CN207831616U - A kind of central air-conditioning air outlet system - Google Patents
A kind of central air-conditioning air outlet system Download PDFInfo
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- CN207831616U CN207831616U CN201820210541.0U CN201820210541U CN207831616U CN 207831616 U CN207831616 U CN 207831616U CN 201820210541 U CN201820210541 U CN 201820210541U CN 207831616 U CN207831616 U CN 207831616U
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- rotating bar
- blinds
- wind direction
- air
- drive
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Abstract
The utility model discloses a kind of central air-conditioning air outlet systems, it is intended to solve the problem of that traditional air quantity adjusts blinds and changes simultaneously air quantity and wind direction reduction air-out effect, its key points of the technical solution are that：Including installation frame, the installation frame is disposed with air quantity regulating course and wind direction regulating course along air-out direction, and the air quantity regulating course includes the first drive component of multiple air quantity blinds, the first rotating bar worn along air quantity blinds axis and driving the first rotating bar rotation；The wind direction regulating course includes multiple wind direction blinds, is axially arranged in the second rotating bar of wind direction blinds along wind direction blinds and the second drive component of driving the second rotating bar rotation.A kind of central air-conditioning air outlet system of the utility model, can adjust air quantity and wind direction respectively.
Description
Technical field
The utility model is related to a kind of central air-conditioning, more specifically, it relates to a kind of central air-conditioning air outlet system.
Background technology
Central air conditioner system is made of one or more cold and heat source systems and multiple air handling systems.Using liquid gasification
The principle of refrigeration provides institute's chilling requirement for air handling system, to offset the refrigeration duty of indoor environment；Heating system is air
Regulating system provides institute's calorific requirement, to offset indoor environment thermic load.
The installation frame of the air outlet position of central air-conditioning air outlet system is typically provided with blinds, by the keying of blinds come
Adjust the air quantity of air outlet.The keying of blinds also changes air-out direction while changing air outlet air quantity, and is adjusting out
Also it can change air output when wind direction, this makes the air-supply effect of air outlet that comfortable requirement be not achieved, and comfort is low.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of central air-conditioning air outlet system,
Have the advantages that air output and air-out direction can be adjusted respectively.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of central air-conditioning outlet air
System, including installation frame, the installation frame is disposed with air quantity regulating course and wind direction regulating course along air-out direction, described
Air quantity regulating course includes that multiple air quantity blinds, the first rotating bar worn along air quantity blinds axis and the first rotating bar of driving turn
The first dynamic drive component；The wind direction regulating course includes multiple wind direction blinds, is axially arranged in wind direction blinds along wind direction blinds
The second rotating bar and driving the second rotating bar rotation the second drive component.
By using above-mentioned technical proposal, the utility model is arranged air quantity regulating course and wind direction regulating course, passes through air quantity hundred
The keying of leaf and wind direction blinds overcomes conventional monolayers blinds while adjusting to achieve the effect that adjust air quantity and wind direction respectively
Disadvantage inconvenient to use and insufficient comfort caused by air quantity and wind direction.
The utility model is further arranged to：First drive component includes first motor and first motor output shaft
First drive rod of connection is fixedly connected on multiple first drive bevel gears on the first drive rod and is led respectively with multiple first
Multiple first driven wheel of differential of dynamic bevel gear engagement；Multiple first driven wheel of differential are respectively fixedly connected with multiple described
One end of first rotating bar, the first rotating bar other end are rotationally connected with installation frame side wall.
By using above-mentioned technical proposal, drive first motor, first motor that the first drive rod being attached thereto is driven to turn
It is dynamic, to drive the rotation of the first drive bevel gear, the first drive bevel gear to drive the first driven wheel of differential rotation being engaged with,
First drive bevel gear changes the transmission direction of power with the first driven wheel of differential.The drive of first driven wheel of differential is attached thereto
First rotating bar rotates, and to make air quantity blinds be rotated around the first rotating bar, is used as the one of driving air quantity blinds rotation with this
Kind mode.
The utility model is further arranged to：Second drive component includes the second motor and the second motor output shaft
First driving wheel of connection is respectively fixedly connected with first gear in multiple second rotating bar one end, and is arranged simultaneously
In the first synchronous belt of the first driving wheel and first gear；Multiple first gears are engaged with the first synchronous belt inside, institute
The second rotating bar other end is stated to be rotatablely connected with installation frame side wall.
By using above-mentioned technical proposal, the second motor, the second motor is driven to drive be attached thereto first actively to rotate
Dynamic, the first driving wheel drives the rotation of the first synchronous belt, the first gear rotation engaged on the inside of the drive therewith of the first synchronous belt, and first
Gear drives the second rotating bar rotation being attached thereto, and to make wind direction blinds be rotated around the second rotating bar, is used as drive with this
A kind of mode of dynamic wind direction blinds rotation.
The utility model is further arranged to：First drive component includes third motor and third motor output shaft
Second driving wheel of connection is respectively fixedly connected with second gear in multiple first rotating bar one end, and is arranged simultaneously
In the second synchronous belt of the second driving wheel and second gear；Multiple second gears are engaged with the second synchronous belt inside, institute
The first rotating bar other end is stated to be rotatablely connected with installation frame side wall.
By using above-mentioned technical proposal, third motor, third motor is driven to drive be attached thereto second actively to rotate
Dynamic, the second driving wheel drives the rotation of the second synchronous belt, the second gear rotation engaged on the inside of the drive therewith of the second synchronous belt, and second
Gear drives the first rotating bar rotation being attached thereto, and to make air quantity blinds be rotated around the first rotating bar, is used as drive with this
The another way of dynamic air quantity blinds rotation.
The utility model is further arranged to：Second drive component includes the 4th motor and the 4th motor output shaft
Second drive rod of connection is fixedly connected on multiple second drive bevel gears on the second drive rod and is led respectively with multiple second
Multiple second driven wheel of differential of dynamic bevel gear engagement；Multiple second driven wheel of differential are respectively fixedly connected with multiple described
One end of second rotating bar, the second rotating bar other end are rotationally connected with installation frame side wall.
By using above-mentioned technical proposal, drive the 4th motor, the 4th motor that the second drive rod being attached thereto is driven to turn
It is dynamic, to drive the rotation of the second drive bevel gear, the second drive bevel gear to drive the second driven wheel of differential rotation being engaged with,
Second drive bevel gear changes the transmission direction of power with the second driven wheel of differential.The drive of second driven wheel of differential is attached thereto
Second rotating bar rotates, and to make wind direction blinds be rotated around the second rotating bar, is used as the another of driving wind direction blinds rotation with this
A kind of mode.
The utility model is further arranged to：The quantity of the air quantity blinds is less than the quantity of the wind direction blinds.
By using above-mentioned technical proposal, the sum of the sum of area of air quantity blinds and the area of wind direction blinds are installing frame
The area that frame surrounds, the quantity of air quantity blinds are less than the quantity of wind direction blinds, reduce the quantity of the first rotating bar, reduce to outlet air
Influence.Wind direction blinds quantity is more, can more accurately adjust air supply direction.
The utility model is further arranged to：First rotating bar is mutually parallel with the second rotating bar.
By using above-mentioned technical proposal, such setting reduces damage when wind passes through two layers of regulating course with maximum limit
Consumption.
The utility model is further arranged to：The installation frame is additionally provided with the filter layer of filter cleaning air.
By using above-mentioned technical proposal, filter layer can cross particle and impurity in air filtering, purify air.
In conclusion the utility model has the advantages that：
First, the utility model setting air quantity regulating course and wind direction regulating course, pass through opening for air quantity blinds and wind direction blinds
It closes, to achieve the effect that adjust air quantity and wind direction respectively, overcomes conventional monolayers blinds while adjusting air quantity and wind direction is brought
Disadvantage inconvenient to use and insufficient comfort；
Second, driving first motor, first motor drives the first drive rod rotation being attached thereto, to drive the first master
Dynamic bevel gear rotate, the first drive bevel gear drive be engaged with the first driven wheel of differential rotation, the first drive bevel gear with
First driven wheel of differential changes the transmission direction of power.First driven wheel of differential drives the first rotating bar rotation being attached thereto,
To make air quantity blinds be rotated around the first rotating bar, by this be used as driving air quantity blinds rotation it is a kind of in a manner of；
Third, the second motor of driving, the second motor drives the first driving wheel rotation being attached thereto, the first driving wheel to drive
First synchronous belt rotates, and the first synchronous belt drives the first gear rotation that inside is engaged therewith, first gear drive to be attached thereto
The second rotating bar rotation, to make wind direction blinds rotate around the second rotating bar, with this be used as driving wind direction blinds rotate
A kind of mode.
Description of the drawings
Fig. 1 is the overall structure diagram of embodiment one and embodiment two；
Fig. 2 is the configuration schematic diagram of filter layer, air quantity regulating course and wind direction regulating course in embodiment one；
Fig. 3 is the enlarged drawing at A in Fig. 2；
Fig. 4 is the configuration schematic diagram of filter layer, air quantity regulating course and wind direction regulating course in embodiment two；
Fig. 5 is the enlarged drawing at B in Fig. 4.
In figure：1, installation frame；2, air quantity regulating course；21, air quantity blinds；22, the first rotating bar；231, first motor；
232, the first drive rod；233, the first drive bevel gear；234, the first driven wheel of differential；3, wind direction regulating course；31, wind direction hundred
Leaf；32, the second rotating bar；331, the second motor；332, the first driving wheel；333, the first synchronous belt；334, first gear；4, mistake
Filtering layer；51, third motor；52, the second driving wheel；53, the second synchronous belt；54, second gear；61, the 4th motor；62, second
Drive rod；63, the second drive bevel gear；64, the second driven wheel of differential.
Specific implementation mode
With reference to the accompanying drawings and examples, the utility model is described in detail.
Embodiment one
A kind of central air-conditioning air outlet system, as shown in Figure 1, the installation frame 1 including being installed on air-conditioner air outlet, installing frame
Frame 1 is provided with air quantity regulating course 2, wind direction regulating course 3 and filter layer 4,3 edge of filter layer 4, air quantity regulating course 2 and wind direction regulating course
Air-out direction is set gradually.Filter layer 4 is arranged in the present embodiment, can purify air, also sets up air quantity regulating course 2 and wind direction is adjusted
Layer 3 is overcome by the keying of air quantity regulating course 2 and wind direction regulating course 3 with achieving the effect that adjust air quantity and wind direction respectively
Conventional monolayers blinds adjusts disadvantage inconvenient to use caused by air quantity and wind direction and insufficient comfort simultaneously.
As shown in Fig. 2, air quantity regulating course 2 includes multiple air quantity blinds 21, the driving of multiple first rotating bars 22 and first
Component.First rotating bar 22 is equal with 21 quantity of air quantity blinds and corresponds, and the first rotating bar 22 is axial along air quantity blinds 21
It wears.First rotating bar, 22 one end is connected with the first drive component, and the other end is rotatablely connected with installation frame 1, the first driving
The first rotating bar of Component driver 22 rotates.The length of air quantity blinds 21 and installation frame 1（With reference to figure 1）Equal length, it is multiple
The width of air quantity blinds 21 and with installation frame 1（With reference to figure 1）Width it is equal.
As shown in figure 3, the first drive component includes first motor 231, the first drive rod 232, multiple first active conical tooths
Wheel 233 and multiple first driven wheel of differential 234.First drive rod, 232 one end is connected with the output shaft of first motor 231,
The other end and installation frame 1（With reference to figure 1）Side wall is rotatablely connected.Multiple first drive bevel gears 233 are fixedly connected with first
On drive rod 232, multiple first driven wheel of differential 234 are respectively fixedly connected in the same end of multiple first rotating bars 22, and more
A first drive bevel gear 233 is engaged with multiple first driven wheel of differential 234 one-to-one correspondence.Drive first motor 231, the first electricity
Machine 231 drives the first drive rod 232 rotation being attached thereto, to drive the rotation of the first drive bevel gear 233, the first initiative taper
Gear 233 drives the first driven wheel of differential 234 rotation being engaged with, the first drive bevel gear 233 and the first driven wheel of differential
234 change the transmission direction of power.First driven wheel of differential 234 drives the first rotating bar 22 rotation being attached thereto, to make
Air quantity blinds 21 is rotated around the first rotating bar 22, by this be used as 21 rotation of driving air quantity blinds it is a kind of in a manner of.
As shown in Fig. 2, wind direction regulating course 3 includes multiple wind direction blinds 31, the driving of multiple second rotating bars 32 and second
Component.Second rotating bar 32 is equal with 31 quantity of wind direction blinds and corresponds, and the second rotating bar 32 is axial along wind direction blinds 31
It wears.Second rotating bar, 32 one end is connected with the second drive component, and the other end is rotatablely connected with installation frame 1, the second driving
The second rotating bar of Component driver 32 rotates.The length of wind direction blinds 31 and installation frame 1（With reference to figure 1）Equal length, it is multiple
The width of wind direction blinds 31 and with installation frame 1（With reference to figure 1）Width it is equal.
As shown in figure 3, the second drive component include the second motor 331, the first driving wheel 332, the first synchronous belt 333 and
Multiple first gears 334.First driving wheel 332 is connected with 331 output shaft of the second motor, and the first synchronous belt 333 is arranged simultaneously
In the first driving wheel 332 and multiple first gears 334, and engaged simultaneously with driving wheel 332 and first gear 334.Multiple first
Gear 334 is respectively fixedly connected in the same end of multiple second rotating bars 32.The second motor 331, the second motor 331 is driven to drive
The first driving wheel 332 rotation being attached thereto, the first driving wheel 332 drive 334 turns of the first synchronous belt 333 and first gear
Dynamic, first gear 334 drives the second rotating bar 32 rotation being attached thereto, to make wind direction blinds 31 around 32 turns of the second rotating bar
It is dynamic, by this be used as 31 rotation of driving wind direction blinds it is a kind of in a manner of.
As shown in figure 3, first motor 231 and the second motor 331 are servo motor.
As shown in Fig. 2, the quantity of air quantity blinds 21 is less than the quantity of wind direction blinds 31.The sum of area of air quantity blinds 21 with
The sum of the area of wind direction blinds 31 is the area that installation frame 1 surrounds, and the quantity of air quantity blinds 21 is less than wind direction blinds 31
Quantity reduces the quantity of the first rotating bar 22, reduces the influence to outlet air.31 quantity of wind direction blinds is more, can be more accurate
Ground adjusts air supply direction.
As shown in Fig. 2, the first rotating bar 22 is mutually parallel with the second rotating bar 32.Such setting is subtracted with maximum limit
Few wind passes through loss when two layers of regulating course.
The course of work：First motor 231, first motor 231 is driven to drive the first drive rod 232 rotation being attached thereto,
To drive the rotation of the first drive bevel gear 233, the first drive bevel gear 233 to drive the first driven wheel of differential being engaged with
234 rotations, the first drive bevel gear 233 and the first driven wheel of differential 234 change the transmission direction of power.First driven wheel of differential
234 drive the first rotating bar 22 rotation being attached thereto to make with this to making air quantity blinds 21 be rotated around the first rotating bar 22
A kind of mode rotated for driving air quantity blinds 21.The second motor 331, the second motor 331 is driven to drive first be attached thereto
Driving wheel 332 rotates, and the first driving wheel 332 drives the rotation of the first synchronous belt 333, the first synchronous belt 333 to drive on the inside of therewith and nibble
The first gear 334 of conjunction rotates, and first gear 334 drives the second rotating bar 32 rotation being attached thereto, to make wind direction blinds
31 rotate around the second rotating bar 32, by this be used as 31 rotation of driving wind direction blinds it is a kind of in a manner of.
Embodiment two
The present embodiment and embodiment one the difference is that, as shown in Figure 4 and Figure 5, the first drive component includes third
Motor 51, the second driving wheel 52, the second synchronous belt 53 and multiple second gears 54.Second driving wheel 52 and third motor 51 are defeated
Shaft is connected, and the second synchronous belt 53 is sheathed on the second driving wheel 52 and multiple second gears 54 simultaneously, and simultaneously and driving wheel
It is engaged with multiple second gears 54.Multiple second gears 54 are respectively fixedly connected in the same end of multiple first rotating bars 22.It drives
Dynamic third motor 51, third motor 51 drive the second driving wheel 52 rotation being attached thereto, the second driving wheel 52 drive second same
It walks band 53 and second gear 54 rotates, second gear 54 drives the first rotating bar 22 rotation being attached thereto, to make air quantity
Blinds 21 is rotated around the first rotating bar 22, by this be used as 21 rotation of driving air quantity blinds it is a kind of in a manner of.
