CN220405002U - Backwash device with automatic switching function - Google Patents

Abstract

The utility model discloses a backwashing device with an automatic switching function, which comprises a water inlet pipe, wherein a plurality of first connecting pipes are arranged on the surface of the rear side of the water inlet pipe, electric two-position three-way valves are arranged on the first connecting pipes, the rear ends of the first connecting pipes are connected with a filtering device, second connecting pipes are arranged at the lower ends of the electric two-position three-way valves, sewage pipes are arranged at the lower ends of the second connecting pipes, drain pipes are arranged at the lower ends of the filtering device through pipelines, and detection assemblies are arranged at the surfaces of the water inlet pipe and the drain pipes. According to the utility model, the detection assembly is arranged, the pressure sensor I and the pressure sensor II in the detection assembly respectively detect the internal pressure of the water inlet pipe and the internal pressure of the water outlet pipe, when the pressure difference between the two pressure sensors exceeds a set value, the pressure difference sensor controls the lower end of the electric two-position three-way valve to be conducted, so that a part of drinking water is discharged from the sewage outlet pipe, meanwhile, negative pressure is generated in the connecting pipe I, and part of drinking water and dirty particles in the filtering device flow back to the sewage outlet pipe to be discharged.

Description

Backwash device with automatic switching function

Technical Field

The utility model relates to the technical field of backwashing devices, in particular to a backwashing device with an automatic switching function.

Background

The back flushing device is a device for filtering the drinking water, the drinking water enters the back flushing assembly through the water inlet of the back flushing assembly to filter the drinking water, and the filtered drinking water is discharged.

At present, when the filter in the back flushing device is used for filtering drinking water, when the turbidity of part of the drinking water is higher, dirty particles in the drinking water can be condensed on the surface of a filter screen in the filter, the filter screen and the dirty particles can generate certain impedance to the drinking water, so that the normal flow of the drinking water from the filter is influenced, the filter is required to be replaced frequently, the normal service life of the filter is influenced, and the back flushing device with the automatic switching function is provided for improving the conditions.

Disclosure of Invention

The utility model aims to provide a backwashing device with an automatic switching function, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a backwash device who possesses automatic switching function, includes the inlet tube, inlet tube rear side surface mounting has a plurality of connecting pipe one, all install electronic two tee bend valves on the connecting pipe one, connecting pipe one rear end all is connected with filter equipment, electronic two tee bend valve lower extreme all installs the connecting pipe two, the blow off pipe is installed jointly to connecting pipe two lower extreme, the drain pipe is installed jointly to filter equipment lower extreme through the pipeline, the detection component is installed jointly to inlet tube and drain pipe surface, the stay tube is installed through solid fixed ring to inlet tube and drain pipe surface, the stabilizer blade is installed to the stay tube lower extreme.

Preferably, the detection assembly comprises a first pressure sensor, a second pressure sensor, a pressure difference sensor and a controller, wherein the first pressure sensor is arranged on the surface of the water inlet pipe, the pressure difference sensor is arranged on the surface of the water inlet pipe on one side of the first pressure sensor, the controller is arranged on the surface of the water inlet pipe on one side of the pressure difference sensor, and the second pressure sensor is arranged on the surface of the water outlet pipe.

Preferably, a filter screen is arranged inside the filter device.

Preferably, the two ends of the water inlet pipe, the sewage drain pipe and the water drain pipe are provided with connecting rings, and the connecting rings are provided with connecting holes.

Preferably, a third connecting pipe is arranged below the surface of the water inlet pipe, a manual valve is arranged on the third connecting pipe, and a booster pump is arranged at one end of the third connecting pipe.

Preferably, a timing module is arranged inside the controller.

Compared with the prior art, the utility model has the beneficial effects that:

this possess back flush device of automatic switching function, through setting up the detection component, the inside drinking water pressure of inlet tube is detected to pressure sensor in the detection component, pressure sensor two detects drain pipe internal pressure, when pressure sensor one and pressure sensor two pressure sensor when the pressure differential surpassed the setting value, indicate that filter equipment is inside to produce the jam, pressure sensor passes through the lower extreme timing switch-on of electronic two tee bend valves of controller control, make a part drinking water blow off pipe discharge, realize automatic switching function, the inside negative pressure that produces of connecting pipe one makes the inside part drinking water and dirty particle backward flow of entering into filter equipment to the blow off pipe discharge simultaneously, effectively prolong filter's life.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a right side view block diagram of the present utility model;

fig. 3 is a schematic view of a partial structure of the present utility model.

In the figure: 1. a water inlet pipe; 2. a first connecting pipe; 3. electric two-position three-way valve; 4. a filtering device; 5. a second connecting pipe; 6. a blow-down pipe; 7. a drain pipe; 9. a support tube; 11. a connecting ring; 12. a third connecting pipe; 13. a manual valve; 14. a booster pump; 801. a first pressure sensor; 802. a second pressure sensor; 803. a differential pressure sensor; 804. and a controller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 3, the backwash device with an automatic switching function in this embodiment includes a water inlet pipe 1, the water inlet pipe 1 is connected with an external drinking water pipe, a plurality of first connecting pipes 2 are installed on the surface of the rear side of the water inlet pipe 1, electric two-position three-way valves 3 are installed on the first connecting pipes 2, the rear end of the first connecting pipes 2 is connected with a filtering device 4, a filter screen is installed inside the filtering device 4, the filter screen is used for filtering drinking water, a second connecting pipe 5 is installed on the lower end of the electric two-position three-way valves 3, a drain pipe 6 is installed on the lower end of the second connecting pipe 5 jointly, the drain pipe 6 is used for discharging sewage, a drain pipe 7 is installed on the lower end of the filtering device 4 jointly through a pipeline, during normal operation, drinking water inside the water inlet pipe 1 enters the inside the filtering device 4 through the first connecting pipes 2 and is discharged from the drain pipe 7, a detection component is installed on the surfaces of the water inlet pipe 1 and the drain pipe 7 jointly, the detection component is used for detecting the pressure of drinking water inside the water inlet pipe 1 and the drain pipe 7, a support pipe 9 is installed on the surface of the water through a fixed ring, the support pipe 9 is used for flushing the backwash device, and the support leg is installed on the lower end of the support pipe 9.

Specifically, the detection component comprises a first pressure sensor 801, a second pressure sensor 802, a differential pressure sensor 803 and a controller 804, wherein the first pressure sensor 801 is installed on the surface of the water inlet pipe 1, the differential pressure sensor 803 is installed on the surface of the water inlet pipe 1 on one side of the first pressure sensor 801, the controller 804 is installed on the surface of the water inlet pipe 1 on one side of the differential pressure sensor 803, the second pressure sensor 802 is installed on the surface of the water outlet pipe 7, the pressure of drinking water in the water inlet pipe 1 is detected by the first pressure sensor 801, the pressure of the water in the water outlet pipe 7 is detected by the second pressure sensor 802, when no blockage occurs, the pressure values of the first pressure sensor 801 and the second pressure sensor 802 are the same, when the differential pressure between the first pressure sensor 801 and the second pressure sensor 802 exceeds a certain value, the internal filter screen of the filter device 4 is indicated to be blocked, the differential pressure sensor 803 controls the lower end of the electric two-position three-way valve 3 to be conducted through the controller 804, so that a part of the filter screen is discharged from the sewage pipe 6, and simultaneously negative pressure is generated in the inside the connecting pipe 2, so that water entering the filter screen of the filter device 4 is refluxed, and part of the drinking water entering the filter 4 is discharged to the sewage drain the sewage, and the fine particles are refluxed to the sewage drain the sewage, the service life of the sewage is effectively prolonged.

Further, the filter device 4 is internally provided with a filter screen, dirty particles in the drinking water are filtered by the filter screen in the filter device 4, the dirty particles are adsorbed on the surface of the filter screen, and when negative pressure backflow is carried out, the drinking water can wash down the dirty particles on the filter screen and is discharged from the sewage discharge pipe 6.

Furthermore, the two ends of the water inlet pipe 1, the sewage drain pipe 6 and the water drain pipe 7 are provided with connecting rings 11, the connecting rings 11 are provided with connecting holes, and the connecting rings 11 are convenient for connecting the pipeline with the external corresponding pipeline.

Furthermore, a third connecting pipe 12 is arranged below the surface of the water inlet pipe 1, a manual valve 13 is arranged on the third connecting pipe 12, a booster pump 14 is arranged at one end of the third connecting pipe 12, and the fluidity of drinking water in the water inlet pipe 1 can be increased by opening the manual valve 13 and controlling the booster pump 14 to start.

Further, a timing module is arranged in the controller 804, and after the lower end of the electric two-position three-way valve 3 is conducted, sewage with higher turbidity is discharged from the sewage discharge pipe 6, and the timing module controls the lower end of the electric two-position three-way valve 3 to be closed at fixed time, so that an automatic switching function is realized.

The application method of the embodiment is as follows: when the electric device is used, each electric appliance is connected with a power supply, and when the electric device works normally, firstly external drinking water enters the water inlet pipe 1 through a pipeline, the drinking water enters the filter device 4 through the first connecting pipe 2 and the electric two-position three-way valve 3 to be filtered, the filtered drinking water is discharged from the inside of the water outlet pipe 7, meanwhile, the first pressure sensor 801 detects the pressure of the drinking water in the water inlet pipe 1, the second pressure sensor 802 detects the pressure of the drinking water in the water outlet pipe 7, when no blockage occurs, the pressures of the first pressure sensor 801 and the second pressure sensor 802 are approximately the same, when the pressure difference between the first pressure sensor 801 and the second pressure sensor 802 exceeds a certain value, the internal filter screen of the filter device 4 is indicated to be blocked, the pressure difference sensor 803 controls the lower end of the electric two-position three-way valve 3 to be conducted through the controller 804, a part of the water is discharged from the sewage outlet pipe 6, meanwhile, negative pressure is generated in the first connecting pipe 2, the water entering the inside the filter device 4 is refluxed, dirty particles and part of the surface of the filter screen of the filter device 4 are refluxed to the sewage outlet pipe 6, and a timing module in the controller 804 controls the lower end of the electric two-position three-way valve 3 to be closed, and the electric two-position three-way valve 3 is closed, and the electric three-way valve is normally closed.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a backwash device that possesses automatic switching function, includes inlet tube (1), its characterized in that: the utility model discloses a sewage treatment device for the sewage treatment device, including inlet tube (1), connecting pipe, filtering device, inlet tube (1), drain pipe (7) are installed jointly to inlet tube (1) rear side surface mounting has a plurality of connecting pipe one (2), all install electronic two tee bend valves (3) on connecting pipe one (2), connecting pipe one (2) rear end all is connected with filter equipment (4), electronic two tee bend valves (3) lower extreme all installs connecting pipe two (5), drain pipe (6) are installed jointly to connecting pipe two (5) lower extreme, drain pipe (7) are installed jointly to filter equipment (4) lower extreme through the pipeline, detection component is installed jointly to inlet tube (1) and drain pipe (7) surface, stay tube (9) are installed through solid fixed ring to inlet tube (1) and drain pipe (7) surface, the stabilizer blade is installed to stay tube (9) lower extreme.

2. The backwash device with an automatic switching function according to claim 1, wherein: the detection assembly comprises a first pressure sensor (801), a second pressure sensor (802), a pressure difference sensor (803) and a controller (804), wherein the first pressure sensor (801) is arranged on the surface of the water inlet pipe (1), the pressure difference sensor (803) is arranged on the surface of the water inlet pipe (1) on one side of the first pressure sensor (801), the controller (804) is arranged on the surface of the water inlet pipe (1) on one side of the pressure difference sensor (803), and the second pressure sensor (802) is arranged on the surface of the water outlet pipe (7).

3. The backwash device with an automatic switching function according to claim 1, wherein: a filter screen is arranged in the filter device (4).

4. The backwash device with an automatic switching function according to claim 1, wherein: the two ends of the water inlet pipe (1), the sewage discharge pipe (6) and the water discharge pipe (7) are provided with connecting rings (11), and the connecting rings (11) are provided with connecting holes.

5. The backwash device with an automatic switching function according to claim 2, wherein: and a third connecting pipe (12) is arranged below the surface of the water inlet pipe (1), a manual valve (13) is arranged on the third connecting pipe (12), and a booster pump (14) is arranged at one end of the third connecting pipe (12).

6. The backwash device with an automatic switching function according to claim 2, wherein: the controller (804) is internally provided with a timing module.