Healthy direct water dispenser with adjustable effluent quality
By introducing a TDS (Total Dissolved Solids) adjustment system into the water purifier, and utilizing preliminary filtration and reverse osmosis membrane components, the automatic adjustment of purified water and mineralized water is achieved. This solves the problems of low mineral content in the water and complex operation, providing a safe and mineral-rich water outlet to meet diverse drinking water needs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINGDAO WATER DESALINATION DESIGN INSTITUTE CO LTD
- Filing Date
- 2025-03-17
- Publication Date
- 2026-04-10
AI Technical Summary
Existing direct drinking water machines over-purify the water, resulting in extremely low levels of beneficial minerals. Long-term consumption may affect health, and the single water outlet makes operation complicated when drinking water needs arise.
The TDS value adjustment system includes a preliminary filtration system and a reverse osmosis membrane module. The water is divided into two treatment paths: one path passes through the reverse osmosis membrane module and the ultraviolet sterilizer, and the other path goes directly into the ultraviolet sterilizer. Combined with solenoid valves and regulating valves, it provides pure water and mineralized water outlets. Water mixing is achieved by adjusting the valve opening.
It enables flexible adjustment of water quality, ensuring that the output water is both safe and rich in appropriate minerals. It is easy to operate and meets different drinking water needs.
Smart Images

Figure CN224105622U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the direct drinking water machine technical field, concretely relates to a healthy direct drinking water machine of adjustable outlet water quality. BACKGROUND
[0002] The existing direct drinking water machine generally adopts reverse osmosis technology, which can effectively remove impurities, but excessive purification leads to very low content of beneficial minerals such as calcium and magnesium in water, and long-term drinking may affect human health; Therefore, people now think of adjusting the TDS value of drinking water to meet the current needs, and the TDS value reflects the total amount of water-soluble salts, which directly affects the taste, osmotic pressure and equipment scaling risk of water;
[0003] A direct drinking water machine with adjustable TDS value is disclosed in Chinese patent No. CN209957567U, which is filtered by a PP cotton filter after a RO membrane pure water machine, and then filtered by a granular activated carbon filter and a compressed activated carbon filter. A three-way joint is connected to the pipeline after filtration, one of the water pipes from the three-way joint is a pure water pipe after passing through a water pressure pump and a pure water filter RO membrane, and the other water pipe from the three-way joint is a clean water pipe. A pure water check valve and a clean water check valve are respectively added to the pipelines of the pure water pipe and the clean water pipe to prevent backflow due to different water pressures. A pure water pressure regulating valve and a clean water pressure regulating valve are respectively added to the pipelines after the pure water check valve and the clean water check valve, the other ends of the pure water pressure regulating valve and the clean water pressure regulating valve are connected to a water mixer, the water mixer is connected to a mixed water TDS tester and an ultraviolet or ozone sterilizer in turn, and finally the ultraviolet or ozone sterilizer is connected to a water outlet faucet.
[0004] Patent No. CN209815812U discloses a water dispenser device with adjustable TDS value, the output end of the rear filter assembly is connected to the water storage container, and the bypass between the front filter assembly and the rear filter assembly is connected to the water storage container through a first controlled electric valve. The TDS value of the water quality after being filtered by the filter assembly will decrease. When the main control module controls the first controlled electric valve to be connected, the TDS value of the water quality in the water storage container will gradually increase, and when the main control module controls the first controlled electric valve to be disconnected, the TDS value of the water quality in the water storage container will gradually decrease, thereby adjusting the TDS value of the water quality. In addition, since the first controlled electric valve is connected in the bypass between the front filter assembly and the rear filter assembly, the water passing through the first controlled electric valve is filtered by the front filter assembly, that is, the water entering the water storage container through different water paths is filtered, which is suitable for subsequent use.
[0005] In the prior art, there is only a single water outlet, and when there are different drinking water needs, the water pressure regulating valve needs to be adjusted each time to meet the drinking water needs, which is complicated to operate. Content of the utility model
[0006] In view of the problems in the foregoing background art, the utility model aims at providing a health direct drinking water machine with adjustable water quality to solve the problems in the foregoing background art.
[0007] To achieve the foregoing technical purpose, the utility model adopts the technical scheme as follows:
[0008] A health direct drinking water machine with adjustable water quality, comprising a TDS value adjusting system, the TDS value adjusting system is arranged in the water dispenser body, the water dispenser body is sequentially provided with an information management area, an intermediate communication area and an equipment body area from top to bottom, the information management area is used for displaying the maintenance information of consumables in each link and the total salt content index of the outlet water, the intermediate communication area is used for connecting the equipment body and the upper information area on one hand, and is used as an upper and lower communication channel of pipelines and cables on the other hand, the equipment body area is used for assembling the TDS value adjusting system, the TDS value adjusting system comprises a preliminary filtration system, the water body filtered through the preliminary filtration system is divided into two paths, one path of water body sequentially passes through a reverse osmosis booster pump, a reverse osmosis membrane assembly and an ultraviolet sterilizer, another path of water body directly enters the ultraviolet sterilizer, the two paths of water body are provided with an adjusting valve at the front end of the ultraviolet sterilizer, and the rear end of the ultraviolet sterilizer is communicated with a purified water outlet and a mineralized water outlet through pipelines.
[0009] Further limited, the preliminary filtration system comprises a prefilter, an activated carbon filter and an ultrafiltration membrane assembly, and the prefilter, the activated carbon filter and the ultrafiltration membrane assembly are sequentially connected from the water inlet direction to the water outlet direction.
[0010] Further limited, the water body directly entering the ultraviolet sterilizer is sequentially communicated with a solenoid valve and a flowmeter at the rear end of the ultrafiltration membrane assembly.
[0011] Further limited, the pipelines communicated with the purified water outlet and the drinking water outlet are all provided with solenoid valves.
[0012] Further limited, the adjusting valve is an ultrafiltration outlet bypass valve.
[0013] Further limited, the ultraviolet sterilizer outlet pipeline is provided with a water quality monitoring module for monitoring two indexes such as water temperature and TDS.
[0014] Compared with the prior art, the utility model has the following advantages:
[0015] The utility model is compact in structure and stable in operation, the water produced by ultrafiltration and reverse osmosis double membranes is mixed according to the proportion according to the demand and can be adjusted according to the demand, the control of water quality hardness and TDS value is realized, and it is ensured that the outlet water is safe and rich in appropriate minerals.
[0016] The utility model discloses a pure water outlet and mineralized water outlet are set up, and user can use pure water outlet and mineralized water outlet according to need, when the different people of need drink water, do not need to adjust the water quality of water dispenser every time, and the operation is simple.
[0017] The utility model discloses simple structure passes through setting regulating valve, and the opening of mineralized water is adjusted, when drinking pure water, regulating valve closes the passage of mineralized water, thereby making user obtain pure water, when needing the drinking water of different TDS, the opening of regulating valve is adjusted, thereby making pure water and drinking water mix with different proportion, and the TDS is adjusted. BRIEF DESCRIPTION OF DRAWINGS
[0018] The utility model discloses can be further explained by the non - limiting embodiment shown in the attached drawing;
[0019] Figure 1 It is the front view of a kind of healthy direct drinking water machine of water quality adjustable of the utility model to issue water;
[0020] Figure 2 It is the side view of a kind of healthy direct drinking water machine of water quality adjustable of the utility model to issue water;
[0021] Figure 3 It is the internal structure diagram of the side view of a kind of healthy direct drinking water machine of water quality adjustable of the utility model to issue water;
[0022] Figure 4 It is the internal structure diagram of the front view of a kind of healthy direct drinking water machine of water quality adjustable of the utility model to issue water;
[0023] Main element symbol explanation is as follows:
[0024] TDS value regulating system 1, preliminary filtration system 11, prefilter 111, activated carbon filter 112, ultrafiltration membrane assembly 113, reverse osmosis booster pump 12, reverse osmosis membrane assembly 14, ultraviolet sterilizer 15, water dispenser body 2, information management area 21, intermediate communication area 22, equipment body area 23, regulating valve 3, pure water outlet 4, mineralized water outlet 5 DETAILED DESCRIPTION
[0025] In order to make those skilled in the art can better understand the utility model, the utility model technical scheme is further explained below in conjunction with the drawings and examples, obviously, the described example is only a part of the utility model embodiment, not all embodiments;Based on the embodiment in the utility model, all other embodiments obtained by those skilled in the art without making creative labor are within the scope of the utility model protection.
[0026] Unless otherwise defined, technical terms or scientific terms used in the present disclosure shall have the same meaning as commonly understood by one of ordinary skill in the art to which the present disclosure belongs; the words "first", "second", and similar words do not imply any order, quantity, or importance, but are used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word encompass the elements or objects listed after the word and their equivalents, and do not exclude other elements or objects. "Connected" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect.
[0027] As shown in Figures 1-4 A health direct drinking water machine with adjustable outlet water quality, comprising a TDS value adjusting system 1, the TDS value adjusting system 1 is arranged in a water dispenser body 2, the water dispenser body 2 is sequentially arranged from top to bottom as an information management area 21, an intermediate communication area 22 and an equipment body area 23, the information management area 21 is used to display the maintenance information of consumables in each link and the total salt content index of outlet water, the intermediate communication area 22 is used to connect the equipment body and the upper information area on one hand, and is used as an upper and lower communication channel of pipeline and cable on the other hand, the equipment body area 23 is used to assemble the TDS value adjusting system 1, the TDS value adjusting system 1 comprises a preliminary filtration system 11, the water body filtered by the preliminary filtration system 11 is divided into two ways, one way of water body sequentially passes through a reverse osmosis booster pump 12, a reverse osmosis membrane assembly 14 and an ultraviolet sterilizer 15, the other way of water body directly enters the ultraviolet sterilizer 15, the two ways of water body are provided with an adjusting valve 3 at the front end of the ultraviolet sterilizer 15, and the rear end of the ultraviolet sterilizer 15 is communicated with a pure water outlet 4 and a mineralized water outlet 5 through a pipeline.
[0028] The technical scheme of the embodiment is adopted, the water dispenser body 1 is provided with an original water inlet, a waste water discharge port and the like, the original water inlet is connected with a building tap water pipeline, the waste water discharge port is connected with a building drainage pipeline through a pipeline; meanwhile, an external power supply is provided to provide power for the water dispenser body 1. Firstly, after the building tap water is introduced into the water dispenser body 1, the water first passes through the preliminary filtration system 11 to intercept large-particle impurities in the water, thereby protecting subsequent facilities. Specifically, in addition to the water inlet, the purified water outlet 4 and the mineralized water outlet 5, the preliminary filtration system 11 is provided with a blowdown valve, a blowdown pipe is connected with the machine waste water discharge port main pipe, the water body enters the reverse osmosis membrane assembly 14 through a high-pressure pump, the reverse osmosis membrane assembly 14 includes a membrane shell and a membrane element, and the main function thereof is to intercept the dissolved ion index in the water to obtain purified water, and the removal rate can reach more than 97%, the reverse osmosis membrane shell is provided with a water inlet, a water outlet and a waste water outlet; according to the water quality condition, the ratio of the water production flow and the waste water flow is controlled to be 1-2 through the waste water valve in the installation and debugging stage, so as to ensure the normal operation of the reverse osmosis membrane assembly; the TDS index of the produced water is generally 20-30 mg / L, and the hardness is close to 0; the waste water pipe of the reverse osmosis and the blowdown pipe of the preliminary filtration system 11 are connected together and connected with the equipment body through a pipeline, when the water production flow of the reverse osmosis membrane assembly 14 accumulates to a certain value, the back-end program automatically performs flushing, no purified water is produced during the flushing, and all the flushing water is directly discharged, when the service life of the reverse osmosis membrane element reaches a set value, the information panel prompts maintenance alarm information; the produced water passing through the reverse osmosis membrane assembly 14 has a low TDS, and the ultrafiltration produced water passing through the preliminary filtration system 11 is provided with an electromagnetic valve and a flow metering facility, the TDS of the ultrafiltration produced water is higher and close to that of tap water, and after being combined through a tee joint, the water enters the ultraviolet sterilizer 15 for the final sterilization treatment of the product water to ensure the safety of the drinking water, the ultraviolet sterilizer 15 generally adopts a pipeline type, and the effective dose thereof should be not less than 40 mJ / cm2. After the purified water passes through the ultraviolet sterilization, the purified water is connected to the purified water outlet 4 and the mineralized water outlet 5, when a user presses the purified water taking button, the control program automatically opens the electromagnetic valve on the purified water pipeline, starts the booster pump, and the purified water outlet 4 discharges water; the user presses the purified water taking button again, the booster pump is stopped, the related electromagnetic valve is closed, and the water outlet stops discharging water; when the user presses the mineralized water taking button, the control program automatically opens the electromagnetic valve on the mineralized water pipeline, adjusts the valve 3, and starts the high-pressure pump, at this time, the ultraviolet sterilizer and the mineralized water pipeline are filled with mixed water of the reverse osmosis product water and the bypass ultrafiltration produced water. In the debugging stage, the opening of the adjusting valve 3 is set to adjust the proportion of the ultrafiltration produced water, and then the TDS of the mineralized water outlet is determined according to the user's requirement; when the user presses the mineralized water taking button again, the program automatically closes the high-pressure pump, closes the adjusting valve 3, and closes the electromagnetic valve of the mineralized water pipeline, and the start and stop of the high-pressure pump are linked with the water taking button.
[0029] The preliminary filtration system 11 includes a pre-filter 111, an activated carbon filter 112, and an ultrafiltration membrane assembly 113, which are connected in sequence from the water inlet to the water outlet. In this embodiment, the filter screen can be made of food-grade materials such as SS316L stainless steel, with a filtration accuracy of not less than 40 μm. The pre-filter 111 is periodically flushed according to the running time, and a maintenance prompt is displayed in the information management area when the flushing period is reached. The activated carbon filter 112 is divided into an external pressure vessel and a composite activated carbon filter element, which mainly adsorbs odor substances and residual chlorine in the water to improve the taste of drinking water. The activated carbon filter 112 is provided with a water inlet and a water outlet. The activated carbon filter element is a consumable that needs to be replaced regularly. The replacement time is input into the management system by the maintenance personnel. When the maintenance time is reached or the flow rate reaches the set value, the information management area 21 displays a prompt information flow value set by the system. When the set time is reached, a prompt information is displayed.
[0030] The water outlet of the activated carbon filter 112 enters the ultrafiltration membrane assembly 113 through a pipeline. The ultrafiltration membrane assembly 113 is composed of an external pressure vessel or a membrane shell and an ultrafiltration membrane element. The ultrafiltration membrane element generally uses PVDF hollow fiber membrane with a filtration accuracy of not more than 30 nm, which further removes suspended solids, colloids, bacteria, and other substances in the water. The ultrafiltration membrane assembly 113 is provided with a water inlet, a water outlet, and a cross-flow sewage outlet. An electromagnetic valve and a maintenance manual valve are arranged on the water outlet pipeline of the cross-flow sewage outlet. When the continuous running time exceeds the first set value, the electromagnetic valve is opened for flushing, and the flushing wastewater is discharged into the sewer. When the use time exceeds the second set value, the information display prompts the replacement of the membrane element information.
[0031] The water body directly entering the ultraviolet sterilizer 15 is connected in sequence with an electromagnetic valve and a flow meter at the rear end of the ultrafiltration membrane assembly 113. In this embodiment, the flow meter displays the water volume of the mineralized water, so that the pump speed or valve opening degree is dynamically adjusted according to the flow data to maintain the stability of the water treatment efficiency.
[0032] The pipelines connected with the pure water outlet 4 and the mineralized water outlet 5 are provided with electromagnetic valves. In this embodiment, the electromagnetic valves are controlled by sending signals to control the water outlets of the pure water outlet 4 and the mineralized water outlet 5.
[0033] The regulating valve 3 is an ultrafiltration water bypass valve. In this embodiment, the ultrafiltration water bypass valve is used to temporarily switch the water flow path during maintenance or cleaning of the ultrafiltration system, to avoid the influence of shutdown on the continuity of water supply. The bypass is enabled when replacing the filter element to maintain water supply.
[0034] The bypass valve is closed during backwashing, air washing, and other operations to ensure that the water flow is directed into the cleaning process
[0035] The water quality monitoring module is arranged on the outlet pipeline of the ultraviolet sterilizer 15, and is used for monitoring two indexes such as water temperature and TDS.
[0036] The control mode of the utility model is automatically controlled through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the provision of the power supply also belongs to the public knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the utility model will not explain the control mode and the circuit connection in detail.
[0037] The above embodiment only exemplarily illustrates the principle and effect of the utility model, and is not used for limiting the utility model. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and category of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.
Claims
1. A health direct drinking water machine with adjustable outlet water quality, comprising a TDS value adjusting system (1), characterized in that: The TDS value adjusting system (1) is arranged in the water dispenser body (2), the water dispenser body (2) is sequentially arranged from top to bottom as an information management area (21), an intermediate communication area (22) and a device body area (23), the information management area (21) is used for displaying the maintenance information of each link consumable and the total salt content index of the outlet water, the intermediate communication area (22) is used for connecting the device body and the upper information area on one hand, and is used as an upper and lower communication channel of the pipeline and the cable on the other hand, the device body area (23) is used for assembling the TDS value adjusting system (1), the TDS value adjusting system (1) comprises a preliminary filtration system (11), the water body filtered through the preliminary filtration system (11) is divided into two ways, one way of water body sequentially passes through a reverse osmosis booster pump (12), a reverse osmosis membrane assembly (14) and an ultraviolet sterilizer (15), the other way of water body directly enters the ultraviolet sterilizer (15), the two ways of water body are provided with an adjusting valve (3) in front of the ultraviolet sterilizer (15), the rear end of the ultraviolet sterilizer (15) is communicated with a purified water outlet (4) and a mineralized water outlet (5) through a pipeline.
2. The health direct drinking water machine with adjustable outlet water quality according to claim 1, characterized in that: The preliminary filtration system (11) comprises a pre-filter (111), an activated carbon filter (112) and an ultrafiltration membrane assembly (113), the pre-filter (111), the activated carbon filter (112) and the ultrafiltration membrane assembly (113) are sequentially connected from the water inlet direction to the water outlet direction.
3. The health direct drinking water machine with adjustable outlet water quality according to claim 2, characterized in that: The water body directly entering the ultraviolet sterilizer (15) is sequentially communicated with a solenoid valve and a flowmeter at the rear end of the ultrafiltration membrane assembly (113).
4. The health direct drinking water machine with adjustable outlet water quality according to claim 3, characterized in that: The pipelines communicated with the purified water outlet (4) and the mineralized water outlet (5) are all provided with solenoid valves.
5. The health direct drinking water machine with adjustable outlet water quality according to claim 4, characterized in that: The adjusting valve (3) is an ultrafiltration outlet bypass valve.
6. The health direct drinking water machine with adjustable outlet water quality according to any one of claims 1-5, characterized in that: The outlet pipeline of the ultraviolet sterilizer (15) is provided with a water quality monitoring module for monitoring the water temperature and the TDS.
Citation Information
Patent Citations
Water dispenser device with adjustable TDS value
CN209815812U
Direct water dispenser with adjustable TDS value
CN209957567U