Water purification module provided with monitoring switch and used for drinking equipment

Abstract

The utility model discloses a water purification module with a monitoring switch for drinking water equipment, the water purification module is integrally arranged in the drinking water equipment, the water purification module comprises a frame body, a waterway plate arranged in the frame body and a plurality of filter element seats arranged on the waterway plate, and the plurality of filter element seats are connected with separable filter elements. The water inlet electromagnetic valve, the booster pump, the waste water electromagnetic valve and the main control board are arranged in the frame body and connected with the water path system, a monitoring switch used for monitoring opening and closing of a cabinet door of the water drinking equipment is arranged on the frame body, and the main control board is connected with the water inlet electromagnetic valve, the booster pump, the waste water electromagnetic valve and the monitoring switch. The water inlet electromagnetic valve and the booster pump are closed, the waste water electromagnetic valve is opened, the water purification module stops working, pressure relief is conducted on the water purification module through the waste water electromagnetic valve, and overflow caused by too large internal water pressure during filter element replacement / maintenance is prevented.

Description

Technical Field

[0001] The utility model belongs to the field of drinking water equipment, and in particular relates to a water purification module for drinking water equipment with a built-in monitoring switch. Background Art

[0002] Existing drinking water equipment can be divided into two types:

[0003] One is a single-function drinking water device, that is, the drinking water device only provides water collection / heating functions. The defect of this drinking water device is that it has a single function and cannot meet market demand.

[0004] The second is drinking water equipment equipped with water purification equipment components, that is, in addition to providing water intake / heating functions, the drinking water equipment can also provide tap water filtering functions; however, the water purification equipment components of existing drinking water equipment products of this type are all distributed separately inside the drinking water equipment, without unified standards, and the water pump, solenoid valve, filter element and other components are irregularly distributed inside the machine, the back layout is messy, and the replacement and maintenance of the filter element are not utilized. Utility Model Content

[0005] Purpose of the utility model: The technical problem to be solved by the utility model is to provide a water purification module for drinking water equipment that is integrated into the drinking water equipment and has a built-in monitoring switch for convenient replacement or maintenance of the filter element.

[0006] Technical solution: The utility model is a water purification module for drinking water equipment with a built-in switch. The water purification module is installed in an integrated manner in the drinking water equipment. It includes a frame, a waterway plate arranged in the frame, and a plurality of filter cartridge seats arranged on the waterway plate and connected to its waterway system. The filter cartridge seats are detachably connected to the filter cartridges.

[0007] The water purification module also includes a water inlet solenoid valve, a booster pump, a wastewater solenoid valve and a main control board which are arranged in the frame and connected to the water system. The frame is provided with a monitoring switch for monitoring the opening and closing of the drinking water equipment cabinet door. The main control board is respectively connected to the water inlet solenoid valve, the booster pump, the wastewater solenoid valve and the monitoring switch. When the drinking water equipment cabinet door is opened, the water inlet solenoid valve and the booster pump are closed and the wastewater solenoid valve is opened.

[0008] Furthermore, the filter elements of the water purification module are placed horizontally in the frame, with their tail ends facing the front of the frame; the monitoring switch is an induction switch or a micro switch provided on the frame.

[0009] Furthermore, the monitoring switch of the water purification module is a micro switch arranged on the frame, and a trigger rod corresponding to the micro switch and used to trigger or release the micro switch is provided on the drinking water equipment cabinet door.

[0010] Furthermore, the filter element seat of the water purification module includes a joint and a locking device, and the connection between the filter element and the joint is achieved in a detachable manner through the locking device; the locking device includes a gear sleeve assembly with a central through hole, which is used to support the gear sleeve assembly and a connecting seat connected to the joint, and the connecting seat is located between the joint and the filter element; the gear sleeve assembly includes a gear sleeve, bevel teeth provided at the upper end of the gear sleeve and used to lock the filter element, and offset teeth provided at the lower end of the gear sleeve; grooves are provided at intervals on the inner side of the bevel teeth, and an elastic element is connected between the upper end of the gear sleeve and the joint.

[0011] Furthermore, the upper end of the filter element of the water purification module is provided with a plurality of protruding teeth corresponding to the grooves and a plurality of groups of driving teeth matching the offset teeth along the circumferential direction.

[0012] Furthermore, the water system of the water purification module includes a first PP filter element, a second PP filter element, a composite filter element and an RO membrane filter element arranged in series in sequence. The water inlet solenoid valve and the booster pump are arranged between the composite filter element and the RO membrane filter element in sequence. The wastewater solenoid valve is arranged on the wastewater pipe of the RO membrane filter element, and the check valve is arranged on the pure water pipe of the RO membrane filter element.

[0013] Furthermore, a source water TDS probe is provided on the water path between the composite filter element and the RO membrane filter element of the water purification module. The pure water pipeline is connected to the water tank of the drinking water equipment. A check valve, a pure water TDS probe and a high-pressure switch are also provided on the pure water pipeline.

[0014] Beneficial effects: Compared with the prior art, the advantages of the present invention are as follows: the water purification module for drinking water equipment is installed in the drinking water equipment in an integrated manner, is compact, requires low installation space, and has strong versatility. It can be used in small household drinking water equipment and commercial drinking water equipment; because the filter element is integrated into the module, subsequent use, maintenance, and replacement of the filter element are convenient and simple, reducing after-sales maintenance costs. In addition, the water purification module realizes the switching function by cooperating with the drinking water equipment cabinet door through the monitoring switch (i.e., built-in switch) set thereon, and cooperates with the main control board, water inlet solenoid valve, booster pump and waste water solenoid valve. When the drinking water equipment cabinet door is closed, the water purification function can work normally to produce water; when the cabinet door is opened, the water purification module stops working, and the main control board is controlled to open the waste water solenoid valve to relieve the pressure of the water purification module, thereby preventing overflow due to excessive internal water pressure when replacing the filter element / maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of the water purification module of the utility model;

[0016] Figure 2 This is a schematic diagram of the water system structure of the water purification module of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the filter element and filter element seat of the water purification module of the utility model;

[0018] Figure 4 This is a schematic diagram of the filter element structure of the water purification module of the present utility model;

[0019] Figure 5 This is a structural diagram of the gear sleeve assembly of the water purification module of the present utility model;

[0020] Figure 6 This is a schematic diagram of the cooperation between the filter element and the locking mechanism of the water purification module of the present invention;

[0021] Figure 7 This is a partial structural diagram of the water purification module of the utility model integrated into the drinking water equipment. DETAILED DESCRIPTION

[0022] The technical solution of the present utility model is further described in detail below with reference to the accompanying drawings.

[0023] like Figure 1 As shown, the present invention's water purification module for drinking water equipment with a built-in monitoring switch comprises a frame 1, a waterway plate 2 vertically disposed within the frame 1, and a plurality of filter cartridge holders mounted on the waterway plate 2. These filter cartridge holders communicate with the waterway system on the waterway plate 2 to achieve water purification. A filter cartridge 3 is detachably attached to the filter cartridge holders and positioned horizontally within the frame 1, with the rear end of the filter cartridge 3 facing directly forward of the frame 1. When the water purification module is integrated into the drinking water equipment, the filter cartridge 3 can be conveniently removed laterally for replacement or maintenance when the cabinet door is opened.

[0024] The plurality of filter elements 3 may include a first PP filter element 18, a second PP filter element 19, a composite filter element 20 (PCB filter element) and an RO membrane filter element 21 which are sequentially connected in series. Based on the plurality of filter elements 3, the waterway system on the waterway plate 2 is as follows Figure 2As shown, the system may include a first PP filter element 18, a second PP filter element 19, a PCB filter element 20, and an RO membrane filter element 21, which are sequentially connected in series. Specifically, the water inlet of the first PP filter element 18 is connected to the source water, the water outlet of the first PP filter element 18 is connected to the water inlet of the second PP filter element 19, the water outlet of the second PP filter element 19 is connected to the water inlet of the PCB filter element 20, and the water outlet of the PCB filter element 20 is connected to the water inlet of the RO membrane filter element 21. The wastewater outlet of the RO membrane filter element 21 is directly connected to the wastewater pipe for discharge, and the pure water outlet of the RO membrane filter element 21 is connected to the water tank of the drinking water device for supplying pure water. A water inlet solenoid valve 4, a booster pump 5, and a source water TDS probe 22 are also installed in the water path between the PCB filter element 20 and the RO membrane filter element 21. The order of these three elements is not critical. A wastewater solenoid valve 6 is installed in the wastewater pipe of the RO membrane filter element 21. The pure water pipeline of the RO membrane filter element 21 is provided with a check valve 23, a pure water TDS probe 24 and a high-pressure switch 25. Similarly, there is no specific limitation on the order of the three.

[0025] like Figures 3 to 6 As shown, the filter element seat includes a connector 9 and a locking device, and the filter element 3 is connected to the connector 9 in a detachable manner through the locking device. The locking device includes a gear sleeve assembly with a central through hole, a connecting seat 10 for supporting the gear sleeve assembly and connected to the connector 9, and the connecting seat 10 is located between the connector 9 and the filter element 3. The gear sleeve assembly includes a gear sleeve 11, an oblique tooth 12 provided at the upper end of the gear sleeve 11 and used to lock the filter element, and an offset tooth 13 provided at the lower end of the gear sleeve 11. Grooves 14 are spaced apart on the inner side of the oblique tooth 12. The upper end of the filter element 3 is circumferentially provided with a plurality of protruding teeth 16 corresponding to the grooves 14 and a plurality of groups of driving teeth 17 cooperating with the offset teeth 13. An elastic element 15 is connected between the upper end of the gear sleeve 11 and the connector 9. The filter element seat and filter element used in the present invention are the existing press-type filter element seat and filter element structure well known in the art, such as the specific structure of the connector, filter element and locking device in application number 2023203986958, entitled "A press-type filter device".

[0026] The frame 1 of the water purification module for drinking water equipment of the present invention is provided with a monitoring switch 7 for monitoring the opening and closing of the drinking water equipment cabinet door. The monitoring switch 7 can be set on the front of the frame 1 and can be an induction switch or a micro switch. When a micro switch is used, a corresponding trigger rod 8 for activating or releasing the micro switch is provided on the cabinet door of the drinking water equipment. Figure 7As shown. The drinking water equipment water purification module's frame 1 also houses a main control board, which is connected to a monitoring switch 7, a water inlet solenoid valve 4, a booster pump 5, and a wastewater solenoid valve 6. When the monitoring switch 7 detects that the drinking water equipment cabinet is open, a monitoring signal is fed back to the main control board, which controls the closing of the water inlet solenoid valve 4 and the booster pump 5 and the opening of the wastewater solenoid valve 6, thereby relieving pressure in the water purification module and preventing overflow due to excessive internal water pressure during filter replacement or maintenance.

Claims

1. A water purification module for drinking water equipment with a built-in monitoring switch, characterized in that: The water purification module is integrally installed in a drinking water device and comprises a frame (1), a waterway plate (2) disposed in the frame (1), and a plurality of filter cartridge seats disposed on the waterway plate (2) and connected to its waterway system, wherein a filter cartridge (3) is detachably connected to the filter cartridge seat. The water purification module further comprises a water inlet solenoid valve (4), a booster pump (5), a wastewater solenoid valve (6) and a main control board which are arranged in the frame (1) and connected to the water system. A monitoring switch (7) for monitoring the opening and closing of the drinking water equipment cabinet door is provided on the frame (1). The main control board is respectively connected to the water inlet solenoid valve (4), the booster pump (5), the wastewater solenoid valve (6) and the monitoring switch (7). When the drinking water equipment cabinet door is opened, the water inlet solenoid valve (4) and the booster pump (5) are closed and the wastewater solenoid valve (6) is opened.

2. The water purification module for drinking water equipment with a built-in monitoring switch according to claim 1 is characterized in that: The plurality of filter elements (3) are horizontally placed in the frame (1), with their tail ends facing the front of the frame (1); the monitoring switch (7) is an induction switch or a micro switch provided on the frame (1).

3. The water purification module for drinking water equipment with a built-in monitoring switch according to claim 2 is characterized in that: The monitoring switch (7) is a micro switch provided on the frame (1), and a trigger rod (8) corresponding to the micro switch and used for triggering or releasing the micro switch is provided on the drinking water equipment cabinet door.

4. The water purification module for drinking water equipment with a built-in monitoring switch according to claim 1 is characterized in that: The filter element seat comprises a joint (9) and a locking device, and the filter element (3) and the joint (9) are connected in a detachable manner by means of the locking device; the locking device comprises a tooth sleeve assembly having a central through hole, used for supporting the tooth sleeve assembly and a connecting seat (10) connected to the joint, the connecting seat (10) being located between the joint (9) and the filter element (3); the tooth sleeve assembly comprises a tooth sleeve (11), an oblique tooth (12) provided at the upper end of the tooth sleeve (11) and used for locking the filter element, and an offset tooth (13) provided at the lower end of the tooth sleeve (11); grooves (14) are provided at intervals on the inner side of the oblique tooth (12), and an elastic element (15) is provided between the upper end of the tooth sleeve (11) and the joint (9).

5. The water purification module for drinking water equipment with a built-in monitoring switch according to claim 4 is characterized in that: The upper end of the filter element (3) is provided with a plurality of protruding teeth (16) corresponding to the grooves (14) and a plurality of groups of driving teeth (17) matching the offset teeth (13) along the circumferential direction.

6. The water purification module for drinking water equipment with a built-in monitoring switch according to claim 1 is characterized in that: The water system comprises a first PP filter element (18), a second PP filter element (19), a composite filter element (20) and an RO membrane filter element (21) which are sequentially connected in series; the water inlet solenoid valve (4) and the booster pump (5) are arranged between the composite filter element (20) and the RO membrane filter element (21); and the wastewater solenoid valve (6) is arranged on the wastewater pipeline of the RO membrane filter element (21).

7. The water purification module for drinking water equipment with a built-in monitoring switch according to claim 6 is characterized in that: A source water TDS probe (22) is also provided on the water channel between the composite filter element (20) and the RO membrane filter element (21); a pure water pipeline is connected to a water tank of the drinking water equipment; and a check valve (23), a pure water TDS probe (24) and a high-pressure switch (25) are also provided on the pure water pipeline.

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