CN101839956A - Secondary cable alignment device - Google Patents

Secondary cable alignment device Download PDF

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Publication number
CN101839956A
CN101839956A CN 201010163670 CN201010163670A CN101839956A CN 101839956 A CN101839956 A CN 101839956A CN 201010163670 CN201010163670 CN 201010163670 CN 201010163670 A CN201010163670 A CN 201010163670A CN 101839956 A CN101839956 A CN 101839956A
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China
Prior art keywords
slave
microchip controller
main frame
secondary cable
line connector
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CN 201010163670
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Chinese (zh)
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CN101839956B (en
Inventor
张宪荣
张长椿
李闽榕
陈彬
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State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Sanming Power Supply Co of State Grid Fujian Electric Power Co Ltd
Qingliu Power Supply Co of State Grid Fujian Electric Power Co Ltd
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Qingliu Power Supply Co of State Grid Fujian Electric Power Co Ltd
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Application filed by Qingliu Power Supply Co of State Grid Fujian Electric Power Co Ltd filed Critical Qingliu Power Supply Co of State Grid Fujian Electric Power Co Ltd
Priority to CN 201010163670 priority Critical patent/CN101839956B/en
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Abstract

The invention relates to a secondary cable alignment device, which mainly comprises a host, a slave, a host cable clamp and a slave cable clamp. The secondary cable alignment device has the advantages of small and exquisite size, easy operation, accuracy and reliability. The core of the alignment device adopts a low-power consumption microcontroller to collect and control chips, and thus, the whole device is small and light. The collecting part of the alignment device is a special-purpose cable clamp, which can ensure that the special-purpose cable clamp is in contact with a reliable external insulating part and prevent interference between cable cores. A recognition program adopts a PIC microcontroller technology, and the cable core can be recognized by using a frequency generating and collecting device. The alignment device can realize rapid and accurate recognition of multiple cable cores of a secondary cable. The power consumption of the alignment device is small; a rechargeable lithium battery is used as a power supply to avoid frequently charging or replacing a battery, and thus, the trouble of replacing a battery and charging can be solved.

