Water level detection structure for water tank of ironing machine

By using infrared receiving transmitters and conical blocks in the water tank of the ironing machine, the problems of insensitive water level detection and large space occupancy in the prior art are solved, and more accurate and space-efficient water level detection is achieved.

CN222631888UActive Publication Date: 2025-03-18NINGBO HAOJIA ELECTRICAL APPLIANCES CO LTD
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Patent Information

Application Number
CN202420268099.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-04
Publication Date
2025-03-18
Estimated Expiration
2034-02-04

AI Technical Summary

Technical Problem

The water level detection structure of the existing ironing machine water tank takes up a large space and the detection and sensing are not sensitive. It often mistakenly indicates that there is water shortage when there is residual water in the water tank.

Method used

The water level detection method is used to cooperate with infrared receiving transmitter and conical block to determine whether there is water in the water tank by reflection of infrared light.

Benefits of technology

It reduces the space inside the water tank, improves the accuracy of water level detection, and avoids the situation of falsely indicating water shortage.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222631888U_ABST
Patent Text Reader

Abstract

The utility model discloses a water level detection structure for a water tank of an ironing machine, and belongs to the field of ironing machines. Comprising a host; the water tank body is arranged on the main machine; the fixing frame is arranged on the main machine, a water inlet pipe and a water outlet pipe are arranged on the fixing frame, the water inlet pipe communicates with the water outlet pipeline of the water tank body, and the water outlet pipe communicates with a water pump on the main machine; a conical block located on the inner wall of the water inlet pipe and close to one side of the water outlet pipe is arranged on the fixing frame; the detection assembly is arranged on the fixing frame and used for judging whether the water tank body contains water or not; the detection assembly comprises a circuit board arranged on the fixing frame and an infrared receiving and transmitting device which is arranged on the fixing frame and electrically connected with the circuit board, and the infrared receiving and transmitting device is located under the conical block. The water level detection structure for the water tank of the ironing machine has the beneficial effect that the occupied space is reduced.
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Description

Technical Field

[0001] The present application relates to the field of ironing machines, and in particular to a water level detection structure for a water tank of an ironing machine. Background Art

[0002] The water level detection structure is a common function for detecting whether the water tank of a hanging iron or a table-top electric iron is short of water. However, the water level detection structure in the prior art generally adopts a magnetic float or a capacitive sensing method for detection, which occupies the water tank space of the iron and has the disadvantages of insensitive detection sensing. It often indicates water shortage when there is still residual water in the water tank, which is not accurate. Utility Model Content

[0003] The content of this application is used to introduce concepts in a brief form, which will be described in detail in the detailed implementation section below. The content of this application is not intended to identify the key features or essential features of the technical solution claimed for protection, nor is it intended to limit the scope of the technical solution claimed for protection.

[0004] In order to solve the technical problems mentioned in the above background technology section, some embodiments of the present application provide a water level detection structure for a water tank of an ironing machine, including:

[0005] Host;

[0006] The water tank body is arranged on the main machine;

[0007] A fixing frame is arranged on the main machine, and a water inlet pipe and a water outlet pipe are arranged on the fixing frame, the water inlet pipe is connected with the water outlet pipe of the water tank body, and the water outlet pipe is connected with the water pump on the main machine; a conical block is arranged on the inner wall of the water inlet pipe and on one side close to the water outlet pipe on the fixing frame;

[0008] A detection component, arranged on a fixed frame, is used to determine whether there is water in the water tank body;

[0009] The detection component comprises a circuit board arranged on a fixing frame, an infrared receiver-transmitter arranged on the fixing frame and electrically connected to the circuit board, and the infrared receiver-transmitter is located directly below the conical block.

[0010] The present application uses the cooperation of the infrared receiver and the cone block to emit white light (synthesized light) and receive infrared light (infrared light after prism reflection). When the water in the water tank flows from the water inlet pipe to the water outlet pipe and passes through the cone block, the infrared receiver and transmitter on the circuit board works to determine whether there is water by receiving the reflected infrared light, and thus determine whether there is water in the water tank.

[0011] Furthermore, two detection holes are provided on the circuit board for the light from the infrared receiver transmitter to pass through.

[0012] Furthermore, the cone angle of the conical block is arranged in a direction opposite to the water inlet direction of the water inlet pipe, and the conical block is a prism reflection device.

[0013] Furthermore, the water inlet pipe is connected to the water outlet pipe and is vertically arranged.

[0014] Furthermore, the water inlet pipe is provided with a water inlet joint for communicating with the water outlet pipe of the water tank body.

[0015] Furthermore, the diameter b of the water outlet pipe is smaller than the height a of the conical block.

[0016] Furthermore, the fixing frame includes a base arranged on the main machine and a connecting plate arranged on the base; the water inlet pipe and the water outlet pipe are located on the connecting plate.

[0017] Furthermore, the connecting plate is a fully transparent plastic part.

[0018] Furthermore, the fixing frame also includes a first connecting column fixed on the base, the first connecting column is provided with an internal thread, and the connecting plate is provided with a first through hole matching with the first connecting column.

[0019] Furthermore, the fixing frame also includes a second connecting column fixed on the connecting plate, the second connecting column is provided with an internal thread, and the circuit board is provided with a second through hole matching with the second connecting column.

[0020] The beneficial effect of the present application is that it provides a water level detection structure for an ironing machine water tank which reduces the occupied space. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The illustrative embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application.

[0022] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the components and elements are not necessarily drawn to scale.

[0023] In the attached picture:

[0024] Figure 1 is an overall schematic diagram according to an embodiment of the present application;

[0025] Figure 2 It is a structural schematic diagram of a part of the embodiment, mainly showing a fixing frame 1;

[0026] Figure 3 It is a structural schematic diagram of a part of the embodiment, mainly showing a fixing frame 2;

[0027] Figure 4 It is a structural schematic diagram of a part of the embodiment, mainly showing a fixing frame three;

[0028] Figure 5 It is a schematic structural diagram of a part of the embodiment, mainly showing a conical block.

[0029] Reference numerals:

[0030] 1. Main unit; 2. Water tank body; 3. Fixing bracket; 4. Detection assembly; 5. Water inlet pipe; 6. Water outlet pipe; 7. First pipeline; 8. Second pipeline; 9. Base; 10. Connecting plate; 11. First connecting column; 12. Second connecting column; 13. First through hole; 14. Conical block; 15. Circuit board; 16. Second through hole; 17. Detection hole; 18. Water inlet joint. DETAILED DESCRIPTION

[0031] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0032] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0033] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0034] It should be noted that the modifications of "one" and "plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0035] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0036] Reference Figure 1-5, used for the water level detection structure of the water tank of the ironing machine, comprising a main unit 1, a water tank body 2, a fixing frame 3, and a detection component 4; the water tank body 2 is arranged on the main unit 1, the fixing frame 3 is fixedly arranged on the main unit 1 and is located above the water tank body 2, and the detection component 4 is arranged on the fixing frame 3. The fixing frame 3 has an inlet pipe 5 and an outlet pipe 6, one end of the inlet pipe 5 is connected to the outlet pipe of the water tank body 2 through a first pipe 7, and one end of the outlet pipe 6 is connected to the water pump on the main unit or the water inlet of the filter device on the ironing machine through a second pipe 8; the inlet pipe 5 and the outlet pipe 6 are connected to each other and are arranged vertically, and the first pipe 7 and the second pipe 8 are bent. The outlet pipe 6 is arranged perpendicular to the inlet pipe 5, shortening the length of the outlet pipe 6 in the radial direction, avoiding the pipe being too long and occupying space, so that the entire structure of the fixing frame 3 is small and compact, and reduces the space occupied by the main unit 1, and is reasonably arranged. The detection component 4 is installed on the fixing frame 3, reducing the space occupied inside the water tank body 2 and increasing the water storage capacity of the water tank body 2.

[0037] One end of the water inlet pipe 5 is connected with a water inlet joint 18, and one end of the water inlet joint 18 is connected to the first pipeline 7. Through the action of the water inlet joint 18, the stability of the water inlet is improved to improve the reliability of the detection.

[0038] The fixing frame 3 includes a base 9, a connecting plate 10, a first connecting column 11, and a second connecting column 12; the base 9 is fixedly arranged on the main unit 1, the connecting plate 10 is abutted and connected to the base 9, the first connecting column 11 is fixedly arranged on the base 9, and a first through hole 13 matching with the first connecting column 11 is opened on the connecting plate 10; the second connecting column 12 is fixedly arranged on the connecting plate 10, and the first connecting column 11 and the second connecting column 12 are both provided with internal threads. Among them, the water inlet pipe 5 and the outlet pipe are respectively arranged on the connecting plate 10.

[0039] The connecting plate 10 is a fully transparent plastic part.

[0040] The connecting plate 10 is provided with a conical block 14, which is located on the inner wall of the water inlet pipe 5 and on the side close to the water outlet pipe 6, and the cone angle of the conical block 14 is set opposite to the water inlet direction of the water inlet pipe 5. The conical block 14 is a prism reflection device.

[0041] The diameter b of the water outlet pipe 6 is smaller than the height a of the conical block 14 .

[0042] The detection assembly 4 includes a circuit board 15 and an infrared receiver-transmitter; the circuit board 15 is fixedly arranged on the connecting plate 10, and a second through hole 16 matching the second connecting column 12 is provided on the circuit board 15, and the infrared receiver-transmitter is installed on the connecting plate 10, and the circuit board 15 is electrically connected to the infrared receiver-transmitter, and the infrared receiver-transmitter is located directly below the conical block 14. Two detection holes 17 are provided on the circuit board 15, and the two detection holes 17 correspond to the receiving and transmitting positions of the infrared receiver-transmitter, respectively, so as to reduce the contact and interference between the received light and the emitted light, thereby ensuring the accuracy of the detection. The infrared receiver-transmitter is used to emit white light (synthesized light) and receive (infrared light after prism reflection) infrared light. When the water in the water tank flows from the water inlet pipe 5 to the water outlet pipe 6 and passes through the conical block 14, the infrared receiver-transmitter on the circuit board 15 works, and judges whether there is water by receiving the reflected infrared light, so as to judge whether there is water in the water tank.

[0043] The above descriptions are only some preferred embodiments of the present disclosure and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by a specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned inventive concept. For example, the above-mentioned features are replaced with the technical features with similar functions disclosed in the embodiments of the present disclosure (but not limited to) and the technical solutions formed.

Claims

1. A water level detection structure for a water tank of an ironing machine, comprising: Host; A water tank body, arranged on the main machine; Features: The water level detection structure for the water tank of the ironing machine also includes: A fixing frame is arranged on the main unit, and a water inlet pipe and a water outlet pipe are arranged on the fixing frame, wherein the water inlet pipe is connected to the water outlet pipe of the water tank body, and the water outlet pipe is connected to the water pump on the main unit; the fixing frame is provided with a tapered block located on the inner wall of the water inlet pipe and close to one side of the water outlet pipe; A detection component, arranged on the fixing frame, for judging whether there is water in the water tank body; The detection component comprises a circuit board arranged on the fixing frame, and an infrared receiver-transmitter arranged on the fixing frame and electrically connected to the circuit board. The infrared receiver-transmitter is located directly below the conical block.

2. The water level detection structure for the water tank of an ironing machine according to claim 1, characterized in that: The circuit board is provided with two detection holes for the light of the infrared receiving transmitter to pass through.

3. The water level detection structure for the water tank of an ironing machine according to claim 1, characterized in that: The cone angle of the cone block is arranged in a direction opposite to the water inlet direction of the water inlet pipe, and the cone block is a prism reflection device.

4. The water level detection structure for the water tank of an ironing machine according to claim 1, characterized in that: The water inlet pipe is communicated with the water outlet pipe and is vertically arranged.

5. The water level detection structure for the water tank of an ironing machine according to claim 1, characterized in that: The water inlet pipe is provided with a water inlet joint for communicating with the water outlet pipe of the water tank body.

6. The water level detection structure for the water tank of an ironing machine according to claim 1, characterized in that: The diameter b of the water outlet pipe is smaller than the height a of the conical block.

7. The water level detection structure for the water tank of an ironing machine according to claim 1, characterized in that: The fixing frame comprises a base arranged on the main machine and a connecting plate arranged on the base; the water inlet pipe and the water outlet pipe are located on the connecting plate.

8. The water level detection structure for the water tank of an ironing machine according to claim 7, characterized in that: The connecting plate is a fully transparent plastic part.

9. The water level detection structure for the water tank of an ironing machine according to claim 7, characterized in that: The fixing frame further comprises a first connecting column fixedly arranged on the base, an internal thread is arranged in the first connecting column, and a first through hole matched with the first connecting column is opened in the connecting plate.

10. The water level detection structure for the water tank of an ironing machine according to claim 7, characterized in that: The fixing frame also includes a second connecting column fixedly arranged on the connecting plate, the second connecting column is provided with an internal thread, and the circuit board is provided with a second through hole matched with the second connecting column.