CN215633920U - Domestic intellectual detection system ventilation shutter - Google Patents
Domestic intellectual detection system ventilation shutter Download PDFInfo
- Publication number
- CN215633920U CN215633920U CN202120229510.1U CN202120229510U CN215633920U CN 215633920 U CN215633920 U CN 215633920U CN 202120229510 U CN202120229510 U CN 202120229510U CN 215633920 U CN215633920 U CN 215633920U
- Authority
- CN
- China
- Prior art keywords
- louver
- motor
- blade
- shutter
- sealing plate
- 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.)
- Expired - Fee Related
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 51
- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 56
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 4
- 229910052704 radon Inorganic materials 0.000 claims description 4
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 claims description 4
- 125000001997 phenyl group Chemical class [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract description 2
- 241000883990 Flabellum Species 0.000 description 5
- 238000005034 decoration Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000001408 Carbon monoxide poisoning Diseases 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- -1 formaldehyde, benzene series Chemical class 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000037072 sun protection Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Ventilation (AREA)
Abstract
The utility model relates to a household intelligent detection ventilation louver, which comprises a ventilation system, a louver system and a monitoring control system, wherein the ventilation system comprises a shell, a fan, a motor protective cover, a fan motor, a ventilation grid and a motor support, the louver system comprises a shell, a circular ring fixing plate, a gear ring track, louver blades, a central support, an outer sealing plate, an outer cover body, a motor gear, a louver opening and closing motor support, a louver blade gear, an inner sealing plate and louver blade mounting holes, and the monitoring control system comprises a gas sensor, an angle sensor, a power supply module, a single chip microcomputer, a communication module and an alarm. It has the following advantages: can concentration such as real-time supervision gas, smog, formaldehyde at home, the intelligent judgement gas leaks, the conflagration, the fitment has the condition of remaining harmful gas, and control ventilation shutter takes a breath to in time inform the user.
Description
Technical Field
The utility model relates to a ventilation shutter, in particular to a household intelligent detection ventilation shutter.
Background
As gas equipment such as a gas stove, a gas water heater and the like becomes indispensable equipment for people, great convenience is brought to life. However, when the gas appliance is used, gas accidents such as fire, explosion or carbon monoxide poisoning caused by gas leakage may occur, which seriously threatens life. Therefore, there is a need to maintain good ventilation in the room while using the gas appliance. Meanwhile, indoor decoration and newly added furniture can emit a large amount of harmful gas, long-time ventilation is needed, if the ventilation is not in place, the physical health of family people can be affected, and the influence on children is particularly serious.
The demand of people's safety has been unable to be satisfied to harmful gas alarms such as gas, fitment formaldehyde among the existing market, and the alarm just can play the effect of warning, if nobody at home, nobody in time handles and eliminates danger after reporting to the police, and family's health and property also can not obtain effectual protection.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model aims to provide a household intelligent detection ventilation shutter which can monitor the concentrations of gas, smoke, formaldehyde and the like at home in real time, intelligently judge the conditions of gas leakage, fire and residual harmful gas in decoration, control the ventilation shutter to ventilate and timely inform a user.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a household intelligent detection ventilation shutter comprises a ventilation system, a shutter system and a monitoring control system;
the ventilation system comprises a shell, a fan, a motor protection cover, a fan motor, a ventilation grid and motor supports, wherein the fan motor is arranged on one side of the fan, the fan motor is fixed at the center of the motor protection cover, a plurality of motor supports are uniformly arranged on the inner side of the shell, one end of each motor support is fixed on the outer side of the motor protection cover, the other end of each motor support is fixed on the inner side of the shell, and the ventilation grid is arranged at one end of the shell;
the louver system comprises a shell, a ring fixing plate, a gear ring track, louver blades, a central support, an outer sealing plate, an outer cover body, a motor gear, a louver opening and closing motor support, a louver blade gear, an inner sealing plate and louver blade mounting holes, wherein the louver blades comprise a blade main body, a decorative circle, a right sealing plate, a sealing strip, a left sealing plate, a blade bottom shaft and a blade top shaft, the shape of the blade main body is fan-shaped, the right sealing plate and the left sealing plate are respectively arranged on two sides of the blade main body, the front surface of the blade main body is provided with the decorative circle, the top surface of the blade main body is provided with the blade top shaft, the bottom surface of the blade main body is provided with the blade bottom shaft, the sealing strip is arranged on the front surface of the right sealing plate, the ring fixing plate, the louver opening and closing motor support, the central support, the outer sealing plate, the louver blade mounting holes and the louver blade mounting holes, The sun protection device comprises a gear ring track and an outer cover body, wherein one end of the shell is provided with an outer sealing plate, an inner sealing plate and a shutter blade mounting hole which are uniformly distributed, the number of the outer sealing plate, the number of the inner sealing plate, the shutter blade mounting hole and the number of the shutter blades are all 6, a central support is arranged at one end of the motor protection cover, the shape of the central support is a hexagonal prism, the central position of each prism surface is connected with a blade bottom shaft, a blade top shaft is connected with the shutter blade mounting hole, the top of the blade top shaft is fixed with a shutter blade gear, the gear ring is arranged on the outer side of the gear ring track, the gear ring is in a meshing relationship with a motor gear, the gear ring is in a meshing relationship with the shutter blade gear, the motor gear is connected with a shutter opening and closing motor, and the shutter opening and closing motor is fixed on the shutter opening and closing motor support;
the monitoring control system comprises a gas sensor, an angle sensor, a power supply module, a single chip microcomputer, a communication module and an alarm, wherein the inner side of the shell is evenly provided with the gas sensors, the angle sensor is arranged inside the central support, and the power supply module, the single chip microcomputer, the communication module and the alarm are arranged on the outer side of the shell.
Preferably, a plurality of small holes for fixing are uniformly arranged on the circular ring fixing plate.
Preferably, the allowable rotation angle of the louver blades is 90 °, the relationship between the louver blades is overlapping, and the right sealing plate of the louver blade and the left sealing plate of the adjacent louver blade are pressed by the sealing strip.
Preferably, the gas sensor includes a carbon dioxide sensor, a carbon monoxide sensor, a methane sensor, a formaldehyde sensor, a benzene series sensor, a TVOC sensor, an ammonia gas sensor, a smoke sensor, and a radon gas sensor.
Preferably, the communication module of the monitoring control system is in wireless connection, and the wireless connection adopts a communication mode such as Wi-Fi/RF433/EnOcean, Zigbee, Z-Wave and/or Bluetooth.
The utility model has the following advantages: the utility model provides a domestic intellectual detection system ventilation shutter, can the real-time supervision gas, smog, formaldehyde isopycnic in the family, the intelligence judges that the gas leaks, the conflagration, the fitment has the condition of remaining harmful gas, and control ventilation shutter takes a breath to in time inform the user.
Drawings
FIG. 1: an overall internal schematic view of a household intelligent detection ventilation shutter;
FIG. 2: a schematic view of the whole external front face of a household intelligent detection ventilation shutter;
FIG. 3: a reverse side overall external schematic view of a household intelligent detection ventilation shutter;
FIG. 4: a schematic view of a blind system closing state of a household intelligent detection ventilation blind;
FIG. 5: a household intelligent detection ventilation shutter system opening state schematic diagram;
FIG. 6: a semi-section view of a shutter system of a household intelligent detection ventilation shutter;
FIG. 7: a view of shutter blade parts of a household intelligent detection ventilation shutter;
FIG. 8: a schematic position diagram of a monitoring control system for household intelligent detection of a ventilation shutter;
FIG. 9: a working principle schematic diagram of a monitoring control system of a household intelligent detection ventilation shutter.
Description of the symbols
1. The fan comprises a shell, 2, a fan, 3, a motor protective cover, 4, a fan motor, 5, a ventilation grid, 6, a motor support, 7, a gas sensor, 8, a circular ring fixing plate, 9, a gear ring, 10, a gear ring track, 11, shutter blades, 12, a central support, 13, an angle sensor, 14, an outer sealing plate, 15, an outer cover, 16, a motor gear, 17, a shutter opening and closing motor, 18, a shutter opening and closing motor support, 19, a shutter blade gear, 20, an inner sealing plate, 21, a shutter blade mounting hole, 22, a power module, 23, a single chip microcomputer, 24, a communication module, 25, an alarm, 1101, a blade main body, 1102, a decorative circle, 1103, a right sealing plate, 1104, a sealing strip, 1105, a left sealing plate, 1106, a blade bottom shaft, and 1107 a blade top shaft.
Detailed Description
The utility model is further illustrated by the following figures and examples:
as shown in fig. 1-9, a household intelligent detection ventilation shutter is characterized by comprising a ventilation system, a shutter system and a monitoring control system;
the ventilation system comprises a shell 1, a fan 2, a motor protection cover 3, a fan motor 4, a ventilation grid 5 and a motor support 6, wherein the fan motor 4 is arranged on one side of the fan 2, the fan motor 4 is fixed at the center of the motor protection cover 3, a plurality of motor supports 6 are uniformly arranged on the inner side of the shell 1, one end of each motor support 6 is fixed on the outer side of the motor protection cover 3, the other end of each motor support 6 is fixed on the inner side of the shell 1, and the ventilation grid 5 is arranged at one end of the shell 1;
the louver system comprises a shell 1, a circular ring fixing plate 8, a circular ring 9, a circular ring track 10, louver blades 11, a central support 12, an outer sealing plate 14, an outer cover 15, a motor gear 16, a louver opening and closing motor 17, a louver opening and closing motor support 18, a louver blade gear 19, an inner sealing plate 20 and a louver blade mounting hole 21, wherein the louver blades 11 comprise a blade main body 1101, a decorative circle 1102, a right sealing plate 1103, a sealing strip 1104, a left sealing plate 1105, a blade bottom shaft 1106 and a blade top shaft 1107, the blade main body 1101 is in a fan shape, the right sealing plate 1103 and the left sealing plate 1105 are respectively arranged on two sides of the blade main body 1101, the decorative circle 1102 is arranged on the front surface of the blade main body 1101, the blade top shaft 1107 is arranged on the top side of the blade main body 1101, the blade bottom shaft 1106 is arranged on the bottom side of the blade main body 1101, and the sealing strip 1104 is arranged on the front surface of the right sealing plate 1103, the outer side of the shell 1 is sequentially provided with a circular ring fixing plate 8, a shutter opening and closing motor support 18, a gear ring track 10 and an outer cover body 15, one end of the shell 1 is provided with an outer sealing plate 14, an inner sealing plate 20 and shutter fan blade mounting holes 21 which are uniformly distributed, the number of the outer sealing plate 14, the number of the inner sealing plate 20, the number of the shutter fan blade mounting holes 21 and the number of the shutter fan blades 11 are 6, the central support 12 is arranged at one end of the motor protection cover 3, the shape of the central support 12 is a hexagonal prism, the central position of each prism surface is connected with a fan blade bottom shaft 1106, a fan blade top shaft 1107 is connected with the shutter fan blade mounting holes 21, the top of the fan blade top shaft 1107 is fixed with a shutter fan blade gear 19, the gear ring 9 is arranged at the outer side of the gear ring track 10, the gear ring 9 is in a meshing relationship with the motor gear 16, and the gear 9 is in a meshing relationship with the shutter fan blade gear 19, the motor gear 16 is connected with a shutter opening and closing motor 17, and the shutter opening and closing motor 17 is fixed on a shutter opening and closing motor bracket 18;
monitoring control system includes gas sensor 7, angle sensor 13, power module 22, singlechip 23, communication module 24, alarm 25, the inboard of casing 1 evenly is provided with a plurality of gas sensor 7, angle sensor 13 sets up inside central support 12, power module 22, singlechip 23, communication module 24 and alarm 25 set up the outside at casing 1.
Preferably, a plurality of small holes for fixing are uniformly arranged on the circular ring fixing plate 8.
Preferably, the allowable rotation angle of the louver blades 11 is 90 °, the louver blades 11 overlap each other, and the right sealing plate 1103 of the louver blade 11 and the left sealing plate 1105 of the adjacent louver blade 11 are pressed by the sealing strip 1104.
Preferably, the gas sensor 7 includes a carbon dioxide sensor, a carbon monoxide sensor, a methane sensor, a formaldehyde sensor, a benzene series sensor, a TVOC sensor, an ammonia gas sensor, a smoke sensor, and a radon gas sensor.
Preferably, the communication module 24 of the monitoring control system is in wireless connection, and the wireless connection adopts communication modes such as Wi-Fi/RF433/EnOcean, Zigbee, Z-Wave and/or Bluetooth.
When the utility model is used, the four functions of monitoring gas leakage, monitoring fire, monitoring residual harmful gas in decoration, manual ventilation and stopping are divided.
1. Monitoring the gas leakage function: gas sensor 7 real-time supervision indoor carbon monoxide and methane gas's concentration, give singlechip 23 with data transmission, when surpassing the default, singlechip 23 control shutter switching motor 17 work, through ring gear 9, motor gear 16, shutter flabellum gear 19, control shutter flabellum 11 is rotatory to be opened to 90, singlechip 23 control fan motor 4 work drives fan 2 rotatory simultaneously, produce the air current and ventilate, later singlechip 23 passes through communication module 24, with the condition feedback to user's cell-phone of gas leakage, singlechip 23 control alarm 25 work simultaneously, the suggestion indoor personnel have the condition that the gas leaked.
2. The fire hazard monitoring function is as follows: the gas sensor 7 monitors the concentration of indoor carbon dioxide and smoke in real time, transmits data to the single chip microcomputer 23, when the concentration exceeds a preset value, the single chip microcomputer 23 feeds the fire condition back to a mobile phone of a user through the communication module 24, and meanwhile, the single chip microcomputer 23 controls the alarm 25 to work to prompt indoor personnel that a fire occurs.
3. Monitoring the residual harmful gas function of decoration: gas sensor 7 real-time supervision formaldehyde, benzene series, TVOC, ammonia, radon gas concentration, give singlechip 23 with data transmission, when surpassing the default, singlechip 23 control shutter switching motor 17 work, through ring gear 9, motor gear 16, shutter flabellum gear 19, control shutter flabellum 11 is rotatory to be opened to 90, singlechip 23 control fan motor 4 work drives fan 2 rotatory simultaneously, produce the air current and ventilate, later singlechip 23 passes through communication module 24, with the indoor condition feedback to user's cell-phone that has fitment harmful gas, singlechip 23 control alarm 25 work simultaneously, suggestion personnel exist the fitment harmful gas.
When all gas concentrations monitored by the gas sensor 7 are below a preset value, whether harmful gas exists indoors is judged, the single chip microcomputer 23 controls the shutter opening and closing motor 17 to enable the shutter blades 11 to be in a closed state, and meanwhile the single chip microcomputer 23 controls the fan motor 4 to stop working and stop ventilation.
4. Manual ventilation and stop function: a user is connected with the communication module 24 through a mobile phone APP, a ventilation instruction is transmitted to the single chip microcomputer 23, the shutter opening and closing motor 17 is controlled to work, the shutter blades 11 are controlled to rotate and open to 90 degrees through the gear ring 9, the motor gear 16 and the shutter blade gear 19, meanwhile, the fan motor 4 is controlled to work to drive the fan 2 to rotate, and air flow is generated for ventilation; the user passes through cell-phone APP and connects with communication module 24, gives singlechip 23 with stop instruction transmission, controls shutter switching motor 17, makes shutter flabellum 11 close, controls fan motor 4 stop work simultaneously, and the ventilation stops.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as it will be apparent to those skilled in the art that various modifications, combinations and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A household intelligent detection ventilation shutter is characterized by comprising a ventilation system, a shutter system and a monitoring control system;
the ventilation system comprises a shell (1), a fan (2), a motor protection cover (3), a fan motor (4), a ventilation grid (5) and a motor support (6), wherein the fan motor (4) is arranged on one side of the fan (2), the fan motor (4) is fixed at the center of the motor protection cover (3), a plurality of motor supports (6) are uniformly arranged on the inner side of the shell (1), one end of each motor support (6) is fixed on the outer side of the motor protection cover (3), the other end of each motor support (6) is fixed on the inner side of the shell (1), and the ventilation grid (5) is arranged at one end of the shell (1);
the louver system comprises a shell (1), a ring fixing plate (8), a gear ring (9), a gear ring track (10), louver blades (11), a central support (12), an outer sealing plate (14), an outer cover body (15), a motor gear (16), a louver opening and closing motor (17), a louver opening and closing motor support (18), a louver blade gear (19), an inner sealing plate (20) and louver blade mounting holes (21), wherein the louver blades (11) comprise a blade main body (1101), a decorative circle (1102), a right sealing plate (1103), a sealing strip (1104), a left sealing plate (1105), a blade bottom shaft (1106) and a blade top shaft (1107), the blade main body (1101) is sector-shaped, the right sealing plate (1103) and the left sealing plate (1105) are respectively arranged on two sides of the blade main body (1101), the decorative circle (1102) is arranged on the front surface of the blade main body (1101), the fan blade protection cover is characterized in that a fan blade top shaft (1107) is arranged on the top side of a fan blade main body (1101), a fan blade bottom shaft (1106) is arranged on the bottom side of the fan blade main body (1101), a sealing strip (1104) is arranged on the front face of a right sealing plate (1103), a circular ring fixing plate (8), a shutter opening and closing motor support (18), a gear ring track (10) and an outer cover body (15) are sequentially arranged on the outer side of a shell (1), an outer sealing plate (14), an inner sealing plate (20) and shutter blade mounting holes (21) which are uniformly distributed are arranged at one end of the shell (1), the number of the outer sealing plate (14), the number of the inner sealing plate (20), the shutter blade mounting holes (21) and the number of shutter blades (11) are all 6, a central support (12) is arranged at one end of the motor protection cover (3), the shape of the central support (12) is a hexagonal prism, and the central position of each prism surface is connected with the fan blade bottom shaft (1106), the louver blade top shaft (1107) is connected with a louver blade mounting hole (21), the top of the louver blade top shaft (1107) is fixed with a louver blade gear (19), the gear ring (9) is arranged on the outer side of the gear ring track (10), the gear ring (9) is meshed with the motor gear (16), the gear ring (9) is meshed with the louver blade gear (19), the motor gear (16) is connected with a louver opening and closing motor (17), and the louver opening and closing motor (17) is fixed on a louver opening and closing motor support (18);
the monitoring control system comprises a gas sensor (7), an angle sensor (13), a power module (22), a single chip microcomputer (23), a communication module (24) and an alarm (25), wherein the plurality of gas sensors (7) are uniformly arranged on the inner side of the shell (1), the angle sensor (13) is arranged inside the central support (12), and the power module (22), the single chip microcomputer (23), the communication module (24) and the alarm (25) are arranged on the outer side of the shell (1).
2. A household intelligent detection ventilation shutter as claimed in claim 1, characterized in that a plurality of small holes for fixing are uniformly arranged on the circular ring fixing plate (8).
3. A domestic intelligent detection ventilation shutter as claimed in claim 1, characterized in that the allowed rotation angle of the shutter blades (11) is 90 °, the relation between the shutter blades (11) is lap joint, and the right sealing plate (1103) of the shutter blade (11) and the left sealing plate (1105) of the adjacent shutter blade (11) are pressed by the sealing strip (1104).
4. A domestic smart detection ventilation shutter according to claim 1, characterized in that said gas sensor (7) comprises a carbon dioxide sensor, a carbon monoxide sensor, a methane sensor, a formaldehyde sensor, a benzene series sensor, a TVOC sensor, an ammonia gas sensor, a smoke sensor and a radon gas sensor.
5. A domestic intelligent detection ventilation shutter as claimed in claim 1, characterized in that, the communication module (24) of the monitoring control system is a wireless connection, and the wireless connection adopts communication modes of Wi-Fi/RF433/EnOcean, Zigbee, Z-Wave and/or Bluetooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120229510.1U CN215633920U (en) | 2021-01-27 | 2021-01-27 | Domestic intellectual detection system ventilation shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120229510.1U CN215633920U (en) | 2021-01-27 | 2021-01-27 | Domestic intellectual detection system ventilation shutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215633920U true CN215633920U (en) | 2022-01-25 |
Family
ID=79912207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120229510.1U Expired - Fee Related CN215633920U (en) | 2021-01-27 | 2021-01-27 | Domestic intellectual detection system ventilation shutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215633920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909066A (en) * | 2022-04-08 | 2022-08-16 | 安徽欣叶安康门窗幕墙股份有限公司 | Prevent carbon monoxide poisoning's smart window |
-
2021
- 2021-01-27 CN CN202120229510.1U patent/CN215633920U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909066A (en) * | 2022-04-08 | 2022-08-16 | 安徽欣叶安康门窗幕墙股份有限公司 | Prevent carbon monoxide poisoning's smart window |
| CN114909066B (en) * | 2022-04-08 | 2023-04-11 | 欣叶安康科技股份有限公司 | Prevent carbon monoxide poisoning's smart window |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215633920U (en) | Domestic intellectual detection system ventilation shutter | |
| CN104633795A (en) | Energy-environment integrated machine for energy-efficient buildings | |
| CN104566759A (en) | Intelligent ventilation device | |
| CN207541488U (en) | Classroom electric appliance intelligent switch system | |
| CN206315655U (en) | A kind of kitchen pernicious gas processing system | |
| CN112824682A (en) | Monitoring device for control box of fire-fighting smoke exhauster | |
| CN216586784U (en) | Intelligent fire hydrant with flow monitoring function | |
| CN206017230U (en) | Harmful gass automatic exhaust fan | |
| CN214038790U (en) | Natural gas detection alarm and ventilation device | |
| CN205401199U (en) | Take automation of automatic alarm function to open exhaust fan | |
| CN213300450U (en) | Smoke prevention and exhaust equipment for high-rise building | |
| CN211084171U (en) | Smoke ventilator with hide gas alarm | |
| CN201281030Y (en) | Intelligent fresh air ventilation fan | |
| CN210033217U (en) | Intelligent shutter system | |
| CN220435581U (en) | Fire-proof valve convenient to install | |
| CN204421266U (en) | Intelligent ventilating apparatus | |
| CN203518121U (en) | Intelligent ventilation control device | |
| CN213330658U (en) | Intelligent window capable of automatically regulating and controlling according to weather and indoor temperature | |
| CN206803239U (en) | A kind of inflammable gas detection and occluding device | |
| CN220169608U (en) | Kitchen air supplementing device | |
| CN213599087U (en) | Be applied to gas of intelligent house and reveal autoalarm | |
| CN215002064U (en) | Novel carbon dioxide dynamic purification system | |
| CN219778321U (en) | Novel intelligent household gas alarm | |
| CN211087488U (en) | Wireless manipulator | |
| CN212006135U (en) | Ventilation system of intelligent switch window |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220125 |