KR20100128504A - Apparatus for mesuring for door opening and closing speed rail vehicle - Google Patents

Abstract

PURPOSE: A device for measuring the opening and closing speed of a door which is installed in a passenger room of a rail vehicle is provided to accurately measure the door opening and closing speed and to store measurement data. CONSTITUTION: A device for measuring the opening and closing speed of a door comprises a center sensor(30) and a side sensor(40), a jig(10) and a measuring-system body(50). The center sensor and side sensor are respectively installed in center and one-side end of the door installed at each passenger room of a rail vehicle and sense opening and closure of door. The jig for sensor supports the center sensor and the side sensor. The measuring-system body measures the opening turnaround time and closure turnaround time of the door based on a signal from the center sensor and the side sensor.

Description

Apparatus for mesuring for door opening and closing speed rail vehicle}

The present invention relates to a door opening and closing speed measuring device of a railway vehicle, and in particular, made of a portable type to measure the door opening and closing speed of the railway vehicle to quickly and accurately measure the opening and closing speed of the door installed in each cabin of the railway vehicle Relates to a device.

As is well known, in the face of the situation that the expansion of road transportation networks, especially road networks in large cities, is limited due to the cost and the limitations of land, the expansion of railway transportation networks including the subway is continuously being made. It is firmly positioned as a public transport.

Among these railway vehicles, most of the railroads adopt a double door type slide door, and a total of four double door doors are adopted on the left and the right side of each vehicle. The door of such a railway vehicle is automatically opened or closed by hydraulic or pneumatic or by a driver's manual operation, a predetermined time, for example 0.5 seconds (bumper time) before the complete closing to prevent the passenger from being caught in the door It stops for a while and then closes again.

On the other hand, the door opening and closing speed, that is, the time required for opening and closing the railroad vehicle should be thoroughly managed and controlled to maintain a predetermined range for on-time driving and safety of passengers.

However, in the related art, since the operator needs to manually measure the time required to open and close the door of the railway vehicle using a stopwatch or the like, a large number of measurement errors occur, and thus there is a problem that the reliability of the data is low. Furthermore, there was a problem that at least two people were required and the process was very cumbersome because the measurement data had to be transferred to the computer after the operator moved the data sheet.

The present invention has been made to solve the above-mentioned problems, it is made of a portable so that not only to measure the opening and closing speed of the doors installed in each cabin of the railway vehicle quickly and accurately, but also to easily record and store the measurement data An object of the present invention is to provide a door opening and closing speed measuring apparatus for a railway vehicle.

The door opening and closing speed measuring apparatus of the railroad vehicle of the present invention for achieving the above object is installed at the center and one end of the double doors installed in each cabin of the railroad car, respectively, the sensor for the center and the side for detecting the opening and closing of the door Sensor for; A sensor jig for supporting the central sensor and the side sensor, and a measuring body for measuring the open time and the closing time of the door based on signals from the central sensor and the side sensor.

In the above-described configuration, the sensor jig is formed in the form of a bar attached to the height adjustment on both sides, the end is formed with a stepped portion is caught on the door frame to maintain a stable posture during installation, the center and one side A center sensor fixing hole and a side sensor fixing hole for fixing the center sensor and the side sensor are formed.

On the other hand, the center sensor and the side sensor is preferably made of a photo coupler, respectively.

The measuring device main body includes a numeric key input unit for generating a corresponding key signal through a numeric key button for inputting a vehicle number and a door number of a guest room to measure the opening / closing speed; A function key input unit for receiving various functions necessary for measuring the opening / closing speed of the door; An input state indicator for displaying a current input state through the numeric key input unit so that a user can check the input state; An open speed indicator and a closed speed indicator for indicating the open time and the closed time, respectively; Based on the detection signal from the central opening and closing detection unit and the side opening and closing detection unit and the central opening and closing detection unit and the side opening and closing detection unit including the central sensor, the side sensor and the peripheral circuit element. After measuring the required opening time and closing time of the door may include a microcomputer to output to the opening speed indicator and the closing speed indicator.

Furthermore, the measuring instrument body may further include a card reader for reading and writing data from the portable memory card.

According to the door opening and closing speed measuring apparatus of the railroad vehicle of the present invention, it is portable and can not only quickly and accurately measure the opening and closing speeds of the doors installed in each cabin of the railroad car, but also can easily record and store the measurement data. .

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the door opening and closing speed measuring apparatus of a railway vehicle according to an embodiment of the present invention.

1A and 1B are respectively a front view and a plan view showing a schematic structure of a sensor jig used in a door opening and closing speed measuring device of a railroad car of the present invention, and FIG. 2 is a door opening and closing speed measuring device of a railroad car of the present invention. Figure 3 is a front view of the main body, Figure 3 is a diagram showing the installation state of the door opening and closing speed measuring apparatus of the railway vehicle of the present invention. The door opening / closing speed measuring device of the railway vehicle of the present invention includes a sensor jig 10 as shown in FIG. 1 and a measuring instrument body 50 as shown in FIG. 3.

In the above-described configuration, the sensor jig 10 may be formed of a bar-shaped body 12, for example, an aluminum body 12, with legs 14 for height adjustment on both sides thereof, the length of which is Is made slightly larger than the overall width of the slide door (hereinafter simply referred to as 'door') 20 of the railway vehicle. At the end of the body 12, a stepped portion 12a is formed on the door frame 22 to maintain a stable posture during installation. A proximity sensor, for example, is provided at the center and one side of the body 12, respectively. The center sensor fixing hole 16 and the side sensor fixing hole 18 for fixing the center sensor 30 and the side sensor 40 which consist of a photo coupler are provided. Here, each photo coupler may be composed of a photodiode for emitting light and a phototransistor pair for receiving light. In the state in which the door is closed, the phototransistor is emitted after the light emitted from the photodiode is reflected by the door 20. In the case of being opened at the other hand, it is not incident on the photo transistor, so it can be determined whether the door 20 is opened or closed by checking this, and further, the time required for opening and closing can be measured. .

On the other hand, the main body of the measuring device 50 is formed inside the box-shaped enclosure, the front of the power switch 51, the vehicle number and door number of the cabin to measure the opening and closing speed, respectively, in place A total of 12 numeric key buttons 52 for displaying the current input state through the numeric key buttons 52, for example, a flat panel display 54, such as an LCD, for displaying the opening time and closing time, respectively. Two numeric indicators 58, 59 for selecting, for example, six function key buttons 53 for selecting various functions to be described later, two LEDs for indicating whether the power is turned on and whether the sensor is recognized, respectively. 56 and 57 and a fuse replacement knob 55 are arranged.

Meanwhile, as shown in FIG. 3, in the measurement of the door opening and closing speed by the measuring device of the present invention, first, the sensor fixing holes 16 and the side sensor fixing holes 18 of the sensor jig 10 are respectively. In the state where the center sensor 30 and the side sensor 40 are fixed, the wires 35 and 45 extending from each sensor are connected to the measuring instrument main body 50, and in this state, the sensor jig 10 is connected. It is measured by accurately fixing to the door frame 22.

On the other hand, although not shown, the side of the measuring device main body 50 is provided with a card insertion hole into which a portable memory card, for example, a CF card, can be inserted.

4 is an electrical block diagram of the door opening and closing speed measuring apparatus for a railway vehicle according to the present invention. For convenience, the description will be given by referring to a different reference numeral from FIG. 3. As shown in Figure 4, the electrical configuration of the door opening and closing speed measuring device of the railroad vehicle of the present invention is to reduce, rectify and smooth the AC 220V supplied from each room outlet (not shown) of the railroad car, DC power supply unit 180 for supplying DC power supply, for example, 5V DC power supply to each part of the device, and a total of 12 numeric key buttons for inputting the vehicle number and door number of the cabin for which the opening / closing speed is to be measured. Numeric key input unit 110 for generating a corresponding key signal through, the input state for displaying a current input state through the numeric key input unit 110 so that the user can check, for example, a flat panel display such as LCD The display 160, the open speed indicator 150 and the closed speed indicator 160 for displaying the open time and the closed time, respectively, for selecting various functions described later, for example Function key input unit 120 to generate a corresponding key signal through a total of six function key buttons, the operation status indicator 130 consisting of LEDs for indicating whether the power is turned on and whether the sensor is recognized, the central sensor and the side Card reader 170 for reading and recording data from the central open / close detection unit 140 and the side open / close detection unit 145 including the sensor and the peripheral circuit elements and the portable memory card inserted into the card insertion opening. ) And the microcomputer 100 to collectively control the operations of all of them.

In the above-described configuration, the function key input unit 120 again inputs a command for storing the measured data in the portable memory card after the measurement of the opening / closing speed for a plurality of rooms, for example, a total of eight doors, is completed. Receiving CF storage key input unit 121, a start key input unit 122 for receiving a command to inform the start of the test after entering the room number and the door number, data storage key input unit for receiving a command for storing the measurement data for each door ( 123), a data reset key input unit 124 for receiving a command for deleting measurement data for the currently measured door, and an erase key input unit 125 for removing one-by-one data immediately before an incorrect entry of a room number or door number. And a CPU reset key input unit 126 which receives a command for resetting and initializing the CPU before initial test start and when various errors occur.

Figure 5 is a flow chart for explaining the door opening and closing speed measuring method of the railway vehicle of the present invention, unless otherwise described, it turns out that the microcomputer performs as the main subject. As shown in FIG. 5, first, in step S10, it is checked whether a CPU reset key is input, and if so, the process proceeds to step S12 to perform a CPU reset. This step S12 is preferably performed for initialization.

Next, in step S14, the vehicle (combination) number and the door (upper) number are received from the tester through the numeric key input unit and temporarily stored, and the data is displayed at the input so that the tester can know through the input status display. After the input is completed, step S16 is performed again to display a guide message for inputting the start key.

Next, when the start key is input in this manner, the process proceeds to step S18 to determine whether a detection signal is input from the center open / close detection unit 140 and the side open / close detection unit 145. If step S18 is repeatedly performed while inputted, the flow advances to step S20 to measure the opening and closing time (speed). In this case, the opening speed is regarded as the opening is started when the level of the signal input from the central opening and closing detection unit 140 is changed, for example, from a high level to a low level, and in this state, the opening and closing detection unit for the side ( In the case of switching from the high level to the low level, for example, up to the level of the signal input from 145, it is considered that the complete opening is completed, and the time therebetween can be determined as the opening time required.

On the contrary, when the level of the signal input from the side opening / closing detection unit 145 is switched from the low level to the high level again, the closing is considered to be started. In this state, the central opening and closing detection unit 140 From the low level to the high level, for example, when switching from the low level to the high level, the closing time is considered to be complete, and the time between them may be determined as the closing time required.

Returning to FIG. 5 again, in step S22, it is determined whether the opening and closing is completed. If not, the step S22 is repeatedly performed, whereas in the case of completion, the opening and closing time determined in the previous manner is determined by the step S24. And a closing speed indicator for display by the tester.

Next, in step S26, it is determined whether the data storage key is input. If so, the process proceeds to step S28 to temporarily store the opening / closing time calculated in the previous step S20 in the RAM of the microcomputer 100. do. In this way, when the measurement of the opening and closing time for the door is completed, the tester must input the CF storage key to transfer it to the CF card and store it. In step S30, the CF storage key is input through the CF storage key input unit. Judge.

As a result of the determination in step S30, when the CF storage key is input, the process proceeds to step S32 to store the measured data temporarily stored in the RAM on the CF card, and the tester repeats this flowchart for each door to perform the Collect measurement data for

On the other hand, the measurement data collected in the CF card is managed to be transferred to a PC equipped with a management program, Figure 6 is a table showing the collected measurement data as an example.

The door opening and closing speed measuring apparatus of the railway vehicle of the present invention is not limited to the above-described embodiment, and can be modified in various ways within the range permitted by the technical idea of the present invention. For example, in the above-described embodiment, a CF card is used as a portable memory card. Alternatively, a conventional USB stick, SD card, or micro SD card may be used. Furthermore, in addition to the photocoupler, various types of proximity sensors, for example, a direct contact micro switch, may be used as the above-described center sensor and side sensor.

1a and 1b is a front view and a plan view showing a schematic structure of a jig for a sensor used in the door opening and closing speed measuring device of the railway vehicle of the present invention, respectively;

2 is a front view of the main body of the door opening and closing speed measuring apparatus of the railway vehicle of the present invention,

3 is an installation state diagram of the door opening and closing speed measuring apparatus of the railway vehicle of the present invention,

4 is an electrical block diagram of a door opening and closing speed measuring apparatus for a railway vehicle according to the present invention;

5 is a flowchart illustrating a door opening and closing speed measuring method of a railway vehicle according to the present invention;

Figure 6 is a table showing the door opening and closing speed measurement data of the railway vehicle collected by the present invention by way of example.

*** Explanation of symbols for the main parts of the drawing ***

10: jig for sensor, 12: body,

12a: step, 14: leg,

16: sensor fixing hole for center, 18: sensor fixing hole for side,

20: slide door, 22: door frame,

30: central sensor, 35, 45: wire,

40: side sensor, 50: measuring instrument body,

51: power switch, 52: numeric key button,

53: function key button, 54: flat panel indicator,

55: fuse replacement knob, 56, 57: LED,

58, 59: numeric indicator,

100: microcomputer, 110: numeric key input unit,

120: function key input unit, 121: CF storage key input unit,

122: start key input unit, 123: data storage key input unit,

124: data reset key input; 125: erase key input;

126: CPU reset key input unit, 130: operation status indicator,

140: central opening and closing detection unit, 145: side opening and closing detector,

150: open speed indicator, 155: closed speed indicator,

160: input status indicator, 170: card reader,

180: DC power supply, 190: fuse,

195: power switch

Claims (5)

A center sensor and a side sensor installed at each of the center and one end of the double doors installed in each cabin of the railway vehicle to detect the opening and closing of the door; A sensor jig for supporting the central sensor and the side sensor; The door opening and closing speed measuring device of the railway vehicle comprising a measuring body for measuring the time required for opening and closing the door based on the signals from the central sensor and the side sensor. The method of claim 1, The sensor jig is formed in the form of a bar attached to the height adjustment on both sides, but at the end is formed a stepped portion that is caught in the door frame to maintain a stable posture during installation, the central and one side and the central sensor and The center sensor fixing hole and the side sensor fixing hole for fixing the side sensor is formed, the door opening and closing speed measuring apparatus of the railway vehicle, characterized in that formed. The method of claim 2, The center sensor and the side sensor is a door opening and closing speed measuring device of the railway vehicle, characterized in that each consisting of a photo coupler. The method of claim 3, wherein The measuring device main body includes a numeric key input unit for generating a corresponding key signal through a numeric key button for inputting a vehicle number and a door number of a guest room to measure the opening / closing speed; A function key input unit for receiving various functions necessary for measuring the opening / closing speed of the door; An input state indicator for displaying a current input state through the numeric key input unit so that a user can check the input state; An open speed indicator and a closed speed indicator for indicating the open time and the closed time, respectively; A central open / close detection unit and a side open / close detection unit including the central sensor, the side sensor, and a peripheral circuit element thereof; And a microcomputer outputting the opening speed indicator and the closing speed indicator after measuring the opening and closing time of the door based on the detection signals from the central opening and closing detection unit and the side opening and closing detection unit. Door opening and closing speed measuring apparatus for a railway vehicle. The method according to any one of claims 1 to 4, The measuring device main body further comprises a card reader for reading and recording data from a portable memory card, the door opening and closing speed measuring device of the railway vehicle.

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