CN2260333Y - High voltage bug dust specific resistance testing device - Google Patents
High voltage bug dust specific resistance testing device Download PDFInfo
- Publication number
- CN2260333Y CN2260333Y CN 95226145 CN95226145U CN2260333Y CN 2260333 Y CN2260333 Y CN 2260333Y CN 95226145 CN95226145 CN 95226145 CN 95226145 U CN95226145 U CN 95226145U CN 2260333 Y CN2260333 Y CN 2260333Y
- Authority
- CN
- China
- Prior art keywords
- pan
- ash
- platform
- specific resistance
- proving installation
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a high voltage bug dust specific resistance testing device which replaces the dispersing arrangement of the existing bug dust specific resistance testing device into centralized control type and uses a rotary top thread type ashtray with unique design to improve the testing precision of the specific resistance. The utility model is innovated on the aspects of the thermostatic control, the combination method of the apparatus and the instrument, and the structure of the platform of the ashtray, etc. and is an ideal device to test the specific resistance of the industrial dust.
Description
A kind of proving installation of measuring industrial dust high pressure ratio resistance that is applicable to.
At present, high pressure dust specific resistance test board in having used, generally adopt non-dish desk-top, surveying instrument, instrument branch intersperse among on the desktop, and various measurement parameters disperse observing and controlling, do not form a kind of calibrator, high-field electrode (ash-pan) on the electrode case inner pallet is fixed, because low-field electrode is placed on the ash sample with hand with vision, causes the deviation of electrode concentricity and ash sample surface pressure, influence is than the measuring accuracy of resistance.
The purpose of this utility model provides a kind of convenient test, reliable, industrial dust high pressure ratio resistance test device that degree of accuracy is high.
The utility model is a kind of knockdown proving installation, is constituted by operation board platform (1), high temperature electrode case (2), high voltage direct current generator (3), four separate parts of non-productive operation platform (4).In order to measure conveniently, the instrument that this device will can be concentrated in high-tension measurement all is installed on the operation board platform (1), and these are respectively that current measuring unit (5), (5) are by universal seclector wk
1, wk
2Constitute with three reometers (μ A); High pressure measurement and control unit (6), (6) are constituted by high pressure regulator, zero-bit latch switch, overcurrent protective device, voltage table; Temperature control unit (7), (7) are by universal seclector wk
3Constitute with two thermometers; Voltage measurement unit (8), (8) are by universal seclector wk
4Constitute with voltage table.Signal transmission between Pan Tai and the each several part connects respectively with cable.
Be provided with one group (A, B, C, D) totally 4 rotation jackscrew formula ash-pans (9) in the high temperature electrode case of the present utility model (2), can detect the ratio resistance of four kinds of ash samples simultaneously, ash-pan (9) is made of storage ash-pan (10), silk braid (11), jackscrew (12), low-field electrode (13), electrode insulation plate (13 '), storage ash-pan (10) is the cylinder bodily form, cavity partly stores up ash, there is a cylindrical boss at its bottom centre place, protuberance places and the silk braid (11) of pallet (14) one in, by the rotation jackscrew (12) can be with the vertical upper and lower picking-up of ash-pan (10); Low-field electrode (13) is positioned on the cantilever (16) by the suspension rod (15) of self, and can move vertically, and cantilever (16) is fixed in by insulation course on the swing pipe (17) of pallet (14), and this structure has guaranteed the degree of accuracy that detects.Pallet (14) is a circular metal plate that is suspended in high temperature electrode case middle part.
Adjustable in order to guarantee the temperature in the high temperature electrode case (2), be provided with one group of (3) heating element (18) in (2), realize 1～5 by switch (19)
Kw5 grades selectivity heating.To satisfy the needs of different constant temperature.
Operation board platform (1) adopts custom-designed horizontal Pan Tai, the top of Pan Tai (20) is instrument panel, panel has 1≤5 ° of an inclined angle alpha, the middle part is the desktop platform (21) of checking meter, drawer is housed on the platform, the bottom is stylobate (22) and platform pin (23), and the panel of the last following table of the platform of checking meter (21), stylobate (22), platform pin (23) all has an inclination angle, and the inclination angle is designed at 0 °＜α
2, α
3, α
4≤ 25 °.
Instrument, the instrument of using in this device adopts reference instrument, instrument and the switching device in high pressure, the high temperature measurement respectively.(24) are that electric signal, (25) of temperature sensor are that temperature control signals, (26) are high-voltage signals in the accompanying drawing, and A, B, C, D are respectively the leakage current signals of 4 ash-pans.
