CN217954973U - Automatic opening and closing testing device for subway train door - Google Patents
Automatic opening and closing testing device for subway train door Download PDFInfo
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- CN217954973U CN217954973U CN202222512639.0U CN202222512639U CN217954973U CN 217954973 U CN217954973 U CN 217954973U CN 202222512639 U CN202222512639 U CN 202222512639U CN 217954973 U CN217954973 U CN 217954973U
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Abstract
The utility model discloses a subway train door automatic switch testing arrangement, include: the power supply switching circuit, the controller, the counter, the display circuit, the left door opening and closing branch and the right door opening and closing branch are connected with the power supply switching circuit; the input end of the power supply conversion circuit is connected with a 110V passenger car power supply through a connection master switch, the output end of the power supply conversion circuit is connected with a controller, one output end of the controller is connected with a test main trunk, and the test main trunk is simultaneously connected with a left door opening and closing branch and a right door opening and closing branch; the controller is connected with a TIMS system of a vehicle control room through a serial port, and the counter is connected in series on a left door opening and closing branch or a right door opening and closing branch; the display circuit is connected with the controller, the display circuit correspondingly displays a fault car door according to a received serial port signal of the TIMS system, automatic testing is achieved, meanwhile, an indicator lamp or a display screen is used for displaying car door information with faults in feedback signals, multi-person watching is not needed, and the problem that human resources occupy in the testing process is solved.
Description
Technical Field
The utility model relates to a rail transit equipment test technical field especially relates to a subway train door automatic switch testing arrangement.
Background
At present, when a subway train is overhauled, one of the very important links is to perform frequent door opening and closing tests on train passenger room doors, and detect and break in train doors to ensure that the train doors operate in a good state.
However, because the existing button for controlling the opening/closing of the door of the subway train is only arranged in a train cab, when the subway train is maintained, the opening/closing of the door of the train can be detected only by manually switching the door opening/closing button, but the manual switching and pressing of the door opening/closing button cannot ensure the same time of pressing the button every time, so that the opening/closing frequency of the door in the test process is inconsistent, and the difference of the frequency can cause a door control system and a door structure to become variables in the test process, and finally the accuracy of the door test result can be influenced. Not only is labor cost wasted, but also the switch button is abraded due to long-time pressing of the switch door button, and the overhauling efficiency is low; on the other hand, whether the opening and closing test of each vehicle door in each compartment is normal or not is performed in the opening and closing test process, and after the opening and closing test is performed, the opening and closing test is performed by depending on the TIMS system in the driver cab for displaying, so that the existing test device needs to be attended by multiple persons at a test end and a vehicle control room of the driver, and once the TIMS system in the vehicle control room finds a problem, the tester can stop the test. Therefore, there is a need for a device for automatically opening and closing a door of a subway train, which can automatically test and display a faulty door.
SUMMERY OF THE UTILITY MODEL
Therefore, an object of the utility model is to provide a subway train door automatic switch testing arrangement realizes automatic test and can the automatic display trouble door.
In order to achieve the above object, the utility model discloses a subway train door automatic switch testing arrangement, include: the device comprises a power supply conversion circuit, a controller, a counter, a display circuit, a left door opening and closing branch, a right door opening and closing branch and a protection circuit;
the input end of the power supply conversion circuit is connected with a 110V passenger car power supply through a connection master switch, the output end of the power supply conversion circuit is connected with a controller, one output end of the controller is connected with a test main trunk, and the test main trunk is simultaneously connected with a left door opening and closing branch and a right door opening and closing branch; the controller is connected with a TIMS system of a vehicle control room through a serial port, and the counter is connected in series on a left door opening and closing branch or a right door opening and closing branch;
the left door opening and closing branch comprises a left door opening and closing relay, a left door opening and closing delay relay and a left door opening and closing controller which are sequentially connected in series;
the right door opening and closing branch comprises a right door opening and closing relay, a right door opening and closing delay relay and a right door opening and closing controller which are sequentially connected in series;
the display circuit is connected with the controller and correspondingly displays the fault car door according to the received serial port signal of the TIMS system; the display circuit is an indicator light array or a display screen, and the display screen is used for displaying fault information; and each indicator lamp of the indicator lamp array corresponds to one vehicle door, and a fault vehicle door is correspondingly displayed according to the received TIMS serial port signal.
Further preferably, the controller is connected with an alarm, and the alarm is used for giving an alarm when the number of faults reaches a threshold value.
Further preferably, a circuit in which the output end of the power conversion circuit is connected with the controller is connected with a start-stop switch in series.
Further preferably, the bus protection circuit further comprises a fuse, and the fuse is arranged between the main switch and a 110V bus power supply.
Further preferably, the controller is further connected with a protection relay, and the protection relay is arranged on a test main circuit connected with the controller.
Further preferably, the controller is further connected with a temperature and humidity sensor.
Further preferably, the controller is a PLC controller with the model number FX2N-32 MR.
The application discloses a subway train door automatic switch testing arrangement compares in current testing arrangement, has following advantage at least:
1. through setting up and utilizing the train power directly through left switch door branch road, right switch door branch road, carry out the switch door test to door controller to utilize the counter output test number of times, changed current switch door test and relied on artifical manual, inefficiency, the phenomenon of wasting resources.
2. Utilize the controller to communicate with TIMS system in the car control room through the setting, gather the feedback signal in the door test process, display circuit is connected to the simultaneous control ware, utilizes pilot lamp or display screen, shows the door information that breaks down in the feedback signal, need not many people on duty, has solved the test procedure in, the problem that manpower resources occupy.
3. The utility model provides a subway train door automatic switch testing arrangement compares in current testing arrangement, and circuit structure is simpler, easily assembles and implements, has set up fuse and protective relay in the circuit, has improved test circuit's security level.
Drawings
Fig. 1 is the structure schematic diagram of the automatic opening and closing testing device for the subway train door of the present invention.
Fig. 2 is a schematic diagram of the wiring of the controller of the present invention.
In the figure: 1. a 110V passenger car power supply; 2. a power conversion circuit; 3. a controller; 4. a counter; 401. a left door opening and closing relay; 402. a left door opening and closing delay relay; 403. a left switch door controller; 501. a right switch door relay; 502. a right door opening and closing delay relay; 503. a right switch door controller; 5. a protective relay; 6. a display circuit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, an embodiment of the utility model provides a subway train door automatic switch testing arrangement, include: the power supply switching circuit 2, the controller 3, the counter 4, the display circuit 6, the left door opening and closing branch and the right door opening and closing branch;
the input end of the power supply conversion circuit 2 is connected with a 110V passenger car power supply 1 through a connection master switch, the output end of the power supply conversion circuit is connected with a controller 3, one output end of the controller 3 is connected with a test trunk, and the test trunk is simultaneously connected with a left door opening and closing branch and a right door opening and closing branch; the controller 3 is connected with a TIMS system of a vehicle control room through a serial port, and the counter 4 is connected in series with a left door opening and closing branch or a right door opening and closing branch;
the left door opening and closing branch comprises a left door opening and closing relay 401, a left door opening and closing delay relay 402 and a left door opening and closing controller 403 which are sequentially connected in series;
the right door opening and closing branch comprises a right door opening and closing relay 501, a right door opening and closing delay relay 502 and a right door opening and closing controller 503 which are sequentially connected in series;
the display circuit 6 is connected with the controller 3, and the display circuit 6 correspondingly displays the fault car door according to the received serial port signal of the TIMS system; the display circuit 6 is an indicator light array or a display screen, and the display screen is used for displaying fault information; and each indicator lamp of the indicator lamp array corresponds to one vehicle door, and a fault vehicle door is correspondingly displayed according to the received TIMS serial port signal.
In this embodiment, when carrying out the door test of opening and shutting to the whole car of subway, because left and right switch door accuse ware sets up on the subway train, finally left and right switch door accuse ware feedback signal can feed back to in the TIMS system of car accuse room, therefore, utilize the controller to communicate with TIMS system in the car control room, gather the feedback signal in the door test process, display circuit is connected to the simultaneous control ware, utilize pilot lamp or display screen, door information to breaking down in the feedback signal shows, need not many people on duty, in the test process has been solved, the problem that manpower resources occupy.
When adopting the display screen, directly with the position or the serial number of text message output trouble door through the display screen, as shown in figure 2, when adopting the pilot lamp, the controller discerns the back with serial ports signal, utilizes AD converter to convert signal into IO signal, and different pins correspond not need the pilot lamp, and when the door trouble, correspond pin IO signal and be the high level, the pilot lamp that this pin corresponds lights.
In this embodiment, during testing, the main switch is pressed down, the power conversion module directly converts the electric bus DC110V into DC24V, and provides 24V working voltage for other electrical components, the 24V working voltage output by the power conversion circuit is output to the power supply end of the controller and is simultaneously output to the main testing circuit, the left door opening and closing branch and the right door opening and closing branch are simultaneously powered on, after the left door opening and closing relay and the right door opening and closing relay are powered on, the door opening and closing sequence and the response time are realized by setting the delay time of the left door opening and closing delay relay and the right door opening and closing delay relay, and the counter is connected in series to the left door opening and closing branch or the right door opening and closing branch; and each door opening and closing action cycle is collected, and the counter can record and display the door opening and closing times.
Each of the left and right door opening and closing relays needs to control the whole door opening and closing cycle, and a complete door opening and closing cycle needs the following time logic: the device signal waiting time is 2.5 seconds, the response time is 1.5 seconds for the door closing signal, the door opening motion process is 3 seconds, the waiting time is 2.5 seconds for the signal, the waiting time is 3 seconds for the door closing signal, and the door closing motion process is 3 seconds.
When specifically the counter is established ties on left branch road, the counter is connected with the play head of left switch door relay, and the contact is when getting electric, counts, through the time that sets up left switch door delay relay, accomplishes above-mentioned switch door endless time logic, establishes ties on right branch road and the same reason, no longer gives details here.
According to the number of times of testing set by the controller, carrying out cycle testing, in the process of each door opening and closing test cycle, the controller is connected with a TIMS system serial port of a vehicle control room, obtaining feedback signals of a left door controller and a right door controller in each door opening and closing cycle, judging whether a vehicle door fails, recording the failure signals when a certain vehicle door fails, and stopping testing and alarming when the number of times of failure exceeds a threshold value according to a failure number threshold value set during initialization. Specifically, the controller is connected with an alarm, and the alarm is used for giving an alarm when the failure frequency reaches a threshold value.
When the failure frequency exceeds a threshold value, the controller is further connected with a protection relay, the protection relay is a normally closed relay, and the protection relay is arranged on a test main circuit connected with the controller. The pin connected with the protective relay by the controller jumps to high level, and the protective relay is electrified and disconnected at the moment, so that power-off protection is performed on the test main circuit.
Furthermore, in order to facilitate the test, the manual start-stop action is performed, and a start-stop switch is connected in series with the circuit where the output end of the power conversion circuit is connected with the controller.
In this application, in order to avoid the testing arrangement short circuit to form great impulse current, cause the damage of passenger train 110V power, still set up the safeguard measure to upstream electronic components in this embodiment, still include the fuse promptly between master switch and 110V passenger train power. When short-circuit faults occur in left and right switch door branches or controllers and the like in the test process, circuit current is too large, the fuse fuses in time, and the 110V power supply of the passenger car is protected from being interfered by short-circuit current or harmonic current caused by short circuit.
The controller is also connected with a temperature and humidity sensor and used for detecting a test environment. The controller adopts a PLC controller with the model number of FX2N-32 MR. And PLC controllers with Modbus RTU serial port communication functions, such as Mitsubishi FX3G-40MR/ES-A, siemens S7-200 and the like, can also be adopted.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (7)
1. The utility model provides a subway train door automatic switch testing arrangement which characterized in that includes: the power supply switching circuit, the controller, the counter, the display circuit, the left door opening and closing branch and the right door opening and closing branch are connected with the power supply switching circuit;
the input end of the power supply conversion circuit is connected with a 110V passenger car power supply through a connection main switch, the output end of the power supply conversion circuit is connected with a controller, one output end of the controller is connected with a test trunk, and the test trunk is simultaneously connected with a left door opening and closing branch and a right door opening and closing branch; the controller is connected with a TIMS system of a vehicle control room through a serial port, and the counter is connected in series on a left door opening and closing branch or a right door opening and closing branch;
the left door opening and closing branch comprises a left door opening and closing relay, a left door opening and closing delay relay and a left door opening and closing controller which are sequentially connected in series;
the right door opening and closing branch comprises a right door opening and closing relay, a right door opening and closing delay relay and a right door opening and closing controller which are sequentially connected in series;
the display circuit is connected with the controller and correspondingly displays the fault car door according to the received serial port signal of the TIMS system; the display circuit is an indicator light array or a display screen, and the display screen is used for displaying fault information; and each indicator lamp of the indicator lamp array corresponds to one vehicle door, and a fault vehicle door is correspondingly displayed according to the received TIMS serial port signal.
2. The automatic opening and closing testing device for the subway train door as claimed in claim 1, wherein said controller is connected to an alarm for alarming when the number of failures reaches a threshold value.
3. The automatic switch test device for the subway train door as claimed in claim 1, wherein a start-stop switch is connected in series on a circuit where an output terminal of said power conversion circuit is connected with the controller.
4. The automatic opening and closing test device for the door of the subway train as claimed in any one of claims 2-3, further comprising a fuse, wherein said fuse is arranged between a main switch and a 110V passenger train power supply.
5. The automatic opening and closing test device for the subway train door as claimed in claim 1, wherein said controller is further connected with a protection relay, said protection relay is arranged on a test main circuit connected with the controller.
6. The automatic opening and closing testing device for the subway train door as claimed in claim 1, wherein said controller is further connected to a temperature and humidity sensor.
7. The automatic opening and closing test device for the subway train door as claimed in claim 1, wherein said controller is a PLC controller of model FX2N-32 MR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222512639.0U CN217954973U (en) | 2022-09-22 | 2022-09-22 | Automatic opening and closing testing device for subway train door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222512639.0U CN217954973U (en) | 2022-09-22 | 2022-09-22 | Automatic opening and closing testing device for subway train door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217954973U true CN217954973U (en) | 2022-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222512639.0U Active CN217954973U (en) | 2022-09-22 | 2022-09-22 | Automatic opening and closing testing device for subway train door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217954973U (en) |
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2022
- 2022-09-22 CN CN202222512639.0U patent/CN217954973U/en active Active
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