CN106597104A - Device for detecting insulation resistance value of electric wire, and detection method thereof - Google Patents

Device for detecting insulation resistance value of electric wire, and detection method thereof Download PDF

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Publication number
CN106597104A
CN106597104A CN201611217863.XA CN201611217863A CN106597104A CN 106597104 A CN106597104 A CN 106597104A CN 201611217863 A CN201611217863 A CN 201611217863A CN 106597104 A CN106597104 A CN 106597104A
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CN
China
Prior art keywords
box body
insulation resistance
resistance
heating
electric wire
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.)
Pending
Application number
CN201611217863.XA
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Chinese (zh)
Inventor
李充召
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HEBEI GUOQIAN WIRES CO Ltd
Original Assignee
HEBEI GUOQIAN WIRES CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HEBEI GUOQIAN WIRES CO Ltd filed Critical HEBEI GUOQIAN WIRES CO Ltd
Priority to CN201611217863.XA priority Critical patent/CN106597104A/en
Publication of CN106597104A publication Critical patent/CN106597104A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • G01R27/025Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Abstract

The invention relates to a device for detecting an insulation resistance value of an electric wire. The device comprises a heating box, a resistance tester and a recorder, wherein the heating box is used for heating a sample to be tested, and the recorder is connected with the resistance tester. The detection method of the resistance value comprises the steps of immersing one end of the electric wire to be tested into conductive silicone oil, switching on a heating switch to heat the conductive silicone oil, and connecting the other end of the electric wire to be tested with the resistance tester for testing. The device and the detection method thereof can continuously monitor the resistance values of insulation resistance of the electric wire changing along with temperature under the condition of uninterrupted power, so as to obtain a precise curve of electric wire insulation resistance values changing with temperature.

Description

A kind of device and its detection method of detection wire insulation resistance
Technical field
The present invention relates to a kind of insulation resistance detection device, more particularly to a kind of device of detection wire insulation resistance And its detection method.
Background technology
At present, existing insulation resistance detection device can only measure the resistance of the wire insulation resistance of single temperature spot, need When drawing wire insulation resistance and varying with temperature curve, resistance during several limited temperature spots can only be first detected, Be unable to continuous detecting, measured value is centrifugal pump, it is difficult to accurately obtain wire insulation resistance and vary with temperature curve, error compared with Greatly.And when detecting each temperature spot to be measured is required for repeating setting-out, adds electro-detection, the process of power-off sampling, labor intensity Greatly.For these reasons, the insulation resistance resistance that existing apparatus also cannot be simultaneously to various electric wires under identical temperature conditionss is entered Row continuous detecting.
The content of the invention
To solve the above problems, the present invention provides a kind of device and its detection method of detection wire insulation resistance, Resistance that can be when continuous monitoring wire insulation resistance is varied with temperature in the case of not power-off, so as to obtain accurate electric wire Insulation resistance resistance varies with temperature curve.
Technical scheme:
A kind of device of detection wire insulation resistance, including for heat the heating box of testing sample, resistance meter with And the monitor being connected with resistance meter;Described heating box includes heater box body, is arranged on above heater box body Upper capping, the intrinsic conductive silicone oil of heater box is filled in, heater box is arranged on and is originally used in vivo heating the electricity of conductive silicone oil and add Heated filament and the heater switch being arranged on heater box body outer wall, are provided with sample holes, the heating box in the upper capping This is provided with vivo thermometer, and the thermometer is connected with digital indicator and monitor;The heating box body and seal thereon The material of lid is insulant.
Further, the resistance meter is earth resistance tester.
Further, the heating box body and the material that covers thereon are electric bakelite.
Further, the sample holes are no less than 2.
Further, the heating box body bottom portion is provided with charge power supply.
Further, fixation clamp is provided with the sample holes, the fixation clamp is fixedly connected with heater box body.
Further, the fixation clamp is alligator clamp.
Further, the outer sandwich establishment of the heating box body, the interlayer top is provided with water inlet, the bottom of intermediate layer Portion is provided with outlet.
Further, the method for detecting the device detection resistance resistance of wire insulation resistance, heating box switches on power, Electric wire one end to be measured is inserted in sample holes, is immersed in conductive silicone oil with one end of electric wire to be measured, and fixed with fixation clamp, beaten Open heater switch to heat conductive silicone oil, the electric wire other end to be measured is connected resistance test by the temperature observed on digital indicator Instrument is tested, and can simultaneously carry out the test of many electric wires, and resistance meter used by different electric wire tests is identical, resistance meter Temperature in test result and test process is recorded by monitor, and heater switch is closed when reaching temperature required, is being tested In journey when conductive silicon oil temperature exceed it is temperature required, interlayer top be provided with water inlet connect running water pipe in cold water to heating Case body is lowered the temperature, and cold water flows out from outlet.
Beneficial effects of the present invention:
The present invention provide detection wire insulation resistance device, can in the case of not power-off automatic continuous monitoring electricity Resistance when line insulation resistance is varied with temperature, draws accurate wire insulation resistance temperature change curve.When simultaneously to difference When several wire samples of material are detected, additionally it is possible to obtain different wire samples insulation resistance under identical temperature conditionss Change curve, can be used for R&D institution and the thermoelectricity capability test of insulant done by cable enterprise.Resistance meter is further It is connected with monitor, so as to real time record detects numerical value, obtains insulation resistance and vary with temperature curve.Detection method is grasped Make simple and convenient, test accuracy is high, and conductive silicone oil can be heated, and it can be lowered the temperature again.Heating box body of the present invention and its The material of upper capping is electric bakelite, prevents electric leakage;Sample holes are easy to multiple resistance to test simultaneously no less than 2;The heating box Body bottom portion is provided with charge power supply, and power supply can be provided for electrical heating wire using charge power supply when without external power supply;Sample introduction Fixation clamp is provided with hole, is easy to preferably fix electric wire to be measured.
Description of the drawings
The structural representation that accompanying drawing 1 is invented for the present invention.
Accompanying drawing 2 is the sectional view of invention heater box of the present invention.
In the accompanying drawings, capping, 1-3- conduction silicone oil, 1-4- electrical heating wires, 1-5- heating on 1-1- heater boxes body, 1-2- Switch, 1-6- sample holes, 1-7- thermometeies, 1-8- charge power supplies, 1-9- fixation clamps, 1-10- interlayers, 1-11- water inlets, 1- 12- outlets, 2- resistance meters, 3- monitors, 4- digital indicators.
Specific embodiment
As depicted in figs. 1 and 2, a kind of device of detection wire insulation resistance, including for heating testing sample Heating box, resistance meter 2 and the monitor 3 being connected with resistance meter 2;Described heating box includes heater box body 1- 1st, the upper capping 1-2 above heater box body 1-1, the conductive silicone oil 1-3 being filled in heater box body 1-1 are arranged on, are arranged It is used to heat the electrical heating wire 1-4 of conductive silicone oil 1-3 in heater box body 1-1 and is arranged on heater box body 1-1 outer walls On heater switch 1-5, be provided with sample holes 1-6 on the upper capping 1-2, be provided with temperature in the heating box body 1-1 Meter 1-7, the thermometer 1-7 are connected with digital indicator 4 and monitor 3;The heating box body 1-1 and 1-2 is covered thereon Material be insulant.
The resistance meter 2 is earth resistance tester.The heating box body 1-1 and the thereon material of capping 1-2 For electric bakelite.Sample holes 1-6 are no less than 2.The heating box body 1-1 bottoms are provided with charge power supply 1-8.It is described enter Fixation clamp 1-9 is provided with the 1-6 of sample hole, the fixation clamp 1-9 is fixedly connected with heater box body 1-1.The fixation clamp 1-9 is Alligator clamp.The outer sandwich establishment 1-10 of the heating box body 1-1, the interlayer 1-10 tops are provided with water inlet 1-11, described Interlayer 1-10 bottoms are provided with outlet 1-12.
The method of the device detection resistance resistance of detection wire insulation resistance, heating box switches on power, by electricity to be measured In line one end insertion sample holes 1-6, it is immersed in conductive silicone oil 1-3 with one end of electric wire to be measured, and is fixed with fixation clamp 1-9, The temperature that heater switch 1-5 is heated on observation digital indicator 4 to conductive silicone oil is opened, the electric wire other end to be measured is connected into resistance Tester 2 is tested, and can simultaneously carry out the test of many electric wires, and resistance meter 2 used by different electric wire tests is identical, resistance Temperature in the test result of tester 2 and test process is recorded by monitor 3, is reached to closing heater switch 1- when 200 DEG C 5, in test process when conductive silicone oil 1-3 temperature exceed it is temperature required, interlayer 1-10 tops be provided with water inlet 1-11 connection Cold water in running water pipe is lowered the temperature to heater box body 1-1, and cold water flows out from outlet 1-12.
The temperature is calculated as thermocouple thermometer, and the resistance meter is TH2513A/TH2513 electric wire and cable conductors Instrument for measuring DC resistance, the monitor is TY10 data logger LR8400-21ZX21, and the digital indicator is thermoelectricity Even thermometric display instrument XMZ-201.
The Hebei Guo Qian Cable Co., Ltd cable insulating resistance of table 1 varies with temperature characteristic test report
The cable insulating resistance of 2 sample of table 5 varies with temperature characteristic test
Above-mentioned test result is the result that 5 samples are tested simultaneously in apparatus of the present invention.Test heating mode:5 DEG C -94 DEG C, 2 DEG C of interval;Temperature retention time:10 seconds.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention. Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one The most wide scope for causing.

Claims (9)

1. it is a kind of detection wire insulation resistance device, it is characterised in that include for heat testing sample heating box, Resistance meter(2)And and resistance meter(2)Connected monitor(3);Described heating box includes heater box body(1- 1), be arranged on heater box body(1-1)The upper capping of top(1-2), be filled in heater box body(1-1)Interior conductive silicone oil (1-3), be arranged on heater box body(1-1)It is interior for heating conductive silicone oil(1-3)Electrical heating wire(1-4)And be arranged on plus Hot tank body(1-1)Heater switch on outer wall(1-5), the upper capping(1-2)On be provided with sample holes(1-6), it is described to add Incubator body(1-1)Inside it is provided with thermometer(1-7), the thermometer(1-7)It is connected with digital indicator(4)And monitor (3);The heating box body(1-1)And cover thereon(1-2)Material be insulant.
2. it is according to claim 1 detection wire insulation resistance device, it is characterised in that the resistance meter (2)For earth resistance tester.
3. it is according to claim 1 detection wire insulation resistance device, it is characterised in that the heating box body (1-1)And cover thereon(1-2)Material be electric bakelite.
4. it is according to claim 1 detection wire insulation resistance device, it is characterised in that the sample holes(1- 6)No less than 2.
5. it is according to claim 1 detection wire insulation resistance device, it is characterised in that the heating box body (1-1)Bottom is provided with charge power supply(1-8).
6. it is according to claim 1 detection wire insulation resistance device, it is characterised in that set in the sample holes It is equipped with fixation clamp(1-9), the fixation clamp(1-9)With heater box body(1-1)It is fixedly connected.
7. it is according to claim 6 detection wire insulation resistance device, it is characterised in that the fixation clamp(1- 9)For alligator clamp.
8. it is according to claim 7 detection wire insulation resistance device, it is characterised in that the heating box body (1-1)Outer sandwich establishment(1-10), the interlayer(1-10)Top is provided with water inlet(1-11), the interlayer bottom is provided with Outlet(1-12).
9., with the method for the device detection resistance resistance for detecting wire insulation resistance described in claim 8, its feature exists In heating box switches on power, and electric wire one end to be measured is inserted into sample holes(1-6)In, it is immersed in conduction with one end of electric wire to be measured Silicone oil(1-3)In, and use fixation clamp(1-9)It is fixed, open heater switch(1-5)To conductive silicone oil(1-3)Heating, observation numeral Display instrument(4)On temperature, by the electric wire other end to be measured connect resistance meter(2)Tested, can simultaneously be carried out many electricity The test of line, resistance meter used by different electric wire tests(2)It is identical, resistance meter(2)In test result and test process Temperature pass through monitor(3)Record, closes heater switch when reaching temperature required(1-5), conductive silicon is worked as in test process Oil(1-3)Temperature exceedes temperature required, interlayer(1-10)Top is provided with water inlet(1-11)The cold water connected in running water pipe To heater box body(1-1)Cooling, cold water is from outlet(1-12)Flow out.
CN201611217863.XA 2016-12-26 2016-12-26 Device for detecting insulation resistance value of electric wire, and detection method thereof Pending CN106597104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611217863.XA CN106597104A (en) 2016-12-26 2016-12-26 Device for detecting insulation resistance value of electric wire, and detection method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611217863.XA CN106597104A (en) 2016-12-26 2016-12-26 Device for detecting insulation resistance value of electric wire, and detection method thereof

Publications (1)

Publication Number Publication Date
CN106597104A true CN106597104A (en) 2017-04-26

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108801332A (en) * 2018-03-24 2018-11-13 浙江海宁普赛自动化科技有限公司 A kind of characterization processes in power cord production system
CN111239492A (en) * 2020-02-06 2020-06-05 张军 Power transmission cable resistance measurement method and system
CN111239519A (en) * 2020-02-06 2020-06-05 张军 Electric energy monitoring method
CN111239493A (en) * 2020-02-06 2020-06-05 张军 Method for measuring resistance of power transmission cable
CN113959913A (en) * 2021-09-28 2022-01-21 浙江欣旺达电子有限公司 Breaker internal dust particle detection device and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200741215A (en) * 2006-04-21 2007-11-01 Hon Hai Prec Ind Co Ltd Method for resistance measuring
CN201163219Y (en) * 2007-12-20 2008-12-10 贵州黎阳航空发动机公司 Armored thermal resistor calibrating device for aircraft engine
CN202465602U (en) * 2012-03-11 2012-10-03 赵杰 Oil and water separation device
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
CN205539196U (en) * 2016-01-29 2016-08-31 东旭(营口)光电显示有限公司 Resistance measuring device
CN205720442U (en) * 2016-06-29 2016-11-23 攀枝花学院 Temp.-controlled type electric conductivity test device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200741215A (en) * 2006-04-21 2007-11-01 Hon Hai Prec Ind Co Ltd Method for resistance measuring
CN201163219Y (en) * 2007-12-20 2008-12-10 贵州黎阳航空发动机公司 Armored thermal resistor calibrating device for aircraft engine
CN202465602U (en) * 2012-03-11 2012-10-03 赵杰 Oil and water separation device
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
CN205539196U (en) * 2016-01-29 2016-08-31 东旭(营口)光电显示有限公司 Resistance measuring device
CN205720442U (en) * 2016-06-29 2016-11-23 攀枝花学院 Temp.-controlled type electric conductivity test device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108801332A (en) * 2018-03-24 2018-11-13 浙江海宁普赛自动化科技有限公司 A kind of characterization processes in power cord production system
CN111239492A (en) * 2020-02-06 2020-06-05 张军 Power transmission cable resistance measurement method and system
CN111239519A (en) * 2020-02-06 2020-06-05 张军 Electric energy monitoring method
CN111239493A (en) * 2020-02-06 2020-06-05 张军 Method for measuring resistance of power transmission cable
CN113959913A (en) * 2021-09-28 2022-01-21 浙江欣旺达电子有限公司 Breaker internal dust particle detection device and method

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Application publication date: 20170426