Water detection structure

Abstract

The utility model provides a water detection structure, and relates to the technical field of humidifiers. A conductive device of the water detection structure is inserted into a water tank, the bottom end of the conductive device extends to the bottom of the water tank, the conductive device comprises a first conductive end and a second conductive end, and the first conductive end is electrically connected with the second conductive end through water in the water tank. The conductive device is used for sending a power-off signal to the water shortage detection module after the first conductive end and the second conductive end are disconnected; the water shortage detection module is connected with the conductive device, and the water shortage detection module is used for supplying power to the conductive device and triggering to generate a water shortage signal after receiving the power-off signal. Whether the water tank lacks water or not is detected through power-on and power-off of the conductive device, water shortage detection can be achieved through a simple structure, cost is low, errors are not prone to occurring, accuracy is high, and use experience is effectively improved.

Description

Technical Field

[0001] The present application relates to the technical field of humidifiers, and in particular to a water detection structure. Background Art

[0002] With the development of economy and the improvement of people's living standards, people have higher and higher requirements for quality of life and health. To meet this requirement, humidifiers have gradually entered many families around the world and become an indispensable small household appliance in families in dry areas.

[0003] As a household appliance that increases the humidity in a room, a humidifier needs to keep the water tank from being short of water during use. Therefore, the humidifier needs to have a water shortage detection function. In the prior art, the water detection structure of the humidifier is a float structure, which detects the water level and issues a water shortage alarm based on the water level detection result. However, the float structure is composed of multiple components, which is complex and costly. It is also easy to get stuck or misalign the components in the float structure, resulting in false alarms or failure to detect, which has low accuracy and reduces the user experience. Utility Model Content

[0004] The embodiment of the present application provides a water detection structure, which can solve the problems of the existing water shortage structure, which is high cost, easy to make mistakes, low accuracy and poor user experience. To achieve this purpose, the embodiment of the present application provides the following solutions.

[0005] According to one aspect of an embodiment of the present application, a water detection structure is provided for a humidifier, the water detection structure comprising a conductive device and a water shortage detection module, the conductive device is inserted into a water tank, and the bottom end of the conductive device extends to the bottom of the water tank, the conductive device comprises a first conductive end and a second conductive end, the first conductive end is electrically connected to the second conductive end through water in the water tank, and the conductive device is used to send a power-off signal to the water shortage detection module after the first conductive end and the second conductive end are disconnected;

[0006] The water shortage detection module is connected to the conductive device, and is used to supply power to the conductive device and trigger the generation of a water shortage signal after receiving the power-off signal.

[0007] In a possible implementation, the conductive device includes a first conductive rod and a second conductive rod that are spaced apart, at least a portion of the first conductive end is located at the bottom of the first conductive rod, and at least a portion of the second conductive end is located at the bottom of the second conductive rod.

[0008] In a possible implementation, the first conductive rod and the second conductive rod are made of a corrosion-resistant material, and the corrosion-resistant material includes 316L stainless steel.

[0009] In one possible implementation, the water shortage detection module includes a water shortage detection circuit, a detection end of the water shortage detection circuit supplies power to the first conductive end and the second conductive end, and receives the power-off signal through the detection end, and the power-off signal is at least one of a voltage signal and a current signal.

[0010] In a possible implementation, the water shortage detection module further includes a connector, a signal receiving end of the connector is connected to the first conductive end and the second conductive end, and a signal output end of the connector is connected to the water shortage detection circuit.

[0011] In a possible implementation, the connector is located on the top of the water tank, and the connector is detachably connected to the conductive device.

[0012] In one possible implementation, the humidifier includes an upper shell and a lower shell, the upper shell is detachably connected to the lower shell, the water tank is formed inside the lower shell, the top of the conductive device protrudes from the top of the lower shell, the connector is disposed in the upper shell, and the signal receiving end of the connector extends out of the upper shell and is opposite to the top of the conductive device.

[0013] In a possible implementation, the humidifier further includes an air duct, the upper shell surrounds the air duct, and the connector is located between the air duct and the upper shell.

[0014] In a possible implementation, the bottom of the air duct is communicated with the water tank, the humidifier further includes a waterproof shell installed in the air duct, and at least a portion of the water shortage detection module is fixed in the waterproof shell.

[0015] In one possible implementation, the connector includes a first signal receiving end and a second signal receiving end, the first signal receiving end and the second signal receiving end extend in a direction away from the upper shell, and the first signal receiving end and the second signal receiving end are located on the surface of the upper shell to form contacts for connecting to the conductive device.

[0016] The beneficial effects of the technical solution provided by the embodiment of the present application are:

[0017] The water detection structure provided by the present application includes a conductive device and a water shortage detection module. The conductive device is inserted into the water tank, and the bottom end of the conductive device extends to the bottom of the water tank. The conductive device includes a first conductive end and a second conductive end. The first conductive end is electrically connected to the second conductive end through the water in the water tank. The conductive device is used to send a power-off signal to the water shortage detection module after the first conductive end and the second conductive end are disconnected; the water shortage detection module is connected to the conductive device, and is used to supply power to the conductive device and trigger the generation of a water shortage signal after receiving the power-off signal. The embodiment of the present application detects whether the water tank is short of water by turning the conductive device on and off. Water shortage detection can be achieved through a simple structure, with low cost, not prone to errors, high accuracy, and effectively improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in describing the embodiments of the present application.

[0019] Figure 1 A structural diagram of a humidifier provided in an embodiment of the present application;

[0020] Figure 2 for Figure 1 A cross-sectional view of the humidifier along line AA;

[0021] Figure 3 for Figure 2 Cross-sectional view of the middle and lower shell;

[0022] Figure 4 A bottom view of the upper shell of the humidifier provided in an embodiment of the present application;

[0023] Figure 5 for Figure 3 Cross-sectional view of the middle and upper shell along line BB.

[0024] Description of the accompanying drawings: 11, upper shell; 12, lower shell; 2, top cover; 31, first conductive rod; 32, second conductive rod; 4, connector; 41, bottoming; 421, first signal receiving end; 422, second signal receiving end. DETAILED DESCRIPTION

[0025] The embodiments of the present application are described below in conjunction with the drawings in the present application. It should be understood that the implementation methods described below in conjunction with the drawings are exemplary descriptions for explaining the technical solutions of the embodiments of the present application and do not constitute a limitation on the technical solutions of the embodiments of the present application.

[0026] It will be understood by those skilled in the art that, unless specifically stated, the singular forms "one", "said", and "the" used herein may also include plural forms. It should be further understood that the terms "including" and "comprising" used in the embodiments of the present application refer to that the corresponding features can be implemented as the presented features, information, data, steps, operations, elements and / or components, but do not exclude the implementation of other features, information, data, steps, operations, elements, components and / or combinations thereof supported by the present technical field. It should be understood that when we say that an element is "connected" or "coupled" to another element, the one element may be directly connected or coupled to the other element, or it may refer to that the one element and the other element establish a connection relationship through an intermediate element. In addition, the "connection" or "coupling" used herein may include wireless connection or wireless coupling. The term "and / or" used herein indicates at least one of the items defined by the term, for example, "A and / or B" indicates that it is implemented as "A", or is implemented as "A", or is implemented as "A and B".

[0027] In order to make the objectives, technical solutions and advantages of the present application clearer, the implementation methods of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0028] The following describes several exemplary embodiments to illustrate the technical solutions of the embodiments of the present application and the technical effects produced by the technical solutions of the present application. It should be noted that the following embodiments can refer to, draw on or combine with each other, and the same terms, similar features and similar implementation steps in different embodiments will not be described repeatedly.

[0029] The water detection structure provided in the present application is intended to solve at least one technical problem existing in the prior art.

[0030] The present application provides a water detection structure, such as Figure 1-Figure 5 As shown, the water detection structure includes a conductive device and a water shortage detection module. The conductive device is inserted into the water tank, and the bottom end of the conductive device extends to the bottom of the water tank. The conductive device includes a first conductive end and a second conductive end. The first conductive end is electrically connected to the second conductive end through the water in the water tank. The conductive device is used to send a power-off signal to the water shortage detection module after the first conductive end and the second conductive end are disconnected; the water shortage detection module is connected to the conductive device, and the water shortage detection module is used to supply power to the conductive device and trigger the generation of a water shortage signal after receiving the power-off signal.

[0031] Optionally, the first conductive end and the second conductive end of the conductive device form a current loop through the water tank in the water tank. The current loop can be used to transmit direct current or alternating current, and the water shortage detection module can be connected to the current loop to obtain a power-off signal by detecting the on-off of the current loop or the voltage and current changes in the current loop.

[0032] Optionally, the conductive device can be embedded in the side wall of the water tank, and the first conductive end and the second conductive end can be exposed from the side wall of the water tank. The exposed positions of the first conductive end and the second conductive end can be set according to the water shortage detection requirements (such as the water level below which value is determined to be currently water shortage).

[0033] In one embodiment, the middle area of ​​the bottom of the water tank is raised to form a boss, the side surface of the boss forms an annular recessed area, and the bottom of the conductive device extends into the annular recessed area.

[0034] Optionally, to simplify the structure of the conductive device, the conductive device includes a first conductive rod 31 and a second conductive rod 32 arranged at intervals, at least a portion of the first conductive end is located at the bottom of the first conductive rod 31, and at least a portion of the second conductive end is located at the bottom of the second conductive rod 32.

[0035] Optionally, the first conductive rod 31 and the second conductive rod 32 can be arranged side by side, and the distance between the first conductive rod 31 and the second conductive rod 32 can be set according to the voltage of the electrical signal received by the conductive device, the conductivity of the water in the water tank and the signal detection sensitivity of the water shortage detection module.

[0036] Optionally, the first conductive rod 31 and the second conductive rod 32 are made of corrosion-resistant materials, including 316L stainless steel. The corrosion-resistant material may also be aluminum alloy, copper, or other materials that are not corroded in water for a long time.

[0037] In one embodiment, when water shortage is detected, the potentials on the first conductive rod 31 and the second conductive rod 32 are different, and a current that can be used for water shortage detection is formed by the potential difference between the two. In order to protect the human body and prevent the conductive device from failing, the first conductive rod 31 and the second conductive rod 32 are made of 316L stainless steel.

[0038] Optionally, the water shortage detection module includes a water shortage detection circuit, a detection end of the water shortage detection circuit supplies power to the first conductive end and the second conductive end, and receives a power-off signal through the detection end, and the power-off signal is at least one of a voltage signal and a current signal.

[0039] Optionally, the water shortage detection module may further include an indication circuit, which may be provided with a light emitting diode, a digital tube, a display, and other devices capable of indicating whether there is a water shortage. The water shortage detection module may also be provided with an alarm circuit, through which an alarm sound is emitted or an alarm message is sent to a user terminal (such as a mobile phone).

[0040] Optionally, the water shortage detection module can be arranged at the upper part of the humidifier, and the water tank can be installed at the lower part of the humidifier. In order to facilitate water addition and cleaning of the water tank, the lower part of the humidifier is detachably connected to the upper part of the humidifier. In order to connect the water shortage detection module and the conductive device, the water shortage detection module also includes a connector 4, a signal receiving end of the connector 4 is connected to the first conductive end and the second conductive end, and a signal output end of the connector 4 is connected to the water shortage detection circuit.

[0041] Optionally, the connector 4 can be electrically connected to the water shortage detection circuit, so as to transmit the electric energy transmitted by the water shortage detection circuit to the conductive device or transmit the power-off signal to the water shortage detection circuit. The connector 4 can also be wirelessly connected to the water shortage detection circuit. After receiving the power supply signal of the water shortage detection circuit, the connector 4 supplies power to the conductive device and transmits the power-off signal generated by the conductive device to the water shortage detection circuit.

[0042] Optionally, the connector 4 is located at the top of the water tank, and the connector 4 is detachably connected to the conductive device. When the water tank is cleaned or otherwise separated from the water tank, the connector 4 can be separated from the conductive device.

[0043] Optionally, the humidifier includes an upper shell 11 and a lower shell 12, the upper shell 11 and the lower shell 12 are detachably connected, a water tank is formed inside the lower shell 12, the top of the conductive device protrudes from the top of the lower shell 12, the connector 4 is arranged in the upper shell 11, and the signal receiving end of the connector 4 extends out of the upper shell 11 and is opposite to the top of the conductive device.

[0044] In one embodiment, in order to facilitate the installation of the upper shell 11 and the lower shell 12 and the alignment of the connector 4 and the conductive device, an alignment groove is formed at the bottom of the upper shell 11 at a position opposite to the top of the conductive device, and the signal output end of the connector 4 is located in the alignment groove. An alignment protrusion is formed at the top of the lower shell 12 at the position where the top of the conductive device is located, and the top of the conductive device extends into the alignment groove along the alignment protrusion and is connected to the signal output end in the alignment groove.

[0045] Optionally, the humidifier further includes an air duct, the upper shell 11 surrounds the air duct, a gap is formed between the air duct and the upper shell 11, and the connector 4 is located in the gap between the air duct and the upper shell 11. The humidifier further includes a top cover 2, which is installed on the top of the upper shell 11 and the air duct, and the area of ​​the top cover 2 corresponding to the gap is a watertight structure to prevent water from contacting the connector 4, and the area of ​​the top cover 2 opposite to the air duct is a porous structure.

[0046] Optionally, to facilitate water addition, the bottom of the air duct is connected to the water tank, and the humidifier further includes a waterproof shell installed in the air duct, and at least a part of the water shortage detection module is fixed in the waterproof shell.

[0047] In one embodiment, a fixing hole for fixing the waterproof shell is provided in the middle of the top cover 2, and a part of the water shortage detection module is located in the fixing hole. A driving motor can also be provided in the waterproof shell, and a wind wheel is provided at the bottom of the waterproof shell, and a driving rod of the driving motor is connected to the wind wheel.

[0048] Optionally, the connector 4 includes a first signal receiving end 421 and a second signal receiving end 422, the first signal receiving end 421 and the second signal receiving end 422 extend in a direction away from the upper shell 11, and the first signal receiving end 421 and the second signal receiving end 422 are located on the surface of the upper shell 11 to form a contact 41 for connecting with a conductive device. The size of the top end of the first conductive rod 31 and the second conductive rod 32 corresponds to the size of the contact 41.

[0049] The water detection structure of the embodiment of the present application includes a conductive device and a water shortage detection module. The conductive device is inserted into the water tank, and the bottom end of the conductive device extends to the bottom of the water tank. The conductive device includes a first conductive end and a second conductive end. The first conductive end is electrically connected to the second conductive end through the water in the water tank. The conductive device is used to send a power-off signal to the water shortage detection module after the first conductive end and the second conductive end are disconnected; the water shortage detection module is connected to the conductive device, and is used to supply power to the conductive device and trigger the generation of a water shortage signal after receiving the power-off signal. The embodiment of the present application detects whether the water tank is short of water by turning the conductive device on and off. Water shortage detection can be achieved through a simple structure, with low cost, not prone to errors, high accuracy, and effectively improving the user experience.

[0050] The terms "first", "second", "third", "fourth", "1", "2", etc. (if any) in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than that shown or described in the drawings.

[0051] It should be understood that, although each operation step is indicated by arrows in the flowchart of the embodiment of the present application, the implementation order of these steps is not limited to the order indicated by the arrows. Unless clearly stated herein, in some implementation scenarios of the embodiment of the present application, the implementation steps in each flowchart can be performed in other orders according to demand. In addition, some or all of the steps in each flowchart may include multiple sub-steps or multiple stages based on actual implementation scenarios. Some or all of these sub-steps or stages may be executed at the same time, and each sub-step or stage in these sub-steps or stages may also be executed at different times respectively. In different scenarios of execution time, the execution order of these sub-steps or stages may be flexibly configured according to demand, and the embodiment of the present application does not limit this.

[0052] The above is only an optional implementation method for some implementation scenarios of the present application. It should be pointed out that for ordinary technicians in this technical field, without departing from the technical concept of the solution of the present application, other similar implementation methods based on the technical ideas of the present application are also within the protection scope of the embodiments of the present application.

Claims

1. A water detection structure, characterized in that: Used in a humidifier, the water detection structure comprises a conductive device and a water shortage detection module, the conductive device is inserted into a water tank, and the bottom end of the conductive device extends to the bottom of the water tank, the conductive device comprises a first conductive end and a second conductive end, the first conductive end is electrically connected to the second conductive end through the water in the water tank, and the conductive device is used to send a power-off signal to the water shortage detection module after the first conductive end and the second conductive end are disconnected; The water shortage detection module is connected to the conductive device, and is used to supply power to the conductive device and trigger the generation of a water shortage signal after receiving the power-off signal.

2. The water detection structure according to claim 1, characterized in that: The conductive device comprises a first conductive rod and a second conductive rod which are spaced apart from each other, at least a portion of the first conductive end is located at the bottom of the first conductive rod, and at least a portion of the second conductive end is located at the bottom of the second conductive rod.

3. The water detection structure according to claim 2, characterized in that: The first conductive rod and the second conductive rod are made of corrosion-resistant material, and the corrosion-resistant material includes 316L stainless steel.

4. The water detection structure according to claim 1, characterized in that: The water shortage detection module includes a water shortage detection circuit, a detection end of the water shortage detection circuit supplies power to the first conductive end and the second conductive end, and receives the power-off signal through the detection end, and the power-off signal is at least one of a voltage signal and a current signal.

5. The water detection structure according to claim 4, characterized in that: The water shortage detection module further includes a connector, a signal receiving end of the connector is connected to the first conductive end and the second conductive end, and a signal output end of the connector is connected to the water shortage detection circuit.

6. The water detection structure according to claim 5, characterized in that: The connector is located on the top of the water tank, and the connector is detachably connected to the conductive component.

7. The water detection structure according to claim 5, characterized in that: The humidifier includes an upper shell and a lower shell, the upper shell is detachably connected to the lower shell, the water tank is formed inside the lower shell, the top end of the conductive device protrudes from the top of the lower shell, the connector is arranged in the upper shell, and the signal receiving end of the connector extends out of the upper shell and is opposite to the top end of the conductive device.

8. The water detection structure according to claim 7, characterized in that: The humidifier further includes an air duct, the upper shell surrounds the air duct, and the connector is located between the air duct and the upper shell.

9. The water detection structure according to claim 8, characterized in that: The bottom of the air duct is communicated with the water tank. The humidifier further comprises a waterproof shell installed in the air duct. At least a part of the water shortage detection module is fixed in the waterproof shell.

10. The water detection structure according to claim 7, characterized in that: The connector includes a first signal receiving end and a second signal receiving end, the first signal receiving end and the second signal receiving end extend in a direction away from the upper shell, and the first signal receiving end and the second signal receiving end are located on the surface of the upper shell to form contacts for connecting with the conductive device.

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