CN110018350A - A kind of conductor DC resistance quick, intelligent measuring system online - Google Patents

A kind of conductor DC resistance quick, intelligent measuring system online Download PDF

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Publication number
CN110018350A
CN110018350A CN201910345973.1A CN201910345973A CN110018350A CN 110018350 A CN110018350 A CN 110018350A CN 201910345973 A CN201910345973 A CN 201910345973A CN 110018350 A CN110018350 A CN 110018350A
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CN
China
Prior art keywords
conductor
cabinet
quick
measuring system
intelligent measuring
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Pending
Application number
CN201910345973.1A
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Chinese (zh)
Inventor
朱勤芬
蒋达元
万敏杰
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Sinostar Cable Co Ltd
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Sinostar Cable Co Ltd
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Priority to CN201910345973.1A priority Critical patent/CN110018350A/en
Publication of CN110018350A publication Critical patent/CN110018350A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

The present invention relates to a kind of conductor DC resistance quick, intelligent measuring systems online, it includes hoistable platform, thermostat is equipped on the hoistable platform, the thermostat includes insulating box and constant temperature control box, bridge gripper is equipped in the insulating box, the bridge gripper is connected with digital electric bridge, conductor inlet and outlet and inlet and outlet are equipped on cabinet I, if being equipped with dry temperature sensor on case lid, circulation high-efficiency axial-flow blower is equipped at II lower part both ends of cabinet, it is connected with air heater, the temperature sensor and air heater are all connected with control module.The present invention, which is able to satisfy conductor DC resistance on-line testing and is in the process, not to be influenced by site environment temperature, it is tested under isoperibol, it solves conductor DC resistance in production process and detects brought measurement error, the waste of material and the waiting of testing result, improve the accuracy of detection data, stock utilization is improved, production efficiency is improved.

Description

A kind of conductor DC resistance quick, intelligent measuring system online
Technical field
The present invention relates to a kind of cable test devices, and in particular to a kind of conductor DC resistance On-line rapid measurement system.
Background technique
After Xi'an geothermic field " triumphant cable difficult to understand " event occurs, it is whole to comprehensive special project of wire and cable manufacturing enterprise to trigger country Control with normalization supervision, push directly on wires and cables industry by extensive style speed scale competition accelerate turn to quality, brand, The competition of credit.
Wire and cable belongs to the light industry of material heavy industry, and main material of the conductor thread core as cable primarily serves transmission The effect of electric current, conductor DC resistance are one of the important indicator for characterizing cable electrical performance, precise measurement conductor DC resistance To control product quality and production cost important role.Cable industry conductor DC resistance tester is double bridge at present And plain clamp is caused conductor temperature very bigger than ambient temperature deviation, is by pressing mold when drawn when detection due to conductor More accurately test result, reviewer usually intercept the sample of 1.5m or so, allow conductor in laboratory isoperibol for acquisition Under slowly cool down, make every effort to test data closer to true value, reduce the loss of test error bring copper material and non-compliant wind Danger, but also lead to that time loss is larger and material loss is larger, therefore, only realization on-line checking can be only achieved and improve efficiency It is controllable with cost of implementation.
On-line measurement of the whole industry to conductor DC resistance for a long time always feels very tired because of " indeterminacy " It is puzzled.In the environmental factor of had an impact cable D.C. resistance, temperature/humidity is most important influence factor.In national standard GB/ In T3048.4-2007 it has been specified that conductor DC resistance test ambient temperature be 15 ~ 25 DEG C, air humidity be not more than 85%, and Variation of ambient temperature should be no more than ± 1 DEG C.But tested in production scene, this cannot complete to survey under conditions of stabilization Amount, in this case with the variation of temperature, conductor DC resistance can also change therewith;Therefore in measurement process, measurement Value can not really reflect its practical resistance sizes of wire and cable.The detecting instrument of less error has not been reached yet in the country at present To realize higher requirement.For this purpose, promoting the technological means of measurement, the level and control conductor material consumption of high quality control are proposed Science, develop accurately conductor DC resistance on-line measurement device and cable industry development inexorable trend.
Summary of the invention
Goal of the invention: purpose of the invention is to overcome the shortcomings in the prior art, provides a kind of conductor DC resistance Online quick, intelligent measuring system, it is in not during being able to satisfy conductor DC resistance on-line testing by site environment temperature It influences, is tested under isoperibol, solve the waste that conductor DC resistance in production process detects brought measurement error, material With the waiting of testing result, the accuracy of detection data is improved, improves stock utilization, improves production efficiency.
Technical solution: in order to solve the above-mentioned technical problem, a kind of conductor DC resistance of the present invention quick intelligence online It is capable of measuring system, it includes hoistable platform, thermostat is equipped on the hoistable platform, the thermostat includes constant temperature Case is equipped with bridge gripper in the insulating box, and the bridge gripper is connected with digital electric bridge, and perseverance is equipped with by the insulating box Warm control cabinet, the insulating box include cabinet I and case lid, conductor inlet and outlet and inlet and outlet are equipped on the cabinet I, in institute If stating case lid equipped with dry temperature sensor, the constant temperature control box includes cabinet II, is equipped at the II lower part both ends of cabinet High-efficiency axial-flow blower is recycled, matches special nichrome heater on the Fan pipeline of the circulation high-efficiency axial-flow blower, in institute State II top of cabinet equipped with touch control screen, 0.1 DEG C of resolution ratio of operating temperature number show, total power switch, fan switch, Heater switch, thermal light and Overtemp. protector, the temperature sensor and air heater are all connected with control module, tool There are dual overtemperature prote and complete machine earth leakage protective, securely and reliably.Insulating box interior air-flow forced circulation, temperature is uniform and stable, thermometric Point be reasonably distributed, meet conductor DC resistance testing standard GB/T3048.4-2007 " sample place and test during, ring The variation of border temperature should be no more than ± 1 DEG C ", reach the measurement request of equalized temperature.
Conductor to be measured, which passes through, to be arranged on the bridge gripper that I liang of side conductor inlet and outlet of cabinet are placed into case.
The bridge gripper is folded on the conductor to be measured in cabinet I.
The conductor inlet and outlet are located in the left and right sides of cabinet I.
The inlet and outlet is located on the trailing flank of cabinet I.
The control module includes signal acquisition module and microprocessor module, the signal acquisition module and temperature sensing Device is connected, and the microprocessor module is connected with air heater.
Over-temperature sensor is equipped with by the air heater, the over-temperature sensor is connected with microprocessor module.
The heater box includes stainless steel casing and polyurethane hardboard insulating layer, in the junction of the cabinet I and case lid Equipped with silastic sealing strip.
The hoistable platform is in addition to that can also adjust tilt angle, it can lead according on production line with oscilaltion Inclined angle is guided between take-up to adjust.
This system includes mobile lifting platform, intelligent constant incubator, bridge gripper, four part of QJ36B digital D. C. bridge, tool There is detection data to be automatically stored, transfer function.
Intelligent constant incubator important technological parameters:
Temperature controlling range :+0 DEG C ...+60 DEG C;
Temperature uniformity: < ± 0.5 DEG C;
Temperature fluctuation: < ± 0.5 DEG C;
Power supply: AC220V 50HZ;
Power: 1.5KW.
Operating room's temperature digital is shown, is controlled using color touch screen, and control is correct, reading is intuitive, resolution ratio 0.1 ℃.Separately match 5 temp monitoring functions, can continuously monitor the temperature of test zone.Circulating fan uses high-efficiency axial-flow blower, matches Special nichrome heater, fever is rapid, control is sensitive.
The utility model has the advantages that compared with prior art, the present invention its remarkable advantage is: blower starting of the invention, system wind follow Ring continuous service, air heating element carry out computer heating control to system under that action of the control module, and entire hot-air system control is steady Fixed and accurate, multi-route measuring temperature point carries out precise measurement to each portion's temperature of system, and entire bridge gripper is totally placed in insulating box, Insulating box can go up and down or adjust the test angle of online conducting wire and bridge gripper with measure field position, facilitate the reality at scene Operation, after the completion of test, test data real-time display is simultaneously connected by data acquisition module with the interface of touch screen, except test Precision is higher outer, can automatically be calculated by the realization of QJ36B electric bridge conductor DC resistance, be exported, USB flash disk stores and passes The function of transporting to the end PC meets the requirement of wires and cables industry quality and cost control.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is the operation principle schematic diagram of thermostat in the present invention;
Fig. 3 is the schematic perspective view of thermostat in the present invention;
Fig. 4 is the main view of thermostat in the present invention;
Fig. 5 is the connection schematic diagram of control module and temperature sensor, air heater, over-temperature sensor in the present invention.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of conductor DC resistance quick, intelligent survey online of the present invention Amount system, it includes hoistable platform 1, and thermostat 2 is equipped on the hoistable platform 1, and electricity is equipped in the thermostat 2 Bridge fixture 3, the bridge gripper 3 are connected with digital electric bridge 4, and the thermostat 2 includes insulating box 5, by the insulating box 5 Equipped with constant temperature control box 6, the insulating box 5 includes cabinet I 7 and case lid 8, and the heater box 5 includes stainless steel casing and poly- ammonia Ester hardboard insulating layer is equipped with silastic sealing strip in the junction of the cabinet I 7 and case lid 8, is equipped with and leads on the cabinet I 7 Body inlet and outlet 9 and inlet and outlet 10, the conductor inlet and outlet 9 are located in the left and right sides of cabinet I 7, the inlet and outlet 10 It is located on the trailing flank of cabinet I 7, if being equipped with dry temperature sensor 11 on the case lid 8, the constant temperature control box 6 includes case Body II 12 is equipped with circulation high-efficiency axial-flow blower at the II 12 lower part both ends of cabinet, in the wind of the circulation high-efficiency axial-flow blower Machine pipeline is equipped with nichrome heater, is equipped with touch control screen 15,0.1 DEG C of resolution ratio of work on II 12 top of cabinet Make temperature digital show, total power switch, fan switch, heater switch, thermal light and Overtemp. protector, in the cabinet Control module 18 is equipped in II 12, the temperature sensor 11 and nichrome heater are all connected with control module 18, constant temperature 5 interior air-flow forced circulation of case, temperature is uniform and stable, and temperature measuring point is reasonably distributed, and meets conductor DC resistance testing standard GB/ T3048.4-2007 " during sample is placed and is tested, the variation of environment temperature should be no more than ± 1 DEG C ", reaches equalized temperature Measurement request, conductor 19 to be measured, which passes through, to be arranged on the bridge gripper 3 that I 7 liang of side conductors of cabinet inlet and outlet 9 are placed into case, The bridge gripper 3 is folded on the conductor to be measured 19 in cabinet I 7, and the control module 18 includes 20 He of signal acquisition module Microprocessor module 21, the signal acquisition module 20 are connected with temperature sensor 11, the microprocessor module 21 and nickel chromium triangle Alloy heater is connected, and over-temperature sensor 22, the over-temperature sensor 22 and Wei Chu are equipped with by the nichrome heater Device module 21 is managed to be connected.Blower starting of the invention, the operation of system wind circulation continuous, air heating element are acted in control module Under computer heating control is carried out to system, the control of entire hot-air system is stable and accurate, and multi-route measuring temperature point carries out each portion's temperature of system Precise measurement, entire bridge gripper are totally placed in insulating box, and insulating box can go up and down or adjust with measure field position The test angle of line conducting wire and bridge gripper facilitates the practical operation at scene, and after the completion of test, test data real-time display is simultaneously led to It crosses data acquisition module to be connected with the interface of touch screen, in addition to measuring accuracy is higher, can be realized by QJ36B electric bridge to conductor D.C. resistance is automatically calculated, is exported, USB flash disk stores and be transmitted to the function at the end PC, meets wires and cables industry quality And the requirement of cost control.
The present invention provides a kind of thinking and methods, and there are many method and the approach for implementing the technical solution, the above institute Stating is only the preferred embodiment of the present invention, it is noted that for those skilled in the art, is not being departed from Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications also should be regarded as guarantor of the invention Range is protected, all undefined components in this embodiment can be implemented in the prior art.

Claims (8)

1. a kind of conductor DC resistance quick, intelligent measuring system online, it is characterised in that: it includes hoistable platform (1), in institute Hoistable platform (1) is stated equipped with thermostat (2), is equipped with bridge gripper (3) in the thermostat (2), the electric bridge folder Tool (3) is connected with digital electric bridge (4), and the thermostat (2) includes insulating box (5), and constant temperature is equipped with by the insulating box (5) Control cabinet (6), the insulating box (5) include cabinet I (7) and case lid (8), are equipped with conductor on the cabinet I (7) and import and export (9) and inlet and outlet (10), in the case lid (8) if on be equipped with dry temperature sensor (11), the constant temperature control box (6) includes Cabinet II (12) is equipped with circulating fan (13) at cabinet II (12) the lower part both ends, the blower in the circulating fan (13) Pipeline is equipped with air heater (14), is equipped with touch control screen (15), facility switching (16) on cabinet II (12) top With indicator light (17), control module (18) are equipped in the cabinet II (12), the temperature sensor (11) and air heating Device (14) is all connected with control module (18).
2. conductor DC resistance according to claim 1 quick, intelligent measuring system online, it is characterised in that: conductor to be measured (19) through setting on the bridge gripper (3) that two side conductor of cabinet I (7) inlet and outlet (9) are placed into case.
3. conductor DC resistance according to claim 2 quick, intelligent measuring system online, it is characterised in that: the electric bridge Fixture (3) is folded on the conductor to be measured (19) in cabinet I (7).
4. conductor DC resistance according to claim 1 quick, intelligent measuring system online, it is characterised in that: the conductor Inlet and outlet (9) are located in the left and right sides of cabinet I (7).
5. conductor DC resistance according to claim 1 quick, intelligent measuring system online, it is characterised in that: the disengaging Air port (10) is located on the trailing flank of cabinet I (7).
6. conductor DC resistance according to claim 1 quick, intelligent measuring system online, it is characterised in that: the control Module (18) includes signal acquisition module (20) and microprocessor module (21), the signal acquisition module (20) and temperature sensing Device (11) is connected, and the microprocessor module (21) is connected with air heater (14).
7. conductor DC resistance according to claim 6 quick, intelligent measuring system online, it is characterised in that: in the sky Over-temperature sensor (22) are equipped with by hot-air heater (14), the over-temperature sensor (22) is connected with microprocessor module (21).
8. conductor DC resistance according to claim 1 quick, intelligent measuring system online, it is characterised in that: the constant temperature Case (5) includes stainless steel casing and polyurethane hardboard insulating layer, is equipped with silicon rubber in the junction of the cabinet I (7) and case lid (8) Glue sealing strip.
CN201910345973.1A 2019-04-26 2019-04-26 A kind of conductor DC resistance quick, intelligent measuring system online Pending CN110018350A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910345973.1A CN110018350A (en) 2019-04-26 2019-04-26 A kind of conductor DC resistance quick, intelligent measuring system online

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Application Number Priority Date Filing Date Title
CN201910345973.1A CN110018350A (en) 2019-04-26 2019-04-26 A kind of conductor DC resistance quick, intelligent measuring system online

Publications (1)

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CN110018350A true CN110018350A (en) 2019-07-16

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110568262A (en) * 2019-07-19 2019-12-13 成都市科创节能材料有限公司 Equipment and method for steady-state detection of heat-insulating coating
CN112964311A (en) * 2021-04-19 2021-06-15 天津福尔欣汽车线缆有限公司 Test device for testing current-carrying capacity of automobile cable and maximum conductor temperature rise during overload
CN113156213A (en) * 2021-05-08 2021-07-23 无锡市计量测试院 Conductor direct current resistance on-line measuring device and method
WO2021212816A1 (en) * 2020-04-25 2021-10-28 江苏亨通电力电缆有限公司 Cable early-warning monitoring test platform

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US5119034A (en) * 1989-07-12 1992-06-02 Murata Manufacturing Co., Ltd. Method of measuring dielectric material constants and measuring device employed therefor
CN101706530A (en) * 2009-10-30 2010-05-12 浙江万马电缆股份有限公司 Cable conductor DC resistance on-line detection device and method thereof
CN103309376A (en) * 2013-06-21 2013-09-18 河南开启电力实业有限公司 Resistance measurement device and resistance measurement method of finished cables
CN104698282A (en) * 2015-03-19 2015-06-10 苏州市职业大学 Resistance-temperature characteristic testing method
CN205959503U (en) * 2016-06-03 2017-02-15 三江学院 Open resistance temperature coefficient tester
CN206096262U (en) * 2016-09-29 2017-04-12 江苏永鼎盛达电缆有限公司 Constant temperature DC resistance measuring device
CN206906482U (en) * 2017-07-07 2018-01-19 秦皇岛富连京电子股份有限公司 A kind of constant temperature resistance test platform
CN207263831U (en) * 2017-09-06 2018-04-20 中铁建电气化局集团康远新材料有限公司 A kind of resistance instrument constant temperature storage device
CN109444544A (en) * 2018-11-02 2019-03-08 国网辽宁省电力有限公司丹东供电公司 A kind of portable constant temperature D.C. resistance calibration equipment
CN208752141U (en) * 2018-09-03 2019-04-16 湖北鄂电萃宇电缆有限公司 Online conductor resistance test macro

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5119034A (en) * 1989-07-12 1992-06-02 Murata Manufacturing Co., Ltd. Method of measuring dielectric material constants and measuring device employed therefor
CN101706530A (en) * 2009-10-30 2010-05-12 浙江万马电缆股份有限公司 Cable conductor DC resistance on-line detection device and method thereof
CN103309376A (en) * 2013-06-21 2013-09-18 河南开启电力实业有限公司 Resistance measurement device and resistance measurement method of finished cables
CN104698282A (en) * 2015-03-19 2015-06-10 苏州市职业大学 Resistance-temperature characteristic testing method
CN205959503U (en) * 2016-06-03 2017-02-15 三江学院 Open resistance temperature coefficient tester
CN206096262U (en) * 2016-09-29 2017-04-12 江苏永鼎盛达电缆有限公司 Constant temperature DC resistance measuring device
CN206906482U (en) * 2017-07-07 2018-01-19 秦皇岛富连京电子股份有限公司 A kind of constant temperature resistance test platform
CN207263831U (en) * 2017-09-06 2018-04-20 中铁建电气化局集团康远新材料有限公司 A kind of resistance instrument constant temperature storage device
CN208752141U (en) * 2018-09-03 2019-04-16 湖北鄂电萃宇电缆有限公司 Online conductor resistance test macro
CN109444544A (en) * 2018-11-02 2019-03-08 国网辽宁省电力有限公司丹东供电公司 A kind of portable constant temperature D.C. resistance calibration equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110568262A (en) * 2019-07-19 2019-12-13 成都市科创节能材料有限公司 Equipment and method for steady-state detection of heat-insulating coating
WO2021212816A1 (en) * 2020-04-25 2021-10-28 江苏亨通电力电缆有限公司 Cable early-warning monitoring test platform
CN112964311A (en) * 2021-04-19 2021-06-15 天津福尔欣汽车线缆有限公司 Test device for testing current-carrying capacity of automobile cable and maximum conductor temperature rise during overload
CN113156213A (en) * 2021-05-08 2021-07-23 无锡市计量测试院 Conductor direct current resistance on-line measuring device and method

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