CN104808724B - A kind of bathroom ventilation control method - Google Patents
A kind of bathroom ventilation control method Download PDFInfo
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- CN104808724B CN104808724B CN201510100697.4A CN201510100697A CN104808724B CN 104808724 B CN104808724 B CN 104808724B CN 201510100697 A CN201510100697 A CN 201510100697A CN 104808724 B CN104808724 B CN 104808724B
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- mcu
- main aperture
- draught
- aperture
- deflector
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Abstract
The invention discloses a kind of bathroom ventilation control method, upper hole vent window (3) and the exhaust fan (4) installed of the exterior wall (1) in bathroom, and at bath indoor location gas monitor and control device;Hole vent window includes frame (5), the glass being fixed in frame, the draught-deflector (14) being arranged in frame and the motor (8) being arranged on frame;Glass is provided with the main aperture (13) queuing draught effect more;The axis of main aperture is vertical with glass;Described gas monitor and control device includes MCU, gas concentration sensor, displacement transducer, display screen, audible-visual annunciator and power module.Native system uses gas concentration detection to control with the aperture of the main aperture on window and the on off control of exhaust fan combines, thus ensures the safety of bathroom user to greatest extent.This bathroom ventilation control method can effectively eliminate the threat that gas leakage in bathroom causes, and safety is high.
Description
Technical field
The present invention relates to a kind of bathroom ventilation control method.
Background technology
Gas heater typically install in bathroom, although the function of present gas heater is more and more abundanter,
Quality have also been obtained the biggest lifting, but, still cannot ensure gas leakage completely, be additionally, since combustion gas
The installation of water heater smoke pipe is not in place, will also result in gas leakage, has many reports once to report due to combustion gas heat
Hydrophone itself or the reason installed cause the accident of carbon monoxide poisoning, therefore, it is necessary to design a kind of brand-new bathroom
Aeration control method, to improve the safety in bathroom.
Summary of the invention
The technical problem to be solved is to provide a kind of bathroom ventilation control method, and this bathroom ventilation controls
Method can effectively eliminate the threat that gas leakage in bathroom causes, and safety is high.
The technical solution of invention is as follows:
A kind of bathroom ventilation control method, the exterior wall (1) in bathroom is upper installs hole vent window (3) and air draft
Fan (4), and at bath indoor location gas monitor and control device;
Hole vent window includes frame (5), be fixed in frame glass, the draught-deflector (14) being arranged in frame
And the motor (8) being arranged on frame;
Glass is provided with the main aperture (13) queuing draught effect more;The axis of main aperture is vertical with glass;
Frame is formed by top margin bar, skirt rail and the side strip docking of two, left and right;The inner side of two side strips in left and right is all provided with
Chute, described draught-deflector is had to be arranged in chute and can slide up and down in frame along chute;
Motor is arranged on the skirt rail of frame;(9) are taken turns equipped with active line on the main shaft of motor;The top margin of frame
Bar is provided with from moving-wire wheel (11) and intermediate line wheel (10);From moving-wire position of wheel in the middle position of top margin bar;
The one ends wound of bracing wire (15) is on active line is taken turns, and the other end of bracing wire pile warp intermediate line successively is taken turns and from moving-wire
Take turns and be finally fixed at the top of draught-deflector;The bracing wire that rotarily drives of motor drives draught-deflector to make elevating movement;
Draught-deflector is provided with deep bead (17), along with the aperture of the lift adjustment main aperture of deep bead, when deep bead keeps off
When living main aperture, main aperture is closed, when deep bead staggers with main bore section or staggers completely, and main aperture pair
Should be at partially opening or full open position;
Described gas monitor and control device include MCU, gas concentration sensor, displacement transducer, display screen,
Audible-visual annunciator and power module;
Gas concentration sensor, displacement transducer, display screen, audible-visual annunciator and power module are all and MCU
It is connected;
Motor and exhaust fan are controlled by MCU;
Gas concentration sensor acquisition to gas concentration value enter in MCU;
The position data of the draught-deflector that displacement transducer collects enters in MCU;
Gas monitor and control device also includes the pyroelectric infrared sensor being connected with MCU, pyroelectric infrared sensor
Whether the signal collected enters in MCU, have people movable to detect in bathroom;
Hole vent window and exhaust fan is controlled to realize the Ventilation Control in bathroom by gas monitor and control device;
After gas monitor and control device initializes, MCU monitoring pyroelectric infrared sensor and gas concentration sensor defeated
Going out signal, enforcement is following to be controlled:
Having people movable in bathroom if MCU is detected by pyroelectric infrared sensor, MCU is based on gas concentration pair
The aperture of main aperture is implemented to control, and controls process as follows:
Current gas concentration is C;
(1) as C >=C1, C1 is first threshold, then MCU drives draught-deflector action by motor, increases main
The aperture in hole or the aperture of increase main aperture are to 1, and open exhaust fan;
(2) reduce and C < C1 as C, then MCU drives draught-deflector action by motor so that main aperture recovers
To the state of initial opening, and close exhaust fan;Initial opening is 0 or 0.5 degree, and 0 represents closedown, 1 table
Showing and fully open, half is opened in 0.5 degree of expression, it would however also be possible to employ the aperture of main aperture is entered by conventional pid algorithm
Row closed loop control;
(3) as C >=C2, C2 is Second Threshold, C2 > C1, then MCU drives draught-deflector action by motor,
The aperture of increase main aperture, to 1, is opened exhaust fan and starts audible-visual annunciator enforcement warning.
Described power module include lithium battery, solar panels (2), mains-supplied module, A/D converter and
Relay;
Solar panels are lithium cell charging, and lithium battery is that MCU, display screen, motor and A/D converter are powered;
Mains-supplied module is integrated with transformator and bridge rectifier, and mains-supplied module is opened through the normally opened of relay
Close as lithium cell charging;The voltage output end of the input termination lithium battery of A/D converter, A/D converter
The I/O interface of output termination MCU;
A/D converter detects the magnitude of voltage V of lithium battery and is sent to MCU;
(1) under original state, solar panels it is individually for lithium cell charging;
(2) close less than preset voltage value, then MCU starting relay, the normal open switch of relay as V, by
Mains-supplied module is lithium cell charging.
Described gas monitor and control device also includes the 4G communication module being connected with MUC.
The left side edge strip of described frame is provided with the upper limit position switch (6) for monitoring draught-deflector operational limit position
With lower position switch (7).If upper limit position switch is triggered, illustrate that draught-deflector has run to topmost, as
Really lower position switch is triggered, then explanation draught-deflector has run to bottom;
Described main aperture is 6 rows, and a component is three groups two-by-two, the spacing between first group and second group and
Spacing between two groups and the 3rd group is equal;
Draught-deflector is provided with three pieces of deep beads being equally spaced (17);Three pieces of deep beads and three groups of main apertures are corresponding:
When first piece of deep bead blocks first group of main aperture, second piece of deep bead and the 3rd piece of deep bead block second the most respectively
Group main aperture and the 3rd group of main aperture;When first piece of deep bead staggers with first group of main aperture completely, second piece of deep bead and
3rd piece of deep bead staggers with second group of main aperture and the 3rd group of main aperture the most completely;Have between adjacent deep bead
Having opening (18), the width of the above-below direction of opening is identical with the width of the above-below direction of deep bead.
Being additionally provided with multiple rows of inclined hole (12) on glass, the diameter of inclined hole is less than the diameter of main aperture;The axis of inclined hole with
The angle of glass is 15 °-60 °, and the position of the outward opening of inclined hole is less than the position of inner opening.The effect of inclined hole
It is both to have ventilated, the most rainproof;
The axis of inclined hole and the angle of glass are 45 ° or 30 °.
The handle (16) being easy to manual window opening it is additionally provided with on frame.
Described MCU is 51 single-chip microcomputers, DSP or arm processor.
Coal gas be mainly composed of carbon monoxide, carbon monoxide aggressivity is very strong, containing 0.04%~0.06% in air
When (volume ratio) or concentrations above, carbon monoxide can quickly enter blood flow, seizes human body in the short period of time
Interior all of erythrocyte, the hemoglobin held on in erythrocyte is not put so that it is form carboxyhemoglobin,
Replace the HbO2 Oxyhemoglobin that oxygen and hemoglobin are combined under normal circumstances, make hemoglobin lose conveying oxygen
The function of gas.Carbon monoxide bigger than the adhesion of oxygen Yu hemoglobin 300 times with the adhesion of hemoglobin.One
After carbon monoxide poisoning, blood of human body can not supply the sufficient oxygen of body tissue's organ in time, at this moment, oxygen-containing in blood
Amount is decreased obviously.Brain is one of organ needing most oxygen, once breaks off oxygen supply, due to internal oxygen
Gas the most enough consumes 10 minutes, quickly causes stupor the threat to life of people.
