CN201477202U - Insulating detection equipment maintenance device - Google Patents
Insulating detection equipment maintenance device Download PDFInfo
- Publication number
- CN201477202U CN201477202U CN2009201397056U CN200920139705U CN201477202U CN 201477202 U CN201477202 U CN 201477202U CN 2009201397056 U CN2009201397056 U CN 2009201397056U CN 200920139705 U CN200920139705 U CN 200920139705U CN 201477202 U CN201477202 U CN 201477202U
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Abstract
Disclosed is an insulating detection equipment maintenance device, a duplex potentiometer, a voltage gathering circuit, a signal processing circuit, an analog-to-digital converter, a central processing unit and a cell are arranged in the casing of the insulating detection equipment maintenance device, wherein an adjustable knob of the duplex potentiometer emerges out of the outer surface of the casing, the cell simultaneously provides power to the voltage gathering circuit, the signal processing circuit, the analog-to-digital converter and the central processing unit, one potentiometer of the duplex potentiometer is connected between the positive electrode of a direct current bus wire and virtual earth, the other potentiometer thereof is connected with the voltage gathering circuit in parallel, and the output end of the voltage gathering circuit is connected to the signal processing circuit which is connected to the central processing unit through the analog-to-digital converter. The insulating detection equipment maintenance device has the advantages that the maintenance efficiency is enhanced, thereby bringing great convenience to maintenance, and the insulating detection accuracy of the insulating detection equipment maintenance device is convenient for testing, moreover, the insulating detection equipment and the maintenance can be electrically and completely separated, thus the system safety and reliability are improved.
Description
[technical field]
The utility model is about a kind of test apparatus, is meant a kind of insulation checkout equipment attending device especially.
[background technology]
The insulation checkout equipment is used for the insulation situation and the branch switch state of two sections buses of online detection straight-flow system.The method at two sections bus span connecting resistances is directly adopted in present verification to insulation checkout equipment measuring accuracy, and there is following significant disadvantages in this method:
1. adopt the method for cross-over connection resistance, if resistance of cross-over connection again when detecting other branch roads;
2. selectable resistance is not continuously adjustable, can not test the insulation accuracy of detection of insulation detection device easily;
3. can not show the resistance that inserts resistance intuitively.
Above-mentioned defective has brought inconvenience for the maintenance of insulation checkout equipment, has reduced the maintenance efficiency of insulation checkout equipment.
[summary of the invention]
Technical problem to be solved in the utility model is to provide the insulation checkout equipment that a kind of resistance is adjustable continuously, easy to operate, safe and reliable and maintenance efficiency is high attending device.
The utility model solves the problems of the technologies described above by the following technical programs: a kind of insulation checkout equipment attending device, comprise shell, duplex potentiometer, voltage collection circuit, signal processing circuit, analog to digital converter, CPU (central processing unit) and battery, duplex potentiometer wherein, voltage collection circuit, signal processing circuit, analog to digital converter, CPU (central processing unit), battery all installs in described shell, the adjustable knob of duplex potentiometer is exposed the outside surface at described shell, described battery is connected to voltage collection circuit simultaneously, signal processing circuit, analog to digital converter, CPU (central processing unit), one of them potentiometer of described duplex potentiometer be connected on the anodal of dc bus and virtually between, the another one potentiometer is in parallel with described voltage collection circuit, the output terminal of described voltage collection circuit is connected to signal processing circuit, and the output terminal of signal processing circuit is connected to CPU (central processing unit) by analog to digital converter.
This utility model further is specially:
Also comprise the segment code type LCD display circuit of device in described shell, described battery is connected to described segment code type LCD display circuit, described segment code type LCD display circuit is connected to CPU (central processing unit), and the segment code type LCD in the described segment code type LCD display circuit exposes the outside surface at described shell.
The range of adjustment of described duplex potentiometer is 0～30k Ω.
The advantage of the utility model insulation checkout equipment attending device is: the one, can conveniently select branch road stake resistance and convenient other branch roads that detect, and improve maintenance efficiency; Two potentiometers that are to use are adjustable continuously, bring great convenience to maintenance, are convenient to test the insulation accuracy of detection of insulation checkout equipment; The 3rd, can show the resistance of institute's accent potentiometer by segment code type LCD intuitively; The 4th, the scope of application is wide, can be applicable to the insulation checkout equipment of 48V/110V/220V different size; The 5th, adopted duplex potentiometer, keep apart fully on will insulate checkout equipment and attending device are electric, improved the security and the reliability of system; The 6th, low in energy consumption, resistance precision is high, safe and reliable, easy to use.
[description of drawings]
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the schematic block circuit diagram of the utility model insulation checkout equipment attending device.
[embodiment]
See also Fig. 1, the utility model insulation checkout equipment attending device 1 comprises shell (figure does not show), duplex potentiometer 11, voltage collection circuit 12, signal processing circuit 13, analog to digital converter (ADC) 14, CPU (central processing unit) (MCU) 15, battery 16, and segment code type LCD display circuit 17, wherein duplex potentiometer 11, voltage collection circuit 12, signal processing circuit 13, analog to digital converter (ADC) 14, CPU (central processing unit) (MCU) 15, battery 16, and segment code type LCD display circuit 17 all installs in described shell, and the segment code type LCD in the adjustable knob of duplex potentiometer 11 and the segment code type LCD display circuit 17 exposes the outside surface at described shell.
One of them potentiometer of described duplex potentiometer 11 be connected on the anodal of dc bus and virtually between, described virtually by the insulation checkout equipment provide, the another one potentiometer is in parallel with described voltage collection circuit 12, be used for the collection of potentiometer resistance, convert potentiometer resistance to voltage, the two is linear relationship for potentiometer resistance and voltage.Change the resistance of two potentiometers in the duplex potentiometer 11 by the adjustable knob of regulating duplex potentiometer 11, the resistance of two potentiometers is to change synchronously.
The output terminal of described voltage collection circuit 12 is connected to signal processing circuit 13, and signal processing circuit 13 is gathered the voltage of voltage collection circuit 12 outputs.
The output terminal of signal processing circuit 13 is connected to CPU (central processing unit) 15 by analog to digital converter 14, and described segment code type LCD display circuit 17 also is connected to CPU (central processing unit) 15.Signal processing circuit 13 is input to CPU (central processing unit) 15 by analog to digital converter 14 with the voltage of gathering, and drives segment code type LCD display circuit 17 after CPU (central processing unit) 15 is handled and carries out the demonstration of the resistance value of duplex potentiometer 11.
Described battery 16 is connected to voltage collection circuit 12, signal processing circuit 13, analog to digital converter 14, CPU (central processing unit) 15 and segment code type LCD display circuit 17 simultaneously, is used for power supply.
Wherein duplex potentiometer 11 adopts high-power duplex potentiometer, and its range of adjustment is 0～30k Ω, and the potentiometer resistance of being transferred shows by the segment code type LCD in the segment code type LCD display circuit 17.
Claims (3)
1. insulation checkout equipment attending device, it is characterized in that: comprise shell, duplex potentiometer, voltage collection circuit, signal processing circuit, analog to digital converter, CPU (central processing unit) and battery, duplex potentiometer wherein, voltage collection circuit, signal processing circuit, analog to digital converter, CPU (central processing unit), battery all installs in described shell, the adjustable knob of duplex potentiometer is exposed the outside surface at described shell, described battery is connected to voltage collection circuit simultaneously, signal processing circuit, analog to digital converter, CPU (central processing unit), one of them potentiometer of described duplex potentiometer be connected on the anodal of dc bus and virtually between, the another one potentiometer is in parallel with described voltage collection circuit, the output terminal of described voltage collection circuit is connected to signal processing circuit, and the output terminal of signal processing circuit is connected to CPU (central processing unit) by analog to digital converter.
2. insulation checkout equipment attending device as claimed in claim 1, it is characterized in that: also comprise the segment code type LCD display circuit of device in described shell, described battery is connected to described segment code type LCD display circuit, described segment code type LCD display circuit is connected to CPU (central processing unit), and the segment code type LCD in the described segment code type LCD display circuit exposes the outside surface at described shell.
3. insulation checkout equipment attending device as claimed in claim 1 is characterized in that: the range of adjustment of described duplex potentiometer is 0～30k Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201397056U CN201477202U (en) | 2009-07-31 | 2009-07-31 | Insulating detection equipment maintenance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201397056U CN201477202U (en) | 2009-07-31 | 2009-07-31 | Insulating detection equipment maintenance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201477202U true CN201477202U (en) | 2010-05-19 |
Family
ID=42413454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201397056U Expired - Fee Related CN201477202U (en) | 2009-07-31 | 2009-07-31 | Insulating detection equipment maintenance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201477202U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508038A (en) * | 2011-10-18 | 2012-06-20 | 上海恒动汽车电池有限公司 | Insulating detection system and method of power battery for electric automobile |
| CN102628915A (en) * | 2012-03-28 | 2012-08-08 | 中国海洋石油总公司 | Electrical submersible pump on-line insulation detection device |
| CN105680836A (en) * | 2016-01-05 | 2016-06-15 | 孝感量子机电科技有限公司 | Therapeutic waveform outline generation method and circuit of low and medium frequency therapeutic device |
| CN106646317A (en) * | 2017-02-14 | 2017-05-10 | 国网新疆电力公司伊犁供电公司 | Portable DC insulation detector test device |
-
2009
- 2009-07-31 CN CN2009201397056U patent/CN201477202U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508038A (en) * | 2011-10-18 | 2012-06-20 | 上海恒动汽车电池有限公司 | Insulating detection system and method of power battery for electric automobile |
| CN102628915A (en) * | 2012-03-28 | 2012-08-08 | 中国海洋石油总公司 | Electrical submersible pump on-line insulation detection device |
| CN102628915B (en) * | 2012-03-28 | 2014-04-16 | 中国海洋石油总公司 | Electrical submersible pump on-line insulation detection device |
| CN105680836A (en) * | 2016-01-05 | 2016-06-15 | 孝感量子机电科技有限公司 | Therapeutic waveform outline generation method and circuit of low and medium frequency therapeutic device |
| CN106646317A (en) * | 2017-02-14 | 2017-05-10 | 国网新疆电力公司伊犁供电公司 | Portable DC insulation detector test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: FUJIAN RAZENS ELECTRIC POWER TECHNOLOGY CO., LTD. Free format text: FORMER NAME: FUZHOU RUISHENG JIBAO ENGINEERING TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 350000, Fujian, Fuzhou Gulou District 89 software Avenue, Fuzhou Software Park, E District, building 14, 3-4 floor Patentee after: Fujian Razens Electric Power Technology Co., Ltd. Address before: 350000, No. 43, building C, zone 4, Fuzhou Software Park, 89 software Avenue, Gulou District, Fujian, Fuzhou Patentee before: Fuzhou Ruisheng Jibao Engineering Technology Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20120731 |