CN110500700A - A kind of control method, controller and control system - Google Patents
A kind of control method, controller and control system Download PDFInfo
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- CN110500700A CN110500700A CN201910769921.7A CN201910769921A CN110500700A CN 110500700 A CN110500700 A CN 110500700A CN 201910769921 A CN201910769921 A CN 201910769921A CN 110500700 A CN110500700 A CN 110500700A
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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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
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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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
- F24F11/88—Electrical aspects, e.g. circuits
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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
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/20—Feedback from users
Abstract
The invention discloses a kind of control method, controller and control systems, are related to air-conditioning and Refrigeration Engineering technical field, carry out data communication for the outer machine of multi-connected machine and unit machine indoor unit.It include: to obtain the transmission data that machine is sent by electric current loop communication modes at least one unit machine；According to the transmission data that machine at least one described unit machine is sent by electric current loop communication modes, the first demand information is determined；Wherein, first demand information includes demand of the machine to machine running frequency outside multi-connected machine at least one described unit machine；By first demand information, machine outside the multi-connected machine is sent to by bus communication mode, so that the outer machine of the multi-connected machine according to first demand information, calculates target operating frequency and runs according to the target operating frequency.The embodiment of the present invention is applied to machine in the outer machine of multi-connected machine and unit machine and carries out data communication.
Description
Technical field
The present invention relates to air-conditioning and Refrigeration Engineering technical fields more particularly to a kind of controller, control method and control to be
System.
Background technique
Currently, air-conditioning products are generally divided into multi-gang air-conditioner and unit air conditioner；Wherein, multi-gang air-conditioner drags more using one
Mode, use bus communication mode between machine in the outer machine of multi-connected machine and multiple multi-connected machines；And unit air conditioner mostly uses one to drag
One mode, the outer machine of unit machine is with machine in unit machine by the way of electric current loop communication.
With the change of application scenarios, many user's selections increase multi-connected machine newly on the basis of having more unit air conditioners
Air-conditioning；But because using different communication modes between the outer machine of multi-connected machine and machine in unit machine, lead to the outer machine of multi-connected machine and unit
Data communication can not be carried out in machine between machine, the outer machine of multi-connected machine also can not adjust itself according to the switching on and shutting down demand of machine in unit machine
Running frequency.
Summary of the invention
The embodiment of the present invention provides a kind of control method, controller and control system, for the outer machine of multi-connected machine and unit
Machine carries out data communication in machine.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
In a first aspect, a kind of control method is provided, this method comprises: obtaining machine at least one unit machine passes through electric current
The transmission data that ring communication modes are sent；The biography sent according to machine at least one described unit machine by electric current loop communication modes
Transmission of data determines the first demand information；Wherein, first demand information is including machine at least one described unit machine to multi-joint
The demand of the outer machine running frequency of machine；By first demand information, machine outside the multi-connected machine is sent to by bus communication mode,
So that the outer machine of the multi-connected machine calculates target operating frequency and according to the object run frequency according to first demand information
Rate operation.
Second aspect provides a kind of controller, which includes that acquiring unit, determination unit and the first transmission are single
Member；Wherein, the determination unit is connect with the acquiring unit and first transmission unit respectively；The acquiring unit is used
In the transmission data that machine is sent by electric current loop communication modes at least one unit machine of acquisition；The determination unit is used for
After obtaining the transmission data that machine at least one unit machine is sent by electric current loop communication modes, according at least one described unit
The transmission data that machine is sent by electric current loop communication modes in machine, determine the first demand information；Wherein, first demand information
Including demand of the machine to machine running frequency outside multi-connected machine at least one described unit machine；First transmission unit is used for
After determining the first demand information, by first demand information, machine outside the multi-connected machine is sent to by bus communication mode, with
So that the outer machine of the multi-connected machine calculates target operating frequency and according to the target operating frequency according to first demand information
Operation.
The third aspect provides a kind of control system, which is characterized in that the control system includes the outer machine of multi-connected machine, extremely
Machine in a few multi-connected machine, machine and at least one controller as described in second aspect at least one unit machine；Wherein, described
The outer machine of multi-connected machine is connect with machine at least one described multi-connected machine and at least one described controller respectively；At least one described list
Machine is connect with a controller in controller described at least one respectively in each unit machine in machine in first machine.
A kind of control method, controller and the control system that the embodiment of the present invention provides, be applied to the outer machine of multi-connected machine with
The data communication of machine in unit machine, by obtaining the transmission number that machine is sent by electric current loop communication modes at least one unit machine
According to；And the transmission data sent according to machine at least one described unit machine by electric current loop communication modes, determine the first demand
Information；By first demand information, machine outside the multi-connected machine is sent to by bus communication mode, so that the multi-connected machine
Outer machine calculates target operating frequency and runs according to the target operating frequency according to first demand information；It can be according to
Different communication modes are communicated with machine in machine outside multi-connected machine and unit machine respectively, can make the outer machine of multi-connected machine and multiple units
Machine collocation operation in machine, so as to make to be able to carry out communication between machine in machine and unit machine outside multi-connected machine, multi-connected machine function outside
Enough running frequencies that itself is adjusted according to the switching on and shutting down demand of machine in unit machine.
Detailed description of the invention
Fig. 1 is a kind of control system schematic diagram one that the embodiment of the present invention provides；
Fig. 2 is a kind of control method flow diagram one that the embodiment of the present invention provides；
Fig. 3 is a kind of control method flow diagram two that the embodiment of the present invention provides；
Fig. 4 is a kind of control method flow diagram three that the embodiment of the present invention provides；
Fig. 5 is a kind of controller architecture schematic diagram one that the embodiment of the present invention provides；
Fig. 6 is a kind of controller architecture schematic diagram two that the embodiment of the present invention provides；
Fig. 7 is a kind of controller architecture schematic diagram three that the embodiment of the present invention provides.
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 is described.
In the description of the present invention, unless otherwise indicated, "at least one" refers to one or more, and " multiple " refer to two
Or it is more than two.The printed words such as " first ", " second " are not defined quantity and execution order, and " first ", " second "
Equal printed words do not limit certain different yet.
Hereinafter, introducing inventive concept of the invention: traditional air-conditioning products are generally divided into multi-gang air-conditioner and unit machine is empty
It adjusts；Wherein, multi-gang air-conditioner using one drag it is more by the way of, use bus communication between machine in the outer machine of multi-connected machine and multiple multi-connected machines
Mode specifically includes RS-485 communication modes and home bus communication modes；And unit air conditioner mostly uses the mode of one-to-one,
Machine is by the way of electric current loop communication in the outer machine of unit machine and unit machine.Change with the limitation of application scenarios or to air conditioning requirements
Become, many user's selections increase multi-gang air-conditioner newly on the basis of having more unit air conditioners, or empty in existing multi-connected machine
It increases more unit air conditioners on the basis of tune newly, runs more unit air conditioners simultaneously with multi-gang air-conditioner.
In the above scheme, it because multi-gang air-conditioner respectively uses different communication modes from unit air conditioner, leads
It causes not communicated between machine in the outer machine of multi-connected machine and unit machine, the outer machine of multi-connected machine can not be according to the switching on and shutting down of machine in unit machine
Demand adjusts the running frequency of itself.
In view of the above technical problems, in view of can use the outer machine of different communication modes and multi-connected machine and list in the present invention
Machine is communicated respectively in first machine, and the parameter of machine in multiple unit machines is collected in the way of current ring communication, then according to interior machine
Parameter generate the demand information run for controlling machine outside multi-connected machine, then with bus communication mode demand information is sent to more
Online outer machine, so that the outer machine of multi-connected machine can determine the working frequency of itself according to the integrated demand received, so as to solve
Certainly above-mentioned technical problem.
Conceived based on foregoing invention, as shown in Figure 1, a kind of control method provided in an embodiment of the present invention, is applied to one kind
Controller in control system 100, the control system 100 include machine 101 outside multi-connected machine, machine (such as Fig. 1 at least one multi-connected machine
In, machine includes machine 102-1 in multi-connected machine, machine 102-2 in multi-connected machine at least one multi-connected machine, merely exemplary in figure to show two
Machine in a multi-connected machine can have machine in more or less multi-connected machine in the specific implementation), machine at least one unit machine
(as shown in figure 1, machine includes machine 103-1 in unit machine, machine 103-2 in unit machine, machine 103- in unit machine at least one unit machine
3, it is merely exemplary in figure that machine in three unit machines is shown, can have in more or less unit machine in the specific implementation
Machine) and at least one controller (as shown in figure 1, machine includes controller 104-1, controller 104-2, figure at least one unit machine
In it is merely exemplary two controllers are shown, can have more or less controller in the specific implementation)；Wherein, multi-joint
The outer machine 101 of machine is connect with machine at least one multi-connected machine and at least one controller respectively；It is each in machine at least one unit machine
Machine is connect with a controller at least one controller respectively in unit machine.
As shown in Fig. 2, the control method includes S201-S203:
S201, the transmission data that machine is sent by electric current loop communication modes at least one unit machine are obtained.
Wherein, transmission data specifically include the first instruction or the second instruction；Wherein, the first instruction includes at least one unit
In machine in machine in each unit machine machine power-on instruction, room temperature, capacity requirement, type classification, wind speed setting, set temperature；
Second instruction includes shutdown command.
Specifically, controller obtains at least one unit machine in machine in each unit machine machine in the way of electric current loop communication
Transmission data are sent to controller.
It should be noted that carrying out data biography between machine in controller and at least one unit machine with electric current loop communication modes
It is defeated, machine in a unit machine at least one unit machine in machine is corresponded to per electric current loop all the way.
Optionally, after S201 provided in an embodiment of the present invention, can also include:
If machine is the first finger by the transmission data that electric current loop communication modes are sent at least one unit machine got
It enables, then the connection of machine and AC power source in unit machine corresponding with power-on instruction is connected.
It should be noted that controller can be interior for each unit in machine at least one unit machine and provides AC power source, if
Machine includes power-on instruction into the transmission data that controller is sent in unit machine, then controller be connected in the unit machine machine with exchange
The connection of power supply is powered for machine in the unit machine.
Optionally, after S201 provided in an embodiment of the present invention, can also include:
If machine is the second finger by the transmission data that electric current loop communication modes are sent at least one unit machine got
It enables, then disconnects the connection of machine and AC power source in unit machine corresponding with shutdown command.
It should be noted that if machine includes shutdown command into the transmission data that controller is sent in unit machine, then control
Device disconnects the connection of machine and AC power source in the unit machine.
S202, the transmission data sent according to machine at least one unit machine by electric current loop communication modes, determine first
Demand information.
Specifically, controller according in machine at least one unit machine got in each unit machine machine transmission data,
Determine demand of the machine to 101 running frequency of machine outside multi-connected machine in all unit machines connecting with the controller.
Wherein, controller is with specific reference to machine in each unit machine in machine at least one unit machine included in transmission data
Corresponding room temperature, capacity requirement, wind speed setting, set temperature and shutdown command determine the first demand.
Wherein, the first demand information includes demand of the machine to 101 running frequency of machine outside multi-connected machine at least one unit machine.
Illustratively, the first demand information may include the running frequency of the outer machine of multi-connected machine, so that the outer machine of multi-connected machine is pressed
It works according to the running frequency for including in the first demand information.
Further, as shown in Figure 1, when machine 103-1,103-2 are standby in unit machine, in unit machine machine 103-1 to
Controller 104-1 sends power-on instruction, and controller 104-1 transmits data according to the booting that machine in unit machine is sent, determines first
Demand information.
Alternatively, as shown in Figure 1, in unit machine machine 103-1 operation, when machine 103-2 is standby in unit machine, machine in unit machine
103-2 sends power-on instruction to controller 104-1, then the transmission data that controller 104-1 is sent according to machine 103-1 in unit machine
And the transmission data that machine 103-2 is sent in unit machine, determine the first demand information.
S203, by the first demand information, machine 101 outside multi-connected machine are sent to by bus communication mode, so that multi-connected machine
Outer machine 101 calculates target operating frequency and runs according to target operating frequency according to the first demand information.
Specifically, controller is sent to machine 101 outside multi-connected machine by the first demand information, by bus communication mode.
It should be noted that transmitting data by way of bus communication between controller and the outer machine 101 of multi-connected machine.
Illustratively, as shown in Figure 1, controller 104-1 is after determining the first demand information, pass through the side of bus communication
First demand information is sent to machine 101 outside multi-connected machine by formula.
It optionally, may include: the dial-up state according to toggle switch before S203 provided in an embodiment of the present invention, it is raw
At preset address.
Specifically, including toggle switch in controller, controller generates preset address according to the state of toggle switch.
Wherein, preset address is also used to enable the outer machine 101 of multi-connected machine for making multi-connected machine 101 identification controller of outer machine
Distinguish multiple controllers.
In one implementation, the outer machine of multi-connected machine can be to machine at least one controller and multi-connected machine automatically distributively
Location.
Optionally, S203 provided in an embodiment of the present invention, can specifically include: by the first demand information, with preset address
As address, machine 101 outside multi-connected machine are sent to by bus communication mode.
Specifically, controller with the first demand information passed through into bus communication mode using preset address as address
It is sent to the outer machine 101 of multi-connected machine.
Optionally, as shown in figure 3, in S202 provided in an embodiment of the present invention after determining the first demand information, the control
Method processed can also include S204:
If S204, failing the first demand information, machine 101 outside multi-connected machine are sent to by bus communication mode, then are passed through
Electric current loop communication modes, at least one unit machine, machine sends control instruction.
Wherein, control instruction is shut down after machine reaches preset temperature at least one unit machine for making.
Optionally, as shown in figure 4, S204 provided in an embodiment of the present invention, can also include specifically S2041-S2042:
If S2041, failing the first demand information, machine 101 outside multi-connected machine are sent to by bus communication mode, then are generated
Control instruction.
Specifically, generating control if the first demand information is sent to machine 101 outside multi-connected machine not successfully by controller determination
Instruction.
It should be noted that the first demand information is sent to machine 101 outside multi-connected machine not successfully by controller determination, it specifically can be with
It include: that controller after first demand information of the transmission of machine 101, receives transmission failure information, by preset time to outside multi-connected machine
It repeats to send the first demand information afterwards, if continuous n times receive transmission failure information, it is determined that not successfully by the first demand information
It is sent to the outer machine 101 of multi-connected machine.
S2042, pass through electric current loop communication modes, machine sends control instruction at least one unit machine.
Specifically, controller is by electric current loop communication modes, into all unit machines connected to the controller, machine sends control
System instruction.
Optionally, control method provided in an embodiment of the present invention, further includes S1-S3:
S1, the corresponding tracheae temperature of machine and liquid pipe temperature in each unit machine are obtained at least one unit machine in machine.
Specifically, controller obtains the tracheae temperature and liquid pipe temperature of machine in each unit machine in unit machine during machine operation
Degree.
It should be noted that controller connects with the tracheae temperature sensor of machine in each unit machine and liquid pipe temperature sensor respectively
It connects, and provides the DC voltage of 5V for the tracheae temperature sensor and liquid pipe temperature sensor of machine in each unit machine.
S2, according in machine at least one unit machine in each unit machine machine tracheae temperature and liquid pipe temperature, generate adjust
Instruction.
Wherein, regulating command, it is swollen for adjusting electronics corresponding with machine in each unit machine in machine at least one unit machine
Swollen valve.
It should be noted that controller electric expansion valve corresponding with machine in each unit machine in machine at least one unit machine connects
It connects, and provides the DC voltage of 12V at least one electric expansion valve.
Illustratively, regulating command can specifically include the first regulating command and the second regulating command；When at least one list
The tracheae temperature Yu liquid pipe temperature of machine be there are difference in a unit machine in first machine in machine, and when difference is more than preset range,
Generate the first regulating command；Wherein, the first regulating command increases for controlling electric expansion valve corresponding with machine in the unit machine
The flow of machine in the unit machine；When the tracheae temperature Yu liquid pipe temperature of machine in a unit machine at least one unit machine in machine
When existing difference is no more than preset range, the second regulating command is generated；Wherein, the second regulating command is for controlling and the unit
The corresponding electric expansion valve of machine reduces the flow of machine in the unit machine in machine.
S3, according to regulating command, adjust electronic expansion corresponding with machine in each unit machine in machine at least one unit machine
The aperture of valve.
Specifically, controller is adjusted corresponding with machine in each unit machine in machine at least one unit machine according to regulating command
Electric expansion valve aperture so that the flow of machine increases or reduces in each unit machine in machine at least one unit machine.
A kind of control method, controller and the control system that the embodiment of the present invention provides, be applied to the outer machine of multi-connected machine with
The data communication of machine in unit machine, by obtaining the transmission number that machine is sent by electric current loop communication modes at least one unit machine
According to；And the transmission data sent according to machine at least one unit machine by electric current loop communication modes, determine the first demand information；
By the first demand information, machine outside multi-connected machine is sent to by bus communication mode, so that the outer machine of multi-connected machine is according to the first demand
Information calculates target operating frequency and runs according to target operating frequency；Can according to different communication modes respectively with it is multi-joint
Machine is communicated in the outer machine of machine and unit machine, can make machine collocation operation in the outer machine of multi-connected machine and multiple unit machines, so as to
Make to be able to carry out communication in the outer machine of multi-connected machine and unit machine between machine, the outer machine of multi-connected machine can be according to the switching on and shutting down of machine in unit machine
Demand adjusts the running frequency of itself.
In the case where each function division of use correspondence each functional module, the embodiment of the invention provides above-mentioned implementations
A kind of possible structural schematic diagram of controller in control system 100 involved in example, as shown in figure 5, controller 300 includes obtaining
Take unit 301, determination unit 302 and the first transmission unit 303.
Wherein it is determined that unit 302 is connect with acquiring unit 301 and the first transmission unit 303 respectively.
Acquiring unit 301, for obtaining the transmission number that machine is sent by electric current loop communication modes at least one unit machine
According to.
Determination unit 302, for obtaining the transmission that machine is sent by electric current loop communication modes at least one unit machine
After data, according to the transmission data that machine at least one unit machine is sent by electric current loop communication modes, determine that the first demand is believed
Breath；Wherein, the first demand information includes demand of the machine to machine running frequency outside multi-connected machine at least one unit machine.
First transmission unit 303, for by the first demand information, passing through bus communication after determining the first demand information
Mode is sent to the outer machine of multi-connected machine so that the outer machine of multi-connected machine according to the first demand information, calculate target operating frequency and according to
Target operating frequency operation.
Optionally, as shown in fig. 6, controller provided in an embodiment of the present invention 300 further includes address setup unit 304.
Address setup unit 304 includes toggle switch, for the dial-up state according to toggle switch, generates preset address.
First transmission unit 303 is specifically used for after generating preset address, the first demand information is made with preset address
For address, machine outside multi-connected machine is sent to by bus communication mode.
Optionally, as shown in fig. 6, controller provided in an embodiment of the present invention 300, further include temperature detecting unit 305 and
Electronic expansion driving unit 306.
Temperature detecting unit 305, tracheae temperature sensor corresponding with machine in unit machine and the connection of liquid pipe temperature sensor,
For obtaining at least one unit machine in machine the corresponding tracheae temperature of machine and liquid pipe temperature in each unit machine.
Determination unit 302 is also used to according to the corresponding tracheae temperature of machine in each unit machine in machine at least one unit machine
And liquid pipe temperature, generate regulating command；Wherein, regulating command, for adjusting and each unit machine in machine at least one unit machine
The corresponding electric expansion valve of interior machine.
Electronic expansion driving unit 306, electronic expansion corresponding with machine in each unit machine in machine at least one unit machine
Valve connection, for adjusting electronic expansion corresponding with machine in each unit machine in machine at least one unit machine according to regulating command
The aperture of valve.
Optionally, as shown in fig. 6, controller provided in an embodiment of the present invention 300, further includes the second transmission unit 307.
Second transmission unit 307, if for failing the first demand information being sent to multi-connected machine by bus communication mode
Outer machine, then by electric current loop communication modes, at least one unit machine, machine sends control instruction；Wherein, control instruction is used for
Machine at least one unit machine is set to shut down after reaching preset temperature.
Optionally, as shown in fig. 6, controller provided in an embodiment of the present invention 300, further includes Alternating Current Power Supply unit 308.
Alternating Current Power Supply unit 308 connect with machine in each unit machine in machine at least one unit machine, if for getting
Machine is the first instruction by the transmission data that electric current loop communication modes are sent at least one unit machine, then conducting and power-on instruction
The connection of machine and AC power source in corresponding unit machine.
Alternating Current Power Supply unit 308, if machine passes through electric current loop communication modes at least one unit machine for being also used to get
The transmission data of transmission are the second instruction, then disconnect the connection of machine and AC power source in unit machine corresponding with shutdown command.
Optionally, as shown in figure 5, determination unit provided in an embodiment of the present invention 302, if being specifically also used to fail first
Demand information is sent to machine outside multi-connected machine by bus communication mode, then generates control instruction.
Optionally, as shown in fig. 6, controller provided in an embodiment of the present invention 300, further includes DC power supply unit 309.
DC power supply unit 309, for AC power source conversion to be become DC power supply, at least one unit machine in machine
The corresponding tracheae temperature sensor of machine and liquid pipe temperature sensor provide 5V DC voltage in each unit machine.
DC power supply unit 309 is also used to AC power source being transformed into DC power supply, at least one unit machine in machine
The corresponding electric expansion valve of machine provides 12V DC voltage in each unit machine.
As shown in Figure 1, a kind of control system 100 provided in an embodiment of the present invention, which includes outside multi-connected machine
(as shown in figure 1, machine includes machine 102-1, multi-connected machine in multi-connected machine to machine at least one multi-connected machine in machine 101, at least one multi-connected machine
Interior machine 102-2, it is merely exemplary in figure that machine in two multi-connected machines is shown, can have in the specific implementation more or less more
Online interior machine), (as shown in figure 1, machine includes machine 103-1, list in unit machine to machine at least one unit machine at least one unit machine
Machine 103-2 in first machine, machine 103-3 in unit machine, it is merely exemplary in figure that machine in three unit machines is shown, in the specific implementation may be used
To there is machine in more or less unit machine) and at least one controller (as shown in figure 1, machine includes at least one unit machine
Controller 104-1, controller 104-2, it is merely exemplary in figure that two controllers are shown, can have in the specific implementation it is more or
The less controller of person)；Wherein, the outer machine 101 of multi-connected machine connects with machine at least one multi-connected machine and at least one controller respectively
It connects；Machine is connect with a controller at least one controller respectively in each unit machine in machine at least one unit machine.
Optionally, the outer machine 101 of multi-connected machine provided by the invention, for each controller pair in obtaining at least one controller
In the first demand information and at least one multi-connected machine answered after the second demand information of machine, respectively controlled according at least one controller
Second demand information of machine in corresponding first demand information of device processed and at least one multi-connected machine calculates the outer machine 101 of multi-connected machine
Target operating frequency.
Wherein, the first demand information, including at least one unit machine being connect with each controller at least one controller
Demand of the interior machine to machine running frequency outside multi-connected machine；Each multi-connected machine in machine in second demand information, including at least one multi-connected machine
Demand of the interior machine to 101 running frequency of machine outside multi-connected machine.
In one implementation, the function of the first transmission unit 303 of the controller 300 of the embodiment of the present invention can be by
According to bus communication mode, machine sends the communication module of data to realize to outside multi-connected machine, and the second transmission unit 307 and acquisition are single
The function of member 301 can be realized by the communication module carried out data transmission according to exchange ring communication modes with machine in unit machine.
In turn, as shown in fig. 7, the embodiment of the present invention also provides a kind of structural schematic diagram of controller 300；Controller 300
Including machine communication module 311 in simulating outer machine communication module 310 and simulating；Wherein it is determined that unit 302 is logical with the outer machine of simulation respectively
Machine communication module 311 connects in interrogating module 310 and simulating.
Outer machine communication module 310 is simulated, for being carried out in the way of exchange ring communication with machine at least one unit machine
Data transmission.
Machine communication module 311 in simulating, for carrying out data transmission in the way of bus communication with machine outside multi-connected machine.
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 with the division progress of above-mentioned each functional unit for example, in practical application, can according to need and will be upper
It states function distribution to be completed by different functional units, i.e., the internal structure of device is divided into different functional units, to complete
All or part of function described above.The specific work process of the control system of foregoing description, controller and unit, can be with
With reference to the corresponding process in preceding method embodiment, therefore, it can be obtained technical effect and implement see also the above method
Example, details are not described herein for the embodiment of the present invention.
In several embodiments provided by the present invention, it should be understood that disclosed control system, controller and control
Method may be implemented in other ways.For example, apparatus embodiments described above are merely indicative, for example, institute
The division of unit is stated, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple lists
Member or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point,
Shown or discussed mutual coupling, direct-coupling or communication connection can be through some interfaces, equipment or unit
Indirect coupling or communication connection, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
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.
Claims (10)
1. a kind of control method, which is characterized in that the described method includes:
Obtain the transmission data that machine is sent by electric current loop communication modes at least one unit machine；
According to the transmission data that machine at least one described unit machine is sent by electric current loop communication modes, determine that the first demand is believed
Breath；Wherein, first demand information includes demand of the machine to machine running frequency outside multi-connected machine at least one described unit machine；
By first demand information, machine outside the multi-connected machine is sent to by bus communication mode, so that the multi-connected machine
Outer machine calculates target operating frequency and runs according to the target operating frequency according to first demand information.
2. control method according to claim 1, which is characterized in that described by first demand information, by total
Line communication modes are sent to before the outer machine of the multi-connected machine, the method also includes:
According to the dial-up state of toggle switch, preset address is generated；
It is described by first demand information, machine outside the multi-connected machine is sent to by bus communication mode, is specifically included:
By first demand information, using the preset address as address, it is sent to by bus communication mode described
The outer machine of multi-connected machine.
3. control method according to claim 1, which is characterized in that the method also includes:
Obtain at least one unit machine in machine the corresponding tracheae temperature of machine and liquid pipe temperature in each unit machine；
According in machine at least one described unit machine in each unit machine machine tracheae temperature and liquid pipe temperature, generate adjust refers to
It enables；Wherein, the regulating command, for adjusting electronics corresponding with machine in each unit machine in machine at least one described unit machine
The aperture of expansion valve.
4. control method according to claim 1, which is characterized in that after first demand information of determination, the side
Method further include:
If failing to be sent to machine outside the multi-connected machine by bus communication mode, then pass through electric current first demand information
Ring communication modes, at least one described unit machine, machine sends control instruction；Wherein, the control instruction, it is described for making
Machine shuts down after reaching preset temperature at least one unit machine.
5. a kind of controller, which is characterized in that the controller includes acquiring unit, determination unit and the first transmission unit；Its
In, the determination unit is connect with the acquiring unit and first transmission unit respectively；
The acquiring unit, for obtaining the transmission data that machine is sent by electric current loop communication modes at least one unit machine；
The determination unit, for obtaining the transmission data that machine is sent by electric current loop communication modes at least one unit machine
Afterwards, the transmission data sent according to machine at least one described unit machine by electric current loop communication modes determine that the first demand is believed
Breath；Wherein, first demand information includes demand of the machine to machine running frequency outside multi-connected machine at least one described unit machine；
First transmission unit, for by first demand information, passing through bus communication after determining the first demand information
Mode is sent to the outer machine of the multi-connected machine, so that the outer machine of the multi-connected machine calculates target fortune according to first demand information
Line frequency is simultaneously run according to the target operating frequency.
6. controller according to claim 5, which is characterized in that the controller further include: address setup unit；
The address setup unit generates preset address for the dial-up state according to toggle switch；
First transmission unit is specifically used for after generating the preset address, by first demand information, with described pre-
If address is sent to machine outside the multi-connected machine as address, by bus communication mode.
7. controller according to claim 5, which is characterized in that the controller further includes temperature detecting unit and electronics
Expansion driven unit；
The temperature detecting unit, for obtain at least one unit machine in machine in each unit machine the corresponding tracheae temperature of machine and
Liquid pipe temperature；
The determination unit is also used at least one unit machine according in machine the corresponding tracheae temperature of machine in each unit machine
And liquid pipe temperature, generate regulating command；Wherein, the regulating command, in machine in adjusting and at least one described unit machine
The aperture of the corresponding electric expansion valve of machine in each unit machine.
8. controller according to claim 5, which is characterized in that the controller further includes the second transmission unit；
Second transmission unit, if being also used to fail is sent to institute by bus communication mode for first demand information
The outer machine of multi-connected machine is stated, then by electric current loop communication modes, machine sends control instruction at least one described unit machine；Wherein,
The control instruction is shut down after machine reaches preset temperature at least one described unit machine for making.
9. a kind of control system, which is characterized in that the control system include the outer machine of multi-connected machine, machine at least one multi-connected machine,
In at least one unit machine machine and at least one such as the described in any item controllers of claim 5-8；Wherein, outside the multi-connected machine
Machine is connect with machine at least one described multi-connected machine and at least one described controller respectively；Machine at least one described unit machine
Machine is connect with a controller in controller described at least one respectively in middle each unit machine.
10. control system according to claim 9, which is characterized in that
The outer machine of the multi-connected machine, for corresponding first demand information of controller each in obtaining at least one described controller and
It is corresponding according to controller each in controller described at least one at least one described multi-connected machine after the second demand information of machine
Second demand information of machine in first demand information and at least one described multi-connected machine calculates the target fortune of the outer machine of the multi-connected machine
Line frequency；Wherein, first demand information, including at least one being connect with controller each in controller described at least one
Demand of the machine to machine running frequency outside the multi-connected machine in unit machine；Second demand information, including described at least one is more
Demand of the machine to machine running frequency outside the multi-connected machine in each multi-connected machine in online interior machine.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022068278A1 (en) * | 2020-11-23 | 2022-04-07 | 青岛海尔空调电子有限公司 | Outdoor unit communication method of several-driven-several multi-split air conditioner and several-driven-several multi-split air conditioner |
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Application publication date: 20191126 |