CN109297145A - Communicating circuit, communication device and air-conditioning - Google Patents
Communicating circuit, communication device and air-conditioning Download PDFInfo
- Publication number
- CN109297145A CN109297145A CN201811153333.2A CN201811153333A CN109297145A CN 109297145 A CN109297145 A CN 109297145A CN 201811153333 A CN201811153333 A CN 201811153333A CN 109297145 A CN109297145 A CN 109297145A
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- 230000006854 communication Effects 0.000 title claims abstract description 171
- 238000004891 communication Methods 0.000 title claims abstract description 170
- 238000004378 air conditioning Methods 0.000 title claims abstract description 9
- 238000002955 isolation Methods 0.000 claims description 85
- 238000009434 installation Methods 0.000 claims description 2
- 238000012356 Product development Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 102100039435 C-X-C motif chemokine 17 Human genes 0.000 description 1
- 101000889048 Homo sapiens C-X-C motif chemokine 17 Proteins 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
-
- 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
- F24F11/88—Electrical aspects, e.g. circuits
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Selective Calling Equipment (AREA)
Abstract
The present invention relates to a kind of communicating circuit, communication device and air-conditionings, including signal input module, signal output module, communication interface and circuit switching module；The signal input module, the signal output module and the communication interface are connected with the circuit switching module；The signal input module, the signal output module, the communication interface and the circuit switching module form the communicating circuit of at least two types, and gate target communication circuit by the circuit switching module.When avoiding communications protocol difference between the two boards communicated, needs the communicating circuit for one of plate to develop again, shorten product development cycle, improve the practicability of communicating circuit.
Description
Technical field
The present invention relates to communication technique fields, and in particular to a kind of communicating circuit, communication device and air-conditioning.
Background technique
In the air-conditioner set of relatively high power, with the promotion of power and current class, the volume of all kinds of devices is also corresponding
Increase, to heat dissipation and printed circuit board (Printed Circuit Board, PCB) size etc., higher requirements are also raised,
In order to solve these problems, it generally can referred to as be driven by the big high-power partial circuit of calorific value separately as one piece of mainboard
Plate (slave), it includes rectifying parts, Converting Unit, sometimes also include filtering part；And other low-power load circuit conducts
Other one piece of mainboard, referred to as master control borad (host).Two boards have respective master integrated circuit (Integrated Circuit,
IC) and power supply, this relates to communicate interaction, isolating problem between plate.
In the prior art, the communication modes between master control borad and driving plate are mainly isolated form RS485 communication or isolated form
UART communication, in communication process, master control borad and driving plate need to be arranged identical communicating circuit, and are assisted using identical communication
View could complete communication.
But in practical applications, if the communicating circuit of master control borad and the communicating circuit of driving plate are different in a certain product,
Cause the communications protocol of master control borad and driving plate inconsistent, so that master control borad and driving plate then cannot achieve communication, needs to be directed to
The communicating circuit of master control borad is developed again, alternatively, the communicating circuit for driving plate is developed again, extends the exploitation week of product
Phase, therefore, communicating circuit in the prior art have a single function, and practicability is lower.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of communicating circuit, communication device and air-conditioning, to solve existing skill
Communicating circuit in art has a single function, the lower problem of practicability.
In order to achieve the above object, the present invention provides a kind of communicating circuit, including signal input module, signal output module,
Communication interface and circuit switching module；
The signal input module, the signal output module and the communication interface with the circuit switching module phase
Even；
The signal input module, the signal output module, the communication interface and the circuit switching module are formed
The communicating circuit of at least two types, and target communication circuit is gated by the circuit switching module.
Further, communicating circuit described above, including two kinds of communicating circuit；
The signal input module includes the first signal isolation unit, and the signal output module includes third signal isolation
Unit；
The circuit switching module includes circuit switching section and communication unit；
The first signal isolation unit, the third signal isolation unit are led to by the circuit switching section with described
Unit is interrogated to be connected；The first signal isolation unit, the third signal isolation unit also pass through the circuit switching section with
The communication interface is connected；
The communication unit is connected by the circuit switching section with the communication interface；
Make the first signal isolation unit, the third signal isolation unit and described by the circuit switching section
Communication interface is disconnected with the communication unit, and keeps the first signal isolation unit and the third signal isolation unit equal
It is connected with the communication interface, obtains the communicating circuit of the first kind as the target communication circuit；
Make the first signal isolation unit, the third signal isolation unit and described by the circuit switching section
Communication interface is connected with the communication unit, and keeps the first signal isolation unit and the third signal isolation unit equal
It is disconnected with the communication interface, obtains the communicating circuit of Second Type as the target communication circuit.
Further, communicating circuit described above, the circuit switching section include first choice switch and the second choosing
Select switch；
The first signal isolation unit and the third signal isolation unit respectively by first choice switch with
The communication unit is connected；
The first choice switch, the communication unit and the communication interface switch phase with second selection respectively
Even.
Further, communicating circuit described above, the first choice switch and the second selection switch are 4
Toggle switch；
If connecting the first switch of the first signal isolation unit and the communication unit in the first choice switch
It disconnects；It is disconnected that the second switch that the third signal isolation unit is connected with the communication unit is connected in the first choice switch
It opens；The third switch that the first signal isolation unit is connected with the second selection switch is connected in the first choice switch
Closure；The the third signal isolation unit is connected with the second selection switch the 4th is connected in the first choice switch to open
It closes and closes；The the first output end of the communication unit is connected with the communication interface the 5th is connected in the second selection switch
Switch disconnects；The second output terminal of the communication unit is connected in the second selection switch and the 6th of the communication interface opens
Shutdown is opened；The communication interface and the 7th of the first switch the is connected in the second selection switch to close the switch；Described
The 8th that the communication interface and the 4th switch are connected in two selection switches closes the switch, and forms the logical of the first kind
Circuit is interrogated, as the target communication circuit；
If the first switch, the second switch, the 5th switch and the 6th switch are closed；The third
Switch, the 4th switch, the 7th switch and the 8th switch disconnect, and form the communication electricity of the Second Type
Road, as the target communication circuit.
Further, communicating circuit described above, the circuit switching section include connection structure and detachable device；
The first signal isolation unit and the third signal isolation unit pass through connection structure and the communication respectively
Unit is detachably connected；
The first signal isolation unit and the third signal isolation unit also respectively by the detachable device with
The communication interface is connected；
The communication unit is detachably connected by the connection structure and the communication interface；
The communication unit is dismantled from the communicating circuit, and described the will be formed after detachable device installation
The communicating circuit of one type, as the target communication circuit；
The communication unit is mounted on the communicating circuit, and described the will be formed after the detachable device removes
The communicating circuit of two types, as the target communication circuit.
Further, communicating circuit described above, the detachable device include 0 Ω resistance and/or conducting wire.
Further, communicating circuit described above further includes second signal isolated location；
The communication unit is connected with the second signal isolated location；
Further, communicating circuit described above further includes control switch；
The second signal isolated location is connected by the control switch with the communication unit
Further, communicating circuit described above, the first signal isolation unit, the second signal isolated location
It include photo-coupler with the third signal isolation unit.
The present invention also provides a kind of communication devices, are provided with communicating circuit as described above.
The present invention also provides a kind of air-conditionings, including master control borad and driving plate；
It is communicated between the master control borad and the driving plate by communicating circuit as described above.
Communicating circuit, communication device and air-conditioning of the invention, by inputting a signal into module, signal output module and communication
Interface is connected with circuit switching module, forms the communicating circuit of at least two types, and is cut according to actual needs using circuit
It changes the mold block and gates target communication circuit, complete communication, when avoiding communications protocol difference between the two boards communicated, need
It is developed again for the communicating circuit of one of plate, shortens product development cycle, improve the practicability of communicating circuit.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of communicating circuit embodiment of the invention；
Fig. 2 is a kind of communicating circuit figure of Fig. 1
Fig. 3 is another communicating circuit figure of Fig. 1.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Fig. 1 is the structural schematic diagram of communicating circuit embodiment of the invention, as shown in Figure 1, the communicating circuit of the present embodiment
It may include signal input module 1, signal output module 2, communication interface 3 and circuit switching module 4；Signal input module 1, letter
Number output module 2 and communication interface 3 are connected with circuit switching module 4；Signal input module 1, signal output module 2, communication
Interface 3 and circuit switching module 4 form the communicating circuit of at least two types, and gate target by circuit switching module 4 and lead to
Interrogate circuit.
For example, the present embodiment is described technical solution of the present invention for including two kinds of communicating circuit.
Fig. 2 is a kind of communicating circuit figure of Fig. 1, as shown in Fig. 2, signal input module 1 includes the first signal isolation list in the present embodiment
Member 11, signal output module 2 include third signal isolation unit 21；Circuit switching module 4 includes circuit switching section and communication
Unit U4；First signal isolation unit 11, third signal isolation unit 21 are connected by circuit switching section with communication unit U4；
First signal isolation unit 11, third signal isolation unit 21 are also connected by circuit switching section with communication interface 3；Communication is single
First U4 is connected by circuit switching section with communication interface 3.
In the present embodiment, the first signal isolation unit 11, third signal isolation unit can be made by circuit switching section
21 and communication interface 3 disconnected with communication unit U4, and keep the first signal isolation unit 11 and third signal isolation unit 21 equal
It is connected with communication interface 3, obtains the communicating circuit of the first kind as target communication circuit, such as isolated form UART communicating circuit；
Can be made by circuit switching section the first signal isolation unit 11, third signal isolation unit 21 and communication interface 3 with it is logical
Unit U4 conducting is interrogated, and disconnects the first signal isolation unit 11 and third signal isolation unit 21 with communication interface 3, is obtained
The communicating circuit of Second Type is as target communication circuit, such as isolated form RS485 communicating circuit.
For example, circuit switching section includes the selection of first choice switch SW1 and second switch SW2；First signal isolation list
Member 11 and third signal isolation unit 21 are connected by first choice switch SW1 with communication unit U4 respectively；First choice switch
SW1, communication unit U4 and communication interface 3 are connected with the second selection switch SW2 respectively.In the present embodiment, the first choosing can use
Selecting switch SW1 disconnects the first signal isolation unit 11 and third signal isolation unit 21 with communication unit U4, utilizes second
Selection switch SW2 disconnects communication unit U4 and communication interface 3, while utilizing the selection switch of first choice switch SW1 and second
The first signal isolation unit 11 and third signal isolation unit 21 is connected with communication interface 3 in SW2, obtains the logical of the first kind
Circuit is interrogated as target communication circuit；Can use first choice switch SW1 makes the first signal isolation unit 11 and third signal
Isolated location 21 is connected with communication unit U4, and communication unit U4 and communication interface 3 is connected using the second selection switch SW2,
Make the first signal isolation unit 11 and third signal isolation list using the selection of first choice switch SW1 and second switch SW2 simultaneously
Member 21 is disconnected with communication interface 3, obtains the communicating circuit of Second Type as target communication circuit.
As shown in Fig. 2, the selection of the first choice switch SW1 and second switch SW2 in the present embodiment is both preferably 4 dial-ups
Switch；If the first switch K1 for connecting the first signal isolation unit 11 and communication unit U4 in first choice switch SW1 is disconnected；The
Third signal isolation unit 21 is connected in one selection switch SW1 and the second switch K2 of communication unit U4 is disconnected；First choice is opened
Close the third switch K3 closure that the first signal isolation unit 11 and the second selection switch SW2 are connected in SW1；First choice switch
The 4th switch K4 closure of third signal isolation unit 21 and the second selection switch SW2 is connected in SW1；Second selection switch SW2
The 5th switch K5 that the first output end of middle connecting communication unit U4 is connected with communication interface 3 is disconnected；In second selection switch SW2
The second output terminal of connecting communication unit U4 and the 6th switch K6 of communication interface 3 are disconnected；Connection is logical in second selection switch SW2
The 7th switch K7 of communication interface 3 and first switch K1 closure；Connecting communication interface 3 and the 4th switch in second selection switch SW2
The 8th switch K8 of K4 is closed, and the communicating circuit of the first kind is formed, as target communication circuit；If first switch K1, second
Switch K2, the 5th switch K5 and the 6th switch K6 are closed；Third switch K3, the 4th switch K4, the 7th switch K7 and the 8th are opened
It closes K8 to disconnect, the communicating circuit of Second Type is formed, as target communication circuit.
During a specific implementation, when using the communicating circuit of Second Type, need to apply communication unit U4
Enable signal enables communication unit U4 to be connected, and the communicating circuit of Second Type could work normally, in the present embodiment, Ke Yili
Enable signal is applied to communication unit U4 with power supply, but in order to reduce energy consumption, as shown in Fig. 2, the communication of the present embodiment
Circuit can also include second signal isolated location 5；Communication unit U4 is connected with second signal isolated location 5；Enable signal is defeated
After entering second signal isolated location 5, then apply on communication unit U4 again.In practical applications, second signal isolated location 5 can be with
Being connected with communication unit U4 enables communication unit U4 up to him, can also be connected by control switch with communication unit U4,
By the closure of control switch, communication control unit U4's is turned on or off.
As shown in Fig. 2, the first signal isolation unit 11 can also include receiving port RXD, first resistor in the present embodiment
R1, the first photo-coupler U1 and the 4th resistance R4, third signal isolation unit 21 may include delivery port TXD, 3rd resistor
R3, third photo-coupler U3 and the 6th resistance R6, second signal isolated location 5 may include second resistance R2, send enable end
Mouth DE, the second photo-coupler U2 and the 5th resistance R5；Communication unit U4 may include 485 chip U4, the 9th resistance R9 to the tenth
Two resistance R12, communication interface 3 may include the communication of the first communication sub-interface A and second sub-interface B.By being applied to each light
The first power supply VCC1 and the second power supply VCC2 on coupler, so that corresponding photo-coupler works.
Fig. 3 be Fig. 1 another communicating circuit figure, as shown in figure 3, circuit switching section include connection structure (in figure not
Show again) and detachable device.Wherein, the detachable structure of the present embodiment can be connecting terminal, and detachable device can wrap
It includes 0 Ω resistance and/or conducting wire realizes that the present embodiment is for including the 7th resistance R7 and the 8th resistance R8 of 0 Ω.
In the present embodiment, the first signal isolation unit 11 and third signal isolation unit 21 by connection structure and lead to respectively
News unit U4 is detachably connected；First signal isolation unit 11 and third signal isolation unit 21 also pass through detachable device respectively
It is connected with communication interface 3；Communication unit U4 is detachably connected by connection structure with communication interface 3.
In the present embodiment, after dismantling communication unit U4 from communicating circuit, and detachable device is installed, first is formed
The communicating circuit of type, as target communication circuit.That is, only installing first resistor R1,3rd resistor R3, the first optocoupler
Clutch U1, third photo-coupler U3, the 4th resistance R4, the 6th resistance R6, the 7th resistance R7 and the 8th resistance R8, first resistor
R1,3rd resistor R3, the 4th resistance R4 and the 6th resistance R6 need according to corresponding power supply, the first photo-coupler U1
The parameters such as current transfer ratio and the current transfer ratio of third photo-coupler U3 are matched, and guarantee reliable communicating, the 7th resistance R7
It is 0 Ω resistance with the 8th resistance R8, plays connection.When communication unit U4 is mounted on communicating circuit, and by detachable device
After dismounting, the communicating circuit of Second Type is formed, as target communication circuit.That is, removing the 7th resistance R7 and the 8th resistance
Outside R8 is not installed, other components are all installed, and the parameter of each component is under the premise of guaranteeing reliable communicating, according to practical need
It asks and is adjusted.
In the present embodiment, if the communications protocol that the two boards communicated use is different, without being directed to one of plate weight
Communicating circuit newly developed, it is only necessary to the switching of different communicating circuits can be completed in shirtsleeve operation so that two boards can be realized it is logical
News, shorten product development cycle, reduce product development cost, easy to operate, quick.
The communicating circuit of the present embodiment, by input a signal into module 1, signal output module 2 and communication interface 3 with electricity
Road switching module 4 is connected, and forms the communicating circuit of at least two types, and is selected according to actual needs using circuit switching module 4
Logical target communication circuit, completes communication, when avoiding communications protocol difference between the two boards communicated, needs for wherein
The communicating circuit of one block of plate is developed again, is shortened product development cycle, is improved the practicability of communicating circuit.
The present invention also provides a kind of communication device, which is provided with the communicating circuit of embodiment as above.
The present invention also provides a kind of air-conditioning, which includes master control borad and driving plate, between the master control borad and the driving plate
Communication is realized using communicating circuit when such as listing.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that in the description of the present invention, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
Refer at least two.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (11)
1. a kind of communicating circuit, which is characterized in that cut including signal input module, signal output module, communication interface and circuit
Change the mold block；
The signal input module, the signal output module and the communication interface are connected with the circuit switching module；
The signal input module, the signal output module, the communication interface and the circuit switching module are formed at least
Two kinds of communicating circuit, and target communication circuit is gated by the circuit switching module.
2. communicating circuit according to claim 1, which is characterized in that including two kinds of communicating circuit；
The signal input module includes the first signal isolation unit, and the signal output module includes third signal isolation list
Member；
The circuit switching module includes circuit switching section and communication unit；
The first signal isolation unit, the third signal isolation unit are single by the circuit switching section and the communication
Member is connected；The first signal isolation unit, the third signal isolation unit also pass through the circuit switching section with it is described
Communication interface is connected；
The communication unit is connected by the circuit switching section with the communication interface；
Make the first signal isolation unit, the third signal isolation unit and the communication by the circuit switching section
Interface is disconnected with the communication unit, and makes the first signal isolation unit and the third signal isolation unit and institute
Communication interface conducting is stated, obtains the communicating circuit of the first kind as the target communication circuit；
Make the first signal isolation unit, the third signal isolation unit and the communication by the circuit switching section
Interface is connected with the communication unit, and makes the first signal isolation unit and the third signal isolation unit and institute
Communication interface disconnection is stated, obtains the communicating circuit of Second Type as the target communication circuit.
3. communicating circuit according to claim 2, which is characterized in that the circuit switching section includes first choice switch
With the second selection switch；
The first signal isolation unit and the third signal isolation unit respectively by the first choice switch with it is described
Communication unit is connected；
The first choice switch, the communication unit and the communication interface are connected with the second selection switch respectively.
4. communicating circuit according to claim 3, which is characterized in that the first choice switch and second selection are opened
Pass is 4 toggle switch；
If connecting the first signal isolation unit in the first choice switch and the first switch of the communication unit disconnecting；
The third signal isolation unit is connected in the first choice switch and the second switch of the communication unit disconnects；Described
The third that the first signal isolation unit and the second selection switch are connected in one selection switch closes the switch；Described first
The 4th that the third signal isolation unit and the second selection switch are connected in selection switch closes the switch；Second choosing
The 5th switch for selecting the first output end and the communication interface that the communication unit is connected in switch disconnects；Second selection
6th switch of second output terminal and the communication interface that the communication unit is connected in switch disconnects；Second selection is opened
The Central Shanxi Plain connects the communication interface and the 7th of the first switch the and closes the switch；It is connected in the second selection switch described logical
The 8th closing the switch for communication interface and the 4th switch, forms the communicating circuit of the first kind, logical as the target
Interrogate circuit；
If the first switch, the second switch, the 5th switch and the 6th switch are closed；The third is opened
Pass, the 4th switch, the 7th switch and the 8th switch disconnect, and form the communicating circuit of the Second Type,
As the target communication circuit.
5. communicating circuit according to claim 2, which is characterized in that the circuit switching section includes connection structure and can
Dismantle device；
The first signal isolation unit and the third signal isolation unit pass through connection structure and the communication unit respectively
It is detachably connected；
The first signal isolation unit and the third signal isolation unit also respectively by the detachable device with it is described
Communication interface is connected；
The communication unit is detachably connected by the connection structure and the communication interface；
The communication unit is dismantled from the communicating circuit, and by after detachable device installation, forms the first kind
The communicating circuit of type, as the target communication circuit；
The communication unit is mounted on the communicating circuit, and by after detachable device dismounting, forms second class
The communicating circuit of type, as the target communication circuit.
6. communicating circuit according to claim 5, which is characterized in that the detachable device includes 0 Ω resistance and/or leads
Line.
7. -6 any communicating circuit according to claim 1, which is characterized in that further include second signal isolated location；
The communication unit is connected with the second signal isolated location.
8. communicating circuit according to claim 7, which is characterized in that further include control switch；
The second signal isolated location is connected by the control switch with the communication unit.
9. communicating circuit according to claim 7, which is characterized in that the first signal isolation unit, second letter
Number isolated location and the third signal isolation unit include photo-coupler.
10. a kind of communication device, which is characterized in that be arranged just like the described in any item communicating circuits of claim 1-9.
11. a kind of air-conditioning, which is characterized in that including master control borad and driving plate；
It is communicated between the master control borad and the driving plate by such as described in any item communicating circuits of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811153333.2A CN109297145A (en) | 2018-09-29 | 2018-09-29 | Communicating circuit, communication device and air-conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811153333.2A CN109297145A (en) | 2018-09-29 | 2018-09-29 | Communicating circuit, communication device and air-conditioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109297145A true CN109297145A (en) | 2019-02-01 |
Family
ID=65161365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811153333.2A Pending CN109297145A (en) | 2018-09-29 | 2018-09-29 | Communicating circuit, communication device and air-conditioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109297145A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779084A (en) * | 2019-10-22 | 2020-02-11 | 珠海格力电器股份有限公司 | Indoor unit, communication control method thereof and storage medium |
| CN112769665A (en) * | 2021-01-14 | 2021-05-07 | 青岛海信日立空调系统有限公司 | Air conditioner communication device and communication system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0077657A2 (en) * | 1981-10-15 | 1983-04-27 | Convergent Technologies Inc. | Apparatus and methodology for configuration of an input/output digital circuit among different input/output protocols |
| CN209147367U (en) * | 2018-09-29 | 2019-07-23 | 珠海格力电器股份有限公司 | Communicating circuit, communication device and air-conditioning |
-
2018
- 2018-09-29 CN CN201811153333.2A patent/CN109297145A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0077657A2 (en) * | 1981-10-15 | 1983-04-27 | Convergent Technologies Inc. | Apparatus and methodology for configuration of an input/output digital circuit among different input/output protocols |
| CN209147367U (en) * | 2018-09-29 | 2019-07-23 | 珠海格力电器股份有限公司 | Communicating circuit, communication device and air-conditioning |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779084A (en) * | 2019-10-22 | 2020-02-11 | 珠海格力电器股份有限公司 | Indoor unit, communication control method thereof and storage medium |
| CN112769665A (en) * | 2021-01-14 | 2021-05-07 | 青岛海信日立空调系统有限公司 | Air conditioner communication device and communication system |
| CN112769665B (en) * | 2021-01-14 | 2022-02-08 | 青岛海信日立空调系统有限公司 | Air conditioner communication device and communication system |
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