CN106246588A - A kind of pouity dwelling place automatic exhaust system - Google Patents
A kind of pouity dwelling place automatic exhaust system Download PDFInfo
- Publication number
- CN106246588A CN106246588A CN201610854961.8A CN201610854961A CN106246588A CN 106246588 A CN106246588 A CN 106246588A CN 201610854961 A CN201610854961 A CN 201610854961A CN 106246588 A CN106246588 A CN 106246588A
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- electric capacity
- amplifier
- negative pole
- pin
- pole
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- 239000000203 mixture Substances 0.000 claims abstract description 13
- 230000002457 bidirectional effect Effects 0.000 claims description 14
- AYFVYJQAPQTCCC-GBXIJSLDSA-N L-threonine Chemical compound C[C@@H](O)[C@H](N)C(O)=O AYFVYJQAPQTCCC-GBXIJSLDSA-N 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000009423 ventilation Methods 0.000 abstract description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 18
- 229910021529 ammonia Inorganic materials 0.000 description 9
- 230000003321 amplification Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K31/00—Housing birds
-
- 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
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0054—Ammonia
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Environmental Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Immunology (AREA)
- Birds (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Combustion & Propulsion (AREA)
- Ventilation (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
The invention discloses a kind of pouity dwelling place automatic exhaust system, it is characterized in that, main by exhaust fan M, testing circuit, amplifier P1, amplifier P2, the electric capacity C3 that negative pole is connected with the positive pole of amplifier P1, positive pole is connected with testing circuit, the compositions such as the electric capacity C4, the electric capacity C2 that positive pole is connected with the positive pole of electric capacity C3, negative pole is connected with the negative pole of amplifier P1 that negative pole is connected with the outfan of amplifier P1, positive pole positive pole with electric capacity C3 after resistance R4 is connected.The interference signal being entrained in detection signal can be filtered by the present invention, improves the cleannes of detection signal such that it is able to control exhaust fan work more accurately, pouity dwelling place is effectively aerated ventilation, improve the air quality in pouity dwelling place, be beneficial to penkeeping.
Description
Technical field
The present invention relates to home poultry raising field, specifically refer to a kind of pouity dwelling place automatic exhaust system.
Background technology
The environmental aspect of pouity dwelling place is closely related with the health of domestic animal, if the ecological deterioration of pouity dwelling place can cause domestic animal sickness rate
Increasing, in especially big at cultivation density or enclosed breeding environment, owing to ventilation effect is bad, the ammonia within pouity dwelling place is dense
Spending higher, the impact of domestic animal is particularly acute by this.In order to reduce the concentration of ammonia in pouity dwelling place, raiser generally uses automatic aerofluxus
System is aerated aerofluxus to pouity dwelling place, to improve the air quality in pouity dwelling place.But, existing automatic exhaust system is owing to being subject to
The impact of interference signal, its misoperation rate is higher, it is impossible to effectively guarantees the quality of air in pouity dwelling place, brings very with penkeeping
Big impact.
Summary of the invention
It is an object of the invention to overcome existing automatic exhaust system due to the impact of the signal that is interfered, its misoperation
The defect that rate is higher, it is provided that a kind of pouity dwelling place automatic exhaust system.
The purpose of the present invention is achieved through the following technical solutions: a kind of pouity dwelling place automatic exhaust system, mainly by exhaust fan M,
Testing circuit, amplifier P1, amplifier P2, negative pole is connected with the positive pole of amplifier P1, positive pole is connected with testing circuit
Electric capacity C3, the electric capacity that negative pole is connected with the outfan of amplifier P1, positive pole positive pole with electric capacity C3 after resistance R4 is connected
C4, the electric capacity C2 that positive pole is connected with the positive pole of electric capacity C3, negative pole is connected with the negative pole of amplifier P1, be serially connected in electric capacity C3's
Resistance R5 between the negative pole of negative pole and electric capacity C2, positive pole is connected with the negative pole of amplifier P1, negative pole is defeated with amplifier P1's
Go out end the electric capacity C5, the resistance R6 being in parallel with electric capacity C5 that are connected, positive pole is connected with the outfan of amplifier P1, negative pole and
The electric capacity C6 that the positive pole of amplifier P2 is connected, is serially connected in the resistance R7 between positive pole and the outfan of amplifier P2, is serially connected in
Resistance R8 between negative pole and the outfan of amplifier P2, the triggering circuit being connected with the outfan of amplifier P2, Yi Jiyu
Trigger the on-off circuit composition that circuit is connected；The negative pole of described amplifier P1 is connected with testing circuit and triggering circuit respectively
Connect, its outfan then negative pole with amplifier P2 is connected；The outfan of described amplifier P2 is connected with triggering circuit；Described
Trigger circuit to be connected with testing circuit and on-off circuit respectively；Described exhaust fan M is then serially connected in on-off circuit and triggers circuit
Between.
Further, described testing circuit is connected, separately with the H2 pin of gas sensor B by gas sensor B, one end
One end be connected with the negative pole of amplifier P1 while the resistance R2 of ground connection, be serially connected in a pin and the H1 pin of gas sensor B
Between potentiometer R1, the electricity that positive pole is connected with the b pin of gas sensor B, negative pole is connected with the negative pole of amplifier P1
Hold C1, and the resistance R3 composition being in parallel with electric capacity C1；The b pin of described gas sensor B is connected with the positive pole of electric capacity C3
Connect, its a pin is then connected with triggering circuit.
Described triggering circuit is by flip chip U, and audion VT1, P pole is connected with the outfan of amplifier P2, N pole and three
The diode D1 that the base stage of pole pipe VT1 is connected, positive pole is connected with the emitter stage of audion VT1, negative pole and flip chip U
The electric capacity C8 that GND pin is connected, positive pole is connected with the CONT pin of flip chip U, negative pole is connected with the negative pole of electric capacity C8
The electric capacity C9 connect, the resistance R10 being serially connected between the DIS pin of flip chip U and TRIG pin, and positive pole is through resistance R11
Be connected with the VCC pin of flip chip U afterwards, electric capacity C7 that negative pole colelctor electrode with audion VT1 after resistance R9 is connected
Composition；The positive pole of described electric capacity C7 is connected with a pin of gas sensor B；The negative pole of described electric capacity C8 is with amplifier P1's
Negative pole is connected；The negative pole of described electric capacity C9 and the positive pole of electric capacity C7 are collectively forming power input；The RE of described flip chip U
Pin is connected with its VCC pin, its THRE pin then colelctor electrode with audion VT1 is connected, its OUT pin then with switch
Circuit is connected；The negative pole of described electric capacity C9 is also connected with on-off circuit；Exhaust fan M is then serially connected in the positive pole of electric capacity C7 and opens
Close between circuit.
Described on-off circuit is connected with the control end of bidirectional thyristor D3 by bidirectional thyristor D3, N pole, P pole is through resistance
The diode D2 being connected with the OUT pin of flip chip U after R12, and be serially connected in bidirectional thyristor D3 second plate and
Resistance R13 composition between the negative pole of electric capacity C9；The first anode of described bidirectional thyristor D3 after exhaust fan M with electric capacity C7's
Positive pole is connected.
Described flip chip U is the integrated chip of NE555.
The present invention compared with the prior art, has the following advantages and beneficial effect:
The interference signal being entrained in detection signal can be filtered by the present invention, improves the cleannes of detection signal,
It is thus possible to control exhaust fan work more accurately, effectively pouity dwelling place is aerated ventilation, improves the air quality in pouity dwelling place,
It is beneficial to penkeeping.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to
This.
Embodiment
As it is shown in figure 1, the present invention is mainly by exhaust fan M, testing circuit, amplifier P1, amplifier P2, negative pole and amplifier
The electric capacity C3 that the positive pole of P1 is connected, positive pole is connected with testing circuit, negative pole is connected with the outfan of amplifier P1, positive pole
The electric capacity C4 that positive pole with electric capacity C3 is connected after resistance R4, positive pole is connected with the positive pole of electric capacity C3, negative pole and amplifier
The electric capacity C2 that the negative pole of P1 is connected, the resistance R5 being serially connected between the negative pole of electric capacity C3 and the negative pole of electric capacity C2, positive pole with put
The electric capacity C5 that negative pole is connected, negative pole is connected with the outfan of amplifier P1 of big device P1, the resistance being in parallel with electric capacity C5
R6, the electric capacity C6 that positive pole is connected with the outfan of amplifier P1, negative pole is connected with the positive pole of amplifier P2, be serially connected in amplification
Resistance R7 between positive pole and the outfan of device P2, is serially connected in the resistance R8 between negative pole and the outfan of amplifier P2, and puts
The triggering circuit that the outfan of big device P2 is connected, and the on-off circuit composition being connected with triggering circuit.Described amplifier
The negative pole of P1 respectively with testing circuit and trigger circuit and be connected, its outfan then negative pole with amplifier P2 is connected.Described
Trigger circuit to be connected with testing circuit and on-off circuit respectively.Described exhaust fan M is then serially connected in on-off circuit and triggers circuit
Between.
This testing circuit is the concentration of ammonia in detecting pouity dwelling place.This amplifier P1, electric capacity C3, electric capacity C4, resistance R4, electricity
Hold C5 and resistance R6 and constitute the first wave filter；Amplifier P2, electric capacity C6, resistance R7 and resistance R8 then constitute the second filtering
Device；This electric capacity C3 and electric capacity C6 is filter capacitor, and the detection signal of testing circuit output is carried by after the first filters filter
To the second wave filter, then being filtered by the second wave filter, detection signal can preferably eliminate interference after twice filtration
Signal, improves the cleannes of detection signal such that it is able to controls exhaust fan work more accurately, is effectively aerated pouity dwelling place
Ventilation, improves the air quality in pouity dwelling place, is beneficial to penkeeping.This amplifier P1 and amplifier P2 is OPA603 type and amplifies
Device, the capacitance of electric capacity C3 and electric capacity C6 is 100 μ F, and the capacitance of electric capacity C2, electric capacity C4 and electric capacity C5 is 0.5 μ F, resistance
The resistance of R4～R8 is 10K Ω.
This testing circuit is by gas sensor B, and one end is connected with the H2 pin of gas sensor B, the other end and amplification
The negative pole of device P1 be connected while the resistance R2 of ground connection, be serially connected in the current potential between a pin of gas sensor B and H1 pin
Device R1, the electric capacity C1, Yi Jiyu that positive pole is connected with the b pin of gas sensor B, negative pole is connected with the negative pole of amplifier P1
The resistance R3 composition that electric capacity C1 is in parallel.The b pin of described gas sensor B is connected with the positive pole of electric capacity C3, its a pin then
It is connected with triggering circuit.
This gas sensor B is arranged in pouity dwelling place, and the concentration of ammonia in detecting pouity dwelling place, it uses MQ137 type air-sensitive
Sensor.Can set, by potentiometer R1, the Cmax value that ammonia in pouity dwelling place is allowed during work, its maximum value is
50KΩ.The resistance of resistance R2 is 20K Ω, and the resistance of resistance R3 is then 5K Ω, and the capacitance of electric capacity C1 is 47 μ F.
Described triggering circuit is by flip chip U, audion VT1, diode D1, resistance R9, resistance R10, resistance R11, electricity
Hold C7, electric capacity C8 and electric capacity C9 composition.
The P pole of described diode D1 is connected with the outfan of amplifier P2, and N pole is connected with the base stage of audion VT1.
The positive pole of electric capacity C8 is connected with the emitter stage of audion VT1, and negative pole is connected with the GND pin of flip chip U.Electric capacity C9's
Positive pole is connected with the CONT pin of flip chip U, and negative pole is connected with the negative pole of electric capacity C8.Resistance R10 is serially connected in triggering core
Between DIS pin and the TRIG pin of sheet U.The positive pole of electric capacity C7 VCC pin with flip chip U after resistance R11 is connected,
Negative pole colelctor electrode with audion VT1 after resistance R9 is connected.
The positive pole of described electric capacity C7 is connected with a pin of gas sensor B.The negative pole of described electric capacity C8 and amplifier P1
Negative pole be connected.The negative pole of described electric capacity C9 and the positive pole of electric capacity C7 are collectively forming power input.Described flip chip U's
RE pin is connected with its VCC pin, and its THRE pin then colelctor electrode with audion VT1 is connected, its OUT pin then with open
Pass circuit is connected.The negative pole of described electric capacity C9 is also connected with on-off circuit.Exhaust fan M be then serially connected in electric capacity C7 positive pole and
Between on-off circuit.
This diode D1 is 2CK10 type switching diode, and the model of audion VT1 is 9013, electric capacity C7's and electric capacity C8
Capacitance is 10 μ F, and the capacitance of electric capacity C9 is then 0.01 μ F, and the resistance of resistance R9～R11 is 5K Ω.This flip chip U uses
The integrated chip of NE555.
It addition, described on-off circuit is connected with the control end of bidirectional thyristor D3 by bidirectional thyristor D3, N pole, P pole warp
The diode D2 being connected with the OUT pin of flip chip U after resistance R12, and it is serially connected in second sun of bidirectional thyristor D3
Resistance R13 composition between the negative pole of pole and electric capacity C9.The first anode of described bidirectional thyristor D3 after exhaust fan M with electric capacity
The positive pole of C7 is connected.
The model of this bidirectional thyristor D3 is TAG8518, and the resistance of resistance R12 is 200K Ω, and diode D2 is 2CK10 type
Switching diode, the resistance of resistance R13 is 10K Ω.
During work, the concentration of ammonia in gas sensor B Real-time Collection pouity dwelling place, if the concentration of ammonia does not surpass in pouity dwelling place
When crossing allowed maximum, the resistance between a pin and the b pin of gas sensor B is relatively big, and the current potential of its b pin is the lowest,
Diode D1 and audion VT1 cut-off；The THRE pin of flip chip U is high level, and flip chip U resets, and its OUT pin is defeated
Going out low level, diode D2 and bidirectional thyristor D3 cut-off, exhaust fan M does not works.If the concentration of ammonia is higher than permitting in pouity dwelling place
During the Cmax value permitted, the resistance between a pin and the b pin of gas sensor B diminishes, its b pin output high level, and
To flowing to after the first wave filter and the second filter process trigger circuit, so that diode D1 and audion VT1 conducting, this
Time flip chip U THRE pin be low level, its OUT pin of flip chip U set output high level, now diode D2 and
Bidirectional thyristor D3 turns on, and exhaust fan M starts to discharge the air in pouity dwelling place, thus improves the air quality in pouity dwelling place.Work as fowl
When in house, ammonia concentration drops to below the Cmax value of permission, exhaust fan M then quits work.
The interference signal being entrained in detection signal can be filtered by the present invention, improves the cleannes of detection signal,
It is thus possible to control exhaust fan work more accurately, effectively pouity dwelling place is aerated ventilation, improves the air quality in pouity dwelling place,
It is beneficial to penkeeping.
As it has been described above, just can well realize the present invention.
Claims (5)
1. a pouity dwelling place automatic exhaust system, it is characterised in that main by exhaust fan M, testing circuit, amplifier P1, amplifier
P2, the electric capacity C3 that negative pole is connected with the positive pole of amplifier P1, positive pole is connected with testing circuit, negative pole is defeated with amplifier P1's
Going out the electric capacity C4 that end is connected, positive pole positive pole with electric capacity C3 after resistance R4 is connected, positive pole is connected with the positive pole of electric capacity C3
Connect, electric capacity C2 that negative pole is connected with the negative pole of amplifier P1, be serially connected between the negative pole of electric capacity C3 and the negative pole of electric capacity C2
Resistance R5, the electric capacity C5 that positive pole is connected with the negative pole of amplifier P1, negative pole is connected with the outfan of amplifier P1, with electric capacity
The resistance R6 that C5 is in parallel, the electricity that positive pole is connected with the outfan of amplifier P1, negative pole is connected with the positive pole of amplifier P2
Hold C6, be serially connected in the resistance R7 between positive pole and the outfan of amplifier P2, be serially connected in the negative pole of amplifier P2 and outfan it
Between resistance R8, the triggering circuit being connected with the outfan of amplifier P2, and with trigger the on-off circuit that is connected of circuit
Composition；The negative pole of described amplifier P1 respectively with testing circuit and trigger that circuit is connected, its outfan is then with amplifier P2's
Negative pole is connected；The outfan of described amplifier P2 is connected with triggering circuit；Described triggering circuit respectively with testing circuit and
On-off circuit is connected；Described exhaust fan M is then serially connected in on-off circuit and triggers between circuit.
A kind of pouity dwelling place automatic exhaust system the most according to claim 1, it is characterised in that described testing circuit is passed by air-sensitive
Sensor B, ground connection while one end is connected with the H2 pin of gas sensor B, the other end is connected with the negative pole of amplifier P1
Resistance R2, the potentiometer R1 being serially connected between a pin of gas sensor B and H1 pin, the b of positive pole and gas sensor B
The electric capacity C1 that pin is connected, negative pole is connected with the negative pole of amplifier P1, and the resistance R3 composition being in parallel with electric capacity C1；
The b pin of described gas sensor B is connected with the positive pole of electric capacity C3, its a pin is then connected with triggering circuit.
A kind of pouity dwelling place automatic exhaust system the most according to claim 2, it is characterised in that described triggering circuit is by triggering core
Sheet U, the diode that audion VT1, P pole is connected with the outfan of amplifier P2, N pole is connected with the base stage of audion VT1
D1, the electric capacity C8 that positive pole is connected with the emitter stage of audion VT1, negative pole is connected with the GND pin of flip chip U, positive pole
Be connected with the CONT pin of flip chip U, electric capacity C9 that negative pole is connected with the negative pole of electric capacity C8, be serially connected in flip chip U
DIS pin and TRIG pin between resistance R10, and positive pole VCC pin with flip chip U after resistance R11 is connected
Connect, electric capacity C7 composition that negative pole colelctor electrode with audion VT1 after resistance R9 is connected；The positive pole of described electric capacity C7 and air-sensitive
The a pin of sensor B is connected；The negative pole of described electric capacity C8 is connected with the negative pole of amplifier P1；The negative pole of described electric capacity C9
It is collectively forming power input with the positive pole of electric capacity C7；The RE pin of described flip chip U is connected with its VCC pin, it
THRE pin then colelctor electrode with audion VT1 is connected, its OUT pin is then connected with on-off circuit；Described electric capacity C9's
Negative pole is also connected with on-off circuit；Exhaust fan M is then serially connected between positive pole and the on-off circuit of electric capacity C7.
A kind of pouity dwelling place automatic exhaust system the most according to claim 3, it is characterised in that described on-off circuit is by two-way crystalline substance
Brake tube D3, N pole and bidirectional thyristor D3 control that end is connected, P pole OUT pin with flip chip U after resistance R12 is connected
The diode D2 connect, and the resistance R13 composition being serially connected between the second plate of bidirectional thyristor D3 and the negative pole of electric capacity C9；
The first anode of described bidirectional thyristor D3 positive pole with electric capacity C7 after exhaust fan M is connected.
A kind of pouity dwelling place automatic exhaust system the most according to claim 4, it is characterised in that described flip chip U is NE555
Integrated chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610854961.8A CN106246588A (en) | 2016-09-27 | 2016-09-27 | A kind of pouity dwelling place automatic exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610854961.8A CN106246588A (en) | 2016-09-27 | 2016-09-27 | A kind of pouity dwelling place automatic exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106246588A true CN106246588A (en) | 2016-12-21 |
Family
ID=57611003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610854961.8A Withdrawn CN106246588A (en) | 2016-09-27 | 2016-09-27 | A kind of pouity dwelling place automatic exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106246588A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108268062A (en) * | 2018-01-02 | 2018-07-10 | 陈炳华 | A kind of toilet exhaust fan control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61195026A (en) * | 1985-02-25 | 1986-08-29 | Matsushita Electric Ind Co Ltd | Mute circuit |
| CN202338502U (en) * | 2011-11-14 | 2012-07-18 | 陈彧 | Intelligent air exhausting device |
| CN203643822U (en) * | 2013-12-23 | 2014-06-11 | 陕西理工学院 | Integrated device for birdhouse environmental parameter detection and regulation |
| CN104362990A (en) * | 2014-11-18 | 2015-02-18 | 无锡科思电子科技有限公司 | TR (Transmitter and Receiver) assembly using MC1741 as power amplifier |
| CN104485896A (en) * | 2014-11-18 | 2015-04-01 | 无锡科思电子科技有限公司 | Low-noise amplifier circuit TR (transmitter-receiver) component with TA7505 double amplification structure |
| CN104533824A (en) * | 2015-01-07 | 2015-04-22 | 山东科技大学 | Standard henhouse multi-way draught fan state distributed wireless and automatic monitoring system |
| CN104612991A (en) * | 2013-11-05 | 2015-05-13 | 成都中阔科技有限责任公司 | Automatic control device for exhaust fan of industrial waste gas treatment chamber |
-
2016
- 2016-09-27 CN CN201610854961.8A patent/CN106246588A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61195026A (en) * | 1985-02-25 | 1986-08-29 | Matsushita Electric Ind Co Ltd | Mute circuit |
| CN202338502U (en) * | 2011-11-14 | 2012-07-18 | 陈彧 | Intelligent air exhausting device |
| CN104612991A (en) * | 2013-11-05 | 2015-05-13 | 成都中阔科技有限责任公司 | Automatic control device for exhaust fan of industrial waste gas treatment chamber |
| CN203643822U (en) * | 2013-12-23 | 2014-06-11 | 陕西理工学院 | Integrated device for birdhouse environmental parameter detection and regulation |
| CN104362990A (en) * | 2014-11-18 | 2015-02-18 | 无锡科思电子科技有限公司 | TR (Transmitter and Receiver) assembly using MC1741 as power amplifier |
| CN104485896A (en) * | 2014-11-18 | 2015-04-01 | 无锡科思电子科技有限公司 | Low-noise amplifier circuit TR (transmitter-receiver) component with TA7505 double amplification structure |
| CN104533824A (en) * | 2015-01-07 | 2015-04-22 | 山东科技大学 | Standard henhouse multi-way draught fan state distributed wireless and automatic monitoring system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108268062A (en) * | 2018-01-02 | 2018-07-10 | 陈炳华 | A kind of toilet exhaust fan control system |
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Application publication date: 20161221 |