CN105036391A - Water purification equipment - Google Patents
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- CN105036391A CN105036391A CN201510369645.7A CN201510369645A CN105036391A CN 105036391 A CN105036391 A CN 105036391A CN 201510369645 A CN201510369645 A CN 201510369645A CN 105036391 A CN105036391 A CN 105036391A
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Abstract
本发明公开了一种净水设备，包括进水管、前置复合滤芯、第一膜滤芯、储水袋、给水泵、后置复合滤芯、净水出水管以及浓缩废水排水管，第一膜滤芯具有第一入水口、第一净水出口和第一浓水出口，进水管经前置复合滤芯与第一入水口连接，第一净水出口依次经给水泵和后置复合滤芯与净水出水管连接，第一浓水出口与浓缩废水排水管连接；储水袋具有进出水口，进出水口连接于第一净水出口与给水泵之间的管路。本发明所提供的净水设备在其水路系统中设有用以存储经高精度过滤的水的储水袋，取水时给水泵能直接抽取储水袋中的储水，以使得该净水设备能通过净水出水管即时为用户提供大流量的高水质净水。
The invention discloses a water purification device, which comprises a water inlet pipe, a pre-composite filter element, a first membrane filter element, a water storage bag, a water supply pump, a post-installed composite filter element, a water purification outlet pipe and a concentrated waste water drainage pipe, and the first membrane filter element It has the first water inlet, the first purified water outlet and the first concentrated water outlet. The water inlet pipe is connected to the first water inlet through the pre-composite filter element, and the first purified water outlet is connected to the purified water outlet through the feed water pump and the rear composite filter element in turn. The water pipe is connected, and the first concentrated water outlet is connected to the concentrated waste water drainage pipe; the water storage bag has a water inlet and outlet, and the water inlet and outlet are connected to the pipeline between the first purified water outlet and the water supply pump. The water purification equipment provided by the present invention is provided with a water storage bag for storing high-precision filtered water in its waterway system. When taking water, the water supply pump can directly extract the water stored in the water storage bag, so that the water purification equipment can Provide users with high-quality clean water with a large flow rate immediately through the clean water outlet pipe.
Description
技术领域technical field
本发明涉及一种净水设备。The invention relates to a water purifying device.
背景技术Background technique
目前，为了保证净水设备出水的高水质，常见的净水设备通常采用普通膜滤芯(如反渗透膜滤芯、纳滤膜滤芯等)对水进行高精度过滤。然而，普通膜滤芯的出水流量较小，导致使用普通膜滤芯的净水设备的整机出水流量较小，如此，难以满足用户即滤即用的需要，不便于用户使用。At present, in order to ensure the high water quality of the effluent from the water purification equipment, common water purification equipment usually uses ordinary membrane filter elements (such as reverse osmosis membrane filter elements, nanofiltration membrane filter elements, etc.) to filter water with high precision. However, the water flow rate of the ordinary membrane filter element is small, resulting in a small water flow rate of the water purification equipment using the ordinary membrane filter element, so that it is difficult to meet the user's need for instant filtration and use, and it is not convenient for the user to use.
发明内容Contents of the invention
本发明的主要目的在于提供一种净水设备，旨在解决现有技术中净水设备在使用普通膜滤芯对水进行高精度过滤时，出水流量较小的技术问题。The main purpose of the present invention is to provide a water purification device, aiming at solving the technical problem in the prior art that when the water purification device uses a common membrane filter element to filter water with high precision, the water output flow rate is small.
为实现上述目的，本发明提供一种净水设备，包括进水管、前置复合滤芯、第一膜滤芯、储水袋、给水泵、后置复合滤芯、净水出水管以及浓缩废水排水管，所述第一膜滤芯具有第一入水口、第一净水出口和第一浓水出口，所述进水管经所述前置复合滤芯与所述第一入水口连接，所述第一净水出口依次经所述给水泵和所述后置复合滤芯与所述净水出水管连接，所述第一浓水出口与所述浓缩废水排水管连接；所述储水袋具有进出水口，所述进出水口连接于所述第一净水出口与所述给水泵之间的管路。In order to achieve the above object, the present invention provides a water purification device, comprising a water inlet pipe, a pre-composite filter element, a first membrane filter element, a water storage bag, a water supply pump, a rear composite filter element, a water purification outlet pipe and a concentrated waste water drain pipe, The first membrane filter element has a first water inlet, a first purified water outlet and a first concentrated water outlet, the water inlet pipe is connected to the first water inlet through the pre-compound filter element, and the first purified water The outlet is sequentially connected to the clean water outlet pipe through the feed water pump and the post-installed composite filter element, and the first concentrated water outlet is connected to the concentrated waste water drainage pipe; the water storage bag has a water inlet and outlet, and the The water inlet and outlet are connected to the pipeline between the first clean water outlet and the feed water pump.
优选地，所述储水袋在所述进出水口设有水位检测件，该水位检测件用以检测所述储水袋中水的水位。Preferably, the water storage bag is provided with a water level detection element at the water inlet and outlet, and the water level detection element is used to detect the water level in the water storage bag.
优选地，所述净水设备还包括第二膜滤芯，该第二膜滤芯具有第二入水口、第二净水出口和第二浓水出口，所述第一浓水出口与所述第二入水口连接，所述第二净水出口连接于所述第一净水出口与所述进出水口之间的管路，所述第二浓水出口与所述浓缩废水排水管连接。Preferably, the water purification equipment further includes a second membrane filter element, the second membrane filter element has a second water inlet, a second purified water outlet and a second concentrated water outlet, the first concentrated water outlet is connected to the second The water inlet is connected, the second purified water outlet is connected to the pipeline between the first purified water outlet and the water inlet and outlet, and the second concentrated water outlet is connected to the concentrated waste water drain pipe.
优选地，所述净水设备还包括第二膜滤芯，该第二膜滤芯具有第二入水口、第二净水出口和第二浓水出口，所述第二入水口连接于所述前置复合滤芯与所述第一入水口之间的管路，所述第二净水出口连接于所述第一净水出口与所述进出水口之间的管路，所述第二浓水出口与所述浓缩废水排水管连接。Preferably, the water purification equipment also includes a second membrane filter element, the second membrane filter element has a second water inlet, a second purified water outlet and a second concentrated water outlet, the second water inlet is connected to the pre- The pipeline between the composite filter element and the first water inlet, the second purified water outlet is connected to the pipeline between the first purified water outlet and the water inlet and outlet, and the second concentrated water outlet and The concentrated waste water is connected to the drain pipe.
优选地，所述第一膜滤芯为纳滤膜滤芯或反渗透膜滤芯，所述第二膜滤芯为纳滤膜滤芯或反渗透膜滤芯。Preferably, the first membrane filter element is a nanofiltration membrane filter element or a reverse osmosis membrane filter element, and the second membrane filter element is a nanofiltration membrane filter element or a reverse osmosis membrane filter element.
优选地，所述净水设备还包括废水控制阀，所述废水控制阀设在所述浓缩废水排水管上。Preferably, the water purification equipment further includes a waste water control valve, and the waste water control valve is arranged on the concentrated waste water drain pipe.
优选地，所述净水设备还包括控制器、以及设在所述净水出水管上高压开关，所述控制器与所述高压开关和所述给水泵均电连接；所述高压开关用以检测所述净水出水管中水的水压，并将所述水压以电信号的形式发送至所述控制器，所述控制器用以根据所述水压的大小控制所述给水泵的工作状态。Preferably, the water purification equipment further includes a controller, and a high-voltage switch provided on the water purification outlet pipe, the controller is electrically connected to the high-pressure switch and the feed water pump; the high-pressure switch is used to Detect the water pressure of the water in the clean water outlet pipe, and send the water pressure to the controller in the form of an electrical signal, and the controller is used to control the operation of the water supply pump according to the water pressure state.
优选地，所述净水设备还包括增压水泵，所述增压水泵设于所述前置复合滤芯与所述第一入水口之间。Preferably, the water purification equipment further includes a water booster pump, and the water booster pump is arranged between the pre-compound filter element and the first water inlet.
优选地，所述净水设备还包括净水控制阀，所述净水控制阀设于所述前置复合滤芯与所述增压水泵之间。Preferably, the water purification equipment further includes a water purification control valve, and the water purification control valve is arranged between the pre-compound filter element and the booster water pump.
优选地，所述前置复合滤芯包括丙纶膜和碳纤维，及/或，所述后置复合滤芯包括超滤膜和碳棒。Preferably, the pre-composite filter element includes polypropylene membrane and carbon fiber, and/or, the post-composite filter element includes ultrafiltration membrane and carbon rod.
本发明所提供的净水设备在其水路系统中设有用以存储第一膜滤芯高精度过滤后的水的储水袋，一旦用户打开该净水设备的出水龙头进行取水时，给水泵除了能抽取第一膜滤芯所即滤的水，还能直接抽取储水袋中的储水，以输送至后置复合滤芯，从而使得该净水设备能通过净水出水管即时为用户提供大流量的高水质净水，能避免出现仅通过第一膜滤芯即滤所造成的出水流量小的现象，提高该净水设备的用户体验。The water purification equipment provided by the present invention is provided with a water storage bag in its waterway system to store the water filtered by the first membrane filter element with high precision. The water that is filtered by the first membrane filter element can be extracted directly, and the water stored in the water storage bag can also be directly extracted to be transported to the rear composite filter element, so that the water purification equipment can provide users with a large flow rate immediately through the water purification outlet pipe. High-quality water purification can avoid the phenomenon of small water flow caused by only passing through the first membrane filter element, that is, filtering, and improve the user experience of the water purification equipment.
附图说明Description of drawings
图1为本发明净水设备一实施例的结构示意图；Fig. 1 is the structural representation of an embodiment of water purifying equipment of the present invention;
图2为本发明净水设备另一实施例的结构示意图。Fig. 2 is a structural schematic diagram of another embodiment of the water purification equipment of the present invention.
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。The realization of the purpose of the present invention, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.
具体实施方式Detailed ways
应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
本发明提供一种净水设备。The invention provides a water purification device.
参照图1，在一实施例中，该净水设备包括进水管11、前置复合滤芯10、第一膜滤芯20、储水袋40、给水泵51、后置复合滤芯60、净水出水管12以及浓缩废水排水管13，其中，第一膜滤芯20具有第一入水口21、第一净水出口22和第一浓水出口23，进水管11经前置复合滤芯10与第一膜滤芯20的第一入水口21连接，第一膜滤芯20的第一净水出口22依次经给水泵51和后置复合滤芯60与净水出水管12连接，第一膜滤芯20的第一浓水出口23与浓缩废水排水管13连接；储水袋40具有进出水口41，该进出水口41连接于第一净水出口22与给水泵51之间的管路。本实施例中，该净水设备的机壳内设有水袋腔室(图未示)，储水袋40收容于该水袋腔室中，相较于常见净水器的压力储水罐，内置的储水袋40能使该净水设备具有较小的体积，从而使得本发明净水设备所需的安放空间较小。本实施例中，第一膜滤芯20为纳滤膜滤芯或反渗透膜滤芯。前置复合滤芯10包括丙纶膜和碳纤维，故该前置复合滤芯10同时具有丙纶棉滤芯和活性炭滤芯的作用，而该前置复合滤芯10只需要一个滤芯的安装空间，能节省该净水设备的滤芯安装空间。后置复合滤芯60包括超滤膜和碳棒，故该后置复合滤芯60同时具超滤膜滤芯和活性炭滤芯的作用，能进一步节省该净水设备的滤芯安装空间。该净水设备还包括废水控制阀73，该废水控制阀73设于浓缩废水排水管13上，本实施例中，该废水控制阀73为废水比电磁阀，通过调节该废水比电磁阀能够调节膜滤芯的浓缩废水量和调节膜滤芯的工作压力；当然，在本发明的其他实施例中，该废水控制阀73还可以为普通的电磁阀或者电动阀，以方便控制膜滤芯20的浓缩废水的流出。Referring to Fig. 1, in one embodiment, the water purification equipment includes a water inlet pipe 11, a pre-composite filter element 10, a first membrane filter element 20, a water storage bag 40, a water supply pump 51, a rear composite filter element 60, and a water purification outlet pipe 12 and a concentrated waste water drain pipe 13, wherein the first membrane filter element 20 has a first water inlet 21, a first clean water outlet 22 and a first concentrated water outlet 23, and the water inlet pipe 11 passes through the pre-composite filter element 10 and the first membrane filter element The first water inlet 21 of the first membrane filter element 20 is connected, the first water purification outlet 22 of the first membrane filter element 20 is connected with the water purification outlet pipe 12 through the feed water pump 51 and the rear composite filter element 60 in turn, the first concentrated water of the first membrane filter element 20 The outlet 23 is connected to the concentrated waste water drain pipe 13 ; the water storage bag 40 has a water inlet and outlet 41 , and the water inlet and outlet 41 are connected to the pipeline between the first clean water outlet 22 and the feed water pump 51 . In this embodiment, a water bag chamber (not shown) is provided in the casing of the water purification device, and the water storage bag 40 is housed in the water bag chamber. The built-in water storage bag 40 can make the water purification device have a smaller volume, so that the installation space required by the water purification device of the present invention is smaller. In this embodiment, the first membrane filter element 20 is a nanofiltration membrane filter element or a reverse osmosis membrane filter element. The pre-composite filter element 10 includes polypropylene film and carbon fiber, so the pre-composite filter element 10 has the functions of polypropylene cotton filter element and activated carbon filter element at the same time, and the pre-composite filter element 10 only needs the installation space of one filter element, which can save the water purification equipment. filter installation space. The rear composite filter element 60 includes an ultrafiltration membrane and a carbon rod, so the rear composite filter element 60 has the functions of an ultrafiltration membrane filter element and an activated carbon filter element at the same time, which can further save the installation space of the filter element of the water purification equipment. This water purifying equipment also comprises waste water control valve 73, and this waste water control valve 73 is located on the concentrated waste water discharge pipe 13, and in the present embodiment, this waste water control valve 73 is waste water ratio solenoid valve, can adjust by adjusting this waste water ratio solenoid valve The concentrated waste water volume of membrane filter element and the working pressure of regulation membrane filter element; Of course, in other embodiments of the present invention, this waste water control valve 73 can also be common electromagnetic valve or electric valve, to facilitate the concentrated waste water of control membrane filter element 20 outflow.
在本实施例中，该净水设备的制水过程为：高压原水从净水管11进入前置复合滤芯10中，经前置复合滤芯10进行初级过滤后，从第一入水口21进入第一膜滤芯20；再经第一膜滤芯20进行高精度过滤后，净水依次经第一净水出口22和进出水口41进入储水袋40中进行存储，而浓缩废水经第一浓水出口23从浓缩废水排水管13排掉。用户使用该净水设备进行取水时，一方面给水泵51从进出水口41抽取储水袋40中的储水，并送入后置复合滤芯60中；另一方面第一膜滤芯20即滤所得的水也可经给水泵51进入后置复合滤芯60中；进入后置复合滤芯60中的水通过碳棒去除异味和超滤膜去除残留微生物后，从净水出水管12流出，以供用户取用。本实施例所提供的净水设备在其水路系统中设有用以存储第一膜滤芯20高精度过滤后的水的储水袋40，一旦用户打开该净水设备的出水龙头进行取水时，给水泵51除了能抽取第一膜滤芯20所即滤的水，还能直接抽取储水袋40中的储水，以输送至后置复合滤芯60，从而使得该净水设备能通过净水出水管12即时为用户提供大流量的高水质净水，能避免出现仅通过第一膜滤芯20即滤所造成的出水流量小的现象，提高该净水设备的用户体验。In this embodiment, the water production process of the water purification equipment is as follows: high-pressure raw water enters the pre-compound filter element 10 from the water purification pipe 11, and after primary filtration by the pre-compound filter element 10, it enters the first water inlet 21 into the second A membrane filter element 20; after high-precision filtration by the first membrane filter element 20, the purified water enters the water storage bag 40 through the first purified water outlet 22 and the water inlet and outlet 41 for storage, while the concentrated waste water passes through the first concentrated water outlet 23 is drained from concentrated waste water drainpipe 13. When the user uses the water purification equipment to take water, on the one hand, the water supply pump 51 extracts the water stored in the water storage bag 40 from the water inlet and outlet 41, and sends it to the rear composite filter element 60; on the other hand, the first membrane filter element 20 is filtered. The water can also enter the rear composite filter element 60 through the feed water pump 51; after the water entering the rear composite filter element 60 passes through carbon rods to remove peculiar smell and ultrafiltration membrane to remove residual microorganisms, it flows out from the water purification outlet pipe 12 for the user access. The water purification equipment provided by this embodiment is provided with a water storage bag 40 in its waterway system to store the water filtered by the first membrane filter element 20 with high precision. Once the user opens the water outlet tap of the water purification equipment to take water, the The water pump 51 can not only extract the water filtered by the first membrane filter element 20, but also directly extract the water stored in the water storage bag 40 to transport it to the rear composite filter element 60, so that the water purification equipment can pass through the water purification outlet pipe 12 Provide users with high-quality clean water with a large flow rate immediately, which can avoid the phenomenon of small water flow caused by filtering only through the first membrane filter element 20, and improve the user experience of the water purification equipment.
在本实施例中，进一步地，储水袋40在进出水口41设有水位检测件42，该水位检测件42用以检测储水袋40中水的水位。本实施例中，该水位检测件42可以为但不限于设在储水袋40的进出水口41处的高位干簧管或者微动开关。用户使用该净水设备进行取水时，一旦水位检测件42检测到储水袋40中储水的水位下降，该净水设备的控制系统将启动上述制水过程，以使得储水袋40中的储水能及时得到补充，从而保证该净水设备能即时为用户提供大流量的高水质净水。In this embodiment, further, the water storage bag 40 is provided with a water level detection member 42 at the water inlet and outlet 41 , and the water level detection member 42 is used to detect the water level in the water storage bag 40 . In this embodiment, the water level detection member 42 may be, but not limited to, a high-position reed switch or a micro switch provided at the water inlet and outlet 41 of the water storage bag 40 . When the user uses the water purification equipment to fetch water, once the water level detection part 42 detects that the water level of the water stored in the water storage bag 40 drops, the control system of the water purification equipment will start the above-mentioned water production process, so that the water in the water storage bag 40 The water storage can be replenished in time, thereby ensuring that the water purification equipment can provide users with high-quality clean water with a large flow rate immediately.
进一步地，该净水设备还包括第二膜滤芯30，该第二膜滤芯30具有第二入水口31、第二净水出口32和第二浓水出口33。本实施例中，该第二膜滤芯30与第一膜滤芯20以串联的连接方式设置，具体地，第一膜滤芯20的第一浓水出口23与第二膜滤芯30的第二入水口31连接，第二膜滤芯30的第二净水出口32连接于第一膜滤芯20的第一净水出口22与储水袋40的进出水口41之间的管路，第二膜滤芯30的第二浓水出口33与浓缩废水排水管13连接，如此，将第一膜滤芯20过滤后的浓缩废水作为第二膜滤芯30的原水进行过滤，一方面能避免浪费，节约用水，另一方面能提高进入储水袋40中的净水的出水速度。本实施例中，第二膜滤芯30为纳滤膜滤芯或反渗透膜滤芯。Further, the water purification equipment further includes a second membrane filter element 30 , and the second membrane filter element 30 has a second water inlet 31 , a second purified water outlet 32 and a second concentrated water outlet 33 . In this embodiment, the second membrane filter element 30 and the first membrane filter element 20 are connected in series, specifically, the first concentrated water outlet 23 of the first membrane filter element 20 and the second water inlet of the second membrane filter element 30 31 connection, the second water purification outlet 32 of the second membrane filter element 30 is connected to the pipeline between the first water purification outlet 22 of the first membrane filter element 20 and the water inlet and outlet 41 of the water storage bag 40, the second membrane filter element 30 The second concentrated water outlet 33 is connected with the concentrated waste water drainpipe 13. In this way, the concentrated waste water filtered by the first membrane filter element 20 is filtered as the raw water of the second membrane filter element 30, which can avoid waste and save water on the one hand. The water outlet speed of the clean water entering the water storage bag 40 can be improved. In this embodiment, the second membrane filter element 30 is a nanofiltration membrane filter element or a reverse osmosis membrane filter element.
需要强调的是，在本发明的另一实施例中，参照图2，该第二膜滤芯30还可与第一膜滤芯20以并联的连接方式设置，具体地，第二膜滤芯30的第二入水口31连接于前置复合滤芯10与第一膜滤芯20的第一入水口21之间的管路，第二膜滤芯30的第二净水出口32连接于第一膜滤芯20的第一净水出口22与储水袋40的进出水口41之间的管路，第二膜滤芯30的第二浓水出口33与浓缩废水排水管13连接，如此，一方面处理水量大，另一方面即时第一膜滤芯20和第二膜滤芯30之间有一个出现了堵塞或者其他故障，该净水设备仍能继续使用。It should be emphasized that, in another embodiment of the present invention, with reference to FIG. The second water inlet 31 is connected to the pipeline between the first water inlet 21 of the pre-composite filter element 10 and the first membrane filter element 20, and the second clean water outlet 32 of the second membrane filter element 30 is connected to the first membrane filter element 20. A pipeline between the clean water outlet 22 and the water inlet and outlet 41 of the water storage bag 40, the second concentrated water outlet 33 of the second membrane filter element 30 is connected with the concentrated waste water drain pipe 13, so that on the one hand, the amount of treated water is large, and on the other On the one hand, even if there is a blockage or other failure between the first membrane filter element 20 and the second membrane filter element 30, the water purification equipment can still be used continuously.
参照图1，在本实施例中，进一步地，该净水设备还包括增压水泵52，该增压水泵52设于前置复合滤芯10与第一膜滤芯20的第一入水口21之间，一方面可使自进水管11进入的原水水压可控，另一方面，该增压水泵52用以提高进入膜滤芯的水的水压，可使的该净水设备能够在原水水压较小的环境中正常使用。该净水设备还包括净水控制阀71，该净水控制阀71设于前置复合滤芯10与增压水泵52之间，当该净水控制阀71关闭时，该净水设备的水路关闭，水流不能进入增压水泵52，整个净水设备处于停机状态；当该净水控制阀71打开时，该净水设备的水路打开，水流得以进入增压水泵52。本实施例中，该净水控制阀71可以为但不限于电磁阀或者电动阀。Referring to FIG. 1 , in this embodiment, further, the water purification equipment further includes a booster water pump 52 , and the booster water pump 52 is arranged between the pre-compound filter element 10 and the first water inlet 21 of the first membrane filter element 20 On the one hand, the pressure of the raw water entering from the water inlet pipe 11 can be controlled; Normal use in smaller environments. The water purification equipment also includes a water purification control valve 71, the water purification control valve 71 is located between the pre-compound filter element 10 and the booster water pump 52, when the water purification control valve 71 is closed, the water path of the water purification equipment is closed , the water flow can not enter the booster water pump 52, and the whole water purification equipment is in shutdown state; In this embodiment, the water purification control valve 71 may be, but not limited to, a solenoid valve or an electric valve.
在本实施例中，进一步地，该净水设备还包括控制器(图未示)、以及设在净水出水管12上高压开关72，其中，控制器与高压开关72和给水泵51均电连接；该高压开关72用以检测净水出水管12中水的水压，并将该水压以电信号的形式发送至控制器，该控制器用以根据上述水压的大小控制给水泵51的工作状态。本实施例中，具体地，高压开关72将检测所得的净水出水管12中的实时水压值以电信号的形式发送至控制器；控制器接收到该实时水压值之后，将该实时水压值与预置水压值(预先设置并存储在控制器中)进行比较，当该实时水压值小于预置水压值时，控制器控制给水泵51维持抽水的工作状态，以维持该净水设备的出水龙头出水；当该实时水压值大于或等于预置水压值时，控制器控制给水泵停止抽水。实际上，当该净水设备的出水龙头处于打开状态时，高压开关72所检测到的实时水压值小于预置水压值；而当该净水设备的出水龙头被关闭时，净水出水管12中的即时水流仍在继续，使得净水出水管12中的实时水压值不断上升，直至实时水压值大于或等于预置水压值，控制器控制给水泵51停止抽水动作，以使净水出水管12中的水流停止。在本实施例中，净水控制阀71、废水控制阀73以及增压水泵52均与控制器电连接，以通过控制器智能的控制净水控制阀71、废水控制阀73和增压水泵52的工作状态，从而提高该净水设备的自动化和智能化。In this embodiment, further, the water purification equipment further includes a controller (not shown in the figure), and a high-pressure switch 72 arranged on the water purification outlet pipe 12, wherein the controller, the high-pressure switch 72 and the feed water pump 51 are electrically connected. connection; the high-pressure switch 72 is used to detect the hydraulic pressure of the water in the clean water outlet pipe 12, and sends the hydraulic pressure to the controller in the form of an electrical signal, and the controller is used to control the water supply pump 51 according to the above-mentioned hydraulic pressure. working status. In this embodiment, specifically, the high-voltage switch 72 sends the detected real-time water pressure value in the clean water outlet pipe 12 to the controller in the form of an electrical signal; after the controller receives the real-time water pressure value, the real-time The water pressure value is compared with the preset water pressure value (preset and stored in the controller), and when the real-time water pressure value is less than the preset water pressure value, the controller controls the water supply pump 51 to maintain the working state of pumping water to maintain The water outlet tap of the water purification equipment outputs water; when the real-time water pressure value is greater than or equal to the preset water pressure value, the controller controls the water supply pump to stop pumping water. In fact, when the water outlet tap of the water purification equipment is open, the real-time water pressure value detected by the high pressure switch 72 is less than the preset water pressure value; and when the water outlet tap of the water purification equipment is closed, the purified water outlet The instant water flow in the water pipe 12 is still continuing, so that the real-time water pressure value in the clean water outlet pipe 12 continues to rise until the real-time water pressure value is greater than or equal to the preset water pressure value, and the controller controls the water supply pump 51 to stop the water pumping action to The water flow in the clean water outlet pipe 12 is stopped. In this embodiment, the water purification control valve 71, the waste water control valve 73 and the booster water pump 52 are all electrically connected to the controller, so as to intelligently control the water purification control valve 71, the waste water control valve 73 and the booster water pump 52 through the controller working status, thereby improving the automation and intelligence of the water purification equipment.
以上仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process conversion made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related technical fields , are all included in the scope of patent protection of the present invention in the same way.
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