The system architecture block scheme of figure-1 device
Figure-2 high temperature electrode box structure synoptic diagram
Figure-3 operation board platform structural representations
Figure-4 rotation jackscrew ash-pan structural drawing
Figure-5 dish platform structural drawing
(1) is the operation board platform in the accompanying drawing, (2) high temperature electrode case, (3) high voltage direct current generator (4) non-productive operation platform, (5) current measuring unit, (6) high pressure regulation and control unit, (7) temperature control unit, (8) voltage measurement unit, (9) rotation jackscrew formula ash-pan, (10) storage ash-pan, (11) silk braid, (12) jackscrew, (13) low-field electrode, (13 ') electrode insulation plate, (14) pallet, (15) suspension rod, (16) cantilever, (17) swing pipe, (18) heating element, (19) switch, (20) Pan Tai top, (21) the Pan Tai platform of checking meter, (22) stylobate, (23) platform pin, (24) temperature sensor electric signal, (25) temperature control signals, (26) high-voltage signal.
Claims (4)
1. high pressure dust specific resistance proving installation, by operation board platform (1), high temperature electrode case (2) high voltage direct current generator (3), non-productive operation platform formations such as (4), it is characterized in that: proving installation by (1), (2), (3), (4) independently four parts constitute, (current measuring unit (5), high pressure regulation and control unit (6), temperature control unit, (7) voltage measurement unit (8) and corresponding measurement switch (wk are housed on 1 at the operation board platform
1～wk
4); Be provided with one group (A, B, C, D) rotation jackscrew formula ash-pan (9) in the high temperature electrode case (2).
2. proving installation according to claim 1, it is characterized in that: rotation jackscrew formula ash-pan (9), forms by cylinder bodily form storage ash-pan (10), silk braid (11), jackscrew (12) and low-field electrode (13), the sunken bottom that stores up ash-pan (10) deploy in the silk braid (11) of pallet (14) one in rotate jackscrew (12) can be with the vertical upper and lower picking-up of ash-pan (10); The suspension rod (15) of low-field electrode (13) is positioned on the cantilever (16), and cantilever (16) is fixed on the pallet swing pipe (17) by insulation course.
3. proving installation according to claim 1 is characterized in that: be provided with one group of (1～3) heating element (18) in the high temperature electrode case (2), can realize that by switch (19) 1～5kw selects heating.
4. measurement mechanism according to claim 1 is characterized in that: operation board platform (1) is horizontal Pan Tai, and the panel of instrument panel (20) has an inclination alpha
1≤ 5 °, the panel of the last following table of the platform of checking meter (21) and stylobate (22) all has the inclination angle, and the inclination angle is 0＜α
2, α
3, α
4≤ 25 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95226145 CN2260333Y (en) | 1995-11-16 | 1995-11-16 | High voltage bug dust specific resistance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95226145 CN2260333Y (en) | 1995-11-16 | 1995-11-16 | High voltage bug dust specific resistance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2260333Y true CN2260333Y (en) | 1997-08-20 |
Family
ID=33872364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95226145 Expired - Fee Related CN2260333Y (en) | 1995-11-16 | 1995-11-16 | High voltage bug dust specific resistance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2260333Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101308179B (en) * | 2008-07-11 | 2010-06-09 | 华北电力大学（保定） | Powder dust electrical behavior multi- behavior simulation test system |
| CN102778607A (en) * | 2011-05-07 | 2012-11-14 | 徐州金亚粉体有限责任公司 | Conducting mica powder density resistance measuring equipment and conducting mica powder density resistance measuring method |
| CN108519520A (en) * | 2018-04-08 | 2018-09-11 | 华北电力大学（保定） | A kind of bug dust specific resistance testing device of the adjustable atmosphere of controllable temperature |
-
1995
- 1995-11-16 CN CN 95226145 patent/CN2260333Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101308179B (en) * | 2008-07-11 | 2010-06-09 | 华北电力大学（保定） | Powder dust electrical behavior multi- behavior simulation test system |
| CN102778607A (en) * | 2011-05-07 | 2012-11-14 | 徐州金亚粉体有限责任公司 | Conducting mica powder density resistance measuring equipment and conducting mica powder density resistance measuring method |
| CN108519520A (en) * | 2018-04-08 | 2018-09-11 | 华北电力大学（保定） | A kind of bug dust specific resistance testing device of the adjustable atmosphere of controllable temperature |
| CN108519520B (en) * | 2018-04-08 | 2023-09-26 | 华北电力大学（保定） | Dust specific resistance testing device capable of controlling temperature and adjusting atmosphere |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |