CN212567760U - High-temperature remote transmission pressure transmitter - Google Patents
High-temperature remote transmission pressure transmitter Download PDFInfo
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- CN212567760U CN212567760U CN202021573441.8U CN202021573441U CN212567760U CN 212567760 U CN212567760 U CN 212567760U CN 202021573441 U CN202021573441 U CN 202021573441U CN 212567760 U CN212567760 U CN 212567760U
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- pressure transmitter
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- temperature remote
- flange
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Abstract
The utility model discloses a high temperature teletransmission pressure transmitter, including flange, flange sets up one and holds the chamber, it has the ripple face to hold the chamber, it is close to hold the chamber outside flange terminal surface department installs the measurement diaphragm, hold the chamber and connect the capillary, the capillary other end is connected with pressure sensor, be full of the transmission medium in the capillary. The utility model discloses be convenient for monitor everywhere steam pressure in the steam pipeline often, transmit to automatic control device after being transformed into the signal of telecommunication with steam pressure.
Description
Technical Field
The utility model relates to a changer especially relates to a high temperature teletransmission pressure transmitter.
Background
The pressure transmitter is widely applied to various industrial automatic control environments and relates to a plurality of industries such as water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, war industry, petrifaction, oil wells, electric power, ships, machine tools, pipelines and the like.
Particularly in the field of crude oil transportation, as the cargo oil transported by a crude oil carrier has the characteristics of high viscosity, heavy sediment, difficulty in flowing and the like, high-temperature steam is usually adopted to heat the cargo oil so as to facilitate the unloading of the cargo oil, so that the viscosity of the cargo oil is reduced and the fluidity of the cargo oil is improved. However, the steam pipeline is long in the crude oil heating process, asbestos meshes wrap the steam pipeline for the safety of workers, the pressure gauges at all positions need to be checked back and forth to adjust the steam pressure timely if the steam pressure at all positions in the steam pipeline needs to be checked, the steam pipelines are criss-cross, the labor intensity of the workers is high, and the pressure at all positions in the whole steam pipeline cannot be monitored conveniently.
Therefore, those skilled in the art are devoted to develop a high-temperature remote pressure transmitter, which facilitates the real-time monitoring of the steam pressure at various positions in the steam pipeline, converts the steam pressure into an electrical signal and transmits the electrical signal to an automatic control device.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of the prior art, the technical problem to be solved in the utility model is to provide a high temperature teletransmission pressure transmitter, be convenient for monitor everywhere steam pressure in the steam pipeline often, transmit to automatic control device after being transformed into the signal of telecommunication with steam pressure.
In order to achieve the above object, the utility model provides a high temperature teletransmission pressure transmitter, including flange, flange sets up one and holds the chamber, it has the ripple face to hold the chamber, it is close to hold the chamber flange terminal surface department installs the measurement diaphragm, hold the chamber and connect the capillary, the capillary other end is connected with pressure sensor, be full of the transmission medium in the capillary. The cavity is internally provided with a corrugated surface to enlarge the contact area of the transmission medium and the connecting flange; the pressure is transmitted through the transmission medium, and remote monitoring can be realized.
Further, the capillary tube is disposed in a coil form near the pressure sensor. The capillary is arranged into a coil pipe type to increase the heat dissipation area of the capillary, and the damage to the pressure sensor is effectively reduced.
Further, the connecting flange is provided with a cooling water channel. The cooling water can reduce the temperature of the transmission medium and prevent the measurement accuracy from being influenced by overhigh temperature.
Further, the pressure sensor is fixed in the base through a fastener. And fixing the sensor to prevent the sensor from shaking to influence the measurement precision.
Further, the pressure sensor transmits the electric signal to the circuit board through a lead. After the signals are transmitted to the circuit board, the signals can be further transmitted through the circuit board.
Further, a feed inlet is installed in the base and communicated with the capillary tube. The feed hole is used for adding a transfer medium.
Furthermore, the diameter of the capillary tube is 2.5 mm-3 mm.
Furthermore, the capillary tube is wrapped by a PVC protective sleeve. The protective sheath is useful for protecting the capillary tube.
Further, the transmission medium is silicone oil. The silicone oil has small thermal expansion coefficient and small compressible volume, and is convenient for stable transmission of pressure.
The utility model has the advantages that: the utility model adopts the deformation of the measuring diaphragm to transmit the measuring pressure to the pressure sensor through the transmission medium, thereby realizing the remote monitoring of the pressure and the conversion of the electric signal; the connecting flange is provided with a cooling water channel, and one part of the capillary tube is arranged into a coil tube type, so that the heat dissipation of a transmission medium is facilitated, the measurement precision is prevented from being influenced by overhigh temperature, and the damage of the pressure sensor is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a connecting flange according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein it is noted that, in the description of the invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 2, the high-temperature remote transmission pressure transmitter includes a connecting flange 1, the connecting flange 1 is used for being connected with a steam pipeline, the connecting flange 1 is provided with a cooling water channel 102, and cooling water is introduced into the cooling water channel 102 during operation to cool the connecting flange 1. The connecting flange 1 is provided with a cavity 101, the cavity 101 is provided with a corrugated surface, the cavity 101 is externally provided with a measuring diaphragm 2 close to the end face of the connecting flange 1, and the measuring diaphragm 2 is made of metal with good ductility, so that the detection accuracy is improved.
Hold 3 one ends of chamber 101 connection capillary, be full of transmission medium in the capillary 3, the utility model discloses well transmission medium is silicon oil, and capillary 3 diameter is 2.5mm ~ 3mm, the utility model discloses in, capillary 3's diameter is 2.6mm, and capillary 3's diameter adopts 2.5mm, 2.7mm, 2.8mm, 2.9mm, 3mm also can reach in other embodiments the utility model discloses the effect, 3 outer parcel of capillary have PVC protective sheath 9, still are provided with feed line and feed inlet 11 in the capillary 3 pipeline, and feed line and feed inlet are all installed in base 10.
The other end of the capillary 3 is connected with a pressure sensor 6, the pressure sensor 6 is usually a diffused silicon pressure sensor, the capillary 3 is arranged in a coil type near the pressure sensor 6 to enhance the heat dissipation of the transmission medium, and the pressure sensor 6 is fixed in the base 10 through a fastener 5. The pressure sensor 6 converts the pressure signal into an electric signal, and transmits the electric signal to the circuit board 8 through the lead 7, and the circuit board 8 can be used for being connected with a control mechanism and display equipment to realize remote monitoring and control.
The utility model discloses the theory of operation: the connecting flange 1 is connected with a steam pipeline, the measuring diaphragm 2 is deformed by pressure in the steam pipeline, the measuring diaphragm 2 is deformed to compress a transmission medium to generate compression pressure, and the compression pressure is received and converted by the pressure sensor 6 and then is transmitted to the circuit board 8. In order to improve the measurement accuracy, the capillary 3 is evacuated before the transfer medium is filled, when the vacuum degree reaches 10-5Low viscosity silicon oil is irritated to the back towards, it is right in order to prevent high temperature steam the utility model discloses cause the damage, flange 1 still is provided with the cooling water passageway, and capillary 3 has some to make the coil pipe formula, the thermal giving off of being convenient for.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (9)
1. A high-temperature remote transmission pressure transmitter is characterized in that: including flange (1), flange (1) sets up one and holds chamber (101), hold chamber (101) and have the ripple face, hold chamber (101) outer being close to flange (1) terminal surface department installs and measures diaphragm (2), hold chamber (101) connection capillary (3), the capillary (3) other end is connected with pressure sensor (6), be full of transmission medium in capillary (3).
2. The high temperature remote pressure transmitter of claim 1 wherein: the capillary tube (3) is arranged in a coil type close to the pressure sensor (6).
3. The high temperature remote pressure transmitter of claim 1 wherein: the connecting flange (1) is provided with a cooling water channel (102).
4. The high temperature remote pressure transmitter of claim 1 wherein: the pressure sensor (6) is fixed in the base (10) through a fastener (5).
5. The high temperature remote pressure transmitter of claim 1 wherein: the pressure sensor (6) transmits the electric signal to the circuit board (8) through a lead (7).
6. The high temperature remote pressure transmitter of claim 4 wherein: a feed inlet (11) is installed in the base (10), and the feed inlet (11) is communicated with the capillary tube (3) through a pipeline.
7. The high temperature remote pressure transmitter of claim 1 wherein: the diameter of the capillary tube (3) is 2.5 mm-3 mm.
8. The high temperature remote pressure transmitter of claim 1 wherein: the capillary tube (3) is wrapped by a PVC protective sleeve (9).
9. The high temperature remote pressure transmitter of claim 1 wherein: the transmission medium is silicone oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021573441.8U CN212567760U (en) | 2020-07-31 | 2020-07-31 | High-temperature remote transmission pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021573441.8U CN212567760U (en) | 2020-07-31 | 2020-07-31 | High-temperature remote transmission pressure transmitter |
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| Publication Number | Publication Date |
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| CN212567760U true CN212567760U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021573441.8U Active CN212567760U (en) | 2020-07-31 | 2020-07-31 | High-temperature remote transmission pressure transmitter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115876376A (en) * | 2022-12-08 | 2023-03-31 | 中核二七二铀业有限责任公司 | Furnace pressure sampling device and furnace pressure monitoring method for uranium oxide calcining furnace |
-
2020
- 2020-07-31 CN CN202021573441.8U patent/CN212567760U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115876376A (en) * | 2022-12-08 | 2023-03-31 | 中核二七二铀业有限责任公司 | Furnace pressure sampling device and furnace pressure monitoring method for uranium oxide calcining furnace |
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