CN109100573A - A kind of earthing test handheld terminal - Google Patents
A kind of earthing test handheld terminal Download PDFInfo
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- CN109100573A CN109100573A CN201811180607.7A CN201811180607A CN109100573A CN 109100573 A CN109100573 A CN 109100573A CN 201811180607 A CN201811180607 A CN 201811180607A CN 109100573 A CN109100573 A CN 109100573A
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- 238000012360 testing method Methods 0.000 title claims abstract description 140
- 239000004020 conductor Substances 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims abstract description 22
- 239000011241 protective layer Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 13
- 230000005611 electricity Effects 0.000 description 8
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 206010014357 Electric shock Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 208000003464 asthenopia Diseases 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
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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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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Computer Networks & Wireless Communication (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
本发明公开了一种接地测试手持终端，包括壳体、控制装置，控制装置设置在壳体内，控制装置包括控制器以及与控制器连接的无线通信模块，手持终端通过无线通信模块向接地测试装置发送测试控制指令，从而接地测试装置测试与接地测试装置连接的第一接地引下线以及第二接地引下线之间的导通电阻值，在整个地网测试过程中，测试工作人员之间无需通过手机或对讲机进行沟通，夹线人员在夹线后直接远程控制测试过程，提高了工作效率。
The invention discloses a hand-held terminal for grounding testing, which includes a housing and a control device. The control device is arranged in the housing. The control device includes a controller and a wireless communication module connected to the controller. The hand-held terminal communicates with the grounding testing device through the wireless communication module. Send the test control command, so that the grounding test device tests the conduction resistance value between the first grounding down-conductor and the second grounding down-conductor connected to the grounding tester. There is no need to communicate through mobile phones or walkie-talkies, and the clamping personnel can directly control the testing process remotely after clamping the wires, which improves work efficiency.
Description
Technical field
The present invention relates to substation ground network testing fields, in particular to a kind of earthing test handheld terminal.
Background technique
The electrical integrity of earthing or grounding means, which refers in earthing or grounding means, should be grounded between various electrical equipments, earthing or grounding means
Each section and the electrical connectivity between each equipment, i.e. DC resistance, also referred to as electrically conducting.The ground connection of power equipment
Reliable, the effective connection of downlead and earth mat is the basic guarantee of equipment safety operation.Down conductor is power equipment and ground
The coupling part of net, during the long-play of power equipment, junction is possible to influence because of factors such as dampness, saves
Phenomena such as point is corroded, is even broken causes down conductor and grounded screen tie point resistance to increase, to not be able to satisfy electric power rule
The requirement of journey, makes equipment there is hidden danger in operation, will cause the operation of equipment lost territory, also, earthing or grounding means when serious
Underground earthing pole and its coupling part corrosion, even phenomenon of rupture may also occur.Therefore, electricity periodically is carried out to earthing or grounding means
Gas integrity test is necessary.
To earthing or grounding means carry out electrical integrity test namely test earth mat conducting resistance, be it is a kind of scene repeat,
Cumbersome test needs two staff first to draw the p-wire on both sides respectively, and clip, will test at this stage when detecting
Instrument operates test by third staff, for the substation that 220kV and 500kV take up a large area, live clamp personnel
It is inconvenient to link up with instrument operator, generally require mobile phone or intercom linked up after instrument is controlled by instrument operator again
It is tested, and informs test result, such as determine that result is qualified, then replaced test point unlatching and measure next time, it is such as unqualified, then
Need to change clamp mode etc. to reach precise measurement effect.Therefore, the working efficiency of such mode is low, and greatly wastes
Manpower.
Summary of the invention
The purpose of the present invention is to provide a kind of earthing test handheld terminals, by the ground line for remotely controlling power equipment
With the continuity test of grounded screen, testing efficiency can be improved.
The present invention provides a kind of earthing test handheld terminal, including shell, control device, and the control device is arranged in institute
It states in shell, the control device includes controller and the wireless communication module that connect with the controller, the hand-held end
End by the wireless communication module to earthing test device send testing and control instruct so that the earthing test device according to
The first down conductor and the second down conductor that the testing and control instruction testing is connect with the earthing test device
Between conduction resistance value.
Optionally, the wireless communication module is described for receiving the conduction resistance value that the earthing test device is sent
Handheld terminal further includes the display screen of setting on the housing, and the display screen is connect with the controller, for showing
State conduction resistance value.
Optionally, at least one light sensor, the light sensor and the controller are additionally provided on the shell
Connection, for detecting ambient light variation, so that the controller adjusts the brightness of the display screen according to the ambient light.
Optionally, the handheld terminal further includes voice broadcast module, and the voice broadcast module and the controller connect
It connects, the conduction resistance value sent for broadcasting the earthing test device.
Optionally, be provided on the shell the first via hole for extending vertically through the shell front surface that is arranged successively with
And second via hole, the first grip part is formed between first via hole and second via hole.
Optionally, be additionally provided with third via hole on the shell, second via hole be located at first via hole with
Between the third via hole, the second grip part is formed between the third via hole and adjacent via hole.
Optionally, the handheld terminal further includes power module and power interface, and the power module includes battery,
For being during the test that the handheld terminal is powered, the power module can be filled by the power interface from external power supply
Electricity.
Optionally, the wireless communication module is communicated by antenna with the earthing test device, is arranged on the shell
Have an antennal interface, the antenna can be inserted into or be removed from the handheld terminal by the antennal interface, thus the antenna with
The wireless communication module connects or disconnects.
Optionally, the handheld terminal further includes the storage unit connecting with the controller, is provided on the shell
The USB interface being connect with the storage unit, so that the electric conduction that the handheld terminal will save in the storage unit
Resistance value exports in the external equipment connecting with the USB interface.
Optionally, the outside of first grip part and second grip part is enclosed with electro-insulating rubber protective layer.
Compared with prior art, the earthing test handheld terminal provided through the invention, in the case where carrying out power equipment grounding lead
When line and the continuity test of grounded screen, remote controlled earthing test device tests the conduction resistance value of earth-return circuit,
The handheld terminal wirelessly realizes that the control to ground connection test device solves the substation taken up a large area
Live clamp personnel and instrument operator link up inconvenience, waste of manpower, the time-consuming serious problem of test process in the prior art,
The working strength for reducing staff, improves work efficiency.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, alternative embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention
Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as
It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 shows the application schematic diagram of earthing test handheld terminal provided by the present invention；
Fig. 2 shows the schematic diagrames of earthing test handheld terminal；
Fig. 3 shows another schematic diagram of earthing test handheld terminal.
Icon:
Shell -10；Control device -11；Controller -110；Wireless communication module -112；Display screen -201；First conducting
Hole -211；Second via hole -212；Third via hole -213；Power interface -220；Battery capacity indication lamp -221；USB interface -222；
Antennal interface -223.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.
In the description of the present invention, it is also necessary to explanation, herein, such as first and second or the like relationship art
Language is only used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying this
There are any actual relationship or orders between a little entities or operation.The terms "include", "comprise" or its it is any its
He is intended to non-exclusive inclusion by variant, so that the process, method, article or equipment including a series of elements is not
Only include those elements, but also including other elements that are not explicitly listed, or further include for this process, method,
Article or the intrinsic element of equipment.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in the process, method, article or apparatus that includes the element.For
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
With reference to the accompanying drawing, it elaborates to some embodiments of the present invention.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
Grounded screen is made of vertically and horizontally earthing pole, is used for power plant, substation, is had aerial drainage concurrently and is pressed
The horizontal mesh earthing or grounding means of effect, and being grounded is that metal between the position that power equipment should be grounded and underground earthing pole is led
Body, also referred to as down conductor.Down conductor is the coupling part of power equipment and grounded screen, is transported for a long time in power equipment
After row, junction, which is likely to occur corrosion, causes down conductor and grounded screen tie point resistance to increase, and present embodiments provides one
Kind of earthing test handheld terminal, the first down conductor that remote controlled field test instrument test is connect with test equipment with
And the second conduction resistance value between down conductor, and then the electrical integrity of comprehensive descision power equipment earthing or grounding means.
Earthing test handheld terminal in the present embodiment can be used for remotely controlling live earthing test device and carry out power transformation
The down conductor and grounded screen continuity test stood, refering to fig. 1, the handheld terminal include shell 10, control device 11, control dress
11 settings are set inside shell 10, control device 11 includes controller 110 and the wireless communication module connecting with controller 110
112, module 112 instructs handheld terminal to the transmission testing and control instruction of earthing test device, the testing and control by wireless communication
Earthing test device can be controlled start test the first down conductor and second that connect at this time with earthing test device and connect
Conduction resistance value between ground downlead.
Under a kind of optional application scenarios, earthing test device by test clamp respectively with the first down conductor with
And the second down conductor connection, it is constant that test clamp connects one of down conductor, using the first down conductor as
Permanent datum, and earthing test device is opened, further, staff carries the handheld terminal, changes another test
Wire clamp is connected from different down conductor, errorless and after contacting well in exact p-value wire clamp and down conductor connection, then
Testing and control instruction can be sent to earthing test device by the handheld terminal, be connect so that earthing test device starts test two
Conduction resistance value between ground downlead.
In above scheme, by the handheld terminal, it can be achieved that long-range control to entire continuity test process, staff
It only needs the test clamp for carrying the handheld terminal and connecting with p-wire, test point is followed constantly to move, then it is remote controlled
Entire test process starts to test again between test job personnel, live clamp people without being linked up with mobile phone or intercom
Member directly can control earthing test device by the handheld terminal after the completion of clamp and start to test, and effectively increase work effect
Rate.
Test key is provided on the shell of handheld terminal, test key is connect with controller, test key is being pressed,
When key is closed, triggering the controller, module is to the transmission testing and control instruction of earthing test device by wireless communication, to connect
Ground test device starts the conduction resistance value tested between two down conductors, and the conduction resistance value of acquisition can be stored directly in
In earthing test device, it can also be sent data to by Serial Port Line in the computer being connect with earthing test device, and can pass through
Another staff observes the down conductor and another down conductor for the power equipment currently tested in real time before computer
Between D.C. resistance, to judge the electrical integrity of the power equipment.
Optionally, it is hand-held that the conduction resistance value that earthing test device obtains can be sent to this by internal radio communication module
Terminal, module 112 parses wireless signal to the handheld terminal by wireless communication, and conducting resistance data are sent to control
Device 110, as one of embodiment, received conduction resistance value is stored directly in internal storage unit by handheld terminal
In, it can be used as data backup, in order to which the later period checks, another embodiment is, referring to Fig.2, in the shell of the handheld terminal
It is equipped with display screen 201, display screen 201 is connect with controller, and the conduction resistance value in controller can be direct by display screen 201
It is shown on interface, so as to clamp, personnel are directly viewable test result, wherein display screen 201 can be liquid crystal display.
By the liquid crystal display being arranged on handheld terminal, staff passes through nothing in the position far from test equipment
Line mode, which controls, tests the conducting resistance of down conductor, and test result is back to handheld terminal in real time, in hand
Conduction resistance value can be directly displayed by holding on the liquid crystal display of terminal, tester is facilitated directly to differentiate, guarantee test peace
, it can be achieved that a staff is only needed to complete entire test process under the premise of complete, staff carry the handheld terminal and
Test clamp directly controls test process, and obtain test result in real time after the completion of wiring, and can pass through liquid crystal display
On resistance value judge the conducting situation of power equipment and grounded screen, convenient test, good portability is easy to operate, reduces work
Make the quantity of personnel and the labor intensity of staff, improves work efficiency.
Judge the conducting situation of power equipment and grounded screen specifically, obtaining above by the resistance value on liquid crystal display
After getting the conduction resistance value between two down conductors, is compared with continuity test testing regulations, can determine whether and know earth mat
Conducting situation.Its conduction resistance value of equipment in order should be in 50m Ω hereinafter, conduction resistance value is 50m Ω -200m Ω
Status of equipment it is fine, its variation can be paid close attention in test from now on, important equipment should be checked at the appropriate time
Processing, conduction resistance value are that the status of equipment of 200m Ω -1 Ω is bad, if equipment is located at the section, important equipment should be as early as possible
Inspection processing, other equipment can inspection at the appropriate time processing, and conducting resistance be 1 Ω or more equipment do not connect with grounded screen then
It connects, inspection should handle as early as possible, avoid power equipment lost territory from running, cause safety accident.Therefore, if on discovery liquid crystal display
Conduction resistance value test value more than 50m Ω when, verifying should be tested repeatedly.
Optionally, at least one light sensor (not shown go out), the light sensor and controller are additionally provided on shell
Connection, the variation of ambient enviroment light can be acquired, and ambient brightness is transmitted in controller, thus controller according to
The brightness of the ambient light adjustment display screen 201 of light sensor acquisition, therefore, during the test, the brightness of display screen
It can be with surrounding enviroment light automatic regulating lightness, convenient for read test result under various circumstances；Its specific embodiment can
With the embodiment referring to the variation of the luminance dynamic of display screen in the prior art, this will not be repeated here.
Optionally, which further includes sound broadcasting device connected to the controller, and controller receives earthing test
The conduction resistance value that device returns in real time shows the resistance value on display screen 201, meanwhile, pass through the voice broadcast module
The resistance value is broadcasted, during remotely controlling substation ground network continuity test using the handheld terminal, Neng Goutong
Step casting test result, tester without observing the test result on display screen, effectively mitigation eye fatigue always；It is specific
Embodiment is referred to the embodiment of voice broadcast in the prior art, and this will not be repeated here.
In Fig. 2, hold the terminal device for the ease of staff, set on the shell of the terminal device there are two according to
The first via hole 211 and the second via hole 212 of secondary arrangement, the front surface that two via holes extend vertically through shell form two
It is a hollow, the first grip part is formed between two via holes, hand can be held in this when holding the terminal device by staff
First grip part；It is understood that for the ease of hands grasping, can also be equipped on shell and the first via hole 211, the
The identical third via hole 213 of two via hole 212, three via holes are arranged successively, and are formed and are held between two neighboring via hole
Portion, third via hole 213 and adjacent via hole form the second grip part, and therefore, during the test, staff can be double
Hand holds the handheld terminal, makes to operate more flexible and convenient, and can guarantee that handheld terminal is not fallen in test process.
Further, entire handheld terminal can be made of the epoxide resin material with preferable insulation and mechanical performance,
Danger Electric shock risk caused by not having because of equipment leakage is enclosed with electro-insulating rubber in the outside of the first grip part and the second grip part
Protective layer, can effective protection staff, prevent from getting an electric shock.
Optionally, refering to Fig. 3, which further includes power module and power interface 220, and power module can be
Battery, battery are electrically connected with the modules of handheld terminal, can be powered for the modules of handheld terminal, test
In the process without picking up external power supply, battery is connect with the power switch on handheld terminal shell, and when use can pass through power supply
The voltage output or disconnection of switch control battery, also, the setting of power interface 220 connects in hull outside and with power module
It connects, power interface 220 can be alternating current 220V power interface, can be power module by power interface 220 when the power is insufficient
Charging.
Optionally, it is the residue convenient for intuitively showing electricity, battery capacity indication lamp 221, battery capacity indication can be set on shell
Lamp 221 is connect with power module, monitors the remaining capacity of power module, battery capacity indication lamp 221 can by different colors come
Indicate the electricity of battery current residual, electricity is sufficient normal, and yellow represents current electric quantity lower than the first threshold for example, green represents
Value (such as can be 30%), prompting needs to access external power supply and charges, and red represents current electric quantity lower than second threshold
(such as can be 5%), electricity wretched insufficiency can be flashed by duration and staff reminded to need external power supply at once, no
It can automatic shutdown after then electricity exhausts.
Optionally, storage unit connected to the controller, received conduction resistance value in controller are equipped in handheld terminal
On the one hand it is stored directly in storage unit, is on the other hand shown on interface by display screen 201, and be accompanied by voice broadcast
Test result, another embodiment are that data saving button is equipped on handheld terminal, which connect with controller, hand
Hold terminal controller receive the conduction resistance value of earthing test device transmission after, directly it will be shown on display screen 201,
After measured value is stablized, if staff confirms that this test result without obvious exception, can press data and save health care, triggering
Controller saves the data in the memory unit.The USB interface 222 connecting with storage unit is equipped in the outside of shell,
It, can be complete by test data using USB flash disk or external access arrangement by the USB interface that is connected with storage unit after the completion of test
Portion directly exports or the export of optional part.
Optionally, wireless communication module is communicated by realizing between antenna and earthing test device in handheld terminal, with biography
The wire transmission mode of system is compared, and wireless transmission is more flexible, and control mode is simpler, and wireless signal can be from wireless communication
Transmitter in module is issued to receiver and receives without cable, and the wireless signal of sending is carried out with electromagnetic wave by air
It transmits, the wireless signal of wireless communication module reaches antenna from transmitter in the handheld terminal, and antenna is using signal as a series of
Electromagnetic radiation is into air, and by air borne, the receiver for being grounded the wireless module in test device receives signal.
Be equipped with antennal interface 223 on handheld terminal, antenna can be inserted into from handheld terminal by the antennal interface 223 or
It removes, fast and easy connects or remove antenna, after completing test process, antenna can be removed from handheld terminal and properly protected
It deposits, avoids in the handling process damaging antenna.
It should be noted that carrying out exchanging for information between handheld terminal and earthing test device, it is connected on antenna
The transceiver of handheld terminal and the transceiver of earthing test device must all be adjusted to identical frequency.
It should also be noted that, module remote-controlled grounding test device measures electric power to the handheld terminal by wireless communication
Conduction resistance value between the down conductor and grounded screen of equipment carrys out the grounding connection situation of detection device, can will be measured
Data decide whether to carry out subsequent to excavate inspection compared with all previous data by analysis；Optional another application scene is to be grounded
Test device is connect with low resistance resistance both ends, by the remote controlled test device of the handheld terminal to the electricity of low resistance resistance
Resistance value measures.
It should be appreciated that should also include software program in handheld terminal in the present embodiment, realizes electric current selection, surveys
The basic functions such as examination, reset discharge, system setting, handheld terminal shell are equipped with setting button, electric current select button, data and lead
Button, involution button etc. out, are electrically connected with controller 110, and electric current select button can be used for selecting different size of current, example
Such as 1A, 2A, 5A, 10A, different size of current is applicable to different substation ground network tests, by the electric current select button,
Controller 110 sends different testing and control instructions to earthing test device, so that earthing test device internal current source is to set
The size of current set is tested, and involution button, which is used to test the last time, carries out self discharge, and the handheld terminal is made to be in original
Beginning test mode waits the arrival of test command next time, and the multiple buttons being arranged on shell can be according to each push button function
Frequent operation degree is configured arrangement；Its software program is specifically referred to software program in continuity test instrument in the prior art
Implementation does not do more repeat herein.
The invention has the advantages that by the handheld terminal, power equipment down conductor and grounded screen are being carried out
When continuity test, remote controlled earthing test device tests the conduction resistance value of earth-return circuit, and the handheld terminal is logical
It crosses wireless mode and realizes that the control to ground connection test device solves existing in the prior art the substation taken up a large area
It is inconvenient that field clamp personnel and instrument operator are linked up, and needs to carry the problem of test equipment gets around, reduces work people
The working strength of member, improves work efficiency.
The foregoing is merely alternative embodiments of the invention, are not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811180607.7A CN109100573A (en) | 2018-10-09 | 2018-10-09 | A kind of earthing test handheld terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811180607.7A CN109100573A (en) | 2018-10-09 | 2018-10-09 | A kind of earthing test handheld terminal |
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| CN109100573A true CN109100573A (en) | 2018-12-28 |
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| CN201811180607.7A Pending CN109100573A (en) | 2018-10-09 | 2018-10-09 | A kind of earthing test handheld terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557757A (en) * | 2020-12-08 | 2021-03-26 | 国网宁夏电力有限公司中卫供电公司 | Portable display instrument and underground lead resistance testing system |
| CN114089219A (en) * | 2021-11-10 | 2022-02-25 | 国网辽宁省电力有限公司本溪供电公司 | Novel conduction test device for telemetering ground net |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201965184U (en) * | 2010-12-28 | 2011-09-07 | 西安亚能电气有限责任公司 | Split type grounding downlead conduction resistance test instrument |
| CN103792432A (en) * | 2014-01-15 | 2014-05-14 | 北京东方计量测试研究所 | Earth resistance meter and handheld terminal |
| CN203881891U (en) * | 2014-06-16 | 2014-10-15 | 国家电网公司 | Transformer grounding downlead conduction state inspection device |
| CN104502725A (en) * | 2014-11-21 | 2015-04-08 | 国家电网公司 | Grounding resistance measurement instrument terminal data acquisition system and method |
| CN105548789A (en) * | 2015-11-27 | 2016-05-04 | 国家电网公司 | Underground lead connection test system |
| CN106771631A (en) * | 2016-12-27 | 2017-05-31 | 西安亚能电气有限责任公司 | A kind of down conductor conducting resistance test device |
| CN107015097A (en) * | 2017-04-28 | 2017-08-04 | 国网河南省电力公司电力科学研究院 | A kind of single wireless measurement device of down conductor conduction |
| CN207067294U (en) * | 2017-05-16 | 2018-03-02 | 武汉拓普联合电力设备有限公司 | A kind of down conductor continuity test instrument |
| CN207882240U (en) * | 2018-02-27 | 2018-09-18 | 深圳市良源通科技有限公司 | A kind of indoor and outdoor environment comprehensive tester based on mobile terminal test |
-
2018
- 2018-10-09 CN CN201811180607.7A patent/CN109100573A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201965184U (en) * | 2010-12-28 | 2011-09-07 | 西安亚能电气有限责任公司 | Split type grounding downlead conduction resistance test instrument |
| CN103792432A (en) * | 2014-01-15 | 2014-05-14 | 北京东方计量测试研究所 | Earth resistance meter and handheld terminal |
| CN203881891U (en) * | 2014-06-16 | 2014-10-15 | 国家电网公司 | Transformer grounding downlead conduction state inspection device |
| CN104502725A (en) * | 2014-11-21 | 2015-04-08 | 国家电网公司 | Grounding resistance measurement instrument terminal data acquisition system and method |
| CN105548789A (en) * | 2015-11-27 | 2016-05-04 | 国家电网公司 | Underground lead connection test system |
| CN106771631A (en) * | 2016-12-27 | 2017-05-31 | 西安亚能电气有限责任公司 | A kind of down conductor conducting resistance test device |
| CN107015097A (en) * | 2017-04-28 | 2017-08-04 | 国网河南省电力公司电力科学研究院 | A kind of single wireless measurement device of down conductor conduction |
| CN207067294U (en) * | 2017-05-16 | 2018-03-02 | 武汉拓普联合电力设备有限公司 | A kind of down conductor continuity test instrument |
| CN207882240U (en) * | 2018-02-27 | 2018-09-18 | 深圳市良源通科技有限公司 | A kind of indoor and outdoor environment comprehensive tester based on mobile terminal test |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557757A (en) * | 2020-12-08 | 2021-03-26 | 国网宁夏电力有限公司中卫供电公司 | Portable display instrument and underground lead resistance testing system |
| CN114089219A (en) * | 2021-11-10 | 2022-02-25 | 国网辽宁省电力有限公司本溪供电公司 | Novel conduction test device for telemetering ground net |
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