CN106500238A - Electric expansion valve fault detection method, device and multi-connected machine device systems - Google Patents
Electric expansion valve fault detection method, device and multi-connected machine device systems Download PDFInfo
- Publication number
- CN106500238A CN106500238A CN201610817850.XA CN201610817850A CN106500238A CN 106500238 A CN106500238 A CN 106500238A CN 201610817850 A CN201610817850 A CN 201610817850A CN 106500238 A CN106500238 A CN 106500238A
- Authority
- CN
- China
- Prior art keywords
- expansion valve
- electric expansion
- operational factor
- monitoring
- equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
Abstract
The present invention discloses a kind of electric expansion valve fault detection method, device and multi-connected machine device systems.Wherein, the method includes：Monitoring device operational factor；Fault detect is carried out to electric expansion valve according to equipment operational factor.The present invention passes through monitoring device operational factor, and fault detect is carried out to electric expansion valve according to equipment operational factor, to realize rapid-maintenance, improve the maintenance degree of accuracy and efficiency, so as to efficiently solve in prior art in electric expansion valve failure, it is impossible to the difficult problem being used for quickly detecting.
Description
Technical field
The present invention relates to communication technical field, in particular to a kind of electric expansion valve fault detection method, device and
Multi-connected machine device systems.
Background technology
Electric expansion valve is important as multi-connected machine (that is, multi-online air-conditioning system that is to say that drags multi-form air-conditioning)
Part, serves key effect in terms of the distribution of whole system refrigerant, system on demand operation.Electric expansion valve failure, for example, open
Spend exception, cannot close completely, can directly result in user is reduced using air-conditioning experience, does not reach the effect of refrigeration cool-down.
In current technology, effective detection method is lacked to electric expansion valve failure, when electric expansion valve failure, very
Difficult quick lock in problem, needs, according to system difference ruuning situation, artificial long-time observation analysis, not only resulting in maintenance cost increasing
Plus, Consumer's Experience is also have impact on, and to a certain degree weakens brand competitiveness.
For in prior art in electric expansion valve failure, it is impossible to the difficult problem being used for quickly detecting, not yet propose at present
Effective solution.
Content of the invention
A kind of electric expansion valve fault detection method, device and multi-connected machine device systems are provided in the embodiment of the present invention, with
In solution prior art in electric expansion valve failure, it is impossible to the difficult problem being used for quickly detecting.
For solving above-mentioned technical problem, one aspect of the present invention provides a kind of electric expansion valve fault detection method, wherein,
The method includes：Monitoring device operational factor；Fault detect is carried out to electric expansion valve according to the equipment operational factor.
Further, the equipment operational factor is monitored, is specifically included：The equipment is monitored at interval of first scheduled time
Operational factor；Wherein, the equipment operational factor at least includes one below：Interior machine Guan Wen, environment temperature and switching on and shutting down time.
Further, fault detect is carried out to electric expansion valve according to the equipment operational factor, including：Set according to described
Whether received shipment line parameter and device history operational factor, judge the electric expansion valve in fault pre-alarming state；If it is,
After the fault detect for receiving user is instructed, fault detect is carried out to the electric expansion valve.
Further, according to the equipment operational factor and device history operational factor, judge the electric expansion valve
Whether fault pre-alarming state is in, including：σ when the σ values and device history record of equipment operationVValue meets
When, then judge that the electric expansion valve is in fault pre-alarming state：
Wherein, P values are the empirical value comprehensively drawn according to machine operation and electric expansion valve probability of malfunction, and σ values are
The value that the equipment operational factor according to monitoring is obtained, σVValue is the value obtained according to the device history operational factor；
N is monitoring number of times, ToutFor interior machine Guan Wen, TinFor environment temperature, ToffFor the switching on and shutting down time.
Further, fault detect is carried out to the electric expansion valve, including：Described at interval of the monitoring of second scheduled time
Equipment operational factor；Wherein, the lasting total duration of monitoring operation is T1；
WhenDuring establishment, then judge the electric expansion valve failure；Wherein, Q and P1For root
According to the empirical value that machine operation and electric expansion valve probability of malfunction comprehensively draw, N is the prison in lasting total duration time T1
Survey number of times, ToutFor interior machine Guan Wen, TinFor environment temperature.
Another aspect of the present invention provides a kind of electric expansion valve failure detector, and wherein, the device includes：Monitoring is single
First monitoring device operational factor；Detector unit carries out fault detect according to the equipment operational factor to electric expansion valve.
Further, the monitoring unit is additionally operable to, and monitors the equipment operational factor at interval of first scheduled time；Its
In, the equipment operational factor at least includes one below：Interior machine Guan Wen, environment temperature and switching on and shutting down time.
Further, the detector unit further includes warning module and detection module；
The warning module, for according to the equipment operational factor and device history operational factor, judging the electricity
Whether sub- expansion valve is in fault pre-alarming state, if it is, triggering fault detection module；
The detection module, after instructing in the fault detect for receiving user, carries out event to the electric expansion valve
Barrier detection.
Further, the warning module is additionally operable to, as the σ of the σ values and device history record of equipment operationVValue meetsWhen, then judge that the electric expansion valve is in fault pre-alarming state：Wherein, P values are according to machine operation
And the empirical value that electric expansion valve probability of malfunction comprehensively draws, the equipment operational factor monitored according to σ values obtains
Value, σVValue is the value obtained according to the device history operational factor；
N is monitoring number of times, ToutFor interior machine Guan Wen, TinFor environment temperature, ToffFor the switching on and shutting down time.
Further, the detection module, for monitoring the equipment operational factor at interval of second scheduled time；Its
In, the lasting total duration for monitoring operation is T1, whenDuring establishment, then judge the electronic expansion
Valve failure；
Wherein, Q and P1It is the empirical value comprehensively drawn according to machine operation and electric expansion valve probability of malfunction, N is
Continue the monitoring number of times in total duration time T1, ToutFor interior machine Guan Wen, TinFor environment temperature.
Another further aspect, present invention also offers a kind of multi-connected machine device systems, the multi-connected machine device systems include above-mentioned
A kind of described electric expansion valve failure detector.
Application technical scheme, by monitoring device operational factor and swollen to electronics according to equipment operational factor
Swollen valve carries out fault detect, to realize rapid-maintenance, improves the maintenance degree of accuracy and efficiency, exists so as to efficiently solve prior art
During electric expansion valve failure, it is impossible to the difficult problem being used for quickly detecting.
Description of the drawings
Fig. 1 is a kind of schematic flow sheet of electric expansion valve fault detection method according to embodiments of the present invention；
Fig. 2 is a kind of structural representation of electric expansion valve failure detector according to embodiments of the present invention；
Fig. 3 is the structural representation of another kind of electric expansion valve failure detector according to embodiments of the present invention.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as the limit to the present invention
Fixed.
Fig. 1 is a kind of electric expansion valve fault detection method according to embodiments of the present invention, as shown in figure 1, the method bag
Include following steps：
S101, monitoring device operational factor；
S102, fault detect is carried out to electric expansion valve according to the equipment operational factor.
That is, the present invention is by monitoring device operational factor, and carries out failure according to equipment operational factor to electric expansion valve
Detection, to realize rapid-maintenance, so that efficiently solve prior art in electric expansion valve failure, it is impossible to be used for quickly detecting
A difficult problem.
It should be noted that electric expansion valve of the present invention is the electric expansion valve on multi-online air-conditioning system, i.e.,
It is to drag the electric expansion valve on multi-form air-conditioning, and method of the present invention is equally applicable to other and is arbitrarily provided with electronics
On the multi-connected machine device systems of expansion valve.
Described in the embodiment of the present invention, step S101 is specifically included：The equipment operation ginseng is monitored at interval of first scheduled time
Number；Wherein, the equipment operational factor at least includes one below：Interior machine Guan Wen, environment temperature, on-off state, electronics are swollen
Swollen valve state and switching on and shutting down time.
Specifically, because the equipment operational factor of all monitorings is required to be acquired and stores, and gather and store
The internal memory for expending Centralized Controller is required to, so considering that the present invention is spaced certain between being from Centralized Controller internal memory angle
The scheduled time is just monitored to equipment operational factor.
It should be noted that the scheduled time is spaced by the embodiment of the present invention can be set according to actual needs.
Wherein, the interior machine pipe benign environment temperature of the embodiment of the present invention can be measured by sensor, and the present invention
It is to obtain the switching on and shutting down time by on-off state, in addition, the present invention can be also used as by recorded electronic expansion valve state
An electric expansion valve failure whether important parameter.
Device history operational factor described in the embodiment of the present invention is the equipment operational factor of record during equipment use,
That is, machine Guan Wen, environment temperature, on-off state, electric expansion valve state and switching on and shutting down time in during equipment usage history.
When being embodied as, step S102 of the present invention is specifically included：
According to the equipment operational factor and device history operational factor, judge the electric expansion valve whether in event
Barrier alert status；
If it is, issuing the user with early warning information.
After the fault detect for receiving user is instructed, fault detect is carried out to the electric expansion valve.
When being embodied as, the present invention is the equipment for monitoring and recording multi-connected machine by the Centralized Controller being connected with multi-connected machine
Operational factor and device history operational factor, by being compared to above-mentioned parameter, realize whether determining electric expansion valve in advance
Failure, so that realize rapid-maintenance.
Present invention enforcement is described according to the equipment operational factor and device history operational factor, judges that the electronics is swollen
Whether swollen valve is in fault pre-alarming state, including：
σ when the σ values and device history record of equipment operationVValue meetsWhen, then judge that the electronics is swollen
Swollen valve is in fault pre-alarming state：
Wherein, P values are the empirical value comprehensively drawn according to machine operation and electric expansion valve probability of malfunction, and σ values are
The value that equipment operational factor according to monitoring is obtained, σVValue is the value obtained according to device history operational factor；
N is monitoring number of times, ToutFor interior machine Guan Wen, TinFor environment temperature, ToffFor the switching on and shutting down time.
That is, according to related equipment operational factor, the present invention can judge whether electric expansion valve may be deposited in advance
In failure, if just carrying out early warning, remind personnel after sale to go to and check maintenance, so as to lift maintenance efficiency.
When being embodied as, fault detect is carried out to the electric expansion valve described in the embodiment of the present invention, including：
Enter the detection that line duration is T2 at interval of the second scheduled time T1, when result of calculation meetsWhen, then judge the electric expansion valve failure；
Wherein, Q and P1It is the empirical value comprehensively drawn according to machine operation and electric expansion valve probability of malfunction, N is
Continue the monitoring number of times in total duration time T1, ToutFor interior machine Guan Wen, TinFor environment temperature.
Specifically, those skilled in the art can be run according to multiple on-line system and electric expansion valve probability of malfunction is comprehensively obtained
Go out Q and P1Value, and the duration to arrange second the be spaced scheduled time and detect according to specific needs.
The invention provides a kind of electric expansion valve fault detect and method for early warning, on the one hand can be according to related equipment
Operational factor judges whether electric expansion valve there may be failure in advance, if just carrying out early warning, the personnel after sale of prompting go to
Check maintenance, after on the other hand entering early warning, can automatic detection determine electric expansion valve whether failure, and determining the electricity of equipment
During sub- expansion valve malfunction, malfunction coefficient is carried out, and keeper is notified by predetermined manner, so as to lift maintenance efficiency.
Method of the present invention will be illustrated by a specific example below：
Centralized Controller is calculated according to intelligent algorithm according to equipment operational factor and the data of device history operational factor
Afterwards, automatic decision provides the electric expansion valve whether conclusion of failure, in terms of the present invention includes fault pre-alarming and fault recognition two.
Specifically, electric expansion valve fault pre-alarming of the invention judges to press following algorithm performs：
Centralized Controller timing is swollen every the interior machine Guan Wen of first scheduled time monitoring, environment temperature, on-off state, electronics
Swollen valve state and switching on and shutting down time, σ values are drawn according to equation below：
Wherein N is monitoring number of times, ToutFor interior machine Guan Wen, TinFor environment temperature, ToffFor the switching on and shutting down time.
And history σ with data place recordVValue is compared, and when following condition is met, sends fault pre-alarming：
Wherein P values are the empirical value comprehensively drawn according to situations such as multi-connection operation and electric expansion valve probability of malfunction.
Electric expansion valve fault detect of the present invention judges to press following algorithm performs：
After user selects fault detection program, Centralized Controller is detected by following algorithm every the second scheduled time T1,
Duration is T2.
When result of calculation meets following condition, judge that electric expansion valve is：Failure.
Wherein, Q and P1It is the empirical value comprehensively drawn according to multiple on-line system operation and electric expansion valve probability of malfunction.
N is the monitoring number of times in cycle T 2, and N is bigger in theory, and testing result accuracy rate is higher.
Corresponding to the electric expansion valve fault detection method that Fig. 1 is introduced, a kind of electric expansion valve event is present embodiments provided
Barrier detection means, a kind of structured flowchart of electric expansion valve failure detector as shown in Figure 3, the device be arranged on multi-joint
On the Centralized Controller that machine is connected, the device includes：Monitoring unit, for monitoring device operational factor；
Detector unit, for carrying out fault detect according to the equipment operational factor to electric expansion valve.
That is, the present invention monitors the equipment operational factor of multi-connected machine by monitoring unit, and by detector unit according to equipment
Operational factor judges the electric expansion valve of equipment whether failure, can realize rapid-maintenance, so as to efficiently solve existing skill
Art is in electric expansion valve failure, it is impossible to the difficult problem being used for quickly detecting.
It should be noted that device of the present invention may be used on any multi-connected machine device systems, e.g., in multi-connected machine
Centre air-conditioning etc..
Further, monitoring unit described in the embodiment of the present invention is additionally operable to, at interval of first scheduled time monitoring described in set
Received shipment line parameter；Wherein, the equipment operational factor at least includes one below：Interior machine Guan Wen, environment temperature, switching on and shutting down shape
State, electric expansion valve state, switching on and shutting down time.
Specifically, because the equipment operational factor of all monitorings is required to be acquired and stores, and gather and store
The internal memory for expending Centralized Controller is required to, so considering that the present invention is spaced certain between being from Centralized Controller internal memory angle
The scheduled time is just monitored to equipment operational factor.
It should be noted that the scheduled time is spaced by the embodiment of the present invention can be set according to actual needs.
Equipment operational factor described in the embodiment of the present invention includes interior machine Guan Wen, environment temperature, on-off state, electronic expansion
The parameter such as valve state and switching on and shutting down time.
Wherein, the interior machine pipe benign environment temperature of the embodiment of the present invention can be measured by sensor, and the present invention
It is to obtain the switching on and shutting down time by on-off state, in addition, the present invention can be also used as by recorded electronic expansion valve state
A multi-connected machine electric expansion valve failure whether important parameter.
Device history operational factor described in the embodiment of the present invention is the equipment operational factor of record during equipment use,
That is, machine Guan Wen, environment temperature, on-off state, electric expansion valve state and switching on and shutting down time in during equipment usage history.
Further, detector unit described in the embodiment of the present invention further includes warning module and detection module；Wherein, in advance
According to the equipment operational factor and device history operational factor, alert module judges whether the electric expansion valve breaks down
Early warning, if it is, issuing the user with early warning information, and triggers fault detection module；Detection module is receiving the event of user
After barrier detection instruction, fault detect is carried out to the electric expansion valve.
When being embodied as, the device described in the embodiment of the present invention also includes：Warning module, is working as equipment by warning module
The σ values of operation and the σ of device history recordVValue meetsWhen, then judge that the electric expansion valve is pre- in failure
Alert state：Wherein, P values are the empirical value comprehensively drawn according to multi-connection operation and electric expansion valve probability of malfunction, according to σ values
The value that the equipment operational factor for monitoring is obtained, σVValue is the value obtained according to device history operational factor；
N is monitoring number of times, ToutFor interior machine Guan Wen, TinFor environment temperature, ToffFor the switching on and shutting down time.
That is, according to related equipment operational factor, the present invention can judge whether electric expansion valve may be deposited in advance
In failure, if just carrying out early warning, remind personnel after sale to go to and check maintenance, so as to lift maintenance efficiency.
Further, embodiment of the present invention detection module enters the inspection that line duration is T2 at interval of the second scheduled time T1
Survey, when result of calculation meetsWhen, then judge the electric expansion valve failure；Wherein, Q and P1
It is the empirical value comprehensively drawn according to machine operation and electric expansion valve probability of malfunction, N is in lasting total duration time T1
Monitoring number of times, ToutFor interior machine Guan Wen, TinFor environment temperature.
Fig. 3 is the structural representation of another kind of electric expansion valve failure detector according to embodiments of the present invention, such as Fig. 3
Shown, the device is arranged in Centralized Controller, relative to Fig. 2 in device, the device mainly by communication module, detection mould
The part such as block, warning module, computing module, display module, DBM is constituted；
Wherein, communication module is equivalent to above-mentioned monitoring unit, for realizing environment temperature, electric expansion valve state, pipe
Temperature, on-off state and the isoparametric detection of switching on and shutting down time and collection；
Computing module is used for as warning module and detection module provides various computings and algorithm is supported；
DBM realize multi-connected machine on-off state, switching on and shutting down time, electric expansion valve state and respective tube temperature and
σVIsoparametric record；
Detection module realizes being detected and determined for electric expansion valve failure, draws electric expansion valve failure whether conclusion,
And keeper is notified by display module or in modes such as mails；
Warning module judges whether early warning of breaking down according to the result of computing module, and by display module or with mail
Keeper is notified etc. mode；
Display module realizes display of electric expansion valve early warning information, fault message etc..
That is, one aspect of the present invention can judge electricity by warning module according to related equipment operational factor in advance
Whether sub- expansion valve there may be failure, if just carrying out early warning, reminds personnel after sale to go to and checks maintenance, on the other hand exist
After entering early warning, electric expansion valve whether failure can be determined by detector unit automatic detection, when the electronic expansion of determination equipment
During valve failure, triggering display unit carries out malfunction coefficient, and notifies keeper by predetermined manner, so as to lift maintenance efficiency.
System related content in the embodiment of the present invention can refer to device embodiment part and embodiment of the method part and carry out
Understand, will not be described here.
Accordingly, a kind of multi-connected machine device systems are embodiments provided, and the multi-connected machine device systems include above-mentioned
Any one described in electric expansion valve failure detector.
System related content in the embodiment of the present invention can refer to device embodiment part and embodiment of the method part and carry out
Understand, will not be described here.
Knowable in above description, equipment operational factor of the present invention by monitoring multi-connected machine, and run according to equipment
Parameter and device history operational factor are judging the electric expansion valve of equipment whether failure, that is to say, that the present invention will be by will be many
The equipment operational factor and device history operational factor of on-line equipment compares, so as to realize determining whether electric expansion valve is former in advance
Barrier, and when failure is determined, rapid-maintenance can be realized, so as to efficiently solve prior art in electric expansion valve failure,
The difficult problem that can not be used for quickly detecting.
Certainly, it is more than the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art
For, on the premise of without departing from its general principles, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (11)
1. a kind of electric expansion valve fault detection method, it is characterised in that methods described includes：
Monitoring device operational factor；
Fault detect is carried out to electric expansion valve according to the equipment operational factor.
2. electric expansion valve fault detection method according to claim 1, it is characterised in that the monitoring equipment operation ginseng
Number, specifically includes：
The equipment operational factor is monitored at interval of first scheduled time；Wherein, the equipment operational factor at least includes following
One of：Interior machine Guan Wen, environment temperature and switching on and shutting down time.
3. electric expansion valve fault detection method according to claim 2, it is characterised in that according to equipment operation ginseng
Several fault detect is carried out to electric expansion valve, including：
According to the equipment operational factor and device history operational factor, judge whether the electric expansion valve is pre- in failure
Alert state；
If it is, after the fault detect for receiving user is instructed, carrying out fault detect to the electric expansion valve.
4. electric expansion valve fault detection method according to claim 3, it is characterised in that according to equipment operation ginseng
Number and device history operational factor, judge whether the electric expansion valve is in fault pre-alarming state, including：
σ when the σ values and device history record of equipment operationVValue meetsWhen, then judge at the electric expansion valve
In fault pre-alarming state：
Wherein, P values are the empirical value comprehensively drawn according to machine operation and electric expansion valve probability of malfunction, according to σ values
The value that the equipment operational factor for monitoring is obtained, σVValue is the value obtained according to the device history operational factor；
N is monitoring number of times, ToutFor interior machine Guan Wen, TinFor environment temperature, ToffFor the switching on and shutting down time.
5. the electric expansion valve fault detection method according to right wants 3, it is characterised in that the electric expansion valve is carried out
Fault detect, including：
The equipment operational factor is monitored at interval of second scheduled time；Wherein, the lasting total duration of monitoring operation is T1；
WhenDuring establishment, then judge the electric expansion valve failure；Wherein, Q and P1According to set
The empirical value that standby ruuning situation and electric expansion valve probability of malfunction comprehensively draw, N are the monitoring time in lasting total duration time T1
Number, ToutFor interior machine Guan Wen, TinFor environment temperature.
6. a kind of electric expansion valve failure detector, it is characterised in that described device includes：
Monitoring unit, for monitoring device operational factor；
Detector unit, for carrying out fault detect according to the equipment operational factor to electric expansion valve.
7. electric expansion valve failure detector according to claim 6, it is characterised in that
The monitoring unit is additionally operable to, and monitors the equipment operational factor at interval of first scheduled time；Wherein, the equipment fortune
Line parameter at least includes one below：Interior machine Guan Wen, environment temperature and switching on and shutting down time.
8. electric expansion valve failure detector according to claim 7, it is characterised in that the detector unit is further
Including warning module and detection module；
The warning module, for according to the equipment operational factor and device history operational factor, judging that the electronics is swollen
Whether swollen valve is in fault pre-alarming state, if it is, triggering fault detection module；
The detection module, after instructing in the fault detect for receiving user, carries out failure inspection to the electric expansion valve
Survey.
9. electric expansion valve failure detector according to claim 8, it is characterised in that
The warning module is additionally operable to, as the σ of the σ values and device history record of equipment operationVValue meetsWhen, then
Judge that the electric expansion valve is in fault pre-alarming state：Wherein, P values are according to machine operation and electric expansion valve failure
The empirical value that Probabilistic Synthesis draw, the value that the equipment operational factor monitored according to σ values is obtained, σVValue is according to described
The value that device history operational factor is obtained；
N is monitoring number of times, ToutFor interior machine Guan Wen, TinFor environment temperature, ToffFor the switching on and shutting down time.
10. the electric expansion valve failure detector according to right wants 8, it is characterised in that
The detection module, for monitoring the equipment operational factor at interval of second scheduled time；Wherein, what monitoring was operated holds
Continuous total duration is T1, whenDuring establishment, then judge the electric expansion valve failure；
Wherein, Q and P1It is the empirical value comprehensively drawn according to machine operation and electric expansion valve probability of malfunction, N is always to continue
When long-time T1 in monitoring number of times, ToutFor interior machine Guan Wen, TinFor environment temperature.
11. a kind of multi-connected machine device systems, it is characterised in that include：Electronics in claim 6-10 described in any one is swollen
Swollen valve failure detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610817850.XA CN106500238B (en) | 2016-09-12 | 2016-09-12 | Electric expansion valve fault detection method, device and multi-connected machine device systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610817850.XA CN106500238B (en) | 2016-09-12 | 2016-09-12 | Electric expansion valve fault detection method, device and multi-connected machine device systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106500238A true CN106500238A (en) | 2017-03-15 |
| CN106500238B CN106500238B (en) | 2019-06-14 |
Family
ID=58290053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610817850.XA Active CN106500238B (en) | 2016-09-12 | 2016-09-12 | Electric expansion valve fault detection method, device and multi-connected machine device systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106500238B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152751A (en) * | 2017-04-21 | 2017-09-12 | 广东美的暖通设备有限公司 | Electric expansion valve fault detection method, air-conditioning and computer-readable recording medium |
| CN107631407A (en) * | 2017-09-11 | 2018-01-26 | 广东美的暖通设备有限公司 | The wiring faults detection method and device of air conditioner, air conditioner |
| CN109708248A (en) * | 2018-12-29 | 2019-05-03 | 广东美的暖通设备有限公司 | The valve body abatement detecting method and air-conditioning system of air-conditioning system |
| CN110081555A (en) * | 2019-05-07 | 2019-08-02 | 珠海格力电器股份有限公司 | Air conditioning control method and device with electronic expansion valve opening regulatory function |
| CN110500685A (en) * | 2019-09-02 | 2019-11-26 | 珠海格力电器股份有限公司 | The control method of air-conditioning system and air-conditioning system |
| CN110986268A (en) * | 2019-11-12 | 2020-04-10 | 青岛海尔空调器有限总公司 | Method for detecting and controlling dislocation of expansion valve of multi-split air conditioner under refrigeration working condition |
| CN111425986A (en) * | 2020-04-07 | 2020-07-17 | 广东美的暖通设备有限公司 | Indoor unit of air conditioner, control method, air conditioner and readable storage medium |
| CN111765593A (en) * | 2020-07-07 | 2020-10-13 | 珠海格力电器股份有限公司 | Air conditioner throttling component fault early warning method and air conditioner |
| CN113660831A (en) * | 2021-08-06 | 2021-11-16 | 珠海格力电器股份有限公司 | Heat dissipation system, air conditioning unit and air conditioning unit control method |
| WO2023197711A1 (en) * | 2022-04-11 | 2023-10-19 | 青岛海信日立空调系统有限公司 | Multi-split air-conditioning system, fault positioning method, and fault diagnosis model training method |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000274896A (en) * | 1999-03-24 | 2000-10-06 | Tokyo Gas Co Ltd | Method for sensing abnormality of expansion valve and air conditioner |
| JP2002071188A (en) * | 2000-08-30 | 2002-03-08 | Mitsubishi Electric Building Techno Service Co Ltd | Abnormal heating medium supply detection apparatus |
| JP4762797B2 (en) * | 2006-06-12 | 2011-08-31 | 三菱電機ビルテクノサービス株式会社 | Multi-type air conditioning system |
| CN102354206A (en) * | 2011-07-25 | 2012-02-15 | 山东建筑大学 | System and method for diagnosing air conditioner failure based on data fusion in internet-of-things environment |
| JP4930353B2 (en) * | 2007-12-05 | 2012-05-16 | 富士電機株式会社 | Cooling system |
| CN102748832A (en) * | 2012-06-07 | 2012-10-24 | 宁波奥克斯电气有限公司 | Air conditioning fault detection method |
| CN103423835A (en) * | 2012-04-24 | 2013-12-04 | 杭州三花研究院有限公司 | Control method of vehicle air-conditioning system and vehicle air-conditioning system |
| CN103499460A (en) * | 2013-09-29 | 2014-01-08 | 宜春市脉恩多能科技有限公司 | Fault diagnosis method for air-conditioner |
| CN103792103A (en) * | 2014-01-21 | 2014-05-14 | 宁波奥克斯电气有限公司 | Testing method of multi-connecting type air conditioning unit |
| CN104122463A (en) * | 2014-07-16 | 2014-10-29 | 珠海格力电器股份有限公司 | Method and system for detecting electronic expansion valve |
| CN104482638A (en) * | 2014-12-09 | 2015-04-01 | 广东美的制冷设备有限公司 | Air conditioner and fault detection method for electronic expansion valve of air conditioner |
| CN104930659A (en) * | 2015-06-24 | 2015-09-23 | 海信（山东）空调有限公司 | Air conditioner running state detection method and system |
| CN105066322A (en) * | 2015-07-10 | 2015-11-18 | 珠海格力电器股份有限公司 | Air conditioner and fault early-warning method and device thereof |
| CN105485869A (en) * | 2016-01-04 | 2016-04-13 | 广东美的暖通设备有限公司 | Electronic expansion valve fault detection method and device |
-
2016
- 2016-09-12 CN CN201610817850.XA patent/CN106500238B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000274896A (en) * | 1999-03-24 | 2000-10-06 | Tokyo Gas Co Ltd | Method for sensing abnormality of expansion valve and air conditioner |
| JP2002071188A (en) * | 2000-08-30 | 2002-03-08 | Mitsubishi Electric Building Techno Service Co Ltd | Abnormal heating medium supply detection apparatus |
| JP4762797B2 (en) * | 2006-06-12 | 2011-08-31 | 三菱電機ビルテクノサービス株式会社 | Multi-type air conditioning system |
| JP4930353B2 (en) * | 2007-12-05 | 2012-05-16 | 富士電機株式会社 | Cooling system |
| CN102354206A (en) * | 2011-07-25 | 2012-02-15 | 山东建筑大学 | System and method for diagnosing air conditioner failure based on data fusion in internet-of-things environment |
| CN103423835A (en) * | 2012-04-24 | 2013-12-04 | 杭州三花研究院有限公司 | Control method of vehicle air-conditioning system and vehicle air-conditioning system |
| CN102748832A (en) * | 2012-06-07 | 2012-10-24 | 宁波奥克斯电气有限公司 | Air conditioning fault detection method |
| CN103499460A (en) * | 2013-09-29 | 2014-01-08 | 宜春市脉恩多能科技有限公司 | Fault diagnosis method for air-conditioner |
| CN103792103A (en) * | 2014-01-21 | 2014-05-14 | 宁波奥克斯电气有限公司 | Testing method of multi-connecting type air conditioning unit |
| CN104122463A (en) * | 2014-07-16 | 2014-10-29 | 珠海格力电器股份有限公司 | Method and system for detecting electronic expansion valve |
| CN104482638A (en) * | 2014-12-09 | 2015-04-01 | 广东美的制冷设备有限公司 | Air conditioner and fault detection method for electronic expansion valve of air conditioner |
| CN104930659A (en) * | 2015-06-24 | 2015-09-23 | 海信（山东）空调有限公司 | Air conditioner running state detection method and system |
| CN105066322A (en) * | 2015-07-10 | 2015-11-18 | 珠海格力电器股份有限公司 | Air conditioner and fault early-warning method and device thereof |
| CN105485869A (en) * | 2016-01-04 | 2016-04-13 | 广东美的暖通设备有限公司 | Electronic expansion valve fault detection method and device |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152751A (en) * | 2017-04-21 | 2017-09-12 | 广东美的暖通设备有限公司 | Electric expansion valve fault detection method, air-conditioning and computer-readable recording medium |
| CN107152751B (en) * | 2017-04-21 | 2019-10-25 | 广东美的暖通设备有限公司 | Electric expansion valve fault detection method, air-conditioning and computer readable storage medium |
| CN107631407A (en) * | 2017-09-11 | 2018-01-26 | 广东美的暖通设备有限公司 | The wiring faults detection method and device of air conditioner, air conditioner |
| CN107631407B (en) * | 2017-09-11 | 2019-11-22 | 广东美的暖通设备有限公司 | The wiring faults detection method and device of air conditioner, air conditioner |
| CN109708248A (en) * | 2018-12-29 | 2019-05-03 | 广东美的暖通设备有限公司 | The valve body abatement detecting method and air-conditioning system of air-conditioning system |
| CN110081555A (en) * | 2019-05-07 | 2019-08-02 | 珠海格力电器股份有限公司 | Air conditioning control method and device with electronic expansion valve opening regulatory function |
| CN110500685A (en) * | 2019-09-02 | 2019-11-26 | 珠海格力电器股份有限公司 | The control method of air-conditioning system and air-conditioning system |
| CN110986268A (en) * | 2019-11-12 | 2020-04-10 | 青岛海尔空调器有限总公司 | Method for detecting and controlling dislocation of expansion valve of multi-split air conditioner under refrigeration working condition |
| CN111425986A (en) * | 2020-04-07 | 2020-07-17 | 广东美的暖通设备有限公司 | Indoor unit of air conditioner, control method, air conditioner and readable storage medium |
| CN111765593A (en) * | 2020-07-07 | 2020-10-13 | 珠海格力电器股份有限公司 | Air conditioner throttling component fault early warning method and air conditioner |
| CN113660831A (en) * | 2021-08-06 | 2021-11-16 | 珠海格力电器股份有限公司 | Heat dissipation system, air conditioning unit and air conditioning unit control method |
| WO2023197711A1 (en) * | 2022-04-11 | 2023-10-19 | 青岛海信日立空调系统有限公司 | Multi-split air-conditioning system, fault positioning method, and fault diagnosis model training method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106500238B (en) | 2019-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106500238A (en) | Electric expansion valve fault detection method, device and multi-connected machine device systems | |
| US7779467B2 (en) | N grouping of traffic and pattern-free internet worm response system and method using N grouping of traffic | |
| CN105004492B (en) | The detection method and device of air-conditioner set refrigerant leakage | |
| EP2336796A1 (en) | Battery monitoring system | |
| CN106371052A (en) | Safety monitoring method, device and system for intelligent electric meter | |
| CN101582195B (en) | Method for generating alarm in dynamic environment monitoring system | |
| CN109539473A (en) | The fault type of air-conditioning system determines method, electronic equipment | |
| CN106372735A (en) | Relay protection state evaluation method | |
| KR101989962B1 (en) | Integrated management server and building management system using the same | |
| CN107062559A (en) | A kind of air conditioner lacks fluorine detection method, device and air-conditioning system | |
| CN107575996A (en) | Hospital's air conditioner in machine room unit self checking method and device | |
| CN106909189A (en) | A kind of method and system for monitoring transport indoor environment | |
| US11934522B2 (en) | System and method for detecting malicious activities and anomalies in building systems | |
| CN113763667A (en) | Fire early warning and state monitoring device and method based on 5G edge calculation | |
| CN108872780A (en) | Charge livewire work detection, system and the terminal device reconnoitred | |
| CN111666652A (en) | Steam heating network steam trap inspection emission operation scheduling method and operation scheduling system | |
| CN108535033A (en) | Virtual-sensor and its health monitoring intelligent decision system | |
| CN207502579U (en) | A kind of electric energy meter and unit-area management system | |
| CN109784712A (en) | Lightning protection real-time monitoring and risk Prediction System and method based on Internet of Things | |
| CN114994565A (en) | Electrical cabinet water and electricity leakage prevention alarm system | |
| CN107180390A (en) | Equipment for data processing | |
| CN113179388A (en) | Internet of things-based impact detection method and system | |
| CN113240864A (en) | Intelligent management system and method for car washer | |
| CN112351108A (en) | Real-time monitoring system suitable for ice rink | |
| CN112579665A (en) | Energy equipment control method and device and energy equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |