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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- 238000001514 detection method Methods 0.000 title claims description 27
- 239000003507 refrigerant Substances 0.000 abstract description 97
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000011218 segmentation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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Abstract
The embodiment of the utility model discloses detecting system, including setting up two solenoid valves in the refrigerant return circuit and setting up the pressure sensor at the compressor gas vent to and the controller of being connected with these two solenoid valves and pressure sensor electricity, thereby the controller can be after receiving the start instruction, according to each solenoid valve is opened in proper order to refrigerant return circuit in the air conditioner to whether take place the refrigerant leakage according to the pressure value judgement that pressure sensor gathered before each solenoid valve opens, thereby can judge whether take place the refrigerant leakage in the refrigerant return circuit apart from the nearest refrigerant return circuit section before opening the solenoid valve of compressor gas vent, realized that the segmentation detects the refrigerant and whether take place the purpose of leaking, thereby can confirm the position range that the refrigerant took place to leak. The utility model also provides an air conditioner.
Description
Technical Field
The utility model relates to an air conditioner technical field, more specifically say, relate to a detecting system and air conditioner.
Background
Air conditioner refrigerant leakage not only wastes electricity, but also shortens the service life of the air conditioner, and seriously causes a fire or explosion hazard, and therefore, it is necessary to detect whether the refrigerant is leaked.
At present, there are many methods for detecting whether there is refrigerant leakage in an air conditioner, but these detection methods can only determine whether the refrigeration system leaks, but cannot determine the location of the system leakage.
Therefore, how to detect the position where the refrigerant leaks is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a detecting system to detect the position that the refrigerant took place to leak.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a detection system is applied to an air conditioner, the air conditioner comprises an outdoor unit, a first stop valve is arranged at the exhaust end of the outdoor unit, a throttle valve is arranged at the exhaust end of an outdoor heat exchanger in the outdoor unit, and the first stop valve and the throttle valve are connected through a first connecting pipe; the air inlet end of the outdoor unit is provided with a second stop valve, and the second stop valve is connected with an air suction port of a compressor in the outdoor unit through a second connecting pipe; the detection system comprises:
a pressure sensor disposed on a third connection pipe of an exhaust port of the compressor;
a first solenoid valve provided on the first connection pipe;
the second electromagnetic valve is arranged on the second connecting pipe;
and the controller is electrically connected with the pressure sensor, the first electromagnetic valve and the second electromagnetic valve respectively.
In the above system, preferably, the outdoor unit further includes a four-way reversing valve, and an exhaust port of the compressor is connected to an air inlet end of the outdoor heat exchanger through a first path of the four-way reversing valve;
the second connecting pipe comprises a first connecting branch pipe and a second connecting branch pipe;
the input end of a second passage of the four-way reversing valve is connected with the second stop valve through the first connecting branch pipe, and the output end of the second passage of the four-way reversing valve is connected with the air suction port of the compressor through the second connecting branch pipe.
The above system, preferably, further comprises:
and the setting position of the third electromagnetic valve is different from the setting positions of the first electromagnetic valve and the second electromagnetic valve.
In the system, preferably, the air conditioner further includes an indoor unit, an air inlet end of an indoor heat exchanger in the indoor unit is connected with the first connector through a fourth connecting pipe, and an air outlet end of the indoor heat exchanger in the indoor unit is connected with the second connector through a fifth connecting pipe; the system further comprises two third solenoid valves, wherein,
a fourth electromagnetic valve of the two third electromagnetic valves is arranged on the fourth connecting pipe, and a fifth electromagnetic valve of the two third electromagnetic valves is arranged on the fifth connecting pipe;
the controller is also electrically connected with the fourth solenoid valve and the fifth solenoid valve.
In the system, preferably, the air conditioner further includes an indoor unit, an air inlet end of an indoor heat exchanger in the indoor unit is connected with the first connector through a fourth connecting pipe, and an air outlet end of the indoor heat exchanger in the indoor unit is connected with the second connector through a fifth connecting pipe; the system further comprises four third solenoid valves, wherein,
a fourth electromagnetic valve of the four third electromagnetic valves is arranged on the fourth connecting pipe, and a fifth electromagnetic valve of the four third electromagnetic valves is arranged on the fifth connecting pipe;
a sixth electromagnetic valve of the four third electromagnetic valves is arranged on a connecting pipe between the exhaust port of the compressor and the air inlet end of the outdoor heat exchanger, and a seventh electromagnetic valve of the four third electromagnetic valves is arranged on a connecting pipe between the throttle valve and the exhaust end of the outdoor heat exchanger;
the controller is also electrically connected to the fourth solenoid valve, the fifth solenoid valve, the sixth solenoid valve, and the seventh solenoid valve.
An air conditioner comprising a detection system as claimed in any one of the preceding claims.
According to the scheme, the detection system is applied to the air conditioner, the air conditioner comprises an outdoor unit, a first stop valve is arranged at the exhaust end of the outdoor unit, a throttle valve is arranged at the exhaust end of an outdoor heat exchanger in the outdoor unit, and the first stop valve is connected with the throttle valve through a first connecting pipe; the air inlet end of the outdoor unit is provided with a second stop valve, and the second stop valve is connected with an air suction port of a compressor in the outdoor unit through a second connecting pipe; the detection system comprises: a pressure sensor disposed on a third connection pipe of a discharge end of the compressor; a first solenoid valve provided on the first connection pipe; the second electromagnetic valve is arranged on the second connecting pipe; and the controller is electrically connected with the pressure sensor, the first electromagnetic valve and the second electromagnetic valve respectively. Based on the detection system provided by the embodiment of the application, after receiving a starting instruction, the controller can sequentially open the electromagnetic valves according to the refrigerant circuit in the air conditioner, and judge whether refrigerant leakage occurs or not according to the pressure value acquired by the pressure sensor before each electromagnetic valve is opened, so that whether refrigerant leakage occurs in the refrigerant circuit section which is closest to the exhaust port of the compressor and is not before the electromagnetic valve is opened can be judged, the purpose of detecting whether refrigerant leakage occurs or not in a segmented manner is achieved, and the position range where the refrigerant leakage occurs is determined.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a detection system according to an embodiment of the present disclosure;
fig. 2 is another schematic structural diagram of a detection system provided in an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a detection system according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of another detection system provided in the embodiment of the present application.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be practiced otherwise than as specifically illustrated.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The detection system provided by the embodiment of the application is applied to an air conditioner, the air conditioner comprises an outdoor unit, a first stop valve is arranged at the exhaust end of the outdoor unit, a throttle valve is arranged at the exhaust end of an outdoor heat exchanger in the outdoor unit, and the first stop valve is connected with the throttle valve through a first connecting pipe; and the air inlet end of the outdoor unit is provided with a second stop valve, and the second stop valve is connected with an air suction port of a compressor in the outdoor unit through a second connecting pipe.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a detection system according to an embodiment of the present disclosure, which may include:
the device comprises a pressure sensor 1, a first electromagnetic valve 2, a second electromagnetic valve 3 and a controller 4; wherein,
the pressure sensor 1 is arranged on a third connecting pipe of an exhaust port of the compressor and used for collecting the pressure of the exhaust port of the compressor; that is, the pressure sensor 1 is provided on a third connection pipe (in fig. 1, a connection pipe between the inlet end of the outdoor heat exchanger and the discharge port of the compressor) connected to the discharge port of the compressor.
The first electromagnetic valve 2 is arranged on the first connecting pipe, namely the first electromagnetic valve 2 is arranged on the connecting pipeline between the throttle valve and the first stop valve in the outdoor unit;
the second electromagnetic valve 3 is arranged on a second connecting pipe, namely the second electromagnetic valve 3 is arranged on a connecting pipeline between a second stop valve and a suction port of the compressor in the outdoor unit;
the controller 4 is electrically connected to the pressure sensor 1, the first solenoid valve 2, and the second solenoid valve 3, respectively.
