CN106291254B - Automatic intelligent line inspection device for intelligent substation - Google Patents
Automatic intelligent line inspection device for intelligent substation Download PDFInfo
- Publication number
- CN106291254B CN106291254B CN201610847911.7A CN201610847911A CN106291254B CN 106291254 B CN106291254 B CN 106291254B CN 201610847911 A CN201610847911 A CN 201610847911A CN 106291254 B CN106291254 B CN 106291254B
- Authority
- CN
- China
- Prior art keywords
- cable
- tested
- line inspection
- inspection device
- relay
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
Abstract
An automatic intelligent line inspection device for an intelligent substation belongs to the field of measurement. It is provided with two test sockets; arranging n +2 relays at the first test socket; setting n-1 resistor matrixes at a second test socket; correspondingly inserting the prefabricated cable plugs at two ends of the cable to be tested into the two test sockets; the control unit establishes a mapping relation between the resistance matrix and the prefabricated cable plug; the control unit respectively controls the relay contacts to carry out on and off actions in sequence and detects the resistance values between the cable core wire loops to be detected; the control unit controls the on and off actions of the relay contacts and detects the level change of the relay ports to judge the on-off condition between core wires at two ends of the cable to be tested; the connection sequence of each core wire of the cable to be tested on the prefabricated cable plug is discriminated through the diodes, and the problem of cable staggered connection is solved. The method can be widely applied to the design and manufacturing field of cable testing devices.
Description
Technical Field
The invention belongs to the field of measurement, and particularly relates to a detection device for detecting faults in cables, transmission lines or networks.
Background
The intelligent transformer substation adopts advanced, reliable, integrated and environment-friendly intelligent equipment, takes total station information digitization, communication platform networking and information sharing standardization as basic requirements, automatically completes basic functions of information acquisition, measurement, control, protection, metering, detection and the like, and simultaneously has advanced functions of supporting real-time automatic control, intelligent adjustment, on-line analysis decision, cooperative interaction and the like of a power grid.
In the power transmission and relay protection system, the intelligent substation system can be generally divided into a 3-layer structure: a process layer, a spacer layer, and a station control layer. The process layer comprises intelligent equipment consisting of primary equipment and intelligent components, a merging unit and an intelligent terminal, and related functions of distribution, transformation, transmission, measurement, control, protection, metering, state monitoring and the like of the electric energy of the transformer substation are completed; the bay level equipment generally refers to secondary equipment such as a relay protection device, a measurement and control device, a fault recording device and the like, and realizes the function of using data of one bay and acting on the bay primary equipment, namely, the bay level equipment is communicated with various remote input/output devices, intelligent sensors and controllers; the station control layer comprises subsystems such as an automation system, a station domain control system, a communication system and a time synchronization system, so that the measurement and control functions facing to the whole station or more than one secondary device are realized, and the related functions such as data acquisition, monitoring control, operation locking, synchronous phasor acquisition, electric energy acquisition, protection information management and the like are completed.
Therefore, the maximum difference between the intelligent substation and the traditional substation is represented in three aspects: 1. primary equipment is intelligentized; 2. equipment maintenance stateization; 3. and (5) networking secondary equipment.
In the installation and debugging construction process of the secondary system of the intelligent substation, a large number of cables are needed, and after the cables are laid, cable alignment is an important process.
At present, the following tools are commonly used for cable alignment: when the line is aligned, two or more persons must be matched, and the consistent signal of the line is agreed in advance, one person must be matched with the other person in a coordinated way. One common mode is that one person short circuits the wire core at one end of the cable, the other person uses a universal meter to measure the wire core one by one at the other end of the cable, communication tools such as a telephone and the like are used for real-time communication in the measurement process, and the same mark is set when the current measured cable is determined.
The publication date is 2013, 11, 13, and a publication number CN 203289523U is disclosed in the patent of the utility model discloses a "telephone line inspection device", which includes: the universal meter comprises a universal meter dial plate, a key, a microphone, an earphone, a display screen for displaying universal meter measurement information or call information, a dial switch for switching functions of a telephone and the universal meter, and a detection line interface; the universal meter drive plate and the display screen are connected with an internal circuit of the universal meter; the key, the microphone, the receiver and the display screen are connected with the telephone circuit board; the detection line interface is connected with the plectrum switch, and the plectrum switch is connected with the internal circuit of the universal meter and the telephone circuit board. This telephone line route looks into traditional thread binding putting integrates the phone and universal meter together, realizes the switching of function through the plectrum switch, portable to convenient to use. Although this technical scheme has solved quick demonstration, the problem of being convenient for show and judge, switch fast with universal meter, plectrum switch, it has the process of whole school line consuming time longer, the not enough of making mistakes easily moreover.
How to carry out the alignment work fast and efficiently, reduce the manpower and material resources consumption in the alignment process and improve the working efficiency is a problem which needs to be solved urgently in the current practical construction process.
Disclosure of Invention
The invention aims to provide an automatic intelligent line inspection device for an intelligent substation. The connection sequence of each core of the cable to be detected on the prefabricated cable plug is discriminated through a diode, and the on/off relation between the core and the corresponding core of the cable to be detected is judged through detecting the resistance value of the serial access of the loop; aiming at large-batch prefabricated cables of the intelligent substation, an automatic testing means is adopted, the manufacturing quality of the prefabricated cables of the intelligent substation can be rapidly checked, the cable inspection before installation and the cable inspection before power-on are realized, the damage and the misplacement in the installation process of the prefabricated cables are rapidly found, the engineering quality of cable laying and connector manufacturing is ensured, the cable inspection work efficiency is greatly improved, and the construction period of the intelligent substation is obviously shortened.
The technical scheme of the invention is as follows: the utility model provides an automatic intelligent line inspection device for intelligent substation, characterized by:
providing first and second test sockets; the test socket is an n-core wire socket; n is the core number of the cable to be tested;
at a first test socket, setting n +2 relays according to the number n of cores of a cable to be tested, wherein each relay corresponds to a normally open contact;
setting a power supply;
the lower ends of the relay contacts from 1 to n-1 are correspondingly connected with the core wire jacks of the cables to be tested from 1 to n-1 respectively, and the upper ends of the relay contacts from 1 to n-1 are connected with the positive end of a power supply;
the lower ends of n-to-n +2 relay contacts in the relay contacts are correspondingly connected with core wire jacks of 2-to-n cables to be tested respectively, and the upper ends of the n-to-n +2 relay contacts are connected with the negative end of a power supply;
at the second test socket, setting n-1 resistance matrixes according to the number n of cores of the cable to be tested, wherein the resistance matrixes are respectively arranged among core wire jacks of the cable to be tested in parallel;
wherein n = 4;
a control unit is arranged to respectively control the connection or disconnection of each relay contact, thereby realizing the on-off function of the electronic switch;
inserting prefabricated cable plugs at two ends of a cable to be tested into a first test socket and a second test socket respectively;
the control unit establishes a mapping relation between the resistance matrix and the prefabricated cable plug;
the control unit respectively controls the relay contacts to carry out on and off actions in sequence and simultaneously detects the resistance values between the cable core wire loops to be detected;
the control unit controls the on and off actions of the relay contacts and detects the level change of the relay ports, so that the on-off condition between core wires at two ends of the cable to be detected is judged;
the control unit discriminates the connection sequence of each core wire of the cable to be tested on the prefabricated cable plug through the diode, and the problem of cable staggered connection is solved.
Specifically, the control unit is a single chip microcomputer or a PLC.
Specifically, each I/O port of the control unit is connected to a control coil of each relay, and outputs a high level or a low level to the control coil to control "on" or "off" of a corresponding contact of the relay.
Specifically, the resistor matrix is formed by connecting a resistor and a diode in series; the x-number core wire of the cable to be tested is connected with the anode of the x-number diode through the x-number resistor, and the cathode of the x-number diode is connected with the x + 1-number cable core wire to be tested; wherein x is the serial number of the core wire of the cable to be tested, the value range is 1 to n, and n is the core number of the cable to be tested.
Furthermore, the automatic intelligent line inspection device discriminates the connection sequence of each core of the cable to be detected on the prefabricated cable plug through the diode, and solves the problem of cable cross wiring.
Furthermore, the automatic intelligent line inspection device is connected with the resistance matrix through the relay contact according to the number of the cores of the cable to be detected, and judges the on/off relation between the cores and the cores corresponding to the cable to be detected through detecting the resistance value connected in the loop string.
Specifically, the PLC is internally provided with a wire tester kernel program, and the on/off conditions of two ends of the cable to be tested are judged by controlling the action behavior of each relay contact and sensing the level change of the port of each relay contact.
Furthermore, the control unit, the power supply, the relay set and the first test socket are combined together to form a component A, and the resistor matrix and the second test socket are combined together to form a component B.
Furthermore, the automatic intelligent line inspection device is used for inspecting lines of the intelligent substation before the prefabricated cable is installed so as to inspect the manufacturing quality of the prefabricated cable.
Furthermore, the automatic intelligent line inspection device for the intelligent substation is used for inspecting the line of the prefabricated cable before the intelligent substation is electrified so as to inspect the damage and the misplacement of the prefabricated cable in the installation process.
Compared with the prior art, the invention has the advantages that:
1. aiming at large-batch prefabricated cables of the transformer substation, the manufacturing quality of the cables to be tested and cable heads is rapidly judged in a level measurement mode, and the method is particularly suitable for line inspection before the installation of the prefabricated cables of the intelligent transformer substation;
2. the connection sequence of each core of the cable to be tested on the prefabricated cable plug is discriminated through the diodes, so that the problem of cable cross wiring can be effectively solved;
3. the whole testing and line checking process is automatically carried out, so that the working efficiency is greatly improved, and manual operation errors are avoided.
Drawings
FIG. 1 is a schematic diagram of the system building blocks of the present invention;
FIG. 2 is a schematic diagram of the system of the present invention;
FIG. 3 is a circuit diagram of the working circuit of the present invention when the wiring is normal;
FIG. 4 is a circuit diagram of the working circuit of the present invention in case of wiring error;
fig. 5 is a flow chart of the present invention.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Compared with the traditional transformer substation, the intelligent transformer substation has the characteristics of simplicity, repeatability and networking in installation and debugging. Taking secondary cable installation and line inspection as an example, the secondary cables of the intelligent substation are all prefabricated cables, prefabricated cable sockets are installed at the positions of connecting devices at two ends of the cables, the cables can be directly inserted during field installation, and the insertion process has directionality. Therefore, the whole process is simple and has high repeatability.
Although the secondary cable installation process is simple, the correctness is verified to be consistent with the traditional cable inspection process, namely, each core of the cable must be correctly wired, and open circuit, short circuit and misconnection cannot occur. The requirement provides a new challenge for the line inspection of the secondary cable of the intelligent substation, and the following three points can be summarized:
1) problem? of how to solve line inspection before large-batch prefabricated cable installation
2) How to solve the invisible problem? of cable core in the process of wire inspection of prefabricated cable
3) Problem? of how to solve human eye recognition error of prefabricated cable plug
The design of the technical scheme is to solve the three problems.
In fig. 1, the wire tester according to the present embodiment includes four core components.
A first component: PLC programmable controller. The device is used for executing the kernel program of the wire checking device and establishing the connection relation with the resistor matrix by controlling the relay contact. Meanwhile, the PLC judges the on-off condition of the prefabricated cable according to a set program by sensing the level change of the relay port. And the wire checking results such as open circuit, short circuit and wiring corresponding relation of cores at two ends of the prefabricated cable can be displayed on a liquid crystal display screen of the PLC.
And a second component: a relay set. The PLC is used for executing PLC instructions, connecting the prefabricated cable and the resistance matrix and establishing a mapping relation.
And (3) assembly III: a resistor matrix. The circuit board is composed of components such as a circuit board, a resistor and a diode.
And (4) assembly IV: first and second test sockets. When the test socket is used for checking wires, plugs at two ends of the prefabricated cable are correspondingly inserted into corresponding test sockets, and electrical loop connection is established.
The control unit, the power supply, the relay group and the first test socket are combined together to form a component A, and the resistor matrix and the second test socket are combined together to form a component B.
As shown in fig. 1, in the present technical solution, an automatic intelligent line inspection device is provided, which is characterized in that:
first and second test sockets are provided; the test socket is an n-core wire socket; n is the core number of the cable to be tested;
at a first test socket, setting n +2 relays according to the number n of cores of a cable to be tested, wherein each relay corresponds to a normally open contact;
a power supply is arranged;
the lower ends of the relay contacts from 1 to n-1 are correspondingly connected with the core wire jacks of the cables to be tested from 1 to n-1 respectively, and the upper ends of the relay contacts from 1 to n-1 are connected with the positive end of a power supply;
the lower ends of n-to-n +2 relay contacts in the relay contacts are correspondingly connected with core wire jacks of 2-to-n cables to be tested respectively, and the upper ends of the n-to-n +2 relay contacts are connected with the negative end of a power supply;
at a second test socket, setting n-1 resistance matrixes according to the number n of cores of the cable to be tested, wherein the resistance matrixes are respectively arranged among core wire jacks of the second test socket in parallel;
the resistor matrix is formed by connecting a resistor and a diode in series; the x-number core wire of the cable to be tested is connected with the anode of the x-number diode through the x-number resistor, and the cathode of the x-number diode is connected with the x + 1-number cable core wire to be tested; wherein x is the serial number of the core wire of the cable to be tested, the value range is 1 to n, and n is the core number of the cable to be tested;
a control unit is arranged to control the connection or disconnection of each relay contact respectively, thereby realizing the on-off function of the electronic switch;
each I/O port of the control unit is correspondingly connected with a control coil of each relay respectively, and the connection or disconnection of the corresponding contact of the relay is controlled by outputting high level or low level to the control coil;
the control unit, the power supply, the relay group and the first test socket are combined together to form a component A, and the resistor matrix and the second test socket are combined together to form a component B.
In fig. 2, a schematic diagram of the principle of the wire tester designed by taking a four-core prefabricated cable plug as an example is shown.
The design principle of the wire checking device is mainly completed by establishing a mapping relation between a resistance matrix and a prefabricated cable plug.
The design points comprise: the connection sequence of each core of the prefabricated cable on the prefabricated cable plug is discriminated through the diode, so that the problem of cable staggered connection is solved; connecting the resistor matrix through relay contacts according to the number of the prefabricated cable cores, and judging the on-off relation between the corresponding cores by detecting the resistance value connected in the loop string; and compiling an inner core program of the wire checking device, controlling the action of the relay through the PLC, and sensing the level change of each relay port, so as to judge the on-off condition between the head end and the tail end of each core wire of the prefabricated cable.
Specifically, a first test socket and a second test socket are arranged; the test socket is a 4-core wire socket; 4 is the core number of the cable to be measured;
in the first test socket, 6 relays are arranged according to the number of cores of a cable to be tested, and each relay corresponds to a normally open contact (represented by S1, S2, S3, S4, S5 and S6 in the figure);
setting a power supply V1;
the lower ends of relay contacts from S1 to S3 in the relay contacts are correspondingly connected with core wire jacks from 1 to 3 cables to be tested, and the upper ends of the relay contacts from S1 to S3 are connected with the positive end of a power supply;
the lower ends of relay contacts from S4 to S6 are correspondingly connected with core wire jacks from No. 2 to No. 4 cables to be tested respectively, and the upper ends of the relay contacts from S4 to S6 are connected with the negative end of a power supply;
in the second test socket, 3 resistance matrixes are arranged according to the number of 4 cores of the cable to be tested, and the resistance matrixes are respectively arranged among the core wires of the cable to be tested in parallel;
a control unit PLC is arranged to respectively control the connection or disconnection of each relay contact, thereby realizing the on-off function of the electronic switch;
the resistor matrix is formed by connecting a resistor and a diode in series; the No. 1 core wire of the cable to be tested is connected with the anode of the No. 1 diode through the No. 1 resistor, and the cathode of the No. 1 diode is connected with the core wire of the No. 2 cable to be tested; by analogy, the core wire No. 3 of the cable to be tested is connected with the anode of the diode No. 3 through the resistor No. 3, and the cathode of the diode No. 3 is connected with the core wire of the cable to be tested No. 4.
Referring to fig. 3 and 4, the specific operation behavior of the wire tester is shown in the following table (taking the four-core cable testing as an example for explanation):
in actual use operation, the operation steps are as shown in fig. 5.
Before checking wiring, a user needs to connect two ends of a wire to the end A and the end B of the design, then presses the button F1 through the prompting of a PLC screen, the wire corrector can automatically finish wire correction, relevant results are displayed on the screen, and the results are about the conditions of short circuit of a circuit, open circuit of the circuit and wrong wiring of the circuit, and the user can freely check the last wire correction result by pressing the relevant buttons if the user wants to check the last wire correction result.
The automatic intelligent line inspection device of the technical scheme has the following advantages in specific application occasions:
field-in-field integration: the line is checked before the prefabricated cable of the intelligent substation is installed, and the manufacturing quality of the prefabricated cable is checked. The operation of the wire inspection device is extremely simple, and only the operator is required to have basic knowledge of wire inspection.
Occasion two: and (4) pre-manufacturing a cable to check the cable before the intelligent substation is electrified. For checking damage and misplacement of the prefabricated cable during installation.
By adopting the automatic intelligent line inspection device of the technical scheme, the inspection process of one prefabricated cable does not need one minute, the inspection process is more than several minutes and even longer time compared with the conventional cable inspection (if the cable is in error and needs to be inspected), and the line inspection efficiency of the line inspection device is very high.
The field work experience shows that all the 300 prefabricated cables of about 200-. Compared with the traditional working time of 3-4 days for 2 people, the efficiency is improved by about 80 percent.
According to the technical scheme, the connecting sequence of each core of the cable to be detected on the prefabricated cable plug is discriminated through the diode, and the on/off relation between the core and the corresponding core of the cable to be detected is judged through detecting the resistance value serially connected into the loop; the operation is extremely simple, and only the operator is required to have basic knowledge of line inspection.
The technical scheme of the invention has extremely obvious advantages in specific application occasions, is particularly suitable for line inspection of the prefabricated cable of the intelligent substation before installation and laying, and is used for inspecting the manufacturing quality of the prefabricated cable; and checking the wires of the prefabricated cables before the intelligent substation is electrified so as to check the damage and misplacement of the prefabricated cables in the installation process. The wire inspection machine can greatly reduce the consumption of manpower and material resources in the wire inspection process and greatly improve the wire inspection efficiency.
The invention can be widely applied to the field of design and manufacture of the transformer substation cable testing device.
Claims (10)
1. The utility model provides an automatic intelligent line inspection device for intelligent substation, characterized by:
providing first and second test sockets; the test socket is an n-core wire socket; n is the core number of the cable to be tested;
at a first test socket, setting n +2 relays according to the number n of cores of a cable to be tested, wherein each relay corresponds to a normally open contact;
setting a power supply;
the lower ends of the relay contacts from 1 to n-1 are correspondingly connected with the core wire jacks of the cables to be tested from 1 to n-1 respectively, and the upper ends of the relay contacts from 1 to n-1 are connected with the positive end of a power supply;
the lower ends of n-to-n +2 relay contacts in the relay contacts are correspondingly connected with core wire jacks of 2-to-n cables to be tested respectively, and the upper ends of the n-to-n +2 relay contacts are connected with the negative end of a power supply;
at the second test socket, setting n-1 resistance matrixes according to the number n of cores of the cable to be tested, wherein the resistance matrixes are respectively arranged among core wire jacks of the cable to be tested in parallel;
wherein n is 4;
a control unit is arranged to respectively control the connection or disconnection of each relay contact, thereby realizing the on-off function of the electronic switch;
inserting prefabricated cable plugs at two ends of a cable to be tested into a first test socket and a second test socket respectively;
the control unit establishes a mapping relation between the resistance matrix and the prefabricated cable plug;
the control unit respectively controls the relay contacts to carry out on and off actions in sequence and simultaneously detects the resistance values between the cable core wire loops to be detected;
the control unit controls the on and off actions of the relay contacts and detects the level change of the relay ports, so that the on-off condition between core wires at two ends of the cable to be detected is judged;
the control unit discriminates the connection sequence of each core wire of the cable to be tested on the prefabricated cable plug through the diode, and the problem of cable staggered connection is solved.
2. The automatic intelligent line inspection device for the intelligent substation according to claim 1, wherein the control unit is a single chip microcomputer or a PLC.
3. The automatic intelligent line inspection device for the intelligent substation of claim 1, wherein each I/O port of the control unit is connected to the control coil of each relay, and controls the corresponding contact of the corresponding relay to be turned on or off by outputting a high level or a low level to the control coil.
4. The automatic intelligent line inspection device for the intelligent substation of claim 1, wherein the resistor matrix is formed by connecting a resistor and a diode in series; the x-number core wire of the cable to be tested is connected with the anode of the x-number diode through the x-number resistor, and the cathode of the x-number diode is connected with the x + 1-number cable core wire to be tested; wherein x is the serial number of the core wire of the cable to be tested, the value range is 1 to n, and n is the core number of the cable to be tested.
5. The automatic intelligent line inspection device for the intelligent substation as claimed in claim 1, wherein the automatic intelligent line inspection device solves the problem of cable cross wiring by discriminating the connection sequence of each core line of the cable to be inspected on the prefabricated cable plug through a diode.
6. The automatic intelligent line inspection device for the intelligent substation according to claim 1, wherein the automatic intelligent line inspection device is connected with the resistance matrix through the relay contacts according to the number of cores of the cable to be inspected, and judges the on/off relationship between the cores and the cores corresponding to the cable to be inspected by detecting the resistance value accessed by the loop string.
7. The automatic intelligent line inspection device for the intelligent substation as claimed in claim 2, wherein the PLC is internally provided with a line inspection device kernel program, and the on/off condition of two ends of the cable to be inspected is judged by controlling the action behavior of each relay contact and sensing the port level change of each relay contact.
8. An automated intelligent line inspection apparatus for intelligent substations according to claim 1, where said control unit, power supply, relay set and first test socket are combined together to form component a, and said resistor matrix and second test socket are combined together to form component B.
9. The automatic intelligent line inspection device for the intelligent substation of claim 1, wherein the automatic intelligent line inspection device is used for line inspection before the installation of the prefabricated cable of the intelligent substation so as to inspect the manufacturing quality of the prefabricated cable.
10. The automatic intelligent line inspection device for the intelligent substation of claim 1, wherein the automatic intelligent line inspection device for the intelligent substation is used for inspecting the line of the prefabricated cable before the intelligent substation is powered on so as to inspect the damage and misplacement of the prefabricated cable during the installation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610847911.7A CN106291254B (en) | 2016-09-23 | 2016-09-23 | Automatic intelligent line inspection device for intelligent substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610847911.7A CN106291254B (en) | 2016-09-23 | 2016-09-23 | Automatic intelligent line inspection device for intelligent substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106291254A CN106291254A (en) | 2017-01-04 |
| CN106291254B true CN106291254B (en) | 2019-12-20 |
Family
ID=57714871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610847911.7A Expired - Fee Related CN106291254B (en) | 2016-09-23 | 2016-09-23 | Automatic intelligent line inspection device for intelligent substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106291254B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3404871B1 (en) * | 2017-05-17 | 2021-02-24 | ABB Power Grids Switzerland AG | Method and access unit for accessing industrial communication networks |
| CN109884457A (en) * | 2017-12-06 | 2019-06-14 | 航天科工惯性技术有限公司 | Cable makes auxiliary device and the test method for providing wiring connector for oneself using it |
| CN109884470B (en) * | 2019-03-11 | 2022-07-01 | 苏州腾征智能装备有限公司 | Precision cable testing system |
| CN114167215B (en) * | 2021-12-03 | 2023-08-15 | 国网湖南省电力有限公司 | Transformer substation secondary cable alignment system and alignment method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2054538U (en) * | 1989-06-10 | 1990-03-14 | 吉林热电厂 | Fast-speed wire-checking unit |
| CN1061661A (en) * | 1990-11-22 | 1992-06-03 | 徐玉琦 | Digital wire searcher |
| JPH09184854A (en) * | 1995-12-29 | 1997-07-15 | Hioki Ee Corp | Method for checking whether line probe for substrate inspection device is in proper state |
| CN102141592A (en) * | 2010-12-28 | 2011-08-03 | 北京铁路信号有限公司 | Cable detection method and system |
| CN202583387U (en) * | 2012-07-07 | 2012-12-05 | 山东电力集团公司青岛供电公司 | Line-aligning device of cable core line |
| CN202758030U (en) * | 2012-08-10 | 2013-02-27 | 湖南工程学院 | Intelligent cable wire pairing device |
| CN202837473U (en) * | 2012-08-03 | 2013-03-27 | 宝钢集团新疆八一钢铁有限公司 | Line checking tool for judging telephone line fault points |
| CN104569739A (en) * | 2014-12-26 | 2015-04-29 | 国家电网公司 | Multi-functional wire tracker |
| CN204925305U (en) * | 2015-09-14 | 2015-12-30 | 国网山东省电力公司济宁供电公司 | Cable intelligence is to line equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002050754A (en) * | 2000-05-08 | 2002-02-15 | Canon Inc | Semiconductor device, production method therefor, radiation detector and radiation detecting system using the same |
-
2016
- 2016-09-23 CN CN201610847911.7A patent/CN106291254B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2054538U (en) * | 1989-06-10 | 1990-03-14 | 吉林热电厂 | Fast-speed wire-checking unit |
| CN1061661A (en) * | 1990-11-22 | 1992-06-03 | 徐玉琦 | Digital wire searcher |
| JPH09184854A (en) * | 1995-12-29 | 1997-07-15 | Hioki Ee Corp | Method for checking whether line probe for substrate inspection device is in proper state |
| CN102141592A (en) * | 2010-12-28 | 2011-08-03 | 北京铁路信号有限公司 | Cable detection method and system |
| CN202583387U (en) * | 2012-07-07 | 2012-12-05 | 山东电力集团公司青岛供电公司 | Line-aligning device of cable core line |
| CN202837473U (en) * | 2012-08-03 | 2013-03-27 | 宝钢集团新疆八一钢铁有限公司 | Line checking tool for judging telephone line fault points |
| CN202758030U (en) * | 2012-08-10 | 2013-02-27 | 湖南工程学院 | Intelligent cable wire pairing device |
| CN104569739A (en) * | 2014-12-26 | 2015-04-29 | 国家电网公司 | Multi-functional wire tracker |
| CN204925305U (en) * | 2015-09-14 | 2015-12-30 | 国网山东省电力公司济宁供电公司 | Cable intelligence is to line equipment |
Non-Patent Citations (2)
| Title |
|---|
| 一种实用多功能对线器设计;余晖 等;《中国水运》;20120131;第12卷(第1期);第125-126页 * |
| 数字式电缆对线器;邱燕;《自动化与仪器仪表》;20141231;第66-67页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106291254A (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106291254B (en) | Automatic intelligent line inspection device for intelligent substation | |
| CN106526397B (en) | A kind of automated intelligent line inspection method for intelligent substation | |
| CN204731364U (en) | A kind of portable polycore cable distribution tester | |
| CN104133146A (en) | On-site test method for feeder automation fault treatment logic | |
| CN106771827A (en) | A kind of site protects the automatic school line apparatus of the single-ended pre-fabricated electric cables of transformer station and its implementation | |
| CN106569108B (en) | A kind of the resistance test system and detection method of interchanger | |
| CN111077463A (en) | Balanced maintenance system for online monitoring of storage battery | |
| CN205427089U (en) | Cable switches on insulation test device | |
| CN108152650A (en) | The automatic line inspection system of multicore cable | |
| CN108445319A (en) | A kind of fault detect tool for solenoid valve | |
| CN205656262U (en) | Control cable is to line ware based on net twine survey line ware | |
| CN204807649U (en) | Tester | |
| CN205404719U (en) | Mutual -inductor common return multipoint earthing detector | |
| CN204882853U (en) | Electric energy meter pressure resistance test installation | |
| CN217766789U (en) | Electric power secondary cable core line device | |
| CN207488442U (en) | A kind of POS machine mainboard automatic test circuit | |
| CN110221157A (en) | A kind of secondary cable core checking device | |
| CN206235693U (en) | A kind of automatic correcting line machine | |
| CN108548984A (en) | A kind of multi-function device and its assay method that line and switching value sequential are measured for intelligence | |
| CN204347181U (en) | Substation secondary cable proofreader lamp device | |
| CN206638763U (en) | A kind of site protects the automatic school line apparatus of the single-ended pre-fabricated electric cables of transformer station | |
| CN207502679U (en) | A kind of breaker temperature rises power consumption characteristics test system | |
| CN202548265U (en) | Multi-channel cable aligner | |
| CN215932102U (en) | Line testing device | |
| CN211955679U (en) | Distribution automation terminal simulation test system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 200235 No. 39, Xuhui District, Shanghai, Wuzhong Road Applicant after: Shanghai transmission and Transformation Engineering Co., Ltd. Applicant after: State Grid Shanghai Municipal Electric Power Company Address before: 200235 No. 39, Xuhui District, Shanghai, Wuzhong Road Applicant before: Shanghai Transmission and Distribution Engineering Co.,Ltd. Applicant before: State Grid Shanghai Municipal Electric Power Company |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 Termination date: 20200923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |