CN110207207A - Device and method for detecting oil level of oil cup of range hood and range hood - Google Patents
Device and method for detecting oil level of oil cup of range hood and range hood Download PDFInfo
- Publication number
- CN110207207A CN110207207A CN201810956193.6A CN201810956193A CN110207207A CN 110207207 A CN110207207 A CN 110207207A CN 201810956193 A CN201810956193 A CN 201810956193A CN 110207207 A CN110207207 A CN 110207207A
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- CN
- China
- Prior art keywords
- range hood
- oil level
- oil
- cup
- resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 47
- 230000001050 lubricating effect Effects 0.000 claims description 36
- 230000000712 assembly Effects 0.000 claims description 16
- 238000000429 assembly Methods 0.000 claims description 16
- 230000001939 inductive effect Effects 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000000779 smoke Substances 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000010411 cooking Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 37
- 101150038956 cup-4 gene Proteins 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 230000001953 sensory effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Ventilation (AREA)
Abstract
The invention provides a device and a method for detecting the oil level of an oil cup of a range hood, wherein the device comprises a pressure detection assembly, a pressure sensing assembly and a detection circuit, the pressure detection assembly is arranged in the oil cup of the range hood and forms an air cavity with the oil cup, the pressure sensing assembly is communicated with the air cavity through an air pipe, the detection circuit is connected with the pressure sensing assembly, and the detection circuit is also used for being connected with an external processor. According to the invention, the pressure in the pressure detection assembly is converted into a corresponding inductance value through the pressure sensing assembly, the inductance value is converted into a corresponding frequency through the detection circuit to be output, and finally, the oil level value of the corresponding oil cup is obtained through analysis of the external processor, so that when the oil level value of the oil cup exceeds a preset value, an alarm is given to remind people to clean the oil cup, the oil cup is ensured not to leak oil, the inconvenience of cleaning a cooking bench and a cooker by people is avoided, and the normal use of the range hood is also ensured.
Description
Technical field
The present invention relates to range hood technical fields, and in particular to it is a kind of detect range hood oil cup oil level device and side
Method and range hood.
Background technique
Current range hood does not have lubricating cup oil level detection function nearly all, and people also seldom constantly remove concern lubricating cup
Oil level；But if being not related to the oil level of priming cup for a long time and keeping oil level in lubricating cup excessively high, the oil in lubricating cup will overflow
And trickle down on hearth or even cookware, unnecessary trouble is caused to the cleaning of people, or even influence normally making for range hood
With.
Summary of the invention
In order to overcome the above-mentioned problems of the prior art, the main purpose of the present invention is to provide one kind to examine automatically
Survey the device of range hood oil cup oil level.
To achieve the goals above, the present invention specifically uses following technical scheme:
The present invention provides a kind of device for detecting range hood oil cup oil level, which includes pressure detecting assembly, pressure
Power sensory package and detection circuit, the pressure detecting assembly are set in the lubricating cup of range hood and form gas with the lubricating cup
Chamber, the pressure sensor module are connected to by tracheae with the air cavity, and the detection circuit is connect with the pressure sensor module,
And the detection circuit is also used to connect with ppu.
Preferably, the pressure sensor module includes diaphragm assembly, Inductive component and magnet assemblies, and the diaphragm assembly is logical
It crosses tracheae to be connected to the air cavity, the magnet assemblies are fixed on the top of the diaphragm assembly, and the Inductive component is sheathed on
The magnet assemblies are simultaneously connect with the detection circuit.
Preferably, the diaphragm assembly includes diaphragm body and locating part, and the diaphragm body is set in the locating part simultaneously
It is connected to by tracheae with the air cavity, the magnet assemblies are fixed on the top of the diaphragm body and are pierced by the locating part.
Preferably, the Inductive component includes set casing and inductance coil, and the set casing is set to the locating part
Top, the inductance coil are fixed on the inside of the set casing, and the magnet assemblies are arranged in the inductance coil.
Preferably, the Inductive component further includes elastic component and locating piece, and the locating piece is set to the set casing
Top, one end of the elastic component are connect with the locating piece, and the other end of the elastic component is connect with the magnet assemblies.
Preferably, the locating piece is movably set in the set casing along the vertical direction.
Preferably, the magnet assemblies include magnet fixing seat and annular magnet, and the magnet fixing seat is fixed on described
The top of diaphragm body, the annular magnet are fixed on the magnet fixing seat.
