CN104808724A - Bathroom ventilation control method - Google Patents
Bathroom ventilation control method Download PDFInfo
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- CN104808724A CN104808724A CN201510100697.4A CN201510100697A CN104808724A CN 104808724 A CN104808724 A CN 104808724A CN 201510100697 A CN201510100697 A CN 201510100697A CN 104808724 A CN104808724 A CN 104808724A
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Abstract
The invention discloses a bathroom ventilation control method. A hole ventilation window (3) and a discharge fan (4) are arranged on the outer wall (1) of the bathroom; a gas monitoring device is arranged in the bathroom; the hole ventilation window comprises a frame (5), glass fixed in the frame, a wind shielding device (14) arranged in the frame and a motor (8) arranged on the frame; the glass is provided with multiple rows of main holes (13) playing a role of ventilation; the axis of each main shaft is vertical with the glass; and the gas monitoring device comprises an MCU, a gas concentration sensor, a displacement sensor, a display screen, a sound and light alarm and a power supply module. By combining gas concentration detection, opening degree control on the main holes in the window and on and off control on the discharge fan, safety of a bathroom user is ensured maximally. The bathroom ventilation control method can effectively eliminate threats caused by gas leakage in the bathroom, and safety is high.
Description
Technical field
The present invention relates to a kind of bathroom ventilation control method.
Background technology
Gas heater generally install in bathroom, although the function of present gas heater is more and more abundanter, quality have also been obtained very large lifting, still gas leakage cannot be ensured completely, and, because the installation of gas heater smoke pipe is not in place, also can gas leakage be caused, many reports are had once to report because gas heater itself or the reason of installing cause the accident of gas poisoning, therefore, be necessary to design a kind of brand-new bathroom ventilation control method, to improve the security in bathroom.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of bathroom ventilation control method, and this bathroom ventilation control method effectively can be eliminated bath indoor fuel gas and reveal the threat caused, and security 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 exhaust fan (4), and at bath indoor location gas monitor and control device;
Hole vent window comprises frame (5), the glass be fixed in frame, the motor (8) that is arranged on the draught-deflector (14) in frame and is 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 docked by top margin bar, skirt rail and two, left and right side strip and forms; The inner side of two side strips in left and right is equipped with chute, and described draught-deflector to be arranged in chute and can to slide up and down in frame along chute;
Motor is arranged on the skirt rail of frame; Initiatively line wheel (9) main shaft of motor is equipped with; The top margin bar of frame is provided with from moving-wire wheel (11) and medium 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) on active line wheel, the other end of bracing wire pile warp medium line wheel and be finally fixed on the top of draught-deflector from moving-wire wheel successively; The bracing wire that rotarily drives of motor drives draught-deflector to do elevating movement;
Deep bead (17) is provided with in draught-deflector, along with the aperture of the lift adjustment main aperture of deep bead, when deep bead blocks main aperture, main aperture is in closed condition, when deep bead and main bore section stagger or stagger completely, main aperture correspondence is in part and closes or buttoned-up status;
Described gas monitor and control device comprises 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 all controlled by MCU;
The gas concentration value that gas concentration sensor collects enters into MCU;
The position data of the draught-deflector that displacement transducer collects enters into MCU;
Whether gas monitor and control device also comprises the pyroelectric infrared sensor be connected with MCU, and the signal that pyroelectric infrared sensor collects enters into 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 the initialization of gas monitor and control device, MCU monitors the output signal of pyroelectric infrared sensor and gas concentration sensor, implements following control:
If MCU detects in bathroom have people's activity by pyroelectric infrared sensor, MCU implements to control to the aperture of main aperture based on gas concentration, and control procedure is as follows:
Current gas concentration is C;
(1) when C >=C1, C1 are first threshold, then MCU drives draught-deflector action by motor, and the aperture increasing main aperture or the aperture increasing main aperture to 1, and open exhaust fan;
(2) when C reduces and C < C1, then MCU drives draught-deflector action by motor, makes main aperture return to the state of initial opening, and closes exhaust fan; ; [initial opening is 0 or 0.5 degree, and 0 represents closedown, and 1 expression is opened completely, and half is opened in 0.5 degree of expression, and conventional pid algorithm also can be adopted to carry out closed-loop control to the aperture of main aperture]
(3) when C >=C2, C2 are Second Threshold, C2 > C1, then MCU drives draught-deflector action by motor, and the aperture increasing main aperture, to 1, is opened exhaust fan and started audible-visual annunciator and implement to report to the police.
Described power module comprises 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 integration has transformer 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 when lithium battery and is sent to MCU;
(1), under original state, be separately lithium cell charging by solar panels;
(2) when V is less than preset voltage value, then MCU starting relay, the normal open switch of relay closes, and is lithium cell charging by mains-supplied module.
Described gas monitor and control device also comprises the 4G communication module be connected with MUC.
The left side edge strip of described frame is provided with upper limit position switch (6) for monitoring draught-deflector operational limit position and lower position switch (7).[if upper limit position switch is triggered, and illustrates that draught-deflector has run to topmost, if lower position switch is triggered, then illustrates that draught-deflector has run to bottom]
Described main aperture is 6 rows, and a component is three groups between two, the spacing between first group and second group and the spacing between second group and the 3rd group equal;
Draught-deflector is provided with three pieces of deep beads (17) equidistantly arranged; Three pieces of deep beads are corresponding with three groups of main apertures: 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 also block second group of main aperture and the 3rd group of main aperture 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 also stagger with second group of main aperture and the 3rd group of main aperture respectively completely; Have 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.
6. bathroom ventilation control method according to claim 1, is characterized in that, glass is also provided with and arranges inclined hole (12) more, and 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 lower than the position of inner opening.[effect of inclined hole had both been ventilated, rainproof again]
The axis of inclined hole and the angle of glass are 45 ° or 30 °.
Frame is also provided with the handle (16) being convenient to manual window opening.
Described MCU is 51 single-chip microcomputers, DSP or arm processor.
The principal ingredient of coal gas is carbon monoxide, carbon monoxide aggressiveness is very strong, containing 0.04% ~ 0.06%[volume ratio in air] or more concentration time, carbon monoxide can enter blood flow very soon, seize red blood cells all in human body in the short period of time, the haemoglobin held on in red blood cell is not put, and makes it form carbonyl hemoglobin, replace the oxyhemoglobin that oxygen and haemoglobin are under normal circumstances combined into, make haemoglobin lose the function of delivering oxygen.The adhesion of carbon monoxide and haemoglobin is than large 300 times of the adhesion of oxygen and haemoglobin.After anthracemia, blood of human body can not supply the sufficient oxygen of body tissue's organ in time, and at this moment, in blood, oxygen level obviously declines.Brain is one of organ needing most oxygen, once break off oxygen supply, because the oxygen in body only enough consumes 10 minutes, causes the stupor of people very soon and threat to life.
Therefore, C2 be set to that 0.04%, C1 is set to C2 1/10th, namely 0.004%.
Beneficial effect:
Bathroom ventilation control method of the present invention, the detection of employing gas concentration controls with the aperture of the main aperture on window and the on off control of exhaust fan combines, when gas leakage, effectively can dilute the combustion gas in bathroom, when combustion gas reaches the warning value in bathroom and cannot dilute in time, then provide warning, thus ensure the safety of bathroom user to greatest extent.
The smart structural design of window, adopts unique draught-deflector that can be elevated to control the aperture of main aperture, thus realizes ventilation parameters, intelligent high.Lift drive mechanism adopts motor, line wheel and thread drawing mechanism, and it is convenient, easy to implement to control.
The design of inclined hole is also one of original creation point, and such secondary ventilation pattern can keep the suitable ventilation [in time when main aperture is plugged also can secondary ventilation] of window the moment, and the design of outer mouth down can prevent rainwater from entering indoor from inclined hole.
This bathroom ventilation control method adopts solar powered and mains-supplied two kinds of powering modes, is preferential with solar powered, and mains-supplied module, when sun power cannot meet power supply, switches as early as possible, the normal operation of safeguards system by energy-conserving and environment-protective automatically.
This method also adopts pyroelectric infrared sensor to carry out auxiliary control, and whether pyroelectric infrared sensor has people movable for detecting in bathroom, when having people movable, just starts gas monitor and control, thus makes the enforcement energy-conserving and environment-protective more of this method, and more intelligent.
The present invention adopts display to be used for showing relevent information (as current gas content, system cloud gray model information etc.), adopt 4G communication module, thus be conducive to this bathroom ventilation control method based on window shutter of Long-distance Control, and warning message is sent to long-range mobile phone terminal or other monitor terminals, this method is more used, more humane.
In sum, this bathroom ventilation control method has hommization, intelligentized feature, and energy-conserving and environment-protective in the process implemented, conscientiously can 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 (constitutional diagram when main aperture is blocked completely) of hole vent window;
Fig. 3 is the structure schematic diagram (constitutional diagram when main aperture is not blocked) of hole vent window;
Fig. 4 is the side structure schematic diagram (constitutional diagram when main aperture is blocked completely) of hole vent window;
Fig. 5 is the side structure schematic diagram (constitutional 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-vent fan; 5-frame, 6-upper limit position switch, 7-lower position switch, 8-motor, 9-is line wheel initiatively, and 10-medium line is taken turns, and 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.
Embodiment
Below with reference to the drawings and specific embodiments, the present invention is described in further details:
Embodiment 1: as Fig. 1-6, a kind of bathroom ventilation control method, the exterior wall 1 in bathroom is installed hole vent window 3 and exhaust fan 4, and at bath indoor location gas monitor and control device;
Hole vent window comprises frame 5, the glass be fixed in frame, the motor 8 that is arranged on the draught-deflector 14 in frame and is 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 docked by top margin bar, skirt rail and two, left and right side strip and forms; The inner side of two side strips in left and right is equipped with chute, and described draught-deflector to be arranged in chute and can to slide up and down in frame along chute;
Motor is arranged on the skirt rail of frame; Initiatively line wheel 9 main shaft of motor is equipped with; The top margin bar of frame is provided with from moving-wire wheel 11 and medium 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 on active line wheel, the other end of bracing wire pile warp medium line wheel and be finally fixed on the top of draught-deflector from moving-wire wheel successively; The bracing wire that rotarily drives of motor drives draught-deflector to do elevating movement;
Be provided with deep bead 17 in draught-deflector, along with the aperture of the lift adjustment main aperture of deep bead, when deep bead blocks main aperture, main aperture is in closed condition, and when deep bead and main bore section stagger or stagger completely, main aperture correspondence is in part and closes or buttoned-up status;
Described gas monitor and control device comprises 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 all controlled by MCU;
The gas concentration value that gas concentration sensor collects enters into MCU;
The position data of the draught-deflector that displacement transducer collects enters into MCU;
Whether gas monitor and control device also comprises the pyroelectric infrared sensor be connected with MCU, and the signal that pyroelectric infrared sensor collects enters into 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 the initialization of gas monitor and control device, MCU monitors the output signal of pyroelectric infrared sensor and gas concentration sensor, implements following control:
If MCU detects in bathroom have people's activity by pyroelectric infrared sensor, MCU implements to control to the aperture of main aperture based on gas concentration, and control procedure is as follows:
Current gas concentration is C;
(1) when C >=C1, C1 are first threshold, then MCU drives draught-deflector action by motor, and the aperture increasing main aperture or the aperture increasing main aperture to 1, and open exhaust fan;
(2) when C reduces and C < C1, then MCU drives draught-deflector action by motor, makes main aperture return to the state of initial opening, and closes exhaust fan; ; [initial opening is 0 or 0.5 degree, and 0 represents closedown, and 1 expression is opened completely, and half is opened in 0.5 degree of expression, and conventional pid algorithm also can be adopted to carry out closed-loop control to the aperture of main aperture]
(3) when C >=C2, C2 are Second Threshold, C2 > C1, then MCU drives draught-deflector action by motor, and the aperture increasing main aperture, to 1, is opened exhaust fan and started audible-visual annunciator and implement to report to the police.
Described power module comprises 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 integration has transformer 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 when lithium battery and is sent to MCU;
(1), under original state, be separately lithium cell charging by solar panels;
(2) when V is less than preset voltage value, then MCU starting relay, the normal open switch of relay closes, and is lithium cell charging by mains-supplied module.
Described gas monitor and control device also comprises the 4G communication module be connected with MUC.
The left side edge strip of described frame is provided with upper limit position switch 6 for monitoring draught-deflector operational limit position and lower position switch 7.[if upper limit position switch is triggered, and illustrates that draught-deflector has run to topmost, if lower position switch is triggered, then illustrates that draught-deflector has run to bottom]
Described main aperture is 6 rows, and a component is three groups between two, the spacing between first group and second group and the spacing between second group and the 3rd group equal;
Draught-deflector is provided with three pieces of deep beads 17 equidistantly arranged; Three pieces of deep beads are corresponding with three groups of main apertures: 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 also block second group of main aperture and the 3rd group of main aperture 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 also stagger with second group of main aperture and the 3rd group of main aperture respectively completely; Have 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.
6. bathroom ventilation control method according to claim 1, is characterized in that, glass is also provided with many row's inclined holes 12, 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 lower than the position of inner opening.[effect of inclined hole had both been ventilated, rainproof again]
The axis of inclined hole and the angle of glass are 45 ° or 30 °.
Frame is also provided with the handle 16 being convenient to manual window opening.
Described MCU is 51 single-chip microcomputers, DSP or arm processor.
The installation warrants actual conditions of described C1 and C2 are arranged.
Mains-supplied module and blade of louver window angle electrical control mechanism are ripe prior art.
Claims (9)
1. a bathroom ventilation control method, is characterized in that, the exterior wall (1) in bathroom is upper installs hole vent window (3) and exhaust fan (4), and at bath indoor location gas monitor and control device;
Hole vent window comprises frame (5), the glass be fixed in frame, the motor (8) that is arranged on the draught-deflector (14) in frame and is 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 docked by top margin bar, skirt rail and two, left and right side strip and forms; The inner side of two side strips in left and right is equipped with chute, and described draught-deflector to be arranged in chute and can to slide up and down in frame along chute;
Motor is arranged on the skirt rail of frame; Initiatively line wheel (9) main shaft of motor is equipped with; The top margin bar of frame is provided with from moving-wire wheel (11) and medium 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) on active line wheel, the other end of bracing wire pile warp medium line wheel and be finally fixed on the top of draught-deflector from moving-wire wheel successively; The bracing wire that rotarily drives of motor drives draught-deflector to do elevating movement;
Deep bead (17) is provided with in draught-deflector, along with the aperture of the lift adjustment main aperture of deep bead, when deep bead blocks main aperture, main aperture is in closed condition, when deep bead and main bore section stagger or stagger completely, main aperture correspondence is in part and closes or buttoned-up status;
Described gas monitor and control device comprises 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 all controlled by MCU;
The gas concentration value that gas concentration sensor collects enters into MCU;
The position data of the draught-deflector that displacement transducer collects enters into MCU;
Whether gas monitor and control device also comprises the pyroelectric infrared sensor be connected with MCU, and the signal that pyroelectric infrared sensor collects enters into 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 the initialization of gas monitor and control device, MCU monitors the output signal of pyroelectric infrared sensor and gas concentration sensor, implements following control:
If MCU detects in bathroom have people's activity by pyroelectric infrared sensor, MCU implements to control to the aperture of main aperture based on gas concentration, and control procedure is as follows:
Current gas concentration is C;
(1) when C >=C1, C1 are first threshold, then MCU drives draught-deflector action by motor, and the aperture increasing main aperture or the aperture increasing main aperture to 1, and open exhaust fan;
(2) when C reduces and C < C1, then MCU drives draught-deflector action by motor, makes main aperture return to the state of initial opening, and closes exhaust fan;
(3) when C >=C2, C2 are Second Threshold, C2 > C1, then MCU drives draught-deflector action by motor, and the aperture increasing main aperture, to 1, is opened exhaust fan and started audible-visual annunciator and implement to report to the police.
2. bathroom ventilation control method according to claim 1, is characterized in that, described power module comprises 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 integration has transformer 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 when lithium battery and is sent to MCU;
(1), under original state, be separately lithium cell charging by solar panels;
(2) when V is less than preset voltage value, then MCU starting relay, the normal open switch of relay closes, and is lithium cell charging by mains-supplied module.
3. bathroom ventilation control method according to claim 1, is characterized in that, described gas monitor and control device also comprises the 4G communication module be connected with MUC.
4. bathroom ventilation control method according to claim 1, is characterized in that, the left side edge strip of described frame is provided with upper limit position switch (6) for monitoring draught-deflector operational limit position and lower position switch (7).
5. bathroom ventilation control method according to claim 1, is characterized in that, described main aperture is 6 rows, and a component is three groups between two, the spacing between first group and second group and the spacing between second group and the 3rd group equal;
Draught-deflector is provided with three pieces of deep beads (17) equidistantly arranged; Three pieces of deep beads are corresponding with three groups of main apertures: 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 also block second group of main aperture and the 3rd group of main aperture 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 also stagger with second group of main aperture and the 3rd group of main aperture respectively completely; Have 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.
6. bathroom ventilation control method according to claim 1, is characterized in that, glass is also provided with and arranges inclined hole (12) more, and 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 lower than the position of inner opening.
7. bathroom ventilation control method according to claim 6, is characterized in that, the axis of inclined hole and the angle of glass are 45 ° or 30 °.
8. bathroom ventilation control method according to claim 1, is characterized in that, frame is also provided with the handle (16) being convenient to manual window opening.
9. the bathroom ventilation control method according to any one of claim 1-8, is characterized in that, described MCU is 51 single-chip microcomputers, DSP or arm processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510100697.4A CN104808724B (en) | 2015-03-08 | 2015-03-08 | A kind of bathroom ventilation control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510100697.4A CN104808724B (en) | 2015-03-08 | 2015-03-08 | A kind of bathroom ventilation control method |
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| Publication Number | Publication Date |
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| CN104808724A true CN104808724A (en) | 2015-07-29 |
| CN104808724B CN104808724B (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510100697.4A Expired - Fee Related CN104808724B (en) | 2015-03-08 | 2015-03-08 | A kind of bathroom ventilation control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| 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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| CN104808724B (en) | 2016-09-21 |
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