Water level detection device capable of resisting external interference

Abstract

The utility model provides an external interference resistant water level detection device, which is arranged in a water tank and comprises a detection main body, a fixed plate and a plurality of detection electrodes, the detection main body is arranged on one side of the water tank, the plurality of detection electrodes are arranged in the water tank, one side of each detection electrode is arranged on the fixed plate, and the other side of each detection electrode is arranged on the fixed plate. The multiple detection electrodes are distributed at equal intervals in the vertical direction, the fixing plate is connected with the inner side wall of the water using tank through a connecting assembly, the connecting assembly enables the fixing plate and the fixing tank to be separated and installed, and the device achieves the fixing effect by arranging the multiple detection electrodes and is further provided with the connecting assembly. The fixing plate is connected with the inner side wall of the water tank through the connecting assembly, the connecting assembly enables the fixing plate and the fixing tank to be separated and installed, the multiple detection electrodes can be integrally taken out of the water tank, maintenance of the detection electrodes is facilitated, the detection electrodes can be prevented from being soaked in water all the time to a certain extent, and the detection efficiency is improved. And the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of water level detection, in particular to a water level detection device that is resistant to external interference. Background Art

[0002] The water level detection device is a device used to measure the water level height of a water body. It is widely used in various types of water bodies such as rivers, lakes, reservoirs, oceans, and sewage treatment plants. This device is generally composed of a water level sensor, a data acquisition device, a data processing unit, a communication device, and a power supply device. Each part works together to achieve accurate measurement and real-time monitoring of the water level. In the existing water level detection device, some are set in some water-using equipment, such as storage electric water heaters, water purifiers, etc. Many of them are realized by using capacitive water level detection devices. The position of the steam-water interface is determined by the difference in the electrical conductivity of steam and water by the electrodes installed in the water-using equipment, so as to light up lights of different colors to display the water level of the drum.

[0003] In the existing water level detection device for water-using equipment, a detection electrode and a detection body are usually included. During use, a plurality of detection electrodes are usually provided. The plurality of detection electrodes are usually arranged vertically inside the water-using equipment. The plurality of detection electrodes and the detection body are usually connected by cables. However, in actual use, there are usually two situations:

[0004] One is that multiple detection electrodes are usually placed directly inside the water-using equipment. However, when the external pipe inputs water into the water-using equipment, the position between the electrodes may change. The tilt of the electrode sheet may cause the measurement accuracy of the water level detection device to decrease. The tilted electrode sheet may make the detection subject unable to accurately sense the water level change, thereby causing the measurement value to deviate.

[0005] The second is that multiple detection electrodes are directly integrated with the water-using equipment. However, in this method, during long-term use, the detection electrodes are immersed in water for a long time and may be corroded, resulting in electrode failure or measurement errors.

[0006] Therefore, it is necessary to provide a new water level detection device that is resistant to external interference to solve the above technical problems. Utility Model Content

[0007] In order to solve the above technical problems, the utility model provides a water level detection device which is resistant to external interference.

[0008] The utility model provides a water level detection device resistant to external interference, which is arranged inside a water tank and comprises a detection body, a fixing plate and a plurality of detection electrodes, wherein the detection body is installed on one side of the water tank, a plurality of detection electrodes are arranged inside the water tank, one side of the plurality of detection electrodes are installed on the fixing plate, the plurality of detection electrodes are distributed at equal distances in a vertical direction, the fixing plate is connected to the inner side wall of the water tank by a connecting component, and the connecting component enables the fixing plate to be separated from the fixing box and installed.

[0009] Preferably, the connecting assembly includes a first mounting plate, a second mounting plate and two limit plates, the two limit plates are respectively fixedly arranged on opposite sides of the fixing plate, the first mounting plate and the second mounting plate are both fixedly arranged on one side of the water tank, the adjacent sides of the first mounting plate and the second mounting plate are both provided with sliding grooves, the two limit plates are respectively movably arranged in the sliding grooves, and a locking group is provided on one side of the limit plate close to the first mounting plate.

[0010] Preferably, the locking group includes a locking block and a spring, one side of the locking block movably extends to the interior of a limiting plate close to the first mounting plate, the edge of the locking block away from the limiting plate is arranged in an arc shape, the side of the locking block close to the limiting plate is fixedly connected to one end of the spring, and the end of the spring away from the locking plate is fixedly connected to the inner wall of the limiting plate.

[0011] Preferably, a cable duct is provided at the upper end of the water tank.

[0012] Preferably, a mounting groove for mounting the detection electrode is provided on one side of the fixing plate, and the detection electrode is mounted inside the mounting groove by a plurality of limiting bolts.

[0013] Preferably, a wire management cavity is provided inside the fixing plate.

[0014] Preferably, a tank cover is installed on the upper end of the water tank.

[0015] Compared with the related art, the water level detection device resistant to external interference provided by the utility model has the following beneficial effects:

[0016] The device is arranged to evenly install multiple detection electrodes in a vertical direction on a fixed plate. This method can achieve a fixing effect on the multiple detection electrodes and prevent them from being disturbed by external factors and tilting, which affects the accuracy of the overall detection results. On the other hand, a connecting component is also provided, and the fixing plate is connected to the inner wall of the water tank through the connecting component. The connecting component allows the fixing plate to be separated and installed from the fixing box, so that the multiple detection electrodes can be taken out of the water tank as a whole, which is convenient for the maintenance of the detection electrodes and can prevent the detection electrodes from being immersed in water to a certain extent, thereby increasing their service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the overall structure of the water level detection device resistant to external interference provided by the utility model;

[0018] Figure 2 A schematic diagram of the external structure of the water level detection device resistant to external interference provided by the utility model;

[0019] Figure 3 A partial schematic diagram of the interior of the water tank provided by the utility model;

[0020] Figure 4 A schematic diagram of a connection assembly provided by the utility model;

[0021] Figure 5 for Figure 4 The enlarged view of point A is shown;

[0022] Figure 6 This is a cross-sectional view of the limiting plate provided by the utility model.

[0023] Numbers in the figure: 1. Water tank; 2. Detection electrode; 3. Fixing plate; 4. Cable; 5. Limit bolt; 6. Box cover; 7. Detection body; 8. First mounting plate; 9. Second mounting plate; 10. Cable trough; 11. Mounting slot; 12. Limit plate; 13. Clamping block; 14. Spring; 15. Wire management cavity. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0025] Please refer to Figure 1-Figure 6 ,in, Figure 1 A schematic diagram of the overall structure of the water level detection device resistant to external interference provided by the utility model; Figure 2 A schematic diagram of the external structure of the water level detection device resistant to external interference provided by the utility model; Figure 3 A partial schematic diagram of the interior of the water tank provided by the utility model; Figure 4 A schematic diagram of a connection assembly provided by the utility model; Figure 5 for Figure 4 The enlarged view of point A is shown; Figure 6 This is a cross-sectional view of the limiting plate provided by the utility model.

[0026] In the specific implementation process, Figure 1-Figure 6As shown, a water level detection device resistant to external interference is arranged inside a water tank 1, comprising a detection body 7, a fixing plate 3 and a plurality of detection electrodes 2, the detection body 7 is installed on one side of the water tank 1, the plurality of detection electrodes 2 are all arranged inside the water tank 1, one side of the plurality of detection electrodes 2 are all installed on the fixing plate 3, the plurality of detection electrodes 2 are distributed at equal distances in the vertical direction, the fixing plate 3 is connected to the inner side wall of the water tank 1 through a connecting component, the connecting component enables the fixing plate 3 to be separated from the fixing box and installed, wherein the detection body 7 and the plurality of detection electrodes 2 are connected through a cable 4;

[0027] The detection subject 7 mentioned above is a UDZ-Z electric contact water level gauge, which has the advantages of simple structure principle, stable performance, reliable operation and convenient maintenance, so it has been widely used in various water containers;

[0028] The connecting assembly includes a first mounting plate 8, a second mounting plate 9 and two limit plates 12, the two limit plates 12 are respectively fixedly arranged on opposite sides of the fixing plate 3, the first mounting plate 8 and the second mounting plate 9 are both fixedly arranged on one side of the water tank 1, the adjacent sides of the first mounting plate 8 and the second mounting plate 9 are both provided with sliding grooves, the two limit plates 12 are respectively movably arranged in the sliding grooves, and a clamping group is provided on one side of the limit plate 12 close to the first mounting plate 8;

[0029] The clamping group includes a clamping block 13 and a spring 14. One side of the clamping block 13 movably extends to the inside of the limit plate 12 close to the first mounting plate 8. The edge of the clamping block 13 away from the limit plate 12 is set in an arc shape. The side of the clamping block 13 close to the limit plate 12 is fixedly connected to one end of the spring 14, and the end of the spring 14 away from the clamping plate is fixedly connected to the inner side wall of the limit plate 12.

[0030] Specifically, when it is necessary to remove the multiple detection electrodes 2, the locking block 13 can be pressed toward the inside of the limiting plate 12 close to the first mounting plate 8. When the locking block 13 completely enters the inside of the above-mentioned limiting plate 12, the two limiting plates 12 can be taken out from the inside of the first mounting plate 8 and the second mounting plate 9, and the overall disassembly of the fixing plate 3 is completed, that is, the removal of the multiple detection electrodes 2 is completed; subsequently, when it is necessary to reinstall the position of the fixing plate 3, the two limiting plates 12 can be pushed toward the inside of the first mounting plate 8 and the second mounting plate 9 again. In this process, since one side edge of the locking block 13 is set to an arc shape, the locking block 13 will re-enter the inside of the limiting plate 12 close to the first mounting plate 8 through the squeezing of the first mounting plate 8, until the two limiting plates 12 completely enter the inside of the first mounting plate 8 and the second mounting plate 9, and the installation effect of the fixing plate 3 is completed;

[0031] A cable duct 10 is provided at the upper end of the water tank 1, and a cable arrangement cavity 15 is provided inside the fixing plate 3. In the specific use process, the arrangement of the cable duct 10 and the cable arrangement cavity 15 allows the multiple cables 4 connected between the detection body 7 and the multiple detection electrodes 2 to be arranged as a whole, so as to prevent the cables 4 from being messy.

[0032] A mounting groove 11 for mounting the detection electrode 2 is provided on one side of the fixing plate 3, and the detection electrode 2 is mounted inside the mounting groove 11 through a plurality of limiting bolts 5;

[0033] In the specific use process, when the fixing plate 3 is taken out from the inside of the water tank 1, the limiting bolt 5 can be removed to complete the replacement and maintenance of the single detection electrode 2;

[0034] A tank cover 6 is installed at the upper end of the water tank 1, and the tank cover 6 is usually connected to the water tank 1 by fixing bolts.

[0035] The working principle provided by the utility model is as follows: the device is arranged to evenly mount multiple detection electrodes 2 in a vertical direction on a fixing plate 3, and this method enables the multiple detection electrodes 2 to be fixed;

[0036] When it is necessary to remove the multiple detection electrodes 2, the engaging block 13 can be pressed toward the inside of the limiting plate 12 close to the first mounting plate 8. When the engaging block 13 completely enters the inside of the limiting plate 12, the two limiting plates 12 can be taken out from the inside of the first mounting plate 8 and the second mounting plate 9, and the overall disassembly of the fixing plate 3 is completed, that is, the removal of the multiple detection electrodes 2 is completed.

[0037] Later, when the position of the fixing plate 3 needs to be reinstalled, the two limit plates 12 can be pushed toward the inside of the first mounting plate 8 and the second mounting plate 9 again. During this process, since one side edge of the locking block 13 is set in an arc shape, the locking block 13 will be squeezed by the first mounting plate 8 to re-enter the inside of the limit plate 12 close to the first mounting plate 8 until the two limit plates 12 are completely inside the first mounting plate 8 and the second mounting plate 9, completing the installation of the fixing plate 3.

[0038] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0039] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A water level detection device resistant to external interference, the device being arranged inside a water tank (1), characterized in that: The invention comprises a detection body (7), a fixing plate (3) and a plurality of detection electrodes (2), wherein the detection body (7) is mounted on one side of a water tank (1), the plurality of detection electrodes (2) are arranged inside the water tank (1), one side of the plurality of detection electrodes (2) are mounted on the fixing plate (3), the plurality of detection electrodes (2) are distributed at equal distances in a vertical direction, the fixing plate (3) is connected to the inner side wall of the water tank (1) via a connecting component, and the connecting component enables the fixing plate (3) to be separated from the fixing box and installed.

2. The water level detection device resistant to external interference according to claim 1 is characterized in that: The connection assembly comprises a first mounting plate (8), a second mounting plate (9) and two limit plates (12), the two limit plates (12) being fixedly arranged on opposite sides of the fixing plate (3), the first mounting plate (8) and the second mounting plate (9) being fixedly arranged on one side of the water tank (1), the adjacent sides of the first mounting plate (8) and the second mounting plate (9) being provided with sliding grooves, the two limit plates (12) being movably arranged in the sliding grooves, wherein a locking group is provided on one side of the limit plate (12) close to the first mounting plate (8).

3. The water level detection device resistant to external interference according to claim 2 is characterized in that: The engaging group comprises an engaging block (13) and a spring (14); one side of the engaging block (13) movably extends to the inside of a limiting plate (12) close to the first mounting plate (8); an edge of the engaging block (13) away from the limiting plate (12) is arranged in an arc shape; a side of the engaging block (13) close to the limiting plate (12) is fixedly connected to one end of the spring (14); and an end of the spring (14) away from the engaging plate is fixedly connected to an inner side wall of the limiting plate (12).

4. The water level detection device resistant to external interference according to claim 3 is characterized in that: A cable tray (10) is provided at the upper end of the water tank (1).

5. The water level detection device resistant to external interference according to claim 4 is characterized in that: A mounting groove (11) for mounting the detection electrode (2) is provided on one side of the fixing plate (3), and the detection electrode (2) is mounted inside the mounting groove (11) via a plurality of limiting bolts (5).

6. The water level detection device resistant to external interference according to claim 5, characterized in that: A wire management cavity (15) is provided inside the fixing plate (3).

7. The water level detection device resistant to external interference according to claim 6 is characterized in that: A tank cover (6) is installed at the upper end of the water tank (1).

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