CN202548312U - Portable calibration standard device of dielectric loss tester - Google Patents
Portable calibration standard device of dielectric loss tester Download PDFInfo
- Publication number
- CN202548312U CN202548312U CN 201220148060 CN201220148060U CN202548312U CN 202548312 U CN202548312 U CN 202548312U CN 201220148060 CN201220148060 CN 201220148060 CN 201220148060 U CN201220148060 U CN 201220148060U CN 202548312 U CN202548312 U CN 202548312U
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- standard
- portable
- standard device
- calibration standard
- portable calibration
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- 239000003990 capacitor Substances 0.000 claims abstract description 9
- 238000012795 verification Methods 0.000 claims description 16
- 230000007423 decrease Effects 0.000 claims description 10
- 239000012212 insulator Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract 2
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009666 routine test Methods 0.000 description 1
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Abstract
The utility model relates to a portable calibration standard device of dielectric loss tester, which is a device for calibrating detection instrument of high-voltage electric equipment, and mainly applied for on-site calibrating suspected detection instrument. In its structure, standard capacitors and standard resistors are disposed in a box body and led out with terminals respectively, each standard capacitor is in series connection with at least one standard resistor; a capacitor C and a reactor X are disposed in the box body, connected in series, and then led out with terminals respectively. The portable calibration standard device has the advantages of accurate measurement reference value, flexible application, good insulation and long service life. Aiming at portability, light weight and on-site application, the portable calibration standard device adopts RC series test design to simplify complicated calibration, realize on-site in-situ calibration, and improve working efficiency. The portable calibration standard device also has advantages of small volume, light weight, good environment adaptability, convenient application, and high safety and reliability.
Description
Technical field
The utility model relates to a kind of calibration equipment, relates in particular to a kind of portable Jie and decreases tester verification standard set-up, is used to be situated between decrease the daily verification work of tester, belongs to the Electric Application field.
Background technology
The damage that is situated between test is the routine test project of capacitive apparatus, and the damage that is situated between tester working environment complicacy is harsh.Measure for realizing being situated between decreasing accurately, verification in time is situated between and decreases tester.
Present stage, the damage that is situated between tester applying unit takes with instrument send verification unit verification every year usually.Obviously, annual verification is difficult to deal with the judgement of emergency case.During work, the problem of equipment precision can occur suspecting, influence is to on-the-spot test result's judgement.
Summary of the invention
The utility model provides a kind of portable Jie to decrease tester verification standard set-up to the problem that exists in the above-mentioned prior art, has solved prior art intermediary and has decreased the inconvenient problem of tester verification, and guaranteed the precision and the accuracy of tester.
The technical scheme of the utility model is following:
The inside of casing is provided with standard capacitance and measuring resistance, and standard capacitance is connected with at least one measuring resistance respectively, and standard capacitance and measuring resistance be leading-out terminal respectively; Be provided with capacitor C and reactance X in the casing, capacitor C and reactance X series connection back be leading-out terminal respectively.
Described casing is the full-shield casing.
Described leading-out terminal adopts pure magnetic insulator.
The utility model has the advantages of as follows:
1, environmental suitability is strong, owing to adopted the full-shield casing, under any circumstance can use.
2, the witness mark value is accurate, owing to use standard capacitance and measuring resistance as assembly, thus reliable certified value is provided.
3, method of application is flexible, owing to adopted the adjustable design of RC circuit, is provided with a plurality of witness mark amounts, can supply to contrast verification.
,The good long service life that insulate because leading-out terminal adopts pure magnetic pony insulator, guarantees the reliability of insulation.Reduced the danger that the insulation cracking reduces serviceable life.
5, in the standard container design; All the time be starting point with portable, lightweight, on-the-spot practicality, adopt the design of RC series connection test product, not only complicated verification has been become simplification; Also solved the on-the-spot problem of verification on the spot; Increase work efficiency, simultaneously, volume is little, light weight, good environmental adaptability, esy to use, safe and reliable.
Description of drawings
Fig. 1 is the utility model principle wiring schematic diagram.
Wiring schematic diagram when Fig. 2 is the utility model verification.
Among the figure, C
1, standard capacitance, R
1-R
4, measuring resistance, C, electric capacity, X, reactance, 1, be situated between to decrease tester.
Embodiment
Following with reference to accompanying drawing, in conjunction with specific embodiments, the utility model is elaborated.
Embodiment
As shown in Figure 1, the inside of full-shield casing is provided with standard capacitance C
1With measuring resistance R
1, measuring resistance R
2, measuring resistance R
3And measuring resistance R
4, standard capacitance C
1Respectively with measuring resistance R
1, measuring resistance R
2, measuring resistance R
3And measuring resistance R
4Series connection, standard capacitance C
1With measuring resistance R
1, measuring resistance R
2, measuring resistance R
3And measuring resistance R
4The difference leading-out terminal; Be provided with capacitor C and reactance X in the casing, capacitor C and reactance X series connection back be leading-out terminal respectively.Described leading-out terminal adopts pure magnetic insulator.
As shown in Figure 2 during use, this device leading-out terminal is connected with test product, select the 50Hz frequency mode, use pairing comparision characterization test equipment.
The utility model adopts light material and high-level electric elements, has taken into account the Enclosure Strength and the weight of standard container, has farthest annotated portable notion.
Show 1:20 ℃ of capacitance-resistance Jie and decrease standard value
| The position | C1 goes here and there R1 | C1 goes here and there R2 | C1 goes here and there R3 | C1 goes here and there R4 | C |
| Jie's damage value | 0.47﹪ | 1.57﹪ | 2.99﹪ | 3.89﹪ | 0 |
| Electric capacity | 1114PF | 1114PF | 1114PF | 1114PF | 14303PF |
Claims (3)
1. portable Jie decreases tester verification standard set-up, it is characterized in that the inside of casing is provided with standard capacitance and measuring resistance, and standard capacitance is connected with at least one measuring resistance respectively, and standard capacitance and measuring resistance be leading-out terminal respectively; Be provided with capacitor C and reactance X in the casing, capacitor C and reactance X series connection back be leading-out terminal respectively.
2. portable Jie according to claim 1 decreases tester verification standard set-up, it is characterized in that described casing is the full-shield casing.
3. portable Jie according to claim 1 decreases tester verification standard set-up, it is characterized in that described leading-out terminal adopts pure magnetic insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220148060 CN202548312U (en) | 2012-04-10 | 2012-04-10 | Portable calibration standard device of dielectric loss tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220148060 CN202548312U (en) | 2012-04-10 | 2012-04-10 | Portable calibration standard device of dielectric loss tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202548312U true CN202548312U (en) | 2012-11-21 |
Family
ID=47168928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220148060 Expired - Lifetime CN202548312U (en) | 2012-04-10 | 2012-04-10 | Portable calibration standard device of dielectric loss tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202548312U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621513A (en) * | 2012-04-10 | 2012-08-01 | 辽宁省电力有限公司抚顺供电公司 | Calibration standard device for portable dielectric loss testers |
| CN107167754A (en) * | 2017-06-19 | 2017-09-15 | 国网辽宁省电力有限公司抚顺供电公司 | Portable medium angle of loss criteria check device |
| CN107643502A (en) * | 2017-09-26 | 2018-01-30 | 广西电网有限责任公司电力科学研究院 | A kind of high-voltage electrical apparatus detecting instrument check device |
| CN107860982A (en) * | 2017-11-06 | 2018-03-30 | 国网福建省电力有限公司 | The dielectric loss test circuit and its control method that a kind of pre- anti-induced electrical is sent |
-
2012
- 2012-04-10 CN CN 201220148060 patent/CN202548312U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621513A (en) * | 2012-04-10 | 2012-08-01 | 辽宁省电力有限公司抚顺供电公司 | Calibration standard device for portable dielectric loss testers |
| CN107167754A (en) * | 2017-06-19 | 2017-09-15 | 国网辽宁省电力有限公司抚顺供电公司 | Portable medium angle of loss criteria check device |
| CN107643502A (en) * | 2017-09-26 | 2018-01-30 | 广西电网有限责任公司电力科学研究院 | A kind of high-voltage electrical apparatus detecting instrument check device |
| CN107860982A (en) * | 2017-11-06 | 2018-03-30 | 国网福建省电力有限公司 | The dielectric loss test circuit and its control method that a kind of pre- anti-induced electrical is sent |
| CN107860982B (en) * | 2017-11-06 | 2019-12-27 | 国网福建省电力有限公司 | Dielectric loss test circuit for preventing induced electricity from being sent backwards and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |
|
| CX01 | Expiry of patent term |