CN1382952A - Method for reducing refrigerator noise at night and its light controlled refrigerator - Google Patents
Method for reducing refrigerator noise at night and its light controlled refrigerator Download PDFInfo
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- CN1382952A CN1382952A CN 01115390 CN01115390A CN1382952A CN 1382952 A CN1382952 A CN 1382952A CN 01115390 CN01115390 CN 01115390 CN 01115390 A CN01115390 A CN 01115390A CN 1382952 A CN1382952 A CN 1382952A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims description 41
- 238000005057 refrigeration Methods 0.000 claims description 15
- 238000013461 design Methods 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000006870 function Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
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- 238000013519 translation Methods 0.000 description 2
- 208000013738 Sleep Initiation and Maintenance disease Diseases 0.000 description 1
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Abstract
A method for reducing noise of refrigerator at night and its light controlled refrigerator are disclosed. A light brightness/voltage converter is used for outputting a voltage changed with light brightness to control the rotation speed of compressor. On the day, the rotation speed of compressor is controlled by the difference between actual temp and a temp setting. At night the rotation speed of compressor is low speed under the control of said converter.
Description
The present invention relates to a kind of household electrical appliance, relate to a kind of method and light-operated refrigerator thereof that refrigerator starts noise night that be used to reduce or rather.
The common refrigerator that existing market is sold all is to control the start and stop refrigeration of compressor by the attemperating unit of being made up of temperature sensor and temperature controller is installed in refrigerator, and refrigerator is operated in the range of set temperature.
Novel variable frequency refrigerator, its main control circuit mainly include CPU (MPU), variable frequency drive unit and the frequency-changeable compressor of temperature monitoring unit, band mould/number conversion function.CPU (MPU) drives the rotation speed change of controlling frequency-changeable compressor according to the temperature regime in the refrigerator through variable frequency drive unit, realizes the control of refrigeration and temperature.If the actual temperature in the refrigerator and the temperature of setting differ bigger, then make frequency-changeable compressor run up, reach the effect of temperature in the quick reduction refrigerator; If the actual temperature in the refrigerator and the temperature of setting differ less, then make frequency-changeable compressor with middle low-speed running.
But no matter refrigerator is with what principle work, because the start and stop of compressor and cold-producing medium flowing in refrigeration system, the capital produces bigger noise, unmanned in the more noisy most of in addition family of surrounding environment on daytime, people are also outstanding to the sensation of this noise, but in the dead of night night, then some can not make us tolerance, especially at refrigerator under the very near situation in bedroom, the refrigerator noise can have a strong impact on people's rest, sleep, especially makes the insomnia patients worry.
The objective of the invention is to design a kind of method and light-operated refrigerator thereof that reduces the refrigerator noise at night, refrigerator was worked under normal noise states in the time except that night, but then automatically operate under the low noise state at night, for people provide a relatively quietly sleep environment.
The technical scheme that realizes the object of the invention is such: a kind of method that reduces the refrigerator noise at night is characterized in that comprising:
A brightness/voltage conversion device is set, output voltage brightness with the refrigerator surrounding environment in a scope of this device is changed; Utilize the duty of the output voltage control compressor for refrigeration of this brightness/voltage conversion device.
The described duty of the output voltage control compressor for refrigeration of brightness/voltage conversion device of utilizing further comprises: a setting value is set in the output voltage range of brightness/voltage conversion device, when the output voltage of brightness/voltage conversion device is in a side that sets value in this voltage range, compressor for refrigeration is done at a high speed or middling speed or low-speed running by the difference size of refrigerator actual temperature and design temperature; When the output voltage of brightness/voltage conversion device is in the opposite side that sets value in this voltage range, compressor for refrigeration is only turned round by the slow-speed of revolution.
Described when compressor for refrigeration only turn round by the slow-speed of revolution, and the size of the difference between refrigerator actual temperature and design temperature has nothing to do.
Described high speed, middling speed, low speed are high speed, middling speed and the low speed in the described compressor for refrigeration rated speed scope.
Assert it is daytime when described output voltage at brightness/voltage conversion device is in a side that sets value in this voltage range, when the output voltage of brightness/voltage conversion device is in the opposite side that sets value in this voltage range, assert it is night.
The technical scheme that realizes the object of the invention can also be such: a kind of light-operated refrigerator that reduces the refrigerator noise at night, comprise the temperature monitoring unit that is linked in sequence, CPU, variable frequency drive unit and the frequency-changeable compressor of band mould/number conversion function, it is characterized in that: also include brightness/voltage conversion device, be connected with a mould/number conversion input port of described CPU.
Described brightness/voltage conversion device connects difference amplifier by difference current potential input circuit and constitutes; Described difference current potential input circuit is a bridge circuit, contains a light-sensitive element at least on a bridge arm.
Described light-sensitive element is a photo resistance, and described bridge circuit connects into electric bridge by first resistance, second resistance, the 3rd resistance and photo resistance and constitutes, and the difference current potential output of electric bridge connects the difference current potential input of described difference amplifier.
Described brightness/voltage conversion device is arranged between the panel at refrigerator top, is provided with transparent or semitransparent window between light-sensitive element in brightness/voltage conversion device and refrigerator.
A kind of method and light-operated refrigerator thereof that reduces the refrigerator noise at night of the present invention, by brightness/voltage conversion device is set on refrigerator, the duty that can make freezer compressor changes with the brightness of refrigerator surrounding environment, when around daytime or the refrigerator light-illuminating being arranged, the work of refrigerator maintains the original state, promptly according to the difference between actual temperature in the refrigerator and design temperature size automatic control compressor with original running speed action (at a high speed or middling speed or low speed), but when not having light-illuminating around night or the refrigerator, the duty of refrigerator changes automatically, promptly no matter the difference between interior actual temperature of refrigerator and design temperature is big or little, all with automatic control compressor being lower than original running speed action (low speed), thereby obviously reduced the running noise at night of refrigerator.
Show after tested: its noise can drop to 3439dB (A) from 39dB (A), has reduced 5dB (A), and effect still clearly.
Further specify technology of the present invention below in conjunction with embodiment and accompanying drawing.
Fig. 1 is light-operated frequency conversion refrigerator electrical schematic diagram.
Fig. 2 is light-operated frequency conversion refrigerator perspective view.
Referring to Fig. 1, a light-operated variable frequency refrigerator electricity theory structure shown in the figure.Wherein, master board 5 and on the CPU MPU, variable frequency drive unit 6, frequency-changeable compressor 4 of band mould/number (A/D) translation function and the temperature monitoring unit (should be connected) that does not illustrate in the drawings with the CPU MPU of band mould/number (A/D) translation function be the existing part that has variable frequency refrigerator now, the present invention is connected by brightness voltage conversion equipment 2 being set and changing the input port with the mould/number (A/D) of CPU MPU, and this variable frequency refrigerator is transformed into a light-operated variable frequency refrigerator.
Brightness/voltage conversion device 2 connects difference amplifier by difference current potential input circuit and constitutes, difference current potential input circuit wherein is a bridge circuit that is connected and composed by standard resistance resistance R 1, R2, R3 and photo resistance RL, and this photo resistance also can be a photosensitive tube.The resistance of this light-sensitive element changes with the variation of its ambient light brightness, can reach tens K ohms as its resistance under at dark surrounds, and will change to below a few K ohms in its resistance under the bright environment, thereby the mid point difference current potential of bridge circuit is changed.The mid point difference current potential of bridge circuit is connected to the input of difference amplifier A, and its difference current potential is amplified to 0 ∽ 5V, delivers to a mould/number (A/D) the conversion input port of CPU MPU then and carries out mould/number conversion, as carry out 8 mould/number conversions.
Because the brightness level maximum can reach 256 grades, actual service conditions if do the equivalence design by 0.7, then can reach 180 grades down, and this resolution ratio of 1/180 fully can be to the fine day in daytime, cloudy day, very cloudy sky, at dusk and distinguish identification night.As selecting a value, as 80, when the value after A/D conversion 〉=80, we regard it as daytime, press original normal condition work by the software control frequency-changeable compressor among the CPU MPU 4, promptly when temperature in the refrigerator and design temperature differed big, master control borad 5 ran up frequency-changeable compressor 4 by communication line order variable frequency drive unit 6 by the mode of running up; And in the refrigerator temperature and design temperature differ than hour, master control borad 5 by communication line order variable frequency drive unit 6 by middling speed or low-speed running mode make frequency-changeable compressor 4 with in or low-speed running.In case enter night.When the value after A/D conversion＜80, we regard it as night, then no matter in the refrigerator temperature and design temperature differ big or than hour, master control borad 5 is worked by the low-speed running mode by communication line order variable frequency drive unit 6, makes frequency-changeable compressor 4 with low-speed running.Thereby variable frequency refrigerator is descended significantly at the operating noise at night, can enjoy a real quietly sleep environment.
Referring to Fig. 2, brightness/voltage conversion device 2 can be arranged in the middle of the top panel of refrigerator 1, around light-sensitive element 3 a transparent or semitransparent window should be set, not only light-permeable but also can protect light-sensitive element 3.
In sum, method and apparatus of the present invention, make the duty of refrigerator have light control functionality by brightness/voltage conversion device is set, promptly according to gap between actual temperature and design temperature size control frequency-changeable compressor do high, medium and low speed running by the normal condition temperature control daytime; At night, no matter then the gap size between actual temperature and design temperature, the control frequency-changeable compressor is unified press low-speed running, reaches the work at night purpose of noise of reduction refrigerator.
Claims (10)
1. method that can reduce the refrigerator noise at night is characterized in that comprising:
A brightness/voltage conversion device is set, output voltage brightness with the refrigerator surrounding environment in a scope of this device is changed; Utilize the duty of the output voltage control compressor for refrigeration of this brightness/voltage conversion device.
2. a kind of method that reduces the refrigerator noise at night according to claim 1, it is characterized in that the described duty of the output voltage control compressor for refrigeration of brightness/voltage conversion device of utilizing further comprises: a setting value is set in the output voltage range of brightness/voltage conversion device, when the output voltage of brightness/voltage conversion device is in a side that sets value in this voltage range, compressor for refrigeration is done at a high speed or middling speed or low-speed running by the difference size of refrigerator actual temperature and design temperature; When the output voltage of brightness/voltage conversion device is in the opposite side that sets value in this voltage range, compressor for refrigeration is only turned round by the slow-speed of revolution.
3. a kind of method that reduces the refrigerator noise at night according to claim 2 is characterized in that: described when compressor for refrigeration only turn round by the slow-speed of revolution, and the size of the difference between refrigerator actual temperature and design temperature has nothing to do.
4. a kind of method that reduces the refrigerator noise at night according to claim 2 is characterized in that: described high speed, middling speed, low speed are high speed, middling speed and the low speed in the described compressor for refrigeration rated speed scope.
5. a kind of method that reduces the refrigerator noise at night according to claim 2, it is characterized in that: assert it is daytime when described output voltage at brightness/voltage conversion device is in a side that sets value in this voltage range, when the output voltage of brightness/voltage conversion device is in the opposite side that sets value in this voltage range, assert it is night.
6. light-operated refrigerator that can reduce the refrigerator noise at night, comprise the temperature monitoring unit that is linked in sequence, CPU, variable frequency drive unit and the frequency-changeable compressor of band mould/number conversion function, it is characterized in that: also include brightness/voltage conversion device, be connected with a mould/number conversion input port of described CPU.
7. a kind of light-operated refrigerator that reduces the refrigerator noise at night according to claim 6 is characterized in that: described brightness/voltage conversion device connects difference amplifier by difference current potential input circuit and constitutes; Described difference current potential input circuit is a bridge circuit, contains a light-sensitive element at least on a bridge arm.
8. a kind of light-operated refrigerator that reduces the refrigerator noise at night according to claim 7, it is characterized in that: described light-sensitive element is a photo resistance, described bridge circuit connects into electric bridge by first resistance, second resistance, the 3rd resistance and photo resistance and constitutes, and the difference current potential output of electric bridge connects the difference current potential input of described difference amplifier.
9. according to claim 6 or 7 described a kind of light-operated refrigerators that reduce the refrigerator noise at night, it is characterized in that: described brightness/voltage conversion device is arranged between the panel at refrigerator top.
10. a kind of light-operated refrigerator that reduces the refrigerator noise at night according to claim 9 is characterized in that: be provided with transparent or semitransparent window between light-sensitive element in described brightness/voltage conversion device and refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01115390 CN1216263C (en) | 2001-04-25 | 2001-04-25 | Method for reducing refrigerator noise at night and its light controlled refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01115390 CN1216263C (en) | 2001-04-25 | 2001-04-25 | Method for reducing refrigerator noise at night and its light controlled refrigerator |
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| Publication Number | Publication Date |
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| CN1382952A true CN1382952A (en) | 2002-12-04 |
| CN1216263C CN1216263C (en) | 2005-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01115390 Expired - Fee Related CN1216263C (en) | 2001-04-25 | 2001-04-25 | Method for reducing refrigerator noise at night and its light controlled refrigerator |
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| CN (1) | CN1216263C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175068A (en) * | 2011-01-14 | 2011-09-07 | 合肥美的荣事达电冰箱有限公司 | Method for reducing noise at night for refrigerating device and device |
| CN103411383A (en) * | 2013-08-30 | 2013-11-27 | 合肥美的电冰箱有限公司 | Refrigerator control method |
| CN105180589A (en) * | 2015-10-27 | 2015-12-23 | 合肥美的电冰箱有限公司 | Refrigerator control method and controller |
| CN105222513A (en) * | 2015-10-27 | 2016-01-06 | 合肥美的电冰箱有限公司 | The noise control method of refrigerator and refrigerator |
| CN105627647A (en) * | 2016-02-26 | 2016-06-01 | 合肥美菱股份有限公司 | Automatic silent refrigerator with inverter and running control method of automatic silent refrigerator with inverter |
| CN105806002A (en) * | 2016-04-30 | 2016-07-27 | 安徽朗格暖通设备有限公司 | Control method for refrigerator freezing chamber refrigeration and refrigerator |
| CN108022559A (en) * | 2018-01-03 | 2018-05-11 | 上海中航光电子有限公司 | A kind of photosensitive detection module, light source module group and electrophoretic display apparatus |
| CN109682161A (en) * | 2018-11-29 | 2019-04-26 | 佛山市百益德电器科技有限公司 | A kind of Fresh Juice vending machine frequency conversion refrigeration control method and its system |
| CN109827379A (en) * | 2019-01-29 | 2019-05-31 | 长虹美菱股份有限公司 | A kind of wide revolving speed motor control method applied to refrigerator |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4015265B1 (en) | 2020-12-18 | 2024-08-28 | Carrier Corporation | Transport refrigeration systems |
-
2001
- 2001-04-25 CN CN 01115390 patent/CN1216263C/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175068A (en) * | 2011-01-14 | 2011-09-07 | 合肥美的荣事达电冰箱有限公司 | Method for reducing noise at night for refrigerating device and device |
| CN103411383A (en) * | 2013-08-30 | 2013-11-27 | 合肥美的电冰箱有限公司 | Refrigerator control method |
| CN105180589A (en) * | 2015-10-27 | 2015-12-23 | 合肥美的电冰箱有限公司 | Refrigerator control method and controller |
| CN105222513A (en) * | 2015-10-27 | 2016-01-06 | 合肥美的电冰箱有限公司 | The noise control method of refrigerator and refrigerator |
| CN105180589B (en) * | 2015-10-27 | 2018-05-11 | 合肥美的电冰箱有限公司 | A kind of controlling method for refrigerator and controller |
| CN105222513B (en) * | 2015-10-27 | 2018-02-13 | 合肥美的电冰箱有限公司 | The noise control method of refrigerator and refrigerator |
| CN105627647B (en) * | 2016-02-26 | 2017-10-03 | 合肥美菱股份有限公司 | A kind of automatic mute frequency conversion refrigerator and its progress control method |
| CN105627647A (en) * | 2016-02-26 | 2016-06-01 | 合肥美菱股份有限公司 | Automatic silent refrigerator with inverter and running control method of automatic silent refrigerator with inverter |
| CN105806002B (en) * | 2016-04-30 | 2017-12-29 | 佛山市顺德区冠育电器有限公司 | A kind of control method and refrigerator of freezer compartment of refrigerator refrigeration |
| CN105806002A (en) * | 2016-04-30 | 2016-07-27 | 安徽朗格暖通设备有限公司 | Control method for refrigerator freezing chamber refrigeration and refrigerator |
| CN108022559A (en) * | 2018-01-03 | 2018-05-11 | 上海中航光电子有限公司 | A kind of photosensitive detection module, light source module group and electrophoretic display apparatus |
| US10649250B2 (en) | 2018-01-03 | 2020-05-12 | Shanghai Avic Optoelectronics Co., Ltd. | Photosensitive detection module, light source module and electrophoresis display apparatus |
| CN109682161A (en) * | 2018-11-29 | 2019-04-26 | 佛山市百益德电器科技有限公司 | A kind of Fresh Juice vending machine frequency conversion refrigeration control method and its system |
| CN109827379A (en) * | 2019-01-29 | 2019-05-31 | 长虹美菱股份有限公司 | A kind of wide revolving speed motor control method applied to refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1216263C (en) | 2005-08-24 |
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