CN105444348B - Business air conditioner wireless communication system Centralized Controller - Google Patents
Business air conditioner wireless communication system Centralized Controller Download PDFInfo
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- CN105444348B CN105444348B CN201510846612.7A CN201510846612A CN105444348B CN 105444348 B CN105444348 B CN 105444348B CN 201510846612 A CN201510846612 A CN 201510846612A CN 105444348 B CN105444348 B CN 105444348B
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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 a kind of business air conditioner wireless communication system Centralized Controllers, are related to the engineering device technique field of communication control.The Centralized Controller includes governor circuit and adaptive 10/100M ethernet interface circuit, and the governor circuit includes ARM main control chip U3, and main control chip is equipped with interface module, power filtering module, clock module, watchdog module and power module.The Centralized Controller has the features such as the operation is stable, high reliablity.
Description
Technical field
The present invention relates to the engineering device technique fields of communication control more particularly to a kind of business air conditioner wireless communication system to collect
Middle controller.
Background technique
As central air-conditioning application is increasingly extensive, the desk-top mode of operation of conventional central airconditioning control, due to having to user
Higher operation requirement, it is general it is difficult to ensure that air-conditioning optimum operation and breakdown maintenance again must with dispatch officers the form gone on business into
Row, due to being unable to get accurate fault data in advance, increases maintenance time, low efficiency.Business air conditioner wireless communication system
It will use Centralized Controller, the Centralized Controller operation stability of the prior art is poor, and reliability is low.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of business air conditioner wireless communication system Centralized Controller, institutes
Stating Centralized Controller has the features such as the operation is stable, high reliablity.
In order to solve the above technical problems, the technical solution used in the present invention is: a kind of business air conditioner wireless communication system
With Centralized Controller, it is characterised in that: including governor circuit and adaptive 10/100M ethernet interface circuit, the master control electricity
Road includes ARM main control chip U3, main control chip be equipped with interface module, power filtering module, clock module, watchdog module and
Power module.
A further technical solution lies in: the watchdog module includes chip 706S type watchdog chip U4, the U4
1 foot be divided into two-way, the first via connects power supply through resistance R38, and the second tunnel connects 8 feet of U4 through resistance R32, and 2 feet of chip U4 connect electricity
Source, and filter capacitor C22 is parallel on the pin, 3 feet of chip U4 and 4 feet ground connection, 5 feet of chip U4 are hanging, and the 6 of chip U4
Foot is divided into two-way, and the first via is connect with the WDI pin of the main control chip U3, and the second tunnel is divided into two-way after resistance R42, and first
Road connects to power supply, and VBAT of second tunnel after resistance R44 respectively with the power output end of battery and main control chip U3 draws
Foot connection, 7 feet of chip U4 are divided into three tunnels after resistance R39, and the first via is connect with the NRST pin of main control chip U3, the second tunnel
Power supply is connect through resistance R41, third road is grounded through capacitor C23.
A further technical solution lies in: the governor circuit further includes reference voltage input module, including inductance L3-
L4, one end of inductance L4 are successively connect after capacitor C40, resistance R47 with one end of capacitor C39, the other end and electricity of capacitor C39
Feel the other end connection of L4, the node of inductance L4 and capacitor C39 connects power supply, and the node of inductance L4 and capacitor C40 connects power supply, capacitor
The node of C39 and resistance R47 is grounded, and the node of capacitor C40 and resistance R47 are grounded, a termination inductance L4 and capacitor of inductance L3
The node of C40, the VREF+ pin of another termination main control chip U3 of inductance L3 are parallel with filter capacitor C41 on VREF+ pin,
The VDDA pin of main control chip U3 connects the node of inductance L3 Yu inductance L4.
A further technical solution lies in: the interface module include RS232 interface module, RS485 interface module and
CAN interface module, 1 foot and 4 feet of connector DB9 is hanging, and 5 feet ground connection, 2 feet of connector DB9 are with RS232 transceiver U8's
The connection of T2OUT pin, 3 feet of connector DB9 are connect with the R2IN pin of RS232 transceiver U8, the T2IN of RS232 transceiver U8
Pin is connect with the UART2 TX pin of main control chip U3, and the R2OUT pin of RS232 transceiver U8 is with main control chip U3's
The connection of UART2 RX pin, 5 feet of connector DB9 are connect through resistance R49 with the CANH pin of CAN chip U6, connector DB9's
6 feet are connect through resistance R48 with the CANL pin of CAN chip U6, the TXD pin of CAN chip U6 and the CAN TXD of main control chip U3
Pin connection, the RXD pin of CAN chip U6 are connect with the CAN RXD pin of main control chip U3, and 8 feet of connector DB9 are through resistance
R53 is connect with the A pin of RS485 transceiver U7, and 7 feet of connector DB9 connect through the B pin of resistance R52 and RS485 transceiver U7
It connects, the R0_RXD pin of RS S485 transceiver U7 is connect with the UART4 RX pin of main control chip U3, RS S485 transceiver U7
DI_TXD pin connect with the UART4 TX pin of main control chip U3.
A further technical solution lies in: the power module include rectifier bridge MB6S, power supply chip MC34063AD and
The input terminal of LM1117MPX_3.3, power supply are connect with the input terminal of rectifier bridge MB6S, and the cathode output end of rectifier bridge MB6S is through protecting
It is divided into three tunnels after dangerous F1, the first via is connect with one end of resistance R4, and the second tunnel is connect with 6 feet of power supply chip MC34063AD, the
Three tunnels are grounded after diode D1；The other end of resistance R4 is connect with 1 foot of power supply chip MC34063AD, 7 feet and 8 feet respectively,
Capacitor C6 and capacitor C7 are connected in parallel between 6 feet of power supply chip MC34063AD and ground, and 4 feet of power supply chip MC34063AD connect
Ground is grounded after the 3 foot meridian capacitor C8 of power supply chip MC34063AD, and 2 feet of power supply chip MC34063AD are divided into two-way, the first via
It is grounded through diode D2, the second tunnel is connect with one end of inductance L1；The other end of inductance L1 is divided into four tunnels, and the first via is successively through electricity
It is grounded after resistance R5, resistance R10, the second tunnel is grounded through capacitor C1, and third road is grounded through capacitor C2, the 4th tunnel and power supply chip
3 feet of LM1117MPX_3.3 connect；The node of the 5 foot connecting resistance R5 and resistance R10 of power supply chip MC34063AD；Power supply chip
1 foot of LM1117MPX_3.3 is grounded；2 feet of power supply chip LM1117MPX_3.3 and 4 feet are divided into three tunnels, first via warp after merging
Capacitor C4 ground connection, the second tunnel are grounded through capacitor C3, and third road is successively grounded after resistance R6 and light emitting diode D4, power supply chip
2 feet and 4 feet of LM1117MPX_3.3 are the power output end of the power module.
A further technical solution lies in: the adaptive 10/100M ethernet interface circuit includes Ethernet chip
U10, U10 use DM9161AE, and 1 foot of interface RJ1 connects the TX+ pin of chip U10, and 2 feet of interface RJ1 meet the TX- of chip U10
Pin, 3 feet of interface RJ1 connect the RX+ pin of chip U10, and resistance R14, resistance R15 are equipped between 1 foot and 2 feet of interface RJ1
With capacitor C11, resistance R16, resistance R17 and capacitor C12 are equipped between 2 feet and 3 feet of interface RJ1；4 feet and 5 feet of interface RJ1
Power supply is connect, and is parallel with filter capacitor C9 on 3 feet and 4 feet；6 feet of interface RJ1 connect the RX- pin of chip U10, and the 7 of interface RJ1
Foot is hanging, the 8 feet ground connection of interface RJ1；9 feet of interface RJ1 connect power supply through resistance R20, and 10 feet of interface RJ1, which connect, is divided into two-way,
The first via connects the LINK/ACTLED/OP2 pin of chip U10, and the second tunnel connects power supply through resistance R37；11 feet of interface RJ1 connect point
For two-way, the first via connects the FDX/COLLED/OP0 pin of chip U10, and the second tunnel connects power supply through resistance R35；Chip U10's
SPEEDLED/OP1 pin connects power supply through resistance R36；The AVDD pin of chip U10 connects power supply, and is parallel with capacitor on the pin
C13 and capacitor C14；Crystal oscillator generator X3 is connected on the REF_CLK/XT2 pin of the chip U10；The other of chip U10 draw
Foot is connect with the respective pins on Centralized Controller.
The beneficial effects of adopting the technical scheme are that the Centralized Controller includes governor circuit and adaptive
Answer 10/100M ethernet interface circuit, the governor circuit includes ARM main control chip U3, main control chip be equipped with interface module,
Power filtering module, clock module, watchdog module and power module.The governor circuit of the Centralized Controller passes through a variety of outer
Boxing block can effectively ensure that Centralized Controller stable operation, improve the stability and reliability of work.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a kind of functional block 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 in Fig. 2 at A；
Fig. 4 is the enlarged drawing in Fig. 2 at B；
Fig. 5 is the enlarged drawing in Fig. 2 at C；
Fig. 6 is the enlarged drawing in Fig. 2 at D；
Fig. 7 is the enlarged drawing in Fig. 2 at E；
Fig. 8 is the enlarged drawing in Fig. 2 at F；
Fig. 9 is the interface module schematic diagram；
Figure 10-Figure 11 is the schematic diagram of the power module；
Figure 12-Figure 14 is the adaptive 10/100M ethernet interface circuit schematic diagram；
Figure 15 is the main control chip U2 schematic diagram in the wireless controller；
Figure 16 is the schematic diagram of connector SMD-25 in the wireless controller；
Figure 17-Figure 18 is the schematic diagram of half-duplex circuit in the wireless controller.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
As shown in Figure 1, being a kind of business air conditioner wireless communication system, including monitor terminal, Centralized Controller, wireless control
Device and wireless transport module are carried out between the monitor terminal and Centralized Controller by network interface on router or WIFI interface
Bidirectional data interaction, the wireless transport module are arranged on the outdoor unit of air-conditioning, the corresponding nothing of each group of air conditioner indoor unit
Lane controller, wireless controller are passed through by the carry out data interaction on serial ports and the air-conditioner outdoor unit, wireless transport module
Wireless network and wireless controller carry out data interaction, the operating parameter of air conditioner indoor unit and outdoor unit by wireless controller into
Row acquisition, above-mentioned parameter is passed sequentially through Centralized Controller by wireless controller, router be uploaded to monitor terminal carry out display and
Processing, monitor terminal, which passes sequentially through router, Centralized Controller and wireless controller, to reach air conditioner indoor unit under control command,
Air conditioner indoor unit controls air-conditioner outdoor unit operation.
The invention discloses a kind of business air conditioner wireless communication system Centralized Controller, the Centralized Controller includes master
Control circuit and adaptive 10/100M ethernet interface circuit.The governor circuit includes ARM main control chip U3, on main control chip
Equipped with interface module, power filtering module, clock module, watchdog module and power module, as shown in figs. 2-9.
It is mono- that the main control chip U3 of Centralized Controller governor circuit selects STM company to be based on 32 ARM of Cortex-M3 kernel
Piece machine STM32F107VB.Cortex-M3 kernel of the single-chip microcontroller using newest, the advanced framework of ARM, excellent real-time performance,
Outstanding power consumption control, outstanding and innovation peripheral hardware, maximum integrating are easy to develop, and product can be made to rapidly enter
Market.It is built-in 10/100M Ethernet MAC controller that STM32F107VB, which interconnects Series of MCU characteristic bright spot,
(MAC), support 10/100M adaptive, full duplex half-duplex is adaptive.
As shown in figure 8,1 foot that the watchdog module includes chip 706S type watchdog chip U4, the U4 is divided into two
Road, the first via connect power supply through resistance R38, and the second tunnel connects 8 feet of U4 through resistance R32, and 2 feet of chip U4 connect power supply, and the pin
On be parallel with filter capacitor C22,3 feet of chip U4 and 4 feet ground connection, 5 feet of chip U4 are hanging, and 6 feet of chip U4 are divided into two-way,
The first via is connect with the WDI pin of the main control chip U3, and the second tunnel is divided into two-way after resistance R42, and the first via and power supply connect
It connects, the second tunnel is connect with the VBAT pin of the power output end of battery and main control chip U3 respectively after resistance R44, chip
7 feet of U4 are divided into three tunnels after resistance R39, and the first via is connect with the NRST pin of main control chip U3, and the second tunnel connects through resistance R41
Power supply, third road are grounded through capacitor C23.
As shown in figure 5, the governor circuit further includes reference voltage input module, including inductance L3-L4, the one of inductance L4
End is successively connect after capacitor C40, resistance R47 with one end of capacitor C39, the other end of capacitor C39 and the other end of inductance L4
The node of connection, inductance L4 and capacitor C39 connect power supply, and the node of inductance L4 and capacitor C40 meets power supply, capacitor C39 and resistance R47
Node ground connection, the node of capacitor C40 and resistance R47 is grounded, and the node of termination an inductance L4 and capacitor C40 of inductance L3 is electric
Feel the VREF+ pin of another termination main control chip U3 of L3, is parallel with filter capacitor C41 on VREF+ pin, main control chip U3's
VDDA pin connects the node of inductance L3 Yu inductance L4.
As shown in figure 9, the interface module includes RS232 interface module, RS485 interface module and CAN interface module,
1 foot and 4 feet of connector DB9 is hanging, and 5 feet ground connection, 2 feet of connector DB9 are connect with the T2OUT pin of RS232 transceiver U8,
3 feet of connector DB9 are connect with the R2IN pin of RS232 transceiver U8, the T2IN pin and main control chip of RS232 transceiver U8
The UART2 TX pin of U3 connects, and the R2OUT pin of RS232 transceiver U8 is connect with the UART2 RX pin of main control chip U3,
5 feet of connector DB9 are connect through resistance R49 with the CANH pin of CAN chip U6, and 6 feet of connector DB9 are through resistance R48 and CAN
The CANL pin of chip U6 connects, and the TXD pin of CAN chip U6 is connect with the CAN TXD pin of main control chip U3, CAN chip
The RXD pin of U6 is connect with the CAN RXD pin of main control chip U3, and 8 feet of connector DB9 are through resistance R53 and RS485 transceiver
The A pin of U7 connects, and 7 feet of connector DB9 are connect through resistance R52 with the B pin of RS485 transceiver U7, RS S485 transceiver
The R0_RXD pin of U7 is connect with the UART4 RX pin of main control chip U3, the DI_TXD pin of RS S485 transceiver U7 and master
Control the UART4 TX pin connection of chip U3.
As shown in figs. 10-11, the power module include rectifier bridge MB6S, power supply chip MC34063AD and
The input terminal of LM1117MPX_3.3, power supply are connect with the input terminal of rectifier bridge MB6S, and the cathode output end of rectifier bridge MB6S is through protecting
It is divided into three tunnels after dangerous F1, the first via is connect with one end of resistance R4, and the second tunnel is connect with 6 feet of power supply chip MC34063AD, the
Three tunnels are grounded after diode D1；The other end of resistance R4 is connect with 1 foot of power supply chip MC34063AD, 7 feet and 8 feet respectively,
Capacitor C6 and capacitor C7 are connected in parallel between 6 feet of power supply chip MC34063AD and ground, and 4 feet of power supply chip MC34063AD connect
Ground is grounded after the 3 foot meridian capacitor C8 of power supply chip MC34063AD, and 2 feet of power supply chip MC34063AD are divided into two-way, the first via
It is grounded through diode D2, the second tunnel is connect with one end of inductance L1；The other end of inductance L1 is divided into four tunnels, and the first via is successively through electricity
It is grounded after resistance R5, resistance R10, the second tunnel is grounded through capacitor C1, and third road is grounded through capacitor C2, the 4th tunnel and power supply chip
3 feet of LM1117MPX_3.3 connect；The node of the 5 foot connecting resistance R5 and resistance R10 of power supply chip MC34063AD；Power supply chip
1 foot of LM1117MPX_3.3 is grounded；2 feet of power supply chip LM1117MPX_3.3 and 4 feet are divided into three tunnels, first via warp after merging
Capacitor C4 ground connection, the second tunnel are grounded through capacitor C3, and third road is successively grounded after resistance R6 and light emitting diode D4, power supply chip
2 feet and 4 feet of LM1117MPX_3.3 are the power output end of the power module.
As shown in figs. 12-14, the adaptive 10/100M ethernet interface circuit includes Ethernet chip U10, and U10 makes
With DM9161AE, 1 foot of interface RJ1 connects the TX+ pin of chip U10, and 2 feet of interface RJ1 connect the TX- pin of chip U10, interface
3 feet of RJ1 connect the RX+ pin of chip U10, and resistance R14, resistance R15 and capacitor C11 are equipped between 1 foot and 2 feet of interface RJ1,
Resistance R16, resistance R17 and capacitor C12 are equipped between 2 feet and 3 feet of interface RJ1；4 feet and 5 feet of interface RJ1 connect power supply, and 3
Filter capacitor C9 is parallel on foot and 4 feet；6 feet of interface RJ1 connect the RX- pin of chip U10, and 7 feet of interface RJ1 are hanging, connect
The 8 feet ground connection of mouth RJ1；9 feet of interface RJ1 connect power supply through resistance R20, and 10 feet of interface RJ1, which connect, is divided into two-way, and the first via connects core
The LINK/ACTLED/OP2 pin of piece U10, the second tunnel connect power supply through resistance R37；11 feet of interface RJ1, which connect, is divided into two-way, and first
Road connects the FDX/COLLED/OP0 pin of chip U10, and the second tunnel connects power supply through resistance R35；The SPEEDLED/OP1 of chip U10 draws
Foot connects power supply through resistance R36；The AVDD pin of chip U10 connects power supply, and capacitor C13 and capacitor C14 are parallel on the pin；Institute
It states and is connected with crystal oscillator generator X3 on the REF_CLK/XT2 pin of chip U10；The other pins and Centralized Controller of chip U10
On respective pins connection.
As shown in figures 15-18, the wireless controller includes main control chip U2, connector SMD-25 and half-duplex circuit,
The U2 uses STM8S103Fx/TSSOP20 type processor, and the control chip U2 passes through connection SMD-25 and half-duplex electricity
Road connection.
As shown in figs. 17-18, the half-duplex circuit includes wirelessly transferred chip U1, and U1 uses SI4432, the chip
1 foot and 12 feet of U1 connects to power supply；2 feet of chip U1 are divided into two-way, and the first via is connected to power supply through inductance LC1, capacitor C1,
Capacitor C2 and capacitor C3 is connected in parallel on the input terminal of power supply, and the second tunnel is connect with one end of capacitor C0, and the other end of capacitor C0 is through dividing
For two-way, the first via is successively grounded after capacitor CHM, resistance RHM, and 3 feet of the second tunnel and duplexer chip UPG2214TK connect
It connects；3 feet of wirelessly transferred chip U1 are divided into two-way, and the first via is followed by 4 feet of wirelessly transferred chip U1, the second tunnel through inductance LR1
It is connect respectively with 1 foot of one end of inductance LR2 and switch chip UPG2214TK after capacitor CR1, the other end of inductance LR2
Respectively with 4 feet of one end of capacitor CR2 and wirelessly transferred chip U1, the other end of capacitor CR2 is grounded, switch chip
Filter capacitor C12 is parallel on 1 foot of UPG2214TK；The 4 foot meridian capacitor C10 of switch chip UPG2214TK are grounded, switch core
5 feet of piece UPG2214TK are connect after inductance LM1 with antenna ANT, and capacitor CM2 is connected in parallel on 5 feet of the UPG2214TK, are opened
Close the 6 foot meridian capacitor C9 ground connection of chip UPG2214TK；5 feet and 9 feet of switch chip UPG2214TK are hanging, switch chip
7 feet and 8 feet of UPG2214TK are program input pin, and 18 feet of the switch chip UPG2214TK connect crystal oscillator generation module,
Respective pins connection on other pins of the switch chip UPG2214TK and the main control chip of wireless module.
SI4432 only plays signal transmitting effect in wireless network, does not have the function of data processing, so also adding one
A single-chip microcontroller goes processing data, the single-chip microcontroller that a kernel that the STM company of selection here goes out is STM8, model STM8S103F,
This single-chip microcontroller has small in size, and performance is stablized, strong antijamming capability, and safety, processing speed is fast, the abundant equal spies of Peripheral Interface
Point.
Wireless network is using 915M frequency range, with high performance Silicon Labs EZRadioPRO series ISM frequency
Section wireless chip SI4432, such chip receiving sensitivity can arrive -121dbm, and because its transmission power is big, receiving sensitivity is high,
The title of " king through walls " can be known as transmission to thousands of meters of distance.It can pass through multistory reinforced concrete walls, be to do intelligent family
The optimal wireless module of residence, wireless dish-order, industrial remote controller etc..Wireless network protocol is passed through using " password+IP address+frequency range "
Certain algorithm obtains unique network, efficiently reduces co-channel interference, with the interference of product, effectively prevent other people to usurp several
Rate increases network security.Monitor terminal mainly handles Password Input, IP address setting, and timed task is set, the synchronization of time,
Handle some significant datas.
Wireless network software Protocol Design: data transmit, the format of packet are as follows: frame head+IP address+password+data are long
Degree+data+CRC check value.Frame head: being divided into data frame and command frame, and length is all 1 byte；IP address: length is 2 words
Section, must user oneself setting.Password: being set by user oneself, and length is 6 bytes；Data length: being transmission data
Number, accounts for a byte；Data: longest can be with 32 bytes；CRC check value: CRC check region be frame head+IP address+password+
Data length+data obtain the CRC check value of 2 bytes, multinomial are as follows:
Wireless network carries out networking by the way of one master and multiple slaves, and the form of information, slave are collected by host computer polls slave
In passive mode, by host assignment network sovereignty, when the slave for obtaining network sovereignty must be released after having sent a bag data
Put network；Data cannot be mutually transmitted between slave.
The Centralized Controller includes governor circuit and adaptive 10/100M ethernet interface circuit, the governor circuit
Including ARM main control chip U3, main control chip is equipped with interface module, power filtering module, clock module, watchdog module and electricity
Source module.The governor circuit of the Centralized Controller can effectively ensure that Centralized Controller stable operation by a variety of peripheral modules,
Improve the stability and reliability of work.
Claims (4)
1. a kind of business air conditioner wireless communication system Centralized Controller, it is characterised in that: including governor circuit and adaptive 10/
100M ethernet interface circuit, the governor circuit include ARM main control chip U3 and reference voltage input module, on main control chip
Equipped with interface module, power filtering module, clock module, watchdog module and power module；Watchdog module includes chip
1 foot of 706S type watchdog chip U4, the U4 are divided into two-way, and the first via connects power supply through resistance R38, and the second tunnel is through resistance R32
8 feet of U4 are connect, 2 feet of chip U4 connect power supply, and filter capacitor C22 is parallel on 2 feet of chip U4,3 feet and 4 feet of chip U4
Ground connection, 5 feet of chip U4 are hanging, and 6 feet of chip U4 are divided into two-way, and the first via is connect with the WDI pin of the main control chip U3,
Second tunnel is divided into two-way after resistance R42, and the first via connects to power supply, the second tunnel after resistance R44 respectively with the electricity of battery
The connection of the VBAT pin of source output terminal and main control chip U3,7 feet of chip U4 are divided into three tunnels after resistance R39, the first via with
The NRST pin of main control chip U3 connects, and the second tunnel connects power supply through resistance R41, and third road is grounded through capacitor C23, the master control electricity
Road further includes reference voltage input module, including inductance L3-L4, one end of inductance L4 successively after capacitor C40, resistance R47 with
One end of capacitor C39 connects, and the other end of capacitor C39 is connect with the other end of inductance L4, and inductance L4 and the node of capacitor C39 connect
The node of power supply, inductance L4 and capacitor C40 meet power supply, the node ground connection of capacitor C39 and resistance R47, capacitor C40 and resistance R47
Node ground connection, inductance L3 one termination inductance L4 and capacitor C40 node, another termination main control chip U3's of inductance L3
VREF+ pin, filter capacitor C41 is parallel on VREF+ pin, and the VDDA pin of main control chip U3 connects inductance L3's and inductance L4
Node；Reference voltage input module includes inductance L3-L4, one end of inductance L4 successively after capacitor C40, resistance R47 with capacitor
One end of C39 connects, and the other end of capacitor C39 is connect with the other end of inductance L4, and the node of inductance L4 and capacitor C39 connect electricity
The node of source, inductance L4 and capacitor C40 connect power supply, and the node of capacitor C39 and resistance R47 is grounded, capacitor C40 and resistance R47's
Node ground connection, the node of termination an inductance L4 and capacitor C40 of inductance L3, the VREF of another termination main control chip U3 of inductance L3
+ pin is parallel with filter capacitor C41 on VREF+ pin, and the VDDA pin of main control chip U3 connects the knot of inductance L3 Yu inductance L4
Point.
2. business air conditioner wireless communication system Centralized Controller as described in claim 1, it is characterised in that: the interface mould
Block includes RS232 interface module, RS485 interface module and CAN interface module, and 1 foot and 4 feet of connector DB9 is hanging, 5 feet
Ground connection, 2 feet of connector DB9 are connect with the T2OUT pin of RS232 transceiver U8,3 feet and RS232 transceiver of connector DB9
The R2IN pin of U8 connects, and the T2IN pin of RS232 transceiver U8 is connect with the UART2TX pin of main control chip U3, and RS232 is received
The R2OUT pin of hair device U8 is connect with the UART2RX pin of main control chip U3, and 5 feet of connector DB9 are through resistance R49 and CAN core
The CANH pin of piece U6 connects, and 6 feet of connector DB9 are connect through resistance R48 with the CANL pin of CAN chip U6, CAN chip U6
TXD pin connect with the CAN TXD pin of main control chip U3, the CAN of the RXD pin of CAN chip U6 and main control chip U3
The connection of RXD pin, 8 feet of connector DB9 are connect through resistance R53 with the A pin of RS485 transceiver U7,7 feet of connector DB9
It is connect through resistance R52 with the B pin of RS485 transceiver U7, the R0_RXD pin of RS S485 transceiver U7 is with main control chip U3's
The connection of UART4RX pin, the DI_TXD pin of RS S485 transceiver U7 are connect with the UART4TX pin of main control chip U3.
3. business air conditioner wireless communication system Centralized Controller as described in claim 1, it is characterised in that: the power supply mould
Block includes rectifier bridge MB6S, power supply chip MC34063AD and LM1117MPX_3.3, and the input terminal of power supply is with rectifier bridge MB6S's
Input terminal connection, the cathode output end of rectifier bridge MB6S are divided into three tunnels after insuring F1, and the first via is connect with one end of resistance R4,
Second tunnel is connect with 6 feet of power supply chip MC34063AD, and third road is grounded after diode D1；The other end of resistance R4 is distinguished
It is connect with 1 foot of power supply chip MC34063AD, 7 feet and 8 feet, capacitor C6 and capacitor C7 are connected in parallel on power supply chip MC34063AD's
Between 6 feet and ground, 4 feet of power supply chip MC34063AD are grounded, and are grounded after the 3 foot meridian capacitor C8 of power supply chip MC34063AD,
2 feet of power supply chip MC34063AD are divided into two-way, and the first via is grounded through diode D2, and the second tunnel is connect with one end of inductance L1；
The other end of inductance L1 is divided into four tunnels, and the first via is successively grounded after resistance R5, resistance R10, and the second tunnel is grounded through capacitor C1, the
Three tunnels are grounded through capacitor C2, and the 4th tunnel is connect with 3 feet of power supply chip LM1117MPX_3.3；The 5 of power supply chip MC34063AD
The node of foot connecting resistance R5 and resistance R10；1 foot of power supply chip LM1117MPX_3.3 is grounded；Power supply chip LM1117MPX_
3.3 2 feet and 4 feet are divided into three tunnels after merging, and the first via is grounded through capacitor C4, and the second tunnel is grounded through capacitor C3, and third road is successively
It is grounded after resistance R6 and light emitting diode D4,2 feet and 4 feet of power supply chip LM1117MPX_3.3 are the power module
Power output end.
4. business air conditioner wireless communication system Centralized Controller as described in claim 1, it is characterised in that: described adaptive
10/100M ethernet interface circuit includes Ethernet chip U10, and U10 uses DM9161AE, and 1 foot of interface RJ1 meets chip U10
TX+ pin, 2 feet of interface RJ1 connect the TX- pin of chip U10, and 3 feet of interface RJ1 connect the RX+ pin of chip U10, interface
It is equipped with resistance R14, resistance R15 and capacitor C11 between 1 foot and 2 feet of RJ1, resistance is equipped between 2 feet and 3 feet of interface RJ1
R16, resistance R17 and capacitor C12；4 feet and 5 feet of interface RJ1 connect power supply, and are parallel with filter capacitor C9 on 3 feet and 4 feet；It connects
6 feet of mouth RJ1 connect the RX- pin of chip U10, and 7 feet of interface RJ1 are hanging, the 8 feet ground connection of interface RJ1；9 feet of interface RJ1 pass through
Resistance R20 connects power supply, and 10 feet of interface RJ1, which connect, is divided into two-way, and the first via connects the LINK/ACTLED/OP2 pin of chip U10, the
Two tunnels connect power supply through resistance R37；11 feet of interface RJ1, which connect, is divided into two-way, and the FDX/COLLED/OP0 that the first via meets chip U10 draws
Foot, the second tunnel connect power supply through resistance R35；The SPEEDLED/OP1 pin of chip U10 connects power supply through resistance R36；Chip U10's
AVDD pin connects power supply, and capacitor C13 and capacitor C14 are parallel on the pin；The REF_CLK/XT2 pin of the chip U10
On be connected with crystal oscillator generator X3；Other pins of chip U10 are connect with the respective pins on Centralized Controller.
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| CN106403146A (en) * | 2016-03-08 | 2017-02-15 | 惠州学院 | Commercial air conditioner wireless communication system |
| CN108551414B (en) * | 2018-04-13 | 2020-10-02 | 珠海格力电器股份有限公司 | Networking method, device and system of air conditioning system, and signal transmission method and device |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040048186A (en) * | 2002-12-02 | 2004-06-07 | 엘지전자 주식회사 | Multi air conditioner's central controlling system and its operating method |
| 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 |
| 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 |
-
2015
- 2015-11-30 CN CN201510846612.7A patent/CN105444348B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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