CN103994542A - Detection method and air conditioner - Google Patents
Detection method and air conditioner Download PDFInfo
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- CN103994542A CN103994542A CN201410177687.6A CN201410177687A CN103994542A CN 103994542 A CN103994542 A CN 103994542A CN 201410177687 A CN201410177687 A CN 201410177687A CN 103994542 A CN103994542 A CN 103994542A
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Abstract
The invention discloses a detection method and air conditioner. The detection method is used for detecting whether blow-by happens on a four-way valve of the air conditioner or not. The detection method includes the steps that according to the air conditioner, first temperatures of at least two openings in the four-way valve at a first moment and second temperatures of at least openings in the four-way valve at a second moment after the first moment are detected through a temperature sensor; a first differential value between the two first temperatures is calculated, and a second differential value between the two second temperatures is calculated; whether the deviation between the first differential value and the second differential value is larger than a first preset value or not is judged to obtain a first judgment result; the air conditioner generates and outputs prompt information whether blow-by happens on the four-way valve or not according to the first detection result.
Description
Technical field
The present invention relates to air-conditioning technical field, relate in particular to a kind of detection method and air-conditioning.
Background technology
At present, electric equipment products have extensively entered people's family, and general every family all can be used more household electrical appliance to meet the life requirement of oneself, and the household electrical appliance such as such as television set, washing machine, refrigerator, air-conditioning have become the necessity of each family.
Air-conditioning is air regulator (room air conditioner), is a kind of for the unit of processing air temperature variations is provided to area of space (being generally airtight).Its function is that the parameters such as temperature, humidity, cleanliness factor and the air velocity to the interior air in this room (or enclosure space, region) regulate, to meet the requirement of the comfortable or technical process of human body.
But realizing present inventor in the process of present techniques scheme, at least finding that above-mentioned prior art exists following technical problem:
In prior art, receive at refrigerating state and heat the control information of switching between state at described air-conditioning, and when the refrigeration of described air-conditioning or heating effect are bad, need the manually described cross valve of investigation whether to collaborate, and whether the cross valve that can not automatically detect described air-conditioning collaborate.
Summary of the invention
The application provides a kind of detection method and air-conditioning, solve in prior art, receive at refrigerating state and heat the control information of switching between state at described air-conditioning, and when the refrigeration of described air-conditioning or heating effect are bad, need the manually described cross valve of investigation whether to collaborate, and can not automatically detect the technical problem whether cross valve of described air-conditioning collaborates.
Whether the application provides a kind of detection method, collaborate for detection of the cross valve of an air-conditioning, and described method comprises:
Described air-conditioning detects in described cross valve second temperature in first temperature of at least two openings when the first moment and the second moment after described the first moment by temperature sensor;
Calculate the second difference between the first difference and described two the second temperature between described two the first temperature;
Judge that whether the deviation between described the first difference and the second difference of correspondence is greater than the first preset value, obtains the first judged result;
Described air-conditioning, according to described the first testing result, generates and exports an information of whether collaborating for characterizing described cross valve.
Preferably, described air-conditioning detects in described cross valve second temperature in first temperature of at least two openings when the first moment and the second moment after described the first moment by temperature sensor, be specially: described air-conditioning detects second temperature in four openings in described cross valve the first temperature when the first moment and the second moment after described the first moment by temperature sensor;
The second difference between the first difference and described two the second temperature between described two the first temperature of described calculating, is specially: calculate the difference between difference and the second temperature of correspondence between the first temperature that described four openings are corresponding.
Preferably, describedly judge whether the deviation between described the first difference and corresponding the second difference is greater than the first preset value, obtains the first judged result, is specially: judge the deviation between described the first difference and corresponding the second difference; If when described deviation is greater than described the first preset value, obtain the judged result that described cross valve is collaborated.
Preferably, in the time that described information shows that described cross valve is collaborated, described method also comprises: described in described detection of air-conditioning, whether the commutation of the pilot valve of the pilot valve of cross valve puts in place, obtains the second testing result.
Preferably, show that in described the second testing result described pilot valve commutates time not in place, described method also comprises: whether the voltage described in described detection of air-conditioning in the solenoid of cross valve meets the requirements.
Preferably, show that in described the second testing result described pilot valve commutates time not in place, described method also comprises: whether described detection of air-conditioning capillary deforms, and obtains the 3rd judged result.
Preferably, in the time that described the 3rd testing result shows that described capillary does not deform, described method also comprises: whether the rotating speed of described detection of air-conditioning compressor reaches preset rotation speed.
The application also provides a kind of air-conditioning, described air-conditioning comprises: processor, temperature sensor and cross valve, described cross valve comprises cavity and main slide valve, offers four openings on described cavity, and described main slide valve is for switching the conducting relation between described four openings; Described temperature sensor is the first temperature when the first moment and second temperature in the second moment after described the first moment for detection of at least two openings in described cross valve; Described processor is for calculating the second difference between the first difference and described two the second temperature between described two the first temperature; And whether the second difference that judges described the first difference and correspondence is identical, obtains the first judged result; According to described the first testing result, generate and export an information of whether collaborating for characterizing described cross valve again.
Preferably, described temperature sensor is specifically for detecting second temperature in four openings in described cross valve the first temperature when the first moment and the second moment after described the first moment;
Described processor is specifically for calculating the difference between difference and the second temperature of correspondence between the first temperature that described four openings are corresponding.
Preferably, described processor is specifically for judging the deviation between described the first difference and corresponding the second difference, and in the time that described deviation is greater than described the first preset value, obtains the judged result that described cross valve is collaborated.
Whether preferably, described air-conditioning also comprises velocity sensor or acceleration transducer or displacement transducer, put in place for detection of the pilot valve commutation of the pilot valve of described cross valve, obtains the second testing result.
Whether preferably, described air-conditioning also comprises voltage detection unit, meet the requirements for detection of the voltage in the solenoid of described cross valve.
Preferably, described air-conditioning also comprises pressure sensor, and whether described pressure sensor deforms for detection of the capillary of described air-conditioning, obtains the 3rd judged result.
Preferably, described air-conditioning also comprises speed probe, and whether described speed probe reaches preset rotation speed for detection of the rotating speed of the compressor that detects described air-conditioning.
The application's beneficial effect is as follows:
Above-mentioned detection method is by first temperature of at least two openings of at least two openings in the time of the first moment and second temperature in the second moment after described the first moment in four openings of the described cross valve of detection, calculate the second difference between the first difference and described two the second temperature between described two the first temperature, judge whether the deviation between described the first difference and the second difference of correspondence is greater than the first preset value, and obtaining after judged result, generate and export an information of whether collaborating for characterizing described cross valve, therefore, user can directly know according to information whether described cross valve collaborates, solve in prior art and received at refrigerating state and heat the control information of switching between state at described air-conditioning, and when the refrigeration of described air-conditioning or heating effect are bad, need the manually described cross valve of investigation whether to collaborate, and the technical problem whether cross valve that can not automatically detect described air-conditioning collaborates.
Whether commutate and put in place by detecting the pilot valve of described pilot valve, thereby can judge that whether described main slide valve is because the pilot valve reason putting in place that do not commutate causes described cross valve to be collaborated according to testing result.
Whether meet the requirements by detecting described solenoid voltage, thereby can judge whether described cross valve is to collaborate because the undesirable reason of solenoid voltage causes described cross valve according to testing result, thereby the reason that further judgement causes described cross valve to be collaborated.
Whether deform by detecting capillary, thereby can judge that whether described main slide valve is due to deform former of capillary thereby causes described cross valve to be collaborated according to testing result, thereby obtain the reason that causes described cross valve to be collaborated.
By surveying the rotating speed of described compressor, thereby can judge that whether described main slide valve is because the reason that described compressor does not reach desired speed causes described cross valve to be collaborated according to testing result, if in the time that the rotating speed of described compressor reaches predetermined value, can know that described cross valve is to collaborate because the cold medium shortage of air-conditioning causes described cross valve, thereby obtain the reason that causes described cross valve to be collaborated.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, the accompanying drawing in the following describes is only some embodiments of the present invention.
Fig. 1 is the flow chart of the application's the first preferred embodiments detection method;
Fig. 2 is the structural representation of the application's the second preferred embodiments air-conditioning;
Fig. 3 is the structural representation of the cross valve of air-conditioning in Fig. 2.
Detailed description of the invention
The embodiment of the present application is by providing a kind of detection method and air-conditioning, solve in prior art, receive at refrigerating state and heat the control information of switching between state at described air-conditioning, and when the refrigeration of described air-conditioning or heating effect are bad, need the manually described cross valve of investigation whether to collaborate, and can not automatically detect the technical problem whether cross valve of described air-conditioning collaborates.
Technical scheme in the embodiment of the present application is for solving the problems of the technologies described above, and general thought is as follows:
A kind of detection method, whether the cross valve for detection of an air-conditioning collaborates, and described method comprises: described air-conditioning detects in described cross valve second temperature in first temperature of at least two openings when the first moment and the second moment after described the first moment by temperature sensor; Calculate the second difference between the first difference and described two the second temperature between described two the first temperature; Judge that whether the deviation between described the first difference and the second difference of correspondence is greater than the first preset value, obtains the first judged result; Described air-conditioning, according to described the first testing result, generates and exports an information of whether collaborating for characterizing described cross valve.
A kind of air-conditioning, described air-conditioning comprises: processor, temperature sensor and cross valve, described cross valve comprises cavity and main slide valve, offers four openings on described cavity, described main slide valve is for switching the conducting relation between described four openings; Described temperature sensor is the first temperature when the first moment and second temperature in the second moment after described the first moment for detection of at least two openings in described cross valve; Described processor is for calculating the second difference between the first difference and described two the second temperature between described two the first temperature; And whether the second difference that judges described the first difference and correspondence is identical, obtains the first judged result; According to described the first testing result, generate and export an information of whether collaborating for characterizing described cross valve again.
Above-mentioned detection method is by first temperature of at least two openings of at least two openings in the time of the first moment and second temperature in the second moment after described the first moment in four openings of the described cross valve of detection, calculate the second difference between the first difference and described two the second temperature between described two the first temperature, judge whether the deviation between described the first difference and the second difference of correspondence is greater than the first preset value, and obtaining after judged result, generate and export an information of whether collaborating for characterizing described cross valve, therefore, user can directly know according to information whether described cross valve collaborates, solve in prior art and received at refrigerating state and heat the control information of switching between state at described air-conditioning, and when the refrigeration of described air-conditioning or heating effect are bad, need the manually described cross valve of investigation whether to collaborate, and the technical problem whether cross valve that can not automatically detect described air-conditioning collaborates.
In order better to understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
Embodiment mono-
As shown in Figure 1, be the flow chart of the application's the first preferred embodiments detection method.Whether described detection method is applied in an air-conditioning, collaborate for detection of the cross valve of an air-conditioning.For the ease of understanding this detection method, before introducing the method, first the structure of described cross valve is introduced.
As shown in Figure 3, be the structural representation of the cross valve 300 of air-conditioning.Described cross valve 300 comprises main valve 310 and pilot valve 320, and described main valve 310 comprises cavity 311 and the main slide valve 315 with piston 313.On described cavity 311, offer four openings 314.Described piston 313 is for being divided into cavity 311 multiple sub-cavitys 312.Described main slide valve 315 is arranged in described cavity 311, for switching the conducting relation between described four openings 314.When described piston 313 moves in described cavity, drive described main slide valve 315 to move, to switch the conducting relation between described four openings 314.
Described pilot valve 320 comprises cavity 321, pilot valve 322 and elastic component 323 and solenoid 324.On described cavity 312, offer four openings 325, each opening is communicated with four openings 314 by capillary 330.Described pilot valve 322 can be in the interior movement of described cavity 321, for switching the conducting relation between described four openings 325.Described elastic component 323 one end are fixed on described cavity 321, and the other end is fixed on described pilot valve 322.In the time that described solenoid 324 is switched on, the active force that described solenoid 324 produces overcomes the elastic force of described elastic component 323, described pilot valve 322 is moved, to switch the conducting relation between described four openings 325, make described piston 313 in the interior movement of described cavity 311, thereby drive described main slide valve 315 to move, to switch the conducting relation between described four openings 314.After described solenoid 324 power-off, described pilot valve 322 switches the conducting relation between described four openings 325 under the effect of the elastic force of described elastic component 323, make described piston 313 in the interior movement of described cavity 311, thereby drive described main slide valve 315 to move, to switch the conducting relation between described four openings 314.
Structure below in conjunction with above-mentioned cross valve 300 is described in detail described detection method.Described detection method comprises the following steps:
Step 110, described air-conditioning detects first temperature of at least two openings 314 in the time of the first moment and second temperature in the second moment after described the first moment in four openings 314 of described cross valve 300 by temperature sensor.Described at least two openings 314 can be any two openings in four openings 314.In the present embodiment, can only detect in described four openings 314 any two openings in the temperature in the first moment and the second moment, in other embodiments, can detect the first moment of any three openings and the temperature in the second moment in described four openings 314, also can all detect in the temperature in the first moment and the second moment described four openings 314, particularly, described air-conditioning detects second temperature in four openings in described cross valve the first temperature when the first moment and the second moment after described the first moment by temperature sensor.
Step 120, calculates the second difference between the first difference and described two the second temperature between described two the first temperature.Can be by processor during directly by the first moment the first temperature of two openings 314 subtract each other, can obtain described the first difference, during by the second moment, the second temperature of two openings 314 is subtracted each other, and can obtain described the second difference.Suppose that described the first difference is the temperature gap of the first opening and the second opening when the first moment in four openings 314, the temperature gap of the first opening and the second opening when the second difference of corresponding the first difference was the second moment.
After the temperature in the first moment and the second moment is all detected, can calculate the difference between difference between the first temperature of described four opening 314 correspondences and corresponding the second temperature at described four openings 314.Described difference can be 5 at most, also can only use wherein 3 or 4 four.
Step 130, judges whether the deviation between described the first difference and the second difference of correspondence is greater than the first preset value, obtains the first judged result.Described the first preset value can be 0, can be arbitrary value, specifically can set as required.Deviation between the second difference of described the first difference and correspondence can directly obtain described the first difference with the second corresponding difference comparison.
In described difference while being multiple, should judge one by one the deviation between described the first difference and corresponding the second difference; If when arbitrary deviation is greater than described the first preset value in described multiple deviation, obtain the judged result that described cross valve 300 is collaborated.
Step 140, described air-conditioning, according to described the first testing result, generates and exports an information of whether collaborating for characterizing described cross valve.Described information can be pointed out by modes such as display screen, display lamp, loudspeaker.In the time that the described cross valve 300 in described detection architecture surface is collaborated, described air-conditioning generates and exports the information that the described cross valve 300 of sign is collaborated.
Above-mentioned detection method is by first temperature of at least two opening at least two openings 314 in the time of the first moment and second temperature in the second moment after described the first moment in four openings 314 of the described cross valve 300 of detection, calculate the second difference between the first difference and described two the second temperature between described two the first temperature, judge whether the deviation between described the first difference and the second difference of correspondence is greater than the first preset value, and obtaining after judged result, generate and export an information of whether collaborating for characterizing described cross valve 300, therefore, user can directly know according to information whether described cross valve 300 collaborates, solve in prior art and received at refrigerating state and heat the control information of switching between state at described air-conditioning, and when the refrigeration of described air-conditioning or heating effect are bad, need the manually described cross valve of investigation whether to collaborate, and the technical problem whether cross valve that can not automatically detect described air-conditioning collaborates.
In detailed description of the invention, in the time that described information shows that described cross valve 300 is collaborated, described method also comprises step 150: described in described detection of air-conditioning, whether the pilot valve 322 of the pilot valve 320 of cross valve 300 commutates and put in place, obtains the second testing result.Can Negotiation speed sensor, acceleration transducer, displacement transducer or touch sensor detect described pilot valve 322, detect described pilot valve 322 mode whether putting in place that commutates and have following three kinds at least:
The first: can Negotiation speed sensor detect the speed of described pilot valve 322, calculate the displacement of described pilot valve 322.Described velocity sensor is arranged on described pilot valve 322, and in the time that described pilot valve 322 moves, described sensor can detect the translational speed of described pilot valve 322, calculates the displacement of described pilot valve 322 according to this speed.
The second: can detect by acceleration transducer the acceleration of described pilot valve 322, calculate the displacement of described pilot valve 322.Described acceleration transducer is arranged on described pilot valve 322, in the time that described pilot valve 322 moves, described in add sensor and can detect the acceleration of described pilot valve 322, according to the displacement of pilot valve 322 described in this acceleration calculation.
The third: can detect described pilot valve 322 by feeler and whether commutate and put in place.Described feeler can arrange two, is arranged at respectively on described pilot valve 320 inner surfaces, and at described air-conditioning, when heating state, described pilot valve 322 contacts with the first feeler; In the time that described air-conditioning is refrigerating state, described pilot valve 322 contacts with the second feeler.As described in air-conditioning receive that if described pilot valve 322 contacts with described the second feeler, surperficial described pilot valve 322 commutates and puts in place from heating the control information that state switches to refrigerating state.
If when described pilot valve 322 commutations put in place, surperficial described main slide valve 315 may be blocked by foreign material or described cavity 311 is crushed out of shape, cause described main slide valve 315 not move into place and produce collaborating, thus user can directly check whether described cavity 311 is out of shape or cavity 311 in whether have foreign material to block described main slide valve 315.Whether commutate and put in place by detecting the pilot valve 322 of described pilot valve 320, thereby can judge that whether described main slide valve 315 is because pilot valve 322 reason putting in place that do not commutate causes described cross valve 300 to be collaborated according to testing result.
Further, show that in described the second testing result described pilot valve 322 commutates time not in place, described method also comprises: step 160, whether the voltage of the solenoid 324 of cross valve 300 meets the requirements described in described detection of air-conditioning.Whether the voltage that can detect in described solenoid 324 by voltage detection unit meets the requirements, and can know whether described solenoid 324 voltages meet the requirements.As described in voltage conforms requirement in solenoid 324, show that described solenoid 324 is working properly.Whether meet the requirements by detecting described solenoid 324 voltages, thereby can judge whether described cross valve 300 is because the undesirable reason of solenoid 324 voltage causes described cross valve 300 to be collaborated according to testing result, thereby the reason that further judgement causes described cross valve 300 to be collaborated.
Further, show that in described the second testing result described pilot valve 322 commutates time not in place, described method also comprises: step 170, whether described detection of air-conditioning capillary 330 deforms, and obtains the 3rd judged result.Can, by described capillary 330, pressure sensor being set, whether deform to detect described capillary 330, particularly, in the time that described pressure sensor detects that pressure changes, show that described capillary tube 330 deforms.Whether deform by detecting capillary 330, thereby can judge that whether described main slide valve 315 is due to deform former of capillary 330 thereby causes described cross valve 300 to be collaborated according to testing result, thereby obtain the reason that causes described cross valve 300 to be collaborated.
Further, in the time that described the 3rd testing result shows that described capillary 330 does not deform, described method also comprises: step 180, whether the rotating speed of described detection of air-conditioning compressor reaches preset rotation speed.The rotating speed that specifically can detect by speed probe described compressor, in the time that the rotating speed of described compressor reaches predetermined value, shows that the rotating speed of described compressor meets the demands, and if not, does not meet the demands.By surveying the rotating speed of described compressor, thereby can judge that whether described main slide valve 315 is because the reason that described compressor does not reach desired speed causes described cross valve 300 to be collaborated according to testing result, if in the time that the rotating speed of described compressor reaches predetermined value, can know that described cross valve 300 is to collaborate because the cold medium shortage of air-conditioning causes described cross valve 300, thereby obtain the reason that causes described cross valve 300 to be collaborated.
Embodiment bis-
Based on same inventive concept, the application also provides a kind of air-conditioning 200.As shown in Figure 2, be the structural representation of the application's the second preferred embodiments air-conditioning 200.Described air-conditioning 200 comprises: cross valve 300, temperature sensor 210 and processor 220.
Consult Fig. 3 simultaneously, shown in cross valve 300 comprise cavity 311 and main slide valve 315, on described cavity 311, offer four openings 314, described main slide valve 315 is for switching the conducting relation between described four openings 314.
Described temperature sensor 210 is the first temperature when the first moment and second temperature in the second moment after described the first moment for detection of at least two openings 314 in described cross valve 300.
Described processor 220 is for calculating the second difference between the first difference and described two the second temperature between described two the first temperature; And whether the second difference that judges described the first difference and correspondence is identical, obtains the first judged result; According to described the first testing result, generate and export an information of whether collaborating for characterizing described cross valve again.
Above-mentioned air-conditioning 200 is by first temperature of at least two opening at least two openings 314 in the time of the first moment and second temperature in the second moment after described the first moment in four openings 314 of the described cross valve 300 of detection, calculate the second difference between the first difference and described two the second temperature between described two the first temperature, judge whether the deviation between described the first difference and the second difference of correspondence is greater than the first preset value, and obtaining after judged result, generate and export an information of whether collaborating for characterizing described cross valve 300, therefore, user can directly know according to information whether described cross valve 300 collaborates, solve in prior art and received at refrigerating state and heat the control information of switching between state at described air-conditioning, and when the refrigeration of described air-conditioning or heating effect are bad, need the manually described cross valve of investigation whether to collaborate, and the technical problem whether cross valve that can not automatically detect described air-conditioning collaborates.
Particularly, described temperature sensor 210 is specifically for detecting second temperature in four openings 314 in described cross valve 300 the first temperature when the first moment and the second moment after described the first moment;
Described processor 220 is specifically for calculating the difference between difference and the second temperature of correspondence between the first temperature that described four openings are corresponding.
Particularly, described processor 220 is specifically for judging the deviation between described the first difference and corresponding the second difference, and in the time that described deviation is greater than described the first preset value, obtains the judged result that described cross valve 300 is collaborated.
Particularly, described air-conditioning 200 also comprises first sensor 230, whether described first sensor 230 is specifically as follows velocity sensor or acceleration transducer or displacement transducer, commutate and put in place for detection of the pilot valve 322 of the pilot valve 320 of described cross valve 300, obtains the second testing result.
Whether particularly, described air-conditioning 200 also comprises voltage detection unit 240, meet the requirements for detection of the voltage in the solenoid 324 of described cross valve 300.
Particularly, described air-conditioning 200 also comprises pressure sensor 250, and whether described pressure sensor 250 deforms for detection of the capillary 330 of described air-conditioning, obtains the 3rd judged result.
Particularly, described air-conditioning 200 also comprises speed probe 260, and whether described speed probe 260 reaches preset rotation speed for detection of the rotating speed of the compressor that detects described air-conditioning.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and amendment to these embodiment.So claims are intended to be interpreted as comprising preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (14)
1. whether a detection method, collaborate for detection of the cross valve of an air-conditioning, it is characterized in that, described method comprises:
Described air-conditioning detects in described cross valve second temperature in first temperature of at least two openings when the first moment and the second moment after described the first moment by temperature sensor;
Calculate the second difference between the first difference and described two the second temperature between described two the first temperature;
Judge that whether the deviation between described the first difference and the second difference of correspondence is greater than the first preset value, obtains the first judged result;
Described air-conditioning, according to described the first testing result, generates and exports an information of whether collaborating for characterizing described cross valve.
2. the method for claim 1, is characterized in that, described air-conditioning detects in described cross valve second temperature in first temperature of at least two openings when the first moment and the second moment after described the first moment by temperature sensor, be specially:
Described air-conditioning detects second temperature in four openings in described cross valve the first temperature when the first moment and the second moment after described the first moment by temperature sensor;
The second difference between the first difference and described two the second temperature between described two the first temperature of described calculating, is specially:
Calculate the difference between difference and the second temperature of correspondence between the first temperature that described four openings are corresponding.
3. method as claimed in claim 2, is characterized in that, describedly judges whether the deviation between described the first difference and corresponding the second difference is greater than the first preset value, obtains the first judged result, is specially:
Judge the deviation between described the first difference and corresponding the second difference;
If when described deviation is greater than described the first preset value, obtain the judged result that described cross valve is collaborated.
4. the method as described in arbitrary claim in claim 1-3, is characterized in that, in the time that described information shows that described cross valve is collaborated, described method also comprises:
Described in described detection of air-conditioning, whether the commutation of the pilot valve of the pilot valve of cross valve puts in place, obtains the second testing result.
5. method as claimed in claim 4, is characterized in that, shows that in described the second testing result described pilot valve commutates time not in place, and described method also comprises:
Whether the voltage described in described detection of air-conditioning in the solenoid of cross valve meets the requirements.
6. method as claimed in claim 4, is characterized in that, shows that in described the second testing result described pilot valve commutates time not in place, and described method also comprises:
Whether described detection of air-conditioning capillary deforms, and obtains the 3rd judged result.
7. method as claimed in claim 6, is characterized in that, in the time that described the 3rd testing result shows that described capillary does not deform, described method also comprises:
Whether the rotating speed of described detection of air-conditioning compressor reaches preset rotation speed.
8. an air-conditioning, is characterized in that, described air-conditioning comprises:
Cross valve, comprises cavity and main slide valve, offers four openings on described cavity, and described main slide valve is for switching the conducting relation between described four openings;
Temperature sensor, the first temperature for detection of at least two openings in described cross valve when the first moment and second temperature in the second moment after described the first moment;
Processor, for calculating the second difference between the first difference and described two the second temperature between described two the first temperature; And whether the second difference that judges described the first difference and correspondence is identical, obtains the first judged result; According to described the first testing result, generate and export an information of whether collaborating for characterizing described cross valve again.
9. air-conditioning as claimed in claim 8, is characterized in that, described temperature sensor is specifically for detecting second temperature in four openings in described cross valve the first temperature when the first moment and the second moment after described the first moment;
Described processor is specifically for calculating the difference between difference and the second temperature of correspondence between the first temperature that described four openings are corresponding.
10. air-conditioning as claimed in claim 9, it is characterized in that, described processor is specifically for judging the deviation between described the first difference and corresponding the second difference, and in the time that described deviation is greater than described the first preset value, obtains the judged result that described cross valve is collaborated.
11. air-conditionings as described in arbitrary claim in claim 8-10, it is characterized in that, whether described air-conditioning also comprises velocity sensor or acceleration transducer or displacement transducer, put in place for detection of the pilot valve commutation of the pilot valve of described cross valve, obtains the second testing result.
Whether 12. air-conditionings as claimed in claim 11, is characterized in that, described air-conditioning also comprises voltage detection unit, meet the requirements for detection of the voltage in the solenoid of described cross valve.
13. air-conditionings as claimed in claim 11, is characterized in that, described air-conditioning also comprises pressure sensor, and whether described pressure sensor deforms for detection of the capillary of described air-conditioning, obtain the 3rd judged result.
14. air-conditionings as claimed in claim 13, is characterized in that, described air-conditioning also comprises speed probe, and whether described speed probe reaches preset rotation speed for detection of the rotating speed of the compressor that detects described air-conditioning.
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| CN201410177687.6A CN103994542A (en) | 2014-04-29 | 2014-04-29 | Detection method and air conditioner |
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| CN201410177687.6A CN103994542A (en) | 2014-04-29 | 2014-04-29 | Detection method and air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954669A (en) * | 2018-07-06 | 2018-12-07 | 广东美的暖通设备有限公司 | Detection method, heating-cooling equipment and the readable storage medium storing program for executing of four-way valve failure |
| CN109186154A (en) * | 2018-09-04 | 2019-01-11 | 珠海格力电器股份有限公司 | Four-way valve, which is collaborated, protects method for diagnosing faults, device, storage medium and air-conditioning |
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| CN109186154A (en) * | 2018-09-04 | 2019-01-11 | 珠海格力电器股份有限公司 | Four-way valve, which is collaborated, protects method for diagnosing faults, device, storage medium and air-conditioning |
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Application publication date: 20140820 |