CN107247177A - Remote control distribution electrical verification and ground wire detector - Google Patents
Remote control distribution electrical verification and ground wire detector Download PDFInfo
- Publication number
- CN107247177A CN107247177A CN201710642399.7A CN201710642399A CN107247177A CN 107247177 A CN107247177 A CN 107247177A CN 201710642399 A CN201710642399 A CN 201710642399A CN 107247177 A CN107247177 A CN 107247177A
- Authority
- CN
- China
- Prior art keywords
- signal
- remote control
- electrical verification
- wire
- ground wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
-
- 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
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
-
- 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
- G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
- G01R27/18—Measuring resistance to earth, i.e. line to ground
-
- 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
- G01R27/205—Measuring contact resistance of connections, e.g. of earth connections
Abstract
The invention discloses a kind of remote control distribution electrical verification and ground wire detector, it includes wire clamp, insulated wire, intelligent detection device, optical cable, automation backstage, described wire clamp is clipped on wire, the tail end of wire clamp is connected by insulated wire with intelligent detection device, intelligent detection device is connected by optical cable with automation backstage, and described automation backstage has microprocessor, remote control unit and LCD display.The present invention is fixed on distribution line, has both and detects whether circuit is powered and detected whether to leave ground wire dual-use function, and remote real_time control function can be achieved, there is LCD display, buzzer and warning function.Megger detection means has buzzer, indicator lamp and voice triple early warning protection, user's operation is reminded in time, safeguard or the equipment of experiment on it is whether powered or still leave ground wire, be a kind of safety device with warning function.
Description
Technical field
The present invention relates to the electric power overhaul equipment used in operation operation, accident treatment and the upkeep operation of power matching network,
Specifically related to a kind of remote control distribution electrical verification and ground wire detector.
Background technology
Before power matching network service work starts, staff needs first to verify whether dead line is powered, generally using high
Electroscope is pressed to carry out electrical verification.Existing electroscope includes electrical verification portion, insulation division and shank part, and electrical verification portion and shank part are connected respectively
In being provided with alarm in the two ends of insulation division, electrical verification portion, the charge conversion that alarm detects detecting head is sound and light signal, is led to
The suggesting effect of alarm is crossed to judge whether equipment is powered.But, noise interference effect during due to substation operation causes police
The decibel that report device sounds the alarm is very faint, and human ear is difficult clearly to tell whether alarm alarms, it is impossible to accurate to judge
Whether Devices to test is powered.When existing electroscope carries out work high above the ground detection, Detection results are not obvious, and the occasion used has
Limit, is also one of the problem of power network is anxious to be resolved.After power matching network line maintenance end-of-job, dispatching of power netwoks personnel and operation are grasped
Making personnel need to constantly verify, and confirm that all ground wires have all been removed, can just close a floodgate power transmission.If distribution dead line scope is big,
Institute's hanging ground-wire is more, and artificial check has omission unavoidably.The accident case of power grid enterprises' line combined floodgate power transmission with ground according to data
Example is of common occurrence, and such a accident brings very big impact and destruction to the power equipment of operation, has a strong impact on power system security
Stable operation, is the unavoidable problem of power industry all the time.
If possessing remote control and local operation function with a kind of instrument, intuitively judge that distribution line to be measured is powered
Situation, and Detection results are obvious；It can also aid in operation operating personnel's detection and treat that power transmission distribution line ground wire has exhaustive situation,
It can reduce or avoid such contingency occurrence probability.
The content of the invention
It is an object of the invention to provide a kind of remote control distribution electrical verification and ground wire detector, it possesses inspection and had a power failure
Whether circuit is powered, whether there is and leaves two functions of ground wire, can in real time be controlled by remote control unit, and testing result is certainly
Dynamicization backstage is shown.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
Remote control distribution electrical verification and ground wire detector, including wire clamp, insulated wire, intelligent detection device, optical cable, automation
Backstage, described wire clamp is clipped on wire, and the tail end of wire clamp is connected by insulated wire with intelligent detection device, intelligent detection device
It is connected by optical cable with automation backstage, there is microprocessor, remote control unit and LCD to show on described automation backstage
Screen.
Described intelligent detection device includes electrical verification module and detection ground connection wire module, electrical verification module and detection ground wire mould
Block is connected by protection module, and electrical verification module and detection ground connection wire module are electrically connected with remote control unit respectively；Relay line
When circle is powered, protection module is opening；When relay coil is not powered, protection module is closure state, conduction detection
Ground wire part.
Described electrical verification module includes detecting head, alarm, signal generator, signal receiver and indicator lamp；It is described
Detecting head be metal probe, positioned at the front end of electrical verification module, it is sound that the charge conversion for detecting detecting head be connected with alarm
Optical signal, the signal generator includes emitter, and the emitter is by controlling circuit to be connected with detecting head, the control electricity
Charge conversion is charged signal by road, is launched charged signal to signal receiver by emitter, the signal receiver bag
Receiver and power supply are included, receiver is by controlling circuit to receive and recognize the charged signal, for receiving and recognizing
The charged signal, and drive the indicator lamp to send warning light.
Described detection ground connection wire module includes Insulation Resistance Tester, metal contact, self-contained battery and alarm；It is described
Insulation Resistance Tester produce high direct voltage using pulse-width modulation circuit, with linear current table as display and measure, such as
Fruit, which is detected on circuit, ground wire, then detection means shows high resistant numerical value, and the prompt tone that gives a warning, if being detected circuit
Upper no ground wire, then detection means display resistance is infinitely great；The metal contact is connected with Insulation Resistance Tester L ends, E ends with
Ground loop is connected, and G ends are connected with shading ring；The self-contained battery converts the high direct voltage produced by E poles as power supply through DC/DC
Go out and reach L poles by product to be tested, so that the electric current of a pole from E to L is produced, by controlling circuit to enter the charged signal
Row is received and identification.
Described alarm includes being used for the buzzer of sounding warning and the alarm lamp for light-emitting caution, the buzzer
It is connected respectively with control circuit with alarm lamp.
Described automation backstage includes signal processing apparatus and signal control device.
Described signal processing apparatus includes signal input unit, signal output unit, signal processing unit and communication
Cable.
Described signal output unit receives the control signal of remote control unit, and opening for intelligent detection device is controlled respectively
Open and close, the signal input unit is the information that processing comes from intelligent detection device transmission；Detection information by signal at
Reason cell translation is sent to control section into control signal；Finally by the communications cable by signal output to automating backstage.
Described signal control device includes signal input unit, signaling control unit, control signal output unit and control
Cable processed；Operating personnel carry out electrical verification to distribution line and examined to be grounded at device scene or automation backstage, the letter of operation
Number transmitted by controlling cable to control unit, remote control operation is carried out to device；Transmitted after Successful Operation to control signal
Output unit, completes control process.
Advantage for present invention is with beneficial effect：
Remote control distribution electrical verification of the present invention and ground wire detector, due to wire clamp, insulated wire, intelligent detection device,
Optical cable, automation backstage, described wire clamp are clipped on wire, and the tail end of wire clamp is connected by insulated wire with intelligent detection device,
Intelligent detection device is connected by optical cable with automation backstage, and described automation backstage has microprocessor, remote control list
Member and structure as LCD display, the present invention is fixed on distribution line, has both whether detection circuit is powered and detection is
It is no to leave ground wire dual-use function, remote real_time control function can be achieved, there is LCD display, buzzer and warning function.Shake
Table detection means has buzzer, indicator lamp and the triple early warning protections of voice, and user's operation, maintenance or experiment are reminded in time
It is whether powered or still leave ground wire in equipment, it is a kind of safety device with warning function.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the overall structure sectional view of remote control distribution line electrical verification of the present invention and ground wire detector；
Fig. 2 is intelligent detection device theory structure block diagram；
Fig. 3 is remote control distribution line electrical verification of the present invention and ground wire detector theory structure block diagram.
In figure：Wire 1；Wire clamp 2；Insulated wire 3；Intelligent detection device 4；Optical cable 5；Automate backstage 6.
Embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not limit
Qualitatively, it is impossible to the protection domain of invention is limited with this.
As shown in figure 1, remote control distribution electrical verification of the present invention and ground wire detector, including wire 1, wire clamp 2, insulation
Line 3, intelligent detection device 4, optical cable 5, automation backstage 6, described 2 fixations of wire clamp are led for connecting distribution line
Line 1 and insulated wire 3, wire clamp 2 are clipped on wire 1, and the tail end of wire clamp is connected with insulated wire 3, insulated wire 3 and intelligent detection device 4
It is connected, intelligent detection device 4 is connected by optical cable 5 with automation backstage 6.Insulated wire 3 passes the current information of detected circuit
Intelligent detection device 4 is passed, detection means 4 receives the remote information that automation backstage is transmitted by optical cable 5, and whether is detection circuit
Powered or whether there is and leave ground wire, testing result is shown in 6 on automation backstage by optical cable 5.
As shown in Fig. 2 described intelligent detection device 4 includes electrical verification module and detection ground connection wire module, the electrical verification mould
Block includes detecting head, alarm, signal generator, signal receiver and indicator lamp；The detection ground connection wire module includes exhausted
Edge resistance meter, metal contact, self-contained battery, alarm.
Described intelligent detection device 4 includes electrical verification module and detection ground connection wire module, electrical verification module and detection ground wire
Module is connected by protection module, and electrical verification module and detection ground connection wire module are connected with remote control unit respectively；Relay line
When circle is powered, protection module is opening；When relay coil is not powered, protection module is closure state, conduction detection
Ground wire part.
Described detecting head is metal probe, positioned at the front end of electrical verification module, is connected detect detecting head with alarm
Charge conversion is sound and light signal, and the signal generator includes emitter, and the emitter is by controlling circuit to connect with detecting head
Connect, it is described to control circuit to be charged signal by charge conversion, charged signal is launched to signal receiver by emitter, it is described
Signal receiver includes receiver and power supply, and receiver is used by controlling circuit to receive and recognize the charged signal
In reception with recognizing the charged signal, and the indicator lamp is driven to send warning light.
Described Insulation Resistance Tester produces high direct voltage using pulse-width modulation circuit, with linear current table as aobvious
Show and measure, if being detected on circuit has ground wire, detection means shows high resistant numerical value, and the prompt tone that gives a warning, such as
Fruit, which is detected on circuit, does not have ground wire, then detection means shows that resistance is infinitely great；The metal contact and Insulation Resistance Tester L
End connection, E ends are connected with ground loop, and G ends are connected with shading ring；The self-contained battery converts what is produced as power supply through DC/DC
High direct voltage is gone out by E poles reaches L poles by product to be tested, so that the electric current of a pole from E to L is produced, by controlling circuit pair
The charged signal is received and recognized；The alarm includes being used for the buzzer of sounding warning and for light-emitting caution
Alarm lamp, the buzzer and alarm lamp are connected with control circuit respectively.
Described automation backstage includes signal processing apparatus and signal control device.
Described signal processing apparatus includes signal input unit, signal output unit, signal processing unit and communication
Cable.
As shown in figure 3, described signal output unit receives the control signal of remote control unit, intelligence inspection is controlled respectively
Unlatching and the closure of device are surveyed, the signal input unit is the information that processing comes from detection means transmission；Detection information passes through
Signal processing unit is converted into control signal and is sent to control section；Finally by the communications cable by after signal output to automation
Platform.Direct current amplifying unit produces high direct voltage using pulse-width modulation circuit, with linear current table as showing and measuring on the spot, leads to
Cross wire to be connected at tester L ends with detection means metal contact, E ends are connected with ground loop, G ends are connected with shading ring.By machine
Interior battery converts the high direct voltage produced through DC/DC as power supply and gone out by E poles by product to be tested arrival L poles, so as to produce one
The electric current of the individual pole from E to L, is shown that subsequent signal is given after divider completes computing by microprocessor by LCD display
Buzzer warning.
Described signal control device includes signal input unit, signaling control unit, control signal output unit and control
Cable processed；Operating personnel carry out electrical verification to distribution line and examined to be grounded at device scene or automation backstage, the letter of operation
Number transmitted by controlling cable to control unit, remote control operation is carried out to device；Transmitted after Successful Operation to control signal
Output unit, completes control process.
Remote control distribution electrical verification and the straighforward operation of ground wire detector of the present invention need 2 people operation, and a people performs,
One people audits, and forbids one to be operated in the case of no monitoring.During straighforward operation if it is double run into it is super
Shi Wenti, should not be operated again, contact automation personnel.Contact operations staff is needed to confirm whether scene has before remote operation
Standby operating condition.
Claims (9)
1. remote control distribution electrical verification and ground wire detector, it is characterised in that：Including wire clamp, insulated wire, Intelligent Measurement dress
Put, optical cable, automation backstage, described wire clamp is clipped on wire, and the tail end of wire clamp passes through insulated wire and intelligent detection device phase
Even, intelligent detection device is connected by optical cable with automation backstage, and described automation backstage has microprocessor, remote control
Unit and LCD display.
2. remote control distribution electrical verification according to claim 1 and ground wire detector, it is characterised in that：Described intelligence
Energy detection means includes electrical verification module and detection ground connection wire module, and electrical verification module connects with detection ground connection wire module by protection module
Connect, electrical verification module and detection ground connection wire module are electrically connected with remote control unit respectively；When relay coil is powered, protection module
It is opening；When relay coil is not powered, protection module is closure state, conduction detection ground wire part.
3. remote control distribution electrical verification according to claim 2 and ground wire detector, it is characterised in that：Described tests
Electric module includes detecting head, alarm, signal generator, signal receiver and indicator lamp；Described detecting head is visited for metal
Pin, positioned at the front end of electrical verification module, it is sound and light signal that the charge conversion for detecting detecting head is connected with alarm, the signal hair
Raw device includes emitter, and the emitter is described to control circuit to be band by charge conversion by controlling circuit to be connected with detecting head
Electric signal, is launched charged signal to signal receiver by emitter, and the signal receiver includes receiver and power supply, connects
Receipts machine for receiving and recognizing the charged signal, and is driven by controlling circuit to receive and recognize the charged signal
The indicator lamp is set to send warning light.
4. remote control distribution electrical verification according to claim 2 and ground wire detector, it is characterised in that：Described inspection
Surveying ground connection wire module includes Insulation Resistance Tester, metal contact, self-contained battery and alarm；Described Insulation Resistance Tester
High direct voltage is produced using pulse-width modulation circuit, with linear current table is as display and measures, if being detected on circuit has
Ground wire, then detection means display high resistant numerical value, and the prompt tone that gives a warning, if being detected on circuit does not have ground wire, is examined
Survey device and show that resistance is infinitely great；The metal contact is connected with Insulation Resistance Tester L ends, and E ends are connected with ground loop, G ends
It is connected with shading ring；The self-contained battery converts the high direct voltage produced through DC/DC as power supply and gone out by E poles by product to be tested
L poles are reached, so that the electric current of a pole from E to L is produced, by controlling circuit to receive and recognize the charged signal.
5. remote control distribution electrical verification and ground wire detector according to claim 3 or 4, it is characterised in that：It is described
Alarm include being used for buzzer and the alarm lamp for light-emitting caution that sounding is warned, buzzer and the alarm lamp difference
It is connected with control circuit.
6. remote control distribution electrical verification according to claim 1 and ground wire detector, it is characterised in that：It is described from
Dynamicization backstage includes signal processing apparatus and signal control device.
7. remote control distribution electrical verification according to claim 6 and ground wire detector, it is characterised in that：Described letter
Number processing unit includes signal input unit, signal output unit, signal processing unit and the communications cable.
8. remote control distribution electrical verification according to claim 7 and ground wire detector, it is characterised in that：Described letter
Number output unit receives the control signal of remote control unit, and unlatching and the closure of intelligent detection device, the letter are controlled respectively
Number input block is the information that processing comes from intelligent detection device transmission；Detection information is converted into control by signal processing unit
Signal is sent to control section；Finally by the communications cable by signal output to automating backstage.
9. remote control distribution electrical verification according to claim 6 and ground wire detector, it is characterised in that：Described letter
Number control device includes signal input unit, signaling control unit, control signal output unit and controlling cable；The signal of operation
Transmitted by controlling cable to control unit, remote control operation is carried out to device；Transmitted after Successful Operation defeated to control signal
Go out unit, complete control process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710642399.7A CN107247177B (en) | 2017-07-31 | 2017-07-31 | Remote control distribution network electricity testing and grounding wire detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710642399.7A CN107247177B (en) | 2017-07-31 | 2017-07-31 | Remote control distribution network electricity testing and grounding wire detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107247177A true CN107247177A (en) | 2017-10-13 |
| CN107247177B CN107247177B (en) | 2020-05-19 |
Family
ID=60013087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710642399.7A Active CN107247177B (en) | 2017-07-31 | 2017-07-31 | Remote control distribution network electricity testing and grounding wire detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107247177B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567726A (en) * | 2021-07-21 | 2021-10-29 | 广东电网有限责任公司 | Ground wire installation safety monitoring device and ground wire |
| CN114114080A (en) * | 2021-11-22 | 2022-03-01 | 广东电网有限责任公司 | Ground wire detection system and method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107247177B (en) | 2020-05-19 |
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