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WO2016155077A1 - 净水机及净水机的控制方法 - Google Patents

净水机及净水机的控制方法 Download PDF

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Publication number
WO2016155077A1
WO2016155077A1 PCT/CN2015/078080 CN2015078080W WO2016155077A1 WO 2016155077 A1 WO2016155077 A1 WO 2016155077A1 CN 2015078080 W CN2015078080 W CN 2015078080W WO 2016155077 A1 WO2016155077 A1 WO 2016155077A1
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WO
WIPO (PCT)
Prior art keywords
water
switch
inlet
storage device
flushing
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Application number
PCT/CN2015/078080
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English (en)
French (fr)
Inventor
孔小斌
刘磊
张兴致
马龙
Original Assignee
佛山市顺德区美的饮水机制造有限公司
美的集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from CN201510154935.XA external-priority patent/CN104761072B/zh
Priority claimed from CN201520196597.1U external-priority patent/CN204529403U/zh
Application filed by 佛山市顺德区美的饮水机制造有限公司, 美的集团股份有限公司 filed Critical 佛山市顺德区美的饮水机制造有限公司
Publication of WO2016155077A1 publication Critical patent/WO2016155077A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis

Definitions

  • the invention relates to the field of household appliances, in particular to a water purifier and a control method of the water purifier.
  • the existing water purifier has the disadvantages.
  • the concentration of the membrane before and after the filter device will be neutralized, and finally reach equilibrium, so the first cup of the water purifier
  • TDS water dissolved solids content
  • the present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention needs to provide a water purifier.
  • the present invention also needs to provide a method of controlling a water purifier.
  • a water purifier includes a water inlet, a filtering device, a water storage device, a water outlet, a flushing circuit, and a control device.
  • the water inlet is used to access tap water.
  • the filtering device is connected to the water inlet channel for filtering the tap water into purified water.
  • the purified water storage device is coupled to the filtering device for storing the purified water.
  • the water outlet is connected to the purified water storage device for the user to access the purified water.
  • the flushing circuit and the water outlet are connected to the water inlet.
  • the control device is configured to control the purified water in the purified water storage device through the water outlet when the water storage device has water and when the water intake time interval of the user is set twice A flush circuit and the water inlet rinse the filter device.
  • the filtering device since the filtering device is flushed by using the purified water, the purified water has less impurities, and more soluble ions on the surface of the filtering device can be dissolved, and the effect of rinsing the filtering device is sterilized. More preferably, it is possible to extend the life of the filter device and to ensure that the filter device can function properly during use.
  • the filtration device is a reverse osmosis membrane filtration device or a nanofiltration cartridge filtration device.
  • the water purifier further includes a booster pump disposed on the water inlet and between the outlet of the flushing circuit and the filtering device.
  • the water purifier further includes a booster pump disposed on the water inlet path between an inlet of the water inlet and an outlet of the flushing circuit.
  • the water purifier further includes a water inlet switch disposed on the water inlet switch and a water level switch disposed on the water storage device, the water level a switch for detecting whether the purified water storage device is full of water, the control device is configured to open the water inlet switch to introduce the purified water when the purified water storage device is not full, and the control device further The water inlet switch is closed when the water storage device is full.
  • the water purifier further includes a pre-stage filtering device disposed on the water inlet path between the water inlet switch and the water inlet of the water inlet.
  • the water purifier further includes a drain path connected to the filtering device for draining wastewater generated when the filtering device is flushed.
  • the water purifier further includes a drain switch disposed on the drain.
  • the water purifier further includes a post-stage filtration device located between an inlet of the flushing circuit and an outlet of the water outlet.
  • the flushing circuit is provided with a flushing switch
  • the control device is configured to control the flushing switch to open to pass the purified water through the water outlet, the flushing circuit, and the water inlet flushing station.
  • the filtering device is further configured to close the flushing switch after the flushing is completed.
  • the water outlet between the purified water storage device and the inlet of the flushing circuit is provided with a water pump.
  • Step 1 The control device detects whether the water storage device is full, if the water is full, the process proceeds to step 2, and if the water is not full, the process proceeds to step 5;
  • Step 2 The control device determines whether the water intake time interval of the two adjacent times is greater than the set time, and if yes, proceeds to step 3, and if not, proceeds to step 2;
  • Step 3 The control device turns on the water pump, the flushing switch, the boosting pump and the drain switch to flush the filtering device with the purified water in the purified water storage device;
  • Step 4 After the flushing is completed, the control device first closes the drain switch, and after the filter device is filled with clean water, the water pump, the flush switch and the booster pump are turned off;
  • Step 5 The control device turns on the water inlet switch and the booster pump to start using the water purifier to start water production until the net After the water storage device is full and the purified water storage device is full, the control device turns off the water inlet switch and the booster pump to stop the water production.
  • FIG. 1 is a schematic view of a water passage of a water purifier according to a preferred embodiment of the present invention.
  • FIG. 2 is a schematic view of a water passage of a water purifier according to another preferred embodiment of the present invention.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • Connected, or integrally connected can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • the specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • a water purifier 10 includes a water inlet 12, a filtering device 14, and a purified water storage.
  • the water inlet 12 is for introducing tap water.
  • the filtering device 14 is connected to the water inlet 12 for filtering the tap water into purified water.
  • the purified water storage device 16 is connected to the filtering device 14 for storing clean water.
  • the water outlet 18 is connected to the purified water storage device 16 for the user to access the purified water.
  • the flushing circuit 20 and the water outlet 18 are connected to the water inlet 12 .
  • the control device is configured to control the purified water in the purified water storage device 16 to pass through the water outlet 18, the flushing circuit 20 and the water inlet when the water storage device 16 has water and the time interval between the two water intakes of the user is greater than the set time. 12 flushes the filter device 14.
  • the filtering device 14 is cleaned by using purified water, the amount of purified water is small, so that more soluble ions on the surface of the filtering device 14 can be dissolved, and the effect of rinsing the filtering device 14 is better, thereby prolonging The life of the filter device 14 and ensuring that the filter device 14 can function properly during use.
  • the filtration device 14 is a reverse osmosis membrane filtration device or a nanofiltration cartridge filtration device.
  • the water purifier 10 further includes a booster pump 24 disposed on the water inlet 12 and located between the outlet of the flushing circuit 20 and the filtering device 14.
  • the water inlet pipe 12 of the water purifier 10 is pressurized and pumped by the booster pump 24.
  • the booster pump 24 of the water purifier 10 is disposed on the water inlet 12 and between the inlet of the water inlet 12 and the outlet of the flushing circuit 20. In this manner, the water inlet pipe 12 of the water purifier 10 is pressurized and pumped by the booster pump 24.
  • the water purifier 10 further includes a water inlet switch 26 and a water level switch 28, and the water inlet switch 26 is disposed on the water inlet passage 12.
  • the water level switch 28 is disposed on the purified water storage device 16, and the water level switch 28 is used to detect whether the water storage device 16 is full.
  • the control device is used to open the water inlet switch 26 when the water storage device 16 is not full.
  • the water, control device is also used to close the water inlet switch 26 if the water storage device 16 is full.
  • control device controls the on/off of the water inlet pipe 12 through the water inlet switch 26, and the control device detects whether the water purification device 16 is full or not by the water level switch 28.
  • the water inlet switch 26 is a solenoid valve.
  • the water level switch 28 is a reed switch, a capacitive sensor, a micro switch or an infrared sensor.
  • the water inlet switch 26 using the solenoid valve is light in weight, low in price, fast in response, and high in safety.
  • the water purifier 10 further includes a pre-stage filtering device 30 disposed on the water inlet 12 and between the water inlet switch 26 and the water inlet 120 of the water inlet 12 .
  • the water purifier 10 has a better filtering effect.
  • the water purifier 10 further includes a drain passage 32 connected to the filter device 14, and the drain passage 32 serves to discharge waste water generated when the filter device 14 is flushed.
  • the water purifier 10 further includes a drain switch 34 disposed on the drain path 32.
  • control device controls the opening and closing of the drain passage 32 through the drain switch 34.
  • the water purifier 10 further includes a post-stage filtering device 36 located between the inlet of the flushing circuit 20 and the outlet of the water outlet 18.
  • the water purifier 10 has a better filtering effect.
  • the water purifier 10 further includes a high pressure switch 40 disposed between the downstream filtration device 38 and the outlet of the water outlet 18. In this manner, the control device detects whether the mechanical faucet is open by the high pressure switch 40.
  • the flushing circuit 20 is provided with a flushing switch 42 for controlling the flushing switch 42 to open to flush the purified water through the water outlet 18, the flushing circuit 20 and the water inlet 12, and the control device is also used for the control device. After the flushing is completed, the flush switch 42 is turned off.
  • control device controls the on and off of the flushing circuit 20 through the flush switch 42.
  • the flush switch 42 is a solenoid valve.
  • the flush switch 42 using the solenoid valve is light in weight, low in price, fast in response, and high in safety.
  • the water discharge path 18 between the purified water storage device 16 and the inlet of the flushing circuit 20 is provided with a water pump 44.
  • the water discharge path 18 of the water purifier 10 is pressurized by the water pump 44.
  • the user takes the clean water
  • the mechanical faucet is opened
  • the pressure of the water outlet 18 of the water purifier 10 is lowered
  • the high pressure switch 40 detects that the mechanical faucet is opened and sends a signal to the control device
  • the control device turns on the water pump 44 to start taking the clean water.
  • the mechanical faucet is closed, the pressure of the water outlet 18 of the water purifier 10 is raised, the high pressure switch 40 sends a signal to the control device, and the control device turns off the water pump 44 to stop the water intake.
  • the method for controlling the water purifier 10 according to the preferred embodiment of the present invention includes the following steps:
  • Step 1 The control device detects whether the water storage device 16 is full of water, if the water is full, the process proceeds to step 2, and if the water is not full, the process proceeds to step 5;
  • Step 2 The control device determines whether the water intake time interval of the two adjacent times is greater than the set time, and if yes, proceeds to step 3, and if not, proceeds to step 2;
  • Step 3 The control device turns on the water pump 44, the flush switch 42, the booster pump 24, and the drain switch 34 to flush the filter device 14 using the purified water in the purified water storage device 16;
  • Step 4 After the flushing is completed, the control device first closes the drain switch 34, and after the filter device is filled with clean water, the water pump 44, the flush switch 42 and the boost pump 24 are turned off;
  • Step 5 The control device activates the water inlet switch 26 and the booster pump 244 to cause the water purifier 10 to start water production until the water storage device 16 is full. After the water storage device 16 is full, the control device turns off the water inlet switch 26 and The booster pump 24 stops the water production.
  • the period from the start of rinsing of the filtration device 14 to the end of the rinsing is the rinsing time, and the calculation method of the rinsing time: (the volume of the purified water storage device 16 V1 - the membrane volume V2 of the filtration device 14) / the flow rate of the water pump 44 v.
  • the filtering device 14 is cleaned using the purified water, the amount of purified water is small, and more soluble ions on the surface of the filtering device 14 can be dissolved, and the effect of rinsing the filtering device 14 is better. Thereby, the life of the filter device 14 can be prolonged and the filter device 14 can be properly filtered during use.
  • the water pump 44, the flush switch 42 and the booster pump 24 are turned off, so that the filter device 14 can be immersed in the clean water, and the difference in the concentration of the filter device 14 before and after the film is small. Solve the problem of high solid content (TDS) dissolved in the first cup of water to ensure the purity of the user's drinking water.
  • TDS high solid content

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Sorption (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

一种净水机（10），包括进水路（12）、过滤装置（14）、净水储蓄装置（16）、出水路（18）、冲洗回路（20）及控制装置。进水路（12）用于通入自来水。过滤装置（14）与进水路（12）连接，用于过滤自来水为净水。净水储蓄装置（16）与过滤装置（14）连接，用于储蓄净水。出水路（18）与净水储蓄装置（16）连接，用于供用户取用净水。冲洗回路（20）与出水路（18）及进水路（12）连接。控制装置用于当净水储蓄装置（16）有水时及用户两次取水时间间隔大于设定时间时，控制净水储蓄装置（16）内的净水通过出水路（18）、冲洗回路（20）及进水路（12）和冲洗过滤装置（14）。同时还公开了一种净水机（10）的控制方法。由于使用净水冲洗、浸泡过滤装置，净水杂质少，可溶解更多过滤装置表面的可溶性离子。除此之外，可解决第一杯水溶解的固体含量(TDS)较高的问题。

Description

净水机及净水机的控制方法
优先权信息
本申请请求2015年4月02日向中国国家知识产权局提交的、专利申请号为201510154935.X和201520196597.1的专利申请的优先权和权益，并且通过参照将其全文并入此处。
技术领域
本发明涉及家用电器领域，尤其是涉及一种净水机及一种净水机的控制方法。
背景技术
现有的净水机存在弊端，一是用户长时间不使用净水机时，过滤装置表面残留的离子会形成结晶，时间久了会堵塞过滤装置。二是由于使用进水冲洗过滤装置，过滤装置的膜前后存在浓度差，净水机一段时间不使用时，过滤装置膜前后浓度会发生中和，最后达到平衡，故净水机的第一杯水溶解的固体含量(TDS)较高，不利于用户的健康。
发明内容
本发明旨在至少解决现有技术中存在的技术问题之一。为此，本发明需要提供一种净水机。
本发明还需要提供一种净水机的控制方法。
本发明较佳实施方式的净水机，包括进水路、过滤装置、净水储蓄装置、出水路、冲洗回路及控制装置。所述进水路用于通入自来水。所述过滤装置与所述进水路连接，用于过滤所述自来水为净水。所述净水储蓄装置与所述过滤装置连接，用于储蓄所述净水。所述出水路与所述净水储蓄装置连接，用于供用户取用所述净水。所述冲洗回路与所述出水路与所述进水路连接。所述控制装置用于当所述净水储蓄装置有水时及用户相邻两次的取水时间间隔设定时间时，控制所述净水储蓄装置内的净水通过所述出水路、所述冲洗回路及所述进水路冲洗所述过滤装置。
本发明较佳实施方式的净水机，由于使用所述净水冲洗所述过滤装置，所述净水杂质少，可溶解更多所述过滤装置表面的可溶性离子，冲洗所述过滤装置的效果更好，从而能延长所述过滤装置的寿命以及保证所述过滤装置在使用过程中能正常发挥过滤作用。
在一些实施方式中，所述过滤装置为反渗透膜过滤装置或纳滤芯过滤装置。
在一些实施方式中，所述净水机还包括增压泵，所述增压泵设置于所述进水路上且位于所述冲洗回路的出口与所述过滤装置之间。
在一些实施方式中，所述净水机还包括增压泵，所述增压泵设置于所述进水路上且位于所述进水路的入口与所述冲洗回路的出口之间。
在一些实施方式中，所述净水机还包括进水开关及水位开关，所述进水开关设置在所述进水路上，所述水位开关设置在所述净水储蓄装置上，所述水位开关用于检测所述净水储蓄装置是否水满，所述控制装置用于所述净水储蓄装置未水满的情况下打开所述进水开关以引入所述净水，所述控制装置还用于所述净水储蓄装置水满的情况下关闭所述进水开关。
在一些实施方式中，所述净水机还包括前级过滤装置，所述前级过滤装置设置于所述进水路上且位于所述进水开关与所述进水路的进水口之间。
在一些实施方式中，所述净水机还包括与所述过滤装置连接的排水路，所述排水路用于排出冲洗所述过滤装置时产生的废水。
在一些实施方式中，所述净水机还包括有设置在所述排水路上的排水开关。
在一些实施方式中，所述净水机还包括后级过滤装置，所述后级过滤装置位于所述冲洗回路的入口与所述出水路的出口之间。
在一些实施方式中，所述冲洗回路设有冲洗开关，所述控制装置用于控制所述冲洗开关打开以使所述净水通过所述出水路、所述冲洗回路及所述进水路冲洗所述过滤装置，所述控制装置还用于在冲洗完成后，关闭所述冲洗开关。
在一些实施方式中，所述净水储蓄装置与所述冲洗回路的入口之间的所述出水路设有水泵。
本发明较佳实施方式的净水机的控制方法，包括如下步骤：
步骤一：控制装置检测净水储蓄装置是否水满，若水满转至步骤二，若水未满则转至步骤五；
步骤二：所述控制装置判断相邻两次的取水时间间隔是否大于设定时间，若是，则转入步骤三，若否，则继续执行步骤二；
步骤三：所述控制装置开启水泵、冲洗开关、增压泵及排水开关以使用所述净水储蓄装置内的净水冲洗过滤装置；
步骤四：冲洗完成后，所述控制装置先关闭所述排水开关，待所述过滤装置中充满净水后，再关闭所述水泵、所述冲洗开关及所述增压泵；
步骤五：控制装置开启进水开关及所述增压泵以使用所述净水机开始制水直至所述净 水储蓄装置水满，所净水储蓄装置水满后，所述控制装置关闭所述进水开关及所述增压泵以停止制水。
本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域的普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他附图。
图1是根据本发明较佳实施方式的净水机的水路示意图。
图2是根据本发明另一较佳实施方式的净水机的水路示意图。
具体实施方式
下面结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明的保护范围。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或数量或位置。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
下面将结合附图对本发明实施例作进一步地详细描述。
请参阅图1，本发明较佳实施方式的净水机10包括进水路12、过滤装置14、净水储 蓄装置16、出水路18、冲洗回路20及控制装置。进水路12用于通入自来水。过滤装置14与进水路12连接，用于过滤自来水为净水。净水储蓄装置16与过滤装置14连接，用于储蓄净水。出水路18与净水储蓄装置16连接，用于供用户取用净水。冲洗回路20与出水路18与进水路12连接。控制装置用于当净水储蓄装置16有水时及用户相邻两次的取水时间间隔大于设定时间时，控制净水储蓄装置16内的净水通过出水路18、冲洗回路20及进水路12冲洗过滤装置14。
本发明较佳实施方式的净水机10，由于使用净水冲洗过滤装置14，净水杂质少，可溶解更多过滤装置14表面的可溶性离子，冲洗过滤装置14的效果更好，从而能延长过滤装置14的寿命以及保证过滤装置14在使用过程中能正常发挥过滤作用。
在本实施方式中，过滤装置14为反渗透膜过滤装置或纳滤芯过滤装置。
如此，能有效地去除进水中的钙、镁、细菌、有机物、无机物、金属离子和放射性物质等。
在本实施方式中，净水机10还包括增压泵24，增压泵24设置于进水路12上且位于冲洗回路20的出口与过滤装置14之间。
如此，通过增压泵24对净水机10的进水路12进行增压抽水。
请参阅图2，在另一个实施方式中，净水机10的增压泵24设置于进水路12上且位于进水路12的入口与冲洗回路20的出口之间。如此，通过增压泵24对净水机10的进水路12进行增压抽水。
在本实施方式中，净水机10还包括进水开关26及水位开关28，进水开关26设置在进水路12上。水位开关28设置在净水储蓄装置16上，水位开关28用于检测净水储蓄装置16是否水满，控制装置用于净水储蓄装置16未水满的情况下打开进水开关26以引入净水，控制装置还用于净水储蓄装置16水满的情况下关闭进水开关26。
如此，控制装置通过进水开关26控制进水路12的通断，控制装置通过水位开关28检测净水储蓄装置16是否水满。
具体地，进水开关26为电磁阀。水位开关28为干簧管、电容传感器、微动开关或红外传感器。如此，采用电磁阀的进水开关26外形轻巧、价格低廉、响应快且安全性高。
在本实施方式中，净水机10还包括前级过滤装置30，前级过滤装置30设置于进水路12上且位于进水开关26与进水路12的进水口120之间。如此，净水机10的过滤效果更好。
在本实施方式中，净水机10还包括与过滤装置14连接的排水路32，排水路32用于排出冲洗过滤装置14时产生的废水。
在本实施方式中，净水机10还包括有设置在排水路32上的排水开关34。
如此，控制装置通过排水开关34控制排水路32的通断。
在本实施方式中，净水机10还包括后级过滤装置36，后级过滤装置36位于冲洗回路20的入口与出水路18的出口之间。如此，净水机10的过滤效果更好。
具体地，净水机10还包括设置于后级过滤装置38与出水路18的出口之间的高压开关40。如此，控制装置通过高压开关40检测机械龙头是否打开。
在本实施方式中，冲洗回路20设有冲洗开关42，控制装置用于控制冲洗开关42打开以使净水通过出水路18、冲洗回路20及进水路12冲洗过滤装置14，控制装置还用于在冲洗完成后，关闭冲洗开关42。
如此，控制装置通过冲洗开关42控制冲洗回路20的通断。
具体地，冲洗开关42为电磁阀。如此，采用电磁阀的冲洗开关42外形轻巧、价格低廉、响应快且安全性高。
在本实施方式中，净水储蓄装置16与冲洗回路20的入口之间的出水路18设有水泵44。
如此，通过水泵44对净水机10的出水路18进行增压抽水。
具体地，用户取净水，机械龙头打开，净水机10的出水路18的压力降低，高压开关40检测到机械龙头打开并发送信号给控制装置，控制装置开启水泵44，开始取净水，取水结束后，机械龙头关闭，净水机10的出水路18的压力升高，高压开关40发送信号给控制装置，控制装置关闭水泵44，停止取水。
本发明较佳实施方式的净水机10的控制方法，包括如下步骤：
步骤一：控制装置检测净水储蓄装置16是否水满，若水满转至步骤二，若水未满则转至步骤五；
步骤二：控制装置判断相邻两次的取水时间间隔是否大于设定时间，若是，则转入步骤三，若否，则继续执行步骤二；
步骤三：控制装置开启水泵44、冲洗开关42、增压泵24及排水开关34以使用净水储蓄装置16内的净水冲洗过滤装置14；
步骤四：冲洗完成后，控制装置先关闭排水开关34，待过滤装置中充满净水后，再关闭水泵44、冲洗开关42及增压泵24；
步骤五：控制装置开启进水开关26及增压泵244以使净水机10开始制水直至净水储蓄装置16水满，净水储蓄装置16水满后，控制装置关闭进水开关26及增压泵24以停止制水。
具体地，从开始冲洗过滤装置14到结束冲洗经过的时间段为冲洗时间，冲洗时间的计算方法：(净水储蓄装置16的容积V1-过滤装置14的膜壳容积V2)/水泵44的流速v。
本发明较佳实施方式的净水机10的控制方法，由于使用净水冲洗过滤装置14，净水杂质少，可溶解更多过滤装置14表面的可溶性离子，冲洗过滤装置14的效果更好，从而能延长过滤装置14的寿命以及保证过滤装置14在使用过程中能正常发挥过滤作用。除此之外，待过滤装置14中充满净水后再关闭水泵44、冲洗开关42及增压泵24，使得可以利用净水浸泡过滤装置14，过滤装置14的膜前后浓度差较小，可解决第一杯水溶解的固体含量(TDS)较高的问题，保证用户饮水的纯净度。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在不脱离本发明的原理和宗旨的情况下在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。本发明的范围由所附权利要求及其等同限定。

Claims (12)

  1. 一种净水机，其特征在于，包括：
    进水路，用于通入自来水；
    与所述进水路连接的过滤装置，用于过滤所述自来水为净水；
    与所述过滤装置连接的净水储蓄装置，用于储蓄所述净水；
    与所述净水储蓄装置连接的出水路，用于供用户取用所述净水；
    连接所述出水路与所述进水路的冲洗回路；及
    控制装置，用于当所述净水储蓄装置有水时及用户相邻两次的取水时间间隔大于设定时间时，控制所述净水储蓄装置内的净水通过所述出水路、所述冲洗回路及所述进水路冲洗所述过滤装置。
  2. 根据权利要求1所述的净水机，其特征在于，所述过滤装置为反渗透膜过滤装置或纳滤芯过滤装置。
  3. 根据权利要求1所述的净水机，其特征在于，所述净水机还包括增压泵，所述增压泵设置于所述进水路上且位于所述冲洗回路的出口与所述过滤装置之间。
  4. 根据权利要求1所述的净水机，其特征在于，所述净水机还包括增压泵，所述增压泵设置于所述进水路上且位于所述进水路的入口与所述冲洗回路的出口之间。
  5. 根据权利要求1所述的净水机，其特征在于，所述净水机还包括进水开关及水位开关，所述进水开关设置在所述进水路上，所述水位开关设置在所述净水储蓄装置上，所述水位开关用于检测所述净水储蓄装置是否水满，所述控制装置用于所述净水储蓄装置未水满的情况下打开所述进水开关以引入所述净水，所述控制装置还用于所述净水储蓄装置水满的情况下关闭所述进水开关。
  6. 根据权利要求5所述的净水机，其特征在于，所述净水机还包括前级过滤装置，所述前级过滤装置设置于所述进水路上且位于所述进水开关与所述进水路的进水口之间。
  7. 根据权利要求5所述的净水机，其特征在于，所述净水机还包括与所述过滤装置连接的排水路，所述排水路用于排出冲洗所述过滤装置时产生的废水。
  8. 根据权利要求7所述的净水机，其特征在于，所述净水机还包括有设置在所述排水路上的排水开关。
  9. 根据权利要求1所述的净水机，其特征在于，所述净水机还包括后级过滤装置，所述后级过滤装置位于所述冲洗回路的入口与所述出水路的出口之间。
  10. 根据权利要求1所述的净水机，其特征在于，所述冲洗回路设有冲洗开关，所述控制装置用于控制所述冲洗开关打开以使所述净水通过所述出水路、所述冲洗回路及所述进水路冲洗所述过滤装置，所述控制装置还用于在冲洗完成后，关闭所述冲洗开关。
  11. 根据权利要求1所述的净水机，其特征在于，所述净水储蓄装置与所述冲洗回路的入口之间的所述出水路设有水泵。
  12. 一种净水机的控制方法，其特征在于，包括如下步骤：
    步骤一：控制装置检测净水储蓄装置是否水满，若水满转至步骤二，若水未满则转至步骤五；
    步骤二：所述控制装置判断相邻两次的取水时间间隔是否大于设定时间，若是，则转入步骤三，若否，则继续执行步骤二；
    步骤三：所述控制装置开启水泵、冲洗开关、增压泵及排水开关以使用所述净水储蓄装置内的净水冲洗过滤装置；
    步骤四：冲洗完成后，所述控制装置先关闭所述排水开关，待所述过滤装置中充满净水后，再关闭所述水泵、所述冲洗开关及所述增压泵；
    步骤五：控制装置开启进水开关及所述增压泵以使所述净水机开始制水直至所述净水储蓄装置水满，所述净水储蓄装置水满后，所述控制装置关闭所述进水开关及所述增压泵以停止制水。
PCT/CN2015/078080 2015-04-02 2015-04-30 净水机及净水机的控制方法 WO2016155077A1 (zh)

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JP2007181822A (ja) * 2006-12-19 2007-07-19 Kobelco Eco-Solutions Co Ltd 飲料水製造用水処理システム及びその運転方法
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