CN105066368A - Fault monitoring device and method, air conditioning unit and air conditioner - Google Patents
Fault monitoring device and method, air conditioning unit and air conditioner Download PDFInfo
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- CN105066368A CN105066368A CN201510556545.5A CN201510556545A CN105066368A CN 105066368 A CN105066368 A CN 105066368A CN 201510556545 A CN201510556545 A CN 201510556545A CN 105066368 A CN105066368 A CN 105066368A
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000012806 monitoring device Methods 0.000 title claims abstract description 19
- 238000004378 air conditioning Methods 0.000 title claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims description 20
- 238000003331 infrared imaging Methods 0.000 claims description 11
- 238000013024 troubleshooting Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000010191 image analysis Methods 0.000 claims description 6
- 230000002265 prevention Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000001931 thermography Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
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- 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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- 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
- F24F11/32—Responding to malfunctions or emergencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a fault monitoring device and method, an air conditioning unit and an air conditioner. The temperature detector detects the current temperature value of each component in the unit in real time, the early warning controller judges whether an early warning component exists according to the detection result, if the early warning component exists, early warning processing is carried out, and the current temperature value of the early warning component is larger than the corresponding upper temperature limit. By detecting the current temperature of each component, early warning processing is carried out when the current temperature of the component exceeds a corresponding temperature threshold, so that passive fault processing can be converted into active fault prevention.
Description
Technical field
The present invention relates to control field, particularly a kind of failure monitoring device and method, air-conditioner set and air-conditioning.
Background technology
Current central air-conditioning large-sized unit electric-controlled parts, often due to factors such as short circuit, overload or continuous high temperature work, causes parts finally to damage, and cannot recover.In addition, the connection wire that current electric cabinet adopts also may select little due to wire diameter or resistance is excessive, causes constant temperature to raise, finally causes wire rod heat too high until burn.And cause the omen of these faults to be exactly often abnormal high temperature.
In order to overcome this defect, existing in the prior art at present and carrying out safe early warning by the mode of temperature sensor detection unit temperature.But the operating temperature of different parts is different in the unit, the operating temperature of such as first component is 50 degree, and the operating temperature of second component is 40 degree.If temperature sensor detects that unit temperature reaches 50 degree, it is the temperature of first component when normally working that None-identified goes out this, or temperature when second component occurs abnormal.Thus effective early warning protection cannot be realized.
Summary of the invention
The embodiment of the present invention provides a kind of failure monitoring device and method, air-conditioner set and air-conditioning.By detecting the temperature of each parts, thus realize effective early warning protection.
According to an aspect of the present invention, provide a kind of failure monitoring device, comprise temperature detector and early warning controller, wherein:
Temperature detector, for detecting the temperature value that in unit, each parts are current in real time, and sends to early warning controller by testing result;
Early warning controller, for after receiving testing result, judge whether to there are early warning parts, wherein the current temperature value of early warning parts is greater than the temperature upper limit of self correspondence, if there are early warning parts, then carries out early warning process.
In one embodiment, temperature detection implement body comprises infrared imaging unit and image analysis unit, wherein:
Infrared imaging unit, for the infrared image of Real-time Obtaining unit inside;
Image analysis unit, for resolving the infrared image obtained, to obtain the temperature value of specified coordinate in infrared image, according to the coordinate information of each parts in infrared image, determines the temperature value that each parts are current.
In one embodiment, early warning controller is also for for each parts, inquire about the temperature upper limit of self correspondence of these parts, judge whether the current temperature value of these parts is greater than the temperature upper limit of self correspondence, if the current temperature value of these parts is greater than the temperature upper limit of self correspondence, then judge that these parts are early warning parts.
In one embodiment, early warning controller also for when there are early warning parts, judges whether to there is trouble unit further in early warning parts, and n the continuous temperature value that wherein trouble unit is nearest is all greater than the temperature upper limit of self correspondence, if there is trouble unit, then carry out troubleshooting.
In one embodiment, said apparatus also comprises electric controller, wherein:
Forewarn implement body is when carrying out troubleshooting, and instruction electric controller carries out power operation;
Electric controller, carries out power operation for the instruction according to early warning controller.
In one embodiment, early warning controller is also for carrying out early warning process when there is not trouble unit.
In one embodiment, said apparatus also comprises alarm, wherein:
Forewarn implement body is when carrying out early warning process, and indicating alarm is reported to the police;
Alarm, reports to the police for the instruction according to early warning controller.
In one embodiment, early warning controller, also for after receiving testing result, records the current temperature value of each parts.
According to a further aspect in the invention, provide a kind of air-conditioner set, comprise the failure monitoring device that above-mentioned any embodiment relates to.
According to a further aspect in the invention, provide a kind of air-conditioning, comprise the failure monitoring device that above-mentioned any embodiment relates to.
According to a further aspect in the invention, a kind of failure monitoring method is provided, comprises:
Temperature detector detects the temperature value that in unit, each parts are current in real time, and testing result is sent to early warning controller;
After early warning controller receives testing result, judge whether to there are early warning parts, wherein the current temperature value of early warning parts is greater than the temperature upper limit of self correspondence;
If there are early warning parts, then carry out early warning process.
In one embodiment, the step that temperature detector detects the temperature value that each parts are current in unit in real time comprises:
The infrared image of Real-time Obtaining unit inside;
The infrared image obtained is resolved, to obtain the temperature value of specified coordinate in infrared image;
According to the coordinate information of each parts in infrared image, determine the temperature value that each parts are current.
In one embodiment, judge whether that the step that there are early warning parts comprises:
For each parts, inquire about the temperature upper limit of self correspondence of these parts;
Judge whether the current temperature value of these parts is greater than the temperature upper limit of self correspondence;
If the current temperature value of these parts is greater than the temperature upper limit of self correspondence, then judge that these parts are early warning parts.
In one embodiment, if there are early warning parts, then the step of carrying out early warning process comprises:
If there are early warning parts, then in early warning parts, judge whether to there is trouble unit further, n the continuous temperature value that wherein trouble unit is nearest is all greater than the temperature upper limit of self correspondence;
If there is trouble unit, then carry out troubleshooting.
In one embodiment, the step of carrying out troubleshooting comprises:
Instruction electric controller carries out power operation.
In one embodiment, if there is not trouble unit, then carry out early warning process.
In one embodiment, the step of carrying out early warning process comprises:
Indicating alarm is reported to the police.
In one embodiment, after early warning controller receives testing result, also comprise:
Record the current temperature value of each parts.
The present invention, by detecting the current temperature of each parts, carries out early warning process when parts Current Temperatures exceedes corresponding temperature threshold, thus can occur by trouble saving on one's own initiative.
Description of the invention provides in order to example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of a failure monitoring device of the present invention embodiment.
Fig. 2 is the schematic diagram of a temperature detector of the present invention embodiment.
Fig. 3 is infrared imaging schematic diagram.
Fig. 4 is the schematic diagram of another embodiment of failure monitoring device of the present invention.
Fig. 5 is the schematic diagram of a failure monitoring method of the present invention embodiment.
Fig. 6 is the schematic diagram of another embodiment of failure monitoring method of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit the scope of the invention.
Meanwhile, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not draw according to the proportionate relationship of reality.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part of authorizing description.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
Fig. 1 is the schematic diagram of a failure monitoring device of the present invention embodiment.As shown in Figure 1, failure monitoring device can comprise temperature detector 101 and early warning controller 102.Wherein:
Temperature detector 101, for detecting the temperature value that in unit, each parts are current in real time, and sends to early warning controller 102 by testing result.
Early warning controller 102, for after receiving testing result, judge whether to there are early warning parts, wherein the current temperature value of early warning parts is greater than the temperature upper limit of self correspondence, if there are early warning parts, then carries out early warning process.
Preferably, early warning controller, for each parts, inquires about the temperature upper limit of self correspondence of these parts, judges whether the current temperature value of these parts is greater than the temperature upper limit of self correspondence, if the current temperature value of these parts is greater than the temperature upper limit of self correspondence, then judge that these parts are early warning parts.
Based on the failure monitoring device that the above embodiment of the present invention provides, by detecting the current temperature of each parts, carry out early warning process when parts Current Temperatures exceedes corresponding temperature threshold, thus can occur by trouble saving on one's own initiative.
Fig. 2 is the schematic diagram of a temperature detector of the present invention embodiment.As shown in Figure 2, temperature detector 101 can comprise infrared imaging unit 201 and image analysis unit 202.Wherein:
Infrared imaging unit 201, for the infrared image of Real-time Obtaining unit inside.
Image analysis unit 202, for resolving the infrared image obtained, to obtain the temperature value of specified coordinate in infrared image, according to the coordinate information of each parts in infrared image, determines the temperature value that each parts are current.And the relevant temperature information of acquisition is sent to early warning controller.
Because infrared imaging unit is hard-wired, therefore the position of each parts in infrared image is fixing, just can obtain the position of corresponding component in infrared image by coordinate.Simultaneously by infrared imaging mode, not only can obtain the temperature of large-size parts in unit, the temperature of the parts such as the less contact of size, switch, clamp sleeve can also be obtained.An exemplary infrared image as shown in Figure 3.
Preferably, early warning controller, also for after receiving testing result, records the current temperature value of each parts.To be gathered by the temperature information of each parts for temperature curve, by carrying out Macro or mass analysis to the curve of each parts, the optimization and upgrading of follow-up unit can be conducive to.
Fig. 4 is the schematic diagram of another embodiment of failure monitoring device of the present invention.Compared with embodiment illustrated in fig. 1, in the embodiment shown in fig. 4, electric controller 103 and alarm 104 is also comprised further.
Wherein, early warning controller 102 also for when there are early warning parts, judges whether to there is trouble unit further in early warning parts, and n the continuous temperature value that wherein trouble unit is nearest is all greater than the temperature upper limit of self correspondence.If there is trouble unit, then carry out troubleshooting.If there is not trouble unit, then carry out early warning process.
Preferably, early warning controller 102 is specifically when carrying out troubleshooting, and instruction electric controller 103 carries out power operation.Electric controller 103 carries out power operation according to the instruction of early warning controller 102.Certainly, now also can report to the police by indicating alarm 104.
Preferably, early warning controller 102 is specifically when carrying out early warning process, and indicating alarm 104 is reported to the police.Alarm 104 is reported to the police according to the instruction of early warning controller.Alarm can be buzzer, warning lamp or other similar devices, points out user by utilizing light, sound.
That is; temperature is exceeded to the parts of corresponding predetermined threshold, also need to judge whether these parts all occur the situation of temperature anomaly in nearest one period of continuous time further, if the constant temperature of these parts is abnormal; then show to there is larger security risk, now carry out power-off protection.If be not that constant temperature is abnormal, then without the need to carrying out power-off protection, carry out reporting to the police.
The invention still further relates to a kind of air-conditioner set, wherein this air-conditioner set comprises the failure monitoring device that above-mentioned any embodiment relates to.
The invention still further relates to a kind of air-conditioning, wherein this air-conditioning comprises the failure monitoring device that above-mentioned any embodiment relates to.
Fig. 5 is the schematic diagram of a failure monitoring method of the present invention embodiment.As shown in Figure 5, the method step of the present embodiment is as follows:
Step 501, temperature detector detects the temperature value that in unit, each parts are current in real time, and testing result is sent to early warning controller.
Step 502, after early warning controller receives testing result, judge whether to there are early warning parts, wherein the current temperature value of early warning parts is greater than the temperature upper limit of self correspondence.
Preferably, for each parts, inquire about the temperature upper limit of self correspondence of these parts.Judge whether the current temperature value of these parts is greater than the temperature upper limit of self correspondence, if the current temperature value of these parts is greater than the temperature upper limit of self correspondence, then judge that these parts are early warning parts.
Step 503, if there are early warning parts, then carries out early warning process.
Based on the failure monitoring method that the above embodiment of the present invention provides, by detecting the current temperature of each parts, carry out early warning process when parts Current Temperatures exceedes corresponding temperature threshold, thus can occur by trouble saving on one's own initiative.
Preferably, the step that said temperature detector detects the temperature value that each parts are current in unit in real time can comprise:
The infrared image of Real-time Obtaining unit inside; The infrared image obtained is resolved, to obtain the temperature value of specified coordinate in infrared image; According to the coordinate information of each parts in infrared image, determine the temperature value that each parts are current.
By the mode of infrared imaging, the temperature of each parts in unit can be obtained,
Preferably, after early warning controller receives testing result, also record the current temperature value of each parts.
By recording the current temperature value of each parts, to gather for temperature curve by the temperature information of each parts, the optimization and upgrading of follow-up unit can be conducive to.
Fig. 6 is the schematic diagram of another embodiment of failure monitoring method of the present invention.Wherein the process carried out according to the testing result that temperature detector provides of early warning controller is as follows:
Step 601, early warning controller receives the real-time testing result that temperature detector sends.
Step 602, early warning controller judges whether to there are early warning parts, and wherein the current temperature value of early warning parts is greater than the temperature upper limit of self correspondence.If there are not early warning parts, then return step 601.If there are early warning parts, then perform step 603.
Step 603, judges whether to there is trouble unit further in early warning parts, and n the continuous temperature value that wherein trouble unit is nearest is all greater than the temperature upper limit of self correspondence.If there is trouble unit, then enter step 604; If there is not trouble unit, then enter step 605.
Step 604, carries out troubleshooting.Such as indicate electric controller to carry out power operation, or go back indicating alarm simultaneously and report to the police.No longer perform other step of the present embodiment afterwards.
Step 605, carries out early warning process.Such as indicating alarm is reported to the police.
That is, if there are the parts of constant temperature exception, then stoppage protection is carried out; If only occur, indivedual temperature exceedes the parts of thresholding, then report to the police, thus can process accordingly according to different situations.
By implementing the present invention, following beneficial effect can be obtained.
1, the passive situation just can pinpointed the problems after current unit only has component break down is solved;
2, by passive handling failure, initiatively trouble saving is converted into;
3, by detecting the thermal imaging point of all parts point constantly, gather for thermal imaging curve, by the Macro or mass analysis to all parts curve, so that the optimization and upgrading of follow-up unit;
4, detected by infrared imaging, unit temperature can be detected in real time whether normal with heat radiation;
5, the abnormal heat spot that contact, switch, clamp sleeve etc. in unit occur due to reasons such as loose contact, corrosion or internal abnormality can be detected in real time;
6, the quality of the quality of power supply can be detected in real time, avoid the electrical network quality of power supply caused due to overload, three-phase imbalance to decline, avoid causing device damage and power grid accident thus.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be read-only storage, disk or CD etc.
Claims (18)
1. a failure monitoring device, is characterized in that, comprises temperature detector and early warning controller, wherein:
Temperature detector, for detecting the temperature value that in unit, each parts are current in real time, and sends to early warning controller by testing result;
Early warning controller, for after receiving testing result, judge whether to there are early warning parts, wherein the current temperature value of early warning parts is greater than the temperature upper limit of self correspondence, if there are early warning parts, then carries out early warning process.
2. device according to claim 1, is characterized in that,
Temperature detection implement body comprises infrared imaging unit and image analysis unit, wherein:
Infrared imaging unit, for the infrared image of Real-time Obtaining unit inside;
Image analysis unit, for resolving the infrared image obtained, to obtain the temperature value of specified coordinate in infrared image, according to the coordinate information of each parts in infrared image, determines the temperature value that each parts are current.
3. device according to claim 1, is characterized in that,
Early warning controller is also for for each parts, inquire about the temperature upper limit of self correspondence of these parts, judge whether the current temperature value of these parts is greater than the temperature upper limit of self correspondence, if the current temperature value of these parts is greater than the temperature upper limit of self correspondence, then judge that these parts are early warning parts.
4. the device according to any one of claim 1-3, is characterized in that,
Early warning controller also for when there are early warning parts, judges whether to there is trouble unit further in early warning parts, and n the continuous temperature value that wherein trouble unit is nearest is all greater than the temperature upper limit of self correspondence, if there is trouble unit, then carries out troubleshooting.
5. device according to claim 4, is characterized in that, also comprises electric controller, wherein:
Forewarn implement body is when carrying out troubleshooting, and instruction electric controller carries out power operation; Electric controller, carries out power operation for the instruction according to early warning controller.
6. device according to claim 4, is characterized in that,
Early warning controller is also for carrying out early warning process when there is not trouble unit.
7. device according to claim 6, is characterized in that, also comprises alarm, wherein:
Forewarn implement body is when carrying out early warning process, and indicating alarm is reported to the police;
Alarm, reports to the police for the instruction according to early warning controller.
8. the device according to any one of claim 1-3, is characterized in that,
Early warning controller, also for after receiving testing result, records the current temperature value of each parts.
9. an air-conditioner set, is characterized in that, comprises the failure monitoring device according to any one of claim 1-8.
10. an air-conditioning, is characterized in that, comprises the failure monitoring device according to any one of claim 1-8.
11. 1 kinds of failure monitoring methods, is characterized in that, comprising:
Temperature detector detects the temperature value that in unit, each parts are current in real time, and testing result is sent to early warning controller;
After early warning controller receives testing result, judge whether to there are early warning parts, wherein the current temperature value of early warning parts is greater than the temperature upper limit of self correspondence;
If there are early warning parts, then carry out early warning process.
12. methods according to claim 11, is characterized in that,
The step that temperature detector detects the temperature value that each parts are current in unit in real time comprises:
The infrared image of Real-time Obtaining unit inside;
The infrared image obtained is resolved, to obtain the temperature value of specified coordinate in infrared image;
According to the coordinate information of each parts in infrared image, determine the temperature value that each parts are current.
13. methods according to claim 11, is characterized in that,
Judge whether that the step that there are early warning parts comprises:
For each parts, inquire about the temperature upper limit of self correspondence of these parts;
Judge whether the current temperature value of these parts is greater than the temperature upper limit of self correspondence;
If the current temperature value of these parts is greater than the temperature upper limit of self correspondence, then judge that these parts are early warning parts.
14. methods according to any one of claim 11-13, is characterized in that,
If there are early warning parts, then the step of carrying out early warning process comprises:
If there are early warning parts, then in early warning parts, judge whether to there is trouble unit further, n the continuous temperature value that wherein trouble unit is nearest is all greater than the temperature upper limit of self correspondence;
If there is trouble unit, then carry out troubleshooting.
15. methods according to claim 14, is characterized in that,
The step of carrying out troubleshooting comprises:
Instruction electric controller carries out power operation.
16. methods according to claim 14, is characterized in that,
If there is not trouble unit, then carry out early warning process.
17. methods according to claim 16, is characterized in that,
The step of carrying out early warning process comprises:
Indicating alarm is reported to the police.
18. methods according to any one of claim 11-13, is characterized in that,
After early warning controller receives testing result, also comprise:
Record the current temperature value of each parts.
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CN114670603A (en) * | 2022-01-27 | 2022-06-28 | 北京新能源汽车股份有限公司 | Heater dry burning prevention control method and device based on multiple sensors |
CN114670603B (en) * | 2022-01-27 | 2024-06-18 | 北京新能源汽车股份有限公司 | Multi-sensor-based heater dry heating prevention control method and device |
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