CN112432659A

CN112432659A - Automatic distance measuring machine for sensor

Info

Publication number: CN112432659A
Application number: CN202011177877.XA
Authority: CN
Inventors: 伍成强; 陈国祥
Original assignee: Hunan Zenlink Sensor Co ltd
Current assignee: Hunan Zenlink Sensor Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-03-02

Abstract

The invention discloses an automatic sensor range finder, which comprises a case, wherein the case is provided with a control table and a display table, the display table is positioned at the tail part of the top surface of the control table, the display table and the control table are mutually and vertically arranged, the top part of the display table is provided with a first range finding device and a second range finding device which are arranged in parallel, the first range finding device and the second range finding device are both in sliding connection with the case, a first sensor fixing frame, a first sensor test indicator lamp and a first sensor test key are sequentially arranged behind the first range finding device, a second sensor fixing frame, a second sensor test indicator lamp and a second sensor test key are sequentially arranged behind the second range finding device, a PLC controller is arranged in the case, the whole device is controlled by a PLC and is adjusted by a screw rod adjusting mechanism, automatic example adjustment is carried out, manual participation is reduced, the accuracy of measurement is improved, and the operation is simple, is convenient to use.

Description

Automatic distance measuring machine for sensor

Technical Field

The invention relates to the field of motor transmission, in particular to an automatic distance measuring machine with a sensor.

Background

An ultrasonic sensor is a sensor developed by utilizing the characteristics of ultrasonic waves. The ultrasonic wave is a mechanical wave with vibration frequency higher than that of sound wave, is generated by the vibration of a transduction wafer under the excitation of voltage, and has the characteristics of high frequency, short wavelength, small diffraction phenomenon, good directivity, directional propagation as rays and the like.

During the production of sensor adds man-hour, the sensor that production was accomplished need carry out test function and just can dispatch from the factory, and sensor distancer is exactly the device that is used for carrying out the sensor and carries out distance sensing capability test, and present distancer adopts artifical rotating knob to carry out the distance debugging mostly, and the precision is not high, and the test mode is very loaded down with trivial details.

Disclosure of Invention

The present invention is directed to an automatic distance measuring machine with a sensor, which solves the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

an automatic sensor range finder comprises a case, wherein the case is provided with a console and a display stand, the display stand is positioned at the tail of the top surface of the console, the display stand and the console are arranged perpendicular to each other, the top of the display stand is provided with a first range finding device and a second range finding device which are arranged in parallel, the first range finding device and the second range finding device are both in sliding connection with the case, a first sensor fixing frame, a first sensor testing indicator lamp and a first sensor testing key are sequentially arranged behind the first range finding device, a second sensor fixing frame, a second sensor testing indicator lamp and a second sensor testing key are sequentially arranged behind the second range finding device, a PLC (programmable logic controller) is arranged in the case, lead screw driving mechanisms corresponding to the first range finding device and the second range finding device are respectively arranged below the first range finding device and the second range finding device, each lead screw driving mechanism is provided with a motor connected with the PLC, an alternating current meter and a display are further arranged in, The device comprises an alternating current voltmeter, a direct current ammeter and a direct current voltmeter, wherein the alternating current ammeter, the alternating current voltmeter, the direct current ammeter and the direct current voltmeter are respectively connected with a first distance measuring device and a second distance measuring device.

A DC voltage drop display, a DC power supply voltage display, an AC current display, a load current display and a leakage current display which are connected with the PLC are arranged on the display platform of the case; the display table is also provided with a human-computer interface, a power indicator light and an alarm indicator light, and the human-computer interface is connected with the PLC; the console is also provided with a first sensor power supply and signal output end and a second sensor power supply and signal output end, and the first sensor power supply and signal output end and the second sensor power supply and signal output end are respectively connected with the first sensor fixing frame and the second sensor fixing frame.

As a preferred embodiment of the present invention: the display stand is also provided with an emergency stop key and a stop key, and the emergency stop key and the stop key are both connected with the PLC; the power indicator light, the alarm indicator light, the emergency stop key and the stop key are sequentially distributed from top to bottom.

Compared with the prior art, the invention has the beneficial effects that: this device wholly adopts PLC control and utilizes lead screw adjustment mechanism to adjust, carries out the example automatically and adjusts, reduces artifical the participation, improves the measuring precision, and easy operation, convenient to use.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

In the figure, 1-a case, 2-a first distance measuring device, 3-a second distance measuring device, 4-a DC voltage drop display, 5-a DC power supply voltage display, 6-an AC voltage display, 7-an AC current display, 8-a load current display, 9-a leakage current display, 10-a human-computer interface, 11-a power supply indicator light, 12-an alarm indicator light, 13-an emergency stop key, 14-a stop key, 15-a second sensor power supply and signal output end, 16-a first sensor power supply and signal output end, 17-a second sensor fixing frame, 18-a first sensor fixing frame, 19-a second sensor test indicator light, 20-a second sensor test key, 21-a first sensor test indicator light and 22-a first sensor test key.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1, an automatic distance measuring machine for a sensor comprises a machine case 1, the machine case 1 is provided with a control platform and a display platform, the display platform is arranged at the tail part of the top surface of the control platform, the display platform and the control platform are arranged vertically, the top part of the display platform is provided with a first distance measuring device 2 and a second distance measuring device 3 which are arranged in parallel, the first distance measuring device 2 and the second distance measuring device 3 are both connected with the machine case 1 in a sliding way, a first sensor fixing frame 18, a first sensor testing indicator lamp 21 and a first sensor testing key 22 are sequentially arranged behind the first distance measuring device 2, a second sensor fixing frame 17, a second sensor testing indicator lamp 19 and a second sensor testing key 20 are sequentially arranged behind the second distance measuring device 3, a PLC controller is arranged in the machine case 1, a screw rod transmission mechanism corresponding to the first distance measuring device 2 and the second distance measuring device 3 is respectively arranged below the first distance measuring device 2 and the second distance measuring device 3, the screw rod transmission mechanism is provided, an alternating current ammeter, an alternating current voltmeter, a direct current ammeter and a direct current voltmeter are further arranged in the case 1, and the alternating current ammeter, the alternating current voltmeter, the direct current ammeter and the direct current voltmeter are respectively connected with the first distance measuring device 2 and the second distance measuring device 3; when testing, at first, reference distance 0 point is marked internally, fix the sensor on the sensor mount that corresponds, start corresponding sensor test button, voltmeter and ampere meter detect the voltage and current of being surveyed the sensor, the motor drives screw drive mechanism and carries out work removal range unit, in the removal process, after the sensor detected position signal, range unit stopped moving, the detection distance of this moment, the electrical parameter value compares with the setting value, accomplish the test procedure, if the test result passes, sensor test pilot lamp lights, otherwise, sensor test pilot lamp does not light.

Specifically, a DC voltage drop display 4, a DC power voltage display 5, an AC voltage display 6, an AC current display 7, a load current display 8, and a leakage current display 9 connected to the PLC controller are provided on the display stand of the enclosure 1, and are respectively used for displaying voltage and current signal values sent by the sensors in different states, and facilitating comparison between an operator and a set value, and determining a test result.

Meanwhile, a human-computer interface 10, a power indicator lamp 11 and an alarm indicator lamp 12 are further arranged on the display stand, the human-computer interface 10 is connected with the PLC and used for setting distance parameters of a sensor to be tested at present and switching display parameters, the power indicator lamp 11 is used for providing a state of power supply for connection of an integral circuit in the case 1, and the alarm indicator lamp 12 is used for sending out flashing light to remind a user when a fault occurs.

Furthermore, a first sensor power supply and signal output end 16 and a second sensor power supply and signal output end 15 are further arranged on the console, and the first sensor power supply and signal output end 16 and the second sensor power supply and signal output end 15 are respectively connected with a first sensor fixing frame 18 and a second sensor fixing frame 17 and are used for being connected with an external output device.

Example 2:

on the basis of the embodiment 1, an emergency stop key 13 and a stop key 14 are further arranged on the display stand, the emergency stop key 13 and the stop key 14 are both connected with the PLC controller, the emergency stop key 13 is used for pressing down to disconnect the whole power supply of the case 1 in an emergency state to avoid accidents, and the stop key 14 is used for temporarily stopping the test operation.

Specifically, power indicator 11, warning indicator 12, scram button 13 and stop button 14 distribute from last to down in proper order, conveniently correspond the light condition and carry out concrete control operation.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An automatic sensor distance measuring machine comprises a machine case (1) and is characterized in that the machine case (1) is provided with a control console and a display platform, the display platform is positioned at the tail part of the top surface of the control console, the display platform and the control console are mutually perpendicular, a first distance measuring device (2) and a second distance measuring device (3) which are arranged in parallel are arranged at the top part of the display platform, the first distance measuring device (2) and the second distance measuring device (3) are both in sliding connection with the machine case (1), a first sensor fixing frame (18), a first sensor test indicator lamp (21) and a first sensor test key (22) are sequentially arranged behind the first distance measuring device (2), a second sensor fixing frame (17), a second sensor test indicator lamp (19) and a second sensor test key (20) are sequentially arranged behind the second distance measuring device (3), a PLC controller is arranged in the machine case (1), screw rod transmission mechanisms corresponding to the first distance measuring device (2) and the second distance measuring device (3) are arranged below the first distance measuring device and the second distance measuring device respectively, each screw rod transmission mechanism is provided with a motor connected with a PLC (programmable logic controller), an alternating current meter, an alternating current voltmeter, a direct current ammeter and a direct current voltmeter are further arranged in the case (1), and the alternating current ammeter, the alternating current voltmeter, the direct current ammeter and the direct current voltmeter are respectively two and are respectively connected with the first distance measuring device (2) and the second distance measuring device (3).

2. The automatic sensor distance measuring machine according to claim 1, wherein a DC voltage drop display (4), a DC power voltage display (5), an AC voltage display (6), an AC current display (7), a load current display (8) and a leakage current display (9) connected with the PLC are arranged on the display stand of the case (1).

3. The automatic sensor distance measuring machine according to claim 2, wherein a human-machine interface (10), a power indicator (11) and an alarm indicator (12) are further arranged on the display stand.

4. A sensor machine according to claim 3, characterized in that said human-machine interface (10) is connected to a PLC controller.

5. The automatic sensor distance measuring machine according to claim 1 or 2, wherein the console is further provided with a first sensor power and signal output terminal (16) and a second sensor power and signal output terminal (15), and the first sensor power and signal output terminal (16) and the second sensor power and signal output terminal (15) are respectively connected with the first sensor fixing frame (18) and the second sensor fixing frame (17).

6. The automatic sensor distance measuring machine according to claim 3, wherein the display stand is further provided with an emergency stop button (13) and a stop button (14), and the emergency stop button (13) and the stop button (14) are both connected with the PLC.

7. The automatic distance measuring machine of the sensor according to claim 6, characterized in that the power indicator (11), the alarm indicator (12), the emergency stop button (13) and the stop button (14) are distributed from top to bottom.