit comprises a fourth switching device (K4), one end of the fourth switching device (K4) is connected with the analog quantity output end, and the other end of the fourth switching device is connected with the processor through the analog quantity detection circuit.
5. The locomotive driver controller operation simulation device according to claim 4, wherein:
switching value signal acquisition circuit still is connected with switching value self-checking circuit, switching value self-checking circuit includes twelfth switching device (K12), self-checking voltage is connected to twelfth switching device (K12) one end, and sixth switching device (K6) is connected to the other end, and switching value detection circuit is connected to sixth switching device (K6).
6. The locomotive driver controller operation simulation device according to claim 1, wherein:
the first manual driving change-over switch comprises a twenty-first switching device (K21) connected with a switching value contact of a switching value output end, one end of the twenty-first switching device (K21) is connected with the switching value contact output end, and the other end of the twenty-first switching device is connected with the locomotive control unit;
the first automatic driving changeover switch comprises a twenty-second switching device (K22) and a third switching device (K3), one end of the twenty-second switching device (K22) is connected with one end of the third switching device (K3), and the other end of the twenty-second switching device (K22) is connected with a locomotive control unit; the third switching device (K3) is connected with the locomotive intelligent driving system;
the second manual driving change-over switch comprises a fifty-first switch device (K51), one end of the fifty-first switch device (K51) is connected with the analog quantity output end, and the other end of the fifty-first switch device is connected with the locomotive control unit;
the second automatic driving changeover switch comprises a fifty-second switching device (K52), and the fifty-second switching device (K52) is connected with the locomotive intelligent driving system and the locomotive control unit.
7. The locomotive driver controller operation simulation device according to claim 6, wherein:
one end of the fifty-second switching device (K52) is connected with a processor through a DA output circuit, and the processor is connected with an intelligent driving system of the locomotive.
8. The locomotive driver controller operation simulation device according to claim 6, wherein:
the other end of the third switching device (K3) is connected with the processor; the processor is connected with the locomotive intelligent driving system.
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| CN201910663434.2A CN110341731B (en) | 2019-07-22 | 2019-07-22 | Locomotive driver controller operation simulation device |
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| CN201842094U (en) * | 2010-10-27 | 2011-05-25 | 南车资阳机车有限公司 | Microcomputer control cabinet based on PAC (programmable automation controller) technology for AC (alternating current) transmission motor vehicle |
| RO129356A0 (en) * | 2013-06-03 | 2014-04-30 | Mihai Marcu | Independent installation for keeping warm and economically exploiting locomotive diesel engines |
| CN203996286U (en) * | 2014-07-30 | 2014-12-10 | 北京铁路信号有限公司 | A kind of vehicle-mounted train automatic protection rack check implement |
| CN104260731B (en) * | 2014-10-09 | 2017-04-12 | 南车株洲电力机车有限公司 | Train as well as train operation control method and system |
| CN206171498U (en) * | 2016-11-02 | 2017-05-17 | 中车株洲电力机车有限公司 | Operation mode selection circuit of EMUs ATC system |
| CN107977000B (en) * | 2017-11-22 | 2021-11-02 | 清华大学 | Automatic driving system of railway locomotive |
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