CN109631733A - In be pressed into disk cable conductor performance intelligent detection device and system - Google Patents
In be pressed into disk cable conductor performance intelligent detection device and system Download PDFInfo
- Publication number
- CN109631733A CN109631733A CN201811491561.0A CN201811491561A CN109631733A CN 109631733 A CN109631733 A CN 109631733A CN 201811491561 A CN201811491561 A CN 201811491561A CN 109631733 A CN109631733 A CN 109631733A
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- cable
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/28—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring areas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/14—Measuring resistance by measuring current or voltage obtained from a reference source
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention discloses disk cable conductor performance intelligent detection device and system is pressed into one kind, described device includes Power Management Unit, central processing unit, cable length measuring unit, cable conductor parameter measurement unit, system temperature detection unit, data display transmission unit, battery module；Disk cable conductor performance intelligent detection device and interface module are pressed into the system comprises in.It is pressed into disk cable conductor performance intelligent detection device testing result in, obtains cable length, cable conductor resistance, cable conductor cross section parameter, disk cable conductor performance quality can be pressed into comprehensive descision, ensure and be safely operated after midium voltage cable networks.The present invention effectively improves into disk midium voltage cable quality testing speed, midium voltage cable inspection of incoming merchandise general survey on site is applicable in work, it can realize that test data cloud stores simultaneously, form test database, tracing property quality evaluation is carried out for midium voltage cable supplier, is suitble to large-scale promotion, ensures midium voltage cable networking quality.
Description
Technical field
The present invention relates at being pressed into disk cable performance measuring technique more particularly to one kind, disk cable conductor performance is intelligent to be examined
Survey apparatus and system.
Background technique
With High-speed Urbanization, power cable dosage is quicklyd increase.High-tension cable product, from design, production, factory
And scene completion all strict implement related check methods, guarantee that product meets demand of technical standard, therefore cable quality problem
It is less.And midium voltage cable is relatively easy by technique, new networking cable Supplier Number rapid growth, there are part supplier not by
Standard production leads to the outstanding problems such as product does not meet technical specification, familial defect takes place frequently, wherein most common problem first is that
Cross-sectional area of conductor is undesirable.Such as cross-sectional area of conductor is nominally 400 square millimeters of cable, it is practical there was only 300 square millimeters, no
It is unqualified to only result in cable conductor resistance, and will lead to cable conductor and attachment crimping pipe size mismatch, in operational process
Failure is generated, electric power netting safe running is influenced.
Midium voltage cable conductor parameter is using factory sampling examination at present, by detecting the resistance of one meter of long cable sample and leading
Body structure size determines whether whole disk cable conductor parameter is qualified, does not carry out resistance detection at disk cable, there is very overall situation
It is sex-limited.Current cable conductor material testing apparatus existing on the market has a single function, can only test cable conductor resistance, it is defeated manually
Enter environment temperature, then the resistance value being scaled under normal temperature.Only there are USB interfaces for test device, and derived resistance is surveyed
Try data, it is also necessary to test report be completed by human-edited, be unable to satisfy intellectualized detection demand.
Summary of the invention
Goal of the invention: in view of the above problems, the present invention proposes to be pressed into disk cable conductor performance intelligent detection device in one kind
And system.
Technical solution: to achieve the purpose of the present invention, the technical scheme adopted by the invention is that: disk cable is pressed into one kind
Conductor performance intelligent detection device, including the measurement of cable length computing module, cable conductor parameter calculating module, cable length are single
Member, cable conductor parameter measurement unit, Power Management Unit and battery module；The cable length measuring unit passes through interface mould
Block connects tested cable and obtains linear measure longimetry data, and calculates cable length by cable length computing module；The cable is led
Body parameter measurement unit connects tested cable by interface module and obtains conductor parameter measurement data, and passes through cable conductor parameter
Computing module calculates cable conductor parameter；The Power Management Unit generation isolated power supply, respectively cable length computing module,
Cable conductor parameter calculating module, cable length measuring unit, the power supply of cable conductor parameter measurement unit；Battery module is power supply
Administrative unit power supply.
Further, the cable length measuring unit include impulse ejection and receiving module, window compare and signal at
Manage module, high speed counting module；Impulse ejection and receiving module transmitting pulse are injected by interface module and are tested cable, and are received
The reflected impulse that tested cable distal end generates；Window compares and signal processing module generates suddenly according to transmitting pulse and reflected impulse
Pulse；Supercomputing module counts the time cycle number between transmitting pulse and reflected impulse according to steep-sided pulse.
Further, the cable conductor parameter measurement unit includes that constant-current supply, measuring resistance module, tested cable are straight
Leakage resistance AM access module, ADC analog-to-digital conversion and isolation module, four-wire system Signal interface module；Constant-current supply generates constant current
Output connects measuring resistance module by the current feed of four-wire system Signal interface module and tested cable D.C. resistance accesses mould
Block；Tested cable D.C. resistance AM access module connects tested cable by interface module；ADC analog-to-digital conversion and isolation module pass through
The voltage lead of four-wire system Signal interface module obtains voltage signal.
Further, the intelligent detection device further includes temperature detecting unit, and the temperature detecting unit includes temperature
Sensor and chip temperature provide temperature correction coefficient, cable conductor parameter calculating module for cable conductor parameter calculating module
Cable conductor DC resistance is modified according to temperature correction coefficient.
Further, the intelligent detection device further include information show transmission unit, for show test result and into
The transmission of row data.
Further, the information show transmission unit include Keysheet module, LCD MODULE, 485 interface modules or
4G network module.
Further, the ADC analog-to-digital conversion and isolation module include two-pass DINSAR input high precision analogue conversion circuit,
Digital circuit and analog circuit are using digital isolating chip isolation.
Be pressed into disk cable conductor performance intelligent checking system in one kind, including in be pressed into disk cable conductor performance intelligent measurement
Device and interface module.
Further, the interface module is clamp, and caliper inboard is ellipse.
The utility model has the advantages that intelligent detection device of the invention, does not need manually to carry out waveform recognition, directly be compared by window
Circuit realizes transmitting pulse and reflected impulse time interval counter, and directly carries out length computation by central processing unit, uses
Convenient and efficient, testing result is intuitive, is conducive to field application.It is long at disk midium voltage cable that live key detection can be achieved in the present invention
Degree, cable conductor resistance, cable conductor section effectively improve into disk midium voltage cable quality testing speed, are applicable in pressure on site
Cable inspection of incoming merchandise general survey work, while can realize that test data cloud stores, test database is formed, midium voltage cable is supplied
Quotient carries out tracing property quality evaluation, is suitble to large-scale promotion, ensures midium voltage cable networking quality.
The present invention is provided with adaptive clamp, ensure that test process compared to conventional field cable conductor detection device
In contact area and contact reliability, advantageously ensure that measurement accuracy.
Detailed description of the invention
Fig. 1 is pressed into the structural schematic diagram of disk cable conductor performance intelligent detection device in being；
Fig. 2 is the structural schematic diagram of clamp, and (a) clamp open, (b) clamp nature.
Specific embodiment
Further description of the technical solution of the present invention with reference to the accompanying drawings and examples.
As shown in Figure 1, being pressed into disk cable conductor performance intelligent detection device, including central processing list in of the present invention
Member 1, cable length measuring unit 4, cable conductor parameter measurement unit 5, temperature detecting unit 14, Power Management Unit 15, electricity
Pond module 16, information show transmission unit 17.
In be pressed into disk cable conductor performance intelligent checking system, including in be pressed into disk cable conductor performance intelligent detection device
With interface module (20), cable length measuring unit (4) connects tested cable by interface module (20), and cable conductor parameter is surveyed
It measures unit (5) and connects tested cable by interface module (20).
Interface module 20 is clamp, and caliper inboard is ellipse, increases contact area, the cable that can hold stripping tightly completely is led
Body, and two sides will not encounter together up and down when clamp clamp cable conductor.
Central processing unit 1 includes cable length computing module 2 and cable conductor parameter calculating module 3, realizes that cable is long
The calculating of degree, cable conductor DC resistance and section.2 data of cable length computing module are derived from cable length measuring unit 4, electricity
3 data of cable conductor parameter calculating module are derived from cable conductor parameter measurement unit 5.
Cable length measuring unit 4 includes impulse ejection and receiving module 6, window compare and signal processing module 7, high speed
Counting module 8.Impulse ejection and receiving module 6 emit pulse and inject tested cable by interface module 20, are tested cable distal end
Reflected impulse is generated, impulse ejection and receiving module 6 receive reflected impulse, and external big disturbing pulse is inhibited to enter instrument damage
Bad internal circuit.Transmitting pulse and reflected impulse are compared by window and signal processing module 7 generates failing edge or rising edge foot
Enough steep impulse waves, filtering interference signals, and it is sent to high speed counting module.High speed counting module is by 100,000,000 crystal as oscillation
Frequency emits the time cycle number between pulse and reflected impulse by programmable high-speed counters count, and passes through cable
Length computation module 2 calculates cable length.
Cable conductor parameter measurement unit 5 connects including constant-current supply 9, measuring resistance module 10, tested cable D.C. resistance
Enter module 11, ADC analog-to-digital conversion and isolation module 12, four-wire system Signal interface module 13.Constant-current supply 9 can produce several hundred milliamperes
Constant current to dozens of Ann exports, and connects 10 He of measuring resistance module using the current feed of four-wire system Signal interface module 13
Tested cable D.C. resistance AM access module 11, using the voltage lead of four-wire system Signal interface module 13 by ADC analog-to-digital conversion and
Isolation module 12 obtains voltage signal, and calculates cable conductor parameter by cable conductor parameter calculating module 3.
Tested cable D.C. resistance AM access module (11) connects tested cable, measuring resistance module by interface module (20)
10 distinguish the voltage value of testing standard resistance and tested cable resistance under same electric current with tested cable series connection, calculate tested
Cable DC resistance.
It is tested into disk cable conductor to pass through four-wire system input current and measure voltage, avoids contact with Resistance Influence measurement essence
Degree, while resistance capacitance and inductance capacitor filtering are used, inhibit external interference signals to enter internal circuit, and protect internal electricity
Road.ADC analog-to-digital conversion and isolation module 12 are made of two-pass DINSAR input high precision analogue conversion circuit, digital circuit and simulation
Circuit is using digital isolating chip isolation.
Temperature detecting unit 14 includes temperature sensor and chip temperature, 14 automatic collection site environment of temperature detecting unit
Temperature provides temperature correction coefficient for cable conductor parameter calculating module 3, and cable conductor parameter calculating module 3 is according to acquisition
Temperature, which directly hinders cable conductor, to be modified.
Power Management Unit 15 generates the power supply of three tunnels isolation, gives central processing unit 1, cable length measuring unit respectively
4, cable conductor parameter measurement unit 5 is powered.Battery module 16 is the power supply of Power Management Unit 15.
Information shows that transmission unit 17 includes Keysheet module, LCD MODULE, 485 interface modules, 4G network module；Key
System parameter and function setting of the disk module for detection device, liquid crystal display is for showing test result, according to test result
In conductor directly hinder, cross-sectional area of conductor parameter etc. may determine that whether tested cable qualified.485 interface modules for connect computer into
The transmission of row data；4G network module is used to that test result to be sent to portable intelligent terminal 18 or Cloud Server by 4G network
19。
Portable intelligent terminal 18 shows the data that transmission unit 17 is sent by 4G network receiving information, can supplement input quilt
The information such as test cable number, producer, operator generate test report and achieve, while test data and report are passed through 4G
Network is uploaded to Cloud Server 19, and disk cable conductor parameter database is pressed into formation.
The main working process of present system is as follows:
(1) clamp are connected tested cable by tester, select suitable test gear, starting one key test；
(2) cable length measuring unit is to being tested the injection transmitting pulse of whole disk cable, and by window compare and signal at
Manage module, high speed counting module obtain transmitting pulse and reflected impulse between time difference, cable length computing module according to when
Between difference calculate cable length；
(3) cable conductor parameter measurement unit generates constant current injection measuring resistance and tested cable, and passes through modulus
Conversion obtains measuring resistance and tested cable ends voltage, and cable conductor parameter calculation unit calculates cable conductor resistance；
(4) temperature detecting unit automatic collection site environment temperature, cable conductor parameter calculating module is according to the temperature of acquisition
Degree, which directly hinders cable conductor, to be modified, and calculates cable conductor sectional area；
(5) above-mentioned steps 2,3,4 are that device is automatically performed, and test result shows the liquid crystal in transmission unit by information
Display module feeds back to tester, and tester judges whether cable is qualified, and is selectively uploaded to test result just
Take intelligent terminal or Cloud Server.
Claims (10)
1. being pressed into disk cable conductor performance intelligent detection device in one kind, which is characterized in that including cable length computing module
(2), cable conductor parameter calculating module (3), cable length measuring unit (4), cable conductor parameter measurement unit (5), power supply
Administrative unit (15) and battery module (16)；
The cable length measuring unit (4) connects tested cable and obtains linear measure longimetry data, and calculates mould by cable length
Block (2) calculates cable length；
The cable conductor parameter measurement unit (5) connects tested cable and obtains conductor parameter measurement data, and is led by cable
Body parameter calculating module (3) calculates cable conductor parameter；
The Power Management Unit (15) generates isolated power supply, respectively cable length computing module (2), cable conductor parameter meter
Calculate module (3), cable length measuring unit (4), cable conductor parameter measurement unit (5) power supply；Battery module (16) is power supply
Administrative unit (15) power supply.
2. being pressed into disk cable conductor performance intelligent detection device according to claim 1, which is characterized in that the cable
Length measurement unit (4) includes impulse ejection and receiving module (6), window compares and signal processing module (7), high-speed counting mould
Block (8)；
Impulse ejection and receiving module (6) transmitting pulse are injected by interface module (20) is tested cable, and receives tested cable
The reflected impulse that distal end generates；
Window compares and signal processing module (7) is according to transmitting pulse and reflected impulse generation steep-sided pulse；
Supercomputing module (8) counts the time cycle number between transmitting pulse and reflected impulse according to steep-sided pulse.
3. being pressed into disk cable conductor performance intelligent detection device according to claim 1, which is characterized in that the cable
Conductor parameter measurement unit (5) includes constant-current supply (9), measuring resistance module (10), tested cable D.C. resistance AM access module
(11), ADC analog-to-digital conversion and isolation module (12), four-wire system Signal interface module (13)；
Constant-current supply (9) generates constant current output, connects standard by the current feed of four-wire system Signal interface module (13)
Resistive module (10) and tested cable D.C. resistance AM access module (11)；
Tested cable D.C. resistance AM access module (11) connects tested cable by interface module (20)；
Measuring resistance module (10) and tested cable series connection, under same electric current, testing standard resistance and tested cable are electric respectively
The voltage value of resistance calculates tested cable DC resistance；
ADC analog-to-digital conversion and isolation module (12), which obtain voltage by the voltage lead of four-wire system Signal interface module (13), to be believed
Number.
4. being pressed into disk cable conductor performance intelligent detection device according to claim 1 or 2 or 3, which is characterized in that institute
Stating intelligent detection device further includes temperature detecting unit (14), and the temperature detecting unit (14) includes temperature sensor and temperature
Chip provides temperature correction coefficient for cable conductor parameter calculating module (3), and cable conductor parameter calculating module (3) is according to temperature
Degree correction factor is modified cable conductor DC resistance.
5. being pressed into disk cable conductor performance intelligent detection device according to claim 1 or 2 or 3, which is characterized in that institute
Stating intelligent detection device further includes that information shows transmission unit (17), for showing test result and carrying out data transmission.
6. being pressed into disk cable conductor performance intelligent detection device according to claim 5, which is characterized in that the information
Show that transmission unit (17) include Keysheet module, LCD MODULE, 485 interface modules or 4G network module.
7. with being pressed into disk cable conductor performance intelligent detection device according in as claimed in claim 3, which is characterized in that the ADC
Analog-to-digital conversion and isolation module (12) include two-pass DINSAR input high precision analogue conversion circuit, and digital circuit and analog circuit are adopted
It is isolated with digital isolating chip.
8. being pressed into disk cable conductor performance intelligent checking system in one kind, which is characterized in that including as described in claim 1-7
In be pressed into disk cable conductor performance intelligent detection device and interface module (20), the cable length measuring unit (4) is by connecing
Mouth mold block (20) connects tested cable, and the cable conductor parameter measurement unit (5) passes through the tested electricity of interface module (20) connection
Cable.
9. with being pressed into disk cable conductor performance intelligent checking system according to according to any one of claims 8, which is characterized in that the interface
Module (20) is clamp.
10. with being pressed into disk cable conductor performance intelligent checking system according in as claimed in claim 9, which is characterized in that the card
Pincers inside is ellipse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811491561.0A CN109631733A (en) | 2018-12-07 | 2018-12-07 | In be pressed into disk cable conductor performance intelligent detection device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811491561.0A CN109631733A (en) | 2018-12-07 | 2018-12-07 | In be pressed into disk cable conductor performance intelligent detection device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109631733A true CN109631733A (en) | 2019-04-16 |
Family
ID=66071811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811491561.0A Pending CN109631733A (en) | 2018-12-07 | 2018-12-07 | In be pressed into disk cable conductor performance intelligent detection device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109631733A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631485A (en) * | 2019-11-05 | 2019-12-31 | 中铁十一局集团电务工程有限公司 | Cable conductor comprehensive tester |
| CN112098900A (en) * | 2020-11-23 | 2020-12-18 | 北京天创凯睿科技有限公司 | Testing device and testing method for cable connection state |
| CN112432587A (en) * | 2020-09-22 | 2021-03-02 | 国网江西省电力有限公司电力科学研究院 | Method for judging length section of whole-disc cable conductor |
| CN113406389A (en) * | 2021-05-06 | 2021-09-17 | 江苏省电力试验研究院有限公司 | Quality measuring device for coiled cable conductor |
| CN114034742A (en) * | 2021-11-16 | 2022-02-11 | 国网江苏省电力有限公司电力科学研究院 | System and method for detecting conductor material of coiled power cable |
| CN115420181A (en) * | 2022-08-23 | 2022-12-02 | 国网山东省电力公司电力科学研究院 | Coiled cable length measuring method and system, electronic equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110631485A (en) * | 2019-11-05 | 2019-12-31 | 中铁十一局集团电务工程有限公司 | Cable conductor comprehensive tester |
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| CN113406389A (en) * | 2021-05-06 | 2021-09-17 | 江苏省电力试验研究院有限公司 | Quality measuring device for coiled cable conductor |
| CN114034742A (en) * | 2021-11-16 | 2022-02-11 | 国网江苏省电力有限公司电力科学研究院 | System and method for detecting conductor material of coiled power cable |
| CN115420181A (en) * | 2022-08-23 | 2022-12-02 | 国网山东省电力公司电力科学研究院 | Coiled cable length measuring method and system, electronic equipment and storage medium |
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| CB03 | Change of inventor or designer information |
Inventor after: Hu Libin Inventor after: Chen Jie Inventor after: Cao Jingxing Inventor after: Liu Yang Inventor after: Tao Fengbo Inventor after: Li Chenying Inventor after: Tan Xiao Inventor before: Hu Libin Inventor before: Chen Jie Inventor before: Kong Dewu Inventor before: Zheng Qishi Inventor before: Ding Peng Inventor before: Ma Junfang Inventor before: Li Chenying Inventor before: Tan Xiao Inventor before: Cao Jingxing |
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Application publication date: 20190416 |
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