Mining stroke sensor detection platform

Abstract

The utility model discloses a mining stroke sensor detection platform, relates to the sensor detection technology field, and comprises a PLC controller, a telescoping control unit and a joint positioning mechanism, the PLC controller is provided with a control screen and a controller knob portion, a plurality of sensor joints are vertically arranged in a joint cavity at a side portion of the PLC controller, and the sensor joints are connected with the controller knob portion. According to the technical scheme of the utility model, the PLC, the telescopic control unit and the plurality of different sensor interfaces are arranged, and the display screen is adjusted, so that different types of magnetostrictive displacement sensors in the market can be integrated into one device for testing. The signal detection of different types of magnetostrictive sensors of multiple manufacturers can be compatible, multiple purposes can be achieved through one machine, output signals are all stroke digital signals, identification is unified and reliable, and identification is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of sensor detection, and in particular relates to a mining travel sensor detection platform. Background Art

[0002] At present, in coal mining, the stroke sensor is an important element for the position detection of the hydraulic support electro-hydraulic control system. The hydraulic support electro-hydraulic control system can control the travel distance of the mining surface to ensure the mining efficiency of the coal mine. During use, the stroke sensor needs to be tested to determine whether the stroke sensor is qualified. The stroke sensor detection device is particularly important as a device to measure whether the stroke sensor is qualified. The patent authorization number is CN214702326U, which discloses a portable sensor detection device that integrates the PCB circuit board and the lithium battery in a storage space, making the detection device easy to carry and move, meeting various on-site sensor testing needs, and directly reading the test data through buttons and control screens, which is convenient and fast. At present, the output signals of hydraulic stroke sensor detection devices on the market are mostly voltage signals, but the maximum voltage signal values ​​of sensors produced by different manufacturers are not uniform. Each manufacturer has its own standards. Only professional technicians can identify detection errors. In addition, the output line sequence of sensors from different manufacturers is inconsistent and there are also multiple output line connectors. As a result, the connectors of the sensor detection instrument can only be connected to specific types of sensors, and cannot detect the same type of sensors from different manufacturers, and cannot achieve multiple uses of one machine. Some sensor detection instruments that provide multiple different interfaces are exposed to the outside, which easily leads to dust entering the interface. In addition, the setting of multiple interfaces is not convenient for detection personnel to accurately select the interface that is compatible with the sensor to be tested and quickly complete the plug-in, resulting in reduced detection efficiency. Utility Model Content

[0003] In view of the problems existing in the prior art, the utility model provides a mining travel sensor detection platform, which integrates multiple different sensor connectors to realize the detection of sensors with different interfaces on one device, and converts the voltage model signal into a digital signal through the logical operation of the PLC program. The output information is displayed on the control screen in a simple and clear digital form, and the displayed information is simple and easy to judge.

[0004] The utility model solves the technical problem by adopting the following scheme: a mining travel sensor detection platform, including a PLC controller, a telescopic control unit and a joint positioning mechanism, wherein the PLC controller is provided with a control screen and a controller knob portion, a plurality of sensor joints are arranged vertically in a joint cavity on the side of the PLC controller, and the sensor joints are horizontally connected in the joint cavity through a reset member; the telescopic control unit includes a circuit board arranged inside the PLC controller, a contact sensor corresponding to the position of each sensor joint is arranged on the circuit board, and a plurality of contact sensors corresponding to each contact sensor are arranged on the PLC controller A connector button is provided with a contact, an electromagnet electrically connected to each sensor connector is provided in the connector cavity, an iron plate corresponding to the electromagnet is fixed on the inner side of the sensor connector; the connector positioning mechanism comprises an outer frame arranged on the side of the PLC controller, a motor is installed in the outer frame, a screw is vertically connected to the output end of the motor, a test line connector fixing piece is vertically slidably sleeved in the outer frame, and the side of the test line connector fixing piece is connected to the threaded sleeve of the threaded sleeve on the screw, a positioner is installed at a position corresponding to each sensor connector on the PLC controller, and a receiver matching the positioner is installed on the test line connector fixing piece.

[0005] Furthermore, the test line connector fixing member is symmetrically provided with spring pieces for clamping and fixing the test line connector.

[0006] Furthermore, the reset element includes a spring laterally connected between the iron plate and the electromagnet.

[0007] Furthermore, a slide groove is transversely provided on the inner wall of the joint cavity, a slider matching the slide groove is provided on the side of the iron plate, and the sensor joint is slidably sleeved in the joint cavity through the cooperation of the slider and the slide groove.

[0008] Furthermore, the PLC controller is provided with a reset button for controlling the resetting of the connector button, and the PLC controller is provided with an emergency stop button.

[0009] Furthermore, the control screen is provided with columns for sensor start voltage, sensor end voltage, sensor input stroke, sensor output voltage, sensor output stroke and sensor brand data.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model is provided with a PLC controller, a telescopic control unit and a plurality of different sensor interfaces, and by adjusting the display screen, different types of magnetostrictive displacement sensors on the market can be integrated into one device for testing, and can be compatible with the signal detection of magnetostrictive sensors of different interface types from multiple manufacturers, and can realize multi-purpose use of one machine, and the output signals are all a kind of stroke digital signal, and the identification is unified and reliable, and it is easy to identify, and through the cooperation of the joint positioning mechanism, the telescopic control unit and the sensor joint, when it is necessary to detect a sensor of a specific brand, the detection personnel can fix the test line joint on the test line joint fixing part, and by pressing the corresponding joint button, the test line joint is driven to move to the position of the corresponding sensor joint under the cooperation of the screw and the screw sleeve, and then the corresponding electromagnet is energized, and the repulsive force generated between the electromagnet and the iron plate pushes the corresponding sensor joint to extend and accurately dock with the test line joint, so that the suitable sensor joint can be directly selected according to different sensor brands and the joint docking is automatically completed, thereby improving the detection efficiency;

[0012] Through the PLC controller, the voltage model signal can be converted into a digital signal through the PLC program logic operation during detection, and the detection information can be effectively displayed on the control screen. The output information is displayed on the control screen in a simple and clear digital form, so as to achieve a simple visualization purpose. The displayed information is simple and easy to judge, and non-professionals can also identify whether the detection data is accurate. The digital stroke signal detection has high accuracy and is easy to check, which is convenient for operators to intuitively identify whether there is any abnormality in the sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 It is a partial front view cross-sectional structural schematic diagram of the utility model;

[0015] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0016] Figure 4 This is a schematic diagram of the three-dimensional structure of the connector button of the utility model;

[0017] Figure 5 This is a schematic diagram of the control screen operation interface of the utility model;

[0018] Figure 6 It is a schematic diagram of the three-dimensional structure of the test line connector fixing piece of the utility model.

[0019] In the figure: 1. PLC controller; 2. Control panel; 21. Sensing start voltage; 22. Sensor end voltage; 23. Sensor input stroke; 24. Sensor output voltage; 25. Sensor output stroke; 26. Sensor brand; 3. Controller knob; 4. Sensor connector; 5. Telescopic control unit; 51. Circuit board; 52. Contact sensor; 53. Electromagnet; 54. Iron plate; 55. Spring; 56. Slide; 57. Slider; 6. Connector button; 7. Contact; 8. Reset button; 9. Connector positioning mechanism; 91. Outer frame; 92. Motor; 93. Screw; 94. Screw sleeve; 95. Test line connector fixing piece; 96. Shrapnel; 97. Guide block; 98. Positioner; 99. Receiver; 10. Dust cover; 11. Connector cavity; 12. Power connector. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] See also Figure 1-6 The utility model provides a technical solution for a mining travel sensor detection platform: Example

[0022] according to Figure 1 and Figure 2 As shown, a joint cavity 11 is provided on the right side of the PLC controller 1, and a sensor joint 4 is transversely connected to the joint cavity 11 through a reset member, and a slide groove 56 is transversely provided on the inner wall of the joint cavity 11, an iron plate 54 is fixed to the inner side of the sensor joint 4, and a slider 57 matching the slide groove 56 is provided on the side of the iron plate 54, and the sensor joint 4 is transversely slidably sleeved in the joint cavity 11 through the cooperation of the slider 57 and the slide groove 56, as shown in FIG. Figure 2 and Figure 3 As shown, a telescopic control unit 5 is provided in the joint cavity 11, including a circuit board 51 provided in the joint cavity 11 of the PLC controller 1, a contact sensor 52 corresponding to the position of the sensor joint 4 is installed on the circuit board 51, and a joint button 6 is mounted on the PLC controller 1, and the number and position of the joint button 6 correspond to the number and position of the contact sensor 52, as shown in FIG. Figure 4As shown, a contact 7 is provided on the connector button 6, an electromagnet 53 electrically connected to the sensor connector 4 is installed in the connector cavity 11, and the position of the electromagnet 53 corresponds to the position of the iron plate 54 on the sensor connector 4. The reset member can be a variety of structures with a reset function, such as an insulating spring 55 horizontally connected between the iron plate 54 and the electromagnet 53. Pressing the connector button 6 downward can make the contact 7 contact with the contact sensor 52, and the corresponding electromagnet 53 is energized. The electromagnet 53 is energized to generate a magnetic force that can repel the iron plate 54, push the iron plate 54 and the sensor connector 4 to move to the right, and make the corresponding sensor connector 4 extend from the connector cavity 11, so that the detection personnel can connect the sensor to be tested on the sensor connector. The PLC controller 1 is provided with a power connector 12;

[0023] like Figure 2 and Figure 5 As shown, the PLC controller 1 is provided with a control screen 2 and a controller knob part 3. The control screen 2 is provided with multiple data columns such as a sensor start voltage 21, a sensor end voltage 22, a sensor input stroke 23, a sensor output voltage 24 and a sensor output stroke 25. The controller knob part 3 includes multiple knob switches such as a power switch, a reset switch, and automatic / manual adjustment. The PLC controller 1 can detect whether the stroke sensor is qualified. The voltage model signal is converted into a digital signal through the logical operation of the PLC program. At the same time, the detection information is effectively displayed on the control screen. The output information is displayed on the control screen in a simple and clear digital form, and the detection accuracy can be improved through the internal operation of the PLC. The PLC controller 1 is provided with a reset button 8 for resetting the control connector button 6. The PLC controller 1 is also provided with an emergency stop button. When an error or failure occurs during the detection process, the emergency stop button can be used to directly control the PLC controller to power off and stop operation.

[0024] In specific use, the utility model is a mining stroke sensor detection platform. When the PLC controller is not in working state, the electromagnet 53 is not energized. Under the action of the reset member, the sensor connector 4 is shielded and stored in the connector cavity 11, which can prevent the connector from being exposed to the outside world and being damaged or contaminated by dust. When it is necessary to extend the sensor connector 4 to connect the sensor to be tested, first connect the power connector 12 through the power cord to power on the PLC controller 1, and then press the connector button 6 downward to make the contact 7 contact with the contact sensor 52. After receiving the contact signal, the contact sensor 52 energizes the corresponding electromagnet 53. The electromagnet 53 energizes to generate a repulsive force on the iron plate 54, pushing the iron plate 54 and the sensor connector 4 to move to the right, so that the corresponding sensor connector 4 It extends out from the connector cavity 11, and then the inspector connects the sensor connector 4 and the sensor to be tested through the test line, and inputs the voltage signal in the starting voltage and ending voltage columns of the PLC controller control screen 2, and inputs the range to be tested in the sensor input stroke 23 column, and then moves the stroke sensor. The movement path and voltage change of the sensor are displayed in the sensor output stroke 25 and output voltage columns. The inspector determines whether the sensor is qualified according to the output stroke and output voltage of the sensor. When the inspection is completed, the corresponding connector button 6 is reset by controlling the reset button 8 to separate the contact sensor 52 from the contact 7, and the electromagnet 53 is powered off. With the cooperation of the pulling force of the spring 55, the sensor connector 4 is driven to move to the left and re-enter the connector cavity 11 to reset. Example

[0025] On the basis of the first embodiment, Figure 2 and Figure 5 As shown, a sensor brand 26 data column is provided on the right side of the control panel 2, which displays the names of four different sensor brands or manufacturers, A, B, C, and D, corresponding to different sensor brands, and a plurality of connector buttons 6 are provided on the PLC controller 1, which correspond to four different brands, A, B, C, and D, respectively, and each connector button 6 corresponds to a sensor connector of a different brand. By integrating multiple brands of sensor connectors on the PLC controller 1 at the same time, when it is necessary to detect the stroke sensor of the corresponding brand, the corresponding sensor connector can be extended by pressing the corresponding connector button 6, so that the detection personnel can directly connect the corresponding sensor to the adapted sensor connector. By using a plurality of different sensor interfaces and a plurality of sensor detection lines, the magnetostrictive displacement sensors with different interface types on the market can be integrated into one device for testing by adjusting the control panel, and the output signals are all a kind of stroke digital signal, and the recognition is unified and reliable. Example

[0026] Based on the first embodiment, the same points as the first embodiment will not be repeated here, and the differences are as follows: Figure 1 , Figure 2 and Figure 6 As shown, a connector positioning mechanism 9 is provided on the side of the PLC controller 1, including an outer frame 91 provided on the side of the PLC controller 1, a motor 92 is installed in the outer frame 91, a screw 93 is vertically connected to the output end of the motor 92, a screw sleeve 94 is threadedly sleeved on the screw 93, and a test line connector fixing member 95 is connected to the side of the screw sleeve 94, and a spring piece 96 for clamping and fixing the test line connector is symmetrically provided in the test line connector fixing member 95, and a guide groove is opened on the left inner wall of the outer frame 91, and the test line connector fixing member 95 A guide block 97 matching the guide groove is provided on the left side, and the test line connector is vertically slidably inserted into the guide groove through the guide block. A positioner 98 corresponding to the position of each sensor connector 4 is installed on the PLC controller 1, and a receiver 99 matching the positioner 98 is installed on the test line connector fixing part 95. The contact sensor 52 on the connector button 6 has a delay function, so that the contact sensor 52 operates to transmit signals after the positioner 98 and the receiver 99 respond. A dust cover 10 is provided on the side of the outer frame 91.

[0027] During specific use, the utility model provides a mining stroke sensor detection platform. When the sensor to be tested is connected to the PLC controller through the test line, the detection personnel first fix the connector of the adapted test line on the test line connector fixing piece 95, and then press the connector button 6 of the corresponding brand sensor. When the contact sensor 52 is triggered, the positioner 98 at the corresponding connector position will be energized to generate a signal, and the motor 92 will operate to drive the screw 93 to rotate. With the cooperation of the screw 93 and the screw sleeve 94, the test line connector fixing piece 95 will be driven to move upward. When the receiver 99 is aligned with the position of the positioner 98, the test line connector just corresponds to the adapted sensor connector 4, the motor 92 stops operating, and then the contact sensor 52 transmits a signal to the circuit board 51 after a delay to energize the corresponding electromagnet 53. The instantaneous repulsive force generated between the electromagnet 53 and the iron plate 54 will push the corresponding sensor connector 4 to move outward quickly and insert it into the test line connector, automatically completing the connection between the test line and the PLC controller.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A mining travel sensor detection platform, characterized in that: The invention comprises a PLC controller, a telescopic control unit and a joint positioning mechanism, wherein the PLC controller is provided with a control screen and a controller knob part, a plurality of sensor joints are arranged vertically in a joint cavity on the side of the PLC controller, and the sensor joints are horizontally connected in the joint cavity through a reset member; the telescopic control unit comprises a circuit board arranged inside the PLC controller, a contact sensor corresponding to the position of each sensor joint is arranged on the circuit board, a plurality of joint buttons corresponding to each contact sensor are arranged on the PLC controller, and contacts are arranged on the joint buttons, an electromagnet electrically connected to each sensor joint is arranged in the joint cavity, and an iron plate corresponding to the electromagnet is fixed on the inner side of the sensor joint; the joint positioning mechanism comprises an outer frame arranged on the side of the PLC controller, a motor is installed in the outer frame, a screw is vertically connected to the output end of the motor, a test line joint fixing piece is vertically slidably sleeved in the outer frame, and the side of the test line joint fixing piece is connected to a screw sleeve threadedly sleeved on the screw, a positioner is installed at a position corresponding to each sensor joint on the PLC controller, and a receiver matching the positioner is installed on the test line joint fixing piece.

2. A mining travel sensor detection platform according to claim 1, characterized in that: The test line connector fixing piece is symmetrically provided with spring pieces for clamping and fixing the test line connector.

3. A mining travel sensor detection platform according to claim 1, characterized in that: The reset element comprises a spring which is laterally connected between the iron plate and the electromagnet.

4. A mining travel sensor detection platform according to claim 1, characterized in that: The inner wall of the joint cavity is transversely provided with a slide groove, and the side of the iron plate is provided with a slider matching the slide groove. The sensor joint is slidably sleeved in the joint cavity through the cooperation of the slider and the slide groove.

5. The mining travel sensor detection platform according to claim 1, characterized in that: The PLC controller is provided with a reset button for controlling the resetting of the joint button, and the PLC controller is provided with an emergency stop button.

6. A mining travel sensor detection platform according to claim 1, characterized in that: The control screen is provided with sensor start voltage, sensor end voltage, sensor input stroke, sensor output voltage, sensor output stroke and sensor brand data columns.

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