Noise monitoring device for refrigerator press room

Abstract

The utility model discloses a refrigerator press room noise monitoring device which comprises a plurality of sound acquisition devices, a sound analysis module and a control module. The vibration sensors are a microphone installed in a press chamber, a first vibration sensor installed on the outer surface of a compressor, a second vibration sensor installed on a refrigerant transmission pipeline, a third vibration sensor installed on a fan shell and a fourth vibration sensor installed on the outer surface of a condenser. Each sound collection device is electrically connected with the sound analysis module, the sound analysis module is used for processing noise collected by each sound collection device, the sound analysis module is electrically connected with the control module, and a noise threshold value corresponding to each sound collection device is preset in the control module; and the control module is used for comparing the processed noises with the corresponding noise thresholds respectively, and if the noises exceed the noise thresholds, an alarm is given, so that a user can process the noises in time.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigerators, and more specifically, to a noise monitoring device for a refrigerator compressor chamber. Background Art

[0002] A refrigerator is a common household appliance. With the development of society and the progress of technology, in addition to paying attention to the refrigeration performance parameters, the overall noise level of the refrigerator has gradually become the focus of people's attention. The noise of the refrigerator mainly comes from the compressor chamber at the bottom of the refrigerator. Specifically, the compressor and the fan installed in the compressor chamber are the main sources of noise. At present, there is no effective way to monitor the main noise points in the compressor chamber, and it is impossible to determine the fault point when the noise in the refrigerator compressor chamber is too large.

[0003] In view of this, it is necessary to improve the existing technology. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a noise monitoring device for a refrigerator compressor chamber, aiming to solve at least one of the technical problems existing in the above-mentioned prior art. To achieve the above purpose, the technical solution adopted is as follows:

[0005] A noise monitoring device for a refrigerator compressor chamber includes a sound acquisition device, a sound analysis module and a control module. There are multiple sound acquisition devices, namely a microphone installed in the compressor chamber, a first vibration sensor installed on the outer surface of the compressor, a second vibration sensor installed on the refrigerant transmission pipeline, a third vibration sensor installed on the fan housing, and a fourth vibration sensor installed on the outer surface of the condenser. Each sound acquisition device is electrically connected to the sound analysis module. The sound analysis module is used to process the noise collected by each sound acquisition device. The sound analysis module is electrically connected to the control module. The control module pre-sets the noise thresholds corresponding to each sound acquisition device. The control module is used to compare the processed noises with the corresponding noise thresholds respectively. If any noise exceeds the noise threshold, a warning will be issued.

[0006] Preferably, the microphone is umbrella-shaped and installed on the top wall of the compressor chamber.

[0007] Preferably, the detection end of the first vibration sensor is in contact with the outer shell of the compressor.

[0008] Preferably, the detection end of the second vibration sensor is in contact with the refrigerant transmission pipeline.

[0009] Preferably, the detection end of the third vibration sensor is in contact with the fan housing.

[0010] Preferably, the detection end of the fourth vibration sensor is in contact with the fins of the condenser.

[0011] Preferably, the device further includes an alarm, which is electrically connected to the control module.

[0012] Preferably, the sound analysis module is a spectrum analyzer.

[0013] The beneficial effects of the present utility model compared with the prior art are as follows:

[0014] A noise monitoring device for a refrigerator compressor room according to the present utility model arranges sound collection devices at each noise point in the compressor compartment, and judges whether the corresponding components are faulty through the detection of noise, which is convenient for users to handle in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the present utility model, the drawings required for the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 It is a structural diagram of the device of the present utility model.

[0017] In the figure: 1, compressor room; 2, microphone; 3, compressor; 4, first vibration sensor; 5, refrigerant transmission pipeline; 6, second vibration sensor; 7, fan; 8, third vibration sensor; 9, condenser; 10, fourth vibration sensor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.

[0019] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "fixation" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0020] As Figure 1 shown, a preferred embodiment of the present utility model provides a noise monitoring device for a refrigerator compressor room, which includes a sound collection device, a sound analysis module, a control module and an alarm.

[0021] There are multiple sound collection devices, which are respectively: a microphone 2 installed in the press chamber 1. Specifically, the microphone 2 is umbrella-shaped and installed on the top wall of the press chamber 1 for easy sound pickup; a first vibration sensor 4 installed on the outer surface of the compressor 3. Specifically, the detection end of the first vibration sensor 4 is in contact with the outer shell of the compressor 3; a second vibration sensor 6 installed on the refrigerant transmission pipeline 5. Specifically, the detection end of the second vibration sensor 6 is in contact with the refrigerant transmission pipeline 5; a third vibration sensor 8 installed on the outer shell of the fan 7. Specifically, the detection end of the third vibration sensor 8 is in contact with the outer shell of the fan 7; a fourth vibration sensor 10 installed on the outer surface of the condenser 9. Specifically, the detection end of the fourth vibration sensor 10 is in contact with the fins of the condenser 9.

[0022] The sound analysis module is a spectrum analyzer, which is set on the top of the refrigerator body. The microphone 2 and the four vibration sensors are all electrically connected to the sound analysis module. The sound analysis module is used to process the noise collected by each sound collection device.

[0023] The sound analysis module is electrically connected to the control module, and the alarm is electrically connected to the control module. The control module pre-sets the noise thresholds corresponding to each sound collection device. The control module is used to compare the processed noises with the corresponding noise thresholds respectively. If any noise exceeds the noise threshold, a warning will be issued to remind the user that the corresponding component has failed, so as to facilitate the user to deal with it in time.

[0024] In summary, for a refrigerator press chamber noise monitoring device described in an embodiment of the present invention, by arranging sound collection devices at each noise point in the press chamber and judging whether the corresponding component has failed through the detection of noise, it is convenient for the user to deal with it in time.

[0025] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A refrigerator compressor chamber noise monitoring device, characterized in that, It includes a sound acquisition device, a sound analysis module and a control module. There are multiple sound acquisition devices, namely a microphone installed in the press room, a first vibration sensor installed on the outer surface of the compressor, a second vibration sensor installed on the refrigerant transmission pipeline, a third vibration sensor installed on the fan housing, and a fourth vibration sensor installed on the outer surface of the condenser. Each sound acquisition device is electrically connected to the sound analysis module. The sound analysis module is used to process the noises collected by each sound acquisition device. The sound analysis module is electrically connected to the control module. Noise thresholds corresponding to each sound acquisition device are preset in the control module. The control module is used to compare the processed noises with the corresponding noise thresholds respectively. If any noise exceeds the noise threshold, a warning is issued.

2. The noise monitoring device for the refrigerator compressor chamber according to claim 1, characterized in that, The microphone is umbrella-shaped and installed on the top wall of the press room.

3. The noise monitoring device for the refrigerator compressor chamber according to claim 1, characterized in that, The detection end of the first vibration sensor is in contact with the outer shell of the compressor.

4. A refrigerator compressor chamber noise monitoring device according to claim 1, characterized in that, The detection end of the second vibration sensor is in contact with the refrigerant transmission pipeline.

5. The noise monitoring device for the refrigerator compressor chamber according to claim 1, characterized in that, The detection end of the third vibration sensor is in contact with the fan housing.

6. The noise monitoring device for the refrigerator compressor chamber according to claim 1, characterized in that, The detection end of the fourth vibration sensor is in contact with the fins of the condenser.

7. The noise monitoring device for the refrigerator compressor chamber according to claim 1, characterized in that, This device further includes an alarm, and the alarm is electrically connected to the control module.

8. The noise monitoring device for the refrigerator compressor chamber according to claim 1, wherein The sound analysis module is a spectrum analyzer.

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