CN212611506U - Liquid level detection device in detergent box, detergent box and washing machine - Google Patents
Liquid level detection device in detergent box, detergent box and washing machine Download PDFInfo
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- CN212611506U CN212611506U CN202020677195.4U CN202020677195U CN212611506U CN 212611506 U CN212611506 U CN 212611506U CN 202020677195 U CN202020677195 U CN 202020677195U CN 212611506 U CN212611506 U CN 212611506U
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Abstract
The utility model provides a liquid level detection device in a detergent box, which comprises a detection body, wherein the detection body comprises a guide post, a floating ball and an induction component; the sensing assembly comprises a first sensing element and a second sensing element, the first sensing element is close to the second sensing element, and the second sensing element obtains a sensing signal; the floating ball is embedded on the guide post, the first sensing element is arranged inside the floating ball, the second sensing assemblies are fixedly arranged on the side wall of the detergent box, and the floating ball moves up and down along with the lifting of the liquid level in the detergent box, so that the second sensing assemblies obtain sensing signals of the floating ball at different liquid levels. The utility model discloses still relate to a detergent box, washing machine. The detection body of the utility model has simple structure and is easy to realize; in addition, the shape of the floating ball is set to be a curved surface, so that the detergent with viscosity is not easy to attach to the floating ball, and the inaccuracy of the detection result caused by the fact that the floating ball is hung on the guide post is avoided.
Description
Technical Field
The utility model relates to a liquid level detection field especially relates to a liquid level detection device in detergent box.
Background
With the improvement of living standard of people, the washing machines on the market at present have automatic putting devices, and the automatic putting devices generally automatically put the washing liquid pre-stored in the washing agent box through a liquid pumping system. Some washing machines are provided with a detection device for detecting the detergent residue in the washing box, such as a resistance type liquid level sensor, an air pressure type liquid level sensor and the like, and have the disadvantages of complex structure, complex installation process and high input cost.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a liquid level detection device in a detergent box.
The utility model discloses a sensor signal when guide post, floater, response subassembly obtain different liquid levels in the detergent box.
The utility model provides a liquid level detection device in a detergent box, which comprises a detection body, wherein the detection body comprises a guide post, a floating ball and an induction component; wherein the content of the first and second substances,
the induction assembly comprises a first induction element and a second induction element, the first induction element is close to the second induction element, and the second induction element obtains induction signals;
one end of the guide post is fixedly arranged at the bottom of the detergent box, and the guide post is used for guiding the moving direction of the floating ball;
the floating ball is embedded in the guide post, the first sensing element is installed inside the floating ball, the second sensing assemblies are fixedly installed on the side wall of the detergent box, and the floating ball moves up and down along with the lifting of the liquid level in the detergent box, so that the second sensing assemblies obtain sensing signals of the floating ball at different liquid levels.
Preferably, the shape of the floating ball is a curved surface.
Preferably, the floating ball includes a first through hole, the guide post penetrates through the first through hole, the diameter of the first through hole is larger than the outer diameter of the guide post, and the floating ball moves along the axial direction of the guide post.
Preferably, the guide post comprises an accommodating cavity, the accommodating cavity is used for accommodating the floating ball, and the floating ball moves up and down along with the lifting of the liquid level of the detergent in the accommodating cavity.
Preferably, the side surface of the guide post comprises a plurality of second through holes, and the second through holes are used for communicating the accommodating cavity with the detergent box.
Preferably, at least one of the second through holes is disposed near a bottom of the detergent box.
Preferably, the floating ball is a sphere.
Preferably, the floating ball comprises two cones, the bottom surfaces of the two cones are coplanar, and the two cones are integrally formed.
The utility model also provides a detergent box, which comprises a liquid level detection device and a shell in the detergent box; wherein the content of the first and second substances,
the shell is a container with an opening at the upper end, and detergent solution is stored in the container with the opening;
the guide post is vertically arranged at the bottom of the shell;
the second sensing element is mounted on a side wall of the housing, and the guide post is proximate to the second sensing element.
Preferably, the guide post structure further comprises a top cover, a gap is arranged between the top cover and the shell in the horizontal direction, and one end of the guide post is located in the gap.
The utility model also provides a washing machine, include a detergent box.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a liquid level detection device in a detergent box, which comprises a guide post, a floating ball, a first induction element and a second induction element, wherein the first induction element moves up and down along with the lifting of the liquid level in the detergent box; when the first sensing element is close to the second sensing element, the second sensing element obtains a sensing signal to obtain the sensing signal of the floating ball at different liquid levels, and the device is simple in structure and easy to realize; in addition, the shape of the floating ball is set to be a curved surface, so that the detergent with viscosity is not easy to attach to the floating ball, and the inaccuracy of the detection result caused by the fact that the floating ball is hung on the guide post is avoided.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of a liquid level detection device in a detergent box according to the present invention;
FIG. 2 is a schematic structural view of a guide post of the liquid level detection device in the detergent box according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a guide post and a floating ball of the liquid level detecting device in the detergent box according to another embodiment of the present invention;
FIG. 4 is a schematic view of the liquid level detecting device in the detergent box according to another embodiment of the present invention, wherein the guide post is separated from the floating ball;
FIG. 5 is a schematic view of another angle of the liquid level detecting device in the detergent box according to the present invention;
FIG. 6 is a schematic structural view of a detergent box of the present invention;
reference numerals: 100. detergent box, 10, casing, 110, lateral wall, 20, top cover, 310, guide post, 311, second through-hole, 320, floater, 321, first cone, 322, second cone, 331, second inductive element, 332, signal line.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
The utility model provides a liquid level detection device in a detergent box 100, which comprises a detection body, as shown in figures 1-3, wherein the detection body comprises a guide post 310, a floating ball 320 and an induction component; the sensing component comprises a first sensing element and a second sensing element 331, the first sensing element is close to the second sensing element 331, and the second sensing element 331 obtains a sensing signal; one end of the guide pillar 310 is fixedly installed at the bottom of the detergent box 100, and the guide pillar 310 is used for guiding the moving direction for the floating ball 320; the floating ball 320 is embedded on the guide post 310, the first sensing element is installed inside the floating ball 320, the plurality of second sensing elements are fixedly installed on the sidewall 110 of the detergent box 100, and the floating ball 320 moves up and down along with the rise and fall of the liquid level in the detergent box 100, so that the second sensing elements obtain sensing signals of the floating ball 320 at different liquid levels. The first and second sensing elements 331 are magnetic sensing elements, the sidewall 110 of the detergent box 100 is provided with a plurality of second sensing elements 331 in the vertical direction, when the floating ball 320 goes up and down along with the liquid level in the detergent box 100, the first sensing element in the floating ball 320 approaches the second sensing element 331, the second sensing element 331 senses a signal and sends the detected signal to the main control board through the signal line 332, and the main control board displays the signal through the indicator lamp after processing the signal. Such as: when the second sensing element 331 senses the floating ball 320, the floating ball 320 is located at 20% of the total liquid level in the detergent box 100, the main control board receives the signal and then sends an instruction to the yellow light, and the yellow light is turned on to remind a user of adding detergent in time.
The float 320 is a float having any shape that floats on the liquid surface in the detergent box 100, and the float 320 moves up and down with the rise and fall of the liquid surface in the detergent box 100 with the magnetic sensor mounted therein.
The detection body has a simple structure and low cost, but in the long-term use process, the floating ball 320 is easy to hang on the guide column 310 due to the viscosity of the washing solution, so that the floating ball 320 cannot move up and down along with the lifting of the washing solution, and the detection result is inaccurate. As shown in fig. 1, the conventional floating ball 320 is a column, that is, the upper and lower surfaces are flat, so that detergent is easily retained, and the floating ball 320 is easily hung on the guide column 310 due to long-time solidification or air drying, so that the floating ball 320 cannot move up and down along with the rise and fall of the detergent liquid level. In one embodiment, by configuring the shape of the floating ball 320 to be a curved surface, it is possible to effectively prevent the detergent having viscosity from being attached to the guide post 310.
In one embodiment, as shown in fig. 3, the float ball 320 includes a first through hole through which the guide post 310 passes, the first through hole having a diameter larger than an outer diameter of the guide post 310, and the float ball 320 moves in an axial direction of the guide post 310. The floating ball 320 is sleeved on the guide post 310, the guide post 310 is preferably a solid cylinder with a smaller diameter, and the guide post 310 and the detergent box 100 are integrally formed in an injection molding mode. The floating ball 320 is a cone, the first through hole penetrates through the cone, and the first through hole penetrates through the vertex of the cone. The cone is preferably a cone, the tapered floating ball 320 prevents the detergent from adhering to the surface thereof, and the detergent on the surface of the floating ball 320 flows into the detergent box 100.
Preferably, as shown in fig. 4, the floating ball 320 includes two cones, the bottom surfaces of the two cones are coplanar, the two cones include a first cone 321 and a second cone 322, the first cone 321 and the second cone 322 are preferably made of plastic material, and the first cone 321 and the second cone 322 are matched, such as sealed and connected in a snap-fit manner. First cone 321 is sealingly mounted with second cone 322 to form a cavity in which a first inductive element is mounted.
There are many kinds of detergent liquids in the market, and the concentration of each detergent liquid is different, so the volume that floater 320 leaks in the air is different for different detergent liquids, the upper portion of floater 320 is exposed in the air, and a lot of detergent liquid will adhere to the upper portion of floater 320, if the detergent liquid on the upper portion of floater 320 is always remained, it will solidify, and set up the upper portion of floater 320 as the cone, and the detergent liquid adhering to the cone will flow into detergent box 100 under the effect of gravity, will not produce and remain.
In an alternative embodiment, the guiding column 310 comprises a receiving cavity for receiving the floating ball 320, and the floating ball 320 moves up and down in the receiving cavity along with the rise and fall of the detergent liquid level. The floating ball 320 moves up and down inside the guide pole 310, the accommodating cavity is communicated with the detergent box 100, and the liquid level in the accommodating cavity is the same as the liquid level in the detergent box 100 according to the communicating vessel principle.
Specifically, the side surface of the guide pillar 310 includes a plurality of second through holes 311, a minimum size of the second through holes 311 is greater than a maximum size of the floating ball 320, and the second through holes 311 are used for communicating the receiving cavity with the detergent box 100. The second through holes 311 are uniformly distributed along the axial direction of the guide post 310, the floating ball 320 in the accommodating cavity is preferably a sphere, but may be in other shapes, and the minimum size of the second through holes 311 is larger than the maximum size of the floating ball 320 to prevent the floating ball 320 from separating from the guide post 310. When the floating ball 320 is a sphere, the detergent is not easily attached to the surface of the floating ball 320. In addition, at least one second through hole 311 is provided near the bottom of the detergent box 100, and the second through hole 311, which is located at the bottom of the guide post 310 by the principle of a communicator, communicates with the detergent solution in the detergent box 100. Preferably, the bottom end of the guide pole 310, i.e., one end of the receiving cavity, is opened away from the bottom of the detergent box 100, and it is understood that the one end of the receiving cavity is opened as the second through hole 311 or the one end of the receiving cavity is opened as the second through hole 311, and no other through hole is required to be provided on the side wall 110 of the guide pole 310.
The utility model also provides a detergent box 100, as shown in fig. 5 and 6, comprising a detection body and a shell 10, wherein the shell 10 is a container with an opening at the upper end, and detergent solution is stored in the container with the opening; the guide posts 310 are vertically installed at the bottom of the housing 10; the second sensing element 331 is mounted on the sidewall 110 of the housing 10, and the guide post 310 is close to the second sensing element 331.
Preferably, the portable terminal further comprises a top cover 20, a gap is formed between the top cover 20 and the housing 10 in the horizontal direction, and one end of the guide column 310 is located in the gap. The guide pole 310 is raised from the upper end of the housing 10, so that the floating ball 320 is prevented from being separated from the top end of the guide pole 310 when the detergent liquid is filled in the housing 10. When the floating ball 320 moves in the accommodating cavity of the guide post 310, the top end of the guide post 310 is provided with a guide post 310 cover to prevent the floating ball 320 from separating from the guide post 310.
The utility model also provides a washing machine, including a detergent box 100.
The utility model discloses a liquid level detection device in a detergent box 100, which comprises a guide post 310, a floating ball 320, a first induction element and a second induction element 331, wherein the first induction element moves up and down along with the lifting of the liquid level in the detergent box 100, the second induction element 331 is fixedly arranged on the side wall 110 of the detergent box 100, and the first induction element is arranged in the floating ball 320; when the first sensing element is close to the second sensing element 331, the second sensing element 331 obtains a sensing signal to obtain a sensing signal of the floating ball 320 at different liquid levels, and the device has a simple structure and is easy to implement; in addition, the shape of the floating ball 320 is set to be a curved surface, so that the detergent with viscosity is not easy to attach to the floating ball 320, and inaccurate detection result caused by the fact that the floating ball 320 is hung on the guide column 310 is avoided.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the utility model can be smoothly implemented by the ordinary technicians in the industry according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.
Claims (12)
1. A liquid level detection device in a detergent box is characterized by comprising a detection body, wherein the detection body comprises a guide column, a floating ball and an induction component; wherein the content of the first and second substances,
the induction assembly comprises a first induction element and a second induction element, the first induction element is close to the second induction element, and the second induction element obtains induction signals;
one end of the guide post is fixedly arranged at the bottom of the detergent box, and the guide post is used for guiding the moving direction of the floating ball;
the floating ball is embedded in the guide post, the first sensing element is installed inside the floating ball, the second sensing assemblies are fixedly installed on the side wall of the detergent box, and the floating ball moves up and down along with the lifting of the liquid level in the detergent box, so that the second sensing assemblies obtain sensing signals of the floating ball at different liquid levels.
2. The apparatus as claimed in claim 1, wherein the floating ball has a curved shape.
3. The apparatus as claimed in claim 2, wherein said floating ball includes a first through hole, said guide post penetrates said first through hole, said first through hole has a diameter larger than an outer diameter of said guide post, and said floating ball moves in an axial direction of said guide post.
4. The apparatus as claimed in claim 2, wherein the guide post comprises a receiving chamber for receiving the floating ball, and the floating ball moves up and down in the receiving chamber according to the rise and fall of the detergent liquid level.
5. The apparatus of claim 4, wherein the guide post includes a plurality of second through holes on a side thereof, a minimum dimension of the second through holes being larger than a maximum dimension of the floating ball, the second through holes being for communicating the receiving chamber with the detergent box.
6. The apparatus of claim 5, wherein at least one of the second through holes is disposed near a bottom of the detergent box.
7. The apparatus of any of claims 4-6, wherein the floating ball is a sphere.
8. The apparatus as claimed in claim 3, wherein said floating ball is a cone, said cone having said first through hole, said first through hole penetrating said cone.
9. The apparatus as claimed in claim 8, wherein said floating ball comprises two cones having bottom surfaces coplanar, said two cones being integrally formed.
10. A detergent box comprising the liquid level detection device in a detergent box according to any one of claims 1 to 9, a housing; wherein the content of the first and second substances,
the shell is a container with an opening at the upper end, and detergent solution is stored in the container with the opening;
the guide post is vertically arranged at the bottom of the shell;
the second sensing element is mounted on a side wall of the housing, and the guide post is proximate to the second sensing element.
11. The detergent box according to claim 10, further comprising a top cover, wherein a gap is provided between the top cover and the housing in a horizontal direction, and one end of the guide post is located in the gap.
12. A washing machine comprising a detergent box according to any one of claims 10 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020677195.4U CN212611506U (en) | 2020-04-28 | 2020-04-28 | Liquid level detection device in detergent box, detergent box and washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020677195.4U CN212611506U (en) | 2020-04-28 | 2020-04-28 | Liquid level detection device in detergent box, detergent box and washing machine |
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| CN212611506U true CN212611506U (en) | 2021-02-26 |
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| CN202020677195.4U Active CN212611506U (en) | 2020-04-28 | 2020-04-28 | Liquid level detection device in detergent box, detergent box and washing machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525656A (en) * | 2022-02-17 | 2022-05-24 | 珠海格力电器股份有限公司 | Liquid level detection device of detergent box, control method and washing machine |
| CN114525655A (en) * | 2022-02-17 | 2022-05-24 | 珠海格力电器股份有限公司 | Liquid level detection device of detergent box, control method and washing machine |
| WO2023029460A1 (en) * | 2021-08-30 | 2023-03-09 | 无锡小天鹅电器有限公司 | Dispenser box, dispenser assembly, detergent dispensing device, and washing apparatus |
-
2020
- 2020-04-28 CN CN202020677195.4U patent/CN212611506U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023029460A1 (en) * | 2021-08-30 | 2023-03-09 | 无锡小天鹅电器有限公司 | Dispenser box, dispenser assembly, detergent dispensing device, and washing apparatus |
| CN114525656A (en) * | 2022-02-17 | 2022-05-24 | 珠海格力电器股份有限公司 | Liquid level detection device of detergent box, control method and washing machine |
| CN114525655A (en) * | 2022-02-17 | 2022-05-24 | 珠海格力电器股份有限公司 | Liquid level detection device of detergent box, control method and washing machine |
| CN114525656B (en) * | 2022-02-17 | 2023-04-11 | 珠海格力电器股份有限公司 | Liquid level detection device of detergent box, control method and washing machine |
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