CN108195024A - Air curtain control system and control method - Google Patents
Air curtain control system and control method Download PDFInfo
- Publication number
- CN108195024A CN108195024A CN201810032569.4A CN201810032569A CN108195024A CN 108195024 A CN108195024 A CN 108195024A CN 201810032569 A CN201810032569 A CN 201810032569A CN 108195024 A CN108195024 A CN 108195024A
- Authority
- CN
- China
- Prior art keywords
- air curtain
- server
- information
- unit
- link block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
Abstract
The present invention relates to a kind of air curtain control system and control method, the air curtain control system includes air curtain module, server and link block；The air curtain module and server are connect with link block；The link block includes power supply, processor, communication unit and amplifying unit；The processor, communication unit and amplifying unit are connect with power supply；The communication unit is all connected with processor and amplifying unit；Setting time-sharing system in the processor；By time-sharing system by N number of connecting node parallel work-flow of link block, the operation includes data transmission, the detection of new equipment and access etc.；Wherein N is positive integer.Air curtain control system and control method of the present invention cause the portability of application program in processor using time-sharing system, and realize can multiple tasks the parallel functions such as perform, so that the upgrading of air curtain control system and expansion are more convenient, such as realize air curtain module plug and play etc..
Description
Technical field
The present invention relates to air curtain technical fields, and in particular to a kind of control system that can be applied to air curtain and the control
The method that system controls air curtain.
Background technology
Air curtain is also known as wind curtain machine, air curtain, air curtain machine, air lock, air gate.English name:air curtain、
airdoor.Air curtain is the airflow generated by the rotation of wind wheel, sends out certain speed and the tentiform air-flow of temperature, shape
The door curtain invisible into one side.Air curtain is usually mounted to market, theater, hotel, restaurant, conference hall, freezer, operating room and family
The occasions such as residence are entered and exited above doorway.Start air curtain, tentiform air-flow can both play out the indoor air partition with outdoor
People is convenient, and can prevent indoor and outdoor hot and cold air from exchanging, so as to keep indoor constant temperature, while can also blocks dust, elder brother
Worm get in and pernicious gas, the diffusion of peculiar smell.
Long-range monitoring air curtain can be realized by internet in the prior art, achievees the effect that intelligent control air curtain, mesh
Preceding gateway on the market most commonly WIFI gateways, the air curtain control system as described in application No. is CN201710284374.4
System, such system can allow all higher etc. variety of problems of power consumption.In order to realize low-power consumption, generally use WIFI module in the prior art
Bluetooth/infrared/ZIGBEE modules is coordinated to realize；But in existing system using WIFI module cooperation bluetooth/infrared/
ZIGBEE modules are still with its operational capability is weak, system expansion is poor, can not achieve the problems such as plug and play.
Invention content
To solve the above problems, the present invention provides a kind of good air curtain control system of expansion and air curtain control system
Control method, the air curtain control system can realize the effect of plug and play.
A kind of air curtain control system, including air curtain module, server and link block；The air curtain module and clothes
Business device is connect with link block by way of wirelessly or non-wirelessly；The link block includes power supply, processor, communication unit
And amplifying unit；The processor, communication unit and amplifying unit are connect with power supply；The communication unit and processor
And amplifying unit is all connected with；Setting time-sharing system in the processor；By time-sharing system by N number of connecting node of link block
Parallel work-flow, the operation include the detection and access of data transmission, new equipment；Wherein N is positive integer.
Preferably, the processor includes receiving unit, dispensing unit, connection unit and transmitting element；The time-division system
System is distributed in receiving unit, dispensing unit, connection unit and transmitting element；If the receiving unit and transmitting element respectively include
Dry connecting node；
The receiving unit is all connected with air curtain module, transmitting element, connection unit and dispensing unit, the receiving unit
For receiving the communication information between the network information, the identity information of air curtain module and air curtain module and server；
The dispensing unit is connect with connection unit, which is used for Configuration network information, and will be with the net postponed
Network information is sent to connection unit；
The connection unit is connect with server, which is used for according to the network information Connection Service postponed
Device；
The transmitting element is connect by connection unit with server, which is used for the identity information of processor
And the identity information of air curtain module is sent to server by connection unit.
