Water level control structure of humidifier and humidifier

Abstract

The utility model provides a water level control structure of humidifier and humidifier wherein the water level control structure comprises a water tank for supplying water to the humidification net and a water tank for supplying water to the water tank, the water tank and the water tank are communicated through a waterway switch, and a first floater and a first position detection sensor for detecting the height of the first floater are arranged in the water tank; a second floater, a second position detection sensor, a third position detection sensor and a controller are arranged in the water tank; the second position detection sensor and the third position detection sensor are used for detecting the height of the second floater; the first position detection sensor, the second position detection sensor and the third position detection sensor are electrically connected to the controller. The controller can control the on-off of the waterway switch; when the waterway switch is turned on, water in the water tank can flow to the water tank under the action of gravity. According to the water level control structure, the humidifying net and the water tank can be separated, water of the humidifying net is prevented from flowing back into the water tank, meanwhile, the water level of the water tank and the water tank is monitored, and danger caused by water-free operation of the humidifier is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of humidifiers, and more specifically, to a water level control structure and a humidifier for a humidifier. Background Art

[0002] At present, in a cold evaporation type mist-free humidifier, a humidifying net assembly is generally arranged above a water tank. Water in the water tank is pumped to above the humidifying net by a water pump to soak the humidifying net, and then air is sucked into the humidifier by a fan, passes through the soaked humidifying net, so that the water on the humidifying net evaporates, and the water vapor is discharged into the room together with the air to achieve mist-free humidification. The humidifying net assembly is directly arranged above the water tank, and the water on the humidifying net assembly is likely to drip and flow back into the water tank, causing secondary pollution of the water in the water tank, which is not conducive to health. In addition, in order to prevent the humidifier from running without water, it is also necessary to monitor the water level.

[0003] In view of this, the applicant has put forward this application after studying the existing technologies. Summary of the Utility Model

[0004] The utility model provides a water level control structure and a humidifier for a humidifier, aiming to improve at least one of the above technical problems.

[0005] To solve the above technical problems, the utility model provides a water level control structure for a humidifier, which includes a water tank for supplying water to a humidifying net, a water tank for supplying water to the water tank, a waterway switch capable of connecting the water tank and the water tank, a first float movably arranged in the water tank, and a first position detection sensor for detecting whether the position of the first float is not higher than a first preset height; a second float movably arranged in the water tank, a second position detection sensor for detecting whether the position of the second float is not higher than a second preset height, a third position detection sensor for detecting whether the position of the second float is not lower than a third preset height, and a controller;

[0006] The first position detection sensor, the second position detection sensor and the third position detection sensor are respectively electrically connected to the signal receiving end of the controller for detecting the water level;

[0007] The controller is electrically connected to the control end of the waterway switch for controlling the opening and closing of the waterway switch; the water level control structure is configured such that when the waterway switch is opened, the water in the water tank can flow to the water tank under the action of gravity.

[0008] As a further optimization, the waterway switch is a solenoid valve or an electronically controlled valve with other structures.

[0009] As a further optimization, the first float is made of a magnetic material; the first position detection sensor is a magnetic sensor.

[0010] As a further optimization, the second float is made of a magnetic material; both the second position detection sensor and the third position detection sensor are magnetic sensors.

[0011] As a further optimization, the water level control structure further includes a filter element disposed at the water outlet of the water tank.

[0012] The present application further provides a humidifier, including the water level control structure of a humidifier according to any one of the above.

[0013] By adopting the above technical solutions, the following technical effects can be achieved by the present utility model:

[0014] The water level control structure of a humidifier of the present application, by providing a water tank and a water trough, the water tank supplies water to the water trough, and the water trough supplies water to the humidifying mesh. The water tank and the water trough are arranged separately, so that the water in the humidifying mesh will not flow back into the water tank, causing the water in the water tank to be polluted. By providing a first float in the water tank and a first position detection sensor for detecting whether the position of the first float is not higher than a first preset height, it is possible to monitor whether the water tank is short of water. If the water tank is short of water, it can report water shortage and automatically stop. By providing a second float in the water trough, a second position detection sensor for detecting whether the position of the second float is not higher than a second preset height, and a third position detection sensor for detecting whether the position of the second float is not lower than a third preset height, when the position of the second float is not higher than the second preset height, the waterway switch is opened, and the water tank supplies water to the water trough. When the position of the second float is not lower than the third preset height, the waterway switch is closed, and the water tank stops supplying water to the water trough, preventing the water in the water trough from overflowing. At the same time, the water levels in the water trough and the water tank are monitored to prevent the humidifier from running without water and causing danger. Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 is a schematic structural diagram of a water level control structure of a humidifier of the present utility model;

[0017] Figure 2 is a schematic control principle diagram of a water level control structure of a humidifier of the present utility model;

[0018] Figure 3 is a schematic internal structure diagram of the water trough and the water tank;

[0019] Figure 4 It is a schematic structural diagram of a humidifier;

[0020] Markings in the figure: 1 - water tank; 11 - second float; 12 - second position detection sensor; 13 - third position detection sensor; 14 - water pump; 2 - water tank; 21 - first float; 22 - first position detection sensor; 3 - waterway switch; 4 - filter element; 5 - base; 6 - fan assembly; 7 - humidifying mesh assembly; 8 - humidifying chamber. Specific implementation manners

[0021] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model. Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the present utility model to be protected, but merely represents the selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Example 1

[0023] As shown by Figures 1 to 3 the present embodiment of the present utility model provides a water level control structure for a humidifier, including a water tank 1 for supplying water to a humidifying mesh, a water tank 2 for supplying water to the water tank 1, a waterway switch 3 capable of connecting the water tank 1 and the water tank 2, a first float 21 movably disposed in the water tank for detecting whether the position of the first float 21 is not higher than a first preset height, and a first position detection sensor 22; a second float 11 movably disposed in the water tank 1, a second position detection sensor 13 for detecting whether the position of the second float 11 is not higher than a second preset height, a third position detection sensor for detecting whether the position of the second float is not lower than a third preset height, and a controller;

[0024] The first position detection sensor 22, the second position detection sensor 12, and the third position detection sensor 13 are respectively electrically connected to the signal receiving end of the controller for detecting the water level;

[0025] The controller is electrically connected to the control end of the waterway switch 3 for controlling the opening and closing of the waterway switch 3; the water level control structure is configured such that when the waterway switch 3 is opened, the water in the water tank 2 can flow to the water tank 1 under the action of gravity.

[0026] Further, the waterway switch 3 is a solenoid valve or an electronically controlled valve of other structures.

[0027] Further, the first float 21 is made of magnetic material; the first position detection sensor 22 is a magnetic sensor.

[0028] Further, the second float 11 is made of magnetic material; both the second position detection sensor 22 and the third position detection sensor 23 are magnetic sensors.

[0029] Further, the water level control structure further includes a filter element 4 disposed at the water outlet of the water tank.

[0030] Embodiment 2

[0031] Referring to Figure 1 、 Figure 3 and Figure 4 As shown, the present application further provides a humidifier, which includes the water level control structure of a humidifier described in any one of the above, and further includes a base 5, a fan assembly 6, a humidifying mesh assembly 7, and a humidifying chamber 8. The humidifying chamber 8 and the water tank 2 are respectively disposed at both ends of the base 5 and are separated. The water tank 1 is disposed at the bottom of the humidifying chamber 8. The humidifying mesh assembly 7 is disposed in the humidifying chamber 8 and is located above the water tank 1. A water pump 14 is disposed in the water tank 1. The water pump 14 can pump the water in the water tank 1 to above the humidifying mesh assembly 7 for wetting the humidifying mesh. The fan assembly 6 is disposed above the humidifying chamber 8. The fan assembly 6 can suck air into the humidifying chamber 8, pass through the wetted humidifying mesh, and then discharge it to the room from the top of the fan assembly 6 to achieve fogless humidification. The humidifier of the present application is also provided with a temperature and humidity sensor for displaying the temperature and humidity in the room.

[0032] In this embodiment, the water in the water tank 2 flows out from the water outlet of the water tank under the action of gravity, flows through the waterway switch to the water tank 1, and supplies water to the water tank 1. The first float 21 in the water tank 2 can float up and down under the action of buoyancy. When the first position detection sensor 22 detects that the position of the first float is not higher than the first preset height, it sends a water shortage signal of the water tank to the signal receiving end of the controller, the humidifier stops running, and sends a water shortage alarm to the user; the second float 11 in the water tank can float up and down under the action of buoyancy. When the second position detection sensor 12 detects that the position of the second float 11 is not higher than the second preset height, it sends a water shortage signal of the water tank to the signal receiving end of the controller, and the controller controls the waterway switch 3 to open, and the water tank 2 supplies water to the water tank 1; when the third position detection sensor 13 detects that the position of the second float 11 is not lower than the third preset height, it sends a water full signal of the water tank to the signal receiving end of the controller, and the controller controls the waterway switch 3 to close, and the water tank 2 stops supplying water to the water tank 1.

[0033] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A water level control structure for a humidifier, characterized in that: The invention comprises a water tank for supplying water to the humidifying net, a water tank for supplying water to the water tank, a water switch capable of connecting the water tank and the water tank, a first float disposed on the water tank and movable up and down, a first position detection sensor for detecting whether the position of the first float is not higher than a first preset height; a second float disposed on the water tank and movable up and down, a second position detection sensor for detecting whether the position of the second float is not higher than a second preset height, a third position detection sensor for detecting whether the position of the second float is not lower than a third preset height, and a controller; The first position detection sensor, the second position detection sensor and the third position detection sensor are respectively electrically connected to the signal receiving end of the controller to detect the water level; The controller is electrically connected to the control end of the water circuit switch to control the switch of the water circuit switch; The water level control structure is constructed so that when the water circuit switch is turned on, the water in the water tank can flow to the water tank under the action of gravity.

2. A water level control structure for a humidifier according to claim 1, characterized in that , the water circuit switch is a solenoid valve.

3. The water level control structure of a humidifier according to claim 1, characterized in that: The first float is made of magnetic material; and the first position detection sensor is a magnetic sensitive sensor.

4. The water level control structure of a humidifier according to claim 1, characterized in that: The second float is made of magnetic material; the second position detection sensor and the third position detection sensor are both magnetic sensors.

5. The water level control structure of a humidifier according to claim 1 is characterized in that ,The water level control structure also includes a filter element disposed at the water outlet of the water tank.

6. A humidifier, characterized in that , including a water level control structure of a humidifier as described in any one of claims 1-5.

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