CN109437449A - Hydrogen-rich water dispenser machine system - Google Patents
Hydrogen-rich water dispenser machine system Download PDFInfo
- Publication number
- CN109437449A CN109437449A CN201811421786.9A CN201811421786A CN109437449A CN 109437449 A CN109437449 A CN 109437449A CN 201811421786 A CN201811421786 A CN 201811421786A CN 109437449 A CN109437449 A CN 109437449A
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- CN
- China
- Prior art keywords
- water
- circuit
- hydrogen
- valve
- rich water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/46115—Electrolytic cell with membranes or diaphragms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/4612—Controlling or monitoring
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Water Treatment By Sorption (AREA)
Abstract
A kind of hydrogen-rich water dispenser machine system, including filtration system and hydrogen-rich water system, by the way that closed loop regulating circuit is arranged in hydrogen-rich water system, closed loop regulating circuit changes output voltage according to load resistance size, so that electric current is in constant current state, and output voltage can be in the relatively wide tuning range of 0~63V, and then keep hydrogen-rich water dispenser water outlet pH value more stable, and hydrogen content is higher, using effect is obvious, has stronger dissemination.
Description
Technical field
The present invention relates to technical field of water purification more particularly to a kind of hydrogen-rich water dispenser machine systems.
Background technique
With the improvement of people ' s living standards and the attention to drinking water safety health, people are to water dispenser it is also proposed that more wanting
It asks, not only requiring nothing more than water dispenser has filtering function, also requires water dispenser to have the function of hydrogen-rich water, existing water dispenser is in ionization, circuit
It is arranged using open loop, does not detect load, output voltage is fixed value；When ionizing water, influenced by TDS (dissolvability solid amount) value
Larger, when causing water outlet, pH value is unstable, and active hydrogen content is not high, and when TDS value is higher, load resistance resistance value is smaller, causes
Machine can not normal use, influence the normal use of user.
In addition, including filter core in existing water dispenser system, filter core is equipped with tap water inlets and water purification outlet, tradition filter
Tap water inlets and treated water outlet on core are respectively set on the two sides of filter core, when filter core when not in use, can be residual in filter core
Stay Yu Shui；And traditional filter core does not have special drain outlet, the impurity that filter core intercepts is accumulated in filter core, easily leads to filter core
It is secondary polluted.In addition, the filtered impurity of conventional bowl need to manually tear machine cleaning open, operation is extremely troublesome.
Summary of the invention
For this purpose, the purpose of the present invention is to provide a kind of hydrogen-rich water dispenser machine system, when solving the ionization of current water dispenser, by
The defect that TDS value is affected.
To achieve the above object, the present invention mainly uses following technical scheme are as follows:
A kind of hydrogen-rich water dispenser machine system, including filtration system and hydrogen-rich water system, the filtration system to tap water into
Row filtering, removes impurities in water, is flowed into hydrogen-rich water system through the filtered clean water of filtration system, hydrogen-rich water system is to water
It is electrolysed；
The hydrogen-rich water dispenser system includes circuit control panel and host, and host is equipped with ionisation chamber, is equipped with electricity in ionisation chamber
Pole plate is equipped with micro-filtration diaphragm between electrode plate, and the pole plate is connected on circuit control panel, and the filtered water of filtration system enters
Into ionisation chamber, the circuit control panel coordination electrode plate is ionized with diaphragm；
The circuit control panel includes CPU, control chip, closed loop regulating circuit, current rectifying and wave filtering circuit, and external power supply passes through
Closed loop regulating circuit is load supplying；The closed loop regulating circuit includes switch transformer T1, switching tube Q1, photoelectrical coupler
P1, operational amplifier S1, rectifying tube D1, filter capacitor C1, sample resistance R2, the output end connection of the current rectifying and wave filtering circuit
In on mono- input terminal of switch transformer T1, another input terminal of the switch transformer T1 is connected by switching tube Q1 and control chip
It connecing, an output end of the switch transformer T1 is connected in load by rectifying tube D1, the one end filter capacitor C1 ground connection,
The other end be connected in parallel on the N of rectifying tube D1 extremely on；The other end of the load is connected to the backward end of operational amplifier S1, described to take
Sample one end resistance R2 ground connection, the other end are connected in parallel on the reverse input end of operational amplifier S1；The end in the same direction of the amplifier amplifier
It is connect with CPU, the output end of the operational amplifier S1 is connect by photoelectrical coupler P1 with control chip.
Further, the circuit control panel further includes power supply input circuit, common mode rejection circuit, soft starting circuit, pair
Switching Power Supply, the power supply input circuit, common mode rejection circuit, soft starting circuit, current rectifying and wave filtering circuit are sequentially connected in series, institute
State CPU to connect by an output end of auxiliary switch power supply and current rectifying and wave filtering circuit, power for CPU, current rectifying and wave filtering circuit it is another
Output end is connect by closed loop regulating circuit with load R1.
Further, the photoelectrical coupler P1 includes light emitting diode and phototriode, the photodiode with
Operational amplifier S1 connection, the phototriode are connect with control chip.
Further, the filtration system include filter core, solenoid valve, the first check valve, second one-way valve, water inlet line,
Main flow conduit, water inlet pipe, outlet conduit, drainage pipeline and water purification pipeline；Described water inlet line one end is connected to external water source
On, the other end is connected on solenoid valve, is connected between the solenoid valve and the first check valve by main flow conduit；The filter core is set
There are tap water inlets and water purification outlet, the water inlet pipe both ends are connected to the tap water inlets of main flow conduit and filter core；
The water purification outlet of the filter core is connected to second one-way valve by outlet conduit, and the water purification pipeline is connected on outlet conduit；
The drainage pipeline is equipped with two arrival ends and an outlet end, and the first check valve and second one-way valve are connected to drainage pipeline
Two arrival ends on；First check valve and second one-way valve include a valve body and are installed in the intracorporal steel ball of valve, valve body
It is equipped with the check valve water outlet of a communicated drainage pipeline, the steel ball seals or open the check valve water outlet.
Further, an acid water inlet is additionally provided on the drainage pipeline, the ionisation chamber is connected to institute by pipeline
It states on acid water inlet, acid water enters in drainage pipeline from acid water inlet, then is discharged from drainage pipeline.
In conclusion the present invention by hydrogen-rich water dispenser system be arranged closed loop regulating circuit, closed loop regulating circuit according to
Load resistance size changes output voltage, so that electric current is in constant current state, and output voltage can be in 0~63V
Relatively wide tuning range, and then make hydrogen-rich water dispenser water outlet pH value it is more stable, hydrogen content is higher, using effect is obvious, in addition,
The present invention, so as to keep dry in filter core, avoids filter core secondary pollution by being automatically drained out the Yu Shuike in filter core.This
Outside, the impurity that filter core bottom intercepts can be discharged with remaining water, clear without manually additionally tearing machine open so as to play self-cleaning action
It washes.With stronger dissemination.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of the filtration system of hydrogen-rich water dispenser machine system of the present invention.
Fig. 2 is that the connection in Fig. 1 between each module of circuit control panel of the hydrogen-rich water system of hydrogen-rich water dispenser machine system is shown
It is intended to.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.
As shown in Figure 1 to Figure 2, the present invention provides a kind of hydrogen-rich water dispenser machine system, including filtration system 10 and hydrogen-rich water
System 20, the filtration system 10 are filtered tap water, impurities in water are removed, through the filtered clean water of filtration system 10
It is flowed into hydrogen-rich water system 20, hydrogen-rich water system 20 ionizes water.
The filtration system 10 includes filter core 11, solenoid valve 12, the first check valve 13, second one-way valve 14, water inlet line
15, main flow conduit 16, water inlet pipe 17, outlet conduit 18, drainage pipeline 19 and water purification pipeline 192.
Described 15 one end of water inlet line is connected on external water source, and the other end is connected on the solenoid valve 12, the electricity
It is connected between magnet valve 12 and the first check valve 13 by main flow conduit 16.Filter core 11 is equipped with tap water inlets 111 and water purification goes out
Mouthfuls 112,17 both ends of water inlet pipe are connected to the coming on water inlet 111 of main flow conduit 16 and filter core 11.The filter core
Water purification outlet 112 be connected in the second one-way valve 14 by outlet conduit 18, the water purification pipeline 192 is connected to described
On outlet conduit 18.The drainage pipeline 19 is equipped with two arrival ends and an outlet end, and first check valve 13 and second is single
On two arrival ends for being connected to drainage pipeline 19 to valve 14.First check valve 13 and second one-way valve 14 include one
Valve body (figure do not mark) and it is installed in the intracorporal steel ball of valve (131,141), the valve of first check valve 13 and second one-way valve 14
Body is equipped with a check valve water outlet, and the steel ball is for sealing or opening the check valve water outlet.
The hydrogen-rich water system 20 includes a host (not shown), purification of the hydrogen-rich water dispenser to flowing into from water purification pipeline 192
Water is ionized, and the acid water that pH value is 3.5-6 and the alkali water that PH is 8.5~9.5 can be obtained, wherein acid water tool
There is sterilizing function, can be used for cleaning tableware etc..An acid water inlet 191, the ionisation chamber are additionally provided on the drainage pipeline 19
It being connected on the acid water inlet 191 by pipeline, acid water enters in drainage pipeline 19 from acid water inlet 191, then from
Drainage pipeline 19 is discharged.
The working principle of filtration system 10 of the invention is specific as follows:
After the solenoid valve 12 must be electric, the first check valve 13 and second one-way valve 14 are turned off, the normal purified water of filter core
Matter.Specifically, the solenoid valve 12 it is electric after, tap water flows into the main flow pipe through solenoid valve 12 from the water inlet line 15
In road 16, first check valve 13 is pushed steel ball 131 by tap water pressure, and steel ball 131 is by the water outlet of the first check valve 13
Sealing, tap water flow to the tap water inlets 111 of filter core 11 from main flow conduit 16.Tap water is after the filtering of filter core 11 by described net
Water out 112 is discharged, it is described go out second one-way valve 14 by purification water pressure pushed steel ball 141, steel ball 141 is by second one-way valve 14
Water outlet sealing, purified water flows out from the water purification pipeline 192.
After solenoid valve 12 powers off, solenoid valve 12 is closed, and tap water and purified water disappear to the pressure of solenoid valve steel ball 131
It loses, two check valves open simultaneously, and the remaining water in filter core 11 is by the first check valve 13 and second one-way valve 14 by drainage pipeline 19
Discharge.The impurity that 11 bottom of filter core intercepts also is discharged with remaining water, so as to play self-cleaning action.And it will not inside filter core 11
Remaining water is remained, so as to keep dry in filter core 11, filter core secondary pollution is avoided, extends the service life of filtering material.This
Outside, the indoor remaining water of the ionization of the hydrogen-rich water dispenser can be also discharged by second one-way valve 14 with drainage pipeline 19, to keep ionizing
Indoor seasoning extends the service life for ionizing indoor electrode plate and microfiltration membranes, while can prevent bacteria breed.
The hydrogen-rich water dispenser system is further including circuit control panel 20, and the pole plate is connected on circuit control panel 20, mistake
The filtered water of filter system 10 enters in ionisation chamber, and the 20 coordination electrode plate of circuit control panel is ionized.
The circuit control panel 20 includes power supply input circuit 21, common mode rejection circuit 22, soft starting circuit 23, rectification filter
Wave circuit 24, auxiliary switch power supply 25, CPU 26, control chip 27, closed loop regulating circuit 28, the power supply input circuit 21 are total to
Mould suppression circuit 22, soft starting circuit 23, current rectifying and wave filtering circuit 24 are sequentially connected in series, and the CPU 26 passes through auxiliary switch power supply
25 connect with an output end of current rectifying and wave filtering circuit 24, and current rectifying and wave filtering circuit 24 is the power supply of CPU 26, current rectifying and wave filtering circuit 24
Another output end is connect by closed loop regulating circuit 28 with load R1 (ionizing indoor water), the CPU 26 and control chip 27
It is connected on closed loop regulating circuit 28, R1 is load resistance.
The closed loop regulating circuit 28 includes switch transformer T1, switching tube Q1, photoelectrical coupler P1, operational amplifier
S1, rectifying tube D1, filter capacitor C1, sample resistance R2, an output end of the current rectifying and wave filtering circuit 24 are connected to switch transformation
On an input terminal of device T1, another input terminal of the switch transformer T1 is connect by switching tube Q1 with control chip 27, institute
The output end for stating switch transformer T1 is connected in load by rectifying tube D1, the one end filter capacitor C1 ground connection, another
End be connected in parallel on the N of rectifying tube D1 extremely on.The other end of the load is connected to the backward end of operational amplifier S1, the sampling electricity
The one end R2 ground connection is hindered, the other end is connected in parallel between operational amplifier S1 and load.The end in the same direction of the amplifier amplifier and CPU
26 connections, CPU 26 give on a reference voltage to operational amplifier S1.The hydrogen-rich water dispenser system is equipped with an input panel,
When setting different pH value in input panel, CPU 26 given reference voltage is different.The operational amplifier S1's
Output end is connect by photoelectrical coupler P1 with control chip 27.The photoelectrical coupler P1 includes light emitting diode and photosensitive three
Pole pipe, the phototriode are connect with operational amplifier S1, and the phototriode is connect with control chip 27.
When initial, complete machine is in standby, and starts control switch, and complete machine works normally, and when work, is output to load
Voltage is not fixed value, and when TDS decline, the resistance value of load becomes larger, and the principal voltage for being input to load rises；When TDS rises,
The resistance value of load becomes smaller, principal voltage decline.When work, switch chip starting by sample resistance R2, obtains a voltage drop,
Load current is bigger, and the pressure drop of sample resistance R2 is bigger, and voltage is higher, and as a comparison signal, is input to operation and puts
The backward end of big device S1, auxiliary switch power supply hold a reference voltage, sampled voltage to operational amplifier S1 by CPU 26 in the same direction
Compared with reference voltage, a difference being obtained, carrying out operation, noninverting input is higher than reverse input end, operational amplifier S1
The low-voltage that obtains, low potential, the luminous tube of photoelectrical coupler P1 is fully on, when control 27 trigger switch pipe Q1 of chip conducting
Between extend, the output electric current of transformer increases accordingly.When sampling voltage is equal with reference voltage, it is input to the electric current of load
For constant current.
Correspondingly, when the noninverting input of operational amplifier S1 is lower than reverse input end, height that operational amplifier S1 is obtained
The luminous tube of voltage, high potential, photoelectrical coupler P1 is not turned on, and control 27 trigger switch pipe Q1 turn-on time of chip shortens, and is become
The output electric current of depressor accordingly reduces.When sampling voltage is equal with reference voltage, the electric current for being input to load is constant current.
In conclusion the present invention is by the way that the Yu Shuike in filter core 11 to be automatically drained out, so as to keep dry in filter core 11,
Avoid 11 secondary pollution of filter core.In addition, the impurity that 11 bottom of filter core intercepts can be discharged with remaining water, so as to play self-cleaning work
With without manually additionally tearing machine cleaning open.In addition, by the way that closed loop regulating circuit 28, closed loop pressure regulation are arranged in hydrogen-rich water dispenser system
Circuit 28 changes output voltage according to load resistance size, so that electric current is in constant current state, and output voltage can be with
It is in the relatively wide tuning range of 0~63V, and then keeps hydrogen-rich water dispenser water outlet pH value more stable, hydrogen content is higher, and using effect is bright
It is aobvious, there is stronger dissemination.
The foregoing is merely preferable one embodiment of the invention, are not intended to limit the invention, all in this hair
Made any modifications, equivalent replacements, and improvements etc., should be included in protection scope of the present invention within bright spirit and principle
Within.
Claims (5)
1. a kind of hydrogen-rich water dispenser machine system, including filtration system and hydrogen-rich water system, the filtration system carries out tap water
Filtering, remove impurities in water, be flowed into hydrogen-rich water system through the filtered clean water of filtration system, hydrogen-rich water system to water into
Row ionization, it is characterised in that:
The hydrogen-rich water system includes circuit control panel and host, and host is equipped with an ionisation chamber, and ionisation chamber is equipped with electrode plate, electricity
Micro-filtration diaphragm is equipped between pole plate and electrode plate, the pole plate is connected on circuit control panel, the filtered water of filtration system into
Enter into ionisation chamber, the circuit control panel coordination electrode plate and micro-filtration diaphragm by water power from；
The circuit control panel includes CPU, control chip, closed loop regulating circuit, current rectifying and wave filtering circuit, and external power supply passes through closed loop
Regulating circuit is load supplying；The closed loop regulating circuit includes switch transformer T1, switching tube Q1, photoelectrical coupler P1, fortune
Amplifier S1, rectifying tube D1, filter capacitor C1, sample resistance R2 are calculated, an output end of the current rectifying and wave filtering circuit is connected to out
It closing on mono- input terminal of transformer T1, another input terminal of the switch transformer T1 is connect by switching tube Q1 with control chip,
An output end of the switch transformer T1 is connected in load by rectifying tube D1, the one end filter capacitor C1 ground connection, separately
One end be connected in parallel on the N of rectifying tube D1 extremely on；The other end of the load is connected to the backward end of operational amplifier S1, the sampling
The one end resistance R2 ground connection, the other end are connected in parallel on the reverse input end of operational amplifier S1；The amplifier amplifier it is in the same direction end with
The output end of CPU connection, the operational amplifier S1 is connect by photoelectrical coupler P1 with control chip.
2. hydrogen-rich water dispenser machine system as described in claim 1, it is characterised in that: the circuit control panel further includes that power supply is defeated
Enter circuit, common mode rejection circuit, soft starting circuit, auxiliary switch power supply, the power supply input circuit, soft opens common mode rejection circuit
Dynamic circuit, current rectifying and wave filtering circuit are sequentially connected in series, and the CPU passes through an output end of auxiliary switch power supply and current rectifying and wave filtering circuit
Connection is powered for CPU, and another output end of current rectifying and wave filtering circuit is connect by closed loop regulating circuit with load R1.
3. hydrogen-rich water dispenser machine system as described in claim 1, it is characterised in that: the photoelectrical coupler P1 includes luminous two
Pole pipe and phototriode, the photodiode are connect with operational amplifier S1, and the phototriode and control chip connect
It connects.
4. hydrogen-rich water dispenser machine system as described in claim 1, it is characterised in that: the filtration system includes filter core, electromagnetism
Valve, the first check valve, second one-way valve, water inlet line, main flow conduit, water inlet pipe, outlet conduit, drainage pipeline and pure water pipe
Road；Described water inlet line one end is connected on external water source, and the other end is connected on solenoid valve, and the solenoid valve and first is unidirectionally
It is connected between valve by main flow conduit；The filter core is equipped with tap water inlets and water purification outlet, the water inlet pipe both ends difference
It is connected to the tap water inlets of main flow conduit and filter core；The water purification outlet of the filter core is connected to second unidirectionally by outlet conduit
Valve, the water purification pipeline are connected on outlet conduit；The drainage pipeline is equipped with two arrival ends and an outlet end, and first is unidirectional
Valve and second one-way valve are connected on two arrival ends of drainage pipeline；First check valve and second one-way valve include
One valve body and it is installed in the intracorporal steel ball of valve, valve body is equipped with the check valve water outlet of a communicated drainage pipeline, and the steel ball is close
Seal or open the check valve water outlet.
5. hydrogen-rich water dispenser machine system as claimed in claim 3, it is characterised in that: be additionally provided with an acidity on the drainage pipeline
Water inlet, the ionisation chamber are connected on the acid water inlet by pipeline, and acid water enters drainpipe from acid water inlet
In road, then from drainage pipeline be discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811421786.9A CN109437449A (en) | 2018-11-26 | 2018-11-26 | Hydrogen-rich water dispenser machine system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811421786.9A CN109437449A (en) | 2018-11-26 | 2018-11-26 | Hydrogen-rich water dispenser machine system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109437449A true CN109437449A (en) | 2019-03-08 |
Family
ID=65554321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811421786.9A Pending CN109437449A (en) | 2018-11-26 | 2018-11-26 | Hydrogen-rich water dispenser machine system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109437449A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205528192U (en) * | 2016-03-31 | 2016-08-31 | 青岛欣生然健康产业有限公司 | Hydrogen -rich water purifier |
| CN106086931A (en) * | 2016-08-08 | 2016-11-09 | 福州品行科技发展有限公司 | A kind of Automatic adjusument hydrogen manufacturing drive circuit |
| CN107510965A (en) * | 2017-08-22 | 2017-12-26 | 张本松 | Self-cleaning filtration system |
| CN210559829U (en) * | 2018-11-26 | 2020-05-19 | 张本松 | Hydrogen-rich water machine complete machine system |
-
2018
- 2018-11-26 CN CN201811421786.9A patent/CN109437449A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205528192U (en) * | 2016-03-31 | 2016-08-31 | 青岛欣生然健康产业有限公司 | Hydrogen -rich water purifier |
| CN106086931A (en) * | 2016-08-08 | 2016-11-09 | 福州品行科技发展有限公司 | A kind of Automatic adjusument hydrogen manufacturing drive circuit |
| CN107510965A (en) * | 2017-08-22 | 2017-12-26 | 张本松 | Self-cleaning filtration system |
| CN210559829U (en) * | 2018-11-26 | 2020-05-19 | 张本松 | Hydrogen-rich water machine complete machine system |
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