CN110085004A - A kind of fuel gas detection alarm self-starting blower fan control system - Google Patents
A kind of fuel gas detection alarm self-starting blower fan control system Download PDFInfo
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- CN110085004A CN110085004A CN201910386490.6A CN201910386490A CN110085004A CN 110085004 A CN110085004 A CN 110085004A CN 201910386490 A CN201910386490 A CN 201910386490A CN 110085004 A CN110085004 A CN 110085004A
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- triode
- separately connected
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
Abstract
The invention discloses a kind of fuel gas to detect alarm self-starting blower fan control system, including controller U1, buzzing alarm module, gas detection sensing module, Electromagnetic Control module and blower Y, the buzzing alarm module includes buzzer BL, triode Q4 and triode Q5, the Electromagnetic Control module includes relay J, the gas detection sensing module includes sensor U2 and capacitor C4, the controller U1 pin 7 is grounded, controller U1 pin 6 is separately connected resistance R10, diode D7 cathode and resistance R17, the resistance R10 other end connects Light-emitting diode LED anode.The present invention can be installed on common blower, after device circuit detects hazardous gas, link controller starts buzzer, and opens electromagnetic switch, start blower automatically, in the case where the leakage of dangerous gas, it can eliminate danger automatically, suitable for any occasion with hazardous gas, safety coefficient is high, saves manpower and using effect is good.
Description
Technical field
The present invention relates to a kind of self-starting blower fan apparatus, specifically a kind of fuel gas detection alarm self-starting air-blower control
System.
Background technique
Conventional blower is generally used in the occasion for needing to exclude room air, and personnel is needed optionally to open manually, or setting
Time automatically opens.It is commonly used in the place for the air draft that needs to divulge information, reliable general, controllability is strong, but as dangerous gas occurs in scene
Body, and be not easy to be therefore easily perceived by humans, or when scene is unattended, it is easy to appear safety accident.Especially in the flammable natural gas (kitchen of household
Room), in workshop in the possible situation of dangerous gas leakage, including the place that other hazardous gases are easily revealed, conventional fan
Can only manual exhaust, it is impossible to guard against, for this purpose, it is proposed that a kind of flammable that or timing, which is vented, however really dangerous when occurring
Gas detection alarm self-starting blower fan control system.
Summary of the invention
The purpose of the present invention is to provide a kind of fuel gas to detect alarm self-starting blower fan control system, above-mentioned to solve
The problem of being proposed in background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of fuel gas detection alarm self-starting blower fan control system, including controller U1, buzzing alarm module, gas detection
Sensing module, Electromagnetic Control module and blower Y, the buzzing alarm module include buzzer BL, triode Q4 and triode Q5,
The Electromagnetic Control module includes relay J, and the gas detection sensing module includes sensor U2 and capacitor C4, the control
Device U1 pin 7 is grounded, and controller U1 pin 6 is separately connected resistance R10, diode D7 cathode and resistance R17, and resistance R10 is another
End connection Light-emitting diode LED anode, Light-emitting diode LED cathode connect resistance R11, and the resistance R11 other end is separately connected electricity
Resistance R4 and controller U1 pin 3, the resistance R4 other end are separately connected capacitor C8 and resistance R5, and the resistance R5 other end is separately connected two
Pole pipe D7 anode and controller U1 pin 1, the capacitor C8 other end are separately connected controller U1 pin 4 and resistance R6, resistance
R6 other end connecting triode Q4 emitter, triode Q4 collector be separately connected triode Q5 collector, the one end buzzer BL,
Capacitor C4, resistance R3 and sensor U2 pin 3, triode Q4 base stage connect the buzzer BL other end, the triode Q5 transmitting
Pole connects the resistance R17 other end, and triode Q5 base stage is separately connected diode D6 anode and relay J pin 1, and diode D6 is negative
Pole is separately connected relay J pin 4, sensor U2 pin 2, sensor U2 pin 4, sensor U2 pin 6, resistance R22, control
Device U1 pin 5, capacitor C3, diode D3 anode, inductance L1 and resistance R2, it is another that the resistance R2 other end is separately connected resistance R3
End, diode D2 anode, capacitor C1, rectifier bridge Q1 pin 4, the capacitor C3 other end, resistance R14, diode D5 cathode, capacitor
C6, capacitor C7 and controller U1 pin 14, the resistance R14 other end are separately connected diode D5 anode, the capacitor C6 other end and control
Device U1 pin 9 processed, controller U1 pin 8 are separately connected controller U1 pin 13, diode D4 cathode and resistance R7, and resistance R7 is another
One end connecting triode Q3 emitter, triode Q3 base stage are separately connected triode Q2 emitter and resistance R20, and resistance R20 is another
One end connects potentiometer R4 sliding end, and mono- fixing end of potentiometer R4 connects resistance R21, and the resistance R21 other end is separately connected three
Pole pipe Q3 collector, capacitor C7 and triode Q2 relay, triode Q2 base stage connect the resistance R22 other end, the rectifier bridge
D1 pin 3 is separately connected the capacitor C1 other end and triode Q1 emitter, and triode Q1 base stage connects resistance R1, and resistance R1 is another
End is separately connected the inductance L1 other end, diode D3 cathode, diode D2 cathode and capacitor C2, and the capacitor C2 other end connects three poles
Pipe Q1 collector, the rectifier bridge D1 pin Pin 1 are separately connected relay J pin 5, key switch SW1 and key switch
SW3, key switch SW1 other end connection bulb L, the light bulb L other end are separately connected capacitor C9, blower Y pin 3 and rectifier bridge D1
Pin 2, blower Y pin 2 are separately connected the key switch SW3 other end and relay J pin 3, and blower Y4 connection capacitor C9 is another
End, the relay J pin 2 connect key switch SW2, and the key switch SW2 other end connects blower Y pin 1.
As a further solution of the present invention: the controller U1 uses 74HC04.
As a further solution of the present invention: the sensor U2 uses MQ-4.
As a further solution of the present invention: the rectifier bridge D1 uses MB10S.
As a further solution of the present invention: the relay J-type number is SRD-03VDC-SL-C.
As a further solution of the present invention: the model XDC-180W of the motor Y.
Compared with prior art, the beneficial effects of the present invention are: the present invention can be installed on common blower, device circuit is visited
After measuring hazardous gas, link controller starts buzzer, and opens electromagnetic switch, starts blower automatically, in dangerous gas
It in the case that body leaks, can eliminate danger automatically, suitable for any occasion with hazardous gas, safety coefficient is high, saves
Manpower and using effect is good, structure of the invention is scientific and reasonable, easy to install and use, is suitble to promote the use of.
Detailed description of the invention
Fig. 1 is the electric control system schematic diagram of fuel gas detection alarm self-starting blower fan control system;
Fig. 2 is the circuit diagram of fuel gas detection alarm self-starting blower fan control system.
Fig. 3 is Fig. 2 upper left-hand partial enlarged view;
Fig. 4 is Fig. 2 upper right partial enlarged view;
Fig. 5 is the lower part Fig. 2 partial enlarged view.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~5, in the embodiment of the present invention, a kind of fuel gas detection alarm self-starting blower fan control system, packet
Include controller U1, buzzing alarm module, gas detection sensing module, Electromagnetic Control module and blower Y, the buzzing alarm module
Including buzzer BL, triode Q4 and triode Q5, the Electromagnetic Control module includes relay J, the gas detection sensing
Module includes sensor U2 and capacitor C4, and the controller U1 pin 7 is grounded, controller U1 pin 6 be separately connected resistance R10,
Diode D7 cathode and resistance R17, the resistance R10 other end connect Light-emitting diode LED anode, and Light-emitting diode LED cathode connects
Connecting resistance R11, the resistance R11 other end are separately connected resistance R4 and controller U1 pin 3, and the resistance R4 other end is separately connected capacitor
C8 and resistance R5, the resistance R5 other end are separately connected diode D7 anode and controller U1 pin 1, the capacitor C8 other end point
Not Lian Jie controller U1 pin 4 and resistance R6, resistance R6 other end connecting triode Q4 emitter, triode Q4 collector difference
Connecting triode Q5 collector, the one end buzzer BL, capacitor C4, resistance R3 and sensor U2 pin 3, the connection of triode Q4 base stage
The buzzer BL other end, the triode Q5 emitter connect the resistance R17 other end, and triode Q5 base stage is separately connected diode
D6 anode and relay J pin 1, diode D6 cathode are separately connected relay J pin 4, sensor U2 pin 2, sensor U2
Pin 4, sensor U2 pin 6, resistance R22, controller U1 pin 5, capacitor C3, diode D3 anode, inductance L1 and resistance R2,
It is another that the resistance R2 other end is separately connected the resistance R3 other end, diode D2 anode, capacitor C1, rectifier bridge Q1 pin 4, capacitor C3
End, resistance R14, diode D5 cathode, capacitor C6, capacitor C7 and controller U1 pin 14, the resistance R14 other end are separately connected two
Pole pipe D5 anode, the capacitor C6 other end and controller U1 pin 9, controller U1 pin 8 are separately connected controller U1 pin 13, two
Pole pipe D4 cathode and resistance R7, resistance R7 other end connecting triode Q3 emitter, triode Q3 base stage are separately connected triode
Q2 emitter and resistance R20, the resistance R20 other end connect potentiometer R4 sliding end, and mono- fixing end of potentiometer R4 connects resistance
R21, the resistance R21 other end are separately connected triode Q3 collector, capacitor C7 and triode Q2 relay, and triode Q2 base stage connects
The connecting resistance R22 other end, the rectifier bridge D1 pin 3 are separately connected the capacitor C1 other end and triode Q1 emitter, triode
Q1 base stage connect resistance R1, the resistance R1 other end be separately connected the inductance L1 other end, diode D3 cathode, diode D2 cathode and
Capacitor C2, capacitor C2 other end connecting triode Q1 collector, the rectifier bridge D1 pin Pin 1 are separately connected relay J and draw
Foot 5, key switch SW1 and key switch SW3, key switch SW1 other end connection bulb L, the light bulb L other end are separately connected electricity
Hold C9, blower Y pin 3 and rectifier bridge D1 pin 2, blower Y pin 2 is separately connected the key switch SW3 other end and relay J draws
Foot 3, the blower Y4 connection capacitor C9 other end, the relay J pin 2 connect key switch SW2, the key switch SW2 other end
Connect blower Y pin 1;The controller U1 uses 74HC04;The sensor U2 uses MQ-4;The rectifier bridge D1 is used
MB10S;The relay J-type number is SRD-03VDC-SL-C;The model XDC-180W of the motor Y, the present invention in blower Y
The blower of different model and different capacity size can also be used according to field condition.
Working principle of the present invention are as follows: sensor U2 pin 3 touches buzzer, and potentiometer R4 controls the probe spirit of sensor U2
Sensitivity, when sensor U2 probe detects fuel gas, controller U1 pin 3, to LED luminous alarm, triggers simultaneously to signal
Relay J is attracted blower Y starting, and by fuel gas discharge until sensor U2 detects safe concentration, blower Y stops blower Y
Rotation, this system can be in the case where no supervisions, and the problem of having automatically processed combustible gas leakage, greatly strengthening has
The safety of fuel gas environment, structure of the invention is scientific and reasonable, can use, be suitble in the various occasions with fuel gas
It promotes the use of.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of fuel gas detection alarm self-starting blower fan control system, including the inspection of controller U1, buzzing alarm module, gas
Survey sensing module, Electromagnetic Control module and blower Y, it is characterised in that: the buzzing alarm module includes buzzer BL, triode
Q4 and triode Q5, the Electromagnetic Control module include relay J, and the gas detection sensing module includes sensor U2 and electricity
Hold C4, the controller U1 pin 7 is grounded, and controller U1 pin 6 is separately connected resistance R10, diode D7 cathode and resistance
R17, the resistance R10 other end connect Light-emitting diode LED anode, and Light-emitting diode LED cathode connects resistance R11, and resistance R11 is another
One end is separately connected resistance R4 and controller U1 pin 3, and the resistance R4 other end is separately connected capacitor C8 and resistance R5, and resistance R5 is another
One end is separately connected diode D7 anode and controller U1 pin 1, and the capacitor C8 other end is separately connected controller U1 pin 4
With resistance R6, resistance R6 other end connecting triode Q4 emitter, triode Q4 collector be separately connected triode Q5 collector,
The one end buzzer BL, capacitor C4, resistance R3 and sensor U2 pin 3, triode Q4 base stage connects the buzzer BL other end, described
Triode Q5 emitter connects the resistance R17 other end, and triode Q5 base stage is separately connected diode D6 anode and relay J pin
1, diode D6 cathode be separately connected relay J pin 4, sensor U2 pin 2, sensor U2 pin 4, sensor U2 pin 6,
Resistance R22, controller U1 pin 5, capacitor C3, diode D3 anode, inductance L1 and resistance R2, the resistance R2 other end are separately connected
The resistance R3 other end, diode D2 anode, capacitor C1, rectifier bridge Q1 pin 4, the capacitor C3 other end, resistance R14, diode D5
Cathode, capacitor C6, capacitor C7 and controller U1 pin 14, it is another that the resistance R14 other end is separately connected diode D5 anode, capacitor C6
One end and controller U1 pin 9, controller U1 pin 8 are separately connected controller U1 pin 13, diode D4 cathode and resistance R7,
Resistance R7 other end connecting triode Q3 emitter, triode Q3 base stage are separately connected triode Q2 emitter and resistance R20, electricity
It hinders the R20 other end and connects potentiometer R4 sliding end, mono- fixing end of potentiometer R4 connects resistance R21, resistance R21 other end difference
Connecting triode Q3 collector, capacitor C7 and triode Q2 relay, triode Q2 base stage connects the resistance R22 other end, described
Rectifier bridge D1 pin 3 is separately connected the capacitor C1 other end and triode Q1 emitter, and triode Q1 base stage connects resistance R1, resistance
The R1 other end is separately connected the inductance L1 other end, diode D3 cathode, diode D2 cathode and capacitor C2, and the capacitor C2 other end connects
Triode Q1 collector is connect, the rectifier bridge D1 pin Pin 1 is separately connected relay J pin 5, key switch SW1 and key
Switch SW3, key switch SW1 other end connection bulb L, the light bulb L other end are separately connected capacitor C9, blower Y pin 3 and rectification
Bridge D1 pin 2, blower Y pin 2 are separately connected the key switch SW3 other end and relay J pin 3, blower Y4 connection capacitor C9
The other end, the relay J pin 2 connect key switch SW2, and the key switch SW2 other end connects blower Y pin 1.
2. fuel gas detection alarm self-starting blower fan control system according to claim 1, which is characterized in that the control
Device U1 processed uses 74HC04.
3. fuel gas detection alarm self-starting blower fan control system according to claim 2, which is characterized in that the biography
Sensor U2 uses MQ-4.
4. fuel gas detection alarm self-starting blower fan control system according to claim 3, which is characterized in that described whole
It flows bridge D1 and uses MB10S.
5. fuel gas according to claim 4 detection alarm self-starting blower fan control system, which is characterized in that it is described after
Electric appliance J-type number is SRD-03VDC-SL-C.
6. fuel gas detection alarm self-starting blower fan control system according to claim 4, which is characterized in that the electricity
The model XDC-180W of machine Y.
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CN201910386490.6A CN110085004B (en) | 2019-05-09 | 2019-05-09 | Combustible gas detection alarm self-starting fan control system |
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