CN107664730A - A kind of distribution network automated end terminal connecting line detection device - Google Patents

A kind of distribution network automated end terminal connecting line detection device Download PDF

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Publication number
CN107664730A
CN107664730A CN201710941176.0A CN201710941176A CN107664730A CN 107664730 A CN107664730 A CN 107664730A CN 201710941176 A CN201710941176 A CN 201710941176A CN 107664730 A CN107664730 A CN 107664730A
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CN
China
Prior art keywords
test
pulsqe distributor
circuit
pulsqe
distribution network
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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.)
Pending
Application number
CN201710941176.0A
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Chinese (zh)
Inventor
佘远亮
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Nanjing Kerui Electronic Technology Co Ltd
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Nanjing Kerui Electronic Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing Kerui Electronic Technology Co Ltd filed Critical Nanjing Kerui Electronic Technology Co Ltd
Priority to CN201710941176.0A priority Critical patent/CN107664730A/en
Publication of CN107664730A publication Critical patent/CN107664730A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/66Testing of connections, e.g. of plugs or non-disconnectable joints
    • G01R31/67Testing the correctness of wire connections in electric apparatus or circuits

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Abstract

The invention discloses a kind of distribution network automated end terminal connecting line detection device, including test equipment and display device, test equipment includes test circuit and the test connecting terminal block being connected with test circuit;Display circuit includes multiple light emitting diodes and multiple diodes;Each diode respectively with a light emitting diode reverse parallel connection, its positive pole short circuit.The present invention can judge whether sub-thread cable connects in tested cable using above circuit according to the light on and off of different light emitting diodes;Cooperation uses distribution terminal general aviation joint, and quick measurement can be achieved;By observing the sequence of light of light emitting diode, it can intuitively and in time judge that the connection of FTU connecting lines to mistake, improves operating efficiency;Solve the problems, such as that power distribution network scene can not test FTU connecting lines, ensure that the security reliability of controller switching equipment.

Description

A kind of distribution network automated end terminal connecting line detection device
Technical field
The present invention relates to field of electrical equipment, and in particular to a kind of distribution network automated end terminal connecting line detection is set It is standby.
Background technology
Distribution automation terminal(Feeder terminal unit-FTU)It is that automated system is coupled with primary equipment Interface, be mainly used in distribution system transformer, breaker, automatic circuit, sectionaliser, post load switch, ring main unit, pressure regulator, The monitoring and control of reactive-load compensation capacitor, with feeder line master station communication, there is provided the number needed for distribution system operation control and management According to the instruction of the control and regulation to controller switching equipment that execution main website provides, to realize the various functions of feeder automation.FTU essence On be between terminal unit(RTU)A kind of automatization terminal between relay protection, installed in distribution network overhead line tower pole Etc., and with remote signalling, remote measurement, remote control, statistical function, accident record, distant place control locking with it is manually operated, the work(such as communicate Energy.
Terminal is the part that battery is connected with external conductor.In electrotechnics, terminal refers to wiring terminal more, is called terminals Son, species divide single hole, diplopore, socket, hook etc..Electric signal or conductive use are mainly transmitted in their effect.FTU terminals Son, connection function is served in terms of electric signal and conduction is transmitted, so as to reduce the consumption of workload and production cost, to life Production and use bring many facilities, reach simplified product structure, save the purpose of manufacturing cost.
FTU has 3 terminals, respectively power input and voltage wiring terminal, electric current input wires terminal, control, signal Binding post.Power input and voltage interface and electric current input interface respectively have 6 interfaces;Control, signaling interface have 10 interfaces. So except ethernet communication, EPON power interfaces pair connecting line in addition to, FTU shares 22 connecting lines.These connecting line line sequences It can not exchange, thickness is consistent, and color category is few, and which results in investigating, whether correct connection task be cumbersome, surveys at this stage Examination is mainly that engineering staff carries out resistance test using universal meter, and the method for testing is more traditional, extremely inefficient.Therefore one is needed The distribution network automated end terminal connecting line automatic checkout equipment of kind.
The content of the invention
The purpose of the present invention is in view of the deficienciess of the prior art, power distribution network can fast and automatically be detected certainly by providing one kind The equipment of dynamicization end terminal connecting line.
To achieve the above object, the invention provides a kind of distribution network automated end terminal connecting line detection device, bag Test equipment and display device are included, tested cable is connected between the test equipment and the display device, and the test is set The standby test connecting terminal block for including test circuit and being connected with test circuit;
The test circuit includes side's wave generation circuit, is connected with multiple pulsqe distributors and multiple NAND gate circuits;
Multiple NAND gate circuits, are connected with pulsqe distributor respectively;To control the clock signal input of pulsqe distributor;
Multiple pulsqe distributors, it is connected successively with test connecting terminal block, pulse signal to be sequentially output;
The display device includes display circuit and the display connecting terminal block being connected with display circuit;
The display circuit includes multiple light emitting diodes, is connected with display connecting terminal block, to judge the logical of tested cable It is disconnected;
Multiple diodes;Respectively with a light emitting diode reverse parallel connection, its positive pole short circuit, lead to form pulse signal and return Road.
Preferably, the multiple NAND gate circuit include the first NAND gate circuit, the second NAND gate circuit and the 3rd with Not circuit;Side's wave generation circuit respectively with the first NAND gate circuit, the second NAND gate circuit and the 3rd NAND gate circuit An input connection;Another input of first NAND gate circuit, the second NAND gate circuit and the 3rd NAND gate circuit is successively It is connected with the tenth output end of the first pulsqe distributor, the second pulsqe distributor and the 3rd pulsqe distributor.
Preferably, the multiple pulsqe distributor includes the first pulsqe distributor, the second pulsqe distributor, the 3rd pulse Distributor and the 4th pulsqe distributor;The of first pulsqe distributor, the second pulsqe distributor and the 3rd pulsqe distributor One output end is connected with the second pulsqe distributor, the 3rd pulsqe distributor and the 4th pulsqe distributor successively, its tenth output end End is forbidden to connect with it respectively;Tenth output end of the 4th pulsqe distributor connects with the reset terminal of the first pulsqe distributor Connect;The second of the multiple pulsqe distributor is connected with test connecting terminal block successively to the tenth output end.
Preferably, the display device also includes a display housing, the light emitting diode is arranged on display housing Top;The test equipment also includes a test shell, and the light emitting diode in the test circuit is arranged on outside the test The top of shell.
Preferably, the second to the tenth output end of multiple pulsqe distributors and test binding post in the test circuit A light emitting diode is connected between row, each light emitting diode reverse parallel connection has a diode.
Preferably, it is respectively connected with the special boats of FTU or DTU on the outside of the test connecting terminal block and display connecting terminal block Empty joint.
Preferably, the tenth output of first pulsqe distributor, the second pulsqe distributor and the 3rd pulsqe distributor The 5th resistance, the 6th resistance and the 7th resistance are connected with turn between end and power cathode.
Preferably, it is connected with the 4th resistance between the reset terminal and power cathode of first pulsqe distributor.
Preferably, it is connected with the first electric capacity between the reset terminal and positive source of first pulsqe distributor.
Beneficial effect:The present invention can be judged single in tested cable using above circuit according to the light on and off of different light emitting diodes Whether share of cable connects;Cooperation uses distribution terminal general aviation joint, and quick measurement can be achieved;By observing light emitting diode Sequence of light, can intuitively and in time judge that the connection of FTU connecting lines to mistake, improves operating efficiency;Solve power distribution network to show The problem of field can not test FTU connecting lines, ensure that the security reliability of controller switching equipment.
Brief description of the drawings
Fig. 1 is distribution network automated end terminal connecting line assay device structures schematic diagram provided in an embodiment of the present invention;
Fig. 2 is the display circuit principle of distribution network automated end terminal connecting line detection device provided in an embodiment of the present invention Figure;
Fig. 3 is the test circuit principle of distribution network automated end terminal connecting line detection device provided in an embodiment of the present invention Figure.
Description of reference numerals:
1- test equipments, 2- display devices, 3- test connecting terminal blocks, 4- side's wave generation circuit, 5- pulse distributors, 6- show Show circuit, 7- shows connecting terminal block, and 8- shows housing, 9- test housings, and 10- is tested cable.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is furture elucidated, and the present embodiment is with technical solution of the present invention Premised under implemented, it should be understood that these embodiments are only illustrative of the invention and is not intended to limit the scope of the invention.
As shown in figure 1, the embodiment provides a kind of distribution network automated end terminal connecting line detection device, It includes test equipment 1 and display device 2, and tested cable 10 is connected between test equipment 1 and display device 2, such as Fig. 3 institutes Show, test equipment 1 includes test circuit and the test connecting terminal block 3 being connected with test circuit;VCC in test circuit is represented Positive source, GND represent power cathode, and P1 and P2 represent power pin connector.Test circuit includes side's wave generation circuit 4 With connected pulse distributor 5.
As shown in figure 3, the pulse generating circuit 4 that the present invention uses includes an integrated circuit U2, integrated circuit U2 type Number it is NE555, and connected first resistor R1, second resistance R2, the second electric capacity C2 and the 3rd electric capacity C3.Pulse distribution electricity Road 5 includes the first pulsqe distributor U3, the second pulsqe distributor U4, the 3rd pulsqe distributor U5, the 4th pulsqe distributor U6, the One NAND gate circuit U1A, the second NAND gate circuit U1B and the 3rd NAND gate circuit U1C.
The model for the pulsqe distributor U3-U6 that the present invention uses is CD4017, and it has 10 pulse output ends, i.e., Q0-Q9, Q0 is referred to as the first output end below, Q1 is the second output end, and by that analogy, Q9 is the tenth output end.
As shown in figure 3, the model for the NAND gate circuit U1A-U1C that the present invention uses is 4011.Pulse generating circuit 4 Output end respectively the input end of clock with the first pulsqe distributor U3, a first NAND gate circuit U1A input, second with it is non- The input connection of gate circuit U1B an input and the 3rd NAND gate circuit U1C, the tenth of the first pulsqe distributor U3 are defeated Go out to hold Q9 respectively with the first NAND gate circuit U1A another input and the first pulsqe distributor U3 forbid end to connect, second Pulsqe distributor U4 the tenth output end Q9 another inputs and the second pulsqe distributor with the second NAND gate circuit U1B respectively U4's forbids end to connect, and the 3rd pulsqe distributor U5 the tenth output end Q9 is another defeated with the 3rd NAND gate circuit U1C respectively Enter end and the 3rd pulsqe distributor U5 forbids end to connect, the output end Q9 of the 4th pulsqe distributor U6 the tenth and the first pulse distribution Device U3 reset terminal connection.First pulsqe distributor U3 the first output end Q0 and the second pulsqe distributor U4 reset terminal connect Connect, second pulsqe distributor U4 the first output end Q0 are connected with the 3rd pulsqe distributor U5 reset terminal, the 3rd pulsqe distributor U5 the first output end Q0 are connected with the 4th pulsqe distributor U6 reset terminal, make the first pulsqe distributor U3 to the 4th pulse distribution U6 pulse signal circulates output successively.First pulsqe distributor U3, the second pulsqe distributor U4, the 3rd pulsqe distributor U5 and 4th pulsqe distributor U6 the second output end Q1 to the 9th output end Q8 is connected with test connecting terminal block 3 respectively successively, is used So that pulse signal to be sequentially output.
As shown in Fig. 2 the display device of the present invention includes display circuit 6 and connected display connecting terminal block 7;It is aobvious Show that circuit includes multiple light emitting diodes and multiple diodes, the positive pole of multiple light emitting diodes is respectively successively with showing terminals The connection of son row 7, pulse signal to be shown, judge the break-make of tested cable 10 according to whether light emitting diode lights, often Individual light emitting diode reverse parallel connection has a diode, the positive pole short circuit of all diodes, leads to for forming pulse signal and returning Road.
As shown in figure 1, the display device 2 of the present invention also includes a display housing 8, the top of display housing 8 opens up installation Hole, light emitting diode are arranged in the mounting hole on the top of display housing 8, and the shape of light emitting diode is observed when being easy to use State.Display connecting terminal block 3 is arranged on the sidepiece of display housing 14, is easy to test preceding wiring.
As shown in figure 3, for the ease of using, the 2nd Q1 of each pulsqe distributor in the test circuit of the present invention is extremely A light emitting diode is also connected between tenth output end Q9 and test connecting terminal block 3, each light emitting diode is reverse A diode is parallel with, so, the break-make situation of tested cable can not only be observed in display device 2, in test equipment 1 It can also intuitively determine, make the staff both sides at test equipment end and display device end can add their confirmation, improve test Accuracy.After test lead increases light emitting diode and diode, in addition to it can measure the break-make of tested cable 10, also Can whether consistent with the sequence of light of the light emitting diode on display device 2 according to test equipment 1, it is every in cable 10 to judge Whether the order of connection of root line is correct.Such as when in test equipment the first light emitting diode it is glittering, while if test equipment One light emitting diode is glittering, then illustrates that the connecting line line sequence is correct, if other light emitting diodes are glittering, then illustrate connecting line Wiring line sequence is wrong.
As shown in figure 3, the first pulsqe distributor U3, the second pulsqe distributor U4 and the 3rd pulsqe distributor U5 of the present invention The tenth output end Q9 and power cathode GND between be connected with the 5th resistance R5, the 6th resistance R6 and the 7th resistance R7 in turn, Four pulsqe distributor U6 forbid end power cathode between be connected with 3rd resistor R3,3rd resistor R3, five resistance R5, the 6th Resistance R6 and the 7th resistance R7 be respectively the 4th pulsqe distributor U6, the first pulsqe distributor U3, the second pulsqe distributor U4 and The pull down resistor of 3rd pulsqe distributor U5 output end.Above-mentioned 5th resistance R5, the 6th resistance R6, the 7th resistance R7 and the 3rd Resistance R3 resistance is 10K ohms.Connected between the reset terminal and power cathode GND of the first pulsqe distributor 5 of the present invention There is the 4th resistance R4, the 4th resistance R4 resistance is 100K ohms.The reset terminal and power supply of the first pulsqe distributor 5 of the present invention The first electric capacity C1 is connected between positive pole VCC.
As shown in figure 1, identical with display device 2, test equipment 1 of the invention includes a test shell 9, test shell 9 Top opens up mounting hole, and light emitting diode is arranged in the mounting hole on the top of test shell 9, and observation is luminous when being easy to use The state of diode.Indicate the numbering of diode near the diode on display housing 8 and test shell 9, respectively 1,2, 3 ..., the numbering of diode and the binding post numbering of connecting terminal block always, can bases when finding that diode is not luminous The quick abnormal connecting line confirmed in tested cable 10 of numbering.The numbering of diode can be printed upon housing using laser printing Top, can also use pad pasting be attached to the top of housing.
The test connecting terminal block 3 of the present invention and the outside of display connecting terminal block 7 are respectively connected with FTU general aviation joints, FTU general aviations joint can be arranged on the sidepiece of test shell 9 and display housing 8, can also be arranged on test shell 9 and show Show the outside of shell 8, in test, the FTU that state's net Aviation Connector at FTU cables both ends need to be only plugged on to the present invention respectively is special With in Aviation Connector, so that it may carry out on off test, avoid field connection workload big, improve operating efficiency.
The present invention operation principle be:The voltage pulse of fixed frequency, the triggering of its square wave rising edge are produced using NE555 CD4017 CP ends, 4 4017 chips are connected using specific mode, and NE555 produces the voltage pulse and first of fixed frequency The tenth output end Q9 difference NAND gate circuit connections of pulsqe distributor, the second pulsqe distributor and the 3rd pulsqe distributor, control The clock signal that system is 4 4017 is sequentially input.And then make the output end of 4 4017 chips(Q1-Q8)Height is sequentially generated in order Level, other are low level.Each interface is sequentially attached according to as defined in state's net FTU aviation plugs, when tested cable 10 When wiring is intact, produces the LED both ends corresponding to the output end of high level and produce pressure difference so as to light luminous two Pole pipe LED, in test process, the output end of 4 4017 chips(Q1-Q8)High level is sequentially generated in order, and then makes hair Optical diode LED appearance circulates glittering successively.
If the LED in test terminal circuit is lit, the LED in display end is also by point It is bright, then it represents that the connecting line between two lamps is " logical ", and other examples are same.When being detected to connecting line, if light emitting diode There is the person of not working in LED, that is, represent this road " obstructed ".Simultaneously as the connection cables of distribution network terminal have a variety of wiring line sequences, therefore The LED lamp of test lead and display end be connected circuit terminal realize can manual configuration function, according to luminous two The sequence of light of pole pipe, to judge whether line sequence is correct.
When there is connection when keeping open state, the tester constantly will carry out automatic retest to connecting line. In addition, after test is skilled, the quality of the connecting line can be also judged according to the luminous power of light emitting diode.When holding is opened Machine state, the tester constantly will carry out automatic retest to connecting line.
The present invention can judge whether sub-thread cable connects in tested cable using above circuit according to different LED light on and off; Cooperation uses distribution terminal general aviation joint, and quick measurement can be achieved;When keeping open state, the connecting line detection device will Automatic retest constantly can be carried out to connecting line, there is real-time.The present invention provides visual for operating maintenance personnel FTU terminal connecting line detection devices so that staff can intuitively and in time judge that the connection of FTU connecting lines to mistake, improves work Make efficiency;Solve the problems, such as that power distribution network scene can not test FTU connecting lines, ensure that the security reliability of controller switching equipment.
It should be noted that the invention is not restricted to the break-make of the connecting line for measuring FTU, it may also be used for measure other and match somebody with somebody The connecting line of electric terminals, such as DTU, only FTU aviation plugs need to be changed into other surveys the plug that terminal is used cooperatively, so that it may fast Speed realizes measurement.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (9)

1. a kind of distribution network automated end terminal connecting line detection device, it is characterised in that set including test equipment and display Standby, tested cable is connected between the test equipment and the display device, the test equipment include test circuit and with The test connecting terminal block of test circuit connection;
The test circuit includes side's wave generation circuit, is connected with multiple pulsqe distributors and multiple NAND gate circuits;
Multiple NAND gate circuits, are connected with pulsqe distributor respectively;To control the clock signal input of pulsqe distributor;
Multiple pulsqe distributors, it is connected successively with test connecting terminal block, pulse signal to be sequentially output;
The display device includes display circuit and the display connecting terminal block being connected with display circuit;
The display circuit includes multiple light emitting diodes, is connected with display connecting terminal block, to judge the logical of tested cable It is disconnected;
Multiple diodes, respectively with a light emitting diode reverse parallel connection, its positive pole short circuit, lead to form pulse signal and return Road.
2. distribution network automated end terminal connecting line detection device according to claim 1, it is characterised in that described more Individual NAND gate circuit includes the first NAND gate circuit, the second NAND gate circuit and the 3rd NAND gate circuit;Electricity occurs for the square wave An input of the road respectively with the first NAND gate circuit, the second NAND gate circuit and the 3rd NAND gate circuit is connected;First with it is non- Another input of gate circuit, the second NAND gate circuit and the 3rd NAND gate circuit successively with the first pulsqe distributor, the second arteries and veins Rush the tenth output end connection of distributor and the 3rd pulsqe distributor.
3. distribution network automated end terminal connecting line detection device according to claim 1, it is characterised in that described more Individual pulsqe distributor includes the first pulsqe distributor, the second pulsqe distributor, the 3rd pulsqe distributor and the 4th pulsqe distributor; First output end of first pulsqe distributor, the second pulsqe distributor and the 3rd pulsqe distributor is divided with the second pulse successively Orchestration, the 3rd pulsqe distributor and the connection of the 4th pulsqe distributor, its tenth output end forbid end to connect with it respectively;Described Tenth output end of four pulsqe distributors is connected with the reset terminal of the first pulsqe distributor;The second of the multiple pulsqe distributor It is connected successively with test connecting terminal block to the tenth output end.
4. distribution network automated end terminal connecting line detection device according to claim 1, it is characterised in that described aobvious Show that equipment also includes a display housing, the light emitting diode is arranged on the top of display housing;The test equipment also includes One test shell, the light emitting diode in the test circuit are arranged on the top of the test shell.
5. distribution network automated end terminal connecting line detection device according to claim 1, it is characterised in that the survey One to be connected between the second to the tenth output end of multiple pulsqe distributors and test connecting terminal block luminous in examination circuit Diode, each light emitting diode reverse parallel connection have a diode.
6. distribution network automated end terminal connecting line detection device according to claim 1, it is characterised in that the survey FTU or DTU general aviation joints are respectively connected with the outside of examination connecting terminal block and display connecting terminal block.
7. distribution network automated end terminal connecting line detection device according to claim 3, it is characterised in that described It is sequentially connected between one pulsqe distributor, the tenth output end of the second pulsqe distributor and the 3rd pulsqe distributor and power cathode There are the 5th resistance, the 6th resistance and the 7th resistance.
8. distribution network automated end terminal connecting line detection device according to claim 3, it is characterised in that described The 4th resistance is connected between the reset terminal and power cathode of one pulsqe distributor.
9. distribution network automated end terminal connecting line detection device according to claim 3, it is characterised in that described The first electric capacity is connected between the reset terminal and positive source of one pulsqe distributor.
CN201710941176.0A 2017-10-11 2017-10-11 A kind of distribution network automated end terminal connecting line detection device Pending CN107664730A (en)

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Application Number Priority Date Filing Date Title
CN201710941176.0A CN107664730A (en) 2017-10-11 2017-10-11 A kind of distribution network automated end terminal connecting line detection device

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Application Number Priority Date Filing Date Title
CN201710941176.0A CN107664730A (en) 2017-10-11 2017-10-11 A kind of distribution network automated end terminal connecting line detection device

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109444783A (en) * 2018-11-02 2019-03-08 国网湖南省电力有限公司 A kind of one or two fusion device sampling precision test methods of power distribution network
CN109917281A (en) * 2018-09-14 2019-06-21 中船重工西安东仪科工集团有限公司 It is a kind of for testing the device and method of slip ring action sequence
CN110095684A (en) * 2019-05-17 2019-08-06 南方电网科学研究院有限责任公司 A kind of terminal connection relationship method of calibration, equipment and distribution terminal test equipment
CN114325490A (en) * 2021-12-31 2022-04-12 苏州思迈尔电子设备有限公司 Quick alignment detection device and detection method for wire harness serial number

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109917281A (en) * 2018-09-14 2019-06-21 中船重工西安东仪科工集团有限公司 It is a kind of for testing the device and method of slip ring action sequence
CN109444783A (en) * 2018-11-02 2019-03-08 国网湖南省电力有限公司 A kind of one or two fusion device sampling precision test methods of power distribution network
CN110095684A (en) * 2019-05-17 2019-08-06 南方电网科学研究院有限责任公司 A kind of terminal connection relationship method of calibration, equipment and distribution terminal test equipment
CN110095684B (en) * 2019-05-17 2022-02-15 南方电网科学研究院有限责任公司 Terminal connection relation checking method and device and power distribution terminal testing device
CN114325490A (en) * 2021-12-31 2022-04-12 苏州思迈尔电子设备有限公司 Quick alignment detection device and detection method for wire harness serial number

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Application publication date: 20180206