CN208886868U - Device for detecting oil level of oil cup of range hood and range hood - Google Patents
Device for detecting oil level of oil cup of range hood and range hood Download PDFInfo
- Publication number
- CN208886868U CN208886868U CN201821355979.4U CN201821355979U CN208886868U CN 208886868 U CN208886868 U CN 208886868U CN 201821355979 U CN201821355979 U CN 201821355979U CN 208886868 U CN208886868 U CN 208886868U
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- CN
- China
- Prior art keywords
- range hood
- resistance
- oil level
- oil
- oil cup
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- 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.)
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- 238000001514 detection method Methods 0.000 claims abstract description 37
- 230000001050 lubricating effect Effects 0.000 claims description 27
- 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
- 230000005611 electricity Effects 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000000779 smoke Substances 0.000 claims 1
- 238000009530 blood pressure measurement Methods 0.000 abstract 3
- 210000003437 trachea Anatomy 0.000 abstract 1
- 101150038956 cup-4 gene Proteins 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 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
Abstract
The utility model provides a detect device of range hood oil cup oil level, the device include pressure measurement subassembly, pressure sensing subassembly and detection circuitry, pressure measurement subassembly set up in range hood's oil cup and with the air cavity is constituteed to the oil cup, pressure sensing subassembly pass through the trachea with the air cavity intercommunication, detection circuitry with pressure sensing subassembly connects, and detection circuitry still is used for being connected with external processor. The utility model discloses a pressure sensing subassembly turns into the inductance value that corresponds with the pressure in the pressure measurement subassembly, and turn into the frequency output that corresponds with this inductance value through detection circuitry, obtain corresponding oil cup oil level value through the analysis of external treater at last, thereby can be when oil cup oil level value surpasss the default, send out the police dispatch newspaper and remind people to wash the oil cup, ensured that the oil cup is oil-tight, avoided people to the top of a kitchen range, the abluent inconvenience of pan, range hood's normal use has also been guaranteed.
Description
Technical field
The utility model relates to range hood technical fields, and in particular to a kind of device for detecting range hood oil cup oil level
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 utility model is to provide one kind can be certainly
The device of dynamic detection range hood oil cup oil level.
To achieve the goals above, the utility model specifically uses following technical scheme:
The utility model provides a kind of device for detecting range hood oil cup oil level, which includes pressure detecting group
Part, pressure sensor module and detection circuit, the pressure detecting assembly be set in the lubricating cup of range hood and with the lubricating cup
Air cavity is formed, the pressure sensor module is connected to by tracheae with the air cavity, the detection circuit and the pressure sensing group
Part connection, 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 utility model additionally provides a kind of range hood, which includes above-mentioned detection fume-exhausting
The device of oil cup of oil oil level.
Compared with the prior art, the device of the utility model includes pressure detecting assembly, pressure sensor module and detection electricity
Road, the pressure detecting assembly are set in the lubricating cup of range hood and form air cavity, the pressure sensing group with the lubricating cup
Part is connected to by tracheae with the air cavity, and the detection circuit is connect with the pressure sensor module, and the detection circuit
It is also used to connect with ppu；The utility model is converted the pressure in pressure detecting assembly to by pressure sensor module
Corresponding inductance value, and corresponding rate-adaptive pacemaker is converted for the inductance value by detection circuit, finally by ppu
Analysis obtains accordingly lubricating cup oil level value, so as to sound an alarm and remind people couple when lubricating cup oil level value exceeds preset value
Lubricating cup is cleaned, it is ensured that lubricating cup is oil-proof, avoids inconvenience of the people to hearth, cookware cleaning, also ensures fume-exhausting
The normal use of machine.
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 utility model embodiment；
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；
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 purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1, the embodiments of the present invention disclose a kind of device for detecting range hood oil cup oil level, the dress
It sets including pressure detecting assembly 1, pressure sensor module 2 and detection circuit 3.Wherein, pressure detecting assembly 1 is set to range hood
Lubricating cup 4 in and with the lubricating cup 4 form air cavity 5, pressure sensor module 2 is connected to by tracheae 6 with air cavity 5, the difference of detection circuit 3
It is connect with pressure sensor module 2 and ppu.To make the air pressure in air cavity 5 compare atmospheric pressure because air is compressed
Greatly, the air pressure in air cavity 5 is then changed by corresponding inductance value by pressure sensor module 2, finally by detection electricity
The inductance value is switched to corresponding frequency values and exported analyze to obtain the oil level value of lubricating cup to ppu by road 3.
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
The device of suction cup oil level.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
It is subject to the protection scope in claims.
Claims (9)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821355979.4U CN208886868U (en) | 2018-08-21 | 2018-08-21 | Device for detecting oil level of oil cup of range hood and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821355979.4U CN208886868U (en) | 2018-08-21 | 2018-08-21 | Device for detecting oil level of oil cup of range hood and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208886868U true CN208886868U (en) | 2019-05-21 |
Family
ID=66509633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821355979.4U Active CN208886868U (en) | 2018-08-21 | 2018-08-21 | Device for detecting oil level of oil cup of range hood and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208886868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207207A (en) * | 2018-08-21 | 2019-09-06 | 华帝股份有限公司 | Device and method for detecting oil level of oil cup of range hood and range hood |
-
2018
- 2018-08-21 CN CN201821355979.4U patent/CN208886868U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207207A (en) * | 2018-08-21 | 2019-09-06 | 华帝股份有限公司 | Device and method for detecting oil level of oil cup of range hood and range hood |
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| GR01 | Patent grant |