CN215352200U - Filter core and pressure unit integrated filter device and water supply device comprising same - Google Patents
Filter core and pressure unit integrated filter device and water supply device comprising same Download PDFInfo
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- CN215352200U CN215352200U CN202121044369.4U CN202121044369U CN215352200U CN 215352200 U CN215352200 U CN 215352200U CN 202121044369 U CN202121044369 U CN 202121044369U CN 215352200 U CN215352200 U CN 215352200U
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Abstract
The utility model provides a filter element and pressure unit integrated filter device and a water supply device comprising the same. The utility model solves the problem of how to avoid using additional pipe connectors and/or pipelines in the process of using the pressure unit and the filtering device in the prior art.
Description
Technical Field
The utility model relates to the technical field of water filtering equipment, in particular to a filter element and pressure unit integrated filtering device and a water supply device comprising the same.
Background
When the existing pressure barrel and the filtering device are matched for use, various pipe connectors and/or pipelines are needed to be used, secondary pollution is easily caused, water leakage is easily caused due to aging of the pipe connectors, the pipelines and the like, and the use is inconvenient; in addition, the pressure barrel and the filtering device which are connected through the pipe connector and the pipeline have high cost and large occupied space.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a filter element and pressure unit integrated filter device and a water supply device comprising the same, and mainly solves the problems in the prior art that: how to avoid the problem of using extra pipe connectors and/or pipelines in the process of using the pressure unit and the filtering device, and realize the functions of avoiding secondary pollution, reducing the possibility of water leakage, reducing the cost and occupying less space, and the provided integrated filtering device and the water supply device comprising the device.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a filter core and pressure unit integration filter equipment, includes filter core and pressure unit, its characterized in that: the filter element and the pressure unit are connected into a whole to form an integrated filtering device.
Further, a filtering space for filtering water is arranged in the filter element; the pressure unit comprises a water storage space for storing water and pressurizing and a pressure space for providing pressure for the water storage space; the filtering space is communicated with the water storage space.
Furthermore, the power of the water source flowing out of the pressure unit in the water storage space is from air power provided by the pressure space, or from spring power provided by the pressure space, or from water pressure power provided by the pressure difference between the water storage space and the outside.
Further, the integrated filter device is provided with a water inlet for feeding water into the filter space and/or the water storage space and a water outlet for discharging liquid from the filter space and/or the water storage space.
Furthermore, the filter element and the pressure unit are connected in a clamping mode or in a threaded mode or in a welding mode.
Furthermore, a first connecting part is arranged at the bottom of the filter element, a second connecting part is arranged at the top of the pressure unit, and the first connecting part and the second connecting part are connected and communicated with each other;
the first connecting part is positioned in the middle of the bottom of the filter element and is provided with a first inwards concave connecting hole, and the inner side wall of the first connecting hole is provided with a first internal thread or a first clamping part; the second connecting part is positioned in the middle of the top of the pressure unit and is in a convex shape, a second communicating hole is formed in the second connecting part, a second external thread or a second clamping part is arranged on the outer side wall of the second connecting part, and the first internal thread is connected with the second external thread or the first clamping part is connected with the second clamping part;
or the first connecting part and the second connecting part are connected by welding.
Further, the water storage space and the pressure space are separated by a first separating part which can be elastically changed and/or a movable second separating part; the first partition part is a rubber sheet/silica gel sheet, and the periphery of the rubber sheet/silica gel sheet is hermetically connected with the inner side wall of the shell corresponding to the pressure space; and/or the second partition part is a partition plate, the periphery of the partition plate is hermetically connected to the inner side wall of the shell corresponding to the pressure space, and the partition plate moves in the pressure space through the elastic part.
Further, the water storage space and the pressure space are separated by a first separating part which can be elastically changed and/or a movable second separating part; the first partition part is a rubber sheet/silica gel sheet, the rubber sheet/silica gel sheet and the elastic air bag form a pressure space, the elastic air bag is connected with the outside through an air hole, and the periphery of the rubber sheet/silica gel sheet is hermetically connected to the inner side wall of the elastic air bag corresponding to the pressure space.
Further, the pressure space is provided with an air hole; a transition space can be additionally arranged between the filtering space and the water storage space; and a sewage draining outlet is additionally arranged in the sewage area.
The utility model provides a water supply installation, contains above-mentioned filter core and pressure unit integration filter equipment which characterized in that: the water supply device comprises a raw water leading-out device, a waste water leading-out device, a pure water leading-out device, a first electromagnetic valve, a booster pump, a first primary filtering unit, a first three-way valve, a high-voltage switch, a second three-way valve, a first one-way valve, a second electromagnetic valve, a digital time relay and a delay time relay;
the water outlet end of the raw water leading-out device is connected with the water inlet end of a first electromagnetic valve, the water outlet end of the first electromagnetic valve is connected with the water inlet end of a booster pump, the water outlet end of the booster pump is connected with one end of a first three-way valve, the other end of the first three-way valve is connected with the water inlet end of a first filtering unit, the waste water end of the first filtering unit is connected with the waste water leading-out end to discharge waste water, the pure water end of the first filtering unit is connected with one end of a high-pressure switch, the other end of the high-pressure switch is connected with the water inlet of an integrated filtering device, the water outlet of the integrated filtering device is connected with one end of a second three-way valve, the other end of the second three-way valve is connected with a pure water leading-out device, the middle end of the second three-way valve is connected with the water inlet end of a first one-way valve, the water outlet end of the first one-way valve is connected with the water inlet end of the second electromagnetic valve, and the water outlet end of the second electromagnetic valve is connected with the middle end of the first three-way valve;
high-voltage switch, digital time relay and delay time relay constitute control circuit with first solenoid valve, second solenoid valve, and when control was started again after setting for down time, the TDS value of the end of intaking of first filter unit and waste water end all was the same with the TDS value of the pure water end of first filter unit.
In view of the technical characteristics, the utility model has the following beneficial effects:
1. the filter element is connected with the pressure unit, namely the filter element and the pressure unit are integrated, no additional connecting piece such as a pipe connector, a pipeline and the like is needed between the filter element and the pressure unit, the filter element filtering space is communicated with the water storage space of the pressure unit, and the operation of filtering and increasing the water storage of the water storage space of the pressure unit can be completed as long as water enters the filtering space and/or the water storage space. This filter core and pressure unit integration filter equipment because of the integrated design, can be more miniaturized, the rational utilization space, occupation space is littleer, because saved and needed extra connecting piece (for example pipe connector, pipeline etc.), practices thrift the cost, also can avoid through the secondary pollution that extra connecting piece produced and reduce the possibility of leaking (for example because of pipe connector, pipeline age leak).
Drawings
Fig. 1 is a schematic structural diagram of a filter device with an integrated filter element and pressure unit in example 1 (the filter element and the pressure unit are in threaded connection).
Fig. 2 is a schematic structural view of the pressure unit of fig. 1.
Fig. 3 is a schematic structural diagram of a filter device with an integrated filter element and pressure unit in example 1 (the filter element and the pressure unit are in snap-in connection).
Fig. 4 is a schematic structural diagram 1 of a filter device integrating a filter element and a pressure unit in example 1 (the filter element and the pressure unit are connected in a welding manner).
Fig. 5 is a schematic structural diagram 2 of a filter device integrating a filter element and a pressure unit in example 1 (the filter element and the pressure unit are connected in a welding manner).
Fig. 6 is a schematic structural view 1 of the pressure unit in embodiment 1.
Fig. 7 is a schematic structural view 2 of the pressure unit in embodiment 1.
Fig. 8 is a schematic structural view 3 of the pressure unit in embodiment 1.
Fig. 9 is a schematic structural view 4 of the pressure unit in embodiment 1.
Fig. 10 is a schematic structural view of a water supply apparatus in embodiment 1.
In the figure: 1. a filter element; 11. filtering the space; 14. a first connection portion; 141. a first communication hole; 142. a first internal thread; 143. a first clamping part; 15. an activated carbon rod filter element;
2. a pressure unit; 21. a water storage space, 211, a transition space; 22. a pressure space; 23. a first partition; 231. an air bag; 24. a second partition part; 241. an elastic portion; 25. a second connecting portion; 252. a second communication hole; 253. a second external thread; 254. a second clamping part; 26. air holes; 27. a housing; 271. reinforcing ribs;
31. a water inlet; 32. a water outlet; 33. welding; 34. fastening joint
4. A raw water extraction device;
5. a first solenoid valve; 52. a second solenoid valve;
6. booster pump
7. A first three-way valve, 72, a second three-way valve;
8. a first filtration unit; 81. a reverse osmosis membrane;
9. a first check valve;
10. a high-voltage switch.
Detailed Description
The utility model will be further illustrated with reference to specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
The filter element 1 referred to in this patent is a generic term for a member having a filtering function, and includes, but is not limited to, a filter flask, a filter member (e.g., an activated carbon rod filter element 15, a reverse osmosis membrane 81, etc.), and other support members.
Referring to fig. 1 to 10, embodiment 1, this embodiment 1 provides a filter cartridge and pressure unit integrated filter device, including a filter cartridge 1 and a pressure unit 2, where the filter cartridge 1 and the pressure unit 2 are connected to form an integrated filter device.
By "the filter element 1 and the pressure unit 2 are integrally connected" it is meant that the filter element 1 and the pressure unit 2 are connected together, i.e. the filter element 1 and the pressure unit 2 are integrated, no additional connecting parts, such as pipe connectors, pipelines, etc., are needed between the filter element 1 and the pressure unit 2, the filtering space 11 of the filter element 1 is communicated with the water storage space 21 of the pressure unit 2, and as long as water enters the filtering space 11 and/or the water storage space 21, the operations of filtering and increasing the water storage for the water storage space 21 of the pressure unit 2 can be completed. This filter core and pressure unit integration filter equipment because of the integrated design, can be more miniaturized, and the rational utilization space, occupation space is littleer because of having left out and needing extra connecting piece (such as pipe connector, pipeline etc.), practices thrift the cost, also can avoid through the secondary pollution that extra connecting piece produced and reduce the possibility of leaking.
A filtering space 11 for filtering water in the filter element 1; the pressure unit 2 comprises a water storage space 21 for storing water and pressurizing and a pressure space 22 for providing pressure to the water storage space 21; the filtering space 11 is communicated with the water storage space 21.
Preferably, the power of the water source flowing out of the pressure unit in the water storage space 21 (i.e. the water supply power) comes from the air power provided by the pressure space 22, or comes from the spring power provided by the pressure space 22, or comes from the water pressure power provided by the pressure difference between the water storage space 21 and the outside.
The water delivery power refers to the power or pressure of the water in the water storage space 21 flowing out of the pressure unit 2, such as the pressure provided by the pressure space 22 in the pressure unit 2 to the water storage space, which helps the water in the water storage space 21 to flow out of the pressure unit 2. For example, a pressure difference between the water pressure in the water storage space 21 and the external water pressure is utilized, and the pressure difference helps the water in the water storage space 21 to flow out of the pressure unit 2. The pressure space 22 in the pressure unit 2 supplies pressure to the water storage space 21 in three modes, i.e., an air mode, a spring mode, and a water pressure mode.
The air type is that the pressure space 22 is communicated with the atmosphere or an air charging device, and the pressure inside the pressure space 22 is adjusted by the atmospheric pressure or by adjusting the gas pressure inside the pressure space 22, so as to achieve the purpose of adjusting the pressure force provided by the pressure space 22 to the water storage space 21.
The spring type is to arrange a spring member in the pressure space 22 to adjust the pressure inside the pressure space 22, so as to adjust the pressure of the pressure space 22 to the water storage space 21.
The water pressure mode is a mode in which water in the water storage space 21 flows out of the pressure unit by using a pressure difference generated by the fact that the water pressure of the water storage space 21 is greater than the external water pressure.
The integrated filter device is provided with a water inlet 31 for feeding water into the filter space 11 and/or the water storage space 21 and a water outlet 32 for discharging liquid from the filter space 11 and/or the water storage space 21.
The water storage space 21 increases its internal water source with the increase of its internal pressure, the pressure space 22 is squeezed, for example, by the first partition 23 and/or the second partition 24, after the pressure in the pressure space 22 increases, when the pressure in the water storage space 21 and the pressure space 22 reach a pressure balance, water is stopped from entering the water storage space 21 until the pressure of the water inlet 31 decreases, that is, the pressure difference between the water inlet 31 and the water outlet 32 is smaller than the pressure value of the water storage space 21, the water source in the water storage space 21 flows out of the integrated filtering apparatus through the water inlet 31 and/or the water outlet 32, at this time, the pressure space 22 applies pressure to the water storage space 21, that is, the water storage space 21 is compressed by the first partition 23 and/or the second partition 24, so as to help the water source in the water storage space 21 to discharge the integrated filtering apparatus, until the pressure in the water storage space 21 and the pressure space 22 reach a pressure balance, the water storage space 21 stops the water discharge. Preferably, in the water inlet and/or outlet process, the water source in the water storage space 21 is filtered by the filter element 1, so as to further improve the quality of the water source in the water storage space 21, such as sterilization, taste improvement, particle reduction and other water purification effects.
The filter element 1 and the pressure unit 2 are connected in a clamping mode or in a threaded mode or in a welding mode. At this time, the bottom of the filter element 1 is provided with a first connecting part 14, the top of the pressure unit 2 is provided with a second connecting part 25, and the first connecting part 14 is connected with the second connecting part 25 and the two are communicated with each other.
The first connecting part 14 is positioned in the middle of the bottom of the filter element 1 and is provided with a first concave through hole 141, and the inner side wall of the first through hole 141 is provided with a first internal thread 142 or a first clamping part 143; the second connecting portion 25 is located at the middle position of the top of the pressure unit 2 and is in a convex shape, a second communication hole 252 is formed in the second connecting portion 25, a second external thread 253 or a second clamping portion 254 is arranged on the outer side wall of the second connecting portion 25, the first internal thread 142 is connected with the second external thread 253, see fig. 1 and fig. 2, or the first clamping portion 143 is connected with the second clamping portion 254, see fig. 3, wherein the first clamping portion 143 and the second clamping portion 254 form a clamping structure at the clamping connection part 34; at this time, the first communication hole 141 may be protruded, and the first communication hole 141 may be inserted into the second communication hole 252, so as to further improve the sealing performance after the first connection portion 14 and the second connection portion 25 are connected.
So be convenient for filter core 1 and pressure unit 2 both quick connect, production machining efficiency is high, and the integration filter equipment appearance after connecting simultaneously is pleasing to the eye, and in order to improve the leakproofness, when first connecting portion 14 and second connecting portion 25 pass through screw thread or joint mode and connect, can also add the sealing washer between the two.
Optionally, the first connecting portion 14 and the second connecting portion 25 are welded, as shown in fig. 4, and it is preferable that the first connecting portion 14 and the second connecting portion 25 have the same shape and/or match, and the communication channel between the first connecting portion 14 and the second connecting portion 25 is maximized as much as possible by welding the edges of the two connecting portions (see the welding 33 in fig. 4), so as to maximize the water flowing speed of the filtering space and the water storage space; in addition, the shell 27 of the pressure unit for forming the water storage space and/or the pressure space is provided with a reinforcing rib 271, which helps to enhance the control effect of the pressure unit on the internal pressure of the pressure unit and ensures the use safety.
In fig. 1, 3 and 4, the filtering space is a filtering member for filtering water, such as an activated carbon rod, and the filtering member may be added according to actual conditions, or the filtering member (i.e., the activated carbon rod filter element 15) of the activated carbon rod may be installed with reference to fig. 5.
The internal structure of the pressure unit 22 can also adopt various forms, and the water storage space 21 and the pressure space 22 are separated by a first separating part 23 which can be elastically changed and/or a movable second separating part 24; the first partition part 23 is a rubber sheet/silica gel sheet, and the periphery of the rubber sheet/silica gel sheet is hermetically connected with the inner side wall of the shell corresponding to the pressure space 22; and/or the second partition part 24 is a partition plate, the periphery of the partition plate is hermetically connected with the inner side wall of the shell corresponding to the pressure space 22, and the partition plate moves in the pressure space 22 through the elastic part 241; for example, in fig. 6, the first partition 23 is a rubber sheet/silicone sheet; in fig. 7, the first separating part 23 is a rubber sheet/silicone sheet, the second separating part 24 is a separating plate, and the elastic part 241 is a spring; in fig. 8, only the second partition 24 is a partition plate, the partition plate can slide in a sealed state with the inner side wall of the casing corresponding to the pressure space, and the elastic part 241 is an elastic ball; in fig. 9, only the second partition 24 is a partition plate, the partition plate can slide in a sealed state with respect to the inner wall of the casing corresponding to the pressure space, and the elastic portion 241 is a spring. That is to say, the rubber sheet/silicon sheet and the elastic part 241 can be used in combination, so as to further increase the elastic pressure and increase the pressure support of the pressure space 22 to the water storage space 21.
Or the water storage space 21 and the pressure space 22 are separated by a first separating part 23 which can be elastically changed and/or a movable second separating part 24; the first separating part 23 is a rubber sheet/silicon sheet, the rubber sheet/silicon sheet and the elastic air bag 231 form a pressure space 22, the elastic air bag 231 is connected with the outside through the air hole 26, and the periphery of the rubber sheet/silicon sheet is hermetically connected with the inner side wall of the pressure space 22 corresponding to the elastic air bag 231.
Alternatively, when the first partition 23 is a rubber/silicone sheet, the pressure space 22 is provided with an air hole 26, and the air hole 26 is preferably provided on a housing 27 of the pressure unit 2 to communicate the pressure space 22 with an external space.
A transition space 211 may be further added between the filtering space 11 and the water storage space 21, and the transition space 211 may increase the size of the water storage space 21 in a phase-changing manner, so as to increase the water storage capacity of the water storage space 21, as shown in fig. 5.
The sewage area 13 is additionally provided with a sewage outlet (not marked or shown in the attached drawing) so as to facilitate the filter element to continuously filter a water source and discharge sewage.
In addition, referring to fig. 10, a water supply apparatus including the above-described filter cartridge and pressure unit integrated filter apparatus includes a raw water extraction apparatus 4, a wastewater extraction apparatus, a pure water extraction apparatus, a first electromagnetic valve 5, a booster pump 6, a first secondary filter unit 8, a first three-way valve 7, a high-pressure switch 10, a second three-way valve 72, a first check valve 9, a second electromagnetic valve 52, a digital time relay, and a delay time relay; the reverse osmosis membrane 81 is preferably used in the first filtering unit 8. The first partition 23 is exemplified by a rubber sheet/silicone sheet.
The water outlet end of the raw water leading-out device 4 is connected with the water inlet end of a first electromagnetic valve 5, the water outlet end of the first electromagnetic valve 5 is connected with the water inlet end of a booster pump 6, the water outlet end of the booster pump 6 is connected with one end of a first three-way valve 7, the other end of the first three-way valve 7 is connected with the water inlet end of a first filtering unit 8, the wastewater end of the first filtering unit 8 is connected with the wastewater leading-out end to discharge wastewater, the pure water end of the first filtering unit 8 is connected with one end of a high-pressure switch 10, the other end of the high-pressure switch 10 is connected with the water inlet 31 of the integrated filtering device, the water outlet 32 of the integrated filtering device is connected with one end of a second three-way valve 72, the other end of the second three-way valve 72 is connected with the pure water leading-out device, the middle end of the second three-way valve 72 is connected with the water inlet end of a first one-way valve 9, the water outlet end of the first one-way valve 9 is connected with the water inlet end of a second electromagnetic valve 52, and the water outlet end of the second electromagnetic valve 52 is connected with the middle end of the first three-way valve 7;
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a filter core and pressure unit integration filter equipment, includes filter core (1) and pressure unit (2), its characterized in that: the filter element (1) and the pressure unit (2) are connected into a whole to form an integrated filtering device.
2. A filter cartridge and pressure unit integrated filter apparatus as claimed in claim 1, wherein: a filtering space (11) for filtering water in the filter element (1); the pressure unit (2) comprises a water storage space (21) for storing water and pressurizing and a pressure space (22) for providing pressure for the water storage space (21); the filtering space (11) is communicated with the water storage space (21).
3. A filter cartridge and pressure unit integrated filter apparatus as claimed in claim 2, wherein: the power of the water source flowing out of the pressure unit in the water storage space (21) comes from air power provided by the pressure space (22), or from spring power provided by the pressure space (22), or from hydraulic power provided by the pressure difference between the water storage space and the outside.
4. A filter cartridge and pressure unit integrated filter apparatus as claimed in claim 3, wherein: the integrated filter device is provided with a water inlet (31) for feeding water into the filter space (11) and/or the water storage space (21), and a water outlet (32) for discharging liquid from the filter space (11) and/or the water storage space (21).
5. A filter cartridge and pressure unit integrated filter device according to any one of claims 2 to 4, wherein: the filter element (1) and the pressure unit (2) are connected in a clamping mode or in a threaded mode or in a welding mode.
6. A filter cartridge and pressure unit integrated filter apparatus as claimed in claim 5, wherein: the bottom of the filter element (1) is provided with a first connecting part (14), the top of the pressure unit (2) is provided with a second connecting part (25), and the first connecting part (14) is connected with the second connecting part (25) and communicated with the inside of the first connecting part and the second connecting part;
the first connecting part (14) is provided with a concave first connecting hole (141) in the middle of the bottom of the filter element (1), and the inner side wall of the first connecting hole (141) is provided with a first internal thread (142) or a first clamping part (143); the second connecting part (25) is positioned in the middle of the top of the pressure unit (2) and is in a convex shape, a second communicating hole (252) is formed in the second connecting part (25), a second external thread (253) or a second clamping part (254) is arranged on the outer side wall of the second connecting part (25), and the first internal thread (142) is connected with the second external thread (253) or the first clamping part (143) is connected with the second clamping part (254);
or the first connecting part (14) and the second connecting part (25) are connected by welding.
7. A filter cartridge and pressure unit integrated filter arrangement according to claim 6, wherein: the water storage space (21) and the pressure space (22) are separated by a first separating part (23) which can be elastically changed and/or a movable second separating part (24); the first separating part (23) is a rubber sheet/silica gel sheet, and the periphery of the rubber sheet/silica gel sheet is hermetically connected to the inner side wall of the shell corresponding to the pressure space (22); and/or the second partition part (24) is a partition plate, the periphery of the partition plate is hermetically connected to the inner side wall of the shell corresponding to the pressure space (22), and the partition plate moves in the pressure space (22) through an elastic part (241).
8. A filter cartridge and pressure unit integrated filter arrangement according to claim 6, wherein: the water storage space (21) and the pressure space (22) are separated by a first separating part (23) which can be elastically changed and/or a movable second separating part (24); the first separating part (23) is a rubber sheet/silica gel sheet, the rubber sheet/silica gel sheet and the elastic air bag (231) form a pressure space (22), the elastic air bag (231) is connected with the outside through an air hole (26), and the periphery of the rubber sheet/silica gel sheet is hermetically connected with the inner side wall of the pressure space (22) corresponding to the elastic air bag (231).
9. A filter cartridge and pressure unit integrated filter apparatus as claimed in claim 7 or 8, wherein: the pressure space (22) is provided with an air hole (26); a transition space (211) can be additionally arranged between the filtering space (11) and the water storage space (21).
10. A water supply device comprising the filter cartridge and pressure unit integrated filter device as claimed in claim 9, wherein: the water supply device comprises a raw water leading-out device (4), a waste water leading-out device, a pure water leading-out device, a first electromagnetic valve (5), a booster pump (6), a first filtering unit (8), a first three-way valve (7), a high-pressure switch (10), a second three-way valve (72), a first one-way valve (9), a second electromagnetic valve (52), a digital time relay and a delay time relay;
the water outlet end of the raw water leading-out device (4) is connected with the water inlet end of a first electromagnetic valve (5), the water outlet end of the first electromagnetic valve (5) is connected with the water inlet end of a booster pump (6), the water outlet end of the booster pump (6) is connected with one end of a first three-way valve (7), the other end of the first three-way valve (7) is connected with the water inlet end of a first filtering unit (8), the waste water end of the first filtering unit (8) is connected with the waste water leading-out end to discharge waste water, the pure water end of the first filtering unit (8) is connected with one end of a high-pressure switch (10), the other end of the high-pressure switch (10) is connected with the water inlet (31) of the integrated filtering device, the water outlet (32) of the integrated filtering device is connected with one end of a second three-way valve (72), the other end of the second three-way valve (72) is connected with the pure water leading-out device, the middle end of the second three-way valve (72) is connected with the water inlet end of a first one-way valve (9), the water outlet end of the first one-way valve (9) is connected with the water inlet end of a second electromagnetic valve (52), the water outlet end of the second electromagnetic valve (52) is connected with the middle end of the first three-way valve (7);
high voltage switch (10), digital time relay and delay time relay constitute control circuit with first solenoid valve (5), second solenoid valve (52), and when control was started again after setting for down time, the TDS value of the end of intaking of first filter unit (8) and waste water end all was the same with the TDS value of the pure water end of first filter unit (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121044369.4U CN215352200U (en) | 2021-05-17 | 2021-05-17 | Filter core and pressure unit integrated filter device and water supply device comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121044369.4U CN215352200U (en) | 2021-05-17 | 2021-05-17 | Filter core and pressure unit integrated filter device and water supply device comprising same |
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| CN215352200U true CN215352200U (en) | 2021-12-31 |
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| CN202121044369.4U Active CN215352200U (en) | 2021-05-17 | 2021-05-17 | Filter core and pressure unit integrated filter device and water supply device comprising same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113069804A (en) * | 2021-05-17 | 2021-07-06 | 韩佳（上海）环保设备有限公司 | Filter core and pressure unit integrated filter device and water supply device comprising same |
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2021
- 2021-05-17 CN CN202121044369.4U patent/CN215352200U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113069804A (en) * | 2021-05-17 | 2021-07-06 | 韩佳（上海）环保设备有限公司 | Filter core and pressure unit integrated filter device and water supply device comprising same |
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