CN104006934A - Detection system, method and device and air conditioner - Google Patents
Detection system, method and device and air conditioner Download PDFInfo
- Publication number
- CN104006934A CN104006934A CN201410247999.XA CN201410247999A CN104006934A CN 104006934 A CN104006934 A CN 104006934A CN 201410247999 A CN201410247999 A CN 201410247999A CN 104006934 A CN104006934 A CN 104006934A
- Authority
- CN
- China
- Prior art keywords
- pressure value
- preset condition
- electromagnetic valve
- valve
- meet
- 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.)
- Granted
Links
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The embodiment of the invention discloses a detection system, which comprises two electromagnetic valves arranged in a refrigerant circuit, a pressure sensor arranged at an exhaust port of a compressor and a controller electrically connected with the two electromagnetic valves and the pressure sensor, so that the controller can sequentially open each electromagnetic valve according to the refrigerant circuit in an air conditioner after receiving a starting instruction, and judge whether refrigerant leakage occurs or not according to a pressure value acquired by the pressure sensor before each electromagnetic valve is opened, thereby judging whether refrigerant leakage occurs in a refrigerant circuit section before the electromagnetic valve which is closest to the exhaust port of the compressor and is not opened in the refrigerant circuit, realizing the purpose of detecting whether refrigerant leakage occurs or not in a segmented manner, and determining the position range of the refrigerant leakage. The application also provides a detection method and device and an air conditioner.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a detection system, a detection method, a detection device and an 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.
Disclosure of Invention
The invention aims to provide a detection system for detecting the position of refrigerant leakage.
In order to achieve the purpose, the invention provides the 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.
A detection method based on the detection system as described in any one of the above, the method comprising:
acquiring a pressure value acquired by the pressure sensor;
judging whether the acquired pressure value meets a first preset condition or not; if so, determining that a refrigerant leakage occurs;
otherwise, opening an unopened electromagnetic valve which is closest to the exhaust port of the compressor in a refrigerant loop of the air conditioner, and executing the step of acquiring the pressure value acquired by the pressure sensor.
In the above method, preferably, the acquiring the pressure value acquired by the pressure sensor includes: acquiring a plurality of pressure values acquired by the pressure sensor within a first preset time period according to a preset acquisition frequency;
the judging whether the acquired pressure value meets a first preset condition comprises:
judging whether two adjacent pressure values in the plurality of pressure values acquired within the first preset time meet a first sub-preset condition or not;
judging whether the last pressure value and the first pressure value obtained within the first preset time length meet a second sub-preset condition or not;
when the two adjacent pressure values meet a first sub-preset condition, and/or the last pressure value and the first pressure value meet a second sub-preset condition, determining that the obtained pressure values meet the first preset condition; otherwise, determining that the acquired pressure value does not meet the first preset condition.
In the above method, preferably, when the one unopened electromagnetic valve closest to the exhaust port of the compressor is the electromagnetic valve closest to the exhaust port of the compressor, the determining whether the obtained pressure value satisfies a first preset condition includes:
judging whether two adjacent pressure values in the plurality of pressure values acquired within the first preset time meet a first sub-preset condition or not;
judging whether the last pressure value and the first pressure value obtained within the first preset time length meet a second sub-preset condition or not;
judging whether a first pressure value obtained within the first preset time meets a third sub-preset condition or not;
when the two adjacent pressure values meet a first sub-preset condition, and/or the last pressure value and the first pressure value meet a second sub-preset condition, and/or the first pressure value meets a third sub-preset condition, determining that the obtained pressure value meets the first preset condition; otherwise, determining that the acquired pressure value does not meet the first preset condition.
The above method, preferably, further comprises:
after a shutdown instruction is received, waiting for a second preset time length; when the waiting time reaches the second preset time, judging whether the obtained pressure value meets a second preset condition;
if so, the respective solenoid valves are closed.
A detection apparatus based on the detection system as described in any one of the above, the apparatus comprising:
the acquisition module is used for acquiring the pressure value acquired by the pressure sensor;
the first detection module is used for judging whether the pressure value acquired by the acquisition module meets a first preset condition or not, and if so, determining that the refrigerant leakage occurs;
and the first control module is used for opening an unopened electromagnetic valve which is closest to an exhaust port of the compressor in a refrigerant loop in the air conditioner when the first detection module judges that the pressure value acquired by the acquisition module does not meet a first preset condition, and triggering the acquisition module to execute the step of acquiring the pressure value acquired by the pressure sensor.
Preferably, the obtaining module is specifically configured to obtain, according to a preset obtaining frequency, a plurality of pressure values collected by the pressure sensor within a first preset time period;
the first detection module includes:
the first judging unit is used for judging whether two adjacent pressure values in the plurality of pressure values acquired by the acquiring module in the first preset time meet a first sub-preset condition or not;
the second judging unit is used for judging whether the last pressure value and the first pressure value acquired by the acquiring module in the first preset time length meet a second sub-preset condition or not;
the first determining unit is used for determining that the acquired pressure value meets a first preset condition when the two adjacent pressure values meet a first sub-preset condition and/or the last pressure value and the first pressure value meet a second sub-preset condition; otherwise, determining that the obtained pressure value does not meet a first preset condition;
and the second determining unit is used for determining that the refrigerant leakage occurs in the refrigerant loop section between the unopened electromagnetic valve closest to the exhaust port of the compressor and the exhaust port of the compressor when the first determining unit determines that the acquired pressure value meets the first preset condition.
In the above apparatus, preferably, when the solenoid valve that is closest to the discharge port of the compressor and is not opened is the solenoid valve that is closest to the discharge port of the compressor, the first detection module further includes:
the third judging unit is used for judging whether the first pressure value acquired by the acquiring module in the first preset time meets a third sub-preset condition or not;
the first determining unit is specifically configured to determine that the obtained pressure value meets a first preset condition when the two adjacent pressure values meet a first preset sub-condition, and/or the last pressure value and the first pressure value meet a second preset sub-condition, and/or the first pressure value meets a third preset sub-condition; otherwise, determining that the acquired pressure value does not meet the first preset condition.
The above apparatus, preferably, further comprises:
the second detection module is used for waiting for a second preset time length after receiving the shutdown instruction; when the waiting time reaches the second preset time, judging whether the obtained pressure value meets a second preset condition;
and the second control module is used for closing each electromagnetic valve when the second detection module judges that the acquired pressure value meets a second preset condition.
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 the 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 a detection system according to an embodiment of the present disclosure;
FIG. 5 is a flowchart of an implementation of a detection method provided in the embodiments of the present application;
fig. 6 is a schematic structural diagram of a detection apparatus according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of a first detection module according to an embodiment of the present disclosure;
fig. 8 is another schematic structural diagram of a first detection module according to an embodiment of the present disclosure;
fig. 9 is a schematic structural diagram of another detection apparatus 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 clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 refrigerates normally, the first electromagnetic valve 2 and the second electromagnetic valve 3 are both opened, and the refrigerant loop in the air conditioner is as follows: 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 detection system provided by the embodiment of the application, the controller 4 can sequentially open each electromagnetic valve according to the refrigerant circuit in the air conditioner after receiving the starting instruction, and judge whether refrigerant leakage occurs 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 before the electromagnetic valve is not opened, which is closest to the exhaust port of the compressor, in the refrigerant circuit can be judged, the purpose of detecting whether refrigerant leakage occurs in a segmented manner is achieved, and the position range where the refrigerant leakage occurs is determined.
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.
The embodiment of the application also provides an air conditioner, which is provided with the detection system.
An embodiment of the present application further provides a detection method, where the detection method is based on the detection system described in any of the above embodiments, and the detection method may be applied to a controller in the detection system described above, and an implementation flowchart of the detection method provided in the embodiment of the present application is shown in fig. 5, and may include:
step S51: acquiring a pressure value acquired by the pressure sensor;
step S52: judging whether the acquired pressure value meets a first preset condition or not;
if so, determining that a refrigerant leakage occurs;
in the embodiment of the application, if the acquired pressure value is judged to meet the first preset condition, the refrigerant leakage occurs in a refrigerant loop section between a compressor exhaust port and an unopened electromagnetic valve closest to the compressor exhaust port in the refrigerant loop; otherwise, it indicates that no refrigerant leakage occurs in the section of the refrigerant circuit between the compressor discharge port and the one solenoid valve not opened closest to the compressor discharge port.
