CN102121564A - Constant-temperature and constant-pressure inflation method and device of diaphragm capsule for temperature controller - Google Patents
Constant-temperature and constant-pressure inflation method and device of diaphragm capsule for temperature controller Download PDFInfo
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- CN102121564A CN102121564A CN 201010608564 CN201010608564A CN102121564A CN 102121564 A CN102121564 A CN 102121564A CN 201010608564 CN201010608564 CN 201010608564 CN 201010608564 A CN201010608564 A CN 201010608564A CN 102121564 A CN102121564 A CN 102121564A
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Abstract
The invention discloses a constant-temperature and constant-pressure inflation method of a diaphragm capsule for a temperature controller, which relates to a filling technology of a diaphragm capsule working medium for the temperature controller. The inflation method comprises the following steps of: putting the diaphragm capsule into a constant temperature cabinet and adjusting the temperature to 40-60 DEG C; communicating a capillary tube of the diaphragm capsule with a vacuum pump and vacuumizing the inside of the diaphragm capsule; after vacuumizing, communicating the capillary tube with an air storage tank through a pressure regulator to inflate the diaphragm capsule and stopping inflation when the pressure is balanced; and when the diaphragm capsule is sealed, finishing filling the diaphragm capsule working medium. A fixture head arranged on a diaphragm capsule clamp in the constant temperature cabinet of the inflation device is communicated with a cavity in the diaphragm capsule fixture; and one end of the cavity is connected with a vacuum pump, and the other end of the cavity is communicated with the air storage tank. By adopting the method, the manufactured diaphragm capsule has the same temperature sensitivity, the measuring accuracy of the diaphragm capsule is enhanced and the produce quality is ensured. By adopting the inflation device, the diaphragm capsule can be easily inflated rapidly, thus the working efficiency is greatly improved.
Description
Technical field
The present invention relates to the filling technique of temp controller, the specifically a kind of temp controller constant temperature and pressure inflation method and device of bellows with bellows working medium.
Background technique
Bellows is the sensing element on the temperature controller, adorns the deformation quantity that is changed to self by the volume flow rate of working medium in the bellows being met thermal expansion, and the deformation quantity of measuring bellows can converse the variation of temperature value.In the manufacture process of bellows, bellows is provided with a capillary tube that is communicated with internal cavities, in bellows, charge into working medium by capillary tube after, cut off capillaceously sealing simultaneously.Working medium commonly used also begins to use gas as working medium by conduction oil and alcohol at present, no matter but use the sort of working medium, its filling method generally all is the metering loading, fills according to quantity.Because the influence of the material that different bellows are used charges into the bellows that makes with the working medium of measuring and may have different temperature susceplibilities, is unfavorable for guaranteeing the precision and the quality of product.
Summary of the invention
Technical problem to be solved by this invention provides constant temperature and pressure inflation method and the device of a kind of temp controller with bellows, can guarantee that the bellows that makes has essentially identical temperature susceplibility, guarantees the precision and the quality of product.
The present invention solves the problems of the technologies described above the technological scheme that is adopted to be: the temp controller constant temperature and pressure inflation method of bellows:
Step 1, bellows is put into thermostat, and the capillary tube of bellows is stuck on the bellows anchor clamps, the temperature in the thermostat is adjusted to 40-60 ℃;
Step 2, the capillary tube of bellows is communicated with vacuum pump, starts vacuum pump bellows inside is vacuumized, degree of vacuum is 30-50Pa;
Step 3, the capillary tube that vacuumizes back cut-out bellows and the connecting path of vacuum pump, and capillary tube is communicated with gas holder by pressure regulator, utilize pressure regulator that the inflation pressure of gas holder is adjusted to 0.4-0.6MPa bellows is inflated, inflation finishes when pressure balance;
Step 4, bellows are promptly finished the filling of bellows gas working medium.
The described temp controller used device of constant temperature and pressure inflation method of bellows, comprise thermostat, vacuum pump and gas holder, in thermostat, be provided with the bellows anchor clamps, cavity in the clamp head that is provided with on the bellows anchor clamps and the bellows anchor clamps is communicated with, one end of cavity is connected with vacuum pump by first solenoid valve, the other end is communicated with gas holder by second solenoid valve, on the connecting pipeline of first solenoid valve and vacuum pump, be provided with vacuum gauge, on the connecting pipeline of second solenoid valve and gas holder, be provided with pressure regulator.
The invention has the beneficial effects as follows: temperature and pressure according to the technical program are inflated bellows, can guarantee that the bellows that makes has identical temperature susceplibility, improve the measuring accuracy of bellows to greatest extent, guarantee quality of product.The special-purpose inflator that utilizes technological scheme to provide can be inflated bellows fast, and is simple to operate, significantly improved working efficiency.
Description of drawings
Fig. 1 is the structural representation of inflator of the present invention.
Mark among the figure: 1, thermostat, 2, vacuum pump, 3, gas holder, 4, the bellows anchor clamps, 5, clamp head, 6, cavity, 7, first solenoid valve, 8, second solenoid valve, 9, vacuum gauge, 10, pressure regulator, 11, bellows, 12, capillary tube.
Embodiment
As shown in the figure, inflator of the present invention comprises thermostat 1, vacuum pump 2 and gas holder 3, is provided with bellows anchor clamps 4 in thermostat 1, and the clamp head 5 that is provided with on the bellows anchor clamps 4 and bellows anchor clamps 4 interior cavitys 6 are communicated with.During use, the capillary tube on the bellows 11 12 is stuck in the clamp head 5, the cavity 6 in capillary tube 12 and the bellows anchor clamps 4 is communicated with.A plurality of clamp head 5 are set can be simultaneously to a plurality of bellows inflations.One end of cavity 6 is connected with vacuum pump 2 by first solenoid valve 7, and the other end is communicated with gas holder 3 by second solenoid valve 8, is provided with vacuum gauge 9 on the connecting pipeline of first solenoid valve 7 and vacuum pump 2, and vacuum gauge 9 is used to monitor the degree of vacuum that vacuumizes.On the connecting pipeline of second solenoid valve 8 and gas holder 3, be provided with pressure regulator 10.First solenoid valve 7 is open-minded when vacuumizing, and second solenoid valve 8 cuts out, and the cavity 6 in the bellows anchor clamps 4 is communicated with vacuum pump 2.During inflation, first solenoid valve 7 cuts out, and second solenoid valve 8 is open-minded, and the cavity 6 in the bellows anchor clamps 4 is communicated with gas holder 3.Utilize pressure regulator 10 can regulate the air pressure of cavity 6 conveying gas of gas holder 3 in bellows anchor clamps 4.The structure of pressure regulator 10 adopts the barometric control unit of prior art to get final product.
Temp controller with the constant temperature and pressure filling method of bellows working medium is:
Step 1, bellows 11 is put into thermostat 1, and the capillary tube 12 of bellows 11 is stuck on the bellows anchor clamps 4, the capillary tube 12 of bellows 11 is communicated with cavity 6 in the bellows anchor clamps 4, thermostat 1 interior temperature is adjusted to 40-60 ℃;
Step 2, will open first solenoid valve 7, the capillary tube 12 of bellows 11 is communicated with vacuum pump 2, and start 2 pairs of bellows 11 inside of vacuum pump and vacuumize, being evacuated to degree of vacuum is 30-50Pa;
Step 3, close first solenoid valve 7 after vacuumizing, cut off the capillary tube 12 of bellows 11 and the connecting path of vacuum pump 2, opening second solenoid valve 8 is communicated with by pressure regulator 10 capillary tube 12 with gas holder 3, utilize pressure regulator 10 that the inflation pressure of gas holder 3 is adjusted to behind 0.4-0.6MPa bellows 11 inflations, air pressure in bellows 11 reaches 0.4-0.6MPa, be the inflation end during with the inflation pressure balance of air pressure in the bellows 11, this process can be finished in moment;
Step 4, the filling of bellows gas working medium is promptly finished in bellows 11 sealing, encapsulating method gets final product according to prior art.
Embodiment 1
Temp controller with the constant temperature and pressure filling method of bellows working medium is:
Step 1, bellows is put into thermostat, and the capillary tube of bellows is stuck on the bellows anchor clamps, the temperature in the thermostat is adjusted to 40 ℃;
Step 2, the capillary tube of bellows is communicated with vacuum pump, starts vacuum pump bellows inside is vacuumized, degree of vacuum is 30Pa;
Step 3, the capillary tube that vacuumizes back cut-out bellows and the connecting path of vacuum pump, and capillary tube is communicated with gas holder by pressure regulator, utilize pressure regulator that the inflation pressure of gas holder is adjusted to 0.4MPa bellows is inflated, inflation finishes when pressure balance;
Step 4, bellows are promptly finished the filling of bellows working medium.
Embodiment 2
Temp controller with the constant temperature and pressure filling method of bellows working medium is:
Step 1, bellows is put into thermostat, and the capillary tube of bellows is stuck on the bellows anchor clamps, the temperature in the thermostat is adjusted to 60 ℃;
Step 2, the capillary tube of bellows is communicated with vacuum pump, starts vacuum pump bellows inside is vacuumized, degree of vacuum is 50Pa;
Step 3, the capillary tube that vacuumizes back cut-out bellows and the connecting path of vacuum pump, and capillary tube is communicated with gas holder by pressure regulator, utilize pressure regulator that the inflation pressure of gas holder is adjusted to 0.6MPa bellows is inflated, inflation finishes when pressure balance;
Step 4, bellows are promptly finished the filling of bellows working medium.
Embodiment 3
Temp controller with the constant temperature and pressure filling method of bellows working medium is:
Step 1, bellows is put into thermostat, and the capillary tube of bellows is stuck on the bellows anchor clamps, the temperature in the thermostat is adjusted to 50 ℃;
Step 2, the capillary tube of bellows is communicated with vacuum pump, starts vacuum pump bellows inside is vacuumized, degree of vacuum is 40Pa;
Step 3, the capillary tube that vacuumizes back cut-out bellows and the connecting path of vacuum pump, and capillary tube is communicated with gas holder by pressure regulator, utilize pressure regulator that the inflation pressure of gas holder is adjusted to 0.5MPa bellows is inflated, inflation finishes when pressure balance;
Step 4, bellows are promptly finished the filling of bellows working medium.
Claims (2)
1. temp controller is with the constant temperature and pressure inflation method of bellows, and it is characterized in that: inflation method is:
Step 1, bellows is put into thermostat, and the capillary tube of bellows is stuck on the bellows anchor clamps, the temperature in the thermostat is adjusted to 40-60 ℃;
Step 2, the capillary tube of bellows is communicated with vacuum pump, starts vacuum pump bellows inside is vacuumized, degree of vacuum is 30-50Pa;
Step 3, the capillary tube that vacuumizes back cut-out bellows and the connecting path of vacuum pump, and capillary tube is communicated with gas holder by pressure regulator, utilize pressure regulator that the inflation pressure of gas holder is adjusted to 0.4-0.6MPa bellows is inflated, inflation finishes when pressure balance;
Step 4, bellows are promptly finished the filling of bellows gas working medium.
2. the temp controller as claimed in claim 1 used device of constant temperature and pressure inflation method of bellows, it is characterized in that: comprise thermostat (1), vacuum pump (2) and gas holder (3), in thermostat (1), be provided with bellows anchor clamps (4), the clamp head (5) of the last setting of bellows anchor clamps (4) is communicated with the cavity (6) in the bellows anchor clamps (4), one end of cavity (6) is connected with vacuum pump (2) by first solenoid valve (7), the other end is communicated with gas holder (3) by second solenoid valve (8), on the connecting pipeline of first solenoid valve (7) and vacuum pump (2), be provided with vacuum gauge (9), on the connecting pipeline of second solenoid valve (8) and gas holder (3), be provided with pressure regulator (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010106085645A CN102121564B (en) | 2010-12-28 | 2010-12-28 | Constant-temperature and constant-pressure inflation method and device of diaphragm capsule for temperature controller |
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| CN2010106085645A CN102121564B (en) | 2010-12-28 | 2010-12-28 | Constant-temperature and constant-pressure inflation method and device of diaphragm capsule for temperature controller |
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| CN102121564B CN102121564B (en) | 2012-11-28 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564619A (en) * | 2011-11-23 | 2012-07-11 | 南京化工职业技术学院 | Reducing and corrosive gas temperature measurement device |
| CN102749938A (en) * | 2012-06-21 | 2012-10-24 | 浙江花园电子器材有限公司 | Filling process and filling device for temperature controller gas |
| CN102789245A (en) * | 2011-05-18 | 2012-11-21 | 台湾矽微电子股份有限公司 | Automatic control inflation method |
| CN104465218A (en) * | 2013-09-24 | 2015-03-25 | 珠海格力电器股份有限公司 | Accelerated drive device and method for pressure temperature controller |
| CN106369271A (en) * | 2016-11-16 | 2017-02-01 | 广东技术师范学院 | High-reliability inflation and dedusting equipment for temperature controller |
| CN106402648A (en) * | 2016-11-16 | 2017-02-15 | 广东技术师范学院 | High-efficiency intelligent inflation equipment of temperature controller |
| CN107631169A (en) * | 2017-09-20 | 2018-01-26 | 贵州天义电器有限责任公司 | A kind of circumscribed is evacuated aerating device |
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2010
- 2010-12-28 CN CN2010106085645A patent/CN102121564B/en not_active Expired - Fee Related
Patent Citations (6)
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| CN2385427Y (en) * | 1999-08-30 | 2000-06-28 | 佛山通宝股份有限公司 | Liqud expansion type temp. controller |
| CN2588345Y (en) * | 2002-09-12 | 2003-11-26 | 浙江春晖智能控制股份有限公司 | Temp. sensing agent filler for membrane box |
| CN2582147Y (en) * | 2002-11-04 | 2003-10-22 | 佛山通宝股份有限公司 | Hand reset liquid expansion temp limiter with leakage protection structure |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102789245A (en) * | 2011-05-18 | 2012-11-21 | 台湾矽微电子股份有限公司 | Automatic control inflation method |
| CN102789245B (en) * | 2011-05-18 | 2015-02-18 | 台湾矽微电子股份有限公司 | Automatic control inflation method |
| CN102564619A (en) * | 2011-11-23 | 2012-07-11 | 南京化工职业技术学院 | Reducing and corrosive gas temperature measurement device |
| CN102749938A (en) * | 2012-06-21 | 2012-10-24 | 浙江花园电子器材有限公司 | Filling process and filling device for temperature controller gas |
| CN104465218A (en) * | 2013-09-24 | 2015-03-25 | 珠海格力电器股份有限公司 | Accelerated drive device and method for pressure temperature controller |
| CN106369271A (en) * | 2016-11-16 | 2017-02-01 | 广东技术师范学院 | High-reliability inflation and dedusting equipment for temperature controller |
| CN106402648A (en) * | 2016-11-16 | 2017-02-15 | 广东技术师范学院 | High-efficiency intelligent inflation equipment of temperature controller |
| CN107631169A (en) * | 2017-09-20 | 2018-01-26 | 贵州天义电器有限责任公司 | A kind of circumscribed is evacuated aerating device |
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| CN102121564B (en) | 2012-11-28 |
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