CN2217218Y - instrument for measuring the level degree of large surface - Google Patents
instrument for measuring the level degree of large surface Download PDFInfo
- Publication number
- CN2217218Y CN2217218Y CN 94237290 CN94237290U CN2217218Y CN 2217218 Y CN2217218 Y CN 2217218Y CN 94237290 CN94237290 CN 94237290 CN 94237290 U CN94237290 U CN 94237290U CN 2217218 Y CN2217218 Y CN 2217218Y
- Authority
- CN
- China
- Prior art keywords
- surface level
- reference point
- big surface
- level detector
- display
- 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
Links
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to a non electrical quantity electrical meter, which is chiefly used for a high horizontal surface in the installation work of the electromechanical device. Such as the detection on the plane of the machine base of a large-sized low-speed marine diesel engine. The utility model is mainly composed of a reference point display and a plurality of test point displays. The reference point display and a plurality of test point displays are connected by soft tubes. A pipeline is filled with liquid media used for transferring the pressure. The range of the non electrical quantity electrical meter is 50 mm; the level height difference between the measuring point and the reference point can be conveniently obtained from the reading of the display, and the resolution can reach 0.01 mm.
Description
The utility model relates to a kind of big surface level detecting instrument that is used for the electromechanical equipment installation work, the surface level detecting instrument that uses when particularly a kind of large-sized low-speed boat diesel engine support is installed.
It is a lot of that existing large-sized low-speed diesel engine base is installed the surface level detection method, communicating pipe level meter be one of key instrument wherein.Level meter measured steel bowls by some and formed communicating pipe, therebetween with soft pipe connection, wherein filled Yi Shui.Adopt the special depth Centigrade scale to measure the difference in level that elevation of water in each steel bowl is tried to achieve each measuring point.Its defective is to be difficult for guaranteeing measuring accuracy.
The purpose of this utility model is to design a kind of accuracy of detection height, adopts the big surface level detector of digital display technique, to improve measuring accuracy and convenient the use.
Technical solution of the present utility model is big surface level detector, constitutes by a reference point display with by being communicated with several measuring point displays that flexible pipe connects with it, wherein fills with liquid medium.Described each display mainly by pressure transducer and the liquid crystal digital display device of doing with it to electrically connect constitute.Described liquid medium is a mercury.Described pressure transducer is a semiconductor pressure sensor.
Below in conjunction with the specific embodiment accompanying drawing the utility model is further described.
Fig. 1 is big surface level detector structural principle block scheme;
Fig. 2 is the vertical cut-away view of big surface level detector reference point display device structure;
Fig. 3 is a big surface level detector reference point display device structure horizontal projection;
Fig. 4 is the vertical cut-away view of big surface level detector measuring point display device structure;
Fig. 5 is a big surface level detector measuring point display device structure horizontal projection;
Fig. 6 is big surface level detector semiconductor pressure sensor and liquid crystal digital display device;
Fig. 7 is big surface level detector semiconductor pressure sensor circuit theory diagrams.
Big surface level detector constitutes by a reference point display with by being communicated with several measuring point displays that flexible pipe connects with it, wherein fills with liquid medium mercury as pressure transmission medium.Reference point display and measuring point display are mainly electrically connected by pressure transducer and liquid crystal digital display device and constitute.
The reference point display device structure is referring to Fig. 2, Fig. 3.Shell [4] is set on the base [5], and cylindrical vessel [6] is fixed on the base [5], uncovered stretching out in outside the shell [4].Sensor connector [1] is installed on the base [5] by thread connection, and semiconductor transducer [2] is loaded on the sensor connector [1].Liquid crystal digital display device [3] is loaded on the shell [4].Semiconductor pressure sensor [2] electrically connects with liquid crystal indicator [3].
The measuring point display device structure is referring to Fig. 4, Fig. 5.Shell [7] is set on the base [8].Sensor connector [1] is loaded in the shell [7], is installed on the base [8] by thread connection.Semiconductor pressure sensor [2] is loaded on the sensor connector [1].Liquid crystal digital display device [3] is loaded on the shell [7].Semiconductor pressure sensor [2] electrically connects with liquid crystal digital display device [3].
The circuit of display connects formation by semiconductor pressure sensor modular circuit and digital voltmeter gauge outfit (DVM assembly) circuit, and circuit block diagram is referring to Fig. 6.Semiconductor transducer modular circuit [9] is a prior art, and its circuit theory is made up of FPM-05G sensor, driving circuit, amplifying circuit and diode compensation circuit referring to Fig. 7.Transport and placing device OP
1, voltage stabilizing diode D
1, triode TR
1, resistance R
1Constitute constant-current source circuit.With transport and placing device OP
2For center part constitutes the sensor output amplifier stage.Transport and placing device OP
3And the further amplifying signal of amplifier that constitutes of auxiliary element and adjust level.Transport and placing device OP
4The voltage of output through adjusting.Digital voltmeter gauge outfit (DVM assembly) circuit [10] is existing mature technology.The utility model adopts DVM assembly typical circuit as display circuit, and selected works become circuit 7106 as the liquid crystal indicator driving circuit, select 31/2 LCDs as display device.
The utility model has the advantage of and improved the certainty of measurement that big planar horizontal is measured. Simultaneously, the utility model adopts numeral to show that reading is direct, clear, convenient operation Use.
Claims (4)
1. one kind big surface level detector constitutes by a reference point display with by being communicated with several measuring point displays that flexible pipe connects with it, wherein fills with liquid medium.
2. big surface level detector according to claim 1, it is characterized in that described each display mainly by pressure transducer and the liquid crystal indicator of doing with it to electrically connect constitute.
3. big surface level detector according to claim 1 is characterized in that described liquid medium is a mercury.
4. according to claim 1 and 2 described big surface level detectors, it is characterized in that its pressure transducer is a semiconductor transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94237290 CN2217218Y (en) | 1994-05-06 | 1994-05-06 | instrument for measuring the level degree of large surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94237290 CN2217218Y (en) | 1994-05-06 | 1994-05-06 | instrument for measuring the level degree of large surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2217218Y true CN2217218Y (en) | 1996-01-10 |
Family
ID=33845037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94237290 Expired - Fee Related CN2217218Y (en) | 1994-05-06 | 1994-05-06 | instrument for measuring the level degree of large surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2217218Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538755A (en) * | 2011-12-27 | 2012-07-04 | 南京理学工程数据技术有限公司 | Tilt sensor |
-
1994
- 1994-05-06 CN CN 94237290 patent/CN2217218Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538755A (en) * | 2011-12-27 | 2012-07-04 | 南京理学工程数据技术有限公司 | Tilt sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202033081U (en) | Portable water level and water temperature measurement instrument | |
| CN101408448B (en) | High-frequency high-precision water-level change meter | |
| CN2217218Y (en) | instrument for measuring the level degree of large surface | |
| CN102645255A (en) | Portable water level and water temperature measurement instrument | |
| CN219737815U (en) | Automatic calibration device for ultrasonic evaporation sensor of weather station | |
| CN101839750A (en) | Numerically controlled water level | |
| CN108731639A (en) | Hydrostatic level based on double diaphragm pressure sensing devices | |
| CN1212507C (en) | New method of liquid state environment different medium interface measurement | |
| CN206095352U (en) | Differential pressure liquid level changer of measurable quantity layering density | |
| CN213398057U (en) | Portable electronic densimeter | |
| CN211696574U (en) | Liquid level sensor | |
| CN110607789B (en) | Statics parameter touch probe | |
| CN208780291U (en) | Engineering truck fuel tank fuel quantity detection device | |
| CN2456142Y (en) | Indirect level meter with hydraulic sensor | |
| CN209841608U (en) | Irrigation water viscosity coefficient detection device based on magnetostrictive displacement sensor | |
| CN219869689U (en) | Water regime measuring device | |
| CN214893383U (en) | Sensor and measuring instrument precision double-loop test platform | |
| CN215178031U (en) | Float liquid level meter | |
| CN219173254U (en) | Oil gas storage tank metering and leakage monitoring device | |
| CN2589983Y (en) | Novel water flow field probe measuring device | |
| CN221123522U (en) | Dual-display in-situ liquid level meter | |
| CN214893384U (en) | Single-loop test platform for accuracy of sensor and measuring instrument | |
| CN219736498U (en) | Error detection device for sensor | |
| CN2520501Y (en) | Electrometric water tube type settlement meter | |
| CN220104353U (en) | Diaphragm pressure gauge with diversion pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |