High-efficiency filter with backwashing function

Abstract

The invention relates to the technical field of high-efficiency filters, in particular to a high-efficiency filter with a backwashing function, which comprises a filter shell, a backwashing device is arranged on the surface of the filter shell, and an inner filtering device is arranged at the inner bottom end of the filter shell. According to the efficient filter with the backwashing function, the kinetic energy recovery assembly is arranged, backwashing water enters the annular base through a drainage pipe, the impact force of the backwashing water can push and extrude a sliding plate to slide in the annular base, energy is generated through the impact force or the pressure difference of water flow, and power generation treatment can be conducted; meanwhile, a valve can be opened, so that one half of backwashing water flows out through a drainage pipe, and the other half of backwashing water is sprayed into the filter shell through a water outlet spray head; the device is internally provided with an assembly for applying the kinetic energy of the back-flushing water, so that the device is convenient to use.

Description

Technical Field

[0001] The invention relates to the technical field of high-efficiency filters, in particular to a high-efficiency filter with a backwashing function. Background Art

[0002] Fiber filters are commonly used equipment in the field of industrial water treatment. They absorb and intercept suspended matter in water through fiber filter media. There are many types of fiber filters, such as comet fiber filter media, fiber ball filter and self-pressurized fiber filter. Existing fiber filters generally include a tank body, which is provided with a water inlet, a water outlet, etc., and a filter screen, filter media, etc. inside the tank body.

[0003] The prior art discloses a high-efficiency filter with a backwashing function with a publication number of CN214634495U, which comprises a filter cartridge seat, a filter cartridge is arranged on the filter cartridge seat, a raw water inlet pipe and a sewage discharge pipe are arranged at the bottom of the filter cartridge, a net outlet pipe is arranged at the upper end of the filter cartridge, at least two groups of fiber filter plates are arranged inside the filter cartridge, and a flushing water inlet pipe mechanism and a flushing water outlet pipe mechanism are arranged on both sides of the filter cartridge, the flushing water inlet pipe mechanism can flush impurities on the bottom surface of the fiber filter plate, and the impurities dropped between adjacent fiber filter plates are discharged to the outside of the filter cartridge through the flushing water outlet pipe mechanism. The present technical solution is used to solve the problems in the prior art that the fiber filter adopts the method of filtering by stacking filter materials, which leads to complex filter structure, poor filtering effect, incomplete filter material cleaning, time-consuming and labor-intensive filter material replacement and heavy equipment weight. The coordinated use of the backwashing water inlet pipe mechanism and the backwashing drain pipe mechanism can realize the flushing of impurities on the fiber filter plate inside the filter cartridge and discharge them to the outside of the filter cartridge, thereby improving the utilization rate of the filter material in the filter, enabling the filter material to be reused, saving costs and simplifying the filter material cleaning process.

[0004] The fiber filter plates arranged up and down inside the above-mentioned high-efficiency filter can realize graded filtration of sewage, and have the advantages of high filtration efficiency, simple filtration process, long effective filtration period and simple maintenance. However, the above-mentioned high-efficiency filter does not have integrated water quality monitoring sensors at the inlet and outlet to monitor the water quality of the incoming water, and there is no component inside to utilize the kinetic energy of the backwash water, and the practicality is poor. Therefore, it is very necessary to design a high-efficiency filter with a backwash function that is highly practical. Summary of the invention

[0005] The object of the present invention is to provide a high-efficiency filter with a backwashing function to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a high-efficiency filter with a backwashing function, comprising a filter housing, a backwashing device is arranged on the surface of the filter housing, a detection device is arranged inside the filter housing, a water inlet end pipe is arranged on the front side of the filter housing, and an internal filtering device is arranged at the bottom end of the interior of the filter housing.

[0007] The recoil device comprises a recoil component and a kinetic energy recovery component. The recoil component is connected to the side of the filter housing, and the kinetic energy recovery component is arranged at the inner center of the filter housing.

[0008] The kinetic energy recovery component includes an inner hollow box body, a drainage pipe, an annular baffle, a connecting plate, a stepper motor, a circular baffle, a connecting plate, a rotating shaft, a diversion water pipe, a drainage pressure relief pipe and an extrusion sliding plate. The inner hollow box body is fixedly connected to the inner right side of the filter housing, the drainage pipe is fixedly connected to the front bottom of the inner hollow box body, an annular seat is arranged inside the filter housing, the annular baffle is connected to the top of the annular seat, the connecting plate is fixedly connected to the inner right side of the annular seat, the stepper motor is fixedly connected to the top of the connecting plate, the connecting plate is fixedly connected to the inner right top of the annular seat, the rotating shaft is fixedly connected to the output shaft of the stepper motor, the top of the connecting plate is fixedly connected with a bearing member, the rotating shaft is fixedly connected to the inner ring of the bearing member, the connecting plate is fixedly connected to the surface center of the rotating shaft, the circular baffle is fixedly connected to the right side of the connecting plate, and the diversion water pipe is fixedly connected to the left side of the inner hollow box body.

[0009] Preferably, the backwash component includes a backwash water inlet pipe, a control valve, a filter box, a water inlet pipe fitting, a backwash drainage pipe, a diversion outlet pipe and a water outlet nozzle, the backwash water inlet pipe is fixedly connected to the right side of the filter housing, the control valve is connected to the surface of the backwash water inlet pipe, the filter box is fixedly connected to the bottom of the backwash water inlet pipe, the water inlet pipe fitting is fixedly connected to the right side of the filter box, and the backwash drainage pipe is fixedly connected to the left side of the filter housing. When in use, the valve can be opened to allow half of the backwash water to flow out through the drainage pipe and the other half to be sprayed into the interior of the filter housing through the water outlet nozzle, so that the device is internally provided with a component for utilizing the kinetic energy of the backwash water, the diversion outlet pipe is fixedly connected to the left side of the inner hollow box body, and the water outlet nozzle is fixedly connected to the left side of the diversion outlet pipe.

[0010] Preferably, the detection device includes a placing ring, a placing ring plate, a bearing plate, a water inlet part, a water quality sensor, a placing rack, a micro image recognition sensor and a detection head, the placing ring is fixedly connected to the inner wall of the filter housing, the placing ring plate is fixedly connected to the bottom of the placing ring, the bearing plate is fixedly connected to the front of the placing ring plate, the water inlet part is fixedly connected to the front of the bearing plate, the water inlet part is aligned with the water inlet end pipe, the inner diameter of the water inlet part is matched with the inner diameter of the water inlet end pipe, the water quality sensor is fixedly connected to the inside of the water inlet part, the placing rack is fixedly connected to the top of the water inlet part, the micro image recognition sensor is connected to the inside of the placing rack, and the inner ring of the placing ring plate is provided with an electricity storage device.

[0011] Preferably, the internal filtering device includes a filter mesh plate, a connecting column, a socket and a buffer connecting pad, the filter mesh plate is connected to the inside of the filter housing near the bottom, the connecting column is connected to the bottom front of the filter mesh plate, and the socket is connected to the top of the filter mesh plate at the lower end, and the connecting column is plugged into the inside of the socket.

[0012] Preferably, the bottom end of the micro-image recognition sensor extends through the top right side of the water inlet and is connected to the inside of the water inlet. The detection head is fixedly connected to the bottom of the micro-image recognition sensor. The water quality sensor includes detection of suspended matter concentration, turbidity, pH value, and dissolved oxygen. The sensor can monitor the operating status of the filter in real time, including water flow rate, pressure changes and water quality conditions. When signs of blockage such as a significant decrease in water quality or an increase in pressure are detected, the backwash procedure is immediately started. The detection device and the kinetic energy recovery component are used in combination. The detection device is used to detect water quality conditions. When a problem occurs, the backwash component will be started, and the kinetic energy recovery component will generate kinetic energy so that the detection device can be used stably.

[0013] Preferably, the buffer connection pad is fixedly connected to the top of the filter screen plate at the lower end, the buffer connection pad passes through the interior of the socket, and the bottom of the connecting column is connected to the top of the buffer connection pad.

[0014] Preferably, a circular water inlet hole is opened on the top of the annular baffle, and the area of ​​the circular baffle is larger than the area of ​​the water inlet hole. The position of the circular baffle must be adjusted first to prevent the circular baffle from blocking the water inlet hole for water intake. By starting the internal stepper motor to drive the connecting plate to rotate, the circular baffle can be driven to move, leaking out the water inlet hole. The setting of the water inlet hole can allow water to flow into the annular seat.

[0015] Preferably, the extrusion sliding plate is slidably connected to the inside of the annular seat, and the drainage and pressure relief pipe is fixedly connected to the inner wall of the annular seat near the back side. After water enters, the drainage and pressure relief pipe and the extrusion sliding plate generate kinetic energy that can be recycled.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The high-efficiency filter with backwashing function is provided with a kinetic energy recovery component. The backwash water enters the interior of the annular seat through the drainage pipe. The impact force of the backwash water entering can push the extrusion sliding plate to slide inside the annular seat. The impact force of the water flow or the pressure difference generates energy, which can be used for power generation and storage in the power storage device placed inside the ring plate. The electricity is used to power the water quality sensor and the micro image recognition sensor. At the same time, the valve can be opened to allow half of the backwash water to flow out through the drainage pipe and the other half to be sprayed into the interior of the filter housing through the water outlet nozzle, so that the device is internally provided with a component for utilizing the kinetic energy of the backwash water, which is convenient to use.

[0017] 2. The high-efficiency filter with backwashing function is provided with a detection device. The water quality sensor includes detection of suspended matter concentration, turbidity, pH value, and dissolved oxygen. The sensor can monitor the operating status of the filter in real time, including water flow rate, pressure change and water quality. When signs of blockage such as a significant decrease in water quality or an increase in pressure are detected, the backwashing program is immediately started. The water quality sensor and the micro-image recognition sensor are arranged inside the placement ring aligned with the water inlet end pipe to detect the incoming water. When the water quality is detected to be poor, the backwashing device needs to be used to backwash the inside of the filter housing, so that the high-efficiency filter integrates water quality monitoring sensors at the inlet and outlet, which can monitor the quality of the incoming water and ensure that the incoming water meets the use requirements.

[0018] 3. The high-efficiency filter with backwashing function is provided with an internal filtering device. Water will pass through the filter screen plates. The filter screen plates are connected by connecting columns, sockets and buffer connection pads. When impacted internally, they buffer each other, thereby increasing the service life of the device.

[0019] 4. The high-efficiency filter with backwashing function is provided with a backwashing device, and uses the backwashing water inlet pipe to perform the backwashing water inlet operation. Before the backwashing water enters, it will first pass through the filter box, and then enter the interior of the filter housing after filtration to prevent impurities from entering. The opening and closing of the control valve control device can be used to control water according to demand, and the water intake volume can be conveniently controlled. The backwashing drainage pipe on the left is used to discharge the backwash water. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative labor.

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional front view structure of the present invention; Figure 2 It is a schematic diagram of the internal structure of the upper half of the three-dimensional front view of the present invention; Figure 3 For the present invention Figure 2 The enlarged structural diagram at A in the middle; Figure 4 For the present invention Figure 2 The enlarged structural diagram at B in the middle; Figure 5 It is a schematic diagram of the internal structure of the upper half of the present invention; Figure 6 For the present invention Figure 5 The enlarged structural diagram at C in the middle; Figure 7 It is a schematic diagram of the internal structure of the lower half of the three-dimensional front view of the present invention; Figure 8 For the present invention Figure 7 Enlarged structural diagram at D in the middle.

[0022] In the figure: 1, filter housing; 2, backwash device; 201, backwash water inlet pipe; 202, control valve; 203, filter box; 204, water inlet pipe; 205, backwash drainage pipe; 206, inner hollow box; 207, drainage pipe; 208, annular baffle; 209, diversion outlet pipe; 210, water outlet nozzle; 211, valve; 212, connecting plate; 213, stepping motor; 214, circular baffle; 215, connecting plate; 216, connecting plate; 217, rotary Moving shaft; 218, diversion pipe; 219, drainage pressure relief pipe; 220, extrusion sliding plate; 3, detection device; 301, placement ring; 302, placement ring plate; 303, bearing plate; 304, water inlet; 305, water quality sensor; 306, placement rack; 307, micro image recognition sensor; 308, detection head; 4, water inlet end pipe; 5, internal filtering device; 501, filter screen; 502, connecting column; 503, socket; 504, buffer connection pad. DETAILED DESCRIPTION

[0023] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] See also Figure 1-8 , the present invention provides the following technical solutions: A high-efficiency filter with backwashing function comprises a filter housing 1, a backwashing device 2 is arranged on the surface of the filter housing 1, a detection device 3 is arranged inside the filter housing 1, a water inlet end pipe 4 is arranged on the front of the filter housing 1, and an internal filtering device 5 is arranged at the bottom end of the filter housing 1.

[0026] The recoil device 2 includes a recoil assembly and a kinetic energy recovery assembly. The recoil assembly is connected to the side of the filter housing 1 , and the kinetic energy recovery assembly is arranged at the inner center of the filter housing 1 .

[0027] The kinetic energy recovery component includes an inner hollow box body 206, a drainage pipe 207, an annular baffle 208, a connecting plate 212, a stepping motor 213, a circular baffle 214, a connecting plate 215, a connecting plate 216, a rotating shaft 217, a diversion pipe 218, a drainage pressure relief pipe 219 and an extrusion sliding plate 220. The inner hollow box body 206 is fixedly connected to the inner right side of the filter housing 1, the drainage pipe 207 is fixedly connected to the front bottom of the inner hollow box body 206, an annular seat is arranged inside the filter housing 1, the annular baffle 208 is connected to the top of the annular seat, the connecting plate 212 is fixedly connected to the inner right side of the annular seat, the stepping motor 213 is fixedly connected to the top of the connecting plate 212, the connecting plate 215 is fixedly connected to the inner right top of the annular seat, the rotating shaft 217 is fixedly connected to the output shaft of the stepping motor 213, the top of the connecting plate 215 is fixedly connected to a bearing, and the rotating shaft 21 7 is fixedly connected to the inner ring of the bearing member, the connecting plate 216 is fixedly connected to the surface center of the rotating shaft 217, the circular baffle 214 is fixedly connected to the right side of the connecting plate 216, the diversion pipe 218 is fixedly connected to the left side of the inner hollow box body 206, the extrusion sliding plate 220 is slidably connected to the inside of the annular seat, and the drainage pressure relief pipe 219 is fixedly connected to the inner wall of the annular seat near the back. After water enters, the kinetic energy generated by the drainage pressure relief pipe 219 and the extrusion sliding plate 220 can be recycled. A water inlet circular hole is opened on the top of the annular baffle 208, and the area of ​​the circular baffle 214 is larger than the area of ​​the water inlet circular hole. The position of the circular baffle 214 must be adjusted first to prevent the circular baffle 214 from blocking the water inlet circular hole for water inlet. By starting the internal stepping motor 213 to drive the connecting plate 216 to rotate, the circular baffle 214 can be driven to move and leak out of the water inlet circular hole. The setting of the water inlet circular hole allows water to flow into the annular seat.

[0028] The backwash assembly includes a backwash water inlet pipe 201, a control valve 202, a filter box 203, a water inlet pipe 204, a backwash drainage pipe 205, a diversion outlet pipe 209 and a water outlet nozzle 210. The backwash water inlet pipe 201 is fixedly connected to the right side of the filter housing 1, the control valve 202 is connected to the surface of the backwash water inlet pipe 201, the filter box 203 is fixedly connected to the bottom of the backwash water inlet pipe 201, the water inlet pipe 204 is fixedly connected to the right side of the filter box 203, the backwash drainage pipe 205 is fixedly connected to the left side of the filter housing 1, the diversion outlet pipe 209 is fixedly connected to the left side of the inner hollow box body 206, and the water outlet nozzle 210 is fixedly connected to the left side of the diversion outlet pipe 209.

[0029] The detection device 3 includes a placement ring 301, a placement ring plate 302, a bearing plate 303, a water inlet 304, a water quality sensor 305, a placement frame 306, a micro-image recognition sensor 307 and a detection head 308. The placement ring 301 is fixedly connected to the inner wall of the filter housing 1, the placement ring plate 302 is fixedly connected to the bottom of the placement ring 301, the bearing plate 303 is fixedly connected to the front of the placement ring plate 302, the water inlet 304 is fixedly connected to the front of the bearing plate 303, the water inlet 304 is aligned with the water inlet end pipe 4, the inner diameter of the water inlet 304 is adapted to the inner diameter of the water inlet end pipe 4, the water quality sensor 305 is fixedly connected to the inside of the water inlet 304, the placement frame 306 is fixedly connected to the top of the water inlet 304, and the micro-image recognition sensor 307 is connected to the placement Inside the frame 306, the inner circle of the ring plate 302 is provided with an energy storage device, the bottom end of the micro image recognition sensor 307 passes through the top right side of the water inlet part 304 and extends to be connected to the inside of the water inlet part 304, the detection head 308 is fixedly connected to the bottom of the micro image recognition sensor 307, the water quality sensor 305 includes detection of suspended matter concentration, turbidity, pH value, and dissolved oxygen. The sensor can monitor the operating status of the filter in real time, including water flow rate, pressure change and water quality. When signs of blockage such as a significant decrease in water quality or an increase in pressure are detected, the backwashing procedure is immediately started. The detection device 3 is used in combination with a kinetic energy recovery component. The detection device 3 is used to detect the water quality. When a problem occurs, the backwashing component will be started, and the kinetic energy recovery component will generate kinetic energy so that the detection device 3 can be used stably.

[0030] The internal filtering device 5 includes a filter screen plate 501, a connecting column 502, a socket 503 and a buffer connecting pad 504. The filter screen plate 501 is connected to the inside of the filter housing 1 near the bottom end, the connecting column 502 is connected to the bottom front of the filter screen plate 501, and the socket 503 is connected to the top of the lower filter screen plate 501. The connecting column 502 is plugged into the inside of the socket 503, and the buffer connecting pad 504 is fixedly connected to the top of the lower filter screen plate 501. The buffer connecting pad 504 passes through the inside of the socket 503, and the bottom of the connecting column 502 is connected to the top of the buffer connecting pad 504.

[0031] When in use, the backwash water inlet pipe 201 is used to perform the backwash water inlet operation, and before the backwash water inlet, it will first pass through the filter box 203, and then enter the interior of the filter housing 1 after filtering to prevent impurities from entering, and the opening and closing of the control device is controlled by the control valve 202, so that water can be introduced according to demand, and the water intake amount can be conveniently controlled. The backwash drainage pipe 205 on the left is used to discharge the backwash water. The backwash water enters the inner hollow box body 206, and then enters the interior of the annular seat through the drainage pipe 207. Before this, the position of the circular baffle 214 must be adjusted to prevent the circular baffle 214 from blocking the water inlet circular hole for water inlet, and the connecting plate is driven by starting the internal stepper motor 213 The rotation of 216 can drive the circular baffle 214 to move, and the impact of the backwash water entering can push the extrusion sliding plate 220 to slide inside the annular seat. The impact force of the water flow or the pressure difference can generate energy, which can be used for power generation and storage in the power storage device placed inside the ring plate 302. It is used to power the water quality sensor 305 and the micro-image recognition sensor 307. At the same time, the valve 211 can be opened to allow half of the backwash water to flow out through the drainage pipe 207, and the other half to be sprayed into the interior of the filter housing 1 through the water outlet nozzle 210. It will be filtered by the internal filter device 5 and then discharged through the backwash drainage pipe 205. Half of the backwash water is used The device is used to generate electricity, half of which is used for normal filtering and processing, and serves the purpose of backwashing. The device is internally provided with a component for utilizing the kinetic energy of the backwashing water, which is easy to use, and the above-mentioned component generates electricity to supply the internal water quality sensor 305 and the micro-image recognition sensor 307. The placement ring 301, the placement ring plate 302 and the bearing plate 303 serve to place the water quality sensor 305 and the micro-image recognition sensor 307. The water quality sensor 305 includes detection of suspended matter concentration, turbidity, pH value, and dissolved oxygen. The sensor can monitor the operating status of the filter in real time, including water flow rate, pressure change and water quality status. When the water quality is significantly reduced or the pressure is detected, the filter is automatically filtered out. When there are signs of blockage such as enlargement, the backwash program is started immediately. The water quality sensor 305 and the micro image recognition sensor 307 are arranged inside the placement ring 301 aligned with the water inlet end pipe 4 to detect the incoming water. When the water quality is detected to be poor, the backwash device 2 needs to be used to backwash the inside of the filter housing 1, so that the high-efficiency filter is integrated with water quality monitoring sensors at the inlet and outlet, which can monitor the water quality of the incoming water and ensure that the incoming water meets the use requirements. Then the water quality will pass through the filter screen 501, and the filter screen plates 501 are connected by the buffer connection of the connecting column 502, the socket 503 and the buffer connection pad 504, so that they buffer each other when impacted internally, thereby increasing the service life of the device.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high efficiency filter with backwashing function, comprising a filter housing (1), characterized in that: A backwash device (2) is provided on the surface of the filter housing (1), a detection device (3) is provided inside the filter housing (1), a water inlet end pipe (4) is provided on the front of the filter housing (1), and an internal filtering device (5) is provided at the bottom end of the filter housing (1); The recoil device (2) comprises a recoil component and a kinetic energy recovery component, the recoil component is connected to the side of the filter housing (1), and the kinetic energy recovery component is arranged at the inner center of the filter housing (1); The kinetic energy recovery component comprises an inner hollow box body (206), a drainage pipe (207), an annular baffle (208), a connecting plate (212), a stepping motor (213), a circular baffle (214), a connecting plate (215), a connecting plate member (216), a rotating shaft (217), a diversion water pipe (218), a drainage and pressure relief pipe (219) and an extrusion sliding plate member (220), wherein the inner hollow box body (206) is fixedly connected to the right side of the interior of the filter housing (1), the drainage pipe (207) is fixedly connected to the front bottom of the inner hollow box body (206), an annular seat is provided inside the filter housing (1), the annular baffle (208) is connected to the top of the annular seat, and the connecting plate member (212) is fixedly connected to the right side of the inside of the annular seat, the stepper motor (213) is fixedly connected to the top of the connecting plate (212), the connecting plate (215) is fixedly connected to the top of the right side of the inside of the annular seat, the rotating shaft (217) is fixedly connected to the output shaft of the stepper motor (213), the top of the connecting plate (215) is fixedly connected with a bearing member, the rotating shaft (217) is fixedly connected to the inner ring of the bearing member, the connecting plate (216) is fixedly connected to the center of the surface of the rotating shaft (217), the circular baffle (214) is fixedly connected to the right side of the connecting plate (216), and the diversion water pipe (218) is fixedly connected to the left side of the inner hollow box body (206).

2. A high efficiency filter with backwashing function according to claim 1, characterized in that: The backwash assembly comprises a backwash water inlet pipe (201), a control valve (202), a filter box (203), a water inlet pipe (204), a backwash drainage pipe (205), a diversion water outlet pipe (209) and a water outlet nozzle (210); the backwash water inlet pipe (201) is fixedly connected to the right side of the filter housing (1); the control valve (202) is connected to the surface of the backwash water inlet pipe (201); the filter box (203) is fixedly connected to the bottom of the backwash water inlet pipe (201); the water inlet pipe (204) is fixedly connected to the right side of the filter box (203); the backwash drainage pipe (205) is fixedly connected to the left side of the filter housing (1); the diversion water outlet pipe (209) is fixedly connected to the left side of the inner hollow box body (206); and the water outlet nozzle (210) is fixedly connected to the left side of the diversion water outlet pipe (209).

3. A high efficiency filter with backwashing function according to claim 2, characterized in that: The detection device (3) comprises a placement ring (301), a placement ring plate (302), a bearing plate (303), a water inlet (304), a water quality sensor (305), a placement frame (306), a micro image recognition sensor (307) and a detection head (308); the placement ring (301) is fixedly connected to the inner wall of the filter housing (1); the placement ring plate (302) is fixedly connected to the bottom of the placement ring (301); the bearing plate (303) is fixedly connected to the front of the placement ring plate (302); The water inlet component (304) is fixedly connected to the front side of the bearing plate component (303), the water inlet component (304) is aligned with the water inlet end tube (4), the inner diameter of the water inlet component (304) is adapted to the inner diameter of the water inlet end tube (4), the water quality sensor (305) is fixedly connected to the inside of the water inlet component (304), the placement rack (306) is fixedly connected to the top of the water inlet component (304), the micro image recognition sensor (307) is connected to the inside of the placement rack (306), and the inner ring of the placement ring plate (302) is provided with an electric storage device.

4. A high efficiency filter with backwashing function according to claim 3, characterized in that: The inner filter device (5) comprises a filter screen plate (501), a connecting column (502), a socket (503) and a buffer connection pad (504); the filter screen plate (501) is connected to the inside of the filter housing (1) near the bottom end; the connecting column (502) is connected to the bottom front of the filter screen plate (501); the socket (503) is connected to the top of the filter screen plate (501) at the lower end; the connecting column (502) is plugged into the inside of the socket (503).

5. A high efficiency filter with backwashing function according to claim 4, characterized in that: The bottom end of the micro image recognition sensor (307) passes through the top right side of the water inlet member (304) and extends to be connected to the inside of the water inlet member (304), and the detection head (308) is fixedly connected to the bottom of the micro image recognition sensor (307).

6. A high efficiency filter with backwashing function according to claim 5, characterized in that: The buffer connection pad (504) is fixedly connected to the top of the filter screen plate (501) at the lower end, the buffer connection pad (504) passes through the interior of the plug socket (503), and the bottom of the connecting column (502) is connected to the top of the buffer connection pad (504).

7. A high efficiency filter with backwashing function according to claim 6, characterized in that: A circular water inlet hole is provided on the top of the annular baffle (208), and the area of ​​the circular baffle (214) is larger than the area of ​​the circular water inlet hole.

8. A high efficiency filter with backwashing function according to claim 7, characterized in that: The extrusion sliding plate (220) is slidably connected to the interior of the annular seat, and the drainage and pressure relief pipe (219) is fixedly connected to the inner wall of the annular seat close to the back side.

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