CN102156023A - Method for calibrating high pressure equipment - Google Patents
Method for calibrating high pressure equipment Download PDFInfo
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- CN102156023A CN102156023A CN 201110059486 CN201110059486A CN102156023A CN 102156023 A CN102156023 A CN 102156023A CN 201110059486 CN201110059486 CN 201110059486 CN 201110059486 A CN201110059486 A CN 201110059486A CN 102156023 A CN102156023 A CN 102156023A
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- tension apparatus
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- pressure
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Abstract
The invention provides a method for calibrating high pressure equipment, comprising the following steps of: i, calibration of a pressure gauge: closing a valve I, opening a valve II, absorbing water from a water storage tank by means of a pressure hand pump, pressing the water into a pressure pump of a detecting device through a high pressure hose so that a certain value is shown on a bourdon tube pressure gauge on the high pressure equipment, comparing the bourdon tube pressure gauge part of the high pressure equipment through observing a difference between readings of a standard pressure gauge and the bourdon tube pressure gauge on the high pressure equipment, and adjusting an adjusting and a fine adjusting knobs on the pressure pump to meter and detect the bourdon tube pressure gauge of the high pressure equipment; ii, calibration of air tightness: closing the valve I and the valve II, observing the reading of the standard pressure gauge, and observing the reading of the standard pressure gauge again after 10 minutes, wherein the air tightness is in compliance with technical requirements if the two readings are as same as each other. The method is simple to operate, accurate to measure, easy to transmit a measuring value, and solves a calibration difficulty of an oil and water prohibiting pressure gauge.
Description
Technical field
The present invention relates to the High-Voltage Measurement Technology field, relate to a kind of calibration method of high-tension apparatus concretely.
Background technology
To the accurate strict special high-pressure equipment of pressure control, the accurate reliability of gauge measurement is still unimportant for some.In situation in the past, these high-tension apparatuses often will be delivered to original production producer and carry out functional check.Yet even the functional check of manufacturer is also just tested the sealing and the resistance to pressure of high-tension apparatus, and the measurement verification of manometric written instructions part still need be undertaken by test satellite location.Send manufacturer back to and both wasted a large amount of expenses and time, and can't guarantee that in long-distance transport back and forth its function and technical indicator are unaffected.Owing to the manometric special construction of elastic tube, when water or oil were examined and determine as the calibrating medium, water or oil in the bourdon tube were not easy to clean up, and cause by the pollution of calibration equipment simultaneously.For this reason, we provide a kind of calibration method of high-tension apparatus, this calibration method utilizes calibrating installation that the manometric accuracy and the impermeability of high-tension apparatus are examined and determine, be a kind of simple to operate, measure accurately, calibration method that value is easy to transmit, solved a calibrating difficult problem simultaneously to prohibiting oil, prohibiting the water pressure table.
Summary of the invention
Defective in view of the prior art existence, the calibration method that the purpose of this invention is to provide a kind of high-tension apparatus, this calibration method utilizes calibrating installation that the manometric accuracy and the impermeability of high-tension apparatus are examined and determine, be a kind of simple to operate, measure accurately, calibration method that value is easy to transmit, solved a calibrating difficult problem simultaneously to prohibiting oil, prohibiting the water pressure table.
The technical solution adopted for the present invention to solve the technical problems is: a kind of calibration method of high-tension apparatus, and utilize special pressure table calibrating installation that high-tension apparatus is examined and determine, comprise two and detect step:
I. manometric calibrating; Valve-off I, Open valve II, utilize the pressure hand pump from reserve tank, to absorb water, be pressed into by high-pressure hose in the forcing pump of calibrating installation, make the bourdon gauges on the high-tension apparatus show certain numerical value, the difference of the reading by the bourdon gauges on observation caliber tensimeter and the high-tension apparatus is compared the bourdon gauges part of high-tension apparatus, adjusts adjustment on the forcing pump and vernier adjustment knob again to realize the measurement verification to the bourdon gauges of high-tension apparatus;
Ii. impermeability calibrating; Valve-off I and valve II, the manometric reading of observation caliber, the manometric reading of observation caliber once more after 10 minutes is if twice identical then impermeability of reading meets technical requirement.
Described special pressure table calibrating installation, described calibrating installation is made of pressure generation part and source of the gas control section; Described source of the gas control section comprises forcing pump, gas cylinder I, gas cylinder II, master gauge, alarm, valve II, valve I and water receptacle; Described forcing pump is communicated with gas cylinder I by pipeline; Gas cylinder I is communicated with water receptacle by one road pipeline, and this connecting pipeline is provided with valve I, and gas cylinder I is communicated with gas cylinder II by another road pipeline; Gas cylinder II is communicated with alarm by pipeline, and this pipeline is provided with valve II, and between valve II and alarm a threeway is installed, and the bypass of threeway connects master gauge; The opposite side of alarm connects the high-tension apparatus of being examined and determine; Described high-tension apparatus is provided with bourdon gauges.
Described alarm comprises battery, warning indicator, spark plug; Described battery, warning indicator, spark plug be the continuous forming circuit loop of electricity successively; Described warning indicator comprises pilot lamp and bullhorn.
Described pressure generation part is a pressure hand pump and a reserve tank; Pressure hand pump one side connects reserve tank, and opposite side connects forcing pump by high-pressure hose.
Described master gauge is a digital pressure gauge.
The inside each several part connecting line of described calibrating installation all adopts high pressure resistant air guide copper pipe; Calibrating installation adopts high-pressure hose with being connected of determined high-tension apparatus.
The invention has the beneficial effects as follows: a kind of calibration method of high-tension apparatus, utilize special pressure table calibrating installation that high-tension apparatus is examined and determine, comprise two and detect step:
I. manometric calibrating; Valve-off I, Open valve II, utilize the pressure hand pump from reserve tank, to absorb water, be pressed into by high-pressure hose in the forcing pump of calibrating installation, make the bourdon gauges on the high-tension apparatus show certain numerical value, the difference of the reading by the bourdon gauges on observation caliber tensimeter and the high-tension apparatus is compared the bourdon gauges part of high-tension apparatus, adjusts adjustment on the forcing pump and vernier adjustment knob again to realize the measurement verification to the bourdon gauges of high-tension apparatus;
Ii. impermeability calibrating; Valve-off I and valve II, the manometric reading of observation caliber, the manometric reading of observation caliber once more after 10 minutes is if twice identical then impermeability of reading meets technical requirement.
This calibration method utilizes calibrating installation that the manometric accuracy and the impermeability of high-tension apparatus are examined and determine, be a kind of simple to operate, measure accurately, calibration method that value is easy to transmit, solved a calibrating difficult problem simultaneously to prohibiting oil, prohibiting the water pressure table.
Description of drawings
Fig. 1 is the structural representation of calibration equipment;
Fig. 2 is the circuit diagram of alarm in the calibrating installation;
Reference numeral is as follows: forcing pump 1, gas cylinder I 2, gas cylinder II 3, master gauge 4, alarm 5, battery 5a, warning indicator 5b, spark plug 5c, bourdon gauges 6, specialized equipment 7, valve II 8, valve I 9, water receptacle 10.
Embodiment
A kind of calibration method of high-tension apparatus utilizes special pressure table calibrating installation that high-tension apparatus is examined and determine, and comprises two and detects step:
I. manometric calibrating; Valve-off I 9, Open valve II8, utilize the pressure hand pump from reserve tank, to absorb water, be pressed into by high-pressure hose in the forcing pump 1 of calibrating installation, make the bourdon gauges 6 on the high-tension apparatus 7 show certain numerical value, the difference of the reading by the bourdon gauges 6 on observation caliber tensimeter 4 and the high-tension apparatus 7 is compared bourdon gauges 6 parts of high-tension apparatus 7, adjusts adjustment on the forcing pump 1 and vernier adjustment knob again to realize the measurement verification to the bourdon gauges 6 of high-tension apparatus 7;
Ii. impermeability calibrating; Valve-off I 9 and valve II 8, the reading of observation caliber tensimeter 4, the reading of observation caliber tensimeter 4 once more after 10 minutes is if twice identical then impermeability of reading meets technical requirement.
Described special pressure table calibrating installation, described calibrating installation is made of pressure generation part and source of the gas control section; Described source of the gas control section comprises forcing pump 1, gas cylinder I 2, gas cylinder II 3, master gauge 4, alarm 5, valve II 8, valve I 9 and water receptacle 10; Described forcing pump 1 is communicated with gas cylinder I 2 by pipeline; Gas cylinder I 2 is communicated with water receptacle 10 by one road pipeline, and this connecting pipeline is provided with valve I 9, and gas cylinder I 2 is communicated with gas cylinder II 3 by another road pipeline; Gas cylinder II 3 is communicated with alarm 5 by pipeline, and this pipeline is provided with valve II 8, and between valve II 8 and alarm 5 threeway is installed, and the bypass of threeway connects master gauge 4; The opposite side of alarm 5 connects the high-tension apparatus of being examined and determine 7; Described high-tension apparatus 7 is provided with bourdon gauges 6.
Described alarm comprises battery 5a, warning indicator 5b, spark plug 5c; Described battery 5a, warning indicator 5b, spark plug 5c be the continuous forming circuit loop of electricity successively; Described warning indicator 5b comprises pilot lamp and bullhorn.
Described pressure generation part is a pressure hand pump and a reserve tank; Pressure hand pump one side connects reserve tank, and opposite side connects forcing pump 1 by high-pressure hose.
Described master gauge 4 is a digital pressure gauge.
The inside each several part connecting line of described calibrating installation all adopts high pressure resistant air guide copper pipe; Calibrating installation adopts high-pressure hose with being connected of determined high-tension apparatus 7.
Following table is high-tension apparatus 7 upper spring hook gauges 6 calibrating experimental datas
Table one high-tension apparatus 7 upper spring hook gauges 6 calibrating experimental datas
Claims (6)
1. the calibration method of a high-tension apparatus is characterized in that: utilize special pressure table calibrating installation that high-tension apparatus is examined and determine, comprise two and detect steps:
I. manometric calibrating; Valve-off I (9), Open valve II (8), utilize the pressure hand pump from reserve tank, to absorb water, be pressed into by high-pressure hose in the forcing pump (1) of calibrating installation, make the bourdon gauges (6) on the high-tension apparatus (7) show certain numerical value, the difference of the reading by the bourdon gauges (6) on observation caliber tensimeter (4) and the high-tension apparatus (7) is compared bourdon gauges (6) part of high-tension apparatus (7), adjusts adjustment on the forcing pump (1) and vernier adjustment knob again to realize the measurement verification to the bourdon gauges (6) of high-tension apparatus (7);
Ii. impermeability calibrating; Valve-off I (9) and valve II (8), the reading of observation caliber tensimeter (4), the reading of observation caliber tensimeter (4) once more after 10 minutes is if twice identical then impermeability of reading meets technical requirement.
2. the calibration method of a kind of high-tension apparatus according to claim 1, it is characterized in that: described special pressure table calibrating installation is characterized in that: described calibrating installation is made of pressure generation part and source of the gas control section; Described source of the gas control section comprises forcing pump (1), gas cylinder I (2), gas cylinder II (3), master gauge (4), alarm (5), valve II (8), valve I (9) and water receptacle (10); Described forcing pump (1) is communicated with gas cylinder I (2) by pipeline; Gas cylinder I (2) is communicated with water receptacle (10) by one road pipeline, and this connecting pipeline is provided with valve I (9), and gas cylinder I (2) is communicated with gas cylinder II (3) by another road pipeline; Gas cylinder II (3) is communicated with alarm (5) by pipeline, and this pipeline is provided with valve II (8), and between valve II (8) and alarm (5) threeway is installed, and the bypass of threeway connects master gauge (4); The opposite side of alarm (5) connects the high-tension apparatus of being examined and determine (7); Described high-tension apparatus (7) is provided with bourdon gauges (6).
3. special pressure table calibrating installation according to claim 2 is characterized in that: described alarm comprises battery (5a), warning indicator (5b), spark plug (5c); Described battery (5a), warning indicator (5b), spark plug (5c) be the continuous forming circuit loop of electricity successively; Described warning indicator (5b) comprises pilot lamp and bullhorn.
4. the calibration method of a kind of high-tension apparatus according to claim 2, it is characterized in that: described pressure generation part is a pressure hand pump and a reserve tank; Pressure hand pump one side connects reserve tank, and opposite side connects forcing pump (1) by high-pressure hose.
5. the calibration method of a kind of high-tension apparatus according to claim 2, it is characterized in that: described master gauge (4) is a digital pressure gauge.
6. the calibration method of a kind of high-tension apparatus according to claim 2, it is characterized in that: the inside each several part connecting line of described calibrating installation all adopts high pressure resistant air guide copper pipe; Calibrating installation adopts high-pressure hose with being connected of determined high-tension apparatus (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110059486 CN102156023A (en) | 2011-03-14 | 2011-03-14 | Method for calibrating high pressure equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110059486 CN102156023A (en) | 2011-03-14 | 2011-03-14 | Method for calibrating high pressure equipment |
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| CN102156023A true CN102156023A (en) | 2011-08-17 |
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| CN 201110059486 Pending CN102156023A (en) | 2011-03-14 | 2011-03-14 | Method for calibrating high pressure equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759889A (en) * | 2014-01-28 | 2014-04-30 | 马鞍山市奈特仪表科技有限公司 | Oxygen meter calibrator and calibration method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3941508A (en) * | 1975-04-11 | 1976-03-02 | Marotta Scientific Controls, Inc. | Automatic pressure control system |
| CN2440207Y (en) * | 1999-12-14 | 2001-07-25 | 林晓铭 | Gas-liquid two-phase medium pressure checking device |
| CN101271031A (en) * | 2008-05-14 | 2008-09-24 | 吉林省电力有限公司电力科学研究院 | Tester for vacuum degree of vacuum switch |
| CN101556199A (en) * | 2009-03-25 | 2009-10-14 | 李涛 | Original position metering and calibrating device for pressure gauge |
-
2011
- 2011-03-14 CN CN 201110059486 patent/CN102156023A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3941508A (en) * | 1975-04-11 | 1976-03-02 | Marotta Scientific Controls, Inc. | Automatic pressure control system |
| CN2440207Y (en) * | 1999-12-14 | 2001-07-25 | 林晓铭 | Gas-liquid two-phase medium pressure checking device |
| CN101271031A (en) * | 2008-05-14 | 2008-09-24 | 吉林省电力有限公司电力科学研究院 | Tester for vacuum degree of vacuum switch |
| CN101556199A (en) * | 2009-03-25 | 2009-10-14 | 李涛 | Original position metering and calibrating device for pressure gauge |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759889A (en) * | 2014-01-28 | 2014-04-30 | 马鞍山市奈特仪表科技有限公司 | Oxygen meter calibrator and calibration method thereof |
| CN103759889B (en) * | 2014-01-28 | 2016-04-13 | 马鞍山市奈特仪表科技有限公司 | A kind of oxygen gauge tester and method of calibration thereof |
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Application publication date: 20110817 |