CN101435837A - Method and apparatus for detecting insulating resistance and releasing static electricity - Google Patents

Method and apparatus for detecting insulating resistance and releasing static electricity Download PDF

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Publication number
CN101435837A
CN101435837A CNA2008101439519A CN200810143951A CN101435837A CN 101435837 A CN101435837 A CN 101435837A CN A2008101439519 A CNA2008101439519 A CN A2008101439519A CN 200810143951 A CN200810143951 A CN 200810143951A CN 101435837 A CN101435837 A CN 101435837A
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China
Prior art keywords
insulation
insulation resistance
detection
voltage
resistance
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Pending
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CNA2008101439519A
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Chinese (zh)
Inventor
谭永新
吕力
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ZHUZHOU TIANQIAO CRANE CO Ltd
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ZHUZHOU TIANQIAO CRANE CO Ltd
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Priority to CNA2008101439519A priority Critical patent/CN101435837A/en
Publication of CN101435837A publication Critical patent/CN101435837A/en
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Abstract

The invention relates to a method for detecting an insulating resistance and releasing static electricity and a device thereof. An insulating detection point is set in each position of detected equipment which needs the insulating resistance detection; a direct current power supply is arranged outside the detected equipment; direct current with certain voltage is generated through the direct current power supply and is transported to the insulating detection point set in each position of the detected equipment which needs the insulating resistance detection; simultaneously, a voltage and current detection device is arranged in the middle of a direct current loop; the change of the direct current voltage and current of the insulating detection point set in each position of the detected equipment which needs the insulating resistance detection is detected and compared through the detection device; a monitoring device carries out voltage and current calculation to obtain the insulating resistance of the insulating point, judges whether the insulating resistance of the insulating point is normal and forewarns or warns according to the detected insulating resistance; simultaneously, according to the monitoring device, the output static voltage is determined, whether static release is needed is judged, and under the condition of needing static release, the static voltage is released for passing through a resistance network.

