CN216082925U

CN216082925U - Ground resistance tester

Info

Publication number: CN216082925U
Application number: CN202122404789.5U
Authority: CN
Inventors: 谷永强; 钱俊国; 陈广朋; 宋尧; 魏栋; 韩阳; 董广广
Original assignee: Hebei Electric Power Engineering Supervision Co ltd; State Grid Corp of China SGCC; Construction Branch of State Grid Hebei Electric Power Co Ltd
Current assignee: Hebei Electric Power Engineering Supervision Co ltd; State Grid Corp of China SGCC; Construction Branch of State Grid Hebei Electric Power Co Ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-18
Anticipated expiration: 2031-09-30

Abstract

The utility model provides a ground resistance tester, which solves the technical problem that the ground resistance tester in the prior art cannot upload and record the ground resistance value in real time. The grounding resistance tester is connected with the equipment to be tested through a detector, and the detector is used for detecting the electrical information data of the equipment to be tested; the ground resistance tester comprises a tester body, a data transmission interface, a wireless adapter, a control device, a detector, a terminal device and a data transmission interface, wherein the data transmission interface is embedded in the tester body, the wireless adapter is connected into the data transmission interface, the control device is used for storing electrical information data and controlling the detector to transmit the collected electrical information data of the device to be tested to the wireless adapter, and the wireless adapter transmits the electrical information data of the device to be tested to the terminal device, so that the ground resistance tester can upload and record the collected ground resistance information in real time; and then the staff follow-up traces back and looks over the use conveniently.

Description

Ground resistance tester

Technical Field

The utility model relates to the technical field of maintenance of power equipment, in particular to a ground resistance tester.

Background

The grounding resistance is an important parameter for measuring whether the grounding state is good or not, the grounding resistance is a resistance encountered by current flowing into the ground through equipment and then flowing to another grounding body through the ground or diffusing to a remote place, and the good degree of contact between an electrical device and the ground is reflected by the grounding resistance. The resistance of the grounding wire and the grounding body, the contact resistance between the grounding body and the resistance of the earth, and the resistance of the earth between the two grounding bodies or the resistance of the earth from the grounding body to the infinite distance. At present, a grounding resistance tester or a universal meter is often adopted to directly measure the grounding resistance of equipment to judge whether the equipment is reliably grounded.

With the rapid development of power grid construction projects, the authenticity and the real-time performance of detection data in the power grid construction project process are required. In the prior art, a ground resistance tester measures the ground resistance in a power grid, usually needs to manually detect the ground resistance value and records the detected data; the manual measurement of the ground resistance and the recording of data have the phenomena of unreliable data, difficult data tracing or data loss due to the fact that human subjective consciousness exists.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a ground resistance tester, which solves the technical problem that the ground resistance tester in the prior art cannot upload and record the ground resistance value in real time.

According to an aspect of the present invention, an embodiment of the present invention provides a ground resistance tester, including:

a tester body;

the detector is arranged on the test body and used for detecting electrical information data of the equipment to be tested;

a first opening disposed on the tester body;

a data transmission interface embedded in the first opening;

the wireless adapter is matched with the data transmission interface and used for transmitting the electrical information data to terminal equipment; and

a control device communicatively coupled to the wireless adapter; the control device is used for storing the electrical information data and controlling the detector to transmit the detected electrical information data of the equipment to be detected to the wireless adapter.

In one embodiment of the present invention, the wireless adapter includes:

a housing;

the first data interface is arranged outside the shell and is matched with the data transmission interface; and

the first controller is arranged inside the shell and electrically connected with the first data interface, and the first controller is in communication connection with the control device.

In an embodiment of the present invention, the first controller includes:

the first interface module is connected with the data transmission interface;

the first control unit module is in communication connection with the first interface module;

the first data transmission module is in communication connection with the first control unit module.

In an embodiment of the present invention, the first controller includes:

and the power supply module is in communication connection with the first control unit module and is used for being connected with an external power supply.

In an embodiment of the present invention, the control device includes:

the data acquisition module is used for acquiring the electrical information data of the equipment to be detected by the detector;

the second control unit is in communication connection with the data acquisition module and is used for storing the electrical information data acquired by the data acquisition module;

and one end of the second data transmission module is connected with the second control unit, the other end of the second data transmission module is connected with the first data transmission module, and the second data transmission module is used for transmitting the electrical information data stored by the second control unit to the first data transmission module.

In an embodiment of the utility model, the second data transmission module is electrically connected to the data transmission interface.

In an embodiment of the present invention, the method further includes:

the camera device is arranged on the tester body and is connected with the control device; wherein the content of the first and second substances,

the control device further includes:

and the image acquisition module is in communication connection with the camera device.

In an embodiment of the present invention, the method further includes:

the positioning device is arranged in the tester body and is connected with the control device; wherein the content of the first and second substances,

the control device further includes:

and the positioning acquisition module is in communication connection with the positioning device.

In an embodiment of the present invention, the first data transmission module includes:

a Bluetooth transmission module; or

And a wireless transmission module.

In an embodiment of the present invention, the second data transmission module includes:

a Bluetooth transmission module; or

And a wireless transmission module.

The utility model provides a grounding resistance tester, which comprises a tester body; the detector is arranged on the test body and used for detecting the electrical information data of the equipment to be tested; a first opening provided in the tester body; a data transmission interface embedded in the first opening; the wireless adapter is matched with the data transmission interface and is used for transmitting the electrical information data to the terminal equipment; and a control device, the control device being in communication connection with the wireless adapter; the control device is used for storing the electrical information data and controlling the detector to transmit the detected electrical information data of the equipment to be detected to the wireless adapter. The grounding resistance tester is connected with equipment to be tested through a detector, and the detector is used for detecting electric information data such as voltage information, current information and the like of the equipment to be tested; the ground resistance tester comprises a tester body, a data transmission interface, a wireless adapter, a control device, a detector, a terminal device and a data transmission interface, wherein the data transmission interface is embedded in the tester body, the wireless adapter is connected into the data transmission interface, the control device is used for storing electrical information data and controlling the detector to transmit the collected electrical information data of the device to be tested to the wireless adapter, and the wireless adapter transmits the electrical information data of the device to be tested to the terminal device, so that the ground resistance tester can upload and record the collected ground resistance information in real time; and then the staff follow-up traces back and looks over the use conveniently.

Drawings

Fig. 1 is a schematic structural diagram of a ground resistance tester according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a wireless adapter in a ground resistance tester according to another embodiment of the present application;

fig. 3 is a schematic structural diagram of a wireless adapter in a ground resistance tester according to another embodiment of the present application;

fig. 4 is a schematic structural diagram of a wireless adapter in a ground resistance tester according to another embodiment of the present application;

fig. 5 is a schematic structural diagram of a ground resistance tester according to another embodiment of the present application;

fig. 6 is a schematic structural diagram of a ground resistance tester according to another embodiment of the present application;

fig. 7 is a schematic structural diagram of a ground resistance tester according to another embodiment of the present application.

Description of reference numerals:

100. a tester body; 200. a detector; 300. a first opening; 400. a data transmission interface; 500. a wireless adapter; 501. a housing; 502. a first data interface; 503. a first controller; 5031. a first interface module; 5032. a first control unit module; 5033. a first data transmission module; 5034. a power supply module; 600. a control device; 601. a data acquisition module; 602. a second control unit; 603. a second data transmission module; 604. an image acquisition module; 605. a positioning acquisition module; 700. a camera device; 800. and a positioning device.

Detailed Description

In the description of the present invention, the meaning of "plurality" in the description of the present application is at least two, e.g., two, three, etc., unless explicitly specified otherwise. All directional indicators in the embodiments of the present application (such as upper, lower, left, right, front, rear, top, bottom … …) are only used to explain the relative positional relationship between the components, the movement, etc. in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

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.

Fig. 1 is a schematic structural diagram of a ground resistance tester according to an embodiment of the present application, and as shown in fig. 1, the ground resistance tester includes: a tester body 100; the detector 200 is arranged on the test body, and the detector 200 is used for detecting the electrical information data of the equipment to be tested; a first opening 300 provided on the tester body 100; a data transmission interface 400 embedded in the first opening 300; the wireless adapter 500, the wireless adapter 500 is adapted to the data transmission interface 400, and the wireless adapter 500 is used for transmitting electrical information data to the terminal equipment; and a control device 600, the control device 600 being communicatively connected to the wireless adapter 500; the control device 600 is used for storing the electrical information data and controlling the probe 200 to transmit the detected electrical information data of the device under test to the wireless adapter 500. The ground resistance tester is connected with a device to be tested through a detector 200, the detector 200 is used for detecting electric information data such as voltage information, current information and the like of the device to be tested, and it should be noted that the detector 200 can be a current probe or an electric detection detector 200 such as a potential probe, namely the detector 200 capable of collecting electric information of the device to be tested; the data transmission interface 400 is embedded in the tester body 100, the wireless adapter 500 is connected into the data transmission interface 400, the control device 600 is used for storing electrical information data and controlling the detector 200 to transmit the collected electrical information data of the device to be tested to the wireless adapter 500, and the wireless adapter 500 transmits the electrical information data of the device to be tested to the terminal equipment, so that the ground resistance tester can upload and record the collected ground resistance information in real time; and then the staff follow-up traces back and looks over the use conveniently.

In another embodiment of the present application, fig. 2 is a schematic structural diagram of a wireless adapter in a ground resistance tester according to another embodiment of the present application, and as shown in fig. 2, the wireless adapter 500 includes: a housing 501; a first data interface 502 arranged outside the housing 501, wherein the first data interface 502 is adapted to the data transmission interface 400; and a first controller 503 arranged inside the housing 501, wherein the first controller 503 is electrically connected with the first data interface 502, and the first controller 503 is connected with the control device 600 in a communication way. When the wireless adapter 500 is used, the first data interface 502 is inserted into the data transmission structure because the first data interface 502 is matched with the data transmission interface 400, and the first controller 503 is electrically connected with the first data interface 502; the control device 600 is in communication connection with the first controller 503, the electrical information data of the device to be tested, which is stored in the control device 600, is transmitted to the first controller 503, and the first controller 503 transmits the electrical information data to the terminal device, so that the electrical information data of the device to be tested can be collected in real time and uploaded in real time; and then be convenient for look over in real time, also be convenient for simultaneously the later stage of the equipment electrical property information that awaits measuring traces back. The electrical information data of the equipment to be detected is collected in real time and uploaded, so that the accuracy, authenticity, originality and effectiveness of the monitoring data are ensured; the influence of human factors is reduced to the maximum extent, and the problems of completeness and traceability of the test process are fundamentally solved.

Optionally, the first data interface 502 is a USB interface; the USB interface is selected for use, the tester is not required to be modified, the data can be transmitted and used, the manufacturing cost of the device is reduced, and the research and development time is saved.

Optionally, the data transmission interface 400 is a USB interface; the USB interface is selected for use, the tester is not required to be modified, the data can be transmitted and used, the manufacturing cost of the device is reduced, and the research and development time is saved.

In another embodiment of the present application, fig. 3 is a schematic structural diagram of a wireless adapter in a ground resistance tester according to another embodiment of the present application, and as shown in fig. 3, the first controller 503 includes: a first interface module 5031, wherein the first interface module 5031 is connected to the data transmission interface 400; a first control unit module 5032, the first control unit module 5032 is in communication connection with the first interface module 5031; the first data transmission module 5033 and the first data transmission module 5033 are in communication connection with the first control unit module 5032. The first interface module 5031 is connected to the data transmission interface 400, and the electrical information data of the device to be tested stored in the control device 600 is transmitted to the first control unit module 5032 through the data transmission interface 400 and the first interface module 5031, so as to realize data information transmission between the first controller 503 and the control device 600; the first control unit module 5032 is configured to store the received electrical information data, and the first control unit module 5032 transmits the electrical information data to the terminal device through the first data transmission module 5033, so as to store and upload the acquired electrical data of the device to be tested to the terminal device; automatic data uploading can be realized; the authenticity and the validity of the data are guaranteed, and meanwhile, the later verification and verification of the detection data are facilitated.

In another embodiment of the present application, fig. 4 is a schematic structural diagram of a wireless adapter in a ground resistance tester according to another embodiment of the present application, and as shown in fig. 4, the first controller 503 includes: the power module 5034, the power module 5034 is in communication connection with the first control unit module 5032, and the power module 5034 is configured to be connected to an external power supply. The power module 5034 is configured to be connected to an external power supply to supply power to the wireless adapter 500, so as to ensure normal operation of the wireless adapter 500; meanwhile, the power module 5034 is in communication connection with the first control unit to ensure that data can be completely and accurately transmitted when the wireless adapter 500 and the control device 600 of the tester transmit data; the uploading of the field data is completed, manual intervention is not needed, and real-time uploading is achieved, so that the authenticity, originality and effectiveness of the detection data are effectively guaranteed.

In another embodiment of the present application, fig. 5 is a schematic structural diagram of a ground resistance tester according to another embodiment of the present application, and as shown in fig. 5, a control device 600 includes: the data acquisition module 601, the data acquisition module 601 is used for acquiring the electrical information data of the device to be detected by the detector 200; the second control unit 602, the second control unit 602 is in communication connection with the data acquisition module 601, and the second control unit 602 is configured to store the electrical information data acquired by the data acquisition module 601; one end of the second data transmission module 603 is connected to the second control unit 602, the other end of the second data transmission module 603 is connected to the first data transmission module 5033, and the second data transmission module 603 is configured to transmit the electrical information data stored in the second control unit 602 to the first data transmission module 5033. When the ground resistance tester is used, the data acquisition module 601 acquires electrical information data such as current information, potential information and the like of the device to be tested detected by the detector 200, transmits the electrical information data of the data acquisition module 601 to the second control unit 602 for storage, and transmits the electrical information data to the first data transmission module 5033 through the second data transmission module 603; the first data transmission module 5033 transmits the electrical information data to the terminal device for the staff to check and watch, that is, the electrical information data of the device to be tested is uploaded and transmitted in real time, so as to realize a short-distance wireless transmission function, and the short-distance wireless transmission function can be realized without changing hardware; the accuracy, authenticity, originality and effectiveness of the monitoring data are ensured; the influence of human factors is reduced.

Optionally, the first data transmission module 5033 and the second data transmission module 603 are configured to transmit the data to the terminal device in real time through high-speed 3G/4G data transmission.

In another embodiment of the present application, the second data transmission module 603 is electrically connected to the data transmission interface 400. The second data transmission module 603 is electrically connected to the data transmission interface 400, and it can be understood that when the control device 600 and the data transmission interface 400 of the tester body 100 are powered on, the second data transmission module 603 and the data transmission interface 400 can implement a data transmission function without participation of other devices to implement the data transmission function; and then need not to construct the internal circuit of tester equipment, can realize the real-time transmission of data, practiced thrift equipment manufacturing cost.

In another embodiment of the present application, fig. 6 is a schematic structural diagram of a ground resistance tester provided in another embodiment of the present application, and as shown in fig. 6, the ground resistance tester further includes: a camera device 700 arranged on the tester body 100, the camera device 700 being connected to the control device 600; wherein, the control device 600 further comprises: the image acquisition module 604, the image acquisition module 604 is connected with the camera device 700 in a communication way. The camera device 700 is configured to detect an environment around the device to be tested or an obstacle around the device to be tested, and transmit the detected environment of the device to be tested to the control device 600 in a form of a photo or an image signal, and the image acquisition module 604 is configured to acquire a real-time status around the device to be tested and store the photo or the image through the data storage module for later-stage use by a worker; the scene of the field detection object is indicated, and the current positioning condition is proved to be consistent with the test condition; the field authenticity, originality and validity of the test data are ensured; meanwhile, the later verification and verification of the detection data are facilitated.

Optionally, the image capturing apparatus 700 includes: a camera. The camera converts the optical image signal into an electrical signal for storage or transmission. When an object is shot, light reflected by the object is collected by a camera lens, so that the light is focused on a light receiving surface of an image pickup device (such as a target surface of an image pickup tube), and the light is converted into electric energy through the image pickup device, so that a video signal is obtained. The photoelectric signal is weak, and needs to be amplified through a pre-discharge circuit, and then processed and adjusted through various circuits, and finally the obtained standard signal can be sent to a recording medium such as a video recorder and the like to be recorded, or can be transmitted through a transmission system or sent to a monitor to be displayed.

Optionally, the image capturing apparatus 700 includes: a camera is provided. The camera (webcam) generally has the basic functions of video shooting/transmission, static image capture and the like, and after images are collected through a lens, the images are processed and converted into digital signals which can be identified by a computer through a photosensitive component circuit and a control component in the camera, and then the digital signals are input into the computer through a parallel port or a USB connection and then are restored through software. Cameras can be divided into two categories, digital cameras and analog cameras. The digital camera can convert the analog video signal generated by the video acquisition equipment into a digital signal, and then store the digital signal in the computer. The video signal captured by the analog camera must be converted into a digital mode through a specific video capture card, and the digital mode can be converted into a computer for use after being compressed. The digital camera can directly capture images and then transmit the images to the computer through a serial port, a parallel port or a USB interface. The camera in the computer market is mainly a digital camera, and the digital camera is mainly a USB digital camera using the novel data transmission interface 400, and most of the cameras in the market are the digital camera. In addition, there is a product used in conjunction with a video capture card, but this is not the mainstream. The analog camera can be matched with a video acquisition card or a USB video acquisition card for use, is conveniently connected with a computer for use, and is typically applied to general video monitoring. Clean district camera, the embedded special camera in clean district is the special camera to clean district dust free chamber important equipment key post real time monitoring. This pure flat panel of camera imbeds various steel sheet installation, and zero health dead angle is clean convenient, and it is convenient to install, can quick multiple spot cloth accuse, compatible mainstream video system.

In another embodiment of the present application, fig. 7 is a schematic structural diagram of a ground resistance tester provided in another embodiment of the present application, and as shown in fig. 7, the ground resistance tester further includes: a positioning device 800 arranged inside the tester body 100, the positioning device 800 being connected with the control device 600; wherein, the control device 600 further comprises: and the positioning acquisition module 605, wherein the positioning acquisition module 605 is in communication connection with the positioning device 800. The real-time position of the device to be detected can be detected through the positioning device 800, the position information of the device to be detected, which is monitored by the positioning device 800, is transmitted to the control device 600, and the positioning acquisition module 605 is used for acquiring the real-time position information of the device to be detected and storing the positioning through the data storage module for subsequent use; the position information and the time information of the device to be tested are accurately tracked, and the field authenticity, the originality and the validity of the test data are ensured.

Optionally, the positioning apparatus 800 includes: the positioning accuracy of various positioning system devices such as a GPS, a Beidou or a GLONASS is within 10 meters, and the accurate positioning of the position information of the equipment to be measured is realized.

In another embodiment of the present application, the first data transmission module 5033 includes: a Bluetooth transmission module; or a wireless transmission module. The first data transmission module 5033 adopts a bluetooth transmission module, has reasonable communication speed matching, and has the characteristics of low power consumption and small volume; the short-distance data transmission can be realized, the technology of the technical scheme of the Bluetooth transmission module is relatively mature, and the technical risk is low; and the transmission speed is high, and the transmission distance is more than 10 meters. The first data transmission module 5033 is a wireless transmission module capable of transmitting a large amount of data at a high transmission speed and with a transmission distance greater than 20 m.

In another embodiment of the present application, the second data transmission module 603 includes: a Bluetooth transmission module; or a wireless transmission module. The second data transmission module 603 adopts a bluetooth transmission module, has reasonable communication speed matching, and has the characteristics of low power consumption and small volume; the short-distance data transmission can be realized, the technology of the technical scheme of the Bluetooth transmission module is relatively mature, and the technical risk is low; and the transmission speed is high, and the transmission distance is more than 10 meters. The second data transmission module 603 is a wireless transmission module, which can transmit a large amount of data, and has a high transmission speed and a transmission distance greater than 20 meters.

The utility model is not to be considered as limited to the specific embodiments shown and described, but is to be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.

Claims

1. An earth resistance tester, comprising: a tester body (100); the detector (200) is arranged on the tester body, and the detector (200) is used for detecting electrical information data of the equipment to be tested; a first opening (300) provided on the tester body (100); a data transmission interface (400) mounted embedded within the first opening (300); the wireless adapter (500), the wireless adapter (500) is matched with the data transmission interface (400), and the wireless adapter (500) is used for transmitting the electrical information data to terminal equipment; and a control device (600), the control device (600) being communicatively connected to the wireless adapter (500); the control device (600) is used for storing the electrical information data and controlling the detector (200) to transmit the detected electrical information data of the device to be tested to the wireless adapter (500).

2. The ground resistance tester of claim 1, characterized in that the wireless adapter (500) comprises:

a housing (501);

a first data interface (502) disposed outside the housing (501), the first data interface (502) being adapted to the data transmission interface (400); and

a first controller (503) disposed inside the housing (501), the first controller (503) being electrically connected to the first data interface (502), the first controller (503) being communicatively connected to the control device (600).

3. The ground resistance tester of claim 2, characterized in that the first controller (503) comprises:

a first interface module (5031), wherein the first interface module (5031) is connected with the data transmission interface (400);

a first control unit module (5032), said first control unit module (5032) being in communicative connection with said first interface module (5031);

a first data transmission module (5033), wherein the first data transmission module (5033) is in communication connection with the first control unit module (5032).

4. The ground resistance tester of claim 3, characterized in that the first controller (503) comprises:

the power supply module (5034), the power supply module (5034) is in communication connection with the first control unit module (5032), and the power supply module (5034) is used for being connected with an external power supply.

5. Ground resistance tester according to claim 3, characterized in that the control device (600) comprises:

the data acquisition module (601), the data acquisition module (601) is used for acquiring the electrical information data of the device to be detected by the detector (200);

the second control unit (602), the second control unit (602) is in communication connection with the data acquisition module (601), and the second control unit (602) is used for storing the electrical information data acquired by the data acquisition module (601);

a second data transmission module (603), wherein one end of the second data transmission module (603) is connected to the second control unit (602), the other end of the second data transmission module (603) is connected to the first data transmission module (5033), and the second data transmission module (603) is configured to transmit the electrical information data stored in the second control unit (602) to the first data transmission module (5033).

6. The earth resistance tester according to claim 5, characterized in that the second data transmission module (603) is electrically connected to the data transmission interface (400).

7. The ground resistance tester of claim 5 further comprising:

the camera device (700) is arranged on the tester body (100), and the camera device (700) is connected with the control device (600); wherein the content of the first and second substances,

the control device (600) further comprises:

an image acquisition module (604), the image acquisition module (604) being in communication with the camera device (700).

8. The ground resistance tester of claim 5 further comprising:

the positioning device (800) is arranged inside the tester body (100), and the positioning device (800) is connected with the control device (600); wherein the content of the first and second substances,

the control device (600) further comprises:

a positioning acquisition module (605), wherein the positioning acquisition module (605) is in communication connection with the positioning device (800).

9. The ground resistance tester of claim 5, wherein the first data transmission module (5033) comprises:

a Bluetooth transmission module; or

And a wireless transmission module.

10. The ground resistance tester according to claim 5, characterized in that the second data transmission module (603) comprises:

a Bluetooth transmission module; or

And a wireless transmission module.