Non-contact measuring device and method for oil pipe

Abstract

The invention discloses a non-contact measuring device and method for an oil pipe, and the device comprises a rod-shaped measuring device body, one end of the measuring device body is fixedly connected with a first measuring sensor, and the other end of the measuring device body is fixedly connected with a second measuring sensor. A proximity sensor is arranged between the first measuring sensor and the second measuring sensor, a controller is arranged between the first measuring sensor and the proximity sensor, and the controller is connected with an upper computer in a wireless connection mode. The controller is further wirelessly connected with the proximity sensor, the first measuring sensor and the second measuring sensor. The upper computer is further in wireless connection with the first measuring sensor and the second measuring sensor, and the problem that the efficiency of measuring the length and the pipe diameter of the oil pipe by a worker is low is solved.

Description

Technical Field

[0001] The invention belongs to the technical field of oil pipe measurement, and relates to a non-contact measuring device for an oil pipe, and also relates to a non-contact measuring method for an oil pipe. Background Art

[0002] During the production process of oil fields, oil wells are often repaired, and the measurement of oil pipes is a very important task in the process of oil well operations. In actual work, inaccurate measurement of oil pipes often leads to unsuccessful oil well operations, affecting the normal production of oil wells; the traditional method of measuring oil pipes is to take the oil pipes out of the oil wells and lay them flat on the oil pipe racks, measure them with a manually pulled steel tape measure, and record them. The work process is cumbersome and inefficient, and the error in manual measurement data is large, which makes it difficult to meet the needs of technical personnel in the field for measuring oil pipes. Summary of the invention

[0003] The first object of the present invention is to provide a non-contact measuring device for oil pipes, which solves the problem of measuring the efficiency of the length and diameter of the oil pipes in the prior art.

[0004] A second object of the present invention is to provide a method for non-contact measurement of oil pipes.

[0005] 1. The first technical solution adopted by the present invention is: a non-contact measuring device for oil pipes, including a measuring device body, the measuring device body is rod-shaped, one end of the measuring device body is fixedly connected to a first measuring sensor, the other end of the measuring device body is fixedly connected to a second measuring sensor, a proximity sensor is arranged between the first measuring sensor and the second measuring sensor, a controller is arranged between the first measuring sensor and the proximity sensor, the controller is connected to a host computer by wireless connection; the controller is also wirelessly connected to the proximity sensor, the first measuring sensor, and the second measuring sensor respectively; the host computer is also wirelessly connected to the first measuring sensor and the second measuring sensor respectively.

[0006] The present invention is also characterized in that: the first measuring sensor and the second measuring sensor are any one of a structured light sensor or a TOF sensor; the controller is a programmable logic controller; the proximity sensor is a capacitive proximity sensor or an inductive proximity sensor; the proximity sensor is wirelessly connected to the host computer; and the installation method includes: any one of magnetic attraction, screw connection, and bonding.

[0007] The second technical solution adopted by the present invention is to provide a non-contact measurement method for oil pipes, which is implemented by using the above-mentioned non-contact measurement device for oil pipes in the following steps:

[0008] Step 1: The host computer sends a signal to the controller to activate the controller's switch; the controller sends a power-on command to the proximity sensor;

[0009] Step 2: The proximity sensor detects whether there is oil pipe entering. If so, the proximity sensor sends a signal to the controller, and the controller receives the signal and sends a start-up command to the first measurement sensor and the second measurement sensor; if not, the detection cycle continues;

[0010] Step 3: The first measuring sensor and the second measuring sensor scan the oil pipe and transmit the scanned three-dimensional image to the host computer;

[0011] Step 4: The host computer calculates the scanned three-dimensional image to obtain the oil pipe diameter and length information.

[0012] The beneficial effects of the present invention are:

[0013] The non-contact measuring device and method for oil pipes of the present invention solve the problem that the traditional method of taking the oil pipe out of the oil well and placing it flat on the oil pipe support and measuring it with a manually pulled steel tape measure has a cumbersome work process and low efficiency, thereby improving the work efficiency of those skilled in the art for oil pipe measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of a non-contact measuring device for oil pipes.

[0015] 1. Measuring device body, 2. First measuring sensor, 3. Second measuring sensor, 4. Proximity sensor, 5. Host computer, 6. Controller. DETAILED DESCRIPTION

[0016] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0017] The present invention provides a non-contact measuring device for oil pipes, such as Figure 1 As shown, it includes a measuring device body 1, which is rod-shaped, with a first measuring sensor 2 fixedly connected to one end of the measuring device body 1, and a second measuring sensor 3 fixedly connected to the other end of the measuring device body 1, a proximity sensor 4 is arranged between the first measuring sensor 2 and the second measuring sensor 3, a controller 6 is arranged between the first measuring sensor 2 and the proximity sensor 4, and the controller 6 is connected to a host computer 5 by wireless connection; the controller 6 is also wirelessly connected to the proximity sensor 4, the first measuring sensor 2, and the second measuring sensor 3 respectively; the host computer 5 is also wirelessly connected to the first measuring sensor 2 and the second measuring sensor 3 respectively.

[0018] The controller 6 adopts a programmable logic controller; the instructions for executing logical operations, sequential control, switching, counting and calculation operations are stored in the controller 6, and the non-contact measuring device for the oil pipe is controlled through digital or analog input and output, so as to improve the efficiency of the non-contact measurement of the oil pipe. The proximity sensor 4 is a capacitive proximity sensor or an inductive proximity sensor; so as to more effectively detect whether the oil pipe enters the measurement detection range; and the proximity sensor 4 is wirelessly connected to the host computer 5; the first measurement sensor 2 and the second measurement sensor 3 both adopt any one of a structured light sensor or a TOF sensor; in order to facilitate the operation of the device, before installation and detection, several magnets are installed on the other side of the non-contact measuring device for the oil pipe away from the first measurement sensor 2, the second measurement sensor 3, the proximity sensor 4, and the controller 6, so as to be magnetically attracted to the workbench for further measurement, or the other side of the non-contact measuring device for the oil pipe away from the first measurement sensor 2, the second measurement sensor 3, the proximity sensor 4, and the controller 6 is bolted and bonded, so as to fix the non-contact measuring device for the oil pipe on the workbench for further measurement.

[0019] The present invention also provides a method for non-contact measurement of oil pipes, which is implemented by using the non-contact measurement device for oil pipes as described above, specifically according to the following steps:

[0020] Step 1: The host computer 5 sends a signal to the controller 6 to activate the switch of the controller 6; the controller 6 sends a power-on command to the proximity sensor 4;

[0021] Step 2: The proximity sensor 4 detects whether there is an oil pipe entering. If so, the proximity sensor 4 sends a signal to the controller 6. The controller 6 receives the signal and sends a start-up instruction to the first measurement sensor 2 and the second measurement sensor 3 to measure the oil pipe; if not, the detection cycle continues;

[0022] Step 3: The first measuring sensor 2 and the second measuring sensor 3 scan the oil pipe and transmit the scanned three-dimensional image to the host computer 7;

[0023] Step 4: The host computer 7 calculates the scanned three-dimensional image to obtain the diameter and length information of the oil pipe;

[0024] Step 5: Repeat steps 2 to 4 until the measurement is completed.

[0025] Example 1

[0026] The present invention provides a non-contact measuring device for an oil pipe, comprising a measuring device body 1, the measuring device body 1 is rod-shaped, one end of the measuring device body 1 is fixedly connected to a first measuring sensor 2, the other end of the measuring device body 1 is fixedly connected to a second measuring sensor 3, a proximity sensor 4 is arranged between the first measuring sensor 2 and the second measuring sensor 3, a controller 6 is arranged between the first measuring sensor 2 and the proximity sensor 4, the controller 6 is connected to a host computer 5 by wireless connection; the controller 6 is also wirelessly connected to the proximity sensor 4, the first measuring sensor 2, and the second measuring sensor 3 respectively; the host computer 5 is also wirelessly connected to the first measuring sensor 2 and the second measuring sensor 3 respectively.

[0027] Example 2

[0028] The present invention provides a non-contact measuring device for an oil pipe, comprising a measuring device body 1, the measuring device body 1 is rod-shaped, one end of the measuring device body 1 is fixedly connected to a first measuring sensor 2, the other end of the measuring device body 1 is fixedly connected to a second measuring sensor 3, a proximity sensor 4 is arranged between the first measuring sensor 2 and the second measuring sensor 3, a controller 6 is arranged between the first measuring sensor 2 and the proximity sensor 4, the controller 6 is connected to a host computer 5 by wireless connection; the controller 6 is also wirelessly connected to the proximity sensor 4, the first measuring sensor 2, and the second measuring sensor 3 respectively; the host computer 5 is also wirelessly connected to the first measuring sensor 2 and the second measuring sensor 3 respectively; the first measuring sensor 2 is a structured light sensor or a TOF sensor.

