CN105241070A - Method and device for protecting and controlling air-source water heater short of fluorine and air-source water heater - Google Patents
Method and device for protecting and controlling air-source water heater short of fluorine and air-source water heater Download PDFInfo
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- CN105241070A CN105241070A CN201510757945.2A CN201510757945A CN105241070A CN 105241070 A CN105241070 A CN 105241070A CN 201510757945 A CN201510757945 A CN 201510757945A CN 105241070 A CN105241070 A CN 105241070A
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Abstract
The invention discloses a method and device for protecting and controlling an air-source water heater short of fluorine and the air-source water heater. The method comprises the following steps of: controlling the air-source water heater machine set to run for the first preset time; continuously obtaining the suction temperature of a compressor, the exhaust gas temperature of the compressor, an external environment temperature and a water temperature for the second preset time in real time; calculating a first difference value between the suction temperature of the compressor and the external environmental temperature and a second difference value between the exhaust gas temperature of the compressor and the water temperature; and if the first difference value reaches the first setting temperature and the second difference value reaches the second setting temperature, judging that the air-source water heater is short of fluorine, controlling a display screen to display a fault code corresponding to fluorine deficiency and the air-source water heater machine set to stop running. The technical scheme provided by the invention can timely determine that whether the air-source water heater is at a fluorine deficiency state, can remind a user and control the machine set to stop running when the air-source water heater is at the fluorine deficiency state, and can avoid the damage of the machine set while improving the user experience, and obviously improves the safety.
Description
Technical field
The present invention relates to control technology field, particularly relate to a kind of air-source water heater and lack fluorine protecting control method, device and air-source water heater.
Background technology
Air-source water heater, also claims " air source hot pump water heater ".Air-source water heater absorbs the low-temperature heat quantity in air come in, and through the gasification of fluorine medium, then by pressure build up after compressor compresses, then transforms feedwater heating (high temperature heat after compression heats water temperature with this) by heat exchanger.Air-source water heater has energy-efficient feature, manufactures identical hot water amount, is 4 ~ 6 times of electric heater, utilize efficiency high, solar water heater can be overcome again need rely on sunlight to adopt heat and the problem of inconvenience is installed simultaneously, therefore, receive the welcome of people gradually.
Existing domestic air energy water heater, due to the consideration of product cost aspect, does not generally install low-voltage protective switch and high and low pressure sensor.Therefore, if domestic air energy water heater unit lacks refrigerant, then complete machine heat exchange amount is little does not even have heat exchange amount, outside evaporating temperature and system low-voltage continue to reduce, evaporimeter inlet/outlet pipe excessive temperature differentials, compressor air suction temperature and delivery temperature high, but unit is high owing to not being equipped with, low pressure sensor and low-voltage protective switch, therefore fault cannot be pointed out, also low-voltage variation cannot be carried out to unit in time, thus cause air-source water heater cannot hot water preparing, and, if unit runs for a long time under scarce fluorine state, also will compressor be likely caused to be damaged.
Therefore; in current technology; the domestic air energy water heater of low-voltage protective switch and high and low pressure sensor is not installed; fluorine cannot be lacked and takes safeguard measure when scarce fluorine by Timeliness coverage; thus cause on the one hand unit cannot normally hot water preparing time can not reminding user in time; make user experience poor, easily damage unit on the other hand.
Summary of the invention
In view of this; the invention provides a kind of air-source water heater and lack fluorine protecting control method, device and air-source water heater; can determine whether air-source water heater is in scarce fluorine state in time; when being in scarce fluorine state; can reminding user to control air-source water heater unit out of service; while lifting Consumer's Experience, can avoid damaging unit, make security have obvious lifting.
For achieving the above object, the invention provides following technical scheme:
A kind of air-source water heater lacks fluorine protecting control method, comprising:
Control air-source water heater unit operation first Preset Time;
Continuous second Preset Time Real-time Obtaining compressor air suction temperature, compressor exhaust temperature, ambient temperature and water temperature;
Calculate the first difference of described compressor air suction temperature and described ambient temperature, and the second difference of described compressor exhaust temperature and described water temperature;
If described first difference reaches the first design temperature, described second difference reaches the second design temperature, judge that described air-source water heater unit lacks fluorine, controlling the failure code that display screen display is corresponding with lacking fluorine, controlling described air-source water heater unit out of service.
Preferably, before described control air-source water heater unit operation first Preset Time, also comprise:
Obtain current outside environment temperature and work as front evaporator and enter pipe temperature;
Judge that described current outside environment temperature and the described absolute value entering the difference of pipe temperature when front evaporator are less than the 3rd design temperature.
Preferably, also comprise:
If judge, described air-source water heater unit lacks fluorine, and the voice corresponding with lacking fluorine reported by control loudspeaker.
Preferably, also comprise:
If judge, described air-source water heater unit lacks fluorine, controls communication module and sends the machine machine group coding and the corresponding failure code of described and scarce fluorine to remote server.
Preferably, obtain described compressor air suction temperature respectively by the air-breathing temperature-sensitive bag in air-source water heater, exhaust temperature-sensitive bag obtains described compressor exhaust temperature, and environment temperature-sensitive bag obtains described ambient temperature, and water temperature temperature-sensitive bag obtains described water temperature.
Preferably, obtain described current outside environment temperature by the environment temperature-sensitive bag in air-source water heater, evaporimeter enters the described front evaporator of working as of pipe temperature-sensitive bag acquisition and enters pipe temperature.
A kind of air-source water heater lacks fluorine protecting control device, comprising:
First control module, for controlling air-source water heater unit operation first Preset Time;
First acquisition module, for continuous second Preset Time Real-time Obtaining compressor air suction temperature, compressor exhaust temperature, ambient temperature and water temperature;
Computing module, for calculating the first difference of described compressor air suction temperature and described ambient temperature, and the second difference of described compressor exhaust temperature and described water temperature;
Second control module, if reach the first design temperature for described first difference, described second difference reaches the second design temperature, judges that described air-source water heater unit lacks fluorine, controlling the failure code that display screen display is corresponding with lacking fluorine, controlling described air-source water heater unit out of service.
Preferably, also comprise:
Second acquisition module, enters pipe temperature for obtaining current outside environment temperature and working as front evaporator;
Determination module, for judging that described current outside environment temperature and the described absolute value entering the difference of pipe temperature when front evaporator are less than the 3rd design temperature.
Preferably, also comprise:
3rd control module, if for judging that described air-source water heater unit lacks fluorine, the voice corresponding with lacking fluorine reported by control loudspeaker.
Preferably, also comprise:
4th control module, if for judging that described air-source water heater unit lacks fluorine, controlling communication module and sending the machine machine group coding and the corresponding failure code of described and scarce fluorine to remote server.
A kind of air-source water heater, comprising:
Controller and the display screen be connected with described controller;
The operation of described controller comprises: control air-source water heater unit operation first Preset Time; Continuous second Preset Time Real-time Obtaining compressor air suction temperature, compressor exhaust temperature, ambient temperature and water temperature; Calculate the first difference of described compressor air suction temperature and described ambient temperature, and the second difference of described compressor exhaust temperature and described water temperature; If described first difference reaches the first design temperature, described second difference reaches the second design temperature, judge that described air-source water heater unit lacks fluorine, controlling the failure code that display screen display is corresponding with lacking fluorine, controlling described air-source water heater unit out of service.
Preferably, described air-source water heater also comprises:
The loudspeaker be connected with described controller; Then the operation of described controller also comprises, if judge, described air-source water heater unit lacks fluorine, and the voice corresponding with lacking fluorine reported by control loudspeaker.
Preferably, described air-source water heater also comprises:
The communication module be connected with described controller; Then the operation of described controller also comprises, if judge, described air-source water heater unit lacks fluorine, controls communication module and sends the machine machine group coding and the corresponding failure code of described and scarce fluorine to remote server.
Known via above-mentioned technical scheme, compared with prior art, the invention provides a kind of air-source water heater and lack fluorine protecting control method, device and air-source water heater.Air-source water heater provided by the invention lacks fluorine protecting control method, first air-source water heater unit operation first Preset Time is controlled, then continuous second Preset Time Real-time Obtaining compressor air suction temperature, compressor exhaust temperature, ambient temperature and water temperature, calculate the first difference of described compressor air suction temperature and described ambient temperature, and the second difference of described compressor exhaust temperature and described water temperature, if described first difference reaches the first design temperature, described second difference reaches the second design temperature, then can judge that described air-source water heater unit lacks fluorine, then the failure code that display screen display is corresponding with lacking fluorine is controlled, control described air-source water heater unit out of service.Therefore, technical scheme provided by the invention, at air-source water heater, low-voltage protective switch and height are not installed, under the prerequisite of low pressure sensor, calculated by above-mentioned series of temperature and judge, just can determine whether air-source water heater is in scarce fluorine state, if judge, air-source water heater is in scarce fluorine state, the failure code that display screen display is corresponding with lacking fluorine can be controlled, fluorine is lacked to point out user's air-source water heater, can user be allowed in time to adjust water demand, better user experience, in addition, if judge, air-source water heater is in scarce fluorine state, control described air-source water heater unit out of service, thus still continue when air-source water heater can be avoided to lack fluorine to run the unit damage that may bring, security is made to have obvious lifting.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 lacks the flow chart of fluorine protecting control method for a kind of air-source water heater that the embodiment of the present invention provides;
Fig. 2 lacks the flow chart of fluorine protecting control method for another air-source water heater that the embodiment of the present invention provides;
Fig. 3 lacks the structure chart of fluorine protecting control device for a kind of air-source water heater that the embodiment of the present invention provides;
Fig. 4 lacks the structure chart of fluorine protecting control device for another air-source water heater that the embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Embodiment one
Refer to Fig. 1, Fig. 1 lacks the flow chart of fluorine protecting control method for a kind of air-source water heater that the embodiment of the present invention provides.As shown in Figure 1, the method comprises:
Step S101, controls air-source water heater unit operation first Preset Time;
Concrete, described first Preset Time optionally, is 30 minutes.
Step S102, continuous second Preset Time Real-time Obtaining compressor air suction temperature, compressor exhaust temperature, ambient temperature and water temperature;
Concrete, the second Preset Time optionally, is 3 minutes.
Concrete, described air-source water heater comprises air-breathing temperature-sensitive bag, exhaust temperature-sensitive bag, environment temperature-sensitive bag and water temperature temperature-sensitive bag.Obtain described compressor air suction temperature by described air-breathing temperature-sensitive bag, obtain described compressor exhaust temperature by described exhaust temperature-sensitive bag, obtain described ambient temperature by described environment temperature-sensitive bag, obtain described water temperature by described water temperature temperature-sensitive bag.
Step S103, calculates the first difference of described compressor air suction temperature and described ambient temperature, and the second difference of described compressor exhaust temperature and described water temperature;
Step S104, if described first difference reaches the first design temperature, described second difference reaches the second design temperature, judges that described air-source water heater unit lacks fluorine, controlling the failure code that display screen display is corresponding with lacking fluorine, controlling described air-source water heater unit out of service;
Concrete, if described first difference reaches the first design temperature, and described second difference reaches the second design temperature, then can determine that described air-source water heater unit lacks fluorine, now, needing to control the display screen display failure code corresponding with lacking fluorine, controlling described air-source water heater unit out of service.
Concrete, with the air-source water heater of R22 (CHCLF2, monochlorodifluoromethane) refrigerant for example, when ambient temperature is 20 degrees Celsius, described first design temperature optionally, is 5 degrees Celsius, described second design temperature optionally, is 40 degrees Celsius.
It should be noted that, due under different ambient temperature, coolant quantity needed for air-source water heater unit operation can be different along with the change of ambient temperature, therefore, for ensureing the accuracy that scarce fluorine judges, certain correction is done in the change along with ambient temperature by described first design temperature and described second design temperature.
The air-source water heater that the embodiment of the present invention one provides lacks fluorine protecting control method, first air-source water heater unit operation first Preset Time is controlled, then continuous second Preset Time Real-time Obtaining compressor air suction temperature, compressor exhaust temperature, ambient temperature and water temperature, calculate the first difference of described compressor air suction temperature and described ambient temperature, and the second difference of described compressor exhaust temperature and described water temperature, if described first difference reaches the first design temperature, described second difference reaches the second design temperature, then can judge that described air-source water heater unit lacks fluorine, then the failure code that display screen display is corresponding with lacking fluorine is controlled, control described air-source water heater unit out of service.Therefore, technical scheme provided by the invention, at air-source water heater, low-voltage protective switch and height are not installed, under the prerequisite of low pressure sensor, calculated by above-mentioned series of temperature and judge, just can determine whether air-source water heater is in scarce fluorine state, if judge, air-source water heater is in scarce fluorine state, the failure code that display screen display is corresponding with lacking fluorine can be controlled, fluorine is lacked to point out user's air-source water heater, can user be allowed in time to adjust water demand, better user experience, in addition, if judge, air-source water heater is in scarce fluorine state, control described air-source water heater unit out of service, thus still continue when air-source water heater can be avoided to lack fluorine to run the unit damage that may bring, security is made to have obvious lifting.
It should be noted that; the technical scheme that the embodiment of the present invention one provides; based on the metastable situation of ambient temperature; be understandable that; ambient temperature is generally metastable within the shorter time period (such as 1 hour); but also there is the vertiginous possibility of environment temperature; if perform the technical scheme that the embodiment of the present invention one provides when environment temperature changes rapidly; can decrease to the accuracy that scarce fluorine judges, protection by mistake may be occurred and make air-source water heater compressor emergency shutdown.In order to avoid the generation of this problem, the present invention also provides another one embodiment, in order to solve this problem.
Embodiment two
Refer to Fig. 2, Fig. 2 lacks the flow chart of fluorine protecting control method for another air-source water heater that the embodiment of the present invention provides.As shown in Figure 2, the method comprises:
Step S201, obtains current outside environment temperature and enters pipe temperature when front evaporator;
Concrete, described air-source water heater comprises environment temperature-sensitive bag and evaporimeter enters pipe temperature-sensitive bag.Obtain described current outside environment temperature by described environment temperature-sensitive bag, enter the described front evaporator of working as of pipe temperature-sensitive bag acquisition by described evaporimeter and enter pipe temperature.
Step S202, judges that described current outside environment temperature and the described absolute value entering the difference of pipe temperature when front evaporator are less than the 3rd design temperature;
Concrete, described step S202 comprises:
Judge whether described current outside environment temperature and the described absolute value entering the difference of pipe temperature when front evaporator are less than the 3rd design temperature;
If so, then judge that (namely determining) described current outside environment temperature is worked as the absolute value that front evaporator enters the difference of pipe temperature be less than the 3rd design temperature with described.
Concrete, judge when the absolute value that front evaporator enters the difference of pipe temperature is less than the 3rd design temperature, described current outside environment temperature just can determine that current outside environment temperature is more stable with described, less than in rapid change.
Step S203, controls air-source water heater unit operation first Preset Time;
Concrete, described first Preset Time optionally, is 30 minutes.
Step S204, continuous second Preset Time Real-time Obtaining compressor air suction temperature, compressor exhaust temperature, ambient temperature and water temperature;
Concrete, the second Preset Time optionally, is 3 minutes.
Concrete, described air-source water heater comprises air-breathing temperature-sensitive bag, exhaust temperature-sensitive bag, environment temperature-sensitive bag and water temperature temperature-sensitive bag.Obtain described compressor air suction temperature by described air-breathing temperature-sensitive bag, obtain described compressor exhaust temperature by described exhaust temperature-sensitive bag, obtain described ambient temperature by described environment temperature-sensitive bag, obtain described water temperature by described water temperature temperature-sensitive bag.
Step S205, calculates the first difference of described compressor air suction temperature and described ambient temperature, and the second difference of described compressor exhaust temperature and described water temperature;
Step S206, if described first difference reaches the first design temperature, described second difference reaches the second design temperature, judges that described air-source water heater unit lacks fluorine, controlling the failure code that display screen display is corresponding with lacking fluorine, controlling described air-source water heater unit out of service;
Concrete, if described first difference reaches the first design temperature, and described second difference reaches the second design temperature, then can determine that described air-source water heater unit lacks fluorine, now, needing to control the display screen display failure code corresponding with lacking fluorine, controlling described air-source water heater unit out of service.
The technical scheme that the embodiment of the present invention two provides; described current outside environment temperature and described when the absolute value that front evaporator enters the difference of pipe temperature is less than the 3rd design temperature is judged by described step S201 and described step S202; namely can determine that current outside environment temperature is more stable; not in rapid change; and then perform the technical scheme that the embodiment of the present invention one provides, thus effectively can avoid occurring the scarce fluorine misinterpretation protection problem of shutting down even by mistake.
Optionally, the air-source water heater that another one embodiment of the present invention provides lacks fluorine protecting control method, also comprises:
If judge, described air-source water heater unit lacks fluorine, and the voice corresponding with lacking fluorine reported by control loudspeaker.
Concrete, reporting the voice corresponding with lacking fluorine by loudspeaker, user's air-source water heater can be reminded in time to lack fluorine, facilitate user to adjust water demand or plan in time, the experience of user can be promoted to a certain extent.
Optionally, the air-source water heater that another one embodiment of the present invention provides lacks fluorine protecting control method, also comprises:
If judge, described air-source water heater unit lacks fluorine, controls communication module and sends the machine machine group coding and the corresponding failure code of described and scarce fluorine to remote server.
Concrete, by communication module, the machine machine group coding and the corresponding failure code of described and scarce fluorine are sent to remote server, can realize in time reporting for repairment.
In order to set forth technical scheme provided by the invention more all sidedly, the air-source water heater provided corresponding to the embodiment of the present invention one lacks fluorine protecting control method, and the present invention discloses a kind of air-source water heater and lacks fluorine protecting control device.
Refer to Fig. 3, Fig. 3 lacks the structure chart of fluorine protecting control device for a kind of air-source water heater that the embodiment of the present invention provides.As shown in Figure 3, this device comprises:
First control module 301, for controlling air-source water heater unit operation first Preset Time;
First acquisition module 302, for continuous second Preset Time Real-time Obtaining compressor air suction temperature, compressor exhaust temperature, ambient temperature and water temperature;
Computing module 303, for calculating the first difference of described compressor air suction temperature and described ambient temperature, and the second difference of described compressor exhaust temperature and described water temperature;
Second control module 304, if reach the first design temperature for described first difference, described second difference reaches the second design temperature, judge that described air-source water heater unit lacks fluorine, controlling the failure code that display screen display is corresponding with lacking fluorine, controlling described air-source water heater unit out of service.
To lack fluorine protecting control method corresponding with the air-source water heater that the embodiment of the present invention two provides, and the embodiment of the present invention also provides another air-source water heater to lack fluorine protecting control device.
Refer to Fig. 4, Fig. 4 lacks the structure chart of fluorine protecting control device for another air-source water heater that the embodiment of the present invention provides.As shown in Figure 4, this device comprises:
Second acquisition module 401, enters pipe temperature for obtaining current outside environment temperature and working as front evaporator;
Determination module 402, for judging that described current outside environment temperature and the described absolute value entering the difference of pipe temperature when front evaporator are less than the 3rd design temperature;
First control module 403, for controlling air-source water heater unit operation first Preset Time;
First acquisition module 404, for continuous second Preset Time Real-time Obtaining compressor air suction temperature, compressor exhaust temperature, ambient temperature and water temperature;
Computing module 405, for calculating the first difference of described compressor air suction temperature and described ambient temperature, and the second difference of described compressor exhaust temperature and described water temperature;
Second control module 406, if reach the first design temperature for described first difference, described second difference reaches the second design temperature, judge that described air-source water heater unit lacks fluorine, controlling the failure code that display screen display is corresponding with lacking fluorine, controlling described air-source water heater unit out of service.
Optionally, the air-source water heater that another one embodiment of the present invention provides lacks fluorine protecting control device, also comprises:
3rd control module, if for judging that described air-source water heater unit lacks fluorine, the voice corresponding with lacking fluorine reported by control loudspeaker.
Optionally, the air-source water heater that another one embodiment of the present invention provides lacks fluorine protecting control device, also comprises:
4th control module, if for judging that described air-source water heater unit lacks fluorine, controlling communication module and sending the machine machine group coding and the corresponding failure code of described and scarce fluorine to remote server.
In order to protect technical scheme provided by the invention more all sidedly, the air-source water heater provided corresponding to the embodiment of the present invention lacks fluorine protecting control method, and the present invention discloses a kind of air-source water heater.
The air-source water heater that the embodiment of the present invention provides, comprising:
Controller and the display screen be connected with described controller;
The operation of described controller comprises: control air-source water heater unit operation first Preset Time; Continuous second Preset Time Real-time Obtaining compressor air suction temperature, compressor exhaust temperature, ambient temperature and water temperature; Calculate the first difference of described compressor air suction temperature and described ambient temperature, and the second difference of described compressor exhaust temperature and described water temperature; If described first difference reaches the first design temperature, described second difference reaches the second design temperature, judge that described air-source water heater unit lacks fluorine, controlling the failure code that display screen display is corresponding with lacking fluorine, controlling described air-source water heater unit out of service.
Optionally, the air-source water heater that another one embodiment of the present invention provides, the operation of described controller also comprises:
Before described control air-source water heater unit operation first Preset Time, obtain current outside environment temperature and enter pipe temperature when front evaporator;
Judge that described current outside environment temperature and the described absolute value entering the difference of pipe temperature when front evaporator are less than the 3rd design temperature.
Optionally, the air-source water heater that another one embodiment of the present invention provides, also comprises:
The loudspeaker be connected with described controller; Then the operation of described controller also comprises, if judge, described air-source water heater unit lacks fluorine, and the voice corresponding with lacking fluorine reported by control loudspeaker.
Optionally, the air-source water heater that another one embodiment of the present invention provides, also comprises:
The communication module be connected with described controller; Then the operation of described controller also comprises, if judge, described air-source water heater unit lacks fluorine, controls communication module and sends the machine machine group coding and the corresponding failure code of described and scarce fluorine to remote server.
Known via above-mentioned technical scheme, compared with prior art, the invention provides a kind of air-source water heater and lack fluorine protecting control method, device and air-source water heater.Air-source water heater provided by the invention lacks fluorine protecting control method, first air-source water heater unit operation first Preset Time is controlled, then continuous second Preset Time Real-time Obtaining compressor air suction temperature, compressor exhaust temperature, ambient temperature and water temperature, calculate the first difference of described compressor air suction temperature and described ambient temperature, and the second difference of described compressor exhaust temperature and described water temperature, if described first difference reaches the first design temperature, described second difference reaches the second design temperature, then can judge that described air-source water heater unit lacks fluorine, then the failure code that display screen display is corresponding with lacking fluorine is controlled, control described air-source water heater unit out of service.Therefore, technical scheme provided by the invention, at air-source water heater, low-voltage protective switch and height are not installed, under the prerequisite of low pressure sensor, calculated by above-mentioned series of temperature and judge, just can determine whether air-source water heater is in scarce fluorine state, if judge, air-source water heater is in scarce fluorine state, the failure code that display screen display is corresponding with lacking fluorine can be controlled, fluorine is lacked to point out user's air-source water heater, can user be allowed in time to adjust water demand, better user experience, in addition, if judge, air-source water heater is in scarce fluorine state, control described air-source water heater unit out of service, thus still continue when air-source water heater can be avoided to lack fluorine to run the unit damage that may bring, security is made to have obvious lifting.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For device disclosed in embodiment and air-source water heater, because it is corresponding with method part disclosed in embodiment, so description is fairly simple, relevant part illustrates see method part.
The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to perform, or the combination of the two is implemented.Software module can be placed in the storage medium of other form any known in random access memory (RAM), internal memory, read-only storage (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (13)
1. air-source water heater lacks a fluorine protecting control method, it is characterized in that, comprising:
Control air-source water heater unit operation first Preset Time;
Continuous second Preset Time Real-time Obtaining compressor air suction temperature, compressor exhaust temperature, ambient temperature and water temperature;
Calculate the first difference of described compressor air suction temperature and described ambient temperature, and the second difference of described compressor exhaust temperature and described water temperature;
If described first difference reaches the first design temperature, described second difference reaches the second design temperature, judge that described air-source water heater unit lacks fluorine, controlling the failure code that display screen display is corresponding with lacking fluorine, controlling described air-source water heater unit out of service.
2. method according to claim 1, is characterized in that, before described control air-source water heater unit operation first Preset Time, also comprises:
Obtain current outside environment temperature and work as front evaporator and enter pipe temperature;
Judge that described current outside environment temperature and the described absolute value entering the difference of pipe temperature when front evaporator are less than the 3rd design temperature.
3. method according to claim 1, is characterized in that, also comprises:
If judge, described air-source water heater unit lacks fluorine, and the voice corresponding with lacking fluorine reported by control loudspeaker.
4. method according to claim 1, is characterized in that, also comprises:
If judge, described air-source water heater unit lacks fluorine, controls communication module and sends the machine machine group coding and the corresponding failure code of described and scarce fluorine to remote server.
5. method according to claim 1, it is characterized in that, described compressor air suction temperature is obtained respectively by the air-breathing temperature-sensitive bag in air-source water heater, exhaust temperature-sensitive bag obtains described compressor exhaust temperature, environment temperature-sensitive bag obtains described ambient temperature, and water temperature temperature-sensitive bag obtains described water temperature.
6. method according to claim 2, is characterized in that, obtains described current outside environment temperature by the environment temperature-sensitive bag in air-source water heater, and evaporimeter enters the described front evaporator of working as of pipe temperature-sensitive bag acquisition and enters pipe temperature.
7. air-source water heater lacks a fluorine protecting control device, it is characterized in that, comprising:
First control module, for controlling air-source water heater unit operation first Preset Time;
First acquisition module, for continuous second Preset Time Real-time Obtaining compressor air suction temperature, compressor exhaust temperature, ambient temperature and water temperature;
Computing module, for calculating the first difference of described compressor air suction temperature and described ambient temperature, and the second difference of described compressor exhaust temperature and described water temperature;
Second control module, if reach the first design temperature for described first difference, described second difference reaches the second design temperature, judges that described air-source water heater unit lacks fluorine, controlling the failure code that display screen display is corresponding with lacking fluorine, controlling described air-source water heater unit out of service.
8. device according to claim 7, is characterized in that, also comprises:
Second acquisition module, enters pipe temperature for obtaining current outside environment temperature and working as front evaporator;
Determination module, for judging that described current outside environment temperature and the described absolute value entering the difference of pipe temperature when front evaporator are less than the 3rd design temperature.
9. device according to claim 7, is characterized in that, also comprises:
3rd control module, if for judging that described air-source water heater unit lacks fluorine, the voice corresponding with lacking fluorine reported by control loudspeaker.
10. device according to claim 7, is characterized in that, also comprises:
4th control module, if for judging that described air-source water heater unit lacks fluorine, controlling communication module and sending the machine machine group coding and the corresponding failure code of described and scarce fluorine to remote server.
11. 1 kinds of air-source water heaters, is characterized in that, comprising:
Controller and the display screen be connected with described controller;
The operation of described controller comprises: control air-source water heater unit operation first Preset Time; Continuous second Preset Time Real-time Obtaining compressor air suction temperature, compressor exhaust temperature, ambient temperature and water temperature; Calculate the first difference of described compressor air suction temperature and described ambient temperature, and the second difference of described compressor exhaust temperature and described water temperature; If described first difference reaches the first design temperature, described second difference reaches the second design temperature, judge that described air-source water heater unit lacks fluorine, controlling the failure code that display screen display is corresponding with lacking fluorine, controlling described air-source water heater unit out of service.
12. air-source water heaters according to claim 11, is characterized in that, described air-source water heater also comprises:
The loudspeaker be connected with described controller; Then the operation of described controller also comprises, if judge, described air-source water heater unit lacks fluorine, and the voice corresponding with lacking fluorine reported by control loudspeaker.
13. air-source water heaters according to claim 11, is characterized in that, described air-source water heater also comprises:
The communication module be connected with described controller; Then the operation of described controller also comprises, if judge, described air-source water heater unit lacks fluorine, controls communication module and sends the machine machine group coding and the corresponding failure code of described and scarce fluorine to remote server.
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