CN109140735A - It is a kind of can feedback regulation wind speed, wind direction and air quantity air port distributor - Google Patents
It is a kind of can feedback regulation wind speed, wind direction and air quantity air port distributor Download PDFInfo
- Publication number
- CN109140735A CN109140735A CN201810970224.3A CN201810970224A CN109140735A CN 109140735 A CN109140735 A CN 109140735A CN 201810970224 A CN201810970224 A CN 201810970224A CN 109140735 A CN109140735 A CN 109140735A
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- China
- Prior art keywords
- air
- supply
- wind speed
- diffuser
- wind
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/30—Velocity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses it is a kind of can feedback regulation wind speed, wind direction and air quantity air port distributor, mainly include control system and monitoring system.Control system adjusts wind speed, wind direction and the air quantity of four air-supply regions.The control system mainly includes 2 pieces of subregion baffles, m adjustment sheet, transmission device, driving device and control route.The wind speed of monitoring four air-supply regions of system monitoring, and judges whether the requirement for meeting judgment rule, if it does not meet the requirements, then feeds back to the control system, so that control system be made to readjust the wind speed, wind direction and air quantity of four air-supply regions.The monitoring system mainly includes air velocity transducer, fixed plate, single-chip microcontroller and data line.The present invention further improves the practicability and convenience of traditional air diffuser, realizes the effective integrated of air diffuser and wind speed, wind direction and air quantity independent partitions regulating device.
Description
Technical field
The present invention relates to Room air distribution design Planting Techniques field again, it is specifically a kind of can feedback regulation wind speed, wind direction and
The air port distributor of air quantity.
Background technique
Traditional square diffuser or round air diffuser are the uniform outlet air of four direction, and air-supply wind speed and air output size are complete
It is complete consistent, this requires the region of air diffuser service is square or close to square, to meet range and indoor air velocity
It is required that.But since the irregular shape in room, a secondary design and secondary decoration such as have differences at cause specifics, the room different zones
The air-supply wind speed and air output of demand are of different sizes, and traditional air diffuser is unable to satisfy this requirement, this may cause room
Between it is uneven in temperature, hot comfort is poor, in some instances it may even be possible to there is apparent blowing feeling.Meanwhile the structure and form of traditional air diffuser
It is relatively fixed, it is not easy to carry out secondary transformation in original basis.
Summary of the invention
Present invention aim to address problems of the prior art.
To realize the present invention purpose and the technical solution adopted is that such, one kind can feedback regulation wind speed, wind direction and wind
The air port distributor of amount mainly includes control system and monitoring system.
The control system adjusts wind speed, wind direction and the air quantity of four air-supply regions.
The control system mainly includes 2 pieces of subregion baffles, m adjustment sheet, transmission device, driving device and control line
Road.
Two pieces of subregion baffles are in crossing distribution.
Two pieces of subregion baffles are placed in air diffuser throat, so that air diffuser throat section is uniformly divided into four air-supplies
Region is denoted as the 1st air-supply region, the 2nd air-supply region, the 3rd air-supply region and the 4th air-supply region respectively.
The subregion baffle is rectangle baffle.
M adjustment sheet is evenly distributed in four air-supply regions.M adjustment sheet is adjusted respectively according to the rotational angle of adjustment sheet
Wind speed, wind direction and the air quantity of air-supply region belonging to saving.
The bottom of the adjustment sheet is concordant with air diffuser throat section.
The adjustment sheet is trapezoidal.
The transmission device drives adjustment sheet rotation.
The transmission device mainly includes fixation member, rotatable parts and transmission parts.
The fixation member is fixed on the side of subregion baffle.The fixation member and rotatable parts nested encryptions.
The rotatable parts are symmetrically mounted on the both ends of adjustment sheet, drive adjustment sheet rotation.
One end of the transmission parts is fixedly connected with driving device, and the other end is fixedly connected with rotatable parts.
The driving instruction that the driving device is sent by control line receiver single-chip microcontroller.
After the driving device receives driving instruction, the rotational angle of adjustment sheet is adjusted by the transmission device, into
And adjust the wind speed, wind direction and air quantity of different air-supply regions.
The driving device is fixedly mounted on subregion baffle.
The driving device is motor.
The wind speed of monitoring four air-supply regions of system monitoring, and judge whether the requirement for meeting judgment rule, if not
Meet the requirements, then fed back to the control system, thus make control system readjust the wind speed of four air-supply regions, wind direction and
Air quantity.
The monitoring system mainly includes air velocity transducer, fixed plate, single-chip microcontroller and data line.
The air velocity transducer is mounted on the air-supply annular section center of each air-supply region.The air velocity transducer and
Section of blowing is parallel.The air velocity transducer acquires the wind speed of air-supply section in real time.
The fixed plate is placed in above air diffuser throat.Fixed plate is concordant with air diffuser throat section.The fixed plate and
The subregion baffle is fixedly connected.
The single-chip microcontroller is fixedly mounted in fixed plate.
The single-chip microcontroller receives the air-supply sectional wind velocity that air velocity transducer acquires in real time by data line.
The single-chip microcontroller carries out analytical calculation to air-supply sectional wind velocity according to preset judgment rule, if it does not meet the requirements,
Driving instruction is then issued to motor by control route.
The judgment criterion mainly includes following two criterion:
Judgment criterion one, judge different air supply directions range x whether the requirement of coincidence formula 1.
The requirement of the range x of different air supply directions is as follows:
In formula, x is the air-supply range of air diffuser a air supply direction.A=1,2,3,4.K is air outlet constant.F is diffusing
Device corresponds to the area of the zoned air section of a air supply direction.vsCorrespond to the zoned air of a air supply direction for air diffuser
The mean flow rate of section.vxFor the axis speed of jet stream end.A1For air diffuser a air supply direction service length.
The wind speed v of judgment criterion two, different air supply directionspjIt is required that as follows:
In formula, vpjFor the mean wind speed of air diffuser coverage on a air supply direction.N is corresponding to a air supply direction
Range ratio.A1For air diffuser a air supply direction service length.H is the height of room or coverage.K is that air-supply is repaired
Positive coefficient.v0To limit wind speed.
Wherein, corresponding to the range of a air supply direction than as follows:
In formula, x is the air-supply range of air diffuser a air supply direction.A1It is long in the service of a air supply direction for air diffuser
Degree.
The solution have the advantages that unquestionable.The present invention is without before carrying out secondary transformation to traditional air diffuser
It puts, increases the function of district grid wind direction, wind speed and air quantity for traditional air diffuser, and monitoring system is added, according to monitoring
Feedback regulation is carried out to air speed data and initial sets requirement, further improves the practicability and convenience of traditional air diffuser,
Realize the effective integrated of air diffuser and wind speed, wind direction and air quantity independent partitions regulating device.The present invention can be directly mounted at
It is compact-sized without being also not take up extra space to the secondary transformation of former air diffuser progress inside rectangular or round air diffuser,
It maintains easily.
The present invention Real-time Monitoring Data and can calculate analysis index of correlation, when index is unsatisfactory for sets requirement, pass through control
The rotational angle of different subregions adjustment sheet processed, it is separately adjustable to wind speed, wind direction and the air quantity progress of each air supply direction, to guarantee
Room temperature and wind speed profile are uniform, effectively improve human thermal comfort degree.
Detailed description of the invention
Fig. 1 is that air port distributor is mounted on the overall structure diagram on round air diffuser；
Fig. 2 is the partial structural diagram that air port distributor is mounted on round air diffuser；
Fig. 3 is overall structure diagram of the air port distributor in square diffuser；
Fig. 4 is partial structural diagram of the air port distributor in square diffuser；
In figure: subregion baffle 11, adjustment sheet 12, driving device 14, control route 15, fixation member 131, rotatable parts
132, transmission parts 133, air velocity transducer 26, fixed plate 27, single-chip microcontroller 28, data line 29, air diffuser 3, air diffuser larynx
Portion 31 and air-supply section 4.
Specific embodiment
Below with reference to embodiment, the invention will be further described, but should not be construed the above-mentioned subject area of the present invention only
It is limited to following embodiments.Without departing from the idea case in the present invention described above, according to ordinary skill knowledge and used
With means, various replacements and change are made, should all include within the scope of the present invention.
Embodiment 1:
Referring to Fig. 1 to Fig. 4, it is a kind of can feedback regulation wind speed, wind direction and air quantity air port distributor, main includes control system
System and monitoring system.
The control system adjusts wind speed, wind direction and the air quantity of four air-supply regions.
The control system mainly includes 2 pieces of subregion baffles 11, m adjustment sheet 12, transmission device, driving device 14 and control
Route 15 processed.
Two pieces of subregion baffles 11 are in crossing distribution.
Two pieces of subregion baffles 11 are placed in air diffuser throat 31, so that 31 section of air diffuser throat is uniformly divided into four
A air-supply region is denoted as the 1st air-supply region, the 2nd air-supply region, the 3rd air-supply region and the 4th air-supply region respectively.Described two pieces
Subregion baffle 11 can be by disassembling and installing above air diffuser throat 31.Two pieces of subregion baffles 11 are in air diffuser throat 31
When, rotatable shift position.
Further, air diffuser 3 can be square diffuser or round air diffuser.
The subregion baffle 11 is rectangle baffle.
M adjustment sheet 12 is evenly distributed in four air-supply regions.M adjustment sheet 12 is according to the rotational angle of adjustment sheet 12
Wind speed, wind direction and the air quantity of air-supply region belonging to adjusting respectively.The quantity m of adjustment sheet can be determined by specific indoor environment and air diffuser
It is fixed
The bottom of the adjustment sheet 12 is concordant with 31 section of air diffuser throat.
The adjustment sheet 12 is trapezoidal.
The transmission device drives adjustment sheet to rotate upwardly and downwardly.
The transmission device mainly includes fixation member 131, rotatable parts 132 and transmission parts 133.
The fixation member 131 is fixed on the side of subregion baffle 11.The fixation member 131 and rotatable parts 132 are embedding
Set connection.
The rotatable parts 132 are symmetrically mounted on the both ends of adjustment sheet 12, and adjustment sheet 12 is driven to rotate.
One end of the transmission parts 133 is fixedly connected with driving device 14, and the other end is fixedly connected with rotatable parts 132.
The driving device 14 receives the driving instruction that single-chip microcontroller 28 is sent by control route 15.
After the driving device 14 receives driving instruction, the angle of rotation of adjustment sheet 12 is adjusted by the transmission device
Degree, and then adjust wind speed, wind direction and the air quantity of different air-supply regions.
The driving device 14 is fixedly mounted on subregion baffle 11.
The driving device 14 is motor.
The wind speed of monitoring four air-supply regions of system monitoring, and judge whether the requirement for meeting judgment rule, if not
Meet the requirements, then fed back to the control system, thus make control system readjust the wind speed of four air-supply regions, wind direction and
Air quantity.
The monitoring system mainly includes air velocity transducer 26, fixed plate 27, single-chip microcontroller 28 and data line 29.
The air velocity transducer 26 is mounted on the air-supply annular section center of each air-supply region.The air velocity transducer
26 is parallel with air-supply section 4.The wind speed of the acquisition air-supply in real time of air velocity transducer 26 section 4.
The fixed plate 27 is placed at 31 top of air diffuser throat.Fixed plate 27 is concordant with 31 section of air diffuser throat.Institute
Fixed plate 27 is stated to be fixedly connected with the subregion baffle 11.The fixed plate 27 and the subregion baffle 11 pass through air diffuser throat
31 top disassembly and installations.
The single-chip microcontroller 28 is fixedly mounted in fixed plate 27.
The single-chip microcontroller 28 receives 4 wind speed of air-supply section that air velocity transducer 26 acquires in real time by data line 29.
The single-chip microcontroller 28 carries out analytical calculation to air-supply 4 wind speed of section according to preset judgment rule, wants if not meeting
It asks, then driving instruction is issued to motor by control route 15.
The judgment criterion mainly includes following two criterion:
Judgment criterion one, judge different air supply directions range x whether the requirement of coincidence formula 1.
The requirement of the range x of different air supply directions is as follows:
In formula, x is the air-supply range (m) of 3 a air supply direction of air diffuser.A=1,2,3,4.K is air outlet constant.K=
1.1.F is the area (m for the zoned air section 4 that air diffuser 3 corresponds to a air supply direction2), it is true by 3 inherent parameters of air diffuser
It is fixed.vsThe mean flow rate for corresponding to the zoned air section 4 of a air supply direction for air diffuser 3, is measured by air velocity transducer 26.vx
For the axis speed of jet stream end.vx=0.5 (m/s).A1For air diffuser 3 a air supply direction service length, by air diffuser 3
The requirement of initial sets requirement and coverage determines.
The wind speed v of judgment criterion two, different air supply directionspjIt is required that as follows:
In formula, vpjFor the mean wind speed (m/s) of the coverage on a air supply direction of air diffuser 3.N is to send corresponding to a
The range ratio in wind direction.A1For air diffuser 3 a air supply direction service length.H is the height of room or coverage, by
Room parameter or initial sets requirement obtain.K is air-supply correction factor, and air diffuser 3 is 0.8 when sending hot wind, is when sending cold wind
1.2。v0To limit wind speed (m/s), air diffuser 3 is 0.2 when sending hot wind, is 0.25 when sending cold wind.
Wherein, corresponding to the range of a air supply direction than as follows:
In formula, x is the air-supply range of air diffuser a air supply direction.A1It is long in the service of a air supply direction for air diffuser
Degree.
Embodiment 2:
A method of using can feedback regulation wind speed, wind direction and air quantity air port distributor, mainly comprise the steps that
1) installing in the air diffuser throat 31 for needing to adjust wind speed, wind direction and air quantity can feedback regulation wind speed, wind direction and wind
The air port distributor of amount.Wherein, subregion baffle is mounted in air diffuser throat 31 in cross.Air velocity transducer 26 is installed
Afterwards, the initial parameter of each sensor is set and has debugged data-transformation facility.
2) wind speed of the monitoring system real-time monitoring of air port distributor four air-supply subregions, single-chip microcontroller 28 receive air monitoring
Data simultaneously calculate related performance indicators according to transfers between divisions, and judge whether the sets requirement for meeting judgment criterion, are unsatisfactory for
When sets requirement, single-chip microcontroller 28 sends driving signal to driving device 14.Related performance indicators are mainly wind speed.
3) 14 driving transmission device of driving device works, so that the rotational angle of adjustment sheet 12 be driven to change.
4) distribution of this air port is then completed until wind speed meets judgment criterion in return step 2.
Claims (5)
1. one kind can feedback regulation wind speed, wind direction and air quantity air port distributor, it is characterised in that: mainly include the control system
System and monitoring system；
The control system adjusts wind speed, wind direction and the air quantity of four air-supply regions；
The control system mainly include 2 pieces of subregion baffles (11), m adjustment sheet (12), transmission device, driving device (14) and
It controls route (15)；
Two pieces of subregion baffles (11) are in crossing distribution；
Two pieces of subregion baffles (11) are placed in air diffuser throat (31), so that air diffuser throat (31) section is uniformly divided into
Four air-supply regions；Four air-supply regions are denoted as the 1st air-supply region, the 2nd air-supply region, the 3rd air-supply region and the 4th air-supply respectively
Region；
M adjustment sheet (12) is evenly distributed in four air-supply regions；M adjustment sheet (12) is according to the angles of rotation of adjustment sheet (12)
Degree adjusts wind speed, wind direction and the air quantity of affiliated air-supply region respectively；
The bottom of the adjustment sheet (12) is concordant with air diffuser throat (31) section；
The transmission device drives adjustment sheet to rotate upwardly and downwardly；
The transmission device mainly includes fixation member (131), rotatable parts (132) and transmission parts (133)；
The fixation member (131) is fixed on the side of subregion baffle (11)；The fixation member (131) and rotatable parts
(132) nested encryptions；
The rotatable parts (132) are symmetrically mounted on the both ends of adjustment sheet (12), drive adjustment sheet (12) rotation；
One end of the transmission parts (133) is fixedly connected driving device (14), and the other end is fixedly connected with rotatable parts (132)；
The driving device (14) receives the driving instruction that single-chip microcontroller (28) are sent by control route (15)；
After the driving device (14) receives driving instruction, the angle of rotation of adjustment sheet (12) is adjusted by the transmission device
Degree；
The driving device (14) is fixedly mounted on subregion baffle (11)；
The wind speed of monitoring four air-supply regions of system monitoring, and judge whether the requirement for meeting judgment rule, if not meeting
It is required that then being fed back to the control system；
The monitoring system mainly includes air velocity transducer (26), fixed plate (27), single-chip microcontroller (28) and data line (29)；
The air velocity transducer (26) is mounted on the air-supply annular section center of each air-supply region；The air velocity transducer
(26) parallel with air-supply section (4)；The wind speed of the air velocity transducer (26) acquisition air-supply section (4) in real time；
The fixed plate (27) is placed in above air diffuser throat (31)；Fixed plate (27) is concordant with air diffuser throat (31) section；
The fixed plate (27) is fixedly connected with the subregion baffle (11)；
The single-chip microcontroller (28) is fixedly mounted on fixed plate (27)；
The single-chip microcontroller (28) receives air-supply section (4) wind that air velocity transducer (26) acquire in real time by data line (29)
Speed.