Step S53: and when the acquired pressure value does not meet a first preset condition, opening an unopened electromagnetic valve which is closest to an exhaust port of the compressor in a refrigerant circuit of the air conditioner, and executing the step of acquiring the pressure value acquired by the pressure sensor.
When it is determined that no refrigerant leakage occurs in the section of the refrigerant circuit from the discharge port of the compressor to an unopened solenoid valve located closest to the discharge port of the compressor, the unopened solenoid valve located closest to the discharge port of the compressor is opened, and then the process returns to perform step S51.
The detection method provided by the embodiment of the application is based on a detection system, wherein the detection system comprises two electromagnetic valves arranged in a refrigerant loop, a pressure sensor arranged at an exhaust port of a compressor, and a controller electrically connected with the two electromagnetic valves and the pressure sensor; judging whether the acquired pressure value meets a first preset condition or not, and if so, determining that the refrigerant leakage occurs; otherwise, opening an unopened electromagnetic valve closest to the exhaust port of the compressor in the refrigerant circuit of the air conditioner, and executing the step of acquiring the pressure value acquired by the pressure sensor, so that the electromagnetic valves are sequentially opened according to the refrigerant circuit in the air conditioner, and whether refrigerant leakage occurs or not is judged according to the pressure value acquired by the pressure sensor before each electromagnetic valve is opened, thereby judging whether refrigerant leakage occurs in the refrigerant circuit section before the unopened electromagnetic valve closest to the exhaust port of the compressor in the refrigerant circuit, realizing the purpose of detecting whether refrigerant leakage occurs or not in a segmented manner, and determining the position range of the refrigerant leakage.
In the foregoing embodiment, preferably, the acquiring the pressure value collected by the pressure sensor may include: acquiring a plurality of pressure values acquired by the pressure sensor within a first preset time period according to a preset acquisition frequency;
the first preset time length can be determined according to the preset acquisition frequency and the number of pressure values required to be acquired in the first preset time length, namely the first preset time length is the product of the preset acquisition frequency and the number of the pressure values required to be acquired.
Preferably, the preset acquisition frequency can be 1-10 s/time, and at least 5 pressure values can be acquired; the first preset time period may be between 15s and 90s, as long as at least 5 pressure values can be obtained within the first preset time period.
Correspondingly, the judging whether the acquired pressure value meets the first preset condition may include:
judging whether two adjacent pressure values in the plurality of pressure values acquired within the first preset time meet a first sub-preset condition or not;
assuming that a certain arbitrary pressure value detected within the first preset time period is Px, and a previous pressure value before Px is Px-1, specifically, the determining whether the two adjacent pressure values satisfy the first sub-preset condition may be:
judging whether the continuous m seconds meet the condition that Px is less than Px-1, if so, indicating that two adjacent pressure values meet a first sub-preset condition; otherwise, the two adjacent pressure values do not meet the first sub-preset condition. Wherein, the value of m can be any integer value between 15 and 60.
Judging whether the last pressure value and the first pressure value obtained within the first preset time length meet a second sub-preset condition or not;
specifically, if the difference value between the first pressure value and the last pressure value is greater than a first preset threshold, it is determined that the last pressure value and the first pressure value acquired by the acquisition module within the first preset time period satisfy a second sub-preset condition; otherwise, determining that the last pressure value and the first pressure value acquired by the acquisition module within the first preset time do not satisfy the second sub-preset condition.
When the two adjacent pressure values meet a first sub-preset condition, and/or the last pressure value and the first pressure value meet a second sub-preset condition, determining that the obtained pressure values meet the first preset condition; otherwise, determining that the acquired pressure value does not meet the first preset condition. That is to say, the two sub-preset conditions may determine that the obtained pressure value satisfies the first preset condition as long as one sub-preset condition is satisfied.
In the foregoing embodiment, preferably, when the one unopened electromagnetic valve closest to the exhaust port of the compressor is the electromagnetic valve closest to the exhaust port of the compressor, the determining whether the obtained pressure value satisfies the first preset condition includes:
judging whether two adjacent pressure values in the plurality of pressure values acquired within the first preset time meet a first sub-preset condition or not;
judging whether the last pressure value and the first pressure value obtained within the first preset time length meet a second sub-preset condition or not;
judging whether a first pressure value obtained within the first preset time meets a third sub-preset condition or not;
specifically, if the first pressure value is smaller than a second preset threshold, it may be determined that the first pressure value obtained within the first preset time period satisfies a third sub-preset condition; otherwise, it may be determined that the first pressure value obtained within the first preset time period does not satisfy the third sub-preset condition.
When the two adjacent pressure values meet a first sub-preset condition, and/or the last pressure value and the first pressure value meet a second sub-preset condition, and/or the first pressure value meets a third sub-preset condition, determining that the obtained pressure value meets the first preset condition; otherwise, determining that the acquired pressure value does not meet the first preset condition. That is to say, as long as one of the three preset sub-conditions is satisfied, it can be determined that the obtained pressure value satisfies the first preset condition.
The method provided by the embodiment of the application can be started when the air conditioner is started.
In the above embodiment, preferably, the method may further include:
after a shutdown instruction is received, waiting for a second preset time length; when the waiting time reaches the second preset time, judging whether the obtained pressure value meets a second preset condition;
if yes, each electromagnetic valve is closed, so that whether refrigerant leakage occurs or not can be detected in a segmented mode when the machine is started next time.
After receiving a shutdown instruction, stopping the compressor; in the embodiment of the application, after the shutdown instruction is received, the compressor stops running and waits for a second preset time (namely, the timing is started after the shutdown instruction is received), wherein the preset time can be between 30s and 180 s; when waiting for the duration to reach the second is predetermine the duration, acquire the pressure value that pressure sensor gathered once more, judge whether the pressure value that acquires satisfies the second and predetermine the condition, it is concrete, whether the pressure value that judges to acquire satisfies the second and predetermine the condition and can include:
acquiring a plurality of pressure values acquired by the pressure sensor within a third preset time length according to a preset acquisition frequency;
in this embodiment of the application, the third preset time period may be 30s to 150 s.
Judging whether the continuous k seconds all meet the condition that Px is equal to Px-1, if so, indicating whether the obtained pressure value meets a second preset condition; otherwise, the acquired pressure value is not satisfied with the second preset condition. The value of k can be any integer value between 10 and 30;
if the obtained pressure value does not meet the second preset condition, a plurality of pressure values collected by the pressure sensor within a third preset time period can be obtained again.
Corresponding to the method embodiment, the method of the embodiment of the application acquires the pressure value acquired by the pressure sensor and executes the step of judging whether the acquired pressure value meets the second preset condition.
Corresponding to the method embodiment, an embodiment of the present application further provides a detection apparatus, where the detection apparatus provided in the embodiment of the present application is also based on the detection system, and the detection apparatus provided in the embodiment of the present application may be applied to a controller of the detection system, and a schematic structural diagram of the detection apparatus provided in the embodiment of the present application is shown in fig. 6, and may include:
an acquisition module 61, a first detection module 62 and a first control module 63; wherein,
the obtaining module 61 is configured to obtain a pressure value collected by the pressure sensor;
the first detection module 62 is configured to determine whether the pressure value obtained by the obtaining module meets a first preset condition, and if yes, determine that refrigerant leakage occurs;
the first control module 63 is configured to, when the first detection module determines that the pressure value acquired by the acquisition module does not satisfy the first preset condition, open an unopened electromagnetic valve in a refrigerant circuit of the air conditioner, the electromagnetic valve being closest to an exhaust port of the compressor and not being opened, and trigger the acquisition module 61 to perform a step of acquiring the pressure value acquired by the pressure sensor.
The detection device provided by the embodiment of the application is based on a detection system, and the detection system comprises two electromagnetic valves arranged in a refrigerant loop, a pressure sensor arranged at an exhaust port of a compressor, and a controller electrically connected with the two electromagnetic valves and the pressure sensor; judging whether the acquired pressure value meets a first preset condition or not, and if so, determining that the refrigerant leakage occurs; otherwise, opening an unopened electromagnetic valve closest to the exhaust port of the compressor in the refrigerant circuit of the air conditioner, and executing the step of acquiring the pressure value acquired by the pressure sensor, so that the electromagnetic valves are sequentially opened according to the refrigerant circuit in the air conditioner, and whether refrigerant leakage occurs or not is judged according to the pressure value acquired by the pressure sensor before each electromagnetic valve is opened, thereby judging whether refrigerant leakage occurs in the refrigerant circuit section before the unopened electromagnetic valve closest to the exhaust port of the compressor in the refrigerant circuit, realizing the purpose of detecting whether refrigerant leakage occurs or not in a segmented manner, and determining the position range of the refrigerant leakage.
In the above embodiment, the obtaining module 61 may obtain a plurality of pressure values collected by the pressure sensor within a first preset time period according to a preset obtaining frequency;
accordingly, an exemplary structure of the first detecting module 62 provided in the embodiment of the present application is shown in fig. 7, and may include:
a first judging unit 71, a second judging unit 72, a first determining unit 73, and a second determining unit 74; wherein,
the first judging unit 71 is configured to judge whether two adjacent pressure values of the plurality of pressure values obtained by the obtaining module 61 in the first preset time period satisfy a first sub-preset condition;
the second judging unit 72 is configured to judge whether the last pressure value and the first pressure value obtained by the obtaining module 61 within the first preset time period satisfy a second sub-preset condition;
the first determining unit 73 is configured to determine that the obtained pressure value meets a first preset condition when the two adjacent pressure values meet a first sub-preset condition, and/or when the last pressure value and the first pressure value meet a second sub-preset condition; otherwise, determining that the obtained pressure value does not meet a first preset condition;
the second determining unit 74 is configured to determine that refrigerant leakage occurs in the refrigerant circuit section between the one unopened electromagnetic valve closest to the discharge port of the compressor and the discharge port of the compressor when the first determining unit determines that the acquired pressure value satisfies the first preset condition.
When the solenoid valve that is closest to the discharge port of the compressor and is not opened is the solenoid valve that is closest to the discharge port of the compressor, another schematic structural diagram of the first detection module 62 provided in the embodiment of the present application is shown in fig. 8, and may further include:
a third determining unit 81, configured to determine whether the first pressure value obtained by the obtaining module 61 within the first preset time period meets a third sub-preset condition;
the first determining unit 73 is specifically configured to determine that the obtained pressure value meets a first preset condition when the two adjacent pressure values meet a first preset sub-condition, and/or the last pressure value and the first pressure value meet a second preset sub-condition, and/or the first pressure value meets a third preset sub-condition; otherwise, determining that the acquired pressure value does not meet the first preset condition.
Another schematic structural diagram of the detection apparatus provided in the embodiment of the present application is shown in fig. 9, and may further include:
the second detection module 91 is configured to wait for a second preset duration after receiving the shutdown instruction; when the waiting time reaches the second preset time, judging whether the obtained pressure value meets a second preset condition;
and the second control module 92 is configured to close each electromagnetic valve when the second detection module determines that the obtained pressure value meets a second preset condition.
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 (14)
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.
7. A detection method based on the detection system according to any one of claims 1-5, characterized in that the method comprises:
acquiring a pressure value acquired by the pressure sensor;
judging whether the acquired pressure value meets a first preset condition or not; if so, determining that a refrigerant leakage occurs;
otherwise, opening an unopened electromagnetic valve which is closest to the exhaust port of the compressor in a refrigerant loop of the air conditioner, and executing the step of acquiring the pressure value acquired by the pressure sensor.
8. The method of claim 7, wherein said obtaining pressure values collected by said pressure sensor comprises: acquiring a plurality of pressure values acquired by the pressure sensor within a first preset time period according to a preset acquisition frequency;
the judging whether the acquired pressure value meets a first preset condition comprises:
judging whether two adjacent pressure values in the plurality of pressure values acquired within the first preset time meet a first sub-preset condition or not;
judging whether the last pressure value and the first pressure value obtained within the first preset time length meet a second sub-preset condition or not;
when the two adjacent pressure values meet a first sub-preset condition, and/or the last pressure value and the first pressure value meet a second sub-preset condition, determining that the obtained pressure values meet the first preset condition; otherwise, determining that the acquired pressure value does not meet the first preset condition.
9. The method of claim 8, wherein when the one unopened solenoid valve closest to the discharge port of the compressor is the solenoid valve closest to the discharge port of the compressor, the determining whether the obtained pressure value satisfies a first preset condition comprises:
judging whether two adjacent pressure values in the plurality of pressure values acquired within the first preset time meet a first sub-preset condition or not;
judging whether the last pressure value and the first pressure value obtained within the first preset time length meet a second sub-preset condition or not;
judging whether a first pressure value obtained within the first preset time meets a third sub-preset condition or not;
when the two adjacent pressure values meet a first sub-preset condition, and/or the last pressure value and the first pressure value meet a second sub-preset condition, and/or the first pressure value meets a third sub-preset condition, determining that the obtained pressure value meets the first preset condition; otherwise, determining that the acquired pressure value does not meet the first preset condition.
10. The method of claim 7, further comprising:
after a shutdown instruction is received, waiting for a second preset time length; when the waiting time reaches the second preset time, judging whether the obtained pressure value meets a second preset condition;
if so, the respective solenoid valves are closed.
11. A detection device based on the detection system according to any one of claims 1-5, characterized in that the device comprises:
the acquisition module is used for acquiring the pressure value acquired by the pressure sensor;
the first detection module is used for judging whether the pressure value acquired by the acquisition module meets a first preset condition or not, and if so, determining that the refrigerant leakage occurs;
and the first control module is used for opening an unopened electromagnetic valve which is closest to an exhaust port of the compressor in a refrigerant loop in the air conditioner when the first detection module judges that the pressure value acquired by the acquisition module does not meet a first preset condition, and triggering the acquisition module to execute the step of acquiring the pressure value acquired by the pressure sensor.
12. The device according to claim 11, wherein the obtaining module is specifically configured to obtain, according to a preset obtaining frequency, a plurality of pressure values collected by the pressure sensor within a first preset time period;
the first detection module includes:
the first judging unit is used for judging whether two adjacent pressure values in the plurality of pressure values acquired by the acquiring module in the first preset time meet a first sub-preset condition or not;
the second judging unit is used for judging whether the last pressure value and the first pressure value acquired by the acquiring module in the first preset time length meet a second sub-preset condition or not;
the first determining unit is used for determining that the acquired pressure value meets a first preset condition when the two adjacent pressure values meet a first sub-preset condition and/or the last pressure value and the first pressure value meet a second sub-preset condition; otherwise, determining that the obtained pressure value does not meet a first preset condition;
and the second determining unit is used for determining that the refrigerant leakage occurs in the refrigerant loop section between the unopened electromagnetic valve closest to the exhaust port of the compressor and the exhaust port of the compressor when the first determining unit determines that the acquired pressure value meets the first preset condition.
13. The apparatus of claim 12, wherein when the one unopened solenoid valve closest to the discharge port of the compressor is the solenoid valve closest to the discharge port of the compressor, the first detecting module further comprises:
the third judging unit is used for judging whether the first pressure value acquired by the acquiring module in the first preset time meets a third sub-preset condition or not;
the first determining unit is specifically configured to determine that the obtained pressure value meets a first preset condition when the two adjacent pressure values meet a first preset sub-condition, and/or the last pressure value and the first pressure value meet a second preset sub-condition, and/or the first pressure value meets a third preset sub-condition; otherwise, determining that the acquired pressure value does not meet the first preset condition.
14. The apparatus of claim 11, further comprising:
the second detection module is used for waiting for a second preset time length after receiving the shutdown instruction; when the waiting time reaches the second preset time, judging whether the obtained pressure value meets a second preset condition;
and the second control module is used for closing each electromagnetic valve when the second detection module judges that the acquired pressure value meets a second preset condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410247999.XA CN104006934B (en) | 2014-06-05 | 2014-06-05 | Detection system, method and device and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410247999.XA CN104006934B (en) | 2014-06-05 | 2014-06-05 | Detection system, method and device and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104006934A true CN104006934A (en) | 2014-08-27 |
| CN104006934B CN104006934B (en) | 2017-02-15 |
Family
ID=51367693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410247999.XA Active CN104006934B (en) | 2014-06-05 | 2014-06-05 | Detection system, method and device and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104006934B (en) |
Cited By (12)
| 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 |
| CN105003975A (en) * | 2015-09-02 | 2015-10-28 | 广东美的制冷设备有限公司 | Split floor type air conditioner |
| CN105004492A (en) * | 2015-07-16 | 2015-10-28 | 珠海格力电器股份有限公司 | Method and device for detecting leakage of refrigerant of air conditioning unit |
| CN105042700A (en) * | 2015-09-02 | 2015-11-11 | 广东美的制冷设备有限公司 | Split floor type air conditioner and control method and control device thereof |
| CN105465961A (en) * | 2015-12-25 | 2016-04-06 | 西安交通大学 | Air conditioner capable of controlling transfer of refrigerant and control method of air conditioner |
| CN106556560A (en) * | 2017-01-16 | 2017-04-05 | 中国科学院武汉岩土力学研究所 | True triaxial charger and assay device |
| CN106768724A (en) * | 2017-04-05 | 2017-05-31 | 徐州徐工筑路机械有限公司 | Pitch sprinkling car thermal conductive oil pipeline seepage device for fast detecting and method |
| CN107389365A (en) * | 2017-06-13 | 2017-11-24 | 珠海格力智能装备有限公司 | Entropy detection equipment for air conditioner outdoor unit |
| CN107709902A (en) * | 2015-06-26 | 2018-02-16 | 大金工业株式会社 | Air-conditioning system |
| CN109406068A (en) * | 2018-12-11 | 2019-03-01 | 上海松芝酷能汽车技术有限公司 | Vehicle air-conditioner evaporator core detection device and detection method |
| CN110325802A (en) * | 2017-03-01 | 2019-10-11 | 三菱电机株式会社 | Refrigerating circulatory device |
| CN111397087A (en) * | 2020-03-25 | 2020-07-10 | 美的集团股份有限公司 | Control method and device of air conditioner, electronic equipment and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1455186A (en) * | 2002-05-01 | 2003-11-12 | 三星电子株式会社 | Air conditioner and method for detecting refrigrant leakage |
| JP2012047447A (en) * | 2008-09-30 | 2012-03-08 | Daikin Industries Ltd | Leakage diagnosing device |
| CN202281341U (en) * | 2011-10-11 | 2012-06-20 | 三一重工股份有限公司 | Dynamic pressure monitoring device of air conditioner system |
| CN103134245A (en) * | 2011-11-21 | 2013-06-05 | 财团法人工业技术研究院 | Simple piping device, air conditioning equipment with same and refrigerant leakage detection method of air conditioning equipment |
| CN103293010A (en) * | 2012-02-27 | 2013-09-11 | 珠海格力电器股份有限公司 | Air conditioner refrigerant detection method, device and system |
-
2014
- 2014-06-05 CN CN201410247999.XA patent/CN104006934B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1455186A (en) * | 2002-05-01 | 2003-11-12 | 三星电子株式会社 | Air conditioner and method for detecting refrigrant leakage |
| JP2012047447A (en) * | 2008-09-30 | 2012-03-08 | Daikin Industries Ltd | Leakage diagnosing device |
| CN202281341U (en) * | 2011-10-11 | 2012-06-20 | 三一重工股份有限公司 | Dynamic pressure monitoring device of air conditioner system |
| CN103134245A (en) * | 2011-11-21 | 2013-06-05 | 财团法人工业技术研究院 | Simple piping device, air conditioning equipment with same and refrigerant leakage detection method of air conditioning equipment |
| CN103293010A (en) * | 2012-02-27 | 2013-09-11 | 珠海格力电器股份有限公司 | Air conditioner refrigerant detection method, device and system |
Cited By (16)
| 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 |
| CN107709902A (en) * | 2015-06-26 | 2018-02-16 | 大金工业株式会社 | Air-conditioning system |
| CN107709902B (en) * | 2015-06-26 | 2020-04-10 | 大金工业株式会社 | Air conditioning system |
| CN105004492A (en) * | 2015-07-16 | 2015-10-28 | 珠海格力电器股份有限公司 | Method and device for detecting leakage of refrigerant of air conditioning unit |
| CN105003975A (en) * | 2015-09-02 | 2015-10-28 | 广东美的制冷设备有限公司 | Split floor type air conditioner |
| CN105042700A (en) * | 2015-09-02 | 2015-11-11 | 广东美的制冷设备有限公司 | Split floor type air conditioner and control method and control device thereof |
| CN105003975B (en) * | 2015-09-02 | 2018-03-27 | 广东美的制冷设备有限公司 | Split-floor type air conditioner |
| CN105465961A (en) * | 2015-12-25 | 2016-04-06 | 西安交通大学 | Air conditioner capable of controlling transfer of refrigerant and control method of air conditioner |
| CN105465961B (en) * | 2015-12-25 | 2018-04-17 | 西安交通大学 | There is the air conditioner and control method that control refrigerant migration |
| CN106556560A (en) * | 2017-01-16 | 2017-04-05 | 中国科学院武汉岩土力学研究所 | True triaxial charger and assay device |
| CN110325802A (en) * | 2017-03-01 | 2019-10-11 | 三菱电机株式会社 | Refrigerating circulatory device |
| CN106768724A (en) * | 2017-04-05 | 2017-05-31 | 徐州徐工筑路机械有限公司 | Pitch sprinkling car thermal conductive oil pipeline seepage device for fast detecting and method |
| CN106768724B (en) * | 2017-04-05 | 2023-08-25 | 徐州徐工筑路机械有限公司 | Device and method for rapidly detecting leakage of heat conduction oil pipeline of asphalt distribution truck |
| CN107389365A (en) * | 2017-06-13 | 2017-11-24 | 珠海格力智能装备有限公司 | Entropy detection equipment for air conditioner outdoor unit |
| CN109406068A (en) * | 2018-12-11 | 2019-03-01 | 上海松芝酷能汽车技术有限公司 | Vehicle air-conditioner evaporator core detection device and detection method |
| CN111397087A (en) * | 2020-03-25 | 2020-07-10 | 美的集团股份有限公司 | Control method and device of air conditioner, electronic equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104006934B (en) | 2017-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104006934B (en) | Detection system, method and device and air conditioner | |
| CN103293010B (en) | Air conditioner refrigerant detection method, device and system | |
| CN203869825U (en) | Detection system and air conditioner | |
| CN101929719B (en) | Method for protecting compressor during fluorine lack of inverter air conditioner | |
| CN101571327B (en) | Control method of multi-connected heat pump air-conditioning unit parallelly connected by outdoor units | |
| CN105588285A (en) | Air conditioner based on pipeline blocking self-diagnosis method | |
| CN203719246U (en) | Processing system for compressor oil return pipeline fault of air conditioning system | |
| CN104729151B (en) | Method and system for processing fault of compressor oil return pipeline of air conditioning system | |
| CN109506319A (en) | heating machine and automatic anti-freezing control method thereof | |
| CN103940052A (en) | Air conditioner and fault detection method thereof | |
| CN104848479B (en) | Air conditioner and its refrigerant pipeline pressure monitor and system control method and device | |
| CN104729138B (en) | Air conditioner and capacity change judgment method thereof | |
| CN103968494A (en) | Control method of air conditioning system and air conditioning system | |
| CN105546752B (en) | Air-conditioner control method and device | |
| CN107436016A (en) | Detection method, the system of air conditioner and wherein coolant leakage | |
| CN103575514A (en) | Air conditioner and detection method and device thereof | |
| CN105783357A (en) | Water chiller and freezing prevention method and device thereof | |
| CN105299836A (en) | Control method for multi-split air conditioning system | |
| CN109282424A (en) | Air-conditioner control method, air conditioner controlling device | |
| CN105757884A (en) | Control method of air conditioner | |
| CN105333660A (en) | Method for protecting compressor of multi-split air conditioning system | |
| CN107606821A (en) | Compressor of air conditioner oil return system and its return line jam judging method | |
| CN103969280A (en) | Method for detecting refrigerant abnormity and air conditioner | |
| CN110375466A (en) | The detection device and method of leakage of refrigerant for air source heat pump system | |
| CN105890112B (en) | Temperature sensor drift detection method, processor and air-conditioning in outdoor unit heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |