CN201107092Y - Intelligent emission type liquid level transducer - Google Patents
Intelligent emission type liquid level transducer Download PDFInfo
- Publication number
- CN201107092Y CN201107092Y CNU2007200154522U CN200720015452U CN201107092Y CN 201107092 Y CN201107092 Y CN 201107092Y CN U2007200154522 U CNU2007200154522 U CN U2007200154522U CN 200720015452 U CN200720015452 U CN 200720015452U CN 201107092 Y CN201107092 Y CN 201107092Y
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- CN
- China
- Prior art keywords
- electronic
- metal shell
- gauge outfit
- protective metal
- level transmitter
- 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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Abstract
The utility model relates to a brainpower emission type level transmitter which is characterized in that the brainpower emission type level transmitter is provided with a vacuum heat insulation device and an electronic induction transmission device, wherein, the vacuum heat insulation device is fixed on a glass pipe on a metal protective sleeve, and the glass pipe is a double layer glass vacuum pipe wall quartz glass pipe; the electronic induction transmission device is composed of an electronic receiver arranged on a floater, an electronic emitter and a feedback information processing system arranged in a gauge head seat, and a control circuit and a digital display arranged in a gauge head. The transmitter uses the electronic emitter to replace the sensor, and has the advantages of overcapacity protection, high precision, good stability, impact resistance, etc. The product precision class is improved from 1.0 class to 0.1 class, because the vacuum heat insulation device is provided, instruments are enabled to work normally within the temperature ranging from 0 DEG C to 400 DEG C, and the level transmitter is enabled to have functions of reversed polarity protection, radio frequency interference resistance, explosion protection, corrosion protection, water prevention and dust protection without temperature processing.
Description
Technical field
The utility model relates to a kind of device based on liquid level height-electrical signal conversion, and observable temperature is the position of tucking in of-40 ℃-400 ℃ medium, particularly a kind ofly has an intelligent emission-type fluid level transmitter that vacuum heat-insulation device and electronic induction pass changing device.
Background technology
Develop rapidly along with China's science and technology, automation control system has obtained application more and more widely, therefore more accurate with regard to needing, sensitive, change little transmitter with variation of ambient temperature, can create normal working environment to the Primary Component of transmitter.The target flow transmitter that tradition is used is because the working environment difference of instrument, particularly than under the high ambient temperature, or when detecting pressure, the flow of higher temperature medium, the Primary Component of transmitter is in work under the non-standard ambient condition, the precision and the stability of device will produce very mistake, even can not work, this will directly cause the failure of system's control.
Summary of the invention
The utility model has overcome the defective of above-mentioned existence, and purpose provides a kind of intelligent emission-type fluid level transmitter that has vacuum heat-insulation device and electronic induction biography changing device.
The utility model intelligence emission-type fluid level transmitter content Description:
The utility model intelligence emission-type fluid level transmitter, it is characterized in that: intelligent emission-type fluid level transmitter has the vacuum heat-insulation device and electronic induction passes changing device, the vacuum heat-insulation device is to be fixed on protective metal shell upper glass pipe, and glass tube is the glass evacuated tube wall quartz glass tube of pair of lamina; Electronic induction passes changing device by being contained in the electronic receiver on the float, the electronic emitter that is provided with and feedback information disposal system and being provided with control circuit and digital indicator is formed in gauge outfit in the gauge outfit seat.
Be provided with electronic emitter and feedback information disposal system in the gauge outfit seat, upper flange and lower flange are connected on the protective metal shell through connecting pipe respectively, end cap and joint flange are connected on the protective metal shell, gauge outfit is connected with the gauge outfit seat by screw thread, be fixed together with the joint flange of bolt gauge outfit seat and protective metal shell, insert in the glass header lower end of glass tube, glass header is filled in the bottom of protective metal shell in the mode of interference fit, upper end at glass tube is provided with O-ring seal, be fixed on the protective metal shell with O-ring seal, electronic receiver is contained on the float, and the blowdown plug is connected with end cap by screw thread.
The utility model intelligence emission-type fluid level transmitter; replace sensor by electronic emitter; have overload protection, precision height, good stability, characteristics such as shock-resistant; the product accuracy class is brought up to 0.1 grade by 1.0 grades; because of being provided with the vacuum heat-insulation device, not only make the instrument can both operate as normal in 0 ℃-400 ℃ temperature range, do not make it have reverse polarity protection and do not need to do Temperature Treatment; anti-Radio frequency interference (RFI) has explosion-proof, anticorrosion, waterproof and dustproof function.
Description of drawings
Fig. 1 is intelligent emission-type fluid level transmitter structural representation
Among the figure: the 1st, lower flange, the 2nd, end cap, the 3rd, blowdown plug, the 4th, float, the 5th, glass header, the 6th, electronic receiver, the 7th, gauge outfit seat, the 8th, joint flange, the 9th, bolt, the 10th, gauge outfit, the 11st, O-ring seal, the 12nd, upper flange, the 13rd, connecting pipe, the 14th, glass tube, the 15th, protective metal shell, the 16th, peep-hole.
Embodiment
The utility model intelligence emission-type fluid level transmitter is achieved in that to do below in conjunction with accompanying drawing and specifies.Intelligence emission-type fluid level transmitter has the vacuum heat-insulation device and electronic induction passes changing device, and the vacuum heat-insulation device is to be fixed on protective metal shell 15 upper glass pipes 14, and glass tube 14 is the glass evacuated tube wall quartz glass tubes of pair of lamina; Electronic induction passes changing device by the electronic emitter and the feedback information disposal system that are contained in electronic receiver 6 on the float 4, setting gauge outfit seat 7 in be provided with control circuit and digital indicator is formed in gauge outfit 10.
See Fig. 1; in gauge outfit 10, be provided with control circuit and digital indicator; be provided with electronic emitter and feedback information disposal system in the gauge outfit seat 7, upper flange 12 and lower flange 1 are connected on the protective metal shell 15 through connecting pipe 13 respectively, and protective metal shell 15 plays protection, fixes and is connected effect.End cap 2 and joint flange 8 are connected on the protective metal shell 15, gauge outfit 10 is connected with gauge outfit seat 7 by screw thread, be fixed together with the joint flange 8 of bolt 9 gauge outfit seat 7 and protective metal shell 15, insert in the glass header 5 lower end of glass tube 14, glass header 5 is filled in the bottom of protective metal shell 15 in the mode of interference fit, be provided with O-ring seal 11 in the upper end of glass tube 14, be fixed on the protective metal shell 15 with O-ring seal 11, glass tube 14 is the glass evacuated tube wall quartz glass tubes of pair of lamina, have heat insulation, anticorrosion, anti abrasive function, glass header 5 and O-ring seal 11 all are to adopt resilient material to make, and therefore can reduce because of the influence of external shock to instrument.
Electronic receiver 6 is contained on the float 4, and blowdown plug 3 is connected with end cap 2 by screw thread.Gauge outfit seat 7 usefulness bolts 9 and being connected on the joint flange 8 of protective metal shell 15 rely on electronic receiver 6 to receive and feedback signal makes the position of feedback information disposal system perception float 4, thereby learn that liquid level realizes monitoring.
The utility model intelligence emission-type fluid level transmitter, the float that utilization swims on the liquid level is made with this characteristic about the liquid level, electronic receiver is housed on float, it can receive the signal that sent by the electronic emitter that is provided with in the gauge outfit seat and the feedback information disposal system that the signal that receives is passed in the gauge outfit seat is handled, conversion and output 4-20mADC or 1-5VDC standard direct current signal, by the digital liquid level that shows of high precision, also can be equipped with electrical distance transmitting converter and regulon and realize control automatically.
Claims (2)
1, a kind of intelligent emission-type fluid level transmitter, it is characterized in that: intelligent emission-type fluid level transmitter has the vacuum heat-insulation device and electronic induction passes changing device, the vacuum heat-insulation device is the glass tube (14) that is fixed on the protective metal shell (15), and glass tube (14) is the glass evacuated tube wall quartz glass tube of pair of lamina; Electronic induction passes changing device by the electronic emitter and the feedback information disposal system that are contained in electronic receiver (6) on the float (4), setting gauge outfit seat (7) in be provided with control circuit and digital indicator is formed in gauge outfit (10).
2, intelligent emission-type fluid level transmitter according to claim 1, it is characterized in that: be provided with electronic emitter and feedback information disposal system in the described gauge outfit seat (7), upper flange (12) and lower flange (1) are connected on the protective metal shell (15) through connecting pipe (13) respectively, end cap (2) and joint flange (8) are connected on the protective metal shell (15), gauge outfit (10) is connected with gauge outfit seat (7) by screw thread, be fixed together with the joint flange (8) of bolt (9) gauge outfit seat (7) and protective metal shell (15), insert in the glass header (5) lower end of glass tube (14), glass header (5) is filled in the bottom of protective metal shell (15) in the mode of interference fit, be provided with O-ring seal (11) in the upper end of glass tube (14), be fixed on the protective metal shell (15) with O-ring seal (11), electronic receiver (6) is contained on the float (4), and blowdown plug (3) is connected with end cap (2) by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200154522U CN201107092Y (en) | 2007-10-20 | 2007-10-20 | Intelligent emission type liquid level transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200154522U CN201107092Y (en) | 2007-10-20 | 2007-10-20 | Intelligent emission type liquid level transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201107092Y true CN201107092Y (en) | 2008-08-27 |
Family
ID=39958899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200154522U Expired - Fee Related CN201107092Y (en) | 2007-10-20 | 2007-10-20 | Intelligent emission type liquid level transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201107092Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491024A (en) * | 2011-12-02 | 2012-06-13 | 南车长江车辆有限公司 | Liquid type tank car liquid level intelligent metering device and measuring and calculating method thereof |
-
2007
- 2007-10-20 CN CNU2007200154522U patent/CN201107092Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491024A (en) * | 2011-12-02 | 2012-06-13 | 南车长江车辆有限公司 | Liquid type tank car liquid level intelligent metering device and measuring and calculating method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080827 Termination date: 20101020 |