CN106545955B - Communication relay device and method and air conditioner - Google Patents
Communication relay device and method and air conditioner Download PDFInfo
- Publication number
- CN106545955B CN106545955B CN201610882829.8A CN201610882829A CN106545955B CN 106545955 B CN106545955 B CN 106545955B CN 201610882829 A CN201610882829 A CN 201610882829A CN 106545955 B CN106545955 B CN 106545955B
- Authority
- CN
- China
- Prior art keywords
- communication
- port
- unit
- indoor unit
- outdoor unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004891 communication Methods 0.000 title claims abstract description 311
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 84
- 238000009434 installation Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
- Small-Scale Networks (AREA)
Abstract
The invention discloses a communication relay device, a communication relay method and an air conditioner. Wherein, the device includes: the system comprises a main control chip, an internal machine communication module and an external machine communication module; the indoor unit communication module is connected with the outdoor unit through a communication line; the outdoor unit communication module is connected with the indoor unit communication module and is connected with the indoor unit through a communication line; and the main control chip is connected with the inner machine communication module and the outer machine communication module and is used for establishing a data transmission channel between the outdoor machine and the indoor machine by controlling the inner machine communication module and the outer machine communication module. According to the invention, a plurality of communication relay devices can be used in a cascade manner, so that long-distance communication between the variable-frequency indoor and outdoor units of the air conditioner is flexibly realized, the reliability of the long-distance communication is ensured, and the installation of the ultra-long connecting pipe of the indoor and outdoor units can be realized.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a communication relay device, a communication relay method and an air conditioner.
Background
The current loop communication mode of the zero line is adopted by most of the communication between the internal machine and the external machine of the domestic variable frequency split air conditioner which is mainstream in the market at present. Fig. 1 is a structural diagram of an air conditioner communication system according to the related art, and as shown in fig. 1, a variable frequency internal unit and a variable frequency external unit are connected by three lines, namely, a live line (AC-L), a neutral line (AC-N) and a communication line (COM). Fig. 2 is a structural view of a communication loop between an internal and external machine according to the related art, and as shown in fig. 2, the communication loop is a current loop formed by a communication line (COM) and a neutral line (AC-N). Fig. 3 is a schematic diagram of a communication loop circuit between an external unit and an internal unit according to the related art, and as shown in fig. 3, the communication loop circuit schematic diagram is composed of an external unit communication circuit and an internal unit communication circuit, wherein the external unit communication circuit includes a 56V communication power supply, a communication receiving optocoupler U1 and a communication transmitting optocoupler U2, and the internal unit communication circuit includes a communication receiving optocoupler U3 and a communication transmitting optocoupler U4. The communication mode reuses the zero line of power supply of the internal and external machines, realizes data interaction of the internal and external machines by only additionally adding one communication line, and has the advantages of low cost, simple electrical connection and convenient after-sale installation.
However, the above communication method has a disadvantage that when the communication distance exceeds a certain range, the communication waveform is seriously distorted, and the long-distance reliable communication cannot be realized, which limits the installation distance of the internal and external devices in the actual use process. And when other communication transfer equipment is used for long-distance communication, the problem of software delay exists.
Aiming at the problem that the long-distance communication effect of the air conditioner inside and outside is not ideal in the prior art, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the invention provides a communication relay device, a communication relay method and an air conditioner, and aims to solve the problem that the long-distance communication effect of an air conditioner inside and outside is not ideal in the prior art.
In order to solve the above technical problem, the present invention provides a communication relay apparatus, including: the system comprises a main control chip, an internal machine communication module and an external machine communication module; the indoor unit communication module is connected with the outdoor unit through a communication line; the outdoor unit communication module is connected with the indoor unit communication module and is connected with the indoor unit through a communication line; the main control chip is connected with the inner unit communication module and the outer unit communication module and used for establishing a data transmission channel between the outdoor unit and the indoor unit by controlling the inner unit communication module and the outer unit communication module.
Further, the indoor unit communication module comprises a first indoor unit communication port and a second indoor unit communication port, and the outdoor unit communication module comprises a first outdoor unit communication port and a second outdoor unit communication port; the first indoor unit communication port is connected with the first outdoor unit communication port to form an outdoor unit-indoor unit data transmission channel; the second indoor unit communication port is connected with the second outdoor unit communication port to form an indoor unit-outdoor unit data transmission channel.
Furthermore, the main control chip comprises a first port and a second port, the first port controls the opening and closing of the outdoor unit-indoor unit data transmission channel, and the second port controls the opening and closing of the indoor unit-outdoor unit data transmission channel.
Further, when the first port is set as an output port and outputs a high level, the outdoor unit-indoor unit data transmission channel is opened; otherwise, the outdoor unit-indoor unit data transmission channel is closed; when the second port is set as an output port and outputs a high level, the indoor unit-outdoor unit data transmission channel is opened; otherwise, the indoor unit-outdoor unit data transmission channel is closed.
Further, the communication relay apparatus further includes: and the power supply module is used for supplying power to the main control chip, the internal machine communication module and the external machine communication module.
The present invention also provides an air conditioner, comprising: an outdoor unit, an indoor unit, and one or more of the above communication relay devices; wherein the one or more communication relay devices are wired in series between the outdoor unit and the indoor unit.
The invention also provides a communication relay method, wherein the method comprises the following steps: establishing a data transmission channel between an outdoor unit and an indoor unit through a communication relay device; and carrying out data communication between the outdoor unit and the indoor unit through the data transmission channel.
Further, establishing a data transmission channel between the outdoor unit and the indoor unit through the communication relay device includes: an outdoor unit-indoor unit data transmission channel and an indoor unit-outdoor unit data transmission channel are established between the indoor unit communication module and the outdoor unit communication module under the control of the main control chip; the communication relay device comprises a main control chip, an inner unit communication module and an outer unit communication module, wherein the inner unit communication module is connected with the outdoor unit, and the outer unit communication module is connected with the indoor unit.
Further, the method for establishing the outdoor unit-indoor unit data transmission channel and the indoor unit-outdoor unit data transmission channel between the indoor unit communication module and the outdoor unit communication module through the main control chip comprises the following steps: setting a first port of a main control chip as an output port and a second port as an input port, and controlling a first indoor unit communication port and a first outdoor unit communication port to form the outdoor unit-indoor unit data transmission channel; setting a second port of the main control chip as an output port, setting a first port as an input port, and controlling a second indoor unit communication port and a second outdoor unit communication port to form the indoor unit-outdoor unit data transmission channel; the indoor unit communication module comprises a first indoor unit communication port and a second indoor unit communication port, and the outdoor unit communication module comprises a first outdoor unit communication port and a second outdoor unit communication port.
Furthermore, the number of the communication relay devices is one or more, and the one or more communication relay devices are connected between the outdoor unit and the indoor unit in a wired manner in series.
The present invention also provides a communication relay apparatus, wherein the apparatus comprises: the channel establishing module is used for establishing a data transmission channel between the outdoor unit and the indoor unit; and the communication module is used for carrying out data communication between the outdoor unit and the indoor unit through the data transmission channel.
Further, the channel establishing module is specifically configured to establish an outdoor unit-indoor unit data transmission channel and an indoor unit-outdoor unit data transmission channel between the indoor unit communication module and the outdoor unit communication module under the control of the main control chip.
Further, the channel establishing module comprises: the first establishing unit is used for setting a first port of the main control chip as an output port and setting a second port as an input port, and controlling a first inner machine communication port of the inner machine communication module and a first outer machine communication port of the outer machine communication module to form the outdoor machine-indoor machine data transmission channel; and the second establishing unit is used for setting the second port of the main control chip as an output port and setting the first port as an input port, and controlling a second inner machine communication port of the inner machine communication module and a second outer machine communication port of the outer machine communication module to form the indoor machine-outdoor machine data transmission channel.
By applying the technical scheme of the invention, a plurality of communication relay devices can be used in a cascade manner, so that long-distance communication between the variable-frequency indoor and outdoor units of the air conditioner is flexibly realized, the reliability of the long-distance communication is ensured, and the installation of an ultra-long connecting pipe of the indoor and outdoor units can be realized.
Drawings
Fig. 1 is a structural view of an air conditioner communication system according to the related art;
fig. 2 is a view illustrating a communication loop of an internal and external machine according to the related art;
fig. 3 is a circuit diagram of a communication loop between an internal and external machine according to the related art;
fig. 4 is a block diagram of a communication relay apparatus according to an embodiment of the present invention;
fig. 5 is a block diagram of a preferred configuration of a communication relay apparatus according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a communication circuit of the communication relay apparatus according to the embodiment of the present invention;
fig. 7 is a block diagram of an air conditioner according to an embodiment of the present invention;
fig. 8 is a flowchart of a communication relaying method according to an embodiment of the present invention;
fig. 9 is a control flow chart of a communication relay apparatus according to an embodiment of the present invention;
fig. 10 is a block diagram of a communication relay apparatus according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and the examples, but without limiting the invention.
Example one
Fig. 4 is a block diagram of a communication relay apparatus according to an embodiment of the present invention, and as shown in fig. 4, the communication relay apparatus includes: the system comprises a main control chip, an internal machine communication module and an external machine communication module; the indoor unit communication module is connected with the outdoor unit through a communication line COM-A; the outdoor unit communication module is connected with the indoor unit communication module and is connected with the indoor unit through a communication line COM-B; and the main control chip is connected with the inner machine communication module and the outer machine communication module and is used for establishing a data transmission channel between the outdoor machine and the indoor machine by controlling the inner machine communication module and the outer machine communication module.
The indoor unit communication module comprises a first indoor unit communication port RX1 and a second indoor unit communication port TX1, and the outdoor unit communication module comprises a first outdoor unit communication port TX2 and a second outdoor unit communication port RX 2; the first indoor unit communication port RX1 is connected with the first outdoor unit communication port TX2 to form an outdoor unit-indoor unit data transmission channel; the second indoor unit communication port TX1 is connected to the second outdoor unit communication port RX2 to form an indoor unit-outdoor unit data transmission channel.
The main control chip comprises a first port UART2-RX and a second port UART1-RX, the opening and closing of the outdoor unit-indoor unit data transmission channel is controlled through the first port UART2-RX, and the opening and closing of the indoor unit-outdoor unit data transmission channel is controlled through the second port UART 1-RX.
The master control chip manages the communication transceiving channel according to the state of the communication data of the indoor unit and the outdoor unit, and does not directly participate in receiving and forwarding the communication data of the indoor unit and the outdoor unit, so that the communication relay function without software delay is realized.
The specific implementation manner of opening and closing the data transmission channel is as follows: when the first port UART2-RX is set as an output port and outputs a high level, the data transmission channel of the outdoor unit-indoor unit is opened; otherwise, the outdoor unit-indoor unit data transmission channel is closed; when the second port UART1-RX is set as an output port and outputs a high level, a data transmission channel of the indoor unit and the outdoor unit is opened; otherwise, the indoor unit-outdoor unit data transmission channel is closed.
Fig. 5 is a block diagram of a preferred structure of a communication relay apparatus according to an embodiment of the present invention, and as shown in fig. 5, the communication relay apparatus further includes: and the power supply module is used for supplying power to the main control chip, the inner machine communication module and the outer machine communication module. The power supply module is connected with a zero-live wire (AC-N, AC-L) of an indoor and outdoor unit connecting wire, 56V is output by the power supply module to supply power to the outdoor unit communication module, and 3.3V is output to supply power to the main control chip.
Fig. 6 is a schematic diagram of a communication circuit of the communication relay apparatus according to the embodiment of the present invention, as shown in fig. 6, a receiving terminal RX1 of the indoor unit communication module is directly connected to a transmitting terminal TX2 of the outdoor unit communication module; the receiving end RX2 of the external unit communication module is directly connected with the transmitting end TX1 of the internal unit communication module.
Fig. 7 is a block diagram of an air conditioner according to an embodiment of the present invention, and as shown in fig. 7, the air conditioner includes an outdoor unit (variable frequency outdoor unit), an indoor unit (variable frequency indoor unit), and one or more communication relay devices; wherein, one or more communication relay devices are connected between the outdoor unit and the indoor unit in series by wire. The communication relay device is connected in series in the connecting line of the indoor unit and the outdoor unit, and one or more relays can be connected in series for reliable communication at two or more times of standard distance according to the requirement of communication distance.
Example two
Fig. 8 is a flowchart of a communication relaying method according to an embodiment of the present invention, as shown in fig. 8, the method includes the following steps (steps S801 to S802):
step S801, establishing a data transmission channel between an outdoor unit and an indoor unit through a communication relay device;
step S802, data communication between the outdoor unit and the indoor unit is performed through the data transmission channel.
Through this embodiment, communication relay can a plurality of cascades the use, installs between the indoor outer machine to realize the long distance communication between the air conditioner frequency conversion indoor outer machine in a flexible way, guarantee the reliability of long distance communication, can also realize the overlength connecting pipe installation of indoor outer machine.
The communication relay device in this embodiment includes a main control chip, an inner unit communication module and an outer unit communication module, the inner unit communication module is connected with an outer unit, and the outer unit communication module is connected with an inner unit. The inner machine communication module comprises a first inner machine communication port and a second inner machine communication port, and the outer machine communication module comprises a first outer machine communication port and a second outer machine communication port.
In step S801, a data transmission channel between the outdoor unit and the indoor unit is established through the communication relay device, which may be implemented by the following preferred embodiments: and an outdoor unit-indoor unit data transmission channel and an indoor unit-outdoor unit data transmission channel are established between the indoor unit communication module and the outdoor unit communication module under the control of the main control chip. Therefore, long-distance data transmission between the indoor unit and the outdoor unit is realized.
Specifically, a first port of the main control chip is set as an output port, a second port is set as an input port, and an outdoor unit-indoor unit data transmission channel is formed between a first indoor unit communication port and a first outdoor unit communication port; and setting the second port of the main control chip as an output port, setting the first port as an input port, and controlling an indoor unit-outdoor unit data transmission channel to be formed between the second indoor unit communication port and the second outdoor unit communication port. Through the preferred embodiment, long-distance data transmission between the indoor unit and the outdoor unit can be ensured, and the problem of software delay is avoided.
It should be noted that, in this embodiment, one or more communication relay devices may be provided, and one or more communication relay devices are wired in series between the outdoor unit and the indoor unit.
EXAMPLE III
Fig. 9 is a control flow chart of the communication relay apparatus according to the embodiment of the present invention, and as shown in fig. 9, the flow chart includes the following steps (step S901 to step S907):
step S901, the communication relay module is powered on, the main control chip is powered on, and program initialization setting is performed.
Step S902, the serial communication port UART2-RX of the main control chip is set as a common output port, outputs a high level, opens a channel of an internal communication module of the communication relay device, waits for transmission of communication data of the outdoor unit (communication host), and the transmission path of the communication data is: outdoor unit (communication host machine) → indoor unit communication module → outdoor unit communication module → indoor unit;
in step S903, the serial communication port UART1-RX of the main control chip is set as a serial input port (in a high impedance state), and monitors data sent by the outdoor unit to the channel.
Step S904, determining whether transmission of the communication packet of the outdoor unit is completed; if yes, step S905 is performed, and if no, step S903 is performed.
Step S905, after monitoring that the transmission of the data packet of the outdoor unit is completed, closing a receiving channel communicating with the outdoor unit.
A serial communication port UART1-RX of the main control chip is set as an output port and is set to 1 in parallel, so that TX2 is at a high level, a receiving channel of an external unit communication module of the communication relay device is opened, and communication data of an indoor unit (communication slave) is waited to be transmitted, and a transmission path of the communication data is as follows: indoor unit (communication slave) → outdoor unit communication circuit module → indoor unit communication circuit module → outdoor unit.
In step S906, the serial communication port UART2-RX of the main control chip is set as a serial input port (in a high impedance state), and monitors data sent to the channel by the indoor unit.
Step 907, judging whether the transmission of the communication data packet of the indoor unit is completed; if so, step S902 is repeatedly performed, and if not, step S906 is performed.
Example four
In correspondence with the communication relay method described in fig. 8, the present embodiment provides a communication relay apparatus, as shown in the block diagram of the structure of the communication relay apparatus shown in fig. 10, the apparatus including:
a channel establishing module 10, configured to establish a data transmission channel between an outdoor unit and an indoor unit;
and a communication module 20 connected to the channel establishing module 10 and configured to perform data communication between the outdoor unit and the indoor unit through the data transmission channel.
Through this embodiment, communication relay can a plurality of cascades the use, installs between the indoor outer machine to realize the long distance communication between the air conditioner frequency conversion indoor outer machine in a flexible way, guarantee the reliability of long distance communication, can also realize the overlength connecting pipe installation of indoor outer machine.
Preferably, the channel establishing module 10 is specifically configured to establish an outdoor unit-indoor unit data transmission channel and an indoor unit-outdoor unit data transmission channel between the indoor unit communication module and the outdoor unit communication module under the control of the main control chip. Therefore, long-distance data effective transmission between the indoor unit and the outdoor unit is realized.
The channel establishing module 10 may include: the first establishing unit is used for setting the first port of the main control chip as an output port and setting the second port as an input port, and controlling an outdoor unit-indoor unit data transmission channel to be formed between the first indoor unit communication port of the indoor unit communication module and the first outdoor unit communication port of the outdoor unit communication module; and the second establishing unit is used for setting the second port of the main control chip as an output port, setting the first port as an input port and controlling an indoor unit-outdoor unit data transmission channel to be formed between the second indoor unit communication port of the indoor unit communication module and the second outdoor unit communication port of the outdoor unit communication module. Through the preferred embodiment, long-distance data transmission between the indoor unit and the outdoor unit can be ensured, and the problem of software delay is avoided.
As apparent from the above description, the present invention provides a communication relay apparatus, a method, and an air conditioner. The communication relay devices can be used in a plurality of cascade connection modes and are installed between the indoor unit and the outdoor unit, so that long-distance communication between the variable-frequency indoor unit and the outdoor unit of the air conditioner is flexibly realized, the reliability of the long-distance communication is ensured, and the installation of the overlong connecting pipe of the indoor unit and the outdoor unit can also be realized.
Of course, the above is a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and refinements can be made without departing from the basic principle of the invention, and these modifications and refinements are also considered to be within the protective scope of the invention.
Claims (10)
1. A communication relay apparatus, comprising: the system comprises a main control chip, an internal machine communication module and an external machine communication module; wherein,
the indoor unit communication module is connected with the outdoor unit through a communication line;
the outdoor unit communication module is connected with the indoor unit communication module and is connected with the indoor unit through a communication line;
the main control chip is connected with the inner unit communication module and the outer unit communication module and is used for establishing a data transmission channel between the outdoor unit and the indoor unit by controlling the inner unit communication module and the outer unit communication module;
the indoor unit communication module comprises a first indoor unit communication port and a second indoor unit communication port, and the outdoor unit communication module comprises a first outdoor unit communication port and a second outdoor unit communication port; the first indoor unit communication port is connected with the first outdoor unit communication port to form an outdoor unit-indoor unit data transmission channel; the second indoor unit communication port is connected with the second outdoor unit communication port to form an indoor unit-outdoor unit data transmission channel;
the main control chip comprises a first port and a second port, the first port is used for controlling the opening and closing of the outdoor unit-indoor unit data transmission channel, and the second port is used for controlling the opening and closing of the indoor unit-outdoor unit data transmission channel.
2. The communication relay according to claim 1,
when the first port is set as an output port and outputs a high level, the data transmission channel of the outdoor unit-indoor unit is opened; otherwise, the outdoor unit-indoor unit data transmission channel is closed;
when the second port is set as an output port and outputs a high level, the indoor unit-outdoor unit data transmission channel is opened; otherwise, the indoor unit-outdoor unit data transmission channel is closed.
3. The communication relay apparatus according to claim 1, further comprising:
and the power supply module is used for supplying power to the main control chip, the internal machine communication module and the external machine communication module.
4. An air conditioner, comprising: an outdoor unit, an indoor unit, one or more communication relay devices according to any one of claims 1 to 3; wherein,
the one or more communication relay devices are wired in series between the outdoor unit and the indoor unit.
5. A communication relay method applied to the communication relay apparatus according to any one of claims 1 to 3, comprising:
establishing a data transmission channel between an outdoor unit and an indoor unit through a communication relay device;
and carrying out data communication between the outdoor unit and the indoor unit through the data transmission channel.
6. The method of claim 5, wherein establishing a data transmission channel between the outdoor unit and the indoor unit through the communication relay device comprises:
an outdoor unit-indoor unit data transmission channel and an indoor unit-outdoor unit data transmission channel are established between the indoor unit communication module and the outdoor unit communication module under the control of the main control chip;
the communication relay device comprises a main control chip, an inner unit communication module and an outer unit communication module, wherein the inner unit communication module is connected with the outdoor unit, and the outer unit communication module is connected with the indoor unit.
7. The method of claim 6, wherein the step of establishing an outdoor-indoor data transmission channel and an indoor-outdoor data transmission channel between the indoor communication module and the outdoor communication module under the control of the main control chip comprises:
setting a first port of a main control chip as an output port and a second port as an input port, and controlling a first indoor unit communication port and a first outdoor unit communication port to form the outdoor unit-indoor unit data transmission channel;
setting a second port of the main control chip as an output port, setting a first port as an input port, and controlling a second indoor unit communication port and a second outdoor unit communication port to form the indoor unit-outdoor unit data transmission channel;
the indoor unit communication module comprises a first indoor unit communication port and a second indoor unit communication port, and the outdoor unit communication module comprises a first outdoor unit communication port and a second outdoor unit communication port.
8. The method of claim 5, wherein the communication relay device is one or more communication relay devices, and the one or more communication relay devices are wired in series between the outdoor unit and the indoor unit.
9. A communication relay apparatus, comprising:
the channel establishing module is used for establishing a data transmission channel between the outdoor unit and the indoor unit;
the communication module is used for carrying out data communication between the outdoor unit and the indoor unit through the data transmission channel;
the channel establishing module is specifically used for establishing an outdoor unit-indoor unit data transmission channel and an indoor unit-outdoor unit data transmission channel between the main control chip control indoor unit communication module and the outdoor unit communication module;
the main control chip comprises a first port and a second port, the first port is used for controlling the opening and closing of the outdoor unit-indoor unit data transmission channel, and the second port is used for controlling the opening and closing of the indoor unit-outdoor unit data transmission channel.
10. The apparatus of claim 9, wherein the channel establishing module comprises:
the first establishing unit is used for setting a first port of the main control chip as an output port and setting a second port as an input port, and controlling a first inner machine communication port of the inner machine communication module and a first outer machine communication port of the outer machine communication module to form the outdoor machine-indoor machine data transmission channel;
and the second establishing unit is used for setting the second port of the main control chip as an output port and setting the first port as an input port, and controlling a second inner machine communication port of the inner machine communication module and a second outer machine communication port of the outer machine communication module to form the indoor machine-outdoor machine data transmission channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610882829.8A CN106545955B (en) | 2016-10-08 | 2016-10-08 | Communication relay device and method and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610882829.8A CN106545955B (en) | 2016-10-08 | 2016-10-08 | Communication relay device and method and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106545955A CN106545955A (en) | 2017-03-29 |
| CN106545955B true CN106545955B (en) | 2021-05-04 |
Family
ID=58368532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610882829.8A Active CN106545955B (en) | 2016-10-08 | 2016-10-08 | Communication relay device and method and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106545955B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107547109B (en) * | 2017-08-04 | 2021-05-25 | 广东美的制冷设备有限公司 | Air conditioner current loop communication circuit and air conditioner |
| CN110173871B (en) * | 2019-05-10 | 2022-04-15 | 广东美的制冷设备有限公司 | Communication control method and device of air conditioner and air conditioner |
| CN112013506B (en) * | 2019-05-31 | 2022-02-25 | 青岛海尔空调电子有限公司 | Communication detection method and device and air conditioner |
| CN113606657A (en) * | 2021-07-12 | 2021-11-05 | 佛山市顺德区美的电子科技有限公司 | Equipment control method and air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101278156A (en) * | 2006-09-20 | 2008-10-01 | 三菱电机株式会社 | Air conditioning system |
| CN104334976A (en) * | 2012-06-13 | 2015-02-04 | 三菱电机株式会社 | Air-conditioning system and relay device |
| CN104390306A (en) * | 2014-10-24 | 2015-03-04 | 珠海格力电器股份有限公司 | Air conditioner communication system, air conditioner communication method and air conditioner |
| CN204329248U (en) * | 2014-10-24 | 2015-05-13 | 珠海格力电器股份有限公司 | Air conditioner communication system and air conditioner |
| CN205048648U (en) * | 2015-10-15 | 2016-02-24 | 珠海格力电器股份有限公司 | Air conditioning unit's major control system and air conditioning unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8033479B2 (en) * | 2004-10-06 | 2011-10-11 | Lawrence Kates | Electronically-controlled register vent for zone heating and cooling |
-
2016
- 2016-10-08 CN CN201610882829.8A patent/CN106545955B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101278156A (en) * | 2006-09-20 | 2008-10-01 | 三菱电机株式会社 | Air conditioning system |
| CN104334976A (en) * | 2012-06-13 | 2015-02-04 | 三菱电机株式会社 | Air-conditioning system and relay device |
| CN104390306A (en) * | 2014-10-24 | 2015-03-04 | 珠海格力电器股份有限公司 | Air conditioner communication system, air conditioner communication method and air conditioner |
| CN204329248U (en) * | 2014-10-24 | 2015-05-13 | 珠海格力电器股份有限公司 | Air conditioner communication system and air conditioner |
| CN205048648U (en) * | 2015-10-15 | 2016-02-24 | 珠海格力电器股份有限公司 | Air conditioning unit's major control system and air conditioning unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106545955A (en) | 2017-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106545955B (en) | Communication relay device and method and air conditioner | |
| CN204928889U (en) | Many interfaces protocol converter | |
| CN104566865A (en) | Multi-split air conditioner and control method thereof | |
| CN201207647Y (en) | Two-wire system non-polarity master-slave type communication transceiver | |
| CN104506516A (en) | Gateway for conversion between Modbus RTU/ASCII (remote terminal unit/American standard code for information interchange) communication protocol and Modbus TCP (transmission control protocol) communication protocol and implementation method for gateway | |
| CN104378137A (en) | Repeater and information transmission method thereof | |
| CN113007874A (en) | Air conditioner, air conditioner operation method and electric appliance system | |
| CN204917489U (en) | Elevator control system | |
| CN103762719A (en) | Intelligent switch cabinet | |
| KR101299959B1 (en) | Network system for power line communication using bulb type access point | |
| CN102182858B (en) | Mining integrated solenoid valve and control method thereof | |
| CN108626847B (en) | Multi-connected air conditioning unit system | |
| CN106524391A (en) | Communication relay device, communication system and communication method | |
| CN104932275B (en) | Internet intelligent home control terminal | |
| CN102566532A (en) | KNX (Konnex) bus equipment-based control system | |
| CN106507051B (en) | A kind of electro-hydraulic control integrated video Transmission system of fully-mechanized mining working and method | |
| CN211018828U (en) | Multifunctional wireless repeater | |
| CN107483874A (en) | Semi-digital building conversational system IP network connector | |
| CN105159266A (en) | Center control host of smart home control system | |
| CN105206898B (en) | Microwave telecommunication devices and microwave telecommunication system | |
| CN209401050U (en) | POI equipment and system | |
| CN101719855A (en) | Intelligent system capable of carrying out remote control by internet or short message service | |
| CN105241041A (en) | Controller, control system and air conditioner | |
| KR101174133B1 (en) | Power line communication access point, PLC cabinet panel using the same, and PLC system using the PLC access point | |
| CN107733753B (en) | Networking expansion device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |