CN202813945U - Multi-door frost-free refrigerator with organic combination of variable frequency technique and variable air volume technique - Google Patents
Multi-door frost-free refrigerator with organic combination of variable frequency technique and variable air volume technique Download PDFInfo
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- CN202813945U CN202813945U CN2012204425469U CN201220442546U CN202813945U CN 202813945 U CN202813945 U CN 202813945U CN 2012204425469 U CN2012204425469 U CN 2012204425469U CN 201220442546 U CN201220442546 U CN 201220442546U CN 202813945 U CN202813945 U CN 202813945U
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000005057 refrigeration Methods 0.000 claims abstract description 30
- 238000005516 engineering process Methods 0.000 claims description 10
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- 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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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model discloses a multi-door frost-free refrigerator with the organic combination of a variable frequency technique and a variable air volume technique. The multi-door frost-free refrigerator with the organic combination of the variable frequency technique and the variable air volume technique comprises a cold storage chamber, a variable temperature chamber, a freezing chamber, a refrigerating system, an airway, a variable frequency compressor, a direct current fan motor and a control system, wherein the cold storage chamber is independently provided with a cold storage chamber air door, as well as the variable temperature chamber is independently provided with a variable temperature chamber air door; cold air output by the refrigerating system is transmitted to each chamber through the airway; and the amount of refrigeration output by the refrigerating system, the rotation speed of the direct current fan motor and the openness/closeness of the cold storage chamber air door and the variable temperature chamber air door are controlled by the control system in a joint way. The multi-door frost-free refrigerator with the organic combination of the variable frequency technique and the variable air volume technique can enable the variable frequency compressor to be availably matched with a suitable fan rotation speed in the case of various refrigeration output, so that a whole air circulating system can be enabled to obtain rational air amount and air pressure; when the power consumption of the fan motor is optimized, the refrigerating efficiency of the refrigerating system is simultaneously improved; and therefore, the energy saving purpose is achieved.
Description
Technical field:
The utility model relates to the multi-door frost-free refrigerator of a kind of converter technique and the combination of variable air rate technology.
Background technology:
At present, traditional multi-door frequency-changing wind-cooling refrigerator chamber demand when refrigeration between different, the general different cold of frequency realization of only adjusting compressor exports to satisfy different refrigeration demand, and fan electromotor turns round with fixing rotating speed, the rotating speed of fan electromotor can not change according to refrigeration requirement to be adjusted, thereby cause systematic function can not reach the Optimum Matching effect, namely refrigeration system is not with the most efficient state operation, has caused thus energy waste.
Summary of the invention:
For overcoming the defective of prior art, the purpose of this utility model is to provide the multi-door frost-free refrigerator of a kind of converter technique and the combination of variable air rate technology, realize different between during the chamber refrigeration, when to be frequency-changeable compressor according to refrigerator have different refrigeration demand to carry out cold output to regulate, synchronously the rotating speed of fan electromotor is adjusted, in the hope of the Optimum Matching of the cold output of the rotating speed that reaches fan electromotor and compressor.
The utility model technical solution problem adopts following technical scheme:
The multi-door frost-free refrigerator that a kind of converter technique and variable air rate technology organically combine, comprise refrigerating chamber, temperature-changing chamber, refrigerating chamber, refrigeration system, air channel, frequency-changeable compressor, dc fan motor and control system, described refrigerating chamber, temperature-changing chamber independently are provided with respectively refrigerating chamber air door and temperature-changing chamber air door, the cold wind of described refrigeration system output is delivered to each chamber through described air channel, and the switching of the refrigerating capacity of described refrigeration system output, the rotating speed of dc fan motor and described refrigerating chamber air door, temperature-changing chamber air door is jointly controlled by described control system.
Described refrigerating chamber, temperature-changing chamber, refrigerating chamber are provided with refrigerator temperature sensor, temperature-changing chamber temperature sensor, freezer temperature sensor separately, described refrigerator also is provided with environment temperature sensor, each described temperature sensor, described frequency-changeable compressor and described dc fan motor are electrically connected with described control system, and the switching of described temperature-changing chamber air door and described refrigerating chamber air door is controlled by described control system.
The master control borad of refrigerator control system gathers each chamber, environment temperature by a plurality of temperature sensors (refrigerator temperature sensor, freezer temperature sensor, temperature-changing chamber temperature sensor, encircle warm temperature sensor); The refrigerator master control borad is judged needs refrigeration in chamber between which according to each compartment temperature that collects, then control the switching of corresponding air door, simultaneously the rotary speed information of needs is passed to variable-frequency compressor driving plate by communications protocol, variable-frequency compressor driving plate drive compression machine is by specifying the rotating speed operation; The refrigerator master control borad directly drives variable speed fan with different rotating speed operations by hardware circuit, software.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
By adopting the multi-door frost-free refrigerator of converter technique that the utility model proposes and the combination of variable air rate technology, can make frequency-changeable compressor when different cold output, all can mate suitable rotation speed of fan, make whole air circulating system obtain rational air quantity and blast, when making the power consumption optimum of fan electromotor own, improve the refrigerating efficiency of refrigeration system, reach energy-conservation purpose.
Description of drawings:
Fig. 1 is the utility model structural representation; Fig. 2 is the utility model electric-control system schematic diagram.
Number in the figure: 1 refrigerating chamber, 2 temperature-changing chambers, 3 refrigerating chambers, 4 refrigeration systems, 5 air channels, 6 frequency-changeable compressors, 7 refrigerating chamber air doors, 8 temperature-changing chamber air doors, 9 dc fan motors.
Below pass through the specific embodiment, and the utility model is described in further detail by reference to the accompanying drawings.
The specific embodiment:
Embodiment: in conjunction with Fig. 1,2, the multi-door frost-free refrigerator that present embodiment converter technique and variable air rate technology organically combine, comprise refrigerating chamber 1, temperature-changing chamber 2, refrigerating chamber 3, refrigeration system 4, air channel 5, frequency-changeable compressor 6, dc fan motor 9 and control system, refrigerating chamber, temperature-changing chamber independently are provided with respectively refrigerating chamber air door 7 and temperature-changing chamber air door 8, the cold wind of refrigeration system output is delivered to each chamber through described air channel 5, and the switching of the refrigerating capacity of refrigeration system output, the rotating speed of dc fan motor and refrigerating chamber air door, temperature-changing chamber air door is jointly controlled by control system.Be provided with separately refrigerator temperature sensor, temperature-changing chamber temperature sensor, freezer temperature sensor at refrigerating chamber, temperature-changing chamber, refrigerating chamber, also be provided with environment temperature sensor in the refrigerator, each temperature sensor, frequency-changeable compressor and dc fan motor are electrically connected with control system, and the temperature-changing chamber air door is controlled by control system with the switching of refrigerating chamber air door.
In the implementation; the master control borad of control system passes through refrigerator temperature sensor; temperature-changing chamber temperature sensor and freezer temperature sensor collect the real time temperature of each chamber and default refrigerating chamber turn-on temperature point; temperature-changing chamber turn-on temperature point; refrigerating chamber turn-on temperature point and refrigerating chamber stopping temperature spot; temperature-changing chamber shutdown temperature point and refrigerating chamber shutdown temperature point are compared; then judge refrigerating chamber; there are refrigeration demand in temperature-changing chamber and refrigerating chamber in the chamber between which; and according to suitable frequency-changeable compressor driving frequency and the dc fan motor voltage of the refrigeration demand of chamber between difference output; control the different refrigerating capacity of compressor output and the different rotating speed of dc fan motor output with this, and the corresponding air door of Synchronization Control opens and closes.
1, judges that by the temperature information that collects refrigerating chamber needs refrigeration when master control borad, when temperature-changing chamber, refrigerating chamber do not need to freeze, master control borad is opened the refrigerating chamber air door according to default program, close the temperature-changing chamber air door, give simultaneously the frequency converter tranmitting frequency f1 of frequency-changeable compressor, give dc fan motor output voltage V 1.Frequency-changeable compressor receives the cold W1 corresponding to frequency output of frequency converter emission, and dc fan motor is according to the rotating speed R1 corresponding to Voltage-output of input;
2, judge that by the temperature information that collects temperature-changing chamber needs refrigeration when master control borad, when refrigerating chamber, refrigerating chamber do not need to freeze, master control borad is opened the temperature-changing chamber air door according to default program, the closing cold room air door, give simultaneously the frequency converter tranmitting frequency f2 of frequency-changeable compressor, give dc fan motor output voltage V 2.Frequency-changeable compressor receives the cold W2 corresponding to frequency output of frequency converter emission, and dc fan motor is according to the rotating speed R2 corresponding to Voltage-output of input;
3, judge that by the temperature information that collects refrigerating chamber needs refrigeration when master control borad, when refrigerating chamber, temperature-changing chamber do not need to freeze, master control borad is according to default stop refrigerating chamber air door and temperature-changing chamber air door, give simultaneously the frequency converter tranmitting frequency f3 of frequency-changeable compressor, give dc fan motor output voltage V 3.Frequency-changeable compressor receives the cold W3 corresponding to frequency output of frequency converter emission, and dc fan motor is according to the rotating speed R3 corresponding to Voltage-output of input;
4, judge that by the temperature information that collects refrigerating chamber and temperature-changing chamber need refrigeration when master control borad, when refrigerating chamber does not need to freeze, master control borad is opened refrigerating chamber air door and temperature-changing chamber air door according to default program, give simultaneously the frequency converter tranmitting frequency f4 of frequency-changeable compressor, give dc fan motor output voltage V 4.Frequency-changeable compressor receives the cold W4 corresponding to frequency output of frequency converter emission, and dc fan motor is according to the rotating speed R4 corresponding to Voltage-output of input;
5, judge that by the temperature information that collects refrigerating chamber and refrigerating chamber need refrigeration when master control borad, when temperature-changing chamber does not need to freeze, master control borad is opened the refrigerating chamber air door according to default program, close the temperature-changing chamber air door, give simultaneously the frequency converter tranmitting frequency f5 of frequency-changeable compressor, give dc fan motor output voltage V 5.Frequency-changeable compressor receives the cold W5 corresponding to frequency output of frequency converter emission, and dc fan motor is according to the rotating speed R5 corresponding to Voltage-output of input;
6, judge that by the temperature information that collects temperature-changing chamber and refrigerating chamber need refrigeration when master control borad, when refrigerating chamber does not need to freeze, master control borad is opened the temperature-changing chamber air door according to default program, the closing cold room air door, give simultaneously the frequency converter tranmitting frequency f6 of frequency-changeable compressor, give dc fan motor output voltage V 6.Frequency-changeable compressor receives the cold W6 corresponding to frequency output of frequency converter emission, and dc fan motor is according to the rotating speed R6 corresponding to Voltage-output of input;
7, when master control borad by the temperature information that collects judge refrigerating chamber, temperature-changing chamber, when refrigerating chamber needs to freeze simultaneously, master control borad is opened refrigerating chamber air door and temperature-changing chamber air door according to default program, give simultaneously the frequency converter tranmitting frequency f7 of frequency-changeable compressor, give dc fan motor output voltage V 7.Frequency-changeable compressor receives the cold W7 corresponding to frequency output of frequency converter emission, and dc fan motor is according to the rotating speed R7 corresponding to Voltage-output of input.
In sum, by adopting the multi-door frost-free refrigerator of converter technique that the utility model proposes and the combination of variable air rate technology, can reasonably mate by the cold output that master control borad is controlled the rotating speed of dc fan motor and frequency-changeable compressor, thereby the refrigerating efficiency in effectively promote frequency-changeable compressor between difference chamber when refrigeration, promote simultaneously the fan efficiency of dc fan motor when different refrigeration requirement, reach energy-conservation purpose.
Claims (2)
1. the multi-door frost-free refrigerator that organically combines of a converter technique and variable air rate technology, comprise refrigerating chamber (1), temperature-changing chamber (2), refrigerating chamber (3), refrigeration system (4), air channel (5), frequency-changeable compressor (6), dc fan motor (9) and control system, described refrigerating chamber, temperature-changing chamber independently is provided with respectively refrigerating chamber air door (7) and temperature-changing chamber air door (8), the cold wind of described refrigeration system output is delivered to each chamber through described air channel (5), it is characterized in that the refrigerating capacity of described refrigeration system output, the rotating speed of dc fan motor and described refrigerating chamber air door, the switching of temperature-changing chamber air door is jointly controlled by described control system.
2. the multi-door frost-free refrigerator that organically combines of a kind of converter technique according to claim 1 and variable air rate technology, it is characterized in that, described refrigerating chamber, temperature-changing chamber, refrigerating chamber are provided with refrigerator temperature sensor, temperature-changing chamber temperature sensor, freezer temperature sensor separately, described refrigerator also is provided with environment temperature sensor, each described temperature sensor, described frequency-changeable compressor and described dc fan motor are electrically connected with described control system, and the switching of described temperature-changing chamber air door and described refrigerating chamber air door is controlled by described control system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204425469U CN202813945U (en) | 2012-08-31 | 2012-08-31 | Multi-door frost-free refrigerator with organic combination of variable frequency technique and variable air volume technique |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012204425469U CN202813945U (en) | 2012-08-31 | 2012-08-31 | Multi-door frost-free refrigerator with organic combination of variable frequency technique and variable air volume technique |
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| CN202813945U true CN202813945U (en) | 2013-03-20 |
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| CN2012204425469U Expired - Fee Related CN202813945U (en) | 2012-08-31 | 2012-08-31 | Multi-door frost-free refrigerator with organic combination of variable frequency technique and variable air volume technique |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533819A (en) * | 2014-12-23 | 2015-04-22 | 合肥美的电冰箱有限公司 | Method and device for controlling fan motor of refrigerator and refrigerator |
| CN104534804A (en) * | 2014-12-23 | 2015-04-22 | 合肥美的电冰箱有限公司 | Method and device for controlling fan motor of refrigerator and refrigerator |
| CN104949463A (en) * | 2015-06-26 | 2015-09-30 | 四川长虹电器股份有限公司 | Accurate and efficient temperature control implement method for refrigerator |
| CN105091457A (en) * | 2015-07-31 | 2015-11-25 | 合肥美的电冰箱有限公司 | Air cooling refrigerator and control method and control system thereof |
| CN109764602A (en) * | 2018-12-28 | 2019-05-17 | 青岛海尔股份有限公司 | Refrigerator and its control method |
| WO2020210924A1 (en) * | 2019-04-16 | 2020-10-22 | 章礼道 | Intelligent freezer-refrigerator using satellite timing temperature sensor |
-
2012
- 2012-08-31 CN CN2012204425469U patent/CN202813945U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533819A (en) * | 2014-12-23 | 2015-04-22 | 合肥美的电冰箱有限公司 | Method and device for controlling fan motor of refrigerator and refrigerator |
| CN104534804A (en) * | 2014-12-23 | 2015-04-22 | 合肥美的电冰箱有限公司 | Method and device for controlling fan motor of refrigerator and refrigerator |
| CN104949463A (en) * | 2015-06-26 | 2015-09-30 | 四川长虹电器股份有限公司 | Accurate and efficient temperature control implement method for refrigerator |
| CN105091457A (en) * | 2015-07-31 | 2015-11-25 | 合肥美的电冰箱有限公司 | Air cooling refrigerator and control method and control system thereof |
| CN105091457B (en) * | 2015-07-31 | 2017-11-17 | 合肥美的电冰箱有限公司 | Wind cooling refrigerator and its control method and control system |
| CN109764602A (en) * | 2018-12-28 | 2019-05-17 | 青岛海尔股份有限公司 | Refrigerator and its control method |
| WO2020210924A1 (en) * | 2019-04-16 | 2020-10-22 | 章礼道 | Intelligent freezer-refrigerator using satellite timing temperature sensor |
| CN113811731A (en) * | 2019-04-16 | 2021-12-17 | 章礼道 | Intelligent freezing and refrigerating box using satellite time service temperature sensor |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 230601 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee after: CHANGHONG MEILING Co.,Ltd. Address before: 230061 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee before: HEFEI MEILING Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20210831 |