CN110007180A - A kind of ground line connection reliability test method and device - Google Patents
A kind of ground line connection reliability test method and device Download PDFInfo
- Publication number
- CN110007180A CN110007180A CN201810010671.4A CN201810010671A CN110007180A CN 110007180 A CN110007180 A CN 110007180A CN 201810010671 A CN201810010671 A CN 201810010671A CN 110007180 A CN110007180 A CN 110007180A
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- grounding point
- resistance
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- connection reliability
- detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The present invention relates to a kind of ground line connection reliability test method and device, a kind of ground line connection reliability test method, comprising: the current value of grounding point when detection lightning stroke；The voltage difference at grounding point both ends when detection lightning stroke；The resistance value of grounding point is calculated according to the thunder-strike current value and voltage difference；Testing result is generated according to the resistance value of grounding point and is occurred to server.The high current of grounding point is applied to when the present invention is using lightning stroke to detect, and will test result and be sent to server and saved, and detection process does not need manually to carry out, and is not required to additionally apply electric current, and testing result accuracy height yet.
Description
Technical field
The present invention relates to ground line connection reliability test method and devices.
Background technique
Existing grounded screen because being embedded to underground in advance, and is an entirety, thus grounded screen itself be it is reliable,
And being grounded copper post is to be accessed later according to the condition of production below, needs to be welded to grounded screen when access, therefore has one
The problem of grounding point, in underground by prolonged corrosion, rosin joint etc. may cause ground resistance rising, becomes the grounding point
It is unreliable；When be struck by lightning occur when, be grounded the unreliable Electric Power Generating Equipment that will lead to by broken by lightning, therefore, ground connection copper post with
Connection reliability monitoring between grounded screen just becomes extremely important.
And existing ground line connection reliability test method mainly uses earth resistance tester, manually in grounding point
Carry out test, it is necessary to artificial loading current, if load electric current it is smaller, the resistance value ratio being calculated according to R=U/I
Smaller, measurement error is big, and the equipment for generating high current is heavy, and current value is limited, and field connection is difficult, at high cost,
The time is expended, also, measurement error is big.
Summary of the invention
Place in order to overcome the above-mentioned deficiencies of the prior art, the object of the present invention is to provide a kind of ground line connection reliability
Test method and device.
The technical scheme is that
A kind of ground line connection reliability test method, comprising: the current value of grounding point when detection lightning stroke；When detection lightning stroke
The voltage difference at grounding point both ends；The resistance value of grounding point is calculated according to the thunder-strike current value and voltage difference；According to grounding point
Resistance value generates testing result and occurs to server.
Its further technical solution are as follows: the ground line connection reliability test method further include: server sends self-test
Inquiry message；Receive the self-test inquiry message that server is sent；According to self-test inquiry message to detection grounding point loading current；Inspection
Survey the voltage difference at grounding point both ends；Judge whether grounding point is broken according to whether the voltage difference at grounding point both ends is infinitely great；If so,
Then grounding point is broken；If it is not, then grounding point is connected；Judging result is sent to server.
Its further technical solution are as follows: described that testing result is generated according to the resistance value of grounding point and is occurred to server step
It include: that resistance information is generated according to the resistance value of grounding point and detects the location information of grounding point；By resistance information, location information
Synthesize testing result；Testing result is sent to server.
Its further technical solution are as follows: after the transmission testing result to server step further include: will test result
In resistance information and the reduced value of setting compare, and reliability is judged with comparing result；If comparing result be greater than pair
Ratio, then the connection of grounding point is unreliable；If comparing result is less than or equal to reduced value, the connection of grounding point is reliable.
A kind of ground line connection reliability test device, comprising: main control module, the thunder and lightning being electrically connected respectively with main control module
Detection module, insulating resistance measuring module, communication module；The thunder and lightning detection module, the electricity of grounding point when for detecting lightning stroke
Flow valuve；The insulating resistance measuring module voltage difference at grounding point both ends and calculates the resistance value of grounding point when for detecting lightning stroke；
The main control module, for generating location information, resistance information；The communication module, for sending out location information, resistance information
It send to server.
Its further technical solution are as follows: the ground line connection reliability test device further includes for detection grounding point
The power module of loading current；The power module is electrically connected with main control module.
The present invention compared with prior art have the technical effect that a kind of ground line connection reliability test method, utilize thunder
The high current that grounding point is applied to when hitting is detected, and be will test result and be sent to server and saved, detection process
It does not need manually to carry out, is not required to additionally apply electric current yet, and testing result accuracy is high.
A kind of ground line connection reliability test device, using thunder and lightning detection module, the combination of insulating resistance measuring module
The resistance test for carrying out grounding point is applied to the natural electric current of grounding point, it can be achieved that automatic detection when using lightning stroke.
The invention will be further described in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is a kind of flow diagram for being grounded resistance detection process in connection reliability test method；
Fig. 2 is a kind of flow diagram for being grounded process of self-test in connection reliability test method；
Fig. 3 is to generate testing result according to the resistance value of grounding point and occur to the flow diagram of server step；
Fig. 4 is a kind of functional-block diagram for being grounded connection reliability test device.
Appended drawing reference
1 main control module, 2 thunder and lightning detection module
3 insulating resistance measuring module, 4 communication module
Specific embodiment
It is further to technical solution of the present invention below with reference to schematic diagram in order to more fully understand technology contents of the invention
It introduces and illustrates, but not limited to this.
A kind of ground line connection reliability test method, comprising: the current value of grounding point when detection lightning stroke；When detection lightning stroke
The voltage difference at grounding point both ends；The resistance value of grounding point is calculated according to the thunder-strike current value and voltage difference；According to grounding point
Resistance value generates testing result and occurs to server.High current can be generated when lightning stroke, at this time detect grounding point current value and
The voltage difference at grounding point both ends, by the way that the resistance value of grounding point is calculated, electric current when due to lightning stroke is very big, inspection
The resistance error measured out is small, to accurately judge the connection reliability of grounding point.And it is possible to real-time detection, as long as having
Lightning stroke, so that it may which test data simultaneously uploads, and required equipment volume is small, without the complicated troublesome operation such as artificial wiring.
As shown in Figure 1, a kind of ground line connection reliability test method, comprising: process of self-test S100 and resistance detection mistake
Journey S200.Wherein, process of self-test S100 includes:
S110, server send self-test inquiry message；
S120, the self-test inquiry message that server is sent is received；
S130, according to self-test inquiry message to detection grounding point loading current；
S140, the voltage difference for detecting grounding point both ends；
S150, judge whether grounding point is broken according to whether the voltage difference at grounding point both ends is infinitely great；
S160, if so, grounding point be broken；
S170, if it is not, then grounding point be connected；
S180, judging result is sent to server.
Process of self-test S100 is that the test device from server to grounding point is initiated actively to inquire, therefore, process of self-test can
It can occur before or after resistance detection process S200.It, can be with when server receives the feedback result of grounding point fracture
It is prompted to staff, since the test device of access grounded screen has individual number, maintenance personal also can be quick
The specific grounding point of arrival repair, and then guarantee access grounding point equipment normal power supply.
As shown in Fig. 2, resistance detection process S200 includes:
The current value of grounding point when S210, detection lightning stroke；
The voltage difference at grounding point both ends when S220, detection lightning stroke；
S230, the resistance value that grounding point is calculated according to the thunder-strike current value and voltage difference；
S240, testing result is generated according to the resistance value of grounding point and is occurred to server.
When resistance detection process S200 only occurs in lightning stroke and generates high current, when due to lightning stroke, the equipment that accesses grounding point
It is easier to generate high current, and conducts to grounding point.Therefore, in actual use, as long as have thunder and lightning generation, resistance detection mistake
Journey S200 will be carried out automatically, also, not need manually to apply external high current, moreover, finally detecting the resistance value result obtained
Accurately.
As shown in figure 3, step S240 includes:
S241, resistance information is generated according to the resistance value of grounding point and detects the location information of grounding point；
S242, resistance information, location information are synthesized into testing result；
S243, testing result is sent to server.
When specifically used, the information such as current value when the testing result in step S242 can also be comprising lightning stroke, in order to rear
Continuous verification calculates.After testing result is sent to server, judge according to specific service condition the company of grounding point
Connect reliability.
When practical operation, after testing result feeds back to server, compared by the contrast module of server, to sentence
The reliability of disconnecting place connection.Specifically, after S243 further include:
S244, the reduced value that will test resistance information and setting in result compare, and can with comparing result judgement
By property；
If S245, comparing result are greater than reduced value, the connection of grounding point is unreliable；
If S246, comparing result are less than or equal to reduced value, the connection of grounding point is reliable.
Specifically, the comparison of reliability can also be carried out manually.
As shown in figure 4, a kind of ground line connection reliability test device, comprising: main control module 1, respectively with main control module 1
Thunder and lightning detection module 2, insulating resistance measuring module 3, the communication module 4 of electrical connection.
Wherein, thunder and lightning detection module 2, the current value of grounding point when for detecting lightning stroke, and current value is sent to master control
Module simultaneously saves.
Insulating resistance measuring module 3, the voltage difference at grounding point both ends when for detecting lightning stroke, and main control module 1 is combined to send out
The current value sent calculates the resistance value of grounding point, so that resistance value is sent to main control module 1.
In actual use, the equipment of production site access grounded screen is more, and therefore, the quantity of grounding point is also more, and each
Grounding point can all access a test device, and therefore, it is necessary to which each test device is numbered, and main control module 1 is mainly
For generating location information, resistance information, communication module 4 is mainly used for location information, resistance information being sent to server, clothes
Business device is known that it is which specific grounding point according to location information, which can be test device communicatively
Location, can also be with the fixed number of preset value main control module 1.
Communication module 4 can be wire communication, be also possible to the mode of wireless telecommunications, when it is implemented, according to practical feelings
Depending on condition.
It is above-mentioned that technology contents of the invention are only further illustrated with embodiment, in order to which reader is easier to understand, but not
It represents embodiments of the present invention and is only limitted to this, any technology done according to the present invention extends or recreation, by of the invention
Protection, protection scope of the present invention are subject to claims.
Claims (6)
1. a kind of ground line connection reliability test method characterized by comprising
The current value of grounding point when detection lightning stroke；
The voltage difference at grounding point both ends when detection lightning stroke；
The resistance value of grounding point is calculated according to the thunder-strike current value and voltage difference；
Testing result is generated according to the resistance value of grounding point and is occurred to server.
2. being grounded connection reliability test method according to claim 1, which is characterized in that the ground line connection is reliable
Property test method further include:
Server sends self-test inquiry message；
Receive the self-test inquiry message that server is sent；
According to self-test inquiry message to detection grounding point loading current；
Detect the voltage difference at grounding point both ends；
Judge whether grounding point is broken according to whether the voltage difference at grounding point both ends is infinitely great；
If so, grounding point is broken；
If it is not, then grounding point is connected；
Judging result is sent to server.
3. being grounded connection reliability test method according to claim 1, which is characterized in that the resistance according to grounding point
Value generates testing result and occurs
Resistance information is generated according to the resistance value of grounding point and detects the location information of grounding point；
Resistance information, location information are synthesized into testing result；
Testing result is sent to server.
4. being grounded connection reliability test method according to claim 3, which is characterized in that the transmission testing result is extremely
After server step further include:
The reduced value that will test resistance information and setting in result compares, and judges reliability with comparing result；If right
It is greater than reduced value than result, then the connection of grounding point is unreliable；
If comparing result is less than or equal to reduced value, the connection of grounding point is reliable.
5. a kind of ground line connection reliability test device characterized by comprising main control module, it is electric with main control module respectively
The thunder and lightning detection module of connection, insulating resistance measuring module, communication module；
The thunder and lightning detection module, the current value of grounding point when for detecting lightning stroke；
The insulating resistance measuring module voltage difference at grounding point both ends and calculates the resistance value of grounding point when for detecting lightning stroke；
The main control module, for generating location information, resistance information；
The communication module, for location information, resistance information to be sent to server.
6. being grounded connection reliability test device according to claim 4, which is characterized in that the ground line connection is reliable
System safety testing device further includes for the power module to detection grounding point loading current；The power module is electrically connected with main control module
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810010671.4A CN110007180A (en) | 2018-01-05 | 2018-01-05 | A kind of ground line connection reliability test method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810010671.4A CN110007180A (en) | 2018-01-05 | 2018-01-05 | A kind of ground line connection reliability test method and device |
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| CN110007180A true CN110007180A (en) | 2019-07-12 |
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| CN201810010671.4A Pending CN110007180A (en) | 2018-01-05 | 2018-01-05 | A kind of ground line connection reliability test method and device |
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Application publication date: 20190712 |