CN108915494A - Control system for air conditions in regulation room - Google Patents
Control system for air conditions in regulation room Download PDFInfo
- Publication number
- CN108915494A CN108915494A CN201810798288.XA CN201810798288A CN108915494A CN 108915494 A CN108915494 A CN 108915494A CN 201810798288 A CN201810798288 A CN 201810798288A CN 108915494 A CN108915494 A CN 108915494A
- Authority
- CN
- China
- Prior art keywords
- window
- control system
- transmission shaft
- automatic
- timer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 105
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 206010028980 Neoplasm Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 208000006673 asthma Diseases 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000000711 cancerogenic effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 210000004185 liver Anatomy 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 201000004624 Dermatitis Diseases 0.000 description 1
- 206010012434 Dermatitis allergic Diseases 0.000 description 1
- 206010013952 Dysphonia Diseases 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 208000010473 Hoarseness Diseases 0.000 description 1
- 206010067125 Liver injury Diseases 0.000 description 1
- 206010028813 Nausea Diseases 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 241000700647 Variola virus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010171 animal model Methods 0.000 description 1
- 201000008937 atopic dermatitis Diseases 0.000 description 1
- 208000010668 atopic eczema Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000157 blood function Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 208000035269 cancer or benign tumor Diseases 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 210000002249 digestive system Anatomy 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 231100000025 genetic toxicology Toxicity 0.000 description 1
- 230000001738 genotoxic effect Effects 0.000 description 1
- 230000003394 haemopoietic effect Effects 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 231100000753 hepatic injury Toxicity 0.000 description 1
- 230000001900 immune effect Effects 0.000 description 1
- 210000000987 immune system Anatomy 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 208000030603 inherited susceptibility to asthma Diseases 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
- E05F15/652—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by screw-and-nut mechanisms
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/79—Power-operated mechanisms for wings with automatic actuation using time control
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/148—Windows
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The present invention provides a kind of control system for air conditions in regulation room, belongs to smart home field.The control system includes:Automatic window, including:Window frame;First window;Second window;Transmission shaft passes through opening, the bottom in window frame is arranged in, external screw thread is provided on the outside of transmission shaft, external screw thread is mutually twisted with internal screw thread;Motor is for rotating to drive transmission shaft to rotate;Timer;Formaldehyde sensor;Controller is used for:Every a scheduled time cycle, start formaldehyde sensor;In the case where judging that content is greater than threshold value, so that automatic window is kept open;In the case where automatic window is kept open, start timer;The time that automatic window is opened is obtained by timer;Judge whether the time is greater than preset time threshold;In the case where judging that the time is greater than time threshold, so that automatic window remains off.
Description
Technical field
The present invention relates to smart home fields, more particularly to a kind of control system for air conditions in regulation room.
Background technique
The coating that house decoration uses often all contains formaldehyde.
Formaldehyde can cause allergic dermatitis, color spot, necrosis.Human skin and formaldehyde directly contact, or are in high concentration first
In aldehyde environment, our skin can gradually lose moisture, generate wrinkle, sweat secretion reduction, hinder the new old generation of human normal
It thanks, and blocked pore, grows small pox, it is more serious to may result in pruitus, fester, it can also generate slight blood point.
Formaldehyde can make absorption of human body be poisoned by respiratory tract and skin, cause headache, it is nauseous, uncomfortable in chest, murky, tremble,
Change blood and hematopoietic function, nerveous system, liver, kidney and immune system are had an impact.
There are also to mucocutaneous stimulation for the harm performance of formaldehyde.Formaldehyde is magma noxious material, can be with protein knot
It closes, can cause to be envious greater than the concentration of formaldehyde of 0.08m3, eye is itched, throat discomfort or pain, hoarseness, sneeze, uncomfortable in chest, gas
Asthma, dermatitis etc..
Respiratory tract will appear serious stimulation after the formaldehyde sucking human body of high concentration, induce bronchial asthma, uncomfortable in chest, oedema
Equal body immunity levels imbalance, influences central functions, it is also possible to influence digestive system, liver injury and can make when serious
Blood function.
High-concentration formaldehyde is a kind of genotoxicity substance.Experimental animal can be drawn in the case where laboratory high concentration sucks
Play rhinopharyngeal neoplasm.
Formaldehyde has larger damage to human cellular protein, depending on ball retina, will lead to lung, liver and immunologic dysfunction.
By international cancer, research association is classified as suspecious carcinogen.Studies have shown that formaldehyde has strong carcinogenic and tumor promotion.
Newly-decorated house is generally required to place and can be moved in several moons, and in the meantime.Someone is required daily
The door and window in house is opened on time, and considers indoor security, and night is needed to close door and window.
Summary of the invention
The purpose of embodiment of the present invention is to provide a kind of control system for air conditions in regulation room, the control system
System can open the window and after opeing the window to interval one in the case where unattended every a scheduled time cycle
A time threshold closes window, has not only realized the target of room ventilation, but also ensured indoor security.
To achieve the goals above, embodiment of the present invention provides a kind of control system for air conditions in regulation room
System, the control system may include:
Automatic window, including:
Window frame;
First window is slidably disposed in the window frame, and bottom includes opening, is provided on the inside of the opening interior
Screw thread;
Second window can be fixedly arranged at the side in the window frame;
Transmission shaft passes through the opening, the bottom in the window frame is arranged in, outer spiral shell is provided on the outside of the transmission shaft
Line, the external screw thread are mutually twisted with the internal screw thread;
Motor, the rotor of the motor and the transmission axis connection drive the transmission shaft to rotate for rotating;
Formaldehyde sensor is arranged in the interior, for detecting the content of the formaldehyde in the indoor air;
Timer;
Controller connect with the timer, the motor respectively, is used for:
Every a scheduled time cycle, start the formaldehyde sensor;
The content is obtained by the formaldehyde sensor;
Judge whether the content is greater than preset threshold value;
In the case where judging that the content is greater than the threshold value, the motor is controlled by first window sliding to institute
The side of the second window is stated so that the automatic window is kept open;
In the case where the automatic window is kept open, start the timer;
The time that the automatic window is opened is obtained by the timer;
Judge whether the time is greater than preset time threshold;
In the case where judging that the time is greater than the time threshold, the motor is controlled by first window sliding
The other side in the window frame is so that the automatic window remains off.
Optionally, the automatic window further comprises:The buffer layer of two sides in the window frame is set.
Optionally, the buffer layer includes rubber material.
Optionally, the automatic window further comprises the transmission shaft periphery being arranged in, for protecting the transmission shaft
Shield.
Through the above technical solutions, the control system provided by the present invention for air conditions in regulation room can be at nobody
In the case where operation, indoor content of formaldehyde is detected every a scheduled time cycle starting formaldehyde sensor.It is somebody's turn to do in judgement
In the case that content of formaldehyde is greater than preset threshold value, opens the window and window is closed to one, interval time threshold after opeing the window
Family, had not only realized the target of room ventilation, but also had ensured indoor security.
The other feature and advantage of embodiment of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to further understand for providing to embodiment of the present invention, and constitute part of specification, with
Following specific embodiment is used to explain the present invention embodiment together, but does not constitute the limit to embodiment of the present invention
System.In the accompanying drawings:
Fig. 1 is the structural frames for the control system of air conditions in regulation room according to embodiment of the present invention
Figure;
Fig. 2 is the structural schematic diagram of automatic window according to embodiment of the present invention;
Fig. 3 is the structural schematic diagram of automatic window according to embodiment of the present invention;And
Fig. 4 is the partial side elevation view of automatic window according to embodiment of the present invention.
Description of symbols
10, the first window 11, the second window
12, transmission shaft 13, partition
14, buffer layer 15, shield
20, window frame CLO, timer
CTR, controller M, motor
SEN, formaldehyde sensor
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to embodiment of the present invention.It should be understood that
Embodiment that the specific embodiments described herein are merely illustrative of the invention is not intended to restrict the invention implementation
Mode.
It is the control system for air conditions in regulation room according to embodiment of the present invention as shown in Figure 1
Structural block diagram.In Fig. 1, which may include:Automatic window, timer CLO, formaldehyde sensor SEN and controller
CTR。
As shown in Fig. 2, the automatic window may include:First window 10, the second window 11, transmission shaft 12, window frame 20 and electricity
Machine M.
Window frame 20 can be used for fixing the first window 10 and the second window 11, and the bottom of the inside of the window frame 20 is recessed inwardly
To form depressed area, which is used to limit first window while sliding in the window frame 20 for the first window 10
10 sliding path.
First window 10 can be slidably disposed in window frame 20.The bottom of first window 10 may include opening,
Internal screw thread can be set on the inside of the opening.
Second window 11 can be fixedly arranged at the side in window frame 20, for sliding into window frame in the first window 10
In the case where 20 other side, cooperates with the first window 10 and close the window frame 20.
Transmission shaft 12 can pass through the opening of 10 bottom of the first window, and the bottom in window frame 20 is arranged in.Transmission shaft 12
External screw thread has can be set in outside setting, which can be mutually twisted with the internal screw thread of 10 bottom opening of the first window.
The rotor of motor M can be connect with transmission shaft 12, and when motor M starts, rotor is for rotating to drive transmission shaft
12 rotations so that be arranged in the external screw thread in the outside of transmission shaft 12 and the screw-internal thread fit that 10 inside of the first window is set with
Realize that the first window 10 slides in the window frame 20.In an example of the invention, in order to realize motor M to the first window 10
Sliding accurate control, motor M can be such as stepper motor.
Formaldehyde sensor SEN is arranged indoors, for detecting the content of the indoor formaldehyde in air.
Controller CTR can be connect with timer CLO, motor M respectively, be used for:Every a scheduled time cycle (example
Such as 12 hours) starting formaldehyde sensor SEN;The content of the formaldehyde in indoor air is obtained by formaldehyde sensor SEN;Judgement
Whether the content of the formaldehyde is greater than preset threshold value;In the case where judging that the content is greater than preset threshold value (such as 5ppm)
First window 10 is slid into the side of the second window 11 so that should by (illustrating that the interior needs to divulge information at this time), control motor M
Automatic window is kept open;In the case where the automatic window is kept open, start timer CLO;Pass through timer CLO
Obtain the time of automatic window opening;Judge whether the time is greater than preset time threshold (such as 8 hours);When judging this
Between be greater than time threshold in the case where, control motor M and the first window 10 slid into the other side in window frame 20 so that should be from
Dynamic window remains off.
In an embodiment of the invention, as shown in figure 3, the automatic window may further include:It is arranged first
Partition 13 between window 10 and the second window 11, the partition 13 can be used for the shape between the first window 10 and the second window 11
At gap, avoid this when the first window 10 is slided relative to the second window 11, the side of the first window 10 and the second window 11
Phase mutual friction and form surface abrasion.
In an embodiment of the invention, which may further include the two sides being arranged in window frame 20
Buffer layer 14.The buffer layer 14 can be used for reducing automatic window at any side that the first window 10 slides into the window frame 20
With the shock of window frame 20, the damage of the mechanical structure of window frame 20 or the first window 10 is avoided the occurrence of.Preferably, which can
To include rubber material.
In an embodiment of the invention, as shown in figure 4, the automatic window may further include setting in transmission shaft
12 peripheries, the shield 15 for protecting transmission shaft 12.Due to being connected through a screw thread between the transmission shaft 12 and the first window 10,
In order to reduce mechanical friction, film lube layer is usually needed between the two, due to the geographical environment of window, often by wind
It blows rain to beat and solarization, this just causes acid test to the lube layer.So in the periphery setting protection of the transmission shaft 12
Cover 15 can effectively improve the service life of the lube layer on the surface of the transmission shaft 12.
Through the above technical solutions, the control system provided by the present invention for air conditions in regulation room can be at nobody
In the case where operation, indoor content of formaldehyde is detected every a scheduled time cycle starting formaldehyde sensor.It is somebody's turn to do in judgement
In the case that content of formaldehyde is greater than preset threshold value, opens the window and window is closed to one, interval time threshold after opeing the window
Family, had not only realized the target of room ventilation, but also had ensured indoor security.
The optional embodiment of example of the present invention is described in detail in conjunction with attached drawing above, still, embodiment of the present invention is not
The detail being limited in above embodiment can be to of the invention real in the range of the technology design of embodiment of the present invention
The technical solution for applying mode carries out a variety of simple variants, these simple variants belong to the protection scope of embodiment of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, embodiment of the present invention
To various combinations of possible ways, no further explanation will be given.
In addition, any combination can also be carried out between a variety of different embodiments of embodiment of the present invention, as long as its
Without prejudice to the thought of embodiment of the present invention, embodiment of the present invention disclosure of that equally should be considered as.
Claims (5)
1. a kind of control system for air conditions in regulation room, which is characterized in that the control system includes:
Automatic window, including:
Window frame;
First window is slidably disposed in the window frame, and bottom includes opening, is provided with interior spiral shell on the inside of the opening
Line;
Second window can be fixedly arranged at the side in the window frame;
Transmission shaft passes through the opening, the bottom in the window frame is arranged in, is provided with external screw thread on the outside of the transmission shaft,
The external screw thread is mutually twisted with the internal screw thread;
Motor, the rotor of the motor and the transmission axis connection drive the transmission shaft to rotate for rotating;
Formaldehyde sensor is arranged in the interior, for detecting the content of the formaldehyde in the indoor air;
Timer;
Controller connect with the timer, the motor respectively, is used for:
Every a scheduled time cycle, start the formaldehyde sensor;
The content is obtained by the formaldehyde sensor;
Judge whether the content is greater than preset threshold value;
In the case where judging that the content is greater than the threshold value, the motor is controlled by first window sliding to described the
The side of two windows is so that the automatic window is kept open;
In the case where the automatic window is kept open, start the timer;
The time that the automatic window is opened is obtained by the timer;
Judge whether the time is greater than preset time threshold;
In the case where judging that the time is greater than the time threshold, the motor is controlled by first window sliding to institute
The other side in window frame is stated so that the automatic window remains off.
2. control system according to claim 1, which is characterized in that the automatic window further comprises:
Partition between first window and second window is set.
3. control system according to claim 1, which is characterized in that the automatic window further comprises:It is arranged described
The buffer layer of two sides in window frame.
4. control system according to claim 3, which is characterized in that the buffer layer includes rubber material.
5. control system according to claim 1, which is characterized in that the automatic window further comprises being arranged in the biography
Moving axis periphery, the shield for protecting the transmission shaft.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810798288.XA CN108915494A (en) | 2018-07-19 | 2018-07-19 | Control system for air conditions in regulation room |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810798288.XA CN108915494A (en) | 2018-07-19 | 2018-07-19 | Control system for air conditions in regulation room |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108915494A true CN108915494A (en) | 2018-11-30 |
Family
ID=64415270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810798288.XA Withdrawn CN108915494A (en) | 2018-07-19 | 2018-07-19 | Control system for air conditions in regulation room |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108915494A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114396695A (en) * | 2021-12-31 | 2022-04-26 | 浙江中房建筑设计研究院有限公司 | Energy-conserving ventilation structure for architectural design |
-
2018
- 2018-07-19 CN CN201810798288.XA patent/CN108915494A/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114396695A (en) * | 2021-12-31 | 2022-04-26 | 浙江中房建筑设计研究院有限公司 | Energy-conserving ventilation structure for architectural design |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106703593B (en) | A kind of automatic sensing air hole using electronic technology | |
CN108915494A (en) | Control system for air conditions in regulation room | |
CN110377075B (en) | Indoor intelligent temperature control system | |
CN108915493A (en) | Control system for air conditions in regulation room | |
CN111561764A (en) | Control method and device for fresh air system and storage medium | |
CN209782833U (en) | Air conditioner | |
CN209459067U (en) | Air output control structure and air-conditioning | |
CN209042571U (en) | Air interchanger built in a kind of band, pernicious gas detection internal machine of air-conditioner | |
CN111076299B (en) | Fresh air system, fresh air conditioner and fresh air control method | |
CN107605316A (en) | One kind is based on intelligent residence automatic window-closing device rainy days | |
CN205858033U (en) | A kind of vent window automatically controls and protection device | |
CN106267738A (en) | Body-building system | |
CN208185036U (en) | A kind of flow-mixing blower fan and kitchen ventilator | |
CN204386337U (en) | A kind of temperature control automatic window control circuit | |
CN208139507U (en) | A kind of new blower | |
CN208139508U (en) | A kind of new blower | |
CN206555152U (en) | A kind of novel transparent exhaust fan | |
CN205089128U (en) | Window based on environmental change intelligent control | |
CN204169740U (en) | A kind of ventilation insulation spray thrower | |
CN204878017U (en) | Window formula exhaust fan | |
CN209263472U (en) | Humidity-preserving cover board component and refrigerator | |
CN107463104A (en) | A kind of air-conditioning system automatically adjusted | |
CN206626665U (en) | The floor gap changes in temperature through-flow device of four permanent system building air conditioner energy savings | |
CN108429398A (en) | External rotor electric machine and range hood | |
CN211345716U (en) | Humidification type air curtain machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181130 |