Description

The secondary cable line connector
Technical field
The present invention relates to a kind of secondary cable to line equipment, particularly a kind of secondary device secondary cable core line connector that is applicable to transformer station.
Background technology
In transformer station's installation process, the laying installation of secondary cable is an important process, and just there is very important together operation this work the inside---to line.After line procedures finished, the Installation and Debugging of follow-up equipment could launch smoothly, and therefore the height to line correctness and efficient directly affects the project installation progress.In the past the Line Connectivity Test Tool of Shi Yonging as: line lamp shortcoming is taken electricity, contact badly easily, bulb is perishable; Phone is exactly the cost height of phone own to line, also wants other configure dedicated power supply, and power consumption is big, every day usefulness, charging every day can't guarantee to use; Doing line connector with the digital universal meter that open close test function is arranged uses, the mode that prompting is communicated with is the pilot lamp sound of holding concurrently, effect is all right, but cost an arm and a leg, complete machine work during to line, power consumption and wasting one's talent on a petty job in vain, efficient is not high, and the site operation personnel are complaint, Line Connectivity Test Tool inconvenience loaded down with trivial details to line etc. often.In case any carelessness or mistake occur during the lineman done, just start anew to test one by one again, delay work and mistake.Therefore, develop the on-the-spot secondary cable line connector that is suitable for of a cover.Its characteristics are to be easy to carry, use simple, accurately, reliable and meet the desired condition of work on the spot.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part, and provide a kind of applicable to the secondary cable line connector of substation secondary device cable core to line.
The secondary cable line connector, its structural feature is: comprise main frame, slave, the main frame wire clamp that is connected with main frame, the slave wire clamp that is connected with slave:
Main frame comprises microchip controller, analog channel switch, operation indicating device, frequency generation module, switch key, the output terminal of frequency generation module, switch key is electrically connected with the microchip controller respectively, the input end and the microchip controller of operation indicating device are electrically connected, the microchip controller produces the line code signal more than 2 tunnel, and signal realizes that through the analog channel switch send the intermittence of signal;
Slave comprises the microchip controller, operation indicating device, switch key, frequency acquisition module, line code display device, the output terminal of frequency acquisition module, switch key is electrically connected with the microchip controller respectively, and the input end of operation indicating device, line code display device is electrically connected with the microchip controller respectively.
Secondary cable line connector of the present invention, main frame microchip controller controlled frequency generation module produces line frequency signal, this signal realizes that through the analog channel switch send the intermittence of signal, the operation indicating device that links to each other with main frame microchip controller is used to show whether host work is normal, and switch key is used to start or stop the work of main frame.The frequency acquisition module of described slave is used to gather signal that main frame frequency generation module sends realizing the identification of cable core, and line code shows that the corresponding way that is used to show through identification signal is promptly to the toe-in fruit.The operation indicating device is identical with the function and the main frame of switch key.
In use, open the line connector power supply of two host and slave processors earlier, next clamping is good respectively (presses numerical order clamping on the wire clamp respectively according to the actual core number of cable with the wire clamp of main frame line connector with the core exposed part of secondary cable one end, as long as just connect the wire clamp of 1-4 such as 4 cores), begin testing (the cable core actual number that detects according to the scene in the testing process decides the highest wire size sign indicating number that will detect) with the wire clamp of slave line connector at the other end of secondary cable then to line.
The slave of described secondary cable line connector also includes sound-producing device, and the input end of described sound-producing device and microchip controller are electrically connected.
In secondary cable line connector slave, add sound-producing device, can alleviate operator's labour intensity toe-in really being carried out the acoustic control indication.
Described main frame frequency generation module is the PWM module.
The PWM module of little PIC single-chip microcomputer inside has outstanding steady operation performance, adopt the PWM module to be operated under the pulse-width modulation PWM waveform mode that output resolution ratio reaches 10 PWM waveform from the RC mouth, the dutycycle of waveform can just can be produced the PWM waveform of different frequency and dutycycle by the value of write cycle time register and pulse width register by hardware.
Described slave frequency acquisition module is the PWM catcher.
Described microchip controller is little PIC single-chip microcomputer.
Adopt little PIC singlechip technology, little singlechip chip is low in energy consumption, efficient height, aboundresources are carried out in instruction.
Described microchip controller has the AD analog-to-digital conversion module.
In that being set on the microchip controller, the AD analog-to-digital conversion module can make this secondary cable line connector have when battery supply in the line connector is not enough, to have the battery undervoltage alarm that the prompting user will be to this alignment device charging to guarantee the operate as normal of line connector.
The AD analog-to-digital conversion module of described microchip controller or for the microchip controller it carries, or be external module.
Described AD analog-to-digital conversion module is 10 high precision analogue conversions.
Described microchip controller has the SPI interface.
The SPI interface is a kind of synchronous serial interface, and spi bus is a kind of three-way synchronous bus, allows 8 bit data synchronized transmission and receptions, because of its hardware capabilities very strong, the software relevant with SPI is just quite simple, makes CPU have more time to handle other affairs, therefore is used widely.
The SPI interface of described microchip controller or for the microchip controller it carries, or be external module.
Described main frame wire clamp, with the microchip controller of slave wire clamp and main frame or slave between or for fixedlying connected, or for by on the microchip controller, drawing insert row with the main frame wire clamp, carry out socket connection from upper thread folder and corresponding main frame, slave.
The insulating material covering is adopted in outside at main frame wire clamp or slave wire clamp.
Can prevent that at the exhausted level of the outside employing of a wire clamp material covering touching causes signal to disturb between core.
The shared microchip controller of described main frame and slave.
In sum, the advantage of this secondary cable line connector is:
This line connector self is small and exquisite, not only uses simply, and accurately, reliably.What its line connector core adopted is little single-chip microcomputer collection of low-power consumption, control chip, complete machine is small and exquisite, light, the line connector collecting part is special-purpose wire clamp, guarantee that the reliable exterior insulation part of contact can prevent the mutual interference between core and the core again, recognizer adopts little PIC singlechip technology, utilize frequency to take place, collector is realized distinguishing of cable core, the multi-thread core of realization secondary cable is quick and precisely judged, the line connector oneself power consumption is little, and use power supply to be charged lithium cells, need not often charging or change battery, saved in the trouble of changing battery and charging, so from on-the-spot operating position, this alignment device is convenient to carrying of operating personnel, wire clamp need only be clipped tested cable core during use and get final product, and has alleviated workmen's working strength greatly, saved the line time, increased work efficiency.
Description of drawings
Fig. 1 is the main frame functional-block diagram of secondary cable line connector
Fig. 2 is the slave functional-block diagram of secondary cable line connector
Fig. 3 is the synoptic diagram of circuit of main frame, the slave common sparing of secondary cable line connector
Fig. 4 is the circuit diagram of the own part of main frame of secondary cable line connector
Fig. 5 is the circuit diagram of the own part of slave of secondary cable line connector
Fig. 6 is the sound prompting circuit diagram
Embodiment
Below in conjunction with embodiment the present invention is described in more detail.
Embodiment 1
A kind of secondary cable line connector shown in Fig. 1-2, comprises main frame and slave.Described main frame comprises main frame wire clamp, microchip controller, analog channel switch, operation indicating device, frequency generation module, switch key, the output terminal of frequency generation module, switch key is electrically connected respectively at the microchip controller, the input end and the microchip controller of operation indicating device are electrically connected, the microchip controller produces the line code signal more than 2 tunnel, and signal realizes that through the analog channel switch send the intermittence of signal.Described slave comprises slave wire clamp, microchip controller, operation indicating device, switch key, frequency acquisition module, line code display device, the output terminal of sound-producing device, frequency acquisition module, switch key is electrically connected with the microchip controller respectively, and the input end of operation indicating device, line code display device, sound-producing device is electrically connected with the microchip controller respectively.Described main frame frequency generation module is the PWM module.Described slave frequency acquisition module is the PWM catcher.Described microchip controller is little PIC single-chip microcomputer, and described microchip controller is for self having the microchip controller of 10 high-precision A analog-to-digital conversion modules.Described microchip controller is for self having the microchip controller of SPI interface.Described main frame wire clamp, and the microchip controller of slave wire clamp and main frame or slave between for by on the microchip controller, drawing insert row with the main frame wire clamp, carry out socket connection from upper thread folder and corresponding main frame, slave.The insulating material covering is adopted in outside at main frame wire clamp or slave wire clamp.The shared microchip controller of described main frame and slave.
During the work of this secondary cable line connector:
1. open secondary cable line connector host and slave processors power supply earlier, whether run indicator and the line under-voltage pilot lamp observed on the alignment device be bright, if run indicator is bright, under-voltage pilot lamp does not have bright, and then available this secondary cable line connector begins to carry out line.
2. the wire clamp with the secondary cable line connector is clipped in respectively on the exposed core part at secondary cable two ends, clip behind the line connector wire clamp, two wire clamp positions of moving main line connector find the device signal lamp to be shown as a lead of 8 earlier, red line is clipped in the position of unknown core in the only mobile then main line connector, notes not wanting between wire clamp short circuit to line the time.
3. to after the unknown core test,, put on the number pipe for respectively the secondary cable core, finish the lineman is done by the indication of the signal modulation code on the alignment device.
The public partial graph of host and slave processors line connector module as shown in Figure 3:
This line connector master unit adopts the little PIC single-chip microcomputer of chip 16F877A, the design mainly uses the integrated PWM driver module of this chip internal, clock capture module, SPI serial output module, serial communication module and I/O control module, and its external attached junior unit is respectively:
1. push-button unit: be master and slave line connector function selecting, put 1 and be host mode, put 0 and be slave mode;
2. reset circuit: be resetting of the little single-chip microcomputer of PIC, restart routine work;
3. clock unit: for the little single-chip microcomputer of PIC provides a stable work clock source;
4. power filter is handled: install filter capacitor additional at both ends of power, play the noise in the filtering working power, improve stability;
5. the indicating member of working: be the line connector relay indicating light, master chip and program operate as normal are described;
Main line connector circuit part as shown in Figure 4:
This circuit part is a signal distribution circuit, selects by the subchannel of analog switch, and eight tunnel different signals are outputed on the connector of eight mouths, has corresponding line code value to be respectively on the wire clamp of plug-in unit 1-8 number.
As shown in Figure 5 from the line connector circuit part:
To be display unit by charactron show this partial circuit judges that the signal that core collects shows 1-8 number for which number value is corresponding, and by the glittering demonstration line connector of D4LED lamp find to the condition prompting of cable core;
Sound prompting circuit as shown in Figure 6:
This element circuit is the sound prompting circuit, is judged as when collecting the cable core line code by the PIC single-chip microcomputer, and it is sounded through the I/O port controlling, reminds the user to find core.

Claims (10)

1. secondary cable line connector is characterized in that: comprise main frame, slave, the main frame wire clamp that is connected with main frame, the slave wire clamp that is connected with slave:
Main frame comprises microchip controller, analog channel switch, operation indicating device, frequency generation module, switch key, the output terminal of frequency generation module, switch key is electrically connected respectively at the microchip controller, the input end and the microchip controller of operation indicating device are electrically connected, the microchip controller produces the line code signal more than 2 tunnel, and signal realizes that through the analog channel switch send the intermittence of signal;
Slave comprises the microchip controller, operation indicating device, switch key, frequency acquisition module, line code display device, the output terminal of frequency acquisition module, switch key is electrically connected with the microchip controller respectively, and the input end of operation indicating device, line code display device is electrically connected with the microchip controller respectively.
2. secondary cable line connector according to claim 1 is characterized in that: the slave of described secondary cable line connector also includes sound-producing device, and the input end of described sound-producing device and microchip controller are electrically connected.
3. secondary cable line connector according to claim 2 is characterized in that: described main frame frequency generation module is the PWM module.
4. secondary cable line connector according to claim 3 is characterized in that: described slave frequency acquisition module is the PWM catcher.
5. secondary cable line connector according to claim 4 is characterized in that: described microchip controller is little PIC single-chip microcomputer.
6. secondary cable line connector according to claim 5, it is characterized in that: described microchip controller has the AD analog-to-digital conversion module, the AD analog-to-digital conversion module of described microchip controller or for the microchip controller it carries, or be external module.
7. secondary cable line connector according to claim 6 is characterized in that: described microchip controller has the SPI interface, the SPI interface of described microchip controller or for the microchip controller it carries, or be external module.
8. according to any one described secondary cable line connector of claim 1-7, it is characterized in that: described main frame wire clamp, with the microchip controller of slave wire clamp and main frame or slave between or for fixedlying connected, or for by on the microchip controller, drawing insert row with the main frame wire clamp, carry out socket connection from upper thread folder and corresponding main frame, slave.
9. secondary cable line connector according to claim 8 is characterized in that: the insulating material covering is adopted in the outside at main frame wire clamp or slave wire clamp.
10. secondary cable line connector according to claim 1 is characterized in that: the shared microchip controller of described main frame and slave.
CN 201010163670 2010-04-30 2010-04-30 Secondary cable alignment device Active CN101839956B (en)

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Application Number Priority Date Filing Date Title
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102193048A (en) * 2011-05-19 2011-09-21 郭小定 Intelligent lead aligner
CN103399247A (en) * 2013-07-11 2013-11-20 国家电网公司 Alignment device special for electrical energy metering
CN104091542A (en) * 2014-06-20 2014-10-08 国家电网公司 Underground distribution network cable marker terminal
CN106841898A (en) * 2016-12-29 2017-06-13 纳恩博(天津)科技有限公司 A kind of Wire bundle testing apparatus
CN109188179A (en) * 2018-10-19 2019-01-11 国网山东省电力公司淄博供电公司 A kind of secondary cable multifunctional core line apparatus
CN110308363A (en) * 2019-06-24 2019-10-08 广州华铭电力科技有限公司 A kind of family table of forceful electric power state is to line method, apparatus and system
CN111198338A (en) * 2019-12-24 2020-05-26 河南平高电气股份有限公司 Plug connector pin sequence number identification method and system, host and slave
CN116990725A (en) * 2023-09-27 2023-11-03 成都电科星拓科技有限公司 Cable in-place signal indication system and method

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CN201654162U (en) * 2010-04-30 2010-11-24 福建省电力有限公司清流供电局 Secondary cable sorter

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102193048A (en) * 2011-05-19 2011-09-21 郭小定 Intelligent lead aligner
CN102193048B (en) * 2011-05-19 2013-04-10 郭小定 Intelligent lead aligner
CN103399247A (en) * 2013-07-11 2013-11-20 国家电网公司 Alignment device special for electrical energy metering
CN104091542A (en) * 2014-06-20 2014-10-08 国家电网公司 Underground distribution network cable marker terminal
CN104091542B (en) * 2014-06-20 2016-01-20 国家电网公司 Underground distribution network cable marking terminal
CN106841898A (en) * 2016-12-29 2017-06-13 纳恩博(天津)科技有限公司 A kind of Wire bundle testing apparatus
CN109188179A (en) * 2018-10-19 2019-01-11 国网山东省电力公司淄博供电公司 A kind of secondary cable multifunctional core line apparatus
CN110308363A (en) * 2019-06-24 2019-10-08 广州华铭电力科技有限公司 A kind of family table of forceful electric power state is to line method, apparatus and system
CN111198338A (en) * 2019-12-24 2020-05-26 河南平高电气股份有限公司 Plug connector pin sequence number identification method and system, host and slave
CN111198338B (en) * 2019-12-24 2022-09-06 河南平高电气股份有限公司 Plug connector pin sequence number identification method and system, host and slave
CN116990725A (en) * 2023-09-27 2023-11-03 成都电科星拓科技有限公司 Cable in-place signal indication system and method
CN116990725B (en) * 2023-09-27 2023-12-12 成都电科星拓科技有限公司 Cable in-place signal indication system and method

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