CN210286963U - Reverse osmosis water purifier - Google Patents
Reverse osmosis water purifier Download PDFInfo
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- CN210286963U CN210286963U CN201921086877.1U CN201921086877U CN210286963U CN 210286963 U CN210286963 U CN 210286963U CN 201921086877 U CN201921086877 U CN 201921086877U CN 210286963 U CN210286963 U CN 210286963U
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Abstract
The utility model discloses a reverse osmosis water purifier, include: the first water inlet pipe is provided with a temperature sensor; the water inlet end of the second water inlet pipe is connected with the first water inlet pipe; the low-temperature compensation system comprises a temperature compensation pipe and a heating assembly which is arranged on the temperature compensation pipe and used for heating water in the temperature compensation pipe, wherein the water inlet end of the temperature compensation pipe is connected with the first water inlet pipe; the water inlet end of the filtering system is communicated with the water outlet end of the second water inlet pipe and the water outlet end of the low-temperature compensation system; and the controller is electrically connected with the temperature sensor. The utility model discloses in, when the temperature of the water of first inlet tube is less than first preset temperature, can pass through the water of first inlet tube temperature compensation pipe flow to filtration system, heating element heats the intraductal water of temperature compensation, and the water after the heating flows to filtration system again and filters to improve the water yield of reverse osmosis water purifier under the low temperature environment.
Description
Technical Field
The utility model relates to a water purification technical field especially relates to a reverse osmosis water purifier.
Background
The reverse osmosis filter element of the reverse osmosis water purifier is influenced by various characteristics, the water production quantity and the temperature change have a direct relation, and generally, the water production quantity of the reverse osmosis water purifier is reduced along with the reduction of the temperature. The main reason is that the viscosity of water is affected by temperature, the lower the temperature, the greater the viscosity of water. Under normal conditions, the water yield of the water purifier can be reduced by about 2.5% when the temperature is reduced by 1 ℃. At present, the water purification mode of the existing reverse osmosis water purifier is generally that tap water which is not treated is directly introduced, so that the water yield of the reverse osmosis water purifier is low in a low-temperature environment.
In view of the above-mentioned drawbacks, there is a need for a new reverse osmosis water purifier.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a reverse osmosis water purifier aims at solving the problem that current reverse osmosis water purifier produces low yield under low temperature environment.
In order to achieve the above object, the utility model provides a reverse osmosis water purifier, include:
the first water inlet pipe is provided with a temperature sensor;
the water inlet end of the second water inlet pipe is connected with the first water inlet pipe;
the low-temperature compensation system comprises a temperature compensation pipe and a heating assembly which is arranged on the temperature compensation pipe and used for heating water in the temperature compensation pipe, and the water inlet end of the temperature compensation pipe is connected with the first water inlet pipe;
the water inlet end of the filtering system is communicated with the water outlet end of the second water inlet pipe and the water outlet end of the low-temperature compensation system;
and the controller is electrically connected with the temperature sensor.
Preferably, the heating assembly comprises a power generation device, and an impeller and a heating pipe which are sequentially arranged along the water inlet end of the temperature compensation pipe to the water outlet end of the temperature compensation pipe, the power generation device is electrically connected with the heating pipe, the impeller drives the power generation device to generate power, and the heating pipe is used for heating water in the temperature compensation pipe.
Preferably, the water outlet end of the temperature compensation pipe is provided with a temperature limiter, the temperature limiter is electrically connected with the controller, and when the temperature value detected by the temperature limiter is greater than or equal to a second preset temperature, the controller controls the first water inlet pipe to be communicated with the second water inlet pipe and the first water inlet pipe to be separated from the temperature compensation pipe.
Preferably, the water inlet end of the second water inlet pipe and the water inlet end of the temperature compensation pipe are connected with the first water inlet pipe through an electromagnetic three-way valve, and the controller is configured to control the electromagnetic three-way valve to communicate the first water inlet pipe and the second water inlet pipe when the temperature value detected by the temperature sensor is greater than or equal to a first preset temperature; when the temperature value detected by the temperature sensor is lower than a first preset temperature, the electromagnetic three-way valve is controlled to be communicated with the first water inlet pipe and the temperature compensation pipe.
Preferably, the first water inlet pipe comprises a main water inlet pipe, and a first branch pipe and a second branch pipe which are communicated with the main water inlet pipe, the water inlet end of the second water inlet pipe is connected with the first branch pipe through an electromagnetic two-way valve, the water inlet end of the temperature compensation pipe is connected with the second branch pipe through an electromagnetic two-way valve, and the controller is used for controlling the electromagnetic two-way valve to communicate the first branch pipe with the second water inlet pipe and controlling the electromagnetic two-way valve to block the second branch pipe from the second water inlet pipe when the temperature value detected by the temperature sensor is greater than or equal to a first preset temperature; and when the temperature value detected by the temperature sensor is lower than a first preset temperature, controlling the electromagnetic two-way valve to communicate the second branch pipe with the second water inlet pipe and controlling the electromagnetic two-way valve to separate the first branch pipe from the second water inlet pipe.
Preferably, the filtration system includes the third inlet tube and is in booster pump and the RO filter core that set gradually on the third inlet tube, the end of intaking of third inlet tube and the play water end of second inlet tube, low temperature compensating system's play water end all communicates, connect water purification outlet pipe and waste pipe on the RO filter core.
Preferably, the third inlet pipe is provided with a water inlet electromagnetic valve and a front filter element, the water inlet electromagnetic valve and the front filter element are arranged between the water inlet end of the third inlet pipe and the RO filter element, and the water inlet electromagnetic valve is electrically connected with the controller.
Preferably, the preposed filter element is one or more of a preposed activated carbon filter element, a carbon rod filter element, a PP cotton filter element and a PP cotton and carbon rod composite filter element.
Preferably, be equipped with high-voltage switch and rearmounted active carbon filter core on the water purification outlet pipe, high-voltage switch locates the RO filter core with between the rearmounted active carbon filter core.
Preferably, a wastewater electromagnetic valve is arranged on the wastewater pipe and electrically connected with the controller.
In the technical scheme of the utility model, a temperature sensor is arranged on the first water inlet pipe; the water inlet end of the second water inlet pipe is connected with the first water inlet pipe; the low-temperature compensation system comprises a temperature compensation pipe and a heating assembly which is arranged on the temperature compensation pipe and used for heating water in the temperature compensation pipe, wherein the water inlet end of the temperature compensation pipe is connected with the first water inlet pipe; the water inlet end of the filtering system is communicated with the water outlet end of the second water inlet pipe and the water outlet end of the low-temperature compensation system; and the controller is electrically connected with the temperature sensor. In the reverse osmosis water purifier, the controller is electrically connected with the temperature sensor and is used for controlling the first water inlet pipe to be communicated with the second water inlet pipe and the first water inlet pipe to be separated from the temperature compensation pipe when the temperature value detected by the temperature sensor is greater than or equal to a first preset temperature; when the temperature value detected by the temperature sensor is lower than a first preset temperature, the first water inlet pipe is controlled to be communicated with the temperature compensation pipe and is separated from the first water inlet pipe and the second water inlet pipe, namely when the temperature of the water of the first water inlet pipe is higher than or equal to the first preset temperature, the water yield of the reverse osmosis water purifier meets the requirement at the water temperature, the water does not need to be treated, and the water of the first water inlet pipe can directly flow to the filtering system through the second water inlet pipe; when the temperature of the water of first inlet tube is less than first predetermined temperature, it crosses lowly to explain the temperature, can pass through the water of first inlet tube temperature compensation pipe flow to filtration system, heating element heats the water in the temperature compensation pipe, the water after the heating flows to filtration system again and filters, thereby improve the temperature of filterable water under the low temperature environment in the filtration system, and then promote the water yield of reverse osmosis water purifier under the low temperature environment, and, the temperature of the water that flows out from filtration system under the low temperature environment will promote to some extent, can convenience of customers's use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of the reverse osmosis water purifier of the present invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The utility model provides a, aim at solving the problem that current reverse osmosis water purifier produced water yield low under low temperature environment.
Referring to fig. 1, in an embodiment of the present invention, a reverse osmosis water purifier includes: the first water inlet pipe 100 is provided with a temperature sensor 110 on the first water inlet pipe 100; a second water inlet pipe 200, wherein the water inlet end of the second water inlet pipe 200 is connected with the first water inlet pipe 100; a low temperature compensation system (not shown) including a temperature compensation pipe 310 and a heating element 320 disposed on the temperature compensation pipe 310 and used for heating water in the temperature compensation pipe 310, wherein a water inlet end of the temperature compensation pipe 310 is connected to the first water inlet pipe 100; the water inlet end of the filtering system 400 is communicated with the water outlet end of the second water inlet pipe 200 and the water outlet end of the low-temperature compensation system; and a controller (not shown) electrically connected to the temperature sensor 110. The controller is used for controlling the first water inlet pipe 100 to be communicated with the second water inlet pipe 200 and the first water inlet pipe 100 to be isolated from the temperature compensation pipe 310 when the temperature value detected by the temperature sensor 110 is greater than or equal to a first preset temperature; when the temperature value detected by the temperature sensor 110 is less than the first preset temperature, the first water inlet pipe 100 is controlled to be communicated with the temperature compensation pipe 310 and to be separated from the first water inlet pipe 100 and the second water inlet pipe 200.
Wherein, filtration system 400 is used for filtering water, and the controller is connected with temperature sensor 110 electricity, and temperature sensor 110 is used for detecting the temperature of the water in first inlet tube 100, and the controller is used for receiving the temperature value that temperature sensor 110 detected to control first inlet tube 100 and second inlet tube 200 or temperature compensation pipe 310 intercommunication according to this temperature value, first preset temperature can carry out manual setting according to the characteristic of the filter core in filtration system 400 in this embodiment. The controller can be a programmable controller PLC or a single chip, or in other embodiments, the controller can be a purchased empty IC, and the required functional program can be written into the empty IC. The temperature compensation pipe 310 is provided with a heating component 320, which can heat the water flowing through the temperature compensation pipe 310, so that the temperature of the water flowing into the filtering system 400 can meet the user requirement.
In the reverse osmosis water purifier of the present invention, when the temperature of the water in the first water inlet pipe 100 is greater than or equal to the first preset temperature, it indicates that the water yield of the reverse osmosis water purifier meets the requirement at the water temperature, and the water does not need to be treated, and the water in the first water inlet pipe 100 can directly flow to the filtering system 400 through the second water inlet pipe 200; when the temperature of the water of first inlet tube 100 is less than first predetermined temperature, it explains that the temperature is crossed lowly, can pass through temperature compensation pipe 310 flow direction filtration system 400 with the water of first inlet tube 100, heating element 320 heats the water in temperature compensation pipe 310, the water after the heating flows to filtration system 400 again and filters, thereby improve the temperature of filterable water under the low temperature environment in filtration system 400, and then promote the water yield of reverse osmosis water purifier under the low temperature environment, and, the temperature of the water that flows out from filtration system 400 under the low temperature environment will promote to some extent, can convenience of customers' use.
Specifically, in one embodiment, the water inlet end of the second water inlet pipe 200 and the water inlet end of the temperature compensating pipe 310 are connected to the first water inlet pipe 100 through an electromagnetic three-way valve, and the controller controls the electromagnetic three-way valve to communicate with the second water inlet pipe 200 or the temperature compensating pipe 310 according to the temperature value detected by the temperature sensor 110. That is, the controller is configured to control the electromagnetic three-way valve to communicate the first water inlet pipe 100 and the second water inlet pipe 200 and to block the first water inlet pipe 100 and the temperature compensation pipe 310 when the temperature of the water of the first water inlet pipe 100 is greater than or equal to a first preset temperature, and to control the electromagnetic three-way valve to block the first water inlet pipe 100 and the second water inlet pipe 200 and to communicate the first water inlet pipe 100 and the temperature compensation pipe 310 when the temperature of the water of the first water inlet pipe 100 is less than the first preset temperature.
In another embodiment, the first water inlet pipe 100 includes a main water inlet pipe, and a first branch pipe and a second branch pipe communicated with the main water inlet pipe, the water inlet end of the second water inlet pipe 200 is connected with the first branch pipe through an electromagnetic two-way valve, the water inlet end of the temperature compensation pipe 310 is connected with the second branch pipe through an electromagnetic two-way valve, and the controller is configured to control the electromagnetic two-way valve to communicate the first branch pipe with the second water inlet pipe and control the electromagnetic two-way valve to block the second branch pipe from the second water inlet pipe when a temperature value detected by the temperature sensor is greater than or equal to a first preset temperature; when the temperature value detected by the temperature sensor is lower than a first preset temperature, the electromagnetic two-way valve is controlled to communicate the second branch pipe with the second water inlet pipe and to cut off the first branch pipe and the second water inlet pipe. Specifically, the controller is used for controlling the electromagnetic two-way valve connecting the first water inlet pipe 100 and the second water inlet pipe 200 to be opened and controlling the electromagnetic two-way valve connecting the first water inlet pipe 100 and the temperature compensation pipe 310 to be closed when the temperature of the water in the first water inlet pipe 100 is greater than or equal to a first preset temperature; when the temperature of the water in the first water inlet pipe 100 is lower than a first preset temperature, the electromagnetic two-way valve connecting the first water inlet pipe 100 and the second water inlet pipe 200 is controlled to be closed, and the electromagnetic two-way valve connecting the first water inlet pipe 100 and the temperature compensation pipe 310 is controlled to be opened.
Further, referring to fig. 1, the heating assembly 320 includes a power generation device 321, and an impeller 322 and a heating tube 323 sequentially disposed along a water inlet end of the temperature compensation tube 310 to a water outlet end of the temperature compensation tube 310, the power generation device 321 is electrically connected to the heating tube 323, the impeller 322 drives the power generation device 321 to generate power, and the heating tube 323 is used for heating water in the temperature compensation tube 310. When the controller controls the first water inlet pipe 100 to be communicated with the temperature compensation pipe 310, water flows through the temperature compensation pipe 310 and then enters the filtering system 400, the impeller 322 rotates under the action of the water flow, the impeller 322 drives the power generation device 321 to generate power, the power generation device 321 provides electric energy for the heating pipe 323, the heating pipe 323 heats water in the temperature compensation pipe 310, the heating component 320 utilizes potential energy of the water to perform self-generating heating, extra energy is not required to be consumed to heat the water, and the energy-saving and environment-friendly water heater is energy-saving and environment-friendly.
In one embodiment, the power generation device 321 may include magnetic steel and a power generation coil, the impeller 322 is connected to the magnetic steel, the power generation coil is disposed inside or outside the magnetic steel, the water flow drives the impeller 322 to rotate, and the magnetic steel cuts the power generation coil to generate power. In another embodiment, the power generating device 321 may also be a solenoid power generating circuit, a power generating conductor of the solenoid power generating circuit is disposed on the impeller 322, and the impeller 322 rotates to drive the power generating conductor to move, so that the solenoid power generating circuit generates current. In yet another embodiment, the permanent magnet on the impeller 322 and the power generating device 321 may also be an electromagnetic coil corresponding to the permanent magnet, that is, the electromagnetic coil is disposed around the impeller 322, the electromagnetic coil includes an iron core, the electromagnetic coil corresponds to a stator of a conventional generator, and the impeller 322 rotates to drive the permanent magnet to rotate, so that the electromagnetic coil generates power.
Referring to fig. 1, in order to avoid damage to the filter element in the filter system 400 caused by an excessively high temperature of the water introduced into the filter system 400, a temperature limiter 330 may be disposed at the water outlet end of the temperature compensation pipe 310, and the temperature limiter 330 is electrically connected to the controller, when the temperature value detected by the temperature limiter 330 is greater than or equal to a second preset temperature, the controller controls the first water inlet pipe 100 to communicate with the second water inlet pipe 200 and the first water inlet pipe 100 to be isolated from the temperature compensation pipe 310, that is, when the temperature of the water outlet end in the temperature compensation pipe 310 is excessively high, the water in the first water inlet pipe 100 is controlled to flow into the filter system 400 through the second water purification pipe, the water in the first water inlet pipe 100 does not flow into the temperature compensation pipe 310 any more, and at this time, the heating element 320 will not heat the water in the temperature compensation pipe 310 any more.
Further, referring to fig. 1, the filtering system 400 includes a third water inlet pipe 410, and a booster pump 420 and an RO (Reverse Osmosis) filter element sequentially disposed on the third water inlet pipe 410, wherein a water inlet end of the third water inlet pipe 410 is communicated with a water outlet end of the second water inlet pipe 200 and a water outlet end of the low temperature compensation system, and the RO filter element 430 is connected with a purified water outlet pipe 431 and a waste water pipe 432. The booster pump 420 and the RO filter element 430 are sequentially disposed along the water inlet end of the third water inlet pipe 410 to the water outlet end of the third water inlet pipe 410, water flowing out of the second water inlet pipe 200 or the temperature compensation pipe 310 is led to the third water inlet pipe 410, the booster pump 420 on the third water inlet pipe 410 boosts water flow, that is, the water pressure on the water inlet side and the water outlet side of the RO filter element 430 is increased, so that the water flow is more easily filtered by the RO filter element 430, and the RO filter element 430 is a reverse osmosis filter element. The RO cartridge 430 is connected to a purified water outlet pipe 431 and a waste water pipe 432, and water flow is divided into purified water and waste water after passing through the RO cartridge 430, the purified water flows out from the purified water outlet pipe 431, and the waste water flows out from the waste water pipe 432.
Referring to fig. 1, the third water inlet pipe 410 is provided with a water inlet solenoid valve 440 and a pre-filter cartridge 450, and the water inlet solenoid valve 440 and the pre-filter cartridge 450 are disposed between the water inlet end of the third water inlet pipe 410 and the RO filter cartridge 430. Leading filter core 450 is used for carrying out the prefilter to water, filters the impurity of aquatic, improves quality of water, clears away the aquatic bad smell, can effectively get rid of the various particle impurity in the liquid that filters, clears away the material that produces the damage to RO filter core 430 in the aquatic, protects RO filter core 430, extension RO filter core 430's life. The pre-filter 450 may be one or more of a pre-activated carbon filter, a carbon rod filter, a PP cotton filter, and a PP cotton and carbon rod composite filter. The water inlet solenoid valve 440 is electrically connected to the controller, and when the reverse osmosis water purifier is required to purify water, the water inlet solenoid valve 440 is opened, and when the reverse osmosis water purifier is not required to purify water, the water inlet solenoid valve 440 is closed.
In addition, referring to fig. 1, a high-pressure switch 460 and a rear activated carbon filter 470 are disposed on the purified water outlet pipe 431, and the high-pressure switch 460 is disposed between the RO filter 430 and the rear activated carbon filter 470. The high pressure switch 460 is used to balance the water volume and pressure, and the post-positioned activated carbon filter 470 is used to further filter the water.
Referring to fig. 1, a wastewater solenoid valve 433 is disposed on the wastewater pipe 432, the wastewater solenoid valve 433 is electrically connected to the controller, and the flux of the RO filter cartridge 430 is adjusted by opening and closing the wastewater solenoid valve 433 to adjust the pre-membrane working pressure of the RO filter cartridge 430.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A reverse osmosis water purifier, comprising:
the first water inlet pipe is provided with a temperature sensor;
the water inlet end of the second water inlet pipe is connected with the first water inlet pipe;
the low-temperature compensation system comprises a temperature compensation pipe and a heating assembly which is arranged on the temperature compensation pipe and used for heating water in the temperature compensation pipe, and the water inlet end of the temperature compensation pipe is connected with the first water inlet pipe;
the water inlet end of the filtering system is communicated with the water outlet end of the second water inlet pipe and the water outlet end of the low-temperature compensation system;
and the controller is electrically connected with the temperature sensor.
2. The reverse osmosis water purifier of claim 1, wherein the heating assembly comprises a power generation device, and an impeller and a heating tube which are sequentially arranged along the water inlet end of the temperature compensation tube to the water outlet end of the temperature compensation tube, the power generation device is electrically connected with the heating tube, the impeller drives the power generation device to generate power, and the heating tube is used for heating water in the temperature compensation tube.
3. The reverse osmosis water purifier of claim 1, wherein a temperature limiter is disposed at a water outlet end of the temperature compensation pipe and electrically connected to the controller, and when a temperature value detected by the temperature limiter is greater than or equal to a second preset temperature, the controller controls the first water inlet pipe to communicate with the second water inlet pipe and the first water inlet pipe to be isolated from the temperature compensation pipe.
4. The reverse osmosis water purifier of claim 1, wherein the water inlet end of the second water inlet pipe and the water inlet end of the temperature compensating pipe are connected to the first water inlet pipe through an electromagnetic three-way valve, and the controller is configured to control the electromagnetic three-way valve to communicate the first water inlet pipe with the second water inlet pipe when a temperature value detected by the temperature sensor is greater than or equal to a first preset temperature; when the temperature value detected by the temperature sensor is lower than a first preset temperature, the electromagnetic three-way valve is controlled to be communicated with the first water inlet pipe and the temperature compensation pipe.
5. The reverse osmosis water purifier of claim 1, wherein the first water inlet pipe comprises a main water inlet pipe and a first branch pipe and a second branch pipe communicated with the main water inlet pipe, a water inlet end of the second water inlet pipe is connected with the first branch pipe through an electromagnetic two-way valve, a water inlet end of the temperature compensation pipe is connected with the second branch pipe through an electromagnetic two-way valve, and the controller is configured to control the electromagnetic two-way valve to communicate the first branch pipe with the second water inlet pipe and control the electromagnetic two-way valve to block the second branch pipe from the second water inlet pipe when a temperature value detected by the temperature sensor is greater than or equal to a first preset temperature; and when the temperature value detected by the temperature sensor is lower than a first preset temperature, controlling the electromagnetic two-way valve to communicate the second branch pipe with the second water inlet pipe and controlling the electromagnetic two-way valve to separate the first branch pipe from the second water inlet pipe.
6. The reverse osmosis water purifier of any one of claims 1-5, wherein the filtration system comprises a third water inlet pipe, a booster pump and an RO filter element, the booster pump and the RO filter element are sequentially arranged on the third water inlet pipe, the water inlet end of the third water inlet pipe is communicated with the water outlet end of the second water inlet pipe and the water outlet end of the low temperature compensation system, and the RO filter element is connected with a purified water outlet pipe and a waste water pipe.
7. The reverse osmosis water purifier of claim 6, wherein the third inlet pipe is provided with a water inlet solenoid valve and a pre-filter element, the water inlet solenoid valve and the pre-filter element are disposed between the water inlet end of the third inlet pipe and the RO filter element, and the water inlet solenoid valve is electrically connected to the controller.
8. The reverse osmosis water purifier of claim 7, wherein the pre-filter element is one or more of a pre-activated carbon filter element, a carbon rod filter element, a PP cotton filter element, and a composite filter element of PP cotton and a carbon rod.
9. The reverse osmosis water purifier of claim 6, wherein the purified water outlet pipe is provided with a high-pressure switch and a rear activated carbon filter element, and the high-pressure switch is arranged between the RO filter element and the rear activated carbon filter element.
10. The reverse osmosis water purifier of claim 6, wherein the waste pipe is provided with a waste solenoid valve, and the waste solenoid valve is electrically connected to the controller.
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CN112050459A (en) * | 2020-08-31 | 2020-12-08 | 宁波方太厨具有限公司 | Water purification system, control method thereof and water purifier |
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CN112050459A (en) * | 2020-08-31 | 2020-12-08 | 宁波方太厨具有限公司 | Water purification system, control method thereof and water purifier |
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Effective date of registration: 20220905 Address after: 528427, Zhongshan, Guangdong province Nantou town head road Patentee after: TCL AIR CONDITIONER (ZHONGSHAN) Co.,Ltd. Address before: 528234 No. 38 Fengshuo Road, Nantou Town, Zhongshan City, Guangdong Province (Building 1-3) Patentee before: TCL HOUSEHOLD APPLIANCES (ZHONGSHAN) Co.,Ltd. |
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