Therefore, C2 is set to 0.04%, and C1 is set to 1/10th of C2, and i.e. 0.004%.
Beneficial effect:
The bathroom ventilation control method of the present invention, uses the aperture control of gas concentration detection and the main aperture on window
The on off control of system and exhaust fan combines, and when gas leakage, can effectively dilute the combustion gas in bathroom, when
When combustion gas reaches the warning value in bathroom and cannot dilute in time, then provide warning, thus ensure bath to greatest extent
The safety of room user.
The smart structural design of window, uses unique draught-deflector that can lift to control the aperture of main aperture, from
And realize ventilation parameters, intelligent high.Lift drive mechanism uses motor, line wheel and thread drawing mechanism, controlling party
Just, it is easy to implement.
The design of inclined hole is also one of original creation point, and such secondary ventilation pattern can keep the most logical of window the moment
Wind (even if when main aperture is plugged also can secondary ventilation), and the design of outer mouth down can prevent rainwater from tiltedly
Hole enters indoor.
This bathroom ventilation control method uses solar powered and two kinds of powering modes of mains-supplied, with the sun
Can power as preferentially, energy-conserving and environment-protective, when solar energy cannot meet power supply, automatically by the switching of mains-supplied module
As early as possible, safeguards system is properly functioning.
This method also uses pyroelectric infrared sensor to carry out assist control, and pyroelectric infrared sensor is used for examining
Whether there is people movable in surveying bathroom, when having people's activity, just start gas monitor and control, so that the enforcement of this method
More energy-conserving and environment-protective, and more intelligent.
The present invention uses display to be used for showing that relevent information is (such as current gas content, system operation information
Deng), use 4G communication module, thus be conducive to remotely controlling this bathroom ventilation control method based on shutter,
And warning message is sent to long-range mobile phone terminal or other monitor terminals so that this method more uses, more
Hommization.
In sum, this bathroom ventilation control method has hommization, an intelligentized feature, and implement
During energy-conserving and environment-protective, can conscientiously ensure the safety of the people, be worthy to be popularized enforcement.
Accompanying drawing explanation
Fig. 1 is the electric theory diagram of gas monitor and control device;
Fig. 2 is the structure schematic diagram (state diagram when main aperture is blocked completely) of hole vent window;
Fig. 3 is the structure schematic diagram (state diagram when main aperture is not blocked) of hole vent window;
Fig. 4 is the side structure schematic diagram (state diagram when main aperture is blocked completely) of hole vent window;
Fig. 5 is the side structure schematic diagram (state diagram when main aperture is not blocked) of hole vent window.
Fig. 6 is the installation site schematic diagram of solar panels, exhaust fan and hole vent window.
Label declaration: 1-exterior wall, 2-solar panels, 3-hole vent window, 4-exhaust fan;5-frame, 6-
Upper limit position switch, 7-lower position switch, 8-motor, 9-actively line wheel, 10-intermediate line wheel, 11-takes turns from moving-wire,
12-inclined hole, 13-main aperture, 14-draught-deflector, 15-bracing wire, 16-handle, 17-deep bead, 18-opening.
Detailed description of the invention
Below with reference to the drawings and specific embodiments, the present invention is described in further details:
Embodiment 1: such as Fig. 1-6, a kind of bathroom ventilation control method, install hole on the exterior wall 1 in bathroom
Vent window 3 and exhaust fan 4, and at bath indoor location gas monitor and control device;
Hole vent window include frame 5, the glass being fixed in frame, the draught-deflector 14 that is arranged in frame with
And the motor 8 being arranged on frame;
Glass is provided with the main aperture 13 queuing draught effect more;The axis of main aperture is vertical with glass;
Frame is formed by top margin bar, skirt rail and the side strip docking of two, left and right;The inner side of two side strips in left and right
Being equipped with chute, described draught-deflector is arranged in chute and can slide up and down in frame along chute;
Motor is arranged on the skirt rail of frame;9 are taken turns equipped with active line on the main shaft of motor;The top margin bar of frame
It is provided with from moving-wire wheel 11 and intermediate line wheel 10;From moving-wire position of wheel in the middle position of top margin bar;Bracing wire 15
One ends wound active line take turns on, the other end of bracing wire pile warp intermediate line successively wheel and from moving-wire wheel and finally consolidate
It is scheduled on the top of draught-deflector;The bracing wire that rotarily drives of motor drives draught-deflector to make elevating movement;
Draught-deflector is provided with deep bead 17, along with the aperture of the lift adjustment main aperture of deep bead, when deep bead blocks
During main aperture, main aperture is closed, and when deep bead staggers with main bore section or staggers completely, main aperture is corresponding
It is in and partially opens or full open position;
Described gas monitor and control device includes MCU, gas concentration sensor, displacement transducer, display screen, sound
Light crossing-signal and power module;
Gas concentration sensor, displacement transducer, display screen, audible-visual annunciator and power module are all and MCU
It is connected;
Motor and exhaust fan are controlled by MCU;
Gas concentration sensor acquisition to gas concentration value enter in MCU;
The position data of the draught-deflector that displacement transducer collects enters in MCU;
Gas monitor and control device also includes the pyroelectric infrared sensor being connected with MCU, pyroelectric infrared sensor
Whether the signal collected enters in MCU, have people movable to detect in bathroom;
Hole vent window and exhaust fan is controlled to realize the Ventilation Control in bathroom by gas monitor and control device;
After gas monitor and control device initializes, MCU monitoring pyroelectric infrared sensor and gas concentration sensor defeated
Going out signal, enforcement is following to be controlled:
Having people movable in bathroom if MCU is detected by pyroelectric infrared sensor, MCU is based on gas concentration pair
The aperture of main aperture is implemented to control, and controls process as follows:
Current gas concentration is C;
(1) as C >=C1, C1 is first threshold, then MCU drives draught-deflector action by motor, increases main
The aperture in hole or the aperture of increase main aperture are to 1, and open exhaust fan;
(2) reduce and C < C1 as C, then MCU drives draught-deflector action by motor so that main aperture recovers
To the state of initial opening, and close exhaust fan;Initial opening is 0 or 0.5 degree, and 0 represents closedown, 1 table
Showing and fully open, half is opened in 0.5 degree of expression, it would however also be possible to employ the aperture of main aperture is entered by conventional pid algorithm
Row closed loop control;
(3) as C >=C2, C2 is Second Threshold, C2 > C1, then MCU drives draught-deflector action by motor,
The aperture of increase main aperture, to 1, is opened exhaust fan and starts audible-visual annunciator enforcement warning.
Described power module includes lithium battery, solar panels 2, mains-supplied module, A/D converter and relay
Device;
Solar panels are lithium cell charging, and lithium battery is that MCU, display screen, motor and A/D converter are powered;
Mains-supplied module is integrated with transformator and bridge rectifier, and mains-supplied module is opened through the normally opened of relay
Close as lithium cell charging;The voltage output end of the input termination lithium battery of A/D converter, A/D converter
The I/O interface of output termination MCU;
A/D converter detects the magnitude of voltage V of lithium battery and is sent to MCU;
(1) under original state, solar panels it is individually for lithium cell charging;
(2) close less than preset voltage value, then MCU starting relay, the normal open switch of relay as V, by
Mains-supplied module is lithium cell charging.
Described gas monitor and control device also includes the 4G communication module being connected with MUC.
The left side edge strip of described frame is provided with upper limit position switch 6 He for monitoring draught-deflector operational limit position
Lower position switch 7.If upper limit position switch is triggered, illustrate that draught-deflector has run to topmost, if under
Limit switch is triggered, then explanation draught-deflector has run to bottom;
Described main aperture is 6 rows, and a component is three groups two-by-two, the spacing between first group and second group and
Spacing between two groups and the 3rd group is equal;
Draught-deflector is provided with three pieces of deep beads being equally spaced 17;Three pieces of deep beads and three groups of main apertures are corresponding: the
When one piece of deep bead blocks first group of main aperture, second piece of deep bead and the 3rd piece of deep bead block second group the most respectively
Main aperture and the 3rd group of main aperture;When first piece of deep bead staggers with first group of main aperture completely, second piece of deep bead and the
Three pieces of deep beads stagger with second group of main aperture and the 3rd group of main aperture the most completely;Have between adjacent deep bead
Opening 18, the width of the above-below direction of opening is identical with the width of the above-below direction of deep bead.
Being additionally provided with multiple rows of inclined hole 12 on glass, the diameter of inclined hole is less than the diameter of main aperture;The axis of inclined hole and glass
The angle of glass is 15 °-60 °, and the position of the outward opening of inclined hole is less than the position of inner opening.The effect of inclined hole is
Both ventilated, the most rainproof;
The axis of inclined hole and the angle of glass are 45 ° or 30 °.
The handle 16 being easy to manual window opening it is additionally provided with on frame.
Described MCU is 51 single-chip microcomputers, DSP or arm processor.
The installation warrants practical situation of described C1 and C2 is arranged.
Mains-supplied module and blade of louver window angle electrical control mechanism are the prior art of maturation.
Claims (9)
1. a bathroom ventilation control method, it is characterised in that upper hole vent window (3) and the exhaust fan (4) installed of the exterior wall (1) in bathroom, and at bath indoor location gas monitor and control device;
Hole vent window includes frame (5), the glass being fixed in frame, the draught-deflector (14) being arranged in frame and the motor (8) being arranged on frame;
Glass is provided with the main aperture (13) queuing draught effect more;The axis of main aperture is vertical with glass;
Frame is formed by top margin bar, skirt rail and the side strip docking of two, left and right;The inner side of two side strips in left and right is equipped with chute, and described draught-deflector is arranged in chute and can slide up and down in frame along chute;
Motor is arranged on the skirt rail of frame;(9) are taken turns equipped with active line on the main shaft of motor;The top margin bar of frame is provided with from moving-wire wheel (11) and intermediate line wheel (10);From moving-wire position of wheel in the middle position of top margin bar;The one ends wound of bracing wire (15) is on active line is taken turns, and the other end of bracing wire pile warp intermediate line successively is taken turns and takes turns and be finally fixed at the top of draught-deflector from moving-wire;The bracing wire that rotarily drives of motor drives draught-deflector to make elevating movement;
Draught-deflector is provided with deep bead (17), along with the aperture of the lift adjustment main aperture of deep bead, when deep bead blocks main aperture, main aperture is closed, when deep bead staggers with main bore section or staggers completely, main aperture correspondence is in and partially opens or full open position;
Described gas monitor and control device includes MCU, gas concentration sensor, displacement transducer, display screen, audible-visual annunciator and power module;
Gas concentration sensor, displacement transducer, display screen, audible-visual annunciator are all connected with MCU with power module;Motor and exhaust fan are controlled by MCU;
Gas concentration sensor acquisition to gas concentration value enter in MCU;
The position data of the draught-deflector that displacement transducer collects enters in MCU;
Whether gas monitor and control device also includes the pyroelectric infrared sensor being connected with MCU, and the signal that pyroelectric infrared sensor collects enters in MCU, have people movable to detect in bathroom;
Hole vent window and exhaust fan is controlled to realize the Ventilation Control in bathroom by gas monitor and control device;
After gas monitor and control device initializes, MCU monitoring pyroelectric infrared sensor and the output signal of gas concentration sensor, enforcement is following to be controlled:
Having people movable in bathroom if MCU is detected by pyroelectric infrared sensor, the aperture of main aperture is implemented to control by MCU based on gas concentration, controls process as follows:
Current gas concentration is C;
(1) as C >=C1, C1 is first threshold, then MCU drives draught-deflector action by motor, and the aperture of increase main aperture or the aperture of increase main aperture are to 1, and open exhaust fan;
(2) reduce and C < C1 as C, then MCU drives draught-deflector action by motor so that main aperture returns to the state of initial opening, and closes exhaust fan;
(3) as C >=C2, C2 is Second Threshold, C2 > C1, then MCU drives draught-deflector action by motor, and the aperture of increase main aperture, to 1, is opened exhaust fan and starts audible-visual annunciator enforcement warning.
Bathroom ventilation control method the most according to claim 1, it is characterised in that described power module includes lithium battery, solar panels (2), mains-supplied module, A/D converter and relay;
Solar panels are lithium cell charging, and lithium battery is that MCU, display screen, motor and A/D converter are powered;
Mains-supplied module is integrated with transformator and bridge rectifier, and mains-supplied module is lithium cell charging through the normal open switch of relay;The voltage output end of the input termination lithium battery of A/D converter, the I/O interface of the output termination MCU of A/D converter;
A/D converter detects the magnitude of voltage V of lithium battery and is sent to MCU;
(1) under original state, solar panels it is individually for lithium cell charging;
(2) when V is less than preset voltage value, then MCU starting relay, and the normal open switch Guan Bi of relay, is lithium cell charging by mains-supplied module.
Bathroom ventilation control method the most according to claim 1, it is characterised in that described gas monitor and control device also includes the 4G communication module being connected with MCU.
Bathroom ventilation control method the most according to claim 1, it is characterised in that the left side edge strip of described frame is provided with the upper limit position switch (6) for monitoring draught-deflector operational limit position and lower position switch (7).
Bathroom ventilation control method the most according to claim 1, it is characterised in that described main aperture is 6 rows, a component is three groups two-by-two, and the spacing between spacing and second group and the 3rd group between first group and second group is equal;
Draught-deflector is provided with three pieces of deep beads being equally spaced (17);Three pieces of deep beads and three groups of main apertures are corresponding: when first piece of deep bead blocks first group of main aperture, and second piece of deep bead and the 3rd piece of deep bead block second group of main aperture and the 3rd group of main aperture the most respectively;When first piece of deep bead staggers with first group of main aperture completely, second piece of deep bead and the 3rd piece of deep bead stagger with second group of main aperture and the 3rd group of main aperture the most completely;Having opening (18) between adjacent deep bead, the width of the above-below direction of opening is identical with the width of the above-below direction of deep bead.
Bathroom ventilation control method the most according to claim 1, it is characterised in that be additionally provided with multiple rows of inclined hole (12) on glass, the diameter of inclined hole is less than the diameter of main aperture;The axis of inclined hole and the angle of glass are 15 °-60 °, and the position of the outward opening of inclined hole is less than the position of inner opening.
Bathroom ventilation control method the most according to claim 6, it is characterised in that the axis of inclined hole and the angle of glass are 45 ° or 30 °.
Bathroom ventilation control method the most according to claim 1, it is characterised in that be additionally provided with the handle (16) being easy to manual window opening on frame.
9. according to the bathroom ventilation control method described in any one of claim 1-8, it is characterised in that described MCU is 51 single-chip microcomputers, DSP or arm processor.
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CN201510100697.4A CN104808724B (en) | 2015-03-08 | 2015-03-08 | A kind of bathroom ventilation control method |
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CN201510100697.4A CN104808724B (en) | 2015-03-08 | 2015-03-08 | A kind of bathroom ventilation control method |
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CN104808724B true CN104808724B (en) | 2016-09-21 |
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CN115092561A (en) * | 2022-06-06 | 2022-09-23 | 国家能源集团国源电力有限公司 | Coal bunker spontaneous combustion prevention device and coal bunker |
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CN201592643U (en) * | 2010-02-01 | 2010-09-29 | 中南林业科技大学 | Double glazing glass with breather adjusting holes |
JP2012037176A (en) * | 2010-08-10 | 2012-02-23 | Osaka Gas Co Ltd | Ventilation system |
CN102645908A (en) * | 2011-02-16 | 2012-08-22 | 黄晓华 | Gas-leakage emergency protection device |
CN202632482U (en) * | 2012-04-09 | 2012-12-26 | 上海理工大学 | Intelligent household combustion gas leakage processing apparatus |
KR20130017658A (en) * | 2011-08-11 | 2013-02-20 | 동 규 김 | Ventilating apparatus |
CN203499507U (en) * | 2013-09-10 | 2014-03-26 | 中彩建工园林集团有限公司 | Perforated glass window |
WO2014161507A1 (en) * | 2013-04-06 | 2014-10-09 | Yue Tiegang | Structure of translation window capable of outwardly discharging harmful gas at the upper part of kitchen |
CN104374061A (en) * | 2014-11-20 | 2015-02-25 | 无锡科思电子科技有限公司 | Bathroom ventilation control system |
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2015
- 2015-03-08 CN CN201510100697.4A patent/CN104808724B/en not_active Expired - Fee Related
Patent Citations (8)
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---|---|---|---|---|
CN201592643U (en) * | 2010-02-01 | 2010-09-29 | 中南林业科技大学 | Double glazing glass with breather adjusting holes |
JP2012037176A (en) * | 2010-08-10 | 2012-02-23 | Osaka Gas Co Ltd | Ventilation system |
CN102645908A (en) * | 2011-02-16 | 2012-08-22 | 黄晓华 | Gas-leakage emergency protection device |
KR20130017658A (en) * | 2011-08-11 | 2013-02-20 | 동 규 김 | Ventilating apparatus |
CN202632482U (en) * | 2012-04-09 | 2012-12-26 | 上海理工大学 | Intelligent household combustion gas leakage processing apparatus |
WO2014161507A1 (en) * | 2013-04-06 | 2014-10-09 | Yue Tiegang | Structure of translation window capable of outwardly discharging harmful gas at the upper part of kitchen |
CN203499507U (en) * | 2013-09-10 | 2014-03-26 | 中彩建工园林集团有限公司 | Perforated glass window |
CN104374061A (en) * | 2014-11-20 | 2015-02-25 | 无锡科思电子科技有限公司 | Bathroom ventilation control system |
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