CN109269033A - A kind of centralized control converter and air-conditioning system - Google Patents
A kind of centralized control converter and air-conditioning system Download PDFInfo
- Publication number
- CN109269033A CN109269033A CN201810943387.2A CN201810943387A CN109269033A CN 109269033 A CN109269033 A CN 109269033A CN 201810943387 A CN201810943387 A CN 201810943387A CN 109269033 A CN109269033 A CN 109269033A
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- Prior art keywords
- circuit
- indoor unit
- communications protocol
- controller
- control
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
Abstract
The embodiment of the invention discloses a kind of centralized control converter and air-conditioning systems, are related to field of air conditioning, solve the problems, such as that Centralized Controller control unit machine indoor unit and multi-online indoor machine can not work simultaneously.The specific scheme is that centralized control converter includes: the first communicating circuit, the second communicating circuit and control circuit；Wherein, control circuit is connect with the first communicating circuit and the second communicating circuit respectively, the first communicating circuit, and for connecting the first indoor unit, which is communicated using the first communications protocol；Second communicating circuit, for connecting controller and at least one second indoor unit, the controller and the second indoor unit are communicated using the second communications protocol；Control circuit is communicated with controlling the first indoor unit with controller for converting the first communications protocol and the second communications protocol.During the indoor unit work different for the communications protocol of controller control use of the embodiment of the present invention.
Description
Technical field
The present embodiments relate to field of air conditioning more particularly to a kind of centralized control converter and air-conditioning systems.
Background technique
In the prior art, multi-online air-conditioning system may include an outdoor unit, the multiple multi-connected machines connecting with outdoor unit
Indoor unit and Centralized Controller, wherein multiple multi-online indoor machines use communications protocol of the same race, such Centralized Controller
To be communicated by the communications protocol with each multi-online indoor machine, to control multi-online indoor machine work.
But if the communications protocol of the use unit machine indoor unit different from multi-online indoor machine is connected to above-mentioned room
On outer machine, then since Centralized Controller cannot achieve the conversion of different communications protocol, so that Centralized Controller can not same time control
Unit machine indoor unit and multi-online indoor machine processed work.
Summary of the invention
The present invention provides a kind of centralized control converter and air-conditioning system, and list can not be controlled simultaneously by solving Centralized Controller
The problem of first machine indoor unit and multi-online indoor machine are worked.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
In a first aspect, the present invention provides a kind of centralized control converter, which may include: first logical
Interrogate circuit, the second communicating circuit and control circuit, wherein control circuit respectively with the first communicating circuit and the second communicating circuit
Connection.First communicating circuit, for connecting the first indoor unit for using the communication of the first communications protocol；Second communicating circuit, is used for
Controller and at least one second indoor unit, controller and the second indoor unit is connected to communicate using the second communications protocol；Control electricity
Road is communicated with controlling the first indoor unit with controller for converting the first communications protocol and the second communications protocol.
With reference to first aspect, in one possible implementation, centralized control converter can also include: third communication
Circuit；Wherein, control circuit is connect with third communicating circuit；Third communicating circuit, for connecting line control machine, line control machine is for controlling
Make the work of the first indoor unit.
With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, the second communication is electric
Road is communication data control bus (High NET, H-NET) communicating circuit, and the second communications protocol is H-NET communications protocol.H-
NET communicating circuit may include: bus (Bus), end-loopback, positive voltage protective loop, collection of letters top-cross galvanic electricity
(chip is No. 1192 cores that three U.S. companies produce for (Alternating Current, AC) coupling circuit, MM1192 chip
Piece), bus driving circuits, side AC coupling circuit of delivering letters, negative voltage protective loop and two-way codomain conversion circuit.
With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, the first communication is electric
Road and third communicating circuit are current-loop communication circuit, and the first communications protocol is electric current loop communications protocol.Current-loop communication circuit
It may include: that anti-reverse design circuit, current supply circuit, filter circuit, collection of letters side signal amplification circuit, side signal of delivering letters amplify back
Road.
With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, control circuit can
Think single chip circuit.
With reference to first aspect with above-mentioned possible implementation, in alternatively possible implementation, controller can be with
For Centralized Controller or line control machine.
Second aspect, the present invention provide a kind of air-conditioning system, which may include first aspect or first aspect
Any one of possible implementation centralized control converter.
In conjunction with second aspect, in one possible implementation, air-conditioning system can also include: outdoor unit, the first Room
Interior machine, at least one second indoor unit and controller.Wherein, the first indoor unit is communicated using the first communications protocol, controller
It is communicated with the second indoor unit using the second communications protocol；Centralized control converter, for communicating the first communications protocol with second
Agreement is converted to control the first indoor unit and be communicated with controller.
In conjunction with second aspect and above-mentioned possible implementation, in alternatively possible implementation, air-conditioning system is also
It may include: line control machine, the line control machine is for controlling the work of the first indoor unit.
The third aspect provides a kind of centralized control converter, the centralized control converter include: at least one processor,
Memory, communication interface and communication bus.Processor is connect with memory, communication interface by communication bus, and memory is used for
Computer executed instructions are stored, when the operation of centralized control converter, the computer execution that processor executes memory storage refers to
It enables.
Centralized control converter provided by the invention can convert the first communications protocol and the second communications protocol,
Allow controller logical by centralized control converter different from communications protocol simultaneously the first indoor unit and the second indoor unit
Letter, realizes controller to the centralized control of indoor unit.
Detailed description of the invention
Fig. 1 is a kind of composition schematic diagram of centralized control converter provided in an embodiment of the present invention；
Fig. 2 is the composition schematic diagram of another centralized control converter provided in an embodiment of the present invention；
Fig. 3 is a kind of composition schematic diagram of H-NET communicating circuit provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram that a kind of MM1192 chip provided in an embodiment of the present invention exports square-wave signal；
Fig. 5 is a kind of composition schematic diagram of current-loop communication circuit provided in an embodiment of the present invention；
Fig. 6 is a kind of composition schematic diagram of air-conditioning system provided in an embodiment of the present invention；
Fig. 7 is the composition schematic diagram of another air-conditioning system provided in an embodiment of the present invention；
Fig. 8 is a kind of schematic diagram of controller output signal provided in an embodiment of the present invention；
Fig. 9 is the composition schematic diagram of another air-conditioning system provided in an embodiment of the present invention；
Figure 10 is a kind of schematic diagram of line control machine output signal provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 is a kind of centralized control converter provided in an embodiment of the present invention, as shown in Figure 1, the centralized control converter
10 may include: the first communicating circuit 11, the second communicating circuit 12 and control circuit 13.Wherein, control circuit 13 respectively with
First communicating circuit 11 and the connection of the second communicating circuit 12.
First communicating circuit 11, for connecting the first indoor unit, which is communicated using the first communications protocol.
Second communicating circuit 12, for connecting controller and at least one second indoor unit, controller and the second indoor unit
It is communicated using the second communications protocol.
Control circuit 13, for converting the first communications protocol and the second communications protocol, to control the first indoor unit
It is communicated with controller.
In this way, since centralized control converter can convert the first communications protocol and the second communications protocol, so that
Controller can be communicated by the first different from communications protocol simultaneously indoor unit of centralized control converter and the second indoor unit, real
Controller is showed to the centralized control of indoor unit.
In embodiments of the present invention, further, as shown in Fig. 2, centralized control converter 10 can also include: that third is logical
Interrogate circuit 14.Wherein, control circuit 13 is connect with third communicating circuit 14.
Third communicating circuit 14, for connecting line control machine, the line control machine is for controlling the work of the first indoor unit.
In embodiments of the present invention, further, the second communicating circuit 12 can be H-NET communicating circuit or other supports
Communicating circuit, be illustrated so that the second communicating circuit 12 is H-NET communicating circuit as an example in the embodiment of the present invention, at this point, phase
The second communications protocol answered is H-NET communications protocol.Specifically, as shown in figure 3, H-NET communicating circuit may include: bus
121, end-loopback 122, positive voltage protective loop 123, collection of letters side AC coupling circuit 124, MM1192 chip 125, bus driver
Circuit 126, side AC coupling circuit 127 of delivering letters, negative voltage protective loop 128 and two-way codomain conversion circuit 129.