[0029] Example 3

[0030] The present invention provides a non-contact measuring device for an oil pipe, comprising a measuring device body 1, the measuring device body 1 is rod-shaped, one end of the measuring device body 1 is fixedly connected to a first measuring sensor 2, the other end of the measuring device body 1 is fixedly connected to a second measuring sensor 3, a proximity sensor 4 is arranged between the first measuring sensor 2 and the second measuring sensor 3, a controller 6 is arranged between the first measuring sensor 2 and the proximity sensor 4, the controller 6 is connected to a host computer 5 by wireless connection; the controller 6 is also wirelessly connected to the proximity sensor 4, the first measuring sensor 2, and the second measuring sensor 3 respectively; the host computer 5 is also wirelessly connected to the first measuring sensor 2 and the second measuring sensor 3 respectively; the first measuring sensor 2 is a structured light sensor or a TOF sensor; the proximity sensor 4 is a capacitive proximity sensor or an inductive proximity sensor.

[0031] Example 4

[0032] The present invention provides a non-contact measuring device for an oil pipe, comprising a measuring device body 1, the measuring device body 1 is rod-shaped, one end of the measuring device body 1 is fixedly connected to a first measuring sensor 2, the other end of the measuring device body 1 is fixedly connected to a second measuring sensor 3, a proximity sensor 4 is arranged between the first measuring sensor 2 and the second measuring sensor 3, a controller 6 is arranged between the first measuring sensor 2 and the proximity sensor 4, the controller 6 is connected to a host computer 5 by wireless connection; the controller 6 is also wirelessly connected to the proximity sensor 4, the first measuring sensor 2, and the second measuring sensor 3 respectively; the host computer 5 is also wirelessly connected to the first measuring sensor 2 and the second measuring sensor 3 respectively; the first measuring sensor 2 is a structured light sensor or a TOF sensor; the proximity sensor 4 is a capacitive proximity sensor or an inductive proximity sensor; the host computer 5 is wirelessly connected to the proximity sensor 4.

[0033] The present invention provides a non-contact measuring device and method for oil pipes, which have the advantages of high measurement accuracy and simple operation, solving the problem of low efficiency in measuring the length and diameter of oil pipes by traditional manual measurement, improving the measurement method of oil pipes by those skilled in the art, and filling the technical defects of the measurement method of oil pipes in oil well operations by those skilled in the art.

Claims

1. A non-contact measuring device for oil pipes, comprising a measuring device body (1), characterized in that: The measuring device body (1) is rod-shaped, one end of the measuring device body (1) is fixedly connected to a first measuring sensor (2), the other end of the measuring device body (1) is fixedly connected to a second measuring sensor (3), a proximity sensor (4) is arranged between the first measuring sensor (2) and the second measuring sensor (3), a controller (6) is arranged between the first measuring sensor (2) and the proximity sensor (4), the controller (6) is connected to a host computer (5) by wireless connection; the controller (6) is also wirelessly connected to the proximity sensor (4), the first measuring sensor (2), and the second measuring sensor (3); the host computer (5) is also wirelessly connected to the first measuring sensor (2) and the second measuring sensor (3).

2. The non-contact measuring device for oil pipe according to claim 1, characterized in that: The first measurement sensor (2) is a structured light sensor or a TOF sensor.

3. The non-contact measuring device for oil pipe according to claim 1, characterized in that: The controller (6) is a programmable logic controller.

4. The non-contact measuring device for oil pipe according to claim 1, characterized in that: The proximity sensor (4) is a capacitive proximity sensor or an inductive proximity sensor.

5. The non-contact measuring device for oil pipe according to claim 1, characterized in that: The host computer (5) and the proximity sensor (4) are wirelessly connected.

6. The non-contact measuring device for oil pipe according to claim 1, characterized in that: The second measurement sensor (3) is a structured light sensor or a TOF sensor.

7. A non-contact measurement method for oil pipes, characterized in that: The non-contact measuring device for oil pipes according to claim 1 is used, and the specific steps are as follows: Step 1: the host computer (5) sends a signal to the controller (6) to activate the switch of the controller (6); the controller (6) sends a power-on command to the proximity sensor (4); Step 2: the proximity sensor (4) detects whether there is an oil pipe entering, and if so, the proximity sensor (4) sends a signal to the controller (6), and the controller (6) receives the signal and sends a power-on command to the first measuring sensor (2) and the second measuring sensor (3) to measure the oil pipe; if not, the detection cycle continues; Step 3: the first measuring sensor (2) and the second measuring sensor (3) scan the oil pipe and transmit the scanned three-dimensional image to the host computer (7); Step 4: the host computer (7) calculates the scanned three-dimensional image to obtain the diameter and length of the oil pipe; Step 5: repeat steps 2 to 4 until the measurement is completed.

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