Electric steel ruler liquid level meter

Abstract

The electric steel ruler liquid level meter comprises a device supporting frame, a rotating motor, a telescopic support and a liquid level measuring mechanism, the liquid level measuring mechanism comprises a rolling wheel, a steel ruler, a probe, a water sensor, an indicator lamp and a control panel, the telescopic support comprises a mounting rod and a telescopic rod, and during measurement, the probe is wound around the telescopic rod with the proper length, and the water sensor is arranged on the mounting rod. The control panel drives the rotating motor to drive the rolling wheel to rotate, slow descending of the probe and the steel ruler is achieved, and when the water sensor arranged at the bottom of the probe makes contact with underground water, the control panel can receive signals, the rotating motor is made to stop automatically, and the indicator light is controlled to be turned on to prompt measuring personnel to obtain the underground water level through reading of the steel ruler. Accurate lowering of the probe can be achieved in an electric and automatic control mode, liquid level measurement is accurate, in addition, the probe bypasses the telescopic rod to be lowered, the device can be suitable for complex environments, and the probe and the steel ruler are prevented from being collided and damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of water level measurement, in particular to an electric steel ruler liquid level meter. Background Art

[0002] Groundwater is an important part of the earth's water cycle and has a profound impact on human society, natural environment and ecosystem. Therefore, scientific and accurate monitoring of groundwater level is of key significance in water resource management and environmental protection. When measuring groundwater level, a level meter is needed. Commonly used level meters include magnetic flap level meter, float level meter, radar level meter, glass plate level meter, capacitive level meter and steel ruler level meter. Among them, the steel ruler level meter is to lower the steel ruler through the groundwater detection well and measure the groundwater level by reading the steel ruler. However, there are some defects in actual use: ① The traditional steel ruler level meter needs to be manually lowered and recovered during work, and the lowering angle and speed are constantly changed during the lowering process, which may collide with the sensor, consume manpower and accelerate the damage of the sensor; ② The excavated groundwater detection well has limited operating space. When lowering the steel ruler, the traditional steel ruler level meter will have the problem of not being able to smoothly lower it to the wellhead, and because the steel ruler is not easy to control, it is easy to scrape against the wellhead during lowering and cause damage. Utility Model Content

[0003] In view of this, the utility model proposes an electric steel ruler liquid level gauge, in which the probe can be lowered bypassing the telescopic support, which is convenient for adjusting the angle and speed, avoiding collision and damage to the water immersion sensor and the steel ruler. It is suitable for complex and limited operating spaces, and at the same time has electric automatic control, reducing manpower consumption and the generation of unstable factors caused by manpower control.

[0004] The technical solution of the utility model is achieved in this way:

[0005] An electric steel ruler liquid level gauge comprises a device support frame, a rotating motor, a telescopic support and a liquid level measuring mechanism, wherein the liquid level measuring mechanism comprises a roller, a steel ruler, a probe, a water immersion sensor, an indicator light and a control panel, wherein the rotating motor is arranged on the device support frame, and its rotating shaft is connected to one side of the roller, the steel ruler is wrapped around the roller, and one end of the steel ruler is connected to the probe, the water immersion sensor is arranged at the bottom end of the probe, the indicator light and the control panel are arranged on the side of the roller away from the rotating motor, and the control panel is electrically connected to the rotating motor, the water immersion sensor and the indicator light respectively; the telescopic support comprises a mounting rod and a telescopic rod, wherein the mounting rod is arranged on the side wall of the device support frame, the telescopic rod is arranged at the top of the mounting rod and is located above the roller, and the probe is lowered by bypassing the telescopic rod.

[0006] Preferably, the telescopic rod includes a hollow tube, a movable rod and a fixing mechanism, one end of the hollow tube is connected to the top of the mounting rod and the other end is open, one end of the movable rod extends into the hollow tube and is fixed by the fixing mechanism, and the probe is lowered around the movable rod.

[0007] Preferably, the fixing mechanism includes an elastic bead and a plurality of positioning grooves, the elastic bead is arranged on the outer wall of the moving rod, and the plurality of positioning grooves are arranged on the outer wall of the hollow tube, and the moving rod extends into the hollow tube so that the elastic bead is embedded in the positioning groove.

[0008] Preferably, a groove is provided on the top surface of the moving rod, and the probe is lowered around the moving rod so that the steel ruler is located in the groove.

[0009] Preferably, the telescopic rod further includes a rotating shaft and a bearing, the bearings are relatively arranged on the side walls of the groove, both ends of the rotating shaft are connected to the bearings, and the probe bypasses the moving rod to make the steel ruler contact the outer wall of the rotating shaft.

[0010] Preferably, a through hole is provided on the side wall of the device support frame, a rotating rod is provided on the side wall of the bottom end of the mounting rod, the rotating rod extends into the through hole, and the inner wall of the through hole and the outer wall of the rotating rod are provided with raised strips that cooperate with each other to limit the position.

[0011] Preferably, the liquid level measuring mechanism further comprises a charge-discharge power supply, which is arranged inside the roller and supplies power to the rotating motor, the water immersion sensor, the indicator light and the control panel respectively.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] ① The device support frame is placed on the bottom surface around the groundwater detection well. The probe at the end of the steel ruler is lowered into the detection well. When the bottom of the probe contacts the groundwater, the water immersion sensor will detect a signal, and the control panel will control the indicator light to light up, prompting the measurement personnel to have been lowered into place. At this time, the staff can measure the groundwater level information according to the reading on the steel ruler to ensure the accuracy of the groundwater level measurement;

[0014] ② Before lowering the probe, first wrap the probe around the telescopic rod and then lower it. During the lowering process, control to avoid constantly adjusting the angle and speed of the probe and the steel ruler, which may cause collision with the water sensor and cause damage;

[0015] ③The telescopic support can be adjusted in length, thereby adjusting the position of the probe that bypasses the telescopic rod, so that the probe can be smoothly lowered into the wellhead, which can be applied to some detection wells with limited space;

[0016] ④ The utility model utilizes electric automatic control to achieve button-type automatic control, freeing up human control, making the operation of the equipment simpler and more labor-saving, thereby increasing the life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only preferred embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a schematic diagram of the main structure of the electric steel ruler liquid level gauge of the utility model;

[0019] Figure 2 It is a side view structural diagram of the electric steel ruler liquid level gauge of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the telescopic rod of the electric steel ruler liquid level gauge of the utility model;

[0021] Figure 4 It is a schematic diagram of the connection structure between the mounting rod and the device support frame of the electric steel ruler liquid level gauge of the utility model;

[0022] In the figure, 1 is a device support frame, 2 is a rotating motor, 3 is a roller, 4 is a steel ruler, 5 is a probe, 6 is a water immersion sensor, 7 is an indicator light, 8 is a control panel, 9 is a mounting rod, 10 is a telescopic rod, 11 is a hollow tube, 12 is a moving rod, 13 is an elastic bump bead, 14 is a positioning groove, 15 is a groove, 16 is a rotating shaft, 17 is a bearing, 18 is a through hole, 19 is a rotating rod, 20 is a raised strip, and 21 is a charging and discharging power supply. DETAILED DESCRIPTION

[0023] In order to better understand the technical content of the present invention, a specific embodiment is provided below, and the present invention is further described in conjunction with the accompanying drawings.

[0024] See also Figures 1 to 4The electric steel ruler liquid level gauge provided by the utility model comprises a device support frame 1, a rotating motor 2, a telescopic support and a liquid level measuring mechanism, wherein the liquid level measuring mechanism comprises a roller 3, a steel ruler 4, a probe 5, a water immersion sensor 6, an indicator light 7 and a control panel 8, wherein the rotating motor 2 is arranged on the device support frame 1, and its rotating shaft is connected to one side of the roller 3, the steel ruler 4 is wound on the roller 3, and one end thereof is connected to the probe 5, the water immersion sensor 6 is arranged at the bottom end of the probe 5, the indicator light 7 and the control panel 8 are arranged on the side of the roller 3 away from the rotating motor 2, and the control panel 8 is electrically connected to the rotating motor 2, the water immersion sensor 6 and the indicator light 7 respectively; the telescopic support comprises a mounting rod 9 and a telescopic rod 10, wherein the mounting rod 9 is arranged on the side wall of the device support frame 1, the telescopic rod 10 is arranged at the top of the mounting rod 9 and is located above the roller 3, and the probe 5 is lowered by bypassing the telescopic rod 10.

[0025] The utility model discloses an electric steel ruler liquid level meter, which is improved on the basis of the traditional steel ruler 4 liquid level meter, wherein the steel ruler 4 for measuring the liquid level is wound on the roller 3, and the roller 3 is driven by the rotating motor 2. After the device support frame 1 is placed on one side of the groundwater detection well, the rotating motor 2 can be started by the placement button on the control panel 8, and the rotating motor 2 drives the roller 3 to rotate, so that the probe 5 drives the steel ruler 4 to be lowered along the groundwater detection well, and a water immersion sensor 6 of model XW-DC-01 is arranged at the bottom of the probe 5. When the water immersion sensor 6 is in contact with the groundwater, the water immersion sensor 6 is connected to the groundwater. When touched, a signal will be sent to the control panel 8, and the control panel 8 will control the indicator light 7 to light up. At this time, it can be determined that the probe 5 is lowered to the location where the groundwater is. Then the surveyor can control the lowering process to stop through the control panel 8, and judge the groundwater level information according to the scale on the steel ruler 4. Since the indicator light 7 is used to judge whether the probe 5 is lowered into place, it can be suitable for detection wells with deeper depths to ensure the accuracy of the liquid level measurement results. After the measurement is completed, the collection button on the control panel 8 can be used to control the rotating motor 2 to drive the roller 3 to reel in the steel ruler 4.

[0026] Before measuring, the telescopic support can be adjusted, the telescopic rod 10 on one side of the top of the mounting rod 9 can be adjusted in length, and then the probe 5 can be lowered after passing around the telescopic rod 10. By adjusting the length of the telescopic rod 10, the lowering path of the probe 5 can be changed to facilitate application in special-shaped groundwater detection wells or areas with limited environmental space. In addition, the lowering of the probe 5 can be accurately controlled by the telescopic rod 10 to avoid collision and damage between the probe 5 and the steel ruler 4 when being lowered.

[0027] Preferably, the telescopic rod 10 includes a hollow tube 11, a moving rod 12 and a fixing mechanism, one end of the hollow tube 11 is connected to the top of the mounting rod 9, and the other end is open, one end of the moving rod 12 extends into the hollow tube 11 and is fixed by the fixing mechanism, the probe 5 bypasses the moving rod 12 and is lowered, the fixing mechanism includes an elastic bead 13 and a plurality of positioning grooves 14, the elastic bead 13 is arranged on the outer wall of the moving rod 12, and the plurality of positioning grooves 14 are arranged on the outer wall of the hollow tube 11, the moving rod 12 extends into the hollow tube 11 so that the elastic bead 13 is embedded in the positioning groove 14.

[0028] When adjusting the length of the telescopic rod 10, the moving rod 12 can be pulled to move along the hollow tube 11. During the movement, the elastic bead 13 can pop out into different positioning grooves 14. After determining the length of the telescopic rod 10 according to actual needs, good support can be provided for the lowering of the probe 5.

[0029] Preferably, a groove 15 is provided on the top surface of the moving rod 12, and the probe 5 is lowered around the moving rod 12 so that the steel ruler 4 is located in the groove 15. The telescopic rod 10 also includes a rotating shaft 16 and a bearing 17. The bearing 17 is relatively arranged on the side walls of the groove 15, and both ends of the rotating shaft 16 are connected to the bearing 17. The probe 5 bypasses the moving rod 12 so that the steel ruler 4 contacts the outer wall of the rotating shaft 16.

[0030] When the probe 5 passes around the telescopic rod 10, the steel ruler 4 is located in the groove 15 and contacts the rotating shaft 16. When the probe 5 is lowered, the rotating shaft 16 can rotate under the support of the bearing 17 to ensure smooth movement of the steel ruler 4.

[0031] Preferably, a through hole 18 is provided on the side wall of the device support frame 1, and a rotating rod 19 is provided on the side wall at the bottom end of the mounting rod 9. The rotating rod 19 extends into the through hole 18, and the inner wall of the through hole 18 and the outer wall of the rotating rod 19 are provided with raised strips 20 that cooperate with each other to limit the position.

[0032] In order to further adapt to the use of different detection wells, the telescopic rod 10 is arranged to be rotatable, and the mounting rod 9 can be rotated as a whole. When rotating, the rotating rod 19 on one side of its bottom can rotate in the through hole 18, and the raised strip 20 provided can limit the rotating rod 19 to prevent the mounting rod 9 and the telescopic rod 10 from rotating under their own gravity.

[0033] Preferably, the liquid level measuring mechanism further comprises a charge-discharge power supply 21, which is arranged inside the roller 3 and supplies power to the rotary motor 2, the water immersion sensor 6, the indicator light 7 and the control panel 8 respectively.

[0034] The charge-discharge power supply 21 can be used to power the electronic components, ensuring that the measurement process can proceed normally.

[0035] The electric steel ruler level meter of the utility model has three modes set on its control panel 8, including lowering, recovery and measuring the well depth. Through the internally set automatic program, in the lowering mode, the probe 5 will be lowered into the groundwater, wherein the water immersion sensor 6 will contact the groundwater, so that after sensing the water body, the indicator light 7 will light up, and the rotating motor 2 will automatically stop working to prompt the staff to read the steel ruler 4. After the measurement is completed, the steel ruler 4 can be recovered through the recovery mode; while in the well depth measurement mode, the induction of the water sensor 6 can be shielded, and after the steel ruler 4 is slowly lowered, the position of the well depth is determined by the human eye, and the well depth measurement button is pressed again to stop the rotating motor 2 and realize the measurement of the well depth. The groundwater level measurement and well depth measurement of the utility model can be carried out automatically to ensure the accuracy of the measurement results and improve the measurement efficiency.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Electric steel ruler level gauge, characterized in that: It includes a device support frame, a rotating motor, a telescopic support and a liquid level measuring mechanism, wherein the liquid level measuring mechanism includes a roller, a steel ruler, a probe, a water immersion sensor, an indicator light and a control panel, wherein the rotating motor is arranged on the device support frame, and its rotating shaft is connected to one side of the roller, the steel ruler is wound on the roller, and one end of the steel ruler is connected to the probe, the water immersion sensor is arranged at the bottom end of the probe, the indicator light and the control panel are arranged on the side of the roller away from the rotating motor, and the control panel is electrically connected to the rotating motor, the water immersion sensor and the indicator light respectively; the telescopic support includes a mounting rod and a telescopic rod, wherein the mounting rod is arranged on the side wall of the device support frame, the telescopic rod is arranged at the top end of the mounting rod and is located above the roller, and the probe is lowered by bypassing the telescopic rod.

2. The electric steel ruler level gauge according to claim 1, characterized in that: The telescopic rod includes a hollow tube, a moving rod and a fixing mechanism. One end of the hollow tube is connected to the top of the mounting rod and the other end is open. One end of the moving rod extends into the hollow tube and is fixed by the fixing mechanism. The probe bypasses the moving rod and is lowered.

3. The electric steel ruler level gauge according to claim 2, characterized in that: The fixing mechanism comprises an elastic bead and a plurality of positioning grooves, wherein the elastic bead is arranged on the outer wall of the moving rod, and the plurality of positioning grooves are arranged on the outer wall of the hollow tube, and the moving rod extends into the hollow tube so that the elastic bead is embedded in the positioning groove.

4. The electric steel ruler level gauge according to claim 2, characterized in that: The top surface of the moving rod is provided with a groove, and the probe is lowered around the moving rod so that the steel ruler is located in the groove.

5. The electric steel ruler level gauge according to claim 4, characterized in that: The telescopic rod also includes a rotating shaft and a bearing. The bearings are arranged relatively on the side walls of the groove. Both ends of the rotating shaft are connected to the bearings. The probe bypasses the moving rod to make the steel ruler contact the outer wall of the rotating shaft.

6. The electric steel ruler level gauge according to claim 1, characterized in that: The side wall of the device support frame is provided with a through hole, the side wall of the bottom end of the mounting rod is provided with a rotating rod, the rotating rod extends into the through hole, and the inner wall of the through hole and the outer wall of the rotating rod are provided with raised strips that cooperate with each other to limit the position.

7. The electric steel ruler level gauge according to claim 1, characterized in that: The liquid level measuring mechanism also includes a charge-discharge power supply, which is arranged inside the roller and supplies power to the rotating motor, the water immersion sensor, the indicator light and the control panel respectively.

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