CN207196825U - The control circuit of air-conditioning system - Google Patents
The control circuit of air-conditioning system Download PDFInfo
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- CN207196825U CN207196825U CN201720947513.2U CN201720947513U CN207196825U CN 207196825 U CN207196825 U CN 207196825U CN 201720947513 U CN201720947513 U CN 201720947513U CN 207196825 U CN207196825 U CN 207196825U
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Abstract
The utility model discloses a kind of control circuit of air-conditioning system, wherein, air-conditioning system includes being used for the power control module for controlling air-conditioning power output, and power control module includes：First power model, the output of the first motor for controlling air-conditioning system；Second power model, the output of the second motor for controlling air-conditioning system, this method include：Monitoring knows that the power model in power control module breaks down, and triggers power model switching command；Control the power model not broken down in power control module to switch to open loop control mode according to the power model switching command of triggering, while control the output of the first motor and the second motor of air-conditioning system.The utility model solves in air-conditioning system in the prior art the problem of one of power model causes air-conditioning can not integrally run after breaking down, influence Consumer's Experience, improves user experience.
Description
Technical field
Air-conditioning technical field is the utility model is related to, in particular to a kind of control circuit of air-conditioning system.
Background technology
In the prior art, external convertible frequency air conditioner includes two kinds of motors of blower fan and compressor, and general two kinds of motors are individually
Work is controlled by power model.Power model power supply is derived from the bus after AC power rectification, when event occurs for any power model
During barrier, compressor emergency shutdown report module failure, before module recovery is normal, unit is all in can not working condition.If module failure
For that can recover failure, unit can recover normal work automatically after pending fault reason disappears.And if power model generation is irrecoverable
Failure, traditional processing method are：Unit persistently reports failure, it is impossible to and it is automatic to recover normal, arrange maintenance personal to visit dimension after sale
Repair.
In the prior art, air-conditioning system is there is also the situation of double-compressor, and two compressors are equally individually by power model
Work is controlled, can equally there is above-mentioned situation.
The shortcomings that treating method of unrecoverable failure, which occurs, for existing power model is：Unit always can not before maintenance
Work, and maintenance cycle grow, user within a very long time can not normal use air-conditioning, reduce users'comfort, influence
Product Experience, and certain negative effect can be produced to air-conditioning brand.
Air-conditioning is caused can not integrally to transport after being broken down for one of power model in air-conditioning system in correlation technique
OK, the problem of influenceing Consumer's Experience, not yet propose to efficiently solve scheme at present.
Utility model content
The utility model provides a kind of control method of air-conditioning system, control method and control circuit, at least to solve
One of power model causes air-conditioning can not integrally run in air-conditioning system after breaking down in the prior art, influences user's body
The problem of testing.
A kind of in order to solve the above technical problems, one side according to the embodiment of the present disclosure, there is provided control of air-conditioning system
Circuit processed, wherein, air-conditioning system includes being used for the power control module for controlling air-conditioning power output, and power control module includes：
First power model, the output of the first motor for controlling air-conditioning system；Second power model, for controlling air-conditioning system
The output of second motor, the circuit include：The first power model and the second power model being connected in parallel；Input power, pass through
Dc bus is connected with the first power model and the second power model respectively；Switching switch；Controller, connected with switching switch,
When being broken down for the power model in power control module, the state that control signal changes switching switch is sent, with
Realize the power model not broken down while control the output of the first motor and the second motor of air-conditioning system.
In one embodiment, switching switch includes the first relay, the second relay and the 3rd relay, the first work(
Be connected with the first relay between the output end of rate module and the first motor, the output end of the second power model and the second motor it
Between be connected with the second relay, the first end of the 3rd relay is connected between the first relay and the first motor, the 3rd relay
Second end of device is connected between the second relay and the second motor.
In one embodiment, switching switch includes the first relay, the second relay and the 3rd relay, the first work(
The input of rate module is connected with the first relay, and the input of the second power model is connected with the second relay, the 3rd relay
The first end of device is connected between the first power model and the first motor, and the second end of the 3rd relay is connected to the second power mould
Between block and the second motor.
In the utility model, after one of power model in air-conditioning system breaks down, power can be triggered
Module switching command, the power model not broken down in power control module is controlled to switch to open loop control mode, same to time control
The output of the first motor and the second motor of air-conditioning system processed so that air-conditioning can continue to run with, and efficiently solve existing skill
One of power model causes air-conditioning can not integrally run in air-conditioning system after breaking down in art, influences asking for Consumer's Experience
Topic, improves user experience.
Brief description of the drawings
Fig. 1 is a kind of optional flow chart according to the control method of the air-conditioning system of the utility model embodiment；
Fig. 2 is another optional flow chart according to the control method of the air-conditioning system of the utility model embodiment；
Fig. 3 is a kind of optional circuit structure diagram according to the control circuit of the air-conditioning system of the utility model embodiment；
Fig. 4 is another optional circuit structure according to the control circuit of the air-conditioning system of the utility model embodiment
Figure；And
Fig. 5 is a kind of optional structured flowchart according to the control device of the air-conditioning system of the utility model embodiment.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the utility model.On the contrary, they be only with such as
The example of the consistent apparatus and method of some aspects being described in detail in appended claims, of the present utility model.
Embodiment 1
The control method of the air-conditioning system provided below in conjunction with the accompanying drawings the utility model embodiment illustrates.
The control method for the air-conditioning system that the utility model embodiment provides can be applied in air-conditioning system equipment, such as family
With air-conditioning system, market air-conditioning system etc..Can be by way of the installation application (APP) in equipment, or software is installed
Mode, or the mode of write-in program is realized in the controller.The air-conditioning system of the application includes being used to control air-conditioning to export
The power control module of power, power control module include：First power model, for controlling first motor of air-conditioning system
Output；Second power model, the output of the second motor for controlling air-conditioning system.During specific implementation, Fig. 1 shows this air-conditioning system
A kind of optional flow chart of the control method of system, as shown in figure 1, this method may comprise steps of：
S102, monitoring know that the power model in power control module breaks down, and trigger power model switching command；
S104, the power model not broken down in power control module is controlled according to the power model switching command of triggering
Open loop control mode is switched to, while controls the output of the first motor and the second motor of air-conditioning system.
Wherein it is preferred to which above-mentioned air-conditioning system can be traditional frequency conversion air-conditioning system, its external convertible frequency air conditioner includes blower fan
With two kinds of motors of compressor, i.e. above-mentioned first motor is blower fan, and the second motor is compressor；Above-mentioned air-conditioning system can also be
Double-compressor air-conditioning system, it includes two kinds of motors of the first compressor and the second compressor, i.e. above-mentioned first motor is the first pressure
Contracting machine, the second motor are the second compressor；Above-mentioned air-conditioning system can also be included by two power control module independent controls
Two blower fans, i.e. above-mentioned first motor is the first blower fan, and the second motor is the second blower fan.In addition, above-mentioned air-conditioning system also may be used
To be system that multiple motors such as the multiple blower fans of multiple compressors form, the first motor of the application and the second motor form this
The minimum implementation unit of the system of multiple motor compositions.
In the above-described embodiment, after one of power model in air-conditioning system breaks down, work(can be triggered
Rate module switching command, the power model not broken down in power control module is controlled to switch to open loop control mode, simultaneously
Control the output of the first motor and the second motor of air-conditioning system so that air-conditioning can continue to run with, and efficiently solve existing
One of power model causes air-conditioning can not integrally run in air-conditioning system after breaking down in technology, influences Consumer's Experience
Problem, improve user experience.
Preferably, Fig. 2 shows another optional flow chart of the control method of above-mentioned air-conditioning system, shown in Fig. 2
In embodiment, after the power model during power control module is known in monitoring breaks down, the failure occurred is first judged
Whether it is recoverable fault type, is recoverable fault type in the failure for judging to occur, waits pending fault to carry out automatic extensive
It is multiple, it is expendable fault type in the failure for judging to occur, triggers power model switching command.
It is preferably carried out at one in mode, when being controlled, work(is controlled according to the power model switching command of triggering
The power model not broken down in rate control module switches to open loop control mode, while controls the first motor of air-conditioning system
With the output of the second motor, can include：When the first power model breaks down, disconnect the first relay, closure the 3rd after
Electrical equipment；When the second power model breaks down, the second relay is disconnected, closes the 3rd relay；Wherein, the first power model
Connected with the second power module parallel, the input general DC busbar of the first power model and the second power model, the first work(
Be connected with the first relay between the output end of rate module and the first motor, the output end of the second power model and the second motor it
Between be connected with the second relay, the first end of the 3rd relay is connected between the first relay and the first motor, the 3rd relay
Second end of device is connected between the second relay and the second motor.
It is preferably carried out in mode at another, when being controlled, is controlled according to the power model switching command of triggering
The power model not broken down in power control module switches to open loop control mode, while controls the first electricity of air-conditioning system
The output of machine and the second motor, it can include：When the first power model breaks down, the first relay, closure the 3rd are disconnected
Relay；When the second power model breaks down, the second relay is disconnected, closes the 3rd relay；Wherein, the first power mould
The input general DC busbar of block and the connection of the second power module parallel, the first power model and the second power model, first
The input of power model is connected with the first relay, and the input of the second power model is connected with the second relay, the 3rd after
The first end of electrical equipment is connected between the first power model and the first motor, and the second end of the 3rd relay is connected to the second power
Between module and the second motor.
Embodiment 2
Based on the control method of the air-conditioning system provided in above-described embodiment 1, the utility model optional embodiment 2 also carries
A kind of control circuit of air-conditioning system has been supplied, wherein, air-conditioning system includes being used for the Power Control mould for controlling air-conditioning power output
Block, power control module include：First power model, the output of the first motor for controlling air-conditioning system；Second power mould
Block, the output of the second motor for controlling air-conditioning system, specifically, the circuit includes：The first power model being connected in parallel
With the second power model；Input power, it is connected respectively with the first power model and the second power model by dc bus；Switching
Switch；Controller, with switching switch connection, when being broken down for the power model in power control module, send control
Signal processed changes the state of switching switch, to realize the power model not broken down while control the first motor of air-conditioning system
With the output of the second motor.
Wherein it is preferred to which above-mentioned air-conditioning system can be traditional frequency conversion air-conditioning system, its external convertible frequency air conditioner includes blower fan
With two kinds of motors of compressor, i.e. above-mentioned first motor is blower fan, and the second motor is compressor；Above-mentioned air-conditioning system can also be
Double-compressor air-conditioning system, it includes two kinds of motors of the first compressor and the second compressor, i.e. above-mentioned first motor is the first pressure
Contracting machine, the second motor are the second compressor；Above-mentioned air-conditioning system can also be included by two power control module independent controls
Two blower fans, i.e. above-mentioned first motor is the first blower fan, and the second motor is the second blower fan.In addition, above-mentioned air-conditioning system also may be used
To be system that multiple motors such as the multiple blower fans of multiple compressors form, the first motor of the application and the second motor form this
The minimum implementation unit of the system of multiple motor compositions.
Specifically, Fig. 3 shows a kind of optional structure chart of the circuit, as shown in figure 3, switching switch include first after
Electrical equipment K1, the second relay K2 and the 3rd relay K3, the output end of the first power model (power model 1) and the first motor it
Between be connected with the first relay, be connected between the output end of the second power model (power model 2) and the second motor second after
Electrical equipment, the first end of the 3rd relay are connected between the first relay and the first motor, the second end connection of the 3rd relay
Between the second relay and the second motor.
Utility model works process is as follows：
Power model 1 and the general DC busbar of power model 2, it is preferable that in order to ensure circuit safety, also from bus to
A protective tube FU is met at power model 2；Contact relay K1 between power model 1 and motor M1, between power model 2 and motor M2
Contact relay K2, and be connected between K1-M1 between K2-M2 by relay K3.
In normal work, K1, K2 closure, K3 disconnect, and power model 1 exports energy and gives motor M1, and power model 2 exports
Energy gives motor M2.If generation power model failure, system first determines whether failure can be recovered, if restorability failure,
Then system is without any processing, and pending fault reason is resumed work automatically after disappearing；If irrecoverability failure, then continue to judge
Whether it is that power model 1 damages, if power model 1 damages, disconnects relay K1, closing relay K3；If power model 2
Damage, then disconnect relay K2, closing relay K3.Now a power model drives the second motor and the first motor work simultaneously
Make.
Because being limited by modular power, after power model damage occurs, unit can not patrol according to closed-loop control before
Operation is collected, needs to switch to open loop control mode in program, the electric current of now power model output fixed frequency, while drive the second electricity
Machine and the first motor operation.
Preferably, after expendable power model failure occurs, simultaneous display failure title on air-conditioning manual operator, and carry
Show that user need to contact maintenance personal in time and be repaired.Before maintenance personal repairs, air-conditioning remains to work on.
Embodiment 3
Based on the control method of the air-conditioning system provided in above-described embodiment 1, the utility model optional embodiment 3 also carries
The control circuit of another optional air-conditioning system has been supplied, wherein, air-conditioning system includes being used for the work(for controlling air-conditioning power output
Rate control module, power control module include：First power model, the output of the first motor for controlling air-conditioning system；The
Two power models, the output of the second motor for controlling air-conditioning system, specifically, the circuit includes：First be connected in parallel
Power model and the second power model；Input power, by dc bus respectively with the first power model and the second power model
Connection；Switching switch；Controller, with switching switch connection, broken down for the power model in power control module
When, the state that control signal changes switching switch is sent, to realize the power model not broken down while control air-conditioning system
The first motor and the second motor output.
Wherein it is preferred to which above-mentioned air-conditioning system can be traditional frequency conversion air-conditioning system, its external convertible frequency air conditioner includes blower fan
With two kinds of motors of compressor, i.e. above-mentioned first motor is blower fan, and the second motor is compressor；Above-mentioned air-conditioning system can also be
Double-compressor air-conditioning system, it includes two kinds of motors of the first compressor and the second compressor, i.e. above-mentioned first motor is the first pressure
Contracting machine, the second motor are the second compressor；Above-mentioned air-conditioning system can also be included by two power control module independent controls
Two blower fans, i.e. above-mentioned first motor is the first blower fan, and the second motor is the second blower fan.In addition, above-mentioned air-conditioning system also may be used
To be system that multiple motors such as the multiple blower fans of multiple compressors form, the first motor of the application and the second motor form this
The minimum implementation unit of the system of multiple motor compositions.
Specifically, Fig. 4 shows a kind of optional structure chart of the circuit, as shown in figure 4, switching switch include first after
Electrical equipment K1, the second relay K2 and the 3rd relay K3, the input of the first power model are connected with the first relay, the second work(
The input of rate module is connected with the second relay, and the first end of the 3rd relay is connected to the first power model and the first motor
Between, the second end of the 3rd relay is connected between the second power model and the second motor.
Utility model works process is as follows：
Power model 1 and the general DC busbar of power model 2, it is preferable that in order to ensure circuit safety, also from bus to
A protective tube FU is met at power model 2；Relay K1 and relay K2 can be connected in power model input line.
In normal work, K1, K2 closure, K3 disconnect, and power model 1 exports energy and gives motor M1, and power model 2 exports
Energy gives motor M2.If generation power model failure, system first determines whether failure can be recovered, if restorability failure,
Then system is without any processing, and pending fault reason is resumed work automatically after disappearing；If irrecoverability failure, then continue to judge
Whether it is that power model 1 damages, if power model 1 damages, disconnects relay K1, closing relay K3；If power model 2
Damage, then disconnect relay K2, closing relay K3.Now a power model drives the second motor and the first motor work simultaneously
Make.
Because being limited by modular power, after power model damage occurs, unit can not patrol according to closed-loop control before
Operation is collected, needs to switch to open loop control mode in program, the electric current of now power model output fixed frequency, while drive the second electricity
Machine and the first motor operation.
Preferably, after expendable power model failure occurs, simultaneous display failure title on air-conditioning manual operator, and carry
Show that user need to contact maintenance personal in time and be repaired.Before maintenance personal repairs, air-conditioning remains to work on.
Embodiment 4
Based on the control method of the air-conditioning system provided in above-described embodiment 1, the utility model optional embodiment 4 also carries
A kind of control device of air-conditioning system has been supplied, wherein, air-conditioning system includes being used for the Power Control mould for controlling air-conditioning power output
Block, power control module include：First power model, the output of the first motor for controlling air-conditioning system；Second power mould
Block, the output of the second motor for controlling air-conditioning system, as shown in figure 5, the device includes：Instruction triggers unit 52, is used for
Monitoring knows that the power model in power control module breaks down, and triggers power model switching command；Control unit 54, use
In controlling the power model that does not break down in power control module to switch to open loop according to the power model switching command of triggering
Control mode, while control the output of the first motor and the second motor of air-conditioning system.
Wherein it is preferred to which above-mentioned air-conditioning system can be traditional frequency conversion air-conditioning system, its external convertible frequency air conditioner includes blower fan
With two kinds of motors of compressor, i.e. above-mentioned first motor is blower fan, and the second motor is compressor；Above-mentioned air-conditioning system can also be
Double-compressor air-conditioning system, it includes two kinds of motors of the first compressor and the second compressor, i.e. above-mentioned first motor is the first pressure
Contracting machine, the second motor are the second compressor；Above-mentioned air-conditioning system can also be included by two power control module independent controls
Two blower fans, i.e. above-mentioned first motor is the first blower fan, and the second motor is the second blower fan.In addition, above-mentioned air-conditioning system also may be used
To be system that multiple motors such as the multiple blower fans of multiple compressors form, the first motor of the application and the second motor form this
The minimum implementation unit of the system of multiple motor compositions.
Further, instruction triggers unit includes：Judgment sub-unit, for one in knowing power control module in monitoring
After power model breaks down, whether the failure for judging to occur is recoverable fault type；First processing subelement, is used for
When the failure for judging to occur is recoverable fault type, pending fault is waited to be recovered automatically；Second processing subelement, is used for
When the failure for judging to occur is expendable fault type, power model switching command is triggered.
Further, control unit includes：First control subelement, for when the first power model breaks down, breaking
The first relay is driven, closes the 3rd relay；Second control subelement, for when the second power model breaks down, disconnecting
Second relay, close the 3rd relay；Wherein, in one embodiment, the first power model and the second power model be simultaneously
Connection connection, the input general DC busbar of the first power model and the second power model, the output end of the first power model with
The first relay is connected between first motor, the second relay is connected between the output end of the second power model and the second motor
Device, the first end of the 3rd relay are connected between the first relay and the first motor, and the second end of the 3rd relay is connected to
Between second relay and the second motor.
In another embodiment, the first power model and the second power module parallel connection, the first power model and
The input general DC busbar of second power model, the input of the first power model are connected with the first relay, the second work(
The input of rate module is connected with the second relay, and the first end of the 3rd relay is connected to the first power model and the first motor
Between, the second end of the 3rd relay is connected between the second power model and the second motor.
On the device in above-described embodiment, wherein unit, module performs the concrete mode of operation relevant
It is described in detail in the embodiment of this method, explanation will be not set forth in detail herein.
Embodiment 5
Based on the control method of the air-conditioning system provided in above-described embodiment 1, the utility model optional embodiment 5 also carries
Supplied a kind of computer-readable recording medium, computer-readable recording medium storage has one or more program, one or
Multiple programs can be by one or more computing device, with the control method of the air-conditioning system in embodiment 1.
Those skilled in the art will readily occur to this practicality after considering specification and putting into practice utility model disclosed herein
New other embodiments.The application is intended to any modification, purposes or adaptations of the present utility model, these
Modification, purposes or adaptations follow general principle of the present utility model and including the non-utility models of the utility model
Common knowledge or conventional techniques in the art.Description and embodiments are considered only as exemplary, and this practicality is new
The true scope and spirit of type are pointed out by following claim.
It should be appreciated that the accurate knot that the utility model is not limited to be described above and is shown in the drawings
Structure, and various modifications and changes can be being carried out without departing from the scope.The scope of the utility model only will by appended right
Ask to limit.
Claims (3)
1. a kind of control circuit of air-conditioning system, it is characterised in that the air-conditioning system includes being used to control air-conditioning power output
Power control module, the power control module includes：First power model, for controlling the first electricity of the air-conditioning system
The output of machine；Second power model, the output of the second motor for controlling the air-conditioning system, the circuit include：
First power model and second power model being connected in parallel；
Input power, it is connected respectively with first power model and second power model by dc bus；
Switching switch；
Controller, connected with the switching switch, when being broken down for the power model in the power control module,
The state that control signal changes the switching switch is sent, to realize the power model not broken down while control the air-conditioning
The output of first motor and second motor of system.
2. circuit according to claim 1, it is characterised in that the switching switch includes the first relay, the second relay
Device and the 3rd relay, first relay is connected between the output end of first power model and first motor
Device, the second relay, the 3rd relay are connected between the output end of second power model and second motor
First end be connected between first relay and first motor, the second end of the 3rd relay is connected to institute
State between the second relay and second motor.
3. circuit according to claim 1, it is characterised in that the switching switch includes the first relay, the second relay
Device and the 3rd relay, the input of first power model are connected with first relay, second power model
Input be connected with second relay, the first end of the 3rd relay is connected to first power model and institute
Between stating the first motor, the second end of the 3rd relay be connected to second power model and second motor it
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947513.2U CN207196825U (en) | 2017-07-31 | 2017-07-31 | The control circuit of air-conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947513.2U CN207196825U (en) | 2017-07-31 | 2017-07-31 | The control circuit of air-conditioning system |
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| Publication Number | Publication Date |
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| CN207196825U true CN207196825U (en) | 2018-04-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421073A (en) * | 2017-07-31 | 2017-12-01 | 珠海格力电器股份有限公司 | Control method, control device and the control circuit of air-conditioning system |
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2017
- 2017-07-31 CN CN201720947513.2U patent/CN207196825U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421073A (en) * | 2017-07-31 | 2017-12-01 | 珠海格力电器股份有限公司 | Control method, control device and the control circuit of air-conditioning system |
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