CN102748832A - Air conditioning fault detection method - Google Patents
Air conditioning fault detection method Download PDFInfo
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- CN102748832A CN102748832A CN2012101854946A CN201210185494A CN102748832A CN 102748832 A CN102748832 A CN 102748832A CN 2012101854946 A CN2012101854946 A CN 2012101854946A CN 201210185494 A CN201210185494 A CN 201210185494A CN 102748832 A CN102748832 A CN 102748832A
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- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 238000004378 air conditioning Methods 0.000 title claims description 110
- 238000004891 communication Methods 0.000 claims description 63
- 238000005070 sampling Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000005856 abnormality Effects 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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Abstract
本发明公开了一种空调故障检测方法，该检测方法中，检测装置通过WIFI网络与空调进行通讯，然后控制空调控制器对空调进行自检，可以方便、快速地确定空调的故障点，明确故障位置与类型，减少空调的维修时间。
The invention discloses an air conditioner fault detection method. In the detection method, the detection device communicates with the air conditioner through a WIFI network, and then controls the air conditioner controller to perform self-inspection on the air conditioner, which can conveniently and quickly determine the fault point of the air conditioner and clarify the fault The location and type reduce the maintenance time of the air conditioner.
Description
Technical field
The present invention relates to a kind of air-conditioning fault detection method.
Background technology
Traditional air-conditioning trouble hunting is after the user finds that the bad or running of operation of air conditioner effect is not good, to carry out customer service by the client and report for repairment, and the maintenance personal carries out the judgement and the analysis of system according to client's description, thereby roughly confirms the fault and the maintenace point of air-conditioning.This traditional repair method is because inaccurate to the trouble point judgement of air-conditioning, and the efficient that causes air-conditioning to keep in repair is lower, in addition; For convertible frequency air-conditioner; Because protection is numerous and inconvenient overhaul in part installation site and measurement abort situation point, so more be difficult to confirm the definite position of air-conditioning fault, causes the difficulty of air-conditioning breakdown maintenance to strengthen; Prolong maintenance time, influences client's use.
Some system failures appear in air-conditioning system is difficult to avoid in long running meeting, in time fault are got rid of the maximum that can effectively guarantee the user and use interests.
Summary of the invention
Technical problem to be solved by this invention is: a kind of air-conditioning fault detection method that can confirm the air-conditioning trouble point easily and quickly is provided.
The present invention addresses the above problem the technical scheme that is adopted: a kind of air-conditioning fault detection method, and this detection method may further comprise the steps:
1), make air-conditioning be in standby mode;
2), checkout gear carries out communication through WIFI network and air-conditioning internal machine, the air-conditioning internal machine controller judges whether to receive the self-checking command that checkout gear sends;
3), receive the self-checking command that checkout gear sends if step (2) is judged the air-conditioning internal machine controller, air-conditioning begins self check, and the air-conditioning internal machine controller just returns and gives checkout gear at the self-checking sign; If step (2) is judged the air-conditioning internal machine controller and is not received the self-checking command that checkout gear sends that return step (1), air-conditioning continues standby;
4), the air-conditioning internal machine controller sends to self-checking command the outdoor machine of air-conditioner controller and begins the communication detection timing;
5), the air-conditioning internal machine controller judges to begin from timing whether the communication data that receives the outdoor machine of air-conditioner controller was arranged in two minutes;
6), if step (5) judgement air-conditioning internal machine controller had the communication data that receives the outdoor machine of air-conditioner controller in two minutes; Can carry out communication between expression air-conditioning internal machine and the outdoor machine of air-conditioner; The outdoor machine of air-conditioner controller carries out communication data statistics, adds up in one minute communication transmission and response times with air-conditioning internal machine controller, driven compressor module respectively; If step (5) judgement air-conditioning internal machine controller does not receive the communication data of outdoor machine of air-conditioner controller in two minutes; Then air-conditioning internal machine and outdoor machine of air-conditioner communication abnormality; The air-conditioning internal machine controller sends to checkout gear with this fault message and by checkout gear fault message is shown, withdraws from self check then;
7), the outdoor machine of air-conditioner controller is analyzed statistics and has been judged whether that the module communication success rate is less than 80%;
8), if step (7) judges not have the module communication success rate less than 80%, communication detection is normal, and air-conditioning is carried out the standby test, the parameter of the key position of air-conditioning internal machine controller during to the air-conditioning standby is sampled and sampling parameter is sent to checkout gear; If step (7) judges the module communication success rate to be arranged less than 80%, abnormal data is sent to checkout gear and by checkout gear abnormal data shown, withdraw from self check then;
9), air-conditioning is moved test, first running refrigerating pattern 2～4 minutes, during, the every transmission at a distance from 30S once moved sampling parameter and given checkout gear; Refrigeration mode switches to heating mode after finishing, operation heating mode 2～4 minutes, during, every separated 30S transmission once moves sampling parameter and gives checkout gear; If the run duration air-conditioning breaks down, fault message is sent to checkout gear and fault message is shown by the air-conditioning internal machine controller by checkout gear, withdraw from self check then;
10), self check finishes.
Said checkout gear is meant through WIFI network and air-conditioning internal machine communication; Checkout gear is provided with a WIFI communication module; Air-conditioning internal machine is provided with the 2nd WIFI communication module; The one WIFI communication module is connected with the control chip of checkout gear, and the 2nd WIFI communication module is connected with the air-conditioning internal machine controller, and a WIFI communication module is connected with the 2nd WIFI communication module signal through the WIFI network.
The parameter of the key position during described air-conditioning standby comprises current AC-input voltage, current input AC electric current, current indoor environment temperature, indoor coil pipe, outdoor coil pipe used temperature, outdoor delivery temperature, outdoor environment temperature, outdoor suction temperature, outdoor DC bus-bar voltage, the outdoor compression speed of service.
Described operation sampling parameter comprises the machine speed of service, electronic expansion valve opening, cross valve on off state in current AC-input voltage, current input AC electric current, current indoor environment temperature, indoor coil pipe, outdoor coil pipe used temperature, outdoor delivery temperature, outdoor environment temperature, outdoor suction temperature, outdoor DC bus-bar voltage, the outdoor compression speed of service, the indoor and outdoor.
Compared with prior art; The invention has the advantages that: checkout gear carries out communication through WIFI network and air-conditioning, controls air-conditioner controller then air-conditioning is carried out self check, can confirm the trouble point of air-conditioning easily and quickly; Clear failure position and type, the maintenance time of minimizing air-conditioning.
Description of drawings
Fig. 1 is the structured flowchart of checkout gear in the air-conditioning fault detection method of the present invention.
Fig. 2 is the flow chart of air-conditioning fault detection method of the present invention.
Fig. 3 is the structured flowchart of air-conditioning internal machine in the air-conditioning fault detection method of the present invention.
The specific embodiment
For ease of processing method of the present invention is described,, air-conditioning fault detection method of the present invention is elaborated below in conjunction with accompanying drawing:
A kind of air-conditioning fault detection method, this detection method may further comprise the steps:
1), make air-conditioning be in standby mode;
2), checkout gear carries out communication through WIFI network and air-conditioning internal machine, the air-conditioning internal machine controller judges whether to receive the self-checking command that checkout gear sends;
3), receive the self-checking command that checkout gear sends if step (2) is judged the air-conditioning internal machine controller, air-conditioning begins self check, and the air-conditioning internal machine controller just returns and gives checkout gear at the self-checking sign; If step (2) is judged the air-conditioning internal machine controller and is not received the self-checking command that checkout gear sends that return step (1), air-conditioning continues standby;
4), the air-conditioning internal machine controller sends to self-checking command the outdoor machine of air-conditioner controller and begins the communication detection timing;
5), the air-conditioning internal machine controller judges to begin from timing whether the communication data that receives the outdoor machine of air-conditioner controller was arranged in two minutes;
6), if step (5) judgement air-conditioning internal machine controller had the communication data that receives the outdoor machine of air-conditioner controller in two minutes; Can carry out communication between expression air-conditioning internal machine and the outdoor machine of air-conditioner; The outdoor machine of air-conditioner controller carries out communication data statistics, adds up in one minute communication transmission and response times with air-conditioning internal machine controller, driven compressor module respectively; If step (5) judgement air-conditioning internal machine controller does not receive the communication data of outdoor machine of air-conditioner controller in two minutes; Then air-conditioning internal machine and outdoor machine of air-conditioner communication abnormality; The air-conditioning internal machine controller sends to checkout gear with this fault message and by checkout gear fault message is shown, withdraws from self check then;
7), the outdoor machine of air-conditioner controller is analyzed statistics and has been judged whether that the module communication success rate is less than 80%;
8), if step (7) judges not have the module communication success rate less than 80%, communication detection is normal, and air-conditioning is carried out the standby test, the parameter of the key position of air-conditioning internal machine controller during to the air-conditioning standby is sampled and sampling parameter is sent to checkout gear; If step (7) judges the module communication success rate to be arranged less than 80%, abnormal data is sent to checkout gear and by checkout gear abnormal data shown, withdraw from self check then;
9), air-conditioning is moved test, first running refrigerating pattern 2～4 minutes, during, the every transmission at a distance from 30S once moved sampling parameter and given checkout gear; Refrigeration mode switches to heating mode after finishing, operation heating mode 2～4 minutes, during, every separated 30S transmission once moves sampling parameter and gives checkout gear; If the run duration air-conditioning breaks down, fault message is sent to checkout gear and fault message is shown by the air-conditioning internal machine controller by checkout gear, withdraw from self check then;
10), self check finishes.
After self check finished, the testing staff analysed and compared to the sampling parameter of detection device records, judged that each parameter is whether in normal range (NR).
Said checkout gear is meant through WIFI network and air-conditioning internal machine communication; Checkout gear is provided with a WIFI communication module; Air-conditioning internal machine is provided with the 2nd WIFI communication module; The one WIFI communication module is connected with the control chip of checkout gear, and the 2nd WIFI communication module is connected with the air-conditioning internal machine controller, and a WIFI communication module is connected with the 2nd WIFI communication module signal through the WIFI network.Like Fig. 1, also be provided with display module, button and power supply on the said checkout gear, display module, button and power supply all are connected with control chip.Like Fig. 3, air-conditioning internal machine comprises air-conditioning internal machine controller and the power supply that links to each other with the air-conditioning internal machine controller, indoor coil pipe detecting sensor, indoor environment temperature detecting sensor, remote control receiver module, push button signalling input module, the 2nd WIFI communication module, display, inside and outside machine communication module, healthy supplementary module, interior machine control module.
The parameter of the key position during described air-conditioning standby comprises current AC-input voltage, current input AC electric current, current indoor environment temperature, indoor coil pipe, outdoor coil pipe used temperature, outdoor delivery temperature, outdoor environment temperature, outdoor suction temperature, outdoor DC bus-bar voltage, the outdoor compression speed of service.
Described operation sampling parameter comprises the machine speed of service, electronic expansion valve opening, cross valve on off state in current AC-input voltage, current input AC electric current, current indoor environment temperature, indoor coil pipe, outdoor coil pipe used temperature, outdoor delivery temperature, outdoor environment temperature, outdoor suction temperature, outdoor DC bus-bar voltage, the outdoor compression speed of service, the indoor and outdoor.
In this detection method, after running into fault at every turn and withdrawing from self check, air-conditioning is keeped in repair by the testing staff, after keep in repair at every turn all need send self-checking command through checkout gear to air-conditioning again, carry out self check again, finish until whole self check process and do not break down.
Claims (4)
1. air-conditioning fault detection method, it is characterized in that: this detection method may further comprise the steps:
1), make air-conditioning be in standby mode;
2), checkout gear carries out communication through WIFI network and air-conditioning internal machine, the air-conditioning internal machine controller judges whether to receive the self-checking command that checkout gear sends;
3), receive the self-checking command that checkout gear sends if step (2) is judged the air-conditioning internal machine controller, air-conditioning begins self check, and the air-conditioning internal machine controller just returns and gives checkout gear at the self-checking sign; If step (2) is judged the air-conditioning internal machine controller and is not received the self-checking command that checkout gear sends that return step (1), air-conditioning continues standby;
4), the air-conditioning internal machine controller sends to self-checking command the outdoor machine of air-conditioner controller and begins the communication detection timing;
5), the air-conditioning internal machine controller judges to begin from timing whether the communication data that receives the outdoor machine of air-conditioner controller was arranged in two minutes;
6), if step (5) judgement air-conditioning internal machine controller had the communication data that receives the outdoor machine of air-conditioner controller in two minutes; Can carry out communication between expression air-conditioning internal machine and the outdoor machine of air-conditioner; The outdoor machine of air-conditioner controller carries out communication data statistics, adds up in one minute communication transmission and response times with air-conditioning internal machine controller, driven compressor module respectively; If step (5) judgement air-conditioning internal machine controller does not receive the communication data of outdoor machine of air-conditioner controller in two minutes; Then air-conditioning internal machine and outdoor machine of air-conditioner communication abnormality; The air-conditioning internal machine controller sends to checkout gear with this fault message and by checkout gear fault message is shown, withdraws from self check then;
7), the outdoor machine of air-conditioner controller is analyzed statistics and has been judged whether that the module communication success rate is less than 80%;
8), if step (7) judges not have the module communication success rate less than 80%, communication detection is normal, and air-conditioning is carried out the standby test, the parameter of the key position of air-conditioning internal machine controller during to the air-conditioning standby is sampled and sampling parameter is sent to checkout gear; If step (7) judges the module communication success rate to be arranged less than 80%, abnormal data is sent to checkout gear and by checkout gear abnormal data shown, withdraw from self check then;
9), air-conditioning is moved test, first running refrigerating pattern 2～4 minutes, during, the every transmission at a distance from 30S once moved sampling parameter and given checkout gear; Refrigeration mode switches to heating mode after finishing, operation heating mode 2～4 minutes, during, every separated 30S transmission once moves sampling parameter and gives checkout gear; If the run duration air-conditioning breaks down, fault message is sent to checkout gear and fault message is shown by the air-conditioning internal machine controller by checkout gear, withdraw from self check then;
10), self check finishes.
2. air-conditioning fault detection method according to claim 1; It is characterized in that: said checkout gear is meant through WIFI network and air-conditioning internal machine communication; Checkout gear is provided with a WIFI communication module, and air-conditioning internal machine is provided with the 2nd WIFI communication module, and a WIFI communication module is connected with the control chip of checkout gear; The 2nd WIFI communication module is connected with the air-conditioning internal machine controller, and a WIFI communication module is connected with the 2nd WIFI communication module signal through the WIFI network.
3. air-conditioning fault detection method according to claim 1 is characterized in that: the parameter of the key position during described air-conditioning standby comprises current AC-input voltage, current input AC electric current, current indoor environment temperature, indoor coil pipe, outdoor coil pipe used temperature, outdoor delivery temperature, outdoor environment temperature, outdoor suction temperature, outdoor DC bus-bar voltage, the outdoor compression speed of service.
4. air-conditioning fault detection method according to claim 1 is characterized in that: described operation sampling parameter comprises the machine speed of service, electronic expansion valve opening, cross valve on off state in current AC-input voltage, current input AC electric current, current indoor environment temperature, indoor coil pipe, outdoor coil pipe used temperature, outdoor delivery temperature, outdoor environment temperature, outdoor suction temperature, outdoor DC bus-bar voltage, the outdoor compression speed of service, the indoor and outdoor.
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| CN201210185494.6A CN102748832B (en) | 2012-06-07 | 2012-06-07 | Air conditioning fault detection method |
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| CN103104961A (en) * | 2013-01-30 | 2013-05-15 | 广东美的制冷设备有限公司 | Communication failure detection method and detection device |
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| CN103792103B (en) * | 2014-01-21 | 2016-04-20 | 宁波奥克斯电气股份有限公司 | The detection method of VRF Air Conditioning System |
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