Wherein, bus 121, the signal being used for transmission between controller and centralized control converter.
End-loopback 122, is positioned close to controller end, the specific biggish capacitance-resistance of resistance value for parallel connection, for reducing
As communicating waveform propagation delay time caused by signal interference.
Positive voltage protective loop 123 and negative voltage protective loop 128 are used to ensure the normal work of H-NET communicating circuit
Make.
Collection of letters side AC coupling circuit 124, for receiving signal.
MM1192 chip 125 is square-wave signal for that will communicate waveform convertion, as shown in figure 4, to guarantee the normal of signal
Transmission.
Bus driving circuits 126, for increasing driving capability, to assist MM1192 chip 125 to transmit signal.
It delivers letters side AC coupling circuit 127, for sending signal.
Two-way codomain conversion circuit 129, wherein the square wave that the value for exporting MM1192 chip 125 is 50% all the way is believed
Number, it is transformed to the signal that value that control circuit 13 can identify is 100%, in addition the value for exporting control circuit 13 all the way
For 100% signal, the value that MM1192 chip 125 can identify is transformed to as 50% signal.
In this way, bus can be passed through when controller sends signal to the first indoor unit and at least one second indoor unit
121 transmission signals are received by collection of letters side AC coupling circuit 124 and are believed via positive voltage protective loop 123 and end-loopback 122
Number, and it is transmitted to MM1192 chip 125, after the square-wave signal for being 50% by 125 output valve of MM1192 chip, via codomain all the way
Conversion circuit 129, the signal for being 100% to 13 sending value of control circuit.At this point, control circuit 13 will can be received directly
Signal is forwarded at least one second indoor unit, and is decoded to the signal using H-NET communications protocol received, wait turn
After being changed to the signal using the first communications protocol, which is transmitted to the first communicating circuit, to realize controller to first
The control of indoor unit.
Correspondingly, when centralized control converter to controller send signal when, 13 output valve of control circuit be 100% letter
Number, by carrying out logical operation with clock signal of delivering letters, it is 50% that signal, which is transformed into value via codomain conversion circuit 129 all the way,
Signal, and be transmitted to MM1192 chip 125, increase driving capability via bus driving circuits 126, pass through side AC coupling of delivering letters
Circuit 127 sends signal, then via negative voltage protective loop 128 and positive voltage protective loop 123, reaches the first indoor unit.
It should be noted that using pulsewidth modulation (Pulse Width Modulation, PWM) mould in the embodiment of the present invention
Quasi- mode sends signal, in the prior art use Serial Peripheral Interface (SPI) (Serial Peripheral Interface,
SPI) mode sends synchronization signal and compares, since communication waveform is continuous, so that the signal of transmission is more stable.
In embodiments of the present invention, further, the first communicating circuit 11 and third communicating circuit 14 can be electric current loop
Communicating circuit, or H-NET communicating circuit can also be the communicating circuit that other are supported, with the in the embodiment of the present invention
One communicating circuit 11 and third communicating circuit 14 are to be illustrated for current-loop communication circuit, at this point, corresponding first is logical
News agreement is electric current loop communications protocol.Specifically, as shown in figure 5, current-loop communication circuit may include: anti-reverse design circuit
111, current supply circuit 112, filter circuit 113, collection of letters side signal amplification circuit 114 and side signal amplifying return circuit 115 of delivering letters.
Wherein, anti-reverse design circuit 111, for preventing reverse power connection, with protective current ring communicating circuit.
Current supply circuit 112, for providing power supply.
Filter circuit 113 keeps communication waveform smooth, so that signal stabilization for eliminating filtering.
Collection of letters side signal amplification circuit 114, the signal for sending the first indoor unit, being enlarged into control circuit 13 can be with
Received signal.
It delivers letters side signal amplifying return circuit 115, for being enlarged into the first Room for the decoded lesser signal of control circuit 13
The signal that interior machine can receive, and carry out steady pressure treatment.
In embodiments of the present invention, further, control circuit specifically can be single chip circuit.
In embodiments of the present invention, further, controller can be Centralized Controller or line control machine.When controller is collection
When middle controller, the second communicating circuit is connected with the second two or more indoor units, when controller is line control machine, the
Two communication circuit connections have second indoor unit.
Fig. 6 is a kind of air-conditioning system provided in an embodiment of the present invention, as shown in fig. 6, the air-conditioning system may include: such as figure
Any centralized control converter 10 in 1- Fig. 5.
In embodiments of the present invention, further, as shown in fig. 7, the air-conditioning system can also include: outdoor unit 21,
One indoor unit 22, at least one second indoor unit 23 and controller 24.
Wherein, outdoor unit 21 is connect with the first indoor unit 22 and at least one second indoor unit 23 respectively, and centralized control turns
Parallel operation 10 is connect with the first indoor unit 22, at least one second indoor unit 23 and controller 24 respectively.
And first indoor unit 22 communicated using the first communications protocol, controller 24 and at least one second indoor unit 23 are adopted
It is communicated with the second communications protocol, centralized control converter 10, for the first communications protocol and the second communications protocol to be converted,
It is communicated with controlling the first indoor unit 22 with controller 24.In this way, controller 24 can pass through centralized control converter 10
The first indoor unit 22 and at least one second indoor unit 23 are controlled simultaneously.
In concrete implementation, as shown in figure 8, when controller 24 is needed to the first indoor unit 22 and at least one second Room
When interior machine 23 sends signal, controller 24 first can send signal to centralized control converter 10, and centralized control converter 10 can
The signal is directly transparent at least one second indoor unit 23, and the signal is decoded, is sent out to the first indoor unit 22
Send signal that is decoded, supporting the first communications protocol.First indoor unit 22 and at least one second indoor unit 23 are receiving
After signal, can respectively to centralized control converter 10 send feedback signal, in this way, centralized control converter 10 receive to
After the feedback signal that few second indoor unit 23 is sent, which can be transparent to controller 24, to notify to control
24 second indoor unit 23 of device has been properly received signal.And centralized control converter 10 is receiving the transmission of the first indoor unit 22
After feedback signal, which can be decoded, and send decoded, the second communications protocol of support to controller 24
Feedback signal, signal has been properly received with 24 first indoor unit 22 of notification controller.
It should be noted that in embodiments of the present invention, equipment upon receipt of the signals, can extend preset time
Afterwards, then by the signal it sends, occurs to avoid multi-signal chaotic.
In embodiments of the present invention, further, as shown in figure 9, air-conditioning system can also include: line control machine 25.
Wherein, centralized control converter 10 is also connect with line control machine 25, and, line control machine 25 is logical using the first communications protocol
Letter, for controlling the work of the first indoor unit 22.
In concrete implementation, as shown in Figure 10, when line control machine 25 needs to send signal to the first indoor unit 22, line traffic control
Device 25 first can send signal to centralized control converter 10, then the signal is directly transparent to the by centralized control converter 10
One indoor unit 22.First indoor unit 22 upon receipt of the signals, can send feedback signal to centralized control converter 10, concentrate
The feedback signal can be transparent to line control machine 25 by control converter 10, to notify 25 first indoor unit 22 of line control machine to succeed
Receive signal.And centralized control converter 10 receive the first indoor unit 22 transmission feedback signal after, can also be anti-to this
Feedback signal is decoded, and sends feedback signal that is decoded, supporting the second communications protocol to controller 24, so as to controller
24 understand the operating status of the first indoor unit 22.
It should be noted that in the embodiment of the present invention, in the case where air-conditioning system includes line control machine 25, in conjunction with Fig. 8, collection
The feedback signal can also be transparent to line after the feedback signal for receiving the transmission of the first indoor unit 22 by middle control converter 10
Device 25 is controlled, so that line control machine 25 understands the operating status of the first indoor unit 22.
Through the above description of the embodiments, it is apparent to those skilled in the art that, for description
It is convenienct and succinct, only the example of the division of the above functional modules, in practical application, can according to need and will be upper
It states function distribution to be completed by different functional modules, i.e., the internal structure of device is divided into different functional modules, to complete
All or part of function described above.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Change or replacement in the technical scope disclosed by the present invention, should be covered by the protection scope of the present invention.Therefore, this hair
Bright protection scope should be based on the protection scope of the described claims.
Claims (9)
1. a kind of centralized control converter, which is characterized in that the centralized control converter includes: the first communicating circuit, second
Communicating circuit and control circuit；Wherein, the control circuit is electric with first communicating circuit and second communication respectively
Road connection；
First communicating circuit, for connecting the first indoor unit, first indoor unit is communicated using the first communications protocol；
Second communicating circuit, for connecting controller and at least one second indoor unit, the controller and described second
Indoor unit is communicated using the second communications protocol；
The control circuit, for converting first communications protocol and second communications protocol, described in control
First indoor unit is communicated with the controller.
2. centralized control converter according to claim 1, which is characterized in that the centralized control converter further include:
Third communicating circuit；Wherein, the control circuit is connect with the third communicating circuit；
The third communicating circuit, for connecting line control machine, the line control machine is for controlling the first indoor unit work.
3. centralized control converter according to claim 1, which is characterized in that second communicating circuit is communication data
Control bus communicating circuit, second communications protocol are communication data control bus communications protocol；
The communication data control bus communicating circuit includes: bus, end-loopback, positive voltage protective loop, collection of letters top-cross stream
Electric coupling circuit, MM1192 chip, bus driving circuits, top-cross of delivering letters galvanic electricity coupling circuit, negative voltage protective loop and two
Road codomain conversion circuit.
4. centralized control converter according to claim 1 or 2, which is characterized in that first communicating circuit and described
Third communicating circuit is current-loop communication circuit, and first communications protocol is electric current loop communications protocol；
The current-loop communication circuit includes: anti-reverse design circuit, current supply circuit, filter circuit, collection of letters side signal amplification electricity
Road and side signal amplifying return circuit of delivering letters.
5. centralized control converter according to any one of claim 1-3, which is characterized in that the control circuit is single
Piece electromechanics road.
6. centralized control converter according to claim 1, which is characterized in that the controller is Centralized Controller or line
Control device.
7. a kind of air-conditioning system, which is characterized in that the air-conditioning system includes such as concentration of any of claims 1-6
Control converter.
8. air-conditioning system according to claim 7, which is characterized in that the air-conditioning system further include: outdoor unit, the first Room
Interior machine, at least one second indoor unit and controller；
Wherein, first indoor unit is communicated using the first communications protocol, and the controller and second indoor unit are using the
Two communication protocol communications；The centralized control converter, for will first communications protocol and second communications protocol into
Row conversion is communicated with controlling first indoor unit with the controller.
9. air-conditioning system according to claim 7 or 8, which is characterized in that the air-conditioning system further include: line control machine, institute
Line control machine is stated for controlling the first indoor unit work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810943387.2A CN109269033B (en) | 2018-08-17 | 2018-08-17 | Centralized control converter and air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810943387.2A CN109269033B (en) | 2018-08-17 | 2018-08-17 | Centralized control converter and air conditioning system |
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| CN109269033A true CN109269033A (en) | 2019-01-25 |
| CN109269033B CN109269033B (en) | 2021-04-30 |
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| CN201810943387.2A Active CN109269033B (en) | 2018-08-17 | 2018-08-17 | Centralized control converter and air conditioning system |
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Cited By (5)
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| CN109974232A (en) * | 2019-03-21 | 2019-07-05 | 广东美的制冷设备有限公司 | Quick control method, terminal, air-conditioner system and the medium of air-conditioner system |
| CN113251560A (en) * | 2021-05-25 | 2021-08-13 | 珠海格力电器股份有限公司 | Control method, adapter and air handling unit |
| CN114576828A (en) * | 2020-12-01 | 2022-06-03 | 佛山市顺德区美的电子科技有限公司 | Communication management method, branching box, multi-split air conditioning system and storage medium |
| CN114738942A (en) * | 2022-03-29 | 2022-07-12 | 青岛海尔空调电子有限公司 | Wire controller and control method and device of air conditioning system of wire controller |
| CN114893888A (en) * | 2022-05-13 | 2022-08-12 | 特灵空调系统(中国)有限公司 | Method, device and medium for processing messages of air conditioner indoor unit controller to line controller |
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|---|---|
| CN109269033B (en) | 2021-04-30 |
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