CN209383572U - A kind of circulating household water purifier and domestic water purifying machine of stable water delivery - Google Patents
A kind of circulating household water purifier and domestic water purifying machine of stable water delivery Download PDFInfo
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- CN209383572U CN209383572U CN201822007628.0U CN201822007628U CN209383572U CN 209383572 U CN209383572 U CN 209383572U CN 201822007628 U CN201822007628 U CN 201822007628U CN 209383572 U CN209383572 U CN 209383572U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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Abstract
A kind of circulating household water purifier of stable water delivery, is related to water treatment field comprising booster pump, film desalination unit and electro-desalting unit, wherein the first concentrated water outlet of film desalination unit is connected to the second water inlet of electro-desalting unit.After film desalting processing, the concentrated water of generation is transported to electro-desalting unit and is further processed, and recycles to moisture therein.The moisture of recycling is transmitted back to normal pressure water-supply-pipe, then is delivered to the processing of film desalination unit via booster pump.The circulating household water purifier setting is rationally, easy to operate, can be increased to 90% or more to the utilization rate of water, achieve the purpose that save water resource.Meanwhile the stable water production of the circulating household water purifier is controllable, can preferably protect reverse osmosis membrane, and improve user experience.A kind of domestic water purifying machine, equipment is simple, easy to operate, and stable water production is controllable, and purifying water effect is good, high to the utilization rate of water, can effectively save water resource.
Description
Technical field
The utility model relates to water treatment fields, fill in particular to a kind of circulating Domestic water purifying of stable water delivery
It sets and domestic water purifying machine.
Background technique
With the development of the society, the improvement of people's living standards, the health that people drink water for itself diet is also increasingly
Pay attention to.Currently, tap water all uses chloridising to handle, water can be effectively prevent to spread the disease, but contain salt, miscellaneous in tap water
Matter and chlorine residue etc., do not have the condition directly drunk, and need purified treatment again before consumption.
In the prior art, tap water is purified frequently with reverse osmosis membrane, to produce the pure water that can directly drink.
Reverse osmosis membrane can effectively prevent the substances such as bacterium, virus, scale, salt ion, only hydrone be allowed to pass through, to guarantee to use water
Safety.And during processing, bacterium, virus, scale, salt ion etc. do not form concentrated water then by the substance of reverse osmosis membrane
Discharge.The volume ratio of currently used reverse osmosis membrane, the concentrated water and pure water that generate in purification is 1:3 or so, is in other words had
1/4 water is slatterned as concentrated water, not high to the utilization rate of water.Meanwhile reverse osmosis water purification units in the prior art, make
With there is water yield in the period, the front is high and the back is low, causes the service life of reverse osmosis membrane to reduce, user experience is bad.
Utility model content
The purpose of this utility model is to provide a kind of circulating household water purifiers of stable water delivery, and it is steady not only to produce water
It is fixed controllable, additionally it is possible to be for further processing to concentrated water, recycle moisture therein, improve entire circulating household water purifier to water
Utilization rate, achieve the purpose that economize on resources.
The another object of the utility model is to provide a kind of domestic water purifying machine comprising above-mentioned circulating Domestic water purifying dress
It sets, stable water production is controllable, and purifying water effect is good, and it is high to the utilization rate of water, it can effectively save water resource.
The embodiments of the present invention are achieved in that
A kind of circulating household water purifier of stable water delivery comprising:
The input terminal of booster pump, booster pump is connected to by normal pressure water-supply-pipe with raw water source；
Film desalination unit, film desalination unit have the first water inlet, the outlet of the first concentrated water and the first production water out；The
One water inlet is connected to by high pressure water transport pipe with the output end of booster pump, and first produces water out connects by outlet pipe and with water terminal
It is logical；
Electro-desalting unit, electro-desalting unit have the second water inlet, the outlet of the second concentrated water and the second production water out；The
First concentrated water outlet of two water inlets and film desalination unit, second produces water out is connected by reflux line and normal pressure water-supply-pipe
It is logical；The outlet of second concentrated water is connected to concentrated water discharge pipe；
Volume control device, volume control device include flow sensor and analyzer-controller, and flow sensor is set to
Outlet pipe, for measuring the water flow in outlet pipe；Power supply of the analyzer-controller respectively with flow sensor and booster pump is electrically connected
It connects, analyzer-controller can analyze the flow signal that flow sensor transmits, and change the output voltage or output frequency of power supply.
Further, in the other preferred embodiments of the utility model, film desalination unit includes nano filter membrance device and reverse osmosis
Any one of permeable membrane device.
Further, in the other preferred embodiments of the utility model, electro-desalting unit includes electrodialysis plant and capacitor
Any one of device desalter；Preferably, electrodialysis plant includes the electro-osmosis of falling pole device.
Further, be provided in the other preferred embodiments of the utility model, before booster pump PP cotton filter device and
First active carbon filtering device, normal pressure water-supply-pipe pass sequentially through PP cotton filter device and the first active carbon filtering device, and with increasing
The input terminal of press pump is connected to.
Further, in the other preferred embodiments of the utility model, it is provided with the first triple valve at the first production water out,
First triple valve is connected to outlet pipe and pure water storage tank respectively.
Further, in the other preferred embodiments of the utility model, the output end of pure water storage tank is connected to outlet pipe, pure
The junction of water storage tank and outlet pipe is located at first and produces between water out and flow sensor；The output end of pure water storage tank is provided with
Solenoid valve, solenoid valve are electrically connected with analyzer-controller, and analyzer-controller can analyze the flow signal that flow sensor transmits, and change
The open and-shut mode of power transformation magnet valve.
Further, it in the other preferred embodiments of the utility model, flow sensor and is provided with between water terminal
Second active carbon filtering device outlet pipe produces water out by first, passes sequentially through flow sensor, the second active carbon filtering dress
It sets, and is connected to with water terminal.
Further, in the other preferred embodiments of the utility model, the outlet of the second concentrated water passes through concentrated water discharge Guan Yunong
The water inlet end of water storage tank is connected to.
Further, in the other preferred embodiments of the utility model, the outlet of the first concentrated water is by by-pass line, around electricity
Desalination unit is connected to the water inlet end of concentrated water storage tank；First concentrated water exit is provided with the second triple valve, the second triple valve difference
It is connected to by-pass line and electro-desalting unit.
A kind of domestic water purifying machine comprising the circulating household water purifier of aforementioned stable water delivery.
The beneficial effect of the utility model embodiment is:
The utility model embodiment provides a kind of circulating household water purifier of stable water delivery comprising booster pump,
Film desalination unit and electro-desalting unit, wherein film desalination unit has the first water inlet, the first concentrated water outlet and first
Water out is produced, the outlet of the first concentrated water is connected to the second water inlet of electro-desalting unit.After film desalting processing, the concentrated water of generation
It is transported to electro-desalting unit to be further processed, moisture therein is recycled.The moisture of recycling is transmitted back to normal pressure water delivery
Pipe, then the processing of film desalination unit is delivered to via booster pump.The circulating household water purifier setting is rationally, easy to operate, leads to
It crosses and adds electro-desalting step, entire circulating household water purifier is increased to 90% or more to the utilization rate of water, reaches saving
The purpose of water resource.Meanwhile the stable water production of the circulating household water purifier is controllable, can preferably protect reverse osmosis membrane,
And improve user experience.
The another object of the utility model is to provide a kind of domestic water purifying machine comprising above-mentioned circulating Domestic water purifying dress
It sets.Its equipment is simple, easy to operate, and stable water production is controllable, and purifying water effect is good, high to the utilization rate of water, can effectively save water money
Source.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of showing for circulating household water purifier of stable water delivery provided by the utility model first embodiment
It is intended to；
Fig. 2 is a kind of showing for circulating household water purifier of stable water delivery provided by the utility model second embodiment
It is intended to；
Fig. 3 is a kind of showing for circulating household water purifier of stable water delivery provided by the utility model 3rd embodiment
It is intended to；
Fig. 4 is a kind of showing for circulating household water purifier of stable water delivery provided by the utility model fourth embodiment
It is intended to.
Icon: the circulating household water purifier of 100-；110- booster pump；120- film desalination unit；130- electro-desalting unit；
141- normal pressure water-supply-pipe；142- high pressure water transport pipe；143- outlet pipe；144- reflux line；145- concentrated water discharge pipe；151- flow
Sensor；152- analyzer-controller；153- power supply；The circulating household water purifier of 200-；210-PP cotton filter device；220-
One active carbon filtering device；The second active carbon filtering device of 230-；The circulating household water purifier of 300-；310- pure water storage tank；
The first triple valve of 311-；312- solenoid valve；The circulating household water purifier of 400-；410- concentrated water storage tank；420- by-pass line；
The second triple valve of 421-.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this
Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model
Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
First embodiment
A kind of circulating household water purifier 100 of stable water delivery is present embodiments provided, it is shown referring to Fig.1 comprising
Booster pump 110, film desalination unit 120, electro-desalting unit 130 and volume control device.
Wherein, the input terminal of booster pump 110 is connected to by normal pressure water-supply-pipe 141 with raw water source.In general, raw water source is
Municipal tap water, it is not limited to municipal tap water, is also possible to other water sources.Booster pump 110 is for increasing raw water
Pressure, and it is delivered to film desalination unit 120.
Further, film desalination unit 120 includes any one of nano filter membrance device and reverse osmosis membrane apparatus.Specifically,
Film desalination unit 120 has the first water inlet, the outlet of the first concentrated water and the first production water out.First water inlet passes through high pressure
Water-supply-pipe 142 is connected to the output end of booster pump 110, and the first production water out is connected to by outlet pipe 143 with water terminal.Pressurization
Water afterwards is entered in film desalination unit 120 by high pressure water transport pipe 142 through the first water inlet, after film desalting processing, is obtained
Pure water and concentrated water, pure water produce water out by first, and the use water terminal of user, such as tap etc. are delivered to through outlet pipe 143.It produces
Raw concentrated water is then delivered to electro-desalting unit 130 by the outlet of the first concentrated water and is further processed.
Optionally, electro-desalting unit 130 includes any one of electrodialysis plant and capacitor desalter；Preferably,
The electrodialysis plant includes the electro-osmosis of falling pole device.Specifically, electro-desalting unit 130 has the second water inlet, the second concentrated water
Outlet and the second production water out.First concentrated water outlet of the second water inlet and film desalination unit 120, the second production water go out
Mouth is connected to by reflux line 144 with normal pressure water-supply-pipe 141.The outlet of second concentrated water is connected to concentrated water discharge pipe 145.It is dense by first
The concentrated water of water out discharge is entered in electro-desalting unit 130 by the second water inlet, is handled by electro-desalting, and salt content is generated
Lower recyclable water and the higher super concentrated water of salt content.Recyclable water produces water out discharge by second, by reflux line
144 flow back into normal pressure water-supply-pipe 141 and mix with raw water, are delivered in film desalination unit 120 and carry out again via booster pump 110
Film desalting processing.
Volume control device includes flow sensor 151 and analyzer-controller 152, and flow sensor 151 is set to water outlet
Pipe 143, for measuring the water flow in outlet pipe 143.Analyzer-controller 152 respectively with flow sensor 151 and booster pump 110
Power supply 153 be electrically connected, analyzer-controller 152 can analyze the flow signal that flow sensor 151 transmits, and be believed according to flow
Breath, to change the output voltage or output frequency of power supply 153, increases or decreases the carrying capacity of booster pump 110, to reach stable production
The effect of water.
Second embodiment
A kind of circulating household water purifier 200 of stable water delivery is present embodiments provided, referring to shown in Fig. 2 comprising
Booster pump 110, film desalination unit 120, electro-desalting unit 130 and volume control device, are provided in first embodiment
Circulating household water purifier 100 on the basis of further improvement.
In the present embodiment, PP cotton filter device 210 and the first active carbon filtering device are provided with before booster pump 110
220, normal pressure water-supply-pipe 141 passes sequentially through PP cotton filter device 210 and the first active carbon filtering device 220, and with booster pump 110
Input terminal connection.Before raw water is pressurized by booster pump 110, PP cotton filter device 210 and the filtering of the first active carbon are first passed through
Device 220 is filtered water, on the one hand water purification may be can be improved containing substances such as granule foreign, chlorine residue by removing in raw water
Effect, on the other hand better protection can be formed to booster pump 110 and reverse osmosis membrane.
Meanwhile in flow sensor 151 and with the second active carbon filtering device 230 is provided between water terminal, second is living
Property charcoal filter device 230 further filters water, avoiding can in water treatment procedure before the pure water arrival water terminal of output
The impurity such as the scale that can be introduced are entered with water terminal.
3rd embodiment
A kind of circulating household water purifier 300 of stable water delivery is present embodiments provided, referring to shown in Fig. 3 comprising
Booster pump 110, film desalination unit 120, electro-desalting unit 130 and volume control device, are provided in second embodiment
Circulating household water purifier 200 on the basis of further improvement.
In the present embodiment, the first triple valve 311 is provided at the first production water out, the first triple valve 311 respectively and goes out
Water pipe 143 is connected to pure water storage tank 310.The output end of pure water storage tank 310 is connected to outlet pipe 143, pure water storage tank 310 and water outlet
The junction of pipe 143 is located at first and produces between water out and flow sensor 151.Pure water storage tank 310 is primary booster pump 110
In start-up course, a large amount of pure water is stored, is supplied to the use of user's long period.To avoid frequently opening for booster pump 110
Stop, causes the loss of equipment.
Meanwhile the output end of pure water storage tank 310 is provided with solenoid valve 312, solenoid valve 312 is electrically connected with analyzer-controller 152
It connects, analyzer-controller 152 can analyze the flow signal that flow sensor 151 transmits, and change solenoid valve 312 according to flow signal
Open and-shut mode, the flow in Lai Zengjia outlet pipe 143.Pure water storage tank 310 can cannot provide enough in time in booster pump 110
Carrying capacity when, the supplementary source as water carrys out the water flow in jointly stabilizing outlet pipe 143.
Fourth embodiment
A kind of circulating household water purifier 400 of stable water delivery is present embodiments provided, referring to shown in Fig. 4 comprising
Booster pump 110, film desalination unit 120, electro-desalting unit 130 and volume control device, are provided in 3rd embodiment
Circulating household water purifier 300 on the basis of further improvement.
In the present embodiment, the second concentrated water outlet is connected to by concentrated water discharge pipe 145 with the water inlet end of concentrated water storage tank 410.
In concentrated water contain more salinity and other impurity, be not appropriate for directly drinking, but its can still apply it is right at some other
Water scene of less demanding, such as flushing the toilet, putting on the skin floor etc..And in the prior art, concentrated water causes water often by direct emission
The waste of resource.Concentrated water can be stored by adding concentrated water storage tank 410 then, give over to other places and use.
Preferably, the outlet of the first concentrated water is by by-pass line 420, around electro-desalting unit 130 and concentrated water storage tank 410 into
Water end (W.E.) connection.Specifically, the first concentrated water exit is provided with the second triple valve 421, the second triple valve 421 respectively with by-pass line
420 are connected to electro-desalting unit 130.It is adjustable when demand of the user for concentrated water is larger for certain specific conditions
The open state of second triple valve 421, by film desalination unit 120, treated that concentrated water directly passes through by-pass line 420 is delivered to
Concentrated water storage tank 410 uses, to meet use of the user to concentrated water.
In conclusion the utility model embodiment provides a kind of circulating household water purifier of stable water delivery, packet
Include booster pump, film desalination unit and electro-desalting unit, wherein film desalination unit have the first water inlet, the first concentrated water outlet,
And first produce water out, the first concentrated water outlet be connected to the second water inlet of electro-desalting unit.After film desalting processing, produce
Raw concentrated water is transported to electro-desalting unit and is further processed, and recycles to moisture therein.The moisture of recycling is transmitted back to
Normal pressure water-supply-pipe, then the processing of film desalination unit is delivered to via booster pump.The circulating household water purifier setting rationally, operates
Simply, by adding electro-desalting step, entire circulating household water purifier is increased to 90% or more to the utilization rate of water, is reached
To the purpose for saving water resource.Meanwhile the stable water production of the circulating household water purifier is controllable, can preferably protect reverse osmosis
Permeable membrane, and improve user experience.
The another object of the utility model is to provide a kind of domestic water purifying machine comprising above-mentioned circulating Domestic water purifying dress
It sets.Its equipment is simple, easy to operate, and stable water production is controllable, and purifying water effect is good, high to the utilization rate of water, can effectively save water money
Source.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of circulating household water purifier of stable water delivery characterized by comprising
The input terminal of booster pump, the booster pump is connected to by normal pressure water-supply-pipe with raw water source；
Film desalination unit, the film desalination unit have the first water inlet, the outlet of the first concentrated water and the first production water out；Institute
It states the first water inlet to be connected to by high pressure water transport pipe with the output end of the booster pump, the first production water out passes through outlet pipe
It is connected to with water terminal；
Electro-desalting unit, the electro-desalting unit have the second water inlet, the outlet of the second concentrated water and the second production water out；Institute
The first concentrated water outlet of the second water inlet Yu the film desalination unit is stated, the second production water out passes through return pipe
Road is connected to the normal pressure water-supply-pipe；The second concentrated water outlet is connected to concentrated water discharge pipe；
Volume control device, the volume control device include flow sensor and analyzer-controller, and the flow sensor is set
It is placed in the outlet pipe, for measuring the water flow in the outlet pipe；The analyzer-controller respectively with the flow sensing
The power electric connection of device and the booster pump, the analyzer-controller can analyze the flow signal that the flow sensor transmits,
And change the output voltage or output frequency of the power supply.
2. circulating household water purifier according to claim 1, which is characterized in that the film desalination unit includes nanofiltration
Any one of film device and reverse osmosis membrane apparatus.
3. circulating household water purifier according to claim 1, which is characterized in that the electro-desalting unit includes electric osmose
Any one of analysis apparatus and capacitor desalter；The electrodialysis plant includes the electro-osmosis of falling pole device.
4. circulating household water purifier according to claim 1, which is characterized in that be provided with PP before the booster pump
Cotton filter device and the first active carbon filtering device, the normal pressure water-supply-pipe pass sequentially through the PP cotton filter device and described
One active carbon filtering device, and be connected to the input terminal of the booster pump.
5. circulating household water purifier according to claim 1, which is characterized in that described first produces setting at water out
There is the first triple valve, first triple valve is connected to the outlet pipe and pure water storage tank respectively.
6. circulating household water purifier according to claim 5, which is characterized in that the output end of the pure water storage tank with
The junction of the outlet pipe connection, the pure water storage tank and the outlet pipe is located at described first and produces water out and the flow
Between sensor；The output end of the pure water storage tank is provided with solenoid valve, and the solenoid valve is electrically connected with the analyzer-controller,
The analyzer-controller can analyze the flow signal that the flow sensor transmits, and change the open and-shut mode of the solenoid valve.
7. circulating household water purifier according to claim 6, which is characterized in that the flow sensor with water end
It is provided with the second active carbon filtering device between end and passes sequentially through the stream the outlet pipe produces water out by described first
Quantity sensor, second active carbon filtering device, and be connected to with water terminal.
8. circulating household water purifier according to claim 1, which is characterized in that the second concentrated water outlet passes through institute
Concentrated water discharge pipe is stated to be connected to the water inlet end of concentrated water storage tank.
9. circulating household water purifier according to claim 8, which is characterized in that the first concentrated water outlet passes through side
It threads a pipe, is connected to around the electro-desalting unit with the water inlet end of the concentrated water storage tank；First concentrated water exit is provided with
Second triple valve, second triple valve are connected to the by-pass line and the electro-desalting unit respectively.
10. a kind of domestic water purifying machine, which is characterized in that including circulating Domestic water purifying as described in any one of claims 1 to 9
Device.
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| CN201822007628.0U CN209383572U (en) | 2018-11-30 | 2018-11-30 | A kind of circulating household water purifier and domestic water purifying machine of stable water delivery |
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| CN201822007628.0U CN209383572U (en) | 2018-11-30 | 2018-11-30 | A kind of circulating household water purifier and domestic water purifying machine of stable water delivery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109336304A (en) * | 2018-11-30 | 2019-02-15 | 佛山市云米电器科技有限公司 | A kind of circulating household water purifier and domestic water purifying machine of stable water delivery |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109336304A (en) * | 2018-11-30 | 2019-02-15 | 佛山市云米电器科技有限公司 | A kind of circulating household water purifier and domestic water purifying machine of stable water delivery |
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Effective date of registration: 20211015 Address after: 528000 No.2, North Xinxi 4th Road, Xiashi village, Lunjiao street, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Chestnut Technology Co.,Ltd. Address before: No.2, north of Xinxi 4th Road, Xiashi village committee, Lunjiao sub district office, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN VIOMI ELECTRICAL TECHNOLOGY Co.,Ltd. Patentee before: Chen Xiaoping |