CN104214901A - 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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- CN104214901A CN104214901A CN201410498773.7A CN201410498773A CN104214901A CN 104214901 A CN104214901 A CN 104214901A CN 201410498773 A CN201410498773 A CN 201410498773A CN 104214901 A CN104214901 A CN 104214901A
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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 a kind of indoor set lost contact control method of transducer air conditioning.
Background technology
Existing convertible frequency air-conditioner, because of its power saving, the advantage such as comfortable, is more and more subject to the favor of consumer.Existing transducer air conditioning, needs the normal operation being ensured indoor set and off-premises station by telecommunication circuit.Telecommunication circuit passes through photo-coupler, the signal that indoor set/off-premises station processor is assigned is carried out opto-electronic conversion, then carries out electric signal transmission by holding wire, then pass through photo-coupler, the signal of telecommunication is carried out opto-electronic conversion, and off-premises station/indoor set processor Received signal strength is gone forward side by side row relax.But, indoor, outdoor, middle connecting line tripartite either party damage, all will cause air-conditioning cisco unity malfunction.
No matter realize the angle of structure from the operation logic of convertible frequency air-conditioner or its, convertible frequency air-conditioner is all more complicated than common fixed frequency air conditioner many.Thus, convertible frequency air-conditioner, especially relatively high, the maintenance difficult of the fault rate of electric-controlled plate.
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 the coldest in normally can use convertible frequency air-conditioner? these problems annoying technical staff in the industry always, make the behaviour in service of transducer air conditioning 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 there is communication failure between indoor, outdoor, air-conditioning display floater will show mistake, and then air-conditioning cisco unity malfunction can be caused.Current air-conditioner, does not possess communication lost contact controlling functions, all can quit work when communicating lost contact, or breaks down air-conditioning cannot normally be used, thus affects the user satisfaction of user to air-conditioning.
Summary of the invention
The present invention is for avoiding the weak point that exists in above-mentioned prior art, a kind of indoor set lost contact control method of transducer air conditioning is provided, can also normally works during to guarantee to communicate lost contact inside and outside air conditioning chamber, ensure that user can normal using air-condition when needs air-conditioning to greatest extent.
The present invention be technical solution problem 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; Whether the mode of operation set by air-conditioner judges 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: determine that the mode of operation of air-conditioning is after air supply pattern, supply relay outside disconnection chamber, and then judge whether the mark FLAG1 that outdoor supply relay closed is 1; If FLAG1 is 1, then enter step 3; If FLAG1 is not 1 but 0, then enter step 4;
Step 3: judge that FLAG1 is after 1, outdoor supply relay disconnects timing to start, then judges that supply relay disconnects timing and whether arrives for M minute; If M minute arrives, supply relay is set and disconnects timing and within M minute, whether arrive and indicate that FLAG2 is 1, and reset FLAG1; If M minute is also less than, arrange supply relay disconnect timing within M minute, whether arrive indicate FLAG2 be 0;
Step 4: if judge that the mark FLAG1 that outdoor supply relay closed is 0, then arrange supply relay disconnect timing within M minute, whether arrive indicate FLAG2 be 1;
Step 5: determine that the mode of operation of air-conditioning is not after air supply pattern, then judge that supply relay disconnects timing and within M minute, whether arrived whether mark FLAG2 is 1; Whether if FLAG2 is not 1, then returning judgement symbol FLAG2 is 1 again; If FLAG2 is 1, then outdoor supply relay is closed, and set closed mark FLAG1 as 1; Indoor set sends the order of reading outdoor EEPROM, and then whether judge to read outdoor EEPROM successful; If it is unsuccessful to read outdoor EEPROM, then enter step 6; If read 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 mode of operation comprises and is divided into communication lost contact indoor set mode of operation and the lost contact off-premises station mode of operation that communicates;
Step 7: read outdoor EEPROM success, air-conditioner enters normal mode of operation; Then continue to judge whether off-premises station exists fault with inside and outside communication of indoor set; If inside and outside communication exists fault, then air-conditioner also enters the communication lost contact mode of operation described in step 6; If there is not fault in inside and outside communication, then air-conditioner continue run and in running, the data such as continuous collecting temperature, electric current, power, by set judgment basis, judge 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, analysis and assessment are carried out to fault, judges that whether described fault is serious; If judge that described fault is serious, then shut down, report fault; If judge that described fault is not serious, then work on, display board display failure 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 communication lost contact situation, indoor set display screen display lost contact code, prompting user reports for repairment, and then judges whether indoor temperature arrives design temperature; If indoor temperature arrives design temperature, then supply relay outside disconnection chamber; If indoor temperature does not arrive design temperature, then proceed to step 102;
Step 102: when indoor temperature does not arrive design temperature, more whether the mode of operation judging air-conditioner is heating mode; If the mode of operation of air-conditioner is not heating mode, then indoor fan is by the work of user's set position; If the mode of operation of air-conditioner is heating mode, then enters cold wind and prevent duty, and judge that whether indoor heat exchanger temperature Rt is in rising; If indoor heat exchanger temperature Rt in rising, then enters step 103; Otherwise enter step 104;
Step 103: if indoor heat exchanger temperature Rt is in rising, then judge whether indoor heat exchanger temperature Rt is greater than Temp3;
If indoor heat exchanger temperature Rt is greater than Temp3, then indoor fan is by the work of user's set position; If indoor heat exchanger temperature Rt is not more than Temp3, then judge whether indoor heat exchanger temperature Rt is greater than Temp2 again;
If indoor heat exchanger temperature Rt is greater than Temp2, then indoor fan speed is the highest can only reach FI2 shelves; If indoor heat exchanger temperature Rt is not more than Temp2, then judge whether indoor heat exchanger temperature Rt is greater than Temp1;
If indoor heat exchanger temperature Rt is greater than Temp1, then indoor fan speed is the highest can only reach FI1 shelves; If indoor heat exchanger 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 in rising, then judge whether indoor heat exchanger temperature Rt is greater than Temp2;
If indoor heat exchanger temperature Rt is greater than Temp2, then indoor fan is by the work of user's set position; If indoor heat exchanger temperature Rt is not more than Temp2, then judge whether indoor heat exchanger temperature Rt is greater than Temp1;
If indoor heat exchanger temperature Rt is greater than Temp1, then indoor fan speed is the highest can only reach FI2 shelves; If indoor heat exchanger temperature Rt is not more than Temp1, then judge whether indoor heat exchanger temperature Rt is greater than Temp0; If indoor heat exchanger temperature Rt is greater than Temp0, then indoor fan speed is the highest can only 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 communication lost contact situation, off-premises station first will heat time timer M1 and reset, and then enter step 202;
Step 202: judge whether outdoor environment temperature Ro is greater than Temp5; If outdoor environment temperature Ro is greater than Temp5, then enter refrigeration modes work, heat time timer M1 and reset, return and again judge whether outdoor environment temperature Ro is greater 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 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 the mode of heating and work, heat time timer M1 timing and start; Judge whether the difference Ro-Re of outdoor environment temperature Ro and outdoor heat exchange actuator 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 is less than Temp6, then judge whether heat the time timer M1 time arrives; If heat the time timer M1 time not arrive, then return step 202 and work on; If time is up to heat time timer M1, enter defrosting work, after defrosting work completes, exit defrosting, return step 202 and work on.
Compared with the prior art, beneficial effect of the present invention is embodied in:
The indoor set lost contact control method of transducer air conditioning of the present invention, after air-conditioner start, is set by the user the mode of operation of air-conditioner.User judges according to mode of operation, and carries out judgement operation according to the duty of outdoor supply relay, and then judges whether the situation that communication lost contact occurs.When communicating lost contact; according to the temperature parameter of indoor and outdoor; the duty of air-conditioner and rotation speed of the fan are controlled; thus when making to communicate lost contact between indoor set and off-premises station; also can normally work; thus avoid once namely lost contact shuts down and affect the problem of air-conditioning use in prior art, the user satisfaction of raising air-conditioner.
Air-conditioning can be operated in normal work, tape jam works, communication lost contact work 3 kinds of mode of operations, and the control mode of 3 kinds of mode of operations substantially prolongs the operable time of air-conditioner, solve common air-conditioning once go wrong, the drawback that just cannot work, greatly improve the satisfaction rate of client, in emergency situation, fixed-frequency control plate even can be adopted to replace the indoor plate of convertible frequency air-conditioner to use, also can fixed electric-controlled plate frequently be replaced for fixed frequency air conditioner by frequency conversion room inner panel, improve the versatility of electric-controlled plate, not only can improve the satisfaction rate of convertible frequency air-conditioner user, also the satisfaction rate of fixed frequency air conditioner user can be improved, can the public praise of fast lifting brand.
Indoor set machine-readable mode of getting the EEPROM parameter relevant to outdoor configuration outdoor when the present invention powers on owing to have employed, indoor electric-controlled plate can be made can to match with any outdoor electric-controlled plate, form perfect closed-loop control, make outdoor unit modules, solve the predicament of the corresponding a kind of new electric-controlled plate of common transducer air conditioning system requirements, applicability and the composability of the control circuit that this is invented are strengthened greatly, greatly shorten product development cycle.
Air-conditioner working stability of the present invention is reliable, widening of the produce 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 guarantee air conditioning chamber's inside and outside communication lost contact and normally can also work, ensure that user can the normal advantage such as using air-condition when needs air-conditioning to greatest extent.
Accompanying drawing explanation
Fig. 1 is the refrigeration system schematic diagram of the transducer air conditioning adopting control method of the present invention.
Rotation speed of the fan when Fig. 2 is the 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 transducer air conditioning of the present invention.
Fig. 4 is the flow chart of the communication lost contact indoor set mode of operation of the indoor set lost contact control method of transducer air conditioning of the present invention.
Fig. 5 is the flow chart of the communication lost contact off-premises station mode of operation of the indoor set lost contact control method of transducer air conditioning of the present invention.
Air-conditioning work pattern when Fig. 6 is the off-premises station communication lost contact work of control method of the present invention and vs. temperature figure.
In accompanying drawing 1, label is: 1 compressor, 2 outdoor unit heat exchangers, 3 aerofoil fans, 4 indoor set heat exchangers, 5 first capillaries, 6 axial-flow fans, 7 cross valves, 8 electric heaters, 9 gas-liquid separators, 10 check valves, 11 first stop valves, 12 second stop valves, 13 second capillaries.
Below by way of detailed description of the invention, and the invention will be further described by reference to the accompanying drawings.
Detailed description of the invention
See Fig. 1, the indoor set lost contact control method of transducer air conditioning of the present invention, comprises the steps:
Step 1: after air-conditioner start, be set by the user the mode of operation of air-conditioner; Whether the mode of operation set by air-conditioner judges 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: determine that the mode of operation of air-conditioning is after air supply pattern, supply relay outside disconnection chamber, and then judge whether the mark FLAG1 that outdoor supply relay closed is 1; If FLAG1 is 1, then enter step 3; If FLAG1 is not 1 but 0, then enter step 4;
Step 3: judge that FLAG1 is after 1, outdoor supply relay disconnects timing to start, then judges that supply relay disconnects timing and whether arrives for M minute; If M minute arrives, supply relay is set and disconnects timing and within M minute, whether arrive and indicate that FLAG2 is 1, and reset FLAG1; If M minute is also less than, arrange supply relay disconnect timing within M minute, whether arrive indicate FLAG2 be 0;
Step 4: if judge that the mark FLAG1 that outdoor supply relay closed is 0, then arrange supply relay disconnect timing within M minute, whether arrive indicate FLAG2 be 1;
Step 5: determine that the mode of operation of air-conditioning is not after air supply pattern, then judge that supply relay disconnects timing and within M minute, whether arrived whether mark FLAG2 is 1; Whether if FLAG2 is not 1, then returning judgement symbol FLAG2 is 1 again; If FLAG2 is 1, then outdoor supply relay is closed, and set closed mark FLAG1 as 1; Indoor set sends the order of reading outdoor EEPROM, and then whether judge to read outdoor EEPROM successful; If it is unsuccessful to read outdoor EEPROM, then enter step 6; If read 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 mode of operation comprises and is divided into communication lost contact indoor set mode of operation and the lost contact off-premises station mode of operation that communicates;
Step 7: read outdoor EEPROM success, air-conditioner enters normal mode of operation; Then continue to judge whether off-premises station exists fault with inside and outside communication of indoor set; If inside and outside communication exists fault, then air-conditioner also enters the communication lost contact mode of operation described in step 6; If there is not fault in inside and outside communication, then air-conditioner continue run and in running, the data such as continuous collecting temperature, electric current, power, by set judgment basis, judge 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, analysis and assessment are carried out to fault, judges that whether described fault is serious; If judge that described fault is serious, then shut down, report fault; If judge that described fault is not serious, then work on, display board display failure 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 communication lost contact situation, indoor set display screen display lost contact code, prompting user reports for repairment, and then judges whether indoor temperature arrives design temperature; If indoor temperature arrives design temperature, then supply relay outside disconnection chamber; If indoor temperature does not arrive design temperature, then proceed to step 102;
Step 102: when indoor temperature does not arrive design temperature, more whether the mode of operation judging air-conditioner is heating mode; If the mode of operation of air-conditioner is not heating mode, then indoor fan is by the work of user's set position; If the mode of operation of air-conditioner is heating mode, then enters cold wind and prevent duty, and judge that whether indoor heat exchanger temperature Rt is in rising; If indoor heat exchanger temperature Rt in rising, then enters step 103; Otherwise enter step 104;
Step 103: if indoor heat exchanger temperature Rt is in rising, then judge whether indoor heat exchanger temperature Rt is greater than Temp3;
If indoor heat exchanger temperature Rt is greater than Temp3, then indoor fan is by the work of user's set position; If indoor heat exchanger temperature Rt is not more than Temp3, then judge whether indoor heat exchanger temperature Rt is greater than Temp2 again;
If indoor heat exchanger temperature Rt is greater than Temp2, then indoor fan speed is the highest can only reach FI2 shelves; If indoor heat exchanger temperature Rt is not more than Temp2, then judge whether indoor heat exchanger temperature Rt is greater than Temp1;
If indoor heat exchanger temperature Rt is greater than Temp1, then indoor fan speed is the highest can only reach FI1 shelves; If indoor heat exchanger 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 in rising, then judge whether indoor heat exchanger temperature Rt is greater than Temp2;
If indoor heat exchanger temperature Rt is greater than Temp2, then indoor fan is by the work of user's set position; If indoor heat exchanger temperature Rt is not more than Temp2, then judge whether indoor heat exchanger temperature Rt is greater than Temp1;
If indoor heat exchanger temperature Rt is greater than Temp1, then indoor fan speed is the highest can only reach FI2 shelves; If indoor heat exchanger temperature Rt is not more than Temp1, then judge whether indoor heat exchanger temperature Rt is greater than Temp0; If indoor heat exchanger temperature Rt is greater than Temp0, then indoor fan speed is the highest can only 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 communication lost contact situation, off-premises station first will heat time timer M1 and reset, and then enter step 202;
Step 202: judge whether outdoor environment temperature Ro is greater than Temp5; If outdoor environment temperature Ro is greater than Temp5, then enter refrigeration modes work, heat time timer M1 and reset, return and again judge whether outdoor environment temperature Ro is greater 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 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 the mode of heating and work, heat time timer M1 timing and start; Judge whether the difference Ro-Re of outdoor environment temperature Ro and outdoor heat exchange actuator 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 is less than Temp6, then judge whether heat the time timer M1 time arrives; If heat the time timer M1 time not arrive, then return step 202 and work on; If time is up to heat time timer M1, enter defrosting work, after defrosting work completes, exit defrosting, return step 202 and work on.
As Fig. 1, transducer air conditioning comprises indoor set, off-premises station, refrigeration system and corresponding control circuit and forms; Described indoor set comprises indoor set heat exchanger 4, electric heater 8 and axial-flow fan 6; One end of described indoor set heat exchanger 4 is connected with the first stop valve 11, and the other end of described indoor set heat exchanger 4 is connected with the second stop valve 12; Described off-premises station comprises outdoor unit heat exchanger 2, compressor 1, aerofoil fan 3, first capillary 5, cross valve 7, gas-liquid separator 9 and check valve 10.
Low pressure in refrigeration system, low-temperature refrigerant steam are sucked by compressor 1, drain into outdoor unit heat exchanger 2 after the compressed superheated steam for high pressure, high temperature; The outdoor air that simultaneously outdoor side axial 3 sucks flows through outdoor unit heat exchanger 2, takes away cold-producing medium liberated heat, makes high pressure, the refrigerant vapour of high temperature is condensed into highly pressurised liquid.Highly pressurised liquid flows into indoor set heat exchanger 4 through throttle capillary tube 5 step-down cooling, and evaporates under corresponding low pressure, draws ambient heat; Carry out heat exchange between the fin that simultaneously indoor fan 6 makes room air constantly enter indoor set heat exchanger 4, and the gas turned cold after heat release is sent to indoor.So, indoor-outdoor air constantly circulates, and reaches the object reducing temperature.When heating, the compression condensation heat of refrigeration system is utilized to carry out heating indoor air, low pressure, low-temperature refrigerant liquid evaporation endothermic in evaporimeter, and high-temperature high-pressure refrigerant gas exothermic condensation in condenser.Changed the loop direction of cold-producing medium by cross valve 7 when heat pump heats, condenser when heating is become as the indoor set heat exchanger of evaporimeter when making original refrigeration work, originally become evaporimeter when heating as the outdoor unit heat exchanger of condenser during refrigeration work, such refrigeration system is in outdoor heat absorption, indoor heat release, realizes the object heated.
Described compressor 1 is connected with the first port of described cross valve 7, second port of described cross valve 7 is connected with described first stop valve 11,3rd port of described cross valve 7 is connected with described gas-liquid separator 9,4th port of described cross valve 7 is connected with one end of described outdoor unit heat exchanger 2, the other end of described outdoor unit heat exchanger 2 is connected with one end of described first capillary 5, the other end of described first capillary 5 is connected with one end of described check valve 10, and the other end of described check valve 10 is connected with described second stop valve 12; The side of described outdoor unit heat exchanger 2 is provided with aerofoil fan 3; The motor of described axial-flow fan 6 and the motor of described aerofoil fan 3 are brshless DC motor; The motor of the motor of the axial-flow fan 6 of described indoor set and the aerofoil fan 3 of described off-premises station is controlled by indoor and outdoors two pieces of control panels (i.e. indoor electric-controlled plate and outdoor electric-controlled plate) respectively.
Described off-premises station also comprises the second capillary 13; Described check valve 10 is in parallel with the second capillary 13 and is connected.
Indoor, outdoor fan all adopts DC brushless motor, is controlled respectively by two pieces of control panels, and by closed-loop control, make motor speed control stable and not influence by voltage, noise is little; High temperature heats, under low-temperature heating operating mode, the heating effect of air-conditioner is better.Outdoor motor adopts independent control circuit, and the fixed rotating speed of outdoor motor and adjustable rotating speed can arbitrarily be switched, again can when closed loop rotation speed control loop damages, and outdoor fan continues normal work.
Plug type mnemonic EEPROM is provided with in the control circuit of transducer air conditioning of the present invention, indoor electric-controlled plate and outdoor electric-controlled plate arrange 2-3 described pluggable EEPROM, and in storage chamber, system control parameters, outdoor system controling parameters and outdoor press drive parameter respectively.The controling parameters that outdoor system is relevant is placed in off-premises station EEPROM, and after energising, indoor set reads the system control parameters of off-premises station.Adopting is because different off-premises station, systematic parameter corresponding to compressor are different in this way, this part parameter is placed in outdoor EEPROM, can improves the versatility of indoor control panel greatly.
Rotation speed of the fan when Fig. 2 is the indoor set communication lost contact work of control method of the present invention and vs. temperature figure.In indoor and outdoor communication lost contact, in air-conditioning heating situation, when heat exchange temperature changes, according to the temperature of Fig. 2--rotating speed transformational relation figure, controls the rotating speed of indoor motor, thus the many rotating speeds realizing indoor motor control.When temperature is raised, when being less than or equal to Temp1, indoor fan rotating speed is FI0, when being greater than Temp1, the highest FI1 that is no more than of indoor fan rotating speed, when being greater than Temp2, the highest FI2 that is no more than of indoor fan rotating speed, when being greater than Temp3, indoor fan rotating speed sets work by user; Upon a drop in temperature, when being greater than Temp2, indoor fan rotating speed sets work by user, when being greater than Temp1, the highest FI2 that is no more than of indoor fan rotating speed, when being greater than Temp0, the highest FI1 that is no more than of indoor fan rotating speed, when being less than or equal to Temp0, indoor fan rotating speed is FI0.
Shown in Fig. 3, be the workflow diagram of overall control method, after start, user sets mode of operation, judges whether it is air supply pattern.
A (in Fig. 1 A place): if the result judged is as being air supply pattern, supply relay outside disconnection chamber, and then judge whether the mark FLAG1 that outdoor supply relay closed is 1;
A: if the result judged is FLAG1 is 1, outdoor supply relay disconnects timing to start, then judges that supply relay disconnects timing and whether arrives for M minute;
If the result a) judged is as being arrive for M minute, supply relay is set and disconnects timing and within M minute, whether arrive and indicate that FLAG2 is 1, and resetting FLAG1;
If b) judge result be less than for M minute, arrange supply relay disconnect timing within M minute, whether arrive indicate FLAG2 be 0;
B: if judge that the mark FLAG1 that outdoor supply relay closed is 0, then arrange supply relay disconnect timing within M minute, whether arrive indicate FLAG2 be 1;
B: if it is no for judging whether to be the result of air supply pattern, judge that supply relay disconnects timing and within M minute, whether arrived whether mark FLAG2 is 1 again, if the result judged is no, then return and judge again, if the result judged is yes, then outdoor supply relay is closed, and set closed mark FLAG1 as 1;
Outdoor supply relay, once disconnect, just need again to open for interval M minute, being to prevent frequent adhesive, damaging outdoor supply relay to the big current of the smothing filtering capacitor charging of off-premises station;
Outdoor EEPROM order is read in indoor transmission, and then whether judge to read outdoor EEPROM successful,
A1: if the result judged is no, read unsuccessful, then enter communication lost contact mode of operation;
B1: if the result judged is yes, reads successfully, then enter normal mode of operation, then continues to judge whether indoor and outdoor communication exists fault, if the result judged is yes, then also enters communication lost contact mode of operation; Otherwise in running, continuous image data, judges whether to there is fault?
A1: if the result judged is as existing fault, then fault is assessed, whether failure judgement is serious; If it is serious that the result judged is fault, then shut down, report fault; Otherwise be that fault is not serious, work on, display board display failure code, prompting user reports for repairment;
B1: if the result judging whether to exist fault is no, namely there is not fault, then work on.
Shown in Fig. 4, it is the workflow diagram of indoor set during lost contact.In communication lost contact situation, indoor set display screen display lost contact code, prompting user reports for repairment, and then judge whether to arrive design temperature, if the result judged is yes, then supply relay outside disconnection chamber, otherwise, judge whether it is heating mode again, if the result judged is no, then fan is by the work of user's set position, if the result judged is yes, then enter cold wind and prevent duty, judge that indoor heat exchanger temperature Rt is in rising?
A2: if the result judged is yes, then judge that indoor heat exchanger temperature Rt is greater than Temp3? if the result judged is yes, is then fan by the work of user's set position, otherwise judges that indoor heat exchanger temperature Rt is greater than Temp2 again?
If the result judged is yes, arrange that fan speed is the highest can only reach FI2 shelves, otherwise judge that indoor heat exchanger temperature Rt is greater than Temp1 again?
If the result judged is yes, arrange that fan speed is the highest can only reach FI1 shelves, otherwise to arrange fan speed be FI0 shelves.
B2: if judge that the result that indoor heat exchanger temperature Rt is rising is no, do you then judge again to judge that indoor heat exchanger temperature Rt is greater than Temp2 again? if the result judged is yes, then is fan by the work of user's set position, otherwise judges that indoor heat exchanger temperature Rt is greater than Temp1 again?
If the result judged is yes, arrange that fan speed is the highest can only reach FI2 shelves, otherwise judge that indoor heat exchanger temperature Rt is greater than Temp0 again?
If the result judged is yes, arrange that fan speed is the highest can only reach FI1 shelves, otherwise to arrange fan speed be FI0 shelves.
Shown in Fig. 5, it is the workflow diagram of off-premises station during lost contact.After entering lost contact mode of operation, heat time timer M1 to reset, and then do you judge that outdoor environment temperature Ro is greater than Temp5? if the result judged is yes, then enter refrigeration modes work, heat time timer M1 to reset, otherwise, do you judge that outdoor environment temperature Ro is less than Temp4 again? if the result judged is no, then return and continue to judge, if the result judged is yes, then heat time timer M1 timing to start, do you judge that the difference Ro-Re of outdoor environment temperature Ro and outdoor heat exchange actuator temperature Re is less than Temp6 again? air-conditioning work pattern when Fig. 6 is the off-premises station communication lost contact work of control method of the present invention and vs. temperature figure.The relation of Temp4, Temp5 is shown in Fig. 6, and Temp6 is exactly a default temperature value, and Ro-Re is a temperature gap.
If the result judged is no, then work on, otherwise time is up to judge to heat time timer M1 again?
If the result judged is no, then work on, otherwise, enter defrosting, after defrosting work completes, exit defrosting, work on.
In concrete enforcement, more gear outdoor motor rotating speed can also be set again, according to variations in temperature, when coil temperature is low, reduces rotating speed, even turn off indoor fan, prevent under the heating mode of indoor and outdoor lost contact situation, cold wind blowout during off-premises station defrosting, causes the discomfort of human body.When coil temperature rises, promote rotating speed, reach the object promoting heating capacity.
As mentioned 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 recorded in this description and accompanying drawing, and one of ordinary skill in the art can propose various deformation example in technological thought protection domain of the present invention.
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; Whether the mode of operation set by air-conditioner judges 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: determine that the mode of operation of air-conditioning is after air supply pattern, supply relay outside disconnection chamber, and then judge whether the mark FLAG1 that outdoor supply relay closed is 1; If FLAG1 is 1, then enter step 3; If FLAG1 is not 1 but 0, then enter step 4;
Step 3: judge that FLAG1 is after 1, outdoor supply relay disconnects timing to start, then judges that supply relay disconnects timing and whether arrives for M minute; If M minute arrives, supply relay is set and disconnects timing and within M minute, whether arrive and indicate that FLAG2 is 1, and reset FLAG1; If M minute is also less than, arrange supply relay disconnect timing within M minute, whether arrive indicate FLAG2 be 0;
Step 4: if judge that the mark FLAG1 that outdoor supply relay closed is 0, then arrange supply relay disconnect timing within M minute, whether arrive indicate FLAG2 be 1;
Step 5: determine that the mode of operation of air-conditioning is not after air supply pattern, then judge that supply relay disconnects timing and within M minute, whether arrived whether mark FLAG2 is 1; Whether if FLAG2 is not 1, then returning judgement symbol FLAG2 is 1 again; If FLAG2 is 1, then outdoor supply relay is closed, and set closed mark FLAG1 as 1; Indoor set sends the order of reading outdoor EEPROM, and then whether judge to read outdoor EEPROM successful; If it is unsuccessful to read outdoor EEPROM, then enter step 6; If read 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 mode of operation comprises and is divided into communication lost contact indoor set mode of operation and the lost contact off-premises station mode of operation that communicates;
Step 7: read outdoor EEPROM success, air-conditioner enters normal mode of operation; Then continue to judge whether off-premises station exists fault with inside and outside communication of indoor set; If inside and outside communication exists fault, then air-conditioner also enters the communication lost contact mode of operation described in step 6; If there is not fault in inside and outside communication, then air-conditioner continue run and in running, the data such as continuous collecting temperature, electric current, power, by set judgment basis, judge 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, analysis and assessment are carried out to fault, judges that whether described fault is serious; If judge that described fault is serious, then shut down, report fault; If judge that described fault is not serious, then work on, display board display failure 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 communication lost contact situation, indoor set display screen display lost contact code, prompting user reports for repairment, and then judges whether indoor temperature arrives design temperature; If indoor temperature arrives design temperature, then supply relay outside disconnection chamber; If indoor temperature does not arrive design temperature, then proceed to step 102;
Step 102: when indoor temperature does not arrive design temperature, more whether the mode of operation judging air-conditioner is heating mode; If the mode of operation of air-conditioner is not heating mode, then indoor fan is by the work of user's set position; If the mode of operation of air-conditioner is heating mode, then enters cold wind and prevent duty, and judge that whether indoor heat exchanger temperature Rt is in rising; If indoor heat exchanger temperature Rt in rising, then enters step 103; Otherwise enter step 104;
Step 103: if indoor heat exchanger temperature Rt is in rising, then judge whether indoor heat exchanger temperature Rt is greater than Temp3;
If indoor heat exchanger temperature Rt is greater than Temp3, then indoor fan is by the work of user's set position; If indoor heat exchanger temperature Rt is not more than Temp3, then judge whether indoor heat exchanger temperature Rt is greater than Temp2 again;
If indoor heat exchanger temperature Rt is greater than Temp2, then indoor fan speed is the highest can only reach FI2 shelves; If indoor heat exchanger temperature Rt is not more than Temp2, then judge whether indoor heat exchanger temperature Rt is greater than Temp1;
If indoor heat exchanger temperature Rt is greater than Temp1, then indoor fan speed is the highest can only reach FI1 shelves; If indoor heat exchanger 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 in rising, then judge whether indoor heat exchanger temperature Rt is greater than Temp2;
If indoor heat exchanger temperature Rt is greater than Temp2, then indoor fan is by the work of user's set position; If indoor heat exchanger temperature Rt is not more than Temp2, then judge whether indoor heat exchanger temperature Rt is greater than Temp1;
If indoor heat exchanger temperature Rt is greater than Temp1, then indoor fan speed is the highest can only reach FI2 shelves; If indoor heat exchanger temperature Rt is not more than Temp1, then judge whether indoor heat exchanger temperature Rt is greater than Temp0; If indoor heat exchanger temperature Rt is greater than Temp0, then indoor fan speed is the highest can only 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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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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