CN1955593A - Method for detecting short of refrigerant of air conditioner - Google Patents
Method for detecting short of refrigerant of air conditioner Download PDFInfo
- Publication number
- CN1955593A CN1955593A CN 200510116630 CN200510116630A CN1955593A CN 1955593 A CN1955593 A CN 1955593A CN 200510116630 CN200510116630 CN 200510116630 CN 200510116630 A CN200510116630 A CN 200510116630A CN 1955593 A CN1955593 A CN 1955593A
- Authority
- CN
- China
- Prior art keywords
- temperature
- mentioned
- refrigerant
- tdn
- stage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
A method for detecting shortage of refrigerant in air-conditioner includes comparing indoor / outdoor pipe temperature stored under certain operation condition with measured temperature of indoor / outdoor pipe and judging that refrigerant is under shortage state if temperature difference between stored temperature and measured temperature is over certain scope.
Description
Technical field
The present invention relates to a kind of method that detects short of refrigerant of air conditioner, thereby particularly relate to a kind of when the temperature of chamber inside/outside heat exchanger pipe detection and the temperature that is kept at control part compare difference when said temperature above certain limit, being judged as the method for the detection short of refrigerant of air conditioner of short of refrigerant under certain service condition.
Background technology
Common air regulator is made up of compressor, outdoor heat exchanger, expansion valve and indoor heat exchanger etc., and it circulates to the indoor refrigerating/heating that carries out according to the cold-producing medium of air regulator.
At this, the cold-producing medium of above-mentioned air regulator obtains state variation and to the indoor refrigerating/heating that carries out through overcompression, condensation, expansion, evaporating course.But when the short of refrigerant of above-mentioned air regulator, the performance that produces air regulator is low, thus exist because of above-mentioned performance freeze a little less than lowly taking place or a little less than the problem that heats.
At this, the deficiency of above-mentioned cold-producing medium might occur in the production, manufacturing, transportation, setting up procedure of air regulator, and the deficiency of cold-producing medium also might take place because of the leakage of pipeline after air regulator is normally charged into cold-producing medium.Especially, when causing short of refrigerant when the leakage that above-mentioned cold-producing medium takes place, only can cause the performance of air regulator lowly and not special problem can take place, therefore except that responsive user, be difficult to the leakage of cognitive cold-producing medium, major part is when the user reflects that the performance of air regulator is low, and the contact staff is cognitive this phenomenon in the process of checking air regulator.
Seeing also shown in Figure 6ly, is that the contact staff detected the procedural order figure of short of refrigerant of air conditioner in the past, and the process that the contact staff is detected short of refrigerant of air conditioner describes.
At first, the contact staff installs air regulator S1 in the desired position of user, and passes through trial run and confirm S2 such as the discharge temperature of the pressure of cold-producing medium, indoor set, refrigerant tubing, and cold-producing medium S3 reinjects after the sealing leak position when cold-producing medium leaks.The contact staff installs after air regulator leaves, and the user starts air regulator to the indoor refrigerating/heating S4 that carries out.
At this, air regulator in use may be to external leaks because of vibration, wearing and tearing, the corrosion cold-producing medium of external force, inside, if it is low that the performance of air regulator takes place when causing the capacity of cold-producing medium to reduce in the leakage of above-mentioned cold-producing medium, after user's cognition is low to above-mentioned performance, require the contact staff to confirm the leakage of cold-producing medium once more.
But, in the past, the leakage of cold-producing medium can only feel that the performance of air regulator could require affirmation to this to the contact staff after low, therefore needs through considerable time up to the cold-producing medium that reinjects, and has the problem of the consumption that increases electric power the user.
In addition, the user quantitatively confirms that the performance of air regulator is low to property in the past, can only be cognitive with sensation, and therefore can't correctly confirm the leakage of cold-producing medium, and also will detect the step that cold-producing medium leaks successively after contact staff's arrival.
This shows that the method for above-mentioned existing detection air regulator obviously still has inconvenience and defective, and demands urgently further being improved in method and use.In order to solve the problem of the method existence that detects air regulator, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and conventional method, product do not have appropriate method and structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that the method for above-mentioned existing detection air regulator exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of method of new detection short of refrigerant of air conditioner, can improve the method for general existing detection air regulator, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
Main purpose of the present invention is, overcome the defective of the method existence of existing detection air regulator, and provide a kind of method of new detection short of refrigerant of air conditioner, technical problem to be solved is to make it provide a kind of thereby temperature from chamber inside/outside heat exchanger pipe detection under certain service condition is compared the method that is judged as the detection short of refrigerant of air conditioner of short of refrigerant when the difference of said temperature surpasses certain limit with the temperature that is kept at control part, thereby be suitable for practicality more, and have the value on the industry.
The object of the invention to solve the technical problems is to adopt following technical scheme to realize.According to a kind of method that detects short of refrigerant of air conditioner that the present invention proposes, it comprises following three phases, is respectively: the stage of confirming the air regulator service condition; The stage that the temperature [Td, Te] of indoor/external pipe of being detected under the above-mentioned service condition and the temperature that is kept at control part [Td ', Te '] are compared; When surpassing certain limit, poor [Td-Td '] [Te-Te '] of temperature measured in each indoor/external pipe under the above-mentioned service condition [Td, Te] and the temperature of preserving be judged as the stage of above-mentioned short of refrigerant.
The object of the invention to solve the technical problems can also be further achieved by the following technical measures.
The method of aforesaid detection short of refrigerant of air conditioner, wherein said when being judged as the short of refrigerant of above-mentioned air regulator, the display unit that also is included in above-mentioned air regulator shows the stage of fault message.
The method of aforesaid detection short of refrigerant of air conditioner, it also includes following five stages, is respectively: the stage of sensing chamber's inside/outside heat exchanger pipe temperature under certain service condition of air regulator [TdN ', TeN ']; Preserve the stage S140 of the above-mentioned chamber inside/outside heat exchanger pipe temperature that detects [TdN ', TeN ']; Under certain service condition that above-mentioned storage temperature stage S140 is preserved, detect the stage S160 of actual chamber inside/outside heat exchanger pipe temperature [TdN, TeN] by temperature sensor; The stage S170 that the temperature difference [TdN-TdN '] [TeN-TeN '] of above-mentioned temperature of preserving [TdN ', TeN '] and above-mentioned institute detected temperatures [TdN, TeN] is compared; When surpassing certain limit, said temperature poor [TdN-TdN '] [TeN-TeN '] is judged as the stage S190 of short of refrigerant.
The method of aforesaid detection short of refrigerant of air conditioner, it also includes: the temperature [TdN ', TeN '] of preserving the chamber inside/outside heat exchanger pipeline of being preserved among the stage S140 with temperature replaces being kept at the temperature data of control part.
The method of aforesaid detection short of refrigerant of air conditioner, the wherein said temperature range that compares with the said temperature difference is ± 2 ℃.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, in order to reach aforementioned goal of the invention, major technique of the present invention thes contents are as follows: the present invention proposes a kind of method that detects short of refrigerant of air conditioner, be that temperature to the temperature of indoor/Outer Tube of preserving under certain service condition and measured indoor/Outer Tube compares, when said temperature poor [TdN-TdN '] [TeN-TeN '] surpasses certain limit, be judged as short of refrigerant.Therefore, the present invention can clearly pass on the information of short of refrigerant to user or contact staff.
By technique scheme, the method that the present invention detects short of refrigerant of air conditioner has following advantage at least:
1, to detect the method for short of refrigerant of air conditioner be that temperature to the temperature of indoor/Outer Tube of preserving under certain service condition and measured indoor/Outer Tube compares in the present invention, when said temperature poor [TdN-TdN '], [TeN-TeN '] are judged as short of refrigerant when surpassing certain limit.Therefore, the present invention can clearly pass on the information of short of refrigerant to user or contact staff.
2, the present invention's method of detecting short of refrigerant of air conditioner does not need the contact staff manually to detect the deficiency that cold-producing medium also can detect refrigerant amount, therefore can detect the fault that causes because of short of refrigerant more easily.
3, the present invention detect the method for short of refrigerant of air conditioner can be when air regulator be installed and whether detect refrigerant amount during the operation air regulator not enough, therefore can prevent because of the performance of the air regulator that deficiency caused of refrigerant amount low.
4, the method for the detection short of refrigerant of air conditioner of the present invention chamber inside/outside heat exchanger pipe temperature that will detect in the infield of air regulator [TdN ', TeN '] is judged the deficiency of refrigerant amount as benchmark, thus the error that the temperature of preserving can reduce because of product export to greatest extent the time takes place.
In sum, the method of the detection short of refrigerant of air conditioner that the present invention is special, it has above-mentioned many advantages and practical value, and in same class methods, not seeing in the product has similar design to publish or use and really genus innovation, no matter it is in method, bigger improvement is all arranged on the structure or on the function, have large improvement technically, and produced handy and practical effect, and the method for more existing detection air regulator has the multinomial effect of enhancement, thereby be suitable for practicality more, and have the extensive value of industry, really be a novelty, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
Method of the present invention, the specific embodiment and structure thereof are provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the schematic diagram according to air regulator of the present invention.
Fig. 2 is the structure chart according to air regulator of the present invention.
Fig. 3 is the structured flowchart according to control part of the present invention.
Fig. 4 is the method precedence diagram that detects short of refrigerant when air regulator of the present invention is set.
Fig. 5 is provided with the air regulator of the present invention detection method of refrigerant amount afterwards.
Fig. 6 is that the contact staff detected the procedural order figure of short of refrigerant of air conditioner in the past.
10: indoor set 12,22: temperature sensor
16: display unit 14,24: temperature sensor
20: off-premises station 51: indoor heat exchanger
52: indoor blower 54: indoor expansion valve
61: electric storage means 62,63, compressor
64: oil eliminator 65: the four-way valve
66: capillary 67: outdoor heat exchanger
68: outdoor expansion valve 80: control part
82: memory section
The specific embodiment
Reach technological means and the effect that predetermined goal of the invention is taked in order further to set forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, its specific embodiment of method, method, step, structure, feature and the effect thereof of the detection short of refrigerant of air conditioner that foundation the present invention is proposed, describe in detail as after.
According to the method for detection short of refrigerant of air conditioner of the present invention, it mainly comprises three phases, is respectively: the stage S40 that confirms the air regulator service condition; The stage S50 that the temperature [Td, Te] of indoor/external pipe of being detected under the above-mentioned service condition and the temperature that is kept at control part 80 [Td ', Te '] are compared; As temperature measured in each indoor/external pipe under the above-mentioned service condition [Td, Te] and poor [Td-Td '] of the temperature of preserving, [Te-Te '] is judged as above-mentioned short of refrigerant when surpassing certain limit stage S60.
Method according to detection short of refrigerant of air conditioner of the present invention comprises five stages, is respectively: the stage S130 of sensing chamber's inside/outside heat exchanger pipe temperature under certain service condition of air regulator [TdN ', TeN ']; Preserve the stage S140 of the above-mentioned chamber inside/outside heat exchanger pipe temperature that detects [TdN ', TeN ']; Under certain service condition that above-mentioned storage temperature stage S140 is preserved, detect the stage S160 of actual chamber inside/outside heat exchanger pipe temperature [TdN, TeN] by temperature sensor; To above-mentioned temperature of preserving [TdN ', TeN '] and the temperature difference [TdN-TdN '] of above-mentioned institute detected temperatures [TdN, TeN], the stage S170 that [TeN-TeN '] compares; When surpassing certain limit, said temperature poor [TdN-TdN '], [TeN-TeN '] be judged as the stage S190 of short of refrigerant.
Be described in more detail according to embodiments of the invention below in conjunction with accompanying drawing.But, invention thought of the present invention be not limited to for embodiment, understand other embodiment in the same thought scope that those skilled in the art of inventive concept enumerate easily, also comprise invention thought of the present invention.
Fig. 1 is the schematic diagram according to air regulator of the present invention; Fig. 2 is the structure chart according to air regulator of the present invention; Fig. 3 is the structured flowchart according to control part of the present invention; Fig. 4 is the method precedence diagram according to detection short of refrigerant of air conditioner of the present invention.
See also Fig. 1, shown in Figure 2, air regulator according to the present invention is formed with the off-premises station 20 that is connected in above-mentioned indoor set 10 by being arranged on the indoor a plurality of indoor sets in house 10.Above-mentioned indoor set 10 and above-mentioned off-premises station 20 are connected by refrigerant tubing, and above-mentioned indoor set 10 desired refrigerating/heating capacity are big more, and compressor 62, the 63 action numbers of above-mentioned off-premises station 20 are just many more.
At this, above-mentioned indoor set 10 is made up of indoor heat exchanger 51, indoor blower 52 and indoor expansion valve 54.51 pairs of cold-producing mediums of indoor heat exchanger and room air carry out heat exchange; The proximity that indoor blower 52 is arranged on above-mentioned indoor heat exchanger 51 circulates room air; Indoor expansion valve 54 makes the cold-producing medium that flow to above-mentioned indoor heat exchanger 51 in the process of refrigerastion obtain expanding.
See also shown in Figure 2ly again, above-mentioned off-premises station 20 is made up of electric storage means 61, compressor 62,63, four-way valve 65, outdoor heat exchanger 67 and outdoor expansion valve 68.Electric storage means 61 extracts gas refrigerant from the cold-producing medium by above-mentioned indoor set 10 supplies; Compressor 62,63 receives the gas refrigerant that extracts from above-mentioned electric storage means 61 it is compressed; Four-way valve 65 is connected in above-mentioned compressor 62,63, and the passage of compressed refrigerant is selected; 67 pairs of cold-producing medium and outdoor airs from above-mentioned four-way valve 65 supplies of outdoor heat exchanger carry out heat exchange; Outdoor expansion valve 68 makes the cold-producing medium that flows out from above-mentioned indoor heat exchanger 67 in the process of heating obtain expanding.
At this, above-mentioned off-premises station 20 possesses variable displacement compressor 62 and constant speed compressor 63, and above-mentioned variable displacement compressor 62 is the compressors that can change refrigerant compression capacity, is quantitative compressor and above-mentioned constant speed compressor 63 is compression volumes of cold-producing medium.
And, being provided with oil eliminator 64 in the pipeline of connection above-mentioned compressor 62,63 and above-mentioned four-way valve 65, above-mentioned oil eliminator 64 is connected to the suction side of above-mentioned compressor 62,63.Especially, above-mentioned oil eliminator 64 is separating oil from the cold-producing medium of being discharged by above-mentioned compressor 62,63, and above-mentioned separated oil is supplied to above-mentioned compressor 62,63, thereby at above-mentioned compressor 62, the 63 inner oil that keep appropriate amount.And the suction side pipeline of above-mentioned oil eliminator 64 and above-mentioned compressor 62,63 is connected by capillary 66, and oil flows by above-mentioned capillary 66.Simultaneously, above-mentioned indoor set 10 and above-mentioned off-premises station 20 respectively are provided with the temperature sensor 12,22 of sensing chamber's inside/outside temperature, above-mentioned chamber inside/outside heat exchanger 51,67 also respectively is provided with the temperature sensor 14,24 that detects above-mentioned chamber inside/outside heat exchanger 51,67 temperature, and the temperature that detects from said temperature sensor 12,14,22,24 is communicated to above-mentioned control part.
See also Fig. 3, shown in Figure 4, be described in more detail the method that detects short of refrigerant of air conditioner below.
At first, the method according to detection short of refrigerant of air conditioner of the present invention comprises that with the next stage promptly the contact staff confirms whether refrigerant tubing has the stage of appropriate amount cold-producing medium S20 after installing air regulator S10; Start the stage S30 of above-mentioned air regulator with test/trial running mode.
At this, also comprise following five stages, they are respectively: at the test/trial running mode of above-mentioned air regulator, confirm the stage S40 of air regulator service condition for detecting short of refrigerant; The stage S50 that the temperature [Td, Te] of indoor/external pipe of being detected under the above-mentioned service condition and the temperature that is kept at control part 80 [Td ', Te '] are compared; When surpassing certain limit, the difference of the measured temperature of each indoor/external pipe under the above-mentioned service condition [Td, Te] and the temperature of preserving [Td ', Te '] is judged as the stage S60 of above-mentioned short of refrigerant; According to above-mentioned stage S60, show the stage S70 of fault message in the display unit 16 of air regulator; When the difference of the measured temperature of each indoor/external pipe under the above-mentioned service condition [Td, Te] and the temperature of preserving [Td ', Te '] is judged as the normal stage S80 of refrigerant amount within the specific limits the time.
At this, above-mentioned control part 80 receives the temperature of measuring from the temperature sensor 14,24 of chamber inside/ outside temperature sensor 12,22 and chamber inside/outside heat exchanger, and memory section [EEPROM] 82 is preserved the data that obtain by test.Especially, when refrigerant amount is 100%, above-mentioned memory section 82 is preserved temperature according to the chamber inside/outside heat exchanger of each service condition of air regulator [Td ', Te '], and above-mentioned service condition is the startup ratio of the compressor 62,63 that starts of preferred temperature that operational mode, chamber inside/outside temperature conditions, the user according to air regulator sets.
And, at the pipe temperature [Td, Te] of said temperature detection-phase S40 by said temperature sensor 12,14,22,24 sensing chamber's inside/outside temperature and chamber inside/outside heat exchanger, try to achieve the temperature of measuring [Td, Te] and the temperature of preserving [Td ', Te '] poor at above-mentioned comparison phase S50, thus the temperature difference [Td-Td '], [Te-Te '] of confirming above-mentioned each chamber inside/outside heat exchanger pipeline S50 within certain limit [± 2 ℃] whether.At this, when the off-capacity of above-mentioned cold-producing medium, the refrigerating/heating performance of air regulator can be low, and will exceed cold-producing medium is the temperature range of being measured by test in 100% o'clock.
Therefore, when temperature difference [Td-Td '], when [Te-Te '] surpasses the said temperature scope, above-mentioned control part 80 is made the judgement S60 of short of refrigerant, when not surpassing the said temperature scope, is judged as the sufficient S80 of refrigerant amount.Especially, S60 when being judged as above-mentioned short of refrigerant in order to allow the deficiency of the cognitive above-mentioned cold-producing medium of user, shows the error message S70 of lack of refrigerant on above-mentioned display unit 16.
When being shown as above-mentioned short of refrigerant, thereby the contact staff moves above-mentioned test/trial running mode affirmation refrigerant charge after again cold-producing medium being injected into above-mentioned refrigerant tubing once more; If be judged as above-mentioned refrigerant amount when sufficient, the contact staff finishes the installation of above-mentioned air regulator.
See also shown in Figure 5ly, Fig. 5 is the coolant amount detection method that is provided with after the air regulator of the present invention.
At this, S110 when being judged as the air regulator cold-producing medium that injects abundance by above-mentioned test/trial running mode S30, the user starts above-mentioned air regulator S120, and above-mentioned control part is in the deficiency of the detection refrigerant amount in service of air regulator.
Therefore, method according to detection short of refrigerant of air conditioner of the present invention is made up of following several stages, they are respectively: under certain service condition of air regulator, and the stage S130 of sensing chamber's inside/outside heat exchanger pipe temperature [TdN ', TeN ']; Preserve the stage S140 of the above-mentioned chamber inside/outside heat exchanger pipe temperature that has detected [TdN ', TeN ']; More than air regulator starts certain number of times or certain hour S150 when above, preserve the stage S160 that detects actual chamber inside/outside heat exchanger pipe temperatures [TdN, TeN] under certain service condition of being preserved among the stage S140 by temperature sensor 12,14,22,24 at said temperature; The stage S170 that temperature difference [TdN-TdN '] [TeN-TeN '] between temperature of above-mentioned preservation [TdN ', TeN '] and the above-mentioned temperature that detects [TdN, TeN] is compared; Said temperature poor [TdN-TdN '] [TeN-TeN '] is judged as the normal stage S180 of refrigerant amount within certain limit ± 2 ℃ the time; When surpassing certain limit ± 2 ℃, said temperature poor [TdN-TdN '] [TeN-TeN '] is judged as the stage S190 of short of refrigerant; When above-mentioned short of refrigerant, show the stage S70 of corresponding error message.
At this, said temperature is preserved the stage that stage S140 is the data that are kept at control part 80 during with the manufacturer's outbound detected temperatures that replaces with the air regulator infield [TdN ', TeN '], installation environment difference according to air regulator, the measured value of above-mentioned chamber inside/outside heat exchanger is different, but at this stage S140 to be more suitable for data modification normal temperature [TdN ', TeN '] in the infield.And, the above air regulator S150 that uses of user's certain hour or certain number of times, above-mentioned control part 80 is by said temperature sensor 12,14,22,24 detected temperatures 160, to the temperature difference [TdN-TdN '] [TeN-TeN '] between the temperature of above-mentioned preservation [TdN ', TeN '] and the above-mentioned temperature that detects [TdN, TeN] thus compare and judge whether deficiency of refrigerant amount.
At this, to said temperature poor [TdN-TdN '] [TeN-TeN '] relatively is to preserve under the condition of the service condition of being preserved among the stage S140 [chamber inside/outside, operational mode, according to the operation ratio of the compressor of refrigerating/heating load, the air quantity of indoor/outer pressure fan etc.] and carry out being same as said temperature.When said temperature poor [TdN-TdN '] [TeN-TeN '] surpassed certain limit, it was low to be judged as the air regulator performance that causes because of short of refrigerant, otherwise is considered as normal.When being judged as short of refrigerant, above-mentioned control part is pointed out the information of short of refrigerant by making the method for above-mentioned display unit LED flicker to user or contact staff.
The foregoing description has illustrated that through detected the method for short of refrigerant after the certain hour automatically by above-mentioned control part, carry out the method that detects above-mentioned short of refrigerant arbitrarily but user or contact staff operate the control part button [not shown] of above-mentioned air regulator also harmless.
Above-mentioned the present invention as the method and structure formation detects the technological innovation of the method for short of refrigerant of air conditioner, all has many saving graces for technical staff of the same trade now, and the progressive that possesses skills really.But, in technical field of the present invention,, can improve other exercisable embodiment of the present invention as long as possess the most basic knowledge.In the present invention substantive technical scheme has been proposed the patent protection request, its protection domain should comprise all variation patterns with above-mentioned technical characterstic.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in the scope that does not break away from technical solution of the present invention, when the method that can utilize above-mentioned announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (5)
1, a kind of method that detects short of refrigerant of air conditioner is characterized in that it comprises following three phases, is respectively: the stage of confirming the air regulator service condition; The stage that the temperature [Td, Te] of indoor/external pipe of being detected under the above-mentioned service condition and the temperature that is kept at control part [Td ', Te '] are compared; When surpassing certain limit, poor [Td-Td '] [Te-Te '] of temperature measured in each indoor/external pipe under the above-mentioned service condition [Td, Te] and the temperature of preserving be judged as the stage of above-mentioned short of refrigerant.
2, the method for detection short of refrigerant of air conditioner according to claim 1 is characterized in that: when being judged as the short of refrigerant of above-mentioned air regulator, the display unit that also is included in above-mentioned air regulator shows the stage of fault message.
3, a kind of method that detects short of refrigerant of air conditioner is characterized in that it comprises following five stages, is respectively: the stage of sensing chamber's inside/outside heat exchanger pipe temperature under certain service condition of air regulator [TdN ', TeN ']; Preserve the stage of the above-mentioned chamber inside/outside heat exchanger pipe temperature that detects [TdN ', TeN ']; Under certain service condition of being preserved in the above-mentioned storage temperature stage, detect the stage of actual chamber inside/outside heat exchanger pipe temperature [TdN, TeN] by temperature sensor; The stage that the temperature difference [TdN-TdN '] [TeN-TeN '] of above-mentioned temperature of preserving [TdN ', TeN '] and above-mentioned institute detected temperatures [TdN, TeN] is compared; When surpassing certain limit, said temperature poor [TdN-TdN '] [TeN-TeN '] is judged as the stage of short of refrigerant.
4, the method for detection short of refrigerant of air conditioner according to claim 3 is characterized in that: the temperature data that replaces being kept at control part with the temperature of the chamber inside/outside heat exchanger pipeline preserved in the temperature preservation stage [TdN ', TeN '].
5, the method for detection short of refrigerant of air conditioner according to claim 3 is characterized in that: the temperature range that compares with the said temperature difference is ± 2 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510116630 CN1955593A (en) | 2005-10-26 | 2005-10-26 | Method for detecting short of refrigerant of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510116630 CN1955593A (en) | 2005-10-26 | 2005-10-26 | Method for detecting short of refrigerant of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1955593A true CN1955593A (en) | 2007-05-02 |
Family
ID=38063071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510116630 Pending CN1955593A (en) | 2005-10-26 | 2005-10-26 | Method for detecting short of refrigerant of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1955593A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876474A (en) * | 2010-07-22 | 2010-11-03 | 四川长虹空调有限公司 | Method for automatically detecting lack of refrigerant in air-conditioner |
| CN101539316B (en) * | 2008-03-21 | 2011-06-01 | Lg电子株式会社 | Air-conditioner and method for charging refrigerant of air-conditioner |
| CN101762133B (en) * | 2007-11-01 | 2012-02-01 | 三菱电机株式会社 | Refrigerant filling method for refrigerating air conditioning apparatus |
| CN101960234B (en) * | 2008-02-29 | 2013-03-20 | 大金工业株式会社 | Air conditioner |
| CN105928135A (en) * | 2016-04-19 | 2016-09-07 | 青岛海尔空调器有限总公司 | Method and device for judging refrigerant amount and refrigeration equipment |
| CN108759010A (en) * | 2018-06-19 | 2018-11-06 | 广东美的制冷设备有限公司 | Refrigerant replenishment control method, air conditioner and the storage medium of air conditioner |
| CN115654650A (en) * | 2022-11-04 | 2023-01-31 | 青岛海尔空调器有限总公司 | Method and device for detecting refrigerant leakage, air conditioner and storage medium |
-
2005
- 2005-10-26 CN CN 200510116630 patent/CN1955593A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762133B (en) * | 2007-11-01 | 2012-02-01 | 三菱电机株式会社 | Refrigerant filling method for refrigerating air conditioning apparatus |
| CN101960234B (en) * | 2008-02-29 | 2013-03-20 | 大金工业株式会社 | Air conditioner |
| CN101539316B (en) * | 2008-03-21 | 2011-06-01 | Lg电子株式会社 | Air-conditioner and method for charging refrigerant of air-conditioner |
| CN101876474A (en) * | 2010-07-22 | 2010-11-03 | 四川长虹空调有限公司 | Method for automatically detecting lack of refrigerant in air-conditioner |
| CN105928135A (en) * | 2016-04-19 | 2016-09-07 | 青岛海尔空调器有限总公司 | Method and device for judging refrigerant amount and refrigeration equipment |
| CN108759010A (en) * | 2018-06-19 | 2018-11-06 | 广东美的制冷设备有限公司 | Refrigerant replenishment control method, air conditioner and the storage medium of air conditioner |
| CN115654650A (en) * | 2022-11-04 | 2023-01-31 | 青岛海尔空调器有限总公司 | Method and device for detecting refrigerant leakage, air conditioner and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1955593A (en) | Method for detecting short of refrigerant of air conditioner | |
| CN1734384A (en) | Operation control method for unitary air conditioner | |
| CN1766538A (en) | Abnormal state detecting apparatus of multi-type air conditioner and method thereof | |
| CN1193199C (en) | Air conditioning system with two compressors and method for operating the same | |
| JP5263522B2 (en) | Refrigeration equipment | |
| CN1737440A (en) | Air-conditioner and method for controlling driving thereof | |
| CN1699865A (en) | Apparatus and method for controlling air-conditioner | |
| CN1766446A (en) | System for detecting mis-connected state between communication lines for multi-type air conditioner and method thereof | |
| CN1519515A (en) | Energy saving dehumidification method of air conditioner | |
| CN105485857B (en) | The stifled detection method of air-conditioning system oil and detection means, air conditioner | |
| CN1782575A (en) | Device and method for controlling cold medium leakage of pipe fitting of one dragging more air conditioner | |
| CN105570134A (en) | Capacity-variable compressor and refrigerating device with same | |
| CN104567106A (en) | High-temperature oil return method of variable frequency air conditioner | |
| CN1239860C (en) | Device and method for controlling compressor of air conditioner | |
| CN1892128A (en) | Air-conditioner test-run control method | |
| CN103983038B (en) | Air conditioning system and control method thereof | |
| CN105570138A (en) | Variable-displacement compressor and refrigerating device with same | |
| CN105570133A (en) | Variable-displacement compressor and refrigerating device with same | |
| CN210191090U (en) | Automobile heat pump air conditioning system with low-temperature starting function | |
| CN1523312A (en) | Multi-type air conditioner and method for controlling operation of the same | |
| CN200952856Y (en) | Multiple air conditioner machine set oil balancing device | |
| CN1888645A (en) | Indoor heat exchanger icing suppressing method for air conditioner | |
| CN100465553C (en) | Oil separator mounted with heater | |
| CN107084481B (en) | Air conditioner and control method | |
| CN1967076A (en) | Vacuum error detection method and device for combined air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20070502 |