CN104214901B - Out-of-communication control method of indoor unit of inverter air conditioner - Google Patents
Out-of-communication control method of indoor unit of inverter air conditioner Download PDFInfo
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- CN104214901B CN104214901B CN201410498773.7A CN201410498773A CN104214901B CN 104214901 B CN104214901 B CN 104214901B CN 201410498773 A CN201410498773 A CN 201410498773A CN 104214901 B CN104214901 B CN 104214901B
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Abstract
The invention discloses an out-of-communication control method of an indoor unit of an inverter air conditioner. According to the out-of-communication control method disclosed by the invention, a working mode of the inverter air conditioner is set by a user after the inverter air conditioner is started; judgment can be carried out by the user according to the working mode, judging operation can be carried out according to a working state of an outdoor supply relay, and thus whether an out-of-communication situation happens or not can be judged; the working state of the inverter air conditioner and the rotating speed of a fan can be controlled according to indoor and outdoor temperature parameters under the out-of-communication situation, thus the inverter air conditioner can still work normally under the situation that the indoor unit and an outdoor unit are out of communication, the problem in the prior art that the using of the inverter air conditioner is affected as the inverter air conditioner is shut down once the out-of-communication situation happens is avoided, and the using satisfaction degree of the inverter air conditioner is increased. The out-of-communication control method of the indoor unit of the inverter air conditioner, disclosed by the invention, has the advantages that the normal work of the inverter air conditioner is ensured when the indoor unit and the outdoor unit are out of communication, the inverter air conditioner is furthest enabled to be used by the user when the user is in need of the inverter air conditioner, and the like.
Description
Technical field
The present invention relates to the indoor set lost contact control method of a kind of transducer air conditioning.
Background technology
Existing convertible frequency air-conditioner, because of its power saving, the advantage such as comfortable, is increasingly favored by consumer.Existing transducer air conditioning,
Need to be ensured the normal operation of indoor set and off-premises station by telecommunication circuit.Telecommunication circuit passes through photo-coupler, by indoor set/room
The signal that outer machine processor is assigned carries out opto-electronic conversion, then carries out signal of telecommunication transmission by holding wire, then by photo-coupler,
The signal of telecommunication carries out opto-electronic conversion, and off-premises station/indoor set processor receives signal and processes.But, indoor, outdoor,
Middle connecting line tripartite either party damage, all will cause air-conditioning cisco unity malfunction.
No matter from the operation logic of convertible frequency air-conditioner or from the perspective of it realizes structure, convertible frequency air-conditioner is than common fixed frequency air conditioner all
Want complicated many.Thus, the fault rate of convertible frequency air-conditioner, especially electric-controlled plate is of a relatively high, maintenance difficult.
How to improve the reliability of variable frequency air-conditioner controller, promote user's recognition rate and comfortableness？How to ensure user the hottest and
Convertible frequency air-conditioner can be normally used the when of the coldest？These problems annoying technical staff in the industry always, make transducer air conditioning
Behaviour in service is not fully up to expectations.
In the running of air-conditioning, the communication between indoor set and off-premises station needs to keep clear.Once send out between indoor, outdoor
Raw communication failure, air-conditioning display floater will show mistake, and then can cause air-conditioning cisco unity malfunction.Current air-conditioner,
The most do not possess communication lost contact and control function, all can quit work when communicating lost contact, or break down so that air-conditioning cannot be normal
Use, thus affect user's user satisfaction to air-conditioning.
Summary of the invention
The present invention is for avoiding weak point present in above-mentioned prior art, it is provided that the indoor set lost contact control of a kind of transducer air conditioning
Method processed, with guarantee inside and outside air conditioning chamber communicate lost contact time can also normally work, to greatest extent ensure user need air-conditioning time
Time can normally use air-conditioning.
The present invention solves that technical problem is by the following technical solutions.
The indoor set lost contact control method of transducer air conditioning, comprises the steps:
Step 1: after air-conditioner start, be set by the user the mode of operation of air-conditioner；Mode of operation set by air-conditioner judgement
Whether it is air supply pattern；If air supply pattern, then proceed to step 2；If not air supply pattern, then proceed to step 5；
Step 2: after determining that the mode of operation of air-conditioning is air supply pattern, supply relay outside disconnection chamber, judge outdoor confession the most again
Whether the mark FLAG1 that electrical relay closed is 1；If FLAG1 is 1, then enter step 3；If FLAG1 is not
Be 1 but 0, then enter step 4；
Step 3: after judging that FLAG1 is 1, outdoor supply relay disconnects timing to start, then judges that supply relay disconnects meter
Time within M minute, the most arrive；If M minute arrives, supply relay disconnection timing is set and within M minute, has the most arrived mark FLAG2
It is 1, and resets FLAG1；If M minute is also less than, supply relay disconnection timing is set and within M minute, has the most arrived mark
FLAG2 is 0；
Step 4: if it is determined that the mark FLAG1 that outdoor supply relay closed is 0, then supply relay is set and disconnects meter
Time M minute the most arrived mark FLAG2 be 1；
Step 5: after determining that the mode of operation of air-conditioning is not air supply pattern, then judge whether supply relay disconnects timing M minute
Arrive whether mark FLAG2 is 1；If FLAG2 is not 1, then return again whether judgement symbol FLAG2 is 1；If
FLAG2 is 1, then closed by outdoor supply relay, and sets Guan Bi mark FLAG1 as 1；Indoor set sends and reads outdoor
The order of EEPROM, judges to read outdoor EEPROM the most successful the most again；If it is unsuccessful to read outdoor EEPROM,
Then enter step 6；If reading outdoor EEPROM success, then enter step 7；
Step 6: read outdoor EEPROM unsuccessful, air-conditioner enters communication lost contact mode of operation；Described communication lost contact works
Pattern includes being divided into communication lost contact indoor set mode of operation and the lost contact off-premises station mode of operation that communicates；
Step 7: reading outdoor EEPROM success, air-conditioner enters normal mode of operation；Then proceed to judge off-premises station and room
Whether the inside and outside communication of interior machine exists fault；If inside and outside communication exists fault, then air-conditioner is also into the communication described in step 6
Lost contact mode of operation；If inside and outside communication does not exist fault, then air-conditioner continues to run with and in running, constantly gathers temperature
The data such as degree, electric current, power, by set judgment basis, it is judged that whether air conditioning system exists fault；If there is fault,
Then enter step 8；If there is no fault, then enter step 9；
Step 8: judge to deposit after a failure, is estimated fault analyzing, it is judged that described fault is the most serious；If it is determined that institute
State fault serious, then shut down, report fault；If it is determined that described fault is not serious, then work on, display panel display fault generation
Code, prompting user reports for repairment；
Step 9: judge not deposit after a failure, then air-conditioner works on.
In described step 6, the process of described communication lost contact indoor set mode of operation comprises the steps:
Step 101: in the case of communication lost contact, indoor set display screen display lost contact code, prompting user reports for repairment, sentences the most again
Whether disconnected indoor temperature arrives design temperature；If indoor temperature has arrived at design temperature, then supply relay outside disconnection chamber；
If indoor temperature does not arrive design temperature, then proceed to step 102；
Step 102: in the case of indoor temperature does not arrive design temperature, then judge whether the mode of operation of air-conditioner is system
Heat pattern；If the mode of operation of air-conditioner is not heating mode, then indoor fan works by user's set position；If air-conditioning
The mode of operation of device is heating mode, then enter cold wind and prevent duty, and judge whether indoor heat exchanger temperature Rt is rising；
If indoor heat exchanger temperature Rt is rising, then enter step 103；Otherwise enter step 104；
Step 103: if indoor heat exchanger temperature Rt is rising, then judge that whether indoor heat exchanger temperature Rt is more than Temp3；
If indoor heat exchanger temperature Rt is more than Temp3, then indoor fan works by user's set position；If indoor heat exchanger
Temperature Rt is not more than Temp3, judges that whether indoor heat exchanger temperature Rt is more than Temp2 the most again；
If indoor heat exchanger temperature Rt is more than Temp2, then indoor fan speed only up to reach FI2 shelves；If indoor are changed
Hot device temperature Rt is not more than Temp2, then judges that whether indoor heat exchanger temperature Rt is more than Temp1；
If indoor heat exchanger temperature Rt is more than Temp1, then indoor fan speed only up to reach FI1 shelves；If indoor are changed
Hot device temperature Rt is not more than Temp1, then arranging indoor fan speed is FI0 shelves；
Step 104: if indoor heat exchanger temperature Rt is not rising, then judge that whether indoor heat exchanger temperature Rt is more than Temp2；
If indoor heat exchanger temperature Rt is more than Temp2, then indoor fan works by user's set position；If indoor heat exchanger
Temperature Rt is not more than Temp2, then judges that whether indoor heat exchanger temperature Rt is more than Temp1；
If indoor heat exchanger temperature Rt is more than Temp1, then indoor fan speed only up to reach FI2 shelves；If indoor are changed
Hot device temperature Rt is not more than Temp1, then judges that whether indoor heat exchanger temperature Rt is more than Temp0；If indoor heat exchanger temperature
Degree Rt is more than Temp0, then indoor fan speed only up to reach FI1 shelves；If indoor heat exchanger temperature Rt is not more than
Temp0, then arranging indoor fan speed is FI0 shelves.
In described step 6, the process of described communication lost contact off-premises station mode of operation comprises the steps:
Step 201: in the case of communication lost contact, off-premises station first will heat time timer M1 and reset, subsequently into step 202；
Step 202: judge that whether outdoor environment temperature Ro is more than Temp5；If outdoor environment temperature Ro is more than Temp5,
Then enter refrigeration modes work, heat time timer M1 and reset, return and again judge whether outdoor environment temperature Ro is more than
Temp5；If outdoor environment temperature Ro is not more than Temp5, enter step 203；
Step 203: when outdoor environment temperature Ro is not more than Temp5, then judge that whether outdoor environment temperature Ro is less than Temp4；
If outdoor environment temperature Ro is not less than Temp4, then return step 202；
If outdoor environment temperature Ro is less than Temp4, then enters and heat mode and work, heat time timer M1 timing and start；
Judge that whether outdoor environment temperature Ro difference Ro-Re with outdoor heat exchanger temperature Re is less than Temp6 again；
Step 204: if difference Ro-Re is not less than Temp6, then return step 202 and work on；If difference Ro-Re
Less than Temp6, then judge that heating the time timer M1 time arrives the most；If heating time timer M1 to have not timed out,
Then return step 202 to work on；If heating time timer M1 to have timed out, entering defrosting work, defrosting work is complete
Cheng Hou, exits defrosting, returns step 202 and works on.
Compared with the prior art, the present invention has the beneficial effect that:
The indoor set lost contact control method of the transducer air conditioning of the present invention, after air-conditioner start, is set by the user the work of air-conditioner
Pattern.User judges according to mode of operation, and carries out judging operation according to the duty of outdoor supply relay, and then
Judge whether to occur the situation of communication lost contact.In the case of communication lost contact, according to the temperature parameter of indoor and outdoor, to air-conditioner
Duty and rotation speed of the fan are controlled, so that in the case of the lost contact that communicates between indoor set and off-premises station, it is also possible to
Normal work, thus avoid in prior art once lost contact and i.e. shut down and affect the problem that air-conditioning uses, improve making of air-conditioner
Use satisfaction.
Air-conditioning can be operated in normal work, tape jam works, communication lost contact 3 kinds of mode of operations of work, and 3 kinds of mode of operations
Control mode substantially prolongs the operable time of air-conditioner, solves common air-conditioning and once goes wrong, the fraud that just cannot work
End, greatly improves the satisfaction rate of client, in the case of emergency, it might even be possible to use fixed-frequency control plate to replace frequency conversion empty
Indoor plate is adjusted to use, it is also possible to frequency conversion room inner panel replaces fixed frequency electric-controlled plate for fixed frequency air conditioner, improves the versatility of electric-controlled plate,
Not only can improve the satisfaction rate of convertible frequency air-conditioner user, it is also possible to improve the satisfaction rate of fixed frequency air conditioner user, can fast lifting brand
Public praise.
Due to the fact that have employed indoor set when powering on reads the mode of the EEPROM parameter relevant to outdoor configuration from off-premises station,
So that indoor electric-controlled plate can match with the most outdoor electric-controlled plate, form perfect closed loop control so that outdoor unit modules
Change, solve the predicament of the corresponding a kind of new electric-controlled plate of one system requirements of common transducer air conditioning so that the control circuit of this invention
The suitability and composability be greatly reinforced, be greatly shortened product development cycle.
The air-conditioner of the present invention is stable and reliable in work, widening of the product market that is highly advantageous to.
The indoor set lost contact control method of a kind of transducer air conditioning of the present invention, has when can ensure that air conditioning chamber's inside and outside communication lost contact and goes back
Can normally work, ensure that user can normally use the advantages such as air-conditioning needs air-conditioning when to greatest extent.
Accompanying drawing explanation
Fig. 1 is the refrigeration system schematic diagram of the transducer air conditioning of the control method using the present invention.
Fig. 2 is the rotation speed of the fan during indoor set communication lost contact work of control method of the present invention and vs. temperature figure.
Fig. 3 is the flow chart of the indoor set lost contact control method of the transducer air conditioning of the present invention.
Fig. 4 is the flow process of the communication lost contact indoor set mode of operation of the indoor set lost contact control method of the transducer air conditioning of the present invention
Figure.
Fig. 5 is the flow process of the communication lost contact off-premises station mode of operation of the indoor set lost contact control method of the transducer air conditioning of the present invention
Figure.
Fig. 6 is the air-conditioning work pattern during off-premises station communication lost contact work of control method of the present invention and vs. temperature figure.
Accompanying drawing 1 is numbered: 1 compressor, 2 outdoor unit heat exchangers, 3 aerofoil fans, 4 indoor set heat exchangers, 5 first maos
Tubule, 6 axial-flow fans, 7 cross valves, 8 electric heaters, 9 gas-liquid separators, 10 check valves, 11 first stop valves, 12
Two stop valves, 13 second capillary tubies.
Below by way of detailed description of the invention, and the invention will be further described to combine accompanying drawing.
Detailed description of the invention
See Fig. 1, the indoor set lost contact control method of the transducer air conditioning of the present invention, comprise the steps:
Step 1: after air-conditioner start, be set by the user the mode of operation of air-conditioner；Mode of operation set by air-conditioner judgement
Whether it is air supply pattern；If air supply pattern, then proceed to step 2；If not air supply pattern, then proceed to step 5；
Step 2: after determining that the mode of operation of air-conditioning is air supply pattern, supply relay outside disconnection chamber, judge outdoor confession the most again
Whether the mark FLAG1 that electrical relay closed is 1；If FLAG1 is 1, then enter step 3；If FLAG1 is not
Be 1 but 0, then enter step 4；
Step 3: after judging that FLAG1 is 1, outdoor supply relay disconnects timing to start, then judges that supply relay disconnects meter
Time within M minute, the most arrive；If M minute arrives, supply relay disconnection timing is set and within M minute, has the most arrived mark FLAG2
It is 1, and resets FLAG1；If M minute is also less than, supply relay disconnection timing is set and within M minute, has the most arrived mark
FLAG2 is 0；
Step 4: if it is determined that the mark FLAG1 that outdoor supply relay closed is 0, then supply relay is set and disconnects meter
Time M minute the most arrived mark FLAG2 be 1；
Step 5: after determining that the mode of operation of air-conditioning is not air supply pattern, then judge whether supply relay disconnects timing M minute
Arrive whether mark FLAG2 is 1；If FLAG2 is not 1, then return again whether judgement symbol FLAG2 is 1；If
FLAG2 is 1, then closed by outdoor supply relay, and sets Guan Bi mark FLAG1 as 1；Indoor set sends and reads outdoor
The order of EEPROM, judges to read outdoor EEPROM the most successful the most again；If it is unsuccessful to read outdoor EEPROM,
Then enter step 6；If reading outdoor EEPROM success, then enter step 7；
Step 6: read outdoor EEPROM unsuccessful, air-conditioner enters communication lost contact mode of operation；Described communication lost contact works
Pattern includes being divided into communication lost contact indoor set mode of operation and the lost contact off-premises station mode of operation that communicates；
Step 7: reading outdoor EEPROM success, air-conditioner enters normal mode of operation；Then proceed to judge off-premises station and room
Whether the inside and outside communication of interior machine exists fault；If inside and outside communication exists fault, then air-conditioner is also into the communication described in step 6
Lost contact mode of operation；If inside and outside communication does not exist fault, then air-conditioner continues to run with and in running, constantly gathers temperature
The data such as degree, electric current, power, by set judgment basis, it is judged that whether air conditioning system exists fault；If there is fault,
Then enter step 8；If there is no fault, then enter step 9；
Step 8: judge to deposit after a failure, is estimated fault analyzing, it is judged that described fault is the most serious；If it is determined that institute
State fault serious, then shut down, report fault；If it is determined that described fault is not serious, then work on, display panel display fault generation
Code, prompting user reports for repairment；
Step 9: judge not deposit after a failure, then air-conditioner works on.
In described step 6, the process of described communication lost contact indoor set mode of operation comprises the steps:
Step 101: in the case of communication lost contact, indoor set display screen display lost contact code, prompting user reports for repairment, sentences the most again
Whether disconnected indoor temperature arrives design temperature；If indoor temperature has arrived at design temperature, then supply relay outside disconnection chamber；
If indoor temperature does not arrive design temperature, then proceed to step 102；
Step 102: in the case of indoor temperature does not arrive design temperature, then judge whether the mode of operation of air-conditioner is system
Heat pattern；If the mode of operation of air-conditioner is not heating mode, then indoor fan works by user's set position；If air-conditioning
The mode of operation of device is heating mode, then enter cold wind and prevent duty, and judge whether indoor heat exchanger temperature Rt is rising；
If indoor heat exchanger temperature Rt is rising, then enter step 103；Otherwise enter step 104；
Step 103: if indoor heat exchanger temperature Rt is rising, then judge that whether indoor heat exchanger temperature Rt is more than Temp3；
If indoor heat exchanger temperature Rt is more than Temp3, then indoor fan works by user's set position；If indoor heat exchanger
Temperature Rt is not more than Temp3, judges that whether indoor heat exchanger temperature Rt is more than Temp2 the most again；
If indoor heat exchanger temperature Rt is more than Temp2, then indoor fan speed only up to reach FI2 shelves；If indoor are changed
Hot device temperature Rt is not more than Temp2, then judges that whether indoor heat exchanger temperature Rt is more than Temp1；
If indoor heat exchanger temperature Rt is more than Temp1, then indoor fan speed only up to reach FI1 shelves；If indoor are changed
Hot device temperature Rt is not more than Temp1, then arranging indoor fan speed is FI0 shelves；
Step 104: if indoor heat exchanger temperature Rt is not rising, then judge that whether indoor heat exchanger temperature Rt is more than Temp2；
If indoor heat exchanger temperature Rt is more than Temp2, then indoor fan works by user's set position；If indoor heat exchanger
Temperature Rt is not more than Temp2, then judges that whether indoor heat exchanger temperature Rt is more than Temp1；
If indoor heat exchanger temperature Rt is more than Temp1, then indoor fan speed only up to reach FI2 shelves；If indoor are changed
Hot device temperature Rt is not more than Temp1, then judges that whether indoor heat exchanger temperature Rt is more than Temp0；If indoor heat exchanger temperature
Degree Rt is more than Temp0, then indoor fan speed only up to reach FI1 shelves；If indoor heat exchanger temperature Rt is not more than
Temp0, then arranging indoor fan speed is FI0 shelves.
In described step 6, the process of described communication lost contact off-premises station mode of operation comprises the steps:
Step 201: in the case of communication lost contact, off-premises station first will heat time timer M1 and reset, subsequently into step 202；
Step 202: judge that whether outdoor environment temperature Ro is more than Temp5；If outdoor environment temperature Ro is more than Temp5,
Then enter refrigeration modes work, heat time timer M1 and reset, return and again judge whether outdoor environment temperature Ro is more than
Temp5；If outdoor environment temperature Ro is not more than Temp5, enter step 203；
Step 203: when outdoor environment temperature Ro is not more than Temp5, then judge that whether outdoor environment temperature Ro is less than Temp4；
If outdoor environment temperature Ro is not less than Temp4, then return step 202；
If outdoor environment temperature Ro is less than Temp4, then enters and heat mode and work, heat time timer M1 timing and start；
Judge that whether outdoor environment temperature Ro difference Ro-Re with outdoor heat exchanger temperature Re is less than Temp6 again；
Step 204: if difference Ro-Re is not less than Temp6, then return step 202 and work on；If difference Ro-Re
Less than Temp6, then judge that heating the time timer M1 time arrives the most；If heating time timer M1 to have not timed out,
Then return step 202 to work on；If heating time timer M1 to have timed out, entering defrosting work, defrosting work is complete
Cheng Hou, exits defrosting, returns step 202 and works on.
Such as Fig. 1, transducer air conditioning includes that indoor set, off-premises station, refrigeration system and corresponding control circuit are constituted；Described room
Interior machine includes indoor set heat exchanger 4, electric heater 8 and axial-flow fan 6；One end of described indoor set heat exchanger 4 connects first section
Only valve 11, the other end and second stop valve 12 of described indoor set heat exchanger 4 are connected；Described off-premises station includes that off-premises station changes
Hot device 2, compressor 1, aerofoil fan the 3, first capillary tube 5, cross valve 7, gas-liquid separator 9 and check valve 10.
Low pressure, low-temperature refrigerant steam in refrigeration system are sucked by compressor 1, compressed for high pressure, the superheated steam of high temperature
Heel row is to outdoor unit heat exchanger 2；The outdoor air that outdoor side axial 3 sucks simultaneously flows through outdoor unit heat exchanger 2, takes away system
Cryogen liberated heat, makes high pressure, the refrigerant vapour of high temperature is condensed into highly pressurised liquid.Highly pressurised liquid is through throttle capillary tube 5
Blood pressure lowering cooling flows into indoor set heat exchanger 4, and evaporates under corresponding low pressure, draws ambient heat；Indoor fan 6 simultaneously
Make room air constantly enter between the fin of indoor set heat exchanger 4 and carry out heat exchange, and the gas turned cold after heat release is sent to room
In.So, indoor-outdoor air constantly circulates, and reduces the purpose of temperature.When heating, utilize the compression of refrigeration system
Condensation heat comes heating indoor air, low pressure, low-temperature refrigerant liquid evaporation endothermic in vaporizer, and high-temperature high-pressure refrigerant
Gas is exothermic condensation in condenser.Changed the loop direction of cold-producing medium when heat pump heats by cross valve 7, make originally to freeze
During work, the indoor set heat exchanger as vaporizer becomes condenser when heating, originally as the outdoor of condenser during refrigeration work
Machine heat exchanger becomes vaporizer when heating, and such refrigeration system is in outdoor heat absorption, indoor heat release, it is achieved the purpose heated.
Described compressor 1 is connected with the first port of described cross valve 7, the second port of described cross valve 7 and described first
Stop valve 11 is connected, and the 3rd port of described cross valve 7 is connected with described gas-liquid separator 9, the of described cross valve 7
Four ports are connected with one end of described outdoor unit heat exchanger 2, the other end of described outdoor unit heat exchanger 2 and described first capillary
One end of pipe 5 is connected, and the other end of described first capillary tube 5 is connected with one end of described check valve 10, described check valve
The other end of 10 is connected with described second stop valve 12；The side of described outdoor unit heat exchanger 2 is provided with aerofoil fan 3；Institute
The motor of the motor and described aerofoil fan 3 of stating axial-flow fan 6 is brshless DC motor；The axial-flow fan 6 of described indoor set
Motor and the motor of aerofoil fan 3 of described off-premises station respectively by two pieces of panels of indoor and outdoors (i.e. indoor electric-controlled plate and room
Outer electric-controlled plate) control.
Described off-premises station also includes the second capillary tube 13；Described check valve 10 is in parallel with the second capillary tube 13 and is connected.
Indoor, outdoor fan all uses DC brushless motor, is controlled by two pieces of panels respectively, by closed loop control, makes motor
Rotating speed controls stable and not influence by voltage, and noise is little；High temperature heats, under low-temperature heating operating mode, the heating effect of air-conditioner is more
Good.Outdoor motor uses single control circuit so that fixed rotating speed and the adjustable rotating speed of outdoor motor can arbitrarily switch, and again may be used
When closed loop rotation speed control loop damages, outdoor fan continues normal work.
The control circuit of the transducer air conditioning of the present invention is provided with plug type mnemonic EEPROM, at indoor electric-controlled plate
With 2-3 described pluggable EEPROM is set on outdoor electric-controlled plate, system control parameters, outdoor system in storage chamber respectively
Control parameter and outdoor press drives parameter.The control parameter that outdoor system is relevant is placed in off-premises station EEPROM, energising
After, indoor set reads the system control parameters of off-premises station.Adopt and be because in this way corresponding to different off-premises station, compressor
Systematic parameter different, this partial parameters is placed in outdoor EEPROM, the versatility of indoor panel can be improved greatly.
Fig. 2 is the rotation speed of the fan during indoor set communication lost contact work of the control method of the present invention and vs. temperature figure.In room
Inside and outside communication lost contact, in the case of air-conditioning heating, when heat exchange temperature changes, according to the temperature of Fig. 2--rotating speed transformational relation figure,
The rotating speed of indoor motor is controlled, thus the many rotating speeds realizing indoor motor control.When temperature is raised, it is less than or equal to
During Temp1, indoor fan rotating speed is FI0, and during more than Temp1, indoor fan rotating speed is the highest less than FI1, more than Temp2
Time, indoor fan rotating speed is the highest less than FI2, and during more than Temp3, indoor fan rotating speed sets work by user；Work as temperature
During decline, during more than Temp2, indoor fan rotating speed sets work by user, and during more than Temp1, indoor fan rotating speed is the highest
Less than FI2, during more than Temp0, indoor fan rotating speed is the highest less than FI1, during less than or equal to Temp0, indoor fan
Rotating speed is FI0.
Shown in Fig. 3, for the workflow diagram of overall control method, after start, user sets mode of operation, it may be judged whether be to send
Wind pattern.
A (in Fig. 1 at A): if it is determined that result for being air supply pattern, supply relay outside disconnection chamber, judge room the most again
Whether the mark FLAG1 that outer supply relay closed is 1；
A: if it is determined that result be FLAG1 be 1, outdoor supply relay disconnects timing to start, then judges supply relay
Disconnect timing the most to arrive for M minute；
A) if it is determined that result for being to arrive for M minute, arrange supply relay disconnect timing within M minute, the most arrived mark
FLAG2 is 1, and resets FLAG1；
B) if it is determined that result be to be less than for M minute, arrange supply relay disconnect timing within M minute, the most arrived mark
FLAG2 is 0；
B: if it is determined that the mark FLAG1 that outdoor supply relay closed is 0, then supply relay is set and disconnects timing M
Minute the most arriving mark FLAG2 is 1；
B: if it is determined that be whether the result of air supply pattern be no, then judge that supply relay disconnects timing and the most arrives for M minute
Mark FLAG2 whether be 1, if it is determined that result be no, then return and judge again, if it is determined that result be yes, then by room
Outer supply relay closes, and sets Guan Bi mark FLAG1 as 1；
Outdoor supply relay once disconnects, and can be again turned on just need to be spaced M minute, be to prevent frequent adhesive, to outdoor
The big circuit damage outdoor supply relay of the smothing filtering electric capacity charging of machine；
Outdoor EEPROM order is read in indoor transmission, judges to read outdoor EEPROM more successful,
A1: if it is determined that result be no, read unsuccessful, then enter communication lost contact mode of operation；
B1: if it is determined that result be yes, read successfully, then enter normal mode of operation, then proceed to judge indoor and outdoor communication
Whether there is fault, if it is determined that result be yes, then also into communication lost contact mode of operation；Otherwise, in running,
Constantly gather data, it may be judged whether there is fault？
A1: if it is determined that result for there is fault, then fault is estimated, it is judged that fault is the most serious；If it is determined that
Result is that fault is serious, then shut down, report fault；It is otherwise that fault is not serious, works on, display panel display failure code,
Prompting user reports for repairment；
B1: if it is determined that the result that whether there is fault is no, the most there is not fault, then work on.
Shown in Fig. 4, for the workflow diagram of indoor set during lost contact.In the case of communication lost contact, indoor set display screen display lost contact
Code, prompting user report for repairment, judge whether the most again arrive design temperature, if it is determined that result be yes, then outside disconnection chamber confession
Electrical relay, otherwise, then judges whether it is heating mode, if it is determined that result be no, then fan press user's set position work
Make, if it is determined that result be yes, then enter cold wind prevent duty, it is judged that indoor heat exchanger temperature Rt rising？
A2: if it is determined that result be yes, then judge that indoor heat exchanger temperature Rt is more than Temp3？If it is determined that result
Be yes, then fan works by user's set position, judges that indoor heat exchanger temperature Rt is more than Temp2 the most again？
If it is determined that result be yes, fan speed is set and only up to reach FI2 shelves, judge indoor heat exchanger temperature the most again
Rt is more than Temp1？
If it is determined that result be yes, fan speed is set and only up to reach FI1 shelves, otherwise arranging fan speed is FI0 shelves.
B2: if it is determined that indoor heat exchanger temperature Rt is no in the result risen, judge the most again to judge indoor heat exchanger temperature again
Rt is more than Temp2？If it is determined that result be yes, then fan works by user's set position, judges indoor heat exchange the most again
Device temperature Rt is more than Temp1？
If it is determined that result be yes, fan speed is set and only up to reach FI2 shelves, judge indoor heat exchanger temperature the most again
Rt is more than Temp0？
If it is determined that result be yes, fan speed is set and only up to reach FI1 shelves, otherwise arranging fan speed is FI0 shelves.
Shown in Fig. 5, for the workflow diagram of off-premises station during lost contact.After entering lost contact mode of operation, heat time timer M1
Reset, judge that outdoor environment temperature Ro is more than Temp5 the most again？If it is determined that result be yes, then enter refrigeration modes
Work, heats time timer M1 and resets, and otherwise, then judges that outdoor environment temperature Ro is less than Temp4？If it is determined that
Result be no, then return continue judge, if it is determined that result be yes, then heat time timer M1 timing and start, then
Judge that outdoor environment temperature Ro difference Ro-Re with outdoor heat exchanger temperature Re is less than Temp6？Fig. 6 is control of the present invention
Air-conditioning work pattern when the off-premises station communication lost contact of method works and vs. temperature figure.The relation of Temp4, Temp5 is shown in
Fig. 6, Temp6 are exactly a default temperature value, and Ro-Re is a temperature gap.
If it is determined that result be no, then work on, judge the most again to heat time timer M1 time is up？
If it is determined that result be no, then work on, otherwise, enter defrosting, defrosting after work completes, is exited defrosting, is continued
Continuous work.
In being embodied as, it is also possible to more gear outdoor motor rotating speed is set again, according to variations in temperature, when coil temperature is low, fall
The slow-speed of revolution, even switches off indoor fan, prevents under the heating mode of indoor and outdoor lost contact situation, and cold wind during off-premises station defrosting blows
Go out, cause the discomfort of human body.When coil temperature rises, promote rotating speed, reach to promote the purpose of heating capacity.
As it has been described above, the accompanying drawings indoor set lost contact control method of a kind of transducer air conditioning of the present invention, but the present invention
Can not be limited by the example described in this specification and accompanying drawing, one of ordinary skill in the art is protected at the technological thought of the present invention
In the range of various deformation example can be proposed.
Claims (1)
1. the indoor set lost contact control method of transducer air conditioning, is characterized in that, comprise the steps:
Step 1: after air-conditioner start, be set by the user the mode of operation of air-conditioner；Mode of operation set by air-conditioner judgement
Whether it is air supply pattern；If air supply pattern, then proceed to step 2；If not air supply pattern, then proceed to step 5；
Step 2: after determining that the mode of operation of air-conditioning is air supply pattern, supply relay outside disconnection chamber, judge outdoor confession the most again
Whether the mark FLAG1 that electrical relay closed is 1；If FLAG1 is 1, then enter step 3；If FLAG1 is not
Be 1 but 0, then enter step 4；
Step 3: after judging that FLAG1 is 1, outdoor supply relay disconnects timing to start, then judges that supply relay disconnects meter
Time within M minute, the most arrive；If M minute arrives, supply relay disconnection timing is set and within M minute, has the most arrived mark FLAG2
It is 1, and resets FLAG1；If M minute is also less than, supply relay disconnection timing is set and within M minute, has the most arrived mark
FLAG2 is 0；
Step 4: if it is determined that the mark FLAG1 that outdoor supply relay closed is 0, then supply relay is set and disconnects meter
Time M minute the most arrived mark FLAG2 be 1；
Step 5: after determining that the mode of operation of air-conditioning is not air supply pattern, then judge whether supply relay disconnects timing M minute
Arrive whether mark FLAG2 is 1；If FLAG2 is not 1, then return again whether judgement symbol FLAG2 is 1；If
FLAG2 is 1, then closed by outdoor supply relay, and sets Guan Bi mark FLAG1 as 1；Indoor set sends and reads outdoor
The order of EEPROM, judges to read outdoor EEPROM the most successful the most again；If it is unsuccessful to read outdoor EEPROM,
Then enter step 6；If reading outdoor EEPROM success, then enter step 7；
Step 6: read outdoor EEPROM unsuccessful, air-conditioner enters communication lost contact mode of operation；Described communication lost contact works
Pattern includes being divided into communication lost contact indoor set mode of operation and the lost contact off-premises station mode of operation that communicates；
Step 7: reading outdoor EEPROM success, air-conditioner enters normal mode of operation；Then proceed to judge off-premises station and room
Whether the inside and outside communication of interior machine exists fault；If inside and outside communication exists fault, then air-conditioner is also into the communication described in step 6
Lost contact mode of operation；If inside and outside communication does not exist fault, then air-conditioner continues to run with and in running, constantly gathers temperature
Degree, electric current, power data, by set judgment basis, it is judged that whether air conditioning system exists fault；If there is fault,
Then enter step 8；If there is no fault, then enter step 9；
Step 8: judge to deposit after a failure, is estimated fault analyzing, it is judged that described fault is the most serious；If it is determined that institute
State fault serious, then shut down, report fault；If it is determined that described fault is not serious, then work on, display panel display fault generation
Code, prompting user reports for repairment；
Step 9: judge not deposit after a failure, then air-conditioner works on；
In described step 6, the process of described communication lost contact indoor set mode of operation comprises the steps:
Step 101: in the case of communication lost contact, indoor set display screen display lost contact code, prompting user reports for repairment, sentences the most again
Whether disconnected indoor temperature arrives design temperature；If indoor temperature has arrived at design temperature, then supply relay outside disconnection chamber；
If indoor temperature does not arrive design temperature, then proceed to step 102；
Step 102: in the case of indoor temperature does not arrive design temperature, then judge whether the mode of operation of air-conditioner is system
Heat pattern；If the mode of operation of air-conditioner is not heating mode, then indoor fan works by user's set position；If air-conditioning
The mode of operation of device is heating mode, then enter cold wind and prevent duty, and judge whether indoor heat exchanger temperature Rt is rising；
If indoor heat exchanger temperature Rt is rising, then enter step 103；Otherwise enter step 104；
Step 103: if indoor heat exchanger temperature Rt is rising, then judge that whether indoor heat exchanger temperature Rt is more than Temp3；
If indoor heat exchanger temperature Rt is more than Temp3, then indoor fan works by user's set position；If indoor heat exchanger
Temperature Rt is not more than Temp3, judges that whether indoor heat exchanger temperature Rt is more than Temp2 the most again；
If indoor heat exchanger temperature Rt is more than Temp2, then indoor fan speed only up to reach FI2 shelves；If indoor are changed
Hot device temperature Rt is not more than Temp2, then judges that whether indoor heat exchanger temperature Rt is more than Temp1；
If indoor heat exchanger temperature Rt is more than Temp1, then indoor fan speed only up to reach FI1 shelves；If indoor are changed
Hot device temperature Rt is not more than Temp1, then arranging indoor fan speed is FI0 shelves；
Step 104: if indoor heat exchanger temperature Rt is not rising, then judge that whether indoor heat exchanger temperature Rt is more than Temp2；
If indoor heat exchanger temperature Rt is more than Temp2, then indoor fan works by user's set position；If indoor heat exchanger
Temperature Rt is not more than Temp2, then judges that whether indoor heat exchanger temperature Rt is more than Temp1；
If indoor heat exchanger temperature Rt is more than Temp1, then indoor fan speed only up to reach FI2 shelves；If indoor are changed
Hot device temperature Rt is not more than Temp1, then judges that whether indoor heat exchanger temperature Rt is more than Temp0；If indoor heat exchanger temperature
Degree Rt is more than Temp0, then indoor fan speed only up to reach FI1 shelves；If indoor heat exchanger temperature Rt is not more than
Temp0, then arranging indoor fan speed is FI0 shelves.
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| CN104748311B (en) * | 2015-03-31 | 2017-08-15 | 美的集团股份有限公司 | The control method and system of air conditioner |
| CN105650827B (en) * | 2016-03-02 | 2019-01-25 | 珠海格力电器股份有限公司 | Self-adaptive fault operation control method and system and air conditioning unit |
| CN108375257A (en) * | 2018-01-04 | 2018-08-07 | 青岛海尔空调器有限总公司 | Air-conditioner control method and control circuit |
| CN108332384A (en) * | 2018-01-04 | 2018-07-27 | 青岛海尔空调器有限总公司 | Air-conditioner control method and control circuit |
| CN114719396A (en) * | 2022-03-17 | 2022-07-08 | 北京小米移动软件有限公司 | Air conditioner control method and device |
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Address after: 239000 No. 588, Shanghai Road, Chengdong Industrial Park, Anhui, Chuzhou Patentee after: Anhui Yangzi Air Conditioning Co., Ltd Address before: 239000 No. 588, Shanghai Road, Chengdong Industrial Park, Anhui, Chuzhou Patentee before: CHINA YANGZI GROUP CHUZHOU YANGZI AIR CONDITIONER Co.,Ltd. |
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