CN206247564U - A kind of air handling system for the control device of VMC and containing it - Google Patents
A kind of air handling system for the control device of VMC and containing it Download PDFInfo
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- CN206247564U CN206247564U CN201620974102.8U CN201620974102U CN206247564U CN 206247564 U CN206247564 U CN 206247564U CN 201620974102 U CN201620974102 U CN 201620974102U CN 206247564 U CN206247564 U CN 206247564U
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Abstract
The utility model is related to air cleaning unit technical field, specifically related to a kind of air handling system for the control device of VMC and containing it, including housing and the master control borad being connected in housing, microprocessor and wireless communication apparatus are connected with master control borad, environment measuring plate and power board are also associated with housing, ambient parameter detection components are connected with the environment measuring plate, Power Supply Assembly and relay are connected with power board, wireless communication apparatus described in ambient parameter detection components, ambient parameter detection components and relay are connected with controller respectively.The utility model control device reasonable in design, integration degree is higher, directly panel thereafter can be embedded in the middle of other box bodys and used, for example the box of standard 86, and installation is simple, while being easy to the later stage to clear up and safeguard.Control device of the present utility model and air handling system intelligence degree are higher, accurate to obtain indoor environment information, there is provided purification, the blowing control being more suitable for.
Description
Technical field
The utility model is related to air cleaning unit technical field, and in particular to a kind of control device for VMC
And the air handling system containing it.
Background technology
With China's expanding economy, the raising of Living consumption, the health problem that environmental pollution is brought is increasingly
It is valued by the people.Under this situation, VMC is used by more real estate developers and family.VMC energy
Enough that the outdoor fresh air after purification actively is imported into interior, discharge is organic due to the volatility of indoor furniture Building Material House release
Carbon dioxide of thing, the pernicious gas produced during culinary cuisine and human breathing discharge etc..So VMC is to improve room
Interior air quality, realizes that room ventilation is taken a breath effective method, protecting the health, dust-proof noise control, improves the comfortable of life
Property is at the same time it can also reducing energy consumption.
VMC carries out start and stop, wind speed etc. and controls by control panel.Traditional VMC controller generally only
It is directly to operate to carry out the control of VMC by user, does not have intelligent automatic control.User is mostly root
According to itself feeling to carry out start and stop VMC, so that VMC cannot maximal efficiency play a role.Or user one is headed straight for
Open VMC, even if IAQ is good, or in family nobody when also do not close VMC, it is unnecessary to cause
Energy waste.In order to solve the technical problem, prior art provides corresponding improved technology, such as Application No.
201521116492.7 utility model patent, discloses a kind of room air monitoring regulating system, including：CO2Detector, wind
Machine control end, VMC, background server and computer/mobile phone terminal, CO2Detector and router wireless telecommunications, and
By CO2The information transfer that detector is detected obtains information to background server, computer/mobile phone terminal from background server
Checked；CO2Detector also with the wireless telecommunications of air-blower control end, air-blower control end and VMC wired connection.The practicality
It is new to be capable of the gas concentration lwevel of monitor in real time room air, and automatically control the switch of VMC.When room air two
When carbonoxide is exceeded, its information is radioed into air-blower control end, and it is automatically controlled, can be with real-time control room air
It is excellent.
But for the VMC of current improved intelligentized control method, its intelligence degree still has much room for improvement, above-mentioned dress
Put for detecting that detection parameter is single during IAQ, it is impossible to which more scientific and reasonable is new to control based on indoor situations
Wind system corresponding operating, unitary function.And it is not high for the control device integration degree for VMC in the prior art,
When installing and using, convenience is relatively low, it is impossible to meet domestic consumer for VMC strong demand attractive in appearance.
As can be seen here, deficiency of the prior art can be based on, there is provided a kind of control device for VMC, makes it
With intelligent automatic control function, effectively, science and intelligentized control method reasonably is carried out for VMC, improve it and use
Efficiency, reduces unnecessary energy waste, and improved control device integration degree is high, is easily installed and uses.As ability
Field technique personnel technical barrier urgently to be resolved hurrily.
Utility model content
The utility model is in order to solve the above-mentioned technical problem, there is provided a kind of for the control device of VMC and containing it
Air handling system, the control device structure that improvement is used for VMC in the prior art makes its intelligence degree more preferably,
Automated condtrol can be carried out for VMC, while service efficiency is increased, reduce unnecessary energy waste.
In order to reach above-mentioned technique effect, the utility model includes following technical scheme：
A kind of control device for VMC, including housing and the master control borad being connected in housing, the master control borad
On be connected with microprocessor and wireless communication apparatus, environment measuring plate and power board are also associated with the housing, it is described
Ambient parameter detection components are connected with environment measuring plate, Power Supply Assembly and relay, institute are connected with the power board
State microprocessor, wireless communication apparatus, ambient parameter detection components and relay to be connected with Power Supply Assembly, the wireless telecommunications
Device, ambient parameter detection components and relay are connected with controller respectively.
The control device reasonable in design that the utility model is provided, by each component of reasonable layout, makes each part high
Degree becomes one so that installation is simple, also allows for the maintenance in later stage.Meet current user to be examined for indoor electric appliance outward appearance
Beautiful and demand.
Further, display screen is also associated with described master control borad, opening, the display screen is provided with the housing
At the opening, the environment ginseng that the display screen is connected with microprocessor and is obtained for display environment parameter detecting component
Number information.
Display screen can show VMC running status and current indoor air quality, and the setting of display screen can make user
It is very clear for current indoor air quality and VMC running status, based on the content of reality, directly to fresh air system
System is regulated and controled, and improves user experience and convenience.
Further, the housing includes front panel and rear board, sets the opening on the front panel, it is described before
Control button is connected with panel, the control button is connected with microprocessor, and the display screen is additionally operable to display control button
The control information being input into, the microprocessor receives the control information, and by the control information through treatment generation control
Signal is sent to VMC.
Multiple control buttons, there is provided switch, pattern, blast velocity control and the parameter setting of VMC are carried out to user.
The running status of VMC can be further controlled according to control button, operation more facilitates, while front panel and rear board
It is separately positioned to improve install convenient, while being easy to later maintenance.
Further, the front panel is detachably connected with rear board.
When control device is out of order, the connected mode being detachably connected can make front panel be separated with rear board, according to
It is secondary to be checked and repaired for each component, greatly improve the convenient degree of the utility model device maintenance.
Further, the front panel, master control borad, environment measuring plate, power board and rear board are sequentially connected, described
Rear board on be formed with depressed part, the Power Supply Assembly and relay on the power board are placed in depressed part.
At this structure be designed to the utility model control device is directly embedded into the middle of the common box body in market so that
Installation is simpler, while being easy to the maintenance in later stage.
Further, the wireless communication apparatus are WIFI chips, and the microprocessor is single-chip microcomputer.
WIFI chips may be connected to wireless router, realize the data interaction of controller and remote handset APP applications.Micro- place
Reason device is processed the data such as ambient parameter detection components, control button operation as the core of whole control device, may be used also
The parts such as display screen, the data transmit-receive of WIFI chips, relay are controlled.
Further, the ambient parameter detection components include Temperature Humidity Sensor, PM2.5 sensors and TVOC sensing
Device, the ambient parameter detection components obtain ambient parameter information, and the ambient parameter information is sent to microprocessor, institute
State microprocessor and control signal is generated according to the ambient parameter information for receiving, and the control signal is sent to relay, it is described
The opening and closing of Control VMC.
Wherein Temperature Humidity Sensor, PM2.5 sensors and TVOC sensors can respectively obtain the humiture of room air
Numerical value, PM2.5 numerical value and TOVC numerical value, scientific and reasonable judgement IAQ, microprocessor will connect
The humiture numerical value of receipts, PM2.5 numerical value and TOVC numerical information are processed and analyzed, and generative science is closed
The control signal of reason is to VMC, so that the effectively function mode of the control VMC of intelligence, the indoor sky of moment guarantee
Makings amount more high-quality.
Further, the ambient parameter detection components also include carbon dioxide sensor.
Carbon dioxide sensor obtains carbon dioxide information in room air, and the carbon dioxide information is sent to micro-
Processor, by increasing the detection of gas concentration lwevel numerical value, further improves the accuracy of indoor air quality monitoring, there is provided
For the control effect of VMC.
Further, described Power Supply Assembly includes transformer and binding post, and the output end of the binding post passes through
Blower fan of the cable respectively with power supply and VMC is connected, the microprocessor, wireless communication apparatus, ambient parameter detection components
Transformer being passed sequentially through with relay and binding post being connected with power supply, the relay passes through binding post and VMC
Blower fan connection.
Power supply is delivered to each component in the utility model device by Power Supply Assembly, is in the utility model device
Each component provide power supply, while making relay be connected with VMC by Power Supply Assembly, reasonable in design at this has
Whether effect Based Intelligent Control VMC is powered operation.
A kind of air handling system, including control device, VMC, server and the terminal device being sequentially connected, its
It is characterised by, the control device is above-mentioned control device, and the VMC is connected with the relay of control device, described
The opening and closing of Control VMC, the control device is connected by WIFI chips with server, specifically, institute
State WIFI chips and be connected to wireless router, then rely on broadband network to be connected with server.
Further, the terminal device is mobile phone or computer.
It is further preferred that the terminal device is mobile phone.
Using above-mentioned technical proposal, including following beneficial effect：It is a kind of for VMC that the utility model is provided
Control device and the fresh air air handling system containing it, wherein control device reasonable in design, integration degree are higher, can
Directly panel will be embedded in the middle of other box bodys and use thereafter, such as box of standard 86, installation will be simple, while being easy to the later stage to clear up
And maintenance.Control device of the present utility model and the ambient parameter acquired in air handling system are more scientific and reasonable simultaneously, enter
One step efficiently generates the control information of science, blower fan start and stop, wind speed, cleaning equipment start and stop etc. can be carried out by mobile phone A PP
Remote control operation, makes it compare existing VMC, and intelligence degree is higher, accurate to obtain indoor environment information, conveniently
User uses, and improves service efficiency, is effectively indoor be more suitable for net of providing while the unnecessary wasting of resources can be reduced more
Change, blowing is controlled.
Brief description of the drawings
Fig. 1 is a kind of configuration schematic diagram of the utility model control device；
Fig. 2 is the utility model control device another kind configuration schematic diagram；
Fig. 3 is the utility model air handling system structural representation；
In figure,
1st, housing；11st, front panel；111st, control button；12nd, rear board；121st, depressed part；2nd, master control borad；21st, microprocessor
Device；22nd, wireless communication apparatus；23rd, display screen；3rd, environment measuring plate；31st, ambient parameter detection components；311st, temperature and humidity sensing
Device；312nd, PM2.5 sensors；313rd, TVOC sensors；4th, power board；41st, Power Supply Assembly；411st, transformer；412nd, connect
Line terminals；42nd, relay；5th, control device；6th, server；7th, terminal device.
Specific embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, implement below in conjunction with the utility model
Accompanying drawing in example, is clearly and completely described, it is clear that described reality to the technical scheme in the utility model embodiment
It is a part of embodiment of the utility model to apply example, rather than whole embodiments.Based on the embodiment in the utility model, ability
The every other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality new
The scope of type protection.
In the utility model, term " on ", D score, "left", "right", "front", "rear", " top ", " bottom ", " interior ", " outward ",
" in ", " vertical ", " level ", " transverse direction ", the orientation of the instruction such as " longitudinal direction " or position relationship be based on orientation shown in the drawings or
Position relationship.These terms are not intended to limit indicated primarily to preferably describe the utility model and embodiment
Device, element or part must have particular orientation, or be constructed and operated with particular orientation.
Also, above-mentioned part term is in addition to it can be used to indicate that orientation or position relationship, it is also possible to for representing it
His implication, such as term " on " also be likely used for representing certain relations of dependence or annexation in some cases.For ability
For the those of ordinary skill of domain, concrete meaning of these terms in the utility model can be as the case may be understood.
Additionally, term " installation ", " setting ", " being provided with ", " connection ", " connected " " socket " should be interpreted broadly.For example, can
To be to be fixedly connected, it is detachably connected, or monolithic construction；Can mechanically connect, or electrical connection；Can be joined directly together,
Or be indirectly connected to by intermediary, or be two connections internal between device, element or part.It is right
For those of ordinary skill in the art, above-mentioned term specifically containing in the utility model can be as the case may be understood
Justice.
