CN103940051B - Control method and control system for mode conversion of air conditioner - Google Patents
Control method and control system for mode conversion of air conditioner Download PDFInfo
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- CN103940051B CN103940051B CN201410201163.6A CN201410201163A CN103940051B CN 103940051 B CN103940051 B CN 103940051B CN 201410201163 A CN201410201163 A CN 201410201163A CN 103940051 B CN103940051 B CN 103940051B
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000006243 chemical reaction Methods 0.000 title abstract description 6
- 230000009466 transformation Effects 0.000 claims description 40
- 230000005611 electricity Effects 0.000 claims description 36
- 238000010438 heat treatment Methods 0.000 claims description 23
- 238000005057 refrigeration Methods 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 8
- 238000004378 air conditioning Methods 0.000 claims description 7
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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Abstract
The invention provides a control method and a control system for mode conversion of an air conditioner. Because the single-cylinder starting is adopted, the influence on the stable operation of the air conditioner caused by inconsistent starting of the two cylinder bodies is effectively avoided, and compared with the double-cylinder starting, the single-cylinder starting greatly reduces the energy consumption of the air conditioner during starting.
Description
Technical field
The present invention relates to air-conditioner mode conversion technology field, more particularly, it relates to a kind of air-conditioner patten transformation
Control method and control system.
Background technology
Two kinds of methods of operation are had using the air-conditioner of frequency conversion transfiguration technology, respectively twin-tub is compressed running and only simultaneously
A cylinder body is had to be compressed running.At present, startup during air-conditioner patten transformation (conversion between freezing and heating) is all adopted
Started with twin-tub.
But twin-tub starts easily two cylinder bodies of appearance and starts inconsistent situations, thus affecting the stable fortune of air-conditioner
OK, and, twin-tub start when energy consumption higher.
Content of the invention
In view of this, the present invention provides a kind of control method of air-conditioner patten transformation and control system, to be prevented effectively from
Because two cylinder bodies start the inconsistent impact that air-conditioner stable operation is brought, reduce energy consumption when air-conditioner starts simultaneously.
A kind of control method of air-conditioner patten transformation, including：
When the air-conditioner running carries out patten transformation, control the compressor shutdown of described air-conditioner；
Control described air-conditioner reversing solenoid valve obtain electric, make described air-conditioner be in single cylinder run side hydraulic circuit；
After first preset time period, control described compressor start, make described air-conditioner adopt single cylinder to start.
Preferably, described control described air-conditioner reversing solenoid valve obtain electric, including two kinds of situations：
When described air-conditioner single cylinder runs, control described reversing solenoid valve not dead electricity；
When described air-conditioner twin-tub runs, described reversing solenoid valve is controlled to switch to electric by dead electricity.
Preferably, described first preset time period is 100s-500s.
Preferably, when described air-conditioner switchs to single cylinder operation by twin-tub operation, also include：
Control described compressor operating to the first predeterminated frequency；
After described compressor stable operation second preset time period, the controller driving described air-conditioner is to described compression
Machine carries out Torque test；
The torque value obtaining according to detection, exports a load compensation electricity corresponding with described torque value to described compressor
Flow valuve, wherein, described load-compensating current value is less than the current value of described compressor.
Preferably, also include：
Control described compressor operating to the second predeterminated frequency；
After described compressor stable operation the 3rd preset time period, the cross valve of described air-conditioner is controlled to obtain electric or lose
Electricity, makes described air-conditioner switch to heating mode or refrigeration mode.
A kind of control system of air-conditioner patten transformation, including：
Shutting down control unit, during for carrying out patten transformation when the air-conditioner running, controlling the compressor of described air-conditioner
Shut down；
Method of operation control unit, the reversing solenoid valve for controlling described air-conditioner obtains electric, so that described air-conditioner is in
Single cylinder operating loop；
Start control unit, after the first preset time period, control described compressor start, so that described air-conditioner is adopted
Single cylinder starts.
Preferably, to control the reversing solenoid valve of described air-conditioner to obtain electric, including two kinds of feelings for described method of operation control unit
Condition：
When described air-conditioner single cylinder runs, control described reversing solenoid valve not dead electricity；
When described air-conditioner twin-tub runs, described reversing solenoid valve is controlled to switch to electric by dead electricity.
Preferably, described first preset time period is 100s-500s.
Preferably, when described air-conditioner switchs to single cylinder operation by twin-tub operation, also include：
First frequency control unit, for controlling described compressor operating to the first predeterminated frequency；
Driver element, for, after described compressor stable operation second preset time period, driving the control of described air-conditioner
Device processed carries out Torque test to described compressor；
Compensating unit, for the torque value obtaining according to detection, exports one and described torque value pair to described compressor
The load-compensating current value answered, wherein, described load-compensating current value is less than the current value of described compressor.
Preferably, also include：
Second frequency control unit, for controlling described compressor operating to the second predeterminated frequency；
Gain and loss electric control unit, for, after described compressor stable operation the 3rd preset time period, controlling described air-conditioning
The cross valve of device obtains electric or dead electricity, makes described air-conditioner switch to heating mode or refrigeration mode.
It can be seen from above-mentioned technical scheme that, the invention provides a kind of control method of air-conditioner patten transformation and control
System processed, when the air-conditioner running carries out patten transformation, controls the compressor shutdown of air-conditioner, then passes through to control air-conditioner
Reversing solenoid valve obtain electric, make this air-conditioner be in single cylinder operating loop, by controlling compressor to restart it is achieved that air-conditioning
The single cylinder of device starts.Because the present invention adopts single cylinder to start, therefore, effectively prevent because the startup of two cylinder bodies inconsistent to air-conditioning
The impact that device stable operation brings, and, single cylinder starts for twin-tub starts, and greatly reduces when air-conditioner starts
Energy consumption.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of system diagram of air-conditioning system disclosed in the embodiment of the present invention；
Fig. 2 is a kind of control method flow chart of air-conditioner patten transformation disclosed in the embodiment of the present invention；
Fig. 3 is that a kind of air-conditioner disclosed in the embodiment of the present invention is run the method flow switching to when single cylinder runs by twin-tub
Figure；
Fig. 4 is the control method flow chart of another kind of air-conditioner patten transformation disclosed in the embodiment of the present invention；
Fig. 5 is a kind of structural representation of the control system of air-conditioner patten transformation disclosed in the embodiment of the present invention；
Fig. 6 is that a kind of air-conditioner disclosed in the embodiment of the present invention is run the structure switching to system when single cylinder runs by twin-tub
Schematic diagram；
Fig. 7 is the structural representation of the control system of another kind of air-conditioner patten transformation disclosed in the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
For convenience of the understanding of the control process to air-conditioner patten transformation, referring to Fig. 1, the embodiment of the invention discloses a kind of
The system diagram of air-conditioning system, air-conditioning system includes：Indoor heat converter 11, outdoor heat converter 12, compressor 13, cross valve
14th, reversing solenoid valve 15 and throttle mechanism 16；
Wherein：
Cross valve 14 respectively with indoor heat converter 11, outdoor heat converter 12, compressor 13 exhaust outlet, compressor 13
First, the second air entry connects, and when cross valve 14 obtains electric, air-conditioner is in the state of heating, and during cross valve 14 dead electricity, air-conditioner is in
Refrigerating state；
Indoor heat converter 11 and outdoor heat converter 12 are connected by throttle mechanism 16；
The two ends of reversing solenoid valve 15 are connected to exhaust outlet and the connection of the second air entry of compressor 13, for pressure
The single twin-tub switching of contracting machine 13.
Referring to Fig. 2, the embodiment of the invention discloses a kind of control method flow chart of air-conditioner patten transformation, described control
Method includes step：
S11, when run air-conditioner carry out patten transformation when, control described air-conditioner compressor 13 shut down；
Wherein, the patten transformation of air-conditioner refers to be converted to heating mode by refrigeration mode, or is turned by heating mode
It is changed to refrigeration mode.
S12, control described air-conditioner reversing solenoid valve 15 electric, make described air-conditioner be in single cylinder operating loop；
When reversing solenoid valve 15 obtains electric, compressor 13 is switched to single cylinder, makes air-conditioner adopt the single cylinder method of operation to run；
When reversing solenoid valve 15 dead electricity, compressor 13 is switched to twin-tub, makes air-conditioner adopt the twin-tub method of operation to run.
Wherein, the reversing solenoid valve 15 controlling air-conditioner obtains two kinds of situations of electric inclusion：When air-conditioner single cylinder runs, commutation
Magnetic valve 15 is in obtain electricity condition, therefore, controls reversing solenoid valve 15 not dead electricity；When air-conditioner twin-tub runs, commutation
Magnetic valve 15 is in power failure state, therefore, reversing solenoid valve 15 need to be controlled to switch to electric by dead electricity.
After S13, the first preset time period, control compressor 13 to start, make described air-conditioner adopt single cylinder to start.
Wherein, the span of the first preset time period S1 is 100s≤S1≤500s.
It can be seen from above-mentioned technical scheme that, a kind of control method of air-conditioner patten transformation that the present invention provides, when
When the air-conditioner running carries out patten transformation, control the compressor 13 of air-conditioner to shut down, then pass through to control the commutation of air-conditioner
Magnetic valve 15 electric, make this air-conditioner be in single cylinder operating loop, restart it is achieved that air-conditioner by controlling compressor 13
Single cylinder start.Because the present invention adopts single cylinder to start, therefore, effectively prevent because the startup of two cylinder bodies inconsistent to air-conditioner
The impact that stable operation brings, and, single cylinder starts for twin-tub starts, and greatly reduces energy when air-conditioner starts
Consumption.
It should be noted is that, when air-conditioner adopts twin-tub to run, because two housing structures are symmetrical, have certain
Stress balance effect, thus, when air-conditioner adopts twin-tub to run, compressor 13 can be with even running.When air-conditioner is transported by twin-tub
When row is converted to single cylinder operation, because single cylinder is in rotation process, loads force unbalance, therefore occur that compressor 13 shakes
Dynamic situation.
For optimizing above-described embodiment further, it is to avoid air-conditioner is run the compressor switching to occur when single cylinder runs by twin-tub
13 situations about rocking, referring to Fig. 3, a kind of air-conditioner disclosed in another embodiment of the present invention is run by twin-tub when switching to single cylinder operation
Method flow diagram, including step：
S31, control compressor 13 run to the first predeterminated frequency；
Wherein, the span of the first predeterminated frequency P1 is 0HZ＜ P1≤30HZ.
S32, after compressor 13 stable operation the second preset time period, drive described air-conditioner controller to compressor
13 carry out Torque test；
Wherein, the span of the second preset time period S2 is 0s ＜ S2≤30s.
S33, the torque value obtaining according to detection, export a load compensation corresponding with described torque value to compressor 13
Current value, wherein, described load-compensating current value is less than the current value of compressor 13.
It should be noted that setting the current value of compressor 13 as Q, then the span of load-compensating current value A be 0≤
A≤Q.
In summary it can be seen, when single cylinder operation is switched to by twin-tub operation due to air-conditioner of the present invention, by compressor 13
One load-compensating current value corresponding with compressor 13 torque value of output is it is achieved that to load in compressor 13 running
Compensation so that air-conditioner single cylinder run when still can realize load stress balance, thus ensure that the stable fortune of air-conditioner
OK.
For optimizing the embodiment of Fig. 2 offer further, referring to Fig. 4, a kind of air-conditioner disclosed in another embodiment of the present invention
The control method flow chart of patten transformation, described control method includes step：
S41, when run air-conditioner carry out patten transformation when, control described air-conditioner compressor 13 shut down；
S42, control described air-conditioner reversing solenoid valve 15 electric, make described air-conditioner be in single cylinder operating loop；
After S43, the first preset time period, control compressor 13 to start, make described air-conditioner adopt single cylinder to start；
Wherein, the span of the first preset time period S1 is 100s≤S1≤500s.
S44, control compressor 13 run to the second predeterminated frequency；
It should be noted is that, when air-conditioner runs for single cylinder always, the span of the second predeterminated frequency P2 is
20HZ≤P2≤50HZ, when air-conditioner switchs to single cylinder operation by twin-tub operation, the span of the second predeterminated frequency P2 is 30HZ
＜ P2≤50HZ.
S45, after compressor 13 stable operation the 3rd preset time period, control described air-conditioner cross valve 14 electric or
It is dead electricity, make described air-conditioner switch to heating mode or refrigeration mode.
Wherein, the span of the 3rd preset time period S3 is 0s ＜ S3≤30s.
After cross valve 14 obtains electric or dead electricity, promote the rotary valve handle of cross valve 14, compressor 13 is according to reality afterwards
Demand is run.
It can be seen from above-mentioned technical scheme that, a kind of control method of air-conditioner patten transformation that the present invention provides, when
When the air-conditioner running carries out patten transformation, control the compressor 13 of air-conditioner to shut down, then pass through to control the commutation of air-conditioner
Magnetic valve 15 electric, make this air-conditioner be in single cylinder operating loop, restart it is achieved that air-conditioner by controlling compressor 13
Single cylinder start.Because the present invention adopts single cylinder to start, therefore, effectively prevent because the startup of two cylinder bodies inconsistent to air-conditioner
The impact that stable operation brings, and, single cylinder starts for twin-tub starts, and greatly reduces energy when air-conditioner starts
Consumption.
It should be noted is that, step S44 in the present embodiment can also be held after step S33 in Fig. 3 embodiment
OK.
Illustrate the control method of air-conditioner patten transformation, detailed process is as follows：
First, air-conditioner is currently at refrigerating state
1st, when air-conditioner adopts single cylinder to run, reversing solenoid valve 15 is in obtain electricity condition, when air-conditioner is by refrigeration mode
When being transformed into heating mode, control compressor 13 shut down, reversing solenoid valve 15 always electric, the first preset time period S1 (100s
≤ S1≤500s) after, control compressor 13 to start, then control compressor 13 to run to the second predeterminated frequency P2 (20HZ≤
P2≤50HZ), after compressor 13 stable operation the 3rd preset time period S3 (0s ＜ S3≤30s), control described air-conditioner
Cross valve 14 electric, make described air-conditioner switch to heating mode.
2nd, when air-conditioner adopts twin-tub to run, reversing solenoid valve 15 is in power failure state, when air-conditioner is by refrigeration mode
When being transformed into heating mode, compressor 13 is controlled to shut down, reversing solenoid valve 15 switchs to electric by dead electricity, the first preset time period S1
After (100s≤S1≤500s), control compressor 13 to start, then control compressor 13 to run to the first predeterminated frequency P1
(0HZ＜ P1≤30HZ), after compressor 13 stable operation the second preset time period S2 (0s ＜ S2≤30s), drive described sky
The controller adjusting device carries out Torque test to compressor 13, the torque value obtaining according to detection, to compressor 13 export one with
Corresponding load-compensating current value A of described torque value (0≤A≤Q, Q are the current value of compressor 13), then controls compressor 13
Run to the second predeterminated frequency P2 (30HZ＜ P2≤50HZ), in compressor 13 stable operation the 3rd preset time period S3 (0s ＜ S3
≤ 30s) after, control the cross valve 14 of described air-conditioner to obtain electric, make described air-conditioner switch to heating mode.
2nd, air-conditioner is currently at the state of heating
1st, when air-conditioner adopts single cylinder to run, reversing solenoid valve 15 is in obtain electricity condition, and cross valve 14 is in obtain electric shape
State, when air-conditioner is transformed into refrigeration mode by heating mode, control compressor 13 shut down, reversing solenoid valve 15 always electric,
Cross valve 14 always electric, after the first preset time period S1 (100s≤S1≤500s), control compressor 13 start, then control
Compressor 13 processed runs to the second predeterminated frequency P2 (20HZ≤P2≤50HZ), in compressor 13 stable operation the 3rd Preset Time
After section S3 (0s ＜ S3≤30s), control cross valve 14 dead electricity of described air-conditioner, make described air-conditioner switch to refrigeration mode.
2nd, when air-conditioner adopts twin-tub to run, reversing solenoid valve 15 is in power failure state, and cross valve 14 is in obtain electric shape
State, when air-conditioner is transformed into refrigeration mode by heating mode, control compressor 13 shut down, cross valve 14 always electric, commutate
Magnetic valve 15 switchs to electric by dead electricity, after the first preset time period S1 (100s≤S1≤500s), controls compressor 13 to start,
Then compressor 13 is controlled to run to the first predeterminated frequency P1 (0HZ＜ P1≤30HZ), preset in compressor 13 stable operation second
After time period S2 (0s ＜ S2≤30s), drive the controller of described air-conditioner that compressor 13 is carried out with Torque test, according to inspection
The torque value recording, exports load-compensating current value A (0≤A≤Q, a Q corresponding with described torque value to compressor 13
Current value for compressor 13), then control compressor 13 to run to the second predeterminated frequency P2 (30HZ＜ P2≤50HZ), in pressure
After contracting machine 13 stable operation the 3rd preset time period S3 (0s ＜ S3≤30s), control cross valve 14 dead electricity of described air-conditioner,
Described air-conditioner is made to switch to refrigeration mode.
Corresponding with said method embodiment, present invention also offers a kind of control system of air-conditioner patten transformation.
Referring to Fig. 5, a kind of structural representation of the control system of air-conditioner patten transformation disclosed in the embodiment of the present invention, control
System processed includes：Shut down control unit 51, method of operation control unit 52 and start control unit 53；
Shutting down control unit 51, during for carrying out patten transformation when the air-conditioner running, controlling the compression of described air-conditioner
Machine 13 is shut down；
Wherein, the patten transformation of air-conditioner refers to be converted to heating mode by refrigeration mode, or is turned by heating mode
It is changed to refrigeration mode.
Method of operation control unit 52, the reversing solenoid valve 15 for controlling described air-conditioner must be electric, makes described air-conditioner
It is in single cylinder operating loop；
When reversing solenoid valve 15 obtains electric, compressor 13 is switched to single cylinder, makes air-conditioner adopt the single cylinder method of operation to run；
When reversing solenoid valve 15 dead electricity, compressor 13 is switched to twin-tub, makes air-conditioner adopt the twin-tub method of operation to run.
Wherein, the reversing solenoid valve 15 controlling air-conditioner obtains two kinds of situations of electric inclusion：When air-conditioner single cylinder runs, commutation
Magnetic valve 15 is in obtain electricity condition, therefore, controls reversing solenoid valve 15 not dead electricity；When air-conditioner twin-tub runs, commutation
Magnetic valve 15 is in power failure state, therefore, reversing solenoid valve 15 need to be controlled to switch to electric by dead electricity.
Start control unit 53, after the first preset time period, control compressor 13 to start, so that described air-conditioner is adopted
Single cylinder starts.
Wherein, the span of the first preset time period S1 is 100s≤S1≤500s.
It can be seen from above-mentioned technical scheme that, a kind of control system of air-conditioner patten transformation that the present invention provides, when
When the air-conditioner running carries out patten transformation, control the compressor 13 of air-conditioner to shut down, then pass through to control the commutation of air-conditioner
Magnetic valve 15 electric, make this air-conditioner be in single cylinder operating loop, restart it is achieved that air-conditioner by controlling compressor 13
Single cylinder start.Because the present invention adopts single cylinder to start, therefore, effectively prevent because the startup of two cylinder bodies inconsistent to air-conditioner
The impact that stable operation brings, and, single cylinder starts for twin-tub starts, and greatly reduces energy when air-conditioner starts
Consumption.
It should be noted is that, when air-conditioner adopts twin-tub to run, because two housing structures are symmetrical, have certain
Stress balance effect, thus, when air-conditioner adopts twin-tub to run, compressor 13 can be with even running.When air-conditioner is transported by twin-tub
When row is converted to single cylinder operation, because single cylinder is in rotation process, loads force unbalance, therefore occur that compressor 13 shakes
Dynamic situation.
For optimizing above-described embodiment further, it is to avoid air-conditioner is run the compressor switching to occur when single cylinder runs by twin-tub
13 situations about rocking, referring to Fig. 6, a kind of air-conditioner disclosed in another embodiment of the present invention is run by twin-tub when switching to single cylinder operation
System structural representation, including：First frequency control unit 61, driver element 62 and compensating unit 63；
First frequency control unit 61, for controlling compressor 13 to run to the first predeterminated frequency；
Wherein, the span of the first predeterminated frequency P1 is 0HZ＜ P1≤30HZ.
Driver element 62, for, after compressor 13 stable operation the second preset time period, driving the control of described air-conditioner
Device processed carries out Torque test to compressor 13；
Wherein, the span of the second preset time period S2 is 0s ＜ S2≤30s.
Compensating unit 63, for the torque value obtaining according to detection, exports one and described torque value pair to compressor 13
The load-compensating current value answered, wherein, described load-compensating current value is less than the current value of compressor 13.
It should be noted that setting the current value of compressor 13 as Q, then the span of load-compensating current value A be 0≤
A≤Q.
In summary it can be seen, when single cylinder operation is switched to by twin-tub operation due to air-conditioner of the present invention, by compressor 13
One load-compensating current value corresponding with compressor 13 torque value of output is it is achieved that to load in compressor 13 running
Compensation so that air-conditioner single cylinder run when still can realize load stress balance, thus ensure that the stable fortune of air-conditioner
OK.
For optimizing the embodiment of Fig. 5 offer further, referring to Fig. 7, a kind of air-conditioner pattern disclosed in the embodiment of the present invention
The structural representation of the control system of conversion, control system includes：Shut down control unit 71, method of operation control unit 72, open
Dynamic control unit 73, second frequency control unit 74 and gain and loss electric control unit 75；
Shutting down control unit 71, during for carrying out patten transformation when the air-conditioner running, controlling the compression of described air-conditioner
Machine 13 is shut down；
Method of operation control unit 72, the reversing solenoid valve 15 for controlling described air-conditioner must be electric, makes described air-conditioner
It is in single cylinder operating loop；
Wherein, the reversing solenoid valve 15 controlling air-conditioner obtains two kinds of situations of electric inclusion：When air-conditioner single cylinder runs, commutation
Magnetic valve 15 is in obtain electricity condition, therefore, controls reversing solenoid valve 15 not dead electricity；When air-conditioner twin-tub runs, commutation
Magnetic valve 15 is in power failure state, therefore, reversing solenoid valve 15 need to be controlled to switch to electric by dead electricity.
Start control unit 73, after the first preset time period, control compressor 13 to start, so that described air-conditioner is adopted
Single cylinder starts；
Wherein, the span of the first preset time period S1 is 100s≤S1≤500s.
Second frequency control unit 74, for controlling compressor 13 to run to the second predeterminated frequency；
It should be noted is that, when air-conditioner runs for single cylinder always, the span of the second predeterminated frequency P2 is
20HZ≤P2≤50HZ, when air-conditioner switchs to single cylinder operation by twin-tub operation, the span of the second predeterminated frequency P2 is 30HZ
＜ P2≤50HZ.
Gain and loss electric control unit 75, for, after described compressor stable operation the 3rd preset time period, controlling described sky
The cross valve adjusting device obtains electric or dead electricity, makes described air-conditioner switch to heating mode or refrigeration mode.
Wherein, the span of the 3rd preset time period S3 is 0s ＜ S3≤30s.
After cross valve 14 obtains electric or dead electricity, promote the rotary valve handle of cross valve 14, compressor 13 is according to reality afterwards
Demand is run.
It can be seen from above-mentioned technical scheme that, a kind of control system of air-conditioner patten transformation that the present invention provides, when
When the air-conditioner running carries out patten transformation, control the compressor 13 of air-conditioner to shut down, then pass through to control the commutation of air-conditioner
Magnetic valve 15 electric, make this air-conditioner be in single cylinder operating loop, restart it is achieved that air-conditioner by controlling compressor 13
Single cylinder start.Because the present invention adopts single cylinder to start, therefore, effectively prevent because the startup of two cylinder bodies inconsistent to air-conditioner
The impact that stable operation brings, and, single cylinder starts for twin-tub starts, and greatly reduces energy when air-conditioner starts
Consumption.
It should be noted is that, the second frequency control unit 74 in the present embodiment can also be mended in Fig. 6 embodiment
Repay the torque value that unit 63 obtains according to detection, export a load-compensating current corresponding with described torque value to compressor 13
Execute after value.
It should be noted is that, in system embodiment the concrete operating principle of each part referring to embodiment of the method,
Here is omitted.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (8)
1. a kind of control method of air-conditioner patten transformation is it is characterised in that include：
When the air-conditioner running carries out patten transformation, control the compressor shutdown of described air-conditioner, wherein, described patten transformation
Refer to be converted to heating mode by refrigeration mode, or refrigeration mode is converted to by heating mode；
The reversing solenoid valve controlling described air-conditioner obtains electric, makes described air-conditioner be in single cylinder operating loop；
After first preset time period, control described compressor start, make described air-conditioner adopt single cylinder to start；
When described air-conditioner switchs to single cylinder operation by twin-tub operation, control described compressor operating to the first predeterminated frequency；
After described compressor stable operation second preset time period, drive the controller of described air-conditioner that described compressor is entered
Row Torque test；
The torque value obtaining according to detection, exports a load-compensating current corresponding with described torque value to described compressor
Value, wherein, described load-compensating current value is less than the current value of described compressor.
2. control method according to claim 1 is it is characterised in that the reversing solenoid valve of the described air-conditioner of described control obtains
Electricity, including two kinds of situations：
When described air-conditioner single cylinder runs, control described reversing solenoid valve not dead electricity；
When described air-conditioner twin-tub runs, described reversing solenoid valve is controlled to switch to electric by dead electricity.
3. control method according to claim 1 is it is characterised in that described first preset time period is 100s-500s.
4. control method according to claim 1 is it is characterised in that also include：
Control described compressor operating to the second predeterminated frequency；
After described compressor stable operation the 3rd preset time period, the cross valve of described air-conditioner is controlled to obtain electric or dead electricity,
Described air-conditioner is made to switch to heating mode or refrigeration mode.
5. a kind of control system of air-conditioner patten transformation is it is characterised in that include：
Shutting down control unit, during for carrying out patten transformation when the air-conditioner running, controlling the compressor shutdown of described air-conditioner,
Wherein, described patten transformation refers to be converted to heating mode by refrigeration mode, or is converted to refrigeration mode by heating mode；
Method of operation control unit, the reversing solenoid valve for controlling described air-conditioner obtains electric, makes described air-conditioner be in single cylinder
Operating loop；
Start control unit, after the first preset time period, control described compressor start, make described air-conditioner using single
Cylinder starts；
First frequency control unit, for when described air-conditioner switchs to single cylinder operation by twin-tub operation, controlling described compressor
Run to the first predeterminated frequency；
Driver element, for, after described compressor stable operation second preset time period, driving the controller of described air-conditioner
Torque test is carried out to described compressor；
Compensating unit, for the torque value obtaining according to detection, corresponding with described torque value to described compressor output one
Load-compensating current value, wherein, described load-compensating current value is less than the current value of described compressor.
6. control system according to claim 5 is it is characterised in that described method of operation control unit controls described air-conditioning
The reversing solenoid valve of device obtains electric, including two kinds of situations：
When described air-conditioner single cylinder runs, control described reversing solenoid valve not dead electricity；
When described air-conditioner twin-tub runs, described reversing solenoid valve is controlled to switch to electric by dead electricity.
7. control system according to claim 5 is it is characterised in that described first preset time period is 100s-500s.
8. control system according to claim 5 is it is characterised in that also include：
Second frequency control unit, for controlling described compressor operating to the second predeterminated frequency；
Gain and loss electric control unit, for, after described compressor stable operation the 3rd preset time period, controlling described air-conditioner
Cross valve obtains electric or dead electricity, makes described air-conditioner switch to heating mode or refrigeration mode.
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| EP3869111A4 (en) * | 2018-10-19 | 2022-07-06 | Gree Electric Appliances, Inc. of Zhuhai | Method for controlling power-on or power-off of air conditioner |
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| CN106500266B (en) * | 2016-10-27 | 2019-07-30 | 广东美的制冷设备有限公司 | The control method and device of air conditioner and its duplex cylinder compressor |
| CN106895549B (en) * | 2017-01-20 | 2019-04-19 | 美的集团股份有限公司 | The control method of duplex cylinder compressor air conditioner |
| CN109538457B (en) * | 2018-10-10 | 2020-05-22 | 珠海格力电器股份有限公司 | Method and device for controlling cylinder cutting of compressor, unit and air conditioning system |
| CN110332670A (en) * | 2019-07-16 | 2019-10-15 | 珠海格力电器股份有限公司 | Compressor control method and control device and refrigerant system |
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| CN1590769A (en) * | 2003-09-02 | 2005-03-09 | 东芝开利株式会社 | Air conditioner |
| JP2011047567A (en) * | 2009-08-26 | 2011-03-10 | Daikin Industries Ltd | Refrigerating device |
| CN101995110A (en) * | 2010-10-29 | 2011-03-30 | 广东美的电器股份有限公司 | Double-cylinder variable-capacity compressor air conditioning system and control method thereof |
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| JP2004251492A (en) * | 2003-02-18 | 2004-09-09 | Sanyo Electric Co Ltd | Refrigerant cycle device |
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| JP2011047567A (en) * | 2009-08-26 | 2011-03-10 | Daikin Industries Ltd | Refrigerating device |
| CN101995110A (en) * | 2010-10-29 | 2011-03-30 | 广东美的电器股份有限公司 | Double-cylinder variable-capacity compressor air conditioning system and control method thereof |
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