CN104654537A - Method and device for detecting lack of fluorine of air conditioner multi-split air conditioner - Google Patents

Method and device for detecting lack of fluorine of air conditioner multi-split air conditioner Download PDF

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Publication number
CN104654537A
CN104654537A CN201510053967.0A CN201510053967A CN104654537A CN 104654537 A CN104654537 A CN 104654537A CN 201510053967 A CN201510053967 A CN 201510053967A CN 104654537 A CN104654537 A CN 104654537A
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China
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air conditioning
temperature
conditioning multi
couple machine
fluorine
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CN104654537B (en
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王瑞强
谭锋
沈军
刘岩
张军
张阳
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Atmospheric Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses a method and a device for detecting fluorine deficiency of an air conditioner multi-split air conditioner. Wherein, the method comprises the following steps: judging whether the air conditioner multi-split air conditioner meets a preset fluorine deficiency detection condition or not; if the air-conditioning multi-split air conditioner meets the fluorine deficiency detection condition, starting a compressor of the air-conditioning multi-split air conditioner, and controlling the air-conditioning multi-split air conditioner to enter a working mode; after the compressor runs for a preset time, collecting the working temperature of the air conditioning multi-split air conditioner by a temperature sensing bulb of the air conditioning multi-split air conditioner; obtaining a fluorine deficiency detection result of the air conditioner multi-split air conditioner in a working mode according to the working temperature; and generating prompt information whether the air-conditioning multi-connected unit is fluorine-deficient or not based on the fluorine-deficient detection result of the air-conditioning multi-connected unit in the working mode. The invention realizes the fluorine deficiency detection through the temperature sensing bulb of the air conditioner multi-split air conditioner, thereby achieving the purposes of simplifying the process design and saving the cost.

Description

Air conditioning multi-couple machine lacks detection method and the device of fluorine
Technical field
The present invention relates to field of air conditioning, lack detection method and the device of fluorine in particular to a kind of air conditioning multi-couple machine.
Background technology
At present, air conditioning multi-couple machine is the scarce fluorine detection that the saturation temperature corresponding with high and low pressure according to outdoor temperature carries out that piecewise interval judges to carry out air conditioning multi-couple machine, and high and low pressure sensor is requisite device in this scarce fluorine detection mode.Temperature-sensitive bag is one of composition of the heating power expansion valve of air conditioning multi-couple machine, and it is generally tied up on the escape pipe of evaporimeter, is used for experiencing the temperature of escape pipe, and temperature information is converted to pressure information sends valve body to reach the effect of adjust flux.
In prior art, the scarce fluorine of air conditioning multi-couple machine detects and must depend on high and low pressure sensor, reaching testing goal and under the equal prerequisite realizing Detection results, the industrial design of high and low pressure sensor and manufacture not only make the industrial design of air conditioning multi-couple machine and manufacture complicated, and add production cost, exacerbate the difficulty of after-treatment.
For above-mentioned problem, at present effective solution is not yet proposed.
Summary of the invention
Embodiments provide detection method and device that a kind of air conditioning multi-couple machine lacks fluorine, lack at least to solve air conditioning multi-couple machine in prior art the technical problem that fluorine detection must depend on high and low pressure sensor.
According to an aspect of the embodiment of the present invention, provide the detection method that a kind of multi-connected machine lacks fluorine, comprising: judge whether air conditioning multi-couple machine meets default scarce fluorine testing conditions; If above-mentioned air conditioning multi-couple machine meets above-mentioned scarce fluorine testing conditions, then start the compressor of above-mentioned air conditioning multi-couple machine, and control above-mentioned air conditioning multi-couple machine and enter mode of operation; After above-mentioned compressor runs Preset Time, gathered the operating temperature of above-mentioned air conditioning multi-couple machine by the temperature-sensitive bag of above-mentioned air conditioning multi-couple machine; The scarce fluorine testing result of above-mentioned air conditioning multi-couple machine under above-mentioned mode of operation is obtained according to above-mentioned operating temperature; Based on the scarce fluorine testing result of above-mentioned air conditioning multi-couple machine under above-mentioned mode of operation, generate the information whether above-mentioned air conditioning multi-couple machine lacks fluorine.
Alternatively, if above-mentioned mode of operation is refrigeration mode, judge whether air conditioning multi-couple machine meets default scarce fluorine testing conditions and comprise: judge whether the outer machine of whether normal, the above-mentioned air conditioning multi-couple machine of the temperature-sensitive bag of above-mentioned air conditioning multi-couple machine powers on and whether above-mentioned air conditioning multi-couple machine carries out defrost; If the outer machine of normal, the above-mentioned air conditioning multi-couple machine of the temperature-sensitive bag of above-mentioned air conditioning multi-couple machine has powered on and above-mentioned air conditioning multi-couple machine does not carry out defrost, then detected initial indoor temperature and the indoor just Guan Wen of above-mentioned air conditioning multi-couple machine by above-mentioned temperature-sensitive bag; If the first difference of the first above-mentioned initial indoor temperature of Guan Wenyu in above-mentioned indoor is not more than the first predetermined threshold value, then judge that above-mentioned air conditioning multi-couple machine meets the scarce fluorine testing conditions of above-mentioned refrigeration mode.
Alternatively, while the first Guan Wen of initial indoor temperature and indoor being detected above-mentioned air conditioning multi-couple machine by above-mentioned temperature-sensitive bag, said method also comprises: the initial exhaust gas temperature and the outdoor environment temperature that are gathered above-mentioned air conditioning multi-couple machine by temperature-sensitive bag; After above-mentioned compressor runs Preset Time, the operating temperature being detected above-mentioned air conditioning multi-couple machine by the temperature-sensitive bag of above-mentioned air conditioning multi-couple machine is comprised: by pipe temperature in first of the above-mentioned air conditioning multi-couple machine of above-mentioned temperature-sensitive bag Real-time Collection, wherein, above-mentioned operating temperature comprises pipe temperature in above-mentioned first; Obtain the scarce fluorine testing result of above-mentioned air conditioning multi-couple machine under above-mentioned mode of operation according to above-mentioned operating temperature to comprise: if the second difference of above-mentioned initial exhaust gas temperature and above-mentioned outdoor environment temperature is not less than the second predetermined threshold value, and the difference of pipe temperature is not more than the 3rd predetermined threshold value in above-mentioned initial indoor temperature and above-mentioned first, then determine that above-mentioned scarce fluorine testing result indicates above-mentioned air conditioning multi-couple machine to lack fluorine in cooling mode; If the second difference of above-mentioned initial exhaust gas temperature and above-mentioned outdoor environment temperature is less than above-mentioned second predetermined threshold value, the absolute value of the difference of the first above-mentioned initial indoor temperature of Guan Wenyu in above-mentioned indoor is less than above-mentioned first predetermined threshold value, and the difference of pipe temperature is not more than the 4th predetermined threshold value in above-mentioned initial indoor temperature and above-mentioned first, then determine that above-mentioned scarce fluorine testing result indicates above-mentioned air conditioning multi-couple machine to lack fluorine under above-mentioned refrigeration mode; If the second difference of above-mentioned initial exhaust gas temperature and above-mentioned outdoor environment temperature is less than above-mentioned second predetermined threshold value, the absolute value of the difference of the first above-mentioned initial indoor temperature of Guan Wenyu in above-mentioned indoor is less than above-mentioned first predetermined threshold value, and the difference of pipe temperature is not more than the 5th predetermined threshold value in above-mentioned initial indoor temperature and above-mentioned first, then determine that above-mentioned scarce fluorine testing result indicates above-mentioned air conditioning multi-couple machine to lack fluorine under above-mentioned refrigeration mode.
Alternatively, if above-mentioned mode of operation is heating mode, judge whether air conditioning multi-couple machine meets default scarce fluorine testing conditions and comprise: judge whether the outer machine of whether normal, the above-mentioned air conditioning multi-couple machine of the temperature-sensitive bag of above-mentioned air conditioning multi-couple machine powers on and whether above-mentioned air conditioning multi-couple machine carries out defrost; If the outer machine of normal, the above-mentioned air conditioning multi-couple machine of the temperature-sensitive bag of above-mentioned air conditioning multi-couple machine has powered on and above-mentioned air conditioning multi-couple machine does not carry out defrost, then judge that above-mentioned air conditioning multi-couple machine meets the scarce fluorine testing conditions of above-mentioned heating mode.
Alternatively, the operating temperature being gathered above-mentioned air conditioning multi-couple machine by the temperature-sensitive bag of above-mentioned air conditioning multi-couple machine is comprised: gather pipe temperature in the indoor environment temperature and second of above-mentioned air conditioning multi-couple machine under above-mentioned heating mode by above-mentioned temperature-sensitive bag, wherein, above-mentioned operating temperature comprises pipe temperature in above-mentioned indoor environment temperature and above-mentioned second.
Alternatively, in collection above-mentioned indoor environment temperature and above-mentioned second while pipe temperature, said method also comprises: gather the real time execution frequency of above-mentioned compressor, the current operate power of above-mentioned compressor and above-mentioned compressor and lack fluorine judgement power radix; Obtain the scarce fluorine testing result of above-mentioned air conditioning multi-couple machine under above-mentioned mode of operation according to above-mentioned operating temperature to comprise: if the difference of pipe temperature and above-mentioned indoor environment temperature is not more than the 6th predetermined threshold value in above-mentioned second, and the current operate power of the running frequency of above-mentioned compressor, above-mentioned compressor and above-mentioned compressor lack fluorine judges that power radix meets preset formula, then determine that above-mentioned scarce fluorine testing result indicates above-mentioned air conditioning multi-couple machine to lack fluorine under above-mentioned heating mode, wherein, above-mentioned preset formula is: G 1≤ G 0+ F 1* Q, above-mentioned F 1for above-mentioned real time execution frequency, above-mentioned G 1for current operate power, the above-mentioned G of above-mentioned compressor 0judge that power radix and Q are as predetermined coefficient for compressor lacks fluorine.
Alternatively, after obtain the scarce fluorine testing result of above-mentioned air conditioning multi-couple machine under above-mentioned mode of operation according to above-mentioned operating temperature, said method also comprises: the initial launch frequency changing above-mentioned air conditioning multi-couple machine, and return the operating temperature performing and gathered above-mentioned air conditioning multi-couple machine by the temperature-sensitive bag of above-mentioned air conditioning multi-couple machine, until the number of times changing above-mentioned initial launch frequency meets preset times.
According to another aspect of the embodiment of the present invention, additionally provide the checkout gear that a kind of air conditioning multi-couple machine lacks fluorine, comprising: judging unit, for judging whether air conditioning multi-couple machine meets default scarce fluorine testing conditions; Control unit, if meet above-mentioned scarce fluorine testing conditions for above-mentioned air conditioning multi-couple machine, then starts the compressor of above-mentioned air conditioning multi-couple machine, and controls above-mentioned air conditioning multi-couple machine and enter mode of operation; Collecting unit, after running Preset Time in above-mentioned compressor, gathers the operating temperature of above-mentioned air conditioning multi-couple machine by the temperature-sensitive bag of above-mentioned air conditioning multi-couple machine; Processing unit, for obtaining the scarce fluorine testing result of above-mentioned air conditioning multi-couple machine under above-mentioned mode of operation according to above-mentioned operating temperature; Generation unit, for based on the scarce fluorine testing result of above-mentioned air conditioning multi-couple machine under above-mentioned mode of operation, generates the information whether above-mentioned air conditioning multi-couple machine lacks fluorine.
Alternatively, above-mentioned judging unit comprises: the first judgment sub-unit, for judging whether the outer machine of whether normal, the above-mentioned air conditioning multi-couple machine of the temperature-sensitive bag of above-mentioned air conditioning multi-couple machine powers on and whether above-mentioned air conditioning multi-couple machine carries out defrost; First gathers subelement, if the outer machine of normal, the above-mentioned air conditioning multi-couple machine of the temperature-sensitive bag for above-mentioned air conditioning multi-couple machine has powered on and above-mentioned air conditioning multi-couple machine does not carry out defrost, then gathered initial indoor temperature and the indoor just Guan Wen of above-mentioned air conditioning multi-couple machine by above-mentioned temperature-sensitive bag; First determines subelement, if be not more than the first predetermined threshold value for the first difference of the first above-mentioned initial indoor temperature of Guan Wenyu in above-mentioned indoor, then judges that above-mentioned air conditioning multi-couple machine meets the scarce fluorine testing conditions of refrigeration mode.
Alternatively, above-mentioned collecting unit comprises: second gathers subelement, for being gathered initial exhaust gas temperature and the outdoor environment temperature of above-mentioned air conditioning multi-couple machine by temperature-sensitive bag; Above-mentioned collecting unit also comprises: the 3rd gathers subelement, and for by pipe temperature in first of the above-mentioned air conditioning multi-couple machine of above-mentioned temperature-sensitive bag Real-time Collection, wherein, above-mentioned operating temperature comprises pipe temperature in above-mentioned first; Above-mentioned processing unit comprises: the first process subelement, if be not less than the second predetermined threshold value for the second difference of above-mentioned initial exhaust gas temperature and above-mentioned outdoor environment temperature, and the difference of pipe temperature is not more than the 3rd predetermined threshold value in above-mentioned initial indoor temperature and above-mentioned first, then determine that above-mentioned scarce fluorine testing result indicates above-mentioned air conditioning multi-couple machine to lack fluorine in cooling mode; Above-mentioned processing unit also comprises: the second process subelement, if be less than above-mentioned second predetermined threshold value for the second difference of above-mentioned initial exhaust gas temperature and above-mentioned outdoor environment temperature, the absolute value of the difference of the first above-mentioned initial indoor temperature of Guan Wenyu in above-mentioned indoor is less than above-mentioned first predetermined threshold value, and the difference of pipe temperature is not more than the 4th predetermined threshold value in above-mentioned initial indoor temperature and above-mentioned first, then determine that above-mentioned scarce fluorine testing result indicates above-mentioned air conditioning multi-couple machine to lack fluorine under above-mentioned refrigeration mode; Above-mentioned processing unit also comprises: the 3rd process subelement, if be less than above-mentioned second predetermined threshold value for the second difference of above-mentioned initial exhaust gas temperature and above-mentioned outdoor environment temperature, the absolute value of the difference of the first above-mentioned initial indoor temperature of Guan Wenyu in above-mentioned indoor is less than above-mentioned first predetermined threshold value, and the difference of pipe temperature is not more than the 5th predetermined threshold value in above-mentioned initial indoor temperature and above-mentioned first, then determine that above-mentioned scarce fluorine testing result indicates above-mentioned air conditioning multi-couple machine to lack fluorine under above-mentioned refrigeration mode.
Alternatively, above-mentioned judging unit also comprises: the second judgment sub-unit, for judging whether the outer machine of whether normal, the above-mentioned air conditioning multi-couple machine of the temperature-sensitive bag of above-mentioned air conditioning multi-couple machine powers on and whether above-mentioned air conditioning multi-couple machine carries out defrost; Second determines subelement, if the outer machine of normal, the above-mentioned air conditioning multi-couple machine of the temperature-sensitive bag for above-mentioned air conditioning multi-couple machine has powered on and above-mentioned air conditioning multi-couple machine does not carry out defrost, then judge that above-mentioned air conditioning multi-couple machine meets the scarce fluorine testing conditions of heating mode.
Alternatively, above-mentioned collecting unit also comprises: the 4th gathers subelement, for gathering pipe temperature in the indoor environment temperature and second of above-mentioned air conditioning multi-couple machine under above-mentioned heating mode by above-mentioned temperature-sensitive bag, wherein, above-mentioned operating temperature comprises pipe temperature in above-mentioned indoor environment temperature and above-mentioned second.
Alternatively, above-mentioned collecting unit also comprises: the 5th gathers subelement, lacks fluorine judgement power radix for gathering the real time execution frequency of above-mentioned compressor, the current operate power of above-mentioned compressor and above-mentioned compressor; Above-mentioned processing unit also comprises: the 4th process subelement, if be not more than the 6th predetermined threshold value for the difference of pipe temperature in above-mentioned second and above-mentioned indoor environment temperature, and the current operate power of the running frequency of above-mentioned compressor, above-mentioned compressor and above-mentioned compressor lack fluorine judges that power radix meets preset formula, then determine that above-mentioned scarce fluorine testing result indicates above-mentioned air conditioning multi-couple machine to lack fluorine under above-mentioned heating mode, wherein, above-mentioned preset formula is: G 1≤ G 0+ F 1* Q, above-mentioned F 1for above-mentioned real time execution frequency, above-mentioned G 1for current operate power, the above-mentioned G of above-mentioned compressor 0judge that power radix and Q are as predetermined coefficient for compressor lacks fluorine.
Alternatively, said apparatus also comprises: changing unit, for changing the initial launch frequency of above-mentioned air conditioning multi-couple machine, and return the operating temperature performing and gathered above-mentioned air conditioning multi-couple machine by the temperature-sensitive bag of above-mentioned air conditioning multi-couple machine, until the number of times changing above-mentioned initial launch frequency meets preset times.
In embodiments of the present invention, the scarce fluorine being carried out air conditioning multi-couple machine by the temperature-sensitive bag of air conditioning multi-couple machine is detected, solve air conditioning multi-couple machine in prior art and lack the technical problem that fluorine detection must depend on high and low pressure sensor, achieve Simplified flowsheet design, reduce the technique effect of production cost.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, 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 flow chart lacking the detection method of fluorine according to a kind of optional air conditioning multi-couple machine of the embodiment of the present invention;
Fig. 2 is the flow chart lacking the detection method of fluorine according to the optional air conditioning multi-couple machine of the another kind of the embodiment of the present invention;
Fig. 3 is the flow chart lacking the detection method of fluorine according to another optional air conditioning multi-couple machine of the embodiment of the present invention;
Fig. 4 is the flow chart lacking the detection method of fluorine according to the 4th kind of optional air conditioning multi-couple machine of the embodiment of the present invention;
Fig. 5 is the schematic diagram lacking the checkout gear of fluorine according to a kind of optional air conditioning multi-couple machine of the embodiment of the present invention;
Fig. 6 is the schematic diagram lacking the checkout gear of fluorine according to the optional air conditioning multi-couple machine of the another kind of the embodiment of the present invention;
Fig. 7 is the schematic diagram lacking the checkout gear of fluorine according to another optional air conditioning multi-couple machine of the embodiment of the present invention;
Fig. 8 is the schematic diagram lacking the checkout gear of fluorine according to the 4th kind of optional air conditioning multi-couple machine of the embodiment of the present invention;
Fig. 9 is the schematic diagram lacking the checkout gear of fluorine according to the 5th kind of optional air conditioning multi-couple machine of the embodiment of the present invention;
Figure 10 is the schematic diagram lacking the checkout gear of fluorine according to the 6th kind of optional air conditioning multi-couple machine of the embodiment of the present invention;
Figure 11 is the schematic diagram lacking the checkout gear of fluorine according to the 7th kind of optional air conditioning multi-couple machine of the embodiment of the present invention.
Detailed description of the invention
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, technical 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 description 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 as embodiments of the invention described herein can with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, alternatively, 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.
Embodiment 1
According to the embodiment of the present invention, provide the detection method that a kind of air conditioning multi-couple machine lacks fluorine, as shown in Figure 1, the detection method that the air conditioning multi-couple machine in the present embodiment lacks fluorine comprises:
Step S102: judge whether air conditioning multi-couple machine meets default scarce fluorine testing conditions;
Step S104: if air conditioning multi-couple machine meets scarce fluorine testing conditions, then start the compressor of air conditioning multi-couple machine, and control air conditioning multi-couple machine and enter mode of operation;
Step S106: after compressor operating Preset Time, gathers the operating temperature of air conditioning multi-couple machine by the temperature-sensitive bag of air conditioning multi-couple machine;
Step S108: obtain air conditioning multi-couple machine scarce fluorine testing result in the operational mode according to operating temperature;
Step S110: based on air conditioning multi-couple machine scarce fluorine testing result in the operational mode, generates the information whether air conditioning multi-couple machine lacks fluorine.
Pass through above-described embodiment, the scarce fluorine being carried out air conditioning multi-couple machine by the temperature-sensitive bag of air conditioning multi-couple machine is detected, solve air conditioning multi-couple machine in prior art and lack the technical problem that fluorine detection must depend on high and low pressure sensor, achieve Simplified flowsheet design, reduce the technique effect of production cost.
Alternatively, judge whether air conditioning multi-couple machine meets default scarce fluorine testing conditions, this air conditioning multi-couple machine is the single cooling cycle system be made up of the direct-evaporation-type indoor set of or number typhoon cold off-premises station linking number platforms identical or different pattern, capacity, can directly provide the air after process to one or several region.In the present embodiment, further restriction is not done to the Operation system setting of air conditioning multi-couple machine, combination, industrial design, part throttle characteristics, seasonal energy efficiency and applicable scene etc.
Alternatively, if air conditioning multi-couple machine meets scarce fluorine testing conditions, then start the compressor of air conditioning multi-couple machine, and control air conditioning multi-couple machine and enter mode of operation, the compressor of this air conditioning multi-couple machine plays compressible drive cold-producing medium in air conditioning coolant loop, can be arranged in the off-premises station of air conditioning multi-couple machine, to the evaporating area (low-pressure area) in the performance loop of compressor of air conditioner and condensing zone (higher-pressure region) in the present embodiment, and the indoor set of air-conditioning and the height of off-premises station, low pressure attribute does not do further differentiation, concrete differentiation mode can be dependent on the duty of air conditioning multi-couple machine.
Alternatively, after compressor operating Preset Time, the operating temperature of air conditioning multi-couple machine is gathered by the temperature-sensitive bag of air conditioning multi-couple machine, this temperature-sensitive bag is one of composition of the heating power expansion valve of air conditioning multi-couple machine, temperature-sensitive bag is generally tied up on evaporimeter escape pipe, be used for experiencing the temperature of evaporator outlet, and temperature information is converted to pressure information pass to valve body, thus play the effect of adjust flux.
Alternatively, obtain air conditioning multi-couple machine scarce fluorine testing result in the operational mode according to operating temperature, the operating temperature of this air conditioning multi-couple machine comprises initial indoor temperature, outdoor environment temperature, the gentle initial exhaust gas temperature of indoor just pipe etc.; The mode of operation of air conditioning multi-couple machine can be divided into refrigeration mode and heating mode; Air conditioning multi-couple machine can be divided into lack fluorine for the scarce fluorine testing result of air conditioning multi-couple machine and air conditioning multi-couple machine does not lack fluorine.
Alternatively, based on air conditioning multi-couple machine scarce fluorine testing result in the operational mode, generate the information whether air conditioning multi-couple machine lacks fluorine, the prompting mode of this information can be voice, screen display, report to the police, such as, the information that air conditioning multi-couple machine lacks fluorine is generated by the mode of reporting to the police, the specific implementation of this warning and indicative significance can pre-set, sound the alarm in scarce fluorine testing process by air conditioning multi-couple machine and determine that air conditioning multi-couple machine lacks fluorine, do not sounded the alarm in scarce fluorine testing process by air conditioning multi-couple machine and determine that air conditioning multi-couple machine does not lack fluorine.
Alternatively, as shown in Figure 2, if mode of operation is refrigeration mode, judge whether air conditioning multi-couple machine meets default scarce fluorine testing conditions and comprise:
Step S202: judge whether the temperature-sensitive bag of air conditioning multi-couple machine outer machine that is whether normal, air conditioning multi-couple machine powers on and whether air conditioning multi-couple machine carries out defrost;
Step S204: if the temperature-sensitive bag of air conditioning multi-couple machine is normal, the outer machine of air conditioning multi-couple machine has powered on and air conditioning multi-couple machine does not carry out defrost, then detect initial indoor temperature and the indoor just Guan Wen of air conditioning multi-couple machine by temperature-sensitive bag;
Step S206: if the first difference of the indoor just initial indoor temperature of Guan Wenyu is not more than the first predetermined threshold value, then judge that air conditioning multi-couple machine meets the scarce fluorine testing conditions of refrigeration mode.
Alternatively, judge whether the temperature-sensitive bag of air conditioning multi-couple machine outer machine that is whether normal, air conditioning multi-couple machine powers on and whether air conditioning multi-couple machine carries out defrost, such as, whether occur that short circuit or open fault judge that whether the temperature-sensitive bag of air conditioning multi-couple machine is normal by temperature-sensitive bag.
Alternatively, if the temperature-sensitive bag of air conditioning multi-couple machine is normal, the outer machine of air conditioning multi-couple machine has powered on and air conditioning multi-couple machine does not carry out defrost, initial indoor temperature and the indoor just Guan Wen of air conditioning multi-couple machine is then detected by temperature-sensitive bag, such as, the initial indoor temperature T of air conditioning multi-couple machine is detected by temperature-sensitive bag ring 0, the indoor just pipe temperature T of air conditioning multi-couple machine is detected by temperature-sensitive bag pipe 0.
Alternatively, if the first difference of the indoor just initial indoor temperature of Guan Wenyu is not more than the first predetermined threshold value, then judge that air conditioning multi-couple machine meets the scarce fluorine testing conditions of refrigeration mode, such as, first predetermined threshold value is Y, and the first difference of the indoor just initial indoor temperature of Guan Wenyu is T pipe 0-T ring 0if, T pipe 0-T ring 0≤ Y, then judge that air conditioning multi-couple machine meets the scarce fluorine testing conditions of refrigeration mode.
Alternatively, while the initial indoor temperature being detected air conditioning multi-couple machine by temperature-sensitive bag and the first Guan Wen in indoor, method also comprises: the initial exhaust gas temperature and the outdoor environment temperature that are gathered air conditioning multi-couple machine by temperature-sensitive bag, such as, is gathered the initial exhaust gas temperature T of air conditioning multi-couple machine by temperature-sensitive bag row 0, the outdoor environment temperature T of air conditioning multi-couple machine is gathered by temperature-sensitive bag outer shroud.
Alternatively, after compressor operating Preset Time, the operating temperature being detected air conditioning multi-couple machine by the temperature-sensitive bag of air conditioning multi-couple machine is comprised: by pipe temperature in first of temperature-sensitive bag Real-time Collection air conditioning multi-couple machine, wherein, operating temperature comprises pipe temperature in first, such as, by pipe temperature T in first of temperature-sensitive bag Real-time Collection air conditioning multi-couple machine pipe 1.
Alternatively, as shown in Figure 3, obtain air conditioning multi-couple machine scarce fluorine testing result in the operational mode according to operating temperature to comprise:
Step S302: if the second difference of initial exhaust gas temperature and outdoor environment temperature is not less than the second predetermined threshold value, and the difference of pipe temperature is not more than the 3rd predetermined threshold value in initial indoor temperature and first, then determine that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in cooling mode;
Step S304: if the second difference of initial exhaust gas temperature and outdoor environment temperature is less than the second predetermined threshold value, the absolute value of the indoor just difference of the initial indoor temperature of Guan Wenyu is less than the first predetermined threshold value, and the difference of pipe temperature is not more than the 4th predetermined threshold value in initial indoor temperature and first, then determine that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in cooling mode;
Step S306: if the second difference of initial exhaust gas temperature and outdoor environment temperature is less than the second predetermined threshold value, the absolute value of the indoor just difference of the initial indoor temperature of Guan Wenyu is less than the first predetermined threshold value, and the difference of pipe temperature is not more than the 5th predetermined threshold value in initial indoor temperature and first, then determine that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in cooling mode.
Alternatively, if the second difference of initial exhaust gas temperature and outdoor environment temperature is not less than the second predetermined threshold value, and the difference of pipe temperature is not more than the 3rd predetermined threshold value in initial indoor temperature and first, then determine that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in cooling mode, such as, initial exhaust gas temperature is T row 0, outdoor environment temperature is T outer shroud, the second predetermined threshold value is Z, then the second difference of initial exhaust gas temperature and outdoor environment temperature is T row 0-T outer shroud, initial indoor temperature is T ring 0, in first, pipe temperature is T pipe 1, the 3rd predetermined threshold value is R, then in beginning indoor temperature and first, the difference of pipe temperature is T ring 0-T pipe 1if, T row 0-T outer shroud>=Z and T ring 0-T pipe 1≤ R, then determine that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in cooling mode.
Alternatively, if the second difference of initial exhaust gas temperature and outdoor environment temperature is less than the second predetermined threshold value, the absolute value of the indoor just difference of the initial indoor temperature of Guan Wenyu is less than the first predetermined threshold value, and the difference of pipe temperature is not more than the 4th predetermined threshold value in initial indoor temperature and first, then determine that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in cooling mode, such as, initial exhaust gas temperature is T row 0, outdoor environment temperature is T outer shroud, the second predetermined threshold value is Z, then the second difference of initial exhaust gas temperature and outdoor environment temperature is T row 0-T outer shroud, indoor just Guan Wenwei T pipe 0, initial indoor temperature is T ring 0, in first, pipe temperature is T pipe 1, the 4th predetermined threshold value is T, then the absolute value of the indoor just difference of the initial indoor temperature of Guan Wenyu is | T pipe 0-T ring 0|, if T row 0-T outer shroud<Z, | T pipe 0-T ring 0| <Y and T ring 0-T pipe 1≤ T, then determine that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in cooling mode.
Alternatively, if the second difference of initial exhaust gas temperature and outdoor environment temperature is less than the second predetermined threshold value, the absolute value of the indoor just difference of the initial indoor temperature of Guan Wenyu is less than the first predetermined threshold value, and the difference of pipe temperature is not more than the 5th predetermined threshold value in initial indoor temperature and first, then determine that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in cooling mode, such as, initial exhaust gas temperature is T row 0, outdoor environment temperature is T outer shroud, the second predetermined threshold value is Z, then the second difference of initial exhaust gas temperature and outdoor environment temperature is T row 0-T outer shroud, indoor just Guan Wenwei T pipe 0, initial indoor temperature is T ring 0, in first, pipe temperature is T pipe 1, the 4th predetermined threshold value is T, and the 5th predetermined threshold value is W, then the absolute value of the indoor just difference of the initial indoor temperature of Guan Wenyu is | T pipe 0-T ring 0|, in initial indoor temperature and first, the difference of pipe temperature is T ring 0-T pipe 1if, T row 0-T outer shroud<Z, | T pipe 0-T ring 0| <Y and T ring 0-T pipe 1≤ W, then determine that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in cooling mode.
Alternatively, as shown in Figure 4, if mode of operation is heating mode, judge whether air conditioning multi-couple machine meets default scarce fluorine testing conditions and comprise:
Step S402: judge whether the temperature-sensitive bag of air conditioning multi-couple machine outer machine that is whether normal, air conditioning multi-couple machine powers on and whether air conditioning multi-couple machine carries out defrost;
Step S404: if the temperature-sensitive bag of air conditioning multi-couple machine is normal, the outer machine of air conditioning multi-couple machine has powered on and air conditioning multi-couple machine does not carry out defrost, then judge that air conditioning multi-couple machine meets the scarce fluorine testing conditions of heating mode.
Alternatively, the operating temperature being gathered air conditioning multi-couple machine by the temperature-sensitive bag of air conditioning multi-couple machine is comprised: gather pipe temperature in air conditioning multi-couple machine indoor environment temperature and second in a heating mode by temperature-sensitive bag, wherein, operating temperature comprises pipe temperature in indoor environment temperature and second.
Alternatively, air conditioning multi-couple machine indoor environment temperature T is in a heating mode detected by temperature-sensitive bag ring, by temperature-sensitive bag detect air conditioning multi-couple machine second in pipe temperature T pipe.
Alternatively, in collection indoor environment temperature and second while pipe temperature, method also comprises: the real time execution frequency of collect and process machine, the current operate power of compressor and compressor lack fluorine and judge power radix, such as, the real time execution frequency F of collect and process machine, the current operate power G of collect and process machine, and compressor is set lacks fluorine and judge that power radix is as G 0.
Alternatively, obtain air conditioning multi-couple machine scarce fluorine testing result in the operational mode according to operating temperature to comprise: if the difference of pipe temperature and indoor environment temperature is not more than the 6th predetermined threshold value in second, and the current operate power of the running frequency of compressor, compressor and compressor lack fluorine judges that power radix meets preset formula, then determine that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in a heating mode, wherein, preset formula is: G 1≤ G 0+ F 1* Q, F 1for real time execution frequency, G 1for current operate power, the G of compressor 0judge that power radix and Q are as predetermined coefficient for compressor lacks fluorine, such as, in second, pipe temperature is T pipe, indoor environment temperature is T ring, the 6th predetermined threshold value is H, then the difference of pipe temperature and indoor environment temperature is T in second pipe-T ringif, T pipe-T ring≤ H and G 1≤ G 0+ F 1* Q, then determine that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in a heating mode.
Alternatively, after obtain air conditioning multi-couple machine scarce fluorine testing result in the operational mode according to operating temperature, method also comprises: the initial launch frequency changing air conditioning multi-couple machine, and return the operating temperature performing and gathered air conditioning multi-couple machine by the temperature-sensitive bag of air conditioning multi-couple machine, until the number of times changing initial launch frequency meets preset times.
In embodiments of the present invention, the scarce fluorine being carried out air conditioning multi-couple machine by the temperature-sensitive bag of air conditioning multi-couple machine is detected, solve air conditioning multi-couple machine in prior art and lack the technical problem that fluorine detection must depend on high and low pressure sensor, achieve Simplified flowsheet design, reduce the technique effect of production cost.
Embodiment 2
According to another aspect of the embodiment of the present invention, additionally provide the checkout gear that a kind of air conditioning multi-couple machine lacks fluorine, as shown in Figure 5, comprising:
Judging unit 502, for judging whether air conditioning multi-couple machine meets default scarce fluorine testing conditions;
Control unit 504, if meet scarce fluorine testing conditions for air conditioning multi-couple machine, then starts the compressor of air conditioning multi-couple machine, and controls air conditioning multi-couple machine and enter mode of operation;
Collecting unit 506, for after compressor operating Preset Time, gathers the operating temperature of air conditioning multi-couple machine by the temperature-sensitive bag of air conditioning multi-couple machine;
Processing unit 508, for obtaining air conditioning multi-couple machine scarce fluorine testing result in the operational mode according to operating temperature;
Generation unit 510, for based on air conditioning multi-couple machine scarce fluorine testing result in the operational mode, generates the information whether air conditioning multi-couple machine lacks fluorine.
Alternatively, judging unit 502 judges whether air conditioning multi-couple machine meets default scarce fluorine testing conditions, this air conditioning multi-couple machine is the single cooling cycle system be made up of the direct-evaporation-type indoor set of or number typhoon cold off-premises station linking number platforms identical or different pattern, capacity, can directly provide the air after process to one or several region.In the present embodiment, further restriction is not done to the Operation system setting of air conditioning multi-couple machine, combination, industrial design, part throttle characteristics, seasonal energy efficiency and applicable scene etc.
Alternatively, if air conditioning multi-couple machine meets scarce fluorine testing conditions, control unit 504 starts the compressor of air conditioning multi-couple machine, and control air conditioning multi-couple machine and enter mode of operation, the compressor of this air conditioning multi-couple machine plays compressible drive cold-producing medium in air conditioning coolant loop, can be arranged in the off-premises station of air conditioning multi-couple machine, to the evaporating area (low-pressure area) in the performance loop of compressor of air conditioner and condensing zone (higher-pressure region) in the present embodiment, and the indoor set of air-conditioning and the height of off-premises station, low pressure attribute does not do further differentiation, concrete differentiation mode can be dependent on the duty of air conditioning multi-couple machine.
Alternatively, after compressor operating Preset Time, collecting unit 506 gathers the operating temperature of air conditioning multi-couple machine by the temperature-sensitive bag of air conditioning multi-couple machine, this temperature-sensitive bag is one of composition of the heating power expansion valve of air conditioning multi-couple machine, temperature-sensitive bag is generally tied up on evaporimeter escape pipe, be used for experiencing the temperature of evaporator outlet, and temperature information is converted to pressure information pass to valve body, thus play the effect of adjust flux.
Alternatively, processing unit 508 obtains air conditioning multi-couple machine scarce fluorine testing result in the operational mode according to operating temperature, and the operating temperature of this air conditioning multi-couple machine comprises initial indoor temperature, outdoor environment temperature, the gentle initial exhaust gas temperature of indoor just pipe etc.; The mode of operation of air conditioning multi-couple machine can be divided into refrigeration mode and heating mode; Air conditioning multi-couple machine can be divided into lack fluorine for the scarce fluorine testing result of air conditioning multi-couple machine and air conditioning multi-couple machine does not lack fluorine.
Alternatively, based on air conditioning multi-couple machine scarce fluorine testing result in the operational mode, generation unit 510 generates the information whether air conditioning multi-couple machine lacks fluorine, the prompting mode of this information can be voice, screen display, report to the police, such as, the information that air conditioning multi-couple machine lacks fluorine is generated by the mode of reporting to the police, the specific implementation of this warning and indicative significance can pre-set, sound the alarm in scarce fluorine testing process by air conditioning multi-couple machine and determine that air conditioning multi-couple machine lacks fluorine, do not sounded the alarm in scarce fluorine testing process by air conditioning multi-couple machine and determine that air conditioning multi-couple machine does not lack fluorine.
Alternatively, as shown in Figure 6, judging unit 502 comprises:
First judgment sub-unit 602, for judging whether the temperature-sensitive bag of air conditioning multi-couple machine outer machine that is whether normal, air conditioning multi-couple machine powers on and whether air conditioning multi-couple machine carries out defrost, such as, by temperature-sensitive bag, whether the first judgment sub-unit 602 occurs that short circuit or open fault judge that whether the temperature-sensitive bag of air conditioning multi-couple machine is normal.
First gathers subelement 604, if outer machine that is normal for the temperature-sensitive bag of air conditioning multi-couple machine, air conditioning multi-couple machine has powered on and air conditioning multi-couple machine does not carry out defrost, initial indoor temperature and the indoor just Guan Wen of air conditioning multi-couple machine is then gathered by temperature-sensitive bag, such as, first subelement 604 detects air conditioning multi-couple machine initial indoor temperature T by temperature-sensitive bag is gathered ring 0, the indoor just pipe temperature T of air conditioning multi-couple machine is detected by temperature-sensitive bag pipe 0.
First determines subelement 606, if be not more than the first predetermined threshold value for the first difference of the indoor just initial indoor temperature of Guan Wenyu, then judge that air conditioning multi-couple machine meets the scarce fluorine testing conditions of refrigeration mode, such as, first predetermined threshold value is Y, and the first difference of the indoor just initial indoor temperature of Guan Wenyu is T pipe 0-T ring 0if, T pipe 0-T ring 0≤ Y, then first determines that subelement 606 judges that air conditioning multi-couple machine meets the scarce fluorine testing conditions of refrigeration mode.
Alternatively, as shown in Figure 7, collecting unit 506 comprises:
Second gathers subelement 702, and for being gathered initial exhaust gas temperature and the outdoor environment temperature of air conditioning multi-couple machine by temperature-sensitive bag, such as, second gathers subelement 702 gathers air conditioning multi-couple machine initial exhaust gas temperature T by temperature-sensitive bag row 0, the outdoor environment temperature T of air conditioning multi-couple machine is gathered by temperature-sensitive bag outer shroud.
3rd gathers subelement 704, for by pipe temperature in first of temperature-sensitive bag Real-time Collection air conditioning multi-couple machine, wherein, operating temperature comprises pipe temperature in first, such as, the 3rd subelement 704 is gathered by pipe temperature T in first of temperature-sensitive bag Real-time Collection air conditioning multi-couple machine pipe 1.
Alternatively, as shown in Figure 7, processing unit 508 comprises:
First process subelement 706, if be not less than the second predetermined threshold value for the second difference of initial exhaust gas temperature and outdoor environment temperature, and the difference of pipe temperature is not more than the 3rd predetermined threshold value in initial indoor temperature and first, then determine that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in cooling mode;
Second process subelement 708, if be less than the second predetermined threshold value for the second difference of initial exhaust gas temperature and outdoor environment temperature, the absolute value of the indoor just difference of the initial indoor temperature of Guan Wenyu is less than the first predetermined threshold value, and the difference of pipe temperature is not more than the 4th predetermined threshold value in initial indoor temperature and first, then determine that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in cooling mode;
3rd process subelement 710, if be less than the second predetermined threshold value for the second difference of initial exhaust gas temperature and outdoor environment temperature, the absolute value of the indoor just difference of the initial indoor temperature of Guan Wenyu is less than the first predetermined threshold value, and the difference of pipe temperature is not more than the 5th predetermined threshold value in initial indoor temperature and first, then determine that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in cooling mode.
Alternatively, if the second difference of initial exhaust gas temperature and outdoor environment temperature is not less than the second predetermined threshold value, and the difference of pipe temperature is not more than the 3rd predetermined threshold value in initial indoor temperature and first, then the first process subelement 706 determines that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in cooling mode, such as, initial exhaust gas temperature is T row 0, outdoor environment temperature is T outer shroud, the second predetermined threshold value is Z, then the second difference of initial exhaust gas temperature and outdoor environment temperature is T row 0-T outer shroud, initial indoor temperature is T ring 0, in first, pipe temperature is T pipe 1, the 3rd predetermined threshold value is R, then in beginning indoor temperature and first, the difference of pipe temperature is T ring 0-T pipe 1if, T row 0-T outer shroud>=Z and T ring 0-T pipe 1≤ R, then the first process subelement 706 determines that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in cooling mode.
Alternatively, if the second difference of initial exhaust gas temperature and outdoor environment temperature is less than the second predetermined threshold value, the absolute value of the indoor just difference of the initial indoor temperature of Guan Wenyu is less than the first predetermined threshold value, and the difference of pipe temperature is not more than the 4th predetermined threshold value in initial indoor temperature and first, then the second process subelement 708 determines that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in cooling mode, such as, initial exhaust gas temperature is T row 0, outdoor environment temperature is T outer shroud, the second predetermined threshold value is Z, then the second difference of initial exhaust gas temperature and outdoor environment temperature is T row 0-T outer shroud, indoor just Guan Wenwei T pipe 0, initial indoor temperature is T ring 0, in first, pipe temperature is T pipe 1, the 4th predetermined threshold value is T, then the absolute value of the indoor just difference of the initial indoor temperature of Guan Wenyu is | T pipe 0-T ring 0|, if T row 0-T outer shroud<Z, | T pipe 0-T ring 0| <Y and T ring 0-T pipe 1≤ T, then the second process subelement 708 determines that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in cooling mode.
Alternatively, if the second difference of initial exhaust gas temperature and outdoor environment temperature is less than the second predetermined threshold value, the absolute value of the indoor just difference of the initial indoor temperature of Guan Wenyu is less than the first predetermined threshold value, and the difference of pipe temperature is not more than the 5th predetermined threshold value in initial indoor temperature and first, then the 3rd process subelement 710 determines that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in cooling mode, such as, initial exhaust gas temperature is T row 0, outdoor environment temperature is T outer shroud, the second predetermined threshold value is Z, then the second difference of initial exhaust gas temperature and outdoor environment temperature is T row 0-T outer shroud, indoor just Guan Wenwei T pipe 0, initial indoor temperature is T ring 0, in first, pipe temperature is T pipe 1, the 4th predetermined threshold value is T, and the 5th predetermined threshold value is W, then the absolute value of the indoor just difference of the initial indoor temperature of Guan Wenyu is | T pipe 0-T ring 0|, in initial indoor temperature and first, the difference of pipe temperature is T ring 0-T pipe 1if, T row 0-T outer shroud<Z, | T pipe 0-T ring 0| <Y and T ring 0-T pipe 1≤ W, then the 3rd process subelement 710 determines that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in cooling mode.
Alternatively, as shown in Figure 8, judging unit 502 also comprises:
Second judgment sub-unit 802, for judging whether the temperature-sensitive bag of air conditioning multi-couple machine outer machine that is whether normal, air conditioning multi-couple machine powers on and whether air conditioning multi-couple machine carries out defrost;
Second determines subelement 804, if outer machine that is normal for the temperature-sensitive bag of air conditioning multi-couple machine, air conditioning multi-couple machine has powered on and air conditioning multi-couple machine does not carry out defrost, then judges that air conditioning multi-couple machine meets the scarce fluorine testing conditions of heating mode.
Alternatively, as shown in Figure 9, collecting unit 506 also comprises:
4th gathers subelement 902, and for gathering pipe temperature in air conditioning multi-couple machine indoor environment temperature and second in a heating mode by temperature-sensitive bag, wherein, operating temperature comprises pipe temperature in indoor environment temperature and second.
Alternatively, as shown in Figure 10, collecting unit 506 also comprises:
5th gathers subelement 1002, lacks fluorine judge power radix for the real time execution frequency of collect and process machine, the current operate power of compressor and compressor.
Alternatively, in collection indoor environment temperature and second while pipe temperature, 5th gathers the real time execution frequency of subelement 1002 collect and process machine, the current operate power of compressor and compressor lacks fluorine judgement power radix, such as, the real time execution frequency F of the 5th collection subelement 1002 collect and process machine, the current operate power G of collect and process machine, and compressor is set lacks fluorine and judge that power radix is as G 0.
Alternatively, as shown in Figure 10, processing unit 508 also comprises:
4th process subelement 1004, if be not more than the 6th predetermined threshold value for the difference of pipe temperature in second and indoor environment temperature, and the current operate power of the running frequency of compressor, compressor and compressor lack fluorine judges that power radix meets preset formula, then determine that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in a heating mode, wherein, preset formula is: G 1≤ G 0+ F 1* Q, F 1for real time execution frequency, G 1for current operate power, the G of compressor 0judge that power radix and Q are as predetermined coefficient for compressor lacks fluorine, such as, in second, pipe temperature is T pipe, indoor environment temperature is T ring, the 6th predetermined threshold value is H, then the difference of pipe temperature and indoor environment temperature is T in second pipe-T ringif, T pipe-T ring≤ H and G 1≤ G 0+ F 1* Q, then the 4th process subelement 1004 determines that scarce fluorine testing result instruction air conditioning multi-couple machine lacks fluorine in a heating mode.
Alternatively, as shown in figure 11, device also comprises:
Changing unit 1102, for changing the initial launch frequency of air conditioning multi-couple machine, and returns the operating temperature performing and gathered air conditioning multi-couple machine by the temperature-sensitive bag of air conditioning multi-couple machine, until the number of times changing initial launch frequency meets preset times.
In embodiments of the present invention, the scarce fluorine being carried out air conditioning multi-couple machine by the temperature-sensitive bag of air conditioning multi-couple machine is detected, solve air conditioning multi-couple machine in prior art and lack the technical problem that fluorine detection must depend on high and low pressure sensor, achieve Simplified flowsheet design, reduce the technique effect of production cost.
It should be noted that, for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in description all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
In the above embodiment of the present invention, 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 client, the mode by other realizes.Wherein, device embodiment described above is only schematic, the division of described unit alternatively, be only a kind of logic function to divide, actual can have other dividing mode when realizing, alternatively 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.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the INDIRECT COUPLING of unit or module or communication connection can be electrical or other form.
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 technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical 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, server or the network equipment etc.) perform method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, read-only storage (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 above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (14)

1. air conditioning multi-couple machine lacks a detection method for fluorine, it is characterized in that, comprising:
Judge whether air conditioning multi-couple machine meets default scarce fluorine testing conditions;
If described air conditioning multi-couple machine meets described scarce fluorine testing conditions, then start the compressor of described air conditioning multi-couple machine, and control described air conditioning multi-couple machine and enter mode of operation;
After described compressor operating Preset Time, gathered the operating temperature of described air conditioning multi-couple machine by the temperature-sensitive bag of described air conditioning multi-couple machine;
The scarce fluorine testing result of described air conditioning multi-couple machine under described mode of operation is obtained according to described operating temperature;
Based on the scarce fluorine testing result of described air conditioning multi-couple machine under described mode of operation, generate the information whether described air conditioning multi-couple machine lacks fluorine.
2. method according to claim 1, is characterized in that, if described mode of operation is refrigeration mode, judges whether air conditioning multi-couple machine meets default scarce fluorine testing conditions and comprise:
Judge whether the outer machine of whether normal, the described air conditioning multi-couple machine of the temperature-sensitive bag of described air conditioning multi-couple machine powers on and whether described air conditioning multi-couple machine carries out defrost;
If the outer machine of normal, the described air conditioning multi-couple machine of the temperature-sensitive bag of described air conditioning multi-couple machine has powered on and described air conditioning multi-couple machine does not carry out defrost, then detected initial indoor temperature and the indoor just Guan Wen of described air conditioning multi-couple machine by described temperature-sensitive bag;
If described indoor just the first difference of initial indoor temperature described in Guan Wenyu are not more than the first predetermined threshold value, then judge that described air conditioning multi-couple machine meets the scarce fluorine testing conditions of described refrigeration mode.
3. method according to claim 2, is characterized in that,
While the first Guan Wen of initial indoor temperature and indoor being detected described air conditioning multi-couple machine by described temperature-sensitive bag, described method also comprises: the initial exhaust gas temperature and the outdoor environment temperature that are gathered described air conditioning multi-couple machine by temperature-sensitive bag;
After described compressor operating Preset Time, the operating temperature being detected described air conditioning multi-couple machine by the temperature-sensitive bag of described air conditioning multi-couple machine is comprised: by pipe temperature in first of air conditioning multi-couple machine described in described temperature-sensitive bag Real-time Collection, wherein, described operating temperature comprises pipe temperature in described first;
Obtain the scarce fluorine testing result of described air conditioning multi-couple machine under described mode of operation according to described operating temperature to comprise:
If the second difference of described initial exhaust gas temperature and described outdoor environment temperature is not less than the second predetermined threshold value, and the difference of pipe temperature is not more than the 3rd predetermined threshold value in described initial indoor temperature and described first, then determine that described scarce fluorine testing result indicates described air conditioning multi-couple machine to lack fluorine in cooling mode;
If the second difference of described initial exhaust gas temperature and described outdoor environment temperature is less than described second predetermined threshold value, the described indoor just absolute value of the difference of initial indoor temperature described in Guan Wenyu are less than described first predetermined threshold value, and the difference of pipe temperature is not more than the 4th predetermined threshold value in described initial indoor temperature and described first, then determine that described scarce fluorine testing result indicates described air conditioning multi-couple machine to lack fluorine under described refrigeration mode;
If the second difference of described initial exhaust gas temperature and described outdoor environment temperature is less than described second predetermined threshold value, the described indoor just absolute value of the difference of initial indoor temperature described in Guan Wenyu are less than described first predetermined threshold value, and the difference of pipe temperature is not more than the 5th predetermined threshold value in described initial indoor temperature and described first, then determine that described scarce fluorine testing result indicates described air conditioning multi-couple machine to lack fluorine under described refrigeration mode.
4. method according to claim 1, is characterized in that, if described mode of operation is heating mode, judges whether air conditioning multi-couple machine meets default scarce fluorine testing conditions and comprise:
Judge whether the outer machine of whether normal, the described air conditioning multi-couple machine of the temperature-sensitive bag of described air conditioning multi-couple machine powers on and whether described air conditioning multi-couple machine carries out defrost;
If the outer machine of normal, the described air conditioning multi-couple machine of the temperature-sensitive bag of described air conditioning multi-couple machine has powered on and described air conditioning multi-couple machine does not carry out defrost, then judge that described air conditioning multi-couple machine meets the scarce fluorine testing conditions of described heating mode.
5. method according to claim 4, is characterized in that, the operating temperature being gathered described air conditioning multi-couple machine by the temperature-sensitive bag of described air conditioning multi-couple machine is comprised:
Gather pipe temperature in the indoor environment temperature and second of described air conditioning multi-couple machine under described heating mode by described temperature-sensitive bag, wherein, described operating temperature comprises pipe temperature in described indoor environment temperature and described second.
6. method according to claim 5, is characterized in that,
In collection described indoor environment temperature and described second while pipe temperature, described method also comprises: gather the real time execution frequency of described compressor, the current operate power of described compressor and described compressor and lack fluorine judgement power radix;
Obtain the scarce fluorine testing result of described air conditioning multi-couple machine under described mode of operation according to described operating temperature to comprise:
If the difference of pipe temperature and described indoor environment temperature is not more than the 6th predetermined threshold value in described second, and the current operate power of the running frequency of described compressor, described compressor and described compressor lack fluorine judges that power radix meets preset formula, then determine that described scarce fluorine testing result indicates described air conditioning multi-couple machine to lack fluorine under described heating mode
Wherein, described preset formula is: G 1≤ G 0+ F 1* Q, described F 1for described real time execution frequency, described G 1for current operate power, the described G of described compressor 0judge that power radix and Q are as predetermined coefficient for compressor lacks fluorine.
7. method according to any one of claim 1 to 6, is characterized in that, after obtain the scarce fluorine testing result of described air conditioning multi-couple machine under described mode of operation according to described operating temperature, described method also comprises:
Change the initial launch frequency of described air conditioning multi-couple machine, and return the operating temperature performing and gathered described air conditioning multi-couple machine by the temperature-sensitive bag of described air conditioning multi-couple machine, until the number of times changing described initial launch frequency meets preset times.
8. air conditioning multi-couple machine lacks a checkout gear for fluorine, it is characterized in that, comprising:
Judging unit, for judging whether air conditioning multi-couple machine meets default scarce fluorine testing conditions;
Control unit, if meet described scarce fluorine testing conditions for described air conditioning multi-couple machine, then starts the compressor of described air conditioning multi-couple machine, and controls described air conditioning multi-couple machine and enter mode of operation;
Collecting unit, for after described compressor operating Preset Time, gathers the operating temperature of described air conditioning multi-couple machine by the temperature-sensitive bag of described air conditioning multi-couple machine;
Processing unit, for obtaining the scarce fluorine testing result of described air conditioning multi-couple machine under described mode of operation according to described operating temperature;
Generation unit, for based on the scarce fluorine testing result of described air conditioning multi-couple machine under described mode of operation, generates the information whether described air conditioning multi-couple machine lacks fluorine.
9. device according to claim 8, is characterized in that, described judging unit comprises:
First judgment sub-unit, for judging whether the outer machine of whether normal, the described air conditioning multi-couple machine of the temperature-sensitive bag of described air conditioning multi-couple machine powers on and whether described air conditioning multi-couple machine carries out defrost;
First gathers subelement, if the outer machine of normal, the described air conditioning multi-couple machine of the temperature-sensitive bag for described air conditioning multi-couple machine has powered on and described air conditioning multi-couple machine does not carry out defrost, then gathered initial indoor temperature and the indoor just Guan Wen of described air conditioning multi-couple machine by described temperature-sensitive bag;
First determines subelement, if be not more than the first predetermined threshold value for the first difference of initial indoor temperature described in the first Guan Wenyu in described indoor, then judges that described air conditioning multi-couple machine meets the scarce fluorine testing conditions of refrigeration mode.
10. device according to claim 9, is characterized in that,
Described collecting unit comprises: second gathers subelement, for being gathered initial exhaust gas temperature and the outdoor environment temperature of described air conditioning multi-couple machine by temperature-sensitive bag;
Described collecting unit also comprises: the 3rd gathers subelement, and for by pipe temperature in first of air conditioning multi-couple machine described in described temperature-sensitive bag Real-time Collection, wherein, described operating temperature comprises pipe temperature in described first;
Described processing unit comprises: the first process subelement, if be not less than the second predetermined threshold value for the second difference of described initial exhaust gas temperature and described outdoor environment temperature, and the difference of pipe temperature is not more than the 3rd predetermined threshold value in described initial indoor temperature and described first, then determine that described scarce fluorine testing result indicates described air conditioning multi-couple machine to lack fluorine in cooling mode;
Described processing unit also comprises: the second process subelement, if be less than described second predetermined threshold value for the second difference of described initial exhaust gas temperature and described outdoor environment temperature, the described indoor just absolute value of the difference of initial indoor temperature described in Guan Wenyu are less than described first predetermined threshold value, and the difference of pipe temperature is not more than the 4th predetermined threshold value in described initial indoor temperature and described first, then determine that described scarce fluorine testing result indicates described air conditioning multi-couple machine to lack fluorine under described refrigeration mode;
Described processing unit also comprises: the 3rd process subelement, if be less than described second predetermined threshold value for the second difference of described initial exhaust gas temperature and described outdoor environment temperature, the described indoor just absolute value of the difference of initial indoor temperature described in Guan Wenyu are less than described first predetermined threshold value, and the difference of pipe temperature is not more than the 5th predetermined threshold value in described initial indoor temperature and described first, then determine that described scarce fluorine testing result indicates described air conditioning multi-couple machine to lack fluorine under described refrigeration mode.
11. devices according to claim 8, is characterized in that, described judging unit also comprises:
Second judgment sub-unit, for judging whether the outer machine of whether normal, the described air conditioning multi-couple machine of the temperature-sensitive bag of described air conditioning multi-couple machine powers on and whether described air conditioning multi-couple machine carries out defrost;
Second determines subelement, if the outer machine of normal, the described air conditioning multi-couple machine of the temperature-sensitive bag for described air conditioning multi-couple machine has powered on and described air conditioning multi-couple machine does not carry out defrost, then judge that described air conditioning multi-couple machine meets the scarce fluorine testing conditions of heating mode.
12. devices according to claim 11, is characterized in that, described collecting unit also comprises:
4th gathers subelement, and for gathering pipe temperature in the indoor environment temperature and second of described air conditioning multi-couple machine under described heating mode by described temperature-sensitive bag, wherein, described operating temperature comprises pipe temperature in described indoor environment temperature and described second.
13. devices according to claim 12, is characterized in that,
Described collecting unit also comprises: the 5th gathers subelement, lacks fluorine judgement power radix for gathering the real time execution frequency of described compressor, the current operate power of described compressor and described compressor;
Described processing unit also comprises: the 4th process subelement, if be not more than the 6th predetermined threshold value for the difference of pipe temperature in described second and described indoor environment temperature, and the current operate power of the running frequency of described compressor, described compressor and described compressor lack fluorine judges that power radix meets preset formula, then determine that described scarce fluorine testing result indicates described air conditioning multi-couple machine to lack fluorine under described heating mode
Wherein, described preset formula is: G 1≤ G 0+ F 1* Q, described F 1for described real time execution frequency, described G 1for current operate power, the described G of described compressor 0judge that power radix and Q are as predetermined coefficient for compressor lacks fluorine.
Device according to any one of 14. according to Claim 8 to 13, is characterized in that, described device also comprises:
Changing unit, for changing the initial launch frequency of described air conditioning multi-couple machine, and returns the operating temperature performing and gathered described air conditioning multi-couple machine by the temperature-sensitive bag of described air conditioning multi-couple machine, until the number of times changing described initial launch frequency meets preset times.
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