CN107143000B - Intelligent water quality control non-negative pressure water supply equipment and water supply method thereof - Google Patents

Intelligent water quality control non-negative pressure water supply equipment and water supply method thereof Download PDF

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CN107143000B
CN107143000B CN201710487142.9A CN201710487142A CN107143000B CN 107143000 B CN107143000 B CN 107143000B CN 201710487142 A CN201710487142 A CN 201710487142A CN 107143000 B CN107143000 B CN 107143000B
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water
water supply
filter
main
negative pressure
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CN107143000A (en
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张明亮
王学成
谢雄
徐耀宇
程常鹏
崔新光
秦汉东
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Qingdao Sanli Zhongdemei Water Equipment Co Ltd
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Qingdao Sanli Zhongdemei Water Equipment Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/04Domestic or like local pipe systems
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B11/00Arrangements or adaptations of tanks for water supply
    • E03B11/02Arrangements or adaptations of tanks for water supply for domestic or like local water supply
    • E03B11/06Arrangements or adaptations of tanks for water supply for domestic or like local water supply with air regulators
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/07Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/074Arrangement of water treatment devices
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/152Water filtration

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Structural Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

The invention discloses intelligent water quality regulation and control non-negative pressure water supply equipment and a water supply method thereof. Intelligence quality of water regulation and control no negative pressure water supply equipment, including no negative pressure water supply module and leading filtration module, no negative pressure water supply module is including connecting gradually the main inlet tube that constitutes the main water route, main working shaft and main outlet pipe, leading filtration module is including connecting gradually the preliminary filtering component and the safety filter that constitute the filtration water route, preliminary filtering component is including connecting the many medium filter on filtering the water route, activated carbon filter and water softener, be connected with the salt case on the water softener, many medium filter, activated carbon filter and water softener optional intercommunication filtration water route respectively, safety filter connects main inlet tube, intelligence quality of water regulation and control no negative pressure water supply equipment still includes the water quality monitoring module, the water quality monitoring module is including connecting the first water quality sensor in main water route. Realize intelligent water quality regulation and control no negative pressure water supply equipment automatically regulated quality of water, realize the function pluralism in order to improve user experience nature.

Description

Intelligent water quality regulation and control non-negative pressure water supply equipment and water supply method thereof
Technical Field
The invention relates to the technical field of water supply equipment, in particular to intelligent water quality regulation and control non-negative pressure water supply equipment and a water supply method thereof.
Background
At present, water supply equipment is widely applied to daily life and industrial production of people, and the water supply equipment in the prior art generally comprises a main water inlet pipe, a water pump, a main water outlet pipe, an electric control device and other components, wherein the main water inlet pipe is used for being connected with a municipal pipe network to introduce tap water, the main water inlet pipe is connected with the water pump, a water outlet port of the water pump is connected with the main water outlet pipe, the main water outlet pipe is connected with a user pipeline, and the electric control device is used for controlling the water pump to work. However, the water quality of the municipal pipe network is affected by seasons and external environmental factors, and the water quality of the water conveyed by the municipal pipe network is not up to standard. The invention aims to solve the technical problem of how to design water supply equipment capable of automatically adjusting water quality to improve user experience.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the intelligent water quality regulation and control non-negative pressure water supply equipment and the water supply method thereof are provided, the automatic water quality regulation of the intelligent water quality regulation and control non-negative pressure water supply equipment is realized, and the function diversification is realized so as to improve the user experience.
The invention provides technical scheme that the intelligent water quality regulation and control non-negative-pressure water supply equipment comprises a non-negative-pressure water supply module, wherein the non-negative-pressure water supply module comprises a main water inlet pipe, a main water supply pump and a main water outlet pipe which are sequentially connected to form a main water path, the front-mounted filtering module comprises a pre-filtering assembly and a main valve which are sequentially connected to form a filtering water path, the pre-filtering assembly comprises a multi-medium filter, an active carbon filter and a water softener which are connected to the filtering water path, a salt tank is connected to the water softener, the multi-medium filter, the active carbon filter and the water softener are respectively and selectively communicated with the filtering water path, the main valve is connected with the main water inlet pipe, the intelligent water quality regulation and control non-negative-pressure water supply equipment further comprises a water quality monitoring module, and the water quality monitoring module comprises a first water quality sensor connected to the main water path.
Furthermore, the multi-media filter, the activated carbon filter and the water softener are respectively connected to the filtering water path through corresponding valve components, each valve component comprises a first valve and two second valves, the first valves are connected in series to the filtering water path, two ports of the first valves are respectively connected to the corresponding second valves, and the multi-media filter and the activated carbon filter are respectively connected to the corresponding valve components between the two second valves.
Furthermore, the pre-filter module further comprises a safety filter connected in parallel to the main valve, and two ports of the safety filter are correspondingly connected with two ports of the main valve through control valves.
Further, still include straight drinking water module, straight drinking water module is including connecting gradually the first water pump, filter membrane subassembly and the water purification case that constitute straight drinking water route, first water pump is connected the safety filter ware.
Furthermore, a water outlet of the water purification tank is connected with a second water pump, and an ultraviolet sterilizer is arranged on a pipeline between the second water pump and the water purification tank.
Furthermore, a first bypass pipe is connected between the water inlet of the main water outlet pipe and the water outlet of the first water pump, a second bypass pipe is connected between the water outlet of the main water inlet pipe and the water inlet of the first water pump, a first electric control valve is arranged on the first bypass pipe, and a second electric control valve is arranged on the second bypass pipe.
Furthermore, the filter membrane component is a reverse osmosis membrane component, an ultrafiltration membrane component or a nanofiltration membrane component.
The invention also provides a water supply method of the intelligent water quality regulation and control non-negative-pressure water supply equipment, which is characterized by comprising a conventional water supply mode and a water quality regulation and supply mode;
the normal water supply mode: water output by the municipal pipe network enters the pre-filtering module, passes through the pre-filtering assembly and enters the non-negative pressure water supply module through the security filter;
the water quality adjusting and supplying mode comprises the following steps: under the conventional water supply mode, when the quality of water that first water quality sensor detected does not reach standard, the water of municipal pipe network output is carried out filtration treatment through prefiltering subassembly earlier, enters into no negative pressure water supply module again.
Further, the water quality adjusting water supply mode specifically comprises:
when the water impurities detected by the first water quality sensor exceed the standard, the water is filtered by the multi-media filter;
and/or when the water detected by the first water quality sensor has peculiar smell and different color, filtering the water by an activated carbon filter;
and/or when the hardness or heavy metal content of the water detected by the first water quality sensor exceeds the standard, filtering the water by using a water softener.
Further, the water supply method further comprises a direct drinking water supply mode, wherein the direct drinking water supply mode comprises the following steps: water output by the municipal pipe network is filtered by the pre-filtering component, and then is treated by the security filter and enters the filter membrane component through the first water pump to be treated to obtain direct drinking water.
Further, the water supply method further comprises an energy-saving water supply mode, in the energy-saving water supply mode, when the total water consumption of the user side is lower than a set value, the main water supply pump stops running, water introduced by the main water inlet pipe is conveyed to the first water pump through the second bypass pipe, and is pressurized by the first water pump and then conveyed to the main water outlet pipe through the first bypass pipe.
Compared with the prior art, the invention has the advantages and positive effects that: according to the intelligent water quality regulation and control non-negative-pressure water supply equipment and the water supply method thereof, the pre-filtering module is arranged on the water inlet side of the non-negative-pressure water supply module, the first water quality sensor is arranged in the non-negative-pressure water supply module, and in the non-negative-pressure water supply process, when the first water quality sensor detects that the water quality does not reach the standard, the multi-medium filter, the activated carbon filter and the water softener in the pre-filtering module can be selectively communicated with the filtering waterway to treat water, so that the water quality entering the non-negative-pressure water supply module reaches the standard, the effect of automatically regulating the water quality is achieved, the intelligent water quality regulation and control non-negative-pressure water supply equipment automatically regulates the water quality, and the function diversification is achieved to improve the user experience.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a first schematic diagram of a pipeline arrangement of an embodiment of an intelligent water quality control non-negative pressure water supply device of the invention;
fig. 2 is a schematic diagram of a pipeline arrangement in an embodiment of the intelligent water quality control non-negative pressure water supply device of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, no negative pressure water supply equipment of this embodiment intelligence quality of water regulation and control, including no negative pressure water supply module 100 and leading filtration module 200, no negative pressure water supply module 100 is including connecting gradually main inlet tube 11, main working shaft 12 and the main outlet pipe 13 that constitutes main water route, leading filtration module 200 is including connecting gradually prefiltering subassembly 21 and the main valve 20 that constitutes the filtration water route, prefiltering subassembly 21 is including connecting filter many medium filter 211 on the water route, activated carbon filter 212 and water softener 213, be connected with salt box (unmarked) on the water softener 213, many medium filter 211 activated carbon filter 212 with water softener 213 is optional intercommunication respectively the filtration water route, main valve 20 is connected main inlet tube 11, no negative pressure water supply equipment of intelligence quality of water regulation and control still includes the water quality monitoring module, the water quality monitoring module is including connecting first water quality sensor 101 in the main water route.
Specifically, in the intelligent water quality control non-negative pressure water supply device of this embodiment, the pre-filter module 200 is disposed on the water inlet side of the non-negative pressure water supply module 100, wherein the multi-media filter 211, the activated carbon filter 212, and the water softener 213 in the pre-filter module 200 can be selectively communicated with the water pipe of the filtering water path, so that different water treatment devices can be selected to treat water according to water quality, specifically, the first water quality sensor 101 disposed on the main water path formed in the non-negative pressure water supply module 100 can detect the water quality condition of water conveyed in the non-negative pressure water supply module 100, and when the first water quality sensor 101 detects that the water quality is reduced, the multi-media filter 211, the activated carbon filter 212, and/or the water softener 213 is correspondingly selected to communicate with the water pipe of the filtering water path to treat water according to the water quality condition. In addition, in order to better optimize the water quality to meet higher water quality requirements, the pre-filter module 200 further includes a safety filter 22 connected in parallel to the main valve 20, two ports of the safety filter 22 are correspondingly connected to two ports of the main valve 20 through control valves, and water output from the pre-filter assembly 21 may directly enter the non-negative pressure water supply module 100 through the main valve 20 as required, or the main valve 20 is closed, and water output from the pre-filter assembly 21 is processed by the safety filter 22 and then enters the non-negative pressure water supply module 100.
Preferably, different water treatment devices in the pre-filtering assembly 21 are conveniently controlled to participate in the operation, the multi-media filter 211, the activated carbon filter 212 and the water softener 213 are respectively connected to the filtering water path through corresponding valve assemblies, each valve assembly comprises a first valve 201 and two second valves 202, the first valve 201 is connected in series to the water pipe of the filtering water path, two ports of the first valve 201 are respectively connected to the corresponding second valves 202, and the multi-media filter 211, the activated carbon filter 212 and the water softener 213 are respectively connected between the two corresponding second valves 202 of the corresponding valve assemblies. Specifically, the multi-media filter 211, the activated carbon filter 212 and the water softener 213 are respectively controlled by corresponding valve assemblies, and water is selectively filtered by the multi-media filter 211 and the activated carbon filter 212 according to needs, so that when a certain index of water quality is detected to be not up to standard, the filter for drinking can be selected to be treated, and water can be quickly adjusted. When the water quality meets the requirement, the second valve 202 can be closed, and only the first valve 201 is opened to realize the water supply in the conventional sense.
Further, for the function of better abundant this embodiment intelligence quality of water regulation and control no negative pressure water supply equipment, improve user's experience, this embodiment intelligence quality of water regulation and control no negative pressure water supply equipment still includes straight drinking water module 300, straight drinking water module 300 is including connecting gradually first water pump 31, filter membrane module 32 and the clean water tank 33 that constitutes straight drinking water route, first water pump 31 connects safety filter 22. Specifically, the water that municipal pipe network carried, after leading filtration module 200 and straight drinking water module 300 are handled, realize the confession of straight drinking water, the water of municipal pipe network output is through the filtration treatment of prefiltering subassembly 21 and safety filter 22 in leading filtration module 200, rethread first water pump 31 pressurizes the back and obtains straight drinking water through the processing of filter membrane module 32, the straight drinking water pipe of user's end in the district can be connected to the straight drinking water of water purification case 33 output, in order to realize supplying with straight drinking water to the user. The filter membrane assembly 32 can be an ultrafiltration membrane assembly, a nanofiltration membrane assembly or a reverse osmosis membrane assembly, the water outlet of the purified water tank 33 is connected with a second water pump 35, and an ultraviolet sterilizer 34 is arranged on a pipeline between the second water pump 35 and the purified water tank 33. Specifically, the water output from the filter membrane module 32 is stored in the purified water tank 33 for users, and the water in the purified water tank 33 can be pressurized and conveyed to the user side direct drinking water pipe through the second water pump 35, so that the water can be distributed to different users, and the ultraviolet sterilizer 34 can sterilize the water output from the purified water tank 33 as required, so as to improve the quality of the direct drinking water. Preferably, the water quality monitoring module further comprises various sensors for detecting the water quality of the direct drinking water channel in the pre-filtering module 200 and the direct drinking water module 300, such as a PH/ORP sensor, a conductivity sensor, a turbidity sensor, a dissolved oxygen sensor, a residual chlorine sensor, a COD sensor, a salinity sensor, an ammonia nitrogen sensor and the like, and the related sensors are arranged at specific positions of the filtering water channel, so that when the water treatment effect at the corresponding positions does not reach the standard, a worker can be timely informed to timely and accurately overhaul the equipment at the specific positions.
Furthermore, in order to reduce the energy consumption of the intelligent water quality control non-negative pressure water supply device of the embodiment, a first bypass pipe 301 is further connected between the water inlet of the main water outlet pipe 13 and the water outlet of the first water pump 31, a second bypass pipe 302 is further connected between the water outlet of the main water inlet pipe 11 and the water inlet of the first water pump 31, a first electric control valve is arranged on the first bypass pipe 301, and a second electric control valve is arranged on the second bypass pipe 302. Specifically, in the actual use process, the main water supply pump 12 in the conventional non-negative pressure water supply device needs to operate continuously for 24 hours, and in the case that the water consumption of the user is greatly reduced at night, the non-negative pressure water supply device keeps the operating state consistently and consumes a large amount of electric energy, while in the case that the water consumption of the user is low, the main water supply pump 12 in the non-negative pressure water supply module 100 is powered off and stops working, at this time, the second electric control valve is opened, the first water pump 31 is powered on and operates, water output by the main water inlet pipe 11 enters the first water pump 31 through the steady flow compensator 14, is pressurized by the first water pump 31 and then is conveyed to the main water outlet pipe 13 through the second bypass pipe 302, and therefore the water supply requirement of the user under the condition of low water consumption is met. And about the size of user's water consumption, can monitor through flow monitoring equipment, when user's living water consumption is few, preferentially open first water pump 31 and supply water, when first water pump 31 water supply volume can not satisfy the user's demand, open main water supply pump 12 again to play energy-conserving effect.
Still further, in order to fully utilize the wastewater generated by the direct drinking water treatment module 200, the intelligent water quality control non-negative pressure water supply equipment of the embodiment further comprises a concentrated water collection tank 401 and a flushing water collection tank 402, wherein a wastewater discharge port of the filter membrane module 32 is connected with the concentrated water collection tank 401, and backwash water discharge ports of the pre-filter module 21 and the cartridge filter 22 are connected with the flushing water collection tank 402. Specifically, in the process of treating water conveyed by a municipal pipe network to form direct drinking water, the water which is filtered by the pre-filtering component 21 and the security filter 22 and conveyed by the municipal pipe network enters the filter membrane component 32, part of the water entering the filter membrane component 32 forms direct drinking water and is conveyed to the purified water tank 33, ions, organic matters, bacteria, viruses and the like which are intercepted on the water inlet side of the membrane form concentrated water along with the rest water and form a wastewater outlet of the filter membrane component 32, the wastewater collected by the concentrated water collecting tank 401 is only water which has higher hardness and turbidity and cannot meet the requirements of domestic water of users, however, the concentrated water is beneficial to plant growth due to the organic matters and inorganic salts contained in the concentrated water, and the concentrated water collected by the concentrated water collecting tank 401 can be used for irrigation of plants in small areas; the backwashing water generated when the pre-filtering component 21 and the security filter 22 are backwashed can not be used for irrigating plants due to the fact that the backwashing water contains medicament and the PH value exceeds the standard, the backwashing water can be collected by the flushing water collecting box 402, and the water in the flushing water collecting box 402 can be used as flushing water of public toilets in a community. Compare direct drinking water equipment in prior art directly arranges waste water outward, and the water resource that utilizes that this embodiment intelligence quality of water regulation and control no negative pressure water supply equipment can the maximize reduces extravagantly, realizes green.
The invention also provides a water supply method of the intelligent water quality regulation non-negative pressure water supply equipment, which comprises a conventional water supply mode and a water quality regulation water supply mode;
the normal water supply mode: water output by the municipal pipe network enters the pre-filtering module, passes through the pre-filtering assembly and enters the non-negative pressure water supply module through the security filter. Specifically, when the water quality conveyed by the municipal pipe network meets the requirement, the water is not treated by the pre-filtering assembly and enters the non-negative-pressure water supply module through the security filter.
The water quality adjusting and supplying mode comprises the following steps: under the conventional water supply mode, when the quality of water that first quality of water sensor detected does not reach standard, the water of municipal pipe net output carries out filtration treatment through prefiltering the subassembly earlier, enters into no negative pressure water supply module again. It is specific, water in the municipal pipe network receives the season, the influence of factors such as environment, different periods, quality of water in the municipal pipe network can be different, after the quality of water decline of municipal pipe network, this quality of water that will lead to user's domestic water descends, in order to ensure that the quality of water of user domestic water keeps higher level, with the improvement user experience nature, under the conventional water supply mode, the quality of water that detects at first water quality sensor does not reach standard, then the water of municipal pipe network output will be handled through prefiltering assembly, thereby obtain the water source of higher quality of water, alright in order to effectively adjust the quality of water of user domestic water like this, thereby make the function diversification of this embodiment intelligence quality of water regulation and control no negative pressure water supply equipment, the commonality is stronger. Wherein, water quality regulation water supply mode specifically is: when the water impurities detected by the first water quality sensor exceed the standard, water is filtered by the multi-media filter; and/or when the water detected by the first water quality sensor has peculiar smell and different colors, filtering the water by an activated carbon filter; and/or when the hardness or the heavy metal content of the water detected by the first water quality sensor exceeds the standard, filtering the water by a water softener.
Further, the water supply method further comprises a direct drinking water supply mode, wherein the direct drinking water supply mode comprises the following steps: the water treated by the cartridge filter is pressurized by a first water pump and enters the filter membrane component to be treated to obtain direct drinking water.
Furthermore, the water supply method further comprises an energy-saving water supply mode, wherein in the energy-saving water supply mode, when the total water consumption of the user side is lower than a set value, the main water supply pump stops running, water introduced by the main water inlet pipe is conveyed to the first water pump through the second bypass pipe, and then is pressurized by the first water pump and conveyed to the main water outlet pipe through the first bypass pipe. Specifically, at no negative pressure water supply module operation in-process, main water supply pump is in order to provide enough big water pressure, main water supply pump's power is great to lead to power consumption great, however, at the night stage, user's water consumption is few, at this moment, energy-conserving water supply mode starts, main water supply pump stall, and utilize the water pressurization of the leading-in of main inlet tube of first water pump as power in the straight water supply module to carry to the user end, and like this, can be under the less circumstances of water consumption, the energy consumption of effectual reduction equipment, realize green low carbon operation.
Compared with the prior art, the invention has the advantages and positive effects that: the invention provides intelligent water quality regulation non-negative pressure water supply equipment and a water supply method thereof.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (7)

1. The utility model provides an intelligence water quality control no negative pressure water supply equipment, includes no negative pressure water supply module, no negative pressure water supply module is including connecting gradually main inlet tube, main working pump and the main outlet pipe that constitutes main water route, its characterized in that still includes leading filtration module, leading filtration module is including connecting gradually and constitutes the prefiltration subassembly and the main valve door that filter the water route, prefiltration subassembly is including connecting many medium filter, active carbon filter and the water softener on filtering the water route, be connected with the salt case on the water softener, many medium filter, active carbon filter and water softener respectively the alternative intercommunication filter the water route, the main valve door is connected main inlet tube, intelligence water quality control no negative pressure water supply equipment still includes the water quality monitoring module, the water quality monitoring module is including connecting the first water quality sensor in main water route;
the pre-filter module further comprises a security filter connected to the main valve in parallel, and two ports of the security filter are correspondingly connected with two ports of the main valve through control valves;
the intelligent water quality control non-negative pressure water supply equipment further comprises a direct drinking water module, wherein the direct drinking water module comprises a first water pump, a filter membrane assembly and a purified water tank which are sequentially connected to form a direct drinking water channel, and the first water pump is connected with the security filter;
in addition, a first bypass pipe is connected between the water inlet of the main water outlet pipe and the water outlet of the first water pump, a second bypass pipe is connected between the water outlet of the main water inlet pipe and the water inlet of the first water pump, a first electric control valve is arranged on the first bypass pipe, and a second electric control valve is arranged on the second bypass pipe.
2. The intelligent water quality control non-negative-pressure water supply equipment according to claim 1, wherein the multi-media filter, the activated carbon filter and the water softener are respectively connected to the filtering water path through corresponding valve assemblies, each valve assembly comprises a first valve and two second valves, the first valve is connected in series with the filtering water path, two ports of the first valve are respectively connected with the corresponding second valves, and the multi-media filter and the activated carbon filter are respectively connected between the two second valves of the corresponding valve assemblies.
3. The intelligent water quality control non-negative pressure water supply equipment according to claim 1, wherein the filter membrane component is a reverse osmosis membrane component, an ultrafiltration membrane component or a nanofiltration membrane component.
4. A water supply method of intelligent water quality control non-negative pressure water supply equipment according to any one of claims 1 to 3, characterized by comprising a conventional water supply mode and a water quality adjusting water supply mode;
the normal water supply mode: water output by the municipal pipe network enters the pre-filtering module, passes through the pre-filtering assembly and enters the non-negative pressure water supply module through the security filter;
the water quality adjusting and supplying mode comprises the following steps: under the conventional water supply mode, when the quality of water that first water quality sensor detected does not reach standard, the water of municipal pipe network output is carried out filtration treatment through prefiltering subassembly earlier, enters into no negative pressure water supply module again.
5. The water supply method according to claim 4, wherein the water quality adjusting water supply mode is specifically:
when the water impurities detected by the first water quality sensor exceed the standard, the water is filtered by the multi-media filter;
and/or when the water detected by the first water quality sensor has peculiar smell and different colors, filtering the water by an activated carbon filter;
and/or when the hardness or heavy metal content of the water detected by the first water quality sensor exceeds the standard, filtering the water by using a water softener.
6. A water supply method according to claim 4, further comprising a direct drinking water supply mode that: water output by the municipal pipe network is filtered by the pre-filtering component and then is treated by the security filter, and enters the filter membrane component through the first water pump under pressure to obtain direct drinking water.
7. The water supply method according to claim 4, further comprising an energy saving water supply mode, wherein when the total water consumption of the user side is lower than a set value, the main water supply pump stops operating, the water introduced from the main water inlet pipe is delivered to the first water pump through the second bypass pipe, and is pressurized by the first water pump and then delivered to the main water outlet pipe through the first bypass pipe.
CN201710487142.9A 2017-06-23 2017-06-23 Intelligent water quality control non-negative pressure water supply equipment and water supply method thereof Active CN107143000B (en)

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