CN111412134A - Detection system, detection method and compressor - Google Patents
Detection system, detection method and compressor Download PDFInfo
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- CN111412134A CN111412134A CN201910012380.3A CN201910012380A CN111412134A CN 111412134 A CN111412134 A CN 111412134A CN 201910012380 A CN201910012380 A CN 201910012380A CN 111412134 A CN111412134 A CN 111412134A
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- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 230000002159 abnormal effect Effects 0.000 claims abstract description 51
- 238000005057 refrigeration Methods 0.000 claims abstract description 37
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
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- Air Conditioning Control Device (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides a detection system, a detection method and a compressor, wherein the detection system comprises: a controller; a sensor for detecting a specific performance parameter of the refrigeration device and/or the compressor; a timer for accumulating a duration of the particular performance parameter; a storage unit for storing preset performance parameters and preset time; and an alarm for outputting an alarm prompt; the sensor, the timer, the storage unit and the alarm are in data communication with the controller respectively; the controller acquires and compares the specific performance parameter with the preset performance parameter and the duration time with the preset time, and judges whether the compressor is in an abnormal working state; if the compressor is in an abnormal working state, the controller controls the alarm to output the alarm prompt; wherein the sensor comprises a sound sensor, a temperature sensor or a power sensor.
Description
Technical Field
The present invention relates to a detection system and a detection method, and more particularly, to a detection system and a detection method for a compressor of a refrigeration apparatus.
Background
Refrigerators and refrigerated cabinets are used as common household or commercial refrigeration devices for storing and keeping food fresh, providing great convenience for the life of consumers.
The compressor is used as a part of the refrigeration components of the refrigerator and the refrigerated cabinet, and the abnormal working state of the compressor is usually discovered by a user or a maintenance person after the refrigerator and the refrigerated cabinet continuously work until a fault occurs. At this time, it is often necessary for maintenance personnel to first replace the compressor to maintain the normal operation of the refrigerator and freezer. In addition, after the abnormal compressor is disassembled and analyzed, the problems of burning of a motor of the compressor and abnormal noise are mainly concentrated on the abnormal compressor.
However, no effective detection system and method are disclosed in the prior art, which can prevent the refrigerator and the freezer from major operation failure by timely notifying and reminding the user at the beginning of the abnormal operation of the compressor.
In view of the above problems, it is an object of the present invention to provide an effective detection system and detection method.
Disclosure of Invention
The invention aims to provide a detection system, a detection method and a compressor, which are used for monitoring the compressor in a refrigerating device in real time and informing a user whether the compressor is in an abnormal working state in time, so that the damage to the refrigerating device caused by the long-time abnormal working of the compressor is avoided, and the service life is prolonged.
The invention provides a detection system, suitable for detecting the compressor of the refrigerating plant, this detection system includes: a controller; a sensor for detecting a specific performance parameter of the refrigeration device and/or the compressor; a timer for accumulating a duration of the particular performance parameter; a storage unit for storing preset performance parameters and preset time; and an alarm for outputting an alarm prompt; the sensor, the timer, the storage unit and the alarm are in data communication with the controller respectively; the controller acquires and compares the specific performance parameter with the preset performance parameter and the duration time with the preset time, and judges whether the compressor is in an abnormal working state; if the compressor is in an abnormal working state, the controller controls the alarm to output the alarm prompt; wherein the sensor comprises a sound sensor, a temperature sensor or a power sensor.
As an optional technical solution, the sensor is the sound sensor, and the sound sensor is disposed above the compressor or on a shell of the compressor and is used for detecting an actual noise value generated by the operation of the compressor; defining the specific performance parameter as the actual noise value, the duration as a first duration, the preset performance parameter as a preset noise value, and the preset time as a first preset time; acquiring and comparing the actual noise value with the preset noise value, the first duration and the first preset time; when the actual noise value is larger than the preset noise value and the first duration is larger than the first preset time, the controller judges that the compressor is in an abnormal working state at the moment, and then outputs a control signal to the alarm, and the alarm outputs an alarm prompt according to the control signal.
As an optional technical solution, the sensor is the temperature sensor, and the temperature sensor includes a first temperature sensor, which is disposed on the shell of the compressor and is used for detecting the shell temperature of the compressor; defining the specific performance parameter as the shell temperature, the duration as a second duration, the preset performance parameter as a first preset temperature, and the preset time as a second preset time; acquiring and comparing the shell temperature with the first preset temperature and the second duration with the second preset time; when the shell temperature is higher than the first preset temperature and the second duration is longer than the second preset time, the controller judges that the compressor is in an abnormal working state at the moment, and then outputs a control signal to the alarm, and the alarm outputs an alarm prompt according to the control signal.
As an optional technical solution, the first preset temperature is 90 ℃.
As an optional technical solution, the sensor is the temperature sensor, the temperature sensor includes a first temperature sensor and a second temperature sensor, the first temperature sensor is disposed on the shell of the compressor and is used for detecting the shell temperature of the compressor, and the second temperature sensor is disposed outside the refrigeration apparatus and is used for detecting the ambient temperature of the external environment where the refrigeration apparatus is located; wherein, the first temperature sensor and the second temperature sensor calculate the temperature difference between the shell temperature and the environment temperature; defining the specific performance parameter as the temperature difference, the duration as a third duration, the preset performance parameter as a preset temperature difference, and the preset time as a third preset time; acquiring and comparing the temperature difference with the preset temperature difference, the third duration and the third preset time; when the temperature difference is larger than the preset temperature difference and the third duration is larger than the third preset time, the controller judges that the compressor is in an abnormal working state at the moment, and then outputs a control signal to the alarm, and the alarm outputs an alarm prompt according to the control signal.
As an optional technical solution, the preset temperature difference is 70 ℃.
As an optional technical solution, the sensor is the power sensor, and the power sensor is disposed inside the compressor and is used for detecting the operating power of the compressor; defining the specific performance parameter as the running power, the duration as a fourth duration, the preset performance parameter as a preset power, and the preset time as a fourth preset time; acquiring and comparing the running power with the preset power and the fourth duration with the fourth preset time; when the running power is larger than the preset power and the fourth duration is larger than the fourth preset time, the controller judges that the compressor is in an abnormal working state at the moment, and then outputs a control signal to the alarm, and the alarm outputs an alarm prompt according to the control signal.
The invention also provides a detection method for detecting a compressor of a refrigeration device, which comprises the following steps:
103, acquiring the specific performance parameter and the duration, comparing the characteristic performance parameter with a preset performance parameter and the duration with the preset time, and judging whether the compressor is in an abnormal working state; and
104, controlling to output an alarm prompt when the compressor is in an abnormal working state;
wherein the specific performance parameter is detected by a sensor, the sensor including a sound sensor, a temperature sensor or a power sensor.
The invention also provides a compressor of a refrigerating device, which is detected by the detection system.
The invention also provides a compressor of a refrigerating device, which is detected by the detection method.
Compared with the prior art, the detection system, the detection method and the compressor provided by the invention have the advantages that the timer is introduced, whether the duration time of the abnormal specific performance parameter in the working process of the compressor continuously exceeds the preset time or not is examined, and when the duration time exceeds the preset time, the abnormal working of the compressor is judged to prompt a user, so that the major fault of a refrigerating device is prevented. The timer detects the duration, so that the misjudgment caused by the normal change of the specific performance parameters in the range from the start of the compressor to the normal operation can be reduced.
The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.
Drawings
FIG. 1 is a functional block diagram of a detection system of the present invention.
FIG. 2 is a flow chart of the detection method of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to embodiments and accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
FIG. 1 is a functional block diagram of a detection system of the present invention.
As shown in fig. 1, the detection system 10 is mainly used for detecting whether a compressor of a refrigeration device is in an abnormal working state, and timely reminding a user to avoid causing a major operation failure of the refrigeration device. The refrigeration device is, for example, a refrigerator or a chest freezer.
The detection system 10 comprises a controller 1, a sensor 2, a timer 3, a storage unit 4 and an alarm 5, wherein the sensor 2, the timer 3, the storage unit 4 and the alarm 5 can be in data communication with the controller 1 respectively; the sensor 2 is used for detecting specific performance parameters of the refrigerating device and/or a compressor in the refrigerating device, and the signal sending unit in the sensor 2 transmits the detected specific performance parameters to the controller 1; the timer 3 is used for accumulating the duration of the specific performance parameter, that is, when the sensor 2 starts to detect the specific performance parameter, the timer 3 starts to time along with the start of the sensor 2; the storage unit 4 stores the preset performance parameters and the preset time, and the controller 1 can read the preset performance parameters and the preset time; the alarm 5 is used for outputting an alarm prompt; the controller 1 obtains and compares the specific performance parameter with a preset performance parameter and the duration time with the preset time, judges that the compressor of the refrigerating device is in an abnormal working state, and controls the alarm 5 to output an alarm prompt through the controller 1. If the compressor of the refrigeration device is judged to be in a non-abnormal working state, the controller 1 continues to control the sensor 2 and the timer 3 to detect corresponding parameters, and the compressor is continuously monitored.
In this embodiment, the timer 3 may be a timing module in the sensor 2, and the accumulated duration of the timer 3 may be sent to the controller 1 along with the specific performance parameter detected by the sensor 2, but not limited thereto. In other embodiments of the present invention, the timer 3 may also be a unit independent from the sensor 2, and when the sensor 2 starts to detect the specific performance parameter, the sensor 2 triggers the timer 3 to start to accumulate the duration of the specific performance parameter; alternatively, when the sensor 2 starts to detect a specific performance parameter, the controller 1 triggers the timer 3 to start to accumulate the duration of the specific performance parameter.
The introduction of the timer 3 enables the controller 1 to consider the duration of the abnormality of the specific performance parameter when the specific performance parameter is judged to be abnormal, thereby avoiding that the normal change of the specific performance parameter is mistakenly judged as the abnormality of the compressor in the process of transition from the self-starting state to the normal running state of the compressor.
It should be noted that the sensor 2 is activated to detect a specific performance parameter, which changes all the time during the duration of the time since the refrigeration device and the compressor of the refrigeration device are continuously in the working state, and in order to make the diagnosis of the detection system more accurate, the specific performance parameter should belong to a range of values during the duration of time, and is not limited to a single value. Based on this, the predetermined performance parameter in the storage unit 4 may also be a range of values, and is not limited to a single value.
In a preferred embodiment of the invention, the sensor 2 comprises a plurality of different types of sensors to detect different performance parameters of the refrigeration device or of the compressor of the refrigeration device, respectively. The sensor 2 includes a sound sensor 21, a temperature sensor 22, or a power sensor 23.
In a preferred embodiment of the present invention, the alarm prompt output by the alarm 5 includes, but is not limited to, voice prompt, text prompt, light prompt, and combinations thereof.
In a preferred embodiment of the present invention, the controller 1 is, for example, a central processing unit of a refrigeration device, and the storage unit 4 is, for example, a functional module integrated on the central processing unit of the refrigeration device. The central processing unit is, for example, an integrated circuit module.
In an embodiment of the present invention, the sensor 2 is, for example, an acoustic sensor 21, the acoustic sensor 21 is disposed above a compressor of the refrigeration apparatus or on a housing of the compressor, and the acoustic sensor 21 is used for detecting an actual noise value generated by the operation of the compressor, that is, the specific performance parameter is the actual noise value. At this time, the preset performance parameter in the storage unit 4 corresponds to a preset noise value, and the preset time is defined as a first preset time.
The process of judging whether the compressor is in the abnormal working state of the controller 1 comprises the steps that the sound sensor 21 starts to detect the actual noise value, the timer 3 starts to accumulate the duration time of the actual noise value, and the duration time of the actual noise value is defined as first duration time; the actual noise value is transmitted to the controller 1 through the sound sensor 21, and the first duration is transmitted to the controller 1 through the timer 3, and the controller 1 receives the actual noise value and the first duration; the controller 1 reads the preset noise value and the first preset time in the storage unit 4; and the controller 1 compares the actual noise value with the preset noise value, the first duration and the first preset time, when the actual noise value is greater than the preset noise value and the first duration is greater than the first preset time, the controller 1 judges that the compressor is in an abnormal working state at the moment and further outputs a control signal to the alarm 5, and the alarm 5 outputs an alarm prompt according to the control signal so as to prompt a user to maintain the compressor and the refrigerating device in the abnormal working state and prevent major faults from being formed.
In another embodiment of the present invention, the sensor 2 is, for example, a temperature sensor 22, and the temperature sensor 22 includes, for example, a first temperature sensor, which is disposed on a shell of a compressor of the refrigeration device and is used for detecting the shell temperature of the shell of the compressor, that is, the specific performance parameter is the shell temperature. At this time, the preset performance parameter in the storage unit 4 corresponds to a first preset temperature value, and the preset time is defined as a second preset time.
The process of judging whether the compressor is in the abnormal working state of the controller 1 comprises the steps that a first temperature sensor starts to detect the shell temperature, a timer 3 starts to accumulate the duration time of the shell temperature, and the duration time of the shell temperature is defined as a second duration time; the shell temperature is transmitted to the controller 1 through the first temperature sensor, the second duration time is transmitted to the controller 1 through the timer 3, and the controller 1 receives the shell temperature and the second duration time; the controller 1 reads a first preset temperature and a second preset time in the storage unit 4; and the controller 1 compares the shell temperature with a first preset temperature, a second duration and a second preset time, when the shell temperature is higher than the first preset temperature and the second duration is higher than the second preset time, the controller 1 judges that the compressor is in an abnormal working state at the moment and then outputs a control signal to the alarm 5, and the alarm 5 outputs an alarm prompt according to the control signal so as to prompt a user to maintain the compressor and the refrigerating device in the abnormal working state and prevent major faults from forming.
In a preferred embodiment of the present invention, when the first preset temperature is 90 ℃ ± 5 ℃, that is, the temperature of the casing is greater than 90 ℃ ± 5 ℃, the operating temperature of the compressor is too high, the motor is easily burnt when operating at a high temperature, and the compressor increases power at a high temperature, so that the energy consumption of the refrigeration device increases.
Further, the temperature sensor 22 further includes a second temperature sensor, which is disposed outside the refrigeration apparatus and is used for detecting the ambient temperature of the environment in which the refrigeration apparatus is located; that is, the temperature sensor 22 is a dual sensor module unit, and at this time, it is determined whether the compressor in the refrigeration apparatus is in an abnormal operation state by acquiring a temperature difference between the casing temperature and the ambient temperature.
The temperature sensor 22 is a dual-sensor module unit, the predetermined performance parameter in the storage unit 4 corresponds to a predetermined temperature difference, and the predetermined time is defined as a third predetermined time.
The temperature sensor 22 is a dual-sensor module unit, and the process of the controller 1 for determining whether the compressor is in the abnormal working state includes that the first temperature sensor starts to detect the shell temperature, the second temperature sensor starts to detect the ambient temperature, the ambient temperature is transmitted to the first temperature sensor, and the first temperature sensor calculates the actual temperature difference between the shell temperature and the ambient temperature; the timer 3 starts the duration of the accumulated actual temperature difference, and the duration of the actual temperature difference is defined as a third duration; the actual temperature difference is transmitted to the controller 1 through the first temperature sensor, the third duration is transmitted to the controller 1 through the timer 3, and the controller 1 receives the shell temperature and the second duration; the controller 1 reads the preset temperature difference value and the third preset time in the storage unit 4; and the controller 1 compares the actual temperature difference value with the preset temperature difference value, the third duration and the third preset time, when the actual temperature difference value is greater than the preset temperature difference value and the third duration is greater than the third preset time, the controller 1 judges that the compressor is in an abnormal working state at the moment, and then outputs a control signal to the alarm 5, and the alarm 5 outputs an alarm prompt according to the control signal, so that a user is prompted to maintain the compressor and the refrigerating device in the abnormal working state, and major faults are prevented from being formed.
In a preferred embodiment of the present invention, when the temperature difference is 70 ℃ ± 5 ℃, that is, the temperature of the shell is greater than 90 ℃ ± 5 ℃, the operating temperature of the compressor is too high, the motor is easily burned out when operating at a high temperature, and the compressor increases power at a high temperature, so that the energy consumption of the refrigeration device is increased.
In addition, the third preset time and the second preset time may be the same. Further, the temperature difference can also be calculated by a second temperature sensor and transmitted to the controller.
In a further embodiment of the invention, the sensor 2 is for example a power sensor 23, the power sensor 23 being arranged inside a compressor of the refrigeration device for detecting the operating power of the compressor, i.e. the above-mentioned specific performance parameter is the operating power. At this time, the preset performance parameter in the storage unit 4 corresponds to the preset power of the compressor, and the preset time is defined as a fourth preset time.
The process of judging whether the compressor is in the abnormal working state of the controller 1 comprises the steps that the power sensor 23 starts to detect the running power, the timer 3 starts the duration of the accumulated running power, and the duration of the running power is defined as the fourth duration; the operation power is transmitted to the controller 1 through the power sensor 23, and the fourth duration is transmitted to the controller 1 through the timer 3, and the controller 1 receives the operation power and the fourth duration; the controller 1 reads the preset power and the fourth preset time in the storage unit 4; and the controller 1 compares the running power with the preset power, the fourth duration and the fourth preset time, when the running power is greater than the preset power and the fourth duration is greater than the fourth preset time, the controller 1 judges that the compressor is in an abnormal working state at the moment and then outputs a control signal to the alarm 5, and the alarm 5 outputs an alarm prompt according to the control signal, so that a user is prompted to maintain the compressor and the refrigerating device in the abnormal working state, and major faults are prevented from being formed.
In addition, the power sensor 23 can also measure an electric signal generated during the operation of the compressor, wherein the electric signal includes the current of the motor and the like, and the operation power is replaced by the electric signal, so that whether the compressor is in an abnormal working state or not can be judged.
FIG. 2 is a flow chart of the detection method of the present invention.
The detection method 100 corresponds to the detection system 10, the detection method 100 is suitable for detecting an abnormal operating state of a compressor of a refrigeration device, and the detection method 100 comprises the following steps:
103, acquiring the specific performance parameter and the duration, comparing the characteristic performance parameter with a preset performance parameter and the duration with the preset time, and judging whether the compressor is in an abnormal working state; and
104, controlling to output an alarm prompt when the compressor is in an abnormal working state;
the method 100 further includes, step 105, returning to step 101 when the compressor is in a non-abnormal operating state.
Wherein, the specific performance parameter can be detected by the sensor 2 in the detection system 10, and the sensor 2 includes, but is not limited to, the sound sensor 21, the temperature sensor 22 or the power sensor 23. Wherein, the sound sensor 21 detects the actual noise value of the compressor; the temperature sensor 22 detects the shell temperature of the compressor and/or the ambient temperature of the external environment in which the refrigeration device is located; the power sensor 23 detects the operating power of the compressor.
The present invention also provides a compressor for a refrigeration device that can be tested by the test system 10 or the test method 100.
In summary, the detection system, the detection method and the compressor provided by the invention have the advantages that the timer is introduced, whether the duration time of the abnormal specific performance parameter in the working process of the compressor continuously exceeds the preset time or not is examined, and when the duration time exceeds the preset time, the abnormal working of the compressor is judged to prompt a user to prevent major faults of the refrigerating device. The timer detects the duration, so that the misjudgment caused by the normal change of the specific performance parameters in the range from the start of the compressor to the normal operation can be reduced.
The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. A detection system suitable for detecting a compressor of a refrigeration device, characterized in that it comprises:
a controller;
a sensor for detecting a specific performance parameter of the refrigeration device and/or the compressor;
a timer for accumulating a duration of the particular performance parameter;
a storage unit for storing preset performance parameters and preset time; and
the alarm is used for outputting alarm prompts;
the sensor, the timer, the storage unit and the alarm are in data communication with the controller respectively; the controller acquires and compares the specific performance parameter with the preset performance parameter and the duration time with the preset time, and judges whether the compressor is in an abnormal working state; if the compressor is in an abnormal working state, the controller controls the alarm to output the alarm prompt;
wherein the sensor comprises a sound sensor, a temperature sensor or a power sensor.
2. The detecting system for detecting the rotation of a motor rotor as claimed in claim 1, wherein the sensor is the sound sensor which is arranged above the compressor or on a shell of the compressor and is used for detecting the actual noise value generated by the operation of the compressor;
defining the specific performance parameter as the actual noise value, the duration as a first duration, the preset performance parameter as a preset noise value, and the preset time as a first preset time; acquiring and comparing the actual noise value with the preset noise value, the first duration and the first preset time; when the actual noise value is larger than the preset noise value and the first duration is larger than the first preset time, the controller judges that the compressor is in an abnormal working state at the moment, and then outputs a control signal to the alarm, and the alarm outputs an alarm prompt according to the control signal.
3. The detecting system for detecting the temperature of the compressor as claimed in claim 1, wherein the sensor is the temperature sensor, the temperature sensor includes a first temperature sensor, the first temperature sensor is disposed on the shell of the compressor for detecting the shell temperature of the compressor;
defining the specific performance parameter as the shell temperature, the duration as a second duration, the preset performance parameter as a first preset temperature, and the preset time as a second preset time; acquiring and comparing the shell temperature with the first preset temperature and the second duration with the second preset time; when the shell temperature is higher than the first preset temperature and the second duration is longer than the second preset time, the controller judges that the compressor is in an abnormal working state at the moment, and then outputs a control signal to the alarm, and the alarm outputs an alarm prompt according to the control signal.
4. The detection system of claim 3, wherein the first predetermined temperature is 90 ℃.
5. The detecting system for detecting the temperature of a compressor as claimed in claim 1, wherein the sensor is the temperature sensor, the temperature sensor includes a first temperature sensor and a second temperature sensor, the first temperature sensor is disposed on the shell of the compressor for detecting the shell temperature of the compressor, the second temperature sensor is disposed outside the refrigerating apparatus for detecting the ambient temperature of the external environment where the refrigerating apparatus is located;
wherein, the first temperature sensor and the second temperature sensor calculate the temperature difference between the shell temperature and the environment temperature; defining the specific performance parameter as the temperature difference, the duration as a third duration, the preset performance parameter as a preset temperature difference, and the preset time as a third preset time; acquiring and comparing the temperature difference with the preset temperature difference, the third duration and the third preset time; when the temperature difference is larger than the preset temperature difference and the third duration is larger than the third preset time, the controller judges that the compressor is in an abnormal working state at the moment, and then outputs a control signal to the alarm, and the alarm outputs an alarm prompt according to the control signal.
6. The detection system of claim 5, wherein the predetermined temperature difference is 70 ℃.
7. The detecting system for detecting the rotation of a motor rotor as claimed in claim 1, wherein the sensor is the power sensor which is arranged inside the compressor and is used for detecting the operation power of the compressor;
defining the specific performance parameter as the running power, the duration as a fourth duration, the preset performance parameter as a preset power, and the preset time as a fourth preset time; acquiring and comparing the running power with the preset power and the fourth duration with the fourth preset time; when the running power is larger than the preset power and the fourth duration is larger than the fourth preset time, the controller judges that the compressor is in an abnormal working state at the moment, and then outputs a control signal to the alarm, and the alarm outputs an alarm prompt according to the control signal.
8. A detection method for detecting a compressor of a refrigeration device, characterized in that it comprises:
step 101, detecting specific performance parameters of the compressor of the refrigeration device;
step 102, accumulating the duration of the characteristic performance parameter;
103, acquiring the specific performance parameter and the duration, comparing the characteristic performance parameter with a preset performance parameter and the duration with the preset time, and judging whether the compressor is in an abnormal working state; and
104, controlling to output an alarm prompt when the compressor is in an abnormal working state;
wherein the specific performance parameter is detected by a sensor, the sensor including a sound sensor, a temperature sensor or a power sensor.
9. Compressor for a refrigeration device, characterized in that it is tested by a test system according to any one of claims 1-7.
10. A compressor for a refrigeration appliance, characterized in that it is tested by the testing method of claim 8.
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| CN112145401A (en) * | 2020-08-21 | 2020-12-29 | 加西贝拉压缩机有限公司 | System and method for controlling rotating speed of variable frequency compressor |
| CN113266569A (en) * | 2021-05-10 | 2021-08-17 | 广东葆德科技有限公司 | Fault detection method and system of compressor based on noise |
| CN113970439A (en) * | 2020-07-24 | 2022-01-25 | 广东美的暖通设备有限公司 | Enhanced vapor injection system and method and device for detecting auxiliary valve body of enhanced vapor injection system |
| CN114396376A (en) * | 2021-12-01 | 2022-04-26 | 石化盈科信息技术有限责任公司 | Fault diagnosis auxiliary method, device, equipment and system for reciprocating compressor |
| CN115728057A (en) * | 2022-11-03 | 2023-03-03 | 华能国际电力股份有限公司安徽风电分公司 | Vibration monitoring and fault diagnosis method for gearbox of wind generating set |
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