CN213456753U - Heat supply direct-buried pipeline ground electric field and pipeline electrical inspection data comprehensive detection equipment - Google Patents
Heat supply direct-buried pipeline ground electric field and pipeline electrical inspection data comprehensive detection equipment Download PDFInfo
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- CN213456753U CN213456753U CN202022422539.XU CN202022422539U CN213456753U CN 213456753 U CN213456753 U CN 213456753U CN 202022422539 U CN202022422539 U CN 202022422539U CN 213456753 U CN213456753 U CN 213456753U
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Abstract
The utility model discloses a heat supply direct-buried pipeline ground electric field and pipeline electricity examine data comprehensive testing equipment, including a detection car, the detection car has four metal wheels as earth-contacting electrode through the wheel carrier, four the metal wheel falls into two sets ofly, and two front and back metal wheel symmetries form a set ofly, and two left and right metal wheel symmetries form a set ofly, and the axis of four metal wheels is parallel, and the axle center connecting wire of two left and right metal wheels separates with the axis of two front and back metal wheels apart from equal distance, connects four the other end of the wheel carrier of metal wheel is connected fixedly with four faces of detection machine case, and a set of wheel carrier of relative arrangement is fixed with two handrail of relative arrangement of detection car; one of the metal wheels is provided with a position encoder. The utility model discloses a continuous movement detects, and can be correlated with position encoder's information, has guaranteed the accuracy of the information of gathering.
Description
Technical Field
The utility model relates to a detect technical field, especially relate to a heat supply direct-burried pipeline ground electric field and pipeline electrical inspection data comprehensive testing equipment.
Background
The pipeline detector is used for carrying out safety assessment on a pipeline body, and is the most main and most effective means for pipeline detection at present. At present, the pipeline detection device is generally realized by adopting the following means that a transmitter electrode cable is loaded at the exposed metal position of a pipeline valve and the like, and a ground pin and a ground wire are arranged at the position which is 15 meters larger than a vertical pipeline and are connected with the transmitter electrode cable. The transmitter loads alternating current or direct current with specific frequency such as 512Hz below 36V safety voltage on the pipeline, and the current with specific frequency is propagated to two sides along the pipeline by the potential difference of the pipeline ground. The electric current propagates in the pipeline and can spill over at pipeline outer anticorrosive coating defect position, forms the electric field in perpendicular top ground, and the electrode that contacts to the earth through check out test set can produce the induced potential difference between each electrode when passing through this electric field, carries out continuous collection through the induced electromotive force of electrode to the ground electric field that contacts to the earth, and the data lower computer is handled the back wireless transmission and is handled for the host computer, forms the continuous electric field formation of image that causes of pipeline outer anticorrosive coating defect point in the detection area. And obtaining the position of the defect point of the outer anticorrosive layer of the pipeline and evaluation parameters through data processing, and identifying and eliminating an interference electric field caused by the interference of the external electric field.
However, the existing detection side equipment is handheld equipment, detection personnel need to carry out handheld movement, two detection electrodes of the detection equipment are placed on the ground for detection through walking, continuous movement cannot be achieved, and continuous detection cannot be achieved. It is very inconvenient to use. Therefore, improvements are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heat supply buried pipeline ground electric field and pipeline electricity inspection data comprehensive testing equipment to the technical defect who exists among the prior art.
For realizing the utility model discloses a technical scheme that the purpose adopted is:
a heat supply direct buried pipeline ground electric field and pipeline electric detection data comprehensive detection device comprises a detection vehicle, wherein the detection vehicle is provided with four metal wheels serving as ground contact electrodes through a wheel carrier, the four metal wheels are divided into two groups, a front metal wheel and a rear metal wheel are symmetrical to form a group, a left metal wheel and a right metal wheel are symmetrical to form a group, the axes of the four metal wheels are parallel, the axis connecting lines of the left metal wheel and the right metal wheel are separated from the axes of the front metal wheel and the rear metal wheel by equal distances, the other ends of the wheel carrier connecting the four metal wheels are fixedly connected with four surfaces of a detection case, and a group of wheel carriers which are arranged oppositely are fixed with two handrails which are arranged oppositely; one of the metal wheels is provided with a position encoder.
The detection device comprises a detection case, a position encoder and a position encoder, wherein a position encoding signal collector is arranged in the detection case and connected with the position encoder through a signal wire, and the position encoding signal collector is in wireless communication connection with an upper computer.
And the armrest is provided with an upper computer which is in communication connection with the detection case.
Wherein, be equipped with the electrical inspection data acquisition appearance in the detection computer case, pass through wireless communication module with the host computer and be connected.
The detection cabinet is internally provided with an electromagnetic antenna, and the electromagnetic antenna is connected with the electric detection data acquisition instrument.
The utility model discloses a detection car has four metal wheels as earth-contacting electrode through the wheel carrier, four the metal wheel divide into two sets, and two metal wheels are symmetrical to form a set of in front and back, and two metal wheels are symmetrical to form a set of about, and the axis of four metal wheels is parallel, and the axle center connecting wire of two metal wheels on the left and right sides separates the equivalent distance with the axis of two metal wheels on the front and back, and the other end of the wheel carrier of connecting four the metal wheels is connected with four faces of detection machine case fixedly, and a set of wheel carrier of relative arrangement is fixed with two handrail of relative arrangement of detection car; a metal wheel is provided with a position encoder, so that continuous movement detection is realized, and the metal wheel can be associated with the information of the position encoder, so that the accuracy of the acquired information is ensured.
Drawings
FIG. 1 is a schematic view of the detection principle of the integrated detection device for ground electric field and pipeline electric inspection data of the heat supply buried pipeline of the present invention;
fig. 2 is a schematic front view of the inspection vehicle of the present invention;
fig. 3 is a schematic side view of the inspection vehicle of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-3, the utility model discloses a heat supply buried pipeline ground electric field and pipeline electrical detection data integrated detection equipment, including a detection car 8, the detection car has four metal wheels 11 as the electrode that contacts to the earth through wheel carrier 10, four the metal wheels divide into two sets, two metal wheels symmetry forms a set of in front and back, two metal wheels symmetry forms a set of about, the axis of four metal wheels is parallel, the axle center connecting wire of two metal wheels on the left and right sides separates the equivalent distance with the axis of two metal wheels in front and back, the other end of the wheel carrier of connecting four the metal wheels is connected fixedly with four faces of detection machine case 14, a set of wheel carrier of relative arrangement is fixed with two handrail 9 of relative arrangement of detection car; and a position encoder 12 is arranged on one metal wheel, and wheel shafts of the four metal wheels are connected with an electric detection data acquisition instrument 17 (a lower computer) in the detection case through leads.
The detection case 14 is provided with a position coding signal collector (not shown) connected with the position encoder through a signal line, and the position coding signal collector (not shown) is in wireless communication connection with the upper computer 13 and synchronously transmits collected position signals to the upper computer for storage.
In the technical scheme, the detection data acquired in real time can be associated with the position information of the encoder one by one through the configuration of the position encoder, so that after the detection data are acquired, the upper computer can obtain the defect point according to the position information to perform accurate positioning and studying and judging results.
Wherein, an upper computer 13 (a portable computer or a notebook computer) which is in communication connection with the detection case 14 is installed on the armrest 9.
It should be noted that, the utility model discloses in, detection chassis in can dispose corresponding ground electric field and pipeline electricity and examine data detection module to acquire ground electric field parameter and pipeline data, use for the analysis later on.
For example, an electrical inspection data acquisition instrument 17 may be disposed in the inspection case 14, and connected to the upper computer through a wireless communication module 18 (e.g., a WIFI wireless module).
For another example, an electromagnetic antenna 15 (or magnetometer) is arranged in the detection case, and the electromagnetic antenna is connected with an electrical detection data acquisition instrument (lower computer) to acquire signals of an equal-frequency electromagnetic field formed by current with specific frequency change in a pipeline and transmit the acquired equal-frequency electromagnetic field signals to the electrical detection data acquisition instrument.
In particular, the horizontal partition 16 may be disposed in the detection case, the electromagnetic antenna may be disposed in the lower space, and the electrical detection data acquisition instrument, the wireless module, the position encoder signal acquisition device, and the battery (such as an industrial lithium battery pack) for supplying power to the device may be disposed in the upper space of the partition.
In the above technical solution, the electromagnetic antenna may be implemented by using detection antennas with various shapes and structures in the prior art. In the technical scheme, the electromagnetic antenna can collect the constant-frequency electromagnetic field signals formed by the current with specific frequency change in the tube, and the data received by the lower computer is transmitted to the upper computer (upper processing calculation) through the WIFI wireless communication module for further processing.
For example, the upper computer may perform comprehensive inversion operation on the obtained corresponding data to obtain various pipeline electrical inspection parameters such as a pipeline buried depth change value, a current change value in the pipe, and the like, and further form continuous images such as a pipeline routing buried depth change curve, a current curve in the pipe, and the like in the inspection area through continuously acquired data; and evaluating and calculating the outer anticorrosive layer of the pipeline by using a research and judgment algorithm such as a direct current potential gradient method in the continuous data acquisition application pipe.
It should be noted that, the process of the above-mentioned processing data about the host computer to and how the host computer handles, the analytical data then is not the problem of concern, the utility model aims to provide a detection data collection device is in order to serve for the host computer.
It should be noted that, in the present invention, the detection module in the detection chassis can be used to place any available pipeline current and magnetic field detection device or instrument in the prior art, and is not limited to the above-mentioned embodiment.
In use, as shown in figure 1, the detection vehicle is placed on the detection ground, the pipeline 2 is buried in the soil 1 below the ground, a pipeline power-on direct current transmitter 3 and a ground wire grounding pin 4 are placed on the ground, the pipeline power-on direct current transmitter 3 is electrically connected with a valve on the pipeline 2 through a lead, when the power is supplied by the DC transmitter 3, the current flows into the pipeline 2 through the connected valve 5, when the corrosion-resistant layer is damaged at a position, the current flows into the soil through the damaged point 6, thereby forming an electric field 7 on the ground surface, when the detection vehicle passes through, the induced electromotive force of the ground electric field is continuously collected by the four-quadrant grounding electrode formed by the four metal wheels, the parameters of the formed electromagnetic field are detected through the electromagnetic antenna, the data are processed by the lower computer and then wirelessly transmitted to the upper computer for processing, and then continuous electric field imaging caused by defect points of the outer anticorrosive coating of the pipeline in the detection domain can be formed by utilizing the existing detection technology. And the positions of the defect points of the outer anticorrosive layer of the pipeline and the evaluation parameters can be obtained through data processing, and meanwhile, interference electric fields caused by the interference of the external electric fields are identified and eliminated, and the like.
The utility model discloses a portable road surface quadrupole detects car has realized the continuous detection, has solved current electric detection equipment and can only the point survey can not continuous measurement imaging's technological problem, provides the detection technology guarantee for generating various electric detection data continuous image.
The utility model discloses a this set of check out test set once advances to gather can be to the electricity inspection data disposable collection such as electric current in ground electric field, the pipe, for later stage data analysis processes provides the data guarantee, has improved the heat supply buried pipeline electricity inspection work efficiency under the urban road surface operating mode greatly, reduces the detection cost.
The utility model discloses a position encoder's integration configuration makes each detected data can and position data one-to-one. The problems of judgment potential drift caused by uneven speed of a pushed detection vehicle and interference on detection data when vehicles pass through the road surface are solved through the position data association design. Necessary guarantee is provided for the reliability of various detection data.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The comprehensive detection equipment for the ground electric field of the heat supply directly buried pipeline and the electric detection data of the pipeline is characterized by comprising a detection vehicle, wherein the detection vehicle is provided with four metal wheels serving as earth-contacting electrodes through a wheel carrier, the four metal wheels are divided into two groups, the front metal wheel and the rear metal wheel are symmetrical to form a group, the left metal wheel and the right metal wheel are symmetrical to form a group, the axes of the four metal wheels are parallel, the axis connecting lines of the left metal wheel and the right metal wheel are separated from the axes of the front metal wheel and the rear metal wheel by equal distances, the other ends of the wheel carriers connecting the four metal wheels are fixedly connected with four surfaces of a detection case, and the wheel carriers arranged oppositely are fixed with two hand; one of the metal wheels is provided with a position encoder.
2. The comprehensive detection device for the ground electric field of the heat supply buried pipeline and the electric detection data of the pipeline according to claim 1, wherein a position coding signal collector is arranged in the detection cabinet and connected with the position encoder through a signal line, and the position coding signal collector is in wireless communication connection with an upper computer.
3. The comprehensive detection equipment for the ground electric field and the electric detection data of the pipeline of the heat supply buried pipeline according to claim 1, wherein an upper computer in communication connection with the detection case is installed on the handrail.
4. The comprehensive detection equipment for the ground electric field of the heat supply buried pipeline and the electric detection data of the pipeline according to claim 1, wherein an electric detection data acquisition instrument is arranged in the detection cabinet and is connected with an upper computer through a wireless communication module.
5. The comprehensive detection equipment for the ground electric field of the heat supply buried pipeline and the electric detection data of the pipeline according to claim 3, wherein an electromagnetic antenna is arranged in the detection cabinet and is connected with an electric detection data acquisition instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022422539.XU CN213456753U (en) | 2020-10-27 | 2020-10-27 | Heat supply direct-buried pipeline ground electric field and pipeline electrical inspection data comprehensive detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022422539.XU CN213456753U (en) | 2020-10-27 | 2020-10-27 | Heat supply direct-buried pipeline ground electric field and pipeline electrical inspection data comprehensive detection equipment |
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| Publication Number | Publication Date |
|---|---|
| CN213456753U true CN213456753U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022422539.XU Active CN213456753U (en) | 2020-10-27 | 2020-10-27 | Heat supply direct-buried pipeline ground electric field and pipeline electrical inspection data comprehensive detection equipment |
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| CN (1) | CN213456753U (en) |
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- 2020-10-27 CN CN202022422539.XU patent/CN213456753U/en active Active
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