CN110398779B - Concealed wire detection device and detection method - Google Patents
Concealed wire detection device and detection method Download PDFInfo
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- CN110398779B CN110398779B CN201910629493.8A CN201910629493A CN110398779B CN 110398779 B CN110398779 B CN 110398779B CN 201910629493 A CN201910629493 A CN 201910629493A CN 110398779 B CN110398779 B CN 110398779B
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- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
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Abstract
The invention discloses a hidden wire detection device and a detection method, wherein the device comprises a device body, wherein the device body comprises a signal processing module, a display and alarm module and a power supply module; the power supply module is used for respectively supplying power to the signal processing module and the display and alarm module; the input end of the signal processing module is connected with the signal acquisition module, the output end of the signal processing module is in communication connection with the display and alarm module, the electric field data value and the distance data value are displayed in real time through the display and alarm module, and the display and alarm module is driven to alarm when the electric field data value exceeds an electric field threshold value, so that the purpose of determining the accurate position of the laying of the power transmission line is achieved.
Description
Technical Field
The invention belongs to the technical field of circuit installation engineering, and particularly relates to a hidden wire detection device and a detection method.
Background
Because the electric wires in the existing buildings are basically laid in a hidden mode, namely buried in floors, walls, beams and columns in a hidden mode, the trend of the lines cannot be obtained during decoration and maintenance, and great difficulty and even loss are brought to the decoration and maintenance. Therefore, a device capable of measuring the laying position of the electric wire is significant. Of course, the method can be used in any place where the position of the electrified conductor needs to be detected, besides the above situation.
Because 50HZ power frequency alternating current is transmitted in the circuit, a 50HZ electromagnetic field is generated in the space around the circuit, and the electric field intensity is higher as the circuit is closer, and the electric field intensity is lower as the circuit is farther. Meanwhile, the electric field strength is proportional to the voltage. I.e., E ═ U/d, where E is the electric field strength, U is the voltage, and d is the distance. Therefore, the distance between the power transmission line and the power transmission line can be judged by measuring the intensity of the electric field, and the accurate position of the power transmission line can be determined.
At present, no product capable of realizing the function is found in the market, the electrified lead inspection device fills the blank in the aspect, facilitates decoration and maintenance of buildings, reduces loss and brings economic benefits. And the reworking is reduced, so that the work is more accurate, the waste is reduced, the pollution is reduced, the environmental protection is favorably improved, and the method has good social benefits and application prospects.
Disclosure of Invention
In view of the above, in order to solve the above problems in the prior art, the present invention provides a concealed wire detection device and a detection method to achieve the purpose of determining the accurate position of the power transmission line.
The technical scheme adopted by the invention is as follows: a hidden wire detection device comprises a device body, wherein the device body comprises a signal processing module, a display and alarm module and a power supply module;
the power supply module is used for respectively supplying power to the signal processing module and the display and alarm module;
the input end of the signal processing module is connected with the signal acquisition module, the output end of the signal processing module is in communication connection with the display and alarm module, the electric field data value and the distance data value are displayed in real time through the display and alarm module, and the display and alarm module is driven to alarm when the electric field data value exceeds the electric field threshold value.
Furthermore, the signal processing module comprises a signal amplifying circuit, a filter circuit, an effective value conversion circuit and a microprocessor, and the output end of the signal acquisition module, the signal amplifying circuit, the filter circuit, the effective value conversion circuit and the microprocessor are electrically connected in sequence.
Further, still include the winder, the winder adorns in on the device body, and the winder is gone up the winding and is had communication cable, connect through this communication cable between signal acquisition module and the signal processing module.
Further, the signal acquisition module is set as an electric field measurement sensor.
Further, the display and alarm module comprises a liquid crystal display screen and a buzzer, and the liquid crystal display screen and the buzzer are both electrically connected with the microprocessor.
Further, still include battery, switch and LED pilot lamp in the device body, the battery passes through the switch and the LED pilot lamp is connected to power module, power module is equipped with the interface that charges.
The invention also provides a concealed wire detection method, which comprises the following steps:
(1) collecting the electric field intensity generated by the hidden electric wire and converting the electric field intensity into an electric signal;
(2) carrying out data processing and data storage on the electric signal after amplification, filtering, effective value conversion and analog-to-digital conversion, and acquiring an electric field data value and a distance data value;
(3) calling the electric field data value and the distance data value to be displayed to a user in real time, comparing the electric field data value with an electric field threshold value, and giving an alarm if the electric field data value is greater than the electric field threshold value; otherwise, no alarm is given.
Further, in the step (2), the distance data value is obtained by calculating a formula E ═ U/d, where E denotes an electric field strength and U denotes a voltage.
Further, the electric field intensity is collected through an electric field measuring sensor in the step (1), and in the collecting process, the current position of the electric field measuring sensor is used as an initial point, and the electric field measuring sensor moves at a constant speed along the directions of + X, -X, + Y and Y;
the step (2) further comprises the steps of respectively calculating the change rate of the electric field strength in the + X direction, the-X direction, the + Y direction and the-Y direction through data processing, acquiring the azimuth information of the concealed electric wire relative to the initial point according to the change rate of the electric field strength, and displaying the azimuth information to a user in real time;
and the user moves the electric field measuring sensor according to the azimuth information so as to accurately position the position of the hidden electric wire.
The electric field measuring sensor is connected to the end of the electric telescopic rod, and the electric field measuring sensor is controlled to move at a constant speed along the designated direction.
The invention has the beneficial effects that:
1. the hidden electric wire detection device provided by the invention realizes the detection of the hidden electric wire, and the electric field strength around the electric wire is measured to judge the position of the electric wire, in the determination process, the electric field strength around the electric wire is only required to be acquired through the electric field measurement sensor, the electric wire is not required to be contacted, and when the electric field data value exceeds the preset electric field threshold value, constructors can be warned through alarming, the blind construction is avoided, meanwhile, the construction safety can be improved, the device can measure the position of the hidden electric wire through a simple, practical and effective mode, and has good market popularization value.
2. The hidden electric wire detection device provided by the invention realizes the method for hidden electric wires, can acquire the electric field strength in real time in the electric field strength acquisition process, and display the electric field strength and the distance to a user in real time, and meanwhile, can realize the rapid determination of the position and the position of the hidden electric wires by uniformly moving the electric field measurement sensor along the directions of + X, -X, + Y and Y, and improves the safety and the efficiency of construction.
Drawings
FIG. 1 is a block diagram of the system architecture of a concealed wire detection device provided by the present invention;
FIG. 2 is a connection diagram of the internal circuitry of the concealed wire detection device provided by the present invention;
FIG. 3 is a schematic view of the external structure of the concealed wire detecting device provided by the present invention;
the reference numerals are specifically as follows:
the device comprises a device body-1, a winder-2 and an electric field measuring sensor-3.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the indication of the orientation or the positional relationship is based on the orientation or the positional relationship shown in the drawings, or the orientation or the positional relationship which is usually placed when the product of the present invention is used, or the orientation or the positional relationship which is usually understood by those skilled in the art, or the orientation or the positional relationship which is usually placed when the product of the present invention is used, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, cannot be understood as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases by those skilled in the art; the drawings in the embodiments are used for clearly and completely describing the technical scheme in the embodiments of the invention, and obviously, the described embodiments are a part of the embodiments of the invention, but not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Example 1
As shown in fig. 1, fig. 2 and fig. 3, the concealed wire detecting device provided in this embodiment includes a device body 1, the device body 1 is used as a basic carrier, and may be a circular housing, a square housing, etc., and a signal processing module, a display and alarm module and a power supply module are included in the device body 1; the power supply module is used for respectively supplying power to the signal processing module and the display and alarm module;
the input end of the signal processing module is connected with a signal acquisition module, the signal acquisition module is set as an electric field measurement sensor 3, and the electric field measurement sensor 3 is a sensor with good electromagnetic interference resistance and fast response speed. The device can measure the transient electric field in a high-voltage power system, can be widely used for detecting the electric field intensity, and converts the electric field intensity generated by power frequency 50HZ alternating current into an electric signal.
The output end of the signal processing module is in communication connection with the display and alarm module so as to input the electric signal into the display and alarm module, the electric field data value and the distance data value are displayed in real time through the display and alarm module, and the display and alarm module is driven to alarm when the electric field data value exceeds the electric field threshold value. Preferably, the signal processing module comprises a signal amplifying circuit, a filter circuit, an effective value conversion circuit and a microprocessor, wherein the output end of the signal acquisition module, the signal amplifying circuit, the filter circuit, the effective value conversion circuit and the microprocessor are electrically connected in sequence, the signal amplifying circuit is used for amplifying an electric signal, the filter circuit is used for filtering the electric signal, the effective value conversion circuit is used for performing effective value conversion and analog-to-digital conversion, and the microprocessor is used for performing data calculation and data storage and feeding back a data calculation result to the display and alarm module.
The display and alarm module comprises a liquid crystal display screen and a buzzer, the liquid crystal display screen and the buzzer are both electrically connected with the microprocessor, the liquid crystal display screen is used for displaying data in real time, and the buzzer is used for giving an alarm.
Still include winder 2, winder 2 adorn in on the device body 1, and the winding has the communication cable on winder 2, be connected through this communication cable between signal acquisition module and the signal processing module, winder 2 can carry out good accomodating to the communication cable to prevent that the communication cable from accomodating improper operation that influences signal acquisition module, be about to the communication cable one end with electric field measurement sensor 3 is connected, the other end with signal processing module connects, and winder 2 can adopt conventional product on the market can.
The device body 1 further comprises a battery, a switch and an LED indicator light, the battery is connected to the power module through the switch and the LED indicator light, the power module is provided with a charging interface, the battery is charged through the charging interface, and when the switch is turned on, the LED indicator light is in a lighting state; otherwise, the LED indicator light is turned off.
Example 2
Based on embodiment 1, the present embodiment further provides a concealed wire detection method, including the following steps:
(1) the electric field intensity generated by the hidden electric wire is collected by the electric field measuring sensor 3 and converted into an electric signal;
(2) the method comprises the steps of carrying out data processing and data storage on an electric signal after amplification, filtering, effective value conversion and analog-to-digital conversion, obtaining an electric field data value and a distance data value, and obtaining the distance data value through a calculation formula E which is U/d, wherein E represents electric field intensity, and U represents voltage;
during the actual operation, the electric field measuring sensor 3 can be manually moved, for example: moving the electric field measuring sensor 3 towards the left, observing the change of the electric field data value, and if the change gradually becomes smaller, indicating that the hidden electric wire is positioned at the right side of the electric field measuring sensor 3; otherwise, the hidden wire is positioned at the left side of the electric field measurement sensor 3; if the magnitude of the electric field data value is not obviously changed, the concealed electric wire is positioned on the upper side or the lower side of the electric field measuring sensor 3, the direction of the concealed electric wire relative to the electric field sensor is finally determined by means of the attempt, at the moment, the electric field measuring sensor 3 is moved, and when the electric field data value is the largest and the distance data value is the smallest, the concealed electric wire can be indicated to be positioned under the electric field sensor.
(3) Calling the electric field data value and the distance data value to be displayed to a user in real time, comparing the electric field data value with an electric field threshold value, and giving an alarm if the electric field data value is greater than the electric field threshold value; otherwise, the alarm is not given, the user can be timely reminded of finding the range of the position of the concealed wire through the alarm, and the position of the concealed wire can be accurately positioned through the distance data value.
In order to further improve the searching speed of the hidden electric wire, the following method is adopted:
assembling the electric field measuring sensor 3 on the end part of the electric telescopic rod so as to regulate the electric field measuring sensor 3 to move at a uniform speed along a specified direction through the electric telescopic rod, and certainly, a user can also hold the electric telescopic rod by hand to move the position of the electric field measuring sensor 3 at will; preferably, the electric telescopic rod is also connected with the power supply module, and the electric telescopic rod is provided with an operation button for regulating and controlling the electric telescopic rod;
in the data acquisition process, the current position of the electric field measuring sensor 3 is taken as an initial point, and the electric field measuring sensor moves at a constant speed along the directions of + X, -X, + Y and Y respectively; specifically, the electric telescopic rod is horizontally placed, and the electric field measuring sensor is controlled to move at a constant speed along the + X direction and the-X direction; then vertically placing the electric telescopic rod, and controlling the electric field measuring sensor to move at a constant speed along the + Y-Y direction;
respectively calculating the change rate of the electric field strength in the + X direction, the-X direction, the + Y direction and the-Y direction through data processing, recording the change difference value of the electric field strength in real time in the movement process, calculating the change rate of the electric field strength according to the movement distance, acquiring the direction information of the concealed electric wire relative to the initial point according to the change rate of the electric field strength, and displaying the direction information to a user in real time; specifically, convert the electric field intensity rate of change into component acceleration, obtain the electric field intensity rate of change vector according to component acceleration, obtain the position of hiding the electric wire relative electric field measurement sensor 3 according to the electric field intensity rate of change vector, and show this position through liquid crystal display, in order to inform the position that the user hidden the electric wire, only need to continue to remove electric field measurement sensor 3 along this position, alright acquire the actual position of hiding the electric wire fast, in order to guide the user to carry out the site operation.
The invention is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.
Claims (5)
1. A concealed wire inspection method, comprising the steps of:
(1) collecting the electric field intensity generated by the hidden electric wire and converting the electric field intensity into an electric signal;
(2) carrying out data processing and data storage on the electric signal after amplification, filtering, effective value conversion and analog-to-digital conversion, and acquiring an electric field data value and a distance data value;
(3) calling the electric field data value and the distance data value to be displayed to a user in real time, comparing the electric field data value with an electric field threshold value, and giving an alarm if the electric field data value is greater than the electric field threshold value; otherwise, no alarm is given;
collecting the electric field intensity through an electric field measuring sensor in the step (1), and in the collecting process, taking the current position of the electric field measuring sensor as an initial point, and respectively moving the electric field measuring sensor at a constant speed along the directions of + X, -X, + Y and Y;
the step (2) further comprises the steps of respectively calculating the change rate of the electric field strength in the + X direction, the-X direction, the + Y direction and the-Y direction through data processing, acquiring the azimuth information of the concealed electric wire relative to the initial point according to the change rate of the electric field strength, and displaying the azimuth information to a user in real time;
the user moves the electric field measuring sensor according to the azimuth information to accurately position the position of the hidden electric wire;
the electric field measuring device is characterized by further comprising an electric telescopic rod, wherein the end portion of the electric telescopic rod is connected with the electric field measuring sensor, and the electric field measuring sensor is controlled to move at a constant speed along an appointed direction.
2. The concealed wire detecting method according to claim 1, wherein in the step (2), the distance data value is obtained by calculating a formula E ═ U/d, where E denotes an electric field strength and U denotes a voltage.
3. A concealed wire detection device, characterized in that the concealed wire detection device adopts the concealed wire detection method of claim 1 or 2 when in use, and the concealed wire detection device comprises a device body, wherein the device body comprises a signal processing module, a display and alarm module and a power supply module;
the power supply module is used for respectively supplying power to the signal processing module and the display and alarm module;
the input end of the signal processing module is connected with the signal acquisition module, the output end of the signal processing module is in communication connection with the display and alarm module, the electric field data value and the distance data value are displayed in real time through the display and alarm module, and the display and alarm module is driven to alarm when the electric field data value exceeds an electric field threshold value;
the device comprises a device body, a signal acquisition module and a signal processing module, and is characterized by further comprising a winder, wherein the winder is arranged on the device body, a communication cable is wound on the winder, and the signal acquisition module is connected with the signal processing module through the communication cable;
the device body also comprises a battery, a switch and an LED indicator light, the battery is connected to the power module through the switch and the LED indicator light, and the power module is provided with a charging interface;
the signal acquisition module is set as an electric field measurement sensor.
4. The concealed wire detection device according to claim 3, wherein the signal processing module comprises a signal amplification circuit, a filter circuit, an effective value conversion circuit and a microprocessor, and the output end of the signal acquisition module, the signal amplification circuit, the filter circuit, the effective value conversion circuit and the microprocessor are electrically connected in sequence.
5. The concealed wire detection device according to claim 4, wherein said display and alarm module comprises a liquid crystal display and a buzzer, both of which are electrically connected to said microprocessor.
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| CN201910629493.8A CN110398779B (en) | 2019-07-12 | 2019-07-12 | Concealed wire detection device and detection method |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101706585A (en) * | 2009-10-28 | 2010-05-12 | 中南大学 | Method for electrically forecasting danger in underground tunneling engineering |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5442293A (en) * | 1992-12-21 | 1995-08-15 | Lange; James N. | Method and apparatus for determining fluid content and conductivity in porous materials |
| CN103558638B (en) * | 2013-10-22 | 2016-08-17 | 江苏南瑞通驰自动化系统有限公司 | A kind of contactless charged concealed wire identification device |
| CN206114782U (en) * | 2016-08-31 | 2017-04-19 | 深圳供电局有限公司 | Hand-held power frequency electromagnetic radiation monitor |
| CN207611156U (en) * | 2017-12-26 | 2018-07-13 | 宁波职业技术学院 | A kind of alive circuit detection device within the walls |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101706585A (en) * | 2009-10-28 | 2010-05-12 | 中南大学 | Method for electrically forecasting danger in underground tunneling engineering |
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