Water level detection device for garden landscape pool

Abstract

The utility model relates to a garden landscape pool water level detection device, which comprises a cylindrical main body and a cylindrical hard filter screen, the filter screen is arranged on the outer side of the main body, the lower end of the main body is provided with a closed air pressure detection cavity coaxial with the main body, the air pressure detection cavity is filled with nitrogen, and the air pressure detection cavity is communicated with the main body. A diaphragm is arranged at the lower end in the air pressure detection cavity, an air pressure sensor is arranged at the upper end in the air pressure detection cavity, and the diaphragm can deform under the influence of water pressure; the device can effectively eliminate corresponding interference factors on water level measurement data of the landscape pool, is high in reliability of data detection in a complex landscape pool environment with poor water quality, and is simple in structure and low in cost.

Description

Technical Field

[0001] The utility model relates to the technical field of water level detection, in particular to a water level detection device for a garden landscape pool. Background Art

[0002] The water environment in landscape pools is relatively complex, generally containing a large number of animals, microorganisms, and debris, and the water quality is poor, which places high demands on water level detection.

[0003] In the prior art, when the water level of a garden landscape pool is detected using related technologies such as a float or a floating plate, it will be affected by microorganisms, scale and other attachments, which will increase the weight of the float or the floating plate and thus affect the buoyancy of the float, and the attachments will block the up and down floating channels of the float or the floating plate and affect the detection results; when using a water level probe and its supporting water level detection circuit, due to the poor water quality of the garden landscape pool, the water level probe will also face the situation where the attachments affect the detection results; when using a pressure sensor and its supporting integrated circuit, in addition to facing a complex water environment, it also faces the problem of high cost. Utility Model Content

[0004] The purpose of the utility model is to provide a garden landscape pool water level detection device for solving the above problems existing in the prior art.

[0005] In order to solve the above problems, the utility model provides a garden landscape pool water level detection device, including a cylindrical main body and a cylindrical hard filter screen, the filter screen is arranged on the outside of the main body, the lower end of the main body is provided with a closed air pressure detection chamber coaxial with the main body, the air pressure detection chamber is filled with nitrogen, the lower end of the air pressure detection chamber is provided with a diaphragm, the upper end of the air pressure detection chamber is provided with an air pressure sensor, and the diaphragm will be deformed by the water pressure.

[0006] The garden landscape pool water level detection device provided by the utility model also has the following technical features:

[0007] Furthermore, a sleeve is provided at the lower end of the main body, the sleeve is fixedly mounted on the main body by threads, the diaphragm is fixedly arranged at the upper end of the sleeve by colloid, and after the sleeve is installed in place, it cooperates with the main body to clamp and fix the diaphragm.

[0008] Furthermore, a circuit cavity coaxial with the main body is provided at the upper end of the air pressure detection cavity, a sensor mounting seat is fixedly installed at the lower end of the circuit cavity, a sealing plug is installed at the upper end of the circuit cavity, and the air pressure sensor is fixedly installed on the sensor mounting seat.

[0009] Furthermore, a temperature sensor is also provided on the sensor mounting base for detecting whether the garden landscape pool has reached a freezing temperature.

[0010] Furthermore, a plurality of backwash water pipes are fixedly provided on the upper end of the main body, and the water outlets of the backwash water pipes are located between the main body and the filter screen.

[0011] Furthermore, a valve core is provided on the side wall of the air pressure detection cavity, which is used to inject nitrogen into the air pressure detection cavity.

[0012] Furthermore, it also includes a base, which includes a base substrate, a base support and a base top frame. The main body is installed on the base top frame through threads, and the filter is fixedly connected to the base substrate.

[0013] Furthermore, the filter holes arranged at the lower end of the filter screen side wall on the periphery of the base substrate are denser than the filter holes arranged at other positions on the filter screen side wall.

[0014] The utility model has the following beneficial effects: when the garden landscape pool water level detection device of the utility model is used to detect the water level of the landscape pool, the air pressure detection chamber will not affect the detection data due to factors such as scale and microorganisms attached when the water quality of the garden landscape pool is poor, and the filter screen can also eliminate the influence of large debris or organisms such as fish, effectively eliminating the corresponding interference factors on the landscape pool water level measurement data, and the reliability of data detection is high in a complex landscape pool environment with poor water quality, and the structure is simple and the cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model, and a schematic diagram of the explosion and decomposition of the overall structure;

[0016] Figure 2 It is an axial cross-sectional view of the overall structural schematic diagram of the utility model, and an axial cross-sectional view of the overall structural explosion schematic diagram;

[0017] Figure 3 It is a structural schematic diagram of the sensor mounting seat, sleeve and base of the utility model;

[0018] Figure 4 for Figure 2 Detailed view of point A in the middle;

[0019] Figure 5 for Figure 2 Detail of point B in the middle. DETAILED DESCRIPTION

[0020] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0021] like Figures 1 to 5In the embodiment of the garden landscape pool water level detection device of the utility model shown in the figure, the garden landscape pool water level detection device includes a main body 10 and a filter 20, the main body 10 and the filter 20 are both cylindrical, the filter 20 is arranged outside the main body 10, the upper end of the filter 20 is flush with the upper end of the main body 10, the filter 20 is connected to the top plate 103 provided at the upper end of the main body 10, and the diameter of the top plate 103 is larger than the diameter of the main body 10 (such as Figure 1 As shown), the diameter of the top plate 103 is consistent with the diameter of the inner wall of the filter screen 20; the filter screen 20 adopts a hard filter screen with a larger filtering aperture, which can filter the fallen leaves, garbage and other debris in the landscape pool, and can also prevent large creatures such as fish from entering, and will not affect the water pressure between the filter screen 20 and the main body 10; the lower end of the main body 10 is provided with an air pressure detection chamber 101 coaxial with the main body 10, and the interior of the air pressure detection chamber 101 is in a closed state. The air pressure detection chamber 101 is filled with nitrogen or other inert gases to prevent the gas from changing when the temperature changes. Thermal expansion and contraction have a great influence on the air pressure in the air pressure detection chamber 101; the air pressure detection chamber 101 includes a diaphragm 11 on the lower side and an air pressure sensor 12 on the upper side, and the diaphragm 11 is made of soft elastic material; the diaphragm 11 is used to convert water pressure into air pressure, that is, the diaphragm 11 is deformed under the influence of water pressure, thereby squeezing the filling gas inside the air pressure detection chamber 101 to generate a certain air pressure value, and the air pressure sensor 12 completes the water level measurement of the landscape pool by collecting the air pressure value and converting it into water depth data according to the corresponding data.

[0022] When the garden landscape pool water level detection device of the utility model adopts the above-mentioned structure to detect the water level of the landscape pool, the diaphragm 12 is only affected by the water pressure at the location, and the detection data will not be affected by factors such as scale and microorganisms attached when the water quality is poor. The filter 20 can also eliminate the buoyancy generated by larger debris or the influence of organisms such as fish on the diaphragm 11, effectively eliminating the corresponding interference factors on the landscape pool water level measurement data. The reliability of data detection is high in a complex landscape pool environment with poor water quality, and the structure is simple and the cost is low.

[0023] In one embodiment of the present application, preferably, Figures 1 to 5 As shown, a sleeve 111 is provided at the lower end of the main body 10, and the sleeve 111 is fixedly installed on the main body 10 by means of threads. An external thread is provided at the upper end of the sleeve 111, and an internal thread is provided at the lower end of the main body 10. The center of the sleeve 111 is hollow; the diaphragm 11 is fixedly arranged on the end face of the upper end of the sleeve 111 by means of colloid. After the sleeve 111 is installed in place by means of threads, it will cooperate with the main body 10 to clamp and fix the diaphragm 11, so that the diaphragm 11 will not be displaced when it is deformed by water pressure, and it is also convenient for maintenance of the equipment.

[0024] In one embodiment of the present application, preferably, Figures 1 to 5As shown, a circuit cavity 102 coaxial with the main body 10 is provided at the upper end of the air pressure detection cavity 101, and the air pressure detection cavity 101 and the circuit cavity 102 run through the interior of the main body 10 together. A sensor mounting seat 121 is fixedly installed at the lower end of the circuit cavity 102 (i.e., the upper end of the air pressure detection cavity 101), and the air pressure sensor 12 is fixedly installed on the sensor mounting seat 121; the sensor mounting seat 121 is made of hard material and adapted to threads and sealing gaskets, so that the sensor mounting seat 121 is fixedly installed at the lower end of the circuit cavity 102, that is, an external thread is provided at the upper end of the sensor mounting seat 121, an internal thread is provided at the lower end of the circuit cavity 102, and a sealing gasket is provided at the lower end of the external thread of the sensor mounting seat 121; the hard material will not affect the accuracy of the detection data when the air pressure changes; a sealing plug 122 is installed at the upper end of the circuit cavity 102, and the sealing plug 122 is penetrated by the circuit of the corresponding sensor, and the sealing plug 122 is used to prevent water from entering the circuit cavity 102.

[0025] In one embodiment of the present application, preferably, Figures 3 to 5 As shown, a temperature sensor 13 is also provided on the sensor mounting base 121. The temperature sensor 13 is used to detect ice formation in the landscape pool when the ambient temperature is below zero degrees. When ice formation occurs, the operation of the device can be suspended.

[0026] In one embodiment of the present application, preferably, Figure 1 , Figure 2 As shown, a plurality of backwash water pipes 14 are fixedly provided at the upper end of the main body 10, and the water outlets of the backwash water pipes 14 are fixedly arranged at the lower end of the top plate 103 between the main body 10 and the filter screen 20, that is, the backwash water pipes 14 are penetrated through the top plate 103; when a lot of debris is accumulated on the outer wall of the filter screen 20, or a lot of debris is deposited between the filter screen 20 and the main body 10, the backwash water pipes 14 can be opened to provide water flow, and the water flow flows between the filter screen 20 and the main body 10, and backwashes the filter holes of the filter screen 20 to achieve a cleaning effect.

[0027] In one embodiment of the present application, preferably, Figure 4 , Figure 5 As shown, a valve core 15 is provided on the side wall of the air pressure detection chamber 101. The valve core 15 is used to flush nitrogen into the air pressure detection chamber 101 and exhaust air when the air pressure detection chamber 101 forms a closed environment after the sensor mounting seat 121 and the sleeve 111 are installed in place, so as to avoid the influence of thermal expansion and contraction of the air on the air pressure in the air pressure detection chamber 101.

[0028] In one embodiment of the present application, preferably, Figures 1 to 5 As shown, the base 30 is also included. The base 30 includes a base base 31, a base support 32 and a base top frame 33 that are fixedly connected. The bottom plate 311 (such as Figure 3The bottom plate 311 is fixedly connected to the filter screen 20 by means of welding. The bottom plate 311 has a diameter larger than the diameter of other parts of the base 30. The space between the bottom plate 311, the base base 31 and the filter screen 20 can be used to accumulate debris and sludge, which can avoid excessive influence of debris and sludge on water pressure. The upper end of the base base 31 is inclined (in this embodiment, it is a dome), which can reduce the accumulation of debris. The base support 32 is used to connect the base base 31 with the base top frame 33 and support the base top frame 33. The number of the base support 32 is greater than three, and the space between the base support 32 can avoid affecting the water pressure. The base top frame 33 is used to be fixedly connected to the main body 10 by threads. Specifically, the lower end of the main body 10 is provided with an external thread, and the base top frame 33 is provided with an external thread. The diameter of the base 30 is larger than the main body 10, and the outer side of the upper end of the base top frame 33 is set to be inclined downward along the axial direction (set to a truncated cone in this embodiment), which can prevent the accumulation of debris.

[0029] In one embodiment of the present application, preferably, Figure 1 , Figure 2 , Figure 4 As shown, the filter holes arranged at the lower end of the side wall of the filter 20 on the periphery of the base substrate 31 are denser than the filter holes arranged at other parts of the side wall of the filter 20, so that the debris and silt accumulated in the space between the bottom plate 311, the base substrate 31 and the filter 20 can be more conveniently discharged from the filter holes when the backwash water pipe 14 provides backwash water flow.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A water level detection device for a garden landscape pool, It is characterized in that The invention comprises a cylindrical main body (10) and a cylindrical hard filter (20), wherein the filter (20) is arranged on the outside of the main body (10), and a closed air pressure detection chamber (101) coaxial with the main body (10) is arranged at the lower end of the main body (10), and the air pressure detection chamber (101) is filled with nitrogen, and a diaphragm (11) is arranged at the lower end of the air pressure detection chamber (101), and an air pressure sensor (12) is arranged at the upper end of the air pressure detection chamber (101), and the diaphragm (11) will be deformed by the water pressure.

2. The garden landscape pool water level detection device according to claim 1, It is characterized in that A sleeve (111) is provided at the lower end of the main body (10), and the sleeve (111) is fixedly mounted on the main body (10) by means of threads. The diaphragm (111) is fixedly mounted on the upper end of the sleeve (111) by means of colloid. After the sleeve (111) is installed in place, it cooperates with the main body (10) to clamp and fix the diaphragm (111).

3. The garden landscape pool water level detection device according to claim 1, It is characterized in that A circuit cavity (102) coaxial with the main body (10) is provided at the upper end of the air pressure detection cavity (101); a sensor mounting seat (121) is fixedly mounted at the lower end of the circuit cavity (102); a sealing plug (122) is installed at the upper end of the circuit cavity (102); and the air pressure sensor (12) is fixedly mounted on the sensor mounting seat (121).

4. The garden landscape pool water level detection device according to claim 3, It is characterized in that The sensor mounting seat (121) is also provided with a temperature sensor (13) for detecting whether the garden landscape pool has reached a freezing temperature.

5. The garden landscape pool water level detection device according to claim 1, It is characterized in that A plurality of backwash water pipes (14) are fixedly provided on the upper end of the main body (10), and the water outlets of the backwash water pipes (14) are located between the main body (10) and the filter screen (20).

6. The garden landscape pool water level detection device according to claim 1, It is characterized in that A valve core (15) is provided on the side wall of the air pressure detection chamber (101) for flushing nitrogen into the air pressure detection chamber (101).

7. The garden landscape pool water level detection device according to claim 1, It is characterized in that The invention also comprises a base (30), wherein the base (30) comprises a base substrate (31), a base support (32) and a base top frame (33), wherein the main body (10) is mounted on the base top frame (33) by means of threads, and the filter screen (20) is fixedly connected to the base substrate (31).

8. The garden landscape pool water level detection device according to claim 7, It is characterized in that The filter holes arranged at the lower end of the side wall of the filter screen (20) on the periphery of the base substrate (31) are denser than the filter holes arranged at other locations on the side wall of the filter screen (20).

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