A subway vehicle power switching type automatic door opening and closing test system

Abstract

The utility model discloses a power switching automatic door opening and closing test system for subway vehicles, which belongs to the field of train testing. It includes an automatic switching power supply and a touch all-in-one PLC, the touch all-in-one PLC and the automatic switching power supply are electrically connected, and the touch all-in-one PLC is used for door simulation testing; the utility model can be used for multiple door openings and closings of a single vehicle and for the opening and closing of doors of a whole vehicle; switch the power type on the touch screen, when opening and closing the door of a single vehicle, click on the AC220V power supply to connect; when opening and closing the door of the whole vehicle, click on the DC110V power supply to connect. During the process of frame repair, the utility model can be flexibly arranged without being restricted by conditions when multiple door openings and closings are required. Multiple door openings and closings of a single vehicle and multiple door openings and closings of the whole vehicle have requirements for the power supply of the equipment, and the utility model realizes power switching. The utility model can simultaneously meet the multiple door openings and closings of a single vehicle and a whole vehicle.

Description

Technical Field

[0001] The utility model relates to the field of train testing, in particular to a subway vehicle power switching type automatic door opening and closing testing system. Background Art

[0002] As time goes by, subway vehicles have started to undergo overhaul, including door overhaul. Door overhaul requires opening and closing the doors of a single vehicle multiple times to test the door opening and closing dimensions; the doors of the entire vehicle are opened and closed multiple times to test the door opening and closing functions.

[0003] The rail vehicle power switching automatic door opening and closing device adopts PLC touch integrated, and the equipment can use two power supplies, AC220V mains power and DC110V. The system has a self-locking function, and you can choose any power supply when using it.

[0004] Chinese patent CN105628407B discloses a test method for a rail vehicle automatic door opening and closing test device. When the whole vehicle is raised, the door opening and closing test device is used to open and close each door, but it is not applicable to a single vehicle. Patent CN215910121U discloses a vehicle single-section automatic door opening and closing test device. When a single vehicle is used, an external AC 220V voltage is inverted into a DC 110V voltage for powering the single vehicle to open and close the door multiple times, but it is also not applicable to the test of the door opening and closing of the whole vehicle. Utility Model Content

[0005] In view of some existing problems, the purpose of the present utility model is to provide a subway vehicle power switching type automatic door opening and closing test system to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A subway vehicle power switching type automatic door opening and closing test system, comprising an automatic switching type power supply and a touch all-in-one PLC, wherein the touch all-in-one PLC and the automatic switching type power supply are electrically connected;

[0008] The automatic switching power supply includes an AC220V power supply and a DC110V power supply. The DC110V power supply end and the DC0V power supply end of the DC110V power supply are connected to one end of the circuit breaker QF1. The other end of the circuit breaker QF1 is connected to one end of the contact of the contactor KM1. The DC110V power supply end at the other end of the contact of the contactor KM1 is electrically connected to the pins 1L, 2L, and 3L of the touch all-in-one PLC. The DC0V power supply end at the other end of the contact of the contactor KM1 is electrically connected to the pin M of the touch all-in-one PLC.

[0009] The live wire L and the neutral wire N of the AC220V power supply are connected to one end of the circuit breaker QF2, the other end of the circuit breaker QF2 is connected to the input end of the AC / DC power converter, the output end of the AC / DC power converter is connected to one end of the contactor KM2, the other end of the contactor KM2 is connected to the input end of the DC / DC power converter, the DC24V power supply end output by the DC / DC power converter is connected to the touch all-in-one machine PLC pin 3L and pin L+ for communication, and the DC0V power supply end output by the DC / DC power converter is electrically connected to the touch all-in-one machine PLC pin M;

[0010] The contact point of one end of the contactor KM1 is connected to the DC110V power supply terminal, one end of the relay KA1 and one end of the relay KA2, the other end of the relay KA1 is connected to one end of the alarm light L1, the other end of the relay KA2 is connected to one end of the alarm light L2, the other end of the alarm light L1 and the other end of the alarm light L2 are connected to the DC0V power supply terminal of one end of the contactor KM1;

[0011] One end of the coil of contactor KM1 is connected to relay KA2, and both ends of relay KA2 are connected in parallel to the DC110V power supply ends at both ends of the contactor KM1 contact. The other end of the coil of contactor KM1 is connected to relay KA3, and relay KA3 is connected to relay KA2, and both ends of relay KA2 are connected in parallel to the DC0V power supply ends at both ends of the contactor KM1 contact.

[0012] The contact DC110V power supply terminal of the other end of the contactor KM1 is connected to the positive pole of the DC / DC power converter input terminal, and the contact DC0V power supply terminal of the other end of the contactor KM1 is connected to the negative pole of the DC / DC power converter input terminal;

[0013] One end of the contactor KM2 coil is connected to one end of the relay KA1, the other end of the relay KA1 is connected to the positive pole of the AC / DC power converter input terminal, the other end of the contactor KM2 coil is connected to the negative pole of the AC / DC power converter input terminal, and the alarm light L3 is connected in parallel to both ends of the contactor KM2 coil;

[0014] Relay KA1 is electrically connected to the PLC pin 11 of the touch all-in-one machine, relay KA2 is electrically connected to the PLC pin 12 of the touch all-in-one machine, and relay KA3 is electrically connected to the PLC pin 13 of the touch all-in-one machine;

[0015] The touch all-in-one machine PLC pin 0 is connected to the left door opening test information communication, the touch all-in-one machine PLC pin 1 is connected to the left door closing test information communication, the touch all-in-one machine PLC pin 2 is connected to the right door opening test information communication, the touch all-in-one machine PLC pin 3 is connected to the right door closing test information communication, the touch all-in-one machine PLC pin 4 is connected to the open standby test information communication, the touch all-in-one machine PLC pin 5 is connected to the close standby test information communication, the touch all-in-one machine PLC pin 6 is connected to the door zero speed test information communication, and the touch all-in-one machine PLC pin 7 is connected to the door release test information communication.

[0016] As a further solution of the utility model: the touch all-in-one machine PLC pin 14, pin 15 and the backup DC100 power supply are connected.

[0017] As a further solution of the utility model: the touch all-in-one machine PLC and the human-machine display interface HMI are communicatively connected.

[0018] As a further solution of the utility model: the touch all-in-one PLC is provided with an AC220V power control button, a DC110V power control button, an emergency stop button, an AC indicator light, a DC110V input indicator light, a DC110V output indicator light and a completion indicator light.

[0019] As a further solution of the utility model: the PLC pin 10 of the touch all-in-one machine is communicatively connected with the alarm lights L1, L2 and L3. The PLC pin 10 of the touch all-in-one machine is communicatively connected with the alarm lights L1, L2 and L3.

[0020] As a further solution of the utility model: the AC / DC power converter is an AC220V-DC110V power converter, and the DC / DC power converter is a DC110V-DC24V power converter.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] The utility model can be used for multiple door openings and closings of a single vehicle as well as for the door opening and closing of a whole vehicle; the power type is switched on the touch screen, and when a single vehicle door is opened and closed, an AC220V power supply is clicked to connect; when the whole vehicle door is opened and closed, a DC110V power supply is clicked to connect.

[0023] The utility model can be used to flexibly arrange the plan when the door needs to be opened and closed multiple times during the rack repair process without being restricted by conditions. The multiple opening and closing of the door of a single vehicle and the multiple opening and closing of the door of the whole vehicle require the power supply of the equipment, and the utility model realizes power supply switching. The utility model can simultaneously meet the multiple opening and closing of the door of a single vehicle and the whole vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1The schematic diagram of the circuit of a subway vehicle power switching type automatic door opening and closing test system is shown in FIG.

[0025] Figure 2 The figure is a wiring diagram of the PLC pins of the touch all-in-one machine in a power switching automatic door opening and closing test system for a subway vehicle. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", and "connected" should be understood in a broad sense; for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, or an electrical connection, a direct connection, or an indirect connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] See also Figure 1-2 , a subway vehicle power switching type automatic door opening and closing test system, including an automatic switching type power supply and a touch all-in-one PLC, the touch all-in-one PLC and the automatic switching type power supply are energized and connected, and the touch all-in-one PLC is used for door simulation testing;

[0029] The automatic switching power supply includes an AC220V power supply and a DC110V power supply. The DC110V power supply end and the DC0V power supply end of the DC110V power supply are connected to one end of the circuit breaker QF1, and the other end of the circuit breaker QF1 is connected to one end of the contact of the contactor KM1. The DC110V power supply end at the other end of the contact of the contactor KM1 is electrically connected to the pins 1L, 2L, and 3L of the touch all-in-one PLC. The DC0V power supply end at the other end of the contact of the contactor KM1 is electrically connected to the pin M of the touch all-in-one PLC. The DC110V power supply outputs a 100V DC power supply, which is convenient for the touch all-in-one PLC to be used for subsequent testing of the opening and closing doors of subway vehicles, ensuring safety and facilitating the use of the device.

[0030] The live wire L and the neutral wire N of the AC220V power supply are connected to one end of the circuit breaker QF2, and the other end of the circuit breaker QF2 is connected to the input end of the AC / DC power converter. The output end of the AC / DC power converter is connected to one end of the contactor KM2, and the other end of the contactor KM2 is connected to the input end of the DC / DC power converter. The DC24V power supply end output by the DC / DC power converter is connected to the touch all-in-one machine PLC pin 3L and pin L+ for communication. The DC0V power supply end output by the DC / DC power converter is connected to the touch all-in-one machine PLC pin M. The AC / DC power converter is used to convert 220V50Hz AC power into 110V DC power, and the DC / DC power converter is used to convert 110V DC power into 24V DC power. The touch all-in-one machine PLC is convenient for subsequent testing of the opening and closing doors of subway vehicles to ensure safety and facilitate the use of the device.

[0031] Circuit breakers QF1 and QF2 are switches that automatically disconnect when the current in the circuit exceeds the rated current. They can also protect the circuit or electrical equipment against short circuits, severe overloads and undervoltages, which is beneficial for protecting the circuit and increasing safety.

[0032] The DC110V power supply terminal of one end of contactor KM1 is electrically connected to one end of relay KA1 and one end of relay KA2, the other end of relay KA1 is connected to one end of alarm light L1, the other end of relay KA2 is connected to one end of alarm light L2, the other end of alarm light L1 and the other end of alarm light L2 are electrically connected to the DC0V power supply terminal of contactor KM1, which is convenient for use in alarm.

[0033] One end of the contactor KM1 coil is connected to relay KA2, and both ends of relay KA2 are connected in parallel to the DC110V power supply ends at both ends of the contactor KM1 contacts. The other end of the contactor KM1 coil is connected to relay KA3, and relay KA3 is connected to relay KA2, and both ends of relay KA2 are connected in parallel to the DC0V power supply ends at both ends of the contactor KM1 contacts.

[0034] The contact DC110V power supply terminal at the other end of the contactor KM1 is connected to the positive pole of the DC / DC power converter input terminal, and the contact DC0V power supply terminal at the other end of the contactor KM1 is connected to the negative pole of the DC / DC power converter input terminal.

[0035] One end of the contactor KM2 coil is connected to one end of the relay KA1, the other end of the relay KA1 is connected to the positive pole of the AC / DC power converter input terminal, the other end of the contactor KM2 coil is connected to the negative pole of the AC / DC power converter input terminal, and the alarm light L3 is connected in parallel to both ends of the contactor KM2 coil.

[0036] Relay KA1 is electrically connected to the touch all-in-one machine PLC pin 11, and relay KA1 is used to indicate DC100V input. Relay KA2 is electrically connected to the touch all-in-one machine PLC pin 12, and relay KA2 is used to indicate DC100V output. Relay KA3 is electrically connected to the touch all-in-one machine PLC pin 13, and relay KA2 is used to indicate that DC100V output is disconnected.

[0037] The touch all-in-one machine PLC pin 0 is connected to the left door opening test information communication, the touch all-in-one machine PLC pin 1 is connected to the left door closing test information communication, the touch all-in-one machine PLC pin 2 is connected to the right door opening test information communication, the touch all-in-one machine PLC pin 3 is connected to the right door closing test information communication, the touch all-in-one machine PLC pin 4 is connected to the open standby test information communication, the touch all-in-one machine PLC pin 5 is connected to the close standby test information communication, the touch all-in-one machine PLC pin 6 is connected to the door zero speed test information communication, and the touch all-in-one machine PLC pin 7 is connected to the door release test information communication.

[0038] The PLC pin 10 of the touch all-in-one machine is connected to the alarm lights L1, L2 and L3 for communication.

[0039] Touch all-in-one machine PLC pin 14, pin 15 and backup DC100 power supply connection.

[0040] The touch all-in-one PLC and the human-machine display interface HMI are connected in communication. The human-machine display interface HMI is used to display the various test conditions and test results during the subway vehicle door opening and closing test, which is convenient for people to view, ensure safety, and facilitate the use of the device. The human-machine display interface HMI is a medium for interaction and information exchange.

[0041] The touch all-in-one PLC has a compact structure and is easy to use. The model of the touch all-in-one PLC is MM30MR-4MT-700-FXA.

[0042] The touch all-in-one PLC is equipped with an AC220V power control button, a DC110V power control button, an emergency stop button, an AC indicator light, a DC110V input indicator light, a DC110V output indicator light and a completion indicator light.

[0043] Press the AC220V power control button. If AC power is used for control, the equipment will be powered after it is turned on and can operate normally. The AC indicator light indicates the power supply status after the power circuit breaker is turned on when AC power is used for control.

[0044] Press the DC110V power control button. When using DC110V power supply, turn on this DC circuit breaker to power the device. When using AC power control, turn on the circuit breaker according to the prompt of the touch all-in-one machine PLC;

[0045] DC110V input, when the system uses DC110V control, the DC110V input indicator lights up, and the test power supply is externally powered to the door simulation device; DC110V output, when the system uses AC220V mains control, the touch screen prompts to turn on the DC circuit breaker, and the DC110V input indicator lights up. At this time, the test power supply is output from the door simulation device to the subway.

[0046] Emergency stop: if any situation occurs during the test or for other reasons, press the emergency stop button and all outputs will stop. They can be restored after checking the external conditions.

[0047] AC220V power supply is connected, and the circuit breaker QF2 is closed; when the touch screen PLC clicks the AC220V power control button to supply power, the touch screen PLC output power voltage is the output voltage of pin 12; relay KA2 is energized, and the contact of relay KA2 is closed accordingly; contactor KM2 is energized, and the contact of contactor KM2 is closed accordingly; after passing through the inverter, DC110V power supply is output;

[0048] Connect the DC110V power supply and close the circuit breaker QF1; when the touch all-in-one machine PLC clicks the DC110V power control button to supply power, the output power of the touch all-in-one machine PLC is the output voltage of the voltage pin 11; the relay KA1 is energized, and the contact of the relay KA1 is closed accordingly; the contactor KM1 is energized, and the contact of the contactor KM1 is closed accordingly to output DC110V power supply;

[0049] If the touch all-in-one machine PLC clicks the power supply AC220V control button or the power supply DC110V control button again, the touch all-in-one machine PLC output power is output at pin 13, and relay KA3 is energized, that is, the relay KA3 contact is closed accordingly; the relay KA3 contact cuts off the circuit, and the device stops supplying power;

[0050] In case of emergency, press the emergency stop button of the touch screen PLC, the touch screen PLC stops output and the equipment stops power supply.

[0051] Enter the system page normally, and the middle column can clearly show the power mode required at this time. At this time, DC110V is selected for power supply. Below are four control buttons for controlling door zero speed, door release, standby DC110V-1 and standby DC110V-2. When the button is turned on, the color changes and the current status is prompted.

[0052] When the control is turned on, the color turns red, reminding the operator to pay attention to safety in time.

[0053] AC220V power supply is adopted, and DC110V must be controlled to ensure the safety of the whole device. After the DC110V output control is turned on, the following four buttons, namely, door zero speed, door release, standby DC110V-1 and standby DC110V-2, can be displayed. When there is no DC output, these four buttons cannot be operated.

[0054] The utility model can be used for multiple door openings and closings of a single vehicle as well as for the door opening and closing of a whole vehicle; the power type is switched on the touch screen, and when a single vehicle door is opened and closed, an AC220V power supply is clicked to connect; when the whole vehicle door is opened and closed, a DC110V power supply is clicked to connect.

[0055] The utility model can be used to flexibly arrange the plan when the door needs to be opened and closed multiple times during the rack repair process without being restricted by conditions. The multiple opening and closing of the door of a single vehicle and the multiple opening and closing of the door of the whole vehicle require the power supply of the equipment, and the utility model realizes power supply switching. The utility model can simultaneously meet the multiple opening and closing of the door of a single vehicle and the whole vehicle.

[0056] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numerals in the claims should not be considered as limiting the claims involved.

[0057] In addition, it should be understood that although the present specification is described in accordance with implementation methods, not every implementation method includes only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A subway vehicle power switching type automatic door opening and closing test system, characterized in that: Including an automatic switching power supply and a touch all-in-one machine PLC, the touch all-in-one machine PLC and the automatic switching power supply are electrically connected; The automatic switching power supply includes an AC220V power supply and a DC110V power supply. The DC110V power supply end and the DC0V power supply end of the DC110V power supply are connected to one end of the circuit breaker QF1. The other end of the circuit breaker QF1 is connected to one end of the contact of the contactor KM1. The DC110V power supply end at the other end of the contact of the contactor KM1 is electrically connected to the pins 1L, 2L, and 3L of the touch all-in-one PLC. The DC0V power supply end at the other end of the contact of the contactor KM1 is electrically connected to the pin M of the touch all-in-one PLC. The live wire L and the neutral wire N of the AC220V power supply are connected to one end of the circuit breaker QF2, the other end of the circuit breaker QF2 is connected to the input end of the AC / DC power converter, the output end of the AC / DC power converter is connected to one end of the contactor KM2, the other end of the contactor KM2 is connected to the input end of the DC / DC power converter, the DC24V power supply end output by the DC / DC power converter is connected to the touch all-in-one machine PLC pin 3L and pin L+ for communication, and the DC0V power supply end output by the DC / DC power converter is electrically connected to the touch all-in-one machine PLC pin M; The contact point of one end of the contactor KM1 is connected to the DC110V power supply terminal, one end of the relay KA1 and one end of the relay KA2, the other end of the relay KA1 is connected to one end of the alarm light L1, the other end of the relay KA2 is connected to one end of the alarm light L2, the other end of the alarm light L1 and the other end of the alarm light L2 are connected to the DC0V power supply terminal of one end of the contactor KM1; One end of the coil of contactor KM1 is connected to relay KA2, and both ends of relay KA2 are connected in parallel to the DC110V power supply ends at both ends of the contactor KM1 contact. The other end of the coil of contactor KM1 is connected to relay KA3, and relay KA3 is connected to relay KA2, and both ends of relay KA2 are connected in parallel to the DC0V power supply ends at both ends of the contactor KM1 contact. The contact DC110V power supply terminal of the other end of the contactor KM1 is connected to the positive pole of the DC / DC power converter input terminal, and the contact DC0V power supply terminal of the other end of the contactor KM1 is connected to the negative pole of the DC / DC power converter input terminal; One end of the contactor KM2 coil is connected to one end of the relay KA1, the other end of the relay KA1 is connected to the positive pole of the AC / DC power converter input terminal, the other end of the contactor KM2 coil is connected to the negative pole of the AC / DC power converter input terminal, and the alarm light L3 is connected in parallel to both ends of the contactor KM2 coil; Relay KA1 is electrically connected to the PLC pin 11 of the touch all-in-one machine, relay KA2 is electrically connected to the PLC pin 12 of the touch all-in-one machine, and relay KA3 is electrically connected to the PLC pin 13 of the touch all-in-one machine; The touch all-in-one machine PLC pin 0 is connected to the left door opening test information communication, the touch all-in-one machine PLC pin 1 is connected to the left door closing test information communication, the touch all-in-one machine PLC pin 2 is connected to the right door opening test information communication, the touch all-in-one machine PLC pin 3 is connected to the right door closing test information communication, the touch all-in-one machine PLC pin 4 is connected to the open standby test information communication, the touch all-in-one machine PLC pin 5 is connected to the close standby test information communication, the touch all-in-one machine PLC pin 6 is connected to the door zero speed test information communication, and the touch all-in-one machine PLC pin 7 is connected to the door release test information communication.

2. A subway vehicle power switching type automatic door opening and closing test system according to claim 1, characterized in that: The touch all-in-one machine PLC pin 14, pin 15 and the standby DC100 power supply are connected.

3. A subway vehicle power switching type automatic door opening and closing test system according to claim 2, characterized in that: The touch all-in-one machine PLC is communicatively connected with the human-machine display interface HMI.

4. A subway vehicle power switching automatic door opening and closing test system according to claim 3, characterized in that: The touch all-in-one PLC is provided with a power supply AC220V control button, a power supply DC110V control button, an emergency stop button, an AC indicator light, a DC110V input indicator light, a DC110V output indicator light and a completion indicator light.

5. A subway vehicle power switching type automatic door opening and closing test system according to claim 4, characterized in that: The touch all-in-one machine PLC pin 10 is communicatively connected with the warning light L1 , the warning light L2 , and the warning light L3 .

6. A subway vehicle power switching type automatic door opening and closing test system according to claim 5, characterized in that: The AC / DC power converter is an AC220V-DC110V power converter, and the DC / DC power converter is a DC110V-DC24V power converter.

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