CN206666273U - Reverse osmosis membrane purifier and water purifier - Google Patents
Reverse osmosis membrane purifier and water purifier Download PDFInfo
- Publication number
- CN206666273U CN206666273U CN201720288540.3U CN201720288540U CN206666273U CN 206666273 U CN206666273 U CN 206666273U CN 201720288540 U CN201720288540 U CN 201720288540U CN 206666273 U CN206666273 U CN 206666273U
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- water
- pipeline
- pure water
- reverse osmosis
- osmosis membrane
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Abstract
The utility model discloses a kind of reverse osmosis membrane purifier and water purifier, wherein, the reverse osmosis membrane purifier includes：Counter-infiltration filter core, the counter-infiltration filter core have water inlet, pure water outlet and wastewater outlet；Raw water pipeline, it is connected with the water inlet, and the raw water pipeline is provided with booster pump；Pure water pipeline, export and connect with the pure water；And waste line, it is connected with the wastewater outlet, and antisludging agent module and wastewater valve are provided with the waste line, the antisludging agent module is between the wastewater valve and the wastewater outlet.Technical solutions of the utility model can prevent the generation of the phenomenon containing antisludging agent in user's drinking-water.
Description
Technical field
Water purification field is the utility model is related to, more particularly to a kind of reverse osmosis membrane purifier and water purifier.
Background technology
For reverse osmosis water purifier water system, to discharge waste water before film while ensureing and press before reverse osmosis membrane, therefore its waste water
The wastewater valve of outlet side is generally small structure.But because the waste water ion concentration before reverse osmosis membrane is very high, easily in waste water
Calcium, the incrustation scale of magnesium salts are formed at valve, so as to cause wastewater valve to block.It is existing generally in whole water to avoid wastewater valve from blocking
Addition antisludging agent in the preposition filter core of system, water system is during operation, the antisludging agent sustained release in preposition filter core, so as to hinder
Only rear end incrustation scale generates.But because antisludging agent has certain influence on health, even if being placed on before counter-infiltration filter core,
Also it is difficult to filter out completely totally, especially when counter-infiltration filter core disabler by counter-infiltration filter core so that inside pure water also contain
There is antisludging agent, so as to be damaged to user.
Utility model content
Main purpose of the present utility model is to propose a kind of reverse osmosis membrane purifier, it is intended to prevents user in drinking water containing resistance
Dirty agent.
To achieve the above object, the utility model proposes reverse osmosis membrane purifier, including：
Counter-infiltration filter core, the counter-infiltration filter core have water inlet, pure water outlet and wastewater outlet；
Raw water pipeline, it is connected with the water inlet, and the raw water pipeline is provided with booster pump；
Pure water pipeline, export and connect with the pure water；And
Waste line, it is connected with the wastewater outlet, and antisludging agent module and wastewater valve, institute is provided with the waste line
Antisludging agent module is stated between the wastewater valve and the wastewater outlet.
Preferably, on the waste line, and first is additionally provided between the antisludging agent module and the wastewater outlet
Check valve.
Preferably, the raw water pipeline is provided with preposition filter core and water pipeline, and the booster pump is located at the preposition filter core
Between the counter-infiltration filter core；Described water pipeline one end is connected between the preposition filter core and the booster pump.
Preferably, the reverse osmosis membrane purifier also includes controller and water storage pipeline, described water storage pipeline one end with
The pure water pipeline connection, the other end is provided with catch basin and the first detection piece, water intaking valve is additionally provided with the raw water pipeline, described
Controller is electrically connected with first detection piece and the water intaking valve respectively, and the controller is used for when the described first detection
When part detects that water reaches preset value in the catch basin, the water intaking valve is controlled to close.
Preferably, the catch basin is pressurized tank, and first detection piece is the pressure for being arranged on the pressurized tank water inlet end
Power switchs, and the controller is used for when the pressure switch detects that the pressure pressure inside the tank reaches higher limit, controls institute
State pressure switch disconnection.
Preferably, the catch basin is water bag, and water pump is additionally provided with the pure water pipeline, and the water pump is located at the water storage
Between the water side of the water inlet end of pipeline and the pure water pipeline.
Preferably, the water side of the pure water pipeline is provided with the second detection piece for being used for detecting the water side folding, described
Controller is electrically connected with second detection piece, and for detecting the water outlet of the pure water pipeline when second detection piece
When end is opened, the water pump is controlled to open, and for detecting the pure water pipeline water side closure when second detection piece
When, control the water pump to close.
Preferably, second detection piece includes pressure switch and the second check valve, and the pressure switch is positioned at described pure
Between the water side of water lines and second check valve, for detecting the pressure of the water side of the pure water pipeline.
Preferably, protection pipeline is additionally provided with the pure water pipeline, the both ends of the protection pipeline correspond to and the water pump
Water inlet end connected with water side, it is described protection pipeline be provided with the controller be electrically connected with flow-limiting valve, the control
Device is used to, when the water side of the pure water pipeline is opened, control the flow-limiting valve to close, and for when the pure water pipeline
When water side is closed, the flow-limiting valve is controlled to open.
Preferably, the 3rd check valve is additionally provided with the pure water pipeline, the 3rd check valve is located at pure water outlet
Between the water storage pipeline.
The utility model also proposes a kind of water purifier, and the water purifier includes reverse osmosis membrane purifier, the counter-infiltration
Film purifier includes：
Counter-infiltration filter core, the counter-infiltration filter core have water inlet, pure water outlet and wastewater outlet；
Raw water pipeline, it is connected with the water inlet, and the raw water pipeline is provided with booster pump；
Pure water pipeline, export and connect with the pure water；And
Waste line, it is connected with the wastewater outlet, and antisludging agent module and wastewater valve, institute is provided with the waste line
Antisludging agent module is stated between the wastewater valve and the wastewater outlet.
In the utility model, by setting antisludging agent module in the waste line between wastewater valve and wastewater outlet, then
When waste water flows through the antisludging agent module, the antisludging agent in antisludging agent module can be sustained, and be formed with the calcium in water, magnesium ion
Soluble complexes, to prevent the generation of the incrustation scales such as calcium, magnesium salts, blocked useless so as to avoid incrustation scale from being attached on wastewater valve
The generation of water valve phenomenon.Simultaneously as antisludging agent module is provided on waste line, the waste water after antisludging agent acts on is straight
Run in the external world, so as to avoid the generation containing antisludging agent phenomenon in pure water.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the utility model reverse osmosis membrane purifier one；
The structural representation of another embodiment of Fig. 2 the utility model reverse osmosis membrane purifiers；
The structural representation of the another embodiment of Fig. 3 the utility model reverse osmosis membrane purifiers.
Drawing reference numeral explanation：
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is relative between each part under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning
The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one
Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical scheme is conflicting or can not realize
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of water purifier, the water purifier includes housing and the counter-infiltration in the housing
Film purifier.
In the utility model embodiment, as shown in figure 1, the reverse osmosis membrane purifier includes：
Counter-infiltration filter core 100, the counter-infiltration filter core 100 have water inlet a, pure water outlet b and wastewater outlet c；
Raw water pipeline 200, it is connected with the water inlet a, and the raw water pipeline 200 is provided with booster pump 230；
Pure water pipeline 300, it is connected with pure water outlet b；And
Waste line 400, it is connected with the wastewater outlet c, and antisludging agent module 420 is provided with the waste line 400
With wastewater valve 430, the antisludging agent module 420 is between the wastewater valve 430 and the wastewater outlet c.
The antisludging agent module 420 includes antisludging agent, and the antisludging agent is preferably phosphoric acid salt material, such as Si-P crystal.Should
Antisludging agent can separate out phosphoric acid salt material, and form soluble complexes with calcium, magnesium ion in water, so as to prevent calcium, magnesium salts
The generation of the incrustation scales such as class.Certainly, the antisludging agent is alternatively nonphosphate class material, not to resistance in the utility model embodiment
The type of dirty agent is limited, as long as the material that can be generated with prevention incrustation scale.And in order to prevent antisludging agent from being rushed by waste water
Walk, the antisludging agent module 420 also includes filter screen, and the filter screen in the form of sheets, and can be arranged on the wastewater valve 430 and the resistance
Between dirty agent, to stop that the antisludging agent follows waste water to flow out, certainly, the filter screen can also enclose to form an accommodating cavity, described
Antisludging agent is placed in the accommodating cavity.
The wastewater valve 430 is preferably magnetic valve or waste water proportioner, can so adjust water in the waste line 400
The size of stream, when whole system is used for Pure-water Making, by turning the aperture of wastewater valve 430 down, it can avoid in waste line 400
Current are excessive, and waste water outflow is too fast and causes reverse osmosis membrane front end hydraulic pressure too low；And when needs rush to the wastewater valve 430
When washing, by the way that the wastewater valve 430 is adjusted into full-gear, to increase current in waste line 400, so as to preferably to institute
Wastewater valve 430 is stated to be rinsed.
Generally, in order to carry out multistage filtering to raw water, then one or more preposition filter cores are additionally provided with raw water pipeline 200
210, one or more rearmounted filter cores 330 are provided with the pure water pipeline 300.
Specifically, one end of the raw water pipeline 200 is connected with the water inlet a, and the other end is connected with external water source.Institute
The one end and pure water outlet b for stating pure water pipeline 300 be connecteds, the housing of the other end stretching water purifier, and be used for for
Family provides pure water and used.Described one end of waste line 400 is connected with the wastewater outlet c, and the other end is extended to outside housing, with row
Go out waste water.During specific running, external water source is that raw water flows into the raw water pipeline 200, and the increasing on the raw water pipeline 200
It is pressurized in the presence of press pump 230, the raw water after supercharging flows to the counter-infiltration filter core 100, the counter-infiltration filter core
100 pairs of raw waters purify, and to obtain pure water, pure water flows to the pure water pipeline 300 from pure water outlet b, so that user drinks,
Remaining condensed water is filtered through the counter-infiltration filter core 100, i.e. waste water is then directly over waste line 400 and discharged.
In the utility model, by setting antisludging agent in the waste line 400 between wastewater valve 430 and wastewater outlet c
Module 420, then when waste water flows through the antisludging agent module 420, the antisludging agent in antisludging agent module 420 can be sustained, and and water
In calcium, magnesium ion formed soluble complexes, to prevent the generation of the incrustation scales such as calcium, magnesium salts, so as to avoid incrustation scale from adhering to
The generation of the phenomenon of wastewater valve 430 is blocked on wastewater valve 430.Simultaneously as antisludging agent module 420 is provided in waste line
On 400, the waste water after antisludging agent acts on is expelled directly out the external world, so as to avoid the production containing antisludging agent phenomenon in pure water
It is raw.
The first check valve 410 is additionally provided with the waste line 400, first check valve 410 is located at the antisludging agent
Between module 420 and the wastewater outlet c, to prevent the return of waste water in the waste line 400 to the counter-infiltration filter core
In 100.In the embodiment, by setting first check valve 410, the antisludging agent that can avoid being dissolved in waste water is back to
Counter-infiltration filter core 100, so as to avoid the pollution to pure water.
As shown in Fig. 2 the generally raw water pipeline 200 is provided with preposition filter core 210, the preposition filter core 210 is arranged on raw water
Between the water inlet end and booster pump 230 of pipeline 200, primary filter can be carried out to raw water, after the filtering of preposition filter core 210
Raw water, its impurity and bacterium etc. greatly reduce, and can for users to use, therefore in the preposition filter core 210 and the booster pump
Water pipeline 500 is provided between 230, the water pipeline 500 is extended to outside housing, is obtained after the filtering of preposition filter core 210
Water purification, can be flowed out through water pipeline 500 with for users to use.Such user can use and arrive only with the preposition mistake of filter core 210
The water of filter, reach the purpose of water quality based water utilization.
The reverse osmosis membrane purifier also includes controller and water storage pipeline 600, described one end of water storage pipeline 600 and institute
State pure water pipeline 300 to connect, the other end is provided with the detection piece 620 of catch basin 610 and first, is additionally provided with the raw water pipeline 200
Water intaking valve 220, the controller is electrically connected with first detection piece 620 and the water intaking valve 220 respectively, and the control
Device is used for when first detection piece 620 detects that water reaches preset value in the catch basin 610, controls the water intaking valve
220 close.It should be noted that in the embodiment, first detection piece 620 is used to detect water in the catch basin 610,
Can be specifically hydraulic pressure, liquid level or weight in the detection catch basin 610 etc..Water in wherein described catch basin 610
It can be higher limit or lower limit to reach the preset value in preset value, for example, in certain embodiments, it is described default
Value refers to higher limit, i.e., when the water storage of catch basin 610 is more or complete storage is full, the controller controls the water intaking valve 220
Close, to cause raw water to be no longer flow into, meanwhile, the controller is additionally operable to control the booster pump 230 to be stopped, to cause
Complete machine is shut down.In further embodiments, the preset value refers to lower limit, i.e., when the inner storing water of catch basin 610 is less, table
The flowing of bright raw water is broken down (such as water intaking valve 220 is closed or the water inlet end of raw water pipeline 200 is not connected with external water source), this
When, the controller controls the water intaking valve 220 to close, and controls the booster pump 230 to be stopped, to cause complete machine to stop
Machine, so as to facilitate user to fix a breakdown.In the embodiment, by setting catch basin 610, it can store by counter-infiltration filter core
The pure water obtained after 100 filterings, with for users to use.
The catch basin 610 can be pressurized tank or water bag or common water pot etc., for example, in one embodiment, the water storage
Part 610 is pressurized tank, and first detection piece 620 is the pressure switch for being arranged on the pressurized tank water inlet end, the controller
For when the pressure switch detects that the pressure pressure inside the tank reaches higher limit, controlling the pressure switch to disconnect.Tool
Body, when water is full in the pressurized tank, water can overflow and flow back, and pressure switch senses the pressure of backflow, and pressure is passed
Controller is passed, then pressure switch disconnects the controller according to the Stress control that this is detected, that is, causes the water storage
Connection between pipeline 600 and the pure water pipeline 300 disconnects, to avoid the water in the pressurized tank from being back to pure water pipeline
300, the phenomenon being even back in the counter-infiltration filter core 100, while the controller also controls the water intaking valve 220 to close
Close, to cause whole system to stop water inlet.
In another embodiment, incorporated by reference to reference to figure 3, the catch basin 610 is water bag, is gone back in the pure water pipeline 300
Provided with water pump 320, the water pump 320 be located at the water inlet end of the water storage pipeline 600 and the pure water pipeline 300 water side it
Between, when user needs to use water, to extract the pure water in water bag out.In the embodiment, the first detection piece 620 is to be arranged on the storage
Liquid level detector or pressure sensor or weight tester in water bag etc..Specifically, when first detection piece 620 detects
The pressure that liquid level in the water storage bag is risen in higher limit, or the water storage bag rises to higher limit, or the storage
When the overall weight of water bag reaches higher limit (it is of course also possible to being to reach lower limit), the controller controls the water intaking valve
220 close, to cause whole system to stop water inlet.
Further, in another embodiment, the water side of the pure water pipeline 300, which is provided with, to be used to detect the water side
Second detection piece 340 of folding, the controller are electrically connected with second detection piece 340, and for when the described second inspection
When surveying part 340 and detecting that the water side of the pure water pipeline 300 is opened, the water pump 320 is controlled to open, and for when described the
When two detection pieces 340 detect the water side of pure water pipeline 300 closure, the water pump 320 is controlled to close.In the embodiment,
Second detection piece 340 can be contact induction device or pressure sensor etc., i.e., by with the water side of pure water pipeline 300
The outlet valve at place contacts to sense whether outlet valve is opened, or judges water side by detecting the change of the water outlet end pressure
Whether open.Preferably, second detection piece 340 includes the check valve 342 of pressure switch 341 and second, the pressure switch
341 between the water side of the pure water pipeline 300 and second check valve 342, for detecting the pure water pipeline
The pressure of 300 water side.By setting second check valve 342, so as to avoid flowing to the water side of pure water pipeline 300
Pure water backflow, then when the water side is closed, because pure water constantly flows to the water side so that the water side and second unidirectional
Pressure increase in pipeline between valve 342, when pressure increase at pressure switch 341 detects the water side of pure water pipeline 300,
Show that user need not use pure water, therefore the controller controls the water pump 320 to be stopped.
Protection pipeline 700 is additionally provided with the pure water pipeline 300, protection pipeline 700 both ends correspond to and the water pump
320 water inlet end connects with water side, and specifically, described protection pipeline 700 one end is connected to the water pump 320 and the water storage
Between pipeline 600, the other end is connected between the water pump 320 and second check valve 342, on the protection pipeline 700
Provided with the flow-limiting valve 710 being electrically connected with the controller, the controller is used for when the water side of the pure water pipeline 300 is beaten
When opening, control the flow-limiting valve 710 to close, when the water side of the pure water pipeline 300 is closed, control the flow-limiting valve 710
Open.In the embodiment, when the water side of the pure water pipeline 300 is opened, if the flow-limiting valve 710 is opened, by water
The water that pump 320 is extracted out will be back to the water inlet end of water pump 320 from the protection pipeline 700, therefore work as going out for the pure water pipeline 300
, it is necessary to which the flow-limiting valve 710 is closed when water end (W.E.) is opened；And when the water side of the pure water pipeline 300 is closed, if the water
Water of the pump 320 still in the extraction water bag that works on, therefore need to open the flow-limiting valve 710 so that the water extracted passes through
The protection pipeline 700 is back in water bag, to avoid hydraulic pressure in pure water pipeline 300 excessive.
To avoid the water in pure water pipeline 300 from being back in counter-infiltration filter core 100, therefore also set in the pure water pipeline 300
There is the 3rd check valve 310, the 3rd check valve 310 is located between pure water outlet b and the water storage pipeline 600.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure change under inventive concept of the present utility model, made using the utility model specification and accompanying drawing content
Change, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (11)
- A kind of 1. reverse osmosis membrane purifier, it is characterised in that including：Counter-infiltration filter core, the counter-infiltration filter core have water inlet, pure water outlet and wastewater outlet；Raw water pipeline, it is connected with the water inlet, and the raw water pipeline is provided with booster pump；Pure water pipeline, export and connect with the pure water；AndWaste line, it is connected with the wastewater outlet, and antisludging agent module and wastewater valve, the resistance is provided with the waste line Dirty agent module is between the wastewater valve and the wastewater outlet.
- 2. reverse osmosis membrane purifier as claimed in claim 1, it is characterised in that on the waste line, and in the resistance The first check valve is additionally provided between dirty agent module and the wastewater outlet.
- 3. reverse osmosis membrane purifier as claimed in claim 1, it is characterised in that the raw water pipeline be provided with preposition filter core and Water pipeline, the booster pump is between the preposition filter core and the counter-infiltration filter core；The water pipeline is connected to institute State between preposition filter core and the booster pump.
- 4. reverse osmosis membrane purifier as claimed in claim 1, it is characterised in that the reverse osmosis membrane purifier also includes Controller and water storage pipeline, described water storage pipeline one end are connected with the pure water pipeline, and the other end is provided with catch basin and the first inspection Part is surveyed, water intaking valve is additionally provided with the raw water pipeline, the controller is electric with first detection piece and the water intaking valve respectively Property connection, and the controller be used for when first detection piece detects that water reaches preset value in the catch basin, control The water intaking valve is made to close.
- 5. reverse osmosis membrane purifier as claimed in claim 4, it is characterised in that the catch basin is pressurized tank, described One detection piece is the pressure switch for being arranged on the pressurized tank water inlet end, and the controller is used for when the pressure switch detects When the pressure pressure inside the tank reaches higher limit, the pressure switch is controlled to disconnect.
- 6. reverse osmosis membrane purifier as claimed in claim 4, it is characterised in that the catch basin is water bag, the pure water Water pump is additionally provided with pipeline, the water pump is between the water inlet end of the water storage pipeline and the water side of the pure water pipeline.
- 7. reverse osmosis membrane purifier as claimed in claim 6, it is characterised in that the water side of the pure water pipeline, which is provided with, to be used In the second detection piece for detecting the water side folding, the controller is electrically connected with second detection piece, and for working as institute When stating the second detection piece and detecting that the water side of the pure water pipeline is opened, the water pump is controlled to open, and for when described the When two detection pieces detect the pure water pipeline water side closure, the water pump is controlled to close.
- 8. reverse osmosis membrane purifier as claimed in claim 7, it is characterised in that second detection piece includes pressure switch With the second check valve, the pressure switch is located between water side and second check valve of the pure water pipeline, for Detect the pressure of the water side of the pure water pipeline.
- 9. reverse osmosis membrane purifier as claimed in claim 7, it is characterised in that be additionally provided with protection pipe in the pure water pipeline Road, the both ends of the protection pipeline are corresponding be connected with the water inlet end of the water pump and water side, it is described protect pipeline provided with The flow-limiting valve that the controller is electrically connected with, the controller are used to, when the water side of the pure water pipeline is opened, control institute Flow-limiting valve closing is stated, and for when the water side of the pure water pipeline is closed, controlling the flow-limiting valve to open.
- 10. the reverse osmosis membrane purifier as described in claim 4 to 9 any one, it is characterised in that in the pure water pipeline The 3rd check valve is additionally provided with, the 3rd check valve is located between pure water outlet and the water storage pipeline.
- 11. a kind of water purifier, it is characterised in that the water purifier includes the reverse osmosis as described in claim 1 to 10 any one Permeable membrane purifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720288540.3U CN206666273U (en) | 2017-03-22 | 2017-03-22 | Reverse osmosis membrane purifier and water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720288540.3U CN206666273U (en) | 2017-03-22 | 2017-03-22 | Reverse osmosis membrane purifier and water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206666273U true CN206666273U (en) | 2017-11-24 |
Family
ID=60374398
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720288540.3U Expired - Fee Related CN206666273U (en) | 2017-03-22 | 2017-03-22 | Reverse osmosis membrane purifier and water purifier |
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| CN (1) | CN206666273U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108623038A (en) * | 2017-03-22 | 2018-10-09 | 佛山市顺德区美的饮水机制造有限公司 | Reverse osmosis membrane purifier and water purifier |
| CN110282781A (en) * | 2019-07-11 | 2019-09-27 | 天津碧水源膜材料有限公司 | A kind of method for preventing water purifier waste water current-limiting apparatus dirt stifled and water purifier |
-
2017
- 2017-03-22 CN CN201720288540.3U patent/CN206666273U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108623038A (en) * | 2017-03-22 | 2018-10-09 | 佛山市顺德区美的饮水机制造有限公司 | Reverse osmosis membrane purifier and water purifier |
| CN108623038B (en) * | 2017-03-22 | 2023-11-28 | 佛山市顺德区美的饮水机制造有限公司 | Reverse osmosis membrane water purification device and water purifier |
| CN110282781A (en) * | 2019-07-11 | 2019-09-27 | 天津碧水源膜材料有限公司 | A kind of method for preventing water purifier waste water current-limiting apparatus dirt stifled and water purifier |
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