CN110567511A - Temperature and pressure detection device - Google Patents
Temperature and pressure detection device Download PDFInfo
- Publication number
- CN110567511A CN110567511A CN201910744875.5A CN201910744875A CN110567511A CN 110567511 A CN110567511 A CN 110567511A CN 201910744875 A CN201910744875 A CN 201910744875A CN 110567511 A CN110567511 A CN 110567511A
- Authority
- CN
- China
- Prior art keywords
- temperature
- pressure
- detection device
- pressure detection
- device box
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 239000003292 glue Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000003491 array Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/02—Compensating or correcting for variations in pressure, density or temperature
- G01F15/04—Compensating or correcting for variations in pressure, density or temperature of gases to be measured
Abstract
the present invention relates to a temperature and pressure detection device. The invention comprises a face cover, a warm-pressing detection device and a device box; the temperature and pressure detection device is fixed on the device box; a face cover is arranged outside the device box and used for protecting the temperature and pressure detection sensor; temperature and pressure sensors are distributed on the warm-pressing detection device and used for sensing the temperature and the pressure in the watchcase; the temperature and pressure detection device is welded with a data line for being externally connected with a main control board to output temperature and pressure data. The invention can be used as a part to produce stock separately, thus improving the production efficiency; the sealing effect is achieved through glue filling, and the surface cover is adopted to protect the sensor, so that the stability and reliability of the temperature and pressure detection are ensured; the temperature and pressure device box can be arranged at different positions in the shell by changing the mounting structure of the temperature and pressure device box, and the mounting adaptability is strong; simple structure, small volume and convenient installation.
Description
Technical Field
the invention belongs to the technical field of temperature and pressure detection, and particularly relates to a temperature and pressure detection device.
Background
Due to the change of the gas temperature and the pipeline pressure, the accumulated gas quantity displayed by the character wheel of the gas meter has certain deviation from the accumulated quantity in a normal state. At present, mechanical compensation is mostly adopted in the compensation scheme of the gas meter, but the mechanical compensation structure deforms along with the increase of service life, so that the compensation effect is poor.
The invention provides a temperature and pressure detection device, which compensates accumulated gas consumption by detecting the temperature and pressure values of gas in a meter, and belongs to electronic compensation. Compared with a mechanical compensation scheme, the electronic compensation scheme has the advantages of high precision and good stability.
Disclosure of Invention
The invention aims to provide a temperature and pressure detection device.
The invention comprises a face cover, a warm-pressing detection device and a device box; the temperature and pressure detection device is fixed on the device box; a face cover is arranged outside the device box and used for protecting the temperature and pressure detection sensor; temperature and pressure sensors are distributed on the warm-pressing detection device and used for sensing the temperature and the pressure in the watchcase; the temperature and pressure detection device is welded with a data line for being externally connected with a main control board to output temperature and pressure data.
The warm pressing device box is a groove without a cover on one side, and a face cover is arranged on the side without the cover.
The device box in be provided with warm pressure detection device mounting groove, warm pressure detection device is fixed to be set up in warm pressure detection device mounting groove.
The temperature and pressure detection device is fixed in the device box through screws, and the face cover is fixed outside the device box through screws.
The surface cover is provided with a drainage groove, and condensed water is drained under the action of gravity.
The detection device is an electronic patch board module, a circuit board is used as a substrate, patch capacitors, ESD (electro-static discharge) tube arrays, pressure sensors and temperature sensors which are arranged in independent positions are arranged on the substrate according to circuit arrangement, all modules share one power supply, and data are transmitted to the single chip microcomputer through an IIC (inter-integrated circuit) bus.
And after the surface cover and the temperature and pressure detection device are fixed, glue is filled into the device box for curing.
The surface cover is provided with a square concave platform above the pressure sensor for covering and protecting the pressure sensor.
The invention can be used as a part to produce stock separately, thus improving the production efficiency; the sealing effect is achieved through glue filling, and the surface cover is adopted to protect the sensor, so that the stability and reliability of the temperature and pressure detection are ensured; the temperature and pressure device box can be arranged at different positions in the shell by changing the mounting structure of the temperature and pressure device box, and the mounting adaptability is strong; simple structure, small volume and convenient installation.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the cartridge of FIG. 1;
FIG. 3 is a sensor profile of the temperature and pressure sensing device of FIG. 1;
FIG. 4 is a schematic view of the structure of the front cover of FIG. 1;
FIG. 5 is a schematic diagram of an application structure of the present invention;
Fig. 6 is a schematic diagram of another application structure of the present invention.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in FIGS. 1 to 4, a temperature and pressure detecting apparatus includes a face cover 1, a temperature and pressure detecting apparatus 3, and an apparatus case 4. A temperature and pressure detection device mounting groove is formed in the device box 4, and the temperature and pressure detection device 3 is fixedly arranged in the temperature and pressure detection device mounting groove; the device box 4 is a groove without a cover on one side, and the surface cover 1 is arranged on the side without the cover. The warm-pressing detection device 3 and the face cover 1 are fixed on the device box 4 through screws.
The warm-pressing detection device 3 is a self-made electronic patch board module, a circuit board is used as a base plate, patch capacitors, ESD (electro-static discharge) tubes, a pressure sensor 6 and a temperature sensor 7 which are arranged at independent positions are arranged on the base plate according to circuits, all the modules share one power supply, and data are transmitted to a single chip microcomputer through an IIC (inter-integrated circuit) bus. In the implementation, the pressure sensor 6 is of a BMP280 model, and the temperature sensor 7 is of a TMP102 model, so that the pressure and temperature values in the meter shell can be detected; the temperature and pressure sensor has the advantages that the temperature and pressure values in the meter shell can be accurately detected according to the type selection requirement, and the stability and the anti-interference capability are good; the temperature and pressure detection device is welded with a data line 5 for outputting temperature and pressure data.
after the surface cover and the temperature and pressure detection device are fixed, glue is filled into the device box for curing, the device box is used for sealing the protection temperature and pressure detection device, and the height of the glue surface just exceeds the temperature sensor.
a square concave platform 8 is arranged above the pressure sensor on the surface cover and used for covering and protecting the pressure sensor; the face is covered and is provided with the water drainage tank 9 that the direction is down, communicates with each other with square concave station, provides gas pressure for the sensor on the one hand, and on the other hand, because water drainage tank's direction is down, when the moisture in the gas condenses on the cell wall and adheres to, the effect of protection pressure sensor is played in the comdenstion water automatic outflow to the watchcase under the action of gravity.
The whole device can be fixed on any places such as a meter shell, a built-in valve, a machine core and the like which do not influence the normal work of the gas meter by changing the mounting structure form of the uncovered side of the device box.
As shown in fig. 5, the device is mounted on a watch case. The mounting mode adopts screw thread and nut to fix, the warm pressing device box is provided with a screw thread structure, the watchcase is provided with a hole, and the device box and the watchcase are fixed together through the nut.
As shown in fig. 6, the device is mounted on a built-in valve. The mounting mode adopts screw fixation, is provided with screw hole and locating hole on the warm-pressing device box, is provided with screw post and reference column on the built-in valve, through reference column positioner box to adopt screw fixation.
Claims (6)
1. A temperature and pressure detection device comprises a face cover, a temperature and pressure detection device and a device box; the method is characterized in that: the temperature and pressure detection device is fixed on the device box; a face cover is arranged outside the device box and used for protecting the temperature and pressure detection sensor; temperature and pressure sensors are distributed on the warm-pressing detection device and used for sensing the temperature and the pressure in the watchcase; the temperature and pressure detection device is welded with a data line for being externally connected with a main control board to output temperature and pressure data; the device box is internally provided with a temperature and pressure detection device mounting groove, and the temperature and pressure detection device is fixedly arranged in the temperature and pressure detection device mounting groove; the temperature and pressure detection device is an electronic patch board module, a circuit board is used as a substrate, patch capacitors, ESD (electro-static discharge) tube arrays, pressure sensors and temperature sensors which are arranged in independent positions are arranged on the substrate according to circuit arrangement, all modules share one power supply, and data are transmitted to the single chip microcomputer through an IIC (inter-integrated circuit) bus.
2. A temperature and pressure sensing device as defined in claim 1, wherein: the warm pressing device box is a groove without a cover on one side, and a face cover is arranged on the side without the cover.
3. A temperature and pressure sensing device as defined in claim 1, wherein: the temperature and pressure detection device is fixed in the device box through screws, and the face cover is fixed outside the device box through screws.
4. A temperature and pressure sensing device as defined in claim 1, wherein: the surface cover is provided with a drainage groove, and condensed water is drained under the action of gravity.
5. A temperature and pressure sensing device as defined in claim 1, wherein: and after the surface cover and the temperature and pressure detection device are fixed, glue is filled into the device box for curing.
6. A temperature and pressure sensing apparatus according to claim 1 or 2, wherein: the surface cover is provided with a square concave platform above the pressure sensor for covering and protecting the pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910744875.5A CN110567511A (en) | 2019-08-13 | 2019-08-13 | Temperature and pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910744875.5A CN110567511A (en) | 2019-08-13 | 2019-08-13 | Temperature and pressure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110567511A true CN110567511A (en) | 2019-12-13 |
Family
ID=68775155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910744875.5A Pending CN110567511A (en) | 2019-08-13 | 2019-08-13 | Temperature and pressure detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110567511A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405585A (en) * | 2021-06-03 | 2021-09-17 | 河北华通燃气设备有限公司 | Temperature and pressure sensor detection system for gas meter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207335804U (en) * | 2017-11-06 | 2018-05-08 | 廊坊新奥燃气设备有限公司 | A kind of temperature and pressure compensation gas meter, flow meter and its temperature, pressure acquisition module |
| CN108871483A (en) * | 2018-07-13 | 2018-11-23 | 深圳电通纬创微电子股份有限公司 | A kind of corrosion-resistant fuel gas table temperature and pressure compensation integrated transducer and its manufacturing method |
| CN208282881U (en) * | 2018-06-01 | 2018-12-25 | 辽宁思凯科技股份有限公司 | A kind of temperature and pressure sensor encapsulating structure of ultrasonic wave gas meter |
| CN210625721U (en) * | 2019-08-13 | 2020-05-26 | 浙江威星智能仪表股份有限公司 | Temperature and pressure detection device |
-
2019
- 2019-08-13 CN CN201910744875.5A patent/CN110567511A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207335804U (en) * | 2017-11-06 | 2018-05-08 | 廊坊新奥燃气设备有限公司 | A kind of temperature and pressure compensation gas meter, flow meter and its temperature, pressure acquisition module |
| CN208282881U (en) * | 2018-06-01 | 2018-12-25 | 辽宁思凯科技股份有限公司 | A kind of temperature and pressure sensor encapsulating structure of ultrasonic wave gas meter |
| CN108871483A (en) * | 2018-07-13 | 2018-11-23 | 深圳电通纬创微电子股份有限公司 | A kind of corrosion-resistant fuel gas table temperature and pressure compensation integrated transducer and its manufacturing method |
| CN210625721U (en) * | 2019-08-13 | 2020-05-26 | 浙江威星智能仪表股份有限公司 | Temperature and pressure detection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405585A (en) * | 2021-06-03 | 2021-09-17 | 河北华通燃气设备有限公司 | Temperature and pressure sensor detection system for gas meter |
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