CN102692066A - Fault diagnosis control system for variable-frequency air conditioner and control method of fault diagnosis control system - Google Patents
Fault diagnosis control system for variable-frequency air conditioner and control method of fault diagnosis control system Download PDFInfo
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- CN102692066A CN102692066A CN2012101957143A CN201210195714A CN102692066A CN 102692066 A CN102692066 A CN 102692066A CN 2012101957143 A CN2012101957143 A CN 2012101957143A CN 201210195714 A CN201210195714 A CN 201210195714A CN 102692066 A CN102692066 A CN 102692066A
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Abstract
The invention relates to the fault diagnosis technology of a variable-frequency air conditioner and discloses a fault diagnosis control method for the variable-frequency air conditioner. The fast diagnosis and the precise positioning on the fault of the variable-frequency air conditioner are realized. The method comprises the following steps that a, corresponding control instructions are sent to the variable-frequency air conditioner through an intelligent control module for controlling the operation state of the variable-frequency air conditioner; b, a data collection module carries out real-time monitoring on the operation state of the variable-frequency air conditioner and collects environment parameters and operation parameters of the variable-frequency air conditioner; c, a fault diagnosis module calculates the environment parameters and the operation parameters of the variable-frequency air conditioner collected by the data collection module to obtain operation state curves of each part and the integral operation state curve of the variable-frequency air conditioner, then, whether the variable-frequency air conditioner has faults or not is judged according to the change trend of each curve, and the fault reason and the fault device are judged when the fault exists; and d, fault diagnosis results are displayed through a display module. In addition, the invention also discloses a fault diagnosis control system of the variable-frequency air conditioner, and the fault diagnosis control system is applicable to the fault diagnosis and the maintenance on the variable-frequency air conditioner.
Description
Technical field
The present invention relates to the convertible frequency air-conditioner fault diagnosis technology, particularly a kind of convertible frequency air-conditioner fault diagnosis control system and fault diagnosis control method.
Background technology
Be accompanied by the develop rapidly of science and technology, the development of air-conditioning converter technique is more and more faster, and the control parameter is also more and more, and its failure cause and phenomenon seem equally and become increasingly complex; The fault manifestation mode of the convertible frequency air-conditioner in the conventional art only shows failure code for the charactron that carries through LED lamp or transducer air conditioning, and code is lack of standardization, and the client is used and keeps in repair and caused huge trouble.Simultaneously; Present transducer air conditioning does not have intelligent fault diagnosis, detection, control function basically, and few part air-conditioner also only is to judge to functional; Perhaps not having implementation method, perhaps only is to judge through ambient parameter external parameters such as (as: temperature); Therefore, being necessary to invent a kind of is the control system of one with control, detection and fault diagnosis, and proposes corresponding control method, to realize transducer air conditioning fault quick diagnosis, precisely to locate.
Summary of the invention
Technical problem to be solved by this invention is: propose a kind of convertible frequency air-conditioner fault diagnosis control system and control method, realize the quick diagnosis to the transducer air conditioning fault, accurate location.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
Convertible frequency air-conditioner fault diagnosis control system comprises:
Intelligent control module is used for through sending corresponding control instruction to convertible frequency air-conditioner, the running status of control convertible frequency air-conditioner;
Data acquisition module is used for the running status of convertible frequency air-conditioner is monitored in real time, and gathers the operational factor and the ambient parameter of convertible frequency air-conditioner;
The normal data library module is used for the different standard operation compensated curves of setting up according to convertible frequency air-conditioner type and efficiency grade;
Fault diagnosis module; Be used for the control instruction according to intelligent control module, the operational factor and the ambient parameter of the convertible frequency air-conditioner that the data acquisition module is collected are calculated, and draw each parts running status curve and convertible frequency air-conditioner integrated operation condition curve; Then; Whether have fault, if any fault, then judge failure cause and defective device according to each plots changes if judging convertible frequency air-conditioner;
Display module is used to show fault diagnosis result.
Further, said intelligent control module also is used for virtual air-conditioning internal machine running status, and internally machine detects, debugs, virtual outdoor machine of air-conditioner running status, and externally machine detects, debugs.
Further, said fault diagnosis result comprises failure cause and defective device.
Further, said display module adopts the pattern of literal, curve and image to show.
Further; Said fault diagnosis module also is used for the standard operation compensated curve of each parts running status curve and convertible frequency air-conditioner integrated operation condition curve and the foundation of normal data library module is compared; Draw operational effect figure, thereby judge the device that convertible frequency air-conditioner needs to be serviced and maintains.
Further, said display module also is used to the device that shows that convertible frequency air-conditioner needs to be serviced and maintains.
Another object of the present invention also is to propose a kind of convertible frequency air-conditioner fault diagnosis control method, and it may further comprise the steps:
A. send corresponding control instruction through intelligent control module to convertible frequency air-conditioner, the running status of control convertible frequency air-conditioner;
B. data acquisition module is monitored the running status of convertible frequency air-conditioner in real time, and gathers its operational factor and ambient parameter;
C. the operational factor and the ambient parameter of fault diagnosis module convertible frequency air-conditioner that the data acquisition module is collected are calculated; Draw each parts running status curve and convertible frequency air-conditioner integrated operation condition curve; Then; Whether have fault, if any fault, then judge failure cause and defective device according to each plots changes if judging convertible frequency air-conditioner;
D. show fault diagnosis result through display module.
Further, said corresponding control instruction comprises: pattern, switching on and shutting down, design temperature, indoor set wind speed, off-premises station wind speed, compressor operating frequency, magnetic valve, cross valve, air door pendulum leaf position, electrical heating.
Further, said operational factor comprises: compressor frequency, outer blower fan rotating speed, indoor set wind speed, compressor exhaust temperature, outer coil temperature, inner coil pipe temperature, working voltage, compressor current, complete machine electric current, air door pendulum leaf position, magnetic valve state, cross valve state, electrical heating state.
Further, said ambient parameter comprises: outdoor temperature, indoor temperature, outside humidity, interior machine intake air temperature, interior machine air outlet temperature, atmospheric pressure.
The invention has the beneficial effects as follows: the running status through to convertible frequency air-conditioner is monitored in real time; And gather relevant parameter and calculate; Whether the intelligent analysis convertible frequency air-conditioner exists fault; Finally fault diagnosis result is carried out visualize and show, realize quick, accurate location, help rationalization operation and maintenance air-conditioner to the air-conditioning fault.
Description of drawings
Fig. 1 is a fault diagnosis control system architecture diagram of the present invention;
Fig. 2 is a fault diagnosis control method flow chart of the present invention.
The specific embodiment
The invention discloses a kind of convertible frequency air-conditioner fault diagnosis control system and control method, realize the quick diagnosis to the transducer air conditioning fault, accurate location.Referring to Fig. 1, this control system comprises: intelligent control module, data acquisition module, normal data library module, fault diagnosis module, display module several sections; Wherein,
Intelligent control module is used for through sending corresponding control instruction to convertible frequency air-conditioner, the running status of control convertible frequency air-conditioner; Machine or outer machine running status in virtual detect, debug outer machine of transducer air conditioning or interior machine; Wherein control instruction includes but not limited to: pattern, switching on and shutting down, design temperature, indoor set wind speed, off-premises station wind speed, compressor operating frequency, magnetic valve, cross valve, air door pendulum leaf position, electrical heating, other additional function etc.;
Data acquisition module is used for the running status of convertible frequency air-conditioner is monitored in real time, and gathers the operational factor and the ambient parameter of convertible frequency air-conditioner; Wherein operational factor comprises compressor frequency, outer blower fan rotating speed, indoor set wind speed, compressor exhaust temperature, outer coil temperature, inner coil pipe temperature, working voltage, compressor current, complete machine electric current, air door pendulum leaf position, magnetic valve state, cross valve state, electrical heating state etc.; Ambient parameter comprises outdoor temperature, indoor temperature, outside humidity, interior machine intake air temperature, interior machine air outlet temperature, atmospheric pressure etc.;
The normal data library module is used for the different standard operation compensated curves of setting up according to convertible frequency air-conditioner type and efficiency grade; Fault diagnosis module; Be used for the control instruction according to intelligent control module, the operational factor and the ambient parameter of the convertible frequency air-conditioner that the data acquisition module is collected are calculated, and draw each parts running status curve and convertible frequency air-conditioner integrated operation condition curve; Then; Whether have fault, if any fault, then judge failure cause and defective device according to each plots changes if judging convertible frequency air-conditioner; Simultaneously, each curve can compare with the data that the java standard library module provides, and draws operational effect figure, thereby judges the device that needs to be serviced and maintain after the transducer air conditioning long-time running;
Display module is used to show fault diagnosis result, as: intuitively show defective device and failure cause through forms such as literal, image, curves, in addition, can also show the device that needs to be serviced and maintain, make things convenient for the user to fully understand the air-conditioner current state.
The convertible frequency air-conditioner fault diagnosis control method that the present invention proposes is referring to Fig. 2, and it may further comprise the steps:
A. send corresponding control instruction through intelligent control module to convertible frequency air-conditioner, the running status of control convertible frequency air-conditioner;
B. data acquisition module is monitored the running status of convertible frequency air-conditioner in real time, and gathers its operational factor and ambient parameter;
C. the operational factor and the ambient parameter of fault diagnosis module convertible frequency air-conditioner that the data acquisition module is collected are calculated; Draw each parts running status curve and convertible frequency air-conditioner integrated operation condition curve; Then; Whether have fault, if any fault, then judge failure cause and defective device according to each plots changes if judging convertible frequency air-conditioner;
D. show fault diagnosis result through display module.
Claims (10)
1. convertible frequency air-conditioner fault diagnosis control system is characterized in that, comprising:
Intelligent control module is used for through sending corresponding control instruction to convertible frequency air-conditioner, the running status of control convertible frequency air-conditioner;
Data acquisition module is used for the running status of convertible frequency air-conditioner is monitored in real time, and gathers the operational factor and the ambient parameter of convertible frequency air-conditioner;
The normal data library module is used for the different standard operation compensated curves of setting up according to convertible frequency air-conditioner type and efficiency grade;
Fault diagnosis module; Be used for the control instruction according to intelligent control module, the operational factor and the ambient parameter of the convertible frequency air-conditioner that the data acquisition module is collected are calculated, and draw each parts running status curve and convertible frequency air-conditioner integrated operation condition curve; Then; Whether have fault, if any fault, then judge failure cause and defective device according to each plots changes if judging convertible frequency air-conditioner;
Display module is used to show fault diagnosis result.
2. convertible frequency air-conditioner fault diagnosis as claimed in claim 1 is controlled system; It is characterized in that said intelligent control module also is used for virtual air-conditioning internal machine running status, internally machine detects, debugs; Virtual outdoor machine of air-conditioner running status, externally machine detects, debugs.
3. according to claim 1 or claim 2 convertible frequency air-conditioner fault diagnosis control system is characterized in that said fault diagnosis result comprises failure cause and defective device.
4. according to claim 1 or claim 2 convertible frequency air-conditioner fault diagnosis control system is characterized in that said display module adopts the pattern of literal, curve and image to show.
5. according to claim 1 or claim 2 convertible frequency air-conditioner fault diagnosis control system; It is characterized in that; Said fault diagnosis module also is used for the standard operation compensated curve of each parts running status curve and convertible frequency air-conditioner integrated operation condition curve and the foundation of normal data library module is compared; Draw operational effect figure, thereby judge the device that convertible frequency air-conditioner needs to be serviced and maintains.
6. convertible frequency air-conditioner fault diagnosis as claimed in claim 5 control system is characterized in that, said display module also is used to the device that shows that convertible frequency air-conditioner needs to be serviced and maintains.
7. convertible frequency air-conditioner fault diagnosis control method is characterized in that, may further comprise the steps:
A. send corresponding control instruction through intelligent control module to convertible frequency air-conditioner, the running status of control convertible frequency air-conditioner;
B. data acquisition module is monitored the running status of convertible frequency air-conditioner in real time, and gathers its operational factor and ambient parameter;
C. the operational factor and the ambient parameter of fault diagnosis module convertible frequency air-conditioner that the data acquisition module is collected are calculated; Draw each parts running status curve and convertible frequency air-conditioner integrated operation condition curve; Then; Whether have fault, if any fault, then judge failure cause and defective device according to each plots changes if judging convertible frequency air-conditioner;
D. show fault diagnosis result through display module.
8. convertible frequency air-conditioner fault diagnosis control method as claimed in claim 7; It is characterized in that said corresponding control instruction comprises: pattern, switching on and shutting down, design temperature, indoor set wind speed, off-premises station wind speed, compressor operating frequency, magnetic valve, cross valve, air door pendulum leaf position, electrical heating.
9. convertible frequency air-conditioner fault diagnosis control method as claimed in claim 7; It is characterized in that said operational factor comprises: compressor frequency, outer blower fan rotating speed, indoor set wind speed, compressor exhaust temperature, outer coil temperature, inner coil pipe temperature, working voltage, compressor current, complete machine electric current, air door pendulum leaf position, magnetic valve state, cross valve state, electrical heating state.
10. convertible frequency air-conditioner fault diagnosis control method as claimed in claim 7 is characterized in that said ambient parameter comprises: outdoor temperature, indoor temperature, outside humidity, interior machine intake air temperature, interior machine air outlet temperature, atmospheric pressure.
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