For the sake of convenience of distinction, in the embodiment of the present application, connection lines between respective components in the air conditioner are indicated by solid lines, and connection lines between the controller 4 and the pressure sensor 1 and the respective solenoid valves are indicated by broken lines.
When the air conditioner normally refrigerates, each solenoid valve in the refrigerant circuit all opens, in this application embodiment, first solenoid valve 2 and second solenoid valve 3 all open, and the refrigerant circuit is in the air conditioner: after being discharged from an exhaust port of the compressor, the refrigerant firstly enters an outdoor heat exchanger, is discharged by the outdoor heat exchanger, then is output to an indoor heat exchanger of an indoor unit through a throttle valve, a first electromagnetic valve 2 and a first stop valve in sequence, and after being output from the indoor heat exchanger, the refrigerant enters an outdoor unit through a second stop valve and then enters an air suction port of the compressor through a second electromagnetic valve 3.
In the embodiment of the application, two electromagnetic valves are arranged in the refrigerant circuit, and the refrigerant circuit is divided into three sections: the section from the exhaust port of the compressor to the first electromagnetic valve 2 is the first section, the section from the first electromagnetic valve 2 to the second electromagnetic valve 3 is the second section, and the section from the second electromagnetic valve 3 to the suction port of the compressor is the third section. Based on the above detection system, the controller 4 may sequentially turn on each solenoid valve according to the refrigerant circuit in the air conditioner after receiving the start-up instruction, and determine whether refrigerant leakage occurs according to the pressure value collected by the pressure sensor before each solenoid valve is turned on, thereby determining whether refrigerant leakage occurs in the refrigerant circuit section before the solenoid valve is turned on, which is closest to the compressor exhaust port, in the refrigerant circuit, and achieving the purpose of detecting whether refrigerant leakage occurs in a segmented manner, thereby determining the position range where refrigerant leakage occurs.
In the embodiment of the present application, a process of implementing segment detection by the detection system shown in fig. 1 is described below with reference to fig. 1.
When the air conditioner is started and the compressor is started, all the electromagnetic valves are in a closed state.
After receiving a starting instruction, the controller 4 can acquire a pressure value measured by the pressure sensor 1, and determine whether refrigerant leakage occurs according to change information of the pressure value measured by the pressure sensor 1, and since the first electromagnetic valve 2 is closed, the refrigerant cannot pass through the first electromagnetic valve 2, if it is determined that refrigerant leakage occurs, it indicates that refrigerant leakage occurs in a refrigerant loop section between a compressor exhaust port and the first electromagnetic valve 2, and the first electromagnetic valve 2 and a subsequent electromagnetic valve which is not opened are not opened; otherwise, it indicates that no leakage occurs in the refrigerant circuit section between the compressor exhaust port and the first electromagnetic valve 2, and then opens the first electromagnetic valve 2;
after the first electromagnetic valve 2 is opened, the pressure value measured by the pressure sensor 1 is obtained again, whether refrigerant leakage occurs or not is determined according to the change information of the pressure value measured by the pressure sensor 1, if the refrigerant leakage occurs, the refrigerant leakage occurs in the refrigerant loop section between the first electromagnetic valve 2 and the second electromagnetic valve 3, and the second electromagnetic valve 3 is not opened; otherwise, it is stated that no leakage occurs in the refrigerant circuit section between the first solenoid valve 2 and the second solenoid valve 3, that is, no refrigerant leakage occurs between the compressor discharge port and the second solenoid valve 3, and then the second solenoid valve 3 is opened;
after the second electromagnetic valve 3 is opened, the pressure value measured by the pressure sensor 1 is obtained again, whether the refrigerant leakage occurs or not is determined according to the change information of the pressure value measured by the pressure sensor 1, and if the refrigerant leakage occurs, the refrigerant leakage occurs in the refrigerant loop section between the second electromagnetic valve 3 and the suction port of the compressor; otherwise, it is stated that no refrigerant leakage occurs in the section of the refrigerant circuit between the second solenoid valve 3 and the suction port of the compressor, that is, no refrigerant leakage occurs in the entire refrigerant circuit.
When it is determined that no refrigerant leakage occurs in the entire refrigerant circuit, the compressor is normally started.
In another embodiment provided by the present application, the outdoor unit further includes a four-way reversing valve, and the discharge port of the compressor is connected to the inlet end of the outdoor heat exchanger through a first path of the four-way reversing valve; based on this, another schematic structural diagram of the detection system provided in the embodiment of the present application is shown in fig. 2, where a port a and a port b of the four-way reversing valve form a first passage, a port c and a port d of the four-way reversing valve form a second passage, and the second connecting pipe includes a first connecting branch pipe 21 and a second connecting branch pipe 22; wherein,
the input end (i.e., the port c) of the second passage of the four-way reversing valve is connected with the second stop valve through the first connecting branch pipe 21, and the output end (i.e., the port d) of the second passage of the four-way reversing valve is connected with the suction port of the compressor through the second connecting branch pipe 22.
That is to say, the detection system that this application embodiment provided is not only applicable to the air conditioner that does not use the four-way reversing valve, also is applicable to the air conditioner that uses the four-way reversing valve.
In the above embodiment, preferably, the detection system may further include at least one third electromagnetic valve, and the setting position of the third electromagnetic valve is different from the setting position of the first electromagnetic valve 2 and the setting position of the second electromagnetic valve 3.
When one third electromagnetic valve is arranged, the one third electromagnetic valve can be arranged on one side of the outdoor unit or one side of the indoor unit;
for example, the third solenoid valve may be provided on a connection pipe between the discharge port of the compressor and the intake end of the outdoor heat exchanger; or the third electromagnetic valve can be arranged on a connecting pipe between the exhaust end of the outdoor heat exchanger and the throttle valve; or the third electromagnetic valve can be arranged on a connecting pipe between the air inlet end of the indoor heat exchanger in the indoor unit and the first connecting head; or the third electromagnetic valve can be arranged on a connecting pipe between the exhaust end of the indoor heat exchanger in the indoor unit and the second connector; of course, the electromagnetic valve may be disposed at other positions as long as the position of the electromagnetic valve is different from the position of the first electromagnetic valve 2 and the position of the second electromagnetic valve 3, which is not described in detail herein.
When the number of the third electromagnetic valves is two or more, the third electromagnetic valve may be provided on the outdoor unit side, on the indoor unit side, or on both the outdoor unit side and the outdoor unit side.
For example, a third electromagnetic valve may be disposed on a connection pipe between the discharge port of the compressor and the inlet end of the outdoor heat exchanger, and another third electromagnetic valve may be disposed on a connection pipe between the inlet end of the indoor heat exchanger and the first connection head in the indoor unit; or a third electromagnetic valve is arranged on a connecting pipe between the exhaust port of the compressor and the air inlet end of the outdoor heat exchanger, and another third electromagnetic valve is arranged on a connecting pipe between the exhaust end of the indoor heat exchanger and the second connector in the indoor unit; of course, other arrangements are possible, for example, a third solenoid valve may be provided on the connection pipe between the exhaust end of the outdoor heat exchanger and the throttle valve, another third solenoid valve may be provided on the connection pipe between the intake end of the indoor heat exchanger in the indoor unit and the first connection head, and a third solenoid valve may be provided on the connection pipe between the exhaust end of the indoor heat exchanger in the indoor unit and the second connection head.
In the embodiment of the present application, three or more solenoid valves are provided, and the refrigerant circuit can be divided into more sections according to the positions of the solenoid valves, so that the refrigerant circuit can be detected in more sections, and thus the position of refrigerant leakage can be determined more accurately.
Still another schematic structural diagram of the detection system provided in the embodiment of the present application is shown in fig. 3, in the embodiment of the present application, the air conditioner further includes an indoor unit, an air inlet end of an indoor heat exchanger in the indoor unit is connected to the first connector through a fourth connecting pipe, and an air outlet end of the indoor heat exchanger in the indoor unit is connected to the second connector through a fifth connecting pipe; the system may further comprise two third solenoid valves, wherein,
a fourth solenoid valve 31 of the two third solenoid valves is disposed on the fourth connection pipe, and a fifth solenoid valve 32 of the two third solenoid valves is disposed on the fifth connection pipe;
for the sake of convenience of distinction, in the embodiment of the present application, the two third solenoid valves are respectively named as a fourth solenoid valve and a fifth solenoid valve.
The controller 4 is also electrically connected to the fourth solenoid valve 31 and the fifth solenoid valve 32.
Specifically, when detecting whether the refrigerant leaks or not, before the first electromagnetic valve 2 is opened, if the refrigerant leakage is detected, it is indicated that the refrigerant circuit section between the compressor exhaust port and the first electromagnetic valve 2 leaks, and the first electromagnetic valve 2 and the subsequent electromagnetic valves which are not opened; otherwise, the refrigerant loop section between the exhaust port of the compressor and the first electromagnetic valve 2 is not leaked, and then the first electromagnetic valve 2 is opened;
after the first electromagnetic valve 2 is opened, if refrigerant leakage is detected, the refrigerant circuit section between the first electromagnetic valve 2 and the fourth electromagnetic valve 31 is leaked, and the fourth electromagnetic valve 31 and the subsequent electromagnetic valves which are not opened; otherwise, it means that no leakage occurs in the refrigerant circuit section between the first solenoid valve 2 and the fourth solenoid valve 31, and then the fourth solenoid valve 31 is opened;
after the fourth electromagnetic valve 31 is opened, if refrigerant leakage is detected, indicating that the refrigerant loop section between the fourth electromagnetic valve 31 and the fifth electromagnetic valve 32 leaks, the fifth electromagnetic valve 32 and the subsequent electromagnetic valves which are not opened; otherwise, it means that no leakage occurs in the section of the refrigerant circuit between the fourth solenoid valve 31 and the fifth solenoid valve 32, and then the fifth solenoid valve 32 is opened;
after the fifth electromagnetic valve 32 is opened, if refrigerant leakage is detected, indicating that the refrigerant loop section between the fifth electromagnetic valve 32 and the second electromagnetic valve 3 leaks, the second electromagnetic valve 3 is not opened; otherwise, it means that no leakage occurs in the refrigerant circuit section between the fifth solenoid valve 32 and the second solenoid valve 3, and then the second solenoid valve 3 is opened;
after the second electromagnetic valve 3 is opened, if the refrigerant leakage is detected, the leakage of the refrigerant loop section between the suction port of the compressor and the second electromagnetic valve 3 is indicated; otherwise, it means that no leakage occurs in the section of the refrigerant circuit between the suction port of the compressor and the second solenoid valve 3.
Still another schematic structural diagram of the detection system provided in the embodiment of the present application is shown in fig. 4, in the embodiment of the present application, the air conditioner further includes an indoor unit, an air inlet end of an indoor heat exchanger in the indoor unit is connected to the first connector through a fourth connecting pipe, and an air outlet end of the indoor heat exchanger in the indoor unit is connected to the second connector through a fifth connecting pipe; the system may further comprise four third solenoid valves, wherein,
a fourth solenoid valve 31 of the four third solenoid valves is disposed on the fourth connection pipe, and a fifth solenoid valve 32 of the four third solenoid valves is disposed on the fifth connection pipe;
a sixth solenoid valve 41 of the four third solenoid valves is disposed on a connection pipe between the discharge port of the compressor and the intake end of the outdoor heat exchanger, and a seventh solenoid valve 42 of the four third solenoid valves is disposed on a connection pipe between the throttle valve and the discharge end of the outdoor heat exchanger;
the controller 4 is also electrically connected to the fourth solenoid valve 31, the fifth solenoid valve 32, the sixth solenoid valve 41, and the seventh solenoid valve 42.
For the sake of convenience of distinction, in the embodiment of the present application, the four third solenoid valves are named as a fourth solenoid valve, a fifth solenoid valve, a sixth solenoid valve, and a seventh solenoid valve, respectively.
Specifically, when detecting whether the refrigerant leaks, before the sixth electromagnetic valve 41 is opened, if the refrigerant leakage is detected, it indicates that the refrigerant circuit section between the compressor exhaust port and the sixth electromagnetic valve 41 leaks, and the sixth electromagnetic valve 41 and the subsequent electromagnetic valves which are not opened; otherwise, it indicates that no leakage occurs in the refrigerant circuit section between the compressor exhaust port and the sixth electromagnetic valve 41, and then the sixth electromagnetic valve 41 is opened;
after the sixth electromagnetic valve 41 is opened, if refrigerant leakage is detected, which indicates that leakage occurs in the refrigerant circuit section between the sixth electromagnetic valve 41 and the seventh electromagnetic valve 42, the seventh electromagnetic valve 42 and the subsequent electromagnetic valves which are not opened; otherwise, it means that no leakage occurs in the refrigerant circuit section between the sixth solenoid valve 41 and the seventh solenoid valve 42, and then the seventh solenoid valve 42 is opened;
after the seventh electromagnetic valve 42 is opened, if refrigerant leakage is detected, it indicates that the refrigerant circuit section between the seventh electromagnetic valve 42 and the first electromagnetic valve 2 leaks, and the first electromagnetic valve 2 and the subsequent electromagnetic valves which are not opened; otherwise, it means that no leakage occurs in the refrigerant circuit section between the seventh solenoid valve 42 and the first solenoid valve 2, and then the first solenoid valve 2 is opened;
after the first electromagnetic valve 2 is opened, if refrigerant leakage is detected, the refrigerant circuit section between the first electromagnetic valve 2 and the fourth electromagnetic valve 31 is leaked, and the fourth electromagnetic valve 31 and the subsequent electromagnetic valves which are not opened; otherwise, it means that no leakage occurs in the refrigerant circuit section between the first solenoid valve 2 and the fourth solenoid valve 31, and then the fourth solenoid valve 31 is opened;
after the fourth electromagnetic valve 31 is opened, if refrigerant leakage is detected, indicating that the refrigerant circuit section between the fourth electromagnetic valve 31 and the fifth electromagnetic valve 32 leaks, the fifth electromagnetic valve 32 and the subsequent opened electromagnetic valves are not opened; otherwise, it means that no leakage occurs in the section of the refrigerant circuit between the fourth solenoid valve 31 and the fifth solenoid valve 32, and then the fifth solenoid valve 32 is opened;
after the fifth electromagnetic valve 32 is opened, if refrigerant leakage is detected, indicating that the refrigerant loop section between the fifth electromagnetic valve 32 and the second electromagnetic valve 3 leaks, the second electromagnetic valve 3 is not opened; otherwise, it means that no leakage occurs in the refrigerant circuit section between the fifth solenoid valve 32 and the second solenoid valve 3, and then the second solenoid valve 3 is opened;
after the second electromagnetic valve 3 is opened, if the refrigerant leakage is detected, the leakage of the refrigerant loop section between the suction port of the compressor and the second electromagnetic valve 3 is indicated; otherwise, it means that no leakage occurs in the section of the refrigerant circuit between the suction port of the compressor and the second solenoid valve 3.
In the above embodiment, preferably, after the occurrence of the refrigerant leakage is detected, a corresponding protection function, such as an alarm and/or turning off the air conditioner, may be activated.
When all the electromagnetic valves are opened and it is judged that no refrigerant leakage occurs, the compressor can be normally started.
In the above embodiment, preferably, after receiving the shutdown command, the controller may further close all the solenoid valves.
The embodiment of the application also provides an air conditioner, which is provided with the detection system.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A detection system is applied to an air conditioner, the air conditioner comprises an outdoor unit, a first stop valve is arranged at the exhaust end of the outdoor unit, a throttle valve is arranged at the exhaust end of an outdoor heat exchanger in the outdoor unit, and the first stop valve and the throttle valve are connected through a first connecting pipe; the air inlet end of the outdoor unit is provided with a second stop valve, and the second stop valve is connected with an air suction port of a compressor in the outdoor unit through a second connecting pipe; characterized in that the detection system comprises:
a pressure sensor disposed on a third connection pipe of an exhaust port of the compressor;
a first solenoid valve provided on the first connection pipe;
the second electromagnetic valve is arranged on the second connecting pipe;
and the controller is electrically connected with the pressure sensor, the first electromagnetic valve and the second electromagnetic valve respectively.
2. The system of claim 1, wherein the outdoor unit further comprises a four-way reversing valve, and the discharge port of the compressor is connected to the inlet end of the outdoor heat exchanger through a first path of the four-way reversing valve;
the second connecting pipe comprises a first connecting branch pipe and a second connecting branch pipe;
the input end of a second passage of the four-way reversing valve is connected with the second stop valve through the first connecting branch pipe, and the output end of the second passage of the four-way reversing valve is connected with the air suction port of the compressor through the second connecting branch pipe.
3. The system of claim 1 or 2, further comprising:
and the setting position of the third electromagnetic valve is different from the setting positions of the first electromagnetic valve and the second electromagnetic valve.
4. The system of claim 3, wherein the air conditioner further comprises an indoor unit, an air inlet end of an indoor heat exchanger in the indoor unit is connected with the first connector through a fourth connecting pipe, and an air outlet end of the indoor heat exchanger in the indoor unit is connected with the second connector through a fifth connecting pipe; the system further comprises two third solenoid valves, wherein,
a fourth electromagnetic valve of the two third electromagnetic valves is arranged on the fourth connecting pipe, and a fifth electromagnetic valve of the two third electromagnetic valves is arranged on the fifth connecting pipe;
the controller is also electrically connected with the fourth solenoid valve and the fifth solenoid valve.
5. The system of claim 3, wherein the air conditioner further comprises an indoor unit, an air inlet end of an indoor heat exchanger in the indoor unit is connected with the first connector through a fourth connecting pipe, and an air outlet end of the indoor heat exchanger in the indoor unit is connected with the second connector through a fifth connecting pipe; the system further comprises four third solenoid valves, wherein,
a fourth electromagnetic valve of the four third electromagnetic valves is arranged on the fourth connecting pipe, and a fifth electromagnetic valve of the four third electromagnetic valves is arranged on the fifth connecting pipe;
a sixth electromagnetic valve of the four third electromagnetic valves is arranged on a connecting pipe between the exhaust port of the compressor and the air inlet end of the outdoor heat exchanger, and a seventh electromagnetic valve of the four third electromagnetic valves is arranged on a connecting pipe between the throttle valve and the exhaust end of the outdoor heat exchanger;
the controller is also electrically connected to the fourth solenoid valve, the fifth solenoid valve, the sixth solenoid valve, and the seventh solenoid valve.
6. An air conditioner characterized by comprising a detection system according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420296729.3U CN203869825U (en) | 2014-06-05 | 2014-06-05 | Detection system and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420296729.3U CN203869825U (en) | 2014-06-05 | 2014-06-05 | Detection system and air conditioner |
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| CN203869825U true CN203869825U (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420296729.3U Expired - Fee Related 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 |
|---|---|---|---|---|
| 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 | Air conditioner refrigerant leakage detection method 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 |
-
2014
- 2014-06-05 CN CN201420296729.3U patent/CN203869825U/en not_active Expired - Fee Related
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 | Air conditioner refrigerant leakage detection method 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 | Refrigeration unit for ships |
| 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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