CN109114747A - A kind of lack of fluorine of air-conditioners detection method, detection system and air-conditioning - Google Patents

A kind of lack of fluorine of air-conditioners detection method, detection system and air-conditioning Download PDF

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Publication number
CN109114747A
CN109114747A CN201810880236.7A CN201810880236A CN109114747A CN 109114747 A CN109114747 A CN 109114747A CN 201810880236 A CN201810880236 A CN 201810880236A CN 109114747 A CN109114747 A CN 109114747A
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air
grade
fluorine
dirty stifled
conditioning
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CN109114747B (en
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贾鸿本
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Aux Air Conditioning Co Ltd
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Aux Air Conditioning Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/38—Failure diagnosis
    • 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
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/39—Monitoring filter performance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • 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
    • F24F11/64—Electronic processing using pre-stored data
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The present invention provides a kind of lack of fluorine of air-conditioners detection methods, are compared by the leaving air temp of real-time detection air-conditioning, and by the leaving air temp with corresponding compensation temperature constant, to judge whether air-conditioning lacks fluorine.Compared with the prior art, the advantages of the present invention are as follows: the lack of fluorine of air-conditioners method only pass through detection leaving air temp can real-time detection air-conditioning operational effect, so as to judge whether air-conditioning lacks fluorine more accurately；And the testing conditions are simple, and good suitable for refrigeration or heating mode, versatility.The invention further relates to the detection systems that a kind of application has above-mentioned lack of fluorine of air-conditioners detection method, moreover, it relates to which a kind of application has the air-conditioning of said detecting system.

Description

A kind of lack of fluorine of air-conditioners detection method, detection system and air-conditioning
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of lack of fluorine of air-conditioners detection method, detection system and air-conditioning.
Background technique
A kind of household electrical appliance that air-conditioning is adjusted as room temperature, are increasingly liked by people.After air conditioner lacks fluorine, Refrigeration can be brought, and perhaps heating effect loses to the problem of room temperature drop does not get off or rises not up, Jin Erying occur The experience of user is rung, meanwhile, lack of fluorine of air-conditioners will lead to compressor motor stator coil and lubricating oil cooling is bad, cause compression unit Part and motor bearings sharp wear, will cause the damage of compressor.
In order to solve the above-mentioned technical problem, it is currently suggested the method detected to lack of fluorine of air-conditioners, is such as currently to pass through Temperature of outlet air of air conditioner Tc is detected, is compared according to the leaving air temp Tc of detection and present mode of operation setting leaving air temp Tcm, Judge whether the absolute value of the difference of two temperatures is greater than or equal to predetermined value, so that it is determined that air-conditioning status is with the presence or absence of leakage refrigerant Problem, air conditioner issue scarce refrigerant prompting message accordingly, and although this method realizes the detection to lack of fluorine of air-conditioners, but it is examined Survey needs to set leaving air temp, and the judgement needs for lacking refrigerant are judged according to the leaving air temp of setting, judging result meeting It is influenced by the leaving air temp set, to influence the accuracy of detection.
Therefore, it is necessary to be improved further to existing lack of fluorine of air-conditioners detection method and system.
Summary of the invention
It, only can be by detection leaving air temp in view of this, the present invention is directed to propose a kind of lack of fluorine of air-conditioners detection method The scarce fluorine judgement of row and accuracy of judgement.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of lack of fluorine of air-conditioners detection method, the air-conditioning include compressor and filter screen, which includes There are following steps:
Step 1: in power-on of air conditioner, prow to be compressed time operation M1After time, the wind-warm syndrome out of current air-conditioning is detected and recorded Spend Tc1, wherein M1Start the time for starting timing and continuous service for the first time for compressor, and executes step 2；
Step 2: machine to be compressed, which is again started up, starts timing and real-time detection continuous operation MiLeaving air temp after time Tci, wherein i >=2, TciStart leaving air temp when running, M for compressor i-thiStart for compressor i-th and starts timing And the time of continuous service, while the dirty stifled situation of filter screen is detected, to judge that filter screen dirtying blocks up locating grade and acquisition Corresponding compensation temperature constant Δ T, and execute step 3；
Step 3: by the absolute value delta T of the difference of the leaving air temp of above-mentioned appearanceci=| Tc1-Tci|, with corresponding compensation Thermal constant Δ T is compared, if Δ Tci> Δ T, then lack of fluorine of air-conditioners；Otherwise, if Δ Tci≤ Δ T, then air-conditioning does not lack fluorine.
Preferably, the dirty stifled grade of the filter screen is divided into three grades, respectively the first estate, the second grade, The dirty stifled situation of three grades, described the first estate, the second grade and the tertiary gradient is successively serious, and corresponding compensation temperature is normal Number is respectively Δ T1、ΔT2With Δ T3, wherein Δ T1< Δ T2< Δ T3。
Preferably, the dirty stifled grade is sentenced according to the voltage V that the motor of air-conditioning is applied when reaching desired speed t Fixed, if dirty stifled grade is the first estate, when motor speed is t, the voltage of required application is V1；If dirty stifled grade is second When grade, when motor speed is t, the voltage of required application is V2；If dirty stifled grade is the tertiary gradient, it is in motor speed When t, the voltage of required application is V3, wherein V1>V2>V3。
Preferably, according to the motor of air-conditioning, the required electric current I when reaching desired speed t is determined the dirty stifled grade, If dirty stifled grade is the first estate, when motor speed is t, required electric current is I1；If dirty stifled grade is the second grade, When motor speed is t, required electric current is I2；If dirty stifled grade is the tertiary gradient, when motor speed is t, required electric current is I3, wherein I1>I2>I3。
Preferably, the dirty stifled grade is determined according to the number of plies of filter screen, corresponding when dirty stifled grade is the first estate The number of plies of filter screen is d1, when dirty stifled grade is the second grade, the number of plies of corresponding filter screen is d2, dirty stifled grade is third etc. When grade, the number of plies of corresponding filter screen is d3, wherein d1< d2< d3。
Compared with the existing technology, lack of fluorine of air-conditioners detection method of the present invention has the advantage that
Lack of fluorine of air-conditioners detection method of the present invention, only by detection leaving air temp can real-time detection air-conditioning operation Effect, so as to judge whether air-conditioning lacks fluorine more accurately；And the testing conditions are simple, and are suitable for refrigeration or heating Mode, versatility are good.
Another object of the present invention is to propose a kind of lack of fluorine of air-conditioners detection system, only to pass through detection leaving air temp It carries out lacking fluorine judgement and accuracy of judgement.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of application has the detection system of above-mentioned lack of fluorine of air-conditioners detection method, including the first inspection to detect leaving air temp The control module surveying module and being electrically connected with first detection module further includes the second detection that situation is blocked up to detect filter screen dirtying Module, to store the memory storage module of leaving air temp, air-conditioner operation time and compressor start number, to calculate compression The timing module of machine runing time and the display module to show scarce fluorine state, second detection module and timing module It is connected with the signal input part of control module, the signal output end of the control module and the signal input part of display module It is connected.
One of preferred embodiment of memory storage module: the memory storage module is external storage chip, described external to deposit Storage chip is connected with the signal input part of control module, and can be to storage control module received data information.
The two of the preferred embodiment of memory storage module: the memory storage module is the master chip of setting in the control module Interior storaging piece.
In order to more easily detect the temperature at air-conditioner air outlet, it is preferable that the first detection module is that setting exists Temperature temperature sensing package at the air outlet of air-conditioning.
Compared with the existing technology, detection system of the present invention has the advantage that
The first detection module of detection system of the present invention easily detects the leaving air temp of air-conditioning, and passes through memory Memory module records leaving air temp, and judges whether air-conditioning lacks fluorine according to leaving air temp, to can be shown by display module The scarce fluorine state of air-conditioning, detection system are more simple and more reasonable.
Another object of the present invention is to propose that a kind of application has the air-conditioning of said detecting system, which is that fixed frequency is empty It adjusts.
Possessed advantage is identical compared with the existing technology with above-mentioned air-conditioning for the detection system, and details are not described herein.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of lack of fluorine of air-conditioners detection method described in the embodiment of the present invention；
Fig. 2 is the table of comparisons that filter screen described in the embodiment of the present invention blocks grade and corresponding compensation temperature constant；
Fig. 3 is the structural block diagram of detection system described in the embodiment of the present invention.
Description of symbols:
1- detection system, 10- control module, 11- first detection module, the second detection module of 12-, 13- memory storage mould Block, 14- timing module, 15- display module.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.
In addition, the air-conditioning being previously mentioned in an embodiment of the present invention, is primarily referred to as the fixed fixed frequency air conditioner of frequency, thus its The influence of the not compressed unit frequency of leaving air temp.
It as shown in Figure 1 to Figure 3, is the preferred embodiment of the present invention.Air-conditioning in the present embodiment is fixed frequency air conditioner, and the sky Tune includes compressor, filter screen and evaporator, in the present embodiment, as shown in Figure 1, lack of fluorine of air-conditioners detection method includes Following steps:
Step 1: in power-on of air conditioner, prow to be compressed time operation M1After time, the wind-warm syndrome out of current air-conditioning is detected and recorded Spend Tc1, wherein M1Start the time for starting timing and continuous service for the first time for compressor, and executes step 2；Wherein, it walks herein In rapid one, the dirty stifled situation of filter screen is detected, and the dirty stifled grade of filter screen is defaulted as the first estate.
Step 2: machine to be compressed, which is again started up, starts timing and real-time detection continuous operation MiLeaving air temp after time Tci, wherein i >=2, TciStart leaving air temp when running, M for compressor i-thiStart for compressor i-th and starts timing And the time of continuous service, while the dirty stifled situation of filter screen is detected, to judge that filter screen dirtying blocks up locating grade and acquisition Corresponding compensation temperature constant Δ T, and execute step 3；
Step 3: by the absolute value delta T of the difference of the leaving air temp of above-mentioned appearanceci=| Tc1-Tci|, with corresponding compensation Thermal constant Δ T is compared, if Δ Tci> Δ T, then lack of fluorine of air-conditioners；Otherwise, if Δ Tci≤ Δ T, then air-conditioning does not lack fluorine.
In the present embodiment, as shown in Fig. 2, the dirty stifled grade of filter screen is divided into three according to the dirty stifled situation of filter screen Grade, respectively the first estate, the second grade, the tertiary gradient, wherein the first estate, the second grade and the tertiary gradient it is dirty Stifled situation is successively serious, and the corresponding compensation temperature constant of the first estate, the second grade, the tertiary gradient is respectively Δ T1、ΔT2With ΔT3, wherein Δ T1< Δ T2< Δ T3.Among the above, the dirty stifled grade of filter screen obtains there are many determination methods, in the present embodiment, According to the motor of air-conditioning, the voltage V of required application when reaching desired speed t is determined dirty stifled grade, if dirty stifled grade is When the first estate, when motor speed is t, the voltage of required application is V1；If dirty stifled grade is the second grade, in motor When revolving speed is t, the voltage applied is V2；If dirty stifled grade is the tertiary gradient, when motor speed is t, the electricity that is applied Pressure is V3, wherein V1>V2>V3.It is dirty when the voltage of required application is relatively large i.e. in the case where reaching motor same rotational speed Stifled situation is not opposite serious.Dirty stifled grade can also when reaching desired speed t, required electric current I be carried out according to the motor of air-conditioning Determine, if dirty stifled grade is the first estate, when motor speed is t, required electric current is I1；If dirty stifled grade is the second grade When, when motor speed is t, required electric current is I2；If dirty stifled grade is the tertiary gradient, when motor speed is t, required electricity Stream is I3, wherein I1>I2>I3。
Dirty stifled grade can also be determined according to the number of plies of filter screen, when dirty stifled grade is the first estate, corresponding filtering The number of plies of net is d1, when dirty stifled grade is the second grade, the number of plies of corresponding filter screen is d2, when dirty stifled grade is the tertiary gradient, The number of plies of corresponding filter screen is d3, wherein d1< d2< d3.Such as: if d1=1, i.e., one layer of filter screen is only needed, filter screen Dirty stifled grade is the first estate, if d2=5, then 5 layers of filter screen are needed, the dirty stifled grade of filter screen is the second grade, if d1= 10, then 10 layers of filter screen are needed, the dirty stifled grade of filter screen is the tertiary gradient.
Since the frequency of the compressor of fixed frequency air conditioner is fixed, then the influence of the not compressed unit frequency of leaving air temp, therefore, only Lack of fluorine of air-conditioners state is judged by detecting leaving air temp and can be realized.In addition, in the present embodiment, M1And MjValue It is unit difference, value is not also identical, is mainly determined by unit itself.
As shown in figure 3, the detection system 1 of the present embodiment includes first detection module 11, the detection mould of control module 10, second Block 12, memory storage module 13, timing module 14 and display module 15, wherein first detection module 11 is to detect air-conditioning Leaving air temp, control module 10 is electrically connected with first detection module 11, and the second detection module 12 is stifled to detect filter screen dirtying Situation, memory storage module 13 are used to store leaving air temp, air-conditioner operation time and starting of air conditioner number, timing module 14 To calculate compressor operating time, scarce fluorine state of the display module 15 to show air-conditioning, in addition, the second detection module 12 and meter When module 14 be connected with the signal input part of control module 10, the signal output end of control module 10 and display module 15 Signal input part is connected；Memory storage module 13 is external storage chip, the signal of external storage chip and control module 10 Input terminal is connected, and can be to 10 received data information of storage control module；First detection module 11 is to be arranged in air-conditioning Air outlet at temperature temperature sensing package；Display module 15 is LED liquid crystal display, and LED liquid crystal display further includes having backlight, Backlight is controlled by control module 10, and it is bright that control module 10 controls backlight lamp, to receive data information in display module 15 When can be used to clearly show that data information.
Above-mentioned second detection module 12 can detect the filter screen of air-conditioning and the closure situation of evaporator simultaneously.Above-mentioned note Recalling memory module 13 can also be the storaging piece in the master chip being arranged in control module 10.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of lack of fluorine of air-conditioners detection method, the air-conditioning include compressor and filter screen, which is characterized in that this lacks fluorine detection Method includes following steps:
Step 1: in power-on of air conditioner, prow to be compressed time operation M1After time, the leaving air temp of current air-conditioning is detected and recorded Tc1, wherein M1Start the time for starting timing and continuous service for the first time for compressor, and executes step 2；
Step 2: machine to be compressed is again started up and real-time detection continuous operation MiLeaving air temp T after timeci, wherein i >=2, TciStart leaving air temp when running, M for compressor i-thiStart for compressor i-th start timing and continuous service when Between, while the dirty stifled situation of filter screen is detected, to judge that filter screen dirtying blocks up locating grade and obtains corresponding compensation temperature Constant Δ T, and execute step 3；
Step 3: by the absolute value delta T of the difference of the leaving air temp of above-mentioned appearanceci=| Tc1-Tci|, with corresponding compensation temperature Constant Δ T is compared, if Δ Tci> Δ T, then lack of fluorine of air-conditioners；Otherwise, if Δ Tci≤ Δ T, then air-conditioning does not lack fluorine.
2. lack of fluorine of air-conditioners detection method according to claim 1, it is characterised in that: by the dirty stifled ranking score of the filter screen For three grades, respectively the first estate, the second grade, the tertiary gradient, described the first estate, the second grade and the tertiary gradient Dirty stifled situation it is successively serious, and compensation temperature constant corresponding to three grades is respectively Δ T1、ΔT2With Δ T3, wherein Δ T1< Δ T2< Δ T3。
3. lack of fluorine of air-conditioners detection method according to claim 2, it is characterised in that: the dirty stifled grade is according to the electricity of air-conditioning Machine voltage V of required application when reaching desired speed t is determined, if dirty stifled grade is the first estate, in motor speed When for t, the voltage of required application is V1If dirty stifled grade is the second grade, when motor speed is t, the electricity of required application Pressure is V2If dirty stifled grade is the tertiary gradient, when motor speed is t, the voltage applied is V3, wherein V1>V2>V3。
4. lack of fluorine of air-conditioners detection method according to claim 2, it is characterised in that: the dirty stifled grade is according to the electricity of air-conditioning Machine required electric current I when reaching desired speed t is determined, if dirty stifled grade is the first estate, when motor speed is t, Required electric current is I1If dirty stifled grade is the second grade, when motor speed is t, required electric current is I2If dirty stifled grade is When the tertiary gradient, when motor speed is t, required electric current is I3, wherein I1>I2>I3。
5. lack of fluorine of air-conditioners detection method according to claim 2, it is characterised in that: the dirty stifled grade is according to filter screen The number of plies is determined, when dirty stifled grade is the first estate, the number of plies of corresponding filter screen is d1, when dirty stifled grade is the second grade, The number of plies of corresponding filter screen is d2, when dirty stifled grade is the tertiary gradient, the number of plies of corresponding filter screen is d3, wherein d1< d2 < d3。
6. the detection system that a kind of application has lack of fluorine of air-conditioners detection method described in any one of the claims 1 to 5 claim System, including the first detection module to detect leaving air temp and the control module being electrically connected with first detection module, feature It is: further includes the second detection module for blocking up situation to detect filter screen dirtying, to store leaving air temp, air-conditioner operation time And the memory storage module of compressor start number, the timing module to calculate compressor operating time and to show The display module of fluorine state is lacked, second detection module and timing module are connected with the signal input part of control module, The signal output end of the control module is connected with the signal input part of display module.
7. detection system according to claim 6, it is characterised in that: the memory storage module is external storage chip, The external storage chip is connected with the signal input part of control module, and can believe to storage control module received data Breath.
8. detection system according to claim 6, it is characterised in that: the memory storage module is to be arranged in control module Storaging piece in middle master chip, for storing operation of air conditioner data.
9. detection system according to claim 6, it is characterised in that: the first detection module is that going out for air-conditioning is arranged in Temperature temperature sensing package at air port.
10. a kind of application has the air-conditioning of detection system described in any one of the claims 6 to 9 claim, feature Be: the air-conditioning is fixed frequency air conditioner.
CN201810880236.7A 2018-08-03 2018-08-03 Air conditioner fluorine deficiency detection method and system and air conditioner Active CN109114747B (en)

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CN110645673A (en) * 2019-10-16 2020-01-03 南京天加环境科技有限公司 Refrigerant shortage protection method for fixed-frequency air conditioner
CN111121223A (en) * 2019-12-31 2020-05-08 Tcl空调器(中山)有限公司 Fluorine-lacking protection method of air conditioner, air conditioner and storage medium
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