Unless otherwise indicated, the implication of " multiple " is two or more.
The utility model is described in further detail below by specific embodiment and with reference to accompanying drawing.
VMC wherein described in the utility model patent, by fresh air ventilator and conduit fittings constitute it is a set of
Outdoor live gas by filtering, purification, is pipelined to interior by independent air processing system, fresh air ventilator.Newly
Wind system is to send fresh air to interior according in closed indoor side special equipment, then from opposite side from special equipment to outdoor
Discharge, " fresh air field of flow " can be formed indoors, so as to meet indoor fresh air ventilating the need for.Embodiment is：Using wind high
Pressure, big flow blower fan, by mechanical strength by a lateral interior air-supply, from opposite side with the exhaust fan of special design to outdoor
The mode of discharge forces the formation fresh air field of flow in system.The air that gets in entered while air-supply filtering, the poison that goes out,
Sterilization, oxygenation, preheating (winter).Due to the VMC disclosed in VMC described in the utility model and prior art
Structure is identical, is repeated no more based on its concrete structure, and those skilled in the art are based on the utility model content and prior art energy
Enough get the architectural feature of VMC and the architectural feature of air handling system described in the utility model.
Embodiment：
The present embodiment provides a kind of control device for VMC, including housing 1 and the master control being connected in housing
Plate 2, is connected with microprocessor 21 and wireless communication apparatus 22 on the master control borad, environment measuring plate is also associated with the housing
3 and power board 4, ambient parameter detection components 31 are connected with the environment measuring plate, connected on the power board
Have Power Supply Assembly 41 and a relay 42, the microprocessor, wireless communication apparatus, ambient parameter detection components and relay with
Power Supply Assembly connect, wireless communication apparatus, ambient parameter detection components and relay described in ambient parameter detection components respectively with
Controller is connected.
When in use, first pass through Power Supply Assembly and provide power supply to individual component respectively, while Power Supply Assembly and VMC
It is connected.The utility model control device includes automatic mode and distance control mode, is obtained in real time by environment measuring component
Indoor air quality information, and the air quality information of acquisition is sent to microprocessor, the microprocessor is directed to air
Quality information carries out data processing and analysis, while air quality information can be transmitted to terminal by wireless communication apparatus setting
It is standby upper.If user sets automatic mode, the microprocessor judges current city control quality condition excellent, good and differ from three
Which rank in individual grade, corresponding control information is sent to relay according to class information, Control VMC
Fan switch start and stop, wind speed, purifier start and stop etc. are acted.When grade is " excellent ", the blower fan low speed fortune of VMC is controlled
OK；When grade for " in " when, control VMC blower fan middling speed operation；When grade is " poor ", the wind of VMC is controlled
Machine high-speed cruising.If user sets distance control mode, user also can be input into control information by terminal device, then terminal sets
It is standby that control information is sent to microprocessor by server, the microprocessor based on control information send a control signal to after
Electrical equipment, fan switch start and stop, wind speed, purifier start and stop of Control VMC etc. are acted.
In the present embodiment, further, display screen 23 is also associated with described master control borad, is provided with the housing
Opening, at the opening, the display screen is connected and for display environment parameter detecting the display location with microprocessor
The ambient parameter information that component is obtained.
Display screen 21 can show VMC running status and current indoor air quality, if user is in, directly lead to
Cross display screen and check current incity air quality.
It is further preferred that the display screen is LCDs.
In the present embodiment, further, the housing includes front panel 11 and rear board 12, is set on the front panel
The opening, is connected with control button 111 on the front panel, the control button is connected with microprocessor, the display screen
It is additionally operable to the control information that display control button is input into, the microprocessor receives the control information, and by the control
Information is sent to VMC through treatment generation control signal.
Control device of the present utility model also includes timing mode and manual mode, if user does not carry out Based Intelligent Control, needs
Setting timing mode and manual mode, then the information content that user can be shown by display screen, while operational control button, to new
Wind system is controlled.As client chooses timing mode, then opened according to the opening and closing time that user is previously set
Stop control.
In the present embodiment, further, the front panel is detachably connected with rear board.
When needing that the component in control device is detected and repaired, it is by front panel and rear board dismounting directly
Can.
In the present embodiment, further, the front panel, master control borad, environment measuring plate, power board and rear board
It is sequentially connected, depressed part 121 is formed with described rear board, the Power Supply Assembly and relay on the power board is put
In in depressed part.
When control device of the present utility model is installed, the rear board of control device is directly embedded in market normal
In the middle of the box body seen, installation is simple, also allows for later maintenance.Wherein box body can be 86 boxes etc., but be not limited to such
Flask body.
In the present embodiment, further, the wireless communication apparatus are WIFI chips, and the microprocessor is monolithic
Machine.
WIFI chips can be such that the utility model control device is attached with indoor wireless router, and router connection is wide
, in real time be uploaded to for VMC current operating conditions and all kinds of air quality parameters by internet be deployed in interconnection by band network
Proprietary server in net.And user only need to install special APP the applications, (2/3/4G/ in the case of phone network in mobile phone
WIFI), data are obtained from proprietary server automatically after opening APP, user can check the Xingfeng capsule face bound under the account
The operational factor and IAQ parameter of plate.Using this APP can also the new blower fan of remote switch, adjust blower fan wind speed, more
Change the control operations such as operational mode, after user is controlled, APP sends control information to proprietary server, and server again will
Control command is issued to Xingfeng capsule panel, so as to perform the control command to blower fan.
In the present embodiment, further, the ambient parameter detection components are passed including Temperature Humidity Sensor 311, PM2.5
Sensor 312 and TVOC sensors 313, the ambient parameter detection components obtain ambient parameter information, and by the ambient parameter
Information is sent to microprocessor, and the microprocessor generates control signal according to the ambient parameter information for receiving, and this is controlled
Signal is sent to relay, the opening and closing of the Control VMC.
Temperature Humidity Sensor 311, PM2.5 sensors 312 and TVOC sensors 313, can gather humiture, TVOC,
The parameters such as PM2.5, are easy to the more accurate comprehensively understanding current indoor air quality of user.
In the present embodiment, further, the ambient parameter detection components also include carbon dioxide sensor.
Gas concentration lwevel information is further obtained, to control quality in further Control Room.
In the present embodiment, further, described Power Supply Assembly includes transformer 411 and binding post 412, described
The output end of binding post is connected by blower fan of the cable respectively with power supply and VMC, the microprocessor, wireless telecommunications
Device, ambient parameter detection components and relay pass sequentially through transformer and binding post is connected with power supply, the relay
It is connected with the blower fan of VMC by binding post.
Electric main is switched to direct current by transformer, is that each parts is powered in control device, and control relay is used for
Control VMC, controls including fan switch start and stop, wind speed, purifier start and stop etc., and binding post draws cable and civil power
And fresh-air fan connection, including power supply and controlling cable.
The present embodiment also provides a kind of air handling system, including control device 5, VMC, the service being sequentially connected
Device 6 and terminal device 7, the control device are above-mentioned control device, and the VMC connects with the relay of control device
Connect, the opening and closing of the Control VMC, the control device is connected by WIFI chips with server.
It is as follows that the control device carries out principle when remote handset APP is controlled to VMC：
WIFI chips in control device are attached with indoor wireless router, router connection broadband network, pass through
Internet VMC current operating conditions and all kinds of air quality parameters are uploaded in real time be deployed in it is proprietary in internet
Server.And user only need to install special APP applications in mobile phone, in the case of phone network (2/3/4G/WIFI), open
Automatic after APP to obtain data from proprietary server, user can check the operation ginseng of the Xingfeng capsule panel bound under the account
Number and IAQ parameter.Can also the new blower fan of remote switch, adjustment blower fan wind speed, change operational mode using this APP
Etc. control operation, after user is controlled, APP sends control information to proprietary server, and server is again by under control command
Xingfeng capsule panel is sent to, so as to perform the control command to blower fan
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of control device for VMC, including housing (1) and the master control borad (2) being connected in housing, the master
Microprocessor (21) and wireless communication apparatus (22) are connected with control plate, it is characterised in that be also associated with environment in the housing
Detection plate (3) and power board (4), are connected with ambient parameter detection components (31), the power supply on the environment measuring plate
Power Supply Assembly (41) and relay (42), the microprocessor, wireless communication apparatus, ambient parameter detection are connected with control panel
Component and relay are connected with Power Supply Assembly, the wireless communication apparatus, ambient parameter detection components and relay respectively with
Controller is connected.
2. the control device for VMC according to claim 1, it is characterised in that also connect on described master control borad
Be connected to display screen (23), opening be provided with the housing, the display location at the opening, the display screen and Wei Chu
The connection of reason device and the ambient parameter information obtained for display environment parameter detecting component.
3. the control device for VMC according to claim 2, it is characterised in that the housing includes front panel
(11) and rear board (12), the opening is set on the front panel, control button (111), institute is connected with the front panel
State control button to be connected with microprocessor, the display screen is additionally operable to the control information that display control button is input into, described micro-
Processor receives the control information, and the control information is sent to VMC through treatment generation control signal.
4. the control device for VMC according to claim 3, it is characterised in that the front panel and rear board
It is detachably connected.
5. the control device for VMC according to claim 3, it is characterised in that the front panel, master control borad,
Environment measuring plate, power board and rear board are sequentially connected, and depressed part (121), the electricity are formed with described rear board
Power Supply Assembly and relay on the control panel of source are placed in depressed part.
6. the control device for VMC according to claim 1, it is characterised in that the wireless communication apparatus are
WIFI chips, the microprocessor is single-chip microcomputer.
7. the control device for VMC according to claim 1, it is characterised in that the ambient parameter detection group
Part includes Temperature Humidity Sensor (311), PM2.5 sensors (312) and TVOC sensors (313), the ambient parameter detection group
Part obtains ambient parameter information, and the ambient parameter information is sent to microprocessor, and the microprocessor is according to reception
Ambient parameter information generates control signal, and the control signal is sent to relay.
8. the control device for VMC according to claim 7, it is characterised in that the ambient parameter detection group
Part also includes carbon dioxide sensor.
9. the control device for VMC according to claim 1, it is characterised in that described Power Supply Assembly includes
Transformer (411) and binding post (412), the microprocessor, wireless communication apparatus, ambient parameter detection components and relay
Pass sequentially through transformer and binding post is connected with power supply, the relay is connected by binding post with the blower fan of VMC
Connect.
10. a kind of air handling system, including the control device (5), VMC, server (6) and the terminal that are sequentially connected set
Standby (7), it is characterised in that the control device is the control device described in any one of claim 1~9, the VMC
It is connected with the relay of control device, the opening and closing of the Control VMC, the control device passes through
WIFI chips are connected with server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620974102.8U CN206247564U (en) | 2016-08-29 | 2016-08-29 | A kind of air handling system for the control device of VMC and containing it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620974102.8U CN206247564U (en) | 2016-08-29 | 2016-08-29 | A kind of air handling system for the control device of VMC and containing it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206247564U true CN206247564U (en) | 2017-06-13 |
Family
ID=58999150
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620974102.8U Active CN206247564U (en) | 2016-08-29 | 2016-08-29 | A kind of air handling system for the control device of VMC and containing it |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218709A (en) * | 2017-07-21 | 2017-09-29 | 上海环可电子科技有限公司 | A kind of multifunctional new wind controller |
| CN109458721A (en) * | 2018-10-31 | 2019-03-12 | 大榕(上海)智能科技有限公司 | A kind of control device and its control method of fresh air system |
-
2016
- 2016-08-29 CN CN201620974102.8U patent/CN206247564U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218709A (en) * | 2017-07-21 | 2017-09-29 | 上海环可电子科技有限公司 | A kind of multifunctional new wind controller |
| CN107218709B (en) * | 2017-07-21 | 2021-01-05 | 上海环可电子科技有限公司 | Multifunctional fresh air controller |
| CN109458721A (en) * | 2018-10-31 | 2019-03-12 | 大榕(上海)智能科技有限公司 | A kind of control device and its control method of fresh air system |
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Effective date of registration: 20191125 Address after: 100190 402, 4th floor, South office building, Zhongke resources building, No. 6, South Third Street, Zhongguancun, Haidian District, Beijing Patentee after: Hummingbird innovation (Beijing) Technology Co., Ltd. Address before: 100000, room four, floor 2, 405 Jing Shu Yuan Road, Beijing, Haidian District Patentee before: Beijing Zhongzhi cloud way System Technology Co Ltd |