CN214277146U - High-precision liquid level detection standard device - Google Patents
High-precision liquid level detection standard device Download PDFInfo
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- CN214277146U CN214277146U CN202023275292.XU CN202023275292U CN214277146U CN 214277146 U CN214277146 U CN 214277146U CN 202023275292 U CN202023275292 U CN 202023275292U CN 214277146 U CN214277146 U CN 214277146U
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- liquid level
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- laser emitter
- level detection
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Abstract
The utility model provides a high accuracy liquid level detection standard device, including the vessel that has the inner chamber, set up in the horizontal support frame at vessel top, set up in at least one float in the inner chamber, with locating lever, controller, driving motor that the float is connected, its characterized in that: the laser emitter is arranged on the horizontal support frame and penetrates into the inner cavity in the laser direction, and the horizontal adjusting device is arranged below the container body, the laser emitter can be horizontally movably arranged on the horizontal support frame, and the horizontal adjusting device is connected with the controller. The utility model discloses a liquid level of intracavity liquid is measured to laser cooperation locating lever, and laser emitter can remove in the horizontal direction, and when locating lever everywhere liquid level difference that measures is great, controller control level adjusting device adjusts, guarantees that calibrating installation is in the horizontality, has improved the verification accuracy degree and precision.
Description
Technical Field
The utility model particularly relates to a high accuracy liquid level detection standard device.
Background
Liquid level instruments are often used for liquid level detection in process control, and in recent years, due to the continuous improvement of the precision of the liquid level instruments and the automation requirements of oil tank liquid level measurement, the liquid level instruments are applied to the field of liquid level measurement of storage tanks.
In recent years, with the continuous emergence of new principles and new methods, the liquid level measurement precision is continuously improved. High precision
Is used for metering and is called a liquid level metering instrument. The liquid level gauge is developing into the liquid level at high speed
The new trend of instrument development is also important to establish a liquid level detection standard device.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a high accuracy liquid level detection standard device.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a high accuracy liquid level detection standard device, including the vessel that has the inner chamber, set up in the horizontal support frame at vessel top, set up in at least one float in the inner chamber, with locating lever, controller, driving motor that the float is connected, still including set up in on the horizontal support frame and the laser direction jets into the laser emitter of inner chamber, set up in the horizontal adjusting device of vessel below, but laser emitter horizontal migration set up in on the horizontal support frame, horizontal adjusting device with the controller is connected.
In some embodiments, the positioning rod is disposed above the float, the positioning rod has a length matching the width of the lumen, and the laser emitter emits laser light on the positioning rod.
In some embodiments, the horizontal support frame comprises a guide rail slidably connected with the laser emitter, a level gauge connected with the guide rail, and a plurality of balance nuts for adjusting the level.
In some embodiments, the driving motor is connected with the laser emitter, the driving motor drives the laser emitter to reciprocate on the horizontal support frame, and the movement range of the laser emitter is opposite to the inner cavity.
In some embodiments, the laser emitter is connected to the controller, and the controller controls the level adjustment device to adjust.
In some embodiments, the liquid injection device further comprises a liquid injection port arranged at the top of the inner cavity, a liquid discharge port arranged at the bottom of the inner cavity, and a limit alarm arranged below the liquid injection port.
The scope of the present invention is not limited to the technical solutions formed by specific combinations of the above technical features, and other technical solutions formed by arbitrary combinations of the above technical features or equivalent features should be covered. For example, the above features and the technical features (but not limited to) having similar functions disclosed in the present application are mutually replaced to form the technical solution.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model discloses a liquid level of intracavity liquid is measured to laser cooperation locating lever, and laser emitter can remove in the horizontal direction, and when locating lever everywhere liquid level difference that measures is great, controller control level adjusting device adjusts, guarantees that calibrating installation is in the horizontality, has improved the verification accuracy degree and precision.
Drawings
FIG. 1 is a schematic structural view of the present invention;
wherein, 1, the container body; 11. an inner cavity; 12. a liquid injection port; 13. a liquid discharge port; 14. a limit alarm; 2. a horizontal support frame; 21. a guide rail; 22. a level gauge; 23. a balance nut; 3. a float; 4. positioning a rod; 5. a controller; 6. a drive motor; 7. a laser transmitter; 8. a level adjustment device.
Detailed Description
As shown in the attached drawings, 1. a high-precision liquid level detection standard device comprises a container body 1 with an inner cavity 11, a horizontal support frame 2 connected with the container body 1, at least one floater 3 arranged in the inner cavity 11, a positioning rod 4 connected with the floater 3, a controller 5 and a driving motor 6, and is characterized in that: the container is characterized by further comprising a laser emitter 7 and a horizontal adjusting device 8, wherein the laser emitter 7 is arranged on the horizontal support frame 2, the laser direction penetrates into the inner cavity 11, the horizontal adjusting device 8 is arranged below the container body 1, the laser emitter 7 can be horizontally movably arranged on the horizontal support frame 2, and the horizontal adjusting device 8 is connected with the controller 5.
The laser transmitter in the embodiment is a dual-frequency laser interferometer, the optical wavelength measurement is dominant in the measurement of the geometric length due to the development of the interference measurement technology of laser and frequency stabilized laser, the dual-frequency laser interferometer is the most successful interference measurement instrument currently applied, the dual-frequency laser interferometer is widely applied to various geometric length measurements, the dual-frequency laser interferometer has strong anti-interference performance, and high measurement precision can be still maintained even in a complex working condition environment, so the dual-frequency laser interferometer is adopted as the laser transmitter in the embodiment.
The utility model discloses a liquid level of intracavity liquid is measured to laser cooperation locating lever, and laser emitter can remove in the horizontal direction, and when locating lever everywhere liquid level difference that measures is great, controller control level adjusting device adjusts, guarantees that calibrating installation is in the horizontality, has improved the verification accuracy degree and precision.
Locating lever 4 sets up in float 3 top, and 4 length of locating lever and 11 width phase-matchs of inner chamber, and laser emitter 7 transmission laser are guaranteed that laser emitter records for the distance of same liquid level on locating lever 4.
The horizontal support frame 2 includes a guide rail 21 slidably connected to the laser transmitter 7, a level 22 connected to the guide rail 21, and a plurality of balance nuts 23 for adjusting the level.
Specifically, driving motor 6 is connected with laser emitter 7, and driving motor 6 drive laser emitter reciprocating motion on guide rail 21, and laser emitter 7 motion range is just right inner chamber 11, can measure the distance of locating lever each position.
The utility model discloses the standard device of saying still including offering in the notes liquid mouth 12 at inner chamber 11 top, offering in the leakage fluid dram 13 of inner chamber 11 bottom, setting up in the spacing alarm 14 of annotating liquid mouth 12 below, annotate the liquid too much and can send the warning, prevent that liquid from spilling over.
Water, crude oil and finished oil are used as the medium for detecting the liquid level, and the liquid level is not detected by using one medium only. Compared with the prior calibration method of the water tank calibration device, the calibration method pays attention to the application industry of the liquid level meter, so that the calibration process is more real and reliable.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. The utility model provides a high accuracy liquid level detection standard device, including container body (1) that has inner chamber (11), with horizontal support frame (2) that container body (1) is connected, set up in at least one float (3) in inner chamber (11), with locating lever (4), controller (5), driving motor (6) that float (3) are connected, its characterized in that: the laser device is characterized by further comprising a laser emitter (7) arranged on the horizontal support frame (2) and emitting laser into the inner cavity (11) in the laser direction, and a horizontal adjusting device (8) arranged below the container body (1), wherein the laser emitter (7) can be horizontally movably arranged on the horizontal support frame (2), and the horizontal adjusting device (8) is connected with the controller (5).
2. The high accuracy liquid level detection standard apparatus of claim 1, wherein: the positioning rod (4) is arranged above the floater (3), the length of the positioning rod (4) is matched with the width of the inner cavity (11), and the laser emitter (7) emits laser on the positioning rod (4).
3. The high accuracy liquid level detection standard apparatus of claim 1, wherein: the horizontal support frame (2) comprises a guide rail (21) which is connected with the laser emitter (7) in a sliding mode, a level meter (22) which is connected with the guide rail (21), and a plurality of balance nuts (23) used for adjusting the level.
4. A high accuracy liquid level detection standard apparatus according to claim 3, wherein: the driving motor (6) is connected with the laser emitter (7), the driving motor (6) drives the laser emitter to reciprocate on the guide rail (21), and the movement range of the laser emitter (7) is over against the inner cavity (11).
5. The high accuracy liquid level detection standard apparatus of claim 4, wherein: the laser emitter (7) is connected with the controller (5), and the controller (5) controls the horizontal adjusting device (8) to adjust.
6. The high accuracy liquid level detection standard apparatus of claim 1, wherein: the liquid injection device is characterized by further comprising a liquid injection port (12) arranged at the top of the inner cavity (11), a liquid discharge port (13) arranged at the bottom of the inner cavity (11), and a limiting alarm (14) arranged below the liquid injection port (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023275292.XU CN214277146U (en) | 2020-12-29 | 2020-12-29 | High-precision liquid level detection standard device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023275292.XU CN214277146U (en) | 2020-12-29 | 2020-12-29 | High-precision liquid level detection standard device |
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| Publication Number | Publication Date |
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| CN214277146U true CN214277146U (en) | 2021-09-24 |
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| CN202023275292.XU Active CN214277146U (en) | 2020-12-29 | 2020-12-29 | High-precision liquid level detection standard device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117433603A (en) * | 2023-12-19 | 2024-01-23 | 德阳市人民医院 | Metering device and metering method for metering residual liquid of analgesic pump |
-
2020
- 2020-12-29 CN CN202023275292.XU patent/CN214277146U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117433603A (en) * | 2023-12-19 | 2024-01-23 | 德阳市人民医院 | Metering device and metering method for metering residual liquid of analgesic pump |
| CN117433603B (en) * | 2023-12-19 | 2024-02-27 | 德阳市人民医院 | Metering device for metering analgesic pump residual liquid |
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