CN220926314U - Water purifier - Google Patents

Abstract

The embodiment of the utility model provides a water purifier. The water purifier is provided with a water inlet end, a water purifying end, a water draining end, a booster pump, a central filter element and a base shell, wherein a central filter seat is arranged in the base shell, one end of the central filter element is installed to the central filter seat, the other end of the central filter element extends out of the base shell, and the booster pump is fixed in the base shell. The booster pump and the central filter seat are directly fixed in the base shell, and one end of the central filter element is fixed through the central filter seat, and the other end of the central filter element extends out of the base shell, so that the base shell can be simplified, a bracket can be omitted, and the cost is further reduced. Moreover, because the central filter element extends out of the base shell, the operation of replacing the central filter element by a user can be simplified, the user can replace the central filter element without disassembling the base shell, and the user experience is good. In addition, before transportation, can place central filter core purifier body separation, can reduce occupation space, still can avoid vibrations or collision in the transportation to influence the performance.

Description

Water purifier

Technical Field

The utility model relates to the technical field of water purification, in particular to a water purifier.

Background

With the increasing demands of people on life quality, water purifiers have become essential living goods.

The existing water purifier in the market generally comprises a shell and a support, wherein components such as a filter element, a booster pump and the like are fixed on the support and protected by the shell.

The filter element needs to be replaced regularly, and the filter element fixed by the bracket is generally difficult to disassemble and assemble. And usually dismantle the filter core and need to dismantle the shell change, to the people that the ability of handling is slightly poor hardly accomplish, influence user experience.

Disclosure of utility model

In order to at least partially solve the problems in the prior art, embodiments of the present utility model provide a water purifier.

The utility model discloses a water purifier, which is provided with a water inlet end, a water purifying end and a water draining end, and comprises: the water inlet of the booster pump is connected with the water inlet end, the water outlet of the booster pump is connected with the raw water port of the central filter element, the water purifying port of the central filter element is connected with the water purifying end, and the waste water port of the central filter element is connected with the water draining end; and the base shell is internally provided with a central filter seat, one end of the central filter element is mounted to the central filter seat, the other end of the central filter element extends out of the base shell, and the booster pump is fixed in the base shell.

Compared with the water purifier on the market, the technical scheme provided by the application has the advantages that the booster pump and the central filter seat are directly fixed in the base shell, one end of the central filter element is fixed through the central filter seat, and the other end of the central filter element extends out of the base shell, so that the base shell can be simplified, the bracket can be omitted, and the cost is further reduced. Moreover, because the central filter element extends out of the base shell, the operation of replacing the central filter element by a user can be simplified, the user can replace the central filter element without disassembling the base shell, and the user experience is good. In addition, before transportation, can place central filter core purifier body separation, can reduce occupation space, still can avoid vibrations or collision in the transportation to influence the performance.

Illustratively, the base shell comprises a first shell and a second shell, the first shell and the second shell are buckled to form an installation space, the booster pump and the central filter seat are arranged in the installation space and fixed to the first shell, an opening is formed in the second shell, and the central filter core extends out of the base shell through the opening.

The split shell has simple structure and lower production and assembly cost. The first shell and the second shell are detachably buckled, and the maintenance is convenient when the water purifier breaks down.

The central filter seat is provided with a central filter seat water inlet communicated with a raw water port of the central filter element and a central filter seat water outlet communicated with a waste water port of the central filter element, the central filter seat water inlet is connected to a water outlet of the booster pump through a first water pipe, the central filter seat water outlet is connected to a water discharge end through a second water pipe, and the first water pipe and the second water pipe are arranged in the base shell.

In the technical scheme, all parts are connected through the water pipe, and compared with the waterway plate, the water-saving type hydraulic pipeline has lower cost. The central filter seat and the central filter core are connected in a waterway mode after being assembled, the possibility that a user connects a wrong pipeline is avoided, the possible water leakage risk is reduced, the filter core is more convenient to replace, and the user experience is optimized.

The central filter cartridge is illustratively screwed and/or snapped to the central filter cartridge about a predetermined axis, the central filter cartridge water inlet and the central filter cartridge water outlet being arranged concentric with the predetermined axis, and the raw water gap and the waste water gap of the central filter cartridge being arranged concentric with the predetermined axis.

Compared with other connection modes, the screw thread and the screw clamp are simpler and more convenient, and the reliability is relatively higher. The concentric arrangement can closely arrange the water inlet of the central filter seat and the water outlet of the central filter seat together, thereby effectively saving the space occupation of the joint. And the concentrically arranged interfaces reduce water leakage points, so that the device is more reliable.

Illustratively, the water purification port of the central cartridge is located outside the base housing.

Therefore, the water purifying port is arranged outside the base shell, so that purified water can be directly provided for a user without a complex structure. The user is more convenient when connecting the pipeline, is difficult for makeing mistakes. The structure of the central filter seat can be greatly simplified, thereby reducing the cost and improving the reliability.

Illustratively, the water purifier further includes a water outlet nozzle forming a water purifying end, the water outlet nozzle being disposed on the central filter element.

Therefore, the pipeline from the purified water prepared by the central filter element to the purified water end can be shortened, accumulated water is reduced, and secondary pollution of the pipeline to the purified water can be reduced. In addition, compared with a tap with a valve, the water outlet nozzle has simple structure and lower cost. Because no valve is arranged, pressure is not required to be born, the reliability is higher, and the valve is not easy to damage.

Illustratively, the spout is removably connected to the central cartridge.

The water outlet nozzle is not needed to be discarded when the filter element is replaced, so that the waste of resources is reduced. When the water outlet nozzle is connected to the central filter core in a threaded mode, a screw clamp mode and the like, the disassembly is simple, and the sealing performance is good.

Illustratively, the central filter cartridge includes a filter cartridge including a first portion and a second portion circumscribing a filter space, the first portion and the second portion being removably connected, the filter media being removably disposed within the filter space, the first portion being mounted to the central filter base, and the second portion being located outside of the base housing, the water outlet being disposed on the second portion.

Therefore, when the performance of the central filter element is reduced, only the filter material can be replaced, so that the use cost is saved.

Illustratively, the raw water port of the central cartridge is connected to the water outlet of the booster pump by a first water tube that is housed within the base housing.

The water pipe is low in cost and simple in design. The first water pipe is arranged in the base shell, so that the pipeline can be prevented from being damaged, and the appearance is more attractive.

Illustratively, the waste water port of the central cartridge is connected to the drain end by a second water conduit that is received within the base housing.

The water pipe is low in cost and simple in design. The second water pipe is arranged in the base shell, so that the pipeline can be prevented from being damaged, and the appearance is more attractive.

Illustratively, the water inlet of the booster pump is connected to the water inlet end by a third water tube that is housed within the base housing.

The water pipe is low in cost and simple in design. The third water pipe is arranged in the base shell, so that the pipeline can be prevented from being damaged, and the appearance is more attractive.

Illustratively, the water purification port of the central cartridge is connected to the water purification end by a fourth water tube that is housed within the base housing.

The water pipe is low in cost and simple in design. The fourth water pipe is arranged in the base shell, so that the pipeline can be prevented from being damaged, and the appearance is more attractive.

Illustratively, the water purifier comprises a water flow detection device and a mechanical switch, wherein the water flow detection device and the mechanical switch are connected in series between a water inlet and a water inlet end of the booster pump, at least an operation part of the mechanical switch extends out of the base shell, and the water flow detection device is used for detecting water flow information in a pipeline to control the operation of the booster pump. At least the operating portion of the mechanical switch protrudes out of the base housing to facilitate user operation.

The water purifier further comprises a controller, wherein the controller is electrically connected with the water flow detection device and the booster pump, and the controller is used for controlling the work of the booster pump according to the water flow information.

In the above technical solution, the setting controller may set a suitable threshold value to control the operation of the booster pump. Therefore, the influence of interference in the waterway on the normal operation of the water purifier can be avoided. The water flow detection device can be reasonably selected, the booster pump is controlled to work after the water flow information is processed by the controller, signals such as analog signals, digital signals, bus signals and the like generated by the water flow detection device can be received and processed, and the compatibility is better.

Illustratively, the water flow detection device includes a low voltage switch, and the mechanical switch is located upstream of the low voltage switch.

The low-voltage switch can detect the water pressure condition in the waterway with low cost, and has high reliability, and in the scheme of matching the controller, the control logic of the controller is simple, the cost is further reduced, and the error is not easy to occur.

Illustratively, the water flow detection means comprises a flow meter connected in series between the water inlet and the water inlet of the booster pump.

The flowmeter is usually calibrated, so that the reliability is high, and the flowmeter is not easy to interfere. The flowmeter can detect water flow more accurately, and to the purifier of different flux, only need adjust preset threshold value in the controller and can match, same purifier also can adjust after changing different filter cores, need not to change hardware structure, and the flexibility is good.

Illustratively, the water purifier further comprises a pre-filter element connected in series between the water inlet and the water inlet end of the booster pump, and the mechanical switch is arranged downstream of the pre-filter element.

The mechanical switch is arranged at the downstream of the preposed filter element, so that the service life of the mechanical switch can be effectively prolonged.

Illustratively, the water purifier further includes a pre-filter element disposed in series upstream of the central filter element.

Therefore, the water entering the central filter element can be subjected to primary filtration to remove impurities with larger particles such as sediment, rust and the like, so that the service life of the central filter element is prolonged.

Illustratively, the water purifier further comprises a pre-filter seat fixed in the base shell; one end of the preposed filter element is connected to the preposed filter seat, and the other end of the preposed filter element extends out of the base shell.

The front filter element can be separated from the water purifier body before transportation, so that occupied space can be reduced, and the performance can be prevented from being influenced by vibration or collision in the transportation process. The front filter element can be mounted on the front filter seat without disassembling the base shell, so that the assembly of a user is facilitated. The user does not need to carry out complicated pipeline connection, and the user experience is good through simple grafting or spin card equipment.

Illustratively, the central filter element includes one or more of a reverse osmosis filter element, a nanofiltration filter element, a composite filter element composited with a reverse osmosis filter element, and a composite filter element composited with a nanofiltration filter element.

By adopting the central filter element, only water molecules and partial mineral ions beneficial to human bodies can pass through, other impurities and heavy metals are discharged from the waste water pipe, and high-quality purified water is provided for users.

Illustratively, the central filter element has a waste gate with only a waste water ratio valve connected between the waste gate and the drain.

Thus, the wastewater concentrated by the central filter element is discharged through the wastewater ratio valve, and the continuous rising of the raw water concentration is avoided, so that the water production efficiency is improved. The cost of waste water is lower than that of waste water electromagnetic valve.

Illustratively, the water purifier further includes a controller disposed within the base housing.

The base shell can provide protection for the controller, and prevents water drops, stains and the like from affecting the safety and service life of the controller.

Illustratively, the water purifier further includes a power adapter electrically connected to the controller and the booster pump, the power adapter disposed in the base housing.

The base shell can provide protection for the power adapter, and prevents water drops, stains and the like from affecting the safety and service life of the power adapter.

Illustratively, the water inlet end and the water outlet end are disposed on the base housing.

The user can connect the water inlet pipe and the water outlet pipe without disassembling the base shell, and the operation is simple and convenient. And if water leakage occurs at the joint, the water cannot accumulate in the base shell to cause short circuit and other conditions, so that the safety is higher.

In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description section. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

Advantages and features of the utility model are described in detail below with reference to the accompanying drawings.

Drawings

The following drawings are included to provide an understanding of the utility model and are incorporated in and constitute a part of this specification. Embodiments of the present utility model and their description are shown in the drawings to explain the principles of the utility model. In the drawings of which there are shown,

Fig. 1 illustrates a block diagram of a water purifier according to an exemplary embodiment of the present utility model;

fig. 2 is a top view of the water purifier shown in fig. 1;

Fig. 3 is a water path diagram of the water purifier shown in fig. 2.

Wherein the above figures include the following reference numerals:

101. A water inlet end; 102. a drainage end; 103. a water purifying end; 104. a water outlet nozzle; 110. a base shell; 120. a filter element is arranged in front; 121. a front filter seat; 130. a central filter element; 131. a central filter base; 140. a mechanical switch; 150. a water flow detection device; 160. a booster pump; 170. a controller; 180. a power adapter; 190. a waste water ratio valve; 210. a first water pipe; 220. a second water pipe; 230. a third water pipe; 240. and a fourth water pipe.

Detailed Description

In the following description, numerous details are provided to provide a thorough understanding of the utility model. However, it will be understood by those skilled in the art that the following description illustrates preferred embodiments of the utility model by way of example only and that the utility model may be practiced without one or more of these details. Furthermore, some technical features that are known in the art have not been described in detail in order to avoid obscuring the utility model.

In the following description, a detailed structure will be presented for a thorough understanding of embodiments of the present utility model. It will be apparent that embodiments of the utility model may be practiced without limitation to the specific details that are set forth by those skilled in the art. Preferred embodiments of the present utility model are described in detail below, however, the present utility model may have other embodiments in addition to these detailed descriptions.

The embodiment of the utility model provides a water purifier. The water purifier may include, but is not limited to, a desktop water purifier or an embedded water purifier, etc. Hereinafter, a water purifier according to an embodiment of the present utility model will be described in detail with reference to fig. 1 to 3.

The water purifier described herein, having a water inlet end 101, a water purifying end 103, and a water outlet end 102, may further include a booster pump 160 and a central cartridge 130. Fig. 1 illustrates a block diagram of a water purifier according to an exemplary embodiment of the present utility model. The water inlet of the booster pump can be connected with the water inlet end 101, and the water outlet of the booster pump can be connected with the raw water inlet of the central filter element 130. The clean water outlet of the central cartridge 130 may be connected to the clean water end 103 and the waste water outlet of the central cartridge 130 may be connected to the drain end 102. The water purifier may further include a base housing 110, and a central filter seat may be disposed in the base housing 110. One end of the central cartridge 130 may be mounted to the central filter base and the other end of the central cartridge 130 may protrude beyond the base housing 110. The booster pump may be fixed within the base housing 110. The booster pump is not shown because it is housed within the base housing 110.

Fig. 2 is a top view of the water purifier shown in fig. 1. The central filter base 131 and the booster pump 160 may be fixed in the base housing 110 by means of, for example, an adhesive, a tie-down, screws, or the like. The central filter base 131 may serve only a fixing function, fixing the central cartridge 130 to the base housing 110. Illustratively, the central filter cartridge 130 is connected to the central filter base 131 by a snap-fit connection, and the user can remove the pipe from the opening in the base housing 110 and connect to the raw water port, the clean water port, and the waste water port of the central filter cartridge 130, and insert the central filter cartridge 130 into the base housing 110 from the opening to connect to the central filter base 131. The connection between the central cartridge 130 and the central filter base 131 may be non-removable. Preferably, the connection of the central cartridge 130 and the central filter base 131 is removable, such as one or more of a pluggable snap, screw or spin-on. At this time, the base housing 110 and the components within the base housing 110 may be regarded as the body of the water purifier.

The base housing 110 may be semi-enclosed. For example, the bottom surface of the base housing 110 may be open, and the booster pump 160, the center filter base 131, and the like may be seen from the bottom. Preferably, the base housing 110 may shield the booster pump 160 and the central filter base 131, etc. For example, the base housing 110 is placed in a cabinet or on a counter, forming a relatively closed space with the cabinet or counter, etc., to avoid damaging components such as dirt and water. More preferably, the base housing 110 is fully enclosed and may include an opening through which the central cartridge 130 may be mounted from outside the base housing 110 to the central filter base 131.

Although the embodiment shown in fig. 1, in which the central cartridge 130 is vertically disposed on the base housing 110, the present application does not exclude embodiments in which the opening is disposed laterally of the base housing 110, and the central cartridge 130 interfaces with the central filter base 131 through the lateral opening. The base shell 110 can be used as a base to enable the water purifier to be placed directly on a table, can be fixed on a wall in a wall-mounted manner, or can be fixed in a proper position in a lifting manner if required.

Compared with the water purifier on the market, the technical scheme provided by the application has the advantages that the booster pump 160 and the central filter base 131 are directly fixed in the base shell 110, one end of the central filter element 130 is fixed through the central filter base 131, and the other end of the central filter element extends out of the base shell 110, so that the base shell 110 can be simplified, a bracket can be omitted, and the cost is further reduced. Moreover, since the central filter element 130 extends out of the base housing 110, the operation of replacing the central filter element 130 by a user can be simplified, the user can replace the central filter element 130 without disassembling the base housing 110, and the user experience is good. In addition, before transportation, the central filter element 130 water purifier body can be separated and placed, occupied space can be reduced, and performance can be prevented from being influenced by vibration or collision in the transportation process.

The water purifier of the present utility model is preferably a desk-top water purifier, and of course, other types of water purifiers, such as an embedded water purifier in which the base housing 110 and the central filter element 130 are partially or entirely embedded in a cabinet, are not excluded, and the shape of the base housing 110 may be adaptively changed according to the use scenario, which is within the scope of the present utility model.

Illustratively, the base housing 110 may include a first housing and a second housing, which may be snapped together to form an installation space. The booster pump 160 and the central filter base 131 may be disposed in the installation space and fixed to the first housing. The second housing may be provided with an opening through which the central cartridge 130 may extend out of the base housing 110. In the resting orientation shown in fig. 1, the first housing may be positioned in a lower portion and the second housing may be positioned in an upper portion.

After the first shell and the second shell are buckled, a fully-closed base shell 110 can be formed, dirt and water can be prevented from entering the base shell 110, short circuits are prevented, and the service lives of the booster pump 160 and other components are prolonged. Alternatively, a sealing member may be disposed at the opening of the second housing, and after the central cartridge 130 is inserted into the opening of the second housing, the sealing member may close the gap between the opening and the central cartridge 130, isolating the inside and outside environments of the base housing 110. The split shell has simple structure and lower production and assembly cost. Preferably, the first shell and the second shell are detachably buckled, and when the water purifier fails, the water purifier is convenient to maintain.

Illustratively, the central cartridge 130 may include one or more of a reverse osmosis cartridge, a nanofiltration cartridge, a composite cartridge composited with a reverse osmosis cartridge, and a composite cartridge composited with a nanofiltration cartridge. The aperture of the reverse osmosis filter element is one fifth (0.1 nanometer) of the hair, and the reverse osmosis filter element has the strongest separating capacity at present. The nanofiltration filter core comprises a nanofiltration membrane, wherein the nanofiltration membrane is a charged membrane and can perform electric adsorption. The water is produced under the same water quality and environment, and the pressure required by the nanofiltration membrane is smaller than the pressure required by the reverse osmosis membrane. The separation performance of the nanofiltration membrane is obviously superior to that of filter elements such as ultrafiltration and microfiltration, and compared with a reverse osmosis filter element, the nanofiltration membrane has the advantages of partial removal of monovalent ions, low process osmotic pressure, low operation pressure, energy saving and the like, but the separation capacity is slightly inferior to that of the reverse osmosis filter element.

Therefore, by adopting the central filter element 130, only water molecules and part of mineral ions beneficial to human bodies can pass through, other impurities and heavy metals are discharged from the waste water pipe, and high-quality purified water is provided for users.

Illustratively, the central cartridge 130 has a waste gate with only the waste ratio valve 190 connected between the waste gate and the drain 102. The reverse osmosis filter element or the nanofiltration filter element can generate a certain proportion of wastewater in the filtration process, and the generated wastewater can be discharged from a wastewater outlet. For reverse osmosis and nanofiltration cartridges, the water needs to be pressurized by a booster pump 160 before entering the cartridge, and a waste water ratio valve 190 may be provided to ensure that the pressurized water pressure acts on the central cartridge 130 to provide the central cartridge 130 with the pressure required for operation. The waste ratio valve 190 may include a restricted orifice that can only pass a specified unit of water flow per unit of time at a nominal pressure. For example, at a pre-membrane pressure of 0.6MPa, the water passing through the joint is not greater than 150ml/min. The water flow rate per unit time of the corresponding waste water ratio valve 190 is also adjusted according to the selected central filter element 130. Thus, the wastewater concentrated through the central cartridge 130 is discharged through the wastewater ratio valve 190, and the raw water concentration is prevented from continuously rising, thereby improving the water production efficiency. The waste water is also less costly than the valve 190 than a waste water solenoid valve or the like.

Fig. 3 is a water path diagram of the water purifier shown in fig. 2, for example. The raw water port of the central cartridge 130 may be connected to the water outlet of the booster pump 160 through a first water pipe 210, and the first water pipe 210 may be accommodated in the base housing 110. The first water pipe 210 may be a food grade silicone tube, a PE tube, or the like, preferably a hose. Typically, the connection between the booster pump 160 and the central cartridge 130 is a standard piece, for example, a 2-point quick connect connection may be used for the central cartridge 130. At this time, the standard water pipe is adopted, and an adapter or a water pipe is not required to be designed independently, so that the cost can be reduced, and the maintenance is convenient. In the embodiment where the user connects the water pipe by himself, the standard water pipe can be simply connected with the quick connector for easy operation. The hose can be bent, so that the hose can be more reasonably distributed under the condition of ensuring the connection of all the components, and the volume of the water purifier is reduced. The first water pipe 210 is disposed in the base housing 110, so that damage to the pipe can be prevented, and the appearance is more attractive. The reason why the second, third and fourth water pipes 220, 230 and 240 are disposed in the base case 110 is the same, and will not be described again hereinafter.

Of course, the present application does not exclude embodiments in which the water outlet of the booster pump 160 and the raw water inlet of the central cartridge 130 are directly plugged or welded.

Illustratively, the waste water port of the central cartridge 130 may be connected to the drain 102 by a second water tube 220, and the second water tube 220 may be housed within the base housing 110. The second water pipe 220 is not limited to food grade materials, since it does not transmit purified water and does not cause secondary pollution. Of course, the waste water can be used for daily cleaning, so that non-toxic and harmless materials should be selected. The second water pipe 220 may be provided with a waste water ratio valve 190 or a waste water solenoid valve, and the water outlet of the waste water ratio valve 190 or the waste water solenoid valve may be continuously connected to the drain end 102 through the second water pipe 220, or may directly extend out of the base housing 110 to serve as the drain end 102. The water pipe is low in cost and simple in design.

Illustratively, the water inlet of the booster pump 160 may be connected to the water inlet end 101 through a third water pipe 230, and the third water pipe 230 may be accommodated within the base case 110. Raw water from the water inlet end 101 may enter the booster pump 160 through the third water pipe 230. Preferably, the third water pipe 230 is also made of food grade material, so as to avoid polluting raw water and further affecting the output purified water. Of course, the present application does not exclude embodiments in which the inlet of the booster pump 160 or the inlet of a component of the water path upstream thereof extends out of the base housing 110 as the inlet end 101.

Illustratively, the clean water port of the central cartridge 130 is connected to the clean water end 103 by a fourth water tube 240, the fourth water tube 240 being housed within the base housing 110. The fourth water pipe 240 can guide out purified water for the user to use, and the material of the fourth water pipe should not cause secondary pollution. In the embodiment shown in fig. 1, the fourth water pipe 240 may also be disposed outside the base housing 110, directly connected to the central cartridge 130. The fourth water pipe 240 is preferably a flexible pipe, which can change the direction of water flow, so as to be convenient for the user to take.

Illustratively, the central filter holder 131 may be provided with a central filter holder water inlet communicating with the raw water port of the central filter cartridge 130 and a central filter holder water outlet communicating with the waste water port of the central filter cartridge 130. The central filter base water inlet may be connected to the water outlet of the booster pump 160 through a first water pipe 210, and the central filter base 131 water outlet may be connected to the drain 102 through a second water pipe 220. The first water pipe 210 and the second water pipe 220 may be disposed within the base housing 110.

The central filter base 131 and the central filter element 130 may be connected in a waterway after assembly, i.e. the central filter base 131 may be provided with a port for one or more of a raw water port and a waste water port of the central filter element 130. When the central filter cartridge 130 is connected to the central filter cartridge 131, the central filter cartridge water inlet is connected to the raw water port of the central filter cartridge 130, and the central filter cartridge water outlet is connected to the waste water port of the central filter cartridge 130. Thus, the water outlet and the water discharge end 102 of the booster pump 160 may be connected to the raw water port and the waste water port of the central filter cartridge 130 through the waterway inside the central filter cartridge 131 and the central filter cartridge water inlet, respectively.

In the technical scheme, all parts are connected through the water pipe, and compared with the waterway plate, the water-saving type hydraulic pipeline has lower cost. The central filter base 131 and the central filter element 130 are connected in a waterway mode after being assembled, the possibility that a user connects a wrong pipeline is avoided, the possible water leakage risk is reduced, the filter element is more convenient to replace, and the user experience is optimized.

Illustratively, the clean water outlet of the central cartridge 130 is located outside of the base housing 110. Referring back to fig. 1, the central cartridge 130 may be the end of the raw water port and the waste water port that are connected to the central filter base 131. The water purifying port is located at the other end of the central cartridge 130 alone or in the middle of the central cartridge 130. Thus, the water purifying port is provided outside the base housing 110, and purified water can be directly supplied to the user without a complicated structure. The user is more convenient when connecting the pipeline, is difficult for makeing mistakes. The raw water gap and the waste water gap can be connected to the central filter base 131, and compared with the embodiment that the clean water gap is also connected to the central filter base 131, the structure of the central filter base 131 can be greatly simplified, so that the cost is reduced, and the reliability is improved.

For example, the central cartridge 130 may be screwed and/or spin-fastened to the central cartridge 131 about a predetermined axis, the central cartridge water inlet and the central cartridge water outlet may be disposed concentric with the predetermined axis, and the raw water port and the waste water port of the central cartridge 130 may be disposed concentric with the predetermined axis. Compared with other connection modes, the screw thread and the screw clamp are simpler and more convenient, and the reliability is relatively higher. The central filter seat water inlet and the central filter seat water outlet are concentrically arranged with the preset axis, and can comprise a structure that the central filter seat water inlet is arranged on the inner ring and the central filter seat water outlet is arranged on the outer ring, which are not communicated with each other, and can freely rotate around the preset axis at the center of the two. Of course, the water inlet of the central filter seat can also be arranged on the outer ring, and the water outlet of the central filter seat can also be arranged on the inner ring. The concentric arrangement can closely arrange the water inlet of the central filter seat and the water outlet of the central filter seat together, thereby effectively saving the space occupation of the joint. And the concentrically arranged interfaces reduce water leakage points, so that the device is more reliable.

Illustratively, the water purifier may further include a water outlet nozzle 104 coupled to the water purifying end 103. The water spout 104 may be disposed on the central cartridge 130. The spout 104 may include a hose, a spray head, or the like. Preferably, the water outlet nozzle 104 is a tubular structure capable of being bent and rotated, and the position and orientation of the water outlet can be automatically adjusted by a user according to the needs, so that various daily demands of the user are met. Of course, the spout 104 may also include a faucet without a valve structure.

The water outlet nozzle 104 is arranged on the central filter element 130, so that a pipeline from the purified water prepared by the central filter element 130 to the purified water end 103 can be shortened, accumulated water can be reduced, and secondary pollution of the pipeline to the purified water can be reduced. In addition, compared with a tap with a valve, the water outlet nozzle 104 has simple structure and lower cost. Because no valve is arranged, pressure is not required to be born, the reliability is higher, and the valve is not easy to damage.

Illustratively, the spout 104 is removably connected to the central cartridge 130. It will be appreciated that the performance of the central cartridge 130 is inversely related to the time of use. Therefore, as the service life increases, the central cartridge 130 needs to be replaced as its performance decreases. If the water outlet nozzle 104 is fixed on the central filter element 130, the water outlet nozzle 104 which is not a consumable product needs to be discarded together when the filter element is replaced, and the use cost is increased. Therefore, the water outlet nozzle 104 can adopt a detachable structure, the water outlet nozzle 104 is not required to be discarded when the filter element is replaced, and the waste of resources is reduced. The water outlet nozzle 104 can be connected to the central filter element 130 by means of threads, screw clamps and the like, so that the disassembly is simple, and the tightness is good.

For example, the central filter cartridge 130 may include a filter cartridge and a filter media, and the filter cartridge may include a first portion and a second portion that enclose a filter space. The first portion and the second portion are detachably connected, and the filter material is detachably disposed in the filter space. The water spout 104 may be provided on the second portion. For example, the first and second portions of the filter cartridge may be configured as two cylindrical barrels that may be engaged by threads or a spin-on clip. The first and second portions may also be configured as a barrel and a cap, respectively.

Similar to the spout 104, the cartridge of the central cartridge 130 has a longer life than the filter media, and thus does not require frequent replacement. When the performance of the central filter element 130 is reduced, only the filter material can be replaced, thereby saving the use cost.

Of course, the utility model does not exclude embodiments in which the cartridge is of other shapes and the first and second portions are connected in other ways.

Illustratively, the water purifier may include a water flow detection device 150 and a mechanical switch 140, and the water flow detection device 150 and the mechanical switch 140 may be connected in series between the water inlet of the booster pump 160 and the water inlet 101. At least an operating portion of the mechanical switch 140 may protrude out of the base housing 110. The water flow detection device 150 is used for detecting water flow information in the pipeline to control the operation of the booster pump 160. The mechanical switch 140 may include a valve or other suitable device. The mechanical switch 140 can control the on-off of the water flow. In some embodiments, the mechanical switch 140 may also control the amount of water flow. The water flow detecting means 150 may detect the condition of water in the water pipe to reflect the on/off of the mechanical tap 140. For example, the water flow detection device 150 may include one or more of an infrared detection device, an ultrasonic device, or a pressure sensor. The water flow detection device 150 may detect one or more of water flow, water and water pressure within the water pipe. When the mechanical switch 140 is turned on, the water flow detecting device 150 detects a change in water flow in the water pipe and outputs corresponding water flow information. The booster pump 160 may be started according to the water flow information, boost the pressure of the water in the water pipe, filter the pressurized water through the central filter element 130, and output the obtained purified water to the purified water end 103. Conversely, when the mechanical faucet 140 is closed, the water flow detection device 150 detects a change in the water flow in the water pipe and outputs corresponding water flow information. The booster pump 160 is stopped according to the water flow information, and the water purifier stops outputting purified water. For convenience of user operation, at least an operation portion of the mechanical switch 140 protrudes out of the base housing 110.

The mechanical switch 140 is disposed upstream of the water path of the water purifier, and can cut off the water path when the user does not take water, thereby reducing the risk of water leakage. The mechanical switch 140 is arranged on the upstream of the water path, and devices such as a water inlet electromagnetic valve, a high-voltage switch, a check valve, a faucet and the like are not required to be arranged, so that the same effect can be achieved, the cost is reduced, and the cost performance is high. In addition, the water path at the rear stage of the booster pump 160 does not need to bear high pressure, and the reliability is higher. The water flow detection device 150 can directly control the start and stop of the booster pump 160 according to the water flow condition in the pipeline, and can not start the booster pump 160 under the conditions of no need of water taking, water stopping, and the like, so that the resource waste and idle running loss are reduced.

Illustratively, the water purifier may further include a controller 170. A controller 170 may be electrically connected to the water flow detection device 150 and the booster pump 160 for controlling the operation of the booster pump 160 according to the water flow information. The water flow information may include one or more of information such as flow, pressure, etc. The controller 170 may determine whether the current water flow information satisfies a condition of turning on or off the booster pump 160 according to a preset threshold value, and further control the booster pump 160 to be started or stopped. The controller 170 may be implemented by using electronic components such as a timer, a comparator, a register, and a digital logic circuit, or using a processor chip such as a single chip, a microprocessor, a Programmable Logic Controller (PLC), a Digital Signal Processor (DSP), a Field Programmable Gate Array (FPGA), a Programmable Logic Array (PLA), an Application Specific Integrated Circuit (ASIC), and peripheral circuits thereof.

In the above-described embodiments, the controller 170 may be configured to set a suitable threshold value to control the operation of the booster pump 160. Therefore, the influence of interference in the waterway on the normal operation of the water purifier can be avoided. The water flow detection device 150 can be reasonably selected, the controller 170 processes the water flow information and then controls the booster pump 160 to work, and signals such as analog signals, digital signals, bus signals and the like generated by the water flow detection device 150 can be received and processed, so that the compatibility is better.

Illustratively, the water flow detection device 150 may include a low voltage switch and the mechanical switch 140 may be located upstream of the low voltage switch. Municipal tap water pressure is generally 0.1-0.4Mpa, the low-voltage switch threshold value can be 0.08Mpa, and when the water pressure is more than 0.08Mpa, the power is on, otherwise, the power is off. The booster pump 160 of the water purifier may be powered by the power adapter 180, and the power adapter 180 may provide appropriate voltages and currents for other components in the water purifier. When the user opens the mechanical switch 140, the low voltage switch is acted upon by the pressure of municipal tap water, completing the circuit. The low-voltage switch can connect the power adapter 180 and the booster pump 160, and when the circuit is on, the power adapter 180 supplies power to the booster pump 160 through the low-voltage switch, and the booster pump 160 works to start water production. When the user turns off the mechanical switch 140, the booster pump 160 continues to operate, water in the upstream pipeline is pumped away, the pressure is rapidly reduced and is lower than the action threshold value of the low-voltage switch, the circuit is disconnected, and the booster pump 160 is powered off to stop operating. Of course, the low-voltage switch may be connected to the controller 170, and when the low-voltage switch is operated, the controller 170 receives a signal to supply power to the booster pump 160 by controlling the power adapter 180, so that the booster pump 160 operates. Otherwise, the controller 170 stops supplying power to the booster pump 160 by controlling the power adapter 180.

The low-voltage switch can detect the water pressure condition in the waterway with low cost, has high reliability, and in the scheme matched with the controller 170, the control logic of the controller 170 is simple, the cost is further reduced, and the error is not easy to occur.

Illustratively, the water flow detection apparatus 150 may include a flow meter, which may be connected in series between the water inlet of the booster pump 160 and the water inlet end 101. The flow meter may be used to detect flow information of the water flow in the pipeline and the controller 170 is used to control the booster pump 160 to be activated when the flow information indicates that the flow of the water flow is greater than a preset threshold. The flow meter may comprise one or more of a differential pressure flow meter, a positive displacement flow meter, an ultrasonic flow meter. The flow meter may generate flow information, which may be analog signals or digital signals, etc. As described above, the controller 170 may preset a threshold value, compare it with the preset threshold value when receiving flow information from the flow meter output, and control the booster pump 160 to be activated when the flow information indicates that the flow rate of the water flow is greater than the preset threshold value.

On the other hand, a preset lower threshold may be set, and the controller 170 controls the booster pump 160 to stop operating when the flow information indicates that the flow rate of the water flow is less than the preset lower threshold. In this way, the user may be prompted to check the mechanical switch 140 by operation of the booster pump 160 in the event that the mechanical switch 140 is not fully closed or the mechanical switch 140 leaks water.

The flowmeter is usually calibrated, so that the reliability is high, and the flowmeter is not easy to interfere. The flowmeter can detect water flow more accurately, and to the purifier of different flux, only need adjust preset threshold value in the controller 170 and can match, same purifier also can adjust after changing different filter cores, need not to change hardware structure, and the flexibility is good.

Illustratively, the water purifier may further include a pre-filter 120, and the pre-filter 120 may be disposed in series upstream of the central filter 130. The pre-filter 120 may include one or more of an activated carbon filter, a PP cotton filter, a combination thereof, and the like. The pre-filter 120 is located before the central filter 130, and can perform primary filtration on water entering the central filter 130 to filter out impurities with larger particles such as sediment, rust, etc., so as to prolong the service life of the central filter 130.

For example, the mechanical switch 140 may be disposed downstream of the pre-cartridge 120. As described above, raw water that is not filtered by the pre-filter 120 may be carried with large particle impurities such as silt and rust. The mechanical switch 140 may be worn by large particle impurities during operation, and the sealability is deteriorated and the service life is shortened. Therefore, the mechanical switch 140 is arranged at the downstream of the pre-filter element 120, so that the service life of the mechanical switch 140 can be effectively prolonged.

Illustratively, the water purifier may further include a pre-filter holder 121. The prefilter holder 121 may be fixed within the base housing 110. One end of the pre-filter cartridge 120 may be connected to the pre-filter base 121, and the other end of the pre-filter cartridge 120 may protrude out of the base housing 110. Similar to the central cartridge 130, the pre-cartridge 120 may be placed separately from the purifier body prior to shipping, reducing space occupation, and avoiding shock or impact during shipping from affecting performance. The performance of the pre-cartridge 120 also decreases with time and therefore requires periodic replacement. Preferably, the pre-filter cartridge 120 may be detachably connected to the pre-filter base 121. The pre-filter holder 121 may be used only to secure the pre-filter cartridge 120. The pre-filter holder 121 may also include a waterway, and after the pre-filter cartridge 120 is mounted to the pre-filter holder 121, a water inlet of the pre-filter cartridge 120 may be connected to the water inlet 101 through the pre-filter holder 121, and a water outlet of the pre-filter cartridge 120 may be connected to a water inlet of the booster pump 160 through the pre-filter holder 121. The water inlet and the water outlet of the pre-filter 120 may be concentric, so that the pre-filter 120 is assembled to the pre-filter seat 121 through a screw thread or a screw clip structure, and is communicated with the waterway through the pre-filter seat 121.

In the above technical solution, the pre-filter element 120 can be mounted to the pre-filter seat 121 without disassembling the base housing 110, which is convenient for the user to assemble. The user does not need to carry out complicated pipeline connection, and the user experience is good through simple grafting or spin card equipment.

Illustratively, the water purifier may further include a power adapter 180, and the power adapter 180 may be electrically connected to the controller 170 and the booster pump 160. The power adapter 180 may be disposed in the base housing 110. The power adapter 180 may be connected to an ac power supply, and may include a battery or the like. The power adapter 180 may provide the appropriate voltage and current to the controller 170 and booster pump 160. The power adapter 180 may also be controlled by the controller 170, and upon receipt of a control signal, may provide voltage and current to the booster pump 160 to pressurize the water flowing therethrough to meet the operating conditions of the central cartridge 130. The base housing 110 may provide protection for the power adapter 180 from water droplets, dirt, etc., affecting the safety and life of the power adapter 180.

For example, the controller 170 may be disposed in the base case 110. The base housing 110 may provide protection for the controller 170 from water droplets, dirt, etc. that may affect the safety and life of the controller 170.

Illustratively, the water inlet end 101 and the water outlet end 102 may be provided on the base housing 110. Compared with the water inlet end 101 and the water outlet end 102 arranged in the base shell 110, the water inlet end and the water outlet end are arranged on the base shell 110, and a user can connect the water inlet pipe and the water outlet pipe without disassembling the base shell 110, so that the operation is simple and convenient. And if water leakage occurs at the joint, the water cannot accumulate in the base shell 110 to cause short circuit and other conditions, so that the safety is higher.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front", "rear", "upper", "lower", "left", "right", "transverse", "vertical", "horizontal", and "top", "bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely for convenience of describing the present utility model and simplifying the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, without limiting the scope of protection of the present utility model; the orientation terms "inner" and "outer" refer to the inner and outer relative to the outline of the components themselves.

For ease of description, regional relative terms, such as "over … …," "over … …," "on the upper surface of … …," "over," and the like, may be used herein to describe regional positional relationships of one or more components or features to other components or features shown in the figures. It will be understood that the relative terms of regions include not only the orientation of the components illustrated in the figures, but also different orientations in use or operation. For example, if the element in the figures is turned over entirely, elements "over" or "on" other elements or features would then be included in cases where the element is "under" or "beneath" the other elements or features. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". Moreover, these components or features may also be positioned at other different angles (e.g., rotated 90 degrees or other angles), and all such cases are intended to be encompassed herein.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, components, assemblies, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The present utility model has been illustrated by the above-described embodiments, but it should be understood that the above-described embodiments are for purposes of illustration and description only and are not intended to limit the utility model to the embodiments described. In addition, it will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that many variations and modifications are possible in light of the teachings of the utility model, which variations and modifications are within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (15)

1. A water purifier having a water inlet end, a water purifying end, and a water outlet end, the water purifier comprising:

The water inlet of the booster pump is connected with the water inlet end, the water outlet of the booster pump is connected with the raw water port of the central filter element, the water purifying port of the central filter element is connected with the water purifying end, and the waste water port of the central filter element is connected with the water draining end; and

The filter comprises a base shell, wherein a central filter seat is arranged in the base shell, one end of a central filter element is mounted to the central filter seat, the other end of the central filter element extends out of the base shell, and a booster pump is fixed in the base shell.

2. The water purifier of claim 1, wherein the base housing comprises a first housing and a second housing, the first housing and the second housing are snapped together to form an installation space, the booster pump and the central filter base are disposed in the installation space and secured to the first housing, an opening is provided in the second housing, and the central filter element extends out of the base housing through the opening.

3. The water purifier of claim 1, wherein the central filter base is provided with a central filter base water inlet communicated with a raw water port of the central filter element and a central filter base water outlet communicated with a waste water port of the central filter element,

The water inlet of the central filter seat is connected to the water outlet of the booster pump through a first water pipe, the water outlet of the central filter seat is connected to the water draining end through a second water pipe, and the first water pipe and the second water pipe are arranged in the base shell.

4. A water purifier as recited in claim 3, wherein the central filter element is threadably and/or rotatably secured to the central filter base about a predetermined axis,

The water inlet of the central filter seat and the water outlet of the central filter seat are arranged concentrically with the preset axis, and the raw water port and the waste water port of the central filter core are arranged concentrically with the preset axis.

5. The water purifier of claim 1, wherein the water purification port of the central filter element is located outside the base housing.

6. The water purifier of claim 5, further comprising a water spout forming the water purifying end, the water spout being disposed on the central filter element.

7. The water purifier of claim 6, wherein the water purifier comprises a water inlet and a water outlet,

The spout is removably connected to the central cartridge; and/or

The central filter element comprises a filter cartridge and a filter material, the filter cartridge comprises a first part and a second part which surround to form a filter space, the first part and the second part are detachably connected, the filter material is detachably arranged in the filter space, the first part is mounted to the central filter seat, the second part is positioned outside the base shell, and the water outlet nozzle is arranged on the second part.

8. The water purifier of claim 1, wherein the water purifier comprises a water inlet and a water outlet,

The raw water port of the central filter element is connected to the water outlet of the booster pump through a first water pipe, and the first water pipe is accommodated in the base shell; and/or

The waste water port of the central filter element is connected to the water discharge end through a second water pipe, and the second water pipe is accommodated in the base shell; and/or

The water inlet of the booster pump is connected to the water inlet end through a third water pipe, and the third water pipe is accommodated in the base shell; and/or

The water purifying port of the central filter element is connected to the water purifying end through a fourth water pipe, and the fourth water pipe is accommodated in the base shell.

9. The water purifier of claim 1, wherein the water purifier comprises a water flow detection device and a mechanical switch, the water flow detection device and the mechanical switch are connected in series between a water inlet of the booster pump and the water inlet end, at least an operation part of the mechanical switch extends out of the base shell, and the water flow detection device is used for detecting water flow information in a pipeline to control the operation of the booster pump.

10. The water purifier of claim 9, further comprising a controller electrically connected to the water flow detection device and the booster pump, the controller configured to control operation of the booster pump based on the water flow information.

11. A water purifier according to claim 9 or claim 10, wherein the water flow detection means comprises a low pressure switch, the mechanical switch being located upstream of the low pressure switch.

12. The water purifier of claim 9, wherein the water purifier comprises a water inlet and a water outlet,

The water flow detection device comprises a flowmeter, and the flowmeter is connected in series between the water inlet of the booster pump and the water inlet end; and/or

The water purifier further comprises a preposed filter element, the preposed filter element is connected in series between the water inlet of the booster pump and the water inlet end, and the mechanical switch is arranged at the downstream of the preposed filter element.

13. The water purifier of claim 1, further comprising a pre-filter element disposed in series upstream of the central filter element.

14. The water purifier of claim 13, further comprising a pre-filter base secured within the base housing;

One end of the pre-filter element is connected to the pre-filter seat, and the other end of the pre-filter element extends out of the base shell.

15. The water purifier of claim 1, wherein the water purifier comprises a water inlet and a water outlet,

The central filter element comprises one or more of a reverse osmosis filter element, a nanofiltration filter element, a composite filter element compounded with the reverse osmosis filter element and a composite filter element compounded with the nanofiltration filter element; and/or

The central filter element is provided with a waste water port, and only a waste water ratio valve is connected between the waste water port and the water discharge end; and/or

The controller is arranged in the base shell; and/or

The power adapter is electrically connected with the controller and the booster pump and is arranged in the base shell; and/or

The water inlet end and the water outlet end are arranged on the base shell.