CN201233408Y - Electric voltage test clamp and electricity stealing on-line searching instrument - Google Patents
Electric voltage test clamp and electricity stealing on-line searching instrument Download PDFInfo
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- CN201233408Y CN201233408Y CNU2008201479704U CN200820147970U CN201233408Y CN 201233408 Y CN201233408 Y CN 201233408Y CN U2008201479704 U CNU2008201479704 U CN U2008201479704U CN 200820147970 U CN200820147970 U CN 200820147970U CN 201233408 Y CN201233408 Y CN 201233408Y
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Abstract
The utility model relates to an electric quantity measuring instrument, and in particular relates to a voltage test clamp and an electricity-stealing online examination instrument; the voltage test clamp comprises a clamp body that comprises an upper conducting clamp body, a lower conducting clamp body, a connection shaft and a clamping spring; the handle end of the upper and the lower conducting clamp bodies or the outer surface of the upper and the lower conducting clamping bodies excepting a holding nozzle is provided with an insulation sleeve; a conducting probe is fixed in an upper holding nozzle or a lower holding nozzle; the electricity-stealing online examination instrument comprises a voltage test clip, a test host machine and a current mutual inductor; a detection circuit in the test host machine comprises a main control module, an electric energy measuring module, a power source module, a display module and a keypad; the voltage test clip and the current mutual inductor are connected with the input end of the electric energy measuring module; a communication end and a control end of the electric energy measuring module are connected with the main control module; the power source module supplies power to the main control module and the electric energy measuring module. The voltage test clamp is convenient to use, and the electricity-stealing online examination instrument has true and reliable detection results and convenient operation.
Description
(1), technical field: the utility model relates to electrical measuring instrument, particularly a kind of voltage tester folder and the online instrument of searching of stealing.
(2), background technology: lose 1,500,000,000 kwh electric weight according to the electric system of the annual China of statistics because of stealing, make comprehensive line loss per unit rise about 0.2%, this is a very surprising data, well imagines to the economic loss that electric system brings thus.At present, the instrument that stealing is looked at existing scene can detect the error of electric energy meter, and for the electric energy meter of artificial replacing counter, though detected error is normal, but the electric weight of record is undesired, and general on-site calibrator can not detect.Usually, when electric energy meter being done further accurately verification, the electrician will adorn a reference table and come and problematic electric energy meter contrast, this method needs to have a power failure, take out stitches, the big user that loads also needs to install mutual inductor, bother very much, and can cause electric stealer's attention, cause the contradiction of user and power supply department.
(3), utility model content:
The technical problems to be solved in the utility model is: at the prior art deficiency, a kind of voltage tester easy to use folder is provided, provide true and reliable, the easy to operate stealing of a kind of testing result the online instrument of searching simultaneously, it can find various forms of stealings in the scene under the situation of not cutting off the power supply, not tearing open table, motionless lead.
The technical solution of the utility model:
A kind of voltage tester folder, contain, under conduct electricity clamp, coupling shaft and fastening spring, fastening spring is sleeved on the coupling shaft, connecting bushing is last, conduct electricity down in the axle bed of clamp, the fastening spring two ends in the opposite direction respectively the card be pressed in, conduct electricity the following of clamp down, on the upper surface, make, under conduct electricity the clamp retaining clip and hold contact, at the handle end plus-pressure it is opened, on, conduct electricity down the handle end outside surface of clamp or except that the clamping mouth on, following conductive clip external surface is fixed with insulation sleeve, last, conduct electricity the last clamping mouth of clamp or down vertically be fixed with a conducting probe in the clamping mouth down.
Conducting probe is cylindrical or prismatic, and the end of conducting probe is sharp taper shape or cusped edge taper, and the clamping mouth is a profile of tooth clamping mouth.
The rear end of last clamping mouth and following clamping mouth is provided with mutual corresponding groove, these two mutual corresponding groove are a hole altogether, this hole can increase the contact area of clamping mouth and lead, on conduct electricity clamp or down the handle end of conduction clamp be connected also conducting with lead or conductive jack seat.
Jack on the conductive jack seat is a standard jacks.
A kind of online instrument of searching of stealing that contains described voltage tester folder, also contain the Test Host summation current transformer, contain testing circuit in the Test Host, testing circuit contains main control module, the electric energy metrical module, power module, display module and keyboard, described voltage tester folder summation current transformer is connected with the input end of electric energy metrical module, the communication terminal of electric energy metrical module is connected with main control module with control end, main control module also is connected with keyboard with display module, the input end of power module is connected with the voltage tester folder, and its output terminal is connected with the electric energy metrical module with main control module.
Main control module contains microprocessor and DLL (dynamic link library), the input of DLL (dynamic link library) and microprocessor delivery outlet be connected; The electric energy metrical module contains electric energy metering machine, the voltage signal change-over circuit, current signal change-over circuit and impulse output circuit, the voltage tester folder is connected with the input end of voltage signal change-over circuit, the output terminal of voltage signal change-over circuit is connected with the voltage signal input end of electric energy metering machine, current transformer is connected with the input end of current signal change-over circuit, the output terminal of current signal change-over circuit is connected with the current signal input end of electric energy metering machine, impulse output circuit contains photoelectrical coupler, battery and pulse output interface, the pulse signal output end of electric energy metering machine is connected with the pulse output interface by photoelectrical coupler, the positive pole of battery is connected with the pulse output interface, the minus earth of battery, the input of the PORT COM of electric energy metering machine and control port and microprocessor delivery outlet be connected; Display module contains LCD, the data port of LCD and control mouthful and the input of microprocessor delivery outlet be connected; Power module contains three end off-line type PWM switches, transformer and voltage stabilizer.
The model of microprocessor is ATMEGA16, the model of electric energy metering machine is ATT7022, the model of LCD is RD-SB02A, the model of three end off-line type PWM switches is TOP210PFI, the model of voltage stabilizer is TL431C, current transformer is a split core type current transformer, and the quantity of voltage tester folder is two.
The current signal change-over circuit contains resistance R A5, RA6, RA7, R11, R12 and capacitor C A3, CA4, resistance R A5 is attempted by the input end of current signal change-over circuit, the two ends of resistance R A5 are connected with V1N with the current signal input end V1P of electric energy metering machine with RA7 by resistance R A6 respectively, the current signal input end V1P of electric energy metering machine and V1N are respectively by capacitor C A3 and CA4 ground connection, be attempted by between the current signal input end V1P and V1N of electric energy metering machine after resistance R 11 and the R12 series connection, the tie point of resistance R 11 and R12 is connected with the reference voltage output end REFOUT of electric energy metering machine; Described voltage signal change-over circuit contains resistance R A1, RA2, RA3, RA4, R17, R18 and capacitor C A1, CA2, C19, an input end of voltage signal change-over circuit is connected with the end of resistance R A1, between the other end of its another input end and resistance R A1 and be connected to resistance R A2, the two ends of resistance R A2 are connected with V2N with the voltage signal input end V2P of electric energy metering machine with RA4 by resistance R A3 respectively, the voltage signal input end V2P of electric energy metering machine and V2N are respectively by capacitor C A1 and CA2 ground connection, be attempted by between the voltage signal input end V2P and V2N of electric energy metering machine after resistance R 17 and the R18 series connection, the tie point of resistance R 17 and R18 is connected with the reference voltage output end REFOUT of electric energy metering machine, between the reference voltage output end REFOUT of electric energy metering machine and the ground and be connected to capacitor C 19, the current signal input end V3N of electric energy metering machine, V3P, V5N, V5P and voltage signal input end V4N, V4P, V6N, V6P links together and is connected with the reference voltage output end REFOUT of electric energy metering machine by resistance R 13; The power valve of described photoelectrical coupler is anodal to be connected with the pulse output end CF1 of electric energy metering machine by resistance R 16, and the two ends of the receiving tube of photoelectrical coupler are connected with the pulse output interface.
Keyboard contains " shutdown " key, " adjustment " key, " selection " key, " setting " key and " browsing " key, use when this stealing is online searches instrument user's gauging table is detected, earlier two voltage tester folders are connected with Test Host with split core type current transformer, then two voltage tester folders are clipped in respectively on two electric power incoming lines of user's gauging table, make the conducting probe in the voltage tester folder puncture power lead crust and power lead connection, again split core type current transformer is stuck on the corresponding electric power incoming line (phase line) according to direction of current, open Test Host, just can detect, copy and accept earlier current the online energy value of searching instrument and user's gauging table of stealing before detecting simultaneously, size according to actual load keeps a period of time (several minutes～a few hours) then, time to after copy and accept the online energy value of searching instrument and user's gauging table of a deuterzooid stealing again, and take off the online instrument of searching of this stealing, the data of copying and accepting for twice according to front and back are the error that computable analysis goes out user's gauging table.
The beneficial effects of the utility model:
1, voltage tester of the present utility model is clipped in and is used for obtaining voltage signal when electric energy meter detects, and it can be clipped on the lead and make the conducting probe on it insert the inner and lead connection of lead, and is very easy to use; In addition, handle end or the upper and lower conductive clip external surface except that the clamping mouth of going up conduction clamp and following conduction clamp of the present utility model is provided with insulation sleeve, uses safe and reliable.
2, the online instrument of searching of stealing of the present utility model adopts split core type current transformer to obtain current signal, adopts the voltage tester folder to obtain voltage signal, can carry out the detection of electric energy meter like this under the situation of not cutting off the power supply, not tearing open table, motionless lead, and is easy to operate.
3, the utility model adopts the online electric energy metrical value of searching instrument of stealing directly to compare with the count value of tested table counter, and testing result is true and reliable.
4, the online instrument of searching of stealing of the present utility model adopts electric energy metering machine to carry out electric energy measurement, can not only detect electric energy, can also detect voltage, electric current, frequency and power factor, for the management of electric system line loss provides foundation.
(4), description of drawings:
One of structural representation that Fig. 1 presss from both sides for voltage tester;
Fig. 2 dissects structural representation for the part of Fig. 1;
Fig. 3 is two of the structural representation of voltage tester folder;
Fig. 4 is the right TV structure synoptic diagram of Fig. 3;
Fig. 5 is three of the structural representation of voltage tester folder;
Fig. 6 dissects structural representation for the part of Fig. 5;
Fig. 7 is four of the structural representation of voltage tester folder;
Fig. 8 is five of the structural representation of voltage tester folder;
Fig. 9 is six of the structural representation of voltage tester folder;
Figure 10 is the online theory diagram synoptic diagram of searching the testing circuit of instrument of stealing;
Figure 11 is the principal diagram intention of main control module, display module and keyboard;
Figure 12 is the principal diagram intention of electric energy metrical module;
Figure 13 is the principal diagram intention of power module;
(5), embodiment:
Embodiment one: referring to Fig. 1, Fig. 2, Figure 10～Figure 13, among the figure, voltage tester has been embedded conduction clamp 1, under conduct electricity clamp 2, coupling shaft 3 and fastening spring, fastening spring is sleeved on the coupling shaft, coupling shaft 3 is enclosed within the axle bed of conduction clamp 1 and following conduction clamp 2, the fastening spring two ends in the opposite direction respectively card be pressed in conduction clamp 1 and conduct electricity the following of clamp 2 down, on the upper surface, make conduction clamp 1 keep clampings to contact with following conduction clamp 2, at the handle end plus-pressure it is opened, last conduction clamp 1 and down the handle end outside surface of conduction clamp 2 be fixed with insulation sleeve 4, vertically be fixed with a conducting probe 5 in the following clamping mouth of clamp conducting electricity down.
Conducting probe 5 is cylindrical, and the end of conducting probe 5 is that point is conical, and clamping mouth 6 is a profile of tooth clamping mouth, and the handle end of following conduction clamp 2 is connected with lead 7 and conducting.
The online instrument of searching of stealing contains described voltage tester folder, the Test Host summation current transformer, contain testing circuit in the Test Host, testing circuit contains main control module 11, the electric energy metrical module, power module, display module 12 and keyboard 13, voltage tester folder A, voltage tester folder B summation current transformer is connected with the input end of electric energy metrical module, the communication terminal of electric energy metrical module is connected with main control module 11 with control end, main control module 11 also is connected with keyboard 13 with display module 12, the input end of power module and voltage tester folder A, voltage tester folder B connects, and its output terminal is connected with the electric energy metrical module with main control module 11.
The model of microprocessor U1 is ATMEGA16, the model of electric energy metering machine U3 is ATT7022, and the model of LCD U2 is RD-SB02A, and the model of three end off-line type PWM switch U4 is TOP210PFI, the model of voltage stabilizer D6 is TL431C, and current transformer is a split core type current transformer.
The PORT COM DOUT of electric energy metering machine U3, DIN, SCLK, CS and control port SIG, REST respectively with the input of microprocessor U1 delivery outlet PB6, PB5, PB7, PB2, PB3, PB4 be connected; Current signal change-over circuit 15 contains resistance R A5, RA6, RA7, R11, R12 and capacitor C A3, CA4, resistance R A5 is attempted by the input end of current signal change-over circuit 15, the two ends of resistance R A5 are connected with V1N with the current signal input end V1P of electric energy metering machine U3 with RA7 by resistance R A6 respectively, the current signal input end V1P of electric energy metering machine U3 and V1N are respectively by capacitor C A3 and CA4 ground connection, be attempted by between the current signal input end V1P and V1N of electric energy metering machine U3 after resistance R 11 and the R12 series connection, the tie point of resistance R 11 and R12 is connected with the reference voltage output end REFOUT of electric energy metering machine U3; Voltage signal change-over circuit 14 contains resistance R A1, RA2, RA3, RA4, R17, R18 and capacitor C A1, CA2, C19, an input end of voltage signal change-over circuit 14 is connected with the end of resistance R A1, between the other end of its another input end and resistance R A1 and be connected to resistance R A2, the two ends of resistance R A2 are connected with V2N with the voltage signal input end V2P of electric energy metering machine with RA4 by resistance R A3 respectively, the voltage signal input end V2P of electric energy metering machine U3 and V2N are respectively by capacitor C A1 and CA2 ground connection, be attempted by between the voltage signal input end V2P and V2N of electric energy metering machine U3 after resistance R 17 and the R18 series connection, the tie point of resistance R 17 and R18 is connected with the reference voltage output end REFOUT of electric energy metering machine U3, between the reference voltage output end REFOUT of electric energy metering machine U3 and the ground and be connected to capacitor C 19, the current signal input end V3N of electric energy metering machine U3, V3P, V5N, V5P and voltage signal input end V4N, V4P, V6N, V6P links together and is connected with the reference voltage output end REFOUT of electric energy metering machine U3 by resistance R 13; The power valve of photoelectrical coupler U5 is anodal to be connected with the pulse output end CF1 of electric energy metering machine U3 by resistance R 16, and the two ends of the receiving tube of photoelectrical coupler U5 are connected with the pulse output interface.
Embodiment two: referring to Fig. 3, Fig. 4, Figure 10～Figure 13, numbering is identical with embodiment one among the figure, the same meaning of representative, its course of work is also basic identical, something in common does not repeat, difference is: the handle end of conduction clamp 2 is connected with conductive jack seat 8 and conducting down, and the jack on the conductive jack seat is a standard jacks.
Embodiment three: referring to Fig. 5, Fig. 6, Figure 10～Figure 13, numbering is identical with embodiment one among the figure, the same meaning of representative, and its course of work is also basic identical, something in common does not repeat, and difference is: the upper and lower conductive clip external surface except that the clamping mouth is fixed with insulation sleeve 9.
Embodiment four: referring to Fig. 7, Figure 10～Figure 13, numbering is identical with embodiment two among the figure, the same meaning of representative, and its course of work is also basic identical, something in common does not repeat, and difference is: the upper and lower conductive clip external surface except that the clamping mouth is fixed with insulation sleeve 9.
Embodiment five: referring to Fig. 8, Figure 10～Figure 13, numbering is identical with embodiment three among the figure, the same meaning of representative, its course of work is also basic identical, something in common does not repeat, difference is: the rear end of going up clamping mouth and following clamping mouth is provided with mutual corresponding groove 10, and this mutual corresponding groove 10 is a hole altogether, and this hole can increase the contact area of clamping mouth and lead.
Embodiment six: referring to Fig. 9, Figure 10～Figure 13, numbering is identical with embodiment four among the figure, the same meaning of representative, its course of work is also basic identical, something in common does not repeat, difference is: the rear end of going up clamping mouth and following clamping mouth is provided with mutual corresponding groove 10, and these two mutual corresponding groove 10 are a hole altogether, and this hole can increase the contact area of clamping mouth and lead.
Claims (8)
1, a kind of voltage tester folder, contain, under conduct electricity clamp, coupling shaft and fastening spring, fastening spring is sleeved on the coupling shaft, connecting bushing is last, conduct electricity down in the axle bed of clamp, the fastening spring two ends in the opposite direction respectively the card be pressed in, conduct electricity the following of clamp down, on the upper surface, make, under conduct electricity the clamp retaining clip and hold contact, at the handle end plus-pressure it is opened, on, conduct electricity down the handle end outside surface of clamp or except that the clamping mouth on, following conductive clip external surface is fixed with insulation sleeve, it is characterized in that: last, conduct electricity the last clamping mouth of clamp or down vertically be fixed with a conducting probe in the clamping mouth down.
2, voltage tester folder according to claim 1, it is characterized in that: described conducting probe is cylindrical or prismatic, and the end of conducting probe is sharp taper shape or cusped edge taper, and described clamping mouth is a profile of tooth clamping mouth.
3, voltage tester folder according to claim 1 and 2, it is characterized in that: the rear end of described upward clamping mouth and following clamping mouth is provided with mutual corresponding groove, and the described handle end that conducts electricity clamp or conduct electricity clamp down of going up is connected with lead or conductive jack seat and conducting.
4, voltage tester folder according to claim 3, it is characterized in that: the jack on the described conductive jack seat is a standard jacks.
5, a kind of online instrument of searching of stealing that contains the described voltage tester folder of claim 1, it is characterized in that: also contain the Test Host summation current transformer, contain testing circuit in the Test Host, testing circuit contains main control module, the electric energy metrical module, power module, display module and keyboard, described voltage tester folder summation current transformer is connected with the input end of electric energy metrical module, the communication terminal of electric energy metrical module is connected with main control module with control end, main control module also is connected with keyboard with display module, the input end of power module is connected with the voltage tester folder, and its output terminal is connected with the electric energy metrical module with main control module.
6, the online instrument of searching of stealing according to claim 5, it is characterized in that: described main control module contains microprocessor and DLL (dynamic link library), the input of described DLL (dynamic link library) and microprocessor delivery outlet be connected; Described electric energy metrical module contains electric energy metering machine, the voltage signal change-over circuit, current signal change-over circuit and impulse output circuit, described voltage tester folder is connected with the input end of voltage signal change-over circuit, the output terminal of voltage signal change-over circuit is connected with the voltage signal input end of electric energy metering machine, described current transformer is connected with the input end of current signal change-over circuit, the output terminal of current signal change-over circuit is connected with the current signal input end of electric energy metering machine, impulse output circuit contains photoelectrical coupler, battery and pulse output interface, the pulse signal output end of electric energy metering machine is connected with the pulse output interface by photoelectrical coupler, the positive pole of described battery is connected with the pulse output interface, the minus earth of battery, the input of the PORT COM of electric energy metering machine and control port and microprocessor delivery outlet be connected; Described display module contains LCD, the data port of described LCD and control mouthful and the input of microprocessor delivery outlet be connected; Described power module contains three end off-line type PWM switches, transformer and voltage stabilizer.
7, the online instrument of searching of stealing according to claim 6, it is characterized in that: the model of described microprocessor is ATMEGA16, the model of described electric energy metering machine is ATT7022, the model of described LCD is RD-SB02A, the model of described three end off-line type PWM switches is TOP210PFI, the model of described voltage stabilizer is TL431C, and described current transformer is a split core type current transformer, and the quantity of described voltage tester folder is two.
8, the online instrument of searching of stealing according to claim 7, it is characterized in that: described current signal change-over circuit contains resistance (RA5), (RA6), (RA7), (R11), (R12) and electric capacity (CA3), (CA4), resistance (RA5) is attempted by the input end of current signal change-over circuit, the two ends of resistance (RA5) are connected with (V1N) with the current signal input end (V1P) of electric energy metering machine with (RA7) by resistance (RA6) respectively, the current signal input end (V1P) of electric energy metering machine and (V1N) respectively by electric capacity (CA3) and (CA4) ground connection, resistance (R11) and (R12) series connection after be attempted by the current signal input end (V1P) of electric energy metering machine and (V1N) between, resistance (R11) is connected with the reference voltage output end of electric energy metering machine (REFOUT) with the tie point of (R12); Described voltage signal change-over circuit contains resistance (RA1), (RA2), (RA3), (RA4), (R17), (R18) and electric capacity (CA1), (CA2), (C19), an input end of voltage signal change-over circuit is connected with an end of resistance (RA1), between the other end of its another input end and resistance (RA1) and be connected to resistance (RA2), the two ends of resistance (RA2) are connected with (V2N) with the voltage signal input end (V2P) of electric energy metering machine with (RA4) by resistance (RA3) respectively, the voltage signal input end (V2P) of electric energy metering machine and (V2N) respectively by electric capacity (CA1) and (CA2) ground connection, resistance (R17) and (R18) series connection after be attempted by the voltage signal input end (V2P) of electric energy metering machine and (V2N) between, resistance (R17) is connected with the reference voltage output end of electric energy metering machine (REFOUT) with the tie point of (R18), between reference voltage output end of electric energy metering machine (REFOUT) and the ground and be connected to electric capacity (C19), the current signal input end (V3N) of electric energy metering machine, (V3P), (V5N), (V5P) and voltage signal input end (V4N), (V4P), (V6N), (V6P) link together and be connected with the reference voltage output end (REFOUT) of electric energy metering machine by resistance (R13); The power valve of described photoelectrical coupler is anodal to be connected with the pulse output end (CF1) of electric energy metering machine by resistance (R16), and the two ends of the receiving tube of photoelectrical coupler are connected with the pulse output interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201479704U CN201233408Y (en) | 2008-07-15 | 2008-07-15 | Electric voltage test clamp and electricity stealing on-line searching instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201479704U CN201233408Y (en) | 2008-07-15 | 2008-07-15 | Electric voltage test clamp and electricity stealing on-line searching instrument |
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| Publication Number | Publication Date |
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| CN201233408Y true CN201233408Y (en) | 2009-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201479704U Expired - Fee Related CN201233408Y (en) | 2008-07-15 | 2008-07-15 | Electric voltage test clamp and electricity stealing on-line searching instrument |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149403A (en) * | 2012-12-12 | 2013-06-12 | 保定供电公司 | Double-transformation-ratio quadruple limitation measuring expansion intelligent conversion device and control method thereof |
| CN103675363A (en) * | 2013-12-02 | 2014-03-26 | 燕飞 | Novel grounding continuity detection fixture for crystalline silicon photovoltaic modules |
| CN104300902A (en) * | 2014-10-14 | 2015-01-21 | 东华大学 | Round head clamp used for detecting thin film battery |
| CN105353186A (en) * | 2015-10-22 | 2016-02-24 | 国网山东省电力公司烟台供电公司 | Uninterruptible-power access continuous monitoring type electric larceny prevention device based on electric quantity contrast |
| CN105572440A (en) * | 2015-10-20 | 2016-05-11 | 浙江华采科技有限公司 | Electric energy metering device capable of being installed on cable |
| CN105866476A (en) * | 2016-03-28 | 2016-08-17 | 国家电网公司 | Portable testing terminal |
| CN106680556A (en) * | 2016-12-31 | 2017-05-17 | 国网浙江省电力公司文成县供电公司 | Anti-electricity-stealing data collector convenient to arrange |
| CN109406919A (en) * | 2018-12-29 | 2019-03-01 | 国网山东省电力公司泰安供电公司 | Line loss detection device and line loss detection system |
| CN109444477A (en) * | 2018-06-14 | 2019-03-08 | 国网浙江省电力有限公司丽水供电公司 | A kind of voltage tester box and its crocodile clip |
| CN110646641A (en) * | 2019-08-16 | 2020-01-03 | 广东电网有限责任公司 | Outlet pressing plate pin type experiment clamp |
| CN116879619A (en) * | 2023-08-01 | 2023-10-13 | 国网安徽省电力有限公司铜陵供电公司 | Handheld clamp type ammeter for anti-electricity-theft inspection |
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2008
- 2008-07-15 CN CNU2008201479704U patent/CN201233408Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149403A (en) * | 2012-12-12 | 2013-06-12 | 保定供电公司 | Double-transformation-ratio quadruple limitation measuring expansion intelligent conversion device and control method thereof |
| CN103675363A (en) * | 2013-12-02 | 2014-03-26 | 燕飞 | Novel grounding continuity detection fixture for crystalline silicon photovoltaic modules |
| CN104300902A (en) * | 2014-10-14 | 2015-01-21 | 东华大学 | Round head clamp used for detecting thin film battery |
| CN105572440A (en) * | 2015-10-20 | 2016-05-11 | 浙江华采科技有限公司 | Electric energy metering device capable of being installed on cable |
| CN105353186A (en) * | 2015-10-22 | 2016-02-24 | 国网山东省电力公司烟台供电公司 | Uninterruptible-power access continuous monitoring type electric larceny prevention device based on electric quantity contrast |
| CN105866476B (en) * | 2016-03-28 | 2019-04-26 | 国家电网公司 | Portable testing terminal |
| CN105866476A (en) * | 2016-03-28 | 2016-08-17 | 国家电网公司 | Portable testing terminal |
| CN106680556A (en) * | 2016-12-31 | 2017-05-17 | 国网浙江省电力公司文成县供电公司 | Anti-electricity-stealing data collector convenient to arrange |
| CN109444477A (en) * | 2018-06-14 | 2019-03-08 | 国网浙江省电力有限公司丽水供电公司 | A kind of voltage tester box and its crocodile clip |
| CN109406919A (en) * | 2018-12-29 | 2019-03-01 | 国网山东省电力公司泰安供电公司 | Line loss detection device and line loss detection system |
| CN110646641A (en) * | 2019-08-16 | 2020-01-03 | 广东电网有限责任公司 | Outlet pressing plate pin type experiment clamp |
| CN110646641B (en) * | 2019-08-16 | 2022-02-11 | 广东电网有限责任公司 | Outlet pressing plate pin type experiment clamp |
| CN116879619A (en) * | 2023-08-01 | 2023-10-13 | 国网安徽省电力有限公司铜陵供电公司 | Handheld clamp type ammeter for anti-electricity-theft inspection |
| CN116879619B (en) * | 2023-08-01 | 2024-03-15 | 国网安徽省电力有限公司铜陵供电公司 | Handheld clamp type ammeter for anti-electricity-theft inspection |
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