CN109695997A - Refrigerating device and its sound-proof noise reducing method - Google Patents
Refrigerating device and its sound-proof noise reducing method Download PDFInfo
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- CN109695997A CN109695997A CN201710995645.7A CN201710995645A CN109695997A CN 109695997 A CN109695997 A CN 109695997A CN 201710995645 A CN201710995645 A CN 201710995645A CN 109695997 A CN109695997 A CN 109695997A
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- compressor
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- soundproof plate
- opening
- driving mechanism
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/12—Sound
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Compressor (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention provides a kind of refrigerating device and its sound-proof noise reducing methods, refrigerating device therein includes being set to mechanical indoor compressor, first opening of Machine Room is provided with heat dissipation soundproof plate, heat dissipation soundproof plate is configured to be driven and rotated by driving mechanism, to open or close the first opening；Sound-proof noise reducing method therein includes: the temperature detected in compressor operational process, obtains compressor running temperature, and when compressor running temperature reaches the first temperature threshold, starting driving mechanism drives heat dissipation soundproof plate rotation, to appear the first opening；The angle that driving mechanism drives heat dissipation soundproof plate rotation is controlled according to compressor running temperature.Its noise that compressor has been isolated and the radiating efficiency for improving compressor.
Description
Technical field
The present invention relates to family's electro-technical fields, more particularly to refrigerating device and its sound-proof noise reducing method.
Background technique
Refrigerator is common electric appliance in daily life, and with being gradually increased for living standard, the use of refrigerator has been popularized
To every household.Refrigerator needs to freeze by compressor, and the noise of compressor is bigger, how to reduce making an uproar for compressor
Sound always is the technical problem for needing to solve in refrigerator R&D process.
Multi-pass crosses the thickness for increasing pressurised cabin at present, achievees the purpose that reduce compressor noise, but the increasing of press cabin thickness
Add and will lead to compressor heat dissipation effect decrease, influences the Performance And Reliability of compressor.
Summary of the invention
In view of the above problems, it is an object of the present invention to provide one kind to overcome the above problem or at least partly solve
The certainly refrigerating device and its sound-proof noise reducing method of the above problem.
A further object of the present invention is to the noise of compressor is isolated and improves the radiating efficiency of compressor.
According to the present invention on one side, the present invention provides a kind of sound-proof noise reducing methods of refrigerating device, refrigerate cold
Freezing device includes:
Cabinet, rear lower have Machine Room, are disposed with compressor in the Machine Room, the Machine Room is by multiple panels
It is composed, at least one described panel position corresponding with the compressor is formed with the first opening；
At least one heat dissipation soundproof plate and driving mechanism, at least one described heat dissipation soundproof plate are set to first opening
Place is configured to be driven by the driving mechanism and rotate, to open or close first opening；
The described method includes:
The temperature in the compressor operational process is detected, the compressor running temperature is obtained；
When the compressor running temperature reaches the first temperature threshold, start the driving mechanism, drive is described at least
One heat dissipation soundproof plate rotation, to appear first opening；
The driving mechanism, which is controlled, according to the compressor running temperature drives at least one described heat dissipation soundproof plate rotation
Angle.
Optionally, sound-proof noise reducing method, further includes:
When the compressor is out of service, controls the driving mechanism and at least one described heat dissipation soundproof plate is driven to open
To maximum angle.
Optionally, after the compressor is out of service, further includes:
Detect the compressor it is out of service after temperature, obtain the compressor natural temperature；
When the compressor natural temperature reaches second temperature threshold value, controls the driving mechanism and drive described at least one
A heat dissipation soundproof plate is closed.
According to a further aspect of the present invention, a kind of refrigerating device is additionally provided, comprising:
Cabinet, rear lower have Machine Room, are disposed with compressor in the Machine Room, the Machine Room is by multiple panels
It is composed, at least one described panel position corresponding with the compressor is formed with the first opening；
At least one heat dissipation soundproof plate and driving mechanism, at least one described heat dissipation soundproof plate are set to first opening
Place is configured to be driven by the driving mechanism and rotate, to open or close first opening；
Temperature sensor is configured to detect the temperature in the compressor operational process, to obtain the compressor operation
Temperature；
Controller is configured to start the driving mechanism when the compressor running temperature reaches the first temperature threshold,
At least one described heat dissipation soundproof plate rotation is driven, to appear first opening；And it is configured to be run according to the compressor
Temperature controls the angle that the driving mechanism drives at least one heat dissipation soundproof plate rotation.
Optionally, controller is additionally configured to when the compressor is out of service, is controlled described in the driving mechanism drive
At least one heat dissipation soundproof plate is opened to maximum angle.
Optionally, temperature sensor be additionally configured to detect the compressor it is out of service after temperature, obtain the compression
Machine natural temperature；
The controller is additionally configured to control the driving when the compressor natural temperature reaches second temperature threshold value
Mechanism drives at least one described heat dissipation soundproof plate to close.
Optionally, each heat dissipation soundproof plate includes multiple sound successively arranged along the heat dissipation soundproof plate extending direction
Learn Meta Materials acoustic insulating unit.
Optionally, each acoustic metamaterial acoustic insulating unit includes:
Outer rim, there are two the second opposite openings for tool, and second opening is opposite with first opening；
Mass block and two panels film, the two panels film are respectively overlay in two second openings, with it is described outer
Frame constitutes closed space, and the two panels film is formed with opposite third opening, and the mass block sequentially passes through described two
The third of piece film is open, and connect with the two panels film.
Optionally, each acoustic metamaterial acoustic insulating unit further include:
Two rigid connection portions being oppositely arranged, described two rigid connection portions extend to institute by the periphery of the mass block
Two opposite edge of outer rim are stated, and are connect with the outer rim；And
The two panels film be each formed be adapted to described two rigid connection portions and it is one-to-one two the 4th opening,
Each rigid connection portion sequentially passes through corresponding 4th opening of the two panels film, and connects with the two panels film
It connects；
The mass block is formed with the through-hole with the second opening perforation, in order to when closing the Machine Room, institute
It states Machine Room to be in communication with the outside by the through-hole, consequently facilitating the heat dissipation of the compressor.
Optionally, each acoustic metamaterial acoustic insulating unit further include: sound-absorbing material is filled in described two diaphragms
In the space constituted with the outer rim.
The sound-proof noise reducing method of refrigerating device of the invention, refrigerating device therein have heat dissipation soundproof plate and
The driving mechanism that driving heat dissipation soundproof plate rotates, driving mechanism drive heat dissipation soundproof plate to turn to closed state, close and compress
Corresponding first opening of machine, is isolated the noise of compressor；Driving mechanism drives heat dissipation soundproof plate to turn to opening state, appears the
One opening, meets the radiating requirements of compressor, realizes the demand of isolation and the compressor heat dissipation of compressor noise.Also, it is logical
The temperature in detection compressor operational process is crossed, the angle of heat dissipation soundproof plate rotation is controlled according to compressor running temperature, full
While the heat dissipation of sufficient compressor, isolation compressor noise is taken into account, compressor noise isolation and compressor heat dissipation is balanced, is promoted
The runnability of compressor, improves user experience.
Further, in the sound-proof noise reducing method of refrigerating device of the invention, when compressor is out of service, heat dissipation
Soundproof plate is opened to maximum angle, can increase the heat dissipation of compressor in maximum efficiency.Also, after compressor is out of service, when
When the natural temperature of compressor drops to second temperature threshold value, heat dissipation soundproof plate is turned to and is completely closed, prevent unidentified organism into
Enter Machine Room and destroys the components such as compressor.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the partial structure diagram of refrigerating device according to an embodiment of the invention；
Fig. 2 is the schematic diagram of another direction of the part-structure of refrigerating device according to an embodiment of the invention；
Fig. 3 is the partial structure diagram of refrigerating device according to an embodiment of the invention, wherein having concealed machine
The rear panel of tool room；
Fig. 4 is the partial structure diagram of refrigerating device according to another embodiment of the present invention, wherein having concealed machine
The rear panel of tool room；
Fig. 5 is the bottom plate, heat dissipation soundproof plate and drive of the Machine Room of refrigerating device according to an embodiment of the invention
The combination diagram of motivation structure；
Fig. 6 is the bottom plate, heat dissipation soundproof plate and drive of the Machine Room of refrigerating device according to another embodiment of the present invention
The combination diagram of motivation structure；
Fig. 7 is the electrical component structural schematic diagram of refrigerating device according to an embodiment of the invention；
Fig. 8 is the schematic diagram of the sound-proof noise reducing method of refrigerating device according to an embodiment of the invention；
Fig. 9 is the flow chart of the sound-proof noise reducing method of refrigerating device according to an embodiment of the invention；
Figure 10 is the combination of the heat dissipation soundproof plate and driving mechanism of refrigerating device according to an embodiment of the invention
Schematic diagram；
Figure 11 is the part of the heat dissipation soundproof plate and driving mechanism of refrigerating device according to an embodiment of the invention
Enlarged drawing；
Figure 12 is the schematic diagram of the heat dissipation soundproof plate of refrigerating device according to an embodiment of the invention；And
Figure 13 is the schematic diagram of the acoustic metamaterial acoustic insulating unit of refrigerating device according to an embodiment of the invention.
Specific embodiment
A kind of refrigerating device is present embodiments provided, Fig. 1 is refrigerating dress according to an embodiment of the invention
The partial structure diagram set, Fig. 2 are another party of the part-structure of refrigerating device according to an embodiment of the invention
To schematic diagram, Fig. 3 is the partial structure diagram of refrigerating device according to an embodiment of the invention, wherein having concealed machine
The rear panel of tool room 100, Fig. 4 are the partial structure diagrams of refrigerating device according to another embodiment of the present invention, wherein
The rear panel of Machine Room 100 is concealed.
Refrigerating device generally includes the storage room limited in cabinet and cabinet.The periphery of storage room coats
There is cabinet shell 101, thermal insulation material, such as foaming agent are filled between shell 101 and storage room, scatters and disappears to avoid cooling capacity.
Storage room is usually multiple, such as refrigerating chamber, freezing chamber, temperature-changing chamber.
Refrigerating device can be direct-cooling refrigeration refrigerating plant or air-cooled refrigeration refrigerating plant, and pressure can be used
Compression type refrigerating circulation is used as cold source, and refrigeration system can be the refrigeration being made of compressor, condenser, throttling set and evaporator etc.
The circulatory system.Since the refrigeration principle of refrigeration system and refrigerating device is that those skilled in the art are known and be easy to real
Existing, in order not to cover and obscure present invention point, refrigeration system itself is not repeated them here hereinafter.
Fig. 5 is the bottom plate 110 of the Machine Room 100 of refrigerating device according to an embodiment of the invention, heat dissipation sound insulation
The combination diagram of plate 120 and driving mechanism 140, Fig. 6 are the machinery of refrigerating device according to another embodiment of the present invention
The combination diagram of the bottom plate 110 of room 100, radiate soundproof plate 120 and driving mechanism 140.
In the present embodiment, the rear lower of cabinet has Machine Room 100, and Machine Room 100 is formed by multiple panel combinations.Compression
Machine 130 is arranged in Machine Room 100.
Particularly, referring to figs. 5 and 6, at least one panel of Machine Room 100 position corresponding with compressor 130 is formed
There is the first opening 111.Specifically, Machine Room 100 includes top plate and bottom plate and opposite two side plate for connecting top plate and bottom plate.
The position corresponding with compressor 130 of bottom plate 110 can be formed with the first opening 111, and/or, it is right with compressor 130 in two side plates
The side plate answered is formed with the first opening 111.
Refrigerating device further includes at least one heat dissipation soundproof plate 120 and driving mechanism 140.At least one heat dissipation sound insulation
Plate 120 is set at the first opening 111, is configured to be driven and rotated by driving mechanism, to open or close the first opening.
Driving mechanism 140 drives heat dissipation soundproof plate 120 to turn to closed state, closes corresponding with compressor 130 first
The noise of compressor 130 is isolated in opening 111；Driving mechanism 140 drives heat dissipation soundproof plate 120 to turn to opening state, appears the
One opening 111, meets the radiating requirements of compressor 130, what the isolation and compressor 130 for realizing 130 noise of compressor were radiated
Demand.
Fig. 7 is the electrical component structural schematic diagram of refrigerating device 10 according to an embodiment of the invention.
Particularly, as shown in fig. 7, refrigerating device 10 further includes temperature sensor 150 and controller 160.Temperature passes
Sensor 150 is configured to the temperature in detection 130 operational process of compressor, to obtain 130 running temperature of compressor.Controller 160
It is configured to when 130 running temperature of compressor reaches the first temperature threshold, starts driving mechanism 140, driving mechanism 140 drives extremely
A few heat dissipation soundproof plate 120 rotation, to appear the first opening 111.
The reset condition of heat dissipation soundproof plate 120 is in off state, and detects that compressor 130 is transported in temperature sensor 150
When trip temperature reaches the first temperature threshold, for example, the first temperature threshold is 90 to 120 DEG C, touched at this point, being sent to controller 160
It signals, controller 160 controls driving mechanism 140 and starts, and driving mechanism 140 drives heat dissipation soundproof plate 120 to rotate, and appears first
Opening 111, the heat that generates passes through the first opening 111 manifested and distributes to the outside of Machine Room in the operation of compressor 130, together
When, since heat dissipation soundproof plate 120 still partial occlusion is at the first opening 111, fortune of the heat dissipation soundproof plate 120 to compressor 130
Row noise plays good isolation, and user is less likely to be perceived the presence of 140 noise of compressor, promotes user experience.
After driving mechanism 140 starts, controller 160 controls driving mechanism 140 according to 130 running temperature of compressor and drives extremely
The angle that few heat dissipation soundproof plate 120 rotates.It drives heat dissipation soundproof plate 120 to rotate after the starting of 140 mechanism of driving mechanism, appears
The segment space of first opening 111, in 130 operational process of compressor while generating heat, partial heat is by appearing
Outside opening heat dissipation to Machine Room, so that 130 running temperature of compressor is in constantly variation.Meanwhile the operation of compressor 130
The part of noise is isolated by heat dissipation soundproof plate 120, is partially spread out of outside Machine Room by the opening appeared.
For the isolation of 130 noise of heat dissipation and compressor of balance compressor 130, adjusted according to 130 running temperature of compressor
The angle that the soundproof plate 120 that radiates rotates, adjusts the size of appeared opening, reaches the heat dissipation of compressor 130 and 130 noise of compressor
The balance of isolation.For example, 130 running temperature of compressor is higher, control heat dissipation soundproof plate 120 rotates larger angle, and increase is shown
Reveal the size of opening, accelerates compressor 130 and radiate；If it is very fast that 130 running temperature of compressor reduces amplitude, control heat dissipation soundproof plate
120 rotation smaller angles, reduce the size of appeared opening, while guaranteeing that compressor 130 radiates, are promoted to compressor
The isolation effect of 130 noises.
Controller 160 is additionally configured to when compressor 130 is out of service, and control driving mechanism 140 drives at least one to dissipate
Hot soundproof plate 120 is opened to maximum angle.After compressor 130 is out of service, heat dissipation soundproof plate 120 turns to maximum angle,
Appear the first opening 111 to the maximum extent, to increase the heat dissipation area of the heat dissipation area of compressor 130 with increasing limit, accelerates
The heat dissipation of compressor 130.
The angular range that soundproof plate 120 rotates that radiates can be 0 to 60 °, adjust heat dissipation soundproof plate according to 130 temperature of compressor
Thus 120 rotational angle reaches the balance of the heat dissipation of compressor 130 and the isolation of 130 noise of compressor, promotes refrigerating device
10 overall operation efficiency.
Temperature sensor 150 be additionally configured to detection compressor 130 it is out of service after temperature, it is natural to obtain compressor 130
Temperature, controller 160 are additionally configured to when 130 natural temperature of compressor reaches second temperature threshold value, control 140 band of driving mechanism
At least one heat dissipation soundproof plate 120 is moved to close.
Second temperature threshold value can be the temperature of 10 local environment of refrigerating device.After compressor 130 is out of service, compression
The heat of machine 130 is gradually dispersed into outside Machine Room by the first opening 111 that the soundproof plate 120 that radiates appears, compressor 130
Natural temperature gradually decreases, and when 130 natural temperature of compressor is reduced to second temperature threshold value, driving mechanism 140 drives heat dissipation
Soundproof plate 120 is rotated to close the first opening 111.Thus compressor 130 is enclosed in Machine Room 100, is prevented external unknown
Biology, which enters in Machine Room 100, damages the component in Machine Room 100.
Based on above-mentioned refrigerating device 10, the present embodiment additionally provides a kind of sound insulation and noise reduction of refrigerating device 10
Method, Fig. 8 is the schematic diagram of the sound-proof noise reducing method of refrigerating device 10 according to an embodiment of the invention, such as Fig. 8 institute
Show, the sound-proof noise reducing method of refrigerating device 10 includes:
S802 detects the temperature in 130 operational process of compressor, obtains 130 running temperature of compressor.
S804 starts driving mechanism 140 when 130 running temperature of compressor reaches the first temperature threshold, drives at least one
A heat dissipation soundproof plate 120 rotates, to appear the first opening 111.
The reset condition of heat dissipation soundproof plate 120 is in off state, and temperature sensor 150 detects that compressor 130 runs temperature
When degree reaches the first temperature threshold, trigger signal is sent to controller 160, controller 160 controls driving mechanism 140 and starts, drives
Motivation structure 140 drives heat dissipation soundproof plate 120 to rotate, and appears the first opening 111, and the heat generated in the operation of compressor 130 passes through
The first opening manifested 111 is distributed to the outside of Machine Room, simultaneously as heat dissipation soundproof plate 120 still partial occlusion is the
At one opening 111, heat dissipation soundproof plate 120 plays good isolation to the operation noise of compressor 130.Wherein, the first temperature threshold
Value can be 90 to 120 DEG C.
S806 controls driving mechanism 140 according to 130 running temperature of compressor and drives at least one 120 turns of soundproof plate of heat dissipation
Dynamic angle.
After driving mechanism 140 starts, controller 160 controls driving mechanism 140 according to 130 running temperature of compressor and drives extremely
The angle that few heat dissipation soundproof plate 120 rotates, adjusts the size of appeared opening, the part for the noise that compressor 130 is run
It is isolated by heat dissipation soundproof plate 120, is partially spread out of outside Machine Room by the opening appeared, reaches the heat dissipation of compressor 130 and compression
The balance of 130 noise of machine isolation.For example, 130 running temperature of compressor is higher, control heat dissipation soundproof plate 120 rotates larger angle,
Increase the size of appeared opening, accelerates compressor 130 and radiate；If it is very fast that 130 running temperature of compressor reduces amplitude, control dissipates
Hot soundproof plate 120 rotates smaller angle, reduces the size of appeared opening, while guaranteeing that compressor 130 radiates, promotion pair
The isolation effect of 130 noise of compressor.
The sound-proof noise reducing method of the present embodiment may also include that
When compressor 130 is out of service, control driving mechanism 140 drives at least one heat dissipation soundproof plate 120 to open extremely
Maximum angle.After compressor 130 is out of service, heat dissipation soundproof plate 120 turns to maximum angle, appears first to the maximum extent and opens
Mouth 111 accelerates the heat dissipation of compressor 130 to increase the heat dissipation area of compressor 130 with increasing limit.
The angular range that soundproof plate 120 rotates that radiates can be 0 to 60 °, adjust heat dissipation soundproof plate according to 130 temperature of compressor
120 rotational angle.Thus the balance for reaching the heat dissipation of compressor 130 and the isolation of 130 noise of compressor, promotes refrigerating device
10 overall operation efficiency.
After compressor 130 is out of service, further includes:
Temperature after detection compressor 130 is out of service obtains 130 natural temperature of compressor；
When 130 natural temperature of compressor reaches second temperature threshold value, control driving mechanism 140 drives at least one heat dissipation
Soundproof plate 120 is closed.
Second temperature threshold value can be the temperature of 10 local environment of refrigerating device.After compressor 130 is out of service, compression
The heat of machine 130 is gradually dispersed into outside Machine Room by the first opening 111 that the soundproof plate 120 that radiates appears, compressor 130
Natural temperature gradually decreases, and when 130 natural temperature of compressor is reduced to second temperature threshold value, driving mechanism 140 drives heat dissipation
Soundproof plate 120 is rotated to close the first opening 111.Thus compressor 130 is enclosed in Machine Room 100, is prevented external unknown
Biology, which enters in Machine Room 100, damages the component in Machine Room 100.
Above-mentioned the first temperature threshold and second temperature threshold value can according to the operating condition and actual demand of compressor 13 and
It determines, the present embodiment only illustratively gives a specific numberical range.
Fig. 9 is the flow chart of the sound-proof noise reducing method of the refrigerating device 10 of the one of embodiment of the present invention, such as Fig. 9
Shown, the sound-proof noise reducing method of refrigerating device 10 includes:
S902 detects the temperature in 130 operational process of compressor, obtains 130 running temperature of compressor；
S904, judges whether 130 running temperature of compressor reaches the first temperature threshold；
S906, if 130 running temperature of compressor reaches the first temperature threshold, starting driving mechanism 140 drives all heat dissipations
Soundproof plate 120 rotates, to appear the first opening 111；
S908 controls driving mechanism 140 according to 130 running temperature of compressor and all heat dissipation soundproof plates 120 is driven to rotate
Angle；
S910, when compressor 130 is out of service, control driving mechanism 140 drives all heat dissipation soundproof plates 120 to open extremely
Maximum angle；
S912, the temperature after detection compressor 130 is out of service, obtains 130 natural temperature of compressor；
S914, when 130 natural temperature of compressor reaches second temperature threshold value, control driving mechanism 140 drives all dissipate
Hot soundproof plate 120 is closed.
The sound-proof noise reducing method of the refrigerating device 10 of the present embodiment, according to the temperature of compressor 130, adjustment heat dissipation every
The rotational angle of soundboard 120 while meeting 130 radiating requirements of compressor, can also be effectively isolated the noise of compressor 130, put down
The isolation of 130 noise of heat dissipation and compressor of compressor 130 of having weighed mentions to promote the operational efficiency of refrigerating device 10
Rise user experience.
The structure of refrigerating device 10 is further elaborated with below.
Referring again to Fig. 5 and Fig. 6, in the present embodiment, the bottom plate 110 of Machine Room 100 position shape corresponding with compressor 130
At there is the first opening 111.Multiple heat dissipation soundproof plates 120, the extension of each heat dissipation soundproof plate 120 are disposed at first opening 111
Direction is parallel with the transverse direction of cabinet, and multiple heat dissipation soundproof plates 120 are sequentially distributed along the depth direction of cabinet.All heat dissipations
Soundproof plate 120 drives the central axis extended around itself extending direction to rotate synchronously by driving mechanism 140.
The first end of 110 transverse direction of bottom plate of Machine Room 100 forms the first peace of oriented 110 interior direction of bottom plate protrusion
Loading board 112, the second end of 110 transverse direction of bottom plate form the second mounting plate 113 of oriented 110 interior direction of bottom plate protrusion.
Figure 10 is the heat dissipation soundproof plate 120 and driving mechanism of refrigerating device 10 according to an embodiment of the invention
140 combination diagram, Figure 11 are heat dissipation soundproof plate 120 and the driving of refrigerating device according to an embodiment of the invention
The partial enlarged view of mechanism 140.
Referring to Figure 10 and Figure 11, driving mechanism 140 includes the motor 141 and motor being set on the first mounting plate 112
First connecting rod 142 that 141 output shafts are fixedly connected, the driving member 143 being rotatablely connected with first connecting rod 142 and at least one second
Connecting rod 144.Motor 141 has the output shaft parallel with 110 transverse direction of bottom plate, 110 transverse direction of bottom plate and heat dissipation soundproof plate
120 extending direction is parallel.
Specifically, the first end of first connecting rod 142 is fixedly connected with the output shaft of motor 141, and the second of first connecting rod 142
End is rotatablely connected with driving member 143.All second connecting rods 144 are corresponded with heat dissipation soundproof plate 120, each second connecting rod 144
First end and driving member 143 be rotatablely connected, the second end of each second connecting rod 144 pass through the first mounting plate 112 with it is corresponding
The first end rotation connection of heat dissipation soundproof plate 120.Motor 141 drives the rotation of driving member 143, transmission by first connecting rod 142
The rotation of part 143 drives rotationally connected each second connecting rod 144 to rotate synchronously, and each second connecting rod 144, which drives, to be corresponded to
Heat dissipation soundproof plate 120 rotate synchronously.So that all heat dissipation soundproof plates 120 are synchronized and are opened or closed.
Driving member 143 include first connecting rod 143a and the second connecting rod 143b, the first end of first connecting rod 143a with
The second end of first connecting rod 142 is rotatablely connected, and the second end of first connecting rod 143a is fixedly connected with the second connecting rod 143b.
Motor 141 in the present embodiment is stepper motor.The first connecting rod 143a of driving member 143 is close to motor 141
The position of output shaft is formed with half slot 143a1, to avoid first connecting rod 143a to its own around the output shaft of motor 141
Rotation forms interference, guarantees the smooth rotation of driving member 143, to guarantee the smooth rotation of heat dissipation soundproof plate 120.
Second connecting rod 143b, which is formed with, to be spaced apart and one-to-one with the second connecting rod 144 in driving mechanism 140
Mounting hole.The first end of second connecting rod 144 is formed with first locating shaft parallel with the output shaft of motor 141, second connecting rod 144
Second end be formed with second locating shaft parallel with the first locating shaft, the first locating shaft is located in corresponding mounting hole, and can
It is freely rotated in corresponding mounting hole, so that each second connecting rod 144 is rotatablely connected with driving member 143.Second connecting rod 144
The second locating shaft pass through the first end rotation connection of the first mounting plate 112 and corresponding heat-dissipation spacer 120.Thus it drives all
The center axis thereof that the soundproof plate 120 that radiates extends around the extending direction of itself, that realizes heat dissipation soundproof plate 120 plays on or off
It closes.The driving mechanism 140 being consequently formed it is compact-sized, ingenious in design, overcome and be difficult in the lesser Machine Room 100 in space
The problem of arranging driving mechanism 140.
Figure 12 is the schematic diagram of the heat dissipation soundproof plate 120 of refrigerating device 10 according to an embodiment of the invention, figure
13 be the schematic diagram of the acoustic metamaterial acoustic insulating unit 122 of refrigerating device 10 according to an embodiment of the invention.
Referring again to Fig. 4 and Fig. 5, the soundproof plate 120 that radiates can be made of common material, such as be made of common plastics.It is special
Not, referring to fig. 2, Fig. 3, Fig. 6 and Figure 10 and Figure 11, each heat dissipation soundproof plate 120 may include multiple along heat dissipation soundproof plate 120
The acoustic metamaterial acoustic insulating unit 122 that extending direction is successively arranged.
Specifically, referring to Figure 12, each heat dissipation soundproof plate 120 includes frame 131 and the sound insulation being set in frame 121
Plate.Soundproof plate is made of multiple acoustic metamaterial acoustic insulating units 122 successively arranged along heat dissipation 120 extending direction of soundproof plate.
The first end of 121 transverse direction of frame is rotatablely connected with the second end of corresponding second connecting rod 144, and frame 121 is horizontal
It is rotatablely connected to the second end in direction and the second mounting plate 113.Specifically, the first end of 121 transverse direction of frame is formed with edge
The rotation axis 121a that its extending direction outwardly protrudes, rotation axis 121a are rotatablely connected with corresponding second connecting rod 144.Frame 121
The second end of transverse direction, which is formed with, extends along the locating shaft 121b that direction outwardly protrudes, the second mounting plate 113 be formed with
The corresponding location hole of each locating shaft 121b, each locating shaft 121b are located in corresponding location hole, and can be in corresponding positioning
It is freely rotated in hole.It is freely rotated as a result, convenient for heat dissipation soundproof plate 120 around center axis, improves heat dissipation soundproof plate 120
The stability and smoothness of rotation.
Referring to Figure 13, acoustic metamaterial acoustic insulating unit 122 includes outer rim 122a, two panels film 122b and mass block
122c.Acoustic metamaterial acoustic insulating unit 122 of the outer rim 122a tool there are two the second opposite opening, in the soundproof plate 120 that radiates
The second opening it is opposite with the first opening 111.Two panels film 122b be respectively overlay in two second opening on, with outer rim
122a constitutes closed space.Two panels film 122b is formed with opposite third opening, and it is thin that mass block 122c sequentially passes through two panels
The third of film 122b is open, and connect with two panels film 122b.
The shape of outer rim 122a is unrestricted, preferably rectangle, square or regular hexagon etc..Outer rim 122a, matter
Gauge block 122c can be by aluminium, steel, timber, rubber, plastics, glass, cement, high molecular polymer or complex fiber material system
At for meeting the structural rigidity requirements of structure selve support intensity and working frequency range.Mass block 122c is spherical or cylindrical
Or other irregular shapes.In the present embodiment, the central area in space, i.e. film are constituted at mass block 122c with outer rim 122a
The third opening of 122b is located at the center of film 122b, and the third that mass block 122c sequentially passes through the center of two panels film 122b is opened
Mouthful.It the outer surface of mass block 122c can be with the outer surface of outer rim 122a in (also being understood as, mass block in same plane
The length of 122c extending direction is identical as the thickness of outer rim 122a), the smooth acoustic metamaterial sound insulation list of shape is consequently formed
Member 122.
Film 122b is fabricated from a flexible material, for example, rubber like elastic material or similar aluminium and aluminium alloy film gold
Belong to the high molecular polymer thin-film material of film, or similar polyvinyl chloride, polyethylene and polyetherimide etc..And thickness compared with
It is thin.Film 122b does not need to apply certain pretension, film 122b exists when connecting with outer rim 122a and mass block 122c
Assembly can be completed under free extension state.
In another embodiment, the rigidity that acoustic metamaterial acoustic insulating unit 122 may also include that two are oppositely arranged connects
Socket part 122d, two rigid connection portion 122d extend to two opposite edge of outer rim 122a by the periphery of mass block 122c,
And it is connect with outer rim 122a.And two panels film 122b, which is each formed with, to be adapted to and corresponds with two rigid connection portion 122d
Two the 4th openings, each rigid connection portion 122d sequentially passes through corresponding 4th opening of two panels film 122b, and with two
The 122b connection of piece film.Present embodiment is by using the rigid connection portion 122d tune connecting with outer rim 122a and film 122b
The bending stiffness for saving film 122b, to change the vibration frequency of acoustic metamaterial acoustic insulating unit 122.
Rigid connection portion 122d can be by aluminium, steel, timber, rubber, plastics, glass, cement, high molecular polymer or multiple
Condensating fiber material is made.
Can have using the acoustic metamaterial acoustic insulating unit 122 that film 122b and mass block 122c is constituted one or more total
Vibration frequency, on these resonant frequencies, the propagation of sound wave is obstructed significantly, the noise of compressor 130 and the certain frequency dissipated
It is absorbed by acoustic metamaterial acoustic insulating unit 122, so as to which the noise of compressor 130 in Machine Room 100 is isolated.
It can also be filled with sound-absorbing material in space between two panels film 122b.Sound-absorbing material is porous material, such as glass
Cellucotton opens closed-cell foam etc., further promotes the sound absorption energy-dissipating property of acoustic metamaterial acoustic insulating unit 122.
Mass block 122c is formed with the through-hole 122c1 with the second opening perforation, rotates in acoustic metamaterial acoustic insulating unit 122
When to closed state, the heat that 100 inner compressor 130 of Machine Room generates can be radiated by through-hole 122c1.Through-hole
The shape of 122c1 is the geometry of regular symmetric, preferably circular.
According to the working frequency of compressor 130 in Machine Room 100, the structure ginseng of acoustic metamaterial acoustic insulating unit 122 is designed
Several and material parameter.Specifically, the noise of the Machine Room of test condensation refrigerating plant, finds out the corresponding frequency f1 of peak noise,
Using f1 as the structural parameters and material parameter of isolation crest frequency design acoustic metamaterial sound insulation unit 122, re-test acoustics
Meta Materials insulate against sound the sound insulation crest frequency f2 of unit 122, seek frequency difference Δ f=| f2-f1 |, determine that frequency difference Δ f allows to miss
Poor range ε, if frequency difference Δ f is less than or equal to allowable error range ε, according to the structure of acoustic metamaterial sound insulation unit 122
Parameter and Material Design heat dissipation soundproof plate；If frequency difference Δ f is greater than allowable error range ε, need to redesign acoustics
The structural parameters and material parameter of Meta Materials sound insulation unit 132.
Specifically, acoustic metamaterial acoustic insulating unit 122 is by changing outer rim 122a, mass block 122c, rigid connection portion
The structure size or material parameter of through-hole 122c1, film 122b on 122d, mass block 122c realizes the accurate of working frequency
The noise isolation to the compressor 130 of specific frequency is realized in design.Specifically, if the thickness of film 122b is thicker, the super material of acoustics
Expect that the practical sound insulation frequency of acoustic insulating unit 122 then can be higher；If the size of outer rim 122a is bigger, the size of film 122b
Bigger, the practical sound insulation frequency for the unit that insulates against sound then can be lower；If the elasticity modulus of film 122b is bigger, acoustic metamaterial sound insulation list
The practical sound insulation frequency of member 122 then can be higher；If the pretightning force between film 122b and outer framework 131 is bigger, acoustic metamaterial
The practical sound insulation frequency of acoustic insulating unit 122 then can be higher；If the weight of mass block 122c is bigger, acoustic metamaterial acoustic insulating unit
122 practical sound insulation frequency can be lower.If also, the area that mass block 122c and film 122b phase recline is bigger, the super material of acoustics
Expect that the practical sound insulation frequency of acoustic insulating unit 122 then can be higher；The size of perforative through-hole 122c1 is bigger in mass block 122c, sound
The practical sound insulation frequency for learning Meta Materials acoustic insulating unit 122 then can be higher.
According to the working frequency of compressor 130 in Machine Room 100, outer rim in acoustic metamaterial acoustic insulating unit 122 is designed
Pretightning force, the matter of the size of 122a, the thickness of film 122b, the elasticity modulus of film 122b, film 122b and outer rim 122a
The parameters such as the weight of gauge block 122c and rigid connection portion 122d, the size of through-hole 122c1 of mass block 122c, to obtain to pressure
The acoustic metamaterial acoustic insulating unit 122 that the noise of contracting machine 140 is effectively absorbed.
The sound-proof noise reducing method of the refrigerating device of the present embodiment, refrigerating device therein have heat dissipation soundproof plate
120 driving mechanisms 140 rotated with driving heat dissipation soundproof plate 120, driving mechanism 140 drive the soundproof plate 120 that radiates to turn to pass
Closed state closes first opening 111 corresponding with compressor 130, the noise of compressor 130 is isolated；Driving mechanism 140, which drives, to be dissipated
Hot soundproof plate 120 turns to opening state, appears the first opening 111, meets the radiating requirements of compressor 130, realizes compression
The demand that the isolation of 130 noise of machine and compressor 130 radiate.Also, by detecting the temperature in 130 operational process of compressor,
The angle that heat dissipation soundproof plate 120 rotates is controlled according to 130 running temperature of compressor, while meeting the heat dissipation of compressor 130,
Isolation 130 noise of compressor is taken into account, the heat dissipation of the noise isolation and compressor 130 of compressor 130 is balanced, improves compressor
130 runnability, improves user experience.
Further, out of service in compressor 130 in the sound-proof noise reducing method of the refrigerating device of the present embodiment
When, heat dissipation soundproof plate 120 is opened to maximum angle, increases the heat dissipation of compressor 130 in maximum efficiency.Also, in compressor 130
After out of service, when the natural temperature of compressor 130 drops to second temperature threshold value, heat dissipation soundproof plate 120 is turned to completely
It closes, prevents unidentified organism from entering Machine Room 100 and destroy the components such as compressor 130.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (10)
1. a kind of sound-proof noise reducing method of refrigerating device, the refrigerating device include:
Cabinet, rear lower have Machine Room, are disposed with compressor in the Machine Room, the Machine Room is by multiple panel combinations
It forms, at least one described panel position corresponding with the compressor is formed with the first opening；
At least one heat dissipation soundproof plate and driving mechanism, at least one described heat dissipation soundproof plate are set to first opening,
It is configured to be driven by the driving mechanism and rotate, to open or close first opening；
The described method includes:
The temperature in the compressor operational process is detected, the compressor running temperature is obtained；
When the compressor running temperature reaches the first temperature threshold, start the driving mechanism, drive it is described at least one
The soundproof plate that radiates rotates, to appear first opening；
The angle that the driving mechanism drives at least one heat dissipation soundproof plate rotation is controlled according to the compressor running temperature
Degree.
2. sound-proof noise reducing method according to claim 1, further includes:
When the compressor is out of service, controls the driving mechanism and at least one described heat dissipation soundproof plate is driven to open to most
Wide-angle.
3. sound-proof noise reducing method according to claim 2, after the compressor is out of service, further includes:
Detect the compressor it is out of service after temperature, obtain the compressor natural temperature；
When the compressor natural temperature reaches second temperature threshold value, control the driving mechanism drive it is described at least one dissipate
Hot soundproof plate is closed.
4. a kind of refrigerating device, comprising:
Cabinet, rear lower have Machine Room, are disposed with compressor in the Machine Room, the Machine Room is by multiple panel combinations
It forms, at least one described panel position corresponding with the compressor is formed with the first opening；
At least one heat dissipation soundproof plate and driving mechanism, at least one described heat dissipation soundproof plate are set to first opening,
It is configured to be driven by the driving mechanism and rotate, to open or close first opening；
Temperature sensor is configured to detect the temperature in the compressor operational process, to obtain the compressor running temperature；
Controller is configured to start the driving mechanism when the compressor running temperature reaches the first temperature threshold, drives
At least one described heat dissipation soundproof plate rotation, to appear first opening；And it is configured to according to the compressor running temperature
Control the angle that the driving mechanism drives at least one heat dissipation soundproof plate rotation.
5. refrigerating device according to claim 4, wherein
The controller is additionally configured to when the compressor is out of service, controls at least one described in the driving mechanism drive
Heat dissipation soundproof plate is opened to maximum angle.
6. refrigerating device according to claim 5, wherein
The temperature sensor be additionally configured to detect the compressor it is out of service after temperature, obtain the compressor natural epidemic disaster in booth
Degree；
The controller is additionally configured to control the driving mechanism when the compressor natural temperature reaches second temperature threshold value
At least one described heat dissipation soundproof plate is driven to close.
7. refrigerating device according to claim 4, wherein
Each heat dissipation soundproof plate include it is multiple along the acoustic metamaterials successively arranged of heat dissipation soundproof plate extending direction every
Sound unit.
8. refrigerating device according to claim 7, wherein each acoustic metamaterial acoustic insulating unit includes:
Outer rim, there are two the second opposite openings for tool, and second opening is opposite with first opening；
Mass block and two panels film, the two panels film be respectively overlay in two it is described second opening on, with the outer rim
Closed space is constituted, the two panels film is formed with opposite third opening, and it is thin that the mass block sequentially passes through the two panels
The third of film is open, and connect with the two panels film.
9. refrigerating device according to claim 8, wherein each acoustic metamaterial acoustic insulating unit further include:
Two rigid connection portions being oppositely arranged, described two rigid connection portions are extended to described outer by the periphery of the mass block
Two opposite edge of frame, and connect with the outer rim；And
The two panels film be each formed be adapted to described two rigid connection portions and it is one-to-one two the 4th opening, each
The rigid connection portion sequentially passes through corresponding 4th opening of the two panels film, and connect with the two panels film；
The mass block is formed with the through-hole with the second opening perforation, in order to when closing the Machine Room, the machine
Tool room is in communication with the outside by the through-hole, consequently facilitating the heat dissipation of the compressor.
10. refrigerating device according to claim 8, wherein each acoustic metamaterial acoustic insulating unit further include:
Sound-absorbing material is filled in the space of described two diaphragms and outer rim composition.
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| CN201710995645.7A CN109695997A (en) | 2017-10-23 | 2017-10-23 | Refrigerating device and its sound-proof noise reducing method |
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| CN201710995645.7A CN109695997A (en) | 2017-10-23 | 2017-10-23 | Refrigerating device and its sound-proof noise reducing method |
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| CN205919600U (en) * | 2016-05-20 | 2017-02-01 | 青岛海尔股份有限公司 | Cold -stored refrigeration device |
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| KR20020013327A (en) * | 2000-08-14 | 2002-02-20 | 구자홍 | The heat radiant structure for machine-room of refrigerators |
| CN1801039A (en) * | 2004-12-31 | 2006-07-12 | 技嘉科技股份有限公司 | Low-noise heat radiation method and apparatus for computer mainframe |
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Application publication date: 20190430 |