CN112455302A - Refrigerator noise reduction method and refrigerator noise reduction system - Google Patents
Refrigerator noise reduction method and refrigerator noise reduction system Download PDFInfo
- Publication number
- CN112455302A CN112455302A CN202011471921.8A CN202011471921A CN112455302A CN 112455302 A CN112455302 A CN 112455302A CN 202011471921 A CN202011471921 A CN 202011471921A CN 112455302 A CN112455302 A CN 112455302A
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- refrigerator
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- noise reduction
- automobile
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005057 refrigeration Methods 0.000 claims description 10
- 230000001934 delay Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 6
- 239000011358 absorbing material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
- B60N3/10—Arrangements or adaptations of other passenger fittings, not otherwise provided for of receptacles for food or beverages, e.g. refrigerated
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
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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
- F25D29/00—Arrangement or mounting of control or safety devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a refrigerator noise reduction method and a refrigerator noise reduction system, wherein the refrigerator noise reduction method and the refrigerator noise reduction system control the refrigerator to be in a first state or a second state with working noise larger than the first state by judging whether personnel exist around the refrigerator, a compressor or a compressor bin does not need to be wrapped by sound absorption materials, and an air duct does not need to be specially designed, so that the practicability is high.
Description
Technical Field
The invention belongs to the technical field of electric appliances, and particularly relates to a refrigerator noise reduction method and a refrigerator noise reduction system.
Background
The main noise sources of the current vehicle-mounted refrigerator are compressor noise and fan noise. In order to control the noise of the compressor, the compressor or the compressor housing is generally wrapped with sound absorbing material, and in order to control the noise of the fan, the fan with low noise is generally selected or the air duct design is optimized.
When the sound-absorbing material is used for reducing noise, the sound-absorbing material needs to occupy a larger space, so that the effective volume of the refrigerator is reduced, and the use space of a client is reduced. The sound-absorbing material is used for wrapping the compressor or the compressor bin, so that heat dissipation of the compressor is greatly affected, the heat dissipation of the compressor is poor, the refrigerating capacity of the refrigerator is poor, the refrigerating capacity is lost even in partial environment, and the main function of the vehicle-mounted refrigerator is reduced or even lost. Meanwhile, the problem of noise cannot be completely solved by using the sound-absorbing material, noise of partial frequency band can be reduced, and a user still can be influenced by the noise in the process of starting the automobile and driving.
When the noise of the refrigerator is reduced through fan selection, the air volume of a low-noise fan is generally reduced, so that the heat dissipation capacity of the refrigerator is influenced, the refrigerating capacity is poor, and the main functions of the refrigerator are influenced. The fan with large air volume and low noise has high purchase cost, can increase the overall cost of the refrigerator and has low cost performance. To the noise that reduces the refrigerator through the wind channel design, the wind channel design often can influence the whole aesthetic property of refrigerator, has certain influence to the volume of refrigerator simultaneously.
Disclosure of Invention
In order to solve the above problem, firstly, the invention provides a refrigerator noise reduction method, in which a control terminal electrically connected to a refrigerator is provided, and the refrigerator is controlled by the control terminal in at least one of the following ways:
the method A is that when the control end detects that no person exists in a set area or no person exists in set time limit in an automatic detection mode, the refrigerator is automatically switched from a first state to a second state with working noise larger than the first state for refrigeration;
and B, when the control end is unmanned in a set area or a set time limit, the refrigerator is switched from a first state to a second state with working noise higher than that of the first state in a manual starting mode to refrigerate.
Further, in the mode a, the control terminal is an automobile, when the automobile detects that a person is in the automobile, a first electric signal is sent to the refrigerator, the refrigerator enters the first state, when the automobile detects that no person is in the automobile, a second electric signal is sent to the refrigerator, and the refrigerator enters the second state.
Furthermore, the refrigerator delays for a set time length when receiving the second electric signal, enters the second state when not receiving the first electric signal all the time in the delay period, and keeps the first state when receiving the first electric signal in the delay period.
Furthermore, the time delay is set when the automobile detects that no person is in the automobile, the second electric signal is sent to the refrigerator when no person is detected in the automobile all the time during the time delay, so that the refrigerator enters the second state, and the first electric signal is sent to the refrigerator when the person is detected in the automobile during the time delay, so that the refrigerator is kept in the first state.
Further, the refrigerator is automatically switched to the second state when being continuously maintained at the first state setting time.
Further, the refrigerator is powered by the automobile.
Further, the refrigerator is provided with a power supply.
Further, the first state is a standby state, and the second state is a working state of refrigeration starting.
Further, the first state and the second state are both cooling working states, and the power of the refrigerator in the second state is higher than that in the first state.
In addition, the invention also provides a refrigerator noise reduction system, which comprises:
the refrigerator is provided with a first state and a second state, the refrigerator carries out refrigeration when being in the second state, and the working noise is larger than that of the refrigerator when being in the first state;
and the control end is electrically connected with the refrigerator and used for controlling the refrigerator to be switched from the first state to the second state in a set state.
The invention has the following beneficial effects:
when the mode A is adopted for controlling the refrigerator, the refrigerator can be kept in the first state when people exist, and then is switched to the second state for refrigerating with larger power when no people exist. Similarly, when the mode B is adopted for control, the refrigerator is manually switched to the second state, and obviously, the user should leave the refrigerator at the moment or think that the noise of the refrigerator in the second state does not affect the user, so the refrigerator has the advantages and is high in practicability.
Drawings
The invention is further illustrated with reference to the following figures and examples:
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Referring to fig. 1, the present invention provides a refrigerator noise reduction method, wherein a control terminal 200 electrically connected to a refrigerator 100 is provided, and the refrigerator 100 is controlled by the control terminal 200 in a manner a, specifically, when the control terminal 200 detects that no person is in a set area or no person is in a set time limit, the control terminal 200 automatically switches the refrigerator 100 from a first state to a second state with higher operating noise than the first state for cooling.
When the mode A is adopted to control the refrigerator 100, the refrigerator 100 can be kept in the first state with low noise when people exist, and the refrigerator is switched to the second state to perform high-power refrigeration when no people exist. Wherein the first state may be either a standby state or a state of low power (i.e. lower operating power than the second state) operation.
When the refrigerator 100 is an in-vehicle refrigerator, in the mode a, the control terminal 200 is correspondingly configured as an automobile, and sends a first electric signal to the refrigerator 100 when the automobile detects that there is a person in the automobile, the refrigerator 100 enters a first state, and sends a second electric signal to the refrigerator 100 when the automobile detects that there is no person in the automobile, and the refrigerator 100 enters a second state.
Because the existing automobile basically has the function of judging whether the personnel exist in the automobile, when the automobile judges whether the personnel exist in the automobile, the system of the automobile can be directly used for judging, and the signals are correspondingly given only when the judgment result is obtained.
In addition, a human body sensing device such as an infrared detector, which is disclosed in the prior art, may be provided in the vehicle, and the presence or absence of a person in the vehicle may be determined by the human body sensing device, so as to provide the electric signal. The judgment can also be performed by detecting whether the automobile is moving, for example, when the automobile is moving, people are inevitably in the automobile, and when the automobile is not moving, people are not in the automobile generally, and certainly, the automobile is not absolutely unmanned when the automobile is stopped, but the judgment does not need absolute accuracy, and a certain error can exist. The specific detection and judgment mode can be flexibly set based on the prior art, and is not described herein too much.
Further, the refrigerator 100 delays to set a time length when receiving the second electrical signal, enters the second state when not receiving the first electrical signal all the time during the delay, and continues to maintain the first state when receiving the first electrical signal within the delay time.
The setting can avoid directly entering the second state to influence the personnel in the automobile when the traffic lights of the automobile and the like stop. The delay time can be flexibly set, such as 60 seconds, 30 seconds and the like.
In addition, the method can also be realized by the way that the control terminal 200 transmits the electric signal in a delayed manner. For example, the time delay setting time length when the automobile detects that no person is in the automobile is delayed, the second electric signal is sent to the refrigerator 100 to enable the refrigerator 100 to enter the second state when the time delay period does not detect that a person is in the automobile all the time, and the first electric signal is sent to the refrigerator 100 to enable the refrigerator 100 to keep the first state when the time delay period detects that a person is in the automobile. This also enables the aforementioned functions to be achieved.
Further, the refrigerator 100 automatically switches to the second state while continuously being maintained at the first state setting for a long time. Since the refrigerator 100 has a certain heat preservation time period, and when the heat preservation time period is exceeded, the goods in the refrigerator 100 lose the refrigeration effect, the present embodiment can avoid the loss of the refrigeration effect of the refrigerated goods by automatically entering the setting of the second state after the refrigerator 100 keeps the first state for the set time period. Also, the set time period can be flexibly set, and is not particularly limited herein.
Further, the refrigerator 100 needs to be powered on when it needs to be kept in standby or automatically controlled, and power can be supplied to the vehicle when the control terminal 200 is the vehicle. The power supply can be additionally configured to supply power.
In order to ensure the best noise reduction effect, the first state is preferably set to a standby state, and the second state is preferably an operation state in which cooling is started.
In addition, the first state and the second state may be set to the cooling operation state, and the power of the refrigerator 100 in the second state is higher than that in the first state, thereby ensuring that the noise of the first state is small.
In addition to the above-mentioned automatic control method, a method B may be adopted, specifically, the control terminal 200 switches the refrigerator 100 from the first state to the second state with higher operating noise than the first state for cooling in a manual starting manner when no person is in the set area or no person is in the set time limit. Thus, the refrigerator 100 is manually switched to the second state through the manual starting mode, and obviously, the user should leave the refrigerator or determines that the noise of the refrigerator 100 in the second state does not affect the user, so that the refrigerator 100 has the advantages and is high in practicability.
It can be understood that the refrigerator noise reduction method is suitable for both vehicle-mounted refrigerators and household refrigerators.
In addition, the invention also provides a refrigerator noise reduction system, which comprises:
the refrigerator 100, the refrigerator 100 has a first state and a second state, the refrigerator 100 performs cooling when in the second state, and the working noise is larger than the noise of the refrigerator 100 when in the first state;
the control terminal 200 is electrically connected to the refrigerator 100, and configured to control the refrigerator 100 to switch from the first state to the second state in a set state. The setting of the first state and the second state can refer to the setting of the foregoing embodiment, and the control terminal 200 can be set to the structural form of automatic detection control or manual control according to the foregoing embodiment.
The refrigerator noise reduction system provided by the invention controls the refrigerator 100 to keep the first state when people around the refrigerator 100 are judged, and the refrigerator 100 enters the second state when no people exist, so that a compressor or a compressor bin is not required to be wrapped by a sound absorption material, and a special design for an air channel is not required, and the practicability is high.
The above examples are only preferred embodiments of the present invention, and other embodiments of the present invention are possible. Those skilled in the art can make equivalent changes or substitutions without departing from the spirit of the present invention, and such equivalent changes or substitutions are included in the scope set forth in the claims of the present application.
Claims (10)
1. The refrigerator noise reduction method is characterized in that a control end electrically connected with a refrigerator is arranged, and the refrigerator is controlled by the control end in at least one of the following modes:
the method A is that when the control end detects that no person exists in a set area or no person exists in set time limit in an automatic detection mode, the refrigerator is automatically switched from a first state to a second state with working noise larger than the first state for refrigeration;
and B, when the control end is unmanned in a set area or a set time limit, the refrigerator is switched from a first state to a second state with working noise higher than that of the first state in a manual starting mode to refrigerate.
2. The noise reduction method for a refrigerator according to claim 1, wherein: in the mode a, the control end is an automobile, when the automobile detects that a person is in the automobile, a first electric signal is sent to the refrigerator, the refrigerator enters the first state, when the automobile detects that no person is in the automobile, a second electric signal is sent to the refrigerator, and the refrigerator enters the second state.
3. The noise reduction method for a refrigerator according to claim 2, wherein: the refrigerator delays for a set time length when receiving the second electric signal, enters the second state when not receiving the first electric signal all the time in the delay period, and keeps the first state when receiving the first electric signal in the delay period.
4. The noise reduction method for a refrigerator according to claim 2, wherein: and when the automobile detects that no person is in the automobile, setting time duration, sending the second electric signal to the refrigerator to enable the refrigerator to enter the second state when no person is detected in the automobile all the time during the time delay, and sending the first electric signal to the refrigerator to enable the refrigerator to keep the first state when a person is detected in the automobile during the time delay.
5. The noise reduction method for a refrigerator according to claim 2, wherein: and when the refrigerator is continuously kept at the first state for a long time, automatically switching to the second state.
6. The noise reduction method for a refrigerator according to claim 2, wherein: the refrigerator is powered by the vehicle.
7. The noise reduction method for a refrigerator according to claim 1, wherein: the refrigerator is provided with a power supply.
8. The noise reduction method for a refrigerator according to any one of claims 1 to 7, wherein: the first state is a standby state, and the second state is a refrigeration starting working state.
9. The noise reduction method for a refrigerator according to any one of claims 1 to 7, wherein: the first state and the second state are both refrigeration working states, and the power of the refrigerator in the second state is higher than that in the first state.
10. A refrigerator noise reduction system, comprising:
the refrigerator is provided with a first state and a second state, the refrigerator carries out refrigeration when being in the second state, and the working noise is larger than that of the refrigerator when being in the first state;
and the control end is electrically connected with the refrigerator and used for controlling the refrigerator to be switched from the first state to the second state in a set state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011471921.8A CN112455302A (en) | 2020-12-14 | 2020-12-14 | Refrigerator noise reduction method and refrigerator noise reduction system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011471921.8A CN112455302A (en) | 2020-12-14 | 2020-12-14 | Refrigerator noise reduction method and refrigerator noise reduction system |
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| Publication Number | Publication Date |
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| CN112455302A true CN112455302A (en) | 2021-03-09 |
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| CN202011471921.8A Pending CN112455302A (en) | 2020-12-14 | 2020-12-14 | Refrigerator noise reduction method and refrigerator noise reduction system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114593556A (en) * | 2022-03-17 | 2022-06-07 | 蔚来汽车科技(安徽)有限公司 | Vehicle-mounted refrigerator control method, storage medium and vehicle |
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2020
- 2020-12-14 CN CN202011471921.8A patent/CN112455302A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106288641A (en) * | 2016-08-29 | 2017-01-04 | 合肥美菱股份有限公司 | A kind of based on infrared refrigerator noise-reduction method |
| JP2018194193A (en) * | 2017-05-12 | 2018-12-06 | シャープ株式会社 | Controller, refrigerator, refrigeration system, control method, and control program |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114593556A (en) * | 2022-03-17 | 2022-06-07 | 蔚来汽车科技(安徽)有限公司 | Vehicle-mounted refrigerator control method, storage medium and vehicle |
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