CN103822338A - Air-pipe air feeding type air conditioner system - Google Patents
Air-pipe air feeding type air conditioner system Download PDFInfo
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- CN103822338A CN103822338A CN201410100463.5A CN201410100463A CN103822338A CN 103822338 A CN103822338 A CN 103822338A CN 201410100463 A CN201410100463 A CN 201410100463A CN 103822338 A CN103822338 A CN 103822338A
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Abstract
The invention relates to an air-pipe air feeding type air conditioner system. The air-pipe air feeding type air conditioner system comprises an outdoor unit, an indoor unit main controller and a wire controller. The main controller comprises a first memory, a first micro-control unit and a first execution module connected with the first micro-control unit. The wire controller comprises a second micro-control unit and a second execution module connected with the second micro-control unit. The main controller comprises a first wireless communication module and a third micro-control unit connected with the first micro-control unit. The first memory and the first wireless communication module are respectively connected with the third micro-control unit. The wire controller comprises a second memory, a second wireless communication module and a fourth micro-control unit connected with the second micro-control unit. The second memory and the second wireless communication module are respectively connected with the fourth micro-control unit. Wireless communication between the main controller and the wire controller can be achieved through the first wireless communication module and the second wireless communication module.
Description
Technical field
The present invention relates to air-conditioner control technology field, especially relate to air duct blow type air-conditioning system.
Background technology
Along with growth in the living standard, people also improve gradually to the requirement of indoor air quality.Air duct blow type air-conditioning system is ultra-thin with it, cooling/heating is effective, evenly soft, the advantage such as efficiency is high, operation is quiet, the thermograde of the same space is little of air-supply, is more and more subject to consumers in general's welcome.The whole machine installation of air duct blow type air-conditioning system is outdoor, and end is arranged on each indoor diverse location.Existing air duct blow type air-conditioning system comprises off-premises station, indoor set and line control machine, master controller is installed on indoor set, line control machine can control room in owner's controller, and indoor set master controller can be controlled indoor set and off-premises station simultaneously, concrete, as shown in Figure 1, off-premises station comprises compressor, cross valve, outer blower fan and temperature sensor, indoor set master controller comprises the first micro-control unit MCU1(Micro Control Unit, be MCU), and comprise power circuit, electrical heating submodule, the first Executive Module of fan electromotor and temperature sensor, line control machine comprises the second micro-control unit MCU2, and comprise button, the second Executive Module of display screen and other function sub-modules, in addition, in indoor set master controller and line control machine, comprise respectively a wire communication circuit, as RS485 or RS232, between master controller and line control machine, adopt wired mode to carry out data communication.Therefore, the data line between master controller and line control machine is various, once and certain transmission lines breaks down, will cause between control system the data communication of entirety break down.In addition, in the time of master controller and line control machine apart from each other, the length of the data line needing also can increase accordingly, and not only installation cost is high, also has certain installation difficulty.
Summary of the invention
Technical problem to be solved by this invention is between indoor set master controller and line control machine, to carry out communication by wired mode in prior art, and fault rate is high, and installation cost is high, difficulty is large.
For addressing the above problem, the technical solution used in the present invention is: air duct blow type air-conditioning system, comprise off-premises station, indoor set master controller and line control machine, described master controller comprises first memory, the first micro-control unit and the first Executive Module being connected with described the first micro-control unit, master controller is by off-premises station described in the first micro-control unit controls, described line control machine comprises the second micro-control unit and the second Executive Module being connected with described the second micro-control unit, master controller also comprises the first wireless communication module and the 3rd micro-control unit being connected with the first micro-control unit, described first memory is connected with described the 3rd micro-control unit respectively with described the first wireless communication module, described line control machine comprises second memory, the second wireless communication module and the 4th micro-control unit being connected with the second micro-control unit, described second memory is connected with described the 4th micro-control unit respectively with described the second wireless communication module, by the first wireless communication module and the second wireless communication module, between master controller and line control machine, can realize wireless telecommunications, wherein, the 3rd micro-control unit and the 4th micro-control unit are for the reception to wireless data, send and store and process.
Further, between described the 3rd micro-control unit and described first memory, and between described the 4th micro-control unit and described second memory, all adopt iic bus mode to carry out transfer of data.
Further, between described the 3rd micro-control unit and described the first wireless communication module, and between described the 4th micro-control unit and described the second wireless communication module, all adopt spi bus mode to carry out communication.
Further, described master controller also comprises the first level switch module, described line control machine also comprises second electrical level modular converter, described the first level switch module is connected with described the 3rd micro-control unit, described first memory and described the first wireless communication module respectively, and described second electrical level modular converter is connected with described the 4th micro-control unit, described second memory and described the second wireless communication module respectively.
Further, described master controller also comprises the first chip debugging interface, described line control machine also comprises the second chip debugging interface, and described the first chip debugging interface is connected with described the 3rd micro-control unit, and described the second chip debugging interface is connected with described the 4th micro-control unit.
The invention has the beneficial effects as follows: by the first wireless communication module and the second wireless communication module, between indoor set master controller and line control machine, can realize wireless telecommunications, in addition, by increasing by the 3rd micro-control unit for master controller, and be line control machine increase the 4th micro-control unit, the first memory of master controller is connected with the 3rd micro-control unit, on the one hand, due to the only responsible reception of processing wireless data of micro-control unit newly-increased in master controller and line control machine, send and storage, and original micro-control unit is responsible for each submodule in Executive Module to process in master controller and line control machine, two micro-control units in master controller and line control machine are worked simultaneously, improve greatly operating efficiency, also better guaranteed the stability of data in transmitting procedure, on the other hand, can not change on the basis of original control circuit and control program, for master controller and line control machine increase wireless communication function, reduce the complexity of exploitation,
Between micro-control unit and memory, carry out transfer of data by iic bus mode, make can realize between micro-control unit and memory the two-way transmission of data, improved data transmission efficiency, also guaranteed the accuracy of data simultaneously;
Between micro-control unit and wireless communication module, carry out communication by spi bus mode, guaranteed the accuracy of communication, in addition, employing spi bus mode only takies four lines of chip pin, has saved the pin of chip, for having saved space on circuit-board laying-out.
Accompanying drawing explanation
Fig. 1 is the structural representation of air duct blow type air-conditioning system in prior art;
Fig. 2 is the structural representation of air duct blow type air-conditioning system the first implementation of the present invention;
Fig. 3 is the structural representation of air duct blow type air-conditioning system the second implementation of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, describe technical scheme of the present invention in detail.
The application's air duct blow type air-conditioning system, comprise off-premises station, indoor set master controller and line control machine, described master controller comprises first memory, the first micro-control unit and the first Executive Module being connected with described the first micro-control unit, master controller is by off-premises station described in the first micro-control unit controls, described line control machine comprises the second micro-control unit and the second Executive Module being connected with described the second micro-control unit, master controller also comprises the first wireless communication module and the 3rd micro-control unit being connected with the first micro-control unit, described first memory is connected with described the 3rd micro-control unit respectively with described the first wireless communication module, described line control machine comprises second memory, the second wireless communication module and the 4th micro-control unit being connected with the second micro-control unit, described second memory is connected with described the 4th micro-control unit respectively with described the second wireless communication module, by the first wireless communication module and the second wireless communication module, between master controller and line control machine, can realize wireless telecommunications, wherein, the 3rd micro-control unit and the 4th micro-control unit are for the reception to wireless data, send and store and process.
By the first wireless communication module and the second wireless communication module, between indoor set master controller and line control machine, can realize wireless telecommunications, in addition, by increasing by the 3rd micro-control unit for master controller, and be line control machine increase the 4th micro-control unit, the first memory of master controller is connected with the 3rd micro-control unit, on the one hand, due to the only responsible reception of processing wireless data of micro-control unit newly-increased in master controller and line control machine, send and storage, and original micro-control unit is responsible for each submodule in Executive Module to process in master controller and line control machine, two micro-control units in master controller and line control machine are worked simultaneously, improve greatly operating efficiency, also better guaranteed the stability of data in transmitting procedure, on the other hand, can not change on the basis of original control circuit and control program, for master controller and line control machine increase wireless communication function, reduce the complexity of exploitation.
As shown in Figure 2, in this application, air duct blow type air-conditioning system, comprises off-premises station, indoor set master controller and line control machine.Same as the prior art, the application's off-premises station generally includes compressor, cross valve, outer blower fan and temperature sensor, indoor set master controller generally includes the first micro-control unit MCU1(Micro Control Unit, be MCU) and the first Executive Module, wherein, the first Executive Module is connected with MCU1, the first Executive Module specifically comprises power circuit, electrical heating submodule, fan electromotor and temperature sensor, line control machine generally includes the second micro-control unit MCU2 and the second Executive Module, wherein, the second Executive Module is connected with MCU2, the second Executive Module specifically comprises button, display screen and other function sub-modules.The first Executive Module and the second Executive Module can also comprise other function sub-modules, and the application is not construed as limiting this.Master controller is controlled off-premises station by MCU1.In addition, in the prior art, master controller also comprises first memory.
In this application, master controller also comprises the 3rd micro-control unit MCU3 and the first wireless communication module, first memory is connected with MCU3 respectively with the first wireless communication module, and MCU3 is connected with MCU1, and MCU3 is for the treatment of reception, transmission and the storage of wireless data.Corresponding, line control machine also comprises second memory, the 4th micro-control unit MCU4 and the second wireless communication module, second memory is connected with MCU4 respectively with the second wireless communication module, and MCU4 is connected with MCU2, and MCU4 is equally for the treatment of reception, transmission and the storage of wireless data.By the first wireless communication module and the second wireless communication module, between master controller and line control machine, can realize wireless telecommunications, data are transmitted wirelessly and received.Wherein, first memory and second memory, for the wireless data receiving is stored, in addition, can also be stored wireless data to be sent.
Be responsible for the process of deal with data storage by MCU3, solved prior art owing to utilizing MCU1 to carry out deal with data storage, the low problem of storage efficiency of existence, has improved the efficiency of deal with data storage.Owing to utilizing micro-control unit newly-increased in master controller and line control machine, be MCU3 and MCU4, process reception, transmission and the storage of wireless data, and original micro-control unit in master controller and line control machine, be MCU1 and MCU2, be responsible for each submodule in Executive Module to process.MCU1 and MCU3, and MCU2 and MCU4 can work simultaneously, have improved operating efficiency, have guaranteed the stability of data in transmitting procedure.Meanwhile, can not change original control circuit and control program yet, reduce the complexity of exploitation.
Preferably, in this application, first memory and second memory use CAT24C02, and the first wireless communication module and the second wireless communication module use ZM470S-A, and MCU3 and MCU4 use MKL04Z8VFK4.Wireless communication module ZM470S has the feature of high integrated, low-power consumption and multiband, its operating voltage is 1.9-3.6V, tetra-frequency ranges of 315/433/868/915MHz be can be operated in, inner integrated diversity antenna, power amplifier, transmit and receive data FIFO and the configurable GPIO of timer, digital modems, 64 bytes waken up.In 240-960MHz frequency range, just can reach+20dBm of peak power output while not adding power amplifier, meanwhile, it can be realized distance reception and send data, has good penetrability.
Further, in this application, between MCU3 and first memory, adopt iic bus mode to carry out transfer of data, corresponding, between MCU4 and second memory, also adopt iic bus mode to carry out transfer of data.Concrete, the PTA4/LLWU_P0/XTAL0 of MKL04Z8VFK4 and PTA3/EXTAL0 are set to respectively to data line SDA and the clock control line SCL of iic bus, and are connected with SCL with the SDA of CAT24C02.Existing wireless communication mode adopts serial input/way of output conventionally, or parallel I/O mode, carry out exchanges data, serial input/way of output is that data are transmitted by turn, and data transmission efficiency is extremely low, and parallel I/O mode is by first string data Input Data Buffer, in the time that data reach eight, a logical input destination memory again, efficiency of transmission is equally very low, and easily causes loss of data.And the application adopts iic bus mode to carry out transfer of data, make data can be between MCU and memory transmitted in both directions, improved data transmission efficiency, use master/slave both-way communication, message transmission rate can reach 1001Kb/S.Meanwhile, on iic bus and the MCU connecing and memory, both are main controller (or controlled device), again transmitter (or receiver), both can work in and receive and transmission state, for example, in the time that MCU sends data to memory, MCU is as main controller (transmitter), memory is as controlled device (receiver), otherwise, in the time that memory sends data to MCU, memory is as main controller (transmitter), and MCU is as by air (receiver).Carry out transfer of data by iic bus mode and not only improved efficiency of transmission, also guaranteed the accuracy of transmission data.
Further, in this application, between MCU3 and the first wireless communication module, adopt spi bus mode to carry out communication, corresponding, between MCU4 and the second wireless communication module, also adopt spi bus mode to carry out communication, thereby MCU3 and MCU4 complete the initialization to the first wireless communication module and the second wireless communication module, and the reception of data and transmission.Concrete, MKL04Z8VFK4 is connected with SDN, IRQ, the SEL of ZM470S by PTB11, PTB10, PTA5/LLWU_P1/RTC_CLKIN8, to realize, the configuration register in ZM470S is encoded, MKL04Z8VFK4 is connected with CLK, SDO, the SDI of ZM470S by PTB0/IRQ_8/LLWU_P4, PTA7/IRQ_7/LLWU_P3, PTA6/LLWU_P2, thereby ZM470S and MKL04Z8VFK4 can carry out communication by spi bus mode.The SDN pin level that MKL04Z8VFK4 passes through, thereby the break-make of control ZM470S power supply, in addition, ZM470S is after the down trigger of having opened, IRQ pin drags down, and after interrupt identification bit clear, IRQ pin becomes high level again, reads interrupt flag register and can remove interrupt flag bit.MKL04Z8VFK4 carries out read-write operation by built-in Enhanced SPI interface to the internal register of ZM470S, mainly uses 4 line SPI(MOSI, MISO, SCK and SEL) complete initial configuration to ZM470S, read and write data, access the operations such as FIFO.Wherein MOSI is for the serial data transmission from MKL04Z8VFK4 to ZM470S, MISO is for the serial data transmission from ZM470S to MKL04Z8VFK4, SCK is for the serial data transmission on MOSI and MISO line between synchronous MKL04Z8VFK4 and ZM470S, SEL is as chip selection signal, while only having chip selection signal to be low level, just effective to the operation of ZM470S.
Spi bus has high speed, full duplex, synchronous feature, between MCU and wireless communication module, adopt spi bus mode to carry out communication, guarantee the accuracy of communication, in addition, adopt spi bus mode only to take four lines of chip pin, save the pin of chip, for having saved space on circuit-board laying-out.
Further, because the external chip Power supply of master controller and line control machine is 5V, and MKL04Z8VFK4, the working power of ZM470S and CAT24C02 is all less than 5V, therefore, in the second implementation different from above-mentioned the first implementation, as shown in Figure 3, the application's master controller also comprises the first level switch module, line control machine also comprises second electrical level modular converter, the first level switch module respectively with MCU3, first memory is connected with the first wireless communication module, second electrical level modular converter respectively with MCU4, second memory is connected with the second wireless communication module.Level shifting circuit is for conversion work voltage.Preferably, the first level switch module and second electrical level modular converter use CAT6217-330TD.
Further, master controller also comprises the first chip debugging interface, and line control machine also comprises the second chip debugging interface, and the first chip debugging interface is connected with MCU3, and the second chip debugging interface is connected with MCU4.By chip debugging interface, user can debug MCU.
Below the communication process between the indoor set master controller to the application and line control machine is described in detail:
First, after system powers on, MCU is in default conditions, re-start initial configuration according to system function requirement, MCU is configured the register such as 1ch, 1dh of wireless communication module by SPI, write corresponding initialization RF control word (comprising frequency, transmission means and speed), and by spi bus mode, the register such as 33h, 34h is configured, so that transferring content to be set.
When line control machine sends data, the length of bag is set by configuring the register 3eh of the second wireless communication module, first, write continuously register 7fh by SPI, in TX FIFO, write data to be sent, then open " send and interrupt allowing " mark, fashionable when having packet to complete to write, pin IRQ produces low level, thereby notice line control machine MCU4 packet has write complete, enable sending function, start to send data.Line control machine has just completed the transmission of a secondary data like this, and enters next datacycle transmission state.
When master controller receives data, read data in RX FIFO by access register 7fh, concrete, after corresponding control word sets, if pin IRQ becomes low level, represent that the first wireless communication module is ready to receive data.Then, open " effectively bag interrupts " and " synchronization character detects and interrupts ", other interruptions are all forbidden.If pin IRQ becomes low level, read interrupt flag bit reset IRQ pin, make IRQ pin return to initial high level state to prepare the detection of down trigger next time.Read the data in RX FIFO by SPI, master controller has completed once corresponding read data operation, enters afterwards data receiving state next time.
In like manner, if send data by master controller, receive data by line control machine, master controller carries out transmission data manipulation as above, and line control machine carries out reception data manipulation as above.By said process, just complete the communication between indoor set master controller and line control machine.
Claims (5)
1. air duct blow type air-conditioning system, comprise off-premises station, indoor set master controller and line control machine, described master controller comprises first memory, the first micro-control unit and the first Executive Module being connected with described the first micro-control unit, master controller is by off-premises station described in the first micro-control unit controls, described line control machine comprises the second micro-control unit and the second Executive Module being connected with described the second micro-control unit, it is characterized in that, master controller also comprises the first wireless communication module and the 3rd micro-control unit being connected with the first micro-control unit, described first memory is connected with described the 3rd micro-control unit respectively with described the first wireless communication module, described line control machine comprises second memory, the second wireless communication module and the 4th micro-control unit being connected with the second micro-control unit, described second memory is connected with described the 4th micro-control unit respectively with described the second wireless communication module, by the first wireless communication module and the second wireless communication module, between master controller and line control machine, can realize wireless telecommunications, wherein, the 3rd micro-control unit and the 4th micro-control unit are for the reception to wireless data, send and store and process.
2. air duct blow type air-conditioning system as claimed in claim 1, it is characterized in that, between described the 3rd micro-control unit and described first memory, and between described the 4th micro-control unit and described second memory, all adopt iic bus mode to carry out transfer of data.
3. air duct blow type air-conditioning system as claimed in claim 1, it is characterized in that, between described the 3rd micro-control unit and described the first wireless communication module, and between described the 4th micro-control unit and described the second wireless communication module, all adopt spi bus mode to carry out communication.
4. air duct blow type air-conditioning system as claimed in claim 1, it is characterized in that, described master controller also comprises the first level switch module, described line control machine also comprises second electrical level modular converter, described the first level switch module is connected with described the 3rd micro-control unit, described first memory and described the first wireless communication module respectively, and described second electrical level modular converter is connected with described the 4th micro-control unit, described second memory and described the second wireless communication module respectively.
5. air duct blow type air-conditioning system as claimed in claim 1, it is characterized in that, described master controller also comprises the first chip debugging interface, described line control machine also comprises the second chip debugging interface, described the first chip debugging interface is connected with described the 3rd micro-control unit, and described the second chip debugging interface is connected with described the 4th micro-control unit.
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| CN201410100463.5A CN103822338A (en) | 2014-03-18 | 2014-03-18 | Air-pipe air feeding type air conditioner system |
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| CN201410100463.5A CN103822338A (en) | 2014-03-18 | 2014-03-18 | Air-pipe air feeding type air conditioner system |
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Application publication date: 20140528 |