CN215296330U - Liquid flow detection mechanism and water purifier - Google Patents
Liquid flow detection mechanism and water purifier Download PDFInfo
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- CN215296330U CN215296330U CN202121752841.XU CN202121752841U CN215296330U CN 215296330 U CN215296330 U CN 215296330U CN 202121752841 U CN202121752841 U CN 202121752841U CN 215296330 U CN215296330 U CN 215296330U
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Abstract
The utility model belongs to the technical field of the domestic appliance technique and specifically relates to a liquid flow detection mechanism and purifier are related to. The utility model provides a pair of liquid flow detection mechanism, include: the system comprises a pipeline system, a flow detection device and a flow conduction device; the pipeline system comprises a liquid inlet, a liquid outlet, a first pipeline and a second pipeline which are connected in parallel between the liquid inlet and the liquid outlet; the flow conduction device is arranged on the first pipeline, the flow detection device is arranged on the second pipeline, and the pressure loss of the flow conduction device is smaller than that of the flow detection device; the flow switches on the device and is provided with and switches on hydraulic pressure, and when hydraulic pressure in the first pipeline was greater than and switches on hydraulic pressure, through first pipeline and second pipeline intercommunication between inlet and the liquid outlet, when hydraulic pressure in the first pipeline was less than and switches on hydraulic pressure, through the second pipeline intercommunication between inlet and the liquid outlet, both guaranteed that flow is big the hour flow detection device's pressure loss can neglected, and flow hour flow detection device can detect simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the domestic appliance technique and specifically relates to a liquid flow detection mechanism and purifier are related to.
Background
With the society paying more and more attention to water safety, the water purifier gradually becomes an indispensable household electrical appliance product for families. The water purified by the water purifier is direct drinking water and washing water, and for the washing water, the water flow can be greatly different due to different use scenes and requirements, for example, the water flow can be as high as 7L/min when the water flow is large, and can be as low as 1L/min when the water flow is small (considering that cold water and hot water are mixed for use, the cold water flow can be as low as below 0.5L/min).
Many users demand the water purifier with a prompt function to inform the users that the water quality is the filtered water; therefore, whether a water purifier has filtered clean water to flow out or not needs to be identified, the existing water purifier is provided with a flowmeter on a water outlet pipeline, and whether filtered clean water flows out or not is detected through the flowmeter.
However, there is a pressure loss, also called pressure loss, in the flow meter, which can cause a pressure drop by creating a resistance to the flow of liquid as it flows through the component or conduit. The pressure loss and the detection lower limit of the flowmeter are mutually contradictory, the smaller the pressure loss of the flowmeter is, the larger the detection lower limit flow value of the flowmeter is, and the flowmeter with the lower detection lower limit is often selected for the accuracy of flow detection in the existing water purifier.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liquid flow detection mechanism to solve current detection device's the technical problem that detection lower limit and pressure loss contradict each other.
The utility model provides a pair of liquid flow detection mechanism, include: the system comprises a pipeline system, a flow detection device and a flow conduction device;
the pipeline system comprises a liquid inlet, a liquid outlet, a first pipeline and a second pipeline which are connected in parallel between the liquid inlet and the liquid outlet;
the flow conduction device is arranged on the first pipeline, the flow detection device is arranged on the second pipeline, and the pressure loss of the flow conduction device is smaller than that of the flow detection device;
the flow switches on the device and is provided with and switches on hydraulic pressure, hydraulic pressure in the first pipeline is greater than when switching on hydraulic pressure, the inlet with pass through between the liquid outlet first pipeline with the second pipeline intercommunication, hydraulic pressure in the first pipeline is less than when switching on hydraulic pressure, pass through between the inlet with the liquid outlet the second pipeline intercommunication.
As a further technical scheme, the flow conducting device comprises a one-way valve, an inlet of the one-way valve is communicated with the liquid inlet, and an outlet of the one-way valve is communicated with the liquid outlet.
