CN102705954A - Internet-based automatic fault repair and detection method of frequency-conversion air conditioner - Google Patents

Internet-based automatic fault repair and detection method of frequency-conversion air conditioner Download PDF

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Publication number
CN102705954A
CN102705954A CN2011102128858A CN201110212885A CN102705954A CN 102705954 A CN102705954 A CN 102705954A CN 2011102128858 A CN2011102128858 A CN 2011102128858A CN 201110212885 A CN201110212885 A CN 201110212885A CN 102705954 A CN102705954 A CN 102705954A
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next step
temperature
judge
fault
unusual
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CN2011102128858A
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CN102705954B (en
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郑坚江
程德威
刘志高
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Ningbo Aux Electric Co Ltd
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Ningbo Aux Electric Co Ltd
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Abstract

The invention relates to the field of air conditioner control, in particular to an internet-based automatic fault repair and detection method of a frequency-conversion air conditioner. The internet-based automatic fault repair and detection method of the frequency-conversion air conditioner mainly comprises an automatic fault detection step and an automatic fault repair step. Thus, the problems of the frequency-conversion air conditioner can be fast and accurately reflected, one-time solving of multiple problems is achieved, and repair efficiency is increased.

Description

Convertible frequency air-conditioner fault based on the internet is reported for repairment and detection method automatically
Technical field
The present invention relates to air-conditioning control field, relate in particular to a kind of convertible frequency air-conditioner fault and report for repairment automatically and detection method based on the internet.
Background technology
Current air-conditioning system breaks down; It generally is to report for repairment through customer service call that the client reports for repairment; This is a kind of very passive maintenance mode, and the just current ruuning situation of fault machine of customers' responsiveness, does not for example move or situation such as poor effect; So possibly bring the uncertain of abort situation and type to maintenance, cause the low of maintenance efficiency or to client's negative impression of maintenance trouble repeatedly.
Summary of the invention
Technical problem to be solved by this invention is: a kind of problem that is used for reflecting fast and accurately the air-conditioner existence is provided, reaches a plurality of problems and once solve, improve the convertible frequency air-conditioner fault based on the internet of maintenance efficiency and report for repairment automatically and detection method.
The technical scheme that the present invention adopted is: provide a kind of convertible frequency air-conditioner fault based on the internet to report for repairment automatically and detection method, it is characterized in that it may further comprise the steps:
(1) waits for reception self check order,, get into next step then, then do not keep original state as if receiving if receive the failure logging before the then first zero clearing of self check order;
(2) judge whether air-conditioning exists fault,, then continue to wait for the self check order if not if then get into next step;
(3) carrying out fault through the internet reports for repairment;
(4) judge whether receive feedback signal in A minute, if then buzzing and show that fault reports success for repairment, shutdown is withdrawed from then, then gets into next step if not;
(5) judge whether network is intact, if then get into next step, display network fault then if not, shutdown is withdrawed from then;
(6) report for repairment again, then show and report failure for repairment that shutdown is withdrawed from then if report for repairment for B time continuously unusually, if B time with interior report for repairment success then buzzing and demonstration fault report success for repairment, shut down then and withdraw from.
Be meant 2-4 minute in described A minute, and be meant 4-6 time for described B time.
A kind of convertible frequency air-conditioner fault based on the internet reports with the step (2) of detection method is described to judge whether air-conditioning exists fault may further comprise the steps automatically for repairment:
(1) judges whether inside and outside machine communication exists fault, at first logical powering on, continuous communication 200 frames of indoor and outdoor then; If the communication success rate less than 30%, then is judged to be communication failure, need not carry out follow-up self check flow process; Directly carry out fault and send,, then get into next step if communication is not broken down;
(2) judge whether fault of driven compressor; The operation of at first starting shooting; If driving abnormality protection or IPM protection appear in compressor initial launch continuously in 3 minutes, then be judged to be driven compressor class fault, need not carry out follow-up self check flow process; Directly carry out fault and send, if compressor driving abnormality protection or IPM protection do not occur then gets into next step;
(3) judge whether curtage unusual, if one of following situation occurs, a, when compressor starts detected electric current greater than 3 peaces; B, compressor start when running frequency surpasses 40 hertz after 10 minutes detected electric current less than 1 peace and continue 1 minute, c, continuously occur 3 primary current mulual inductor malfunction d, in the controller galvanization, detect input voltage less than 150 volts or be higher than 270 volts of continuous retention times and exceed 1 minute; It is unusual to judge that then curtage occurs; Change coolant quantity over to and judge, then write down current malfunction, get into next step then; If it is unusual that curtage does not occur, then directly get into next step;
(4) judge whether the compressor top switch is unusual, if one of following situation occurs, a, when compressor operation just or running time during less than 10 minutes; The compressor top switch protection occurs, b, when compressor operating time exceeds 20 minutes compressor top switch protection and delivery temperature occur less than 85 ℃ or greater than 110 ℃; Judge that then the compressor top switch is unusual; Change coolant quantity over to and judge, then charge to current malfunction, get into next step then; If it is unusual that the compressor top switch does not occur, then directly get into next step;
(5) judge whether sensor is unusual; If one of following situation occurs, the temperature of a, exhaust gas temperature sensor is higher than 20 ℃ of the temperature of temperature or the outdoor coil pipe used temperature sensor of outdoor environment temperature sensor, and the temperature of b, exhaust gas temperature sensor is lower than 5 ℃ of the temperature of temperature or the outdoor coil pipe used temperature sensor of outdoor environment temperature sensor; The temperature of c, outdoor coil pipe used temperature sensor be higher than the outdoor environment temperature sensor 10 ℃ of temperature or more than; Perhaps be lower than 3 ℃ of the temperature of outdoor environment temperature sensor, the temperature of d, outdoor coil pipe used temperature sensor is higher than 2 ℃ of the temperature of exhaust gas temperature sensor, perhaps is lower than 5 ℃ of the temperature of exhaust gas temperature sensor; The temperature of e, outdoor environment temperature sensor is higher than 5 ℃ of the temperature of outdoor coil pipe used temperature sensor; The temperature deviation of f, outdoor environment temperature sensor and exhaust gas temperature sensor exceeds ± and 10 ℃, the temperature deviation of g, indoor environment temperature sensor and indoor coil pipe sensor exceeds ± and 5 ℃, then determine sensor occurs unusual; Prior fault worked as in record; Get into next step then, unusual if sensor does not occur, then directly get into next step;
(6) judge in the refrigeration mode do not have unusually, work as prior fault, get into next step then, if refrigeration mode then directly gets into next step not unusually if refrigeration mode has then to write down unusually;
(7) judge whether heating mode has unusually, if heating mode has unusually, then prior fault worked as in record, gets into next step then, if heating mode does not have fault, then directly gets into next step;
(8) carry out coolant quantity and judge,, then directly get into next step, judge that then judge coolant quantity, prior fault worked as in record, gets into next step then if preceding step (3) is carried out coolant quantity with (4) if judge in the step (3) of front and (4);
Whether have fault, send if there is fault then to carry out fault, if there is not fault then to continue to wait for self-test signal according to the oneself of front if (9) detecting judgement.
Judge whether air-conditioning exists that the step of fault (6) is described to be judged whether refrigeration mode has unusually and may further comprise the steps:
(1) running refrigerating pattern;
(2) judge whether reached the antifreeze temperature spot of inner disc in 3 minutes,, then jump to step (5) if not if then get into next step;
(3) judge whether indoor environment temperature is lower than 10 ℃,, judge then that if not the inner blower running is unusual if then get into next step;
(4) stop outer blower fan running, judge then whether 5 minutes internal and external disk temperature arrive antioverloading protection temperature spot, no matter whether all jump to step (8);
(5) judge whether reached outdoor coil pipe used antioverloading protection temperature spot in 3 minutes,, then jump to step (7) if not if then get into next step;
(6) judge whether outdoor environment temperature is higher than 49 ℃,, judge then that if not outer blower fan running is unusual if then get into next step;
(7) stop the inner blower running, judge then whether the inner disc temperature arrives the anti-frost protection temperature spot in 5 minutes,, then get into next step if not if then turn back to step (4);
(8) withdraw from refrigerating state, directly carry out cross valve and switch, get into and heat state model.
Judge whether air-conditioning exists that the step of fault (7) is described to be judged whether heating mode has unusually and may further comprise the steps:
(1) operation heating mode;
(2) judge whether the inner disc temperature arrives antioverloading protection temperature spot in 3 minutes, if then get into next step, then jumps to step (5) if not;
(3) judge whether indoor environment temperature is higher than 30 ℃,, judge then that if not the inner blower running is unusual if then get into next step;
(4) stop the running of outer blower fan, judge 5 minutes in, coil temperature outward and whether descend and exceed 6 ℃, no matter whether all jump to step (9);
(5) judge that whether 3 minutes internal and external disk temperature descend above 10 ℃, if then get into next step, then jump to step (7) if not;
(6) judge whether outdoor environment temperature is lower than-5 ℃,, judge then that if not outer blower fan running is unusual if then get into next step;
(7) stop the inner blower running, judge then whether the inner disc temperature arrives antioverloading protection temperature spot in 5 minutes, if then turn back to step (4), then gets into next step if not;
(8) judge whether the inner disc temperature descends,, then get into next step if not if judge that then cross valve control is unusual or cross valve is unusual;
(9) getting into coolant quantity judges.
Judge whether air-conditioning exists the step of fault (3), (4) to judge with (8) described coolant quantity and may further comprise the steps:
(1) heating mode operation, inner blower shuts down;
(2) judge 3 minutes in, whether the inner disc temperature rises less than 10 ℃, if then get into next step, then jumps to step (4) if not;
(3) judge whether temperature is rising, if then get into next step, it is unusual to judge then that if not cross valve switches;
(4) switch to refrigeration mode, it is out of service that inner blower keeps, and judges then whether the inner disc temperature descends less than 10 ℃ in 3 minutes, if then get into next step, it is normal then to be judged to be coolant quantity if not;
(5) judge that whether temperature is to descend, if the system that then is judged to be lacks refrigerant, it is unusual to be judged to be cross valve if not.
A kind of convertible frequency air-conditioner fault based on the internet is reported for repairment automatically with the step (3) of detection method is described and is carried out fault through the internet and report for repairment and be meant and on the control CPU of indoor set, be provided with a network communication connect chip; Said network communication connect chip can send to the appointment receiving terminal to failure code and user profile through the internet; Receiving terminal receives and handles then, and said receiving terminal is accepted to handle and may further comprise the steps:
(1) wait receives data, if receive that data then get into next step, then continues to wait for if receive;
(2) carry out data validation and registration;
(3) send failure code and user profile to the client maintenace point;
(4) return wait and receive data.
A kind of convertible frequency air-conditioner fault of the present invention based on the internet report for repairment automatically with detection method compared with prior art, have following significant advantage and beneficial effect:
Mode through a series of softwares detects the fault type that air-conditioning system exists; Can know quickly and accurately there is the problem of which kind of type in which position of air-conditioning system, carries out the receiving terminal that sends to appointment of user profile and failure code then through Internet, the receiving terminal of appointment just can be very fast is reacted to maintenance department; No longer need client oneself to report for repairment through customer service call; Brought convenience to the client, and known concrete location of fault of air-conditioning and type during staff's on-site maintenance, so can make adequate preparation; Improve the efficient of maintenance and can avoid the secondary maintenance as far as possible, the impression that stays to the client.
Description of drawings
The flow chart that Fig. 1 reports for repairment automatically and detects for air-conditioning system.
Fig. 2 is that the fault transtation mission circuit is connected block diagram with communication modes.
Fig. 3 is the flow chart of receiving terminal handling failure signal.
Fig. 4 is a whether fault verification flow chart of air-conditioning system.
Fig. 5 is a whether abnormality juding flow chart of air-conditioning system refrigeration mode.
Fig. 6 is a whether abnormality juding flow chart of air-conditioning system heating mode.
Fig. 7 is an air-conditioning system coolant quantity decision flowchart.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is explained further details:
Fig. 1 is the flow chart that air-conditioning system is reported for repairment automatically and detected, and is as shown in the figure, mainly may further comprise the steps:
(1) user feels that in use air-conditioning can not move or operational effect is bad; Self-test signal is sent in the operation that then can use a teleswitch; If the user does not have self check; Then air-conditioning will keep original state, and the failure logging if the user has carried out self check before the zero clearing gets into next step then;
(2) judge whether air-conditioning exists fault,,, continue to wait for self-test signal if there is not fault if having fault then get into next step;
(3) send to the receiving terminal of appointment to the failure code that exists with user profile through the internet, carry out fault and report for repairment;
(4) judge whether have feedback signal to return in 3 minutes, if having feedback signal to return then represent to report for repairment success, shutdown is withdrawed from buzzing and show that fault reports success for repairment then, if do not receive feedback signal, then gets into next step;
Described 3 minutes is most preferred embodiment, can be the Any Digit except that 3 minutes in 2-4 minute (comprising integer and decimal) here;
(5) judge whether network breaks down, the then display network fault if network breaks down withdraws from shutdown then, if network does not break down, then gets into next step;
(6) report for repairment again,, then show and report failure for repairment, withdraw from shutdown then if continuous report for repairment for 5 times all do not have feedback signal to return, if report 5 times again for repairment with the interior signal that feeds back of having received, then buzzing and show that fault reports success for repairment, shutdown is withdrawed from then.
Described 5 times is most preferred embodiment, can be 4 times or 6 times here.
Fig. 2 is that the fault transtation mission circuit is connected block diagram with communication modes; As shown in the figure; It is to realize through the network communication connect chip on the indoor set CPU that fault is reported for repairment, and this piece network service connect chip can send to detected failure code and the user profile that exists originally the receiving terminal of appointment through the internet.
Fig. 3 is the flow chart of receiving terminal handling failure signal, and is as shown in the figure, and receiving terminal handling failure signal may further comprise the steps:
(1) wait for to receive data, if when receiving the fault-signal from the network communication connect chip then get into next step, if not then continue to wait for;
(2) confirm failure code that receives and user profile and registration;
(3) send to the client maintenace point to failure code and user profile;
(4) return continuation and wait for the reception data.
Fig. 4 is a whether fault verification flow chart of air-conditioning system, is whether the air-conditioning of judging during Fig. 1 air-conditioning system is reported for repairment automatically and detected exists the detailed description of faulty component, and it may further comprise the steps:
(1) judges whether the communication between the inside and outside machine is normal, at first powers on that continuous communication 200 frames of indoor and outdoor machine if the communication success rate is lower than 30%, are then declared then to air-conditioning is logical; Judge that the communication between the indoor and outdoor machine has produced fault, because communication fault all, detection afterwards is also nonsensical; So no longer need follow-up fault detect; Directly carry out failure code and send, if the communication success rate greater than 30% then communication failure does not appear in judgement, gets into next step;
Described 200 to shake be most preferred embodiment; Also can be the Any Digit (comprising integer and decimal) except that 200 shake in 150-250 shakes here; Described 30% also is most preferred embodiment, can be the Any Digit except that 30% among the 25%-35% (comprising integer and decimal) here;
(2) judge whether driven compressor breaks down, at first start moves air-conditioning, if driving abnormality protection or IPM protection appear in compressor initial launch continuously in 3 minutes; Then can be judged to be driven compressor class fault; Compressor all can not start like this, and follow-up detection is also just nonsensical, so no longer need follow-up fault detect; Directly carrying out failure code sends; If driving abnormality protection or IPM protection do not appear in compressor, explain that then driven compressor is normal, gets into next step;
Described 3 minutes is most preferred embodiment, also can be the Any Digit except that 3 minutes in 2-4 minute (comprising integer and decimal) here;
(3) judge whether curtage occurs unusually, general curtage has following situation unusually, be respectively a, detected electric current I when compressor does not start 3A; < the 1A and will continue 1 minute of detected electric current I when running frequency surpasses 40HZ after the b, compressor start 10 minutes; C, 3 primary current mulual inductor malfunctions occur continuously, in d, the controller galvanization, detected input voltage is less than 150V or greater than 270V and the retention time exceeds 1 minute continuously; What these had unusually possibly be that the photostat fault causes; What have possibly be circuit abnormality or refrigerant is impure causes, so will carry out coolant quantity again when unusual and judge that prior fault worked as in record again detecting curtage; Get into next step then, if do not detect curtage unusually then directly get into next step;
I described in the situation a>3A is most preferred embodiment; Can be the Any Digit (comprising integer and decimal) except that 3A in the 2.5A-3.5A here, 10 minutes described in the situation b be most preferred embodiment, can be the Any Digit except that 10 minutes in 8-12 minute (comprising integer and decimal) here; Described 40HZ also is a most preferred embodiment; Can be the Any Digit (comprising integer and decimal) except that 40HZ in the 35-45HZ here, < 1A be a most preferred embodiment to described electric current I, can be the Any Digit (comprising integer and decimal) except that 1A in the 0.8A-1.2A here; Described lasting 1 minute also is most preferred embodiment; Also can be the Any Digit of removing in 0.8-1.2 minute beyond 1 minute (comprising integer and decimal) here, the continuous appearance described in the situation c makes most preferred embodiment 3 times, can be 2 times or 4 times here; 150V described in the situation d is a most preferred embodiment; Can be the Any Digit (comprising integer and decimal) except that 150V in the 130-170V here, described 270V also be a most preferred embodiment, can be the Any Digit (comprising integer and decimal) except that 270V in the 250-290V here; Said to exceed 1 minute be most preferred embodiment, can be the Any Digit except that 1 minute in 0.8-1.2 minute (comprising integer and decimal) here;
(4) judge whether the compressor top switch is unusual, general top switch has following situation unusually, if a compressor off-duty or running time were less than 10 minutes; The compressor top switch protection occurs,, the compressor top switch protection occurs if the b compressor operating time exceeds 20 minutes; And delivery temperature is less than 85 ℃ or greater than 110 ℃; Might to be that compressor rotary speed is too high unusually cause for these, also might be that coolant quantity causes very little, so will carry out the refrigerant judgement after unusual having detected the compressor top switch; Prior fault worked as in record again; Get into next step then,, then directly get into next step if it is not unusual not detect the compressor top switch;
Situation a was a most preferred embodiment in described 10 minutes; Can be the Any Digit except that 10 minutes in 8-12 minute (comprising integer and decimal) here; Situation b is described, and to exceed 20 minutes be most preferred embodiment; Can be the Any Digit except that 20 minutes in 18-22 minute (comprising integer and decimal) here, described 85 ℃ be most preferred embodiment, can be the Any Digit except that 85 ℃ in 80-90 ℃ (comprising integer and decimal) here; Described 110 ℃ is most preferred embodiment, can be the Any Digit except that 110 ℃ in 105-115 ℃ (comprising integer and decimal) here;
(5) judge whether sensor is unusual; General sensor abnormality has following situation: a, exhaust gas temperature sensor temperature to be higher than 20 ℃ of outdoor environment temperature sensor temperature or outdoor coil pipe used sensor temperatures; B, exhaust gas temperature sensor temperature are lower than 5 ℃ of outdoor environment temperature sensor temperatures; C, outdoor coil pipe used sensor temperature are higher than 10 ℃ of outdoor environment temperature sensor temperatures or are lower than 3 ℃ of outdoor environment sensor temperatures; D, outdoor coil pipe used TEMP actuator temperature are higher than 2 ℃ of exhaust gas temperature sensor temperature or are lower than 5 ℃ of exhaust gas temperature sensor temperature, and e, outdoor environment temperature sensor temperature are higher than 5 ℃ of outdoor coil pipe used TEMP actuator temperatures
F, outdoor environment temperature sensor and exhaust gas temperature sensor temperature deviation exceed ± and 10 ℃; G, indoor environment temperature sensor and indoor coil pipe sensor temperature deviation exceed ± and 5 ℃; When above-mentioned situation occurring, be judged to be sensor abnormality; If sensor abnormality then writes down and works as prior fault, get into next step then, if sensor does not have unusually then directly gets into next step;
Situation a is a most preferred embodiment for described 20 ℃; Can be the Any Digit (comprising integer and decimal) except that 20 ℃ in the 18-22 here, situation b be a most preferred embodiment for described 5 ℃, can be the Any Digit except that 5 ℃ in 3-7 ℃ (comprising integer and decimal) here; Situation c is a most preferred embodiment for described 10 ℃; Can be the Any Digit except that 10 ℃ in 8-12 ℃ (comprising integer and decimal) here, described 3 ℃ be most preferred embodiment, can be the Any Digit except that 3 ℃ in 1-5 ℃ (comprising integer and decimal) here; Situation d is a most preferred embodiment for described 2 ℃; Can be the Any Digit except that 2 ℃ in 1-3 ℃ (comprising integer and decimal) here, described 5 ℃ be most preferred embodiment, can be the Any Digit except that 5 ℃ in 3-7 ℃ (comprising integer and decimal) here; Situation e is a most preferred embodiment for described 5 ℃; Can be the Any Digit except that 5 ℃ in 3-7 ℃ (comprising integer and decimal) here, situation f be a most preferred embodiment for described 10 ℃, can be the Any Digit except that 10 ℃ in 8-12 ℃ (comprising integer and decimal) here; Situation g is a most preferred embodiment for described 5 ℃, and it can be the Any Digit except that 5 ℃ in 3-7 ℃ (comprising integer and decimal);
(6) judge whether refrigeration mode has unusually, if refrigeration mode has unusually, then prior fault worked as in record, gets into next step then, if refrigeration mode does not have unusually then directly gets into next step;
(7) judge whether heating mode has unusually, if heating mode has unusually, then prior fault worked as in record, gets into next step then, if heating mode does not have fault, then directly gets into next step;
(8) carry out coolant quantity and judge,, then no longer need to judge again if judge in the step of front (3) and (4); Directly get into next step; If preceding step (3) does not all have to occur unusually with (4), do not carry out coolant quantity and judge, then judge coolant quantity; Prior fault worked as in record, gets into next step then;
Whether have fault, send if there is fault then to carry out fault, if there is not fault then to continue to wait for self-test signal according to the oneself of front if (9) detecting judgement.
Fig. 5 is a whether abnormality juding flow chart of air-conditioning system refrigeration mode, i.e. refrigeration mode abnormality juding in Fig. 4 step (6), and it may further comprise the steps:
(1) at first opens the operation of air conditioner refrigeration mode;
(2) commercially in judging 3 minutes reached the antifreeze temperature spot of inner disc, if reached then get into next step, if do not reach then jump to step (5);
Described 3 minutes is most preferred embodiment, can be the Any Digit except that 3 minutes in 2-4 minute (comprising integer and decimal) here;
(3) judge whether indoor environment is lower than 10 ℃,, represent that then it is normal so soon that temperature descends, get into next step if be lower than 10 ℃, if otherwise judge that the inner blower running is unusual;
Described 10 ℃ is most preferred embodiment, can be the Any Digit except that 10 ℃ in 8-12 ℃ (comprising integer and decimal) here;
(4) stop outer blower fan running, judge then whether 5 minutes internal and external disk temperature arrive antioverloading protection temperature spot, if represent that then inner blower works well, jump to step (8) then, if otherwise possibly be to lack refrigerant, also jump to step (8);
Described 5 minutes is most preferred embodiment, can be the Any Digit except that 5 minutes in 3-7 minute (comprising integer and decimal) here;
(5) judge whether reached outer dish antioverloading temperature spot in 3 minutes, if reached then get into next step, if not then cry and forward step (7) to;
Described 3 minutes is most preferred embodiment, can be the Any Digit except that 3 minutes in 2-4 minute (comprising integer and decimal) here;
(6) judge whether outdoor environment temperature is higher than 49 ℃,, get into next step if represent that then it is normal so soon that temperature rises, if otherwise be judged to be outer blower fan running unusually;
Described 49 ℃ is most preferred embodiment, can be the Any Digit except that 49 ℃ in 45-53 ℃ (comprising integer and decimal) here;
(7) stop the inner blower running, judge then whether the inner disc temperature has reached the anti-frost protection temperature spot in 5 minutes,, return step (4) if then the outer blower fan operation of expression is normal, if otherwise possibly be to lack refrigerant, next step got into then;
Described 5 minutes is most preferred embodiment, can be the Any Digit except that 5 minutes in 3-7 minute (comprising integer and decimal) here;
(8) withdraw from refrigerating state, directly carry out cross valve and switch, get into and heat state model.
Fig. 6 is a whether abnormality juding flow chart of air-conditioning system heating mode, i.e. heating mode abnormality juding in Fig. 4 step (7), and it may further comprise the steps:
(1) at first opens the operation of air conditioner heating mode;
(2) judge whether the inner disc temperature arrives antioverloading protection temperature spot in 3 minutes, if then get into next step, then jumps to step (5) if not;
Described 3 minutes is most preferred embodiment, can be the Any Digit except that 3 minutes in 2-4 minute (comprising integer and decimal) here;
(3) judge whether indoor environment temperature is higher than 30 ℃,, get into next step, judge then that if not the inner blower running is unusual if represent that then height is normal so soon on the temperature;
Described 30 ℃ is most preferred embodiment, can be the Any Digit except that 30 ℃ in 28-32 ℃ (comprising integer and decimal) here;
(4) stop the running of outer blower fan, judge 5 minutes in, coil temperature outward and whether descend and exceed 6 ℃, if represent that then inner blower works well, jump to step (9) then, then possibly be to lack refrigerant if not, also directly jump to step (9);
Described 5 minutes is most preferred embodiment; Can be the Any Digit except that 5 minutes in 3-7 minute (comprising integer and decimal) here; Described 6 ℃ is most preferred embodiment, can be the Any Digit except that 6 ℃ in 4-8 ℃ (comprising integer and decimal) here;
(5) judge that whether 3 minutes internal and external disk temperature descend above 10 ℃, if then get into next step, then jump to step (7) if not;
Described 3 minutes is most preferred embodiment; Can be the Any Digit except that 3 minutes in 2-4 minute (comprising integer and decimal) here; Described 10 ℃ is most preferred embodiment, can be the Any Digit except that 10 minutes in 8-12 ℃ (comprising integer and decimal) here;
(6) judge whether outdoor environment temperature is lower than-5 ℃,, get into next step, judge then that if not outer blower fan running is unusual if then the decline of the outer dish of expression temperature is normal so soon;
Described-5 ℃ is most preferred embodiment, can be the Any Digit except that-5 ℃ (comprising integer and decimal) in-3 to-7 ℃ here;
(7) stop the inner blower running, judge then whether the inner disc temperature arrives antioverloading protection temperature spot in 5 minutes, if then the outer blower fan of expression works well, turns back to step (4), then gets into next step if not;
Said 5 minutes is most preferred embodiment, can be the Any Digit except that 5 minutes in 3-7 minute (comprising integer and decimal) here;
(8) judge whether the inner disc temperature descends,, then get into next step if not if judge that then cross valve control is unusual or cross valve is unusual;
(9) getting into coolant quantity judges.
Fig. 7 is an air-conditioning system coolant quantity decision flowchart, and promptly Fig. 4 step (3), (4) judge that with the coolant quantity described in (8) it may further comprise the steps:
(1) at first lets the operation of air conditioner heating mode, and let inner blower shut down;
(2) judge 3 minutes in, whether the inner disc temperature rises less than 10 ℃, if then get into next step, then jumps to step (4) if not;
Said 3 minutes is most preferred embodiment; Can be the Any Digit except that 3 minutes in 2-4 minute (comprising integer and decimal) here; Said 10 ℃ is most preferred embodiment, can be the Any Digit except that 10 ℃ in 8-12 ℃ (comprising integer and decimal) here;
(3) judge whether temperature is rising, if then get into next step, it is unusual to judge then that if not cross valve switches;
(4) switch to refrigeration mode, it is out of service that inner blower keeps, and judges then whether the inner disc temperature descends less than 10 ℃ in 3 minutes, if then get into next step, it is normal then to be judged to be coolant quantity if not;
Said 3 minutes is most preferred embodiment; Can be the Any Digit except that 3 minutes in 2-4 minute (comprising integer and decimal) here; Said 10 ℃ is most preferred embodiment, can be the Any Digit except that 10 ℃ in 8-12 ℃ (comprising integer and decimal) here;
(5) judge that whether temperature is to descend, if the system that then is judged to be lacks refrigerant, it is unusual to be judged to be cross valve if not.

Claims (8)

1. the convertible frequency air-conditioner fault based on the internet is reported for repairment and detection method automatically, it is characterized in that it may further comprise the steps:
(1) waits for reception self check order,, get into next step then, then do not keep original state as if receiving if receive the failure logging before the then first zero clearing of self check order;
(2) judge whether air-conditioning exists fault,, then continue to wait for the self check order if not if then get into next step;
(3) carrying out fault through the internet reports for repairment;
(4) judge whether receive feedback signal in A minute, if then buzzing and show that fault reports success for repairment, shutdown is withdrawed from then, then gets into next step if not;
(5) judge whether network is intact, if then get into next step, display network fault then if not, shutdown is withdrawed from then;
(6) report for repairment again, then show and report failure for repairment that shutdown is withdrawed from then if report for repairment for B time continuously unusually, if B time with interior report for repairment success then buzzing and demonstration fault report success for repairment, shut down then and withdraw from.
2. a kind of convertible frequency air-conditioner fault based on the internet according to claim 1 is reported for repairment and detection method automatically, it is characterized in that: be meant 2-4 minute in described A minute, and be meant 4-6 time for described B time.
3. a kind of convertible frequency air-conditioner fault based on the internet according to claim 1 is reported for repairment and detection method automatically, it is characterized in that: step (2) is described judges whether air-conditioning exists fault may further comprise the steps:
(1) judges whether inside and outside machine communication exists fault, at first logical powering on, continuous communication 200 frames of indoor and outdoor then; If the communication success rate less than 30%, then is judged to be communication failure, need not carry out follow-up self check flow process; Directly carry out fault and send,, then get into next step if communication is not broken down;
(2) judge whether fault of driven compressor; The operation of at first starting shooting; If driving abnormality protection or IPM protection appear in compressor initial launch continuously in 3 minutes, then be judged to be driven compressor class fault, need not carry out follow-up self check flow process; Directly carry out fault and send, if compressor driving abnormality protection or IPM protection do not occur then gets into next step;
(3) judge whether curtage unusual, if one of following situation occurs, a, when compressor starts detected electric current greater than 3 peaces; B, compressor start when running frequency surpasses 40 hertz after 10 minutes detected electric current less than 1 peace and continue 1 minute, c, continuously occur 3 primary current mulual inductor malfunction d, in the controller galvanization, detect input voltage less than 150 volts or be higher than 270 volts of continuous retention times and exceed 1 minute; It is unusual to judge that then curtage occurs; Change coolant quantity over to and judge, then write down current malfunction, get into next step then; If it is unusual that curtage does not occur, then directly get into next step;
(4) judge whether the compressor top switch is unusual, if one of following situation occurs, a, when compressor operation just or running time during less than 10 minutes; The compressor top switch protection occurs, b, when compressor operating time exceeds 20 minutes compressor top switch protection and delivery temperature occur less than 85 ℃ or greater than 110 ℃; Judge that then the compressor top switch is unusual; Change coolant quantity over to and judge, then charge to current malfunction, get into next step then; If it is unusual that the compressor top switch does not occur, then directly get into next step;
(5) judge whether sensor is unusual; If one of following situation occurs, the temperature of a, exhaust gas temperature sensor is higher than 20 ℃ of the temperature of temperature or the outdoor coil pipe used temperature sensor of outdoor environment temperature sensor, and the temperature of b, exhaust gas temperature sensor is lower than 5 ℃ of the temperature of temperature or the outdoor coil pipe used temperature sensor of outdoor environment temperature sensor; The temperature of c, outdoor coil pipe used temperature sensor be higher than the outdoor environment temperature sensor 10 ℃ of temperature or more than; Perhaps be lower than 3 ℃ of the temperature of outdoor environment temperature sensor, the temperature of d, outdoor coil pipe used temperature sensor is higher than 2 ℃ of the temperature of exhaust gas temperature sensor, perhaps is lower than 5 ℃ of the temperature of exhaust gas temperature sensor; The temperature of e, outdoor environment temperature sensor is higher than 5 ℃ of the temperature of outdoor coil pipe used temperature sensor; The temperature deviation of f, outdoor environment temperature sensor and exhaust gas temperature sensor exceeds ± and 10 ℃, the temperature deviation of g, indoor environment temperature sensor and indoor coil pipe sensor exceeds ± and 5 ℃, then determine sensor occurs unusual; Prior fault worked as in record; Get into next step then, unusual if sensor does not occur, then directly get into next step;
(6) judge in the refrigeration mode do not have unusually, work as prior fault, get into next step then, if refrigeration mode then directly gets into next step not unusually if refrigeration mode has then to write down unusually;
(7) judge whether heating mode has unusually, if heating mode has unusually, then prior fault worked as in record, gets into next step then, if heating mode does not have fault, then directly gets into next step;
(8) carry out coolant quantity and judge,, then directly get into next step, judge that then judge coolant quantity, prior fault worked as in record, gets into next step then if preceding step (3) is carried out coolant quantity with (4) if judge in the step (3) of front and (4);
Whether have fault, send if there is fault then to carry out fault, if there is not fault then to continue to wait for self-test signal according to the oneself of front if (9) detecting judgement.
4. a kind of convertible frequency air-conditioner fault based on the internet according to claim 3 is reported for repairment and detection method automatically, it is characterized in that: step (6) is described to be judged whether refrigeration mode has unusually and may further comprise the steps:
(1) running refrigerating pattern;
(2) judge whether reached the antifreeze temperature spot of inner disc in 3 minutes,, then jump to step (5) if not if then get into next step;
(3) judge whether indoor environment temperature is lower than 10 ℃,, judge then that if not the inner blower running is unusual if then get into next step;
(4) stop outer blower fan running, judge then whether 5 minutes internal and external disk temperature arrive antioverloading protection temperature spot, no matter whether all jump to step (8);
(5) judge whether reached outdoor coil pipe used antioverloading protection temperature spot in 3 minutes,, then jump to step (7) if not if then get into next step;
(6) judge whether outdoor environment temperature is higher than 49 ℃,, judge then that if not outer blower fan running is unusual if then get into next step;
(7) stop the inner blower running, judge then whether the inner disc temperature arrives the anti-frost protection temperature spot in 5 minutes,, then get into next step if not if then turn back to step (4);
(8) withdraw from refrigerating state, directly carry out cross valve and switch, get into and heat state model.
5. a kind of convertible frequency air-conditioner fault based on the internet according to claim 3 is reported for repairment and detection method automatically, it is characterized in that: step (7) is described to be judged whether heating mode has unusually and may further comprise the steps:
(1) operation heating mode;
(2) judge whether the inner disc temperature arrives antioverloading protection temperature spot in 3 minutes, if then get into next step, then jumps to step (5) if not;
(3) judge whether indoor environment temperature is higher than 30 ℃,, judge then that if not the inner blower running is unusual if then get into next step;
(4) stop the running of outer blower fan, judge 5 minutes in, coil temperature outward and whether descend and exceed 6 ℃, no matter whether all jump to step (9);
(5) judge that whether 3 minutes internal and external disk temperature descend above 10 ℃, if then get into next step, then jump to step (7) if not;
(6) judge whether outdoor environment temperature is lower than-5 ℃,, judge then that if not outer blower fan running is unusual if then get into next step;
(7) stop the inner blower running, judge then whether the inner disc temperature arrives antioverloading protection temperature spot in 5 minutes, if then turn back to step (4), then gets into next step if not;
(8) judge whether the inner disc temperature descends,, then get into next step if not if judge that then cross valve control is unusual or cross valve is unusual;
(9) getting into coolant quantity judges.
6. a kind of convertible frequency air-conditioner fault based on the internet according to claim 3 is reported for repairment and detection method automatically, it is characterized in that: step (3), (4) may further comprise the steps with (8) described coolant quantity judgement:
(1) heating mode operation, inner blower shuts down;
(2) judge 3 minutes in, whether the inner disc temperature rises less than 10 ℃, if then get into next step, then jumps to step (4) if not;
(3) judge whether temperature is rising, if then get into next step, it is unusual to judge then that if not cross valve switches;
(4) switch to refrigeration mode, it is out of service that inner blower keeps, and judges then whether the inner disc temperature descends less than 10 ℃ in 3 minutes, if then get into next step, it is normal then to be judged to be coolant quantity if not;
(5) judge that whether temperature is to descend, if the system that then is judged to be lacks refrigerant, it is unusual to be judged to be cross valve if not.
7. a kind of convertible frequency air-conditioner fault based on the internet according to claim 1 is reported for repairment and detection method automatically; It is characterized in that: step (3) is described carries out fault through the internet and reports for repairment and be meant and on the control CPU of indoor set, be provided with a network communication connect chip; Said network communication connect chip can send to the appointment receiving terminal to failure code and user profile through the internet, and receiving terminal receives and handles then.
8. a kind of convertible frequency air-conditioner fault based on the internet according to claim 7 is reported for repairment and detection method automatically, it is characterized in that: said receiving terminal is accepted to handle and may further comprise the steps:
(1) wait receives data, if receive that data then get into next step, then continues to wait for if receive;
(2) carry out data validation and registration;
(3) send failure code and user profile to the client maintenace point;
(4) return wait and receive data.
CN201110212885.8A 2011-07-28 2011-07-28 Internet-based automatic fault repair and detection method of frequency-conversion air conditioner Active CN102705954B (en)

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