CN206095354U - Absolute pressure liquid level changer - Google Patents
Absolute pressure liquid level changer Download PDFInfo
- Publication number
- CN206095354U CN206095354U CN201621013462.8U CN201621013462U CN206095354U CN 206095354 U CN206095354 U CN 206095354U CN 201621013462 U CN201621013462 U CN 201621013462U CN 206095354 U CN206095354 U CN 206095354U
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- Measuring Fluid Pressure (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model relates to an absolute pressure liquid level changer, the probe lower part includes the end cover, it aims at the mouth to be equipped with the wide range on the end cover, the mouth is aimed at to the journey in a small amount, the end cover wraps up on the shell, the probe lower part is inside to be included in proper order by the response chamber, wide range diffusion silicon sensing element, press female wide range inductive probe who forms with in proper order by responding to the chamber, a small amount of journey diffusion silicon sensing element, female a small amount of journey inductive probe who forms presses, be equipped with the wide range water inlet on the wide range inductive probe, be equipped with journey water inlet in a small amount on the journey inductive probe, the probe middle part is including the shell, be equipped with the wide range amplifier circuit and a small amount of journey amplifier circuit that pass through the wire connecting cable respectively in the shell, probe upper portion includes by compressing tightly the fixed locking wire of cover femalely, the cover compresses tightly inside being fixed in the shell by fastening screw, the cable passes and compresses tightly cover and the female extremely probe outside of locking wire, the cable surface parcel has the protective sheath, it can be based on the absolute pressure liquid level changer who predicts the liquid level degree of depth and select different ranges to be one kind.
Description
Technical field
The utility model is related to liquid level technical field of measurement and test, and in particular to a kind of absolute pressure fluid level transmitter.
Background technology
Fluid level transmitter is extension and development to pressure transmitter technology, based on surveyed fluid pressure and the height of the liquid
The proportional principle of degree, i.e., using diffusion silicon-sensitive element or ceramic capacitive pressure sensitive sensor, by static pressure telecommunications is converted to
Number, then through temperature-compensating and linear amendment, change into standard electric signal, realize it is high to water, the volume of oil and pastel, liquid,
The accurate measurement of weight and transmission, however, existing fluid level transmitter cannot choose measurement range, measurement according to measured depth
When depth is relatively low, still measured using conventional sensors, because depth is too low, pressure is less, sensor sensing pressure may
Error occurs, causes the inaccurate of measurement result or cannot measure.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided one kind can be selected according to level is estimated
The absolute pressure fluid level transmitter of different ranges.
The utility model solves its technical problem and takes technical scheme below to realize：
A kind of absolute pressure fluid level transmitter, including lower probe, probe middle part and probe top, the lower probe includes end
Lid, the end cap is provided with wide range alignment mouth, small-range alignment mouth, and the end cap is wrapped on shell, the lower probe
Inside is included successively by induction cavity, wide range diffusion silicon-sensitive element, the pressure wide range inductive probe that formed of mother and successively by feeling
Chamber, small-range diffusion silicon-sensitive element, the female small-range inductive probe for being formed of pressure, the wide range inductive probe is answered to be provided with greatly
Range water inlet, the small-range inductive probe is provided with small-range water inlet, and the probe middle part includes the shell, described
Inside the shell is provided with respectively by the wide range amplifying circuit and small-range amplifying circuit of wire connection cable, and the wide range amplifies
Circuit connects the wide range and spreads silicon-sensitive element, and the small-range amplifying circuit connects the small-range diffusion silicon-sensitive unit
Part, the probe top includes the locking wire mother fixed by clamping sleeve, and the clamping sleeve is fixed on the inside the shell by trip bolt
Portion, the cable is female outside to popping one's head in through the clamping sleeve and locking wire, and the cable surface is enclosed with protective case.
In above-mentioned absolute pressure fluid level transmitter, further, the wide range alignment mouth and the small-range are directed at mouth
Position is in 90 ° by basic point of the shell center of circle, and the position of the wide range water inlet and the small-range water inlet is with described
The shell center of circle is basic point into 180 °.
In above-mentioned absolute pressure fluid level transmitter, further, the shell is hollow cylindrical structure, and the end cap can be around
The shell is rotated, and the wide range inductive probe and the small-range inductive probe are cylinder.
In above-mentioned absolute pressure fluid level transmitter, further, on the lower probe, probe middle part and the probe
Portion passes sequentially through argon arc welding and fixes.
In above-mentioned absolute pressure fluid level transmitter, further, the absolute pressure fluid level transmitter internal circuit adopts PGA309
Sensor Special regulator circuit.
Advantage of the present utility model and good effect are：
1st, the utility model can choose the inductive probe of different ranges, different accuracy according to the level estimated, and keep away
Exempt to occur, when liquid level is relatively low, measuring inaccurate or situation about cannot measure and occurring, not only the larger liquid level of measurable depth but also can
Fathom shallower liquid level.
2nd, the utility model is placed in the inductive probe of two amounts journey, two kinds of precision in one probe, by rotary end cover
Make to be used by corresponding water inlet is corresponding with alignment mouth, it is convenient and swift, it is easy to operate.
Description of the drawings
The technical solution of the utility model is described in further detail below with reference to drawings and Examples, but
It should be known that these accompanying drawings are only designed for task of explanation, therefore not as the restriction of the utility model scope.Additionally,
Unless otherwise indicated, these accompanying drawings are meant only to conceptually to illustrate structure construction described herein, without to carry out to scale
Draw.
Fig. 1 is the structural representation of embodiment；
Fig. 2 is the position view of the wide range inductive probe in embodiment and small-range inductive probe.
In figure：
1. lower probe, 2. probe middle part, 4. top of 3. popping one's head in, shell, 5. cable, 6. protective case, 7. end cap, 8. a large amount of
Journey diffusion silicon-sensitive element, 9. small-range spread silicon-sensitive element, 10. press mother, 11. wide range amplifying circuits, 12. small-ranges to put
Big circuit, 13. wires, 14. clamping sleeves, 15. locking wires mother, 16. trip bolts, 17. induction cavities, 18. wide range water inlets, 19.
Small-range water inlet, 20. wide ranges alignment mouth, 21. small-ranges alignment mouth, 22. wide range inductive probes, the sensing of 23. small-ranges
Probe
Specific embodiment
Firstly, it is necessary to explanation, below will by way of example illustrate absolute pressure level transmitting of the present utility model
The concrete structure of device, feature and advantage etc., but all of description is intended merely to what is illustrated, and should not be construed as it is right
The utility model forms any restriction.Additionally, any single skill for being described by or implying in mentioned each embodiment herein
Art feature, or shown or implicit any single technical characteristic in the drawings, still can these technical characteristics (or its
Equivalent) between proceed to be combined or delete, so as to obtain the utility model that may directly do not refer to herein
More other embodiments.In addition, for the sake of in order to simplify drawing, same or like technical characteristic in the same figure may
Only indicated at one.
As shown in Figure 1 and Figure 2, a kind of absolute pressure fluid level transmitter, including lower probe 1, probe middle part 2 and probe top 3,
Lower probe 1 includes end cap 7, and end cap 7 is provided with wide range alignment mouth 20, small-range alignment mouth 21, and end cap 7 is wrapped in shell 4
On, the inside of lower probe 1 includes being spread silicon-sensitive element 8, being pressed the female 10 wide range senses for being formed by induction cavity 17, wide range successively
Should pop one's head in 22 and successively silicon-sensitive element 9 spread by induction cavity 17, small-range, the small-range inductive probes 23 that pressure female 10 is formed,
Wide range inductive probe 22 is provided with wide range water inlet 18, and small-range inductive probe 23 is provided with small-range water inlet 19, visits
Centriciput 2 includes being provided with shell 4, shell 4 respectively by the wide range amplifying circuit 11 and small-range of the connection cable 5 of wire 13
Amplifying circuit 12, the connection wide range diffusion silicon-sensitive of wide range amplifying circuit 11 element 8, the connection of small-range amplifying circuit 12 is in a small amount
Journey diffusion silicon-sensitive element 9, the locking wire mother 15 that top 3 of popping one's head in includes being fixed by clamping sleeve 14, clamping sleeve 15 is by trip bolt 16
It is fixed on inside shell 4, cable 5 is outside to probe through clamping sleeve 14 and locking wire mother 15, and cable 5 is coated with protective case 6.
It is in 90 ° by basic point of the center of circle of shell 4 that wide range is directed at mouth 20 and the position of small-range alignment mouth 21, wide range water inlet
Mouthfuls 18 is basic point into 180 ° with the center of circle of shell 4 with the position of small-range water inlet 19, and shell 4 is hollow cylindrical structure, end cap 7
Can rotate around shell 4, wide range inductive probe 22 and small-range inductive probe 23 are cylinder, lower probe 1, probe middle part
2 pass sequentially through argon arc welding with probe top 3 fixes, and absolute pressure fluid level transmitter internal circuit adopts the special tune of PGA309 sensors
Section device circuit.
Specific work process is：Rule of thumb, when liquid level to be measured height is higher, rotary end cover 7 makes wide range be directed at mouth
20 is corresponding with the position of wide range water inlet 18, and now small-range alignment mouth 21 and the position of small-range water inlet 19 are in 90 °, input
In liquid level to be measured, water is entered in induction cavity 17 by wide range water inlet 18, and wide range diffusion silicon-sensitive element 8 senses the pressure of water
Power, transmits a signal to wide range amplifying circuit 11, and the signal after amplification transmits to gauge outfit display by cable 5, when to be measured
When liquid level is relatively low, rotary end cover 7 makes small-range alignment mouth 21 corresponding with the position of small-range water inlet 19, now in a large number
It is in 90 ° that journey is directed at mouth 20 with the position of wide range water inlet 18, and in input liquid level to be measured, water is entered by small-range water inlet 19 and sensed
Chamber 17, small-range diffusion silicon-sensitive element 9 senses the pressure of water, signal is transmitted to gauge outfit by small-range amplifying circuit 12 and is shown
Show, if liquid level to be measured height cannot be estimated, first can be measured by wide range inductive probe 22, if result mistake less than normal cannot be detected, then
Change to small-range inductive probe 23.
The present embodiment can choose the inductive probe of different ranges, different accuracy according to the level estimated, by turning
Moved end lid makes to be used by corresponding water inlet is corresponding with alignment mouth, not only the larger liquid level of measurable depth but also measurable depth compared with
Shallow liquid level, it is convenient and swift, it is easy to operate.
Above example has been described in detail to the utility model, but the content is only preferable reality of the present utility model
Apply example, it is impossible to be considered as limiting practical range of the present utility model.All equalizations made according to the utility model application range
Change and improvement etc., all should still belong within patent covering scope of the present utility model.
Claims (5)
1. a kind of absolute pressure fluid level transmitter, including lower probe, probe middle part and probe top, it is characterised in that：The probe
Bottom includes end cap, and the end cap is provided with wide range alignment mouth, small-range alignment mouth, and the end cap is wrapped on shell, institute
State the wide range inductive probe that lower probe inside includes being formed by induction cavity, wide range diffusion silicon-sensitive element, pressure mother successively
The small-range inductive probe for being formed by induction cavity, small-range diffusion silicon-sensitive element, pressure mother successively, the wide range sensing is visited
Head is provided with wide range water inlet, and the small-range inductive probe is provided with small-range water inlet, and the probe middle part includes institute
Shell is stated, the inside the shell is provided with respectively by the wide range amplifying circuit and small-range amplifying circuit of wire connection cable, institute
State wide range amplifying circuit and connect the wide range diffusion silicon-sensitive element, the small-range amplifying circuit connects the small-range
Diffusion silicon-sensitive element, the probe top includes the locking wire mother fixed by clamping sleeve, and the clamping sleeve is fixed by trip bolt
In the enclosure, the cable is female outside to popping one's head in through the clamping sleeve and locking wire, and the cable surface is enclosed with guarantor
Sheath.
2. absolute pressure fluid level transmitter according to claim 1, it is characterised in that：The wide range alignment mouth and a small amount of
The position of journey alignment mouth is in 90 ° by basic point of the shell center of circle, the wide range water inlet and the small-range water inlet
Position is basic point into 180 ° with the shell center of circle.
3. absolute pressure fluid level transmitter according to claim 1, it is characterised in that：The shell is hollow cylindrical structure,
The end cap can be rotated around the shell, and the wide range inductive probe and the small-range inductive probe are cylinder.
4. absolute pressure fluid level transmitter according to claim 1, it is characterised in that：The lower probe, probe middle part
Argon arc welding is passed sequentially through with the probe top to fix.
5. absolute pressure fluid level transmitter according to claim 1, it is characterised in that：The absolute pressure fluid level transmitter internal circuit
Using PGA309 sensor Special regulator circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621013462.8U CN206095354U (en) | 2016-08-31 | 2016-08-31 | Absolute pressure liquid level changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621013462.8U CN206095354U (en) | 2016-08-31 | 2016-08-31 | Absolute pressure liquid level changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206095354U true CN206095354U (en) | 2017-04-12 |
Family
ID=58478620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621013462.8U Active CN206095354U (en) | 2016-08-31 | 2016-08-31 | Absolute pressure liquid level changer |
Country Status (1)
| Country | Link |
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| CN (1) | CN206095354U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108585023A (en) * | 2018-05-03 | 2018-09-28 | 东莞运城制版有限公司 | A kind of unmanned control method in copper chloride corrosive liquid production |
| CN110243435A (en) * | 2019-07-22 | 2019-09-17 | 衢州后瑞机械设备有限公司 | A kind of wear-resistant oil-proof liquid level sensor |
-
2016
- 2016-08-31 CN CN201621013462.8U patent/CN206095354U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108585023A (en) * | 2018-05-03 | 2018-09-28 | 东莞运城制版有限公司 | A kind of unmanned control method in copper chloride corrosive liquid production |
| CN110243435A (en) * | 2019-07-22 | 2019-09-17 | 衢州后瑞机械设备有限公司 | A kind of wear-resistant oil-proof liquid level sensor |
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