As a further technical scheme, the flow conducting device comprises a one-way conducting assembly, the one-way conducting assembly comprises a gravity floating block and a shell, a sealed cavity is formed in the shell, a first through hole and a second through hole are formed in the cavity wall of the sealed cavity, the first through hole is located in the bottom wall of the sealed cavity, the first through hole is communicated with the liquid inlet, and the second through hole is communicated with the liquid outlet;
the gravity floating block is arranged in the sealing cavity and is positioned above the first through hole, when the hydraulic pressure of the liquid inlet is greater than the gravity of the gravity floating block, the gravity floating block opens the first through hole, the first through hole is communicated with the second through hole, and when the hydraulic pressure of the liquid inlet is smaller than the gravity of the gravity floating block, the gravity floating block blocks the first through hole.
As a further technical solution, the second through hole is located above the housing and opposite to the first through hole.
As a further technical solution, the gravity floating block includes a blocking portion and a base portion, a gap is formed between the base portion and the side wall of the housing, and the blocking portion is located below the base portion and is used for blocking or opening the first through hole.
As a further technical scheme, the blocking part is an inverted cone, a tapered part matched with the blocking part is arranged at the bottom of the shell, and the first through hole is formed in the bottom end of the tapered part.
As a further technical solution, the unidirectional flux assembly further includes a sealing member, and the sealing member is located between the blocking portion and the first through hole.
As a further technical scheme, the flow detection device comprises a flow meter, an inlet of the flow meter is communicated with the liquid inlet, and an outlet of the flow meter is communicated with the liquid outlet.
As a further technical scheme, the flow detection device comprises a flow switch, an inlet of the flow switch is communicated with the liquid inlet, and an outlet of the flow switch is communicated with the liquid outlet.
The utility model provides a pair of water purifier, including filtering module, clean water tap, signal lamp, control module and liquid flow detection mechanism, filter module's delivery port with the inlet intercommunication, the liquid outlet with clean water tap intercommunication, the signal lamp with flow detection device electricity all connects in control module, just flow detection device can make control module control the signal lamp is opened or is closed.
Compared with the prior art, the utility model provides a pair of liquid flow detection mechanism and purifier have the technical advantage do:
the utility model provides a pair of liquid flow detection mechanism, include: the system comprises a pipeline system, a flow detection device and a flow conduction device; the pipeline system comprises a liquid inlet, a liquid outlet, a first pipeline and a second pipeline which are connected in parallel between the liquid inlet and the liquid outlet; the flow conduction device is arranged on the first pipeline, the flow detection device is arranged on the second pipeline, and the pressure loss of the flow conduction device is smaller than that of the flow detection device; the flow switches on the device and is provided with and switches on hydraulic pressure, and when the hydraulic pressure in the first pipeline was greater than and switches on hydraulic pressure, through first pipeline and second pipeline intercommunication between inlet and the liquid outlet, when the hydraulic pressure in the first pipeline was less than and switches on hydraulic pressure, through the second pipeline intercommunication between inlet and the liquid outlet.
The flow conducting device and the flow detection device are connected in parallel between the liquid inlet and the liquid outlet, so that the flow conducting device and the flow detection device have the same pressure loss; when the flow of the liquid outlet is larger, the hydraulic pressure in the first pipeline is larger than the conduction hydraulic pressure, the first pipeline is conducted through the flow conduction device, and most of liquid flows out through the first pipeline with the flow conduction device. The utility model provides a liquid flow detection mechanism switches on the device through setting up the flow at first pipeline, and the second pipeline sets up flow detection device, makes flow detection device and flow switch on the pressure loss of device the same, and flow detection device's pressure loss can neglect when both guaranteeing the flow big, and flow detection device can detect when the flow is hour simultaneously.
The utility model provides a pair of water purifier, including filtering module, water purification tap, signal lamp, control module and liquid flow detection mechanism, filter module's delivery port with the inlet intercommunication, the liquid outlet with water purification tap intercommunication, the signal lamp with flow detection device electricity all connects in control module, just flow detection device can make control module control the signal lamp is opened or is closed, from this, its technical advantage and the effect that reaches include technical advantage and the effect that above-mentioned liquid flow detection mechanism reached, do not do detailed explanation here.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flow chart of a water purifier with a flow meter and a check valve in a liquid flow detection mechanism provided in an embodiment of the present invention;
fig. 2 is a flow chart of a water purifier with a flow switch and a check valve in a liquid flow detection mechanism provided in an embodiment of the present invention;
fig. 3 is a flow chart of a water purifier with a flow meter and a one-way conduction assembly for a liquid flow detection mechanism provided by the embodiment of the present invention;
fig. 4 is a schematic structural view of the unidirectional conducting assembly according to the embodiment of the present invention in a plugging state;
fig. 5 is a schematic structural diagram of the unidirectional conducting component according to the embodiment of the present invention in the conducting state.
Icon: 1-a filtration module; 2-a unidirectional conducting component; 21-a housing; 22-a base; 23-a blocking part; 3-a flow meter; 4-a water purification faucet; 5-a flow switch; 6-one-way valve.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
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.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.
The specific structure is shown in fig. 1 to 5.
As shown in fig. 1, 2 and 3, the present embodiment provides a liquid flow rate detection mechanism including: the system comprises a pipeline system, a flow detection device and a flow conduction device;
the pipeline system comprises a liquid inlet, a liquid outlet, a first pipeline and a second pipeline which are connected in parallel between the liquid inlet and the liquid outlet;
the flow conduction device is arranged on the first pipeline, the flow detection device is arranged on the second pipeline, and the pressure loss of the flow conduction device is smaller than that of the flow detection device;
the flow switches on the device and is provided with and switches on hydraulic pressure, and when the hydraulic pressure in the first pipeline was greater than and switches on hydraulic pressure, through first pipeline and second pipeline intercommunication between inlet and the liquid outlet, when the hydraulic pressure in the first pipeline was less than and switches on hydraulic pressure, through the second pipeline intercommunication between inlet and the liquid outlet.
In this embodiment, the first conduit includes a first section and a second section; the second pipeline comprises a third section and a fourth section, wherein one end port of the first section is a liquid inlet, one end port of the second section is a liquid outlet, the other end port of the first section is communicated with the other end port of the second section through a flow conduction device, one end port of the third section is communicated with the liquid inlet, one end port of the fourth section is communicated with the liquid outlet, and the other end port of the third section is communicated with the other end port of the fourth section through a flow detection device.
Specifically, a first communicating hole is formed in the pipe wall of the first section, a second communicating hole is formed in the pipe wall of the second section, one end port of the third section is communicated with the first communicating hole, so that one end port of the third section is communicated with the liquid inlet, one end port of the fourth section is communicated with the second communicating hole, and one end port of the fourth section is communicated with the liquid outlet. So, make first section be close to partly become the part of sharing in first pipeline and the second pipeline of liquid inlet, the second section is close to partly share in liquid outlet becomes first pipeline and the second pipeline, makes pipe-line system simple structure, and save material and space realize first pipeline and second pipeline parallelly connected simultaneously.
When the hydraulic pressure of the liquid in the first section flowing to the flow conduction device is greater than the conduction hydraulic pressure, the flow conduction device is opened, and when the hydraulic pressure of the liquid in the first section flowing to the flow conduction device is less than the conduction hydraulic pressure, the flow conduction device is closed.
The flow conducting device and the flow detection device are connected in parallel between the liquid inlet and the liquid outlet, so that the flow conducting device and the flow detection device have the same pressure loss; when the flow of the liquid outlet is larger, the hydraulic pressure in the first pipeline is larger than the conduction hydraulic pressure, the first pipeline is conducted through the flow conduction device, and most of liquid flows out through the first pipeline with the flow conduction device.
It should be noted that the pipeline system is not limited to the first pipeline and the second pipeline, and a plurality of pipelines may be arranged in parallel according to the requirement, and each pipeline is provided with a flow detection device or a flow communication device, as long as at least one pipeline is provided with a flow detection device and at least one pipeline is provided with a flow communication device.
The liquid flow detection mechanism that this embodiment provided, through set up the flow and switch on the device at first pipeline, the second pipeline sets up flow detection device, makes flow detection device and flow switch on the pressure loss of device the same, and both guarantee that flow detection device's pressure loss can neglect when flow is big, and flow detection device can detect when flow is little simultaneously.
Among the optional technical scheme of this embodiment, the flow switches on the device and includes the multidirectional valve, the import and the inlet intercommunication of multidirectional valve, a plurality of exports all communicate with the liquid outlet, pipe-line system forms many pipelines this moment, the required hydraulic pressure that switches on of the import of multidirectional valve is little, it is little to switch on back pressure loss simultaneously, when the flow through the multidirectional valve is big, because the pressure loss is less, the play liquid of liquid outlet is effectual, simultaneously by the liquid that the inlet of multidirectional valve got into through many routes entering liquid outlet, alleviate delivery pressure, prevent the pipeline damage.
As shown in fig. 1 and fig. 2, among the optional technical scheme of this embodiment, the flow switches on the device and includes check valve 6, check valve 6's import and inlet intercommunication, check valve 6's export and outlet intercommunication, the required hydraulic pressure that switches on of the import of check valve is little, switches on back pressure loss simultaneously and is little, when the flow through check valve 6 is big, because the pressure loss is less, the play liquid of outlet is effectual, and check valve 6 can only one-way switch on simultaneously, prevents the backward flow.
As shown in fig. 3, 4 and 5, in an optional technical solution of this embodiment, the flow conducting device includes a one-way conducting assembly 2, the one-way conducting assembly 2 includes a gravity floating block and a housing 21, a sealed cavity is formed in the housing 21, a first through hole and a second through hole are formed in a cavity wall of the sealed cavity, the first through hole is located at a bottom wall of the sealed cavity, the first through hole is communicated with the liquid inlet, and the second through hole is communicated with the liquid outlet;
the gravity floating block is arranged in the sealing cavity and located above the first through hole, when the hydraulic pressure of the liquid inlet is greater than the gravity of the gravity floating block, the gravity floating block opens the first through hole, the first through hole is communicated with the second through hole, and when the hydraulic pressure of the liquid inlet is smaller than the gravity of the gravity floating block, the gravity floating block blocks the first through hole.
In this embodiment, when liquid in the pipeline system flows through the first through hole, upward hydraulic pressure is generated, and the gravity floating block is lifted upwards to enable the first through hole to be communicated with the second through hole, at this time, the first pipeline is conducted, when no liquid flows in the pipeline system or the hydraulic pressure when the liquid passes through the first through hole is smaller than the gravity of the gravity floating block, the gravity floating block plugs the first through hole, and at this time, the first pipeline is closed.
In this embodiment, the quantity of first through-hole can be provided with one or more according to actual demand, and the quantity of second through-hole can be provided with one or more according to actual demand, and when first through-hole was provided with a plurality ofly, can cooperate and set up a gravity floating block and also can cooperate and set up a plurality of gravity floating blocks.
It should be noted that the first through hole is not limited to be disposed on the bottom wall of the housing 21, and may be other positions as long as the gravity floating block can be plugged or opened by the gravity floating block through its own gravity and the hydraulic pressure at the first through hole.
Among the optional technical scheme of this embodiment, be provided with the expansion portion on the first pipeline, the sectional area of expansion portion is greater than the sectional area at expansion portion both ends department, and gravity floating block sets up in the expansion portion, so, the expansion portion is the shell 21 of one-way conduction subassembly 2 promptly, shell 21 and first pipeline integrated into one piece, the sound construction.
The preferred of this embodiment, first through-hole and second through-hole all are provided with one, and the second through-hole is located the top of shell 21 and is relative with first through-hole, so, make 2 overall structure of unidirectional flux subassembly simple, and first through-hole is relative from top to bottom with the second through-hole simultaneously, when making the first through-hole of gravity floating block open or seal, do not influence second through-hole and first through-hole intercommunication.
As shown in fig. 4 and 5, in an alternative solution of this embodiment, the gravity floating block includes a blocking portion 23 and a base portion 22, a gap is formed between the base portion 22 and a side wall of the housing 21, and the blocking portion 23 is located below the base portion 22 and is used for blocking or opening the first through hole.
In this embodiment, the cross-sectional area of the base 22 is smaller than the cross-sectional area of the housing 21, so that a gap is formed between the base 22 and the inner side wall of the housing 21, and when the blocking portion 23 below the base 22 is jacked up, the first through hole is communicated with the gap between the base 22 and the inner side wall of the housing 21, that is, the liquid enters the second through hole from the first through hole through the gap.
Further, shutoff portion 23 is the back taper body, the top cross section size and the shape of shutoff portion 23 are the same with basal portion 22 cross section size and shape, the bottom of shell 21 is provided with the convergent portion with shutoff portion 23 assorted, the convergent portion also is the back taper promptly, and first through-hole has been seted up to the bottom of convergent portion, it is smooth and easy by last whole streamline down when making the lateral wall of gravity floating block, make things convenient for liquid to flow through along the clearance between gravity floating block lateral wall and the shell 21 inside wall, the bottom lifting surface area of shutoff portion 23 is less simultaneously, hydraulic pressure concentrates on the lower extreme of shutoff portion 23, make the messenger lead to the littleer that hydraulic pressure changed, the compression is lower, be convenient for the outflow of liquid.
Preferably, the plugging portion 23 is in an inverted cone shape, and the first through hole is a circular hole, so that a gap between the plugging portion 23 and the first through hole is smaller when the plugging portion plugs the first through hole, and the plugging portion 23 is not easy to clamp when being opened or plugging the first through hole.
In the present embodiment, the blocking portion 23 and the base portion 22 are not limited to this shape, and may have other shapes as long as the first through hole can be blocked or opened by the gravity float by the hydraulic pressure below the first through hole.
In an optional technical solution of this embodiment, the unidirectional flux assembly 2 further includes a sealing member, and the sealing member is located between the blocking portion 23 and the first through hole.
In this embodiment, when the plugging portion 23 plugs the first through hole, a small gap exists between the plugging portion and the first through hole, the sealing member is located at the gap to seal the gap and prevent liquid leakage, and the sealing member may be connected to the gravity floating block or the first through hole.
In this embodiment, preferably, the sealing member is a sealing ring, the sealing ring is convenient to cooperate with the circular first through hole, the sealing effect is good, the sealing ring can be a rubber sealing ring, a resin sealing ring or a silica gel sealing ring, and the number of the sealing ring is at least one.
As shown in fig. 1 and fig. 3, in the optional technical solution of this embodiment, the flow detection device includes a flow meter 3, an inlet of the flow meter 3 is communicated with the liquid inlet, and an outlet of the flow meter 3 is communicated with the liquid outlet.
As shown in fig. 2, in the optional technical scheme of this embodiment, the flow detection device includes flow switch 5, and flow switch 5's import and inlet intercommunication, and flow switch 5's export and outlet intercommunication, in this embodiment, choose to detect the lower flow switch 5 of lower limit for use, detect flow effectual, and flow switch 5 has the switch function simultaneously, and when flow passed through, the accessible switch function prompted the user.
As shown in fig. 1, fig. 2 and fig. 3, the water purifier provided in this embodiment includes a filtering module 1, a purified water tap 4, a signal lamp, a control module and the liquid flow detection mechanism, wherein a water outlet of the filtering module 1 is communicated with a water inlet, a water outlet is communicated with the purified water tap 4, the signal lamp and the flow detection device are electrically connected to the control module, and the flow detection device can enable the control module to control the signal lamp to be turned on or turned off. Therefore, the technical advantages and effects achieved by the water purifier comprise the technical advantages and effects achieved by the liquid flow detection mechanism, and are not repeated herein.
In the embodiment, the clear water tap 4 is opened, the flow detection device enables the control module control signal lamp to be opened, the clear water tap 4 is closed, and the flow detection device enables the control module control signal lamp to be closed;
or the purified water faucet 4 is opened, the flow detection device enables the control module control signal lamp to be closed, the purified water faucet 4 is closed, and the flow detection device enables the control module control signal lamp to be opened.
Preferably, in this embodiment, when the purified water faucet 4 is opened, the liquid filtered by the filtering module 1 enters the liquid inlet, and the liquid flows through the flow rate detecting device and then flows out of the purified water faucet 4, and when the liquid flows through the flow rate detecting device, the flow rate detecting device detects the flow rate and transmits a signal to the control module, and the control module controls the signal lamp to light; when the water purifying faucet 4 is closed, the flow detection device cannot detect the flow, and transmits a signal to the control module, and the control module controls the signal lamp to be turned off, so that a user can better distinguish whether the water purifying faucet 4 is opened or closed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A liquid flow detection mechanism, comprising: the system comprises a pipeline system, a flow detection device and a flow conduction device;
the pipeline system comprises a liquid inlet, a liquid outlet, a first pipeline and a second pipeline which are connected in parallel between the liquid inlet and the liquid outlet;
the flow conduction device is arranged on the first pipeline, the flow detection device is arranged on the second pipeline, and the pressure loss of the flow conduction device is smaller than that of the flow detection device;
the flow switches on the device and is provided with and switches on hydraulic pressure, hydraulic pressure in the first pipeline is greater than when switching on hydraulic pressure, the inlet with pass through between the liquid outlet first pipeline with the second pipeline intercommunication, hydraulic pressure in the first pipeline is less than when switching on hydraulic pressure, pass through between the inlet with the liquid outlet the second pipeline intercommunication.
2. The liquid flow detecting mechanism according to claim 1, wherein the flow conducting device comprises a one-way valve (6), an inlet of the one-way valve (6) is communicated with the liquid inlet, and an outlet of the one-way valve (6) is communicated with the liquid outlet.
3. The liquid flow detection mechanism according to claim 1, wherein the flow conducting device comprises a one-way conducting assembly (2), the one-way conducting assembly (2) comprises a gravity floating block and a housing (21), a sealed cavity is formed in the housing (21), a first through hole and a second through hole are formed in the cavity wall of the sealed cavity, the first through hole is located in the bottom wall of the sealed cavity, the first through hole is communicated with the liquid inlet, and the second through hole is communicated with the liquid outlet;
the gravity floating block is arranged in the sealing cavity and is positioned above the first through hole, when the hydraulic pressure of the liquid inlet is greater than the gravity of the gravity floating block, the gravity floating block opens the first through hole, the first through hole is communicated with the second through hole, and when the hydraulic pressure of the liquid inlet is smaller than the gravity of the gravity floating block, the gravity floating block blocks the first through hole.
4. The liquid flow sensing mechanism according to claim 3, wherein the second through hole is located above the housing (21) and opposite to the first through hole.
5. The liquid flow rate detecting mechanism according to claim 3, wherein the gravity float includes a blocking portion (23) and a base portion (22), a gap is formed between the base portion (22) and a side wall of the housing (21), and the blocking portion (23) is located below the base portion (22) and is used for blocking or opening the first through hole.
6. The liquid flow rate detecting mechanism according to claim 5, wherein the blocking portion (23) is an inverted cone, a tapered portion matching with the blocking portion (23) is provided at a bottom of the housing (21), and the first through hole is opened at a bottom end of the tapered portion.
7. The liquid flow sensing mechanism according to claim 5, wherein the unidirectional flux assembly (2) further comprises a seal member between the blocking portion (23) and the first through hole.
8. The liquid flow rate detecting mechanism according to any one of claims 2 and 3, wherein the flow rate detecting device comprises a flow meter (3), an inlet of the flow meter (3) is communicated with the liquid inlet, and an outlet of the flow meter (3) is communicated with the liquid outlet.
9. The liquid flow rate detecting mechanism according to any one of claims 2 and 3, wherein the flow rate detecting device comprises a flow switch (5), an inlet of the flow switch (5) is communicated with the liquid inlet, and an outlet of the flow switch (5) is communicated with the liquid outlet.
10. A water purification machine comprising a filtration module (1), a purified water tap (4), a signal lamp, a control module and the liquid flow detection mechanism of any one of claims 1 to 9, wherein the water outlet of the filtration module (1) is communicated with the water inlet, the water outlet is communicated with the purified water tap (4), the signal lamp and the flow detection device are electrically connected to the control module, and the flow detection device enables the control module to control the signal lamp to be turned on or off.
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| CN202121752841.XU CN215296330U (en) | 2021-07-29 | 2021-07-29 | Liquid flow detection mechanism and water purifier |
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| CN202121752841.XU CN215296330U (en) | 2021-07-29 | 2021-07-29 | Liquid flow detection mechanism and water purifier |
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