CN104595568A - Detecting method and device for air conditioner water valve - Google Patents
Detecting method and device for air conditioner water valve Download PDFInfo
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- CN104595568A CN104595568A CN201410834042.5A CN201410834042A CN104595568A CN 104595568 A CN104595568 A CN 104595568A CN 201410834042 A CN201410834042 A CN 201410834042A CN 104595568 A CN104595568 A CN 104595568A
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- temperature
- water valve
- air
- conditioning water
- surface cooler
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a detecting method and device for an air conditioner water valve. The detecting method for the air conditioner water valve comprises the steps that the current state of the air conditioner water valve is acquired; the temperature of a surface air cooler in an air conditioner and the environment temperature are detected; the state of the air conditioner water valve is calculated according to the temperature of the surface air cooler and the environment temperature, and a calculation result is obtained; whether the calculation result and the current state are consistent or nor is judged; if the calculation result and the current state are not consistent, it is determined that the air conditioner water valve breaks down. By means of the detecting method and device, the problem that in the prior art, whether an air conditioner water valve breaks down or not cannot be detected is solved, and the effect of detecting the fault of the air conditioner water valve is achieved.
Description
Technical field
The present invention relates to air conditioner field, in particular to a kind of detecting method and device of air-conditioning water valve.
Background technique
Current central air conditioner end air dish project installation air-conditioning water valve can realize accurately controlling indoor environment temperature.But air-conditioning water valve is a moving element, and it accepts the control of microcomputer controller, and its practical working situation directly cannot feed back to controller, is not easy to be found after air-conditioning water valve fault, affects the use of user.
For the problem that cannot detect air-conditioning water valve whether fault in prior art, at present effective solution is not yet proposed.
Summary of the invention
Main purpose of the present invention is the detecting method and the device that provide a kind of air-conditioning water valve, to solve in prior art the problem that cannot detect dynamoelectric water valve whether fault.
To achieve these goals, according to an aspect of the embodiment of the present invention, a kind of detecting method of air-conditioning water valve is provided.Detecting method according to air-conditioning water valve of the present invention comprises: the current state obtaining air-conditioning water valve; Detect temperature and the ambient temperature of surface cooler in air conditioner; Calculate the state of described air-conditioning water valve according to the temperature of described surface cooler and described ambient temperature, obtain result of calculation; Judge that whether described result of calculation is consistent with described current state; And if described result of calculation and described current state inconsistent, then determine described air-conditioning water valve fault.
Further, judging that whether described result of calculation and described current state be consistent and comprise: when described current state is for closing, judging whether described result of calculation indicates described air-conditioning water valve to be in closed condition; If described result of calculation indicates described air-conditioning water valve to be in described closed condition, then control described air-conditioning water valve and open; When described current state is for opening, judge whether described result of calculation indicates described current state whether to be in opening state; If described result of calculation indicates described current state to be in opening state, then determine that described air-conditioning water valve is normal; And if described result of calculation indicates described current state to be in closed condition, then determine that described air-conditioning water valve is abnormal.
Further, described current state, for closing, calculates the state of described air-conditioning water valve, obtains result of calculation and comprise: detect the temperature of the described surface cooler of first scheduled time and described ambient temperature according to the temperature of described surface cooler and described ambient temperature; Judge whether the temperature of described surface cooler and the temperature difference of described ambient temperature are greater than the first preset temperature; If the temperature difference of the temperature of described surface cooler and described ambient temperature is less than or equal to described first preset temperature, then controls described air-conditioning water valve and open; If the temperature difference of the temperature of described surface cooler and described ambient temperature is greater than described first preset temperature, then determine that described air-conditioning water valve is in normally open; Export the information of described air-conditioning water valve exception.
Further, after the temperature difference of the temperature and described ambient temperature of judging described surface cooler is greater than described first preset temperature, described method also comprises: determine that the refrigerant of described air conditioner provides normal.
Further, described current state, for opening, calculates the state of described air-conditioning water valve, obtains result of calculation and comprise: detect the temperature of the described surface cooler of second scheduled time and described ambient temperature according to the temperature of described surface cooler and described ambient temperature; Judge whether the temperature of described surface cooler and the temperature difference of described ambient temperature are greater than the second preset temperature; If judge that the temperature of described surface cooler and the temperature difference of described ambient temperature are greater than described second preset temperature, then determine that described air-conditioning water valve is normal; If judge that the temperature of described surface cooler and the temperature difference of described ambient temperature are less than or equal to described second preset temperature, then determine that described air-conditioning water valve refrigerant that is abnormal or described air conditioner provides abnormal; Export the information of described air-conditioning water valve exception.
To achieve these goals, according to the another aspect of the embodiment of the present invention, provide a kind of detection device of air-conditioning water valve.Detection device according to air-conditioning water valve of the present invention comprises: acquiring unit, for obtaining the current state of air-conditioning water valve; Detection unit, for detecting temperature and the ambient temperature of surface cooler in air conditioner; Computing unit, for calculating the state of described air-conditioning water valve according to the temperature of described surface cooler and described ambient temperature, obtains result of calculation; Judging unit, for judging that whether described result of calculation is consistent with described current state; And determining unit, for described result of calculation and described current state inconsistent time, determine described air-conditioning water valve fault.
Further, described judging unit comprises: the first judge module, for when described current state is for closing, judges whether described result of calculation indicates described air-conditioning water valve to be in closed condition; First control module, when being in described closed condition for indicating described air-conditioning water valve in described result of calculation, controlling described air-conditioning water valve and opens; Second judge module, for when described current state is for opening, judges whether described result of calculation indicates described current state whether to be in opening state; First determination module, during for indicating described current state to be in opening state in described result of calculation, determines that described air-conditioning water valve is normal; And when described result of calculation indicates described current state to be in closed condition, determine that described air-conditioning water valve is abnormal.
Further, described current state is for closing, and described computing unit comprises: first detection module, for detecting the temperature of the described surface cooler of first scheduled time and described ambient temperature; 3rd judge module, whether the temperature difference for the temperature and described ambient temperature that judge described surface cooler is greater than the first preset temperature; Second control module, for when the temperature of described surface cooler and the temperature difference of described ambient temperature are less than or equal to described first preset temperature, control described air-conditioning water valve and opens; Second determination module, for when the temperature of described surface cooler and the temperature difference of described ambient temperature are greater than described first preset temperature, determines that described air-conditioning water valve is in normally open; First output module, for exporting the information of described air-conditioning water valve exception.
Further, described device also comprises: the 3rd determination module, after being greater than described first preset temperature in the temperature difference of the temperature and described ambient temperature of judging described surface cooler, determines that the refrigerant of described air conditioner provides normal.
Further, described current state is for opening, and described computing unit comprises: the second testing module, for detecting the temperature of the described surface cooler of second scheduled time and described ambient temperature; 4th judge module, whether the temperature difference for the temperature and described ambient temperature that judge described surface cooler is greater than the second preset temperature; 4th determination module, for when the temperature difference of the temperature and described ambient temperature of judging described surface cooler is greater than described second preset temperature, determines that described air-conditioning water valve is normal; When the temperature difference of the temperature and described ambient temperature of judging described surface cooler is less than or equal to described second preset temperature, determine that described air-conditioning water valve refrigerant that is abnormal or described air conditioner provides abnormal; Second output module, for exporting the information of described air-conditioning water valve exception.
According to inventive embodiments, by obtaining the current state of air-conditioning water valve; Detect temperature and the ambient temperature of surface cooler in air conditioner; According to the temperature of surface cooler and the state of ambient temperature calculating air-conditioning water valve, obtain result of calculation; Judge that whether result of calculation is consistent with current state; And if result of calculation and current state inconsistent, then determine air-conditioning water valve fault, the temperature of refrigerant meeting reconciliation statement cooler and then adjusting ambient temperature, and water valve controls chilled water enters surface cooler, therefore, can judge whether water valve breaks down by the temperature difference between the temperature of comparison sheet cooler and ambient temperature, also can judge whether the refrigerant supply of air-conditioning is normal, thus solve in prior art the problem that cannot detect air-conditioning water valve whether fault, reach the effect detecting air-conditioning water valve fault.In addition, when air-conditioning work, the opening and closing of water valve all detect the temperature difference between the temperature of surface cooler and ambient temperature, can improve the accuracy judging water valve fault.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the air-conditioner set according to the embodiment of the present invention;
Fig. 2 is the flow chart of the detecting method of air-conditioning water valve according to the embodiment of the present invention; And
Fig. 3 is the schematic diagram of the detection device of air-conditioning water valve according to the embodiment of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, 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, should belong to the scope of protection of the invention.
It should be noted that, term " first ", " second " etc. in specification of the present invention and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged, in the appropriate case so that embodiments of the invention described herein.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
Embodiments provide a kind of detecting method of air-conditioning water valve.The detecting method of this air-conditioning water valve can utilize the temperature of surface cooler and the temperature difference of ambient temperature whether to be in normal state to detect air-conditioning water valve, when detecting the abnormal state of air-conditioning water valve, can overhaul air-conditioning water valve in time.Fig. 1 shows the structure of the end unit of air-conditioning.As shown in Figure 1, this air-conditioning comprises intake pipe 1, return pipe 2 and end machine, and wherein, end machine comprises water valve 3, surface cooler 4 and controller 5.Surface cooler 4 arranges pipe temperature sensor 6, is used for detecting the temperature of surface cooler 4; Also be provided with environment temperature sensor 7, for detecting room temperature simultaneously.Pipe temperature sensor 6 is all connected with controller 5 with environment temperature sensor 7, controller 5 obtains the temperature of pipe temperature sensor 6 and environment temperature sensor 7 detection, and the temperature of pipe temperature sensor 6 and environment temperature sensor 7 is contrasted, obtain testing result, and judge that whether water valve 3 is normal according to result.
Fig. 2 is the flow chart of the detecting method of air-conditioning water valve according to the embodiment of the present invention.As shown in Figure 2, the detecting method of this air-conditioning water valve comprises the steps:
Step S202, obtains the current state of air-conditioning water valve.
Step S204, detects temperature and the ambient temperature of surface cooler in air conditioner.
Step S206, according to the temperature of surface cooler and the state of ambient temperature calculating air-conditioning water valve, obtains result of calculation.
Step S208, judges that whether result of calculation is consistent with current state.
Step S210, if result of calculation and current state inconsistent, then determine air-conditioning water valve fault.
The state of air-conditioning water valve comprises opening and closing, the state of air-conditioning water valve is calculated by the temperature and ambient temperature detecting surface cooler, air-conditioning carrys out adjusting ambient temperature by the heat absorption of surface cooler or heat release, and air-conditioning water valve can control the refrigerant entering surface cooler, therefore, the state of air-conditioning water valve can be judged according to the temperature of surface cooler and the temperature difference of ambient temperature.Because controller controls the closedown of unlatching of water valve, namely controller records the current state of air-conditioning water valve, when the state of the water valve shown by result of calculation and the current state of controller record inconsistent time, water valve fault is described.Thus solve in prior art the problem that cannot detect air-conditioning water valve whether fault, reach the effect detecting air-conditioning water valve fault.
Preferably, when current state is for closing, judges that whether result of calculation and current state be consistent and comprising: judging whether result of calculation indicates air-conditioning water valve to be in closed condition.If result of calculation instruction air-conditioning water valve is in closed condition, then controls air-conditioning water valve and open.When current state is for opening, judge whether result of calculation indicates current state whether to be in opening state.If result of calculation instruction current state is in opening state, then determine that air-conditioning water valve is normal.And if result of calculation instruction current state is in closed condition, then determine that air-conditioning water valve is abnormal.
When controller controls water valve closedown, detect temperature and the ambient temperature of surface cooler, and judge whether the temperature of surface cooler and the temperature difference of ambient temperature indicate air-conditioning water valve to be in closed condition, if testing result instruction air-conditioning water valve is not in closed condition, then determine water valve fault.If be really in closed condition, then controller can control water valve unlatching, and the temperature of surface cooler and the temperature difference of ambient temperature is detected after control water valve is opened, judge whether the temperature of surface cooler and the temperature difference of ambient temperature indicate water valve to be in opening state, if water valve is in opening state really, then determine that air-conditioning water valve is normal, otherwise, think air-conditioning water valve fault.
Namely, after detecting that water valve is in closed condition when controlling water valve and closing, control water valve is opened, whether the temperature difference detecting the temperature and ambient temperature of opening water valve rear surface cooling device indicates water valve to open, after determining that the temperature of surface cooler and the temperature difference instruction water valve of ambient temperature are opened, determine that water valve does not have fault.Utilize air-conditioning in the course of the work the closedown of water valve and opening state to detect water valve whether fault, just think that water valve does not have fault when water valve cuts out and open and be all in normal state, improve the accuracy detecting water valve fault, and testing process does not affect the normal use of air-conditioning.
Particularly, current state, for closing, judges the state of air-conditioning water valve, obtains result of calculation and comprise: the temperature and the ambient temperature that detect the surface cooler of first scheduled time according to the temperature of surface cooler and ambient temperature.Judge whether the temperature of surface cooler and the temperature difference of ambient temperature are greater than the first preset temperature.If the temperature difference of the temperature of surface cooler and ambient temperature is less than or equal to the first preset temperature, then controls air-conditioning water valve and open.If the temperature difference of the temperature of surface cooler and ambient temperature is greater than the first preset temperature, then determine that air-conditioning water valve is in normally open.Export the information of air-conditioning water valve exception.
When water valve is in closed condition; the temperature difference of both is compared after 2 minutes in the temperature of satisfied detection surface cooler and ambient temperature; if the temperature difference between the temperature of surface cooler and ambient temperature is greater than 10 degrees Celsius, then can determine that the normal or water valve of refrigerant supply is in the fault state often opened.Because refrigerant just makes surface cooler absorb heat in surface cooler or heat release carrys out adjusting ambient temperature, namely refrigerant supply normally just can cause the temperature of surface cooler different from ambient temperature, but the state that water valve cuts out should not have refrigerant enter surface cooler and make the temperature of surface cooler and room temperature have the temperature difference, therefore, when judging that the temperature difference between the temperature of surface cooler and ambient temperature is greater than the first preset temperature, determine the normal and air-conditioning water valve fault of refrigerant supply, and export the information of water valve fault.
Particularly, current state, for opening, judges the state of air-conditioning water valve, obtains result of calculation and comprise: the temperature and the ambient temperature that detect the surface cooler of second scheduled time according to the temperature of surface cooler and ambient temperature.Judge whether the temperature of surface cooler and the temperature difference of ambient temperature are greater than the second preset temperature.If judge that the temperature of surface cooler and the temperature difference of ambient temperature are greater than the second preset temperature, then determine that air-conditioning water valve is normal.If judge that the temperature of surface cooler and the temperature difference of ambient temperature are less than or equal to the second preset temperature, then determine that the refrigerant of air-conditioning water valve exception or air conditioner provides abnormal.Export the information of air-conditioning water valve exception.
When water valve is in opening state, in the temperature of satisfied detection surface cooler and ambient temperature after 1 minute, the temperature difference between relatively, if the temperature difference between the temperature of surface cooler and ambient temperature is greater than 5 degrees Celsius, then can determine that water valve is working properly, otherwise judge that water valve fault cannot be opened or refrigerant supplies abnormal, send the information checking refrigerant or water valve.
Surface cooler passes through heat absorption or the heat radiation adjusting ambient temperature of refrigerant, after water valve is opened, if water valve is normally opened and refrigerant supply is normal, the temperature difference between adjusting ambient temperature and the temperature of surface cooler can become large, therefore, when the temperature difference between the temperature and ambient temperature of surface cooler is greater than 5 degrees Celsius, determine that water valve is working properly.
Pass through above-described embodiment, the temperature of refrigerant meeting reconciliation statement cooler and then adjusting ambient temperature, and water valve controls chilled water enters surface cooler, therefore, can judge whether water valve breaks down by the temperature difference between the temperature of comparison sheet cooler and ambient temperature, also can judge that the refrigerant supply of air-conditioning is whether normal, thus solve in prior art the problem that cannot detect air-conditioning water valve whether fault, reach the effect detecting air-conditioning water valve fault.In addition, when air-conditioning work, the opening and closing of water valve all detect the temperature difference between the temperature of surface cooler and ambient temperature, can improve the accuracy judging water valve fault.
The embodiment of the present invention additionally provides a kind of detection device of air-conditioning water valve.The detection device of the air-conditioning water valve of the embodiment of the present invention may be used for the detecting method performing the air-conditioning water valve that the embodiment of the present invention provides, and the detection device of the air-conditioning water valve that the detecting method of the air-conditioning water valve of the embodiment of the present invention also can be provided by the embodiment of the present invention performs.
Fig. 3 is the schematic diagram of the detection device of air-conditioning water valve according to the embodiment of the present invention.As shown in Figure 3, the detection device of this air-conditioning water valve comprises: acquiring unit 10, detection unit 30, computing unit 50, judging unit 70 and determining unit 90.
Acquiring unit 10 is for obtaining the current state of air-conditioning water valve.
Detection unit 30 is for detecting temperature and the ambient temperature of surface cooler in air conditioner.
Computing unit 50, for according to the temperature of surface cooler and the state of ambient temperature calculating air-conditioning water valve, obtains result of calculation.
Judging unit 70 is for judging that whether result of calculation is consistent with current state.
Determining unit 90 for result of calculation and current state inconsistent time, determine air-conditioning water valve fault.
The state of air-conditioning water valve comprises opening and closing, the state of air-conditioning water valve is calculated by the temperature and ambient temperature detecting surface cooler, air-conditioning carrys out adjusting ambient temperature by the heat absorption of surface cooler or heat release, and air-conditioning water valve can control the refrigerant entering surface cooler, therefore, the state of air-conditioning water valve can be judged according to the temperature of surface cooler and the temperature difference of ambient temperature.Because controller controls the closedown of unlatching of water valve, namely controller records the current state of air-conditioning water valve, when the state of the water valve shown by result of calculation and the current state of controller record inconsistent time, water valve fault is described.Thus solve in prior art the problem that cannot detect air-conditioning water valve whether fault, reach the effect detecting air-conditioning water valve fault.
Preferably, judging unit comprises: the first judge module, for when current state is for closing, judges whether result of calculation indicates air-conditioning water valve to be in closed condition; First control module, for when result of calculation instruction air-conditioning water valve is in closed condition, controls air-conditioning water valve and opens; Second judge module, for when current state is for opening, judges whether result of calculation indicates current state whether to be in opening state; First determination module, for when result of calculation instruction current state is in opening state, determines that air-conditioning water valve is normal; And when result of calculation instruction current state is in closed condition, determine that air-conditioning water valve is abnormal.
When controller controls water valve closedown, detect temperature and the ambient temperature of surface cooler, and judge whether the temperature of surface cooler and the temperature difference of ambient temperature indicate air-conditioning water valve to be in closed condition, if testing result instruction air-conditioning water valve is not in closed condition, then determine water valve fault.If be really in closed condition, then controller can control water valve unlatching, and the temperature of surface cooler and the temperature difference of ambient temperature is detected after control water valve is opened, judge whether the temperature of surface cooler and the temperature difference of ambient temperature indicate water valve to be in opening state, if water valve is in opening state really, then determine that air-conditioning water valve is normal, otherwise, think air-conditioning water valve fault.
Namely, after detecting that water valve is in closed condition when controlling water valve and closing, control water valve is opened, whether the temperature difference detecting the temperature and ambient temperature of opening water valve rear surface cooling device indicates water valve to open, after determining that the temperature of surface cooler and the temperature difference instruction water valve of ambient temperature are opened, determine that water valve does not have fault.Utilize air-conditioning in the course of the work the closedown of water valve and opening state to detect water valve whether fault, just think that water valve does not have fault when water valve cuts out and open and be all in normal state, improve the accuracy detecting water valve fault, and testing process does not affect the normal use of air-conditioning.
Particularly, current state is for closing, and computing unit comprises: first detection module, for detecting temperature and the ambient temperature of the surface cooler of first scheduled time; 3rd judge module, whether the temperature difference for the temperature and ambient temperature that judge surface cooler is greater than the first preset temperature; Second control module, for when the temperature of surface cooler and the temperature difference of ambient temperature are less than or equal to the first preset temperature, control air-conditioning water valve and opens; Second determination module, for when the temperature of surface cooler and the temperature difference of ambient temperature are greater than the first preset temperature, determines that air-conditioning water valve is in normally open; First output module, for exporting the information of air-conditioning water valve exception.
When water valve is in closed condition; the temperature difference of both is compared after 2 minutes in the temperature of satisfied detection surface cooler and ambient temperature; if the temperature difference between the temperature of surface cooler and ambient temperature is greater than 10 degrees Celsius, then can determine that the normal or water valve of refrigerant supply is in the fault state often opened.Because refrigerant just makes surface cooler absorb heat in surface cooler or heat release carrys out adjusting ambient temperature, namely refrigerant supply normally just can cause the temperature of surface cooler different from ambient temperature, but the state that water valve cuts out should not have refrigerant enter surface cooler and make the temperature of surface cooler and room temperature have the temperature difference, therefore, when judging that the temperature difference between the temperature of surface cooler and ambient temperature is greater than the first preset temperature, determine the normal and air-conditioning water valve fault of refrigerant supply, and export the information of water valve fault.
Particularly, current state is for opening, and computing unit comprises: the second testing module, for detecting temperature and the ambient temperature of the surface cooler of second scheduled time; 4th judge module, whether the temperature difference for the temperature and ambient temperature that judge surface cooler is greater than the second preset temperature; 4th determination module, for when the temperature difference of the temperature and ambient temperature of judging surface cooler is greater than the second preset temperature, determines that air-conditioning water valve is normal; When the temperature difference of the temperature and ambient temperature of judging surface cooler is less than or equal to the second preset temperature, determine that the refrigerant of air-conditioning water valve exception or air conditioner provides abnormal; Second output module, for exporting the information of air-conditioning water valve exception.
When water valve is in opening state, in the temperature of satisfied detection surface cooler and ambient temperature after 1 minute, the temperature difference between relatively, if the temperature difference between the temperature of surface cooler and ambient temperature is greater than 5 degrees Celsius, then can determine that water valve is working properly, otherwise judge that water valve fault cannot be opened or refrigerant supplies abnormal, send the information checking refrigerant or water valve.
Surface cooler passes through heat absorption or the heat radiation adjusting ambient temperature of refrigerant, after water valve is opened, if water valve is normally opened and refrigerant supply is normal, the temperature difference between adjusting ambient temperature and the temperature of surface cooler can become large, therefore, when the temperature difference between the temperature and ambient temperature of surface cooler is greater than 5 degrees Celsius, determine that water valve is working properly.
Pass through above-described embodiment, the temperature of refrigerant meeting reconciliation statement cooler and then adjusting ambient temperature, and water valve controls chilled water enters surface cooler, therefore, can judge whether water valve breaks down by the temperature difference between the temperature of comparison sheet cooler and ambient temperature, also can judge that the refrigerant supply of air-conditioning is whether normal, thus solve in prior art the problem that cannot detect air-conditioning water valve whether fault, reach the effect detecting air-conditioning water valve fault.In addition, when air-conditioning work, the opening and closing of water valve all detect the temperature difference between the temperature of surface cooler and ambient temperature, can improve the accuracy judging water valve fault.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
In several embodiments that the application provides, should be understood that, disclosed device, the mode by other realizes.Such as, device embodiment described above is only schematic, the such as division of described unit, be only a kind of logical function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple NE.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technological scheme of the present invention contributes to prior art in essence in other words or all or part of of this technological scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprises all or part of step of some instructions in order to make a computer equipment (can be personal computer, mobile terminal, server or the network equipment etc.) perform method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, ROM (read-only memory) (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), portable hard drive, magnetic disc or CD etc. various can be program code stored medium.
The foregoing is only the preferred embodiments of the present 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 protection scope of the present invention.
Claims (10)
1. a detecting method for air-conditioning water valve, is characterized in that, comprising:
Obtain the current state of air-conditioning water valve;
Detect temperature and the ambient temperature of surface cooler in air conditioner;
Calculate the state of described air-conditioning water valve according to the temperature of described surface cooler and described ambient temperature, obtain result of calculation;
Judge that whether described result of calculation is consistent with described current state; And
If described result of calculation and described current state inconsistent, then determine described air-conditioning water valve fault.
2. method according to claim 1, is characterized in that, judges that whether described result of calculation and described current state be consistent and comprises:
When described current state is for closing, judge whether described result of calculation indicates described air-conditioning water valve to be in closed condition;
If described result of calculation indicates described air-conditioning water valve to be in described closed condition, then control described air-conditioning water valve and open;
When described current state is for opening, judge whether described result of calculation indicates described current state whether to be in opening state;
If described result of calculation indicates described current state to be in opening state, then determine that described air-conditioning water valve is normal; And
If described result of calculation indicates described current state to be in closed condition, then determine that described air-conditioning water valve is abnormal.
3. method according to claim 1, is characterized in that, described current state, for closing, calculates the state of described air-conditioning water valve, obtains result of calculation and comprise according to the temperature of described surface cooler and described ambient temperature:
Detect the temperature of the described surface cooler of first scheduled time and described ambient temperature;
Judge whether the temperature of described surface cooler and the temperature difference of described ambient temperature are greater than the first preset temperature;
If the temperature difference of the temperature of described surface cooler and described ambient temperature is less than or equal to described first preset temperature, then controls described air-conditioning water valve and open;
If the temperature difference of the temperature of described surface cooler and described ambient temperature is greater than described first preset temperature, then determine that described air-conditioning water valve is in normally open;
Export the information of described air-conditioning water valve exception.
4. method according to claim 3, is characterized in that, after the temperature difference of the temperature and described ambient temperature of judging described surface cooler is greater than described first preset temperature, described method also comprises:
Determine that the refrigerant of described air conditioner provides normal.
5. method according to claim 1, is characterized in that, described current state, for opening, calculates the state of described air-conditioning water valve, obtains result of calculation and comprise according to the temperature of described surface cooler and described ambient temperature:
Detect the temperature of the described surface cooler of second scheduled time and described ambient temperature;
Judge whether the temperature of described surface cooler and the temperature difference of described ambient temperature are greater than the second preset temperature;
If judge that the temperature of described surface cooler and the temperature difference of described ambient temperature are greater than described second preset temperature, then determine that described air-conditioning water valve is normal;
If judge that the temperature of described surface cooler and the temperature difference of described ambient temperature are less than or equal to described second preset temperature, then determine that described air-conditioning water valve refrigerant that is abnormal or described air conditioner provides abnormal;
Export the information of described air-conditioning water valve exception.
6. a detection device for air-conditioning water valve, is characterized in that, comprising:
Acquiring unit, for obtaining the current state of air-conditioning water valve;
Detection unit, for detecting temperature and the ambient temperature of surface cooler in air conditioner;
Computing unit, for calculating the state of described air-conditioning water valve according to the temperature of described surface cooler and described ambient temperature, obtains result of calculation;
Judging unit, for judging that whether described result of calculation is consistent with described current state; And
Determining unit, for described result of calculation and described current state inconsistent time, determine described air-conditioning water valve fault.
7. device according to claim 6, is characterized in that, described judging unit comprises:
First judge module, for when described current state is for closing, judges whether described result of calculation indicates described air-conditioning water valve to be in closed condition;
First control module, when being in described closed condition for indicating described air-conditioning water valve in described result of calculation, controlling described air-conditioning water valve and opens;
Second judge module, for when described current state is for opening, judges whether described result of calculation indicates described current state whether to be in opening state;
First determination module, during for indicating described current state to be in opening state in described result of calculation, determines that described air-conditioning water valve is normal; And when described result of calculation indicates described current state to be in closed condition, determine that described air-conditioning water valve is abnormal.
8. device according to claim 6, is characterized in that, described current state is for closing, and described computing unit comprises:
First detection module, for detecting the temperature of the described surface cooler of first scheduled time and described ambient temperature;
3rd judge module, whether the temperature difference for the temperature and described ambient temperature that judge described surface cooler is greater than the first preset temperature;
Second control module, for when the temperature of described surface cooler and the temperature difference of described ambient temperature are less than or equal to described first preset temperature, control described air-conditioning water valve and opens;
Second determination module, for when the temperature of described surface cooler and the temperature difference of described ambient temperature are greater than described first preset temperature, determines that described air-conditioning water valve is in normally open;
First output module, for exporting the information of described air-conditioning water valve exception.
9. device according to claim 8, is characterized in that, described device also comprises:
3rd determination module, after being greater than described first preset temperature in the temperature difference of the temperature and described ambient temperature of judging described surface cooler, determines that the refrigerant of described air conditioner provides normal.
10. device according to claim 6, is characterized in that, described current state is for opening, and described computing unit comprises:
Second testing module, for detecting the temperature of the described surface cooler of second scheduled time and described ambient temperature;
4th judge module, whether the temperature difference for the temperature and described ambient temperature that judge described surface cooler is greater than the second preset temperature;
4th determination module, for when the temperature difference of the temperature and described ambient temperature of judging described surface cooler is greater than described second preset temperature, determines that described air-conditioning water valve is normal; When the temperature difference of the temperature and described ambient temperature of judging described surface cooler is less than or equal to described second preset temperature, determine that described air-conditioning water valve refrigerant that is abnormal or described air conditioner provides abnormal;
Second output module, for exporting the information of described air-conditioning water valve exception.
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| CN105115098A (en) * | 2015-07-20 | 2015-12-02 | 广东美的暖通设备有限公司 | Method and system for automatically detecting mounting positions of coil temperature sensors of fan coils |
| CN107191658A (en) * | 2017-06-09 | 2017-09-22 | 北京万世明科技发展有限公司 | Two-wire system realizes the method and device of solenoid valve control and state-detection |
| CN109163415A (en) * | 2018-07-23 | 2019-01-08 | 成都慧云阵信息技术有限公司 | Central air conditioning water system adjustment method, method for diagnosing faults, running optimizatin method |
| CN115711455A (en) * | 2022-11-14 | 2023-02-24 | 珠海格力电器股份有限公司 | Fault detection method and device for air conditioner chilled water valve, air conditioner and storage medium |
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| EP1508752A1 (en) * | 2003-08-22 | 2005-02-23 | Chi-Seng Huang | Thermohygrostat-type air conditioner with means for controlling evaporation temperature |
| JP2005257166A (en) * | 2004-03-11 | 2005-09-22 | Toshiba Corp | Air conditioner control system and air conditioner control method |
| CN101957045B (en) * | 2010-09-10 | 2013-04-24 | 深圳麦克维尔空调有限公司 | Method for automatically adjusting cooling water flow of air conditioning unit |
| CN103575514B (en) * | 2012-07-26 | 2015-09-16 | 珠海格力电器股份有限公司 | Air conditioner and detection method thereof and device |
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| CN105115098A (en) * | 2015-07-20 | 2015-12-02 | 广东美的暖通设备有限公司 | Method and system for automatically detecting mounting positions of coil temperature sensors of fan coils |
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| CN107191658A (en) * | 2017-06-09 | 2017-09-22 | 北京万世明科技发展有限公司 | Two-wire system realizes the method and device of solenoid valve control and state-detection |
| CN109163415A (en) * | 2018-07-23 | 2019-01-08 | 成都慧云阵信息技术有限公司 | Central air conditioning water system adjustment method, method for diagnosing faults, running optimizatin method |
| CN115711455A (en) * | 2022-11-14 | 2023-02-24 | 珠海格力电器股份有限公司 | Fault detection method and device for air conditioner chilled water valve, air conditioner and storage medium |
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