One-way communication device for air conditioner and communication method thereof
A technology for one-way communication and communication signals, applied in signal transmission systems, electrical signal transmission systems, instruments, etc., can solve the problems of long communication distance, complex circuits, and easy interference of signals, and achieve the effect of long transmission distance
Active Publication Date: 2019-02-26
SUZHOU SAMSUNG ELECTRONICS CO LTD +1
View PDF7 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
485 communication uses differential signals for communication. The advantage is that the communication signal is stable, the transmission distance is long, and it can be used for networking. The disadvantage is that the circuit is complicated and the cost is high.
AC current loop communication generally uses 0-10mA current for communication. The advantage is that the circuit cost is low. However, when the communication line is too long or in a harsh electromagnetic environment, the signal is easily interfered, resulting in poor communication.
One-way 220V AC communication uses 220V AC communication, the communication distance is long, the communication signal is good, but it cannot be connected to the Internet, and only the indoor unit can send communication data to the outdoor unit, and high voltage 220V also has potential safety hazards
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0024] Various communication methods commonly used in existing air conditioners have problems such as unstable communication signals, short transmission distances, and complicated circuits.
[0025] In view of the above-mentioned problems in the prior art, the present invention discloses a one-way communication device for an air conditioner, including a power supply, an internal unit, an external unit, an internal unit control unit, and an external unit control unit. The internal unit control unit is used for Control the internal machine, the external machine control unit is used to control the external machine, a power line is connected between the internal machine and the external machine to form a communication loop, and the one-way communication device also includes:
[0026] A communication signal modulation unit, the communication signal modulation unit is arranged between the internal machine and the internal machine control unit, and the internal machine control unit an...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The present invention discloses an air conditioner one-way communication device and a communication method thereof, the air conditioner one-way communication device includes a power supply, an inner machine, an outer machine, an inner machine control unit and an outer machine control unit, the inner machine control unit is used for controlling the inner machine, the outer machine control unit is used for controlling the outer machine, a power supply wire is connected between the inner machine and the outer machine, and a communication loop is formed, the inner machine also includes a communication signal modulating unit, the communication signal modulating unit is used for converting a power supply voltage outputted by the inner machine control unit into a DC voltage of 40 + / -10V, the outer machine also includes a signal demodulation unit, and the signal demodulation unit is used for r converting a power supply voltage outputted by the inner machine into a DC voltage of 40 + / -10V. The communication signal in the air conditioner one-way communication device and the communication method thereof is a DC signal of 40 + / -10V, the communication quality is not affected by interference, and the transmission distance is far.
Description
technical field [0001] The invention relates to the technical field of air conditioner control, in particular to an air conditioner one-way communication device and a communication method thereof. Background technique [0002] At present, the communication methods commonly used in household air conditioners are: 485 communication, AC current loop communication, and one-way 220V AC communication. 485 communication uses differential signals for communication. The advantage is that the communication signal is stable, the transmission distance is long, and it can be used for networking. The disadvantage is that the circuit is complicated and the cost is high. AC current loop communication generally uses a current of 0-10mA for communication. The advantage is that the circuit cost is low. However, when the communication line is too long or the electromagnetic environment is relatively harsh, the signal is easily interfered, resulting in poor communication. One-way 220V AC commun...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): G08C19/16F24F11/56
Inventor 吴新华
Owner SUZHOU SAMSUNG ELECTRONICS CO LTD