Description

A kind of method and device that detects insulation resistance and release electrostatic
Technical field:
The present invention relates to a kind of insulating monitoring and electrostatic release method and device, refer in particular to a kind of online real-time insulated monitoring method of aluminum electrolysis multifunctional machine group and static release device of being used for.
Background technology:
At present,, avoid occurring people, machine casualty accident and loss, generally when aluminum electrolysis multifunctional machine is produced, must regularly carry out insulation resistance and detect aluminum electrolysis multifunctional machine because of insulation breakdown brings for the safety that guarantees to produce.At present, each electrolytic aluminium factory is when using homemade aluminum electrolysis multifunctional machine group, detect insulation resistance and be manual method, therefore can not reach real-time in process of production, online, the automatic detection of aluminum electrolysis multifunctional machine group, making insulation course destroy can not be anxious the time ground finds and solves, and, bring great workload and potential safety hazard for maintenance spot check workman because insulation is counted many and is difficult for detecting; Lack the system of static release function in addition at existing aluminum electrolysis multifunctional machine, and be not easy to realize for the artificial method of static release function.Therefore necessary this is improved.
Summary of the invention:
The objective of the invention is to deficiency at existing detection insulation resistance and release electrostatic method and device, propose a kind ofly can detect insulation resistance in real time, can realize that again online real-time insulation that static discharges detects the method and the static release device of insulation resistance and release electrostatic.
According to the technical scheme that purpose of the present invention proposed be: a kind of method that detects insulation resistance and release electrostatic, the insulation check point is set up in each position that need carry out the insulation resistance detection at detected equipment, and flow power supply in the outer setting of detected equipment always, direct supply produces the DC current of certain voltage, the DC current of certain voltage is transported to each need carry out position that insulation resistance detects and set up the insulation check point, the voltage and current pick-up unit is set in the middle of DC loop simultaneously, by pick-up unit relatively to the detection of each variation that need carry out position that insulation resistance detects setting up the DC voltage of insulation check point and electric current, carry out the insulation resistance that calculates insulating point of voltage and electric current by supervising device, whether the insulation resistance of judging insulating point is normal, and carries out early warning or warning according to detected insulation resistance; Can determine the output electrostatic potential according to supervising device simultaneously, need determine whether static to discharge, under the condition that needs static to discharge, then the static pressure energy be crossed resistor network and discharge.
For the safety that guarantees direct supply can be connected in series current-limiting resistance in dc power supply circuit, and need carry out position that insulation resistance detects at direct supply and each sets up between the insulation check point gauge tap can be set, carry out the switching of different insulative check point respectively by gauge tap, finish each insulation check point is implemented cycle detection;
According to a kind of device that detects insulation resistance and release electrostatic that the inventive method proposed be: a kind of device that detects insulation resistance and release electrostatic, comprise direct supply, gauge tap, insulation check point, current sensor, current-limiting resistance, voltage filter device and supervising device, wherein, the insulation check point is located at detected equipment, and each need carry out on the position of insulation resistance detection, and each need carry out position that insulation resistance detects and be provided with two insulation check points, two insulation check points respectively with the two-phase of direct supply for being electrically connected; One of dc power supply circuit after process resistance current limliting, be electrically connected with the insulation check point that each need carry out the position of insulation resistance detection respectively by gauge tap, another of dc power supply circuit then by a current sensor and each need carry out position that insulation resistance detects another insulation check point be electrically connected, it is that the supervising device of main body links to each other with one by system level chip (SOC) single-chip microcomputer that current sensor amplifies the back through filtering simultaneously, and on electric power loop, go back and be connected to the voltage filter device, the voltage filter device is that the supervising device of main body links to each other with system level chip (SOC) single-chip microcomputer simultaneously also, and by supervising device to each insulation check point enforcement cycle detection; Undertaken insulating point is switched by gauge tap during detection, and each voltage and electric current that need carry out position insulation check point that insulation resistance detects sent into the supervising device that system level chip SOC is a main body simultaneously, carry out the insulation resistance that calculates insulating point of voltage and electric current by supervising device, and according to insulation resistance output insulation resistance early warning or warning, can determine the output electrostatic potential according to supervising device simultaneously, need to determine whether static to discharge, under the condition that needs static to discharge, then the static pressure energy is crossed resistor network and discharge.
The beneficial effects of the utility model are: the inventive method and device can produce and the similar 550V DC voltage of 500V megohm meter, can detect real-time, online to each insulating point, automatically and its position static be discharged, and taken into full account equipment self and outside Insulation Problems.Industry reliability height, antijamming capability is strong, detection is sensitive and accurately, improved the production efficiency of multi-functional unit greatly, reduces labor strength, has fundamentally avoided people, machine casualty accident and loss because of insulation breakdown brings.
Description of drawings
Fig. 1 is the schematic diagram of the novel insulating monitoring of the present invention.
Fig. 2 is the schematic diagram of novel electrostatic monitoring of the present invention and release.
Fig. 3 is the novel circuit system theory of constitution figure of the present invention.
Fig. 4 is the hardware composition diagram of the novel system and device of the present invention.
Fig. 5 is the novel system operation panel figure of the present invention.
Embodiment
The present invention will be further described below in conjunction with the drawings and specific embodiments.
By accompanying drawing as can be seen, the present invention is that a kind of aluminum electrolysis multifunctional machine group detects insulation resistance and electrostatic release method, the insulation check point is set up in each position that need carry out the insulation resistance detection at aluminum electrolysis multifunctional machine, and flow power supply in the outer setting of aluminum electrolysis multifunctional machine always, direct supply produces the DC current of certain voltage, the DC current of certain voltage is transported to each need carry out position that insulation resistance detects and set up the insulation check point, the voltage and current pick-up unit is set in the middle of DC loop simultaneously, by pick-up unit relatively to the detection of each variation that need carry out position that insulation resistance detects setting up the DC voltage of insulation check point and electric current, carry out the insulation resistance that calculates insulating point of voltage and electric current by supervising device, whether the insulation resistance of judging insulating point is normal, and carries out early warning or warning according to detected insulation resistance; Can determine the output electrostatic potential according to supervising device simultaneously, need determine whether static to discharge, under the condition that needs static to discharge, then the static pressure energy be crossed resistor network and discharge.
For the safety that guarantees direct supply can be connected in series current-limiting resistance in dc power supply circuit, and need carry out position that insulation resistance detects at direct supply and each sets up between the insulation check point gauge tap can be set, carry out the switching of different insulative check point respectively by gauge tap, finish each insulation check point is implemented cycle detection.
As seen from Figure 1, according to aluminum electrolysis multifunctional machine group detection insulation resistance and static release device that the inventive method proposed be: a kind of aluminum electrolysis multifunctional machine group detects insulation resistance and static release device, comprise direct supply 1, gauge tap 2, current-limiting resistance 7, insulation check point 3 and 4, current sensor 4, voltage filter device 5 and supervising device 6, wherein, insulation check point 3 and 4 is located at aluminum electrolysis multifunctional machine, and each need carry out on the position of insulation resistance detection, and each need carry out position that insulation resistance detects be provided with two insulation check points 3 and 4, two insulation check points 3 and 4 respectively with the two-phase of direct supply for being electrically connected; A line in direct supply 1 loop is after current-limiting resistance 7 current limlitings through serial connection, be electrically connected with the insulation check point 3 that each need carry out the position of insulation resistance detection respectively by gauge tap 2, another line in direct supply 1 loop then by a current sensor 4 and each need carry out position that insulation resistance detects another insulation check point 4 be electrically connected, it is that the supervising device 9 of main body links to each other with one by system level chip (SOC) single-chip microcomputer that current sensor 4 amplifies the back through wave filter 8 filtering simultaneously, and on electric power loop, go back and be connected to voltage filter device 10, voltage filter device 10 is that the supervising device 9 of main body links to each other with system level chip (SOC) single-chip microcomputer simultaneously also, and by 9 pairs of the supervising devices check point enforcement cycle detection that respectively insulate; Undertaken insulating point is switched by gauge tap 2 during detection, and each voltage and electric current that need carry out position insulation check point that insulation resistance detects sent into the supervising device 10 that system level chip SOC is a main body simultaneously, carry out the insulation resistance that calculates insulating point of voltage and electric current by supervising device 10, and according to insulation resistance output insulation resistance early warning or warning, can determine the output electrostatic potential according to supervising device simultaneously, need to determine whether static to discharge, under the condition that needs static to discharge, then the static pressure energy is crossed resistor network and discharge.
Wherein, the direct supply that the loop generation takes place described direct supply is the direct supply of DC500-600V voltage, and the resistance value that is serially connected in the current-limiting resistance 7 in the DC loop is the 0.8-1.5 megaohm; Described supervising device comprises mechanical casing, on casing, be provided with keyboard,, liquid crystal, monitoring and trouble light show circuit board, automatic air-break switch, MCU control panel, NJU power panel, JIDQB passage change-over panel (2~4), and system connects base plate.
In Fig. 1, loop generation DC550V voltage takes place in power supply as can be seen, because device is inner may to be had electrical sensation when having the resistance current limliting about 1 megaohm (even short-circuit output current also has only 500 microamperes) nearly, personnel to touch ongoing insulation check point but can not produce substantial injury to human body; Undertaken insulating point is switched by gauge tap; Voltage and electric current are sent into the insulation resistance that calculates insulating point (according to insulation resistance output insulation resistance early warning or warning) that the SOC controller carries out voltage and electric current simultaneously.
In Fig. 2, supervising device is incorporated into the electrostatic potential that resistor network reads the tested place of monitoring by change-over switch with the static of insulating point, after the SOC control and treatment (according to voltage condition output electrostatic potential early warning or warning); If do not reach output condition, then the static pressure energy is crossed resistor network and discharge.
In Fig. 3, the Monitoring and Controlling circuit of the system level chip of device (SOC) microcomputer monitoring device also carries out static release simultaneously by switching in turn respectively the insulation resistance in 10 loops to be monitored.After scm software calculates, obtain related data, be shown on the liquid crystal display, and according to related data, output control contact.Need carry out data recording if having, 20 point data can be write down at most in each loop, can for future referencely ask.If data transfinite, preserve last data automatically.
In Fig. 4, the system monitoring device is attached to keyboard, the liquid crystal of cabinet shell by mechanical casing, monitoring and trouble light show circuit board, automatic air-break switch, microprocessor (MCU) control panel, the NJU power panel, JIDQB passage change-over panel (2~4), system connects base plate and constitutes.
In Fig. 5, guidance panel is made up of display part, button part, passage demonstration, main power switch etc.

Claims (7)

1, a kind of method that detects insulation resistance and release electrostatic, it is characterized in that: the insulation check point is set up in each position that need carry out the insulation resistance detection at detected equipment, and flow power supply in the outer setting of detected equipment always, direct supply produces the DC current of certain voltage, the DC current of certain voltage is transported to each need carry out position that insulation resistance detects and set up the insulation check point, the voltage and current pick-up unit is set in the middle of DC loop simultaneously, by pick-up unit relatively to the detection of each variation that need carry out position that insulation resistance detects setting up the DC voltage of insulation check point and electric current, carry out the insulation resistance that calculates insulating point of voltage and electric current by supervising device, whether the insulation resistance of judging insulating point is normal, and carries out early warning or warning according to detected insulation resistance; Can determine the output electrostatic potential according to supervising device simultaneously, need determine whether static to discharge, under the condition that needs static to discharge, then the static pressure energy be crossed resistor network and discharge.
2, the method for detection insulation resistance as claimed in claim 1 and release electrostatic, the safety that guarantees direct supply it is characterized in that: in order to be connected in series current-limiting resistance in dc power supply circuit, and need carry out position that insulation resistance detects at direct supply and each sets up between the insulation check point gauge tap can be set, carry out the switching of different insulative check point respectively by gauge tap, finish each insulation check point is implemented cycle detection.
3, a kind of detection insulation resistance and release electrostatic device, it is characterized in that: described detected Equipment Inspection insulation resistance and static release device comprise direct supply, gauge tap, current-limiting resistance, insulation check point, current sensor, voltage filter device and supervising device, wherein, the insulation check point is located at detected equipment, and each need carry out on the position of insulation resistance detection, and each need carry out position that insulation resistance detects and be provided with two insulation check points, two insulation check points respectively with the two-phase of direct supply for being electrically connected; A line of dc power supply circuit is after the current-limiting resistance current limliting through serial connection, be electrically connected with the insulation check point that each need carry out the position of insulation resistance detection respectively by gauge tap, another of dc power supply circuit line then by a current sensor and each need carry out position that insulation resistance detects another insulation check point be electrically connected, it is that the supervising device of main body links to each other with one by the system level chip single-chip microcomputer that current sensor amplifies the back through wave filter 8 filtering simultaneously, and on electric power loop, go back and be connected to the voltage filter device, the voltage filter device is that the supervising device of main body links to each other with the system level chip single-chip microcomputer simultaneously also, and by supervising device to each insulation check point enforcement cycle detection.
4, detection insulation resistance as claimed in claim 3 and release electrostatic, it is characterized in that: the direct supply that the loop generation takes place described direct supply is the direct supply of DC500-600V voltage, and the resistance value that is serially connected in the current-limiting resistance 7 in the DC loop is the 0.8-1.5 megaohm.
5, detection insulation resistance as claimed in claim 3 and release electrostatic, it is characterized in that: described supervising device comprises mechanical casing, on casing, be provided with keyboard,, liquid crystal, monitoring and trouble light show circuit board, automatic air-break switch, control panel, power panel, the passage change-over panel, and system connects base plate.
6, detection insulation resistance as claimed in claim 3 and release electrostatic is characterized in that: the Monitoring and Controlling circuit of the system level chip microcomputer monitoring device of described device also carries out static release simultaneously by switching in turn respectively the insulation resistance in 10 loops to be monitored; After scm software calculates, obtain related data, be shown on the liquid crystal display, and according to related data, output control contact.Need carry out data recording if having, 20 point data can be write down at most in each loop, can for future referencely ask.If data transfinite, preserve last data automatically.
7, detection insulation resistance as claimed in claim 3 and release electrostatic is characterized in that: described supervising device is incorporated into the electrostatic potential that resistor network reads the tested place of monitoring by change-over switch with the static of insulating point, after the SOC control and treatment; If do not reach output condition, then the static pressure energy is crossed resistor network and discharge.
CNA2008101439519A 2008-12-15 2008-12-15 Method and apparatus for detecting insulating resistance and releasing static electricity Pending CN101435837A (en)

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Application Number Priority Date Filing Date Title
CNA2008101439519A CN101435837A (en) 2008-12-15 2008-12-15 Method and apparatus for detecting insulating resistance and releasing static electricity

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Application Number Priority Date Filing Date Title
CNA2008101439519A CN101435837A (en) 2008-12-15 2008-12-15 Method and apparatus for detecting insulating resistance and releasing static electricity

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103018565A (en) * 2011-09-19 2013-04-03 本德尔有限两合公司 Method and device for detecting mechanical impact on electrical installations
CN103107508A (en) * 2011-11-14 2013-05-15 中国科学院沈阳自动化研究所 Insulation monitoring and protecting control device and method for multichannel underwater motor power supply loop
CN105463507A (en) * 2014-09-22 2016-04-06 沈阳铝镁设计研究院有限公司 Method and device for electrolytic tank smoke discharging pipeline valve electrostatic protection grounding of aluminum electrolytic plant
CN106505846A (en) * 2016-11-15 2017-03-15 上海玖行能源科技有限公司 A kind of soft starting circuit and soft-start method and direct-current charging post
CN106680611A (en) * 2015-11-10 2017-05-17 联创汽车电子有限公司 ESD grounding tester used for electronic manufacture workshops
CN107478974A (en) * 2017-06-26 2017-12-15 宝沃汽车(中国)有限公司 Insulation detecting method, system and the vehicle of vehicle
CN108318742A (en) * 2018-05-10 2018-07-24 株洲聚力达机电科技发展有限公司 A kind of distribution insulation resistance monitoring system
CN109507485A (en) * 2018-12-21 2019-03-22 重庆大学 A kind of liquid dielectric conductivity measurement system
CN115792416A (en) * 2022-11-04 2023-03-14 深圳市华众自动化工程有限公司 Electrostatic detection and elimination device and method

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103018565A (en) * 2011-09-19 2013-04-03 本德尔有限两合公司 Method and device for detecting mechanical impact on electrical installations
CN103018565B (en) * 2011-09-19 2016-01-20 本德尔有限两合公司 For the method and apparatus identified the physical shock on electric utility
CN103107508A (en) * 2011-11-14 2013-05-15 中国科学院沈阳自动化研究所 Insulation monitoring and protecting control device and method for multichannel underwater motor power supply loop
CN105463507B (en) * 2014-09-22 2017-12-15 沈阳铝镁设计研究院有限公司 The method and device of aluminium electrolysis shop electrolytic cell smoke discharging pipe valve anti-static grounding
CN105463507A (en) * 2014-09-22 2016-04-06 沈阳铝镁设计研究院有限公司 Method and device for electrolytic tank smoke discharging pipeline valve electrostatic protection grounding of aluminum electrolytic plant
CN106680611A (en) * 2015-11-10 2017-05-17 联创汽车电子有限公司 ESD grounding tester used for electronic manufacture workshops
CN106505846A (en) * 2016-11-15 2017-03-15 上海玖行能源科技有限公司 A kind of soft starting circuit and soft-start method and direct-current charging post
CN106505846B (en) * 2016-11-15 2019-03-26 上海玖行能源科技有限公司 A kind of soft starting circuit and soft-start method and direct-current charging post
CN107478974A (en) * 2017-06-26 2017-12-15 宝沃汽车(中国)有限公司 Insulation detecting method, system and the vehicle of vehicle
CN108318742A (en) * 2018-05-10 2018-07-24 株洲聚力达机电科技发展有限公司 A kind of distribution insulation resistance monitoring system
CN109507485A (en) * 2018-12-21 2019-03-22 重庆大学 A kind of liquid dielectric conductivity measurement system
CN115792416A (en) * 2022-11-04 2023-03-14 深圳市华众自动化工程有限公司 Electrostatic detection and elimination device and method
CN115792416B (en) * 2022-11-04 2023-06-13 深圳市华众自动化工程有限公司 Device and method for detecting and eliminating static electricity

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Open date: 20090520