CN208901561U - A kind of new blower and fresh air system - Google Patents
A kind of new blower and fresh air system Download PDFInfo
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- CN208901561U CN208901561U CN201821548805.XU CN201821548805U CN208901561U CN 208901561 U CN208901561 U CN 208901561U CN 201821548805 U CN201821548805 U CN 201821548805U CN 208901561 U CN208901561 U CN 208901561U
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Abstract
The utility model provides a kind of new blower and fresh air system, is related to appliance field.New blower includes shell, filter assemblies, air intake blower fan and air intake assembly, filter assemblies and air intake blower fan are arranged in shell, one end of air intake assembly and shell, air intake assembly are provided with the first air inlet part and the second air inlet part, are additionally provided with the first air outlet on shell；First air inlet part enters to outdoor unstrpped gas in shell from the first air inlet part for being selectively connected to outdoor；Second air inlet part enters to indoor indoor gas in shell from the second air inlet part for being selectively connected to indoor；Filter assemblies are used to mixed gas being filtered into fresh air gas, and drain into interior by the first air outlet, wherein mixed gas by unstrpped gas and or indoor gas formed.In the present invention, air intake blower fan can filter indoor gas by filter assemblies again, form fresh air gas, can reduce energy consumption, save the cost.
Description
Technical field
The utility model relates to appliance fields, in particular to a kind of new blower and fresh air system.
Background technique
New blower is a kind of effective air cleaning facility, and room air can be made to generate circulation, on the one hand indoor dirty
Outdoor is discharged in turbid air, on the other hand outdoor ozone by sterilizing, after the measures such as disinfection, filtering, then is input to
Interior, allow all be all the time in room fresh clean air.
New blower uses fresh air convection current patented technology, by independently blowing and air inducing, room air is made to realize convection current, thus
The carry out room air displacement utmostly changed, multifunctional purifying system built in new blower guarantee that the air cleaning entered the room is strong
Health.Fresh air machine is broadly divided into the new blower of air-exhaust type and the new blower two types of blast type, can be under most indoor environments
Installation, it is easy for installation, using comfortable.New blower is the health partner of home life.
The energy consumption of new blower on the market is higher at present, leads to higher cost.
Utility model content
The purpose of this utility model is to provide a kind of new blowers, can reduce energy consumption, save the cost.
The purpose of this utility model is to provide a kind of fresh air system, can reduce energy consumption, save the cost.
The utility model provides a kind of technical solution:
A kind of new blower, for providing fresh air gas, including shell, filter assemblies, air intake blower fan and air inlet group for interior
Part, the filter assemblies and the air intake blower fan are arranged in the shell, one end of the air intake assembly and the shell,
The air intake assembly is provided with the first air inlet part and the second air inlet part, is additionally provided with the first air outlet on the shell；
The first air inlet part makes outdoor unstrpped gas from the first air inlet part for being selectively connected to outdoor
It enters in the shell；
The second air inlet part makes indoor indoor gas from the second air inlet part for being selectively connected to indoor
It enters in the shell；
The filter assemblies are used to mixed gas being filtered into the fresh air gas, and are drained by first air outlet
It is indoor, wherein the mixed gas by the unstrpped gas and or the indoor gas formed.
Further, in the utility model preferred embodiment, the new blower further includes control unit, the control
Unit is connect with the first air inlet part and the second air inlet part；
Described control unit controls first air inlet after being used to receive the gas parameter of the indoor gas detected
Part and or the second air inlet part open, wherein the gas parameter characterizes indoor air quality.
Further, in the utility model preferred embodiment, described control unit is for receiving the institute detected
The opening degree of the second air inlet part is controlled after stating gas parameter and the first air inlet part opens or closes, so that the interior
The gas parameter of gas is no more than parameter preset.
Further, in the utility model preferred embodiment, the second air inlet part includes the second air inlet and the
Two block pieces, second air inlet and second block piece are arranged in the air intake assembly；
Described control unit is connect with second block piece, is referred to for sending second after receiving the gas parameter
It enables, moves second block piece, to adjust the opening degree of second air inlet.
Further, in the utility model preferred embodiment, second block piece includes baffle, actuator and biography
Moving part, the baffle and second air inlet cooperate, and the actuator is connect by the driving member with the baffle, described
Actuator drives the baffle to move to target position after receiving second instruction by the driving member, to adjust
The opening degree of second air inlet.
Further, in the utility model preferred embodiment, the driving member includes the first driving section and multiple the
Two driving sections, the actuator are connect by first driving section with the baffle, and multiple second driving sections are equably
The two sides of the baffle are set, and are cooperated with the air intake assembly；
It is described when the actuator is by driving first driving section that the baffle is made to move to the target position
Second driving section is rotated relative to the air intake assembly.
Further, in the utility model preferred embodiment, the first air inlet part includes the first air inlet and the
One block piece, first air inlet and first block piece are arranged in the air intake assembly；
Described control unit is connect with first block piece, is referred to for sending first after receiving the gas parameter
It enables, first block piece is made to open or close first air inlet.
Further, in the utility model preferred embodiment, the new blower further includes air-out component, the outlet air
Component is connect with the air intake assembly far from the side of the shell, and the air-out component is for the indoor gas to be expelled to
Outdoor balances indoor pressure.
Further, in the utility model preferred embodiment, the air-out component includes outlet air shell and outlet air wind
Machine is provided with the second air outlet in the one side wall of the outlet air shell, and the another of the outlet air shell is arranged in the air-out blower fan
In one side wall, the air-out blower fan is used for the indoor gas from second air outlet to outdoor.
A kind of fresh air system includes new blower, the new blower, for providing fresh air gas, including shell, mistake for interior
Filter component, air intake blower fan and air intake assembly, the filter assemblies and the air intake blower fan are arranged in the shell, it is described into
One end of wind component and the shell, the air intake assembly are provided with the first air inlet part and the second air inlet part, go back on the shell
It is provided with the first air outlet；
The first air inlet part makes outdoor unstrpped gas from the first air inlet part for being selectively connected to outdoor
It enters in the shell；
The second air inlet part makes indoor indoor gas from the second air inlet part for being selectively connected to indoor
It enters in the shell；
The filter assemblies are used to mixed gas being filtered into the fresh air gas, and are drained by first air outlet
It is indoor, wherein the mixed gas by the unstrpped gas and or the indoor gas formed.
The beneficial effect of new blower provided by the utility model and fresh air system is: new blower include shell, filter assemblies,
Air intake blower fan and air intake assembly, filter assemblies and air intake blower fan are arranged in shell, one end of air intake assembly and shell, air inlet
Component is provided with the first air inlet part and the second air inlet part, is additionally provided with the first air outlet on shell；First air inlet part is for selecting
Property be connected to outdoor, enter to outdoor unstrpped gas in shell from the first air inlet part；Second air inlet part is for selectivity
Ground is connected to interior, enters to indoor indoor gas in shell from the second air inlet part；Filter assemblies are used for mixed gas
Be filtered into fresh air gas, and interior drained by the first air outlet, wherein mixed gas by unstrpped gas and or indoor gas
It is formed.
In the present invention, first air inlet part be optionally connected to outdoor, second air inlet part optionally with
Indoor connection can make unstrpped gas or enter in shell with indoor gas when air intake blower fan work, and filter assemblies will
Mixed gas is filtered into fresh air gas.In the present invention, indoor gas can be passed through filter assemblies again by air intake blower fan
Filtering forms fresh air gas, can reduce energy consumption, save the cost.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram at the first visual angle of the new blower that the utility model embodiment one provides.
Fig. 2 is the structural schematic diagram at the second visual angle of the new blower that the utility model embodiment one provides.
Fig. 3 is the composition block diagram for the new blower that the utility model embodiment one provides.
Fig. 4 is the structural schematic diagram of the air intake assembly for the new blower that the utility model embodiment one provides.
Fig. 5 is the structural representation of the second air inlet part of the air intake assembly for the new blower that the utility model embodiment one provides
Figure.
Fig. 6 is the structural schematic diagram of the air-out component for the new blower that the utility model embodiment one provides.
Fig. 7 is the structural schematic diagram at the third visual angle for the new blower that the utility model embodiment one provides.
Fig. 8 is the structural schematic diagram for the fresh air system that the utility model embodiment two provides.
Icon: 10- fresh air system；The new blower of 100-；110- shell；The first air outlet of 112-；120- filter assemblies；130-
Air intake blower fan；140- air intake assembly；150- first enters the wind part；The first air inlet of 152-；The first block piece of 154-；160- second into
Wind part；The second air inlet of 162-；The second block piece of 164-；1642- baffle；1644- actuator；1646- driving member；1647-
One driving section；The second driving section 1648-；170- control unit；180- air-out component；182- outlet air shell；184- air-out blower fan；
The second air outlet of 186-；190- heating member；200- mounting rack.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be understood that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put or those skilled in the art usually understand
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified sets
Standby or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply
Relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Embodiment one
Referring to Fig. 1, present embodiments providing a kind of new blower 100, new blower 100 provided in this embodiment be can reduce
Energy consumption, save the cost.
New blower 100 provided in this embodiment is used to provide fresh air for interior.
Fig. 1 and Fig. 2 is please referred to, in the present embodiment, new blower 100 includes shell 110, filter assemblies 120, air intake blower fan
130 and air intake assembly 140, filter assemblies 120 and air intake blower fan 130 be arranged in shell 110, air intake assembly 140 and shell
110 one end, air intake assembly 140 are provided with the first air inlet part 150 and the second air inlet part 160, are additionally provided with first on shell 110
Air outlet 112；
First air inlet part 150 for being selectively connected to outdoor, make outdoor unstrpped gas from the first air inlet part 150 into
Enter to shell 110；
Second air inlet part 160 for being selectively connected to indoor, make indoor indoor gas from the second air inlet part 160 into
Enter to shell 110；
Filter assemblies 120 are used to for mixed gas being filtered into fresh air gas, and drain into interior by the first air outlet 112,
Wherein, mixed gas by unstrpped gas and or indoor gas formed.
In the present embodiment, mixed gas can be formed by any one in unstrpped gas or indoor gas, can also be with
There is unstrpped gas and indoor gas two are collectively formed.
In the present embodiment, the first air inlet part 150 is optionally connected to outdoor, and the second air inlet part 160 is alternative
Ground and indoor connection can make unstrpped gas or enter in shell 110 with indoor gas when air intake blower fan 130 works,
Mixed gas is filtered into fresh air gas by filter assemblies 120.In the present embodiment, air intake blower fan 130 can lead to indoor gas
It crosses filter assemblies 120 to filter again, forms fresh air gas, can reduce energy consumption, save the cost.
In the present embodiment, new blower 100 can be set in parlor, also can be set in bedroom, when new blower 100 is arranged
Wherein when a bedroom, the bedroom connection that the first air outlet 112 is adjacent with another can be made, thus real by connecing short tube
The supply of the fresh air gas in existing multiple rooms.
Referring to Fig. 3, new blower 100 further includes control unit 170, control unit 170 and the first air inlet part 150 and second
Part 160 is entered the wind to connect；
Control unit 170 be used to receive control first after the gas parameter of the indoor gas detected enter the wind part 150 and or
Second air inlet part 160 is opened, wherein gas parameter characterizes indoor air quality.
In the present embodiment, gas parameter can indicate the concentration of carbon dioxide in room air, can also indicate indoor
PM2.5 value in air.
First air inlet part 150 and or second air inlet part 160 open indicate can be only first air inlet part 150 open or
Only second air inlet part 160 is opened, and is also possible to the first air inlet part 150 and the second air inlet part 160 opens simultaneously.
In the present embodiment, control unit 170 can be according to the concentration or PM2.5 value control of the carbon dioxide of room air
System first air inlet part 150 and or second air inlet part 160 open.
In the present embodiment, control unit 170 is used to receive control the second air inlet part 160 after the gas parameter detected
Opening degree and first air inlet part 150 open or close so that the gas parameter of indoor gas be no more than parameter preset.
In the present embodiment, after control unit 170 receives gas parameter, can be adjusted according to gas parameter first into
Wind part 150 turns on or off, while adjusting the opening degree of the second air inlet part 160.
When the concentration of the carbon dioxide of room air or the excessive concentration of PM2.5, the first air inlet part 150 can be opened
Opening, simultaneously closes off the second air inlet part 160, mixing air at this time is made of unstrpped gas.
When the concentration of PM2.5 or carbon dioxide is higher, the opening of the first air inlet part 150 can be opened, while adjusting the
The opening degree of two air inlet parts 160 adjusts the openings of sizes of the second air inlet part 160, makes through the filtered fresh air of filter assemblies 120
The gas parameter of gas is no more than parameter preset, and mixing air at this time is collectively constituted by unstrpped gas and indoor gas.
When the concentration of carbon dioxide or the concentration of PM2.5 are lower than respective preset parameter value, can close first into
The opening of wind part 150 opens the second air inlet part 160, and adjusts the opening degree of the second air inlet part 160, mixed gas at this time by
Indoor gas composition.
Referring to Fig. 4, in the present embodiment, the first air inlet part 150 includes the first air inlet 152 and the first block piece 154,
First air inlet 152 and the first block piece 154 are arranged in air intake assembly 140；
Control unit 170 is connect with the first block piece 154, for sending the first instruction after receiving gas parameter, is made
First block piece 154 opens or closes the first air inlet 152.
In the present embodiment, the first block piece 154 can be rotated relative to the first air inlet 152, beat the first air inlet 152
On or off is closed.
Fig. 4 and Fig. 5 is please referred to, in the present embodiment, the second air inlet part 160 includes that the second air inlet 162 and second are blocked
Part 164, the second air inlet 162 and the second block piece 164 are arranged in air intake assembly 140；
Control unit 170 is connect with the second block piece 164, for sending the second instruction after receiving gas parameter, is made
Second block piece 164 movement, to adjust the opening degree of the second air inlet 162.
In the present embodiment, after the second block piece 164 receives the second instruction, the second block piece 164 is moveable to mesh
Cursor position makes the gas concentration of fresh air gas be less than parameter preset to adjust the opening degree of the second air inlet 162.
In the present embodiment, the second block piece 164 includes baffle 1642, actuator 1644 and driving member 1646, baffle
1642 and second air inlet 162 cooperate, actuator 1644 is connect by driving member 1646 with baffle 1642, and actuator 1644 is connecing
Receive drives baffle 1642 to move to target position after the second instruction by driving member 1646, to adjust the second air inlet 162
Opening degree.
In the present embodiment, after actuator 1644 receives the second instruction, by driving driving member 1646 to make baffle
1642 move to target position.
In the present embodiment, driving member 1646 includes the first driving section 1647 and multiple second driving sections 1648, actuator
1644 are connect by the first driving section 1647 with baffle 1642, and multiple second driving sections 1648 are equably arranged the two of baffle 1642
Side, and cooperate with air intake assembly 140；
When actuator 1644 is by driving the first driving section 1647 that baffle 1642 is made to move to target position, the second transmission
Portion 1648 is rotated relative to air intake assembly 140.
In the present embodiment, after actuator 1644 receives the second instruction, baffle is driven by the first driving section 1647
1642 movements, the second driving section 1648 can rotationally be moved relative to air intake assembly 140.Make baffle 1642 relative to air inlet group
During part 140 is mobile, frictional resistance can be reduced.
In the present embodiment, the first driving section 1647 includes gear and rack gear.Gear is connect with actuator 1644, rack gear with
Baffle 1642 connects, and transmission is realized in rack and pinion engagement.
In the present embodiment, the second driving section 1648 is four, and four running parts are two groups, and are arranged in baffle 1642
Two sides, the driving section of two sides is symmetrical arranged two-by-two.
In the present embodiment, new blower 100 further includes air-out component 180, and air-out component 180 and air intake assembly 140 are separate
The side of shell 110 connects, and air-out component 180 is used to indoor gas being expelled to outdoor, balances indoor pressure.Air-out component
180 can be discharged indoor foul atmosphere, increase air mobilization dynamic, accelerate indoor air purification.
In the present embodiment, when the amount of entering of fresh air gas is greater than into room air in shell 110, in order to flat
The pressure of weighing apparatus room air, can be discharged suitable room air by air-out component 180.
Referring to Fig. 6, in the present embodiment, air-out component 180 includes outlet air shell 182 and air-out blower fan 184, out the crust of weathering
The second air outlet 186 is provided in the one side wall of body 182, air-out blower fan 184 is arranged on another side wall of outlet air shell 182,
Air-out blower fan 184 is used for indoor gas from the second air outlet 186 to outdoor.
Referring to Fig. 7, in the present embodiment, new blower 100 further includes heating member 190, heating member 190 is arranged in air outlet
Place, can heat fresh air gas, preheat fresh air gas before discharging into interior, and room temperature can be made to stablize.
In conclusion new blower 100 provided in this embodiment, in the present embodiment, the first air inlet part 150 is optionally
It is connected to outdoor, the second air inlet part 160 optionally can make unstripped gas when air intake blower fan 130 works with indoor connection
Body or and indoor gas enter in shell 110, mixed gas is filtered into fresh air gas by filter assemblies 120.In the present embodiment
In, air intake blower fan 130 can filter indoor gas by filter assemblies 120 again, form fresh air gas, can reduce energy
Consumption, save the cost.
Embodiment two
Referring to Fig. 8, present embodiments providing a kind of fresh air system 10, fresh air system 10 provided in this embodiment can drop
Low energy consumption, save the cost.
In order to briefly describe, the present embodiment does not refer to place, can refer to embodiment one.
In the present embodiment, fresh air gas includes mounting rack 200 and the new blower 100 that embodiment one provides, mounting rack 200
For connecting with mounting structure, new blower 100 is arranged in mounting rack 200 for lifting new blower 100.
In the present embodiment, mounting structure can be indoor wall, be also possible to other fixed structures.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of new blower, for providing fresh air gas for interior, which is characterized in that including shell, filter assemblies, air intake blower fan
And air intake assembly, the filter assemblies and the air intake blower fan are arranged in the shell, the air intake assembly and the shell
One end of body, the air intake assembly are provided with the first air inlet part and the second air inlet part, are additionally provided with the first outlet air on the shell
Mouthful；
The first air inlet part enters outdoor unstrpped gas from the first air inlet part for being selectively connected to outdoor
In to the shell；
The second air inlet part enters indoor indoor gas from the second air inlet part for being selectively connected to indoor
In to the shell；
The filter assemblies are used to mixed gas being filtered into the fresh air gas, and drain into room by first air outlet
It is interior, wherein the mixed gas by the unstrpped gas and or the indoor gas formed.
2. new blower according to claim 1, which is characterized in that the new blower further includes control unit, the control
Unit is connect with the first air inlet part and the second air inlet part；
Described control unit be used to receive after the gas parameter of the indoor gas detected control described first enter the wind part and
Or the second air inlet part is opened, wherein the gas parameter characterizes indoor air quality.
3. new blower according to claim 2, which is characterized in that described control unit for receive detect it is described
The opening degree and the first air inlet part that the second air inlet part is controlled after gas parameter open or close, so that the Indoor Air
The gas parameter of body is no more than parameter preset.
4. new blower according to claim 3, which is characterized in that the second air inlet part includes the second air inlet and second
Block piece, second air inlet and second block piece are arranged in the air intake assembly；
Described control unit is connect with second block piece, for sending the second instruction after receiving the gas parameter,
Move second block piece, to adjust the opening degree of second air inlet.
5. new blower according to claim 4, which is characterized in that second block piece includes baffle, actuator and biography
Moving part, the baffle and second air inlet cooperate, and the actuator is connect by the driving member with the baffle, described
Actuator drives the baffle to move to target position after receiving second instruction by the driving member, to adjust
The opening degree of second air inlet.
6. new blower according to claim 5, which is characterized in that the driving member includes the first driving section and multiple second
Driving section, the actuator are connect by first driving section with the baffle, and multiple second driving sections are equably set
The two sides of the baffle are set, and are cooperated with the air intake assembly；
When the actuator is by driving first driving section that the baffle is made to move to the target position, described second
Driving section is rotated relative to the air intake assembly.
7. new blower according to claim 2, which is characterized in that the first air inlet part includes the first air inlet and first
Block piece, first air inlet and first block piece are arranged in the air intake assembly；
Described control unit is connect with first block piece, for sending the first instruction after receiving the gas parameter,
First block piece is set to open or close first air inlet.
8. new blower according to claim 1, which is characterized in that the new blower further includes air-out component, the outlet air
Component is connect with the air intake assembly far from the side of the shell, and the air-out component is for the indoor gas to be expelled to
Outdoor balances indoor pressure.
9. new blower according to claim 8, which is characterized in that the air-out component includes outlet air shell and outlet air wind
Machine is provided with the second air outlet in the one side wall of the outlet air shell, and the another of the outlet air shell is arranged in the air-out blower fan
In one side wall, the air-out blower fan is used for the indoor gas from second air outlet to outdoor.
10. a kind of fresh air system, which is characterized in that including the described in any item new blowers of such as claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821548805.XU CN208901561U (en) | 2018-09-20 | 2018-09-20 | A kind of new blower and fresh air system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821548805.XU CN208901561U (en) | 2018-09-20 | 2018-09-20 | A kind of new blower and fresh air system |
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| Publication Number | Publication Date |
|---|---|
| CN208901561U true CN208901561U (en) | 2019-05-24 |
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| CN201821548805.XU Active CN208901561U (en) | 2018-09-20 | 2018-09-20 | A kind of new blower and fresh air system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307343A (en) * | 2018-09-20 | 2019-02-05 | 成都明日蔚蓝科技有限公司 | A kind of new blower and fresh air system |
-
2018
- 2018-09-20 CN CN201821548805.XU patent/CN208901561U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307343A (en) * | 2018-09-20 | 2019-02-05 | 成都明日蔚蓝科技有限公司 | A kind of new blower and fresh air system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Fresh air fan and fresh air system Effective date of registration: 20210824 Granted publication date: 20190524 Pledgee: Bank of Chengdu science and technology branch of Limited by Share Ltd. Pledgor: CHENGDU FUTURE WEISDOM TECHNOLOGY Co.,Ltd. Registration number: Y2021510000194 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |