Intelligent pre-filter

By designing an intelligent pre-filter, combined with water flow detection and leakage sensing devices, the problems of high cost and inability to detect faucets left running in existing technologies are solved, achieving water conservation and convenient monitoring.

CN223747081UActive Publication Date: 2026-01-02TAIZHOU BOAIQI ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202520124521.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-01-02
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

Existing pre-filters are expensive and cannot detect when a tap is not turned off, leading to water waste.

Method used

An intelligent pre-filter was designed, comprising a valve head assembly, a filter bottle, a water flow detection device, and a leakage sensing device. The control module monitors the water flow and leakage in real time, controls the opening and closing of the inlet ball valve, and integrates with an IoT wireless terminal for monitoring.

Benefits of technology

It achieves low-cost water conservation by real-time monitoring and control of the inlet ball valve, avoiding abnormal water use and reducing water waste.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223747081U_ABST
Patent Text Reader

Abstract

The utility model provides an intelligent prefilter which comprises a valve head assembly and a filter bottle, a water inlet channel and a water outlet channel are arranged in the valve head assembly, and an inner cavity of the filter bottle is communicated with the water outlet channel, and is characterized in that a water inlet ball valve is arranged in the water inlet channel, a water inlet ball valve actuator for driving the water inlet ball valve to rotate is arranged on the valve head assembly, and a water outlet ball valve actuator for driving the water inlet ball valve to rotate is arranged on the valve head assembly. A water flow detection device is arranged on the water outlet channel, a water leakage sensing device is arranged at the bottom of the filter bottle, and the water flow detection device and the water leakage sensing device are both in circuit connection with the control module; the water supply device is simple in structure and low in cost, the water outlet condition of the water outlet channel can be monitored in real time through the water flow detection device, when the control module judges that water is used abnormally, the water inlet ball valve actuator is controlled to drive the water inlet ball valve to rotate to close the water inlet channel, and waste of more water resources is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to an intelligent prefilter. BACKGROUND

[0002] With the progress of science and technology and the improvement of living standards, people often set a prefilter on the water inlet pipeline into the family, and preliminarily filter the silt, rust and other large particle materials in tap water.

[0003] At present, the prefilter on the market generally only has a filtering function, and the prefilter with a water leakage prevention function is mostly composed of high-precision and high-cost advanced components, which is high in cost and not suitable for ordinary family daily needs, and cannot prevent some wrong use, such as not closing the faucet, cannot detect and react, and still causes great waste of water resources; therefore, the prior art still needs to be improved and developed. SUMMARY

[0004] In view of the deficiencies in the above problems, the utility model provides an intelligent prefilter.

[0005] In order to achieve the above purpose, the utility model provides an intelligent prefilter, which comprises a valve head assembly and a filter bottle, a water inlet channel and a water outlet channel are arranged in the valve head assembly, the inner cavity of the filter bottle is communicated with the water outlet channel, characterized in that: a water inlet ball valve is arranged in the water inlet channel, a water inlet ball valve actuator for driving the water inlet ball valve to rotate is arranged on the valve head assembly, a water flow detection device is arranged on the water outlet channel, a water leakage sensing device is arranged at the bottom of the filter bottle, the water flow detection device and the water leakage sensing device are connected with a control module circuit, and the control module controls the start and stop of the water inlet ball valve actuator according to the water outlet condition of the water outlet channel fed back by the water flow detection device or / and the water leakage condition of the filter fed back by the water leakage sensing device.

[0006] Further, a filter assembly is arranged in the filter bottle, the filter assembly comprises an inner framework, an outer framework and a plurality of laminations arranged between the inner framework and the outer framework, and a filter screen is fixed to the surface of the inner framework.

[0007] Further, a blowdown pipe is connected to the lower end of the filter bottle through a sealing element, a blowdown ball valve is arranged in the blowdown pipe, and a blowdown ball valve actuator for driving the blowdown ball valve to rotate is arranged outside the blowdown pipe, and the blowdown ball valve actuator is connected with the control module circuit.

[0008] Further, a pressure relief port is arranged on the water inlet channel of the valve head assembly, a water hammer pressure relief device is connected to the pressure relief port, and the water hammer pressure relief device comprises a pressure relief bottle, a balance block arranged in the pressure relief bottle and a return spring connected between the pressure relief bottle and the balance block.

[0009] Further, a shell is arranged outside the filter bottle, and the water leakage sensing device is detachably arranged on the shell.

[0010] Further, the water flow detection device comprises a water flow guide frame, an impeller, and an impeller magnetic electric induction module, the water flow guide frame is fixed on the water outlet channel, the impeller is rotatably arranged in the water flow guide frame, and the impeller magnetic electric induction module is arranged on the valve head assembly and transmits the sensed rotation speed and number of the impeller to the control module.

[0011] Further, the control module is monitored through a wireless real-time connection Internet of Things wireless terminal.

[0012] The utility model discloses relative to prior art's beneficial effect is: the utility model discloses simple structure, low in cost can pass through water flow detection device real -time monitoring the water outlet channel's water outlet situation, when the control module judges as non -normal water, then control inlet ball valve actuator drive inlet ball valve rotation closes inlet water channel, avoid causing more water resource waste. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a sectional view of the intelligent prefilter of the utility model. DETAILED DESCRIPTION

[0014] As Figure 1 The utility model discloses a kind of intelligent prefilter of embodiment, including valve head assembly 1 and filter bottle 2, inlet water channel 1-1 and water outlet channel 1-2 are equipped in valve head assembly 1, filter bottle 2 inner chamber and water outlet channel 1-2 are communicated, inlet water ball valve 3 is equipped in inlet water channel 1-1, inlet water ball valve actuator 4 is equipped on valve head assembly 1, the output end of inlet water ball valve actuator 4 extends to inlet water channel 1-1 and is fixedly connected with inlet water ball valve 3, for driving inlet water ball valve 3 rotation, water flow detection device 5 is equipped on water outlet channel 1-2, for real-time monitoring single water outlet flow and time in water outlet channel 1-2, filter bottle 2 is equipped with shell, bottom is equipped with leakage sensing device 6, leakage sensing device 6 can be detachably arranged on shell, for sensing the leakage situation of filter, water flow detection device 5 and leakage sensing device 6 are all connected with control module circuit, control module controls the start-stop of inlet water ball valve actuator 4 according to the water outlet situation of water outlet channel 1-2 fed back by water flow detection device 5 or / and the filter leakage situation fed back by leakage sensing device 6;That is, when control module judges as non-normal water according to single water outlet flow and time in water outlet channel 1-2, control module controls inlet water ball valve actuator 4 to drive inlet water ball valve 3 rotation, to close inlet water channel 1-1 in sequence;When control module receives the leakage signal of filter, control module controls inlet water ball valve actuator 4 to drive inlet water ball valve 3 rotation, to close inlet water channel 1-1 in sequence.

[0015] Further, as Figure 1As shown, the filter bottle 2 in the embodiment is provided with a filter assembly 7, which includes an inner framework 8, an outer framework 9, and a plurality of laminates 10 arranged between the inner framework 8 and the outer framework 9. The surface of the inner framework 8 is fixed with a filter screen. The outer framework 9 has a large filter gap and is used for rough filtering of large particles in the liquid. The filter gap of the laminates is between the inner framework 8 and the outer framework 9. The filter screen on the inner framework 8 has a small filter gap. The liquid flowing through the filter bottle 2 is filtered by the outer framework 9, the laminates 10, and the filter screen, and the filtering effect is good.

[0016] Further, as shown in the drawings, Figure 1 The lower end of the filter bottle 2 in the embodiment is connected with a blowdown pipe 12 through a sealing element 11. The blowdown pipe 12 is provided with a blowdown ball valve 13 and is externally provided with a blowdown ball valve actuator 14 for driving the rotation of the blowdown ball valve 13. The blowdown ball valve actuator 14 is connected with the control module circuit. The control module automatically controls the blowdown ball valve actuator 14 to drive the rotation of the blowdown ball valve 13 according to the set blowdown time, thereby realizing blowdown.

[0017] Further, as shown in the drawings, Figure 1 The valve head assembly 1 in the embodiment is provided with a pressure relief port 1-3 on the water inlet channel 1-1. The pressure relief port 1-3 is connected with a waterproof hammer pressure relief device 15. The waterproof hammer pressure relief device 15 includes a pressure relief bottle 16, a balance block 17 arranged in the pressure relief bottle 16, and a return spring 18 connected between the pressure relief bottle 16 and the balance block 17. When the liquid pressure in the water inlet pipe 1-1 is large, the balance block 17 moves downward under the action of the hydraulic pressure. More liquid can enter the pressure relief bottle 16, thereby relieving the liquid pressure in the water inlet channel 1-1 and avoiding damage to the filter.

[0018] Further, as shown in the drawings, Figure 1 The water flow detection device 5 in the embodiment includes a water flow guide bracket 19, an impeller 20, and an impeller magnetic and electric induction module 21. The water flow guide bracket 19 is fixedly arranged on the water outlet channel 1-2. The impeller 20 is rotatably arranged in the water flow guide bracket 19. The impeller magnetic and electric induction module 21 is arranged on the valve head assembly 1 and transmits the rotation speed and the number of revolutions of the impeller 20 to the control module. The control module converts the single water outlet flow and time of the water outlet channel 1-2 based on the rotation speed and the number of revolutions of the impeller 20.

[0019] Further, as shown in the drawings, Figure 1 The control module in the embodiment is connected with the Internet of Things wireless terminal in real time for monitoring. The user can realize real-time monitoring and control of the filter through the APP module on the mobile terminal, which is more convenient to use and more reliable in safety.

[0020] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An intelligent pre-filter, comprising a valve head assembly (1) and a filter bottle (2), a water inlet channel (1-1) and a water outlet channel (1-2) are arranged in the valve head assembly (1), and the inner cavity of the filter bottle (2) is communicated with the water outlet channel (1-2), characterized in that: The water inlet channel (1-1) is provided with a water inlet ball valve (3), the valve head assembly (1) is provided with a water inlet ball valve actuator (4) for driving the water inlet ball valve (3) to rotate, the water outlet channel (1-2) is provided with a water flow detection device (5), the filter bottle (2) is provided with a water leakage sensing device (6) at the bottom, the water flow detection device (5) and the water leakage sensing device (6) are connected with a control module circuit, the control module controls the start and stop of the water inlet ball valve actuator (4) according to the water outlet condition of the water outlet channel (1-2) fed back by the water flow detection device (5) and / or the filter leakage condition fed back by the water leakage sensing device (6).

2. The intelligent prefilter of claim 1, wherein: The filter bottle (2) is provided with a filter assembly (7), the filter assembly (7) comprises an inner framework (8), an outer framework (9) and a plurality of laminations (10) arranged between the inner framework (8) and the outer framework (9), and the surface of the inner framework (8) is fixed with a filter screen.

3. The intelligent prefilter of claim 1 or 2, wherein: The filter bottle (2) is connected with a blowdown pipe (12) through a sealing element (11) at the lower end, the blowdown pipe (12) is provided with a blowdown ball valve (13) and is externally provided with a blowdown ball valve actuator (14) for driving the blowdown ball valve (13) to rotate, and the blowdown ball valve actuator (14) is connected with the control module circuit.

4. The intelligent prefilter of claim 1, wherein: The valve head assembly (1) is provided with a pressure relief port (1-3) on the water inlet channel (1-1), the pressure relief port (1-3) is connected with a water hammer pressure relief device (15), and the water hammer pressure relief device (15) comprises a pressure relief bottle (16), a balance block (17) arranged in the pressure relief bottle (16) and a return spring (18) connected between the pressure relief bottle (16) and the balance block (17).

5. The intelligent prefilter of claim 1, wherein: The filter bottle (2) is externally provided with a shell, and the water leakage sensing device (6) is detachably arranged on the shell.

6. The intelligent prefilter of claim 1, wherein: The water flow detection device (5) comprises a water flow guide frame (19), an impeller (20) and an impeller magnetic and electric sensing module (21), the water flow guide frame (19) is fixedly arranged on the water outlet channel (1-2), the impeller (20) is rotatably arranged in the water flow guide frame (19), and the impeller magnetic and electric sensing module (21) is arranged on the valve head assembly (1) and transmits the sensed rotation speed and number of turns of the impeller (20) to the control module.

7. The intelligent prefilter of claim 1, wherein: The control module is monitored by a wireless real-time connection Internet of Things wireless terminal.