CN206339326U - A kind of wind pressure detection device of lampblack absorber - Google Patents
A kind of wind pressure detection device of lampblack absorber Download PDFInfo
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- CN206339326U CN206339326U CN201621374811.9U CN201621374811U CN206339326U CN 206339326 U CN206339326 U CN 206339326U CN 201621374811 U CN201621374811 U CN 201621374811U CN 206339326 U CN206339326 U CN 206339326U
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- lampblack absorber
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Abstract
The utility model discloses a kind of wind pressure detection device of lampblack absorber, it is related to household electrical appliance technical field.The utility model includes power module, microprocessor and wind pressure sensor；The power module is electrically connected with microprocessor and wind pressure sensor respectively；The wind pressure sensor includes air quantity input port, signal output and mounting seat；The air quantity input port is placed in the air outlet passage of lampblack absorber；The output signal of the signal output is electrically connected with microprocessor；The wind pressure sensor is arranged in lampblack absorber by mounting seat perpendicular to ground.The characteristics of the utility model has the smoke discharging effect for improving lampblack absorber and intelligence degree.
Description
Technical field
The utility model is related to household electrical appliance technical field, more particularly, to a kind of smoke discharging effect for improving lampblack absorber and
The wind pressure detection device of the lampblack absorber of intelligence degree.
Background technology
With the continuous progress of society, the living standard of people is increasingly lifted, and various kitchen appliances have become life must
Estovers and the life style for changing people, while people require also more and more higher to the intelligence degree of household appliances.At present
Lampblack absorber during use, when cooking oil smoke increase or oil smoke public passage pressure increase cause smoke discharging effect bad
When, all it is that motor speed is increased to increase exhaust air rate by manual adjustment, so that reaching improves the effect of smoke evacuation.Above regulation side
Formula is realized by artificial repeatedly regulation, during operating cost and intelligence degree is relatively low.
The utility model provides a kind of device for disposing a wind pressure sensor in lampblack absorber air outlet passage, and it can be with
The pressure at expulsion of monitoring machine, when there is the situation of blast detected value reduction, can automatically be improved by microprocessor in real time
Rotation speed of fan or prompting user's cleaning filter screen, so as to ensure the normal smoke discharging effect of machine, while also improving the intelligence of machine
Degree can be changed.
The content of the invention
Goal of the invention of the present utility model is that cooking oil smoke increases in the prior art or oil smoke is public logical in order to overcome
Pressure increase in road causes smoke discharging effect bad, manual adjustment motor, during operating cost and intelligence degree is low that not enough there is provided one
Plant the wind pressure detection device of the smoke discharging effect that can improve lampblack absorber and the lampblack absorber of intelligence degree.
To achieve these goals, the utility model uses following technical scheme：
A kind of wind pressure detection device of lampblack absorber, including power module, microprocessor and wind pressure sensor；The power supply mould
Block is electrically connected with microprocessor and wind pressure sensor respectively；The wind pressure sensor include air quantity input port, signal output and
Mounting seat；The air quantity input port is placed in the air outlet passage of lampblack absorber；The output signal of the signal output with
Microprocessor is electrically connected；The wind pressure sensor is arranged in lampblack absorber by mounting seat perpendicular to ground.
In the utility model, power module is responsible for providing power supply to microprocessor and wind pressure sensor, in lampblack absorber work
When the pressure at expulsion size of its air outlet passage is monitored in real time and microprocessor is transferred data to, then micro- place
Reason device is accurately controlled motor speed according to pressure at expulsion sizes values, and when detecting pressure value reduction, rotation speed of fan is improved automatically
Oil smoke is discharged, without manual operation control panel again, the intelligence degree of product is improved.
Wind pressure sensor uses wind pressure sensor special chip, can arbitrarily set air quantity input signal starting point and end
Point, and without mechanical structure, noncontacting switch, the fault rate for thoroughly reducing device.
Therefore, the characteristics of the utility model has smoke discharging effect and the intelligence degree that can improve lampblack absorber.
Preferably, also including resistance R10 and electric capacity C20；1 interface of the wind pressure sensor connects+5V power supplys, and blast is passed
2 interfaces of sensor are electrically connected with one end of resistance 120, the other end of resistance 120 one end respectively with electric capacity C20 and microprocessor
Electrical connection, 3 interfacing grounds of wind pressure sensor, electric capacity C20 other end ground connection.
Wherein, R10 is current limiting safeguard resistor, prevents that electric current is excessive and punctures chip, C20 is the filtering to wind pressure sensor.
Preferably, also including blower motor and display screen；The microprocessor is electric with blower motor and display screen respectively
Connection.
Microprocessor moment during lampblack absorber works monitors its blast for going out one's intention as revealed in what one says passage, according to its blast size
The working condition of lampblack absorber is intelligently controlled, motor speed or prompting user's cleaning filter screen etc. is for example improved.
Preferably, also including alarm unit；The alarm unit is electrically connected with microprocessor.
When sensor detects pressure at expulsion size less than setting value, microprocessor control alarm unit alarm.
Preferably, the alarm unit includes light emitting diode and buzzer.
Alarm includes luminous alarm and audible alarm.
Preferably, also include warning circuit, the warning circuit include current-limiting circuit, afterflow inductance L, on-off circuit and
Not circuit；One end ground connection of buzzer, the other end of buzzer and one end of current-limiting circuit are connected, the other end of current-limiting circuit
It is connected with afterflow inductance L one end, the afterflow inductance L other end and one end of on-off circuit are connected, the other end of on-off circuit
It is connected with VCC power supplys, the output end connection of the control end NAND gate circuit of on-off circuit, the input and microprocessor of not circuit
Device is connected.
In utility model, control signal is provided by microprocessor, alarm is controlled.When the output end of not circuit is exported
Signal is 0 low level signal, and the low level signal turns on on-off circuit, so that buzzer starts and sends breakpoint alarm
Voice prompt.When not circuit output end output signal is 1 high level signal, what the control end of on-off circuit was received is
High level pulse signal, on-off circuit is disconnected, and buzzer is closed automatically.
Preferably, the current-limiting circuit includes the triode Q2 of resistance R3, resistance R4, resistance R5 and NPN type；Switch electricity
Road includes resistance R1, resistance R2 and positive-negative-positive triode Q1；The output end connection of resistance R1 one end NAND gate circuit, resistance
The R1 other end is connected with triode Q1 base stage, and resistance R2 one end is connected with triode Q1 base stage, and resistance R2's is another
End is connected with triode Q1 emitter stage, and triode Q1 emitter stage is connected with VCC power supplys, triode Q1 colelctor electrode and afterflow
Inductance L one end connection, the afterflow inductance L other end is connected with triode Q2 colelctor electrode, resistance R3 one end and triode
Q2 colelctor electrode connection, the resistance R3 other end is connected with triode Q2 base stage, resistance R4 one end and triode Q2 base
Pole is connected, and the resistance R4 other end and the positive pole of buzzer are connected, and resistance R5 one end is connected with triode Q2 emitter stage, electricity
The positive pole of the other end and buzzer that hinder R5 is connected, and the negative pole of buzzer is connected with GND earth terminals.
Warning circuit of the present utility model controls the break-make of buzzer 72 to realize alarm by the triode Q3 of positive-negative-positive,
When the low level signal that the output end output signal of not circuit is 0, the low level signal turns on triode Q3, and then causes
Warning circuit conducting sends alarming prompt sound.During the triode Q3 base stage input low level pulse signals of positive-negative-positive, Q3 saturations are led
Logical buzzer starts；During the triode Q3 base stage input high level pulse signals of positive-negative-positive, Q3 cut-off buzzers are closed automatically.When
When high pressure occurs in warning circuit, current-limiting circuit can limit the electric current passed through on buzzer, for protecting buzzer.
Therefore, the utility model has the advantages that：The automatic rotation speed of fan that improves discharges oil smoke, without artificial again
Operational control panel, improves the intelligence degree of product；Without mechanical structure, noncontacting switch, the event for thoroughly reducing device
Barrier rate.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model；
Fig. 2 is a kind of schematic block circuit diagram of the present utility model；
The circuit theory diagrams that a kind of Fig. 3 microprocessors of the present utility model are connected with wind pressure sensor；
A kind of Fig. 4 circuit theory diagrams of alarm of the present utility model.
In figure：Microprocessor 1, power module 2, wind pressure sensor 3, air outlet passage 4, blower motor 5, display screen 6, report
Alert unit 7, air quantity input port 31, signal output 32, mounting seat 33, light emitting diode 71, buzzer 72, not circuit
73。
Embodiment
The utility model is further described with reference to the accompanying drawings and detailed description.
Embodiment as shown in Figure 1 and Figure 2 is a kind of wind pressure detection device of lampblack absorber, including microprocessor 1, power supply mould
Block 2 and wind pressure sensor 3；The power module 2 is electrically connected with microprocessor 1 and wind pressure sensor 3 respectively；The blast sensing
Device 3 includes air quantity input port 31, signal output 32 and mounting seat 33；The air quantity input port 31 is placed in going out for lampblack absorber
In air port passage 4；The output signal of the signal output 32 is electrically connected with microprocessor 1；The wind pressure sensor 3 passes through peace
Base 33 is filled to be arranged in lampblack absorber perpendicular to ground；Also include blower motor 5 and display screen 6；The microprocessor 1 respectively with
Blower motor 5 and display screen 6 are electrically connected；Also include alarm unit 7；The alarm unit 7 is electrically connected with microprocessor 1；It is described
Alarm unit 7 includes light emitting diode 71 and buzzer 72.
The circuit theory diagrams that a kind of Fig. 3 microprocessors of the present utility model are connected with wind pressure sensor, including resistance R10 and
Electric capacity C20；1 interface of the wind pressure sensor 3 connects+5V power supplys, and one end of 2 interfaces and resistance R10 of wind pressure sensor 3 is electrically connected
Connect, the resistance R10 other end is electrically connected with electric capacity C20 one end and microprocessor 1 respectively, and 3 interfaces of wind pressure sensor 3 connect
Ground, electric capacity C20 other end ground connection.
A kind of Fig. 4 circuit theory diagrams of alarm of the present utility model, the warning circuit includes current-limiting circuit, afterflow electricity
Feel L, on-off circuit and not circuit 73；One end ground connection of buzzer 72, the other end of buzzer 72 and one end of current-limiting circuit
Connection, the other end of current-limiting circuit is connected with afterflow inductance L one end, the afterflow inductance L other end and one end of on-off circuit
Connection, the other end of on-off circuit is connected with VCC power supplys, the output end connection of the control end NAND gate circuit 73 of on-off circuit,
The input of not circuit 73 is connected with microprocessor 1；
The current-limiting circuit includes the triode Q2 of resistance R3, resistance R4, resistance R5 and NPN type；On-off circuit includes electricity
Hinder the triode Q1 of R1, resistance R2 and positive-negative-positive；The output end connection of resistance R1 one end NAND gate circuit 73, resistance R1's is another
One end is connected with triode Q1 base stage, and resistance R2 one end is connected with triode Q1 base stage, the resistance R2 other end and three
Pole pipe Q1 emitter stage connection, triode Q1 emitter stage is connected with VCC power supplys, triode Q1 colelctor electrode and afterflow inductance L
One end connection, the afterflow inductance L other end is connected with triode Q2 colelctor electrode, resistance R3 one end and triode Q2 collection
Electrode is connected, and the resistance R3 other end is connected with triode Q2 base stage, and resistance R4 one end is connected with triode Q2 base stage,
The resistance R4 other end is connected with the positive pole of buzzer 72, and resistance R5 one end is connected with triode Q2 emitter stage, resistance R5
The other end be connected with the positive pole of buzzer 72, the negative pole of buzzer 72 is connected with GND earth terminals.
Therefore, the utility model has the advantages that：The smoke discharging effect and intelligence degree of lampblack absorber can be improved.
It should be understood that the present embodiment is merely to illustrate the utility model rather than limits scope of the present utility model.In addition
It should be understood that after the content of the utility model instruction has been read, those skilled in the art can make various to the utility model
Change or change, these equivalent form of values equally fall within the application appended claims limited range.
Claims (7)
1. a kind of wind pressure detection device of lampblack absorber, it is characterized in that, including microprocessor（1）, power module（2）With blast sensing
Device（3）；The power module（2）Respectively with microprocessor（1）And wind pressure sensor（3）Electrical connection；The wind pressure sensor（3）
Including air quantity input port（31）, signal output（32）And mounting seat（33）；The air quantity input port（31）It is placed in oil smoke
The air outlet passage of machine（4）It is interior；The signal output（32）Output signal and microprocessor（1）Electrical connection；The blast
Sensor（3）Pass through mounting seat（33）It is arranged on perpendicular to ground in lampblack absorber.
2. a kind of wind pressure detection device of lampblack absorber according to claim 1, it is characterized in that, also including resistance R10 and electricity
Hold C20；The wind pressure sensor（3）1 interface connect+5V power supplys, wind pressure sensor（3）2 interfaces and resistance R10 one end electricity
Connection, resistance R10 other end one end respectively with electric capacity C20 and microprocessor（1）Electrical connection, wind pressure sensor（3）3 connect
Mouth ground connection, electric capacity C20 other end ground connection.
3. a kind of wind pressure detection device of lampblack absorber according to claim 1, it is characterized in that, also including blower motor（5）
And display screen（6）；The microprocessor（1）Respectively with blower motor（5）And display screen（6）Electrical connection.
4. a kind of wind pressure detection device of lampblack absorber according to claim 1, it is characterized in that, also including alarm unit（7）；
The alarm unit（7）With microprocessor（1）Electrical connection.
5. a kind of wind pressure detection device of lampblack absorber according to claim 4, it is characterized in that, the alarm unit（7）Bag
Include light emitting diode（71）And buzzer（72）.
6. a kind of wind pressure detection device of lampblack absorber according to claim 5, it is characterized in that, also including warning circuit, institute
Stating warning circuit includes current-limiting circuit, afterflow inductance L, on-off circuit and not circuit（73）；Buzzer（72）One end ground connection,
Buzzer（72）The other end and one end of current-limiting circuit connect, the other end of current-limiting circuit is connected with afterflow inductance L one end,
The afterflow inductance L other end and one end of on-off circuit are connected, and the other end of on-off circuit is connected with VCC power supplys, on-off circuit
Control end NAND gate circuit（73）Output end connection, not circuit（73）Input and microprocessor（1）Connection.
7. a kind of wind pressure detection device of lampblack absorber according to claim 6, it is characterized in that, the current-limiting circuit includes electricity
Hinder the triode Q2 of R3, resistance R4, resistance R5 and NPN type；On-off circuit includes resistance R1, resistance R2 and positive-negative-positive triode
Q1；Resistance R1 one end NAND gate circuit（73）Output end connection, the resistance R1 other end is connected with triode Q1 base stage,
Resistance R2 one end is connected with triode Q1 base stage, and the resistance R2 other end is connected with triode Q1 emitter stage, triode
Q1 emitter stage is connected with VCC power supplys, and triode Q1 colelctor electrode is connected with afterflow inductance L one end, and afterflow inductance L's is another
End be connected with triode Q2 colelctor electrode, resistance R3 one end is connected with triode Q2 colelctor electrode, the resistance R3 other end and
Triode Q2 base stage connection, resistance R4 one end is connected with triode Q2 base stage, resistance the R4 other end and buzzer
（72）Positive pole connection, resistance R5 one end is connected with triode Q2 emitter stage, resistance the R5 other end and buzzer（72）
Positive pole connection, buzzer（72）Negative pole be connected with GND earth terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621374811.9U CN206339326U (en) | 2016-12-15 | 2016-12-15 | A kind of wind pressure detection device of lampblack absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621374811.9U CN206339326U (en) | 2016-12-15 | 2016-12-15 | A kind of wind pressure detection device of lampblack absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206339326U true CN206339326U (en) | 2017-07-18 |
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ID=59300756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621374811.9U Active CN206339326U (en) | 2016-12-15 | 2016-12-15 | A kind of wind pressure detection device of lampblack absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206339326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781172A (en) * | 2018-12-10 | 2019-05-21 | 广东恒鑫智能装备股份有限公司 | A kind of wind speed and pressure detection machine |
-
2016
- 2016-12-15 CN CN201621374811.9U patent/CN206339326U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781172A (en) * | 2018-12-10 | 2019-05-21 | 广东恒鑫智能装备股份有限公司 | A kind of wind speed and pressure detection machine |
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