CN211786153U

CN211786153U - Pipeline detection equipment

Info

Publication number: CN211786153U
Application number: CN202020765482.0U
Authority: CN
Inventors: 肖顺; 黄志晔; 郑启炳
Original assignee: Guangzhou Tianchi Survey Technology Co ltd
Current assignee: Guangzhou Tianchi Survey Technology Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-10-27
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses an underground pipeline detection equipment, including probe and handheld display device, handheld display device includes liquid crystal display, key panel, switch and second transmission joint, probe includes electromagnetic detection subassembly and gauss detection subassembly, one side outer wall of probe is provided with first transmission joint, and first transmission joint passes through cable electric connection with the second transmission joint, the gauss detection subassembly includes gauss signal processing circuit and gauss sensor, the equal fixed mounting of gauss signal processing circuit and gauss sensor is on probe's inner wall. The utility model discloses an use electromagnetic sensor and gauss sensor, can realize using electromagnetism detection technique method and ferromagnetic detection technique method to survey underground target pipeline simultaneously for the detection means is selectable, has also increased the precision of surveying to a certain extent, has also increased the flexibility of device.

Description

Pipeline detection equipment

Technical Field

The utility model relates to a subway magnetism material pipeline positioning device technical field especially relates to a pipeline detection equipment.

Background

At present, there are two main detection means for underground pipelines (hereinafter referred to as target pipelines) made of ferromagnetic materials in the market, one is to detect through the principle of electromagnetic induction, load an electric signal through a contact point of a pipeline exposed out of the ground, and then detect the intensity of an electromagnetic wave signal generated by the electric signal on the ground within a certain distance so as to obtain the position of the target pipeline; the other method is to detect by the principle of ferromagnetic induction, approach the device to the target pipeline, and measure the magnetic field intensity around the target pipeline by a gaussmeter in the device, so as to obtain the position of the target pipeline.

However, both types of devices have their limitations: 1. electromagnetic induction type detection equipment is used on the ground, the detection depth is insufficient, a target pipeline with the depth exceeding five meters obtains weaker signals, and even no detection signal exists; 2. by using electromagnetic induction detection equipment, a target pipeline is required to be provided with an exposed terminal on the ground for loading signals, the effective detection distance of electromagnetic signals transmitted on pipelines is generally within 1500 meters, and the terminals of some pipelines are not exposed in the effective distance, so that the technical method cannot be completely suitable for all target pipelines; 3. although the device utilizing ferromagnetic induction does not need to load signals, the magnetism of the target pipeline in the natural environment is weak and the magnetic flux is too small, the effective detection range of the device is only 1.5 meters, the maximum of partial target pipelines reaches 3 meters, and the burial depth of most target pipelines exceeds the range.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing underground pipeline detecting equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an underground pipeline detection equipment, includes probe and handheld display device, handheld display device includes liquid crystal display, key panel, switch and second transmission joint, probe includes electromagnetic detection subassembly and gauss detection subassembly, one side outer wall of probe is provided with first transmission joint, and first transmission joint passes through cable electric connection with second transmission joint.

As a further aspect of the present invention: the Gaussian detection assembly comprises a Gaussian signal processing circuit and a Gaussian sensor, the Gaussian signal processing circuit and the Gaussian sensor are both fixedly mounted on the inner wall of the detection probe and are electrically connected, a first welding head is arranged on the outer wall of the Gaussian signal processing circuit, a magnetometer circuit is fixedly mounted on the inner wall of the detection probe, a third welding head is arranged on the outer wall of the magnetometer circuit, and the first welding head and the third welding head are electrically connected through an electric lead.

As a further aspect of the present invention: the electromagnetic detection assembly comprises an electromagnetic sensor and an electromagnetic signal processing circuit, the electromagnetic sensor and the electromagnetic signal processing circuit are both fixedly mounted on the inner wall of the detection probe, a second welding head is arranged on the outer wall of the electromagnetic signal processing circuit, and the electromagnetic sensor is electrically connected with the second welding head through an electric lead.

As a further aspect of the present invention: the inner wall of the probe is fixedly provided with a first main control processor circuit, and the second welding head, the third welding head and the first transmission joint are all electrically connected with the first main control processor circuit.

As a further aspect of the present invention: and a pressing assisting conical head is fixedly arranged on the outer wall of one side of the probe.

As a further aspect of the present invention: liquid crystal display, key panel, switch all set up on one side outer wall of handheld display device, and the second transmission connects and sets up on handheld display device's bottom outer wall, handheld display device's inside still is provided with second transmission and connects, power, second master control treater circuit and memory circuit, liquid crystal display, key panel, switch and memory circuit all with second master control treater circuit electric connection, power and switch electric connection.

As a further aspect of the present invention: and a signal blocking sheet is fixedly arranged on the outer wall of the detection probe between the Gaussian signal processing circuit and the electromagnetic sensor.

Compared with the prior art, the utility model provides an underground pipeline surveys equipment possesses following beneficial effect:

1. according to the underground pipeline detection equipment, the electromagnetic sensor and the Gaussian sensor are used, so that the underground target pipeline can be detected by using the electromagnetic detection technical method and the ferromagnetic detection technical method at the same time, the detection means can be selected, the detection precision is increased to a certain degree, and the flexibility of the device is also increased.

2. This pipeline detection equipment can completely cut off the mutual interference of electromagnetic sensor and gauss sensor during operation through being provided with signal separation piece, and signal separation piece self can not produce the interference to two sensors yet, guarantees the data accuracy nature of independent work separately.

3. This pipeline detection equipment pushes down helping hand conical head and as probe's top, can directly use static depressor, only through operation personnel's arm power, can impress probe underground to can surpass five meters target pipeline to the buried depth and survey the operation, increased the portability of using.

4. This pipeline detection equipment is through being provided with magnetometer, and magnetometer can audio-visual demonstration geomagnetic field position, and the interference of geomagnetic field to gauss sensor is got rid of in the help, has further improved the accuracy nature of device detection data.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, convenient operation.

Drawings

Fig. 1 is a schematic structural view of an underground pipeline detecting apparatus provided by the present invention;

fig. 2 is an electrical relationship diagram of an underground pipeline detecting device according to the present invention;

in the figure: the device comprises a detection probe 1, a first welding head 2a, a second welding head 2b, a third welding head 2c, a Gaussian signal processing circuit 3, a Gaussian sensor 4, a downward-pressing power-assisted cone head 5, a signal blocking sheet 6, an electric lead 7, an electromagnetic sensor 8, an electromagnetic signal processing circuit 9, a magnetometer circuit 10, a first main control processor circuit 11, a first transmission joint 12, a handheld display device 13, a liquid crystal display 14, a key panel 15, a power switch 16, a second transmission joint 17, a power supply 18, a second main control processor circuit 19, a storage circuit 20 and a cable 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like 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, and 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 therefore, should not be construed as limiting the present invention.

In order to improve the detection reliability, as shown in fig. 1, the underground pipeline detection device comprises a detection probe 1 and a handheld display device 13, wherein the handheld display device 13 comprises a liquid crystal display 14, a key panel 15, a power switch 16 and a second transmission connector 17, the detection probe 1 comprises an electromagnetic detection component and a gaussian detection component, a first transmission connector 12 is arranged on the outer wall of one side of the detection probe 1, and the first transmission connector 12 is electrically connected with the second transmission connector 17 through a cable 21; electromagnetic component and gaussian detection subassembly all can accomplish the detection to the target pipeline, and the signal after the detection can be transmitted to handheld display device 13 through cable 21 through second transmission joint 17 again through first transmission joint 12 on, then show and store through handheld display device 13, compares traditional detection mode, and this equipment is through using electromagnetic detection and gaussian detection, can realize using electromagnetic detection technical method and ferromagnetic detection technical method to detect underground target pipeline simultaneously, has increased the reliability of detecting.

For gaussian detection, as shown in fig. 1, the gaussian detection assembly includes a gaussian signal processing circuit 3 and a gaussian sensor 4, the gaussian signal processing circuit 3 and the gaussian sensor 4 are both fixedly mounted on an inner wall of a detection probe 1, the gaussian signal processing circuit 3 is electrically connected with the gaussian sensor 4, a first welding head 2a is arranged on an outer wall of the gaussian signal processing circuit 3, a magnetometer circuit 10 is fixedly mounted on the inner wall of the detection probe 1, a third welding head 2c is arranged on an outer wall of the magnetometer circuit 10, and the first welding head 2a is electrically connected with the third welding head 2c through an electrical lead 7; the gaussian sensor 4 can detect the target line and then transmit the detected data to the gaussian signal processing circuit 3, and the gaussian signal processing circuit 3 is in data communication with the magnetometer circuit 10 through the electrical connection of the first bonding head 2a and the third bonding head 2 c.

For electromagnetic detection, as shown in fig. 1, the electromagnetic detection assembly includes an electromagnetic sensor 8 and an electromagnetic signal processing circuit 9, the electromagnetic sensor 8 and the electromagnetic signal processing circuit 9 are both fixedly mounted on the inner wall of the detection probe 1, a second welding head 2b is arranged on the outer wall of the electromagnetic signal processing circuit 9, and the electromagnetic sensor 8 is electrically connected with the second welding head 2b through an electrical conductor 7; the combination of the electromagnetic sensor 8 and the electromagnetic signal processing circuit 9 can electromagnetically detect the target pipeline and transmit the data to the electromagnetic signal processing circuit 9.

For signal processing, as shown in fig. 1, a first main control processor circuit 11 is fixedly installed on the inner wall of the probe 1, and the second welding head 2b, the third welding head 2c and the first transmission joint 12 are all electrically connected with the first main control processor circuit 11; the data of the gaussian sensor 4, the electromagnetic sensor 8 and the magnetometer circuit 10 are all transmitted to the first main control processor circuit 11, then transmitted to the first transmission joint 12, and then transmitted to the handheld display device 13 through the first transmission joint 12, the cable 21 and the second transmission joint 17.

For deep detection, as shown in fig. 1, a downward-pressing boosting conical head 5 is fixedly installed on the outer wall of one side of the detection probe 1; the arrangement of the pressing assisting conical head 5 can make the detection probe 1 inserted into the ground more portable.

In order to analyze, process and display the detection data, as shown in fig. 1 and 2, the liquid crystal display 14, the key panel 15 and the power switch 16 are all disposed on an outer wall of one side of the handheld display device 13, the second transmission connector 17 is disposed on an outer wall of a bottom of the handheld display device 13, the handheld display device 13 is further provided inside with the second transmission connector 17, the power supply 18, the second main control processor circuit 19 and the storage circuit 20, the liquid crystal display 14, the key panel 15, the power switch 16 and the storage circuit 20 are all electrically connected to the second main control processor circuit 19, and the power supply 18 is electrically connected to the power switch 16; the power supply 18 can provide power for the whole device, the whole device can be powered on and powered off through the power switch 16, the detection signal is transmitted to the second main control processor circuit 19 through the second transmission connector 17, the second main control processor circuit 19 processes and analyzes the signal and stores the signal through the storage circuit 20, and related data can be displayed through the liquid crystal display screen 14 by controlling the key panel 15.

In order that the electromagnetic detection component and the gaussian detection component do not interfere with each other, as shown in fig. 1, a signal blocking sheet 6 is fixedly installed on the outer wall of the detection probe 1, which is located between the gaussian signal processing circuit 3 and the electromagnetic sensor 8; the signal blocking sheet 6 can ensure that no signal interference exists between the electromagnetic detection component and the Gaussian detection component, and the detection reliability is ensured.

The working principle is as follows: during ground detection, firstly, the condition of a target pipeline is probed, whether an electromagnetic detection technology or a ferromagnetic detection technology is used or both the electromagnetic detection technology and the ferromagnetic detection technology are used is determined, the preparation work of detection operation is made, then the device is powered on through a power switch, at the moment, the electromagnetic sensor 8 and the Gaussian sensor 4 are started, data of the Gaussian sensor 4, the electromagnetic sensor 8 and the magnetometer circuit 10 are all transmitted to the first main control processor circuit 11 in a centralized manner, then the data are transmitted to the first transmission connector 12, the data are transmitted to the handheld display device 13 through the first transmission connector 12 and the cable 21, and then the data are transmitted to the handheld display device 13 through the second transmission connector 17, and the detection probe 1 is scanned and detected at the approximate position of the target pipeline until the detected signal value is displayed on the handheld display device 13; continuously moving the detection probe to the position with larger signal value until the position with the maximum signal value is detected, wherein the position is the position of the target pipeline; during underground detection, a position is randomly found within the effective range of a target pipeline, the probe 1 is provided with a static depressor, and then an operator presses the probe 1 underground; observing a data display result of the handheld display device in the process of continuously pressing down the probe 1; and obtaining the buried depth position of the target pipeline until the value of the display signal is the maximum value.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an underground pipeline detection equipment, includes probe (1) and handheld display device (13), its characterized in that, handheld display device (13) include liquid crystal display (14), key panel (15), switch (16) and second transmission joint (17), probe (1) are including electromagnetic detection subassembly and gauss detection subassembly, one side outer wall of probe (1) is provided with first transmission joint (12), and first transmission joint (12) pass through cable (21) electric connection with second transmission joint (17).

2. The underground pipeline detecting equipment according to claim 1, wherein the Gaussian detecting component comprises a Gaussian signal processing circuit (3) and a Gaussian sensor (4), the Gaussian signal processing circuit (3) and the Gaussian sensor (4) are both fixedly mounted on the inner wall of the detecting probe (1), the Gaussian signal processing circuit (3) is electrically connected with the Gaussian sensor (4), a first welding head (2 a) is arranged on the outer wall of the Gaussian signal processing circuit (3), a magnetometer circuit (10) is fixedly mounted on the inner wall of the detecting probe (1), a third welding head (2 c) is arranged on the outer wall of the magnetometer circuit (10), and the first welding head (2 a) and the third welding head (2 c) are electrically connected through an electric lead (7).

3. The underground pipeline detecting device according to claim 1, wherein the electromagnetic detecting assembly comprises an electromagnetic sensor (8) and an electromagnetic signal processing circuit (9), the electromagnetic sensor (8) and the electromagnetic signal processing circuit (9) are both fixedly mounted on an inner wall of the detecting probe (1), a second welding head (2 b) is arranged on an outer wall of the electromagnetic signal processing circuit (9), and the electromagnetic sensor (8) is electrically connected with the second welding head (2 b) through an electrical lead (7).

4. The underground pipeline detecting device according to claim 1, wherein a first main processor circuit (11) is fixedly mounted on an inner wall of the detecting probe (1), and the second welding head (2 b), the third welding head (2 c) and the first transmission joint (12) are electrically connected with the first main processor circuit (11).

5. The underground pipeline detecting equipment according to claim 1, wherein a pressing assisting conical head (5) is fixedly mounted on the outer wall of one side of the detecting probe (1).

6. The underground pipeline detecting device according to claim 1, wherein the liquid crystal display (14), the key panel (15) and the power switch (16) are all disposed on an outer wall of one side of the handheld display device (13), the second transmission connector (17) is disposed on an outer wall of a bottom of the handheld display device (13), the handheld display device (13) is further provided with the second transmission connector (17), the power supply (18), the second main control processor circuit (19) and the storage circuit (20) inside, the liquid crystal display (14), the key panel (15), the power switch (16) and the storage circuit (20) are all electrically connected with the second main control processor circuit (19), and the power supply (18) is electrically connected with the power switch (16).

7. The underground pipeline detecting device according to claim 1, wherein a signal blocking sheet (6) is fixedly mounted on the outer wall of the detecting probe (1) between the Gaussian signal processing circuit (3) and the electromagnetic sensor (8).