CN209878885U - Intelligent monitoring system based on ground resistance detection - Google Patents
Intelligent monitoring system based on ground resistance detection Download PDFInfo
- Publication number
- CN209878885U CN209878885U CN201822260430.3U CN201822260430U CN209878885U CN 209878885 U CN209878885 U CN 209878885U CN 201822260430 U CN201822260430 U CN 201822260430U CN 209878885 U CN209878885 U CN 209878885U
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- ground resistance
- grounding
- circuit
- system based
- monitoring system
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Abstract
The utility model provides an intelligent monitoring system based on ground resistance detection, which comprises a plurality of ground resistance detectors, a monitoring server, an intelligent gateway and a switch power supply; the ground resistance detectors are connected with the intelligent gateway respectively, the ground resistance detectors are connected with the switching power supply in parallel, and the intelligent gateway is in communication connection with the monitoring server. The utility model adopts the explosion-proof ground resistance detector which can be kept stable for a long time and is not influenced by the surrounding environment; and is provided with an explosion-proof cover and a pressure sensing element, so that the service life of the pressure sensing element is prolonged.
Description
Technical Field
The utility model belongs to ground resistance equipment field especially relates to an intelligent monitoring system based on ground resistance detects.
Background
The grounding resistance is the resistance encountered by the current flowing from the grounding device to the ground and then flowing to another grounding body through the ground or spreading to a remote place, and comprises the resistance of the grounding wire and the grounding body, the contact resistance between the grounding body and the resistance of the ground, the resistance of the ground between the two grounding bodies or the resistance of the ground from the grounding body to the infinite place. The size of the grounding resistance directly reflects the good degree of the contact between the electric device and the ground, and also reflects the scale of the grounding grid. Under the conditions of a single-point grounding system, strong interference and the like, the measurement mode of the grounding resistance detector can be adopted for measurement.
Because in the present operation scene, electrical equipment earthing device is many, and the geographical distribution is wide to regularly detect, bring great work load for daily fortune dimension, some electrical equipment are located the long-range way, the road is rugged, has increased the degree of difficulty for daily fortune dimension work, so need provide can be under the rugged environment of responsible for the detector of stable work.
Disclosure of Invention
In view of this, the utility model aims at providing a rational in infrastructure, can be in any environment steady operation's intelligent monitoring system based on ground resistance detects.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
an intelligent monitoring system based on ground resistance detection comprises a plurality of ground resistance detectors, a monitoring server, an intelligent gateway and a switching power supply; the ground resistance detectors are respectively connected with the intelligent gateway, the ground resistance detectors are connected with the switching power supply in parallel, and the intelligent gateway is in communication connection with the monitoring server;
ground resistance detector is including detection circuitry board and shell, detection circuitry board install in inside the shell, its characterized in that: the detection circuit board comprises a grounding resistance sensor, a measurement loop, a temperature and humidity collector, a main controller, an audible and visual alarm circuit and a wireless communication module; the resistance sensor, the measuring loop and the main controller are sequentially connected, the output end of the temperature and humidity collector is connected with the controller, and the output end of the controller is respectively connected with the audible and visual alarm circuit and the wireless communication module;
the shell comprises a body, an explosion-proof cover, a grounding resistance probe jack, a display module and a sealing ring; the explosion-proof cover is fixed with the body screw, the ground resistance probe jack and the display module are respectively arranged on one side of the body, and the sealing ring is sleeved on the ground resistance probe jack.
Furthermore, the grounding resistance detector is arranged on the grounding lead, and one end of the grounding lead is connected with the grounding electrode.
Further, the grounding electrode is a horizontal grounding electrode or a vertical grounding electrode.
Further, the wireless communication module is a 3G communication module and a WIFI wireless communication module.
Furthermore, the grounding resistance sensor is a three-phase current-voltage transformer and is used for collecting current-voltage signals of the grounding resistance.
Furthermore, the measurement circuit comprises an overvoltage protection circuit, a first amplification filter circuit and an excitation signal amplification filter circuit; the ground resistance sensor is electrically connected with the overvoltage protection circuit, the first amplification filter circuit is connected with the main controller, the main controller is connected with the input end of the excitation signal amplification filter circuit, and the output end of the excitation signal amplification filter circuit is connected with the ground resistance sensor.
Furthermore, the display module is an instrument panel or a touch display screen, and is connected with the main controller.
Furthermore, the main controller is also connected with a pressure sensing element through an intermediate processing circuit, and the pressure sensing element is fixed on one side of the explosion-proof cover.
Furthermore, the intermediate processing circuit comprises a second amplifying and filtering circuit and a digital-to-analog conversion circuit, wherein the second amplifying and filtering circuit is electrically connected with the pressure sensing element and is used for amplifying and filtering signals generated by the pressure sensing element; the second amplifying and filtering circuit is connected with the digital-to-analog conversion circuit and used for performing digital-to-analog conversion on the filtered signals and outputting the converted signals to the main controller.
Compared with the prior art, an intelligent monitoring system based on ground resistance detects have following advantage:
the detector with the explosion-proof grounding resistor can be kept stable for a long time and is not influenced by the surrounding environment; and is provided with an explosion-proof cover and a pressure sensing element, so that the service life of the pressure sensing element is prolonged; the intelligent detector can effectively monitor the grounding resistance value of the grounding grid, the monitor reports the acquired grounding resistance information to the monitoring server and then sends the grounding resistance information to each mobile terminal, the grounding grid formed by the monitoring server, the grounding electrode and the grounding lead is changed into the intelligent grounding grid, a user can monitor the grounding grid resistance condition at the side of the mobile terminal, and the user can inquire lightning protection related information through a mobile phone and other clients, so that the intelligent detector can meet the actual requirements of lightning protection at present.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of an installation structure according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a ground resistance detector according to an embodiment of the present invention;
fig. 3 shows the whole of the ground resistance detector according to the embodiment of the present invention;
fig. 4 is a schematic diagram of the ground resistance detector according to the embodiment of the present invention.
Description of reference numerals:
1. an explosion-proof cover; 2. a pressure-sensitive element; 3. an audible and visual alarm circuit; 4. a grounding resistance probe jack; 5. A body; 6. a display screen.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "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 used merely for convenience of description and for 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. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
An intelligent monitoring system based on ground resistance detection comprises a plurality of ground resistance detectors, a monitoring server, an intelligent gateway and a switching power supply; the ground resistance detectors are respectively connected with the intelligent gateway, the ground resistance detectors are connected with the switching power supply in parallel, and the intelligent gateway is in communication connection with the monitoring server;
ground resistance detector is including detection circuitry board and shell, detection circuitry board install in inside the shell, its characterized in that: the detection circuit board comprises a grounding resistance sensor, a measurement loop, a temperature and humidity collector, a main controller, an acousto-optic alarm circuit 3 and a wireless communication module; the resistance sensor, the measuring loop and the main controller are sequentially connected, the output end of the temperature and humidity collector is connected with the controller, and the output end of the controller is respectively connected with the acousto-optic alarm circuit 3 and the wireless communication module;
the shell comprises a body 5, an explosion-proof cover 1, a grounding resistance probe jack 4, a display module and a sealing ring; the explosion-proof cover 1 is fixed with the body 5 through screws, the ground resistance probe jack 4 and the display module are respectively arranged on one side of the body 5, and the sealing ring is sleeved on the ground resistance probe jack 4.
Preferably, the grounding resistance detector is arranged on a grounding lead, and one end of the grounding lead is connected with a grounding electrode.
The grounding electrode is a horizontal grounding electrode or a vertical grounding electrode.
Preferably, the wireless communication module is a 3G communication module and a WIFI wireless communication module.
Preferably, the ground resistance sensor is a three-phase current-voltage transformer, and is used for collecting current-voltage signals of the ground resistance.
Preferably, the measurement circuit comprises an overvoltage protection circuit, a first amplification filter circuit and an excitation signal amplification filter circuit; the ground resistance sensor is electrically connected with the overvoltage protection circuit, the first amplification filter circuit is connected with the main controller, the main controller is connected with the input end of the excitation signal amplification filter circuit, and the output end of the excitation signal amplification filter circuit is connected with the ground resistance sensor.
Preferably, the display module is an instrument panel or a touch display screen 6, and is connected with the main controller.
Preferably, the main controller is further connected with a pressure sensing element 2 through an intermediate processing circuit, and the pressure sensing element 2 is fixed on one side of the explosion-proof cover 1.
Preferably, the intermediate processing circuit includes a second amplifying and filtering circuit and a digital-to-analog conversion circuit, and the second amplifying and filtering circuit is electrically connected to the pressure sensing element 2 and is configured to amplify and filter a signal generated by the pressure sensing element 2; the second amplifying and filtering circuit is connected with the digital-to-analog conversion circuit and used for performing digital-to-analog conversion on the filtered signals and outputting the converted signals to the main controller.
The utility model discloses an implement the principle: the utility model discloses accessible wireless mode or wired mode acquire data from ground resistance monitor probe, consequently monitoring server communicates through intelligent gateway or wireless communication module with the ground resistance monitor.
Specifically, the monitoring server also receives a grounding resistance value of the grounding grid sent by the grounding resistance detector and reports the grounding resistance value to the monitoring server; the monitoring server stores, summarizes and displays the lightning current amplitude, the lightning occurrence time and the grounding resistance value of the grounding network, generates a grounding network resistance change curve according to the grounding resistance value in a fixed time period, and responds to an information query request sent by a client side, so that a user can query the condition of the grounding network through the client side such as a mobile phone.
According to the horizontal grounding electrode and the vertical grounding level, the flexible conductive grounding body is wrapped outside, so that the horizontal grounding electrode and the vertical grounding level have good water retention property, and the stable state of the grounding resistance value can be kept.
A measurement loop of the monitor outputs an excitation signal to the ground resistance sensor through the main controller according to a signal transmitted by a superior circuit, a potential E is induced on a ground resistance bus loop, the ground resistance bus loop generates a current I under the action of the potential E, the measurement loop detects the potential E and the current I on the ground resistance bus loop at the moment, the measurement loop transmits the potential E and the current I to a data processing main board for processing, and the obtained ground resistance value R is obtained according to the result that R is E/I; in addition, the pressure sensing original paper is used for producing pressure signal when explosion-proof shell receives pressure, then transmits pressure sensing signal to main control unit in proper order through intermediate processing circuit on, when reaching the predetermined value, then sends the warning through audible and visual alarm circuit 3, insulating washer on the ground resistance port jack is used for preventing that the wiring mouth from getting into liquid or dust, and temperature and humidity sensor guarantees the casing internal environment further, and when the inside high temperature of casing or moist, closes through main control unit promptly the utility model discloses a switching power supply.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides an intelligent monitoring system based on ground resistance detects which characterized in that: the system comprises a plurality of grounding resistance detectors, a monitoring server, an intelligent gateway and a switching power supply; the ground resistance detectors are respectively connected with the intelligent gateway, the ground resistance detectors are connected with the switching power supply in parallel, and the intelligent gateway is in communication connection with the monitoring server;
ground resistance detector is including detection circuitry board and shell, detection circuitry board install in inside the shell, its characterized in that: the detection circuit board comprises a grounding resistance sensor, a measurement loop, a temperature and humidity collector, a main controller, an audible and visual alarm circuit and a wireless communication module; the resistance sensor, the measuring loop and the main controller are sequentially connected, the output end of the temperature and humidity collector is connected with the controller, and the output end of the controller is respectively connected with the audible and visual alarm circuit and the wireless communication module;
the shell comprises a body, an explosion-proof cover, a grounding resistance probe jack, a display module and a sealing ring; the explosion-proof cover is fixed with the body screw, the ground resistance probe jack and the display module are respectively arranged on one side of the body, and the sealing ring is sleeved on the ground resistance probe jack.
2. The intelligent monitoring system based on ground resistance detection of claim 1, characterized in that: the grounding resistance detector is arranged on the grounding lead, and one end of the grounding lead is connected with the grounding electrode.
3. The intelligent monitoring system based on ground resistance detection of claim 2, characterized in that: the grounding electrode is a horizontal grounding electrode or a vertical grounding electrode.
4. The intelligent monitoring system based on ground resistance detection of claim 1, characterized in that: the wireless communication module is a 3G communication module and a WIFI wireless communication module.
5. The intelligent monitoring system based on ground resistance detection of claim 1, characterized in that: the grounding resistance sensor is a three-phase current-voltage transformer and is used for collecting current-voltage signals of the grounding resistance.
6. The intelligent monitoring system based on ground resistance detection of claim 1, characterized in that: the measurement circuit comprises an overvoltage protection circuit, a first amplification filter circuit and an excitation signal amplification filter circuit; the ground resistance sensor is electrically connected with the overvoltage protection circuit, the first amplification filter circuit is connected with the main controller, the main controller is connected with the input end of the excitation signal amplification filter circuit, and the output end of the excitation signal amplification filter circuit is connected with the ground resistance sensor.
7. The intelligent monitoring system based on ground resistance detection of claim 1, characterized in that: the display module is an instrument panel or a touch display screen and is connected with the main controller.
8. The intelligent monitoring system based on ground resistance detection of claim 1, characterized in that: the main controller is also connected with a pressure sensing element through an intermediate processing circuit, and the pressure sensing element is fixed on one side of the explosion-proof cover.
9. The intelligent monitoring system based on ground resistance detection of claim 8, characterized in that: the intermediate processing circuit comprises a second amplifying and filtering circuit and a digital-to-analog conversion circuit, the second amplifying and filtering circuit is electrically connected with the pressure sensing element and is used for amplifying and filtering signals generated by the pressure sensing element; the second amplifying and filtering circuit is connected with the digital-to-analog conversion circuit and used for performing digital-to-analog conversion on the filtered signals and outputting the converted signals to the main controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822260430.3U CN209878885U (en) | 2018-12-29 | 2018-12-29 | Intelligent monitoring system based on ground resistance detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822260430.3U CN209878885U (en) | 2018-12-29 | 2018-12-29 | Intelligent monitoring system based on ground resistance detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209878885U true CN209878885U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822260430.3U Expired - Fee Related CN209878885U (en) | 2018-12-29 | 2018-12-29 | Intelligent monitoring system based on ground resistance detection |
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| CN (1) | CN209878885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917190A (en) * | 2018-12-29 | 2019-06-21 | 天津高德朗益科技有限公司 | A kind of intelligent monitor system based on insulating resistance measuring |
-
2018
- 2018-12-29 CN CN201822260430.3U patent/CN209878885U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917190A (en) * | 2018-12-29 | 2019-06-21 | 天津高德朗益科技有限公司 | A kind of intelligent monitor system based on insulating resistance measuring |
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Granted publication date: 20191231 Termination date: 20201229 |