CN211598137U - Automatic control system for locomotive door lock - Google Patents
Automatic control system for locomotive door lock Download PDFInfo
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- CN211598137U CN211598137U CN201921431684.5U CN201921431684U CN211598137U CN 211598137 U CN211598137 U CN 211598137U CN 201921431684 U CN201921431684 U CN 201921431684U CN 211598137 U CN211598137 U CN 211598137U
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Abstract
The utility model discloses an automatic control system for a locomotive door lock, which comprises a locomotive speed acquisition device on a locomotive and a locomotive door lock control device on a locomotive door, wherein the locomotive speed acquisition device is connected with the locomotive door lock control device through a wireless communication network, the locomotive speed acquisition device comprises a first microcontroller circuit, a first wireless communication circuit, a wireless switch wake-up circuit and a 485 communication circuit, the locomotive door lock control device comprises a second microcontroller circuit, the remote control lock detection circuit comprises a remote control lock detection circuit, a door lock driving circuit, a door in-place detection circuit and a second wireless communication circuit, wherein the output end of the remote control lock detection circuit is connected with the remote control lock detection signal input end of a second microcontroller circuit, the lock control end of the door lock driving circuit is connected with the lock control output end of the second microcontroller circuit, and the output end of the door in-place detection circuit is connected with the door in-place detection signal input end of the second microcontroller circuit.
Description
Technical Field
The utility model belongs to the technical field of locomotive lock control, specifically speaking, a locomotive door lock automatic control system.
Background
Along with the development of science and technology, the railway technology of China is more and more advanced, the railway is more and more constructed, the coverage area is more and more wide, and the safety problem of the railway locomotive in the running process is more and more emphasized.
The traditional train locomotive door lock is opened or closed by a mechanical key, and the accident that drivers and passengers fall off a train due to the fact that the door lock is not closed in place or the drivers open the doors randomly often occurs in the running process of the locomotive. In the actual running process of the train, if the train speed is very low and the train is in an emergency, the opening of the train door allows personnel to get off the train without causing harm, but the train door can play the roles of protecting the safety of the personnel and reducing the loss, so that the automatic control system of the train door lock is needed.
SUMMERY OF THE UTILITY MODEL
To foretell not enough among the prior art, the utility model provides a locomotive door lock automatic control system, 485 communication circuit on the locomotive speed collection system acquires locomotive speed parameter with locomotive control box communication connection, for first microcontroller provides the data foundation, wireless switch awakening circuit is used for awakening up wireless lock switch, locomotive speed collection system is through first wireless communication circuit and locomotive lock controlling means communication wireless communication, locomotive lock controlling means sets up the door detection circuitry that targets in place, be used for detecting whether the locomotive door closes the position, set up lock drive circuit, can control the lock and close and open when receiving triggering signal.
In order to achieve the above object, the utility model discloses a solution is: an automatic control system of a locomotive door lock comprises a locomotive speed acquisition device arranged on a locomotive and a locomotive door lock control device arranged on a locomotive door, wherein the locomotive speed acquisition device is connected with the locomotive door lock control device through a wireless communication network, the locomotive speed acquisition device comprises a first microcontroller circuit, a first wireless communication circuit, a wireless switch wake-up circuit and a 485 communication circuit, the receiving and transmitting end of the first wireless communication circuit is connected with the fourth asynchronous serial port end of the first microcontroller circuit, the control input end of the wireless switch wake-up circuit is connected with the output control port of the first microcontroller circuit, the 485 communication circuit is 2, the receiving and transmitting end of the first 485 communication circuit is connected with the first asynchronous serial port end of the first microcontroller circuit, the differential signal port of the first 485 communication circuit is in communication connection with a locomotive control box to acquire locomotive speed parameters, the transceiver end of the second 485 communication circuit is connected with the third asynchronous serial port end of the microcontroller circuit, and the differential signal port of the second 485 communication circuit is connected with the 485 interface of the other speed signal acquisition circuit, so that communication among the different speed signal acquisition circuits is realized;
the locomotive door lock control device comprises a second microcontroller circuit, a remote control lock detection circuit, a door lock driving circuit, a door in-place detection circuit and a second wireless communication circuit, wherein the output end of the remote control lock detection circuit is connected with the remote control lock detection signal input end of the second microcontroller circuit, the lock control end of the door lock driving circuit is connected with the lock control output end of the second microcontroller circuit, the output end of the door in-place detection circuit is connected with the door in-place detection signal input end of the second microcontroller circuit, and the receiving and transmitting end of the second wireless communication circuit is connected with the receiving and transmitting end of the second microcontroller circuit.
Further, first wireless communication circuit include wireless data transmission module, the data receiving terminal of wireless data transmission module be connected with the asynchronous serial ports end of fourth way of first microcontroller circuit, the data sending terminal of wireless data transmission module be connected with the asynchronous serial ports end of fourth way of first microcontroller circuit, the dormancy control end of wireless data transmission module be connected with the dormancy control signal output part of first microcontroller circuit, the power source interface of wireless data transmission module be connected with the collecting electrode of first triode, the projecting pole of first triode is connected with the voltage source, the base and the seventeenth ohmic connection of first triode, the other end of seventeenth ohmic connection and the wireless transmission circuit power control end of first microcontroller circuit are connected.
Furthermore, the wireless switch wake-up circuit comprises a wireless switch module, a first wake-up signal control input end of the wireless switch module is connected with an output control port of the first microcontroller, a second wake-up signal control input end of the wireless switch module is connected with an output control port of the first microcontroller, a first wake-up signal output end of the wireless switch module is connected with a first wake-up signal end of the wireless switch, a second wake-up signal output end of the wireless switch module is connected with a second wake-up signal end of the wireless switch, an emitter control signal input end of the wireless switch is connected with a twenty-sixth resistor, the other end of the twenty-sixth resistor is connected with a collector of a fourth triode, a base of the fourth triode is respectively connected with a fourteenth resistor and a fifteenth resistor, the other end of the fourteenth resistor is connected with a wireless switch transmitting signal end of the first microcontroller, the other end of the fifteenth resistor and the emitter of the fourth triode are grounded together.
Furthermore, the remote control lock detection circuit comprises a six-port connector, wherein second to fifth ports of the six-port connector are respectively connected with a remote control lock detection signal input end of the second microcontroller circuit through a resistor, and the six-port connector is connected with the remote control receiver through a cable.
Further, the door lock driving circuit comprises a seventy-fourth resistor connected with a first switch lock control signal end of the second microcontroller circuit, the other end of the seventy-fourth resistor is respectively connected with a seventy-fifth resistor and a base electrode of a ninth triode, an emitter electrode of the ninth triode is grounded with the other end of the seventy-fifth resistor, a collector electrode of the ninth triode is connected with a seventy-sixth resistor, the other end of the seventy-sixth resistor is connected with a base electrode of a fourteenth triode, an emitter electrode of the fourteenth triode is connected with a voltage source, a collector electrode of the fourteenth triode is connected with a first transient suppression diode, a positive electrode of a sixteenth diode and a drain electrode of a thirteenth diode, a negative electrode of the sixteenth diode is connected with the voltage source, a grid electrode of the thirteenth diode is connected with the seventy-ninth resistor and the seventy-eighth resistor, the other end of the seventy-eighth resistor is connected with an unlock control signal end of the second microcontroller circuit, the source electrode of the thirteenth polar tube, the other end of the first transient suppression diode and the other end of the seventy-nine resistor are grounded;
the door lock driving circuit further comprises an eighty-eight resistor connected with a second switch lock control signal end of the second microcontroller circuit, the other end of the eighty-eight resistor is respectively connected with an eighty-nine resistor and a base electrode of an eleventh triode, an emitting electrode of the eleventh triode is grounded with the other end of the eighty-nine resistor, a collecting electrode of the eleventh triode is connected with a ninety resistor, the other end of the ninety resistor is connected with a base electrode of a thirteenth triode, an emitting electrode of the thirteenth triode is connected with a voltage source, a collecting electrode of the thirteenth triode is connected with a second transient suppression diode, an anode of a twenty-fifth diode and a drain electrode of a twelfth triode, a cathode of the twenty-fifth diode is connected with the voltage source, a grid electrode of the twelfth triode is connected with a ninety-second resistor and a ninety-first resistor, and the other end of the ninety-first resistor is connected with a lock control signal end of the second microcontroller circuit, the source of the twelfth triode, the other end of the second transient suppression diode and the other end of the ninety second resistor are grounded.
Furthermore, the door in-place detection circuit comprises a proximity switch, a power supply end of the proximity switch is connected with a voltage source, a signal end of the proximity switch is respectively connected with the external sensor and a thirty-fourth resistor, and the other end of the thirty-fourth resistor is respectively connected with a thirty-eighth resistor and a door in-place signal input end of the second microcontroller circuit.
Further, the second wireless communication circuit include wireless data transmission chip, the data receiving terminal of wireless data transmission chip pass through the thirteenth resistance and be connected with the wireless data receiving terminal of second microcontroller circuit, the data sending terminal of wireless data transmission chip pass through twenty-fifth resistance and be connected with the wireless data sending terminal of second microcontroller circuit, the auxiliary interface of wireless data transmission chip pass through the fourteenth resistance and be connected with the wireless auxiliary signal output part of second microcontroller circuit, the power source of wireless data transmission chip be connected with the collecting electrode of seventh triode, the projecting pole and the voltage source of seventh triode are connected, the base and the twenty-second resistance of seventh triode are connected, the other end of twenty-second resistance is connected with the wireless module power control end of second microcontroller circuit.
Further, the locomotive door lock control device further comprises a human body and light ray detection input circuit, the human body and light ray detection input circuit comprises an infrared sensor chip, a power supply end of the infrared sensor chip is connected with a voltage source and a second capacitor, the other end of the second capacitor is grounded, a signal acquisition input end of the infrared sensor chip is respectively connected with a forty-fourth resistor and a forty-first resistor, an enabling signal end of the infrared sensor chip is respectively connected with a forty-sixth resistor and a forty-second resistor, the other end of the forty-sixth resistor is connected with an anode of a light emitting diode, a real-time input end of the infrared sensor chip is respectively connected with a forty-fifth resistor and a forty-third resistor, the other end of the forty-fourth resistor, the cathode of the light emitting diode and the other end of the forty-fifth resistor are grounded, the other end of the forty-first resistor, the other end of the forty-second resistor and the other end of the forty-third, the output end of the infrared sensor chip is connected with the human body and light signal input end of the second microcontroller circuit.
Furthermore, the locomotive speed acquisition device also comprises a nixie tube display circuit, wherein the nixie tube display circuit comprises a nixie tube, each section of the nixie tube is respectively connected with each cathode control end of the nixie tube of the first microcontroller circuit, the anode of the nixie tube is respectively connected with the collector of one path of triode, the emitter of each path of triode is connected with a voltage source, and the base of each path of triode is respectively connected with one path of nixie tube power supply control end of the first microcontroller circuit through a resistor.
The utility model has the advantages that:
(1) the 485 communication circuit on the locomotive speed acquisition device is in communication connection with the locomotive control box to acquire locomotive speed parameters and provide data basis for the first microcontroller, the wireless switch wake-up circuit is used for waking up the wireless door lock switch, the locomotive speed acquisition device is in wireless communication with the locomotive door lock control device through the first wireless communication circuit, the locomotive door lock control device is provided with a door in-place detection circuit for detecting whether the locomotive door is closed in place or not, a door lock driving circuit is arranged, and the door lock can be controlled to be closed and opened when a trigger signal is received.
(2) The locomotive door lock control device is provided with a human body and light ray detection input circuit, collects infrared signals and transmits the infrared signals to the microcontroller circuit, and the door in-place detection circuit is arranged to adopt a proximity switch to detect whether the door is closed in place or not so as to ensure that the door is closed and avoid opening the door of the locomotive in the running process due to lack of tightness.
(3) The locomotive speed acquisition device is provided with a nixie tube display circuit for displaying speed.
Drawings
FIG. 1 is a block diagram of the automatic control system of the door lock of the present invention;
FIG. 2 is a block diagram of the structure of the locomotive speed acquisition device of the present invention;
FIG. 3 is a block diagram of the structure of the locomotive door lock control device of the present invention;
fig. 4 is a first wireless communication circuit diagram of the present invention;
fig. 5 is a circuit diagram of the wireless switch wake-up circuit of the present invention;
FIG. 6 is a circuit diagram of the nixie tube display of the present invention;
fig. 7 is a second wireless communication circuit diagram of the present invention;
FIG. 8 is a circuit diagram of the remote lock detection of the present invention;
fig. 9 is a driving circuit diagram of the door lock of the present invention;
FIG. 10 is a circuit diagram of the door in-place detection of the present invention;
FIG. 11 is a circuit diagram of the human body and light detection input circuit of the present invention;
in the figure, R14-fourteenth resistor, R15-fifteenth resistor, R17-seventeenth resistor, R22-twenty-second resistor, R23-twenty-third resistor, R24-twenty-fourth resistor, R25-twenty-fifth resistor, R26-twenty-sixth resistor, R30-thirty-third resistor, R31-thirty-first resistor, R32-thirty-second resistor, R33-thirty-third resistor, R34-thirty-fourth resistor, R38-thirty-eighth resistor, R40-forty resistor, R41-forty-first resistor, R42-forty-second resistor, R43-forty-third resistor, R44-forty-fourth resistor, R45-forty-fifth resistor, R46-forty-sixth resistor, R47-forty-seventh resistor, R48-eighth resistor, R49-ninth resistor, r74-seventy-fourth resistor, R75-seventy-fifth resistor, R76-seventy-sixth resistor, R78-seventy-eighth resistor, R79-seventy-ninth resistor, R88-eighty-eighth resistor, R89-eighty-ninth resistor, R90-ninety resistor, R91-ninety-first resistor, R92-ninety-second resistor, Q1-first triode, Q2-second triode, Q3-third triode, Q4-fourth triode, Q5-fifth triode, Q6-sixth triode, Q7-seventh triode, Q9-third triode, Q10-ninth triode, Q11-eleventh triode, Q12-twelfth triode, Q13-thirteenth triode, Q14-fourteenth triode, D16-sixteenth diode, D25-fifth diode, TVS 1-first transient suppression diode, TVS 2-second transient suppression diode, C2-second capacitor.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1, an automatic control system for a locomotive door lock comprises a locomotive speed acquisition device arranged on a locomotive and a locomotive door lock control device arranged on a locomotive door, wherein the locomotive speed acquisition device is connected with the locomotive door lock control device through a wireless communication network, as shown in fig. 2, the locomotive speed acquisition device comprises a first microcontroller circuit, a first wireless communication circuit, a wireless switch wake-up circuit and a 485 communication circuit, a transceiver end of the first wireless communication circuit is connected with a fourth asynchronous serial port end of the first microcontroller circuit, a control input end of the wireless switch wake-up circuit is connected with an output control port of the first microcontroller circuit, the 485 communication circuit is 2, a transceiver end of the first communication circuit is connected with a first asynchronous serial port end of the first microcontroller circuit, a differential signal port of the first 485 communication circuit is connected with a locomotive control box to obtain locomotive speed parameters, the transceiver end of the second 485 communication circuit is connected with the third asynchronous serial port end of the microcontroller circuit, the differential signal port of the second 485 communication circuit is connected with the 485 interface of the other speed signal acquisition circuit to realize communication among the different speed signal acquisition circuits, as shown in FIG. 3, the locomotive door lock control device comprises a second microcontroller circuit, a remote lock detection circuit, a door lock driving circuit, a door-in-place detection circuit and a second wireless communication circuit, the output end of the remote control lock detection circuit is connected with the remote control lock detection signal input end of the second microcontroller circuit, the lock control end of the door lock driving circuit is connected with the lock control output end of the second microcontroller circuit, the output end of the gate in-place detection circuit is connected with the gate in-place detection signal input end of the second microcontroller circuit, the receiving and transmitting end of the second wireless communication circuit is connected with the receiving and transmitting end of the second microcontroller circuit. The 485 communication circuit on the locomotive speed acquisition device is in communication connection with the locomotive control box to acquire locomotive speed parameters and provide data basis for the first microcontroller, the wireless switch wake-up circuit is used for waking up the wireless door lock switch, the locomotive speed acquisition device is in wireless communication with the locomotive door lock control device through the first wireless communication circuit, the locomotive door lock control device is provided with a door in-place detection circuit for detecting whether the locomotive door is closed in place or not, a door lock driving circuit is arranged, and the door lock can be controlled to be closed and opened when a trigger signal is received.
As shown in fig. 4, the first wireless communication circuit includes a wireless data transmission module, a data receiving end of the wireless data transmission module is connected to a fourth asynchronous serial port of the first microcontroller circuit, a data transmitting end of the wireless data transmission module is connected to a fourth asynchronous serial port of the first microcontroller circuit, a sleep control end of the wireless data transmission module is connected to a sleep control signal output end of the first microcontroller circuit, a power interface of the wireless data transmission module is connected to a collector of the first triode Q1, an emitter of the first triode Q1 is connected to a voltage source, a base of the first triode Q1 is connected to the seventeenth resistor R17, and the other end of the seventeenth resistor R17 is connected to a power control end of the wireless transmission circuit of the first microcontroller circuit. The wireless transmission circuit realizes the external wireless communication of the signal acquisition circuit and transmits the speed of the locomotive.
As shown in fig. 5, the wireless switch wake-up circuit includes a wireless switch module, a first wake-up signal control input terminal of the wireless switch module is connected to an output control port of a first microcontroller, a second wake-up signal control input terminal of the wireless switch module is connected to an output control port of the first microcontroller, a first wake-up signal output terminal of the wireless switch module is connected to a first wake-up signal terminal of the wireless switch, a second wake-up signal output terminal of the wireless switch module is connected to a second wake-up signal terminal of the wireless switch, a transmitter control signal input terminal of the wireless switch is connected to a twenty-sixth resistor R26, the other end of the twenty-sixth resistor R26 is connected to a collector of a fourth triode Q4, a base of the fourth triode Q4 is connected to a fourteenth resistor R14 and a fifteenth resistor R15, and the other end of the fourteenth resistor R14 is connected to a wireless switch transmitting signal terminal of the first microcontroller, the other end of the fifteenth resistor R15 and the emitter of the fourth triode Q4 are grounded together, the wireless switch wake-up circuit is used for waking up the wireless switch according to a trigger signal sent by the first micro-control circuit, and when the wireless switch module outputs a first wake-up signal and a second wake-up signal, or when a signal at the transmitter control signal input end of the wireless switch meets a transmission wake-up requirement, the wireless switch transmitter works.
As shown in fig. 8, the remote lock detection circuit includes a six-port connector, the second to fifth ports of the six-port connector are respectively connected to the remote lock detection signal input terminal of the second microcontroller circuit through a resistor, the six-port connector is connected to the remote control receiver through a cable for receiving the door lock control signal of the remote controller to generate a signal to trigger the door lock driving circuit to control the door lock to be closed and opened, the second port of the six-port connector is connected to the first remote lock detection signal input terminal of the second microcontroller circuit through a thirty resistor R30, the third port of the six-port connector is connected to the second remote lock detection signal input terminal of the second microcontroller circuit through a thirty resistor R31, the fourth port of the six-port connector is connected to the third remote lock detection signal input terminal of the second microcontroller circuit through a thirteenth resistor R33, and a fifth port of the six-port connector is connected with a fourth remote control lock detection signal input end of the second microcontroller circuit through a third twelve resistor R32.
As shown in fig. 9, the door lock driving circuit includes a seventy-fourth resistor R74 connected to the first switch lock control signal terminal of the second microcontroller circuit, the other end of the seventy-fourth resistor R74 is connected to the bases of a seventy-fifth resistor R75 and a ninth transistor Q9, respectively, the emitter of the ninth transistor Q9 is grounded to the other end of the seventy-fifth resistor R75, the collector of the ninth transistor Q9 is connected to a seventy-sixth resistor R76, the other end of the seventy-sixth resistor R76 is connected to the base of a fourteenth transistor Q14, the emitter of the fourteenth transistor Q14 is connected to the voltage source, the collector of the fourteenth transistor Q14 is connected to the first transient suppression diode TVS1, the anode of the sixteenth diode D16, and the drain of the thirteenth diode Q10, the cathode of the sixteenth diode D16 is connected to the voltage source, the gate of the thirteenth diode Q10 is connected to the seventy-ninth resistor R79 and the seventy-tenth resistor R78, the other end of the seventy-eight resistor R78 is connected with an unlocking control signal end of the second microcontroller circuit, and the source electrode of the thirteenth polar tube Q10, the other end of the first transient suppression diode TVS1 and the other end of the seventy-nine resistor R79 are grounded;
the door lock driving circuit further comprises an eighty-eight resistor R88 connected with a second switch lock control signal end of the second microcontroller circuit, the other end of the eighty-eight resistor R88 is respectively connected with an eighty-nine resistor R89 and the base of an eleventh triode Q11, the emitter of the eleventh triode Q11 is grounded with the other end of the eighty-nine resistor R89, the collector of the eleventh triode Q11 is connected with a ninety resistor R90, the other end of the ninety resistor R90 is connected with the base of a thirteenth triode Q13, the emitter of the thirteenth triode Q13 is connected with a voltage source, the collector of the thirteenth triode Q13 is connected with the positive electrode of the second transient suppression diode TVS2, the twenty-fifth diode D25 and the drain of the twelfth triode Q12, the negative electrode of the twenty-fifth diode D25 is connected with the voltage source, the gate of the twelfth triode Q12 is connected with the second resistor R92 and the ninety-first resistor R91, the other end of the ninety first resistor R91 is connected to the off-lock control signal terminal of the second microcontroller circuit, and the source of the twelfth transistor Q12, the other end of the second TVS2 and the other end of the ninety second resistor R92 are grounded. When the lock is unlocked, the first switch lock control signal end connected with the seventy-fourth resistor R74 outputs high level to the seventy-fourth resistor R74, and the first switch lock control signal end connected with the eighty-eighth resistor R88 outputs low level to the eighty-eighth resistor R88; when the lock is turned off, the seventy-fourth resistor R74 receives a low level, the eighty-eighth resistor R88 receives a high level, and the gate lock switch is driven by switching between the input high and low levels. A driving circuit of the locomotive door lock is formed by a triode and an MOS tube, and the door lock is controlled to be opened and closed.
As shown in fig. 10, the door in-place detection circuit includes a proximity switch, a power supply end of the proximity switch is connected to a voltage source, a signal end of the proximity switch is respectively connected to an external sensor and a thirty-fourth resistor R34, the other end of the thirty-fourth resistor R34 is respectively connected to a thirty-eighth resistor R38 and a door in-place signal input end of the second microcontroller circuit, and the door in-place detection circuit detects whether the vehicle door is closed in place.
As shown in fig. 7, the second wireless communication circuit includes a wireless data transmission chip, a data receiving terminal of the wireless data transmission chip is connected to a wireless data receiving terminal of the second microcontroller circuit through a thirteenth resistor R23, the data transmitting end of the wireless data transmission chip is connected with the wireless data transmitting end of the second microcontroller circuit through a twenty-fifth resistor R25, the auxiliary interface of the wireless data transmission chip is connected with the wireless auxiliary signal output end of the second microcontroller circuit through a twenty-four resistor R24, the power interface of the wireless data transmission chip is connected with the collector electrode of a seventh triode Q7, the emitter electrode of the seventh triode Q7 is connected with a voltage source, the base electrode of the seventh triode Q7 is connected with a twenty-second resistor R22, and the other end of the twenty-second resistor R22 is connected with the wireless module power control end of the second microcontroller circuit.
Further, the locomotive door lock control device further comprises a human body and light ray detection input circuit, as shown in fig. 11, the human body and light ray detection input circuit comprises an infrared sensor chip, a power supply end of the infrared sensor chip is connected with a voltage source and a second capacitor C2, the other end of the second capacitor C2 is grounded, a signal acquisition input end of the infrared sensor chip is respectively connected with a forty-fourth resistor R44 and a forty-first resistor R41, an enabling signal end of the infrared sensor chip is respectively connected with a forty-sixth resistor R46 and a forty-second resistor R42, the other end of the forty-sixth resistor R46 is connected with an anode of the light emitting diode, a real-time input end of the infrared sensor chip is respectively connected with a forty-fifth resistor R45 and a forty-third resistor R43, the other end of the fourth resistor R44, a cathode of the light emitting diode and the other end of the forty-fifth resistor R45 are grounded, the other end of the forty-first resistor R41, the other end of the forty-second resistor R42 and the other end of the forty-third resistor R43 are connected with a voltage source, the output end of the infrared sensor chip is connected with the human body and light signal input end of the second microcontroller circuit, and the human body and light detection input circuit detects whether a person stays in front of the vehicle door.
As shown in fig. 6, the locomotive speed collecting device further includes a nixie tube display circuit, the nixie tube display circuit includes a nixie tube, each section of the nixie tube is connected with each cathode control end of the nixie tube of the first microcontroller circuit, the anode of the nixie tube is connected with the collector of one of the three-way tubes, the emitter of each of the three-way tubes is connected with a voltage source, and the base of each of the three-way tubes is connected with one of the nixie tube power supply control ends of the first microcontroller circuit through a resistor. The nixie tube adopts a 4-bit common-cathode nixie tube, each section of the nixie tube is respectively connected with each cathode control end of the nixie tube of the first microcontroller circuit, a first anode of the nixie tube is connected with a collector of a second triode Q2, an emitter of the second triode Q2 is connected with a voltage source, a base of the second triode Q2 is connected with a forty-ninth resistor R49, and the other end of the forty-ninth resistor R49 is connected with a first nixie tube power supply control end of the first microcontroller circuit; the second anode of the nixie tube is connected with the collector of a third triode Q3, the emitter of the third triode Q3 is connected with a voltage source, the base of the third triode Q3 is connected with a forty-seventh resistor R47, and the other end of the forty-seventh resistor R47 is connected with the power supply control end of a second nixie tube of the first microcontroller circuit; the third anode of the nixie tube is connected with the collector of a fifth triode Q5, the emitter of the fifth triode Q5 is connected with a voltage source, the base of the fifth triode Q5 is connected with a forty-eighth resistor R48, and the other end of the forty-eighth resistor R48 is connected with the power supply control end of the third nixie tube of the first microcontroller circuit; the fourth anode of the nixie tube is connected with the collector of a sixth triode Q6, the emitter of the sixth triode Q6 is connected with a voltage source, the base of the sixth triode Q6 is connected with a fortieth resistor R40, and the other end of the fortieth resistor R40 is connected with the power supply control end of the fourth nixie tube of the first microcontroller circuit. The four-position common cathode nixie tube is used for displaying the speed of the locomotive.
The locomotive door lock control device also comprises a serial port to USB flash disk circuit, which converts the data transmitted by the serial protocol of the locomotive door lock control device into the data of the USB protocol and writes the data into the USB flash disk, so that a user can conveniently download the locomotive door lock recording data. The locomotive door lock control device also comprises a storage loading platform EEPROM for storing locomotive door lock data. The microcontroller circuit is also reserved with a door opening key interface which is connected with a door opening key and used for manually opening the door. A second microcontroller circuit on the locomotive door lock control device detects the door opening input of a remote control receiver or the door opening input of a door opening key, then whether the locomotive door lock is conditionally opened is determined according to locomotive running speed data received by a wireless communication module and transmitted by a locomotive speed acquisition device, if the running speed is less than 5 kilometers per hour, an unlocking trigger signal is sent to a door lock driving circuit, and the door lock driving circuit drives a driver door lock to automatically open a driver door; if the running speed is between 5 km/h and 20 km/h, an unlocking trigger signal is sent to a door lock driving circuit, the door lock driving circuit drives a driver door lock to automatically open a driver door, and a door opening event is recorded; if the running speed is more than 20 km/h, the driver door is forbidden to be opened electronically and can only be opened through a mechanical key; and meanwhile, when the running speed is more than 20 km/h, the lock is automatically locked, and the vehicle door is closed. The second wireless communication module is communicated with the locomotive speed acquisition device to acquire the current locomotive running speed and time, and meanwhile, the door lock state is reported to the locomotive speed acquisition device, and the opening and closing of other doors are controlled through the locomotive speed acquisition device. The situation that the driver and the passengers forget to close the door is avoided. In the door locking process, the door in-place detection circuit detects whether the locomotive door is closed in place or not and transmits the locomotive door to the microcontroller circuit. When the door is not closed in place, the buzzer alarms to prompt drivers and passengers.
The locomotive door lock control device is also reserved with an interface for externally connecting a key for an emergency button, locking the locomotive by one key, opening the door by one key and the like. The human body and light detection input circuit detects whether a person stays in front of the car door or not and is used for controlling the external camera to collect image signals.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (9)
1. The utility model provides a locomotive door lock automatic control system which characterized in that: the locomotive speed acquisition device is connected with the locomotive door lock control device through a wireless communication network, the locomotive speed acquisition device comprises a first microcontroller circuit, a first wireless communication circuit, a wireless switch awakening circuit and a 485 communication circuit, the transceiving end of the first wireless communication circuit is connected with the fourth asynchronous serial port end of the first microcontroller circuit, the control input end of the wireless switch awakening circuit is connected with the output control port of the first microcontroller circuit, the 485 communication circuit is 2, the transceiving end of the first 485 communication circuit is connected with the first asynchronous serial port end of the first microcontroller circuit, the differential signal port of the first 485 communication circuit is in communication connection with a locomotive control box to acquire locomotive speed parameters, the transceiver end of the second 485 communication circuit is connected with the third asynchronous serial port end of the microcontroller circuit, and the differential signal port of the second 485 communication circuit is connected with the 485 interface of the other speed signal acquisition circuit, so that communication among the different speed signal acquisition circuits is realized;
the locomotive door lock control device comprises a second microcontroller circuit, a remote control lock detection circuit, a door lock driving circuit, a door in-place detection circuit and a second wireless communication circuit, wherein the output end of the remote control lock detection circuit is connected with the remote control lock detection signal input end of the second microcontroller circuit, the lock control end of the door lock driving circuit is connected with the lock control output end of the second microcontroller circuit, the output end of the door in-place detection circuit is connected with the door in-place detection signal input end of the second microcontroller circuit, and the receiving and transmitting end of the second wireless communication circuit is connected with the receiving and transmitting end of the second microcontroller circuit.
2. The automatic control system for a door lock of a vehicle according to claim 1, wherein: the first wireless communication circuit comprises a wireless data transmission module, a data receiving end of the wireless data transmission module is connected with a fourth asynchronous serial port of a first microcontroller circuit, a data sending end of the wireless data transmission module is connected with a fourth asynchronous serial port of the first microcontroller circuit, a dormancy control end of the wireless data transmission module is connected with a dormancy control signal output end of the first microcontroller circuit, a power interface of the wireless data transmission module is connected with a collector electrode of a first triode (Q1), an emitting electrode of the first triode (Q1) is connected with a voltage source, a base electrode of the first triode (Q1) is connected with a seventeenth resistor (R17), and the other end of the seventeenth resistor (R17) is connected with a wireless transmission circuit power control end of the first microcontroller circuit.
3. The automatic control system for a door lock of a vehicle according to claim 1, wherein: the wireless switch wake-up circuit comprises a wireless switch module, wherein a first wake-up signal control input end of the wireless switch module is connected with an output control port of a first microcontroller, a second wake-up signal control input end of the wireless switch module is connected with an output control port of the first microcontroller, a first wake-up signal output end of the wireless switch module is connected with a first wake-up signal end of the wireless switch, a second wake-up signal output end of the wireless switch module is connected with a second wake-up signal end of the wireless switch, a transmitter control signal input end of the wireless switch is connected with a twenty-sixth resistor (R26), the other end of the twenty-sixth resistor (R26) is connected with a collector of a fourth triode (Q4), a base of the fourth triode (Q4) is respectively connected with a fourteenth resistor (R14) and a fifteenth resistor (R15), and the other end of the fourteenth resistor (R14) is connected with a wireless switch transmitting signal end of the first microcontroller, the other end of the fifteenth resistor (R15) and the emitter of the fourth triode (Q4) are connected to the ground in common.
4. The automatic control system for a door lock of a vehicle according to claim 1, wherein: the remote control lock detection circuit comprises a six-port connector, wherein the second port to the fifth port of the six-port connector are respectively connected with the remote control lock detection signal input end of the second microcontroller circuit through a resistor, and the six-port connector is connected with the remote control receiver through a cable.
5. The automatic control system for a door lock of a vehicle according to claim 1, wherein: the door lock driving circuit comprises a seventy-fourth resistor (R74) connected with a first switch lock control signal end of the second microcontroller circuit, the other end of the seventy-fourth resistor (R74) is respectively connected with bases of a seventy-fifth resistor (R75) and a ninth triode (Q9), an emitter of the ninth triode (Q9) is grounded with the other end of the seventy-fifth resistor (R75), a collector of the ninth triode (Q9) is connected with a seventy-sixth resistor (R76), the other end of the seventy-sixth resistor (R76) is connected with a base of a fourteenth triode (Q14), an emitter of the fourteenth triode (Q14) is connected with a voltage source, a collector of the fourteenth triode (Q14) is connected with a first transient suppression diode (TVS1), a positive pole of a sixteenth diode (D16) and a drain of a thirteenth diode (Q10), and a negative pole of the sixteenth diode (D16) is connected with the voltage source, the grid electrode of the thirteenth polar tube (Q10) is connected with a seventy-ninth resistor (R79) and a seventy-eighth resistor (R78), the other end of the seventy-eighth resistor (R78) is connected with the unlocking control signal end of the second microcontroller circuit, and the source electrode of the thirteenth polar tube (Q10), the other end of the first transient suppression diode (TVS1) and the other end of the seventy-ninth resistor (R79) are grounded;
the door lock driving circuit further comprises an eighty-eight resistor (R88) connected with a second switch lock control signal end of the second microcontroller circuit, the other end of the eighty-eight resistor (R88) is respectively connected with an eighty-nine resistor (R89) and a base electrode of an eleventh triode (Q11), an emitter electrode of the eleventh triode (Q11) is grounded with the other end of the eighty-nine resistor (R89), a collector electrode of the eleventh triode (Q11) is connected with a ninety resistor (R90), the other end of the ninety resistor (R90) is connected with a base electrode of a thirteenth triode (Q13), an emitter electrode of the thirteenth triode (Q13) is connected with a voltage source, a collector electrode of the thirteenth triode (Q13) is connected with a second transient suppression diode (TVS2), a drain electrode of a twenty-fifth diode (D25) and a drain electrode of the twelfth triode (Q12), a cathode electrode of the twenty-fifth diode (D25) is connected with a positive electrode of the voltage source, the gate of the twelfth transistor (Q12) is connected to the ninety second resistor (R92) and the ninety first resistor (R91), the other end of the ninety first resistor (R91) is connected to the off-lock control signal terminal of the second microcontroller circuit, and the source of the twelfth transistor (Q12), the other end of the second transient suppression diode (TVS2), and the other end of the ninety second resistor (R92) are grounded.
6. The automatic control system for a door lock of a vehicle according to claim 1, wherein: the gate in-place detection circuit comprises a proximity switch, a power supply end of the proximity switch is connected with a voltage source, a signal end of the proximity switch is respectively connected with an external sensor and a thirty-fourth resistor (R34), and the other end of the thirty-fourth resistor (R34) is respectively connected with a thirty-eighth resistor (R38) and a gate in-place signal input end of a second microcontroller circuit.
7. The automatic control system for a door lock of a vehicle according to claim 1, wherein: the second wireless communication circuit comprises a wireless data transmission chip, the data receiving end of the wireless data transmission chip is connected with the wireless data receiving end of the second microcontroller circuit through a twenty-third resistor (R23), the data transmitting end of the wireless data transmission chip is connected with the wireless data transmitting end of the second microcontroller circuit through a twenty-fifth resistor (R25), the auxiliary interface of the wireless data transmission chip is connected with the wireless auxiliary signal output end of the second microcontroller circuit through a twenty-four resistor (R24), the power interface of the wireless data transmission chip is connected with the collector electrode of a seventh triode (Q7), the emitter electrode of the seventh triode (Q7) is connected with a voltage source, the base electrode of the seventh triode (Q7) is connected with a twenty-second resistor (R22), and the other end of the twenty-second resistor (R22) is connected with the wireless module power control end of the second microcontroller circuit.
8. The automatic control system for a door lock of a vehicle according to claim 1, wherein: the locomotive door lock control device also comprises a human body and light ray detection input circuit, the human body and light ray detection input circuit comprises an infrared sensor chip, a power supply end of the infrared sensor chip is connected with a voltage source and a second capacitor (C2), the other end of the second capacitor (C2) is grounded, a signal acquisition input end of the infrared sensor chip is respectively connected with a forty-fourth resistor (R44) and a forty-first resistor (R41), an enabling signal end of the infrared sensor chip is respectively connected with a forty-sixth resistor (R46) and a forty-second resistor (R42), the other end of the forty-sixth resistor (R46) is connected with the anode of the light emitting diode, a real-time input end of the infrared sensor chip is respectively connected with a forty-fifth resistor (R45) and a forty-third resistor (R43), the other end of the forty-fourth resistor (R44), the cathode of the light emitting diode and the other end of the forty-fifth resistor (R45) are grounded, the other end of the forty-first resistor (R41), the other end of the forty-second resistor (R42) and the other end of the forty-third resistor (R43) are connected with a voltage source, and the output end of the infrared sensor chip is connected with the human body and light signal input end of the second microcontroller circuit.
9. The automatic control system for a door lock of a vehicle according to claim 1, wherein: the locomotive speed acquisition device further comprises a nixie tube display circuit, wherein the nixie tube display circuit comprises a nixie tube, each section of the nixie tube is respectively connected with each cathode control end of the nixie tube of the first microcontroller circuit, the anode of the nixie tube is respectively connected with the collector of one path of triode, the emitter of each path of triode is connected with a voltage source, and the base of each path of triode is respectively connected with one path of nixie tube power supply control end of the first microcontroller circuit through a resistor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921431684.5U CN211598137U (en) | 2019-08-30 | 2019-08-30 | Automatic control system for locomotive door lock |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921431684.5U CN211598137U (en) | 2019-08-30 | 2019-08-30 | Automatic control system for locomotive door lock |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112614254A (en) * | 2020-12-10 | 2021-04-06 | 株洲华安机车产品新技术开发有限公司 | Control system for entrance door lock of rail locomotive |
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2019
- 2019-08-30 CN CN201921431684.5U patent/CN211598137U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112614254A (en) * | 2020-12-10 | 2021-04-06 | 株洲华安机车产品新技术开发有限公司 | Control system for entrance door lock of rail locomotive |
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