CN111983389A - Device for detecting alignment and fault of multi-core cable - Google Patents

Device for detecting alignment and fault of multi-core cable Download PDF

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Publication number
CN111983389A
CN111983389A CN202010887114.8A CN202010887114A CN111983389A CN 111983389 A CN111983389 A CN 111983389A CN 202010887114 A CN202010887114 A CN 202010887114A CN 111983389 A CN111983389 A CN 111983389A
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CN
China
Prior art keywords
receiving
grounding
transmitting
wiring unit
wiring
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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
CN202010887114.8A
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Chinese (zh)
Inventor
蔡秀忠
楚明月
范鹏鹏
温仰喜
王近冰
王起卫
田国群
陈露
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Puyang Longyuan Power Group Co ltd
State Grid Corp of China SGCC
Puyang Power Supply Co of State Grid Henan Electric Power Co Ltd
Original Assignee
Puyang Longyuan Power Group Co ltd
State Grid Corp of China SGCC
Puyang Power Supply Co of State Grid Henan Electric Power 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 Puyang Longyuan Power Group Co ltd, State Grid Corp of China SGCC, Puyang Power Supply Co of State Grid Henan Electric Power Co Ltd filed Critical Puyang Longyuan Power Group Co ltd
Priority to CN202010887114.8A priority Critical patent/CN111983389A/en
Publication of CN111983389A publication Critical patent/CN111983389A/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
    • G01R31/08Locating faults in cables, transmission lines, or networks
    • G01R31/081Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/083Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
    • 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
    • G01R31/52Testing for short-circuits, leakage current or ground faults
    • 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
    • G01R31/54Testing for continuity

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)

Abstract

The invention provides a device for multi-core cable alignment and fault detection, which is used for solving the technical problems that the traditional multi-core cable alignment mode is complicated in work, low in efficiency, easy to make mistakes, incapable of judging the abnormal state of a cable and the like. The multi-core cable comprises a transmitting device and a receiving device which are arranged at two ends of the multi-core cable, wherein the transmitting device comprises a control host, a power supply, a key switch, an indicator light, a buzzer, a first grounding public end and a transmitting wiring unit are respectively arranged in the control host, the receiving device comprises a control slave, a second grounding public end and a receiving wiring unit are respectively arranged in the control slave, one end of the receiving wiring unit is connected with the second grounding public end, and the other end of the receiving wiring unit is connected with the transmitting wiring unit through the multi-core cable. According to the invention, in the wire alignment process, only the wire connection operation is needed, so that on one hand, the working efficiency is greatly improved compared with the traditional multimeter short circuit wire alignment, and on the other hand, the device can judge whether the cable core is in a fault state or not through the indication information.

Description

Device for detecting alignment and fault of multi-core cable
Technical Field
The invention relates to the technical field of cable connection checking, in particular to a multi-core cable alignment and fault detection device.
Background
The multi-core cable is used in a large amount in the connection process of the transformer substation relay protection device, the multi-core cable is required to be subjected to line alignment work no matter a new station is provided with wiring or fault detection is performed, and the multi-core cable is often applied to electric energy transmission and control signal transmission in a short distance. With the continuous improvement of the automation level of power equipment, the number of multi-core cables used in a power system is gradually increased, and the requirements on cable alignment and cable fault diagnosis are higher and higher due to frequent cable maintenance work in power transmission and transformation engineering, relay protection and the like. Because the cable distance is longer, the core counts is many, and traditional to the line mode utilizes the universal meter short circuit to the line, still need carry out the number checking to the cable core, and work is loaded down with trivial details, and inefficiency makes mistakes easily, can't judge the abnormal state of cable moreover, if increase other equipment and carry out failure diagnosis, lead to the cost-push, can't reflect fault information fast moreover, influence work efficiency.
Disclosure of Invention
Aiming at the technical problems that the traditional multi-core cable alignment mode is complex in work, low in efficiency, easy to make mistakes, incapable of judging the abnormal state of the cable and the like, the invention provides the multi-core cable alignment and fault detection device, only wiring operation is needed in the alignment process, on one hand, the working efficiency is greatly improved compared with the traditional multimeter short circuit alignment, and on the other hand, the device can judge whether the cable core is in the fault state or not through indication information.
In order to solve the technical problems, the invention adopts the following technical scheme: a device for multi-core cable alignment and fault detection comprises a transmitting device and a receiving device which are arranged at two ends of a multi-core cable, wherein the transmitting device comprises a control host, a power supply, a first grounding wiring unit and a transmitting wiring unit are respectively arranged in the control host, and the first grounding wiring unit and the transmitting wiring unit are respectively connected with the power supply; the receiving device comprises a control slave machine, a second grounding wiring unit and a receiving wiring unit matched with the transmitting wiring unit are respectively arranged in the control slave machine, one end of the receiving wiring unit is connected with the second grounding wiring unit, and the other end of the receiving wiring unit is connected with the transmitting wiring unit through a multi-core cable.
The transmission wiring units are connected in parallel to form a plurality of groups, the input ends of the transmission wiring units are collected and connected to a power supply, and the output ends of the transmission wiring units are connected to the receiving wiring units respectively.
The signal transmitting wiring unit comprises a key switch, a signal transmitting indicator lamp unit and a signal transmitting wiring terminal, the key switch, the signal transmitting indicator lamp unit and the signal transmitting wiring terminal are sequentially connected in series to form a signal transmitting circuit, the key switch is connected with the anode of a power supply, and the signal transmitting wiring terminal is connected with the receiving wiring unit through a multi-core cable.
The signaling indicator lamp unit comprises a first shunt resistor and a first light emitting diode, and the first shunt resistor is connected with the first light emitting diode in parallel.
The receiving wiring units are connected in parallel and are respectively matched with the plurality of transmitting wiring units, the input ends of the plurality of receiving wiring units are connected with the transmitting wiring ends of the transmitting wiring units, and the output ends of the plurality of receiving wiring units are collected and uniformly connected with the second grounding wiring unit.
The receiving wiring unit comprises a receiving indicator lamp unit and a receiving wiring terminal, the receiving indicator lamp unit and the receiving wiring terminal are connected in series to form a receiving circuit, the receiving indicator lamp unit is connected with the second grounding wiring unit, and the receiving wiring terminal is connected with the transmitting wiring terminal.
The receiving indicator lamp unit comprises a second shunt resistor and a second light emitting diode, and the second shunt resistor and the second light emitting diode are connected in parallel.
A transmitting prompter is connected in series between the key switch and the positive pole of the power supply, a receiving prompter is connected in series between the receiving indicator lamp unit and the second grounding wiring unit, and both the transmitting prompter and the receiving prompter are buzzers.
The first grounding wiring unit is a first grounding common end, one end of the first grounding common end is connected with the negative pole of the power supply, and the other end of the first grounding common end is grounded; the second grounding connection unit is a second grounding common end, one end of the second grounding common end is connected with the receiving prompter, and the other end of the second grounding common end is grounded.
The one end that sends a signal wiring end, receiving wiring end, first ground connection public end connect the power and the one end that second ground connection public end connect the receipt prompting device all is equipped with quick fixing-line device.
By adopting the structure, the invention can start the wire alignment work by respectively inserting the wire cores at the two ends of the multi-core cable into the quick wire clamping devices of the transmitting wiring end and the receiving wiring end, and only the wire connection operation is needed in the wire alignment process, so that on one hand, the working efficiency is greatly improved compared with the short circuit wire alignment of the traditional multimeter, and on the other hand, the device can judge whether the cable cores are in a fault state or not through the indication information; the buzzer and the light-emitting diode greatly improve the intuitiveness of human-computer interaction and improve the accuracy of wire alignment; meanwhile, the same cable has no sequential requirements on the plug wires of the control host and the control slave in the application process of the device, and the wire connection efficiency is improved. The invention has simple structure design, low cost, clear principle and simple and convenient operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall circuit structure of the present invention;
FIG. 2 is a schematic diagram of an internal circuit structure of the control host according to the present invention;
FIG. 3 is a schematic diagram of an internal circuit structure of the slave control unit according to the present invention;
FIG. 4 is a schematic diagram of a signaling connection unit according to the present invention;
fig. 5 is a schematic structural diagram of a receiving wiring unit according to the present invention.
In the figure, 1 is a control master, 2 is a power supply, 3 is a first grounding connection unit, 4 is a transmitting connection unit, 41 is a key switch, 421 is a first shunt resistor, 422 is a first light emitting diode, 42 is a transmitting indicator lamp unit, 43 is a transmitting terminal, 5 is a control slave, 6 is a second grounding connection unit, 7 is a receiving connection unit, 71 is a receiving indicator lamp unit, 711 is a second shunt resistor, 712 is a second light emitting diode, 72 is a receiving terminal, 8 is a transmitting prompter, 9 is a receiving prompter, and 10 is a fast wire clamping device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, the present invention provides a device for aligning a multi-core cable and detecting faults, which includes a transmitter and a receiver disposed at two ends of the multi-core cable, where the multi-core cable generally includes a plurality of cable cores, and then two ends of the plurality of cable cores are respectively connected to the transmitter and the receiver to form an aligning loop, thereby completing the process of aligning the cable cores and detecting faults. As shown in fig. 2 and 3, the originating device includes a control master 1, the receiving device includes a control slave 5, the control host 1 is internally provided with a power supply 2, a first grounding wiring unit 3 and a transmitting wiring unit 4 respectively, the first grounding wiring unit 3 and the transmitting wiring unit 4 are connected with the power supply 2 respectively, the control slave 5 is internally provided with a second grounding wiring unit 6 and a receiving wiring unit 7 matched with the transmitting wiring unit 4 respectively, and one end of the receiving wiring unit 7 is connected with the second grounding wiring unit 6, and the other end is connected with the transmitting wiring unit 4 through a multi-core cable, wherein the power supply 2 is a 12V battery and is arranged in a power supply clamping seat on the control host 1, the power supply 2 supplies power for the transmitting wiring unit 4 and the receiving wiring unit 7, and the first grounding wiring unit 3 and the second grounding wiring unit 6 are both grounded.
Specifically, the signal transmitting and wiring units 4 are provided with a plurality of groups in parallel, the input ends of the plurality of groups of signal transmitting and wiring units 4 are collected and uniformly connected to the power supply 2, the output ends of the plurality of groups of signal transmitting and wiring units 4 are respectively connected with the receiving and wiring units 7 through cable cores, the receiving and wiring units 7 are also provided with a plurality of groups in parallel and respectively matched with the plurality of groups of signal transmitting and wiring units 4, the input ends of the plurality of groups of receiving and wiring units 7 are connected with the signal transmitting and wiring ends 43 of the signal. Thereby, the transmitting wiring unit 4 can transmit power signals to the receiving wiring unit 7 through the cable core, and form a loop through the first grounding wiring unit 3 and the second grounding wiring unit 6 respectively.
As shown in fig. 4 and 5, the signaling connection unit 4 includes a key switch 41, a signaling indicator light unit 42 and a signaling terminal 43, the key switch 41, the signaling indicator light unit 42 and the signaling terminal 43 are connected in series in sequence to form a signaling circuit; the receiving wiring unit 7 includes a receiving indicator lamp unit 71 and a receiving terminal 72, the receiving indicator lamp unit 71 and the receiving terminal 72 are connected in series and form a receiving circuit, and the transmitting terminal 43 is connected to the receiving terminal 72 through a multi-core cable to realize a wire alignment process. The key switch 41 is connected with the anode of the power supply 2, a transmitting prompter 8 is connected in series between the key switch 41 and the anode of the power supply 2, a receiving prompter 9 is connected in series between the receiving indicator lamp unit 71 and the second grounding wiring unit 6, and both the transmitting prompter 8 and the receiving prompter 9 are buzzers with voltage of 3-5V and current of 20 mA. Further, the signaling indicator light unit 42 includes a first shunt resistor 421 and a first light emitting diode 422, and the first shunt resistor 421 and the first light emitting diode 422 are connected in parallel. The receiving indicator lamp unit 71 includes a second shunt resistor 711 and a second light emitting diode 712, and the second shunt resistor 711 and the second light emitting diode 712 are connected in parallel. In this embodiment, the first light emitting diode 422 and the second light emitting diode 712 are both red light emitting diodes, and the first shunt resistor 421 and the second shunt resistor 711 both have the specification of 200 Ω and 0.2W. When the power signal is conducted, the two buzzers alarm at the same time, and the first light-emitting diode 422 and the second light-emitting diode 712 are lighted at the same time. The first shunt resistor 421 and the second shunt resistor 711 are respectively arranged to protect the first light emitting diode 422 and the second light emitting diode 712, so as to ensure that the first light emitting diode 422 and the second light emitting diode 712 operate normally.
The first grounding wiring unit 3 is a first grounding common end, one end of the first grounding common end is connected with the negative electrode of the power supply 2, and the other end of the first grounding common end is grounded; the second grounding connection unit 6 is a second grounding common end, one end of which is connected with the receiving prompter 9 and the other end is grounded. After the primary equipment in the transformer substation is assembled, the grounding networks in the substation are connected together, so that the grounding common end in the control host and the control slave is connected with the grounding networks nearby the control host and the control slave, and a loop capable of being communicated is formed between the control host and the control slave when the same cable is calibrated. The quick wire clamping device 10 is arranged at one end of the transmitting terminal 43, the receiving terminal 72, one end of the first grounding public end connected with the power supply 2 and one end of the second grounding public end connected with the receiving prompter 9, when the quick wire clamping device works, a battery is placed in the battery clamping seat, the two grounding public ends are grounded, then the same cable is selected, wire cores at two ends of the cable are respectively inserted into the quick wire clamping devices of the transmitting terminal and the receiving terminal, and then the wire aligning work can be started. In the wire alignment process, only the wire connection operation is needed, so that on one hand, the working efficiency is greatly improved compared with the traditional multimeter short circuit wire alignment; on the other hand, the device can judge whether the cable core is in a fault state (broken line or short circuit) through the indication information.
In this embodiment, the control master is provided with 19 key switches of S1-S19, 19 shunt resistors of R1-R19, 19 light emitting diodes of D1-D19, 20 fast line clamping devices of CZ0-CZ19, and 1 buzzer HA1, and the control slave is provided with 19 shunt resistors of R1 '-R19', 19 light emitting diodes of D1 '-D19', 20 fast line clamping devices of CZ0 '-CZ 19', and 1 buzzer HA2, and specific arrangement and connection relationships are as shown in fig. 1 to fig. 3. Taking a loop where the key switch S1 is located as an example, selecting a cable and connecting the cable with the fast wire clamping device CZ1 and CZ1 ', wherein the first grounding common end and the second grounding common end are grounded with the fast wire clamping device CZ0 and CZ 0', and the specific circuit conduction mode is as follows: when the key switch S1 is pressed, the battery outputs a power signal and accordingly passes through the positive electrode + VCC of the power supply, the buzzer HA1, the key switch S1, the shunt resistor R1, the light emitting diode D1, the fast wire clamping device CZ1, the cable core, the fast wire clamping device CZ1 ', the shunt resistor R1 ', the light emitting diode D1 ', the buzzer HA2 and then the second grounding common end, so that a loop is formed. After the loop is turned on, the buzzer HA1 and the buzzer HA2 will make a sound at the same time, and the light emitting diode D1 and the light emitting diode D1' will light up at the same time. In the wire alignment process, only the wire connection operation is needed, so that on one hand, the working efficiency is greatly improved compared with the traditional multimeter short circuit wire alignment; on the other hand, the device can judge whether the cable core is in a fault state or not through the indication information. When any one of the keys in the key switches S1-S19 is pressed, the wire core connected with the corresponding light end at the opposite end is the same wire core as the wire core where the key is located, and the configuration of the buzzer and the light-emitting diode greatly improves the intuitiveness of human-computer interaction and improves the accuracy of wire alignment. Meanwhile, the same cable has no sequential requirements on the plug wires of the control host and the control slave in the application process of the device, and the wire connection efficiency is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The utility model provides a be used for multicore cable to line and fault detection device, is including setting up the device and the receiving arrangement that send a signal at multicore cable both ends, its characterized in that: the transmitting device comprises a control host (1), a power supply (2), a first grounding wiring unit (3) and a transmitting wiring unit (4) are respectively arranged in the control host (1), and the first grounding wiring unit (3) and the transmitting wiring unit (4) are respectively connected with the power supply (2); the receiving device comprises a control slave (5), a second grounding wiring unit (6) and a receiving wiring unit (7) matched with the transmitting wiring unit (4) are respectively arranged in the control slave (5), one end of the receiving wiring unit (7) is connected with the second grounding wiring unit (6), and the other end of the receiving wiring unit is connected with the transmitting wiring unit (4) through a multi-core cable.
2. The apparatus of claim 1 for multi-core cable pair and fault detection, wherein: the signal transmitting and wiring units (4) are connected in parallel to form a plurality of groups, the input ends of the signal transmitting and wiring units (4) are collected and connected to the power supply (2) in a unified mode, and the output ends of the signal transmitting and wiring units are connected with the receiving and wiring units (7) respectively.
3. The apparatus of claim 2 for multi-core cable pair and fault detection, wherein: the signal transmission wiring unit (4) comprises a key switch (41), a signal transmission indicator lamp unit (42) and a signal transmission terminal (43), the key switch (41), the signal transmission indicator lamp unit (42) and the signal transmission terminal (43) are sequentially connected in series to form a signal transmission circuit, the key switch (41) is connected with the positive pole of the power supply (2), and the signal transmission terminal (43) is connected with the receiving wiring unit (7) through a multi-core cable.
4. The apparatus of claim 3 for multi-core cable pair and fault detection, wherein: the signaling indicator lamp unit (42) comprises a first shunt resistor (421) and a first light emitting diode (422), and the first shunt resistor (421) and the first light emitting diode (422) are connected in parallel.
5. The device for multi-core cable alignment and fault detection as claimed in claim 2 or 4, wherein: the receiving wiring unit (7) is provided with a plurality of groups in parallel and is respectively matched with the plurality of groups of transmitting wiring units (4), the input ends of the plurality of groups of receiving wiring units (7) are connected with the transmitting wiring ends (43) of the transmitting wiring units (4), and the output ends of the plurality of groups of receiving wiring units (7) are collected and uniformly connected with the second grounding wiring unit (6).
6. The apparatus of claim 5 for multi-core cable pair and fault detection, wherein: the receiving wiring unit (7) comprises a receiving indicator lamp unit (71) and a receiving terminal (72), the receiving indicator lamp unit (71) and the receiving terminal (72) are connected in series to form a receiving circuit, the receiving indicator lamp unit (71) is connected with the second grounding wiring unit (6), and the receiving terminal (72) is connected with the transmitting terminal (43).
7. The apparatus of claim 6, wherein: the receiving indicator lamp unit (71) includes a second shunt resistor (711) and a second light emitting diode (712), and the second shunt resistor (711) and the second light emitting diode (712) are connected in parallel.
8. The device for multi-core cable alignment and fault detection as claimed in claim 6 or 7, wherein: a transmitting prompter (8) is connected in series between the key switch (41) and the positive pole of the power supply (2), a receiving prompter (9) is connected in series between the receiving indicator lamp unit (71) and the second grounding wiring unit (6), and the transmitting prompter (8) and the receiving prompter (9) are both active buzzers.
9. The apparatus of claim 8 for multi-core cable pair and fault detection, wherein: the first grounding wiring unit (3) is a first grounding common end, one end of the first grounding common end is connected with the negative electrode of the power supply (2), and the other end of the first grounding common end is grounded; the second grounding wiring unit (6) is a second grounding common end, one end of the second grounding common end is connected with the receiving prompter (9), and the other end is grounded.
10. The apparatus of claim 9 for multi-core cable pair and fault detection, wherein: the quick wire clamping device is characterized in that the quick wire clamping device (10) is arranged at one end of the transmitting terminal (43), the receiving terminal (72), one end of the first grounding public end connected with the power supply (2) and one end of the second grounding public end connected with the receiving prompter (9).
CN202010887114.8A 2020-08-28 2020-08-28 Device for detecting alignment and fault of multi-core cable Pending CN111983389A (en)

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Application Number Priority Date Filing Date Title
CN202010887114.8A CN111983389A (en) 2020-08-28 2020-08-28 Device for detecting alignment and fault of multi-core cable

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112415335A (en) * 2020-12-01 2021-02-26 广东电网有限责任公司清远供电局 Line detection device
CN112649760A (en) * 2020-11-25 2021-04-13 国网福建省电力有限公司安溪县供电公司 Single portable accuse cable is to traditional thread binding putting
CN113030637A (en) * 2021-02-26 2021-06-25 广东电网有限责任公司 Multi-core cable test circuit and device
CN113156338A (en) * 2021-03-25 2021-07-23 山西中航天拓科技股份有限公司 Line production control method for automatic detection of multi-core cable with plug
CN113359064A (en) * 2021-05-17 2021-09-07 国网山东省电力公司肥城市供电公司 Cable core identification device and method
CN114487910A (en) * 2022-01-28 2022-05-13 英博超算(南京)科技有限公司 Wiring harness open/short circuit detection circuit and method of automobile ECU

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202404188U (en) * 2011-12-10 2012-08-29 嵩县电业局 Cable alignment instrument
CN202421393U (en) * 2011-12-12 2012-09-05 河南省电力公司洛阳供电公司 Electric control cable alignment device
CN206863152U (en) * 2017-06-05 2018-01-09 国网安徽省电力公司六安供电公司 Cable core cable alignment apparatus
CN108872770A (en) * 2018-07-09 2018-11-23 国网重庆市电力公司电力科学研究院 A kind of cable proofreader instrument and its to line method
CN110346693A (en) * 2019-08-22 2019-10-18 广东电网有限责任公司 A kind of multicore cable is quickly to line capacity checking device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202404188U (en) * 2011-12-10 2012-08-29 嵩县电业局 Cable alignment instrument
CN202421393U (en) * 2011-12-12 2012-09-05 河南省电力公司洛阳供电公司 Electric control cable alignment device
CN206863152U (en) * 2017-06-05 2018-01-09 国网安徽省电力公司六安供电公司 Cable core cable alignment apparatus
CN108872770A (en) * 2018-07-09 2018-11-23 国网重庆市电力公司电力科学研究院 A kind of cable proofreader instrument and its to line method
CN110346693A (en) * 2019-08-22 2019-10-18 广东电网有限责任公司 A kind of multicore cable is quickly to line capacity checking device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112649760A (en) * 2020-11-25 2021-04-13 国网福建省电力有限公司安溪县供电公司 Single portable accuse cable is to traditional thread binding putting
CN112415335A (en) * 2020-12-01 2021-02-26 广东电网有限责任公司清远供电局 Line detection device
CN113030637A (en) * 2021-02-26 2021-06-25 广东电网有限责任公司 Multi-core cable test circuit and device
CN113030637B (en) * 2021-02-26 2022-05-17 广东电网有限责任公司 Multi-core cable test circuit and device
CN113156338A (en) * 2021-03-25 2021-07-23 山西中航天拓科技股份有限公司 Line production control method for automatic detection of multi-core cable with plug
CN113359064A (en) * 2021-05-17 2021-09-07 国网山东省电力公司肥城市供电公司 Cable core identification device and method
CN114487910A (en) * 2022-01-28 2022-05-13 英博超算(南京)科技有限公司 Wiring harness open/short circuit detection circuit and method of automobile ECU

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