CN1686834A - Water saving sealing type pure water appliances - Google Patents
Water saving sealing type pure water appliances Download PDFInfo
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- CN1686834A CN1686834A CN 200510033664 CN200510033664A CN1686834A CN 1686834 A CN1686834 A CN 1686834A CN 200510033664 CN200510033664 CN 200510033664 CN 200510033664 A CN200510033664 A CN 200510033664A CN 1686834 A CN1686834 A CN 1686834A
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Abstract
The present invention relates to a water-saving leakage-proof water-purifying machine, belonging to the field of water treatment technology. Said water-purifying machine includes the following components: pressure-limited boosting water pump, reverse osmosis membrane filter, control unit, concentrated water pressure water-storage tank, valves, pipeline and water inlet and outlet.
Description
Technical field
The present invention relates to a kind of water saving, sealing type pure water appliances of water technology.
Background technology
Serious day by day along with water pollution, the raising of people's living standard, to the attention of health, also more and more higher to the requirement of tap water.So the reverse-osmosis treated technology is introduced into the treatment technology that is applied to tap water from industrial circle gradually, nearly ten years again gradually develop into the form that terminal purifies, that is family and commercial small-sized water purification machine allow people use healthy, safe pure water.
But, though the reverse-osmosis treated technology has many good qualities, but its maximum weak point is when producing pure water, produced a part of condensed water, the small-sized water purification machine that uses in family particularly, its condensed water is 2～4 times of pure water, and condensed water is used as direct discharging of waste water usually and waste, generally occur in the whole world under the situation of lack of water, this makes further popularizing of water purification machine be subjected to restriction undoubtedly.How reclaiming the condensed water that water purification machine produces when making pure water easily is that reverse osmosis water purification machine needs a urgent technology emphasis and difficult problems that solve.Under present state of the art, most cases is simply directly condensed water to be discharged in the waste water system, and the part type uses simple bucket to reclaim, and uses very inconvenience.
In actual applications, also having a problem is exactly the problem of leaking, and its major cause is:
1, the in use progressively contaminated thing of RO film stops up, and booster water pump goes out water resistance and increases gradually, causes overload operation and leaks;
2, high building user's water feeding pressure difference, the water feeding pressure of same user's different time are also different, and the general used booster water pump of water purification machine can rise along with the lifting of intake pressure, when pressure rises and surpass to a certain degree, just are easy to leak.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point of the prior art and provide a kind of set up condensed water pressure water storage barrel device and store, supply condensed water or the condensed water that is connected through the condensed water pressure switch directly is set according to the demand of bath water use valve, reach condensed water 100% to be recovered utilization; Set up the limited pressure booster water pump, when pump outlet pressure rose to set(ting)value, a part of water released from another pressure release outlet of pump, makes the top hole pressure of water pump can not surpass set(ting)value, thus avoided under the various situations to pump destruction caused leaks; Circuit was cut off when the control device of setting up made concentrated bucket reach setting water storage capacity, and water inlet control valve is cut off, thereby effectively reduced water saving, the sealing type pure water appliances of the chance of leaking.
Purpose of the present invention can reach by following measure:
The water saving of this water technology, sealing type pure water appliances, comprise: the placed in-line successively by the road water intaking valve in water source (often opening), several prefilters, reverse osmosis membrane filt, the pure water reverse checkvalve, pure water pressure switch and the pure water pressure switch branch pure water pressure water storage barrel that water intaking valve inserts of flowing through, through the pure water that post-filter connected water valve, its special character is: the condensed water outlet of reverse osmosis membrane filt inserts the condensed water pressure water storage barrel through several control units, the outlet of condensed water pressure water storage barrel is provided with and is communicated with the pipeline that condensed water is used valve or water supply line, at suction culvert, the condensed water outlet pipeline is provided with and is used for the control water inlet, water outlet and pure water moisture storage capacity, the control device of condensed water moisture storage capacity.
Purpose of the present invention can reach by following measure:
Control unit can be the condensed water reverse checkvalve.
Control unit can be the condensed water variable valve.
Control unit can be the condensed water flush valve.
The condensed water of being shunted through condensed water pressure water storage barrel water valve is divided into two the tunnel, the one tunnel by the road and inserts water supply line through reverse checkvalve, and another road is inserted condensed water and used valve.
The control device that is arranged on the pipeline can be an entering water electromagnetic valve.
The control device that is arranged on the pipeline can be a tetrahedral water circuit breaker.
The control device that is arranged on the pipeline can be a pressure switch.
Be provided with the limited pressure booster water pump between described prefilter and the reverse osmosis membrane filt;
The pressure limiting return line of limited pressure booster water pump inserts on the suction culvert.
This reality has the novel following advantage that has compared to existing technology:
1, condensed water can all be utilized.
2, reverse osmosis membrane is worked under pressure stable, and film is not easy to block, and the life-span of film obtains prolonging.
3, the application of the application of limited pressure booster water pump and condensed water pressure water storage barrel makes operating pressure stable, has reduced the chance of leaking.
Description of drawings
Fig. 1 is the structural representation of first embodiment of the invention.
Fig. 2 is the structural representation of second embodiment of the invention.
Fig. 3 is the schematic circuit of first and second enforcement of the present invention.
Fig. 4 is the structural representation of third embodiment of the invention.
Fig. 5 is the schematic circuit of third embodiment of the invention.
Fig. 6 is the structural representation of four embodiment of the invention.
Fig. 7 is the structural representation of fifth embodiment of the invention.
Fig. 8 is the schematic circuit of fifth embodiment of the invention.
Embodiment
The present invention is further detailed in conjunction with the accompanying drawings below:
Fig. 1, Fig. 3 show first embodiment of the present invention.
This water saving, the placed in-line successively by the road water intaking valve in the water source of sealing type pure water appliances (often opening) 1, prefilter 2, prefilter 4, prefilter 5, reverse osmosis membrane filt 7, pure water reverse checkvalve 9, pure water pressure switch 10 and the pure water pressure switch pure water pressure water storage barrel 15 that water intaking valve inserts of flowing through in 10 minutes, the pure water that is connected through post-filter 16 is with water valve 17, the condensed water variable valve 11 that the condensed water outlet of described reverse osmosis membrane filt 7 is shunted through condensed water reverse checkvalve 8, condensed water pressure switch 13 and the scouring electromagnetic valve of being shunted through condensed water reverse checkvalve 8 18, the pipeline that this scouring electromagnetic valve 18 inserts between condensed water variable valve 11 and the condensed water pressure switch 13, condensed water pressure switch 13 split into the condensed water pressure water storage barrel 14 that inserts through water intaking valve once more and directly use valve 12 to insert condensed water through condensed water and use point; Be provided with limited pressure booster water pump 6 between described prefilter 5 and the reverse osmosis membrane filt 7; Between prefilter 2 and prefilter 4, be provided with entering water electromagnetic valve 3.On the return line access entering water electromagnetic valve 3 and the pipeline between the prefilter 4 of limited pressure booster water pump 6.Circuit by through the normally closed contact of the normally closed contact of placed in-line condensed water pressure switch 13, pure water pressure switch 10 entering water electromagnetic valve 3, scouring electromagnetic valve 18 and limited pressure booster water pump 6 in parallel form.
Use: when condensed water pressure water storage barrel 14, when all not having water in the pure water pressure water storage barrel 15, condensed water pressure switch 13 and pure water pressure switch 10 all are in closure state, open water intaking valve (often opening) 1, power switch, water purification machine begins to make water, made pure water is stored in the pure water pressure water storage barrel 15, condensed water is stored in the condensed water pressure water storage barrel 14, when the moisture storage capacity in condensed water pressure water storage barrel 14 or the pure water pressure water storage barrel 15 reaches the moisture storage capacity of setting, its pressure has also just reached the set(ting)value of condensed water pressure switch 13 or pure water pressure switch 10, condensed water pressure switch 13 or pure water pressure switch 10 disconnect, and water purification machine stops to make water.When needing to use pure water or condensed water, open pure water and use valve 12 with water valve 17 or condensed water, pure water pressure water storage barrel 15 or condensed water pressure water storage barrel 14 just can discharge the water that stores wherein.And be used when a certain amount of when the water of condensed water pressure water storage barrel 14, pure water pressure water storage barrel 15, its pressure then drops to the force value that is lower than setting, and condensed water pressure switch 13 and pure water pressure switch 10 are closed again, and water purification machine is made water once more, so circulation.
Fig. 2, Fig. 3 illustrate second embodiment of the present invention.
This water saving, the placed in-line successively by the road water intaking valve in the water source of sealing type pure water appliances (often opening) 1, prefilter 2, prefilter 4, prefilter 5, reverse osmosis membrane filt 7, pure water reverse checkvalve 9, pure water pressure switch 10 and the pure water pressure switch pure water pressure water storage barrel 15 that water intaking valve inserts of flowing through in 10 minutes, the pure water that is connected through post-filter 16 is with water valve 17, the condensed water variable valve 11 that the condensed water outlet of described reverse osmosis membrane filt 7 is shunted through condensed water reverse checkvalve 8, condensed water pressure switch 13 and the scouring electromagnetic valve of being shunted through condensed water reverse checkvalve 8 18, the pipeline that this scouring electromagnetic valve 18 inserts between condensed water variable valve 11 and the condensed water pressure switch 13, condensed water pressure switch 13 splits into condensed water pressure water storage barrel 14 and another road inserted through water intaking valve once more and is divided into two the tunnel by the road again, one the tunnel through reverse checkvalve 19 access water supply lines, and condensed water water valve 12 is inserted on another road; Be provided with limited pressure booster water pump 6 between described prefilter 5 and the reverse osmosis membrane filt 7; Between prefilter 2 and prefilter 4, be provided with entering water electromagnetic valve 3; Circuit by through the normally closed contact of the normally closed contact of placed in-line condensed water pressure switch 13, pure water pressure switch 10 entering water electromagnetic valve 3, scouring electromagnetic valve 18 and limited pressure booster water pump 6 in parallel form.
Use: when condensed water pressure water storage barrel 14, when all not having water in the pure water pressure water storage barrel 15, condensed water pressure switch 13 and pure water pressure switch 10 all are in closure state, open water intaking valve (often opening) 1, power switch, water purification machine begins to make water, made pure water is stored in the pure water pressure water storage barrel 15, condensed water is stored in the condensed water pressure water storage barrel 14, when the moisture storage capacity in condensed water pressure water storage barrel 14 or the pure water pressure water storage barrel 15 reaches the moisture storage capacity of setting, its pressure has also just reached the set(ting)value of condensed water pressure switch 13 or pure water pressure switch 10, condensed water pressure switch 13 or pure water pressure switch 10 disconnect, and water purification machine stops to make water.When needing to use pure water or condensed water, open pure water and use valve 12 with water valve 17 or condensed water, pure water pressure water storage barrel 15 or condensed water pressure water storage barrel 14 just can discharge the water that stores wherein.And be used when a certain amount of when the water of condensed water pressure water storage barrel 14, pure water pressure water storage barrel 15, its pressure then drops to the force value that is lower than setting, and condensed water pressure switch 13 and pure water pressure switch 10 are closed again, and water purification machine is made water once more, so circulation.
Fig. 4, Fig. 5 show the 3rd embodiment of the present invention.
This water saving, the placed in-line successively by the road water intaking valve in the water source of sealing type pure water appliances (often opening) 1, prefilter 2, prefilter 4, prefilter 5, reverse osmosis membrane filt 7, pure water reverse checkvalve 9, pure water pressure switch 10 and the pure water pressure switch pure water pressure water storage barrel 15 that water intaking valve inserts of flowing through in 10 minutes, through the pure water water valve 17 that post-filter 16 is connected, the condensed water variable valve 11 that the condensed water outlet of described reverse osmosis membrane filt 7 is shunted through condensed water reverse checkvalve 8, the condensed water pressure water storage barrel 14 that condensed water pressure switch 13 is inserted and directly use valve 12 to insert condensed water and use points through condensed water; Establish booster water pump 6 between described prefilter 5 and the reverse osmosis membrane filt 7; Between booster water pump 6 and reverse osmosis membrane filt 7, be connected to the pure water tetrahedral water circuit breaker 20 of control water inlet, condensed water tetrahedral water circuit breaker 21; Circuit by through the normally closed contact of the normally closed contact of placed in-line condensed water pressure switch 13, pure water pressure switch 10 control circuit board in parallel, the booster water pump 6 that control circuit board connects form.
Use: when condensed water pressure water storage barrel 14, when all not having water in the pure water pressure water storage barrel 15, condensed water pressure switch 13 and pure water pressure switch 10 all are in closure state, open water intaking valve (often opening) 1, power switch, water purification machine begins to make water, made pure water is stored in the pure water pressure water storage barrel 15, condensed water is stored in the condensed water pressure water storage barrel 14, when the moisture storage capacity in condensed water pressure water storage barrel 14 or the pure water pressure water storage barrel 15 reaches the moisture storage capacity of setting, its pressure has also just reached the set(ting)value of condensed water pressure switch 13 or pure water pressure switch 10, condensed water pressure switch 13 or pure water pressure switch 10 disconnect, and water purification machine stops to make water.When needing to use pure water or condensed water, open pure water and use valve 12 with water valve 17 or condensed water, pure water pressure water storage barrel 15 or condensed water pressure water storage barrel 14 just can discharge the water that stores wherein.And be used when a certain amount of when the water of condensed water pressure water storage barrel 14, pure water pressure water storage barrel 15, its pressure then drops to the force value that is lower than setting, and condensed water pressure switch 13 and pure water pressure switch 10 are closed again, and water purification machine is made water once more, so circulation.
Fig. 6 shows the 4th embodiment of the present invention.
This water saving, the placed in-line successively by the road water intaking valve in the water source of sealing type pure water appliances (often opening) 1, prefilter 2, prefilter 4, reverse osmosis membrane filt 7, pure water reverse checkvalve 9, pure water tetrahedral water circuit breaker 20 and the pure water tetrahedral water circuit breaker pure water pressure water storage barrel 15 that water intaking valve inserts of flowing through in 20 minutes, the pure water that is connected through post-filter 16 is with water valve 17, the condensed water variable valve 11 that the condensed water outlet of described reverse osmosis membrane filt 7 is shunted through condensed water reverse checkvalve 8, condensed water tetrahedral water circuit breaker 21, condensed water tetrahedral water circuit breaker 21 split into the condensed water pressure water storage barrel 14 that inserts through water intaking valve once more and use valve 12 to insert condensed water through the condensed water that concentrates tetrahedral water circuit breaker 21 shuntings and use point; On the pipeline between prefilter 4 and the reverse osmosis membrane filt 7, be provided with pure water tetrahedral water circuit breaker 20, concentrate tetrahedral water circuit breaker 21.
Use: when all not having water in condensed water pressure water storage barrel 14 and the pure water pressure water storage barrel 15, pure water tetrahedral water circuit breaker 20 and condensed water tetrahedral water circuit breaker 21 all are in on-state, open water intaking valve (often opening) 1, power switch, water purification machine begins to make water, made pure water is stored in the pure water pressure water storage barrel 15, condensed water is stored in the condensed water pressure water storage barrel 15, when the moisture storage capacity in pure water pressure water storage barrel 15 or the condensed water pressure pot 14 reaches the moisture storage capacity of setting, its pressure has also just reached the set(ting)value of pure water tetrahedral water circuit breaker 20 or condensed water tetrahedral water circuit breaker 21, pure water tetrahedral water circuit breaker 20 or condensed water tetrahedral water circuit breaker 21 disconnect, and water purification machine stops to make water.When needing to use pure water or condensed water, open pure water and use valve 12 with water valve 17 or dense water, pure water pressure water storage barrel 15 or condensed water pressure water storage barrel 14 just can discharge the water that stores wherein.And be used when a certain amount of when the water in pure water pressure water storage barrel 15 and the condensed water pressure pot 14, the pressure of pure water pressure water storage barrel 15 and condensed water pressure pot 14 can drop to the force value that is lower than pure water tetrahedral water circuit breaker 20 and 21 settings of condensed water tetrahedral water circuit breaker, pure water tetrahedral water circuit breaker 20 and condensed water tetrahedral water circuit breaker 21 reclose, water purification machine is made water once more, so circulation.
Fig. 7, Fig. 8 show the 5th embodiment of the present invention.
This water saving, the placed in-line successively by the road water intaking valve in the water source of sealing type pure water appliances (often opening) 1, prefilter 2, prefilter 4, prefilter 5, reverse osmosis membrane filt 7, pure water reverse checkvalve 9, pure water pressure switch 10 and the pure water pressure switch pure water pressure water storage barrel 15 that water intaking valve inserts of flowing through in 10 minutes, the pure water that is connected through post-filter 16 is with water valve 17, the condensed water variable valve 11 that the condensed water outlet of described reverse osmosis membrane filt 7 is shunted through condensed water reverse checkvalve 8, condensed water pressure switch 13 and the scouring electromagnetic valve of being shunted through condensed water reverse checkvalve 8 18, the pipeline that this scouring electromagnetic valve 18 inserts between condensed water variable valve 11 and the condensed water pressure switch 13, condensed water pressure switch 13 splits into the condensed water pressure water storage barrel 14 that inserts through water intaking valve once more, and be divided into two the tunnel again through the pipeline of condensed water that condensed water pressure switch 13 is shunted through being provided with against current valve 23, one the tunnel through reverse checkvalve 19, go out on the pipeline between water solenoid valve 22 access water supply line prefilters 2 and the entering water electromagnetic valve 3, another road is inserted condensed water and is used valve 12; Be provided with limited pressure booster water pump 6 between described prefilter 5 and the reverse osmosis membrane filt 7, the pressure limiting return line of limited pressure booster water pump 6 inserts on entering water electromagnetic valve 3 and the pre-pipeline that flows between the device 4; Pipeline between prefilter 2 and the prefilter 4 is provided with entering water electromagnetic valve 3; Be in series with the normally closed contact of condensed water pressure switch 13 on the circuit, the normally closed contact of pure water pressure switch 10 and entering water electromagnetic valve 3, scouring electromagnetic valve 18, limited pressure booster water pump 6 in parallel, between the normally closed contact of the normally closed contact of condensed water pressure switch 13 and pure water pressure switch 10, the normally opened contact by pure water pressure switch 10 is connected to out water solenoid valve 22.
Use: when condensed water pressure water storage barrel 14, when all not having water in the pure water pressure water storage barrel 15, condensed water pressure switch 13 and pure water pressure switch 10 all are in closure state, open water intaking valve (often opening) 1, power switch, water purification machine begins to make water, made pure water is stored in the pure water pressure water storage barrel 15, condensed water is stored in the condensed water pressure water storage barrel 14, when the moisture storage capacity in condensed water pressure water storage barrel 14 or the pure water pressure water storage barrel 15 reaches the moisture storage capacity of setting, its pressure has also just reached the set(ting)value of condensed water pressure switch 13 or pure water pressure switch 10, condensed water pressure switch 13 or pure water pressure switch 10 disconnect, and water purification machine stops to make water.When needing to use pure water or condensed water, open pure water and use valve 12 with water valve 17 or condensed water, pure water pressure water storage barrel 15 or condensed water pressure water storage barrel 14 just can discharge the water that stores wherein.And be used when a certain amount of when the water of condensed water pressure water storage barrel 14, pure water pressure water storage barrel 15, its pressure can drop to the force value that is lower than setting, and condensed water pressure switch 13 and pure water pressure switch 10 are closed again, and water purification machine is made water once more, so circulation.
In the present embodiment, the use of condensed water can use valve 12 to use by opening condensed water, after condensed water is used, the pressure of condensed water pressure water storage barrel 14 drops to when being lower than the force value that condensed water pressure switch 13 sets, and the pressure of pure water pressure water storage barrel 15 goes out water solenoid valve 22 to open also on the force value that pure water pressure switch 10 is set the time, at this moment, open condensed water and use valve 12,, also do not influence user's water even do not have water in the condensed water pressure water storage barrel 14.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to the covering scope of claim of the present invention.
Claims (10)
1, a kind of water saving of water technology, sealing type pure water appliances, comprise: the placed in-line successively by the road water intaking valve in water source (often opening), several prefilters, reverse osmosis membrane filt, the pure water reverse checkvalve, pure water pressure switch and the pure water pressure switch branch pure water pressure water storage barrel that water intaking valve inserts of flowing through, through the pure water that post-filter connected water valve, it is characterized in that: the condensed water outlet of reverse osmosis membrane filt inserts the condensed water pressure water storage barrel through several control units, the outlet of condensed water pressure water storage barrel is provided with and is communicated with the pipeline that condensed water is used valve or water supply line, at suction culvert, the condensed water outlet pipeline is provided with and is used for the control water inlet, water outlet and pure water moisture storage capacity, the control device of condensed water moisture storage capacity.
2, water saving according to claim 1, sealing type pure water appliances is characterized in that: control unit is the condensed water reverse checkvalve.
3, water saving according to claim 1, sealing type pure water appliances is characterized in that: control unit is the condensed water variable valve.
4, water saving according to claim 1, sealing type pure water appliances is characterized in that: control unit is the condensed water flush valve.
5, water saving according to claim 1, sealing type pure water appliances is characterized in that: the condensed water of being shunted through condensed water pressure water storage barrel water valve is divided into two the tunnel, the one tunnel by the road and inserts water supply line through reverse checkvalve, and another road is inserted condensed water and used valve.
6, water saving according to claim 1, sealing type pure water appliances is characterized in that: the control device that is arranged on the pipeline is an entering water electromagnetic valve.
7, water saving according to claim 1, sealing type pure water appliances is characterized in that: the control device that is arranged on the pipeline is a tetrahedral water circuit breaker.
8, water saving according to claim 1, sealing type pure water appliances is characterized in that: the control device that is arranged on the pipeline is a pressure switch.
9, water saving according to claim 1, sealing type pure water appliances is characterized in that: be provided with the limited pressure booster water pump between described prefilter and the reverse osmosis membrane filt.
10, according to claim 1 or 9 described water savings, sealing type pure water appliances, it is characterized in that: the pressure limiting return line of limited pressure booster water pump inserts on the suction culvert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100336649A CN100340491C (en) | 2005-03-22 | 2005-03-22 | Water saving sealing type pure water appliances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100336649A CN100340491C (en) | 2005-03-22 | 2005-03-22 | Water saving sealing type pure water appliances |
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| Publication Number | Publication Date |
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| CN1686834A true CN1686834A (en) | 2005-10-26 |
| CN100340491C CN100340491C (en) | 2007-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100336649A Active CN100340491C (en) | 2005-03-22 | 2005-03-22 | Water saving sealing type pure water appliances |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105214500A (en) * | 2015-10-09 | 2016-01-06 | 珠海格力电器股份有限公司 | Water purifier, water purifier water clock protective device and control method |
| CN108506486A (en) * | 2017-02-27 | 2018-09-07 | 周孝银 | A kind of pressure pot in water cleaning systems |
| CN108956915A (en) * | 2018-05-14 | 2018-12-07 | 浙江沁园水处理科技有限公司 | A kind of full-automatic mark-on and water quality detecting device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2354937Y (en) * | 1998-09-21 | 1999-12-22 | 田钟奇 | Water saving reverse osmotic drinking water apparatus |
| CN2369997Y (en) * | 1999-04-15 | 2000-03-22 | 深圳新世纪饮水科技有限公司 | Reverse osmosis water purifier |
| CN2494822Y (en) * | 2001-07-31 | 2002-06-12 | 湖州四通环境科技有限公司 | Secondary reverse osmosis water purifier |
| US6607668B2 (en) * | 2001-08-17 | 2003-08-19 | Technology Ventures, Inc. | Water purifier |
| CN2846396Y (en) * | 2005-03-17 | 2006-12-13 | 深圳市英尼克电器有限公司 | Watersaving and leak-proof type pure water machine |
-
2005
- 2005-03-22 CN CNB2005100336649A patent/CN100340491C/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105214500A (en) * | 2015-10-09 | 2016-01-06 | 珠海格力电器股份有限公司 | Water purifier, water purifier water clock protective device and control method |
| CN108506486A (en) * | 2017-02-27 | 2018-09-07 | 周孝银 | A kind of pressure pot in water cleaning systems |
| CN108506486B (en) * | 2017-02-27 | 2019-12-10 | 周孝银 | Pressure barrel for water purification system |
| CN108956915A (en) * | 2018-05-14 | 2018-12-07 | 浙江沁园水处理科技有限公司 | A kind of full-automatic mark-on and water quality detecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100340491C (en) | 2007-10-03 |
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