As shown in Figure 4 and Figure 5, the second drive component includes the 4th motor 61, the second drive rod 62, multiple second initiative tapers
Gear 63 and multiple second driven wheel of differential 64.Second drive rod, 62 one end is connected with the output shaft of the 4th motor 61, separately
One end and installation frame 1（With reference to figure 1）Side wall is rotatablely connected.Multiple second drive bevel gears 63 are fixedly connected in the second driving
On bar 62, multiple second driven wheel of differential 64 are respectively fixedly connected in the same end of multiple second rotating bars 32, and multiple second
Drive bevel gear 63 is engaged with multiple second driven wheel of differential 64 one-to-one correspondence.The 4th motor 61, the 4th motor 61 is driven to drive
The second drive rod 62 rotation being attached thereto, to drive the rotation of the second drive bevel gear 63, the second drive bevel gear 63 to drive
The second driven wheel of differential 64 rotation being engaged with, the second drive bevel gear 63 and the second driven wheel of differential 64 change the biography of power
Dynamic direction.Second driven wheel of differential 64 drives the second rotating bar 32 rotation being attached thereto, to make wind direction blinds 3131 around the
Two rotating bars 32 rotate, by this be used as 31 rotation of driving wind direction blinds it is a kind of in a manner of.
The course of work：Drive third motor 51, third motor 51 that the second driving wheel 52 being attached thereto is driven to rotate, second
Driving wheel 52 drives the rotation of the second synchronous belt 53, the second synchronous belt 53 that the second gear 54 that inside is engaged therewith is driven to rotate, the
Two gears 54 drive the first rotating bar 22 rotation being attached thereto, to make air quantity blinds 21 be rotated around the first rotating bar 22, with
This is used as the another way of 21 rotation of driving air quantity blinds.The 4th motor 61, the drive of the 4th motor 61 is driven to be attached thereto
The second drive rod 62 rotation, to drive the second drive bevel gear 63 rotation, the second drive bevel gear 63 drive be engaged with
The rotation of the second driven wheel of differential 64, the second drive bevel gear 63 and the second driven wheel of differential 64 change the transmission direction of power.
Second driven wheel of differential 64 drives the second rotating bar 32 rotation being attached thereto, to make wind direction blinds 31 around the second rotating bar 32
Rotation is used as the another way of 31 rotation of driving wind direction blinds with this.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of central air-conditioning air outlet system, including installation frame (1), it is characterised in that：The installation frame (1) is along outlet air side
To air quantity regulating course (2) and wind direction regulating course (3) is disposed with, the air quantity regulating course (2) includes multiple air quantity blinds
(21), the first driving group rotated along first rotating bar (22) of air quantity blinds (21) axis and the first rotating bar of driving (22)
Part；The wind direction regulating course (3) includes multiple wind direction blinds (31), is axially arranged in wind direction blinds (31) along wind direction blinds (31)
The second rotating bar (32) and driving the second rotating bar (32) rotate the second drive component.
2. a kind of central air-conditioning air outlet system according to claim 1, it is characterised in that：First drive component includes
First motor (231) exports the first drive rod (232) of axis connection with first motor (231), is fixedly connected on the first drive rod
(232) on multiple first drive bevel gears (233) and engaged respectively with multiple first drive bevel gears (233) multiple first
Driven wheel of differential (234)；Multiple first driven wheel of differential (234) are respectively fixedly connected in multiple first rotating bars
(22) one end, the first rotating bar (22) other end are rotationally connected with installation frame (1) side wall.
3. a kind of central air-conditioning air outlet system according to claim 1, it is characterised in that：Second drive component includes
Second motor (331) exports the first driving wheel (332) of axis connection with the second motor (331), is respectively fixedly connected in multiple institutes
The first gear (334) of the second rotating bar (32) one end is stated, and is sheathed on the first driving wheel (332) and first gear simultaneously
（334）The first synchronous belt (333)；Multiple first gears (334) are engaged with the first synchronous belt (333) inside, described
Second rotating bar (32) other end is rotatablely connected with installation frame (1) side wall.
4. a kind of central air-conditioning air outlet system according to claim 1, it is characterised in that：First drive component includes
Third motor (51) exports the second driving wheel (52) of axis connection with third motor (51), is respectively fixedly connected with multiple described
The second gear (54) of the first rotating bar (22) one end, and it is sheathed on the second driving wheel (52) and second gear (54) simultaneously
Second synchronous belt (53)；Multiple second gears (54) are engaged with the second synchronous belt (53) inside, first rotating bar
(22) other end is rotatablely connected with installation frame (1) side wall.
5. a kind of central air-conditioning air outlet system according to claim 1, it is characterised in that：Second drive component includes
4th motor (61) exports the second drive rod (62) of axis connection with the 4th motor (61), is fixedly connected on the second drive rod
(62) on multiple second drive bevel gears (63) and engaged respectively with multiple second drive bevel gears (63) multiple second from
Dynamic bevel gear (64)；Multiple second driven wheel of differential (64) are respectively fixedly connected in multiple second rotating bars (32)
One end, the second rotating bar (32) other end are rotationally connected with installation frame (1) side wall.
6. a kind of central air-conditioning air outlet system according to claim 1, it is characterised in that：The number of the air quantity blinds (21)
Quantity of the amount less than the wind direction blinds (31).
7. a kind of central air-conditioning air outlet system according to claim 1, it is characterised in that：First rotating bar (22) with
Second rotating bar (32) is mutually parallel.
8. a kind of central air-conditioning air outlet system according to claim 1, it is characterised in that：The installation frame (1) also sets
It is equipped with the filter layer (4) of filter cleaning air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820210541.0U CN207831616U (en) | 2018-02-05 | 2018-02-05 | A kind of central air-conditioning air outlet system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820210541.0U CN207831616U (en) | 2018-02-05 | 2018-02-05 | A kind of central air-conditioning air outlet system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207831616U true CN207831616U (en) | 2018-09-07 |
Family
ID=63397117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820210541.0U Expired - Fee Related CN207831616U (en) | 2018-02-05 | 2018-02-05 | A kind of central air-conditioning air outlet system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207831616U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486582A (en) * | 2020-04-27 | 2020-08-04 | 李世霞 | Multi-direction air-out system that adjusts of air conditioner |
| CN111578495A (en) * | 2020-04-25 | 2020-08-25 | 国泰瑞安股份有限公司 | Central air conditioning air-out control system |
| CN112197409A (en) * | 2020-09-23 | 2021-01-08 | 刘中恕 | Electricity-free central air conditioner wind direction adjusting device |
| CN113483463A (en) * | 2021-06-08 | 2021-10-08 | 杭州裕达自动化科技有限公司 | Intelligent control method for machine room group control in central air-conditioning monitoring system |
| CN114543235A (en) * | 2022-02-24 | 2022-05-27 | 俞卉盛 | Environment-friendly ventilation device for building engineering and use method thereof |
-
2018
- 2018-02-05 CN CN201820210541.0U patent/CN207831616U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578495A (en) * | 2020-04-25 | 2020-08-25 | 国泰瑞安股份有限公司 | Central air conditioning air-out control system |
| CN111486582A (en) * | 2020-04-27 | 2020-08-04 | 李世霞 | Multi-direction air-out system that adjusts of air conditioner |
| CN111486582B (en) * | 2020-04-27 | 2021-09-10 | 李世霞 | Multi-direction air-out system that adjusts of air conditioner |
| CN112197409A (en) * | 2020-09-23 | 2021-01-08 | 刘中恕 | Electricity-free central air conditioner wind direction adjusting device |
| CN113483463A (en) * | 2021-06-08 | 2021-10-08 | 杭州裕达自动化科技有限公司 | Intelligent control method for machine room group control in central air-conditioning monitoring system |
| CN114543235A (en) * | 2022-02-24 | 2022-05-27 | 俞卉盛 | Environment-friendly ventilation device for building engineering and use method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20190205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |