Accurate measuring device for liquid level of water tank

Abstract

The utility model relates to the field of liquid level measuring devices, in particular to a water tank liquid level accurate measuring device which comprises water tank liquid level accurate measuring equipment, an outer half shell A, an outer half shell B, an anti-skid pad, a floating air cushion and a water mist removing assembly. An outer half shell A and an outer half shell B which are bilaterally symmetrical wrap the outer side of the water tank liquid level accurate measurement equipment; the lower ends of the inner sides of the outer half shell A and the outer half shell B are fixedly connected with non-slip mats; floating air cushions are arranged at the lower ends of the outer sides of the outer half shell A and the outer half shell B; through symmetrical wrapping of the outer half shell A and the outer half shell B, the outer half shell A and the outer half shell B not only can position the water mist removing assembly, but also can protect operation safety of the water tank liquid level accurate measuring equipment, through linkage design of the driving motor, the rotating base, the supporting rod and the scraper, tight attachment and reciprocating motion of the scraper on the outer surface of a radar area are achieved, and the accuracy of the water tank liquid level accurate measuring equipment is improved. Condensed water is effectively removed, and the problems of measurement errors and radar area performance reduction caused by the condensed water are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid level measuring device field especially relates to water tank liquid level accurate measuring device. BACKGROUND

[0002] At present, most of the water tank of chemical water treatment system of power plant adopts radar liquid level meter installed on the top of water tank to monitor remotely and combines with the way of local display of magnetic reed liquid level meter installed on the side of water tank to monitor water level of water tank.

[0003] In winter and summer, due to the significant difference between the temperature inside the water tank and the outside environment, the temperature difference is easy to cause the measurement surface of radar liquid level meter to form liquid condensation, and the existence of condensed water can seriously affect the measurement accuracy of radar liquid level meter, and even may cause it to fail to display the water level of water tank normally, which brings hidden trouble to the stable operation of the chemical water treatment system of power plant.

[0004] Therefore, in view of the problem that the water tank liquid level accurate measuring device is easy to form liquid condensation on the measurement surface of radar liquid level meter due to the large temperature difference between the temperature inside the water tank and the outside environment in winter and summer, the water tank liquid level accurate measuring device can be designed. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem that the water tank liquid level accurate measuring device is easy to form liquid condensation on the measurement surface of radar liquid level meter due to the large temperature difference between the temperature inside the water tank and the outside environment in winter and summer.

[0006] The technical scheme of the utility model is: a water tank liquid level accurate measuring device, comprising a water tank liquid level accurate measuring device, an outer half shell A, an outer half shell B, an anti-skid pad, a floating air cushion, a radar area, and a water mist removing assembly; the water tank liquid level accurate measuring device is wrapped with the left-right symmetrical outer half shell A and outer half shell B on the outside; the inner side of the lower end of the outer half shell A and the outer half shell B is fixedly connected with an anti-skid pad for increasing the friction of the contact surface with the water tank liquid level accurate measuring device; the lower end of the outer side of the outer half shell A and the outer half shell B is provided with a floating air cushion for increasing the buoyancy of the water tank liquid level accurate measuring device and keeping it in a vertical state; the front end of the water tank liquid level accurate measuring device is provided with a radar area for accurately measuring the liquid level of the water tank; the outer surface of the radar area is provided with a water mist removing assembly for timely removing the condensed water on the surface; the water mist removing assembly comprises a driving motor; the lower end of the output shaft of the driving motor is installed with a rotating seat; the outer side of the rotating seat is installed with a support rod; the side of the support rod close to the radar area region is installed with a scraper.

[0007] Preferably, in the first step, the outer half shell A and the outer half shell B are symmetrically wrapped on the outside of the water tank liquid level accurate measuring device, and the convex magnetic attraction block and the groove type magnetic attraction block arranged on the edges of the two are automatically adsorbed and connected, so as to ensure that the two are closely attached, and the anti-skid pad 4 arranged on the inner side of the outer half shell A and the outer half shell B increases the friction between the measuring device, preventing sliding.

[0008] The second step is to place the water tank liquid level accurate measuring device in the water tank, install the floating air cushion 5 on the lower end of the outer side of the outer half shell A2 and the outer half shell B3, ensure that the measuring device can keep vertical in the water, and increase the buoyancy;

[0009] The third step is that the radar area 6 of the water tank liquid level accurate measuring device can detect the water tank liquid level, and can accurately receive and send the liquid level data.

[0010] The fourth step is that when the water tank liquid level accurate measuring device is running, the driving motor 701 drives the rotating seat 702 at the lower end of the output shaft to reciprocating rotate within the limited angle according to the predetermined program, and the scraping plate 704 installed on the side close to the radar area 6 of the linkage support rod 703 also moves, so that the scraping plate 704 can closely contact the outer surface of the radar area 6 and effectively remove the condensed water.

[0011] Preferably, the rear end of the water tank liquid level accurate measuring device is provided with a power line; and the rear end of the outer half shell A and the outer half shell B are provided with avoiding grooves for avoiding the power line.

[0012] Preferably, the upper end of the inner side of the outer half shell B is welded with a motor mounting frame; and the inner side of the motor mounting frame is provided with a driving motor.

[0013] Preferably, the left end of the edge of the outer half shell A is fixedly connected with a convex magnetic attraction block; the right end of the edge of the outer half shell B is provided with a groove type magnetic attraction block; the convex magnetic attraction block and the groove type magnetic attraction block are matched in distribution position; and the convex magnetic attraction block and the groove type magnetic attraction block are connected through adsorption.

[0014] Preferably, the support rod adopts an "L" type structure; and the scraping plate adopts a silica gel material.

[0015] Preferably, the front end of the outer half shell A and the outer half shell B is provided with an avoiding window for avoiding the radar area.

[0016] The water tank liquid level accurate measuring device has the following beneficial effects:

[0017] The water tank liquid level accurate measuring device is wrapped by the outer half shell A and the outer half shell B, and is connected through the automatic adsorption of the convex magnetic attraction block and the groove type magnetic attraction block, so that the measuring device shell is quickly and stably installed. The outer half shell A and the outer half shell B can not only position the water mist assembly, but also protect the safe operation of the water tank liquid level accurate measuring device. The floating air cushion installed on the lower end of the outer side of the outer half shell can ensure that the measuring device can keep vertical in the water, avoid the measurement error caused by inclination or rolling, and increase the buoyancy. Through the linkage design of the driving motor, the rotating seat, the support rod and the scraping plate, the scraping plate can closely contact the outer surface of the radar area and reciprocate, so that the condensed water is effectively removed, the measurement error and the performance decline of the radar area caused by the condensed water are avoided, and the long-term stable operation of the measuring device is ensured. Attached Figure Description

[0018] Figure 1 The diagram shown is a frontal perspective view of the measuring device of this utility model;

[0019] Figure 2 The diagram shown is a three-dimensional view of the rear structure of the measuring device of this utility model;

[0020] Figure 3 The diagram shown is a structural schematic of the measuring device of this utility model after removing the water tank liquid level precision measuring equipment;

[0021] Figure 4 The diagram shown is a disassembled structural diagram of the outer shell A and outer shell B of the measuring device of this utility model.

[0022] Explanation of reference numerals in the attached drawings: 1. Precise water tank level measuring device; 2. Outer half shell A; 3. Outer half shell B; 4. Anti-slip mat; 5. Floating air cushion; 6. Radar area; 701. Drive motor; 702. Rotating seat; 703. Support rod; 704. Scraper; 8. Motor mounting bracket; 9. Raised magnetic block; 10. Groove magnetic block; 11. Clearance groove; 12. Clearance window. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] Please see Figures 1-4 This utility model provides an embodiment: a water tank level precision measuring device, including a water tank level precision measuring device 1, an outer half-shell A2, an outer half-shell B3, an anti-slip pad 4, a floating air cushion 5, a radar zone 6, and a demisting component; the water tank level precision measuring device 1 is surrounded by two symmetrically arranged outer half-shells A2 and B3; anti-slip pads 4 are fixedly connected to the lower inner side of both outer half-shells A2 and B3 to increase the friction between them and the contact surface of the water tank level precision measuring device 1; the lower outer side of both outer half-shells A2 and B3... Each end is equipped with a floating air cushion 5 to increase the buoyancy of the water tank level precision measuring device 1 and keep it in a vertical position; the front end of the water tank level precision measuring device 1 is equipped with a radar zone 6 for accurately measuring the water tank level; the outer surface of the radar zone 6 is equipped with a de-fogging component for timely removal of surface condensate; the de-fogging component includes a drive motor 701; a rotating seat 702 is installed at the lower end of the output shaft of the drive motor 701; a support rod 703 is installed on the outside of the rotating seat 702; a scraper 704 is installed on the side of the support rod 703 near the radar zone 6.

[0025] Please see Figure 2In the embodiment, the water tank liquid level accurate measurement device 1 is provided with a power line at the rear end; the outer half shell A2 and the outer half shell B3 are both provided with an avoiding groove 11 at the rear end for avoiding the power line.

[0026] Please refer to Figure 4 In the embodiment, the upper end of the inner side of the outer half shell B3 is welded with a motor mounting bracket 8; the inner side of the motor mounting bracket 8 is installed with a driving motor 701; the left end of the edge of the outer half shell A2 is fixedly connected with a convex magnetic attraction piece 9; the right end of the edge of the outer half shell B3 is provided with a groove type magnetic attraction piece 10; the convex magnetic attraction piece 9 and the groove type magnetic attraction piece 10 are matched in distribution position; the convex magnetic attraction piece 9 and the groove type magnetic attraction piece 10 are connected by attraction; the support rod 703 adopts an “L” type structure; the scraper 704 adopts a silica gel material; the front end of the outer half shell A2 and the outer half shell B3 is provided with an avoiding window 12 for avoiding the radar area 6.

[0027] In the working process, first, the outer half shell A2 and the outer half shell B3 are symmetrically wrapped outside the water tank liquid level accurate measurement device 1, and are automatically connected by attraction through the convex magnetic attraction piece 9 and the groove type magnetic attraction piece 10 arranged at the edges, so as to ensure that the two are closely attached, and the friction between the device and the measurement device is increased through the anti-skid pad 4 arranged at the inner side of the outer half shell A2 and the outer half shell B3, so as to prevent sliding;

[0028] Secondly, the water tank liquid level accurate measurement device 1 is placed in the water tank, and the lower end of the outer side of the outer half shell A2 and the outer half shell B3 is installed with a floating air cushion 5, so as to ensure that the measurement device can maintain a vertical state in the water, and the buoyancy is increased;

[0029] Thirdly, the radar area 6 of the water tank liquid level accurate measurement device 1 can detect the water tank liquid level, and can also accurately receive and send liquid level data;

[0030] Fourthly, when the water tank liquid level accurate measurement device 1 is running, the driving motor 701 drives the rotating seat 702 at the lower end of the output shaft to reciprocatingly rotate within a predetermined angle according to a predetermined program, and the scraper 704 installed on the side of the support rod 703 close to the radar area 6 also moves, so as to ensure that the scraper 704 can closely attach to the outer surface of the radar area 6, and effectively remove the condensed water.

Claims

1. A device for accurate measurement of water tank level, comprising a water tank level accurate measurement device (1); characterized in that: It also includes the outer shell A (2), the outer shell B (3), the non-slip pad (4), the floating air cushion (5), the radar area (6), the water mist removal assembly; The outer side of the water tank liquid level accurate measurement equipment (1) is wrapped with the left and right symmetrical outer shell A (2) and the outer shell B (3); The inner side of the outer shell A (2) and the outer shell B (3) is fixedly connected with the non-slip pad (4) at the lower end for increasing the friction of the contact surface with the water tank liquid level accurate measurement equipment (1); The outer side of the outer shell A (2) and the outer shell B (3) is provided with the floating air cushion (5) at the lower end for increasing the buoyancy of the water tank liquid level accurate measurement equipment (1) and keeping it in vertical state; The front end of the water tank liquid level accurate measurement equipment (1) is provided with the radar area (6) for accurately measuring the water tank liquid level; The outer surface of the radar area (6) is provided with the water mist removal assembly for timely removing the surface condensed water; The water mist removal assembly comprises a driving motor (701); The lower end of the output shaft of the driving motor (701) is installed with a rotating seat (702); The outer side of the rotating seat (702) is installed with a support rod (703); The support rod (703) is installed with a scraper (704) on the side close to the radar area (6).

2. The water tank level accurate measurement device according to claim 1, characterized in that: The rear end of the water tank liquid level accurate measurement equipment (1) is provided with a power cord; The rear end of the outer shell A (2) and the outer shell B (3) is provided with an avoiding slot (11) for avoiding the power cord.

3. The water tank level accurate measurement device according to claim 1, characterized in that: The inner side of the upper end of the outer shell B (3) is welded with a motor mounting bracket (8); The inner side of the motor mounting bracket (8) is installed with a driving motor (701).

4. The water tank level accurate measurement device according to claim 1, characterized in that: The left end of the outer shell A (2) is fixedly connected with a convex magnetic attraction block (9); The right end of the outer shell B (3) is provided with a recessed magnetic attraction block (10); The distribution positions of the convex magnetic attraction block (9) and the recessed magnetic attraction block (10) are matched; The convex magnetic attraction block (9) and the recessed magnetic attraction block (10) are attached.

5. The water tank level accurate measurement device according to claim 1, characterized in that: The support rod (703) adopts "L" type structure; The scraper (704) adopts silica gel material.

6. The water tank level accurate measurement device according to claim 1, characterized in that: The front end of the outer shell A (2) and the outer shell B (3) is provided with an avoiding window (12) for avoiding the radar area (6).

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