CN203798485U - High-temperature pressure transmitter - Google Patents
High-temperature pressure transmitter Download PDFInfo
- Publication number
- CN203798485U CN203798485U CN201420175664.7U CN201420175664U CN203798485U CN 203798485 U CN203798485 U CN 203798485U CN 201420175664 U CN201420175664 U CN 201420175664U CN 203798485 U CN203798485 U CN 203798485U
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- pressure transmitter
- casing pipe
- temperature pressure
- gauge outfit
- 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.)
- Expired - Fee Related
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model pertains to the technical field of measurement, and specifically discloses a high-temperature pressure transmitter comprising a gauge outfit, wire connection terminals, a first casing pipe, a second casing pipe, cooling devices and a flange. The upper portion of the gauge outfit is provided with the wire connection terminals, and the lower portion of the gauge outfit is connected with one end of the first casing pipe. The other end of the first casing pipe is connected with the second casing pipe. The second casing pipe is uniformly provided with the cooling devices, and the end portion of the second casing pipe is provided with the flange. The gauge outfit is a round LCD or LED liquid crystal display device. A pressure sensor is arranged in the first casing pipe. The high-temperature pressure transmitter of the utility model has the following advantages that: 1, the advantage of large turndown ratio can be realized, the high-temperature pressure transmitter can be suitable for measuring the pipeline pressure ranging from -0.1MPa to 200MPa; 2, advantages of accurate measurement and small error can be realized, the measurement error is +/- 0.1%FS, and the stability measurement error is +/- 0.25%FS; 3, the advantage of wide application range can be realized, and the high-temperature pressure transmitter can be used to perform measurement in the working temperature ranging from -45 DEG C to 300 DEG C and the drift value is 0.01%FS/DEG C; 4, and the advantage of simple installation, debugging and maintenance can be realized. Meanwhile, the high-temperature pressure transmitter of the utility model has advantages of simple structure, low production cost and easy popularization.
Description
Technical field
The utility model relates to field of measuring technique, is specifically related to a kind of high temperature pressure transmitter.
Background technology
As everyone knows, high temperature pressure transmitter is a kind of pressure transducer that high temperature resistant pressure core body or sapphire core body are pressure measurement raw material that uses, very extensive in industrial application, for the pipeline pressure measurement position at high-temperature steam or high temperature fluid, gather pressure signal, its principle of work is when pressure signal acts on sensor, pressure transducer converts pressure signal to electric signal, through differential amplification and output amplifier, amplify, finally by V/A electric current and voltage, convert the normalized current output signal with the linear corresponding relation of liquid-level pressure of measured medium (liquid) to.
Current, traditional high temperature pressure transmitter has following shortcoming, and 1, range of application narrow (pressure, temperature range value little), as sensor probe can only be used under 80 ℃ of conditions of maximum temperature; 2, volume is large, weight is large, installs, demolition and maintenance are loaded down with trivial details; 3, measuring accuracy is low, error is large and off position stable; 4, anti-vibration and corrosion-resistant, resistance to elevated temperatures is poor, above problem causes existing high temperature pressure transmitter cannot meet in fields such as oil, chemical industry, space flight and aviations normally using.
Therefore,, based on the problems referred to above, the utility model provides a kind of high temperature pressure transmitter.
Utility model content
Utility model object: the purpose of this utility model provides a kind of high temperature pressure transmitter, solve existing high-temp pressure sensor installation, maintenance inconvenience, large and the poor seismic behavior of poor stability, measuring error, the problem that serviceable life is short, make to measure numerical value precisely, be convenient to management processing.
Technical scheme: a kind of high temperature pressure transmitter, comprises gauge outfit, terminals, the first sleeve pipe, the second sleeve pipe, heat abstractor and flange; Described gauge outfit top arranges terminals, and bottom connects first sleeve pipe one end; The described first sleeve pipe other end is connected with the second sleeve pipe; On described the second sleeve pipe, heat abstractor is evenly set, flange is set on end; Wherein, gauge outfit is circular LCD or LED liquid crystal display, and the first inside pipe casing arranges pressure transducer.
Further described pressure transducer is TCT-1201 quartz thin film pressure transducer.
Further described the first sleeve pipe, the second sleeve pipe and flange are stainless steel alloy, and wherein the second sleeve pipe is titanium alloy steel.
Further described heat abstractor is rhombus or circle.
Compared with prior art, the beneficial effect of a kind of high temperature pressure transmitter of the present utility model is: 1, wide-range ratio, can adapt to the pipeline pressure of measurement-0.1MPa-200MPa; 2, measure precisely, error is little, measuring error in positive and negative 0.1%FS, stability measurement error at positive and negative 0.25%FS; 3, applied widely, can measure the operation interval temperature of subzero 45 ℃-300 ℃ and drift value at 0.01%FS/ ℃; 4, installation, debugging maintenance are simple.The utility model is simple in structure simultaneously, production cost is low, easily popularization.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high temperature pressure transmitter of the present utility model;
Wherein in figure, sequence number is as follows: 1-gauge outfit, 2-terminals, 3-the first sleeve pipe, 4-the second sleeve pipe, 5-heat abstractor, 6-flange.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model.
A kind of high temperature pressure transmitter as shown in Figure 1, comprises gauge outfit 1, terminals 2, the first sleeve pipe 3, the second sleeve pipe 4, heat abstractor 5 and flange 6; Gauge outfit 1 top arranges terminals 2, and bottom connects first sleeve pipe 3 one end; First sleeve pipe 3 other ends are connected with the second sleeve pipe 4; On the second sleeve pipe 4, heat abstractor 5 is evenly set, flange 6 is set on end; Wherein, gauge outfit 1 is circular LCD or LED liquid crystal display, and the first sleeve pipe 3 inside arrange pressure transducer.
Further preferred pressure transducer is TCT-1201 quartz thin film pressure transducer, itself and amplifier are integrated, output current signal 4-20mA or 1-5VDC voltage signal, stable working state, output information are accurate, and its volume is little, lightweight simultaneously, frequency response is high, easy for installation.
Further preferred the first sleeve pipe 3, the second sleeve pipe 4 and flange 6 are stainless steel alloy, wherein the second sleeve pipe 4 is titanium alloy steel, it is corrosion-resistant, high temperature resistant, the superior long service life of anti-wear performance, little to measure signal interference in measurement compared with traditional sleeve structure, and then the precision that has guaranteed to a certain extent to measure, dwindle error.
Further preferred heat abstractor 5 is circular, the heat spreader structures that it is more traditional, and radiating effect is superior, and assurance sensor is normally worked in the interval of subzero 45 ℃-300 ℃.
Embodiment
During installation, utilize flange 6 that the second sleeve pipe 4 is fixed on pipeline to be measured, during work, the inner pressure transducer arranging of the first sleeve pipe 3 amplifies output by pressure signal by amplifier, and wherein high temperature pressure transmitter utilizes signal processing apparatus that signal message has been processed also and utilized gauge outfit 1 show or information is carried out to the wireless external management device that is delivered to.
The heat abstractor 5 that the utilization of this structure is installed leaves the first sleeve pipe 3 with tube contacts and the internal temperature of the second sleeve pipe 4 in time, and then guarantees that sensor is normal at it, the temperature range of standard is carried out work, makes metrical information accuracy, stability strong.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvement, these improvement also should be considered as protection domain of the present utility model.
Claims (4)
1. a high temperature pressure transmitter, is characterized in that: comprise gauge outfit (1), terminals (2), the first sleeve pipe (3), the second sleeve pipe (4), heat abstractor (5) and flange (6); Described gauge outfit (1) top arranges terminals (2), and bottom connects the first sleeve pipe (3) one end; Described the first sleeve pipe (3) other end is connected with the second sleeve pipe (4); Heat abstractor (5) is evenly set on described the second sleeve pipe (4), flange (6) is set on end; Wherein, gauge outfit (1) is circular LCD or LED liquid crystal display, and the first sleeve pipe (3) inside arranges pressure transducer.
2. a kind of high temperature pressure transmitter according to claim 1, is characterized in that: described pressure transducer is TCT-1201 quartz thin film pressure transducer.
3. a kind of high temperature pressure transmitter according to claim 1, is characterized in that: described the first sleeve pipe (3), the second sleeve pipe (4) and flange (6) are stainless steel alloy, and wherein the second sleeve pipe (4) is titanium alloy steel.
4. a kind of high temperature pressure transmitter according to claim 1, is characterized in that: described heat abstractor (5) is rhombus or circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175664.7U CN203798485U (en) | 2014-04-14 | 2014-04-14 | High-temperature pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175664.7U CN203798485U (en) | 2014-04-14 | 2014-04-14 | High-temperature pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798485U true CN203798485U (en) | 2014-08-27 |
Family
ID=51380690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420175664.7U Expired - Fee Related CN203798485U (en) | 2014-04-14 | 2014-04-14 | High-temperature pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203798485U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181220A (en) * | 2015-08-26 | 2015-12-23 | 蚌埠日月仪器研究所有限公司 | Wireless digital pressure measuring device |
| CN107505079A (en) * | 2017-08-31 | 2017-12-22 | 安徽禾禾自动化科技有限公司 | A kind of high pressure transmitter |
-
2014
- 2014-04-14 CN CN201420175664.7U patent/CN203798485U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181220A (en) * | 2015-08-26 | 2015-12-23 | 蚌埠日月仪器研究所有限公司 | Wireless digital pressure measuring device |
| CN107505079A (en) * | 2017-08-31 | 2017-12-22 | 安徽禾禾自动化科技有限公司 | A kind of high pressure transmitter |
| CN107505079B (en) * | 2017-08-31 | 2020-10-30 | 安徽禾禾自动化科技有限公司 | High-voltage transmitter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20200414 |