Track ruler

Abstract

The utility model relates to a track ruler, which is characterized by comprising a ruler rod, a movable seat, a fixed seat, a handheld part, a horizontal sensor, a track gauge sensor and a shell, the movable seat and the fixed seat are respectively arranged at two opposite ends of the ruler rod, and the movable seat is slidably connected with the ruler rod; the gauge sensor and the handheld part are respectively arranged on two opposite side surfaces of the ruler rod; the shell and the handheld part are arranged on the same surface of the ruler rod; the shell is provided with a cavity with an opening in one end, and the horizon sensor is arranged in the cavity of the shell. Multiple sensors are integrated, the horizontal value and the track gauge value between the left track and the right track can be measured at the same time, the detection precision is high, the detection efficiency is high, and under the protection effect of the shell, the anti-interference capacity is high, and the influence of the external environment is avoided.

Description

Technical Field

[0001] The present application relates to the field of railway detection technology, and in particular to a track ruler. Background Art

[0002] The detection of track geometry in rail transit engineering track specialty is an important content that reflects the relative position relationship between the left and right rails. The detection data can be directly used to adjust the track geometry to ensure the smooth operation of the train. The detection of track geometry usually includes the horizontal parameters of the left and right rails. The bubble level ruler commonly used as a track ruler has low detection accuracy and is easily affected by external environmental temperature. Summary of the invention

[0003] In view of this, the present application proposes a track ruler suitable for improving the detection accuracy of horizontal parameters of left and right tracks.

[0004] According to one aspect of the present application, a track ruler is provided, characterized in that it comprises: a ruler rod, a movable seat, a fixed seat, a handheld part, a level sensor, a track gauge sensor and a housing;

[0005] The movable seat and the fixed seat are respectively arranged at opposite ends of the ruler rod, and the movable seat and the ruler rod are slidably connected;

[0006] The track gauge sensor and the handheld part are respectively arranged on two opposite sides of the ruler;

[0007] The housing and the hand-held part are arranged on the same surface of the ruler;

[0008] The shell is provided with a cavity with one end opened, and the level sensor is arranged inside the cavity of the shell.

[0009] In a possible implementation, the housing is provided with an upper cover;

[0010] The upper cover matches the opening of the shell, and the upper cover and the shell are detachably connected.

[0011] In a possible implementation, the method further includes: an RFID near-field sensor;

[0012] The RFID near-field sensor and the shell are respectively arranged on two opposite side surfaces of the ruler rod.

[0013] In a possible implementation, the device further includes: a PCB board;

[0014] The PCB board is arranged adjacent to the level sensor.

[0015] In a possible implementation, the housing includes: a first placement shell and a second placement shell;

[0016] The first placement shell is disposed adjacent to the second placement shell;

[0017] The PCB board is located inside the cavity of the first placement shell, and the level sensor is located inside the cavity of the second placement shell.

[0018] In a possible implementation, the PCB board is provided with a single-chip microcomputer;

[0019] The level sensor, the track gauge sensor and the RFID near-field sensor are all electrically connected to the single-chip microcomputer.

[0020] In a possible implementation, the second placement shell is provided with a wire passing hole;

[0021] The RFID near-field sensor is electrically connected to the single-chip microcomputer through the wire hole.

[0022] In a possible implementation, the PCB board is provided with a key switch module;

[0023] The key switch module is electrically connected to the single chip microcomputer.

[0024] In a possible implementation, the PCB board is provided with a display screen; the display screen is electrically connected to the single-chip computer.

[0025] In a possible implementation, a linear voltage regulator is provided on the PCB; the linear voltage regulator is electrically connected to the single chip microcomputer.

[0026] Beneficial effect: The present application integrates multiple sensors into one and can simultaneously measure the horizontal value and track gauge value between two tracks. Compared with the bubble level as a track ruler, it has high detection accuracy and high detection efficiency. Under the protection of the shell, it has strong anti-interference ability and will not be affected by the external environment.

[0027] Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments, features, and aspects of the present application and, together with the description, serve to explain the principles of the present application.

[0029] Figure 1 A main structural diagram of a track ruler according to an embodiment of the present application is shown;

[0030] Figure 2 A main structural diagram of a housing according to an embodiment of the present application is shown;

[0031] Figure 3 A circuit schematic diagram of a track ruler according to an embodiment of the present application is shown;

[0032] Figure 4 A circuit schematic diagram of a track ruler according to an embodiment of the present application is shown;

[0033] Figure 5 A wiring diagram of a PCB board according to an embodiment of the present application is shown. DETAILED DESCRIPTION

[0034] Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. The same reference numerals in the accompanying drawings represent elements with the same or similar functions. Although various aspects of the embodiments are shown in the accompanying drawings, the drawings are not necessarily drawn to scale unless otherwise specified.

[0035] Among them, it needs to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the utility model or simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0036] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0037] The word “exemplary” is used exclusively herein to mean “serving as an example, example, or illustration.” Any embodiment described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other embodiments.

[0038] In addition, in order to better illustrate the present application, numerous specific details are given in the following specific embodiments. It should be understood by those skilled in the art that the present application can also be implemented without certain specific details. In some examples, methods, means, components and circuits well known to those skilled in the art are not described in detail in order to highlight the subject matter of the present application.

[0039] Figure 1 A main structural diagram of a track ruler according to an embodiment of the present application is shown; Figure 2 A main structural diagram of a housing according to an embodiment of the present application is shown; Figure 3 A circuit schematic diagram of a track ruler according to an embodiment of the present application is shown; Figure 4 FIG. 2 shows a circuit diagram of a track ruler according to an embodiment of the present application. Figure 1As shown, the track ruler is characterized in that it includes: a ruler rod 500, a movable seat 510, a fixed seat 520, a hand-held part 400, a horizontal sensor, a track gauge sensor 200 and a shell 100; the movable seat 510 and the fixed seat 520 are respectively arranged at opposite ends of the ruler rod 500, and the movable seat 510 and the ruler rod 500 are slidably connected; the track gauge sensor 200 and the hand-held part 400 are respectively arranged on opposite sides of the ruler rod 500; the shell 100 and the hand-held part 400 are arranged on the same surface of the ruler rod 500; the shell 100 is provided with a cavity with one end open, and the horizontal sensor is arranged inside the cavity of the shell 100.

[0040] Here, it should be noted that the ruler 500 is suitable for placing the level sensor and the track gauge sensor 200; and provides a test platform for the level sensor and the track gauge sensor 200; the movable seat 510 and the fixed seat 520 are suitable for being placed on two adjacent tracks on the left and right respectively, and the movable seat 510 and the ruler 500 can be slidably arranged to facilitate adjusting the distance between the movable seat 510 and the fixed seat 520 so as to adapt to tracks of different widths, and the handheld part 400 is suitable for improving the mobility of the present application, and the level sensor is arranged on the top surface of the ruler 500, and the level sensor is suitable for measuring the level between the two tracks, and the track gauge sensor 200 is suitable for measuring the distance between the two tracks. The housing 100 is suitable for protecting and isolating the internal level sensor and circuit wires to prevent the electronic devices from being disturbed by the outside world, causing damage and affecting the detection. The present application integrates multiple sensors into one and can simultaneously measure the level value and track gauge value between the two tracks. Compared with the bubble level ruler as a track ruler, it has high detection accuracy, fast detection efficiency, strong anti-interference ability, and will not be affected by the external environment.

[0041] In a possible implementation, the movable seat 510 and the ruler rod 500 are slidably arranged, and further, a guide rail is provided at the bottom of the ruler rod 500, and the movable seat 510 is provided with a guide rail groove matching the guide rail, and the guide rail is embedded in the guide rail groove to achieve a slidable connection between the movable seat 510 and the ruler rod 500. A stopper is provided at the bottom of the movable seat 510.

[0042] In a possible implementation, the fixing seat 520 is fixedly disposed on the ruler 500 , and a stopper is disposed at the bottom of the fixing seat 520 .

[0043] In a possible implementation, the housing 100 is provided with an upper cover 130; the upper cover 130 matches the opening of the housing 100, and the upper cover 130 and the housing 100 are detachably connected. A plurality of bolt holes 140 are provided at the edge of the housing 100, and a plurality of bolt holes are also provided at the edge of the upper cover 130. The upper cover 130 is buckled at the opening end of the housing 100, and the housing 100 and the upper cover 130 are locked by a plurality of screws to achieve isolation, sealing, and protection of the internal level sensor and the PCB board.

[0044] In a possible implementation, it further includes: an RFID near-field sensor 300; the RFID near-field sensor 300 and the housing 100 are respectively arranged on two opposite sides of the ruler 500. The RFID near-field sensor 300 is suitable for reading the RFID chip embedded beside the track, obtaining the measured position information and uploading it to the single-chip computer 600.

[0045] In a possible implementation, the housing 100 includes: a first placement shell 110 and a second placement shell 120; the first placement shell 110 and the second placement shell 120 are arranged adjacent to each other; Figure 2 As shown, the main body of the first placement shell 110 is a rectangular shell structure, and the main body of the second placement shell 120 is also a rectangular shell structure. The first placement shell 110 and the second placement shell 120 are arranged adjacent to each other, and the first placement shell 110 and the second placement shell 120 are connected to each other to facilitate the passage of circuit wires.

[0046] In a possible implementation, the device further includes: a PCB board; the PCB board is disposed adjacent to the level sensor. The PCB board is located inside the cavity of the first placement shell 110 , and the level sensor is located inside the cavity of the second placement shell 120 .

[0047] In a possible implementation, a fixing rod is provided inside the cavity of the first placement shell 110 , and the fixing rod passes through the PCB board to play a role in positioning and fixing, so as to improve the fixing stability of the PCB board in the first placement shell 110 .

[0048] In a possible implementation, the PCB board is provided with a single-chip microcomputer 600; the level sensor, the track gauge sensor 200 and the RFID near-field sensor 300 are all electrically connected to the single-chip microcomputer 600. Figure 3 As shown, the gauge sensor 200 is electrically connected to the single-chip computer 600 through the first pair of wiring connectors 680, and the first pin of the first pair of wiring connectors 680 outputs a VDD33V voltage to provide a sensor power supply for the gauge sensor 200; the second pin of the first pair of wiring connectors 680 (gauge data receiving terminal) is electrically connected to the sixth pin of the digital-to-analog converter 720, and the third pin of the first pair of wiring connectors 680 (ground terminal) is grounded.

[0049] The RFID near-field sensor 300 is electrically connected to the single-chip microcomputer 600 through the third pair of wiring connectors 670; the first pin of the third pair of wiring connectors 670 outputs a DC+5V voltage to provide a sensor power supply for the RFID near-field sensor 300; the second pin of the third pair of wiring connectors 670 is electrically connected to the 18th pin (serial port data receiving terminal) of the single-chip microcomputer 600; the third pin of the third pair of wiring connectors 670 is electrically connected to the 17th pin (serial port data sending terminal) of the single-chip microcomputer 600, and the fourth pin of the third pair of wiring connectors 670 is connected to the VDD33V voltage to provide a reference level signal for the data signal; the fifth pin (ground terminal) of the third pair of wiring connectors 670 is grounded.

[0050] The horizontal sensor is electrically connected to the single-chip microcomputer 600 through the third pair of wiring connectors 690; the first pin of the third pair of wiring connectors 690 outputs a DC+5V voltage to provide sensor power for the horizontal sensor; the second pin of the third pair of wiring connectors 690 is electrically connected to the 27th pin (serial port data sending terminal) of the single-chip microcomputer 600, the third pin of the third pair of wiring connectors 670 is electrically connected to the 28th pin (serial port data receiving terminal) of the single-chip microcomputer 600, and the fourth pin (ground terminal) of the third pair of wiring connectors 690 is grounded.

[0051] In a possible implementation, the second housing 120 is provided with a wire hole 150, and the RFID near-field sensor 300 is electrically connected to the single-chip microcomputer 600 through the wire hole 150. Figure 2 As shown, a semicircular wire-passing hole 150 is provided on the side wall of the second placement shell 120 body 100, and the wire passes through the wire-passing hole 150 to realize signal transmission between the two.

[0052] In a possible implementation, the PCB board is provided with a key switch module 660; the key switch module 660 is electrically connected to the single chip microcomputer 600. Figure 3As shown, the key switch module 660 includes six key switches: one end of one key switch is connected to the VDD33V voltage, and the other end of the key switch is electrically connected to the 12th pin of the single-chip computer 600; one end of one key switch is connected to the VDD33V voltage, and the other end of the key switch is electrically connected to the 16th pin of the single-chip computer 600; one end of one key switch is connected to the VDD33V voltage, and the other end of the key switch is electrically connected to the 7th pin of the single-chip computer 600; one end of one key switch is connected to the VDD33V voltage, and the other end of the key switch is electrically connected to the 8th pin of the single-chip computer 600; one end of one key switch is connected to the VDD33V voltage, and the other end of the key switch is electrically connected to the 13th pin of the single-chip computer 600; one end of one key switch is connected to the VDD33V voltage, and the other end of the key switch is electrically connected to the 9th pin of the single-chip computer 600. It should be noted that the six key switches are: the check interval switching button, the menu up scroll button, the menu return button, the back protection distance switching button, the menu down scroll button, and the menu confirmation button.

[0053] In a possible implementation, the PCB board is provided with a display screen 610; the display screen 610 is electrically connected to the single-chip microcomputer 600. Figure 3 As shown, the first pin of the display screen 610 is grounded; the second pin of the display screen 610 is electrically connected to the second pin of the single-chip microcomputer 600; the third pin of the display screen 610 is electrically connected to the 30th pin of the single-chip microcomputer 600; and the fourth pin of the display screen 610 is electrically connected to the 31st pin of the single-chip microcomputer 600.

[0054] In a possible implementation, the PCB board is provided with an indicator light module 630; the indicator light module 630 is electrically connected to the single chip computer 600. Figure 3 As shown, the indicator light module 630 includes: three light emitting diodes: the positive electrode of one of the light emitting diodes is connected to the VDD voltage through a resistor R12, and the negative electrode is electrically connected to the 34th pin of the single-chip microcomputer 600, which is an indicator light for serial port data upload after the single-chip microcomputer 600 is connected to the computer; the positive electrode of one of the light emitting diodes is connected to the VDD voltage through a resistor R13, and the negative electrode is electrically connected to the 35th pin of the single-chip microcomputer 600, which is an indicator light for serial port data download after the single-chip microcomputer 600 is connected to the computer; the positive electrode of one of the light emitting diodes is connected to the VDD voltage through a resistor R14, and the negative electrode is grounded; it is an indicator light for the power on of the single-chip microcomputer.

[0055] In a possible implementation, the PCB board is provided with a fourth connector 640, the first pin of the fourth connector 640 is connected to the VDD33V voltage, the second pin of the fourth connector 640 is electrically connected to the third pin of the single-chip computer 600, the third pin of the fourth connector 640 is electrically connected to the 34th pin of the single-chip computer 600, the fourth pin of the fourth connector 640 is electrically connected to the 25th pin of the single-chip computer 600; the fifth pin of the fourth connector 640 is electrically connected to the 36th pin of the single-chip computer 600; the sixth pin of the fourth connector 640 is grounded. It should be noted that the fourth connector 640 is a connection socket of a computer program downloader, which corresponds to the corresponding interface of the downloader respectively. After connecting the download circuit, the single-chip computer 600 can enter the program download debugging mode.

[0056] In a possible implementation, it further includes: a computer program download circuit 620. The computer program download circuit 620 is electrically connected to a software burner; after the software burner is connected, the burner circuit pulls down the GPIO0 level and pulls up the EN level, so that the controller chip enters a program download debugging mode.

[0057] In a possible implementation, it also includes: a buzzer trigger circuit 650; the buzzer trigger circuit 650 includes: a light emitting diode and a buzzer; the buzzer is electrically connected to the 14th pin of the single-chip microcomputer 600, and the light emitting diode is electrically connected to the buzzer. It should be noted that when the user presses the ENTER button, the single-chip microcomputer 600 will poll the RFID near-field sensor 300. When the RFID near-field sensor 300 receives the data and is verified by the single-chip microcomputer 600 as the correct position, the buzzer triggers three high levels and emits "beep beep", and the RFID_RX_LED lights up synchronously, allowing the user to clearly understand that the current track gauge, level and position information can be uploaded to the handheld terminal via Bluetooth. If no data is received, the buzzer is not triggered. RFID_RCV is the trigger pin of the single-chip microcomputer.

[0058] In a possible implementation, the PCB board is provided with a USB interface 700, and the USB interface 700 is electrically connected to the single-chip microcomputer 600. Figure 4 As shown, the A1 pin of the USB interface 700 is grounded, the A4 pin, the A9 pin, the B9 pin, and the B4 pin of the USB interface 700 are all connected to a 5V voltage; the A5 pin of the USB interface 700 is grounded through a resistor R1, the A12 pin of the USB interface 700 is grounded, the B5 pin of the USB interface 700 is grounded through a resistor R2, and the B12 pin of the USB interface 700 is grounded. Furthermore, the USB interface 700 is a USB-C interface. Since the PCB board itself has no power supply, a power bank can be used through the USB interface 700 to power the entire PCB board, 5V1A.

[0059] In a possible implementation, the PCB board is provided with an MCU switch, such as Figure 4 As shown, one end of the MCU is connected to a 5V voltage, and the other end of the MCU is electrically connected to a linear regulator 710. It should be noted that the MCU switch is suitable for controlling the closing and opening of the microcontroller chip.

[0060] In a possible implementation, the PCB board is provided with a linear regulator 710; the linear regulator 710 is electrically connected to the single chip computer 600. Figure 4 As shown, the first pin of the linear regulator 710 is grounded, the second pin of the linear regulator 710 outputs a VDD33V voltage, the third pin of the linear regulator 710 is electrically connected to the MCU switch to access the +DC5V voltage; the fourth pin of the linear regulator 710 outputs the converted VDD33V voltage to the microcontroller 600 through the parallel capacitors C3 and C4.

[0061] In a possible implementation, the PCB board is provided with a digital-to-analog converter 720, and the digital-to-analog converter 720 is electrically connected to the single-chip microcomputer 600. Figure 4 As shown, the first pin of the digital-to-analog converter 720 is grounded, the ninth pin of the digital-to-analog converter 720 is electrically connected to the eleventh pin of the single-chip microcomputer 600, the tenth pin of the digital-to-analog converter 720 is electrically connected to the tenth pin of the single-chip microcomputer 600, the eighth pin and the seventh pin of the digital-to-analog converter 720 are both electrically connected to the MCU switch; the third pin of the digital-to-analog converter 720 is grounded. It should be noted that the digital-to-analog converter 720 is a 16-bit precision ADC digital sampling chip, which is connected to the track gauge sensor to expand the data accuracy to 0.01mm.

[0062] In one possible implementation, Figure 2 Figure 5 As shown, the upper cover 130 is provided with a display screen hole and six button holes, and the display screen hole is arranged correspondingly to the position of the display screen 610 on the PCB board. The six button holes are arranged correspondingly to the six button switches on the PCB board.

[0063] The model of the microcontroller 600 is: ESP32-WROOM-32D-N4; the model of the push button switch is: TS665CL; the model of the display screen is: HS96L03W2C03; the model of the digital-to-analog converter 720 is: ADS1115IDGSR; the model of the linear regulator 710 is: AMS1117.

[0064] The embodiments of the present application have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A track ruler, characterized in that: include: Ruler rod, movable seat, fixed seat, handheld part, level sensor, gauge sensor and housing; The movable seat and the fixed seat are respectively arranged at opposite ends of the ruler rod, and the movable seat and the ruler rod are slidably connected; The track gauge sensor and the handheld part are respectively arranged on two opposite sides of the ruler; The housing and the hand-held part are arranged on the same surface of the ruler; The shell is provided with a cavity with one end opened, and the level sensor is arranged inside the cavity of the shell.

2. The track ruler according to claim 1, characterized in that: The housing is provided with an upper cover; The upper cover matches the opening of the shell, and the upper cover is detachably connected to the shell.

3. The track ruler according to claim 1, characterized in that: Also includes: RFID near-field sensor; The RFID near-field sensor and the shell are respectively arranged on two opposite side surfaces of the ruler rod.

4. The track ruler according to claim 3, characterized in that: Also includes: PCB board; The PCB board is arranged adjacent to the level sensor.

5. The track ruler according to claim 4, characterized in that: The housing comprises: a first placement shell and a second placement shell; The first placement shell is disposed adjacent to the second placement shell; The PCB board is located inside the cavity of the first placement shell, and the level sensor is located inside the cavity of the second placement shell.

6. The track ruler according to claim 5, characterized in that: The PCB board is provided with a single chip microcomputer; The level sensor, the track gauge sensor and the RFID near-field sensor are all electrically connected to the single-chip microcomputer.

7. The track ruler according to claim 6, characterized in that: The second placement shell is provided with a wire hole; The RFID near-field sensor is electrically connected to the single-chip microcomputer through the wire hole.

8. The track ruler according to claim 6, characterized in that: The PCB board is provided with a key switch module; The key switch module is electrically connected to the single chip computer.

9. The track ruler according to claim 6, characterized in that: The PCB board is provided with a display screen; the display screen is electrically connected to the single chip computer.

10. The track ruler according to claim 6, characterized in that: The PCB board is provided with a linear voltage regulator; the linear voltage regulator is electrically connected to the single chip computer.

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