CN221223929U

CN221223929U - Water flow sensor and humidifier

Info

Publication number: CN221223929U
Application number: CN202420193811.7U
Authority: CN
Inventors: 罗金奇; 李文文; 李保均; 吴权文
Original assignee: Zhongshan Haoqi Electrical Appliance Co Ltd
Current assignee: Zhongshan Haoqi Electrical Appliance Co Ltd
Filing date: 2024-01-26
Publication date: 2024-06-25
Anticipated expiration: 2034-01-26

Abstract

The utility model discloses a water flow sensor and a humidifier, wherein the water flow sensor comprises a sealed cavity and a floating body arranged in the cavity, the cavity is provided with a water outlet and a water inlet, a middle pipe communicated with the water inlet is arranged in the cavity, the floating body is provided with a concave cavity sleeved at the upper end of the middle pipe, the cavity is provided with a detection mechanism for detecting floating or falling of the floating body, the water flow sensor can be arranged at the water inlet end or the water outlet end of a water pump on a humidifier and other products, and a water level detection device is not required to be arranged in a water tank.

Description

Water flow sensor and humidifier

Technical Field

The utility model relates to an inductor, in particular to a water flow inductor for a humidifier.

Background

When the water level is detected, two modes are generally adopted in the existing humidifier: firstly, a floating ball is arranged in a water tank, an induction sensor is arranged at a position of the water tank corresponding to the floating ball, and the water level is induced to be high or low by the floating ball, so that a host machine is controlled or a water shortage alarm is sent out, the water tank has a complex structure, in the water pumping process of the water tank, the floating ball is moved due to the vibration of water, and the false alarm of the water tank detection is easily caused; the second is that a water level probe is arranged at the bottom of the host, for example, patent document with publication number CN219103216U discloses a double-spray humidifier, which adopts the technical proposal that: including the humidifier main part, the below of humidifier main part is equipped with stainless steel basin, and the water level probe is installed to the lower extreme of humidifier main part, and the detection end of water level probe extends to stainless steel water inslot, and water level probe is connected with the control mainboard electricity, detects the water level in the stainless steel water inslot through the water level probe that sets up to control the humidifier, the detection end of this kind of water level probe needs to extend to the bottom of basin, and the structure of product is arbitrary complicated.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a water flow sensor and a humidifier.

The technical scheme adopted for solving the technical problems is as follows:

The water flow sensor comprises a sealed cavity and a floating body arranged in the cavity, wherein the cavity is provided with a water outlet and a water inlet, an intermediate pipe communicated with the water inlet is arranged in the cavity, and the floating body is provided with a concave cavity sleeved at the upper end of the intermediate pipe; the cavity is provided with a detection mechanism for detecting the floating or falling of the floating body.

The detection mechanism comprises a magnet arranged on the floating body, and the cavity is provided with an inductor corresponding to the floating position of the floating body.

The floating body comprises an upper shell and a lower shell, a first inserting groove is formed in the edge of the lower end of the upper shell, a first inserting protrusion is arranged on the lower shell, and after the floating body is assembled, the first inserting protrusion is inserted into the first inserting groove.

The cavity is formed by the center of the lower shell in an upward concave mode, a magnet groove is formed in the position, corresponding to the top of the cavity, of the upper shell, and the magnet is arranged between the magnet groove and the top of the cavity.

The cavity comprises an upper cover and a lower cover, the upper cover is provided with a second inserting protrusion, the lower cover is provided with a second inserting groove, and after assembly, the second inserting protrusion is inserted into the second inserting groove.

The water outlet and the water inlet are positioned at the bottom of the lower cover, and the middle pipe is positioned at the center of the lower cover.

The outer side wall of the lower cover is provided with a fixing part.

The top of upper cover is provided with mounting platform, detection mechanism installs on the mounting platform.

The utility model provides an adopt the humidifier of rivers inductor, includes host computer and water tank, the host computer is provided with the filter screen room, install the water pump in the host computer, the water inlet end of water pump with the water tank intercommunication, the water outlet end with the water inlet intercommunication of rivers inductor, the delivery port of rivers inductor with the filter screen room intercommunication.

The utility model provides an adopt the humidifier of rivers inductor, includes host computer and water tank, the host computer is provided with the filter screen room, install the water pump in the host computer, the water outlet end of water pump with the filter screen room intercommunication, the water inlet end with the delivery port intercommunication of rivers inductor, the water inlet of rivers inductor with the water tank intercommunication.

The beneficial effects of the utility model are as follows: the water flow sensor detects whether water flows through the position of the floating body in the cavity, has the advantages of simple and compact structure, false alarm prevention and the like, can be arranged at the water inlet end or the water outlet end of the water pump on products such as a humidifier and the like, does not need to be provided with a water level detection device in the water tank, and can simplify the structure of the products.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of a water flow sensor;

FIG. 2 is an exploded view of the water flow sensor;

FIG. 3 is a cross-sectional view of the structure of the water flow sensor;

FIG. 4 is a structural exploded cross-sectional view of the float;

Fig. 5 is a structural diagram of the humidifier.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

It is to be understood that this description is merely exemplary in nature and is not intended to limit the scope of the present utility model.

A description of one provided by some embodiments of the utility model is provided below with reference to the accompanying drawings.

Referring to fig. 1 to 5, a water flow sensor comprises a sealed cavity 1 and a floating body 2 arranged in the cavity 1, wherein the cavity 1 is provided with a water outlet 11 and a water inlet 12, an intermediate pipe 13 communicated with the water inlet 12 is arranged in the cavity 1, the floating body 2 is provided with a concave cavity 21 sleeved at the upper end of the intermediate pipe 13, and the cavity 1 is provided with a detection mechanism for detecting the floating or falling of the floating body 2.

In this embodiment, the detection mechanism includes a magnet 22 mounted on the floating body 2, and the cavity 1 is provided with an inductor 14 corresponding to the floating position of the floating body 2, where the inductor is a hall sensor, a reed switch, or the like, and the detection mechanism may also adopt a photoelectric switch or a contact switch, or the like.

The lower end of the concave cavity 21 is opened, the upper end of the concave cavity 21 is closed, the transverse section of the concave cavity 21 is circular, the middle pipe 13 is cylindrical, after the floating body 2 falls down, the concave cavity 21 and the middle pipe 13 are not sealed, a concave-convex structure is arranged at the top of the middle pipe 13 or water outlet small holes are arranged on the side wall of the middle pipe 13, and the problem that water cannot be pumped due to sealing between the concave cavity 21 and the middle pipe 13 when a water pump additionally arranged at the water inlet 12 is just started is avoided. After the floating body is mounted on a product, the middle pipe 13 is vertical, the vertical section of the cavity 1 is elliptical, and the height of the vertical section is larger than the width of the vertical section, so that the floating body 2 can have a larger up-and-down floating space.

In operation, water flows from the water inlet 12, is ejected from the top of the intermediate pipe 13, flows into the cavity 1 from a gap formed between the intermediate pipe 13 and the cavity 21, and then flows out from the water outlet 11. When water exists in the water tank, the whole cavity 1 is filled with water, the floating body 2 floats, the floating body 2 is detected by the detection mechanism, when no water flow exists, the gravity action of the floating body 2 naturally falls, the detection mechanism detects that after air flow enters between the middle pipe 13 and the concave cavity 21, the fluctuation of the air flow drives the floating body 2 to shake, the phenomenon of adsorption between the floating body 2 and the middle pipe 13 or between the floating body 2 and the cavity 1 due to residual liquid is avoided, and the floating body 2 can fall without false alarm when no water flow exists.

The floating body 2 may be a hollow structure or a solid structure made of a light material, in this embodiment, the floating body 2 is a hollow structure, specifically, the floating body 2 includes an upper shell 23 and a lower shell 24, a first plugging groove 25 is provided at a lower end edge of the upper shell 23, a first plugging protrusion 26 is provided on the lower shell 24, after assembling, the first plugging protrusion 26 is inserted into the first plugging groove 25, and glue sealing connection between the first plugging protrusion 26 and the first plugging groove 25 may be adopted.

The concave cavity 21 is integrally formed by upwards sinking the center of the lower shell 24, the position, corresponding to the top of the concave cavity 21, of the upper shell 23 is provided with a magnet groove 27, and the magnet 22 is arranged between the magnet groove 27 and the top of the concave cavity 21, so that the assembly is simple.

The cavity 1 comprises an upper cover 15 and a lower cover 16, the upper cover 15 is provided with a second inserting protrusion 17, the lower cover 16 is provided with a second inserting groove 18, after assembly, the second inserting protrusion 17 is inserted into the second inserting groove 18, and the second inserting protrusion 17 and the second inserting groove 18 can be in sealing connection by adopting glue.

The water outlet 11 and the water inlet 12 are positioned at the bottom of the lower cover 16, and the middle pipe 13 is positioned at the center of the lower cover 16, so that water flow is smooth. The outer side wall of the lower cover 16 is provided with a fixing part 19, which is convenient to assemble and fix with the host 4.

The top of upper cover 15 is provided with mounting platform 100, detection mechanism installs mounting platform 100 is last, and convenient assembly can be with former water tank water level detector's interface connection.

The water flow sensor can be mounted on products such as a humidifier, can be mounted on the water inlet end of a water pump, and can also be mounted on the water outlet end of the water pump. The humidifier comprises a main machine 4 and a water tank 3, wherein the main machine 4 is provided with a filter screen chamber 41, a water pump is arranged in the main machine 4, the water pump pumps water from the water tank 3 to the filter screen of the filter screen chamber 41, a wind power component in the prior art is arranged in the main machine 4, and air in the filter screen chamber 41 is blown out through wind power of the main machine 4, so that a humidifying function is realized; the volume of rivers inductor is less, can install in host computer 4, installs additional and be at the play water end of water pump: the water inlet end of the water pump is communicated with the water tank 3, the water outlet end of the water pump is communicated with the water inlet 12 of the water flow sensor, and the water outlet 11 of the water flow sensor is communicated with the filter screen chamber 41. The water inlet end of the water pump is provided with: the water outlet end of the water pump is communicated with the filter screen chamber 41, the water inlet end of the water pump is communicated with the water outlet 11 of the water flow sensor, and the water inlet 12 of the water flow sensor is communicated with the water tank 3.

Compared with the humidifier with the water level detector in the water tank 3, the water level detector in the water tank 3 is not needed after the water flow sensor is adopted, the structure of the product can be simplified, the detection mechanism is directly connected to the interface of the original water level detector in the water tank, the circuit is not needed to be changed, the product structure is compact, false alarm is not generated, and the reliability of the product is improved.

In the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "secured," and the like are to be construed broadly, as they are used in a fixed or removable connection, or as they are integral with one another, as they are directly or indirectly connected through intervening media. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It will be understood that when an element is referred to as being "mounted," "secured" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The water flow sensor is characterized by comprising a sealed cavity (1) and a floating body (2) arranged in the cavity (1), wherein the cavity (1) is provided with a water outlet (11) and a water inlet (12), an intermediate pipe (13) communicated with the water inlet (12) is arranged in the cavity (1), and the floating body (2) is provided with a concave cavity (21) sleeved at the upper end of the intermediate pipe (13); the cavity (1) is provided with a detection mechanism for detecting the floating or falling of the floating body (2).

2. A water flow sensor according to claim 1, characterized in that the detection means comprise a magnet (22) mounted on the float (2), the cavity (1) being fitted with a sensor (14) corresponding to the position where the float (2) floats.

3. A water flow sensor according to claim 2, characterized in that the floating body (2) comprises an upper shell (23) and a lower shell (24), the lower end edge of the upper shell (23) is provided with a first plug-in groove (25), the lower shell (24) is provided with a first plug-in protrusion (26), and the first plug-in protrusion (26) is inserted into the first plug-in groove (25) after assembly.

4. A water flow sensor according to claim 3, characterized in that the cavity (21) is integrally formed by recessing the center of the lower shell (24) upwards, the upper shell (23) is provided with a magnet slot (27) at a position corresponding to the top of the cavity (21), and the magnet (22) is mounted between the magnet slot (27) and the top of the cavity (21).

5. A water flow sensor according to claim 1, characterized in that the cavity (1) comprises an upper cover (15) and a lower cover (16), the upper cover (15) is provided with a second plug-in protrusion (17), the lower cover (16) is provided with a second plug-in groove (18), and after assembly, the second plug-in protrusion (17) is inserted into the second plug-in groove (18).

6. A water flow sensor according to claim 5, characterized in that the water outlet (11) and the water inlet (12) are located at the bottom of the lower cover (16), the intermediate pipe (13) being located in the centre of the lower cover (16).

7. A water flow sensor according to claim 5, characterized in that the outer side wall of the lower cover (16) is provided with a fixing portion (19).

8. A water flow sensor according to claim 5, characterized in that the top of the upper cover (15) is provided with a mounting platform (100), the detection mechanism being mounted on the mounting platform (100).

9. A humidifier adopting the water flow sensor according to any one of claims 1 to 8, comprising a main machine (4) and a water tank (3), wherein the main machine (4) is provided with a filter screen chamber (41), a water pump is installed in the main machine (4), a water inlet end of the water pump is communicated with the water tank (3), a water outlet end of the water pump is communicated with a water inlet (12) of the water flow sensor, and a water outlet (11) of the water flow sensor is communicated with the filter screen chamber (41).

10. A humidifier adopting the water flow sensor according to any one of claims 1 to 8, comprising a main machine (4) and a water tank (3), wherein the main machine (4) is provided with a filter screen chamber (41), a water pump is installed in the main machine (4), a water outlet end of the water pump is communicated with the filter screen chamber (41), a water inlet end of the water pump is communicated with a water outlet (11) of the water flow sensor, and a water inlet (12) of the water flow sensor is communicated with the water tank (3).