CN212309003U

CN212309003U - Filter, water route control system and water heater

Info

Publication number: CN212309003U
Application number: CN202020383869.XU
Authority: CN
Inventors: 赵仁壮
Original assignee: Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Current assignee: Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Priority date: 2020-03-21
Filing date: 2020-03-21
Publication date: 2021-01-08
Anticipated expiration: 2030-03-21

Abstract

The utility model discloses a filter, water control system and water heater, wherein, the filter includes: the water purifier comprises a shell, a water inlet pipe, a water outlet pipe and a water inlet pipe, wherein a cavity is formed in the shell; the filter assembly is arranged in the cavity and used for filtering raw water input from the raw water pipe to generate purified water, and the purified water is output by the purified water pipe; the sensor assembly comprises a flow measuring element arranged in the raw water pipe and/or the water purifying pipe; and/or a temperature measuring element arranged in the raw water pipe and/or the water purifying pipe. The utility model discloses an adopt the sensor module who sets up on former water pipe and/or water purification pipe, realize detecting the rivers of the former water pipe of filter and/or water purification pipe because sensor module is installed in former water pipe and/or water purification pipe, and the user need not assemble sensor module alone, simplifies user's installation procedure and cost.

Description

Filter, water route control system and water heater

Technical Field

The utility model relates to a domestic appliance field, in particular to filter, water route control system and water heater.

Background

In order to detect the use state of the water heater, a flow or temperature sensor is required to be installed in the water heater to detect the state of the water heater, so as to realize the safe operation of the water heater. In the existing household water heater, the flow and temperature detection sensors are usually arranged in the water heater independently, so that the space of an inner container of the water heater is occupied, and the capacity of the water heater is reduced; when a user configures the flow sensor outside the water heater, the flow sensor occupies the external space of the water heater, and the installation process is complex, so that the assembly process is complicated, and the user experience is influenced greatly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a filter, water route control system and water heater, aim at improving the problem that the installation procedure that current filter installation sensor subassembly alone caused is complicated, occupation space.

To achieve the above object, the present invention provides a filter, including:

the water purifier comprises a shell, a water inlet pipe, a water outlet pipe and a water inlet pipe, wherein a cavity is formed in the shell;

the filter assembly is arranged in the cavity and used for filtering raw water input from the raw water pipe to generate purified water, and the purified water is output by the purified water pipe;

the sensor assembly comprises a flow measuring element arranged in the raw water pipe and/or the water purifying pipe;

and/or a temperature measuring element arranged in the raw water pipe and/or the water purifying pipe.

Optionally, when the sensor assembly includes a flow measuring element, the flow measuring element is a magnetic rotor for generating a magnetic field signal that varies correspondingly with a change in the magnitude of the flow of the water flow.

Optionally, the magnetic rotor comprises;

the outer framework is arranged in the raw water pipe and/or the water purifying pipe;

the impeller is rotatably arranged in the outer framework and is used for rotating under the driving of water flow so as to generate a magnetic field signal which correspondingly changes along with the change of the flow of the water flow.

Optionally, the flow measurement element further comprises:

and the Hall element is arranged on the shell, corresponds to the magnetic rotor and is used for receiving the magnetic field signal of the magnetic rotor.

Optionally, the hall element is detachably mounted on the housing.

Optionally, the filter assembly is a hollow structure, so that a first chamber is formed inside the filter assembly;

a second chamber is formed between the outer wall of the filter assembly and the inner wall of the cavity;

the raw water pipe is communicated with the second chamber, the water purification pipe is communicated with the first chamber, and raw water in the second chamber enters the first chamber after being filtered by the filter assembly; alternatively, the first and second electrodes may be,

the raw water pipe is communicated with the first cavity, the water purification pipe is communicated with the second cavity, and raw water in the first cavity enters the second cavity after being filtered by the filtering component.

Optionally, the filter assembly comprises:

the filter element framework is arranged in the cavity, the filter element framework is fixedly connected with the inner wall of the shell, and the filter element framework is a hollow framework structure;

and the filter medium is sleeved on the inner surface and/or the outer surface of the filter element framework and is used for filtering the raw water and forming the purified water.

Optionally, the housing comprises:

a housing having the cavity formed therein, the housing having an opening at one end;

the cover plate is arranged on the opening side of the shell to enable the cavity to be sealed, the raw water pipe and the water purifying pipe are arranged on the cover plate, one end of the filter element framework is connected with the cover plate, and the other end of the filter element framework is in butt joint with one end, far away from the cover plate, of the shell.

Optionally, a filter screen cover is arranged in the shell, the filter screen cover is arranged between the filter element framework and the cover plate, and one end of the filter element framework is connected and fixed with the filter screen cover;

the filter screen cover is provided with filter holes for communicating the first cavity, a filter grid is arranged outside the filter screen cover and extends into the second cavity and is abutted against the inner wall of the shell, and a water flow channel for communicating the second cavity is formed between the adjacent grids.

Optionally, a magnetising element is provided within the first chamber and/or the second chamber.

The utility model discloses on the basis of above-mentioned filter, provide a water route control system, including treater, water route breaking executor and foretell filter, the treater respectively with water route breaking executor and filter electric connection.

The utility model discloses on the basis of above-mentioned filter, provide a water heater, including the aforesaid filter or aforesaid water route control system.

The technical scheme of the utility model realizes the water flow detection of the raw water pipe and/or the purified water pipe of the filter by adopting the sensor component arranged on the raw water pipe and/or the purified water pipe, and the user does not need to assemble the sensor component independently because the sensor component is arranged in the raw water pipe and/or the purified water pipe, thereby simplifying the installation procedure and the cost of the user; the filter is used for the waterway control system, so that the assembly cost of the waterway control system can be reduced, and the assembly process is simplified; when the filter is used for the water heater, the water outlet of the water heater can be filtered, the sensor assembly does not occupy the space of the inner container of the water heater, the capacity of the water heater is not affected, and the space utilization rate of the inner container of the water heater is improved.

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 view of an embodiment of the filter of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is an exploded view of FIG. 1;

fig. 4 is a schematic view of an internal structure of a filter according to an embodiment of the present invention;

FIG. 5 is a schematic view of an embodiment of the internal structure of the water heater of the present invention;

FIG. 6 is a schematic view of the filter of the present invention installed on a water heater;

FIG. 7 is a schematic view of an embodiment of the filter and the thermostatic valve according to the present invention;

fig. 8 is a schematic view illustrating an embodiment of the present invention in a state where the filter and the mixing valve are engaged with each other.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Outer casing	11	Raw water pipe
12	Water purifying pipe	13	Cover plate
				14	Filter screen cover	15	Filter hole
16	Grid	17	Water flow channel
				20	Filter assembly	21	Filter element framework
22	Filter medium	23	The first chamber
				24	Second chamber	30	Magnetized element
40	Flow measuring element	41	Outer skeleton
				42	Impeller	43	Hall element
50	Temperature measuring element	60	Water heater main body
				61	Water inlet pipe	62	Water outlet pipe
63	Inner container	64	Outer cover
				65	Adapter	651	Input port
652	Output port	66	Thermostatic valve
				67	Water mixing valve

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, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications 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 indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating 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 addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1, 2 and 3, the present invention provides a filter, including: the water purifier comprises a shell 10, a water purifying pipe 12 and a water purifying pipe 11, wherein a cavity is formed in the shell 10, and the shell 10 is provided with the raw water pipe 11 and the water purifying pipe 12 which are communicated with the cavity; a filter assembly 20 installed in the cavity, wherein the filter assembly 20 is used for filtering raw water input from the raw water pipe 11 to generate purified water, and the purified water is output from the purified water pipe 12; a sensor module including a flow measuring element 40 installed in the raw water pipe 11 and/or the purified water pipe 12; raw water enters the cavity through the raw water pipe 11, when the raw water flows through the filter assembly 20, the filter assembly 20 filters the raw water to generate purified water, and the purified water is output to the outside of the filter through the purified water pipe 12.

Flow measuring element 40 is used for carrying out flow measurement to the water that flows through former water pipe 11 and/or water purification pipe 12, flow measuring element 40 can be for carrying out flow measurement to the raw water of former water pipe 11, also can be for carrying out flow measurement to the water purification of water purification pipe 12, also can detect simultaneously the raw water of former water pipe 11 with the water purification of water purification pipe 12.

Since the flow measuring element 40 is installed in the raw water pipe 11 and/or the purified water pipe 12, an integrated design with the filter can be realized, a user does not need to separately purchase the flow measuring element 40 to be assembled with the purchased filter, the flow measuring element 40 only needs to be combined with the raw water pipe 11 and/or the purified water pipe 12 of the filter, and the water using equipment only needs to be matched with the filter, so that the assembling steps of the user can be simplified, the installation efficiency can be improved, and the installation cost can be reduced.

Because the flow measuring element 40 can be directly assembled with the filter as a whole, when the filter is installed on water equipment such as a water heater, the flow measuring element does not need to occupy the internal space of the water equipment, and the space utilization rate of the water equipment can be further improved.

The flow measuring element 40 may be a flow sensor, such as a hall flow meter, or other flow meters, and the assembling manner of the flow measuring element 40 and the raw water pipe 11 and/or the purified water pipe 12 may be determined according to the type of the flow sensor, which is not described again.

In another embodiment of the present invention, different from the previous embodiment, the sensor assembly is a temperature measuring element 50 installed in the raw water pipe 11 and/or the purified water pipe 12, and the temperature measuring element 50 may be a temperature sensor.

In the manufacturing of the filter, the temperature measuring element 50 may be installed on the raw water pipe 11 for detecting the temperature of raw water of the input water using device, or may be installed on the purified water pipe 12 for detecting the temperature of purified water through filtration, or may be simultaneously installed on the raw water pipe 11 and the purified water pipe 12 at the same time with the temperature measuring element 50.

In a further embodiment of the present invention, different from the previous embodiment, the flow measuring element 40 and the temperature measuring element 50 are installed on the raw water pipe 11 and/or the purified water pipe 12.

The filter may be a pre-filter, that is, installed on the water inlet pipe of the water-consuming equipment, and when the flow measuring element 40 detects that the flow exceeds a preset threshold, or the temperature measuring element 50 detects that the temperature exceeds a preset threshold, the raw water pipe 11 or the purified water pipe 12 may be controlled to be closed by an external controller, so that the water inlet pipe of the water-consuming equipment is closed, and the water-consuming equipment is prevented from running beyond a preset condition.

In an embodiment of the present invention, when the sensor assembly includes the flow measuring element 40, the flow measuring element 40 is a magnetic rotor for generating a magnetic field signal corresponding to a change in the flow rate of the water flow. By adopting the magnetic rotor, a magnetic field signal which changes along with the flow can be generated, and the magnetic field signal can be received and read by other elements, so that the flow in the raw water pipe 11 and/or the purified water pipe 12 can be identified and calculated according to the change of the magnetic field, and the water inlet amount and/or the water outlet amount of the filter provided by the embodiment can be obtained.

Because the magnetic field signal can just can accept and send without connecting through the entity electric wire, can avoid trompil or fluting to arrange signal transmission line on this embodiment, the stability and the sealing performance of this embodiment have been guaranteed, in addition, because the operational environment of leading filter generally is the weak magnetic field environment, consequently, through magnetic field signal transmission flow information, high efficiency, can not disturbed simultaneously, the magnetism rotor adopts the permanent magnet in addition, can need to realize the flow measurement to the measuring element power supply, the work energy consumption of this embodiment has been reduced, energy saving.

