CN204334632U - A kind of master-slave communication circuit and air conditioner - Google Patents
A kind of master-slave communication circuit and air conditioner Download PDFInfo
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- CN204334632U CN204334632U CN201420827055.5U CN201420827055U CN204334632U CN 204334632 U CN204334632 U CN 204334632U CN 201420827055 U CN201420827055 U CN 201420827055U CN 204334632 U CN204334632 U CN 204334632U
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Abstract
The utility model belongs to communication technical field, provides a kind of master-slave communication circuit and air conditioner.The utility model comprises host computer communication module and the master-slave communication circuit from machine communication module by adopting, when communication ends and the ground end of host computer communication module respectively by the first wire and the second wire with when being connected from the first communication ends of machine communication module and second communication end, host computer communication module communicates with from machine communication module by the first wire; And when communication ends and the ground end of host computer communication module respectively by the second wire and the first wire with when being connected from the first communication ends of machine communication module and second communication end, host computer communication module communicates with from machine communication module by the second wire again, so host computer communication module is connected with not needing complicated wire between machine communication module, and the connection of wire is also without the need to considering port attribute, be convenient to installation and maintenance, and the electrical control circuit that can not damage from machine because of wire misconnection.
Description
Technical field
The utility model belongs to communication technical field, particularly relates to a kind of master-slave communication circuit and air conditioner.
Background technology
At present, main frame is all connected to realize communicating by many wires with from the telecommunication circuit between machine by existing main frame with from machine, this connected mode wire is more, and the mode of connection must connect in strict accordance with the principle that interface is corresponding, thus cause the complexity of installing and keep in repair higher, and also easily make when wire misconnection to be damaged from the electrical control circuit machine, therefore, existing telecommunication circuit existence is not easy to install and maintenance, and easily causes the problem be damaged from the electrical control circuit of machine during misconnection wire.
Utility model content
The purpose of this utility model is to provide a kind of master-slave communication circuit, is intended to solve being not easy to existing for existing telecommunication circuit and installs and maintenance, and easily cause the problem be damaged from the electrical control circuit of machine during misconnection wire.
The utility model realizes like this, a kind of master-slave communication circuit, it comprises host computer communication module and from machine communication module, described host computer communication module and be describedly built in main frame respectively and from machine from machine communication module, the controlled end of described host computer communication module and signal end are connected with the transmitting terminal of the console controller in described main frame and receiving terminal respectively, the described controlled end from machine communication module is connected from the transmitting terminal from machine controller machine and receiving terminal with described respectively with signal end, the described power output end from machine communication module connects the described power end from machine controller,
When the communication ends of described host computer communication module is connected with described the first communication ends from machine communication module and second communication end with the second wire respectively by the first wire with ground end, described host computer communication module is communicated from machine communication module with described by described first wire;
When the communication ends of described host computer communication module is connected with described the first communication ends from machine communication module and second communication end with described first wire respectively by described second wire with ground end, described host computer communication module is communicated from machine communication module with described by described second wire.
The utility model additionally provides a kind of air conditioner, and it comprises master control borad and line control machine, and described master control borad comprises console controller, and described line control machine comprises from machine controller; Described air conditioner also comprises above-mentioned master-slave communication circuit, and described master control borad and described line control machine are respectively main frame and from machine, the host computer communication module in described master-slave communication circuit and be built in described master control borad and described line control machine respectively from machine communication module.
The utility model comprises host computer communication module and the master-slave communication circuit from machine communication module by adopting, when communication ends and the ground end of host computer communication module respectively by the first wire and the second wire with when being connected from the first communication ends of machine communication module and second communication end, host computer communication module communicates with from machine communication module by the first wire, and when communication ends and the ground end of host computer communication module respectively by the second wire and the first wire with when being connected from the first communication ends of machine communication module and second communication end, host computer communication module communicates with from machine communication module by the second wire again, so host computer communication module is connected with not needing complicated wire between machine communication module, and the connection of wire is also without the need to considering port attribute, be convenient to installation and maintenance, and the electrical control circuit that can not damage from machine because of wire misconnection, thus solve being not easy to installation and keeping in repair existing for existing telecommunication circuit, and during misconnection wire, easily cause the problem be damaged from the electrical control circuit of machine.
Accompanying drawing explanation
Fig. 1 is the schematic configuration diagram of the master-slave communication circuit that the utility model embodiment provides;
Fig. 2 is another schematic configuration diagram of the master-slave communication circuit that the utility model embodiment provides;
Fig. 3 is the exemplary circuit structure chart of the master-slave communication circuit shown in Fig. 1 that the utility model first embodiment provides;
Fig. 4 is the exemplary circuit structure chart of the master-slave communication circuit shown in Fig. 2 that the utility model first embodiment provides;
Fig. 5 is the exemplary circuit structure chart of the master-slave communication circuit shown in Fig. 1 that the utility model second embodiment provides;
Fig. 6 is the exemplary circuit structure chart of the master-slave communication circuit shown in Fig. 2 that the utility model second embodiment provides;
Fig. 7 is the exemplary circuit structure chart of the master-slave communication circuit shown in Fig. 1 that the utility model the 3rd embodiment provides;
Fig. 8 is the exemplary circuit structure chart of the master-slave communication circuit shown in Fig. 2 that the utility model the 3rd embodiment provides;
Fig. 9 is the exemplary circuit structure chart of the master-slave communication circuit shown in Fig. 1 that the utility model the 4th embodiment provides;
Figure 10 is the exemplary circuit structure chart of the master-slave communication circuit shown in Fig. 2 that the utility model the 4th embodiment provides;
Figure 11 is the application schematic diagram of the master-slave communication circuit shown in Fig. 1 in air conditioner;
Figure 12 is the application schematic diagram of the master-slave communication circuit shown in Fig. 2 in air conditioner.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 and Fig. 2 shows two kinds of schematic construction of the master-slave communication circuit that the utility model embodiment provides, master-slave communication circuit 100 comprises host computer communication module 101 and from machine communication module 102, host computer communication module 101 and be built in main frame respectively and from machine from machine communication module 102, the controlled end of host computer communication module 101 and signal end are connected with the transmitting terminal TX of the console controller 200 in main frame and receiving terminal RX respectively, be connected respectively with from the transmitting terminal TX from machine controller 300 machine and receiving terminal RX from the controlled end of machine communication module 102 with signal end, the power end VCC from machine controller is connected from the feeder ear of machine communication module 102.Wherein, console controller 200 and from machine controller 300 can be specifically conventional single-chip microcomputer, arm processor or other possess the Programmable Logic Controller of mathematical logic disposal ability.
As shown in Figure 1, when communication ends and the ground end of host computer communication module 101 respectively by the first wire L1 and the second wire L2 with when being connected from the first communication ends of machine communication module 102 and second communication end, host computer communication module 101 is communicated with from machine communication module 102 by the first wire L1.
As shown in Figure 2, when communication ends and the ground end of host computer communication module 101 respectively by the second wire L2 and the first wire L1 with when being connected from the first communication ends of machine communication module 102 and second communication end, host computer communication module 101 is communicated with from machine communication module 102 by the second wire L2.
Host computer communication module 101 with carry out in the process communicated from machine communication module 102, the signal transmitted by the first wire L1 or the second wire L2 comprises high level and low level, when host computer communication module 101 is to when exporting high level from machine communication module 102, this high level is simultaneously also for from machine (comprise above-mentioned from machine controller 300) power supply, electric power storage can be carried out at this moment, institute's electric power storage can be able to be discharged as from machine (comprise above-mentioned from machine controller 300) power supply when host computer communication module 101 does not export high level from machine communication module 102.
In the utility model first embodiment, as shown in Fig. 3 (corresponding diagram 1) and Fig. 4 (corresponding diagram 2), host computer communication module 101 comprises:
First resistance R1, the first NPN type triode Q1 and first interface CN1;
The first end of the first resistance R1 connects DC power supply VCC1, the first end 1 of second end of the first resistance R1 and the collector electrode of the first NPN type triode Q1 and first interface CN1 connects the signal end that formed common contact is host computer communication module 101 altogether, the base stage of the first NPN type triode Q1 is the controlled end of host computer communication module 101, the emitter of the first NPN type triode Q1 connects main frame with reference to ground GND1, second end 2 of first interface CN1 connects main frame with reference to ground GND1, and the first end 1 of first interface CN1 and the second end 2 are respectively communication ends and the ground end of host computer communication module 101.
In the utility model first embodiment, as shown in Fig. 3 (corresponding diagram 1) and Fig. 4 (corresponding diagram 2), comprise from machine communication module 102:
First diode D1, electric capacity E1, the second diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5 and the second NPN type triode Q2;
The common contact of the negative electrode of the first diode D1 and the positive pole of electric capacity E1 is the feeder ear from machine communication module 102, the negative pole of electric capacity E1 connects from machine with reference to ground GND2, the anode of the first diode D1 and the negative electrode of the second diode D2, it is signal end from machine communication module 102 that the negative electrode of the 4th diode D4 and the collector electrode of the second NPN type triode Q2 connect formed common contact altogether, the emitter of the second NPN type triode Q2 connects from machine with reference to ground GND2, the base stage of the second NPN type triode Q2 is the controlled end from machine communication module 102, the common contact of the anode of the second diode D2 and the negative electrode of the 3rd diode D3 is the first communication ends from machine communication module 102, the common contact of the anode of the 4th diode D4 and the negative electrode of the 5th diode D5 is the second communication end from machine communication module 102, the anode of the 3rd diode D3 and the anode of the 5th diode D5 are connected to from machine altogether with reference to ground GND2.
For the master-slave communication circuit 100 shown in Fig. 3, its operation principle is as follows:
At console controller 200 to when sending signal from machine controller 300, low level output can be kept to turn off to make the second NPN type triode Q2 maintain from the transmitting terminal TX of machine controller 300, when the transmitting terminal TX output low level of console controller 200, first NPN type triode Q1 turns off, then its current collection very high level, so the first end 1 of first interface CN1 exports high level transfers to the second interface CN2 first end 1 by the first wire L1, this high level passes through by the second diode D2, 3rd diode D3, the anode of the first diode D1 is exported respectively to after the rectifier bridge that 4th diode D4 and the 5th diode D5 is formed carries out full-bridge rectification process, the collector electrode of the second NPN type triode Q2 and the receiving terminal RX from machine controller 300, now this high level is charged to electric capacity E1 by the first diode D1, when the transmitting terminal TX of console controller 200 exports high level, the current potential of its collector electrode also drags down by the first NPN type triode Q1 conducting, then first end 1 output low level of first interface CN1 transfers to first end 1 to the second interface CN2 by the first wire L1, so receive low level from the receiving terminal RX of machine controller 300 is also corresponding, now electric capacity E1 can discharge to maintain its work to from machine controller 300.
When sending signal from machine controller 300 to console controller 200, the transmitting terminal TX of console controller 200 can keep low level output to turn off, so the first end 1 of first interface CN1 maintains high level to make the first NPN type triode Q1 maintain.When from the transmitting terminal TX output low level of machine controller 300, second NPN type triode Q1 turns off, then the first end 1 of first interface CN1 maintains high level, so now the receiving terminal RX of console controller 200 receives high level, this high level is charged to electric capacity E1 by the first diode D1 after the rectifier bridge be made up of the second diode D2, the 3rd diode D3, the 4th diode D4 and the 5th diode D5 carries out full-bridge rectification process simultaneously; When exporting high level from the transmitting terminal TX of machine controller 300, the current potential of the first end 1 of first interface CN1 is also dragged down by the first end 1 of above-mentioned rectifier bridge, the second interface CN2 and the first wire L1 by the second NPN type triode Q2 conducting successively, then the receiving terminal RX of console controller 200 can receive low level, and now electric capacity E1 can discharge to maintain its work to from machine controller 300.
For the master-slave communication circuit 100 shown in Fig. 4, its operation principle is as follows:
At console controller 200 to when sending signal from machine controller 300, low level output can be kept to turn off to make the second NPN type triode Q2 maintain from the transmitting terminal TX of machine controller 300, when the transmitting terminal TX output low level of console controller 200, first NPN type triode Q1 turns off, then its current collection very high level, so the first end 1 of first interface CN1 exports high level transfers to the second interface CN2 first end 2 by the second wire L2, this high level passes through by the second diode D2, 3rd diode D3, the anode of the first diode D1 is exported respectively to after the rectifier bridge that 4th diode D4 and the 5th diode D5 is formed carries out full-bridge rectification process, the collector electrode of the second NPN type triode Q2 and the receiving terminal RX from machine controller 300, now this high level is charged to electric capacity E1 by the first diode D1, when the transmitting terminal TX of console controller 200 exports high level, the current potential of its collector electrode also drags down by the first NPN type triode Q1 conducting, then first end 1 output low level of first interface CN1 transfers to the first end 2 of the second interface CN2 by the second wire L2, so receive low level from the receiving terminal RX of machine controller 300 is also corresponding, now electric capacity E1 can discharge to maintain its work to from machine controller 300.
When sending signal from machine controller 300 to console controller 200, the transmitting terminal TX of console controller 200 can keep low level output to turn off, so the first end 1 of first interface CN1 maintains high level to make the first NPN type triode Q1 maintain.When from the transmitting terminal TX output low level of machine controller 300, second NPN type triode Q1 turns off, then the first end 1 of first interface CN1 maintains high level, so now the receiving terminal RX of console controller 200 receives high level, this high level is charged to electric capacity E1 by the first diode D1 after the rectifier bridge be made up of the second diode D2, the 3rd diode D3, the 4th diode D4 and the 5th diode D5 carries out full-bridge rectification process simultaneously; When exporting high level from the transmitting terminal TX of machine controller 300, the current potential of the first end 1 of first interface CN1 is also dragged down by the first end 2 of above-mentioned rectifier bridge, the second interface CN2 and the second wire L2 by the second NPN type triode Q2 conducting successively, then the receiving terminal RX of console controller 200 can receive low level, and now electric capacity E1 can discharge to maintain its work to from machine controller 300.
And in the utility model second embodiment, as shown in Fig. 5 (corresponding diagram 1) and Fig. 6 (corresponding diagram 2), host computer communication module 101 comprises:
First resistance R1, the first NPN type triode Q1, the second resistance R2 and first interface CN1;
The first end of the first resistance R1 connects DC power supply VCC1, the first end 1 of second end of the first resistance R1 and the collector electrode of the first NPN type triode Q1 and first interface CN1 connects the signal end that formed common contact is host computer communication module 101 altogether, the base stage of the first NPN type triode Q1 is the controlled end of host computer communication module 101, second resistance R2 is connected between the emitter of the first NPN type triode Q1 and main frame reference ground GND1, second end 2 of first interface CN1 connects main frame with reference to ground GND1, and the first end 1 of first interface CN1 and the second end 2 are respectively communication ends and the ground end of host computer communication module 101.
In the utility model second embodiment, as shown in Fig. 5 (corresponding diagram 1) and Fig. 6 (corresponding diagram 2), from identical with shown in Fig. 3 with Fig. 4 of the internal structure of machine communication module 102, therefore repeat no more.
Master-slave communication circuit shown in Fig. 5 with Fig. 6 is identical with the operation principle of the master-slave communication circuit shown in Fig. 3 with Fig. 4 respectively, therefore also repeats no more.
And in the utility model the 3rd embodiment, as shown in Fig. 7 (corresponding diagram 1) and Fig. 8 (corresponding diagram 2), the internal structure of host computer communication module 101 and identical shown in Fig. 3 with Fig. 4, therefore repeat no more.For from machine communication module 102, it comprises:
First diode D1, electric capacity E1, the second diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the second NPN type triode Q2 and the 3rd resistance R3;
The common contact of the negative electrode of the first diode D1 and the positive pole of electric capacity E1 is the feeder ear from machine communication module 102, the negative pole of electric capacity E1 connects from machine with reference to ground GND2, the anode of the first diode D1 and the negative electrode of the second diode D2, it is signal end from machine communication module 102 that the negative electrode of the 4th diode D4 and the collector electrode of the second NPN type triode Q2 connect formed common contact altogether, 3rd resistance R3 be connected to the second NPN type triode Q2 emitter and from machine with reference to ground GND2 between, the base stage of the second NPN type triode Q2 is the controlled end from machine communication module 102, the common contact of the anode of the second diode D2 and the negative electrode of the 3rd diode D3 is the first communication ends from machine communication module 102, the common contact of the anode of the 4th diode D4 and the negative electrode of the 5th diode D5 is the second communication end from machine communication module 102, the anode of the 3rd diode D3 and the anode of the 5th diode D5 are connected to from machine altogether with reference to ground GND2.
Master-slave communication circuit shown in Fig. 7 with Fig. 8 is identical with the operation principle of the master-slave communication circuit shown in Fig. 3 with Fig. 4 respectively, therefore also repeats no more.
And in the utility model the 4th embodiment, as shown in Fig. 9 (corresponding diagram 1) and Figure 10 (corresponding diagram 2), the internal structure of host computer communication module 101 and identical shown in Fig. 5 with Fig. 6, from identical with shown in Fig. 7 with Fig. 8 of the internal structure of machine communication module 102, and the master-slave communication circuit shown in Fig. 9 with Figure 10 is identical with the operation principle of the master-slave communication circuit shown in Fig. 3 with Fig. 4 respectively, therefore repeats no more.
The utility model embodiment comprises host computer communication module 101 and the master-slave communication circuit 100 from machine communication module 102 by adopting, when communication ends and the ground end of host computer communication module 101 respectively by the first wire L1 and the second wire L2 with when being connected from the first communication ends of machine communication module 102 and second communication end, host computer communication module 101 communicates with from machine communication module 102 by the first wire L1; And when communication ends and the ground end of host computer communication module 101 respectively by the second wire L2 and the first wire L1 with when being connected from the first communication ends of machine communication module 102 and second communication end, host computer communication module 101 communicates with from machine communication module 102 by the second wire L2 again, so host computer communication module 101 is connected with not needing complicated wire between machine communication module 102, and the connection of wire is also without the need to considering port attribute, be convenient to installation and maintenance, and the electrical control circuit that can not damage from machine because of wire misconnection.
Based on the advantage that above-mentioned master-slave communication circuit possesses, the utility model embodiment still provides a kind of air conditioner, as shown in Figure 11 (corresponding diagram 1) and Figure 12 (corresponding diagram 2), it comprises master control borad 1 and line control machine 2, master control borad 1 comprises above-mentioned console controller 200, and line control machine 2 comprises above-mentioned from machine controller 300.In addition, air conditioner also comprises above-mentioned master-slave communication circuit 100, and master control borad 1 and line control machine 2 are respectively main frame and from machine, so host computer communication module 101 in master-slave communication circuit 100 and be built in master control borad 1 and line control machine 2 respectively from machine communication module 102.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1. a master-slave communication circuit, it is characterized in that, described master-slave communication circuit comprises host computer communication module and from machine communication module, described host computer communication module and be describedly built in main frame respectively and from machine from machine communication module, the controlled end of described host computer communication module and signal end are connected with the transmitting terminal of the console controller in described main frame and receiving terminal respectively, the described controlled end from machine communication module is connected from the transmitting terminal from machine controller machine and receiving terminal with described respectively with signal end, the described power output end from machine communication module connects the described power end from machine controller,
When the communication ends of described host computer communication module is connected with described the first communication ends from machine communication module and second communication end with the second wire respectively by the first wire with ground end, described host computer communication module is communicated from machine communication module with described by described first wire;
When the communication ends of described host computer communication module is connected with described the first communication ends from machine communication module and second communication end with described first wire respectively by described second wire with ground end, described host computer communication module is communicated from machine communication module with described by described second wire.
2. master-slave communication circuit as claimed in claim 1, it is characterized in that, described host computer communication module comprises:
First resistance, the first NPN type triode and first interface;
The first end of described first resistance connects DC power supply, second end of described first resistance and the collector electrode of described first NPN type triode and the first end of described first interface connect the signal end that formed common contact is described host computer communication module altogether, the base stage of described first NPN type triode is the controlled end of described host computer communication module, the emitter of described first NPN type triode connects main frame with reference to ground, second termination main frame of described first interface is with reference to ground, and the first end of described first interface and the second end are respectively communication ends and the ground end of described host computer communication module.
3. master-slave communication circuit as claimed in claim 1, it is characterized in that, described host computer communication module comprises:
First resistance, the first NPN type triode, the second resistance and first interface;
The first end of described first resistance connects DC power supply, second end of described first resistance and the collector electrode of described first NPN type triode and the first end of described first interface connect the signal end that formed common contact is described host computer communication module altogether, the base stage of described first NPN type triode is the controlled end of described host computer communication module, described second resistance is connected between the emitter of described first NPN type triode and main frame reference ground, second termination main frame of described first interface is with reference to ground, the first end of described first interface and the second end are respectively communication ends and the ground end of described host computer communication module.
4. master-slave communication circuit as claimed in claim 1, is characterized in that, describedly comprises from machine communication module:
First diode, electric capacity, the second diode, the 3rd diode, the 4th diode, the 5th diode and the second NPN type triode;
The common contact of the negative electrode of described first diode and the positive pole of described electric capacity is the described feeder ear from machine communication module, the negative pole of described electric capacity connects from machine with reference to ground, the anode of described first diode and the negative electrode of described second diode, it is the described signal end from machine communication module that the negative electrode of described 4th diode and the collector electrode of described second NPN type triode connect formed common contact altogether, the emitter of described second NPN type triode connects from machine with reference to ground, the base stage of described second NPN type triode is the described controlled end from machine communication module, the common contact of the anode of described second diode and the negative electrode of described 3rd diode is described the first communication ends from machine communication module, the common contact of the anode of described 4th diode and the negative electrode of described 5th diode is the described second communication end from machine communication module, the anode of described 3rd diode and the anode of described 5th diode are connected to from machine altogether with reference to ground.
5. master-slave communication circuit as claimed in claim 1, is characterized in that, describedly comprises from machine communication module:
First diode, electric capacity, the second diode, the 3rd diode, the 4th diode, the 5th diode, the second NPN type triode and the 3rd resistance;
The common contact of the negative electrode of described first diode and the positive pole of described electric capacity is the described feeder ear from machine communication module, the negative pole of described electric capacity connects from machine with reference to ground, the anode of described first diode and the negative electrode of described second diode, it is the described signal end from machine communication module that the negative electrode of described 4th diode and the collector electrode of described second NPN type triode connect formed common contact altogether, described 3rd resistance be connected to described second NPN type triode emitter and from machine with reference between ground, the base stage of described second NPN type triode is the described controlled end from machine communication module, the common contact of the anode of described second diode and the negative electrode of described 3rd diode is described the first communication ends from machine communication module, the common contact of the anode of described 4th diode and the negative electrode of described 5th diode is the described second communication end from machine communication module, the anode of described 3rd diode and the anode of described 5th diode are connected to from machine altogether with reference to ground.
6. an air conditioner, it comprises master control borad and line control machine, and described master control borad comprises console controller, and described line control machine comprises from machine controller; It is characterized in that, described air conditioner also comprises the master-slave communication circuit as described in any one of claim 1-5, described master control borad and described line control machine are respectively main frame and from machine, described host computer communication module and be describedly built in described master control borad and described line control machine respectively from machine communication module.
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| CN201420827055.5U CN204334632U (en) | 2014-12-22 | 2014-12-22 | A kind of master-slave communication circuit and air conditioner |
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| CN201420827055.5U CN204334632U (en) | 2014-12-22 | 2014-12-22 | A kind of master-slave communication circuit and air conditioner |
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| CN105404213A (en) * | 2015-12-29 | 2016-03-16 | 深圳市振邦智能科技有限公司 | Direct current carrier wave serial port communication apparatus and method |
| CN105425659A (en) * | 2015-10-30 | 2016-03-23 | 广东美的制冷设备有限公司 | Unidirectional double-wire no-polarity communication circuit and air conditioner system having unidirectional double-wire no-polarity communication circuit |
| CN106052045A (en) * | 2016-07-15 | 2016-10-26 | 珠海格力电器股份有限公司 | Air conditioner multi-split method based on power line carrier communication network |
| CN106125696A (en) * | 2016-08-19 | 2016-11-16 | 深圳和而泰智能控制股份有限公司 | A kind of master & slave control system using two connecting lines |
| CN106301451A (en) * | 2016-10-09 | 2017-01-04 | 深圳和而泰智能控制股份有限公司 | Communicating circuit and communicating terminal |
| CN110608502A (en) * | 2019-09-10 | 2019-12-24 | 青岛海尔空调电子有限公司 | Air conditioner communication method based on single-wire half-duplex communication and air conditioner |
| CN111427295A (en) * | 2020-04-09 | 2020-07-17 | 广州思智科技有限公司 | Communication control circuit |
| CN112104393A (en) * | 2020-07-28 | 2020-12-18 | 四川虹美智能科技有限公司 | Power supply communication device, method and system |
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| CN105425659A (en) * | 2015-10-30 | 2016-03-23 | 广东美的制冷设备有限公司 | Unidirectional double-wire no-polarity communication circuit and air conditioner system having unidirectional double-wire no-polarity communication circuit |
| CN105404213A (en) * | 2015-12-29 | 2016-03-16 | 深圳市振邦智能科技有限公司 | Direct current carrier wave serial port communication apparatus and method |
| CN105404213B (en) * | 2015-12-29 | 2018-11-16 | 深圳市振邦智能科技股份有限公司 | A kind of serial communication device and method of direct current carrier |
| CN106052045A (en) * | 2016-07-15 | 2016-10-26 | 珠海格力电器股份有限公司 | Air conditioner multi-split method based on power line carrier communication network |
| CN106052045B (en) * | 2016-07-15 | 2021-11-09 | 珠海格力电器股份有限公司 | Air conditioner multi-split method based on power line carrier communication network |
| CN106125696A (en) * | 2016-08-19 | 2016-11-16 | 深圳和而泰智能控制股份有限公司 | A kind of master & slave control system using two connecting lines |
| CN106301451A (en) * | 2016-10-09 | 2017-01-04 | 深圳和而泰智能控制股份有限公司 | Communicating circuit and communicating terminal |
| CN110608502A (en) * | 2019-09-10 | 2019-12-24 | 青岛海尔空调电子有限公司 | Air conditioner communication method based on single-wire half-duplex communication and air conditioner |
| CN111427295A (en) * | 2020-04-09 | 2020-07-17 | 广州思智科技有限公司 | Communication control circuit |
| CN111427295B (en) * | 2020-04-09 | 2021-03-09 | 广州思智科技有限公司 | Communication control circuit |
| CN112104393A (en) * | 2020-07-28 | 2020-12-18 | 四川虹美智能科技有限公司 | Power supply communication device, method and system |
| CN112104393B (en) * | 2020-07-28 | 2021-08-03 | 四川虹美智能科技有限公司 | Power supply communication device, method and system |
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