The single-chip microcontroller (28) carries out analytical calculation to air-supply section (4) wind speed according to preset judgment rule, wants if not meeting
It asks, then driving instruction is issued to motor by control route (15).
2. one kind according to claim 1 can feedback regulation wind speed, wind direction and air quantity air port distributor, feature exists
In: the driving device (14) is motor.
3. one kind according to claim 1 or 2 can feedback regulation wind speed, wind direction and air quantity air port distributor, feature
Be: the subregion baffle (11) is rectangle baffle.
4. one kind according to claim 1 or 2 can feedback regulation wind speed, wind direction and air quantity air port distributor, feature
Be: the adjustment sheet (12) is trapezoidal.
5. one kind according to claim 1 or 3 can feedback regulation wind speed, wind direction and air quantity air port distributor, feature
Be: the judgment criterion mainly includes following two criterion:
Judgment criterion one, judge different air supply directions range x whether the requirement of coincidence formula 1；
The requirement of the range x of different air supply directions is as follows:
In formula, x is the air-supply range of (3) a air supply direction of air diffuser；A=1,2,3,4；K is air outlet constant；F is air diffuser
(3) area corresponding to the zoned air section (4) of a air supply direction；vsCorrespond to a air supply direction for air diffuser (3)
The mean flow rate of zoned air section (4)；vxFor the axis speed of jet stream end；A1It is air diffuser (3) in a air supply direction
Service length；
The wind speed v of judgment criterion two, different air supply directionspjIt is required that as follows:
In formula, vpjFor air diffuser (3) mean wind speed of coverage on a air supply direction；N is corresponding to a air supply direction
Range ratio；A1It is air diffuser (3) in the service length of a air supply direction；H is the height of room or coverage；K is air-supply
Correction factor；v0To limit wind speed；
Wherein, corresponding to the range of a air supply direction than as follows:
In formula, x is the air-supply range of (3) a air supply direction of air diffuser；A1For air diffuser a air supply direction service length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810970224.3A CN109140735A (en) | 2018-08-24 | 2018-08-24 | It is a kind of can feedback regulation wind speed, wind direction and air quantity air port distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810970224.3A CN109140735A (en) | 2018-08-24 | 2018-08-24 | It is a kind of can feedback regulation wind speed, wind direction and air quantity air port distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109140735A true CN109140735A (en) | 2019-01-04 |
Family
ID=64827667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810970224.3A Pending CN109140735A (en) | 2018-08-24 | 2018-08-24 | It is a kind of can feedback regulation wind speed, wind direction and air quantity air port distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109140735A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869886A (en) * | 2019-03-29 | 2019-06-11 | 重庆大学 | A kind of energy-saving air-conditioning orientation air supply device based on rotating jet |
| CN112556033A (en) * | 2020-12-21 | 2021-03-26 | 广州超卓机电工程有限公司 | Multifunctional household central air conditioner |
| CN114333333A (en) * | 2022-03-10 | 2022-04-12 | 四川高速公路建设开发集团有限公司 | Tidal type highway intelligent service area based on traffic flow prediction |
| CN114943113A (en) * | 2022-07-26 | 2022-08-26 | 江西少科智能建造科技有限公司 | Method, system, storage medium and device for arranging diffusers in polygonal room |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869886A (en) * | 2019-03-29 | 2019-06-11 | 重庆大学 | A kind of energy-saving air-conditioning orientation air supply device based on rotating jet |
| CN109869886B (en) * | 2019-03-29 | 2020-09-15 | 重庆大学 | Directional air supply arrangement of energy-conserving air conditioner based on rotatory efflux |
| CN112556033A (en) * | 2020-12-21 | 2021-03-26 | 广州超卓机电工程有限公司 | Multifunctional household central air conditioner |
| CN114333333A (en) * | 2022-03-10 | 2022-04-12 | 四川高速公路建设开发集团有限公司 | Tidal type highway intelligent service area based on traffic flow prediction |
| CN114943113A (en) * | 2022-07-26 | 2022-08-26 | 江西少科智能建造科技有限公司 | Method, system, storage medium and device for arranging diffusers in polygonal room |
| CN114943113B (en) * | 2022-07-26 | 2022-11-01 | 江西少科智能建造科技有限公司 | Method, system, storage medium and device for arranging diffusers in polygonal rooms |
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Application publication date: 20190104 |
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| RJ01 | Rejection of invention patent application after publication |