Optionally in this embodiment, the magnetic rotor comprises; the outer framework 41 is arranged in the raw water pipe 11 and/or the water purifying pipe 12; the impeller 42 is rotatably installed in the outer frame 41, and the impeller 42 is driven by water flow to rotate so as to generate a magnetic field signal which changes correspondingly with the change of the flow rate of the water flow. When the flow rate measuring element 40 is installed in the raw water pipe 11, the outer frame 41 is installed in the raw water pipe 11, and when the flow rate measuring element 40 is installed in the purified water pipe 12, the outer frame 41 is installed in the purified water pipe 12.

The outer wall of the outer frame 41 is connected to the inner wall of the raw water pipe 11 or the purified water pipe 12, the inner part of the outer frame 41 is hollow, and the impeller 42 is rotatably installed in the hollow structure of the outer frame 41.

When water flows through the inner space of the outer frame 41, the water drives the impeller 42 to rotate, and in the rotation process of the impeller 42, a magnetic field signal which changes correspondingly with the change of the flow rate of the water is generated and can be received by an external controller, and the external controller judges whether to close the raw water pipe 11 or the purified water pipe 12 according to the strength of the magnetic field signal.

Further optionally, the flow measuring element 40 further comprises: and the hall element 43 is arranged on the shell 10, and the hall element 43 corresponds to the magnetic rotor and is used for receiving a magnetic field signal of the magnetic rotor. The hall element 43 is matched with the magnetic rotor, when the impeller 42 rotates along with water flow, the hall element 43 receives a magnetic field signal generated by the magnetic rotor, an external controller can be electrically connected with the hall element 43, and when the external controller receives an electrical signal sent by the hall element 43, whether the raw water pipe 11 or the water purification pipe 12 is triggered to be closed or not is judged. When mounting, the hall element 43 may be detachably mounted on the housing 10 to facilitate the mounting of the hall element 43.

Referring to fig. 4, in an embodiment of the present invention, the filter assembly 20 is a hollow structure, such that a first chamber 23 is formed inside the filter assembly 20; a second chamber 24 is formed between the outer wall of the filter assembly 20 and the inner wall of the cavity; the raw water pipe 11 is communicated with the second chamber 24, the purified water pipe 12 is communicated with the first chamber 23, and raw water in the second chamber 24 enters the first chamber 23 after being filtered by the filter assembly 20; because the filter assembly 20 is a hollow structure, the outer diameter of the filter assembly 20 is smaller than the inner diameter of the cavity, when the filter assembly 20 is installed in the cavity, the filter element divides the cavity into an inner cavity and an outer cavity, wherein one cavity is used as the first cavity 23, and the other cavity is used as the second cavity 24.

A gap is formed between the outer wall of the filter element and the inner wall of the cavity, so that the geometric center of the filter assembly 20 and the geometric center of the cavity can be arranged in a coincidence manner, for example, when the housing 10 is of a cylindrical structure, the filter assembly 20 is also of a cylindrical structure, and the axis of the filter assembly 20 and the axis of the housing 10 are arranged in a coincidence manner.

Raw water enters the second chamber 24 through the raw water pipe 11, is filtered to form purified water after passing through the filter assembly 20, enters the first chamber 23, and is output to the outside of the housing 10 through the purified water pipe 12.

In another embodiment of the present invention, different from the previous embodiment, the raw water pipe 11 is connected to the first chamber 23, the purified water pipe 12 is connected to the second chamber 24, the raw water in the first chamber 23 is filtered by the filter assembly 20 and then enters the second chamber 24, at this time, the raw water enters the first chamber 23 through the raw water pipe 11, the purified water generated after the filtration by the filter assembly 20 enters the second chamber 24, and the purified water is discharged to the outside of the housing 10 through the purified water pipe 12.

In order to improve the filtering efficiency, in this embodiment, optionally, a magnetizing element 30 is disposed in the first cavity 23 and/or the second cavity 24, and the magnetizing element 30 is configured to magnetically adsorb impurities in water, such as iron filings, so as to improve the filtering efficiency and reduce the problem of the filtering efficiency of the filtering assembly 20 being reduced due to the impurities adhering to the filtering assembly 20.

When mounting, the magnetizing element 30 may be provided in the first chamber 23, the magnetizing element 30 may be provided in the second chamber 24, or the magnetizing elements 30 may be simultaneously mounted in the first chamber 23 and the second chamber 24.

In one embodiment of the present invention, the filter assembly 20 includes: the filter element framework 21 is arranged in the cavity, the filter element framework 21 is fixedly connected with the inner wall of the shell 10, and the filter element framework 21 is a hollow framework structure; and the filter medium 22 is sleeved on the inner surface and/or the outer surface of the filter element framework 21, and the filter medium 22 is used for filtering the raw water and forming the purified water. The filter medium 22 may be a filter screen or other structure having a filtering function, and is configured to filter the raw water and generate the purified water.

The filter element framework 21 is used for forming a frame structure for supporting the filter medium 22 in the cavity, and the filter assembly 20 is of a hollow structure, the filter element framework 21 can also form a hollow frame structure, when being installed, the filter medium 22 can be sleeved on the outer surface of the filter element framework 21 to form the filter assembly 20 with the outer part being the filter medium 22 and the inner part being the filter element framework 21, and the filter medium 22 can be sleeved on the inner surface of the filter element framework 21 to form the outer framework and the inner part being the filter structure of the filter medium 22, and the inner surface and the outer surface of the filter element framework 21 can be sleeved with the filter medium 22 to form the filter assembly 20 with the inner-outer double-layer filter structure.

When the second chamber 24 is communicated with the raw water pipe 11, the filter medium 22 can be sleeved on the outer surface of the filter element framework 21; when the second chamber 24 is communicated with the purified water pipe 12, the filter medium 22 can be sleeved on the inner surface of the filter element framework 21. When the filter medium 22 is fixed on the inner surface or the outer surface of the filter element framework 21, the water flow direction can not be limited.

In an embodiment of the present invention, the housing 10 includes: a housing having the cavity formed therein, the housing having an opening at one end; the cover plate 13 is arranged on the opening side of the shell to seal the cavity, the raw water pipe 11 and the purified water pipe 12 are arranged on the cover plate 13, one end of the filter element framework 21 is connected with the cover plate 13, and the other end of the filter element framework 21 abuts against one end, far away from the cover plate 13, of the shell. The casing forms the main body shell 10 structure of filter, the casing has the opening for the installation apron 13, when apron 13 is installed when on the opening, the casing is the encapsulated situation, and rivers can only pass through this moment raw water pipe 11 gets into in the cavity, or through clear water pipe 12 by the cavity output.

Through setting up apron 13 can be convenient the equipment of shell 10 is convenient for install and change filter element group spare, and then convenience of customers is right the filter carries out periodic maintenance.

The casing is provided with open-ended one end and is its opening, with the relative one end of opening does the bottom of casing works as filter core skeleton 21 is installed when in the cavity, filter core skeleton 21's one end is passed through apron 13 is connected fixedly, filter core skeleton 21's the other end passes through the bottom of casing is connected fixedly, so that filter core subassembly keeps stable state, and then avoids the rivers in-process filter core subassembly produces the problem that shifts and filter assembly 20 became invalid that causes.

When the magnetizing element 30 is disposed, the magnetizing element 30 may be disposed at the bottom of the housing, the magnetizing element 30 may be disposed in the first chamber 23, and the filter element framework 21 abuts against the bottom of the housing, or the magnetizing element 30 may be sleeved on an end of the filter assembly 20 away from the cover plate 13, so that the magnetizing element 30 is located in the second chamber 24.

In order to facilitate installation of the filter assembly 20, in this embodiment, optionally, a filter screen cover 14 is disposed in the housing, the filter screen cover 14 is disposed between the filter element framework 21 and the cover plate 13, and one end of the filter element framework 21 is connected and fixed with the filter screen cover 14; the filter screen cover 14 is provided with filter holes 15 for communicating with the first chamber 23, the filter screen cover 14 is provided with filter grids 16 on the outside, the filter grids 16 extend into the second chamber 24 and abut against the inner wall of the shell, and a water flow channel 17 for communicating with the second chamber 24 is formed between the adjacent grids 16. The filter screen cover 14 is connected with the cover plate 13, and when the filter element framework 21 is connected with the filter screen cover 14, the filter element framework 21 is fixed on the cover plate 13 through the filter screen cover 14.

Taking the first chamber 23 communicating with the raw water pipe 11 and the second chamber 24 communicating with the purified water pipe 12 as an example, raw water enters the cover plate 13 through the raw water pipe 11 and enters the first chamber 23 through the filtering holes 15; the purified water filtered by the filter medium 22 enters the second chamber 24 and flows to the purified water pipe 12 of the cover plate 13 through the water flow channel 17 and is output.

By arranging the filter screen cover 14, the installation of the filter element framework 21 can be conveniently realized, so that the filter element framework 21 is quickly matched with the cover plate 13; meanwhile, water flow is the same as the filter holes 15 and the water flow channel 17, and can be filtered to further remove impurities in water and improve the filtering efficiency.

The utility model discloses on the basis of above-mentioned filter, provide a waterway control system's embodiment.

The waterway control system comprises a processor, a waterway disconnection actuator and the filter in any embodiment, wherein the processor is electrically connected with the waterway disconnection actuator and the filter respectively. The processor is used for receiving the signal of the sensor assembly and sending a control signal to the water path on-off actuator so as to realize water path control.

The utility model discloses on the basis of above-mentioned filter, provide an embodiment of water heater.

Referring to fig. 5, the water heater includes the filter described in any of the above embodiments, and the filter may be installed on the water inlet pipe of the water heater to form a front filter, or may be installed on the water outlet pipe of the water heater to form a rear filter.

The water heater can also comprise the water path control system, and the water inlet control of the water heater is realized by arranging the water path control system, so that the water quantity in the water heater is prevented from being reduced to cause dry burning when an external water source of the water heater is cut off.

The sensor assembly can be electrically connected with the water heater controller so as to receive the electrical signal of the sensor assembly through the water heater, and further improve the control precision of the water heater.

Referring to fig. 6, the water heater includes: a water heater main body 60 provided with a water inlet pipe 61 and a water outlet pipe 62; the filter is arranged on the water inlet pipe 61; and a housing 64 formed with a receiving chamber having one side opened, in which the filter is mounted, and the open side of the receiving chamber is connected with the water heater main body 60 to close the receiving chamber. The filter is used for filtering the water inputted into the water heater main body 60 through the water inlet pipe 61.

An adapter 65 can be arranged between the water inlet pipe 61 and the filter, the adapter 65 is provided with an input port 651 and an output port 652, and the input port 651 and the output port 652 are not arranged coaxially; the adapter 65 is arranged on the water purifying pipe, and the input port 651 is connected with the water purifying pipe. The adapter 65 is a hollow tubular structure, and the adapter 65 is used for connecting the filter with the water inlet pipe 61.

The input port 651 and the output port 652 are liquid inlets and outlets of the adapter 65, and because the input port 651 and the output port 652 are arranged in a non-coaxial manner, when the water heater is installed, the adapter 65 with different angles can be selected according to the water inlet pipe 61 of the water heater, so that the water inlet angle or the water outlet angle of the filter can be adjusted through the adapter 65, the angle of the filter can be adjusted according to the design of the water inlet pipe 61 of the water heater, and the installation with different angles and different directions can be realized, so that the external pipeline of the water heater main body 60 can be arranged in a concealed manner.

Optionally, in this embodiment, the projection of the axis of the input port 651 of the adapter 65 and the axis of the output port 652 of the adapter in the horizontal plane are perpendicular to each other or intersect with each other to form an included angle, so as to change the water flow direction of the water heater. The axis of the input port 651 and the axis of the output port 652 may be perpendicular to each other, so that the adapter 65 may be bent in a 90 ° water inlet and outlet direction as a whole, or may have other angles.

The water heater main body 60 has a housing, the housing may further include other structures, such as an inner container 63, and a heating element, a thermometer, etc. disposed inside the inner container 63, and a heat insulation layer may be disposed between the housing and the inner container 63. The water inlet pipe 61 is connected with the inner container 63 and used for inputting cold water into the inner container 63, and the water outlet pipe 62 is connected with the inner container 63 and used for outputting heated water to the outside of the water heater main body 60.

The outer cover 64 is provided with a concave part to form the accommodating cavity, and the filter is arranged in the accommodating cavity, so that the outer cover 64 covers the outside of the filter when the filter is arranged on the water inlet pipe 61, and the filter cannot be seen from the appearance of the water heater, and the attractiveness of the whole structure and the use safety of the water heater can be improved. Because the filter is arranged outside the water heater, the filter does not occupy the internal space of the water heater, so that the capacity of the inner container 63 of the water heater can be conveniently enlarged, and the volume of the water heater is improved.

The housing of the filter may partially extend outside the housing 64 so that a user can directly observe the usage status of the filter medium outside the filter, and for convenience of observation, a visible area may be provided on the housing, for example, the housing is made of a transparent material or made of a partially transparent material. When the housing is detachably connected to the cover plate, a user can directly observe the use state of the filter medium from the outside of the outer cover 64, and directly realize the replacement of the filter medium without detaching the water heater main body 60.

Referring to fig. 7, in order to facilitate controlling the outlet water temperature of the water heater, a thermostatic valve 66 may be disposed in the housing 64, and an electronic thermostatic valve 66 may be used to achieve precise control of the outlet water temperature of the water heater. The filter filters the produced purified water, part of which enters the water inlet pipe 61 of the water heater main body 60 and part of which enters the cold water pipeline of the thermostatic valve 66, and the water heater heats the produced hot water which enters the hot water pipeline of the thermostatic valve 66.

When the water heater is provided with the temperature measuring element, the temperature of the cold water of the thermostatic valve 66 can be detected in real time, and meanwhile, the temperature sensor is arranged on the hot water inlet of the thermostatic valve 66, so that the accurate detection of the temperature of the cold water and the temperature of the hot water which are input into the thermostatic valve 66 can be realized, and the accurate control of the outlet water temperature of the thermostatic valve 66 is facilitated.

Referring to fig. 8, in order to facilitate the operation of the user, a water mixing valve 67 may be disposed in the outer cover 64, the filter filters the generated purified water, a part of the purified water enters the water inlet pipe 61 of the water heater, a part of the purified water enters the cold water pipe of the water mixing valve 67, and the water heater main body 60 heats the generated hot water, enters the hot water pipe of the water mixing valve 67, and is mixed and output by the water mixing valve 67 to form warm water.

Claims

1. A filter, comprising:

2. The filter of claim 1, wherein when the sensor assembly includes a flow measurement element, the flow measurement element is a magnetic rotor for generating a magnetic field signal that varies in response to a change in magnitude of the flow of the water stream.

3. The filter of claim 2, wherein the magnetic rotor comprises;

4. The filter of claim 2, wherein the flow measurement element further comprises:

5. The filter of claim 4, wherein the Hall element is removably mounted to the housing.

6. The filter of any of claims 1-5, wherein the filter assembly is hollow such that the interior of the filter assembly forms a first chamber;

7. The filter of claim 6, wherein the filter assembly comprises:

8. The filter of claim 7, wherein the housing comprises:

9. The filter of claim 8, wherein a filter screen cover is arranged in the housing, the filter screen cover is arranged between the filter element framework and the cover plate, and one end of the filter element framework is fixedly connected with the filter screen cover;

10. The filter of claim 6, wherein a magnetized element is disposed within the first chamber and/or the second chamber.

11. A waterway control system comprising a processor, a waterway disconnection actuator, and the filter of any one of claims 1-10, wherein the processor is electrically connected to the waterway disconnection actuator and the filter, respectively.

12. A water heater including a filter as claimed in any one of claims 1 to 10 or a waterway control system as claimed in claim 11.