Preferably, the detection circuit includes chip U1, resistance R1, resistance R2 and resistance R3, the both ends of the resistance R2
It is connected respectively with the both ends of inductance coil, one end of the resistance R3 is connected with one end of resistance R2, and other the one of the resistance R3
End is connected with the input pin of chip U1, and the other end of the resistance R2 is connected with the input pin of chip U1, the chip U1
Output pin be connected with one end of resistance R1, the resistance R1 other end is connected with ppu.
Correspondingly, the present invention also provides a kind of range hood, which includes above-mentioned detection fume-exhausting machine oil
The device of cup oil level.
Correspondingly, the present invention also provides a kind of lubricating cup oil level detection method, the method comprising the steps of:
Step S11, the pressure value being set in the pressure detecting assembly in lubricating cup is converted correspondence by pressure sensor module
Inductance value.
Step S12, detection circuit converts corresponding frequency values for the inductance value and exports to processor.
Step S13, the described processor analyzes to obtain the oil level value in lubricating cup according to the frequency values.
It preferably, further include step S14, when the oil level value in the lubricating cup is greater than preset value, the processor control
Alarm sounds an alarm.
Compared with the prior art, the inventive system comprises pressure detecting assembly, pressure sensor module and detection circuit, institutes
It states pressure detecting assembly to be set in the lubricating cup of range hood and form air cavity with the lubricating cup, the pressure sensor module passes through
Tracheae is connected to the air cavity, and the detection circuit is connect with the pressure sensor module, and the detection circuit is also used to
It is connect with ppu；The present invention converts corresponding inductance for the pressure in pressure detecting assembly by pressure sensor module
Value, and converts corresponding rate-adaptive pacemaker for the inductance value by detection circuit, analyzes to obtain pair finally by ppu
Ground lubricating cup oil level value is answered, so as to sound an alarm and people is reminded to carry out clearly lubricating cup when lubricating cup oil level value exceeds preset value
It washes, it is ensured that lubricating cup is oil-proof, avoids inconvenience of the people to hearth, cookware cleaning, also ensures normally making for range hood
With.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the device of the detection range hood oil cup oil level of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of pressure sensor module in Fig. 1；
Fig. 3 is the circuit diagram of detection circuit in Fig. 1；
Fig. 4 is frequency, inductance coil inductance value and lubricating cup oil level relational graph；
Fig. 5 is the method flow diagram of the detection range hood oil cup oil level of the embodiment of the present invention；
In figure: 1, pressure detecting assembly；11, pressure detector；12, fixed bracket；2, pressure sensor module；21, diaphragm
Component；211, diaphragm body；212, locating part；22, Inductive component；221, set casing；222, inductance coil；223, elastic component；
224, locating piece；23, magnet assemblies；231, magnet fixing seat；232, annular magnet；3, detection circuit；4, lubricating cup；5, air cavity；
6, tracheae.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, embodiment of the invention discloses a kind of device for detecting range hood oil cup oil level, the device packet
Include pressure detecting assembly 1, pressure sensor module 2 and detection circuit 3.Wherein, pressure detecting assembly 1 is set to the oil of range hood
Form air cavity 5 in cup 4 and with the lubricating cup 4, pressure sensor module 2 is connected to by tracheae 6 with air cavity 5, detection circuit 3 respectively with pressure
Power sensory package 2 and ppu connection.To make air pressure in air cavity 5 because that air is by compression is bigger than atmospheric pressure,
Then the air pressure in air cavity 5 is changed by corresponding inductance value by pressure sensor module 2, finally by detection circuit 3
The inductance value is switched to corresponding frequency values and exported analyze to obtain the oil level value of lubricating cup to ppu.
As shown in Fig. 2, pressure sensor module 2 includes diaphragm assembly 21, Inductive component 22 and magnet assemblies 23.Wherein, every
Membrane module 21 includes diaphragm body 211 and locating part 212 again, and Inductive component 22 includes set casing 221, inductance coil 222, elasticity again
Part 223 and locating piece 224, magnet assemblies 23 include magnet fixing seat 231 and annular magnet 232 again.Set casing 221 is set to limit
The top of position part 212 is simultaneously connect with locating part 212, and diaphragm body 211 is set in locating part 212 and is connected by tracheae 6 and air cavity 5
It is logical.Magnet fixing seat 231 is fixed on the top of diaphragm body 211 and is pierced by locating part 212, and it is solid that annular magnet 232 is fixed on magnet
Reservation 231.Inductance coil 222 is fixed on the inside of set casing 221 and is sheathed on annular magnet 232, and locating piece 224 is along vertical side
To the top for being movably set in set casing 221, one end of elastic component 223 is connect with magnet fixing seat 231, elastic component 223 it is another
One end is connect with locating piece 224.In the present embodiment, elastic component 223 is spring.So as to by adjusting locating piece 224
Height adjusts the spring force of spring.
When specific implementation, as the variation of level height in lubricating cup 4 can cause the variation of air pressure in air cavity 5, and gas
Air variation in chamber 5 can make the volume change of diaphragm body 211.Sky when the level height in lubricating cup 4 increases, in air cavity 5
Atmospheric pressure increases, so that the volume of diaphragm body 211 be made to increase, annular magnet 232 can be upward with the increase of 211 volume of diaphragm body
It is mobile, so that annular magnet 232 and the relative position of inductance coil 222 is changed, and then send out the inductance value of inductance coil 222
Changing.The inductance value of inductance coil 222 is switched to corresponding frequency values and exports to ppu analyze oil by detection circuit 3
The oil level value of cup.As shown in figure 4, being frequency, inductance coil inductance value and lubricating cup oil level relational graph；
As shown in figure 3, inductance coil 222 and set casing 221 are equivalent to inductance L, capacitor C1 and capacitor C2 in Fig. 3, inspection
Slowdown monitoring circuit 3 includes chip U1, resistance R1, resistance R2 and resistance R3.Wherein, the both ends of resistance R2 respectively with inductance coil 222
Both ends are connected, and one end of resistance R3 is connected with one end of resistance R2, and other one end of resistance R3 is connected with the input pin of chip U1,
The other end of resistance R2 is connected with the input pin of chip U1, and the output pin of chip U1 is connected with one end of resistance R1, resistance
The other end of R1 is connected as output end with ppu.
Pressure detecting assembly 1 includes pressure detector 11 and fixed bracket 12, and fixed bracket 12 is fixed on lubricating cup 4, uses
In fixation pressure detector 11, prevents the skew of pressure detector 11 or fall down.
In the present embodiment, it is additionally provided with alarm, alarm is connected with processor, when detecting the oil level value in lubricating cup
When greater than preset value, processor controls the alarm and sounds an alarm.In addition, the model IC4069 of chip U1, is encapsulated as SOP-
14；Spacing between 4 bottom of bottom opening and lubricating cup of pressure detector 11 is 2mm-10mm, it is preferable that pressure detector 11
4 bottom of opening and lubricating cup between spacing be 5mm.
Correspondingly, the invention also discloses a kind of range hood, which includes above-mentioned detection range hood suction cup
The device of oil level.
As shown in figure 5, correspondingly, the invention also discloses a kind of method for detecting range hood oil cup oil level, this method
Include:
Step S11, the pressure value being set in the pressure detecting assembly in lubricating cup is converted correspondence by pressure sensor module
Inductance value.
Step S12, detection circuit converts corresponding frequency values for inductance value and exports to processor.
Step S13, processor analyzes to obtain the oil level value in lubricating cup according to the frequency values that detection circuit exports.
Step S14, when the oil level value in lubricating cup is greater than preset value, processor control alarm is sounded an alarm.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (11)
1. a kind of device for detecting range hood oil cup oil level, which is characterized in that including pressure detecting assembly (1), pressure sensing
Component (2) and detection circuit (3), the pressure detecting assembly (1) be set in the lubricating cup (4) of range hood and with the lubricating cup
(4) air cavity (5) are formed, the pressure sensor module (2) is connected to by tracheae (6) with the air cavity (5), the detection circuit
(3) it is connect with the pressure sensor module (2), and the detection circuit (3) is also used to connect with ppu.
2. the device of detection range hood oil cup oil level according to claim 1, which is characterized in that the pressure sensing group
Part (2) includes diaphragm assembly (21), Inductive component (22) and magnet assemblies (23), and the diaphragm assembly (21) passes through tracheae (6)
It is connected to the air cavity (5), the magnet assemblies (23) are fixed on the top of the diaphragm assembly (21), the Inductive component
(22) magnet assemblies (23) are sheathed on and are connect with the detection circuit (3).
3. the device of detection range hood oil cup oil level according to claim 2, which is characterized in that the diaphragm assembly
It (21) include diaphragm body (211) and locating part (212), the diaphragm body (211) is set in the locating part (212) and passes through
Tracheae (6) is connected to the air cavity (5), and the magnet assemblies (23) are fixed on the top of the diaphragm body (211) and are pierced by institute
State locating part (212).
4. the device of detection range hood oil cup oil level according to claim 3, which is characterized in that the Inductive component
It (22) include set casing (221) and inductance coil (222), the set casing (221) is set to the upper of the locating part (212)
Portion, the inductance coil (222) are fixed on the inside of the set casing (221), and the magnet assemblies (23) are arranged in the electricity
Feel coil (222).
5. the device of detection range hood oil cup oil level according to claim 4, which is characterized in that the Inductive component
It (22) further include elastic component (223) and locating piece (224), the locating piece (224) is set to the upper of the set casing (221)
The one end in portion, the elastic component (223) is connect with the locating piece (224), the other end and the magnetic of the elastic component (223)
Iron component (23) connection.
6. the device of detection range hood oil cup oil level according to claim 5, which is characterized in that the locating piece
(224) it is movably set in the set casing (221) along the vertical direction.
7. the device of detection range hood oil cup oil level according to claim 3, which is characterized in that the magnet assemblies
It (23) include magnet fixing seat (231) and annular magnet (232), the magnet fixing seat (231) is fixed on the diaphragm body
(211) top, the annular magnet (232) are fixed on the magnet fixing seat (231).
8. the device of detection range hood oil cup oil level according to claim 4, which is characterized in that the detection circuit
It (3) include that chip U1, resistance R1, resistance R2 and resistance R3, the both ends of the resistance R2 are connected with the both ends of inductance coil respectively,
One end of the resistance R3 is connected with one end of resistance R2, and other one end of the resistance R3 is connected with the input pin of chip U1,
The other end of the resistance R2 is connected with the input pin of chip U1, one end phase of the output pin and resistance R1 of the chip U1
Even, the resistance R1 other end is connected with ppu.
9. a kind of range hood, which is characterized in that the range hood includes the described in any item detection oil suctions of claim 1 to 8
The device of smoke machine lubricating cup oil level.
10. a kind of method for detecting range hood oil cup oil level, which is characterized in that this method comprises:
Step S11, the pressure value being set in the pressure detecting assembly in lubricating cup is converted corresponding electricity by pressure sensor module
Inductance value；
Step S12, detection circuit converts corresponding frequency values for the inductance value and exports to processor；
Step S13, the described processor analyzes to obtain the oil level value in lubricating cup according to the frequency values that the detection circuit exports.
11. lubricating cup oil level detection method according to claim 10, which is characterized in that further include step S14, when the oil
When oil level value in cup is greater than preset value, the processor control alarm is sounded an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810956193.6A CN110207207A (en) | 2018-08-21 | 2018-08-21 | Device and method for detecting oil level of oil cup of range hood and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810956193.6A CN110207207A (en) | 2018-08-21 | 2018-08-21 | Device and method for detecting oil level of oil cup of range hood and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110207207A true CN110207207A (en) | 2019-09-06 |
Family
ID=67780041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810956193.6A Pending CN110207207A (en) | 2018-08-21 | 2018-08-21 | Device and method for detecting oil level of oil cup of range hood and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110207207A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06109518A (en) * | 1992-09-22 | 1994-04-19 | Hoshizaki Electric Co Ltd | Tableware cleaner |
| JPH11207085A (en) * | 1998-01-21 | 1999-08-03 | Toshiba Corp | Washing machine |
| CN103162766A (en) * | 2011-12-15 | 2013-06-19 | 中川电化产业株式会社 | Water level detecting device |
| CN103712667A (en) * | 2012-09-29 | 2014-04-09 | 博西华电器（江苏）有限公司 | Water level detecting device and washing machine with same |
| CN208886868U (en) * | 2018-08-21 | 2019-05-21 | 华帝股份有限公司 | Device for detecting oil level of oil cup of range hood and range hood |
-
2018
- 2018-08-21 CN CN201810956193.6A patent/CN110207207A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06109518A (en) * | 1992-09-22 | 1994-04-19 | Hoshizaki Electric Co Ltd | Tableware cleaner |
| JPH11207085A (en) * | 1998-01-21 | 1999-08-03 | Toshiba Corp | Washing machine |
| CN103162766A (en) * | 2011-12-15 | 2013-06-19 | 中川电化产业株式会社 | Water level detecting device |
| CN103712667A (en) * | 2012-09-29 | 2014-04-09 | 博西华电器（江苏）有限公司 | Water level detecting device and washing machine with same |
| CN208886868U (en) * | 2018-08-21 | 2019-05-21 | 华帝股份有限公司 | Device for detecting oil level of oil cup of range hood and range hood |
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