Plug door centralized control circuit and plug door centralized control tester

Abstract

The utility model discloses a sliding plug door centralized control circuit and a sliding plug door centralized control tester, which relate to the technical field of rail transit vehicles and comprise a selection switch, a door opening switch and a door closing switch. The selection switch comprises a first contact and a second contact which are interlocked and a third contact and a fourth contact which are interlocked, the first contact and the third contact are interlocked, and the second contact and the fourth contact are interlocked; the first contact and the second contact are connected with a power supply after being connected in series with the door opening switch, and the third contact and the fourth contact are connected with the power supply; the first contact and the fourth contact are connected with a left door opening signal line, the second contact and the third contact are connected with a right door opening signal line, and the four contacts are connected with a door closing signal line through a door closing switch. The centralized control switch test of the sliding-plug door can be realized only by opening and closing each switch, so that the test steps are effectively simplified, and the test efficiency of the sliding-plug door is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transit vehicles, in particular to a plug sliding door centralized control circuit and a plug sliding door centralized control tester. Background Art

[0002] The statements in this section merely provide background technical information related to the present invention and do not necessarily constitute prior art.

[0003] The electric-controlled pneumatic plug door is an important equipment on rail transit vehicles. The reasonable installation and daily debugging and maintenance of the electric-controlled pneumatic plug door are the basis for ensuring the safe and stable operation of the electric-controlled pneumatic plug door system, and are the basic guarantee for ensuring the stable operation of railway passenger cars.

[0004] After the train is marshaled, the plug-in door is centrally controlled by the door control console of the broadcast car. When the broadcast car is not included in the train production process, the plug-in door centralized control function test method is: open the door controller cover of any car, apply pressure on the signal line corresponding to the door controller, and measure whether the whole train centralized control signal is normal at the car-end connector. However, this test method requires opening the door controller cover, and the test steps are cumbersome, time-consuming and laborious. Utility Model Content

[0005] In order to solve the above problems, the utility model proposes a plug door centralized control circuit and a plug door centralized control tester, which can realize the centralized control switch test of the plug door simply by opening and closing each switch, effectively simplifying the test steps and improving the plug door test efficiency.

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

[0007] In a first aspect, the utility model provides a plug sliding door centralized control circuit, comprising: a selection switch, a door opening switch and a door closing switch;

[0008] The selection switch comprises an interlocked first contact and a second contact and an interlocked third contact and a fourth contact, wherein the first contact and the third contact are interlocked, and the second contact and the fourth contact are interlocked;

[0009] The first contact and the second contact are connected in series with the door opening switch and then connected to the power supply, and the third contact and the fourth contact are connected to the power supply;

[0010] The first contact and the fourth contact are both connected to the left door opening signal line, the second contact and the third contact are both connected to the right door opening signal line, and the four contacts are all connected to the door closing signal line through the door closing switch.

[0011] As an optional embodiment, the selection switch also includes an interlocked fifth contact and a sixth contact, the first contact, the second contact and the fifth contact are interlocked with each other, and the third contact, the fourth contact and the sixth contact are interlocked with each other. When the fifth contact and the sixth contact are closed, the door closing signal line, the left door opening signal line and the right door opening signal line cannot be energized.

[0012] As an optional implementation, when the first contact and the third contact of the selection switch are closed, the right door opening signal line is energized, or when the second contact and the fourth contact are closed, the left door opening signal line is energized. When the right door opening signal line or the left door opening signal line is in a high level state for a set time, the door closing switch is closed, the door closing signal line is energized, and when the door closing signal line changes from a low level to a high level and maintains a set time, both the left door and the right door are closed.

[0013] As an optional implementation, when the first contact and the third contact of the selection switch are closed, the right door opening signal line is energized, and after the right door opening signal line is in a high level state for a set time, the door opening switch is closed, and after the left door opening signal line is energized and maintained for a set time, the left door opens.

[0014] As an optional implementation, when the second contact and the fourth contact of the selection switch are closed, the left door opening signal line is energized, and after the left door opening signal line is in a high level state for a set time, the door opening switch is closed, and after the right door opening signal line is energized and maintained for a set time, the right door opens.

[0015] As an optional implementation, the first contact and the fourth contact are respectively connected to the anode of the first diode, the cathode of the first diode is respectively connected to the door closing switch and the time relay, and the door closing switch is connected to the door closing signal line;

[0016] The second contact and the third contact are respectively connected to the anode of the second diode, the cathode of the second diode is respectively connected to the door closing switch and the time relay, and the door closing switch is connected to the door closing signal line;

[0017] The first contact and the second contact are connected in series with the door opening switch and then connected to the positive electrode of the power supply, and the third contact and the fourth contact are directly connected to the positive electrode of the power supply;

[0018] The first diode and the second diode are connected in parallel, and the negative terminal of the parallel connection is connected to the negative electrode of the power supply through a time relay.

[0019] As an optional implementation, the contacts of the time relay are in a normally closed state. When the first contact and the third contact are closed or the second contact and the fourth contact are closed, the time relay is energized. When the energization exceeds the set time, the contacts of the time relay are disconnected.

[0020] As an optional implementation, the Sierra door centralized control circuit also includes a power supply module using a DC-DC converter, the input end of the DC-DC converter is connected to a 110V DC voltage, the output end outputs a 24V DC voltage, a power indicator light is connected in parallel at the positive and negative poles of the power supply, and a power switch is connected in series at the input end of the DC-DC converter.

[0021] In the second aspect, the utility model provides a plug sliding door centralized control tester, comprising: a box body and the plug sliding door centralized control circuit described in the first aspect placed in the box body, the box body is provided with a signal transmission line, one end of the signal transmission line is connected to the signal line of the plug sliding door centralized control circuit, and the other end is connected to the vehicle-end connector.

[0022] As an optional embodiment, a power cord is provided on the box body, one end of the power cord is crimped onto the power terminal block inside the vehicle or connected to an external power supply outside the vehicle, and the other end of the power cord is connected to the power supply of the Sierra door centralized control circuit.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] The utility model designs a plug door centralized control circuit and a plug door centralized control tester based on a study on the gate control principle of rail transit vehicles. The centralized control switch test of the plug door can be realized only by opening and closing each switch, thereby effectively simplifying the test steps, reducing the tediousness and complexity of the test, reducing the labor cost of the test personnel, improving the efficiency of the vehicle plug door test, and solving the problem of cumbersome test methods for the plug door centralized control function when there is no broadcasting vehicle during the product debugging process.

[0025] Advantages of additional aspects of the present invention will be partially given in the following description, and partially become apparent from the following description, or be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0027] Figure 1 The plug sliding door centralized control circuit diagram provided in Example 1 of the utility model;

[0028] Figure 2 This is a schematic diagram of the interior of the plug sliding door centralized control tester provided in Example 2 of the utility model;

[0029] Figure 3 A schematic diagram of the external box of the plug sliding door centralized control tester provided in Example 2 of the utility model;

[0030] Figure 4A schematic diagram of a control panel provided in Example 2 of the present utility model;

[0031] Figure 5 A schematic diagram of a signal transmission line with a plug provided in Example 2 of the utility model;

[0032] Figure 6 This is the pin number diagram of the vehicle-end connector provided in Example 2 of the utility model. DETAILED DESCRIPTION

[0033] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0034] It should be noted that the following detailed descriptions are exemplary and are intended to provide further description of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0035] It should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that the terms "include" and "comprise" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0036] In the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0037] Example 1

[0038] Since the existing Sierra door centralized control test method requires opening the door controller cover each time, applying pressure to the corresponding signal line of the door controller, and measuring whether the entire train centralized control signal is normal at the vehicle-end connector, the entire test method and steps are relatively cumbersome.

[0039] Therefore, this embodiment proposes a plug sliding door centralized control circuit, such as Figure 1 As shown, it includes: a selection switch, a door opening switch SB2 and a door closing switch SB1;

[0040] Among them: TW1 is the centralized control positive line, TW6 is the centralized control negative line, TW2 is the door not closed signal line, TW5 is the left door opening signal line, TW4 is the right door opening signal line, TW3 is the door closing signal line, TW4 (or TW5) has opposite terminal numbers on the first side and the second side of the same car, and the door closing switch SB1 and the door opening switch SB2 are both self-reset buttons.

[0041] Specifically:

[0042] The selection switch comprises an interlocked first contact and a second contact and an interlocked third contact and a fourth contact, wherein the first contact and the third contact are interlocked, and the second contact and the fourth contact are interlocked;

[0043] The first contact and the second contact are connected in series with the door opening switch SB2 and then connected to the power supply, and the third contact and the fourth contact are connected to the power supply;

[0044] The first contact and the fourth contact are both connected to the left door opening signal line TW5, the second contact and the third contact are both connected to the right door opening signal line TW4, and the four contacts are all connected to the door closing signal line TW3 through the door closing switch SB1.

[0045] It can be understood that interlocking means that when one contact is closed, the other contact is open; interlocking means that two contacts are closed or opened at the same time.

[0046] In this embodiment, the first contact and the second contact of the selection switch correspond to the left door and the right door respectively, and the third contact and the fourth contact also correspond to the left door and the right door respectively. When the first contact and the third contact are closed, the second contact and the fourth contact are disconnected, that is, the "left door" is selected. Similarly, when the second contact and the fourth contact are closed, the first contact and the third contact are disconnected, that is, the "right door" is selected.

[0047] The selection switch also includes an interlocked fifth contact and a sixth contact, the fifth contact and the sixth contact both correspond to the middle position, the first contact, the second contact and the fifth contact are interlocked with each other, and the third contact, the fourth contact and the sixth contact are interlocked with each other. When the selection switch selects the middle position, that is, the fifth contact and the sixth contact are closed, TW3, TW4, and TW5 cannot be powered, and opening and closing the doors on both sides cannot be used.

[0048] In this embodiment, the first contact, the second contact, the third contact and the fourth contact are all connected to the time relay T1. The contacts of the time relay T1 are in a normally closed state. When the first contact and the third contact are closed or the second contact and the fourth contact are closed, that is, when the selection switch selects "left door" or "right door", the time relay T1 is energized. When the energization exceeds the set time (such as 10 seconds, 11 seconds, etc.), the contacts of the time relay T1 are disconnected.

[0049] It can be understood that the time that the time relay T1 maintains after being energized can be customized, and it will be disconnected after maintaining the set time.

[0050] In this embodiment, the first contact is connected to the anode of the first diode, the cathode of the first diode is connected to the door closing switch SB1 and the time relay T1 respectively, and the door closing switch SB1 is connected to the door closing signal line TW3;

[0051] The second contact is connected to the anode of the second diode, the cathode of the second diode is connected to the door closing switch SB1 and the time relay T1 respectively, and the door closing switch SB1 is connected to the door closing signal line TW3;

[0052] The third contact is connected to the anode of the second diode, the cathode of the second diode is connected to the door closing switch SB1 and the time relay T1 respectively, and the door closing switch SB1 is connected to the door closing signal line TW3;

[0053] The fourth contact is connected to the anode of the first diode, the cathode of the first diode is connected to the door closing switch SB1 and the time relay T1 respectively, and the door closing switch SB1 is connected to the door closing signal line TW3;

[0054] The first contact and the second contact are also connected in series with the door opening switch SB2 and then connected to the positive electrode of the power supply, and the third contact and the fourth contact are directly connected to the positive electrode of the power supply, that is, the centralized control positive line TW1;

[0055] The first diode and the second diode are connected in parallel, and the negative terminal of the parallel connection is connected to the negative electrode of the power supply, that is, the centralized control negative electrode line TW6, through the time relay T1.

[0056] In this embodiment, a power supply module using a DC-DC converter is also included. A 110V DC voltage is connected to the input end of the DC-DC converter, and a 24V DC voltage is output at the output end. The positive and negative poles of the 24V DC voltage are the positive and negative poles of the power supply. A power indicator light L1 is also connected in parallel to the positive and negative poles of the power supply. A power switch K1 is connected in series to the input end of the DC-DC converter. When the power switch K1 is closed, power is supplied and the power indicator light L1 lights up.

[0057] This embodiment uses a DC110V power supply as input and converts it into DC24V. It can be tested by taking power from an existing vehicle, or it can be powered by an external DC110V ground power supply tool. When the vehicle has power, the vehicle side can be used for power supply. When the vehicle side has no power, the ground DC110V tool can be used for power supply.

[0058] In this embodiment, based on the above-mentioned plug door centralized control circuit, its working principle is as follows.

[0059] (1) When the power switch K1 is closed and the selector switch is in the "neutral position", TW3, TW4 and TW5 cannot be powered and the door opening and closing functions on both sides cannot be used.

[0060] (2) Centralized control of door closing: close the power switch K1, select the first and third contacts of the switch to close, that is, when the "left door" is selected, the right door opening signal line TW4 is energized, or the second and fourth contacts are closed, that is, when the "right door" is selected, the left door opening signal line TW5 is energized. When the right door opening signal line TW4 or the left door opening signal line TW5 is in a high level state for a set time (such as 0.5 seconds, 0.6 seconds, etc.), close the door closing switch SB1, and the door closing signal line TW3 is energized. After the door closing signal line TW3 changes from a low level to a high level and maintains a set time (such as 0.5 seconds, 0.6 seconds, etc.), both doors can be closed.

[0061] It should be noted that the design logic of centralized control door closing includes two conditions: ① The right door opening signal line TW4 or the left door opening signal line TW5 needs to maintain a high level state for a set time. ② The door closing signal line TW3 changes from low to high and maintains the set time. Centralized control door closing can only be performed when conditions ① and ② are all met, and when condition ① is met, condition ② can be created multiple times to perform multiple centralized control door closings.

[0062] (3) Centralized control door opening: close the power switch K1, select the first and third contacts of the switch to close, that is, select "left door", the time relay T1 is energized, the right door opening signal line TW4 is energized (at this time, TW4 remains energized, while TW5 is not energized), the right door opening signal line TW4 is in a high level state for a set time (such as 0.5 seconds, 0.6 seconds, etc.), and then the door opening switch SB2 is closed. At this time, the left door opening signal line TW5 is energized (that is, changes from a low level to a high level) and maintains the set time (such as 0.5 seconds, 0.6 seconds, etc.), the left door opens, and the right door does not move. After the set time (such as 10 seconds), the contact of the time relay T1 is disconnected, and pressing the door opening switch SB2 is invalid.

[0063] (4) Centralized control door opening: close the power switch K1, select the second and fourth contacts of the switch to close, that is, select "right door", the time relay T1 is energized, the left door opening signal line TW5 is energized (at this time, TW5 is directly energized, while TW4 is not energized), the left door opening signal line TW5 is in a high level state for a set time (such as 0.5 seconds, 0.6 seconds, etc.), and then close the door opening switch SB2. At this time, the right door opening signal line TW4 is energized (that is, changed from low level to high level) and maintained for a set time (such as 0.5 seconds, 0.6 seconds, etc.), the right door opens, and the left door does not move. After the set time (such as 10 seconds), the contact of the time relay T1 is disconnected, and pressing the door opening switch SB2 is invalid.

[0064] (5) The centralized control door closing state is released. After the centralized control door is closed, the centralized control door is opened again.

[0065] It can be understood that the time for which TW3, TW4 and TW5 maintain a high level state after being powered on can be customized without specific limitation.

[0066] In this embodiment, it also includes a door status indicator light L2 and a door not fully closed signal line TW2 connected in series. When the door is opened, the door not fully closed signal line TW2 is energized and the door status indicator light is on. When the door is fully closed, the door status indicator light is off.

[0067] The present embodiment provides a plug sliding door centralized control circuit, which can realize the centralized control switch test of the plug sliding door only by closing each switch, effectively simplifying the test steps, reducing the tediousness and complexity of the test, reducing the labor cost of the test personnel, and improving the efficiency of the vehicle plug sliding door test, and solving the problem of cumbersome test methods for the centralized control function of the plug sliding door when there is no broadcasting vehicle during the product debugging process.

[0068] Example 2

[0069] The present embodiment proposes a plug-in door centralized control tester, comprising: a box body and the plug-in door centralized control circuit described in Example 1 placed in the box body, the box body is provided with a signal transmission line, one end of the signal transmission line is connected to the signal line of the plug-in door centralized control circuit, and the other end is connected to the vehicle-end connector.

[0070] In this embodiment, if Figure 2-Figure 3 As shown, the box has a handle, and the box-type plug door centralized control tester can be stored for a long time and is convenient to carry and move during testing.

[0071] In this embodiment, the box is also provided with a control panel, such as Figure 4 As shown, the control panel includes power indicator light, door status indicator light, power switch, 5A insurance, left and right door opening and closing selection knobs, test start button, test stop button, etc. When DC110V voltage is added to the input end, turn on the power switch and the power indicator light will be on; according to technical requirements, the left plug door and the right plug door will be tested for opening and closing; when the door is opened, the door status indicator light will be on, and when the door is fully closed, the door status indicator light will be off. The circuit also has insurance to protect the circuit. The operation interface of the control panel has clear labels for each function button and indicator light, and the labels are concise and clear, which is convenient for on-site test personnel to operate.

[0072] In this embodiment, a power cord is provided on the box, one end of which is crimped onto the 110V power terminal block inside the vehicle, or connected to a DC110V power supply outside the vehicle to provide power for the tester, and the other end of the power cord is connected to the power supply of the Sierra door centralized control circuit.

[0073] Because a DC110V power supply is used as input and converted to DC24V, power can be taken from the existing vehicle for testing, or an external DC110V ground power supply tool can be used for power supply. When the vehicle has power, the vehicle side can be used for power supply. When the vehicle side has no power, the ground DC110V tool can be used for power supply.

[0074] In this embodiment, the signal transmission line has a plug, such as Figure 5 As shown, its model matches the vehicle-side connector. The vehicle-side connector pin number is shown in Figure 6 As shown, the centralized control function of the entire train's plug doors is achieved by using a plug that matches the vehicle-end connector base.

[0075] In this embodiment, based on the research on the door control system principles of rail transit vehicles, a Sierra door centralized control tester is designed. The Sierra door centralized control tester simulates the DC24V signal required for the vehicle-side door controller to open and close the door. The centralized switch test of the Sierra door only needs to be performed by pressing a button to realize the control of the entire vehicle door control system, which effectively simplifies the test steps, reduces the tediousness and complexity of the test, reduces the labor cost of the test personnel, improves the efficiency of the vehicle Sierra door test, and solves the problem of cumbersome test methods for the centralized control function of the Sierra door when there is no broadcasting car during the product debugging process.

[0076] Although the above describes the specific implementation methods of the utility model in combination with the accompanying drawings, it is not intended to limit the scope of protection of the utility model. Technical personnel in the relevant field should understand that on the basis of the technical solution of the utility model, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the utility model.

Claims

1. A plug sliding door centralized control circuit, characterized in that: include: Selector switch, door opening switch and door closing switch; The selection switch comprises an interlocked first contact and a second contact and an interlocked third contact and a fourth contact, wherein the first contact and the third contact are interlocked, and the second contact and the fourth contact are interlocked; The first contact and the second contact are connected in series with the door opening switch and then connected to the power supply, and the third contact and the fourth contact are connected to the power supply; The first contact and the fourth contact are both connected to the left door opening signal line, the second contact and the third contact are both connected to the right door opening signal line, and the four contacts are all connected to the door closing signal line through the door closing switch.

2. A plug sliding door centralized control circuit as claimed in claim 1, characterized in that: The selection switch also includes an interlocked fifth contact and a sixth contact. The first contact, the second contact and the fifth contact are interlocked with each other. The third contact, the fourth contact and the sixth contact are interlocked with each other. When the fifth contact and the sixth contact are closed, the door closing signal line, the left door opening signal line and the right door opening signal line cannot be energized.

3. A plug sliding door centralized control circuit as claimed in claim 1, characterized in that: When the first contact and the third contact of the selection switch are closed, the right door opening signal line is energized, or when the second contact and the fourth contact are closed, the left door opening signal line is energized. When the right door opening signal line or the left door opening signal line is in a high level state for a set time, the door closing switch is closed, the door closing signal line is energized, and when the door closing signal line changes from a low level to a high level and maintains a set time, both the left door and the right door are closed.

4. A plug sliding door centralized control circuit as claimed in claim 1, characterized in that: When the first contact and the third contact of the selection switch are closed, the right door opening signal line is energized. After the right door opening signal line is in a high level state for a set time, the door opening switch is closed. After the left door opening signal line is energized and maintained for a set time, the left door opens.

5. A plug sliding door centralized control circuit as claimed in claim 1, characterized in that: When the second contact and the fourth contact of the selection switch are closed, the left door opening signal line is energized. After the left door opening signal line is in a high level state for a set time, the door opening switch is closed. After the right door opening signal line is energized and maintained for a set time, the right door opens.

6. A plug sliding door centralized control circuit as claimed in claim 1, characterized in that: The first contact and the fourth contact are respectively connected to the anode of the first diode, the cathode of the first diode is respectively connected to the door closing switch and the time relay, and the door closing switch is connected to the door closing signal line; The second contact and the third contact are respectively connected to the anode of the second diode, the cathode of the second diode is respectively connected to the door closing switch and the time relay, and the door closing switch is connected to the door closing signal line; The first contact and the second contact are connected in series with the door opening switch and then connected to the positive electrode of the power supply, and the third contact and the fourth contact are directly connected to the positive electrode of the power supply; The first diode and the second diode are connected in parallel, and the negative terminal of the parallel connection is connected to the negative electrode of the power supply through a time relay.

7. A plug sliding door centralized control circuit as claimed in claim 6, characterized in that: The contacts of the time relay are in a normally closed state. When the first contact and the third contact are closed or the second contact and the fourth contact are closed, the time relay is energized. When the energization exceeds the set time, the contacts of the time relay are disconnected.

8. A plug sliding door centralized control circuit as claimed in claim 1, characterized in that: The plug sliding door centralized control circuit also includes a power supply module using a DC-DC converter. The input end of the DC-DC converter is connected to a 110V DC voltage, and the output end outputs a 24V DC voltage. A power indicator light is connected in parallel to the positive and negative poles of the power supply, and a power switch is connected in series to the input end of the DC-DC converter.

9. A plug sliding door centralized control tester, characterized in that: include: A box body and the Sierra door centralized control circuit as described in any one of claims 1 to 8 placed in the box body, wherein a signal transmission line is provided on the box body, one end of the signal transmission line is connected to the signal line of the Sierra door centralized control circuit, and the other end is connected to the vehicle-end connector.

10. A plug sliding door centralized control tester as claimed in claim 9, characterized in that: The box body is provided with a power cord, one end of which is crimped onto a power terminal block inside the vehicle or connected to an external power supply outside the vehicle, and the other end of the power cord is connected to a power supply of a Sierra door centralized control circuit.

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