Preferably, the communication unit includes wireless chip, first element and second element；At least one first element with
Wireless chip connects；At least one second element is connect with wireless chip；Part first element is connect with first element, part
One element is connect with second element, and part second element is connect with second element；The wireless chip is provided with to be connected with processor
The the first connection circuit connect and the second connection circuit being connect with amplifying unit.
Preferably, the first connection circuit is provided with first element；Second circuit be provided with first element and/or
Second element.
Preferably, the time-division system is linux system.
Preferably, which further includes mobile terminal, the mobile terminal and link block with wireless or
Wired mode connects；Mobile terminal receives the information of air curtain module and to air curtain module by link block and server
Send control information.
A kind of air curtain control method, includes the following steps：
Link block sends connection request to server, and is established and connected with server according to the link information of server feedback
It connects；
It establishes after connection, link block is according to self information in server registration；
Link block obtains several air curtain module informations according to time-division system, and respectively sends out the information of air curtain module
It send to server, connecting node is established between respectively each air curtain module and server；The connecting node is N number of, wherein N
For positive integer；
The time-division system of link block controls each connecting node to realize that multiple tasks are simultaneously between air curtain module and server
Row performs.
Preferably, the air curtain control method further includes following steps
The link block detects the information of air curtain module in real time, and judges whether that new air curtain module adds
Enter；
If there are the addition of new air curtain module, new module information is sent to server；
Server establishes new connecting node according to new module information；Realize that M node operates simultaneously.
Preferably, the link block sends connection request to server, and according to the link information of server feedback with
Server is established connection and is specifically comprised the following steps：
The receiving unit obtains the network information, and the network information is sent to dispensing unit；
The dispensing unit sends connection request according to the net information to server, and carrying out network by connection request matches
It puts；
Link block and server are established by the connection unit after network configuration completion and connected.
Preferably, connection request is sent to server in the link block, and according to the link information of server feedback
After establishing connection with server, following steps are further included：
The receiving unit obtains server and/or air curtain mould in real time after link block and server establish connection
The information that block is sent；
The information for the server for being received receiving unit by the transmitting element is sent to server and/or air curtain
Module；And the information of air curtain module that receiving unit receives is sent to server and/or air curtain module.
It is judged whether while the receiving unit obtains the information of air curtain module in real time by time-division system
New air curtain module needs are connect with link block；
If in the presence of the information of new air curtain module is sent to server and registered by receiving unit；
Receiving unit receives the log-on message to succeed in registration that server returns, and is passed through according to the log-on message described
Connection unit establishes new connecting node and connect new air curtain module with link block.
Beneficial effects of the present invention：
Compared with prior art, air curtain control system and control method of the present invention are caused using time-sharing system
The portability of application program and the expansibility of link block function in processor, so as to fulfill can the parallel of multiple tasks hold
Row so that air curtain control system upgrades and expands more convenient.So link block can ensure a plurality of network connection node
Parallel transmutation connection, and can also realize the detection and access of new air curtain module.When surrounding has new air curtain module to power on
When, link block can detect and establish a new connecting node by its access server in time, and realization air curtain module is
Plug-and-play etc..
Description of the drawings
Fig. 1 is a kind of air curtain control system schematic diagram in the embodiment of the present invention；
The partial circuit schematic diagram of a kind of link block in Fig. 2 the embodiment of the present invention；
Fig. 3 is the total air curtain control method flow chart always of the embodiment of the present invention.
Specific embodiment
In the following, with reference to attached drawing and specific embodiment, the present invention is described further：
With reference to Fig. 1 and Fig. 2, a kind of air curtain control system is provided in the embodiment of the present invention, including air curtain module 1,
Server 2 and link block 3.The air curtain module 1 and server 2 are with link block 3 by way of wirelessly or non-wirelessly
Connection.It can be realized by link block 3 and communicated between the air curtain module 1 and server 2.As a preferred option,
The link block 3 can be Internet of Things link block 3.The link block 3 is using ZigBee communication agreement and air curtain module 1
And server 2 communicates.The link block 3 includes power supply 30, processor 31, communication unit 32 and amplifying unit 33.It is described
Processor 31, communication unit 32 and amplifying unit 33 are connect with power supply 30.The power supply 30 can be used for for processor 31, lead to
Letter unit 32 and amplifying unit 33 are powered.The communication unit 32 is all connected with processor 31 and amplifying unit 33.
Setting time-sharing system in the processor 31.Preferably, the time-division system is linux system.Pass through
Time-sharing system by N number of connecting node parallel work-flow of link block 3, the operation include data transmission, new equipment detection and
Access etc..
The processor 31 is using RT5350 chips or the chip of similar functions.The processor 31 include receiving unit,
Dispensing unit, connection unit and transmitting element etc..The time-division system be distributed in or applied to receiving unit, dispensing unit,
Connection unit and transmitting element etc..The receiving unit and transmitting element respectively include several connecting nodes.Each connecting node point
It is not connected with corresponding air curtain module 1, since each air curtain module 1 of the effect of time-sharing system can communicate respectively at server 2.
Such as air curtain module 1A, while server 2 communicates, the receiving unit can also receive new air curtain module B letters
Breath, and the information of new air curtain module 1B is sent to server 2, new air curtain module 1B is completed in server 2
Registration realizes that new air curtain module 1B can plug and play.It is it should be noted that several to be N number of described in the present embodiment.It needs
It is noted that the embodiment of the present invention in institute air curtain module 1 information can be air curtain module 1 ID or other bodies
Part mark, the information of link block 3 can be the ID of processor 31 or other identity in link block 3.
The receiving unit is all connected with air curtain module 1, transmitting element, connection unit and dispensing unit, the reception list
Member is for receiving the communication letter between the network information, the identity information of air curtain module 1 and air curtain module 1 and server 2
Breath.Such as the receiving unit can use DHCP ((Dynamic Host Configuration Protocol, DynamicHost
Configuration protocol)) from head end router obtain the network information.The dispensing unit is connect with connection unit, which is used for
Configuration network information, and connection unit will be sent to the network information postponed.The connection unit is connect with server 2, should
Connection unit is used for according to the network information Connection Service device 2 postponed, it is established that one by air curtain module 1 to server 2
Connecting node.
The transmitting element is connect by connection unit with server 2, which is used for the identity of processor 31
The identity information of information and air curtain module 1 is sent to server 2 by connection unit.Certain transmitting element can be used to by
The data for the air curtain module 1 that receiving unit obtains are sent to the data of server 2 hair that server 2 and receiving unit obtain
It send to air curtain module 1.
The communication unit 32 includes wireless chip 321, first element 322 and second element 323.The wireless chip
321 are sent to the nothing of air curtain module 1 and reception from air curtain module 1 for packing the data to ZigBee wireless signal packets
Line signal data.At least one first element 322 is connect with wireless chip 321.At least one second element 323 and wireless chip
321 connections.Part first element 322 is connect with first element 322, and part first element 322 is connect with second element 323, portion
Point second element 323 is connect with second element 323.The wireless chip 321 is provided with the first connection being connect with processor 31
Circuit L1 and the second connection circuit L2 being connect with amplifying unit 33.It should be noted that the wireless chip 321 can be
CC2530 chips；First element 322 can be inductance；The second element 323 can be capacitance.
The first connection circuit is provided with first element 322.Second circuit be provided with first element 322 and/or
Second element 323.
The amplifying unit 33 includes amplification chip 331 and filter element 332, which is provided with and first
The connecting pin of connection.The filter element 332 is connected between amplification chip 331 and wireless chip 321.As preferred side
Case, the filter element 332 can be filter capacitor.The amplification chip 331 can be RFX2401c chips or other have put
The chip of big function.The amplifying unit 33 is for wireless signal to be amplified, so as to the coverage distance of spread radio communication so that
The air curtain module 1 of each connecting node can preferably communicate with server 2.
As another preferred embodiment, which further includes mobile terminal 4, and the mobile terminal 4 is with connecting
Connection module 3 connects in a wireless or wired way.Mobile terminal 4 receives air curtain module 1 by link block 3 and server 2
Information and to air curtain module 1 send control information.The mobile terminal 4 can be used for the operating of monitoring air curtain module, wind
It is fast, whether it is abnormal situations such as and started according to practical control air curtain module 1, closed and the operations such as air rate adjustment.It is described
Mobile terminal 4 can be at least one of mobile phone, tablet, intelligent glasses, smartwatch and remote controler etc..
With reference to Fig. 3, as another preferred embodiment, the present invention also provides a kind of air curtain control method, including walking as follows
Suddenly：
Step S01, link block 3 to server 2 send connection request, and according to server 2 feed back link information with
Server 2 establishes connection.Specific, the link block 3 can be established by wireless network or finite element network with server 2
Connection.
Step S01 specifically may include following sub-step：
The receiving unit obtains the network information, and the network information is sent to dispensing unit.The network information can be
Radio network information, as receiving unit can obtain the network information by WIFI.Certain receiving unit also can obtain net by cable
Network information.The dispensing unit sends connection request, and carry out network configuration according to the net information to server 2.In network
Link block 3 after completing by the connection unit with server 2 is established and connect by configuration.
Step S02 is established after connection, and link block 3 is registered according to self information in server 2.The self information
Can be the id information or other identification informations of link block 3.Server 2 is in the id information for receiving link block 3 to connection
Module 3 is registered.
Step S03, link block 3 obtain several air curtain module informations, and respectively by air curtain mould according to time-division system
The information of block 1 is sent to server 2, establishes connecting node between respectively each air curtain module 1 and server 2, controls to wind
Curtain machine module realizes that multiple tasks perform parallel between communicating with server 2 so that air curtain control system upgrades and expands equal
It is more convenient.The connecting node is N number of, and wherein N is positive integer.The time-division system of link block controls each connecting node to realize wind
Multiple tasks perform parallel between curtain machine module and server.Such as the receiving unit is receiving Connection Service device 2
When the data or information of air curtain module 1, while the data of server 2 or information can be sent to other wind by the sending module
Curtain machine module 1, and the receiving unit can also obtain the information that new air curtain module 1 accesses, the connection unit in real time
New air curtain module connection is come in so that air curtain module 1 arranges the function that simply, can realize plug and play.
As another preferred embodiment, air curtain control method of the present invention can also include the following steps：
Step S04, the link block 3 detect the information of air curtain module 1 in real time, and judge whether new air curtain
Machine module 1 adds in.Specifically can be by the information of receiving unit real-time reception air curtain module, and judge the air curtain module
Whether information has been registered in server 2, if unregistered, illustrates the air curtain module 1 for new air curtain module 1,
That air curtain module for needing this new is added in air curtain control system.
Step S05 to be added in if there are new air curtain modules 1, and the information of new air curtain module 1 is transmitted to by receiving unit
New module information is sent to server 2 by transmitting element by transmitting element.
Step S06, server 2 establish new connecting node according to new module information.Realize that m-th node operates simultaneously.
It should be noted that the above N and M is the positive integer less than or equal to 250, the M subtracts N more than or equal to 1.
It can also include the following steps after step S01：
Step S01 ', the receiving unit obtains server 2 in real time after link block 3 and server 2 establish connection
And/or the information or data that air curtain module 1 is sent.So that air curtain module 1 and server 2 are led to by link block 3
Letter.
The information of server 2 that receiving unit receives or data are sent to by step S02 ' by the transmitting element
Server 2 and/or air curtain module 1；And the information of air curtain module 1 that receiving unit receives or data are sent to service
Device 2 and/or air curtain module 1.Certainly, as another preferred embodiment, can also be connected by stating mobile terminal 4 with link block 3
It connects so that mobile terminal 4 can communicate with server 2 and air curtain module 1, realize and control air curtain module by mobile terminal 4
1, such as opening and the closing of air curtain module 1 can be controlled by mobile terminal 4, adjust air curtain module 1 operation range and
Air curtain module 1 is monitored with the presence or absence of abnormal conditions etc..
Step S03 ' is sentenced by time-division system while the receiving unit obtains the information of air curtain module 1 in real time
It is disconnected to be connect with the presence or absence of the new needs of air curtain module 1 with link block 3.Since time-division system may be such that multiple tasks are held parallel
Row, therefore in the colleague that chartered air curtain module 1 communicates with server 2, link block 3, which can also be performed simultaneously acquisition, is
No there are new air curtain modules 1, if performing step step S04 ' in the presence of if, realize the function of 1 plug and play of air curtain module,
Otherwise the information for detecting whether new air curtain module 1 is continued to execute.
Step S04 ', if in the presence of the information of new air curtain module 1 is sent to server 2 and registered by receiving unit.
Judging that there are the modes of new air curtain module 1 can be, by the ID of air curtain module 1 and the air curtain mould being stored in server 2
The ID of block 1 is compared, judge whether obtain air curtain module 1 ID whether the ID with the air curtain module 1 in server 2
Have it is identical, if not illustrating to there is new air curtain module 1 to add in.
Step S05 ', receiving unit receives the log-on message to succeed in registration that server 2 returns, and is believed according to the registration
Breath establishes new connecting node by the connection unit and connect new air curtain module 1 with link block 3.
Air curtain control system and control method of the present invention are utilized respectively the setting time-sharing system in processor 31
Ensure the portability of application program in processor 31 and the expansibility of 3 function of link block, so as to fulfill can be multiple
The parallel execution of business so that air curtain control system upgrades and expands more convenient.So link block 3 can ensure a plurality of net
The Parallel transmutation connection of network connecting node, and can also realize the detection and access of new air curtain module 1.When surrounding has new air curtain
When machine module 1 powers on, link block 3 can detect and establish a new connecting node by its access server 2, realization in time
1 plug and play of air curtain module.
It will be apparent to those skilled in the art that technical solution that can be as described above and design, make other various
Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention
Within.
It should be noted that：Embodiment described above is only the reality of part of the embodiment of the present invention rather than whole
Apply example.Embodiment and " one kind " of singulative used in the attached claims, " described " and "the" be also intended to including
Most forms, unless context clearly shows that other meanings.
Claims (10)
1. a kind of air curtain control system, including air curtain module, server and link block；The air curtain module and service
Device is connect with link block by way of wirelessly or non-wirelessly；It is characterized in that；The link block includes power supply, processing
Device, communication unit and amplifying unit；The processor, communication unit and amplifying unit are connect with power supply；The communication
Unit is all connected with processor and amplifying unit；Setting time-sharing system in the processor；By time-sharing system by link block
N number of connecting node parallel work-flow, the operation includes the detection and access of data transmission, new equipment；Wherein N is positive integer.
2. air curtain control system according to claim 1, which is characterized in that the processor includes receiving unit, matches
Put unit, connection unit and transmitting element；The time-division system is distributed in receiving unit, dispensing unit, connection unit and transmission
Unit；The receiving unit and transmitting element respectively include several connecting nodes；
The receiving unit is all connected with air curtain module, transmitting element, connection unit and dispensing unit, which is used for
The communication information between the reception network information, the identity information of air curtain module and air curtain module and server；
The dispensing unit is connect with connection unit, which is used for Configuration network information, and will believe with the network postponed
Breath is sent to connection unit；
The connection unit is connect with server, which is used for according to the network information Connection Service device postponed；
The transmitting element is connect by connection unit with server, which is used for the identity information and wind of processor
The identity information of curtain machine module is sent to server by connection unit.
3. air curtain control system according to claim 1 or 2, is characterized in that, the communication unit include wireless chip,
First element and second element；At least one first element is connect with wireless chip；At least one second element and wireless chip
Connection；Part first element is connect with first element, and part first element is connect with second element, part second element and second
Element connects；The second company that the wireless chip is provided with the first connection circuit being connect with processor and is connect with amplifying unit
Link.
4. air curtain control system according to claim 3, is characterized in that, the first connection circuit is provided with first yuan
Part；Second circuit is provided with first element and/or second element.
5. air curtain control system according to claim 1 or 2, is characterized in that, the time-division system is linux system.
6. air curtain control system according to claim 1 or 2, is characterized in that, which further includes shifting
Dynamic terminal, the mobile terminal are connect in a wireless or wired way with link block；Mobile terminal is used to receive air curtain mould
The information of block and to air curtain module send control information.
7. a kind of air curtain control method, which is characterized in that include the following steps：
Link block sends connection request to server, and is established and connected with server according to the link information of server feedback；
It establishes after connection, link block is according to self information in server registration；
Link block obtains several air curtain module informations according to time-division system, and is respectively sent to the information of air curtain module
Server establishes connecting node between respectively each air curtain module and server, the connecting node is N number of, and wherein N is just
Integer；
The time-division system of link block controls each connecting node to realize that multiple tasks are held parallel between air curtain module and server
Row.
8. a kind of air curtain control method according to right wants 7, which is characterized in that further include following steps：
The link block detects the information of air curtain module in real time, and judges whether that new air curtain module adds in；
If there are the addition of new air curtain module, new module information is sent to server；
Server establishes new connecting node according to new module information；Realize that M node operates simultaneously.
9. a kind of air curtain control method according to right wants 7 or 8, which is characterized in that the link block is to server
Connection request is sent, and the specific step of connection is established with server according to the link information of server feedback and includes following sub-step
Suddenly：
The receiving unit obtains the network information, and the network information is sent to dispensing unit；
The dispensing unit sends connection request according to the net information to server, and network configuration is carried out by connection request；
Link block and server are established by the connection unit after network configuration completion and connected.
10. a kind of air curtain control method according to right wants 9, which is characterized in that
Connection request is sent to server, and establish according to the link information and server of server feedback in the link block
After connection, following steps are further included：
The receiving unit obtains server in real time after link block and server establish connection and/or air curtain module is sent out
The information sent；
The information for the server for being received receiving unit by the transmitting element is sent to server and/or air curtain mould
Block；And the information of air curtain module that receiving unit receives is sent to server and/or air curtain module.
It is judged whether while the receiving unit obtains the information of air curtain module in real time by time-division system new
Air curtain module needs are connect with link block；
If in the presence of the information of new air curtain module is sent to server and registered by receiving unit；
Receiving unit receives the log-on message to succeed in registration that server returns, and passes through the connection according to the log-on message
Unit establishes new connecting node and connect new air curtain module with link block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810032569.4A CN108195024A (en) | 2018-01-12 | 2018-01-12 | Air curtain control system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810032569.4A CN108195024A (en) | 2018-01-12 | 2018-01-12 | Air curtain control system and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108195024A true CN108195024A (en) | 2018-06-22 |
Family
ID=62589038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810032569.4A Pending CN108195024A (en) | 2018-01-12 | 2018-01-12 | Air curtain control system and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108195024A (en) |
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| US20110122769A1 (en) * | 2008-07-03 | 2011-05-26 | Zte Corporation | Synchronization, scheduling, network management and frequency assignment method of a layered wireless access system |
| CN105528883A (en) * | 2015-12-09 | 2016-04-27 | 华南理工大学 | Wind velocity and direction wireless acquisition system and method thereof |
| CN106016603A (en) * | 2016-05-25 | 2016-10-12 | 上海熙鼎信息科技有限公司 | Intelligent fresh air system and intelligent control system |
| CN206258691U (en) * | 2016-12-05 | 2017-06-16 | 深圳市龙新电器有限公司 | Air curtain control system |
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2018
- 2018-01-12 CN CN201810032569.4A patent/CN108195024A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4028495A (en) * | 1974-12-30 | 1977-06-07 | Nippon Electric Company, Ltd. | Time division communication system adapted to structural expansion |
| US20040218609A1 (en) * | 2003-04-29 | 2004-11-04 | Dayton Foster | System and method for delivering messages using alternate modes of communication |
| CN101158851A (en) * | 2006-10-06 | 2008-04-09 | 协同工业有限公司 | A control system and an interface therefor |
| US20110122769A1 (en) * | 2008-07-03 | 2011-05-26 | Zte Corporation | Synchronization, scheduling, network management and frequency assignment method of a layered wireless access system |
| CN105528883A (en) * | 2015-12-09 | 2016-04-27 | 华南理工大学 | Wind velocity and direction wireless acquisition system and method thereof |
| CN106016603A (en) * | 2016-05-25 | 2016-10-12 | 上海熙鼎信息科技有限公司 | Intelligent fresh air system and intelligent control system |
| CN206258691U (en) * | 2016-12-05 | 2017-06-16 | 深圳市龙新电器有限公司 | Air curtain control system |
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