CN105444348A - Integrated controller for commercial air conditioner wireless communication system - Google Patents
Integrated controller for commercial air conditioner wireless communication system Download PDFInfo
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- CN105444348A CN105444348A CN201510846612.7A CN201510846612A CN105444348A CN 105444348 A CN105444348 A CN 105444348A CN 201510846612 A CN201510846612 A CN 201510846612A CN 105444348 A CN105444348 A CN 105444348A
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- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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Abstract
The invention discloses an integrated controller for a commercial air conditioner wireless communication system, and relates to the technical field of communication control devices. The integrated controller comprises a master control circuit and a self-adaption 10/100 M Ethernet interface circuit; the mater control circuit comprises an ARM master control chip U3; and an interface module, a power supply filter module, a clock module, a watchdog module and a power module are arranged on the master control chip. The integrated controller has the beneficial effects of being stable in work, high in reliability and the like.
Description
Technical field
The present invention relates to the device technique field of Control on Communication, particularly relate to a kind of business air conditioner wireless communication system Centralized Controller.
Background technology
Along with central air-conditioning application is increasingly extensive, the mode of operation that conventional central airconditioning control is desk-top, owing to having higher operation requirements to user, general be difficult to ensure air-conditioning optimum operation and the form that breakdown maintenance must be gone on business to dispatch officers again carry out, due to accurate fault data cannot be obtained in advance, add maintenance time, efficiency is low.Business air conditioner wireless communication system can use Centralized Controller, and the Centralized Controller operation stability of prior art is poor, and reliability is low.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of business air conditioner wireless communication system Centralized Controller, and described Centralized Controller has working stability, reliability high.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of business air conditioner wireless communication system Centralized Controller, it is characterized in that: comprise governor circuit and self adaptation 10/100M ethernet interface circuit, described governor circuit comprises ARM main control chip U3, and main control chip is provided with interface module, power filtering module, clock module, watchdog module and power module.
Further technical scheme is: described watchdog module comprises chip 706S type watchdog chip U4, 1 pin of described U4 is divided into two-way, the first via connects power supply through resistance R38, second tunnel connects 8 pin of U4 through resistance R32, 2 pin of chip U4 connect power supply, and this pin is parallel with filter capacitor C22, 3 pin of chip U4 and 4 pin ground connection, 5 pin of chip U4 are unsettled, 6 pin of chip U4 are divided into two-way, the first via is connected with the WDI pin of described main control chip U3, second tunnel is divided into two-way after resistance R42, the first via is connected with power supply, second tunnel is connected with the power output end of battery and the VBAT pin of main control chip U3 respectively after resistance R44, 7 pin of chip U4 are divided into three tunnels after resistance R39, the first via is connected with the NRST pin of main control chip U3, second tunnel connects power supply through resistance R41, 3rd tunnel is through electric capacity C23 ground connection.
Further technical scheme is: described governor circuit also comprises reference voltage input module, comprise inductance L 3-L4, one end of inductance L 4 is successively through electric capacity C40, be connected with one end of electric capacity C39 after resistance R47, the other end of electric capacity C39 is connected with the other end of inductance L 4, inductance L 4 connects power supply with the node of electric capacity C39, inductance L 4 connects power supply with the node of electric capacity C40, the node ground connection of electric capacity C39 and resistance R47, the node ground connection of electric capacity C40 and resistance R47, one termination inductance L 4 of inductance L 3 and the node of electric capacity C40, the VREF+ pin of another termination main control chip U3 of inductance L 3, VREF+ pin is parallel with filter capacitor C41, the VDDA pin of main control chip U3 connects the node of inductance L 3 and inductance L 4.
Further technical scheme is: described interface module comprises RS232 interface module, RS485 interface module and CAN interface module, 1 pin and 4 pin of connector DB9 are unsettled, 5 pin ground connection, 2 pin of connector DB9 are connected with the T2OUT pin of RS232 transceiver U8, 3 pin of connector DB9 are connected with the R2IN pin of RS232 transceiver U8, the T2IN pin of RS232 transceiver U8 is connected with the UART2TX pin of main control chip U3, the R2OUT pin of RS232 transceiver U8 is connected with the UART2RX pin of main control chip U3, 5 pin of connector DB9 are connected with the CANH pin of CAN chip U6 through resistance R49, 6 pin of connector DB9 are connected with the CANL pin of CAN chip U6 through resistance R48, the TXD pin of CAN chip U6 is connected with the CANTXD pin of main control chip U3, the RXD pin of CAN chip U6 is connected with the CANRXD pin of main control chip U3, 8 pin of connector DB9 are connected with the A pin of RS485 transceiver U7 through resistance R53, 7 pin of connector DB9 are connected with the B pin of RS485 transceiver U7 through resistance R52, the R0_RXD pin of RSS485 transceiver U7 is connected with the UART4RX pin of main control chip U3, the DI_TXD pin of RSS485 transceiver U7 is connected with the UART4TX pin of main control chip U3.
Further technical scheme is: described power module comprises rectifier bridge MB6S, power supply chip MC34063AD and LM1117MPX_3.3, the input of power supply is connected with the input of rectifier bridge MB6S, the cathode output end of rectifier bridge MB6S is divided into three tunnels after insurance F1, the first via is connected with one end of resistance R4, second tunnel is connected with 6 pin of power supply chip MC34063AD, the 3rd tunnel ground connection after diode D1; The other end of resistance R4 is connected with 1 pin of power supply chip MC34063AD, 7 pin and 8 pin respectively, electric capacity C6 and electric capacity C7 is connected in parallel between 6 pin of power supply chip MC34063AD and ground, the 4 pin ground connection of power supply chip MC34063AD, ground connection after the 3 foot meridian capacitor C8 of power supply chip MC34063AD, 2 pin of power supply chip MC34063AD are divided into two-way, the first via is through diode D2 ground connection, and the second tunnel is connected with one end of inductance L 1; The other end of inductance L 1 is divided into four tunnels, and the first via is ground connection after resistance R5, resistance R10 successively, and the second tunnel is through electric capacity C1 ground connection, and the 3rd tunnel is through electric capacity C2 ground connection, and the 4th tunnel is connected with 3 pin of power supply chip LM1117MPX_3.3; The 5 pin connecting resistance R5 of power supply chip MC34063AD and the node of resistance R10; The 1 pin ground connection of power supply chip LM1117MPX_3.3; Three tunnels are divided into after 2 pin of power supply chip LM1117MPX_3.3 and 4 pin merge, the first via is through electric capacity C4 ground connection, second tunnel is through electric capacity C3 ground connection, 3rd tunnel is ground connection after resistance R6 and light emitting diode D4 successively, and 2 pin of power supply chip LM1117MPX_3.3 and 4 pin are the power output end of described power module.
Further technical scheme is: described self adaptation 10/100M ethernet interface circuit comprises Ethernet chip U10, U10 uses DM9161AE, 1 pin of interface RJ1 connects the TX+ pin of chip U10,2 pin of interface RJ1 connect the TX-pin of chip U10,3 pin of interface RJ1 connect the RX+ pin of chip U10, be provided with resistance R14, resistance R15 and electric capacity C11 between 1 pin of interface RJ1 and 2 pin, between 2 pin of interface RJ1 and 3 pin, be provided with resistance R16, resistance R17 and electric capacity C12; 4 pin and 5 pin of interface RJ1 connect power supply, and 3 pin and 4 pin are parallel with filter capacitor C9; 6 pin of interface RJ1 connect the RX-pin of chip U10, and 7 pin of interface RJ1 are unsettled, the 8 pin ground connection of interface RJ1; 9 pin of interface RJ1 connect power supply through resistance R20, and 10 pin of interface RJ1 connect and are divided into two-way, and the first via connects the LINK/ACTLED/OP2 pin of chip U10, and the second tunnel connects power supply through resistance R37; 11 pin of interface RJ1 connect and are divided into two-way, and the first via connects the FDX/COLLED/OP0 pin of chip U10, and the second tunnel connects power supply through resistance R35; The SPEEDLED/OP1 pin of chip U10 connects power supply through resistance R36; The AVDD pin of chip U10 connects power supply, and this pin is parallel with electric capacity C13 and electric capacity C14; The REF_CLK/XT2 pin of described chip U10 is connected with crystal oscillator generator X3; Other pin of chip U10 is connected with the respective pins on Centralized Controller.
The beneficial effect adopting technique scheme to produce is: described Centralized Controller comprises governor circuit and self adaptation 10/100M ethernet interface circuit, described governor circuit comprises ARM main control chip U3, and main control chip is provided with interface module, power filtering module, clock module, watchdog module and power module.The governor circuit of described Centralized Controller, by multiple peripheral module, can effectively ensure Centralized Controller stable operation, improve stability and the reliability of work.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is a kind of theory diagram of business air conditioner wireless communication system;
Fig. 2 is the governor circuit schematic diagram of Centralized Controller in the present invention;
Fig. 3 is the enlarged drawing at A place in Fig. 2;
Fig. 4 is the enlarged drawing at B place in Fig. 2;
Fig. 5 is the enlarged drawing at C place in Fig. 2;
Fig. 6 is the enlarged drawing at D place in Fig. 2;
Fig. 7 is the enlarged drawing at E place in Fig. 2;
Fig. 8 is the enlarged drawing at F place in Fig. 2;
Fig. 9 is described interface module schematic diagram;
Figure 10-Figure 11 is the schematic diagram of described power module;
Figure 12-Figure 14 is described self adaptation 10/100M ethernet interface circuit schematic diagram;
Figure 15 is the main control chip U2 schematic diagram in described wireless controller;
Figure 16 is the schematic diagram of connector SMD-25 in described wireless controller;
Figure 17-Figure 18 is the schematic diagram of half-duplex circuit in described wireless controller.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Set forth a lot of detail in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
As shown in Figure 1, it is a kind of business air conditioner wireless communication system, comprise monitor terminal, Centralized Controller, wireless controller and wireless transport module, bidirectional data interaction is carried out by the network interface on router or WIFI interface between described monitor terminal and Centralized Controller, described wireless transport module is arranged on the off-premises station of air-conditioning, the corresponding wireless controller of each group indoor apparatus of air conditioner, wireless controller is by serial ports and described air-conditioner outdoor unit carry out data interaction, wireless transport module carries out data interaction by wireless network and wireless controller, the operational factor of indoor apparatus of air conditioner and off-premises station is gathered by wireless controller, above-mentioned parameter is passed through Centralized Controller by wireless controller successively, router is uploaded to monitor terminal to carry out showing and processing, monitor terminal passes through router successively, Centralized Controller and wireless controller reach indoor apparatus of air conditioner by under control command, indoor apparatus of air conditioner controls air-conditioner outdoor unit and runs.
The invention discloses a kind of business air conditioner wireless communication system Centralized Controller, described Centralized Controller comprises governor circuit and self adaptation 10/100M ethernet interface circuit.Described governor circuit comprises ARM main control chip U3, and main control chip is provided with interface module, power filtering module, clock module, watchdog module and power module, as shown in figs. 2-9.
The main control chip U3 of Centralized Controller governor circuit selects STM company based on Cortex-M3 kernel 32 ARM single-chip microcomputer STM32F107VB.This single-chip microcomputer use ARM up-to-date, the Cortex-M3 kernel of advanced framework, excellent real-time performance, outstanding power consumption control, the peripheral hardware of outstanding and innovation, maximum integrating, is easy to exploitation, product can be made to come into the market fast.STM32F107VB interconnected Series of MCU characteristic bright spot is built-in 10/100M Ethernet MAC controller (MAC), supports 10/100M self adaptation, full duplex half-duplex self adaptation.
As shown in Figure 8, described watchdog module comprises chip 706S type watchdog chip U4, 1 pin of described U4 is divided into two-way, the first via connects power supply through resistance R38, second tunnel connects 8 pin of U4 through resistance R32, 2 pin of chip U4 connect power supply, and this pin is parallel with filter capacitor C22, 3 pin of chip U4 and 4 pin ground connection, 5 pin of chip U4 are unsettled, 6 pin of chip U4 are divided into two-way, the first via is connected with the WDI pin of described main control chip U3, second tunnel is divided into two-way after resistance R42, the first via is connected with power supply, second tunnel is connected with the power output end of battery and the VBAT pin of main control chip U3 respectively after resistance R44, 7 pin of chip U4 are divided into three tunnels after resistance R39, the first via is connected with the NRST pin of main control chip U3, second tunnel connects power supply through resistance R41, 3rd tunnel is through electric capacity C23 ground connection.
As shown in Figure 5, described governor circuit also comprises reference voltage input module, comprise inductance L 3-L4, one end of inductance L 4 is successively through electric capacity C40, be connected with one end of electric capacity C39 after resistance R47, the other end of electric capacity C39 is connected with the other end of inductance L 4, inductance L 4 connects power supply with the node of electric capacity C39, inductance L 4 connects power supply with the node of electric capacity C40, the node ground connection of electric capacity C39 and resistance R47, the node ground connection of electric capacity C40 and resistance R47, one termination inductance L 4 of inductance L 3 and the node of electric capacity C40, the VREF+ pin of another termination main control chip U3 of inductance L 3, VREF+ pin is parallel with filter capacitor C41, the VDDA pin of main control chip U3 connects the node of inductance L 3 and inductance L 4.
As shown in Figure 9, described interface module comprises RS232 interface module, RS485 interface module and CAN interface module, 1 pin and 4 pin of connector DB9 are unsettled, 5 pin ground connection, 2 pin of connector DB9 are connected with the T2OUT pin of RS232 transceiver U8, 3 pin of connector DB9 are connected with the R2IN pin of RS232 transceiver U8, the T2IN pin of RS232 transceiver U8 is connected with the UART2TX pin of main control chip U3, the R2OUT pin of RS232 transceiver U8 is connected with the UART2RX pin of main control chip U3, 5 pin of connector DB9 are connected with the CANH pin of CAN chip U6 through resistance R49, 6 pin of connector DB9 are connected with the CANL pin of CAN chip U6 through resistance R48, the TXD pin of CAN chip U6 is connected with the CANTXD pin of main control chip U3, the RXD pin of CAN chip U6 is connected with the CANRXD pin of main control chip U3, 8 pin of connector DB9 are connected with the A pin of RS485 transceiver U7 through resistance R53, 7 pin of connector DB9 are connected with the B pin of RS485 transceiver U7 through resistance R52, the R0_RXD pin of RSS485 transceiver U7 is connected with the UART4RX pin of main control chip U3, the DI_TXD pin of RSS485 transceiver U7 is connected with the UART4TX pin of main control chip U3.
As shown in figs. 10-11, described power module comprises rectifier bridge MB6S, power supply chip MC34063AD and LM1117MPX_3.3, the input of power supply is connected with the input of rectifier bridge MB6S, the cathode output end of rectifier bridge MB6S is divided into three tunnels after insurance F1, the first via is connected with one end of resistance R4, second tunnel is connected with 6 pin of power supply chip MC34063AD, the 3rd tunnel ground connection after diode D1; The other end of resistance R4 is connected with 1 pin of power supply chip MC34063AD, 7 pin and 8 pin respectively, electric capacity C6 and electric capacity C7 is connected in parallel between 6 pin of power supply chip MC34063AD and ground, the 4 pin ground connection of power supply chip MC34063AD, ground connection after the 3 foot meridian capacitor C8 of power supply chip MC34063AD, 2 pin of power supply chip MC34063AD are divided into two-way, the first via is through diode D2 ground connection, and the second tunnel is connected with one end of inductance L 1; The other end of inductance L 1 is divided into four tunnels, and the first via is ground connection after resistance R5, resistance R10 successively, and the second tunnel is through electric capacity C1 ground connection, and the 3rd tunnel is through electric capacity C2 ground connection, and the 4th tunnel is connected with 3 pin of power supply chip LM1117MPX_3.3; The 5 pin connecting resistance R5 of power supply chip MC34063AD and the node of resistance R10; The 1 pin ground connection of power supply chip LM1117MPX_3.3; Three tunnels are divided into after 2 pin of power supply chip LM1117MPX_3.3 and 4 pin merge, the first via is through electric capacity C4 ground connection, second tunnel is through electric capacity C3 ground connection, 3rd tunnel is ground connection after resistance R6 and light emitting diode D4 successively, and 2 pin of power supply chip LM1117MPX_3.3 and 4 pin are the power output end of described power module.
As shown in figs. 12-14, described self adaptation 10/100M ethernet interface circuit comprises Ethernet chip U10, U10 uses DM9161AE, 1 pin of interface RJ1 connects the TX+ pin of chip U10,2 pin of interface RJ1 connect the TX-pin of chip U10,3 pin of interface RJ1 connect the RX+ pin of chip U10, are provided with resistance R14, resistance R15 and electric capacity C11 between 1 pin of interface RJ1 and 2 pin, are provided with resistance R16, resistance R17 and electric capacity C12 between 2 pin of interface RJ1 and 3 pin; 4 pin and 5 pin of interface RJ1 connect power supply, and 3 pin and 4 pin are parallel with filter capacitor C9; 6 pin of interface RJ1 connect the RX-pin of chip U10, and 7 pin of interface RJ1 are unsettled, the 8 pin ground connection of interface RJ1; 9 pin of interface RJ1 connect power supply through resistance R20, and 10 pin of interface RJ1 connect and are divided into two-way, and the first via connects the LINK/ACTLED/OP2 pin of chip U10, and the second tunnel connects power supply through resistance R37; 11 pin of interface RJ1 connect and are divided into two-way, and the first via connects the FDX/COLLED/OP0 pin of chip U10, and the second tunnel connects power supply through resistance R35; The SPEEDLED/OP1 pin of chip U10 connects power supply through resistance R36; The AVDD pin of chip U10 connects power supply, and this pin is parallel with electric capacity C13 and electric capacity C14; The REF_CLK/XT2 pin of described chip U10 is connected with crystal oscillator generator X3; Other pin of chip U10 is connected with the respective pins on Centralized Controller.
As shown in figures 15-18, described wireless controller comprises main control chip U2, connector SMD-25 and half-duplex circuit, and described U2 uses STM8S103Fx/TSSOP20 type processor, and described control chip U2 is connected with described half-duplex circuit by connecting SMD-25.
As shown in figs. 17-18, described half-duplex circuit comprises wireless transmission chip U1, and U1 uses SI4432, and 1 pin of described chip U1 is connected with power supply with 12 pin; 2 pin of chip U1 are divided into two-way, the first via is connected with power supply through inductance L C1, electric capacity C1, electric capacity C2 and electric capacity C3 are connected in parallel on the input of power supply, second tunnel is connected with one end of electric capacity C0, the other end of electric capacity C0 is through being divided into two-way, the first via is ground connection after electric capacity CHM, resistance RHM successively, and the second tunnel is connected with 3 pin of duplexer chip UPG2214TK; 3 pin of wireless transmission chip U1 are divided into two-way, the first via connects 4 pin of wireless transmission chip U1 after inductance L R1, second tunnel is connected with one end of inductance L R2 and 1 pin of switch chip UPG2214TK respectively after electric capacity CR1, the other end of inductance L R2 respectively with one end of electric capacity CR2 and 4 pin of wireless transmission chip U1, the other end ground connection of electric capacity CR2,1 pin of switch chip UPG2214TK is parallel with filter capacitor C12; The 4 foot meridian capacitor C10 ground connection of switch chip UPG2214TK, 5 pin of switch chip UPG2214TK are connected with antenna ANT after inductance L M1, and electric capacity CM2 is connected in parallel on 5 pin of described UPG2214TK, the 6 foot meridian capacitor C9 ground connection of switch chip UPG2214TK; 5 pin and 9 pin of switch chip UPG2214TK are unsettled, 7 pin of switch chip UPG2214TK and 8 pin are program input pin, 18 pin of described switch chip UPG2214TK connect crystal oscillator generation module, and other pin of described switch chip UPG2214TK is connected with the respective pins on the main control chip of wireless module.
SI4432 just plays Signal transmissions effect at wireless network, do not possess the function of data processing, go to process data so also add a single-chip microcomputer, a kernel selecting STM company to go out here is the single-chip microcomputer of STM8, and model is STM8S103F, it is little that this single-chip microcomputer has volume, stable performance, antijamming capability is strong, safety, the features such as processing speed is fast, and Peripheral Interface is abundant.
Wireless network adopts 915M frequency range, with high performance SiliconLabsEZRadioPRO series ISM band wireless chip SI4432, this kind of chip receiving sensitivity can arrive-121dbm, because its transmitting power is large, receiving sensitivity is high, the distance of km can be transferred to, have the title of " king through walls ".It can pass through multistory reinforced concrete walls, is the optimal wireless module doing Smart Home, wireless dish-order, industrial remote controller etc.Wireless network protocol adopts " password+IP address+frequency range " to draw unique network by certain algorithm, effectively reduces co-channel interference, with the interference of product, effectively prevents other people from usurping probability, increases network security.Monitor terminal mainly processes Password Input, and IP address sets, and timed task sets, and time synchronous processes some significant datas.
Wireless network software Protocol Design: data packing sends, and the form of bag is: frame head+IP address+password+data length+data+CRC test value.Frame head: be divided into Frame and instruction frame, length is all 1 byte; IP address: length is 2 bytes, must user oneself setting.Password: set by user oneself, length is 6 bytes; Data length: be namely transmission data amount check, account for a byte; Data: the longest can 32 bytes; CRC test value: CRC Examination region is the CRC test value that frame head+IP address+password+data length+data draw 2 bytes, and its multinomial is:
Wireless network adopts the mode of one master and multiple slaves to carry out networking, is collected the form of information, be in passive mode from machine by host computer polls from machine, by host assignment network sovereignty, and must releasing network after sending bag data from machine when what obtain network sovereignty; Mutually data can not be transmitted between machine.
Described Centralized Controller comprises governor circuit and self adaptation 10/100M ethernet interface circuit, and described governor circuit comprises ARM main control chip U3, and main control chip is provided with interface module, power filtering module, clock module, watchdog module and power module.The governor circuit of described Centralized Controller, by multiple peripheral module, can effectively ensure Centralized Controller stable operation, improve stability and the reliability of work.
Claims (6)
1. a business air conditioner wireless communication system Centralized Controller, it is characterized in that: comprise governor circuit and self adaptation 10/100M ethernet interface circuit, described governor circuit comprises ARM main control chip U3, and main control chip is provided with interface module, power filtering module, clock module, watchdog module and power module.
2. business air conditioner wireless communication system Centralized Controller as claimed in claim 1, it is characterized in that: described watchdog module comprises chip 706S type watchdog chip U4, 1 pin of described U4 is divided into two-way, the first via connects power supply through resistance R38, second tunnel connects 8 pin of U4 through resistance R32, 2 pin of chip U4 connect power supply, and this pin is parallel with filter capacitor C22, 3 pin of chip U4 and 4 pin ground connection, 5 pin of chip U4 are unsettled, 6 pin of chip U4 are divided into two-way, the first via is connected with the WDI pin of described main control chip U3, second tunnel is divided into two-way after resistance R42, the first via is connected with power supply, second tunnel is connected with the power output end of battery and the VBAT pin of main control chip U3 respectively after resistance R44, 7 pin of chip U4 are divided into three tunnels after resistance R39, the first via is connected with the NRST pin of main control chip U3, second tunnel connects power supply through resistance R41, 3rd tunnel is through electric capacity C23 ground connection.
3. business air conditioner wireless communication system Centralized Controller as claimed in claim 1, it is characterized in that: described governor circuit also comprises reference voltage input module, comprise inductance L 3-L4, one end of inductance L 4 is successively through electric capacity C40, be connected with one end of electric capacity C39 after resistance R47, the other end of electric capacity C39 is connected with the other end of inductance L 4, inductance L 4 connects power supply with the node of electric capacity C39, inductance L 4 connects power supply with the node of electric capacity C40, the node ground connection of electric capacity C39 and resistance R47, the node ground connection of electric capacity C40 and resistance R47, one termination inductance L 4 of inductance L 3 and the node of electric capacity C40, the VREF+ pin of another termination main control chip U3 of inductance L 3, VREF+ pin is parallel with filter capacitor C41, the VDDA pin of main control chip U3 connects the node of inductance L 3 and inductance L 4.
4. business air conditioner wireless communication system Centralized Controller as claimed in claim 1, it is characterized in that: described interface module comprises RS232 interface module, RS485 interface module and CAN interface module, 1 pin and 4 pin of connector DB9 are unsettled, 5 pin ground connection, 2 pin of connector DB9 are connected with the T2OUT pin of RS232 transceiver U8, 3 pin of connector DB9 are connected with the R2IN pin of RS232 transceiver U8, the T2IN pin of RS232 transceiver U8 is connected with the UART2TX pin of main control chip U3, the R2OUT pin of RS232 transceiver U8 is connected with the UART2RX pin of main control chip U3, 5 pin of connector DB9 are connected with the CANH pin of CAN chip U6 through resistance R49, 6 pin of connector DB9 are connected with the CANL pin of CAN chip U6 through resistance R48, the TXD pin of CAN chip U6 is connected with the CANTXD pin of main control chip U3, the RXD pin of CAN chip U6 is connected with the CANRXD pin of main control chip U3, 8 pin of connector DB9 are connected with the A pin of RS485 transceiver U7 through resistance R53, 7 pin of connector DB9 are connected with the B pin of RS485 transceiver U7 through resistance R52, the R0_RXD pin of RSS485 transceiver U7 is connected with the UART4RX pin of main control chip U3, the DI_TXD pin of RSS485 transceiver U7 is connected with the UART4TX pin of main control chip U3.
5. business air conditioner wireless communication system Centralized Controller as claimed in claim 1, it is characterized in that: described power module comprises rectifier bridge MB6S, power supply chip MC34063AD and LM1117MPX_3.3, the input of power supply is connected with the input of rectifier bridge MB6S, the cathode output end of rectifier bridge MB6S is divided into three tunnels after insurance F1, the first via is connected with one end of resistance R4, second tunnel is connected with 6 pin of power supply chip MC34063AD, the 3rd tunnel ground connection after diode D1; The other end of resistance R4 is connected with 1 pin of power supply chip MC34063AD, 7 pin and 8 pin respectively, electric capacity C6 and electric capacity C7 is connected in parallel between 6 pin of power supply chip MC34063AD and ground, the 4 pin ground connection of power supply chip MC34063AD, ground connection after the 3 foot meridian capacitor C8 of power supply chip MC34063AD, 2 pin of power supply chip MC34063AD are divided into two-way, the first via is through diode D2 ground connection, and the second tunnel is connected with one end of inductance L 1; The other end of inductance L 1 is divided into four tunnels, and the first via is ground connection after resistance R5, resistance R10 successively, and the second tunnel is through electric capacity C1 ground connection, and the 3rd tunnel is through electric capacity C2 ground connection, and the 4th tunnel is connected with 3 pin of power supply chip LM1117MPX_3.3; The 5 pin connecting resistance R5 of power supply chip MC34063AD and the node of resistance R10; The 1 pin ground connection of power supply chip LM1117MPX_3.3; Three tunnels are divided into after 2 pin of power supply chip LM1117MPX_3.3 and 4 pin merge, the first via is through electric capacity C4 ground connection, second tunnel is through electric capacity C3 ground connection, 3rd tunnel is ground connection after resistance R6 and light emitting diode D4 successively, and 2 pin of power supply chip LM1117MPX_3.3 and 4 pin are the power output end of described power module.
6. business air conditioner wireless communication system Centralized Controller as claimed in claim 1, it is characterized in that: described self adaptation 10/100M ethernet interface circuit comprises Ethernet chip U10, U10 uses DM9161AE, 1 pin of interface RJ1 connects the TX+ pin of chip U10,2 pin of interface RJ1 connect the TX-pin of chip U10,3 pin of interface RJ1 connect the RX+ pin of chip U10, be provided with resistance R14, resistance R15 and electric capacity C11 between 1 pin of interface RJ1 and 2 pin, between 2 pin of interface RJ1 and 3 pin, be provided with resistance R16, resistance R17 and electric capacity C12; 4 pin and 5 pin of interface RJ1 connect power supply, and 3 pin and 4 pin are parallel with filter capacitor C9; 6 pin of interface RJ1 connect the RX-pin of chip U10, and 7 pin of interface RJ1 are unsettled, the 8 pin ground connection of interface RJ1; 9 pin of interface RJ1 connect power supply through resistance R20, and 10 pin of interface RJ1 connect and are divided into two-way, and the first via connects the LINK/ACTLED/OP2 pin of chip U10, and the second tunnel connects power supply through resistance R37; 11 pin of interface RJ1 connect and are divided into two-way, and the first via connects the FDX/COLLED/OP0 pin of chip U10, and the second tunnel connects power supply through resistance R35; The SPEEDLED/OP1 pin of chip U10 connects power supply through resistance R36; The AVDD pin of chip U10 connects power supply, and this pin is parallel with electric capacity C13 and electric capacity C14; The REF_CLK/XT2 pin of described chip U10 is connected with crystal oscillator generator X3; Other pin of chip U10 is connected with the respective pins on Centralized Controller.
Priority Applications (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403146A (en) * | 2016-03-08 | 2017-02-15 | 惠州学院 | Commercial air conditioner wireless communication system |
| WO2019196465A1 (en) * | 2018-04-13 | 2019-10-17 | 珠海格力电器股份有限公司 | Networking method, device and system for air conditioning system, and signal transmission method and device |
| CN111503855A (en) * | 2020-04-29 | 2020-08-07 | 四川虹美智能科技有限公司 | Control system and control method of multi-split air conditioner |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1426703A1 (en) * | 2002-12-02 | 2004-06-09 | Lg Electronics Inc. | Central control system for controlling multiple air conditioners and method for operating the same |
| CN2634357Y (en) * | 2003-03-06 | 2004-08-18 | 深圳市和而泰电子科技有限公司 | Household air conditioner central controller |
| JP2011043306A (en) * | 2009-08-24 | 2011-03-03 | Shimizu Corp | Energy saving air conditioning control system |
| CN203732941U (en) * | 2013-11-12 | 2014-07-23 | 山东朗进科技股份有限公司 | Concentrated controller for rail transport vehicle air conditioners |
| CN104214906A (en) * | 2013-05-31 | 2014-12-17 | 深圳市富能新能源科技有限公司 | Air conditioner control system |
| CN104394069A (en) * | 2014-11-11 | 2015-03-04 | 东北大学 | Micro-grid data gateway device and data converting method |
| CN104949257A (en) * | 2014-03-26 | 2015-09-30 | 深圳市富能新能源科技有限公司 | Air-conditioner control system |
| CN205536371U (en) * | 2015-11-30 | 2016-08-31 | 惠州学院 | Commercial air conditioner centralized control ware for wireless communication system |
-
2015
- 2015-11-30 CN CN201510846612.7A patent/CN105444348B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1426703A1 (en) * | 2002-12-02 | 2004-06-09 | Lg Electronics Inc. | Central control system for controlling multiple air conditioners and method for operating the same |
| CN2634357Y (en) * | 2003-03-06 | 2004-08-18 | 深圳市和而泰电子科技有限公司 | Household air conditioner central controller |
| JP2011043306A (en) * | 2009-08-24 | 2011-03-03 | Shimizu Corp | Energy saving air conditioning control system |
| CN104214906A (en) * | 2013-05-31 | 2014-12-17 | 深圳市富能新能源科技有限公司 | Air conditioner control system |
| CN203732941U (en) * | 2013-11-12 | 2014-07-23 | 山东朗进科技股份有限公司 | Concentrated controller for rail transport vehicle air conditioners |
| CN104949257A (en) * | 2014-03-26 | 2015-09-30 | 深圳市富能新能源科技有限公司 | Air-conditioner control system |
| CN104394069A (en) * | 2014-11-11 | 2015-03-04 | 东北大学 | Micro-grid data gateway device and data converting method |
| CN205536371U (en) * | 2015-11-30 | 2016-08-31 | 惠州学院 | Commercial air conditioner centralized control ware for wireless communication system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403146A (en) * | 2016-03-08 | 2017-02-15 | 惠州学院 | Commercial air conditioner wireless communication system |
| WO2019196465A1 (en) * | 2018-04-13 | 2019-10-17 | 珠海格力电器股份有限公司 | Networking method, device and system for air conditioning system, and signal transmission method and device |
| CN111503855A (en) * | 2020-04-29 | 2020-08-07 | 四川虹美智能科技有限公司 | Control system and control method of multi-split air conditioner |
| CN111503855B (en) * | 2020-04-29 | 2021-06-29 | 四川虹美智能科技有限公司 | Control system and control method of multi-split air conditioner |
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