CN207074242U - A kind of portable cable verification detector - Google Patents
A kind of portable cable verification detector Download PDFInfo
- Publication number
- CN207074242U CN207074242U CN201720676225.8U CN201720676225U CN207074242U CN 207074242 U CN207074242 U CN 207074242U CN 201720676225 U CN201720676225 U CN 201720676225U CN 207074242 U CN207074242 U CN 207074242U
- Authority
- CN
- China
- Prior art keywords
- school line
- self
- diode
- test
- school
- 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.)
- Expired - Fee Related
Links
- 238000012795 verification Methods 0.000 title claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 62
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001915 proofreading effect Effects 0.000 description 2
- 101000608720 Helianthus annuus 10 kDa late embryogenesis abundant protein Proteins 0.000 description 1
- 101000608734 Helianthus annuus 11 kDa late embryogenesis abundant protein Proteins 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Fire Alarms (AREA)
Abstract
The utility model discloses a kind of portable cable verification detector, including casing, school line detection circuit plate is provided with casing, casing is visually arranged provided with multigroup school line, and school line hand switch, charging hole are additionally provided with casing；Visually row includes top binding post, self-test display lamp, school line display lamp and end terminations to every group of described school line；Described school line detection circuit plate includes power supply module, energy supply control module and school line self-test and detection module, the power supply power connection end mouth of power supply module is used to connect civil power, the power input of the supply port connection energy supply control module of power supply module, the feeder ear connection school line self-test of energy supply control module and the power connection end of detection module；The substantial amounts of time and efforts of testing staff can be saved, improves the efficiency of power distribution network, substation project transformation and capital construction.
Description
Technical field
It the utility model is related to power system school line detection technique field, more particularly to a kind of portable cable verification detection
Instrument.
Background technology
At the scene during power distribution network, substation project transformation and capital construction, it can use to substantial amounts of control cable or two
Secondary core, when installing docking, installation personnel tends not to accurately that the more cables being intertwined progress are clear and definite one by one
Dock on ground.Whether cable well turns on, and whether the one-to-one corresponding of cable core is correct, is directly influencing electric equipment just
Often operation.
Because on-site cable quantity is larger, length of cable is longer, cable core proof-reading brings great inconvenience.Mesh
Before, cable core proof-reading is extremely cumbersome, then in testing process, often 2 people respectively hold one end of cable connector, use general-purpose
The ohms range of table measures；More drawback be present in this method of testing：First, efficiency is very low, measuring speed is very slow, accounts for
With the substantial amounts of time and efforts of testing staff；Second, labor intensive, it is necessary to 2 people measure simultaneously, reality plant maintenance when and
Only 1 people at the scene in the case of can influence debugging progress.
Or 2~3 people adopters are needed to lead to the Line Connectivity Test Tool such as lamp.Such as：It is 10 cores that one, which controls cable, then total time of check and correction
Number is up to 1+2+3+......+9+10=55 time, and workload is very big.
Using above two mode, it is found that logical lamp or universal meter have following drawback to line：First, to the technical ability of people according to
Rely；Second, school line is cumbersome one by one, workload is big, operating time length；Third, secondary core number is more, school line workload will be into multiplication
Add；It can not in time be identified fourth, secondary wire core is powered, easily trigger human safety issues.
Utility model content
The purpose of this utility model is to provide a kind of portable cable verification detector, can solve effect in testing process
The problem of rate is low, and measuring speed is slow；The quantity of testing staff is reduced simultaneously, saves the substantial amounts of time and efforts of testing staff；
Improve the efficiency of power distribution network, substation project transformation and capital construction.
The technical solution adopted in the utility model is：
A kind of portable cable verification detector, including casing, casing is interior to be provided with school line detection circuit plate, and casing is provided with
Multigroup school line is visually arranged, and school line hand switch, charging hole are additionally provided with casing；
Visually row includes top binding post, self-test display lamp, school line display lamp and end wiring to every group of described school line
Terminal；
Described school line detection circuit plate includes power supply module, energy supply control module and school line self-test and detection mould
Block, the power supply power connection end mouth of power supply module are used to connect civil power, the supply port connection power supply of power supply module
The power input of module, the feeder ear connection school line self-test of energy supply control module and the power connection end of detection module.
Described school line visually arranges 10 groups of setting, every group of school line visually the top binding post in row, self-test display lamp, school
Line display lamp and end terminations are arranged in order setting from top to bottom, and visually row is horizontally arranged successively for every group of school line.
Described power supply module includes circuit of three-terminal voltage-stabilizing integrated, the power input port of circuit of three-terminal voltage-stabilizing integrated
Connect line voltage, and the power input of circuit of three-terminal voltage-stabilizing integrated also by the first capacitance connection can charge and discharge battery pack it is negative
Pole；The power output end of circuit of three-terminal voltage-stabilizing integrated by the first pressure drop diode connection can charge and discharge battery pack positive pole, can fill
Put battery pack negative pole connection circuit of three-terminal voltage-stabilizing integrated earth terminal, and can charge and discharge battery pack positive pole and negative pole as power supply
The supply port of power supply module.
It is described can charge and discharge battery pack be also associated with electric power detection module, electric power detection module is also associated with sound and light alarm
Device.
Described energy supply control module includes school line hand switch and single-chip microcomputer, and the power supply incoming end of single-chip microcomputer passes through school line
Hand switch connection can charge and discharge battery pack positive pole, the power supply incoming end of single-chip microcomputer can also charge and discharge by input filter capacitor connection
The negative pole of battery pack, the first pin of single-chip microcomputer pass sequentially through oscillating circuit and the connection school line self-test of the second pressure drop diode and inspection
Survey module, the second pin of single-chip microcomputer connected by voltage dividing resistance circuit with output filter capacitor can charge and discharge battery pack negative pole,
The negative pole of second pressure drop diode and can charge and discharge battery pack negative pole as school line self-test and the feeder ear of detection module.
Described school line self-test and detection module include multigroup school line display circuit being connected in parallel, every group of school line display electricity
The first divider resistance, self-test display diode and the school line that road includes being sequentially connected in series show diode, and school line shows diode simultaneously
Join the second divider resistance, the first divider resistance and self-test set top binding post between showing diode, and self-test shows two poles
Pipe and school line set end terminations between showing diode；The left end of first divider resistance connects the second pressure drop diode
Negative pole, school line show diode negative pole connection can charge and discharge battery pack negative pole.
Described self-test shows that diode is self-test display lamp, and school line shows that diode is school line display lamp.
Carrying handle is additionally provided with described casing.
Carrier of the utility model by the use of casing as portable detector, school line detection circuit plate is provided with casing,
Visually arranged using multigroup school line on casing, one end of more cables to be verified is connected to top binding post
On, then choose more with the random end terminations being connected in certain group school line display circuit in the end of any one in cable
On son, at this point it is possible to see, if beginning of this root cable of connection end terminations with being connected to first group of school line display circuit
Terminated line terminal leads cable is not belonging to same root cable, then, all green lights are bright, and all red lights do not work；If connect end
This root cable of binding post belongs to same root line with being connected to cable on the top binding post of first group of school line display circuit
Cable, then, the green light in first group of school line display circuit extinguish, and the red light of group lights where end terminations, the school of place group
Green light in line display circuit extinguishes.By such a mode, once school line can be only carried out, you can clearly tell for school
This cable of line is same root line.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
As shown in figure 1, the utility model includes casing 1, casing 1 uses quadrangle box, and line detection electricity in school is provided with casing 1
Road plate, casing 1 are visually arranged provided with multigroup school line, and multigroup school line is visually arranged located at the front of casing 1；Every group of described school line can
Include top binding post 2, self-test display lamp 3, school line display lamp 4 and end terminations 5 depending on row；School line visually arranges setting 10
Group, every group of school line visually top binding post 2, self-test display lamp 3, school line display lamp 4 and end terminations 5 in row by upper
Setting is arranged in order under, and visually row is horizontally arranged successively for every group of school line.School line hand switch S1 is additionally provided with casing 1, is filled
Electric hole 6 and carrying handle 7, carrying handle 7 is used to carry, convenient.Top binding post 2 and end terminations 5 are using existing
Structure, by way of screwing, the termination of cable is crimped in binding post, belongs to existing mature technology, repeats no more.
As shown in Fig. 2 described school line detection circuit plate includes power supply module, energy supply control module, school line self-test
And detection module, the power supply power connection end mouth of power supply module are used to connect civil power, the supply port connection of power supply module
The power input of energy supply control module, the feeder ear connection school line self-test of energy supply control module and the power connection end of detection module.
Described power supply module includes circuit of three-terminal voltage-stabilizing integrated, the power input port of circuit of three-terminal voltage-stabilizing integrated
Vin connection line voltages, and the power input Vin of circuit of three-terminal voltage-stabilizing integrated can also discharge and recharge by the first electric capacity C1 connections
Pond group BT negative pole；The power output end Vout of circuit of three-terminal voltage-stabilizing integrated can discharge and recharge by the first pressure drop diode D1 connections
Pond group BT positive pole, can charge and discharge battery pack BT negative pole connection circuit of three-terminal voltage-stabilizing integrated earth terminal GND, and can charge and discharge battery
Supply port of the group BT positive pole and negative pole as power supply module.Circuit of three-terminal voltage-stabilizing integrated is using 7805 serial monolithics
Machine.
Can charge and discharge battery pack be also associated with electric power detection module, electric power detection module is also associated with audible-visual annunciator.Electricity
Detection module can detect electrical power storage amount that can be in charge and discharge battery pack BT in real time, when electrical power storage that can be in charge and discharge battery pack BT
When amount is higher than the high alarming value set, audible-visual annunciator work, so as to remind staff, charging has been completed；When can discharge and recharge
When electrical power storage amount in the group BT of pond is less than the low alarming value of setting, audible-visual annunciator work, so as to remind staff, device
Low battery is, it is necessary to charge.Electric power detection module belongs to existing mature technology, will not be repeated here.Audible-visual annunciator uses
Diode (LED) and buzzer LS.
Described energy supply control module includes school line hand switch S1 and single-chip microcomputer, and the power supply incoming end VCC of single-chip microcomputer leads to
Cross school line hand switch S1 connections can charge and discharge battery pack BT positive pole, the power supply incoming end VCC of single-chip microcomputer also passes through input filter
Electric capacity C2 connections can charge and discharge battery pack BT negative pole, the first pin 1 of single-chip microcomputer passes sequentially through oscillating circuit and the second pressure drop two
Pole pipe D3 connections school line self-test and detection module, the second pin 2 of single-chip microcomputer pass through voltage dividing resistance circuit and output filter capacitor
C4 connections can charge and discharge battery pack BT negative pole, the second pressure drop diode D3 negative pole and can charge and discharge battery pack BT negative pole as school
Line self-test and the feeder ear of detection module.Single-chip microcomputer uses MC34063 models, and MC34063 devices contain DC/DC conversion in itself
The monolithic control circuit of major function required for device.It is by the pedestal generator with temperature self-compensation function, ratio
The oscillator controllable compared with device, dutycycle, the composition such as R-S triggers and High-current output on-off circuit.The device can be used for boosting
Converter, buck converter, the control core of reverser, the DC/DC converters being made up of it are only with a small amount of external component.
It is mainly used in microprocessor（MPU）Or single-chip microcomputer（MCU）Based on system in.The chip application is general than wide
Cheap easily purchase.
Wherein, oscillating circuit includes oscillating circuit electric capacity C3, oscillating circuit diode D2 and inductance L1, oscillating circuit electric capacity
C3 one end connection single-chip microcomputer the 3rd pin 3, the other end connection can charge and discharge battery pack BT negative pole, inductance L1 left end connection
First pin 1 of single-chip microcomputer, right-hand member connect the second pressure drop diode D3 positive pole, oscillating circuit diode D2 negative pole connection electricity
Feel L1 left end, oscillating circuit diode D2 positive pole connection can charge and discharge battery pack BT negative pole, oscillating circuit diode D2 rises
To the effect of current limliting.
Voltage dividing resistance circuit includes partial pressure first resistor R3 and partial pressure second resistance R4, partial pressure first resistor R3 first end
Connect single-chip microcomputer second pin 2, partial pressure first resistor R3 the second end connection can charge and discharge battery pack BT negative pole, partial pressure second
The second pin 2 of resistance R4 first end connection single-chip microcomputer, partial pressure second resistance R4 the second end passes through output filter capacitor C4
Connection can charge and discharge battery pack BT negative pole, partial pressure second resistance R4 the second end is also connected with inductance L1 right-hand member.
Described school line self-test and detection module include multigroup school line display circuit being connected in parallel, every group of school line display electricity
The first divider resistance R1n, self-test display diode DS1n and the school line that road includes being sequentially connected in series show diode DS2n, and school line shows
Show and set between diode DS2n both ends the second divider resistance R2n, the first divider resistance R1n of parallel connection and self-test display diode DS1n
Top binding post 2 is put, self-test shows that diode DS1n and school line show setting end terminations 5 between diode DS2n；
First divider resistance R1n left end connects the second pressure drop diode D3 negative pole, and school line shows diode DS2n negative pole connection
Can charge and discharge battery pack BT negative pole.
Described self-test shows that diode DS1n is self-test display lamp 3, and school line shows that diode DS2n is school line display lamp
4。
Illustrate operation principle of the present utility model below in conjunction with the accompanying drawings：
The major function of the present apparatus is the school line function of cable, is carrying out cable school line function in use, firstly the need of entering
Capable is self checking function, is ensured in the conduction state per road school line display circuit.
First, line voltage is subjected to voltage stabilizing, decompression processing, by circuit of three-terminal voltage-stabilizing integrated, drawn by power supply output
The stable 5V voltages of pin output, afterwards, are depressured, the first pressure drop diode D1 pressure drops by the first pressure drop diode D1
0.7V, afterwards, charged for battery pack, meet battery pack charging requirement.
When carrying out the school line of cable, school line hand switch S1 is manually pressed by so that it is whole device that can reset battery pack
Power supply, when device is without detecting after work, device can be charged, in case the electricity that uses at any time is sufficient.Battery
Group is turned on by school line hand switch S1, first, is filtered processing by input filter capacitor C2, is transmitted further to monolithic
Machine, single-chip microcomputer connect oscillating circuit by the first pin 1 again, provide pulse for single-chip microcomputer, then pass through the second pressure drop diode D3
4.5V voltages are exported, meanwhile, single-chip microcomputer connects voltage dividing resistance circuit and output filter capacitor C4, partial pressure electricity by second pin 2
Resistance circuit is mainly used in the detection of voltage, then carries out by output filter capacitor C4 stablizing defeated pressure.Second pressure drop diode D3 and
Can charge and discharge battery pack BT negative pole constitute the supply port of school line self-test and detection module so that school line self-test and detection module
Form school line loop.
Again before the line of school, enter the Autonomous test of row line first, ensure the conducting of school line circuit.Self checking principle：When school line
After self-test and detection module conducting, shown per the current direction in the line display circuit of road school for the first divider resistance R1n → self-test
The divider resistance R2n of diode DS1n → second so that self-test shows diode DS1n conductings, and shinny, self-test shows diode
DS1n uses green diode, and now, school line shows that diode DS2n is not turned on, not shinny, and school line shows that diode DS2n is adopted
Use red diode.In process of self-test, the green self-test in every road shows that diode DS1n is shinny, illustrates to show per road school line
The equal normal power-up of circuit, school line can be carried out.As shown in figure 1, ten groups of school line display circuits, such as arrange from left to right, the left side
First is classified as first group of school line display circuit, including the first divider resistance R10, self-test show that diode DS10, school line show two
The pole pipe DS20 and second divider resistance R20 in parallel with school line display diode DS20, from left to right the like, then, and the tenth
Group includes the first divider resistance R19, self-test shows diode DS19, school line shows diode DS29 and shows diode with school line
Second divider resistance R29 in parallel DS29.Likewise, the binding post in every group also enters line label in this manner, for example,
The top binding post 2 of first group of school line display circuit can represent that end terminations 5 can be represented with J20 with J10, that
The top binding post 2 of tenth group of school line display circuit can represent that end terminations 5 can be represented with J29 with J19.
When carrying out the school line of cable, the top of the single line cable in mixed and disorderly cable is connected to first group of school line and shown
On the top binding post 2 of circuit, more be connected to certain the group school lines random with the end of any one in cable of reselection show
Show on end terminations 5 in circuit, at this point it is possible to see, if this root cable of connection end terminations 5 is with being connected to
Cable is not belonging to same root cable on the top binding post 2 of first group of school line display circuit, then, all green lights are bright, institute
Some red lights do not work；If this root cable of connection end terminations 5 connects with being connected to the top of first group of school line display circuit
Cable belongs to same root cable in line terminals 2, then, the green light in first group of school line display circuit extinguishes, 5 institutes of end terminations
Lighted in the red light of group, the green light in the school line display circuit of place group extinguishes.By such a mode, only can carry out once
School line, you can this cable clearly told for school line is same root line.
According to the school line simultaneously of ten cables in embodiment, first, the top of ten cables and ten groups of school lines are shown
Top binding post 2 in circuit connects one by one, and then chooses the end of any wire cable, is arbitrarily connected to one group
On end terminations 5 in the line display circuit of school, at this point it is possible to see, the green light of group extinguishes where end terminations, and
The red light of group lights where end terminations 5, then can be determined that, the top come in that group of most forefront green light extinguishing connects
The cable connect where the cable connect in line terminals 2 lights with red light on end terminations 5 of group belongs to same root cable.
Principle is：For example, when the top that the top of same root cable is connected in second group of school line display circuit connects
On line terminals J11, the end of this root cable is connected on the sub- J25 of end terminations in the 6th group of school line display circuit, quite
In the self-test in second group of school line display circuit is shown into diode DS11, school line show diode DS21, the second divider resistance
R21, the component before the school line in the 6th group of school line display circuit shows diode DS25 have carried out short circuit, so, second
Green light in group and the 6th group all extinguishes, and the school line in the 6th group shows diode DS25 due to short circuit so that
School line shows the voltage rise that diode DS25 divides, and has reached the pressure drop voltage that school line shows diode DS25, so as to turn on,
Lightened state is changed into from OFF state.Before in school, line starts, when self-test, self-test show DS1n points of diode voltage
It is larger, the pressure drop magnitude of voltage that self-test shows diode DS1n can be reached, so, self-test shows that diode DS1n conductings are shinny,
And school line shows that the voltage that diode DS2n divides is relatively low, it is impossible to reach the pressure drop voltage that school line shows diode DS2n, so,
School line shows that diode DS2n is not turned on, the state in extinguishing.
Claims (8)
- A kind of 1. portable cable verification detector, it is characterised in that：Including casing, school line detection circuit plate is provided with casing, Casing is visually arranged provided with multigroup school line, and school line hand switch, charging hole are additionally provided with casing；Visually row includes top binding post, self-test display lamp, school line display lamp and end terminations to every group of described school line；Described school line detection circuit plate includes power supply module, energy supply control module and school line self-test and detection module, electricity The power supply power connection end mouth of source power supply module is used to connect civil power, the supply port connection energy supply control module of power supply module Power input, the feeder ear connection school line self-test of energy supply control module and the power connection end of detection module.
- 2. portable cable verification detector according to claim 1, it is characterised in that：Described school line visually arranges setting 10 groups, top binding post, self-test display lamp, school line display lamp and end terminations during every group of school line is visually arranged are arrived from above Under be arranged in order setting, and visually row is horizontally arranged successively for every group of school line.
- 3. portable cable verification detector according to claim 1, it is characterised in that：Described power supply module bag Circuit of three-terminal voltage-stabilizing integrated, the power input port connection line voltage of circuit of three-terminal voltage-stabilizing integrated are included, and three-terminal voltage-stabilizing integrates The power input of circuit also by the first capacitance connection can charge and discharge battery pack negative pole；The power supply of circuit of three-terminal voltage-stabilizing integrated is defeated Go out end by the first pressure drop diode connection can charge and discharge battery pack positive pole, can charge and discharge battery pack negative pole connection three-terminal voltage-stabilizing collection Into the earth terminal of circuit, and can charge and discharge battery pack supply port as power supply module of positive pole and negative pole.
- 4. portable cable verification detector according to claim 3, it is characterised in that：It is described can charge and discharge battery pack also Electric power detection module is connected with, electric power detection module is also associated with audible-visual annunciator.
- 5. portable cable verification detector according to claim 4, it is characterised in that：Described energy supply control module bag Include school line hand switch and single-chip microcomputer, the power supply incoming end of single-chip microcomputer by the connection of school line hand switch can charge and discharge battery pack just Pole, the power supply incoming end of single-chip microcomputer also by input filter capacitor connection can charge and discharge battery pack negative pole, the first of single-chip microcomputer draws Pin passes sequentially through oscillating circuit and the connection school line self-test of the second pressure drop diode and detection module, the second pin of single-chip microcomputer pass through Voltage dividing resistance circuit connected with output filter capacitor can charge and discharge battery pack negative pole, the negative pole of the second pressure drop diode and can charge and discharge The negative pole of battery pack is as school line self-test and the feeder ear of detection module.
- 6. portable cable verification detector according to claim 5, it is characterised in that：Described school line self-test and detection Module includes multigroup school line display circuit being connected in parallel, and every group of school line display circuit includes the first partial pressure electricity being sequentially connected in series Resistance, self-test show diode and school line shows diode, and school line shows the divider resistance of diodes in parallel second, the first divider resistance And self-test shows setting top binding post between diode, self-test shows that diode and school line show setting end between diode Terminate line terminals；The left end of first divider resistance connects the negative pole of the second pressure drop diode, and school line shows that the negative pole of diode connects Connect can charge and discharge battery pack negative pole.
- 7. portable cable verification detector according to claim 6, it is characterised in that：Described self-test shows diode For self-test display lamp, school line shows that diode is school line display lamp.
- 8. portable cable verification detector according to claim 1, it is characterised in that：Hand is additionally provided with described casing Handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720676225.8U CN207074242U (en) | 2017-06-12 | 2017-06-12 | A kind of portable cable verification detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720676225.8U CN207074242U (en) | 2017-06-12 | 2017-06-12 | A kind of portable cable verification detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207074242U true CN207074242U (en) | 2018-03-06 |
Family
ID=61513753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720676225.8U Expired - Fee Related CN207074242U (en) | 2017-06-12 | 2017-06-12 | A kind of portable cable verification detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207074242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300654A (en) * | 2017-06-12 | 2017-10-27 | 国家电网公司 | A kind of portable cable verification detector |
-
2017
- 2017-06-12 CN CN201720676225.8U patent/CN207074242U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300654A (en) * | 2017-06-12 | 2017-10-27 | 国家电网公司 | A kind of portable cable verification detector |
| CN107300654B (en) * | 2017-06-12 | 2024-02-27 | 国家电网公司 | Portable cable check-up detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103454554B (en) | Polarity tester for current transformer | |
| CN104049173B (en) | Electric motor car charging inlet guides identifying device | |
| CN104133149B (en) | A kind of voltage acquisition line Beam Detector | |
| CN203838286U (en) | Current transformer polarity tester | |
| CN205427102U (en) | Current transformer polarity high speed tester | |
| CN103236735B (en) | Emergency instruction power supply | |
| CN207291719U (en) | Vehicular charger control system | |
| CN104020372B (en) | Acquisition terminal equipment communication interface load capacity tester with communication module | |
| CN110518674A (en) | Charging and discharging lithium battery circuit | |
| CN107390083A (en) | A kind of portable cable verification and cable live detection instrument | |
| CN107300654A (en) | A kind of portable cable verification detector | |
| CN207074242U (en) | A kind of portable cable verification detector | |
| CN201219206Y (en) | Multifunctional portable energy storing device | |
| CN103580082B (en) | A kind of charging unit | |
| CN113009245A (en) | Fill portable detecting system of electric pile | |
| CN206533171U (en) | The charging device of voltage comparator circuit and battery | |
| CN207074245U (en) | A kind of portable cable verification and cable live detection instrument | |
| CN207074867U (en) | A kind of electric supply system of cable school line detector | |
| CN105589011A (en) | Missort investigation device and investigation method before installation of single-phase resident ammeter | |
| CN105375586A (en) | Battery charge and discharge management device and metering instrument manufactured by the same | |
| CN205901360U (en) | Battery charging/ discharging management system of high accuracy | |
| CN207336669U (en) | A kind of school linear system system of cable school line detector | |
| CN206773140U (en) | A kind of manual testing's control device for semiconductor test system | |
| CN202150720U (en) | Constant current constant voltage pulse charger capable of setting charging voltage and charging current arbitrarily | |
| CN203205958U (en) | Electronic candle rechargeable battery monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180306 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |