CN105332902A - Compressor relay adhesion protection method, compressor relay adhesion protection device and air conditioner - Google Patents
Compressor relay adhesion protection method, compressor relay adhesion protection device and air conditioner Download PDFInfo
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- CN105332902A CN105332902A CN201510875090.3A CN201510875090A CN105332902A CN 105332902 A CN105332902 A CN 105332902A CN 201510875090 A CN201510875090 A CN 201510875090A CN 105332902 A CN105332902 A CN 105332902A
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- electric current
- temperature
- adhesion
- compressor
- compressor relay
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/10—Other safety measures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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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
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
Abstract
The invention discloses a compressor relay adhesion protection method, a compressor relay adhesion protection device and an air conditioner. The method comprises the steps that after a system to which a compressor relay belongs is shut down, electric current and a temperature of the system are acquired; based on the acquired electric current and temperature, an adhesion failure of the compressor relay is prejudged and a corresponding prejudgment result is obtained; and based on the prejudgment result, when the compressor relay is adhered, adhesion protection is carried out on the system. With the adoption of the scheme, the defects in the prior art that the protection effectiveness is poor, the reliability is low and potential safety hazards are great can be overcome, and the benefits of good protection effectiveness, high reliability and small potential safety hazards are realized.
Description
Technical field
The present invention relates to Compressor Technology field, particularly, relate to a kind of compressor relay adhesion guard method, device and air-conditioning.
Background technique
At present, more existing compressor protection technology on the market, such as: compressor high voltage protective, its mode of operation is, when find system pressure too high or overheated time, disconnect the relay controlling compressor, thus turn off compressor.This protected-type, when system pressure reaches predetermined threshold value, can carry out corresponding protective action by disconnecting relay to compressor.
But this protected-type, need to turn off compressor, such compressor is just in non-effective state, cannot normally work.And want available protecting compressor, must ensure compressor relay effective action and failsafe, visible this protected-type cannot reach this effect.
In addition, during real work, when compressor relay adhesion, compressor high voltage protective lost efficacy, and there is severe compromise.
In prior art, there is the defects such as protection validity is poor, reliability is low, potential safety hazard is large.
Summary of the invention
The object of the invention is to; for above-mentioned defect; a kind of compressor relay adhesion guard method, device and air-conditioning are proposed; adhesion anticipation is carried out by electric current under off-mode and temperature detection to solve; judge adhesion situation more accurately and control corresponding load action, promoting reliability, reducing the problem of potential safety hazard.
One aspect of the present invention provides a kind of compressor relay adhesion guard method, comprising: a kind of compressor relay adhesion guard method, comprising: after described compressor relay said system shutdown, gather electric current and the temperature of described system; Based on the described electric current collected and temperature, anticipation is carried out to the fault of described compressor relay adhesion, obtain corresponding anticipation result; Based on described anticipation result, when described compressor relay adhesion, adhesion protection is carried out to described system.
Preferably, gather electric current and the temperature of described system, specifically: after described system closedown, under the control of described system master controller after time delay preset duration, then carry out the electric current of described system and the collection of temperature.
Wherein, gather electric current and the temperature of described system, comprising: gather described compressor relay output end current, and, gather described compressor loop electric current; And, gather described compressor outer shroud temperature and compressor outer tube temperature, obtain corresponding temperature gap.
Particularly, gather described compressor loop electric current, comprising: by setting up sampling resistor at described compressor loop, and detect the voltage at described sampling resistor two ends, obtain the electric current flowing through described sampling resistor.
Wherein, based on the described electric current collected and temperature, anticipation is carried out to the fault of described compressor relay adhesion, comprising: judge whether described compressor relay output end current is greater than described compressor loop electric current, and judge whether described temperature gap is greater than preset temperature threshold value; And, when described compressor relay output end current is greater than described compressor loop electric current and described temperature gap is greater than preset temperature threshold value, determine described compressor relay adhesion.
Wherein, adhesion protection is carried out to described system, comprising: under the control of described system master controller, open inner blower and/or outer blower fan, be in normal value to maintain described system pressure; And, under the control of described system master controller, reported to the police by the alarm starting speech form, safeguard in time to point out user.
Particularly, described alarm, comprising: the buzzer that described system carries and/or the auxiliary buzzer arranged.
Match with said method, the present invention provides a kind of compressor relay adhesion protective gear on the other hand, comprising: information acquisition unit, for after described compressor relay said system shutdown, gathers electric current and the temperature of described system; Adhesion anticipation unit, for based on the described electric current collected and temperature, carries out anticipation to the fault of described compressor relay adhesion, obtains corresponding anticipation result; Adhesion protected location, for based on described anticipation result, when described compressor relay adhesion, carries out adhesion protection to described system.
Preferably, information acquisition unit gathers electric current and the temperature of described system, specifically: after described system closedown, under the control of described system master controller after time delay preset duration, then carries out the electric current of described system and the collection of temperature.
Wherein, information acquisition unit, comprising: current acquisition module, for gathering described compressor relay output end current, and, for gathering described compressor loop electric current; And temperature collect module, for gathering described compressor outer shroud temperature and compressor outer tube temperature, obtains corresponding temperature gap.
Particularly, compressor loop electric current described in current acquisition module acquires, comprising: set up sampling resistor at described compressor loop, for detecting the voltage at described sampling resistor two ends, obtains the electric current flowing through described sampling resistor.
Wherein, adhesion anticipation unit, comprising: electric current judge module, for judging whether described compressor relay output end current is greater than described compressor loop electric current; Temperature judge module, for judging whether described temperature gap is greater than preset temperature threshold value; Adhesion determination module, for when described compressor relay output end current is greater than described compressor loop electric current and described temperature gap is greater than preset temperature threshold value, determines described compressor relay adhesion.
Wherein, adhesion protected location, comprising: pressure protect module, under the control of described system master controller, opens inner blower and/or outer blower fan, is in normal value to maintain described system pressure; And alarm module, under the control of described system master controller, is reported to the police by the alarm starting speech form, safeguards in time to point out user.
Particularly, described alarm, comprising: the buzzer that described system carries and/or the auxiliary buzzer arranged.
Match with said apparatus, further aspect of the present invention provides a kind of air-conditioning, comprising: above-described device.
The solution of the present invention, by detecting the electric current of compressor relay output end under off-mode, judge compressor relay whether adhesion, and make related load action when adhesion, logic simple possible, versatility is good.
Further, the solution of the present invention, by hardware increases sampling resistor at compressor loop, without changing greatly, hardware cost is low; Compensate for the deficiency of high voltage protective, eliminate potential safety hazard.
Further, the solution of the present invention, electric current is still had by relay output end during shutdown, relay adhesion can be found, and then make the mode of buzzer call carry out relay adhesion protection by opening inside and outside blower fan, can to eliminate in prior art when compressor relay adhesion due to compressor high voltage protective lost efficacy, overtemperature protection lost efficacy and there is the problem of severe compromise, thus, can ensure: even if relay has fault, also can ensure air-conditioning system safety and stability; To be responsible for the quality of air-conditioning better, the life property safety of Consumer is responsible for.
Thus; under the solution of the present invention solves and utilizes off-mode, (such as: in shutdown preset duration) electric current and temperature detection carry out adhesion anticipation; judge adhesion situation more accurately and control corresponding load action; promote reliability, reduce the problem of potential safety hazard; thus; overcome in prior art and protect the defect that validity is poor, reliability is low, potential safety hazard is large, realize the beneficial effect that protection validity is good, reliability is high and potential safety hazard is little.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.
Below by drawings and Examples, technological scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart of an embodiment of compressor relay adhesion guard method of the present invention;
Fig. 2 is the structural representation of an embodiment of compressor relay adhesion protective gear of the present invention;
Fig. 3 is the workflow schematic diagram of an embodiment of air-conditioning of the present invention.
By reference to the accompanying drawings, in the embodiment of the present invention, reference character is as follows:
102-information acquisition unit; 1022-current acquisition module; 1024-temperature collect module; 104-adhesion anticipation unit; 1042-electric current judge module; 1044-temperature judge module; 106-adhesion protected location; 1062-pressure protect module; 1064-alarm module.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with the specific embodiment of the invention and corresponding accompanying drawing, technical solution of the present invention is clearly and completely described.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.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.
According to embodiments of the invention, provide a kind of compressor relay adhesion guard method, the flow chart of an embodiment of compressor relay adhesion guard method of the present invention as shown in Figure 1.The method at least comprises:
In step S110 place, after described compressor relay said system shutdown, gather electric current and the temperature of described system.After shutting down, gather electric current and temperature, acquisition mode is simple, and collection result is reliable, is conducive to promoting the accuracy of adhesion judgement and the promptness of adhesion protection, thus improves the stability of a system, ensures mass of system.
Preferably, gather electric current and the temperature of described system, specifically: after described system closedown, under the control of described system master controller (such as: main program) after time delay preset duration, then carry out the electric current of described system and the collection of temperature.First postpone preset duration by main program, can ensure under normal circumstances, compressor loop current enough drops to corresponding pre-set current value (such as: I
1), exclusive PCR, improves reliability and the promptness of adhesion protection.
In one embodiment, gather electric current and the temperature of described system, can comprise: gather described compressor relay output end current, and, gather described compressor loop electric current; And, gather described compressor outer shroud temperature and compressor outer tube temperature, obtain corresponding temperature gap.By gathering corresponding electric current and temperature gap, can judge to provide foundation more accurately for adhesion, reliability is high.
In one example in which, by setting up sampling resistor at described compressor loop, and the voltage at described sampling resistor two ends can be detected, obtaining and flowing through the electric current of described sampling resistor and described compressor loop electric current.By increasing sampling resistor at compressor loop, mode of operation is simple and cost is low.
In step S120 place, based on the described electric current collected and temperature, anticipation is carried out to the fault of described compressor relay adhesion, obtain corresponding anticipation result.Electric current is still had by relay output end during shutdown; relay adhesion can be found; and then make the mode of buzzer call carry out relay adhesion protection by opening inside and outside blower fan; can to eliminate in prior art when compressor relay adhesion due to compressor high voltage protective lost efficacy, overtemperature protection lost efficacy and there is the problem of severe compromise; logic simple possible; versatility is good, and reliability is high.
In one embodiment, can judge whether described compressor relay output end current is greater than described compressor loop electric current, and judge whether described temperature gap is greater than preset temperature threshold value; And, when described compressor relay output end current is greater than described compressor loop electric current and described temperature gap is greater than preset temperature threshold value, determine described compressor relay adhesion.By judging whether to stick together based on shutdown after-current and temperature, basis for estimation is accurate, and judgment mode is reliable, and promptness is good.
In step S130 place, based on described anticipation result, when described compressor relay adhesion, adhesion protection is carried out to described system.By the protection of adhesion timely when finding compressor relay adhesion; even if can ensure that relay has fault also can ensure air-conditioning system safety and stability; make up the deficiency of high voltage protective; eliminate safe hidden trouble; better system operation reliability is responsible for, thus the life property safety of Consumer is responsible for.
In one example in which, under the control of described system master controller (such as: main program), inner blower and/or outer blower fan can be opened, be in normal value to maintain described system pressure.
Owing to cannot disconnect relay by the action on circuit, main program can only send instruction, and inside and outside blower fan is driven, and first ensures that system pressure is normal, can not booster.
In one example in which, under the control of described system master controller, can be reported to the police by the alarm starting speech form, safeguard in time to point out user.
After adhesion protection, the system failure still exists, and must be asked for help thoroughly solve by user.Therefore main program starts buzzer warning function.To point out user, look for professional workforce to keep in repair, replace relay.
Wherein, alarm, can preferred buzzer (such as: the buzzer that system carries and/or the auxiliary buzzer arranged).Because the risk factor of the system failure is high, simple display fault code display is warned not strongly, adopts buzzer warning function to be necessary.
Thus, judge relay adhesion by Programmable detection, and make related load action, logic simple possible, versatility is good.
Through a large amount of verification experimental verifications, adopt the technological scheme of the present embodiment, by detecting the electric current of compressor relay output end under off-mode, judge compressor relay whether adhesion, and make related load action when adhesion, logic simple possible, versatility is good.
According to embodiments of the invention, additionally provide a kind of compressor relay adhesion protective gear corresponding to compressor relay adhesion guard method, as shown in Figure 2 the structural representation of an embodiment of compressor relay adhesion protective gear of the present invention.This device at least comprises: information acquisition unit 102, adhesion anticipation unit 104 and adhesion protected location 106.
Wherein, information acquisition unit 102, for after described compressor relay said system shutdown, gathers electric current and the temperature of described system.The concrete function of this information acquisition unit 102 and process are see step S110.After shutting down, gather electric current and temperature, acquisition mode is simple, and collection result is reliable, is conducive to promoting the accuracy of adhesion judgement and the promptness of adhesion protection, thus improves the stability of a system, ensures mass of system.
Preferably, information acquisition unit gathers electric current and the temperature of described system, specifically: after described system closedown, under the control of described system master controller (such as: main program) after time delay preset duration, then the electric current of described system and the collection of temperature is carried out.First postpone preset duration by main program, can ensure under normal circumstances, compressor loop current enough drops to corresponding pre-set current value (such as: I
1), exclusive PCR, improves reliability and the promptness of adhesion protection.
In one embodiment, information acquisition unit 102, comprising: current acquisition module 1022 and temperature collect module 1024.By gathering corresponding electric current and temperature gap, can judge to provide foundation more accurately for adhesion, reliability is high.
Wherein, current acquisition module 1022, for gathering described compressor relay output end current, and, for gathering described compressor loop electric current.
In one example in which, sampling resistor can be set up at described compressor loop, for detecting the voltage at described sampling resistor two ends, obtain and flowing through the electric current of described sampling resistor and described compressor loop electric current.By increasing sampling resistor at compressor loop, mode of operation is simple and cost is low.
Wherein, temperature collect module 1024, for gathering described compressor outer shroud temperature and compressor outer tube temperature, obtains corresponding temperature gap.
Wherein, adhesion anticipation unit 104, for based on the described electric current collected and temperature, carries out anticipation to the fault of described compressor relay adhesion, obtains corresponding anticipation result.The concrete function of this adhesion anticipation unit 104 and process are see step S120.Electric current is still had by relay output end during shutdown; relay adhesion can be found; and then make the mode of buzzer call carry out relay adhesion protection by opening inside and outside blower fan; can to eliminate in prior art when compressor relay adhesion due to compressor high voltage protective lost efficacy, overtemperature protection lost efficacy and there is the problem of severe compromise; logic simple possible; versatility is good, and reliability is high.
In one embodiment, adhesion anticipation unit 104, comprising: electric current judge module 1042, temperature judge module 1044 and adhesion determination module 1046.By judging whether to stick together based on shutdown after-current and temperature, basis for estimation is accurate, and judgment mode is reliable, and promptness is good.
Wherein, electric current judge module 1042, for judging whether described compressor relay output end current is greater than described compressor loop electric current.
Wherein, temperature judge module 1044, for judging whether described temperature gap is greater than preset temperature threshold value.
Wherein, adhesion determination module 1046, for when described compressor relay output end current is greater than described compressor loop electric current and described temperature gap is greater than preset temperature threshold value, determines described compressor relay adhesion.
Wherein, adhesion protected location 106, for based on described anticipation result, when described compressor relay adhesion, carries out adhesion protection to described system.The concrete function of this adhesion protected location 106 and process are see step S130.By the protection of adhesion timely when finding compressor relay adhesion; even if can ensure that relay has fault also can ensure air-conditioning system safety and stability; make up the deficiency of high voltage protective; eliminate safe hidden trouble; better system operation reliability is responsible for, thus the life property safety of Consumer is responsible for.
In one embodiment, adhesion protected location 106, comprising: pressure protect module 1062 and alarm module 1064.
Wherein, pressure protect module 1062, under the control of described system master controller (such as: main program), opens inner blower and/or outer blower fan, is in normal value to maintain described system pressure.
Owing to cannot disconnect relay by the action on circuit, main program can only send instruction, and inside and outside blower fan is driven, and first ensures that system pressure is normal, can not booster.
Wherein, alarm module 1064, under the control of described system master controller, is reported to the police by the alarm starting speech form, safeguards in time to point out user.
After adhesion protection, the system failure still exists, and must be asked for help thoroughly solve by user.Therefore main program starts buzzer warning function.To point out user, look for professional workforce to keep in repair, replace relay.
In one example in which, alarm, can preferred buzzer (such as: the buzzer that described system carries and/or the auxiliary buzzer arranged).Because the risk factor of the system failure is high, simple display fault code display is warned not strongly, adopts buzzer warning function to be necessary.
Thus, judge relay adhesion by Programmable detection, and make related load action, logic simple possible, versatility is good.
The process realized due to the device of the present embodiment and function are substantially corresponding to the embodiment of the method shown in earlier figures 1, principle and example, therefore not detailed part in the description of the present embodiment, see the related description in previous embodiment, can not repeat at this.
Through a large amount of verification experimental verifications, adopt technological scheme of the present invention, by hardware increases sampling resistor at compressor loop, without changing greatly, hardware cost is low; Compensate for the deficiency of high voltage protective, eliminate potential safety hazard.
According to embodiments of the invention, additionally provide a kind of air-conditioning corresponding to compressor relay adhesion protective gear.This air-conditioning at least comprises: above-described device.
In one embodiment, can realize primarily of program---judge relay adhesion by Programmable detection, and make related load action, logic simple possible, versatility is good.Hardware increases compressor loop sampling resistor, without changing greatly, hardware cost is low.
Wherein, described load action, comprising: inner blower, outer blower fan, compressor and buzzer etc.
Such as: user shutdown (such as: turn off air conditioner power source) time, program sends instruction, stops inner blower, outer blower fan, and by disconnection compressor relay stop compressor.And if now break down, such as, compressor relay adhesion, then programming instruction lost efficacy, pipe temperature rise, system pressure constantly raises, and has the danger of booster.
For avoiding this dangerous, example shown in Figure 3, after shutdown, main program first postpones a period of time t
0(ensure under normal circumstances, compressor loop current enough drops to I
1, exclusive PCR), compressor relay output end current then detected, if be greater than I
2(by series connection sampling resistor on circuit, and the voltage detecting its two ends realizes), and outer shroud temperature T
outer shroudwith outer tube temperature T
pipedifference exceed certain value T
0time, then think, now compressor relay adhesion, system has the danger of overvoltage.Owing to cannot disconnect relay by the action on circuit, main program can only send instruction, and inside and outside blower fan is driven, and first ensures that system pressure is normal, can not booster.
But fault still exists, must be asked for help by user and thoroughly solve.Therefore main program starts buzzer warning function.To point out user, look for professional workforce to keep in repair, replace relay.Because risk factor is high, simple display fault code display is warned not strongly, adopts buzzer warning function to be necessary.
Thus; electric current is still had by relay output end during shutdown; relay adhesion can be found; and then make the mode of buzzer call carry out relay adhesion protection by opening inside and outside blower fan; compensate for the deficiency of high voltage protective; eliminate potential safety hazard, better the quality of air-conditioning is responsible for, the life property safety of Consumer is responsible for.
The process realized due to the air-conditioning of the present embodiment and function are substantially corresponding to the embodiment of the device shown in earlier figures 2, principle and example, therefore not detailed part in the description of the present embodiment, see the related description in previous embodiment, can not repeat at this.
Through a large amount of verification experimental verifications, adopt technological scheme of the present invention, can to eliminate in prior art when compressor relay adhesion due to compressor high voltage protective lost efficacy, overtemperature protection lost efficacy and there is the problem of severe compromise, thus, can ensure: even if relay has fault, also can ensure air-conditioning system safety and stability; To be responsible for the quality of air-conditioning better, the life property safety of Consumer is responsible for.
Also it should be noted that, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, commodity or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, commodity or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, commodity or the equipment comprising described key element and also there is other identical element.
The foregoing is only embodiments of the invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within right of the present invention.
Claims (15)
1. a compressor relay adhesion guard method, is characterized in that, comprising:
After described compressor relay said system shutdown, gather electric current and the temperature of described system;
Based on the described electric current collected and temperature, anticipation is carried out to the fault of described compressor relay adhesion, obtain corresponding anticipation result;
Based on described anticipation result, when described compressor relay adhesion, adhesion protection is carried out to described system.
2. method according to claim 1, it is characterized in that, gather electric current and the temperature of described system, specifically: after described system closedown, under the control of described system master controller after time delay preset duration, then carry out the electric current of described system and the collection of temperature.
3. method according to claim 1 and 2, is characterized in that, gathers electric current and the temperature of described system, comprising:
Gather described compressor relay output end current, and,
Gather described compressor loop electric current; And,
Gather described compressor outer shroud temperature and compressor outer tube temperature, obtain corresponding temperature gap.
4. method according to claim 3, is characterized in that, gathers described compressor loop electric current, comprising:
By setting up sampling resistor at described compressor loop, and detecting the voltage at described sampling resistor two ends, obtaining the electric current flowing through described sampling resistor.
5. according to the method one of claim 1-4 Suo Shu, it is characterized in that, based on the described electric current collected and temperature, anticipation carried out to the fault of described compressor relay adhesion, comprising:
Judge whether described compressor relay output end current is greater than described compressor loop electric current, and judge whether described temperature gap is greater than preset temperature threshold value; And,
When described compressor relay output end current is greater than described compressor loop electric current and described temperature gap is greater than preset temperature threshold value, determine described compressor relay adhesion.
6. according to the method one of claim 1-5 Suo Shu, it is characterized in that, adhesion protection carried out to described system, comprising:
Under the control of described system master controller, open inner blower and/or outer blower fan, be in normal value to maintain described system pressure; And,
Under the control of described system master controller, reported to the police by the alarm starting speech form, safeguard in time to point out user.
7. method according to claim 6, is characterized in that, described alarm, comprising: the buzzer that described system carries and/or the auxiliary buzzer arranged.
8. a compressor relay adhesion protective gear, is characterized in that, comprising:
Information acquisition unit, for after described compressor relay said system shutdown, gathers electric current and the temperature of described system;
Adhesion anticipation unit, for based on the described electric current collected and temperature, carries out anticipation to the fault of described compressor relay adhesion, obtains corresponding anticipation result;
Adhesion protected location, for based on described anticipation result, when described compressor relay adhesion, carries out adhesion protection to described system.
9. device according to claim 8, it is characterized in that, information acquisition unit gathers electric current and the temperature of described system, specifically: after described system closedown, under the control of described system master controller after time delay preset duration, then carry out the electric current of described system and the collection of temperature.
10. device according to claim 8 or claim 9, is characterized in that information acquisition unit comprises:
Current acquisition module, for gathering described compressor relay output end current, and, for gathering described compressor loop electric current; And,
Temperature collect module, for gathering described compressor outer shroud temperature and compressor outer tube temperature, obtains corresponding temperature gap.
11. devices according to claim 10, is characterized in that, compressor loop electric current described in current acquisition module acquires, comprising:
Setting up sampling resistor at described compressor loop, for detecting the voltage at described sampling resistor two ends, obtaining the electric current flowing through described sampling resistor.
12. one of-11 described devices according to Claim 8, it is characterized in that, adhesion anticipation unit, comprising:
Electric current judge module, for judging whether described compressor relay output end current is greater than described compressor loop electric current;
Temperature judge module, for judging whether described temperature gap is greater than preset temperature threshold value;
Adhesion determination module, for when described compressor relay output end current is greater than described compressor loop electric current and described temperature gap is greater than preset temperature threshold value, determines described compressor relay adhesion.
13. one of-12 described devices according to Claim 8, it is characterized in that, adhesion protected location, comprising:
Pressure protect module, under the control of described system master controller, opens inner blower and/or outer blower fan, is in normal value to maintain described system pressure; And,
Alarm module, under the control of described system master controller, is reported to the police by the alarm starting speech form, safeguards in time to point out user.
14. devices according to claim 13, is characterized in that, described alarm, comprising: the buzzer that described system carries and/or the auxiliary buzzer arranged.
15. 1 kinds of air-conditionings, is characterized in that, comprising: the device as described in as arbitrary in claim 8-14.
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| CN106019065A (en) * | 2016-05-04 | 2016-10-12 | 广东美的暖通设备有限公司 | Air conditioner compressor contactor adhesion detection method, system and device and air conditioner |
| CN107544021A (en) * | 2017-07-17 | 2018-01-05 | 广东美的厨房电器制造有限公司 | Detection method, system and micro-wave oven, the computer equipment of relay adhesion situation |
| CN107869455A (en) * | 2017-11-15 | 2018-04-03 | 荏原冷热系统（中国）有限公司 | A kind of control method and system for preventing compressor damage |
| CN111779702A (en) * | 2020-06-30 | 2020-10-16 | 中车青岛四方机车车辆股份有限公司 | Clamping stagnation fault processing method and device |
| CN112146253A (en) * | 2020-09-23 | 2020-12-29 | 海信（山东）空调有限公司 | Air conditioner and compressor control method thereof |
| CN112393379A (en) * | 2020-11-19 | 2021-02-23 | 珠海格力电器股份有限公司 | Compressor driving circuit, power-off protection method thereof and air conditioner |
| CN114582670A (en) * | 2022-03-07 | 2022-06-03 | 潍柴动力股份有限公司 | Method and system for judging aging of relay and preventing excessive heating of grating |
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| CN111779702A (en) * | 2020-06-30 | 2020-10-16 | 中车青岛四方机车车辆股份有限公司 | Clamping stagnation fault processing method and device |
| CN111779702B (en) * | 2020-06-30 | 2022-03-01 | 中车青岛四方机车车辆股份有限公司 | Clamping stagnation fault processing method and device |
| CN112146253A (en) * | 2020-09-23 | 2020-12-29 | 海信（山东）空调有限公司 | Air conditioner and compressor control method thereof |
| CN112146253B (en) * | 2020-09-23 | 2021-12-17 | 海信（山东）空调有限公司 | Air conditioner and compressor control method thereof |
| CN112393379A (en) * | 2020-11-19 | 2021-02-23 | 珠海格力电器股份有限公司 | Compressor driving circuit, power-off protection method thereof and air conditioner |
| CN114582670A (en) * | 2022-03-07 | 2022-06-03 | 潍柴动力股份有限公司 | Method and system for judging aging of relay and preventing excessive heating of grating |
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