CN215639661U - Non-contact oil cup oil level induction system and range hood - Google Patents
Non-contact oil cup oil level induction system and range hood Download PDFInfo
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- CN215639661U CN215639661U CN202121453561.9U CN202121453561U CN215639661U CN 215639661 U CN215639661 U CN 215639661U CN 202121453561 U CN202121453561 U CN 202121453561U CN 215639661 U CN215639661 U CN 215639661U
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Abstract
The utility model discloses a non-contact oil cup oil level sensing device and a range hood. The utility model has the beneficial effects that: the liquid level sensor assembly is arranged above the oil cup assembly in a suspended manner, so that the non-contact oil level sensing can be realized; the reliability is high, does not contact fluid, and then can avoid the erroneous judgement, also can not influence simultaneously that the oil cup is dismantled cleanly.
Description
Technical Field
The utility model relates to an oil level sensing device, in particular to a non-contact oil cup oil level sensing device and a range hood, and belongs to the technical field of range hoods.
Background
Present range hood almost all does not possess the oil cup oil level and detects the function, and the design of producer is a transparent working of plastics of simple installation and is used for observing the oil level, because of the working of plastics undersize be not convenient for observe, simultaneously because of the oil of oil cup the inside is the miscella after the culinary art, makes the working of plastics viscose drop easily, leads to the oil leak.
People also pay attention to the oil level of the oil cup at all times; if the oil level in the oil cup is too high, the oil in the oil cup overflows and is scattered on a cooking bench or even a cooker, unnecessary troubles are caused to the cleaning of people, and even potential safety hazards are caused. In the known CN201810956193.6 patent technology, the oil level is detected by using an air pipe and an air cavity to intrude into an oil cup and using a pressure sensing technology, which has a problem that the oil level mixed oil in the oil cup is in a semi-solidified state basically in cold weather, which may cause the oil in the air cavity to hang in the cavity to form an oil film or an oil block, which may cause a sensing failure or misjudgment.
Based on this, this application provides a non-contact oil cup oil level induction system and range hood.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide a non-contact oil cup oil level sensing device and a range hood.
The utility model realizes the purpose through the following technical scheme: a non-contact oil cup oil level sensing device comprises a smoke collection cavity assembly, an oil cup assembly and a liquid level sensor assembly; an oil cup assembly is connected to the lower portion of the smoke collection cavity assembly, and a liquid level sensor assembly is installed at the bottom of the smoke collection cavity assembly.
As a still further scheme of the utility model: the liquid level sensor assembly comprises a shell structure and a capacitive liquid level sensor arranged in the shell structure. The shell structure is composed of a liquid level sensor upper cover and a liquid level sensor base, and the liquid level sensor upper cover is clamped at the upper end of the liquid level sensor base.
As a still further scheme of the utility model: and a capacitance liquid level sensor is arranged in the shell structure of the liquid level sensor assembly and is arranged in a groove formed in the base of the liquid level sensor.
The liquid level sensor assembly is composed of a liquid level sensor upper cover, a capacitor liquid level sensor and a liquid level sensor base, the liquid level sensor upper cover and the liquid level sensor base form a shell structure of the liquid level sensor assembly, the liquid level sensor upper cover is clamped at the upper end of the liquid level sensor base, and the capacitor liquid level sensor is arranged in the liquid level sensor base.
As a still further scheme of the utility model: the liquid level sensor upper cover and the liquid level sensor base are both made of silica gel materials.
As a still further scheme of the utility model: the liquid level sensor assembly is perpendicular to the bottom surface of the oil cup assembly after being arranged, and the liquid level sensor assembly is suspended above the oil cup assembly.
As a still further scheme of the utility model: the oil cup assembly is carved with a maximum capacity oil cup oil level marking, and the distance between the position of the oil cup oil level marking and the bottom surface of the liquid level sensor assembly is 8-10 mm.
As a still further scheme of the utility model: the non-contact oil cup oil level sensing device is provided with an indicator light for displaying that the oil cup is full of oil.
As a still further scheme of the utility model: and the non-contact oil cup oil level sensing device is also provided with an audible alarm.
A range hood comprises a non-contact oil cup oil level sensing device.
The utility model has the beneficial effects that: the non-contact oil cup oil level sensing device and the range hood are reasonable in design, and the liquid level sensor assembly is mounted above the oil cup assembly in a suspended manner, so that non-contact oil level sensing can be realized; the reliability is high, does not contact fluid, and then can avoid the erroneous judgement, also can not influence simultaneously that the oil cup is dismantled cleanly.
Drawings
FIG. 1 is a schematic view of the connection structure of a smoke collection chamber and an oil cup according to the present invention;
FIG. 2 is a schematic view of the liquid level sensor assembly of the present invention;
fig. 3 is a schematic structural view of the oil cup assembly of the present invention.
In the figure: 1. the device comprises a smoke collection cavity assembly, 2-1 parts of a liquid level sensor upper cover, 2-2 parts of a capacitance liquid level sensor, 2-3 parts of a liquid level sensor base, 3 parts of an oil cup assembly, 3-1 parts of an oil cup and an oil level marking line.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 to 3, a non-contact oil cup oil level sensing device includes a smoke collection chamber assembly 1, an oil cup assembly 3 and a liquid level sensor assembly; the lower part of the smoke collection cavity component 1 is connected with an oil cup component 3, and the bottom of the smoke collection cavity component 1 is provided with a liquid level sensor component.
In an embodiment of the utility model, the liquid level sensor assembly comprises a housing structure and a capacitive liquid level sensor 2-2. The shell structure is composed of a liquid level sensor upper cover 2-1 and a liquid level sensor base 2-3, and the liquid level sensor upper cover 2-1 is clamped at the upper end of the liquid level sensor base 2-3.
In the embodiment of the utility model, a shell structure of the liquid level sensor assembly is internally provided with a capacitance liquid level sensor 2-2, and the capacitance liquid level sensor 2-2 is arranged in a groove formed in a liquid level sensor base 2-3.
In the embodiment of the utility model, the upper cover 2-1 and the base 2-3 of the liquid level sensor are both made of silica gel.
In the embodiment of the utility model, the liquid level sensor assembly is arranged to be perpendicular to the bottom surface of the oil cup assembly 3, and the liquid level sensor assembly is suspended above the oil cup assembly 3 to realize non-contact induction with the oil cup.
Example two
Referring to fig. 1 to 3, a non-contact oil cup oil level sensing device includes a smoke collection chamber assembly 1, an oil cup assembly 3 and a liquid level sensor assembly; the lower part of the smoke collection cavity component 1 is connected with an oil cup component 3, and the bottom of the smoke collection cavity component 1 is provided with a liquid level sensor component.
In the embodiment of the utility model, the oil cup component 3 is engraved with the oil cup oil level marking 3-1 with the maximum capacity, the distance between the position of the oil cup oil level marking 3-1 and the bottom surface of the liquid level sensor component is 8-10mm, and the oil is not contacted during induction detection, so that misjudgment is avoided.
And the non-contact oil cup oil level sensing device is also provided with an indicator lamp for displaying that the oil cup is full of oil and a sound alarm.
It needs to be further explained that: a range hood comprises the non-contact oil cup oil level sensing device described in the first embodiment and the second embodiment.
The working principle is as follows: when the non-contact oil cup oil level sensing device and the range hood are used, firstly, the liquid level sensor assembly is arranged at the bottom of the smoke collection cavity assembly 1, a distance of 8-10mm is reserved between the bottom surface of the liquid level sensor assembly and a maximum capacity oil cup oil level marking line 3-1 of the oil cup assembly 3, the liquid level sensor assembly converts a capacitance value of oil in the oil cup into an electric signal, the detection circuit outputs the electric signal to the controller, and the controller obtains an oil level value of the oil cup through an algorithm and displays and alarms.
The capacitance liquid level sensor 2-2 detects whether liquid exists or not by using the induction capacitance of water, when the liquid is not close to the sensor, a certain static capacitance exists on the sensor due to the existence of distributed capacitance, when the liquid level rises to be close to the sensor, the parasitic capacitance of the liquid is coupled to the static capacitance, so that the capacitance value of the sensor is increased, signal conversion is carried out by controlling an IC (integrated circuit), the changed capacitance is converted into the variable quantity of an electric signal, and a quantization program is judged by an algorithm.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A non-contact oil cup oil level sensing device comprises a smoke collection cavity assembly (1), an oil cup assembly (3) and a liquid level sensor assembly; the method is characterized in that: the lower part of the smoke collection cavity component (1) is connected with an oil cup component (3), and the bottom of the smoke collection cavity component (1) is provided with a liquid level sensor component.
2. The non-contact oil cup level sensing device of claim 1, wherein: the liquid level sensor assembly comprises a housing structure and a capacitive liquid level sensor (2-2) disposed within the housing structure.
3. The non-contact oil cup level sensing device of claim 2, wherein: the shell structure of the liquid level sensor assembly is composed of a liquid level sensor upper cover (2-1) and a liquid level sensor base (2-3); and the upper cover (2-1) of the liquid level sensor is clamped at the upper end of the base (2-3) of the liquid level sensor.
4. A non-contact oil cup level sensing device according to claim 3, wherein: the capacitance liquid level sensor (2-2) is arranged in a groove formed in the liquid level sensor base (2-3).
5. A non-contact oil cup level sensing device according to claim 3, wherein: the liquid level sensor upper cover (2-1) and the liquid level sensor base (2-3) are both made of silica gel materials.
6. The non-contact oil cup level sensing device of claim 1, wherein: the liquid level sensor assembly is vertically arranged on the bottom surface of the oil cup assembly (3), and the liquid level sensor assembly is suspended above the oil cup assembly (3).
7. The non-contact oil cup level sensing device of claim 1, wherein: the oil cup assembly (3) is carved with a maximum capacity oil cup oil level marking (3-1), and the distance between the position of the oil cup oil level marking (3-1) and the bottom surface of the liquid level sensor assembly is 8-10 mm.
8. The non-contact oil cup level sensing device of claim 1, wherein: and the non-contact oil cup oil level sensing device is also provided with an indicator lamp capable of displaying that the oil cup is full of oil.
9. The non-contact oil cup level sensing device of claim 1, wherein: and the non-contact oil cup oil level sensing device is also provided with an audible alarm.
10. A range hood, its characterized in that: the range hood comprises the non-contact oil cup oil level sensing device of any one of the claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121453561.9U CN215639661U (en) | 2021-06-29 | 2021-06-29 | Non-contact oil cup oil level induction system and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121453561.9U CN215639661U (en) | 2021-06-29 | 2021-06-29 | Non-contact oil cup oil level induction system and range hood |
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| Publication Number | Publication Date |
|---|---|
| CN215639661U true CN215639661U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121453561.9U Active CN215639661U (en) | 2021-06-29 | 2021-06-29 | Non-contact oil cup oil level induction system and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215639661U (en) |
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2021
- 2021-06-29 CN CN202121453561.9U patent/CN215639661U/en active Active
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