CN202693078U - External bonded ultrasonic liquid level measuring device - Google Patents
External bonded ultrasonic liquid level measuring device Download PDFInfo
- Publication number
- CN202693078U CN202693078U CN 201220246823 CN201220246823U CN202693078U CN 202693078 U CN202693078 U CN 202693078U CN 201220246823 CN201220246823 CN 201220246823 CN 201220246823 U CN201220246823 U CN 201220246823U CN 202693078 U CN202693078 U CN 202693078U
- Authority
- CN
- China
- Prior art keywords
- module
- ultrasound wave
- liquid level
- parameter memory
- ultrasonic
- 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
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses an external bonded ultrasonic liquid level measuring device, which includes an ultrasonic wave transmitter module, an ultrasonic wave receiving module, a parameter memory module, a measuring module and a display module, wherein the measuring module is connected with the ultrasonic wave transmitter module, the ultrasonic wave receiving module, the parameter memory module and the display module respectively. The external bonded ultrasonic liquid level measuring device adopts the non-contact ultrasonic wave detection, thereby not influencing by factors such as medium density, dielectric constant, electrical conductivity, reflection coefficient, pressure, temperature and sedimentation, is suitable for detection of various liquids, particularly measurement of dangerous poisonous and corrosive liquid, has high precision, stable performance, long service life, strong anti-interference ability and wide application range, is sensitive in reaction and reliable in operation, only needs regular charging, needs no maintenance of users, and is simple and convenient to operate.
Description
Technical field
The utility model relates to the measurement mechanism technical field, says more specifically, relates to a kind of outer subsides ultrasonic liquid level measurer.
Background technology
Liquid level gauge when measured medium soaks the height change of drawing potential electrode, causes its capacitance variations according to capacitance induction principle.It can convert the variation of various things position, liquid level medium height to standard current signal, and teletransmission is carried out centralized displaying, warning or automatically control to operating the pulpit for secondary instrument or computer installation.The structure that it is good and mounting means be applicable to high temperature, high pressure, deep-etching, easily crystallization, anti-clogging, anti-freezing and solid, powdery, granular material.It can measure the liquid level of deep-etching type medium, measures the liquid level of high-temperature medium, measures the liquid level of airtight container.
There is open defect in traditional liquid level gauge in application process, the contact type measurement mode easily at impurity such as bar bonding sulfide, causes measurement inaccurate; Change to safeguard comparatively trouble, particularly for the closed pressure vessel, can only stop production to overhaul in case instrument failure occurs, must bring very large impact to produced on-site, cause extra economic loss; The 3rd, measuring accuracy is not high, particularly is easy to emulsion layer is worked as water to ejecting when the liquid water content in the emulsion layer changes, and has increased intractability for follow-up production technology.
The utility model content
The technical problems to be solved in the utility model provides a kind of outer subsides ultrasonic liquid level measurer, to overcome defective of the prior art.
For achieving the above object, the technical solution of the utility model provides a kind of outer subsides ultrasonic liquid level measurer, comprises ultrasound wave transmitter module, ultrasound wave receiver module, parameter memory module, measurement module and display module; Described measurement module is connected with display module with described ultrasound wave transmitter module, ultrasound wave receiver module, parameter memory module respectively;
Described ultrasound wave transmitter module is arranged on the bottom of the container of storage testing liquid, is used for seeing through described container to described testing liquid emission ultrasound beamformer;
Described ultrasound wave receiver module is arranged on the bottom of the container of storage testing liquid, is used for receiving the reflective sound wave from described testing liquid surface reflection;
Described parameter memory module is used for storing the velocity of sound and the temperature compensation coefficient of described testing liquid;
Described measurement module obtains the height of described testing liquid for the velocity of sound and the temperature compensation coefficient of the reflective sound wave that receives according to described ultrasound wave receiver module and the storage of described parameter memory module;
Described display module is used for showing the height of the testing liquid that described measurement module obtains.
Further, described ultrasound wave transmitter module is sonac, and described ultrasound wave receiver module is sonac.
Further, described ultrasound wave transmitter module and ultrasound wave receiver module are same sonac.
Further, described sonac is adsorbed on bottom centre's line position of described container, and is vertical with the liquid level of testing liquid in the container.
Further, described sonac bottom even is coated with couplant.
Further, described device also comprises parameter input module, is used for inputting the velocity of sound and the temperature compensation coefficient that does not preset liquid in described parameter memory module.
Compared with prior art, the utility model has the advantage of: the utility model adopts contactless ultrasonic listening, be not subjected to the impact of the factors such as Media density, specific inductive capacity, electric conductivity, reflection coefficient, pressure, temperature, precipitation, applicable to detecting each class I liquid I, especially measure poisonous and corrosive dangerous liquid, precision is high, be quick on the draw, reliable operation, stable performance, only need periodic charge, do not need user's maintenance, long service life, antijamming capability strong, widely applicable, simple to operation.
Description of drawings
Fig. 1 is the inside connection diagram of a kind of outer subsides ultrasonic liquid level measurer of the present utility model;
Fig. 2 is the structural representation of outer subsides ultrasonic liquid level measurer of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
The structure of a kind of outer subsides ultrasonic liquid level measurer of the present utility model comprises ultrasound wave transmitter module 1, ultrasound wave receiver module 2, parameter memory module 3, measurement module 4 and display module 5 as shown in Figure 1; Described measurement module is connected with display module with described ultrasound wave transmitter module 1, ultrasound wave receiver module 2, parameter memory module respectively and is connected;
Described ultrasound wave transmitter module 1 is arranged on the bottom of the container of storage testing liquid, is used for seeing through described container to described testing liquid emission ultrasound beamformer;
Described ultrasound wave receiver module 2 is arranged on the bottom of the container of storage testing liquid, is used for receiving the reflective sound wave from described testing liquid surface reflection;
Described parameter memory module 3 is used for storing the velocity of sound and the temperature compensation coefficient of described testing liquid;
Described measurement module 4 obtains the height of described testing liquid for the velocity of sound and the temperature compensation coefficient of the reflective sound wave that receives according to described ultrasound wave receiver module 2 and 3 storages of described parameter memory module;
Described display module 5 is used for showing the height of the testing liquid that described measurement module 4 obtains.
Described ultrasound wave transmitter module 1 is sonac 8, and described ultrasound wave receiver module is sonac 8.
Described ultrasound wave transmitter module 1 and ultrasound wave receiver module 2 can adopt same sonac.
Described sonac 8 is adsorbed on bottom centre's line position of described container, and is vertical with the liquid level of testing liquid in the container.
Described sonac 8 bottom evens are coated with couplant.
Described device also comprises parameter input module 6, is used for not presetting to described parameter memory module 3 interior inputs the velocity of sound and the temperature compensation coefficient of liquid
A kind of outer subsides ultrasonic liquid level measurer of the utility model embodiment as shown in Figure 2, wherein parameter memory module, measurement module and parameter input module are encapsulated in the shell 7, display module 5 is arranged on the shell 7, and sonac 8 is connected by the measurement module in transmission line and the shell 7.During use, sonac is adsorbed onto container bottom before, first container bottom upon adsorption is removed totally, guarantee not have salient point or iron rust; Even couplant is smeared in sonac bottom, is adsorbed on the container bottom position of center line, guarantees vertical with the interior liquid level of container; Outer subsides ultrasonic liquid level measurer is opened, selected the testing liquid kind, outer subsides ultrasonic liquid level measurer will show current measurement level value in 20 seconds; When measuring the liquid that does not preset first, need to carry out first necessary demarcation; When if the power feed pilot lamp is bright, in time charging is to guarantee the normal use of equipment.
Outer subsides ultrasonic liquid level measurer is by the ultrasound beamformer of the multi-frequency of control sonac generation, this wave beam overcomes the energy loss of wall thickness, liquid surface in container produces reflection, this reflective sound wave is received by same sonac, by to the time of echoed signal and the analytical calculation of signal intensity, obtain the height of liquid in container, this measured value can directly output in the Displaying Meter.
Be the accuracy that guarantees to measure, the velocity of sound and the temperature compensation coefficient of measuring media must will be provided when calculating, common chemical liquid all can be found and be built in the handheld device from pertinent literature, the velocity of sound and temperature compensation coefficient for Special Mixed liquid can be demarcated correlation values by measuring, and the measurement calculating that this numerical value can be like product provides accurately parameter.
Outer subsides ultrasonic liquid level measurer is mainly used in the height of liquid in the measuring vessel, but the material of xylometer can be each metalloid, glass and the uniform medium of foamed plastic isodensity, and wall thickness range is 1～50mm; This measuring technique is not subjected to the impact of the factors such as Media density, specific inductive capacity, electric conductivity, reflection coefficient, pressure, temperature, precipitation.
Non-crystallizable applicable to detecting, do not contain each class I liquid I of particle, because it adopts contactless detection, for poisonous and corrosive dangerous liquid, this instrument is ideal selection especially.
Outer subsides ultrasonic liquid level measurer equipment power dissipation is 2.5W, and measuring media is liquid juice, emulsion liquid, suspension liquid, and environment temperature is-20～+ 60 ℃, and ambient humidity is 15%～85%RH, and power supply is 2Ah, 3.7V.
The utility model adopts contactless ultrasonic listening, be not subjected to the impact of the factors such as Media density, specific inductive capacity, electric conductivity, reflection coefficient, pressure, temperature, precipitation, applicable to detecting each class I liquid I, especially measure poisonous and corrosive dangerous liquid, precision is high, be quick on the draw, reliable operation, stable performance, only need periodic charge, do not need user's maintenance, long service life, antijamming capability strong, widely applicable, simple to operation.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. the outer ultrasonic liquid level measurer that pastes is characterized in that, described device comprises ultrasound wave transmitter module, ultrasound wave receiver module, parameter memory module, measurement module and display module; Described measurement module is connected with display module with described ultrasound wave transmitter module, ultrasound wave receiver module, parameter memory module respectively;
Described ultrasound wave transmitter module is arranged on the bottom of the container of storage testing liquid, is used for seeing through described container to described testing liquid emission ultrasound beamformer;
Described ultrasound wave receiver module is arranged on the bottom of the container of storage testing liquid, is used for receiving the reflective sound wave from described testing liquid surface reflection;
Described parameter memory module is used for storing the velocity of sound and the temperature compensation coefficient of described testing liquid;
Described measurement module obtains the height of described testing liquid for the velocity of sound and the temperature compensation coefficient of the reflective sound wave that receives according to described ultrasound wave receiver module and the storage of described parameter memory module;
Described display module is used for showing the height of the testing liquid that described measurement module obtains.
2. outer subsides ultrasonic liquid level measurer according to claim 1 is characterized in that, described ultrasound wave transmitter module is sonac, and described ultrasound wave receiver module is sonac.
3. outer subsides ultrasonic liquid level measurer according to claim 2 is characterized in that, described ultrasound wave transmitter module and ultrasound wave receiver module are same sonac.
4. outer subsides ultrasonic liquid level measurer according to claim 3 is characterized in that, described sonac is adsorbed on bottom centre's line position of described container, and is vertical with the liquid level of testing liquid in the container.
5. outer subsides ultrasonic liquid level measurer according to claim 4 is characterized in that, described sonac bottom even is coated with couplant.
6. according to claim 1 to 5 each described outer subsides ultrasonic liquid level measurers, it is characterized in that, described device also comprises parameter input module, is used for inputting the velocity of sound and the temperature compensation coefficient that does not preset liquid in described parameter memory module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220246823 CN202693078U (en) | 2012-05-28 | 2012-05-28 | External bonded ultrasonic liquid level measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220246823 CN202693078U (en) | 2012-05-28 | 2012-05-28 | External bonded ultrasonic liquid level measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693078U true CN202693078U (en) | 2013-01-23 |
Family
ID=47548682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220246823 Expired - Fee Related CN202693078U (en) | 2012-05-28 | 2012-05-28 | External bonded ultrasonic liquid level measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202693078U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198015A (en) * | 2014-09-05 | 2014-12-10 | 陕西声科电子科技有限公司 | Two-wire system externally-pasted-type liquid level meter |
| CN105181068A (en) * | 2015-06-03 | 2015-12-23 | 伊飚科技(深圳)有限公司 | Liquid volume measuring device based on ultrasonic wave, liquid volume measuring method and monitoring method |
| CN107870058A (en) * | 2016-09-28 | 2018-04-03 | 珠海全志科技股份有限公司 | The detection method and pressure test device of the air pressure inside of closed area |
-
2012
- 2012-05-28 CN CN 201220246823 patent/CN202693078U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198015A (en) * | 2014-09-05 | 2014-12-10 | 陕西声科电子科技有限公司 | Two-wire system externally-pasted-type liquid level meter |
| CN105181068A (en) * | 2015-06-03 | 2015-12-23 | 伊飚科技(深圳)有限公司 | Liquid volume measuring device based on ultrasonic wave, liquid volume measuring method and monitoring method |
| CN107870058A (en) * | 2016-09-28 | 2018-04-03 | 珠海全志科技股份有限公司 | The detection method and pressure test device of the air pressure inside of closed area |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203232327U (en) | Liquid level measurement control device | |
| CN202693078U (en) | External bonded ultrasonic liquid level measuring device | |
| CN101975603B (en) | Liquid level detector | |
| CN107830903B (en) | Microwave solid flowmeter detecting system and device | |
| CN203489945U (en) | External attaching type ultrasound liquid level meter | |
| CN115014461A (en) | Liquid level measuring device and method integrating millimeter wave radar and height sensor | |
| CN208206239U (en) | A kind of ultrasonic water level measuring arrangement | |
| CN202693077U (en) | Storage tank interface instrument | |
| CN104266721A (en) | Integrated ultrasonic liquid indicator | |
| CN103630581B (en) | A kind of novel water quality online conductivity detector | |
| CN201780139U (en) | Intelligent level measuring device | |
| CN208847287U (en) | Condenser type adaptive universal liquid level emasuring device | |
| CN110470360A (en) | A kind of observation of liquid level, monitoring, alarming are in the liquid level emasuring device and its application method of one | |
| CN206488835U (en) | A kind of switch formula liquid leakage amount monitors wireless acquisition terminal equipment | |
| CN201974212U (en) | Capacitive radio frequency admittance level transmitter | |
| CN201255648Y (en) | Liquid level detecting device | |
| CN206479220U (en) | A kind of siphon liquid leakage rate monitors wireless acquisition terminal equipment | |
| CN205525991U (en) | A liquid level gauge device for hydration catalyst storage tank | |
| CN102538905A (en) | Capacitive radio-frequency admittance level transmitter and operating method thereof | |
| CN209745366U (en) | guided wave radar level gauge for transient and steady state measurement | |
| CN102401678A (en) | Intelligent level measuring device | |
| CN207268639U (en) | A kind of full anti-corrosion static pressure liquid level transmitter | |
| CN206832327U (en) | A kind of Level monitor based on ultrasonic wave | |
| CN201837434U (en) | Integrated intelligent liquid level gauge | |
| CN204963954U (en) | Paper pulp jar liquid level detection device |
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: 20130123 Termination date: 20130528 |