CN102620866A - Digital-type temperature pressure oil-filled core - Google Patents
Digital-type temperature pressure oil-filled core Download PDFInfo
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- CN102620866A CN102620866A CN2012100892137A CN201210089213A CN102620866A CN 102620866 A CN102620866 A CN 102620866A CN 2012100892137 A CN2012100892137 A CN 2012100892137A CN 201210089213 A CN201210089213 A CN 201210089213A CN 102620866 A CN102620866 A CN 102620866A
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Abstract
The invention relates to a digital-type temperature pressure oil-filled core, and relates to an oil-filled core. The digital-type temperature pressure oil-filled core comprises a substrate and a digital-type absolute atmosphere sensor, wherein the top part of the substrate is provided with an upper T-shaped groove, the top part of the substrate is also fixedly provided with a corrugated membrane to seal the upper end of the upper T-shaped groove, the bottom part of the substrate is provided with a lower groove, an oil inlet hole and a lead hole are arranged between the upper T-shaped groove and the lower groove, a pin is arranged in the end of the lower groove at which the oil inlet hole is arranged, a lead electrode is fixedly arranged inside the lead hole, and the lead electrode extends out from the lower groove; silicon oil and stuffing are filled inside the upper T-shaped groove, the digital-type absolute atmosphere sensor is fixedly arranged between the oil inlet hole and the lead hole in the bottom part of the upper T-shaped groove, the digital-type absolute atmosphere sensor is connected with two gold wires, one end of one gold wire is connected with the lead electrode, and one end of the other one of the two gold wires is placed into the silicon oil; and the corrugated membrane is made of an anticorrosive material. Due to the adoption of the digital-type temperature pressure oil-filled core, pressure and temperature can be simultaneously measured, and an application range of the digital-type absolute atmosphere sensor can also be enlarged.
Description
Technical field
the present invention relates to a kind of oil-filled core body, the oil-filled core body of specifically a kind of numeric type temperature, pressure.
Background technology
at present for soft air or liquid environment, most pressure with the oil-filled core body sensor measurement of silicon pressure drag measuring point is with thermosensitive resistance measurement measuring point temperature; Its work is more numerous and diverse; Certain technical difficulty is arranged, also inconvenient, there is more difficulty.And the numeric type absolute pressure sensor that measuring accuracy is high, performance is good is a kind of special plastic packaging product, and external diameter has only 6 millimeters, highly is 1.7 millimeters, and application only is suitable for measuring dry gas, has limited its use and development space to a certain extent.
Summary of the invention
the object of the present invention is to provide the oil-filled core body of a kind of numeric type temperature, pressure, solve the above problems.
The technical solution adopted for the present invention to solve the technical problems is: the oil-filled core body of numeric type temperature, pressure, it is characterized in that, and comprise pedestal and numeric type absolute pressure sensor; Described pedestal top is provided with groove on the T type, also is fixed with convoluted diaphragm at the pedestal top and makes groove upper end sealing on the T type, and base bottom is provided with down groove; Be provided with oil supply hole and fairlead between groove and the following groove on the T type; An end of groove was provided with pin under oil supply hole was positioned at, the leaded utmost point of fairlead internal fixation, and the lead-in wire utmost point stretches out from following groove; Be filled with silicone oil and filler in the groove on the described T type; Between oil supply hole and fairlead, be fixed with numeric type absolute pressure sensor at groove bottom part on the T type; Be connected with two spun golds on the numeric type absolute pressure sensor; One end of a spun gold is connected with the lead-in wire utmost point, and an end of another root spun gold places silicone oil; Described convoluted diaphragm adopts corrosion-resistant material;
The described convoluted diaphragm outside also is fixed with trim ring;
described pedestal sidewall is provided with annular groove, is provided with back-up ring and O type circle in the groove.
the invention has the beneficial effects as follows: with the sensitive element of numeric type absolute pressure sensor as oil-filled core body; Simultaneously gaging pressure and temperature; When having each function of numeric type absolute pressure sensor; Can also enlarge numeric type absolute pressure application of sensor field; Not only be confined to measure dry gas, the highly reliable measurement of high precision is realized in the fields such as oil, chemical industry, automobile, coal, water conservancy, electric power, railway, national defence, navigation, aviation, scientific research that can be widely used in.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among
figure: 1 pedestal, 2 numeric type absolute pressure sensors, 3 convoluted diaphragms, 4 oil supply holes, 5 fairleads, 6 pins, the 7 lead-in wire utmost points, 8 silicone oil, 9 spun golds, 10 trim rings, groove on the 11 T types, 12 times grooves, 13 grooves, 14 back-up rings, 15 O type circles, 16 fillers.
Embodiment
are as shown in Figure 1; The oil-filled core body of numeric type temperature, pressure comprises pedestal 1 and numeric type absolute pressure sensor 2, and described pedestal 1 top is provided with groove 11 on the T type; Also be fixed with convoluted diaphragm 3 at pedestal 1 top and make groove 11 upper ends sealing on the T type; Pedestal 1 bottom is provided with down groove 12, is provided with oil supply hole 4 and fairlead 5 on the T type between groove 11 and the following groove 12, and an end of groove 12 was provided with pin 6 under oil supply hole 4 was positioned at; The leaded utmost point 7 of fairlead 5 internal fixation, the lead-in wire utmost point 7 stretches out from following groove 12; Be filled with silicone oil 8 and filler 16 on the described T type in the groove 11, behind groove 11 on the full T type of filled with silicone oil, with oil supply hole 4 shutoff, make the silicone oil cavity pressure constant, can regulate 8 oil-filled amount of silicone oil through filler 16 with pin 6.Between oil supply hole 4 and fairlead 5, be fixed with numeric type absolute pressure sensor 2 in groove 11 bottoms on the T type; Be connected with two spun golds 9 on the numeric type absolute pressure sensor 2; One end of a spun gold 9 is connected with the lead-in wire utmost point 7, and an end of another root spun gold 9 places silicone oil 8; Described convoluted diaphragm 3 adopts corrosion-resistant material;
Described convoluted diaphragm 3 outsides also are fixed with trim ring 10, are used for strengthening and proofread and correct planarization that convoluted diaphragm 3 is connected with pedestal 1 and sealing;
described pedestal 1 sidewall is provided with annular groove 13, is provided with back-up ring 14 and O type circle 15 in the groove 13, is used for installing the annex that props up admittedly of the present invention.
During use
; The present invention is installed in adopting of detected fluid presses on the member, when on-the-spot test fluid, at first convoluted diaphragm 3 receives the pressure of measuring point fluid to be directly passed to silicone oil 8; Because the incompressibility of silicone oil 8; The silicone oil 8 of pressurized is passed to numeric type absolute pressure sensor 2 to the pressure of fluid, and numeric type absolute pressure sensor 2 is just exported the RS485 electric signal that becomes strict proportionate relationship with measuring point pressure, and spun gold 9 is respectively the internal lead and the outer lead of output numeric type absolute pressure sensor 2 electric signal with the lead-in wire utmost point 7; Electric signal reaches the lead-in wire utmost point 7 through spun gold 9, thereby realizes the measurement to the measuring point hydrodynamic pressure.Convoluted diaphragm 3 directly contacts with the measuring point fluid and is transmitting hydrodynamic pressure in silicone oil 8 to the numeric type absolute pressure sensor 2, and also the temperature with the measuring point fluid passes to numeric type absolute pressure sensor 2 through silicone oil 8.Because convoluted diaphragm 3, silicone oil 8 and numeric type absolute pressure sensor 2 are uniform temp fields; Temperature is the same; So numeric type absolute pressure sensor 2 is just exported the resistance value (be temperature value) corresponding with the measuring point fluid temperature (F.T.), has realized the measurement to the measuring point temperature.
Claims (3)
1.
The oil-filled core body of numeric type temperature, pressure is characterized in that, comprises pedestal and numeric type absolute pressure sensor; Described pedestal top is provided with groove on the T type, also is fixed with convoluted diaphragm at the pedestal top and makes groove upper end sealing on the T type, and base bottom is provided with down groove; Be provided with oil supply hole and fairlead between groove and the following groove on the T type; An end of groove was provided with pin under oil supply hole was positioned at, the leaded utmost point of fairlead internal fixation, and the lead-in wire utmost point stretches out from following groove; Be filled with silicone oil and filler in the groove on the described T type; Between oil supply hole and fairlead, be fixed with numeric type absolute pressure sensor at groove bottom part on the T type; Be connected with two spun golds on the numeric type absolute pressure sensor; One end of a spun gold is connected with the lead-in wire utmost point, and an end of another root spun gold places silicone oil; Described convoluted diaphragm adopts corrosion-resistant material
2.
The oil-filled core body of numeric type temperature, pressure according to claim 1 is characterized in that, the described convoluted diaphragm outside also is fixed with trim ring
3. the oil-filled core body of
numeric type temperature, pressure according to claim 1 is characterized in that described pedestal sidewall is provided with annular groove, is provided with back-up ring and O type circle in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100892137A CN102620866A (en) | 2012-03-30 | 2012-03-30 | Digital-type temperature pressure oil-filled core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100892137A CN102620866A (en) | 2012-03-30 | 2012-03-30 | Digital-type temperature pressure oil-filled core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102620866A true CN102620866A (en) | 2012-08-01 |
Family
ID=46560916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100892137A Pending CN102620866A (en) | 2012-03-30 | 2012-03-30 | Digital-type temperature pressure oil-filled core |
Country Status (1)
| Country | Link |
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| CN (1) | CN102620866A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768592A (en) * | 2017-02-24 | 2017-05-31 | 中国电子科技集团公司第三十八研究所 | A kind of pressure transmitter oil filling core body of band signal processing function |
| CN109764999A (en) * | 2019-02-14 | 2019-05-17 | 河海大学 | A kind of gas pressure measurement sensor |
| CN113697762A (en) * | 2021-08-25 | 2021-11-26 | 中国电子科技集团公司第四十九研究所 | Differential pressure resonance pressure sensitive chip probe of isolation packaging structure and packaging method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005038812A (en) * | 2003-07-03 | 2005-02-10 | Alps Electric Co Ltd | Push sensor |
| CN101226092A (en) * | 2008-01-16 | 2008-07-23 | 西安维纳信息测控有限公司 | SOI complete silicon structure silicone-oil-filling high-temperature-resistance pressure sensor |
| CN201935774U (en) * | 2010-12-22 | 2011-08-17 | 中国船舶重工集团公司第七一五研究所 | Novel pressure and temperature sensor packaging body |
| CN202533193U (en) * | 2012-03-30 | 2012-11-14 | 山东昌润科技有限公司 | Digital temperature-pressure oil filling core |
-
2012
- 2012-03-30 CN CN2012100892137A patent/CN102620866A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005038812A (en) * | 2003-07-03 | 2005-02-10 | Alps Electric Co Ltd | Push sensor |
| CN101226092A (en) * | 2008-01-16 | 2008-07-23 | 西安维纳信息测控有限公司 | SOI complete silicon structure silicone-oil-filling high-temperature-resistance pressure sensor |
| CN201935774U (en) * | 2010-12-22 | 2011-08-17 | 中国船舶重工集团公司第七一五研究所 | Novel pressure and temperature sensor packaging body |
| CN202533193U (en) * | 2012-03-30 | 2012-11-14 | 山东昌润科技有限公司 | Digital temperature-pressure oil filling core |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768592A (en) * | 2017-02-24 | 2017-05-31 | 中国电子科技集团公司第三十八研究所 | A kind of pressure transmitter oil filling core body of band signal processing function |
| CN109764999A (en) * | 2019-02-14 | 2019-05-17 | 河海大学 | A kind of gas pressure measurement sensor |
| CN113697762A (en) * | 2021-08-25 | 2021-11-26 | 中国电子科技集团公司第四十九研究所 | Differential pressure resonance pressure sensitive chip probe of isolation packaging structure and packaging method |
| CN113697762B (en) * | 2021-08-25 | 2023-08-11 | 中国电子科技集团公司第四十九研究所 | Differential pressure resonance pressure sensitive chip probe with isolation packaging structure and packaging method |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120801 |