A leakage protection pre-filter with body water leakage monitoring

Abstract

The utility model relates to a leakage protection pre-filter with body leakage monitoring, including a controller, a machine head with a water inlet channel and a water outlet channel, a filter bottle and a filtering mechanism arranged in the filter bottle, a sewage discharge cavity is arranged at the bottom of the machine head, a sewage discharge part is arranged in the sewage discharge cavity, an assembly port is arranged at the top of the machine head, the top of the filter bottle is directly or indirectly closed, the bottom opening is adapted to the assembly port and can be detachably connected, the cavity between the filtering mechanism and the filter bottle constitutes an outer cavity, the cavity inside the filtering mechanism constitutes an inner cavity, the water inlet channel is connected to the outer cavity or the inner cavity, and the water outlet channel is correspondingly connected to the inner cavity or the outer cavity; the machine head is also provided with a pair of electrodes, which are electrically connected to the controller. The structure of the pre-filter is more optimized, and it is not easy to cause jamming and other faults in terms of installation, use and maintenance. The pre-filter can match occasions that are not suitable for the installation of traditional pre-filters, integrates water leakage monitoring protection, has high safety and reliability, and can achieve self-cleaning and long service life.

Description

Technical Field

[0001] The utility model relates to a leakage protection pre-filter with a machine body water leakage monitoring function, belonging to the technical field of water purification equipment. Background Art

[0002] The pre-filter in the prior art includes: a machine head, a filter bottle connected to the machine head at the upper end, a drainage ball valve connected to the lower end of the filter bottle, a filter screen frame is arranged in the filter bottle, and a filter screen is sleeved on the outer wall of the filter screen frame. During use, water flows from the water inlet of the machine head into the gap between the filter bottle and the filter screen, flows into the center of the filter screen frame after being filtered by the filter screen, and then flows from the center of the filter screen frame to the water outlet of the machine head. The pre-filter has now penetrated into thousands of households and high-end hotels.

[0003] At present, most pre-filters are of the bottom-mounted filter bottle type, which is inconvenient to install in some installation occasions. In addition, during the use of the pre-filter, the supporting pipe network often leaks due to accidents such as aging, leakage, rupture of the water pipe, and the faucet is not closed or forgotten to be closed. On the one hand, it causes waste of water resources and increase of water charges. On the other hand, it may harm the building and cause house damage and property loss in serious cases. Especially in densely populated residential areas, a leak may cause losses to multiple units in the vicinity and the lower floors, bringing inconvenience to the daily life of residents. In places such as high-end hotels, floods may be caused by burst water pipes, which may seriously damage the high-end facilities in the hotel. Such situations often occur in real life. Therefore, monitoring and protection of water leakage are very necessary. Early detection and early solution avoid the expansion of hidden dangers. Leakage monitoring and protection equipment came into being. The utility model aims to provide a leakage protection pre-filter with body leakage monitoring that has a more optimized structure and is easy to match the installation occasion. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the pre-filter of the prior art and provide a leakage protection pre-filter with body water leakage monitoring. The pre-filter has a more optimized structure and is easy to install, use and maintain. The pre-filter can be matched with occasions that are not suitable for the installation of traditional pre-filters, integrates water leakage monitoring protection, and has high safety and reliability.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A leakage protection pre-filter with body water leakage monitoring comprises a controller, a machine head with a water inlet channel and a water outlet channel, a filter bottle and a filtering mechanism arranged in the filter bottle, a sewage discharge cavity is arranged at the bottom of the machine head, a sewage discharge part is arranged in the sewage discharge cavity, an assembly port is arranged at the top of the machine head, the top of the filter bottle is directly or indirectly closed, the bottom opening is adapted to the assembly port and is detachably connected, the cavity between the filtering mechanism and the filter bottle constitutes an outer cavity, the cavity inside the filtering mechanism constitutes an inner cavity, the water inlet channel is connected to the outer cavity or the inner cavity, and the water outlet channel is correspondingly connected to the inner cavity or the outer cavity;

[0007] The head is also provided with a pair of electrodes, which are electrically connected to the controller. When water leakage from the filter bottle and / or the head is detected, the controller sends a water leakage signal.

[0008] Preferably, the electrode is arranged on the lower side of the connection between the filter bottle and the machine head, and when the filter bottle leaks, the controller responds, or it is arranged at the bottom of the machine head.

[0009] The water inlet channel or the water outlet channel is provided with a water leakage monitoring and protection mechanism, and the water leakage monitoring and protection mechanism includes a flow sensor and a flow detection unit;

[0010] The flow sensor detects the water flow through the flow monitoring unit and transmits the flow data to the controller. When the flow data exceeds the set value, the controller sends a fault signal; after the fault is eliminated, the controller returns to normal working state.

[0011] Preferably, the water leakage monitoring and protection mechanism further comprises a control valve with an actuator, wherein the control valve is any one of a solenoid valve, a butterfly valve and a ball valve, and is driven by a valve motor, and the valve motor is electrically connected to the controller;

[0012] The flow sensor detects the water flow through the flow monitoring unit and transmits the flow data to the controller. When the flow data exceeds the set value, the controller sends a command to the control valve to close the water inlet channel; after the fault is eliminated, the controller receives the external command and sends a command to the control valve to open the water inlet channel;

[0013] Alternatively, a command to close the water inlet channel, cancel the closing of the water inlet channel or open the water inlet channel is manually issued to the controller, and the controller responds and issues an operation command to the control valve.

[0014] Preferably, a sewage discharge pipe is provided in the filtering mechanism, and the sewage discharge pipe cavity constitutes a first sewage discharge channel connected to the sewage discharge member.

[0015] Preferably, a water outlet elbow is provided in the water outlet channel, and a sealing element is provided between the water outlet elbow and the machine head.

[0016] Preferably, the pre-filter is also provided with a shell, including a top cover, a surface cover, a front cover assembly and a rear cover, and the controller is arranged in the top cover, and the controller includes an electrically connected display assembly, a power supply assembly and a main control board assembly.

[0017] Preferably, the surface cover is provided with a groove structure capable of collecting leaked water, and the electrode is arranged in the groove structure.

[0018] Preferably, the electrode is fastened to the face cover by electrode screws and nuts, and a sealing ring is provided to prevent water from entering, or the electrode and the face cover are integrally injection molded, with leads passing therethrough, and a sealing ring is provided between the machine head and the face cover to prevent water from entering.

[0019] Preferably, the display assembly can be detachably adjusted according to the display direction, and is snap-connected to the front cover assembly or the rear cover through a snap-on structure, and the electrical control wiring is connected and disconnected through the ejector contacts; when the display assembly is installed on the rear cover in reverse, the rear cover is designed with corresponding installation slots and ejector PCBs.

[0020] Preferably, the front cover assembly includes a thimble PCB screw, a thimble PCB, a contact sealing ring and a front cover body. Corresponding to the front cover body, a contact copper sheet is provided on the thimble PCB, and a contact sealing ring is provided around the copper sheet to seal and waterproof. The thimble PCB is pressed and fixed by the thimble PCB screws and sealed with glue at the rear. The display assembly includes a face sticker, a P-board front cover, a sealing gasket, a P-board screw, a display panel, a thimble, a thimble sealing gasket, a P-board back cover and a P-board front and rear cover screws. The thimble is fixed to the display panel, and a thimble sealing gasket is provided at the corresponding position of the P-board back cover to ensure waterproofness. The P-board front cover and the P-board back cover are sealed by a sealing gasket, and the P-board front and rear cover screws are tightened to ensure overall sealing.

[0021] Preferably, the flow sensor includes a Hall flow sensor, an electromagnetic flow sensor, a vortex flow sensor, an ultrasonic flow sensor and an impeller flow sensor.

[0022] Preferably, the flow sensor adopts an ultrasonic flow sensor, and the flow detection unit includes a reflective element and a reflective element bracket, which are fixed to the ball valve seat. The angle between the reflective element and the water flow direction is 130-140° or 40-50°, and the angle between the reflecting surfaces of the reflective elements is 85-95°. The transmitting and receiving electrodes of the ultrasonic sensor are perpendicular to the water flow direction, or the reflective element and the reflective element bracket are omitted, and the transmitting and receiving electrodes form an acute angle or an obtuse angle with the water flow direction.

[0023] Preferably, the angle between the reflective element and the water flow direction is 135° or 45°, the angle between the reflective surfaces of the reflective elements is 90°, the transmitting and receiving electrodes of the ultrasonic sensor are perpendicular to the water flow direction, or the reflective element and the reflective element bracket are omitted, and the transmitting and receiving electrodes are 30-60° or 120°-150° to the water flow direction.

[0024] The beneficial effects of the utility model are: the structure of the pre-filter is more optimized, and it is not easy to cause jamming and other faults in terms of installation, use and maintenance. The pre-filter can be matched with occasions that are not suitable for the installation of traditional pre-filters, and it integrates water leakage monitoring protection, has high safety and reliability, can realize self-cleaning, and has a long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the utility model;

[0026] Figure 2 It is a structural schematic diagram of the utility model;

[0027] Figure 3 It is a structural schematic diagram of the utility model;

[0028] Figure 4 It is a structural schematic diagram of the utility model;

[0029] Figure 5 It is a structural schematic diagram of the utility model;

[0030] Figure 6 It is a structural schematic diagram of the utility model;

[0031] Figure 7 It is a structural schematic diagram of the utility model.

[0032] In the figure: 1. Top cover, 2. Decorative cover, 3. Back cover, 4. Charging port, 5. Main control board, 6. Sewage motor, 7. Battery assembly, 8. Front cover assembly, 8-1. Ejector PCN screw, 8-2. Ejector PCB, 8-3. Contact seal ring, 8-4. Front cover, 9. Display assembly, 9-1. Surface sticker, 9-2. P board front cover, 9-3. Sealing pad, 9-4. P board screw, 9-5. Display board, 9-6. Ejector, 9-7. Ejector seal pad, 9-8. P board back cover, 9-9. P plate front and rear cover screws, 10. Pressure plate screws, 11. Pressure plate, 12. Ultrasonic sensor, 13. Ultrasonic sensor gasket, 14. Reflector mounting seat, 15. Reflector, 16. Reflector cover, 17. Temperature sensor gasket, 18. Temperature sensor, 19. Valve motor, 20. Control valve, 21. Filter element, 22. Filter bottle, 23. Elbow, 24. Drain pipe, 25. Sealing ring, 26. Nut, 27. Electrode sheet, 28. Surface cover, 29. Electrode screw, 30. Machine head. DETAILED DESCRIPTION

[0033] The technical solution of the utility model is further described in detail below through specific embodiments and in conjunction with the accompanying drawings.

[0034] like Figure 1-7As shown, the leakage protection pre-filter with body water leakage monitoring includes a controller, a head 30 with a water inlet channel and a water outlet channel, a filter bottle 22, and a filter mechanism (filter element 21) arranged in the filter bottle 22, the bottom of the head 30 is provided with a sewage discharge cavity, the sewage discharge cavity is provided with a sewage discharge member, the top of the head 30 is provided with an assembly port, the top of the filter bottle 22 is directly or indirectly closed, the bottom opening is adapted to the assembly port and is detachably connected, the cavity between the filter mechanism and the filter bottle 22 constitutes an outer cavity, the cavity inside the filter mechanism constitutes an inner cavity, the water inlet channel is connected to the outer cavity or the inner cavity, and the water outlet channel is correspondingly connected to the inner cavity or the outer cavity;

[0035] The water outlet channel is provided with a water leakage monitoring and protection mechanism, which includes a control valve 20 with an actuator, a flow sensor and a flow detection unit;

[0036] The flow sensor detects the water flow through the flow monitoring unit and transmits the flow data to the controller. When the flow data exceeds the set value, the controller sends a command to the control valve to close the water inlet channel; after the fault is eliminated, the controller receives the external command and sends a command to the control valve to open the water inlet channel;

[0037] Alternatively, a command to close the water inlet channel, cancel the closing of the water inlet channel or open the water inlet channel is manually issued to the controller, and the controller responds and issues an operation command to the control valve;

[0038] In this embodiment, the head 30 is also provided with a pair of electrodes 27, which are electrically connected to the controller and fixed by the cooperation of the electrode screw 29 and the nut 26. When the filter bottle 22 and / or the head 30 is detected to be leaking, a water leakage signal is sent. Specifically, the controller sends an instruction to close the water inlet channel; after the fault is eliminated, the controller receives an external instruction and sends an instruction to open the water inlet channel;

[0039] Alternatively, a closing, cancel closing or opening instruction is manually issued to the controller, and the controller responds and issues a running instruction.

[0040] In this embodiment, the electrode 27 is arranged on the lower side of the connection between the filter bottle 22 and the machine head 30. When the filter bottle 22 leaks, the controller responds, or it is arranged at the bottom of the machine head 30. The control valve is any one of a solenoid valve, a butterfly valve, and a ball valve, and is driven by a valve motor 19. The valve motor 19 is electrically connected to the controller.

[0041] Specifically, a sewage pipe 24 is provided in the filtering mechanism, and the sewage pipe cavity constitutes a first sewage channel connected to the sewage discharge member. A water outlet elbow 23 is provided in the water outlet channel, and a sealing element is provided between the water outlet elbow 23 and the machine head 30.

[0042] In this embodiment, the pre-filter is also provided with a shell, including a top cover 1, a surface cover 28, a front cover assembly 8 and a rear cover 3. The controller is arranged in the top cover 1, and the controller includes an electrically connected display assembly 9, a power supply assembly 7 and a main control board assembly 5. The rear cover 3 is also provided with a decorative cover, and the power supply assembly 7 is provided with a charging interface 4.

[0043] In this embodiment, the surface cover 28 is provided with a groove structure to collect leaked water, and the electrode 27 is arranged in the groove structure.

[0044] In this embodiment, the front cover assembly 8 includes a pin PCB screw 8-1, a pin PCB8-2, a contact sealing ring 8-3 and a front cover body 8-4. Corresponding to the front cover body 8-4, the pin PCB8-2 is provided with a contact copper sheet, and a contact sealing ring 8-3 is provided around the copper sheet to seal and waterproof. The pin PCB8-2 is pressed and fixed by the pin PCB screw 8-1, and the rear is sealed with glue; the display assembly 9 includes a surface sticker 9-1, a P-board front cover 9-2, a sealing gasket 9-3, a P-board screw 9-4, a display board 9-5, a pin 9-6, a pin sealing gasket 9-7, a P-board back cover 9-8 and a P-board front and rear cover screws 9-9. The pin 9-6 is fixed to the display board 9-5, and a pin sealing gasket 9-7 is provided at the corresponding position of the P-board back cover 9-8 to ensure waterproofness. The P-board front cover 9-2 and the P-board back cover 9-8 are sealed by a sealing gasket 9-3, and the P-board front and rear cover screws 9-9 are tightened to ensure the overall sealing.

[0045] In this embodiment, the flow sensor includes a Hall flow sensor, an electromagnetic flow sensor, a vortex flow sensor, an ultrasonic flow sensor and an impeller flow sensor.

[0046] In the specific scheme, the flow sensor adopts an ultrasonic flow sensor 12, which is fixed to the assembly part of the machine head 30 by cooperating with the ultrasonic sensor gasket 13 through the pressure plate 11 and the pressure plate screw 10. The flow detection unit includes a reflective element (reflective sheet 15) and a reflective sheet mounting seat 14, which is fixed by a reflective sheet pressure cover 16. The angle between the reflective element and the water flow direction is 130-140° or 40-50°, and the angle between the reflection surfaces of the reflective elements is 85-95°. The transmitting and receiving electrodes of the ultrasonic sensor are perpendicular to the water flow direction, or the reflecting element and the reflecting element bracket are omitted, and the transmitting and receiving electrodes are at an acute angle to the water flow direction.

[0047] Specifically, the angle between the reflective element and the water flow direction is 135° or 45°, the angle between the reflective surfaces of the reflective elements is 90°, and the transmitting and receiving electrodes of the ultrasonic sensor form an acute angle of 30-60° with the water flow direction.

[0048] In this embodiment, the head 30 is also provided with an assembly port for the temperature sensor 18, and the assembly port is provided with a temperature sensor gasket 17. The beneficial effects of the utility model are: the structure of the pre-filter is more optimized, and it is not easy to cause jamming and other faults in terms of installation, use and maintenance. The pre-filter can match occasions that are not suitable for the installation of traditional pre-filters, integrates water leakage monitoring protection, has high safety and reliability, can realize self-cleaning, and has a long service life.

[0049] The above-described embodiment is only a preferred solution of the present invention and does not limit the present invention in any form. There are other variations and modifications without exceeding the technical solution described in the claims.

Claims

1. A leakage protection pre-filter with body water leakage monitoring, comprising a controller, a head with a water inlet channel and a water outlet channel, a filter bottle and a filtering mechanism arranged in the filter bottle, characterized in that: The bottom of the machine head is provided with a sewage discharge cavity, and a sewage discharge part is provided in the sewage discharge cavity. The top of the machine head is provided with an assembly port. The top of the filter bottle is directly or indirectly closed, and the bottom opening is adapted to the assembly port and detachably connected. The cavity between the filter mechanism and the filter bottle constitutes an outer cavity, and the cavity inside the filter mechanism constitutes an inner cavity. The water inlet channel is connected to the outer cavity or the inner cavity, and the water outlet channel is connected to the inner cavity or the outer cavity accordingly. The head is also provided with a pair of electrodes, which are electrically connected to the controller. When water leakage from the filter bottle and / or the head is detected, the controller sends a water leakage signal.

2. The leakage protection pre-filter with body water leakage monitoring according to claim 1 is characterized by: The electrode is arranged on the lower side of the connection between the filter bottle and the machine head. When the filter bottle leaks, the controller responds, or it is arranged at the bottom of the machine head.

3. The leakage protection pre-filter with body water leakage monitoring according to claim 1 or 2, characterized in that: The water inlet channel or the water outlet channel is provided with a water leakage monitoring and protection mechanism, and the water leakage monitoring and protection mechanism includes a flow sensor and a flow detection unit; The flow sensor detects the water flow through the flow monitoring unit and transmits the flow data to the controller. When the flow data exceeds the set value, the controller sends a fault signal; after the fault is eliminated, the controller returns to normal working state.

4. The leakage protection pre-filter with body water leakage monitoring according to claim 3 is characterized by: The water leakage monitoring and protection mechanism also includes a control valve with an actuator, the control valve is any one of a solenoid valve, a butterfly valve, and a ball valve, and is driven by a valve motor, and the valve motor is electrically connected to the controller; The flow sensor detects the water flow through the flow monitoring unit and transmits the flow data to the controller. When the flow data exceeds the set value, the controller sends a command to the control valve to close the water inlet channel; after the fault is eliminated, the controller receives the external command and sends a command to the control valve to open the water inlet channel; Alternatively, a command to close the water inlet channel, cancel the closing of the water inlet channel or open the water inlet channel is manually issued to the controller, and the controller responds and issues an operation command to the control valve.

5. The leakage protection pre-filter with body water leakage monitoring according to claim 1 or 2, characterized in that: A sewage discharge pipe is arranged in the filtering mechanism, and the sewage discharge pipe cavity forms a first sewage discharge channel connected to the sewage discharge member.

6. The leakage protection pre-filter with body water leakage monitoring according to claim 1 or 2, characterized in that: A water outlet elbow is arranged in the water outlet channel, and a sealing element is arranged between the water outlet elbow and the machine head.

7. The leakage protection pre-filter with body water leakage monitoring according to claim 1 or 2, characterized in that: The pre-filter is also provided with a housing, including a top cover, a surface cover, a front cover assembly and a rear cover. The controller is arranged in the top cover, and the controller includes an electrically connected display assembly, a power supply assembly and a main control board assembly.

8. The leakage protection pre-filter with body water leakage monitoring according to claim 7 is characterized in that: The surface cover is provided with a groove structure, which can collect leaked water, and the electrode is arranged in the groove structure.

9. The leakage protection pre-filter with body water leakage monitoring according to claim 7, characterized in that: The electrode is fastened to the face cover by electrode screws and nuts, and a sealing ring is provided to prevent water from entering, or the electrode and the face cover are integrally injection-molded, with a lead wire passing therethrough, and a sealing ring is provided between the machine head and the face cover to prevent water from entering.

10. The leakage protection pre-filter with body water leakage monitoring according to claim 7, characterized in that: The display assembly can be detachably adjusted according to the display direction, and is snap-connected to the front cover assembly or the rear cover through a snap-on structure, and the electrical control wiring is switched on and off through the ejector contacts; when the display assembly is reversely installed on the rear cover, the rear cover is designed with corresponding installation grooves and ejector PCBs.

11. The leakage protection pre-filter with body water leakage monitoring according to claim 7, characterized in that: The front cover assembly includes a thimble PCB screw, a thimble PCB, a contact sealing ring and a front cover body. Corresponding to the front cover body, a contact copper sheet is provided on the thimble PCB, and a contact sealing ring is provided around the copper sheet to seal and waterproof. The thimble PCB is pressed and fixed by the thimble PCB screw, and sealed with glue at the rear; the display assembly includes a face sticker, a P-board front cover, a sealing pad, a P-board screw, a display panel, a thimble, a thimble sealing pad, a P-board back cover and P-board front and rear cover screws. The thimble is fixed to the display panel, and a thimble sealing pad is provided at the corresponding position of the P-board back cover to ensure waterproofness. The P-board front cover and the P-board back cover are sealed by a sealing pad, and the P-board front and rear cover screws are tightened to ensure overall sealing.

12. The leakage protection pre-filter with body water leakage monitoring according to claim 3, characterized in that: The flow sensors include Hall flow sensors, electromagnetic flow sensors, vortex flow sensors, ultrasonic flow sensors and impeller flow sensors.

13. The leakage protection pre-filter with body water leakage monitoring according to claim 12, characterized in that: The flow sensor adopts an ultrasonic flow sensor. The flow detection unit includes a reflective element and a reflective element bracket, which are fixed to the ball valve seat. The angle between the reflective element and the water flow direction is 130-140° or 40-50°, the angle between the reflection surfaces of the reflective elements is 85-95°, and the transmitting and receiving electrodes of the ultrasonic sensor are perpendicular to the water flow direction.

14. The leakage protection pre-filter with body water leakage monitoring according to claim 13, characterized in that: The angle between the reflective element and the water flow direction is 135° or 45°, and the angle between the reflective surfaces of the reflective elements is 90°.

15. The leakage protection pre-filter with body water leakage monitoring according to claim 12, characterized in that: The flow sensor adopts an ultrasonic flow sensor, and the transmitting and receiving electrodes form an acute angle or an obtuse angle with the water flow direction.

16. The leakage protection pre-filter with body water leakage monitoring according to claim 15, characterized in that: The transmitting and receiving electrodes are 30-60° or 120°-150° to the water flow direction.

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