CN115876277A - High-precision water level measuring device - Google Patents
High-precision water level measuring device Download PDFInfo
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- CN115876277A CN115876277A CN202310096302.2A CN202310096302A CN115876277A CN 115876277 A CN115876277 A CN 115876277A CN 202310096302 A CN202310096302 A CN 202310096302A CN 115876277 A CN115876277 A CN 115876277A
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Abstract
The invention relates to the technical field of liquid level measurement, and provides a high-precision water level measuring device. The method comprises the following steps: the measuring module is arranged at the top of the water pool; a shell is fixedly arranged at one end of the mounting plate extending to the water pool, a servo motor and a controller are arranged on the upper surface of the mounting plate, and an output shaft of the servo motor is fixedly connected with a gear; an upper arc-shaped chute and a lower arc-shaped chute are detachably mounted on one side of the shell, a sliding rod is slidably mounted in the upper arc-shaped chute and the lower arc-shaped chute, a rack is arranged on one side of the sliding rod, and a first stainless steel measuring needle is mounted at the lower end of the sliding rod; the lower end of the shell is provided with a connecting guide rod. The beneficial effects are that: the motor is adopted to drive the measuring needle to descend at regular time, when the end part of the measuring needle is contacted with the water surface, a contact signal is transmitted to the controller through the water and the connecting guide rod, the controller controls the servo motor to stop moving, the descending distance of the measuring needle measured twice can be calculated, the liquid level height measured each time can be obtained, and meanwhile, the evaporation capacity of water in the water pool can also be obtained.
Description
Technical Field
The invention relates to the technical field of liquid level measurement, in particular to a high-precision water level measuring device.
Background
The existing water level measuring devices are various, including non-contact (radar), contact (float type, pressure sensing type, stylus type and the like), and are respectively suitable for different use conditions. At present, the stylus type is slightly influenced by the external environment, but the stylus type is low in automation degree, time-consuming and labor-consuming, cannot realize multi-frequency observation, and is still required to be improved in measurement precision and single in use function.
In view of this, the present invention is proposed.
Disclosure of Invention
The invention aims to provide a high-precision water level measuring device to solve the technical problems in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: a high-precision water level measuring device comprising: the measuring module is arranged at the top of the water pool; the mounting plate in the measuring module is fixedly mounted on the water pool, a shell is fixedly mounted at one end, extending to the water pool, of the mounting plate, a servo motor and a controller are fixedly mounted on the upper surface of the mounting plate, an output shaft of the servo motor is fixedly connected with a gear, and the gear is located inside the shell; an upper arc-shaped chute and a lower arc-shaped chute are detachably mounted on one side of the shell, a sliding rod is slidably mounted in the upper arc-shaped chute and the lower arc-shaped chute, a rack is arranged on one side of the sliding rod, the rack is meshed with the gear, and a first stainless steel measuring needle is mounted at the lower end of the sliding rod; and the lower end of the shell is provided with a connecting guide rod.
In an optional embodiment, the sliding rod is connected with the second stainless steel measuring needle through a connecting rod, the lower end portions of the first stainless steel measuring needle and the second stainless steel measuring needle are arranged in parallel, and the first stainless steel measuring needle and the second stainless steel measuring needle synchronously move upwards or downwards.
In an optional embodiment, the controller is connected with a power supply, the controller controls the servo motor to drive the gear to rotate, and the gear drives the rack to move, so that the first stainless steel measuring needle is driven to move upwards or downwards.
In an optional embodiment, the water in the water tank is electrically connected with the controller through a connecting guide rod, and when the end of the first stainless steel measuring needle contacts the water surface in the water tank, the controller controls the servo motor to stop driving the first stainless steel measuring needle to move downwards.
In an optional embodiment, when the end of the first stainless steel measuring needle and the end of the second stainless steel measuring needle simultaneously contact the water surface in the water tank, the controller controls the servo motor to stop driving the first stainless steel measuring needle and the second stainless steel measuring needle to move downwards.
In an optional embodiment, the upper arc-shaped sliding groove and the lower arc-shaped sliding groove have the same structure, and the connecting blocks at one ends of the upper arc-shaped sliding groove and the lower arc-shaped sliding groove are fixed in the mounting groove of the shell through bolts.
In alternative embodiments, the connecting rod is arcuate or linear.
In an alternative embodiment, the connecting rod is arc-shaped when the measuring module has only the first and second stainless steel measuring needles.
In an alternative embodiment, the connecting rod is linear when the measuring module has more than three stainless steel measuring needles.
In an optional embodiment, the length of the linear connecting rod is adjustable, the lower end parts of the three or more stainless steel measuring needles are arranged in parallel, and when the measuring instrument is used, the front end of the linear connecting rod is located in the center of the water pool.
The invention has the beneficial effects that:
(1) The invention adopts the motor to drive the measuring needle to automatically descend at regular time, when the end part of the measuring needle is contacted with the water surface, a contact signal is transmitted to the controller through the water and the connecting guide rod, the controller controls the servo motor to stop moving, and the descending distance of the measuring needle measured twice can be calculated to obtain the liquid level height measured each time and the evaporation capacity of the water in the water tank.
(2) The invention measures the liquid level in the pool at specific time, and then obtains the evaporation capacity of water, the water level in the pool is sometimes in incomplete static state at each measurement, in order to measure the liquid level and the evaporation capacity more accurately, the invention sets up a first stainless steel measuring needle and a second stainless steel needle through an arc connecting rod (the radian of the arc connecting rod is the same as that of the arc pool), only when the first stainless steel measuring needle and the second stainless steel needle are contacted with the water level at the same time (namely when the water level is in static state), the contact signal with the water level is transmitted to a controller through water and a connecting guide rod to control the motor to stop rotating, and simultaneously collects the measurement data of corresponding time.
(3) The invention can also solve the technical problem of measuring the wind direction, at the moment, the number of the stainless steel measuring needles is more than three, the connecting rod is linearly and telescopically adjusted, the stainless steel measuring needles are arranged on the linear connecting rod, the front end of the linear connecting rod extends to the center of the water pool, and only when the stainless steel measuring needles are simultaneously contacted with the water surface (namely the water surface is in a static state), a contact signal with the water surface is transmitted to the controller through the water and the connecting guide rod to control the motor to stop rotating, and meanwhile, the measuring data of corresponding time is acquired. Particularly, the measuring wind direction is determined according to the contact sequence of the plurality of stainless steel measuring needles and the water surface.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a high-precision water level measuring apparatus provided in an embodiment of the present invention;
FIG. 2 is a partial structural view of a high-precision water level measuring apparatus according to an embodiment of the present invention;
wherein the reference numerals are:
1-a water pool;
2-measuring module, 21-mounting plate, 22-controller, 23-servo motor; 24-gear, 25-shell, 26-upper arc chute, 27-lower arc chute, 28-connecting guide rod, 29-sliding rod, 210-rack, 211-first stainless steel measuring needle, 212-connecting rod, 213-second stainless steel measuring needle.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless explicitly defined otherwise.
Example one
Referring to fig. 1-2, the present embodiment aims to provide a high-precision water level measuring device, which includes: the measuring module 2 is arranged at the top of the water pool 1; the mounting plate 21 in the measuring module 2 is fixedly mounted on the water pool 1, a housing 25 is fixedly mounted at one end of the mounting plate 21 extending to the water pool 1, a servo motor 23 and a controller 22 are fixedly mounted on the upper surface of the mounting plate 21, a gear 24 is fixedly connected to an output shaft of the servo motor 23, and the gear 24 is located inside the housing 25; an upper arc-shaped sliding chute 26 and a lower arc-shaped sliding chute 27 are detachably mounted on one side of the shell 25, a sliding rod 29 is slidably mounted in the upper arc-shaped sliding chute 26 and the lower arc-shaped sliding chute 27, a rack 210 is arranged on one side of the sliding rod 29, the rack 210 is meshed with the gear 24, and a first stainless steel measuring needle 211 is mounted at the lower end of the sliding rod 29; the lower end of the housing 25 is fitted with a connecting guide 28.
It should be noted that the upper arc runner 26 and the lower arc runner 27 have the same structure, and the connecting block at one end of the upper arc runner 26 and the lower arc runner 27 is fixed in the mounting groove of the housing 25 by bolts.
Specifically, the controller 22 is connected to a power supply, the controller 22 controls the servo motor 23 to drive the gear 24 to rotate, and the gear 24 drives the rack 210 to move, so as to drive the first stainless steel measuring tip 211 to move upwards or downwards.
In use, the water in the water tank 1 is electrically connected to the controller 22 through the connecting guide rod 28, and when the end of the first stainless steel measuring probe 211 contacts the water surface in the water tank 1, the controller 22 controls the servo motor 23 to stop driving the first stainless steel measuring probe 211 to move downwards.
The embodiment is provided with a measuring needle, the servo motor 23 is adopted to drive the measuring needle to automatically descend at regular time, when the end part of the measuring needle is contacted with the water surface, a contact signal is transmitted to the controller through the water and the connecting guide rod 28, the controller 22 controls the servo motor 23 to stop moving, the liquid level height of a first time point and the liquid level height of a second time point are calculated and recorded, the liquid level height measured at each time can be obtained by calculating the descending distance of the measuring needle measured twice, and meanwhile, the evaporation capacity of water in the water pool 1 can also be obtained.
Example two
Referring to fig. 1-2, the present embodiment aims to provide a high-precision water level measuring device, which includes: a measuring module 2 arranged on the top of the pool 1; the device comprises a measuring module 2, a mounting plate 21, a servo motor 23, a controller 22, a gear 24, a power supply and a power supply, wherein the mounting plate 21 in the measuring module 2 is fixedly mounted on a water pool 1, one end of the mounting plate 21, which extends to the water pool 1, is fixedly provided with a shell 25, the upper surface of the mounting plate 21 is fixedly provided with the servo motor 23 and the controller 22, the output shaft of the servo motor 23 is fixedly connected with the gear 24, and the gear 24 is positioned in the shell 25; an upper arc-shaped sliding chute 26 and a lower arc-shaped sliding chute 27 are detachably mounted on one side of the shell 25, a sliding rod 29 is slidably mounted in the upper arc-shaped sliding chute 26 and the lower arc-shaped sliding chute 27, a rack 210 is arranged on one side of the sliding rod 29, the rack 210 is meshed with the gear 24, and a first stainless steel measuring needle 211 is mounted at the lower end of the sliding rod 29; the lower end of the housing 25 is mounted with a connecting guide 28.
It should be noted that the upper arc runner 26 and the lower arc runner 27 have the same structure, and the connecting block at one end of the upper arc runner 26 and the lower arc runner 27 is fixed in the mounting groove of the housing 25 by bolts.
Specifically, the controller 22 is connected to a power supply, the controller 22 controls the servo motor 23 to drive the gear 24 to rotate, and the gear 24 drives the rack 210 to move, so as to drive the first stainless steel measuring tip 211 to move upwards or downwards. In this embodiment, the sliding rod 29 is connected to the second stainless steel measurement tip 213 through the connecting rod 212, the lower end portions of the first stainless steel measurement tip 211 and the second stainless steel measurement tip 213 are flush, and the first stainless steel measurement tip 211 and the second stainless steel measurement tip 213 move upward or downward synchronously. The water in the pool 1 is electrically connected to the controller 22 by a connecting rod 28. And, the connecting rod 212 is an arc-shaped connecting rod, and the radian of the radian pool 1 of the arc-shaped connecting rod is the same.
In this example, there are two stainless steel measurement needles. When the end of the first stainless steel measuring needle 211 and the end of the second stainless steel measuring needle 213 simultaneously contact the water surface in the water tank 1, the controller 22 controls the servo motor 23 to stop driving the first stainless steel measuring needle 211 and the second stainless steel measuring needle 213 to move downwards, so that the problem of inaccurate measured data when the water surface is in a non-static state at a specific time is avoided, and when the first stainless steel measuring needle 211 and the second stainless steel measuring needle 213 are not simultaneously in contact with the water surface, other close time points are selected for measurement, so that the liquid level height and the evaporation capacity of the water tank 1 can be measured more accurately.
EXAMPLE III
An object of this embodiment is to provide a high accuracy water level measuring device, includes: a measuring module 2 arranged on the top of the pool 1; the device comprises a measuring module 2, a mounting plate 21, a servo motor 23, a controller 22, a gear 24, a power supply and a power supply, wherein the mounting plate 21 in the measuring module 2 is fixedly mounted on a water pool 1, one end of the mounting plate 21, which extends to the water pool 1, is fixedly provided with a shell 25, the upper surface of the mounting plate 21 is fixedly provided with the servo motor 23 and the controller 22, the output shaft of the servo motor 23 is fixedly connected with the gear 24, and the gear 24 is positioned in the shell 25; an upper arc-shaped sliding groove 26 and a lower arc-shaped sliding groove 27 are detachably mounted on one side of the shell 25, a sliding rod 29 is slidably mounted in the upper arc-shaped sliding groove 26 and the lower arc-shaped sliding groove 27, a rack 210 is arranged on one side of the sliding rod 29, the rack 210 is meshed with the gear 24, and a first stainless steel measuring needle 211 is mounted at the lower end of the sliding rod 29; the lower end of the housing 25 is mounted with a connecting guide 28.
It should be noted that the upper arc-shaped sliding chute 26 and the lower arc-shaped sliding chute 27 have the same structure, and a connecting block at one end of the upper arc-shaped sliding chute 26 and one end of the lower arc-shaped sliding chute 27 are fixed in the mounting groove of the housing 25 by bolts.
Specifically, the controller 22 is connected with a power supply, the controller 22 controls the servo motor 23 to drive the gear 24 to rotate, and the gear 24 drives the rack 210 to move, so as to drive the plurality of stainless steel measuring needles 211 to move upwards or downwards. In this embodiment, the sliding rod 29 is connected to a plurality of other stainless steel measuring needles through the connecting rod 212, the lower end portions of the plurality of stainless steel measuring needles are arranged in parallel, and all the stainless steel measuring needles synchronously move up or down under the driving of the servo motor 23. The water in the pool 1 is electrically connected to the controller 22 by a connecting rod 28. And, the connecting rod 212 is a linear type connecting rod, the length of the linear type connecting rod 212 is adjustable, and when in use, the front end of the linear type connecting rod 212 is positioned at the center position of the pool 1.
In the present embodiment, three or more stainless steel measurement needles are provided. When the ends of the stainless steel measuring needles simultaneously contact the water surface in the water tank 1, the controller 22 controls the servo motor 23 to stop driving the stainless steel needles to move downwards, so that the problem of inaccurate measuring data when the water surface is in a non-static state at a specific time is solved, and when the stainless steel needles 213 are not simultaneously in contact with the water surface, other close time points are selected for measurement, so that the liquid level height and the evaporation capacity of the water tank 1 can be measured more accurately. Particularly, when the wind direction is measured according to the contact sequence of the stainless steel measuring pins and the water surface, for example, when the wind blows to the edge of the pool 1 from one side, the water surface in the middle of the pool 1 is finally contacted with the stainless steel pins of the linear connecting rod in the middle of the pool 1, the water in the edge of the pool 1 is firstly contacted with the stainless steel pins of the linear connecting rod in the edge of the pool 1, and the wind direction is judged according to the contact sequence of the corresponding stainless steel pins and the water surface of the pool 1.
In the above embodiments, the gear driving manner can be implemented by a linear motor instead.
Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A high-precision water level measuring device, comprising: a measuring module (2) arranged at the top of the water pool (1); the device comprises a measuring module (2), a mounting plate (21) in the measuring module (2) and a shell (25), wherein the mounting plate (21) is fixedly mounted on the water pool (1), one end, extending to the water pool (1), of the mounting plate (21) is fixedly provided with the shell (25), the upper surface of the mounting plate (21) is fixedly provided with a servo motor (23) and a controller (22), an output shaft of the servo motor (23) is fixedly connected with a gear (24), and the gear (24) is located inside the shell (25);
an upper arc-shaped sliding groove (26) and a lower arc-shaped sliding groove (27) are detachably mounted on one side of the shell (25), a sliding rod (29) is slidably mounted in the upper arc-shaped sliding groove (26) and the lower arc-shaped sliding groove (27), a rack (210) is arranged on one side of the sliding rod (29), the rack (210) is meshed with the gear (24), and a first stainless steel measuring needle (211) is mounted at the lower end of the sliding rod (29); and a connecting guide rod (28) is arranged at the lower end of the shell (25).
2. The high-precision water level measuring device according to claim 1, wherein the sliding rod (29) is connected to the second stainless steel measuring tip (213) through a connecting rod (212), the lower ends of the first stainless steel measuring tip (211) and the second stainless steel measuring tip (213) are flush, and the first stainless steel measuring tip (211) and the second stainless steel measuring tip (213) move up or down synchronously.
3. The high-precision water level measuring device according to claim 2, wherein the controller (22) is connected with a power supply, the controller (22) controls the servo motor (23) to drive the gear (24) to rotate, and the gear (24) drives the rack (210) to move, so as to drive the first stainless steel measuring needle (211) to move upwards or downwards.
4. The high accuracy water level measuring device according to claim 3, wherein the water in the water tank (1) is electrically connected with the controller (22) through a connecting guide rod (28), and when the end of the first stainless steel measuring needle (211) contacts the water surface in the water tank (1), the controller (22) controls the servo motor (23) to stop driving the first stainless steel measuring needle (211) to move downwards.
5. The high accuracy water level measuring device according to claim 4, wherein the controller (22) controls the servo motor (23) to stop driving the first stainless steel measuring pin (211) and the second stainless steel measuring pin (213) to move down when the end of the first stainless steel measuring pin (211) and the end of the second stainless steel measuring pin (213) simultaneously contact the water surface in the water tank (1).
6. The high-precision water level measuring device according to claim 1, wherein the upper arc-shaped chute (26) and the lower arc-shaped chute (27) have the same structure, and a connecting block at one end of the upper arc-shaped chute (26) and the lower arc-shaped chute (27) is fixed in a mounting groove of the housing (25) by a bolt.
7. The high accuracy water level measuring device of claim 2, wherein the connecting rod (212) is arc-shaped or linear.
8. The high accuracy water level measuring device according to claim 7, wherein the connecting rod (212) is arc-shaped when the measuring module (2) has only the first stainless steel measuring needle (211) and the second stainless steel needle (213).
9. The high accuracy water level measuring device according to claim 7, wherein when said measuring module (2) has more than three stainless steel measuring pins, said connecting rod (212) is linear.
10. The high accuracy water level measuring device of claim 9, wherein the length of the linear connecting rod (212) is adjustable, the lower end parts of more than three stainless steel measuring pins are arranged in parallel, and the front end of the linear connecting rod (212) is positioned at the center of the water tank (1) when in use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310096302.2A CN115876277A (en) | 2023-02-10 | 2023-02-10 | High-precision water level measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310096302.2A CN115876277A (en) | 2023-02-10 | 2023-02-10 | High-precision water level measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115876277A true CN115876277A (en) | 2023-03-31 |
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ID=85761003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310096302.2A Pending CN115876277A (en) | 2023-02-10 | 2023-02-10 | High-precision water level measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115876277A (en) |
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2023
- 2023-02-10 CN CN202310096302.2A patent/CN115876277A/en active Pending
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