CN109917190A - A kind of intelligent monitor system based on insulating resistance measuring - Google Patents
A kind of intelligent monitor system based on insulating resistance measuring Download PDFInfo
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- CN109917190A CN109917190A CN201811642815.4A CN201811642815A CN109917190A CN 109917190 A CN109917190 A CN 109917190A CN 201811642815 A CN201811642815 A CN 201811642815A CN 109917190 A CN109917190 A CN 109917190A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 2
- 238000004880 explosion Methods 0.000 abstract description 2
- 230000003321 amplification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
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- 230000002596 correlated effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention provides a kind of intelligent monitor system based on insulating resistance measuring, including several earth resistance testers, monitoring server, intelligent gateway and Switching Power Supply；Several described earth resistance testers are connect with intelligent gateway respectively, several earth resistance testers and switch power parallel, and intelligent gateway and monitoring server communicate to connect.What the present invention used can not be influenced by surrounding containing environment with protected against explosion earth resistance tester with stable for extended periods of time；And it is equipped with Explosion-proof cap and pressure element, it prolongs its service life.
Description
Technical field
The invention belongs to ground resistance apparatus field, supervises more particularly, to a kind of intelligence based on insulating resistance measuring
Examining system.
Background technique
Ground resistance is exactly that electric current is greatly flowed to another grounding body again by earthing or grounding means inflow the earth or distally spread
The resistance encountered, it includes the contact resistance between the resistance, grounding body and the resistance of the earth of ground line and grounding body itself
And two the earth between grounding body resistance or grounding body to unlimited distance ground resistance.Ground resistance size directly represents
The good degree that electric device is contacted with " ground " also reflects the scale of grounded screen.In the items such as single-point grounding system, interference be strong
Under part, it can be measured using the measurement method of earth resistance tester.
Since in current operation field, earthing device of electrical equipment is more, and Regional Distribution is wide, and wants periodic detection, day is given
Chang Yunwei brings biggish workload, some electrical equipment locations are far away, road bumpiness, increases to daily maintenance work
Difficulty, thus need to provide can under badly responsible environment steady operation detector.
Summary of the invention
In view of this, the invention be directed to it is a kind of structurally reasonable, can in any environment stable operation base
In the intelligent monitor system of insulating resistance measuring.
In order to achieve the above objectives, the technical solution of the invention is achieved in that
A kind of intelligent monitor system based on insulating resistance measuring, including several earth resistance testers, monitoring service
Device, intelligent gateway and Switching Power Supply；Several described earth resistance testers are connect with intelligent gateway respectively, several ground connection
Resistance monitor and switch power parallel, intelligent gateway and monitoring server communicate to connect；
The earth resistance tester includes detection circuit board and shell, and detection circuit board is installed in the shell
Portion, it is characterised in that: the detection circuit board includes ground resistance sensor, measurement circuit, humiture collection device, main control
Device, sound light alarming circuit and wireless communication module；The electric resistance sensor, measurement circuit, master controller are sequentially connected, warm and humid
Degree collector output end be connected with controller, the output end of controller respectively with sound light alarming circuit and wireless communication module
Connection；
The shell includes ontology, Explosion-proof cap, ground resistance probe insertion, display module and sealing ring；The Explosion-proof cap
It is fixed with ontology screw, ground resistance probe insertion and display module are respectively arranged on the side of ontology, the sealing ring socket
On ground resistance probe insertion.
Further, the earth resistance tester is arranged on ground lead, and one end of ground lead connects earthing pole.
Further, the ground connection extremely horizontal grounding pole or vertical grounding electrode.
Further, the wireless communication module is 3G communication module and WIFI wireless communication module.
Further, the ground resistance sensor is three-phase type current-voltage transformer, is used to acquire ground resistance
Current and voltage signals.
Further, the measurement circuit includes overvoltage crowbar, the first filtering and amplifying circuit, pumping signal amplification filter
Wave circuit；The ground resistance sensor is electrically connected with overvoltage crowbar, and the first filtering and amplifying circuit is connect with master controller,
Master controller is connected with the input terminal of pumping signal filtering and amplifying circuit, and output end is connected with ground resistance sensor.
Further, the display module is instrument board or touching display screen, is connect with master controller.
Further, also pass through an intermediate treatment circuit connection pressure element, the pressure element on the master controller
It is fixed on the side of Explosion-proof cap.
Further, the intermediate treatment circuit include the second filtering and amplifying circuit and D/A converting circuit, described second
Filtering and amplifying circuit is electrically connected with pressure element, is used to amplify filtering to the signal that pressure element generates；Second amplification
Filter circuit is connected and D/A converting circuit, is used to carry out digital-to-analogue conversion to filtered signal, and by the signal after conversion
It exports to master controller.
Compared with the existing technology, a kind of intelligent monitor system based on insulating resistance measuring described in the invention has
Following advantage:
What the present invention used can be with stable for extended periods of time, not by surrounding shadow containing environment with protected against explosion earth resistance tester
It rings；And it is equipped with Explosion-proof cap and pressure element, it prolongs its service life；It being capable of effective monitoring grounding using the intelligent detecting instrument
The grounding resistance of net, and the above-mentioned ground resistance information reporting that monitor will acquire is subsequently sent to each to monitoring server
Mobile terminal, monitoring server and earthing pole and ground lead, which are formed by grounded screen, becomes smart grounding net, and user can be
Mobile terminal side is monitored grounded screen resistance condition and user can also be believed by the client queries lightning protection correlation such as mobile phone
Breath, it is therefore seen that, the present invention is more able to satisfy the actual demand of current thunder-lightning.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide to further understand the invention, present invention wound
The illustrative embodiments and their description made are used to explain the present invention creation, do not constitute the improper restriction to the invention.?
In attached drawing:
Fig. 1 is mounting structure schematic diagram described in the invention embodiment；
Fig. 2 is earth resistance tester circuit diagram described in the invention embodiment；
Fig. 3 is earth resistance tester overall schematic described in the invention embodiment；
Fig. 4 is earth resistance tester main panel schematic diagram described in the invention embodiment.
Description of symbols:
1, Explosion-proof cap；2, pressure element；3, sound light alarming circuit；4, ground resistance probe insertion；5, ontology；6, it shows
Screen.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the invention can
To be combined with each other.
In the description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For the limitation to the invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.In the description of the invention, unless separately
It is described, the meaning of " plurality " is two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments creates.
As shown in Figs 1-4, a kind of intelligent monitor system based on insulating resistance measuring, including several insulating resistance measurings
Instrument, monitoring server, intelligent gateway and Switching Power Supply；Several described earth resistance testers are correlated with intelligent network respectively
It connects, several earth resistance testers and switch power parallel, intelligent gateway and monitoring server communicate to connect；
The earth resistance tester includes detection circuit board and shell, and detection circuit board is installed in the shell
Portion, it is characterised in that: the detection circuit board includes ground resistance sensor, measurement circuit, humiture collection device, main control
Device, sound light alarming circuit 3 and wireless communication module；The electric resistance sensor, measurement circuit, master controller are sequentially connected, temperature
The output end of humidity collector is connected with controller, the output end of controller respectively with sound light alarming circuit 3 and wireless communication
Module connection；
The shell includes ontology 5, Explosion-proof cap 1, ground resistance probe insertion 4, display module and sealing ring；It is described explosion-proof
Lid 1 is fixed with 5 screw of ontology, and ground resistance probe insertion 4 and display module are respectively arranged on the side of ontology 5, the sealing
Circle is socketed on ground resistance probe insertion 4.
Preferably, the earth resistance tester is arranged on ground lead, one end of ground lead connects earthing pole.
The ground connection extremely horizontal grounding pole or vertical grounding electrode.
Preferably, the wireless communication module is 3G communication module and WIFI wireless communication module.
Preferably, the ground resistance sensor is three-phase type current-voltage transformer, it is used to acquire ground resistance
Current and voltage signals.
Preferably, the measurement circuit includes overvoltage crowbar, the first filtering and amplifying circuit, pumping signal amplification filter
Wave circuit；The ground resistance sensor is electrically connected with overvoltage crowbar, and the first filtering and amplifying circuit is connect with master controller,
Master controller is connected with the input terminal of pumping signal filtering and amplifying circuit, and output end is connected with ground resistance sensor.
Preferably, the display module is instrument board or touching display screen 6, it is connect with master controller.
Preferably, also passing through an intermediate treatment circuit connection pressure element 2, the pressure element on the master controller
2 are fixed on the side of Explosion-proof cap 1.
Preferably, the intermediate treatment circuit include the second filtering and amplifying circuit and D/A converting circuit, described second
Filtering and amplifying circuit is electrically connected with pressure element 2, is used to amplify filtering to the signal that pressure element 2 generates；Second puts
Big filter circuit is connected and D/A converting circuit, is used to carry out filtered signal digital-to-analogue conversion, and by the letter after conversion
Number output to master controller.
The implementation principle of the invention: the invention can wirelessly or wired mode is monitored from ground resistance
Data are obtained in probe, therefore monitoring server is led to grounding resistance monitor instrument by intelligent gateway or wireless communication module
Letter.
Specifically, monitoring server also receive earth resistance tester transmission grounded screen grounding resistance, and on
Offer monitoring server；Monitoring server stores, summarizes, showing the ground connection of amplitude of lightning current, thunder and lightning time of origin and grounded screen
Resistance value, and grounded screen electric resistance change curve, the monitoring server are generated according to the grounding resistance of fixed time period
The information inquiring request that customer in response end is sent, allows user to pass through the situation of the client queries grounded screen such as mobile phone.
Horizontal grounding pole of the present invention and it is vertically grounded grade, compliant conductive grounding body has been wrapped up in outside, makes its tool
There is good water-retaining property, is able to maintain the stable state of grounding resistance.
The measurement circuit of monitor conveys the signal that comes according to higher level's circuit, by the master controller to the ground connection
Electric resistance sensor output drive signal incudes a potential E on ground resistance bus bar circuit and connects under the action of this potential E
Ground resistance bus bar circuit generates electric current I, and potential E and electric current I on ground resistance bus bar circuit at this time are detected in the measurement circuit,
Potential E and electric current I are transferred to data processing mainboard and handled by the measurement circuit, according to R=E/I, obtain described obtain
To ground resistance resistance value R；In addition, then pressure-sensitive original part passes pressure for generating pressure signal when explosion-proof shell receives pressure
Sense signal is successively transferred on master controller by intermediate treatment circuit, when reaching predetermined value, then passes through sound light alarming circuit 3
Warning is issued, the insulating washer on the jack of the ground resistance port is used to prevent connection jaws from entering liquid or dust, and warm and humid
Degree sensor further guarantees enclosure interior environment, when enclosure interior temperature is excessively high or moist, that is, passes through master controller pass
Close the Switching Power Supply of the invention.
The foregoing is merely the preferred embodiments of the invention, are not intended to limit the invention creation, all at this
Within the spirit and principle of innovation and creation, any modification, equivalent replacement, improvement and so on should be included in the invention
Protection scope within.
Claims (9)
1. a kind of intelligent monitor system based on insulating resistance measuring, it is characterised in that: including several earth resistance testers,
Monitoring server, intelligent gateway and Switching Power Supply；Several described earth resistance testers are connect with intelligent gateway respectively, if
Dry earth resistance tester and switch power parallel, intelligent gateway and monitoring server communicate to connect；
The earth resistance tester includes detection circuit board and shell, and detection circuit board is installed on the interior of shell,
Be characterized in that: the detection circuit board includes ground resistance sensor, measurement circuit, humiture collection device, master controller, acousto-optic
Warning circuit and wireless communication module；The electric resistance sensor, measurement circuit, master controller are sequentially connected, humiture collection
The output end of device is connected with controller, and the output end of controller is connect with sound light alarming circuit and wireless communication module respectively；
The shell includes ontology, Explosion-proof cap, ground resistance probe insertion, display module and sealing ring；The Explosion-proof cap and sheet
Body screw is fixed, and ground resistance probe insertion and display module are respectively arranged on the side of ontology, and the sealing ring, which is socketed in, to be connect
On ground resistance probe insertion.
2. a kind of intelligent monitor system based on insulating resistance measuring according to claim 1, it is characterised in that: described to connect
Ground resistance detector is arranged on ground lead, and one end of ground lead connects earthing pole.
3. a kind of intelligent monitor system based on insulating resistance measuring according to claim 2, it is characterised in that: described to connect
Ground extremely horizontal grounding pole or vertical grounding electrode.
4. a kind of intelligent monitor system based on insulating resistance measuring according to claim 1, it is characterised in that: the nothing
Line communication module is 3G communication module and WIFI wireless communication module.
5. a kind of intelligent monitor system based on insulating resistance measuring according to claim 1, it is characterised in that: described to connect
Ground resistance sensor is three-phase type current-voltage transformer, is used to acquire the current and voltage signals of ground resistance.
6. a kind of intelligent monitor system based on insulating resistance measuring according to claim 1, it is characterised in that: the survey
Measuring circuit includes overvoltage crowbar, the first filtering and amplifying circuit, pumping signal filtering and amplifying circuit；The ground resistance sensing
Device is electrically connected with overvoltage crowbar, and the first filtering and amplifying circuit is connect with master controller, and master controller and pumping signal are amplified
The input terminal of filter circuit is connected, and output end is connected with ground resistance sensor.
7. a kind of intelligent monitor system based on insulating resistance measuring according to claim 1, it is characterised in that: described aobvious
Show that module is instrument board or touching display screen, is connect with master controller.
8. a kind of intelligent monitor system based on insulating resistance measuring according to claim 1, it is characterised in that: the master
Also by an intermediate treatment circuit connection pressure element on controller, the pressure element is fixed on the side of Explosion-proof cap.
9. a kind of intelligent monitor system based on insulating resistance measuring according to claim 1, it is characterised in that: in described
Between processing circuit include the second filtering and amplifying circuit and D/A converting circuit, second filtering and amplifying circuit and pressure element electricity
Connection is used to amplify filtering to the signal that pressure element generates；Second filtering and amplifying circuit is connected and digital-to-analogue conversion electricity
Road is used to carry out digital-to-analogue conversion to filtered signal, and the signal after conversion is exported to master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811642815.4A CN109917190A (en) | 2018-12-29 | 2018-12-29 | A kind of intelligent monitor system based on insulating resistance measuring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811642815.4A CN109917190A (en) | 2018-12-29 | 2018-12-29 | A kind of intelligent monitor system based on insulating resistance measuring |
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| Publication Number | Publication Date |
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| CN109917190A true CN109917190A (en) | 2019-06-21 |
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| CN201811642815.4A Pending CN109917190A (en) | 2018-12-29 | 2018-12-29 | A kind of intelligent monitor system based on insulating resistance measuring |
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