CN203869825U - Detection system and air conditioner - Google Patents
Detection system and air conditioner Download PDFInfo
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- CN203869825U CN203869825U CN201420296729.3U CN201420296729U CN203869825U CN 203869825 U CN203869825 U CN 203869825U CN 201420296729 U CN201420296729 U CN 201420296729U CN 203869825 U CN203869825 U CN 203869825U
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Abstract
The embodiment of the utility model discloses a detection system. The detection system comprises two solenoid valves arranged in a refrigerant loop, a pressure sensor arranged at the air exhaust opening of a compressor, and a controller electrically connected with the two solenoid valve and the pressure transducer. When the controller receives a power-on instruction, solenoid valves are sequentially opened according to the refrigerant loop in an air conditioner. Refrigerant leakage is determined according to the pressure value acquired by the pressure sensor before each solenoid valve is opened. In this way, the refrigerant leakage of a refrigerant loop section closest to the air exhaust opening of the compressor in the refrigerant loop can be determined to realize detection of refrigerant leakage in sections and to determine the position scope of refrigerant leakage. The utility model further provides an air conditioner.
Description
Technical field
The utility model relates to air conditioner technical field, more particularly, relates to a kind of detection system and air conditioner.
Background technology
Air conditioner refrigerant is leaked not only wastes electric power, also can shorten the serviceable life of air conditioner, and serious meeting causes the danger of fire or blast, therefore, need to whether cold-producing medium be leaked and be detected.
Whether whether at present, detecting air conditioner has the method for refrigrant leakage to have a lot, leak, and cannot the position of leaking occur judgement system but these detection methods all can only judge refrigeration system.
Therefore, how to detect the position that cold-producing medium occur to leak and become problem demanding prompt solution.
Utility model content
The purpose of this utility model is to provide a kind of detection system, to detect cold-producing medium, the position of leaking occurs.
For achieving the above object, the utility model provides following technical scheme:
A kind of detection system, be applied to air conditioner, described air conditioner comprises off-premises station, and the exhaust end of described off-premises station is provided with the first stop valve, the exhaust end of the outdoor heat exchanger in described off-premises station is provided with throttling valve, and described the first stop valve is connected by the first connecting pipe with described throttling valve; The inlet end of described off-premises station is provided with the second stop valve, and described the second stop valve is connected with the air entry of compressor in described off-premises station by the second connecting pipe; Described detection system comprises:
Be arranged on the pressure transducer on the 3rd connecting pipe of exhausr port of described compressor;
Be arranged on the first solenoid valve on described the first connecting pipe;
Be arranged on the second solenoid valve on described the second connecting pipe;
The controller being electrically connected to described pressure transducer, described the first solenoid valve and described the second solenoid valve respectively.
Said system, preferred, described off-premises station also comprises four-way change-over valve, the exhausr port of described compressor is connected with the inlet end of described outdoor heat exchanger by the first path of described four-way change-over valve;
Described the second connecting pipe comprises the first connecting branch and the second connecting branch;
The input end of the alternate path of described four-way change-over valve is connected with described the second stop valve by described the first connecting branch, and the output terminal of the alternate path of described four-way change-over valve is connected with the air entry of described compressor by described the second connecting branch.
Said system, preferred, also comprise:
At least one the 3rd solenoid valve, the setting position of described the 3rd solenoid valve is all different with the setting position of described the second solenoid valve from the setting position of described the first solenoid valve.
Said system, preferably, described air conditioner also comprises indoor set, and the inlet end of the indoor heat exchanger in described indoor set is connected with the first connector by the 4th connecting pipe, and the exhaust end of the indoor heat exchanger in described indoor set is connected with the second connector by the 5th connecting pipe; Described system also comprises two the 3rd solenoid valves, wherein,
The 4th solenoid valve in described two the 3rd solenoid valves is arranged on described the 4th connecting pipe, and the 5th solenoid valve in described two the 3rd solenoid valves is arranged on described the 5th connecting pipe;
Described controller is also electrically connected to described the 4th solenoid valve and described the 5th solenoid valve.
Said system, preferably, described air conditioner also comprises indoor set, and the inlet end of the indoor heat exchanger in described indoor set is connected with the first connector by the 4th connecting pipe, and the exhaust end of the indoor heat exchanger in described indoor set is connected with the second connector by the 5th connecting pipe; Described system also comprises four the 3rd solenoid valves, wherein,
The 4th solenoid valve in described four the 3rd solenoid valves is arranged on described the 4th connecting pipe, and the 5th solenoid valve in described four the 3rd solenoid valves is arranged on described the 5th connecting pipe;
The 6th solenoid valve in described four the 3rd solenoid valves is arranged on the connecting pipe between the exhausr port of described compressor and the inlet end of described outdoor heat exchanger, and the 7th solenoid valve in described four the 3rd solenoid valves is arranged on the connecting pipe between described throttling valve and the exhaust end of described outdoor heat exchanger;
Described controller is also electrically connected to described the 4th solenoid valve, described the 5th solenoid valve, described the 6th solenoid valve and described the 7th solenoid valve.
An air conditioner, comprises the detection system described in as above any one.
Known by above scheme, a kind of detection system that the application provides, be applied to air conditioner, described air conditioner comprises off-premises station, the exhaust end of described off-premises station is provided with the first stop valve, the exhaust end of the outdoor heat exchanger in described off-premises station is provided with throttling valve, and described the first stop valve is connected by the first connecting pipe with described throttling valve; The inlet end of described off-premises station is provided with the second stop valve, and described the second stop valve is connected with the air entry of compressor in described off-premises station by the second connecting pipe; Described detection system comprises: be arranged on the pressure transducer on the 3rd connecting pipe of exhaust end of described compressor; Be arranged on the first solenoid valve on described the first connecting pipe; Be arranged on the second solenoid valve on described the second connecting pipe; The controller being electrically connected to described pressure transducer, described the first solenoid valve and described the second solenoid valve respectively.The detection system providing based on the embodiment of the present application, described controller can be after receiving start-up command, according to the refrigerant loop in described air conditioner, open successively each solenoid valve, and before opening, each solenoid valve judges whether to occur refrigrant leakage according to the force value of pressure transducer collection, thereby can judge whether the refrigerant loop section before the nearest not opens solenoid valve of refrigerant loop middle distance exhaust outlet of compressor refrigrant leakage occurs, realize segmentation and detect the object whether cold-producing medium leakage occurs, thereby determine that the position range leaking occurs cold-producing medium.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
A kind of structural representation of the detection system that Fig. 1 provides for the embodiment of the present application;
The another kind of structural representation of the detection system that Fig. 2 provides for the embodiment of the present application;
Another structural representation of the detection system that Fig. 3 provides for the embodiment of the present application;
Another structural representation of the detection system that Fig. 4 provides for the embodiment of the present application.
Term " first " in instructions and claims and above-mentioned accompanying drawing, " second ", " the 3rd " " 4th " etc. (if existence) are for distinguishing similar part, and needn't be for describing specific order or precedence.The data that should be appreciated that such use suitably can exchanged in situation, so that the application's described herein embodiment can be with the order enforcement except here illustrated.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The detection system that the embodiment of the present application provides is applied to air conditioner, described air conditioner comprises off-premises station, the exhaust end of described off-premises station is provided with the first stop valve, the exhaust end of the outdoor heat exchanger in described off-premises station is provided with throttling valve, and described the first stop valve is connected by the first connecting pipe with described throttling valve; The inlet end of described off-premises station is provided with the second stop valve, and described the second stop valve is connected with the air entry of compressor in off-premises station by the second connecting pipe.
Refer to Fig. 1, a kind of structural representation of the detection system that Fig. 1 provides for the embodiment of the present application, can comprise:
Pressure transducer 1, the first solenoid valve 2, the second solenoid valves 3 and controller 4; Wherein,
Pressure transducer 1 is arranged on the 3rd connecting pipe of exhausr port of compressor, for gathering the pressure of the exhausr port of compressor; Be that pressure transducer 1 is arranged on the 3rd connecting pipe (in Fig. 1, the connecting pipe between the inlet end of outdoor heat exchanger and the exhausr port of compressor) being connected with the exhausr port of compressor.
The first solenoid valve 2 is arranged on the first connecting pipe, and the first solenoid valve 2 is arranged in off-premises station on the connecting line between throttling valve and the first stop valve;
The second solenoid valve 3 is arranged on the second connecting pipe, and the second solenoid valve 3 is arranged in off-premises station on the connecting line between the second stop valve and the air entry of compressor;
Controller 4 is electrically connected to pressure transducer 1, the first solenoid valve 2 and the second solenoid valve 3 respectively.
For ease of distinguishing, in the embodiment of the present application, the connecting line in air conditioner between all parts represents with solid line, and connection line between controller 4 and pressure transducer 1 and each solenoid valve dots.
When air conditioner normally freezes, in refrigerant loop, each solenoid valve is all opened, in the embodiment of the present application, the first solenoid valve 2 and the second solenoid valve 3 are all opened, in air conditioner, refrigerant loop is: cold-producing medium is from exhaust outlet of compressor is discharged, first enter outdoor heat exchanger, after outdoor heat exchanger is discharged, through throttling valve, the first solenoid valve 2 and the first stop valve, export successively the indoor heat exchanger of indoor set to, cold-producing medium enters off-premises station through the second stop valve from indoor heat exchanger output, then through the second solenoid valve 3, enters compressor air suction mouth.
In the embodiment of the present application, two solenoid valves are set in refrigerant loop, refrigerant loop is divided into three sections: from exhaust outlet of compressor, to the first solenoid valve 2, being first paragraph, is second segment from the first solenoid valve 2 to second solenoid valves 3, is the 3rd section from the second solenoid valve 3 to compressor air suction mouth.Based on as above detection system, controller 4 can be after receiving start-up command, according to refrigerant loop in air conditioner, open successively each solenoid valve, and before opening, each solenoid valve judges whether to occur refrigrant leakage according to the force value of pressure transducer collection, thereby can judge whether the refrigerant loop section before the nearest not opens solenoid valve of refrigerant loop middle distance exhaust outlet of compressor refrigrant leakage occurs, realize segmentation and detect the object whether cold-producing medium leakage occurs, thereby determine that the position range leaking occurs cold-producing medium.
Below in conjunction with Fig. 1, illustrate in the embodiment of the present application, by detection system shown in Fig. 1, realize the process that segmentation detects.
In air conditioner start, before compressor start, each solenoid valve is in closed condition.
Controller 4 is after receiving start-up command, can obtain the force value that pressure transducer 1 records, the change information of the force value recording according to pressure transducer 1 determines whether to occur refrigrant leakage, and because the first solenoid valve 2 cuts out, cold-producing medium can not pass through the first solenoid valve 2, therefore, if determined, refrigrant leakage occurs, refrigerant loop section generation refrigrant leakage between exhaust outlet of compressor and the first solenoid valve 2 is described, does not open the first solenoid valve 2 and the follow-up solenoid valve of not opening; Otherwise, illustrate that the refrigerant loop section between exhaust outlet of compressor and the first solenoid valve 2 is not leaked, then open the first solenoid valve 2;
After opening the first solenoid valve 2, again obtain the force value that pressure transducer 1 records, the change information of the force value recording according to pressure transducer 1 determines whether to occur refrigrant leakage, if generation refrigrant leakage, illustrate that the refrigerant loop section between the first solenoid valve 2 and the second solenoid valve 3 leaks, do not open the second solenoid valve 3; Otherwise, illustrate that the refrigerant loop section between the first solenoid valve 2 and the second solenoid valve 3 is not leaked yet, all there is not refrigrant leakage between the second solenoid valve 3 in exhaust outlet of compressor, then opens the second solenoid valve 3;
After opening the second solenoid valve 3, again obtain the force value that pressure transducer 1 records, the change information of the force value recording according to pressure transducer 1 determines whether to occur refrigrant leakage, if generation refrigrant leakage, illustrates the refrigerant loop section generation refrigrant leakage between the second solenoid valve 3 and compressor air suction mouth; Otherwise, illustrate that refrigrant leakage does not occur the refrigerant loop section between the second solenoid valve 3 and compressor air suction mouth yet, all there is not refrigrant leakage in whole refrigerant loop namely.
When definite whole refrigerant loop all refrigrant leakage does not occur, normally start compressor.
In another embodiment that the application provides, described off-premises station also comprises four-way change-over valve, and the exhausr port of described compressor is connected with the inlet end of described outdoor heat exchanger by the first path of described four-way change-over valve; Based on this, the another kind of structural representation of the detection system that the embodiment of the present application provides as shown in Figure 2, wherein, a mouth and the b mouth of four-way change-over valve form the first path, the c mouth of four-way change-over valve and d mouth form alternate path, and described the second connecting pipe comprises the first connecting branch 21 and the second connecting branch 22; Wherein,
The input end of the alternate path of four-way change-over valve (being c mouth) is connected with described the second stop valve by described the first connecting branch 21, and the output terminal of the alternate path of described four-way change-over valve (being d mouth) is connected with the air entry of described compressor by described the second connecting branch 22.
That is to say, the detection system that the embodiment of the present application provides, is not only applicable to not use the air conditioner of four-way change-over valve, is applicable to use the air conditioner of four-way change-over valve yet.
Above-described embodiment, preferred, described detection system can also comprise at least one the 3rd solenoid valve, the setting position of described the 3rd solenoid valve is all not identical with the setting position of described the first solenoid valve 2 and the setting position of described the second solenoid valve 3.
When the 3rd solenoid valve is one, this 3rd solenoid valve can be arranged on off-premises station one side, also can be arranged on indoor set one side;
For example, the 3rd solenoid valve can be arranged on the connecting pipe between exhaust outlet of compressor and the inlet end of outdoor heat exchanger; Or the 3rd solenoid valve can arrange on the exhaust end and the connecting pipe between throttling valve of outdoor heat exchanger; Or the 3rd solenoid valve can be arranged on the inlet end and the connecting pipe between the first connector of indoor heat exchanger in indoor set; Or the 3rd solenoid valve can be arranged on the exhaust end and the connecting pipe between the second connector of indoor heat exchanger in indoor set; Certainly, can also be arranged on other positions, as long as all not identical with the setting position of the first solenoid valve 2 and the setting position of described the second solenoid valve 3, repeat no longer one by one here.
When the 3rd solenoid valve is two or more, the 3rd solenoid valve can be arranged on off-premises station one side, also can be arranged on indoor set one side, or in off-premises station one side and off-premises station one side, the 3rd solenoid valve is set simultaneously.
For example, the 3rd solenoid valve can be set on the connecting pipe between exhaust outlet of compressor and the inlet end of outdoor heat exchanger, another the 3rd solenoid valve is set on the connecting pipe in indoor set between the inlet end of indoor heat exchanger and the first connector; Or the 3rd solenoid valve is set on the connecting pipe between exhaust outlet of compressor and the inlet end of outdoor heat exchanger, another the 3rd solenoid valve is set on the connecting pipe in indoor set between the exhaust end of indoor heat exchanger and the second connector; Certainly, can also there be other set-up modes, as, can on the exhaust end of outdoor heat exchanger and the connecting pipe between throttling valve, the 3rd solenoid valve be set, another the 3rd solenoid valve is set on the connecting pipe in indoor set between the inlet end of indoor heat exchanger and the first connector, the 3rd the 3rd solenoid valve is set on the connecting pipe in indoor set between the exhaust end of indoor heat exchanger and the second connector.
In the embodiment of the present application, be provided with three or more solenoid valves, can refrigerant loop be divided into more multistage according to the position of solenoid valve, thereby can divide more multistage to detect refrigerant loop, thereby determine more accurately the position of refrigrant leakage.
Another structural representation of the detection system that the embodiment of the present application provides as shown in Figure 3, in the embodiment of the present application, described air conditioner also comprises indoor set, the inlet end of the indoor heat exchanger in described indoor set is connected with the first connector by the 4th connecting pipe, and the exhaust end of the indoor heat exchanger in described indoor set is connected with the second connector by the 5th connecting pipe; Described system can also comprise two the 3rd solenoid valves, wherein,
The 4th solenoid valve 31 in described two the 3rd solenoid valves is arranged on described the 4th connecting pipe, and the 5th solenoid valve 32 in described two the 3rd solenoid valves is arranged on described the 5th connecting pipe;
For ease of distinguishing, in the embodiment of the present application, by two the 3rd solenoid valves difference called after the 4th solenoid valves and the 5th solenoid valves.
Described controller 4 is also electrically connected to described the 4th solenoid valve 31 and described the 5th solenoid valve 32.
Specifically whether cold-producing medium is being leaked while detecting, before the first solenoid valve 2 is opened, if refrigrant leakage detected, illustrate that exhaust outlet of compressor leaks to the refrigerant loop section between the first solenoid valve 2, do not open the first solenoid valve 2 and the follow-up solenoid valve of not opening; Otherwise illustrate that exhaust outlet of compressor does not leak to the refrigerant loop section between the first solenoid valve 2, then opens the first solenoid valve 2;
After opening the first solenoid valve 2, if refrigrant leakage detected, illustrate that the first solenoid valve 2 leaks to the refrigerant loop section between the 4th solenoid valve 31, do not open the 4th solenoid valve 31 and the follow-up solenoid valve of not opening; Otherwise illustrate that the first solenoid valve 2 does not leak to the refrigerant loop section between the 4th solenoid valve 31, then opens the 4th solenoid valve 31;
After opening the 4th solenoid valve 31, if refrigrant leakage detected, illustrate that the 4th solenoid valve 31 leaks to the refrigerant loop section between the 5th solenoid valve 32, do not open the 5th solenoid valve 32 and the follow-up solenoid valve of not opening; Otherwise illustrate that the 4th solenoid valve 31 does not leak to the refrigerant loop section between the 5th solenoid valve 32, then opens the 5th solenoid valve 32;
After opening the 5th solenoid valve 32, if refrigrant leakage detected, illustrate that the refrigerant loop section between the 5th solenoid valve 32 to second solenoid valves 3 is leaked, do not open the second solenoid valve 3; Otherwise illustrate that the refrigerant loop section between the 5th solenoid valve 32 to second solenoid valves 3 do not leak, then open the second solenoid valve 3;
After opening the second solenoid valve 3, if refrigrant leakage detected, illustrate that compressor air suction mouth leaks to the refrigerant loop section between the second solenoid valve 3; Otherwise illustrate that compressor air suction mouth does not leak to the refrigerant loop section between the second solenoid valve 3.
Another structural representation of the detection system that the embodiment of the present application provides as shown in Figure 4, in the embodiment of the present application, described air conditioner also comprises indoor set, the inlet end of the indoor heat exchanger in described indoor set is connected with the first connector by the 4th connecting pipe, and the exhaust end of the indoor heat exchanger in described indoor set is connected with the second connector by the 5th connecting pipe; Described system can also comprise four the 3rd solenoid valves, wherein,
The 4th solenoid valve 31 in described four the 3rd solenoid valves is arranged on described the 4th connecting pipe, and the 5th solenoid valve 32 in described four the 3rd solenoid valves is arranged on described the 5th connecting pipe;
The 6th solenoid valve 41 in described four the 3rd solenoid valves is arranged on the connecting pipe between the exhausr port of described compressor and the inlet end of described outdoor heat exchanger, and the 7th solenoid valve 42 in described four the 3rd solenoid valves is arranged on the connecting pipe between described throttling valve and the exhaust end of described outdoor heat exchanger;
Described controller 4 is also electrically connected to described the 4th solenoid valve 31, described the 5th solenoid valve 32, described the 6th solenoid valve 41 and described the 7th solenoid valve 42.
For ease of distinguishing, in the embodiment of the present application, by four the 3rd solenoid valves difference called after the 4th solenoid valves, the 5th solenoid valve, the 6th solenoid valve and the 7th solenoid valves.
Specifically whether cold-producing medium is being leaked while detecting, before the 6th solenoid valve 41 is opened, if refrigrant leakage detected, illustrate that the refrigerant loop section between exhaust outlet of compressor to the six solenoid valves 41 is leaked, do not open the 6th solenoid valve 41 and the follow-up solenoid valve of not opening; Otherwise illustrate that the refrigerant loop section between exhaust outlet of compressor to the six solenoid valves 41 do not leak, then open the 6th solenoid valve 41;
After opening the 6th solenoid valve 41, if refrigrant leakage detected, illustrate that the 6th solenoid valve 41 leaks to the refrigerant loop section between the 7th solenoid valve 42, do not open the 7th solenoid valve 42 and the follow-up solenoid valve of not opening; Otherwise illustrate that the 6th solenoid valve 41 does not leak to the refrigerant loop section between the 7th solenoid valve 42, then opens the 7th solenoid valve 42;
After opening the 7th solenoid valve 42, if refrigrant leakage detected, illustrate that the refrigerant loop section between the 7th solenoid valve 42 to first solenoid valves 2 is leaked, do not open the first solenoid valve 2 and the follow-up solenoid valve of not opening; Otherwise illustrate that the refrigerant loop section between the 7th solenoid valve 42 to first solenoid valves 2 do not leak, then open the first solenoid valve 2;
After opening the first solenoid valve 2, if refrigrant leakage detected, illustrate that the first solenoid valve 2 leaks to the refrigerant loop section between the 4th solenoid valve 31, do not open the 4th solenoid valve 31 and the follow-up solenoid valve of not opening; Otherwise illustrate that the first solenoid valve 2 does not leak to the refrigerant loop section between the 4th solenoid valve 31, then opens the 4th solenoid valve 31;
After opening the 4th solenoid valve 31, if refrigrant leakage detected, illustrate that the 4th solenoid valve 31 leaks to the refrigerant loop section between the 5th solenoid valve 32, do not open the 5th solenoid valve 32 and the follow-up solenoid valve for opening; Otherwise illustrate that the 4th solenoid valve 31 does not leak to the refrigerant loop section between the 5th solenoid valve 32, then opens the 5th solenoid valve 32;
After opening the 5th solenoid valve 32, if refrigrant leakage detected, illustrate that the refrigerant loop section between the 5th solenoid valve 32 to second solenoid valves 3 is leaked, do not open the second solenoid valve 3; Otherwise illustrate that the refrigerant loop section between the 5th solenoid valve 32 to second solenoid valves 3 do not leak, then open the second solenoid valve 3;
After opening the second solenoid valve 3, if refrigrant leakage detected, illustrate that compressor air suction mouth leaks to the refrigerant loop section between the second solenoid valve 3; Otherwise illustrate that compressor air suction mouth does not leak to the refrigerant loop section between the second solenoid valve 3.
In above-described embodiment, preferred, after detecting generation refrigrant leakage, can start corresponding defencive function, as reported to the police and/or closing air conditioner etc.
When all solenoid valves are all opened, and judge and do not occur after refrigrant leakage, can normally start compressor.
In above-described embodiment, preferred, after receiving shutdown command, described controller can also closeall solenoid valve.
The embodiment of the present application also provides a kind of air conditioner, and this air conditioner has the detection system described in as above any one.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a detection system, be applied to air conditioner, described air conditioner comprises off-premises station, and the exhaust end of described off-premises station is provided with the first stop valve, the exhaust end of the outdoor heat exchanger in described off-premises station is provided with throttling valve, and described the first stop valve is connected by the first connecting pipe with described throttling valve; The inlet end of described off-premises station is provided with the second stop valve, and described the second stop valve is connected with the air entry of compressor in described off-premises station by the second connecting pipe; It is characterized in that, described detection system comprises:
Be arranged on the pressure transducer on the 3rd connecting pipe of exhausr port of described compressor;
Be arranged on the first solenoid valve on described the first connecting pipe;
Be arranged on the second solenoid valve on described the second connecting pipe;
The controller being electrically connected to described pressure transducer, described the first solenoid valve and described the second solenoid valve respectively.
2. system according to claim 1, is characterized in that, described off-premises station also comprises four-way change-over valve, and the exhausr port of described compressor is connected with the inlet end of described outdoor heat exchanger by the first path of described four-way change-over valve;
Described the second connecting pipe comprises the first connecting branch and the second connecting branch;
The input end of the alternate path of described four-way change-over valve is connected with described the second stop valve by described the first connecting branch, and the output terminal of the alternate path of described four-way change-over valve is connected with the air entry of described compressor by described the second connecting branch.
3. system according to claim 1 and 2, is characterized in that, also comprises:
At least one the 3rd solenoid valve, the setting position of described the 3rd solenoid valve is all different with the setting position of described the second solenoid valve from the setting position of described the first solenoid valve.
4. system according to claim 3, it is characterized in that, described air conditioner also comprises indoor set, the inlet end of the indoor heat exchanger in described indoor set is connected with the first connector by the 4th connecting pipe, and the exhaust end of the indoor heat exchanger in described indoor set is connected with the second connector by the 5th connecting pipe; Described system also comprises two the 3rd solenoid valves, wherein,
The 4th solenoid valve in described two the 3rd solenoid valves is arranged on described the 4th connecting pipe, and the 5th solenoid valve in described two the 3rd solenoid valves is arranged on described the 5th connecting pipe;
Described controller is also electrically connected to described the 4th solenoid valve and described the 5th solenoid valve.
5. system according to claim 3, it is characterized in that, described air conditioner also comprises indoor set, the inlet end of the indoor heat exchanger in described indoor set is connected with the first connector by the 4th connecting pipe, and the exhaust end of the indoor heat exchanger in described indoor set is connected with the second connector by the 5th connecting pipe; Described system also comprises four the 3rd solenoid valves, wherein,
The 4th solenoid valve in described four the 3rd solenoid valves is arranged on described the 4th connecting pipe, and the 5th solenoid valve in described four the 3rd solenoid valves is arranged on described the 5th connecting pipe;
The 6th solenoid valve in described four the 3rd solenoid valves is arranged on the connecting pipe between the exhausr port of described compressor and the inlet end of described outdoor heat exchanger, and the 7th solenoid valve in described four the 3rd solenoid valves is arranged on the connecting pipe between described throttling valve and the exhaust end of described outdoor heat exchanger;
Described controller is also electrically connected to described the 4th solenoid valve, described the 5th solenoid valve, described the 6th solenoid valve and described the 7th solenoid valve.
6. an air conditioner, is characterized in that, comprises the detection system as described in claim 1-5 any one.
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| CN201420296729.3U CN203869825U (en) | 2014-06-05 | 2014-06-05 | Detection system and air conditioner |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104567158A (en) * | 2014-12-19 | 2015-04-29 | 李宁 | System and method for controlling leakage amount of refrigerant of refrigerator system |
| CN104296946B (en) * | 2014-11-06 | 2016-09-14 | 珠海格力电器股份有限公司 | The detection method of a kind of air conditioner coolant leakage and system |
| CN106556191A (en) * | 2015-09-30 | 2017-04-05 | 大金工业株式会社 | Ship refrigerating plant |
| CN107062546A (en) * | 2017-04-18 | 2017-08-18 | 广东志高暖通设备股份有限公司 | A kind of air-conditioning system for possessing self-checking function |
| CN111033154A (en) * | 2017-08-18 | 2020-04-17 | 三菱电机株式会社 | Air conditioner |
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2014
- 2014-06-05 CN CN201420296729.3U patent/CN203869825U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296946B (en) * | 2014-11-06 | 2016-09-14 | 珠海格力电器股份有限公司 | The detection method of a kind of air conditioner coolant leakage and system |
| CN104567158A (en) * | 2014-12-19 | 2015-04-29 | 李宁 | System and method for controlling leakage amount of refrigerant of refrigerator system |
| CN106556191A (en) * | 2015-09-30 | 2017-04-05 | 大金工业株式会社 | Ship refrigerating plant |
| CN106556191B (en) * | 2015-09-30 | 2019-05-03 | 大金工业株式会社 | Ship refrigerating plant |
| CN107062546A (en) * | 2017-04-18 | 2017-08-18 | 广东志高暖通设备股份有限公司 | A kind of air-conditioning system for possessing self-checking function |
| CN111033154A (en) * | 2017-08-18 | 2020-04-17 | 三菱电机株式会社 | Air conditioner |
| CN111033154B (en) * | 2017-08-18 | 2022-02-22 | 三菱电机株式会社 | Air conditioner |
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