CN1627023A - Device for controlling operation of positive/negative spin of compressor in refrigerator of possessing selected reversing motor, and control method - Google Patents
Device for controlling operation of positive/negative spin of compressor in refrigerator of possessing selected reversing motor, and control method Download PDFInfo
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- CN1627023A CN1627023A CN 200310118576 CN200310118576A CN1627023A CN 1627023 A CN1627023 A CN 1627023A CN 200310118576 CN200310118576 CN 200310118576 CN 200310118576 A CN200310118576 A CN 200310118576A CN 1627023 A CN1627023 A CN 1627023A
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- compressor
- refrigerator
- temperature
- reversing motor
- despining
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Abstract
The invention relates to a forward/backward rotation compressor operation control device of refrigerator which selects and uses commutating motor and its control method. Said control device includes exterior temp detection portion, microcomputer, forward/;backward rotation signal generation portion and commutating signal generating portion. Said invention adopts the commutating motor of HYSTERESIS Band, can make compressor be operated under the state of 2 poles or 4 poles so as to raise the operation efficiency of refrigerator.
Description
Technical field
The refrigerator of selecting reversing motor for use that the present invention relates to a kind of refrigerator field just/despining compressor operating control device and control method thereof, particularly relate to a kind of external temperature according to refrigerator, compressor is rotated simultaneously forward or backwards, the motor of compressor adopts HYSTERESIS Band (endless belt stagnates) reversing motor, make the refrigerator of selecting reversing motor for use that compressor moves under 2 utmost points or 4 utmost point states just/despining compressor operating control device and control method (FORWARD/REVERSE ROTATIONCOMPRESSOR DRIVING APPARATUS AND METHOD FOR REFRIGERATOR EQUIPEDWITH POLE CHANGE MOTOR) thereof.
Background technology
In general, the kind of refrigeration cycle that refrigerator adopted is divided into the high kind of refrigeration cycle of refrigerating chamber supply cold air and the low kind of refrigeration cycle of supplying cold air for refrigerating chamber.
Above-mentioned high kind of refrigeration cycle or low kind of refrigeration cycle are because therefore the equal in length of its expansion gear can not obtain best kind of refrigeration cycle according to different operational modes.For above-mentioned prior art, will be elaborated in conjunction with Fig. 1.
Fig. 1 is a current refrigerator freeze cycle schematic diagram.As shown in Figure 1, according to the kind of refrigeration cycle of prior art, it comprises: with the low temperature of evaporimeter discharge, the compressor 1 that low pressure condensed steam sucked and be compressed into high temperature, high steam; Heat in the high temperature that above-mentioned compressor 1 is discharged, the condensed steam of high pressure is discarded in water or the air, and converts the condenser 2 of high pressure saturated solution to; The high pressure saturated solution that above-mentioned condenser 2 is discharged is sucked in the condensing agent of low temperature, low pressure by capillary 3, and carries out heat exchange by the air in evaporation and the refrigerating chamber, thereby makes first evaporimeter (F-EVA) of the air cooling-down in the refrigerating chamber; The high pressure saturated solution that above-mentioned condenser 2 is discharged is sucked in the condensing agent of low temperature, low pressure by capillary 3, and carries out heat exchange by the air in evaporation and the refrigerating chamber, thereby makes second evaporimeter (R-EVA) of the air cooling-down in the refrigerating chamber.
At first, when carrying out freezing operation (high refrigeration), the condensing agent of the HTHP of compressed machine 1 compression flows into after condenser 2 condensations, becomes the condensing agent of low-temp low-pressure in the process of capillary 3 of flowing through.
Afterwards, first evaporimeter (F-EVA) sucks the condensing agent of above-mentioned low-temp low-pressure and discharges the saturated vapor that does not have moisture through pervaporation in refrigerating chamber.
When refrigerating operation (low refrigeration), the condensing agent of the HTHP of compressed machine 1 compression flows into after condenser 2 condensations, becomes the condensing agent of low-temp low-pressure in the process of capillary 3 of flowing through.
Afterwards, second evaporimeter (R-EVA) suck above-mentioned low-temp low-pressure condensing agent and through pervaporation and and refrigerating chamber between heat exchange and discharge cold air.
Because above-mentioned refrigerator freeze cycle adopted is the compressor that can only be rotated in the forward and produces high output all the time, therefore, even it is relatively stable and when not needing strong cold power,, thereby increase electric power consumption because carry out the positive rotation of compressor all the time in the temperature of refrigerator.
In order to address the above problem, in refrigerator, adopt the compressor that carries out forward and reverse rotation as required, thereby reduction power consumption, that is to say, after refrigerator moves a period of time, if testing result is a stable status, then makes compressor to the opposite direction running that produces weak cold power, thereby reduce power consumption.
But, in said method, though carry out reverse rotation in the metastable time at the load of refrigerator, and when refrigerator is in excess load, be rotated in the forward, still, when refrigerator is in excess load, the time that runs to normal duty is longer, thereby reduces refrigeration efficient; And even under the situation of underload, the effect of the saving electric power that reverse rotation produced is also not obvious.
This shows that above-mentioned existing freezer compressor operating control device and control method thereof still have many defectives, and demand urgently further being improved.
In order to solve the problem that above-mentioned freezer compressor operating control device and control method thereof exist, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing freezer compressor operating control device and control method thereof exist, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, actively studied innovation, in the hope of the refrigerator of selecting reversing motor for use of founding a kind of new structure just/despining compressor operating control device and control method thereof, can improve general existing on the market conventional freezer compressor operating control device and control method structure thereof, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
Main purpose of the present invention is, overcome the defective that existing freezer compressor operating control device and control method thereof exist, and the refrigerator of selecting reversing motor for use that a kind of new structure is provided just/despining compressor operating control device and control method thereof, technical problem underlying to be solved is to make it by detecting the refrigerator external temperature and according to detected external temperature, make compressor carry out positive rotation or despun while, the motor of compressor is selected the reversing motor that adopts HYSTERESIS Band (endless belt stagnates) for use, and compressor is moved under 2 utmost points or 4 utmost point states.
Purpose of the present invention and to solve its technical problem underlying be to adopt following technical scheme to realize.Can just carry out/the compressor operating control device of despining and commutation according to selecting for use of proposing of the present invention, it comprises: the external temperature test section that detects external temperature; The detected external temperature of said external temperature detecting part is compared with outside design temperature, and export the operation control signal of control compressor operating direction and in order to control the reversing motor pole-change according to relatively result, the micro computer of output commutation control signal sends the positive rotation signal or the despining signal of compressor according to the operation control signal of above-mentioned micro computer, thus the drive compression machine just/the despining signal generation; And send 2 utmost points of selecting reversing motor or the commutation signal of 4 utmost points, thereby the commutation signal generating unit of drive compression machine according to the commutation control signal of above-mentioned micro computer.
According to the refrigerator of selecting reversing motor for use of the present invention just/despining compressor operating control method, it comprises, detects the stage of external temperature by external temperature sensor; The stage that resulting external temperature of above-mentioned stage is compared with predefined temperature; And above-mentioned reversing motor is converted to 2 utmost points or the operation of 4 utmost points, and make compressor carry out positive rotation or despun stage according to the comparative result in above-mentioned stage.
The object of the invention to solve the technical problems can also be further achieved by the following technical measures.
The aforesaid refrigerator of selecting reversing motor for use just/despining compressor operating control device, wherein said micro computer when the current external temperature of refrigerator greater than the external setting-up temperature time, converts reversing motor the operation of 2 utmost points to and compressor is rotated in the forward; When the current external temperature of refrigerator the time less than the external setting-up temperature, the refrigerator of selecting reversing motor for use that converts reversing motor the operation of to 4 utmost points and make the compressor reverse rotation just/despining compressor operating control device.
The aforesaid refrigerator of selecting reversing motor for use just/despining compressor operating control method, the wherein said stage that reversing motor is converted to the operation of 2 utmost points or 4 utmost points and compressor is rotated forward or backwards, it comprise if the current external temperature of refrigerator greater than the external setting-up temperature, reversing motor is converted to the operation of 2 utmost points and compressor is rotated in the forward, and the temperature in refrigerator reaches the stage of design temperature with regard to close compressor; If the current external temperature of refrigerator less than the external setting-up temperature, reversing motor is converted to the operation of 4 utmost points and makes the compressor reverse rotation, and the temperature in refrigerator reaches the stage of design temperature with regard to close compressor.
The aforesaid refrigerator of selecting reversing motor for use just/despining compressor operating control method, wherein said external setting-up temperature is that 43 degree are advisable.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, in order to reach aforementioned goal of the invention, selecting for use that the present invention proposes can just carry out/the compressor operating control device of despining and commutation, it comprises: the external temperature test section that detects external temperature; The detected external temperature of said external temperature detecting part is compared with outside design temperature, and export the operation control signal of control compressor operating direction and in order to control the reversing motor pole-change, the micro computer of output commutation control signal according to relatively result; Send the positive rotation signal or the despining signal of compressor according to the operation control signal of above-mentioned micro computer, thus the drive compression machine just/the despining signal generation; And send 2 utmost points of selecting reversing motor or the commutation signal of 4 utmost points, thereby the commutation signal generating unit of drive compression machine according to the commutation control signal of above-mentioned micro computer.
As mentioned above, the present invention rotates simultaneously compressor according to the external temperature of refrigerator forward or backwards, the motor of compressor is selected the reversing motor that adopts HYSTERESIS Band (endless belt stagnates) for use, compressor is moved under 2 utmost points or 4 utmost point states, thereby reach the purpose that improves the refrigerator operational efficiency.
In sum, the refrigerator of selecting reversing motor for use of special construction of the present invention just/despining compressor operating control device and control method thereof, have above-mentioned many advantages and practical value, and in like product, do not see have similar structural design to publish or use, no matter and it structurally or bigger improvement all arranged on the function, have large improvement technically, and produced handy and practical effect, and has the effect of enhancement really, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the schematic diagram of current refrigerator freeze cycle.
Fig. 2 be one embodiment of the invention the refrigerator of selecting reversing motor for use just/despining compressor operating control device structured flowchart.
Fig. 3 be another embodiment of the present invention the refrigerator of selecting reversing motor for use just/despining compressor operating control method flow chart.
1, compressor 2, condenser
3, capillary 10, power supply unit
11, just/despining signal generation 12, micro computer
13, temperature detecting part 14, commutation signal generating unit
15, external temperature test section
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the refrigerator of selecting reversing motor for use that foundation the present invention is proposed just/despining compressor operating control device and its specific embodiment of control method, structure, feature and effect thereof, describe in detail as after.
See also shown in Figure 2, Fig. 2 be one embodiment of the invention the refrigerator of selecting reversing motor for use just/despining compressor operating control device structured flowchart.
As shown in Figure 2, select for use according to an embodiment of the invention reversing motor refrigerator just/despining compressor operating control device, it comprises: the external temperature test section 15 that detects external temperature; Said external temperature detecting part 15 detected external temperatures are compared with outside design temperature, and export the operation control signal of control compressor operating direction and in order to control the reversing motor pole-change, the micro computer 12 of output commutation control signal according to relatively result; Send the positive rotation signal or the despining signal of compressor according to the operation control signal of above-mentioned micro computer 12, thus the drive compression machine just/despining signal generation 11; And send 2 utmost points of selecting reversing motor or the commutation signal of 4 utmost points, thereby the commutation signal generating unit 14 of drive compression machine according to the commutation control signal of above-mentioned micro computer 12.
Below, illustrate according to the refrigerator of selecting reversing motor for use of the present invention just/running of despining compressor operating control device:
At first, external temperature test section 15 detects the external temperature of refrigerator, and micro computer 12 is compared said external temperature detecting part 16 detected external temperatures with the external setting-up temperature, and according to the operation control signal of comparative result output control compressor direction of rotation and the commutation control signal of control reversing motor commutation.
That is to say that above-mentioned micro computer 12 when the current external temperature of refrigerator greater than the external setting-up temperature time, converts reversing motor the operation of 2 utmost points to and compressor is rotated in the forward; When the current external temperature of refrigerator the time, reversing motor is converted to the operation of 4 utmost points and makes the compressor reverse rotation less than the external setting-up temperature.
According to experiment gained result, the said external design temperature is set at 43 degree and is advisable.
Just/despining signal generation 11 produces the driving that positive rotation signal or despining signal are controlled compressor according to the operation control signal of above-mentioned micro computer 12; And commutation signal generating unit 4 selects the commutation signal of 2 utmost points or 4 utmost points to control the driving of compressor according to the commutation control signal generation of above-mentioned micro computer 12.
At this moment, the temperature that above-mentioned micro computer 12 detects in the refrigerator by said temperature test section 13, and the temperature in refrigerator reaches design temperature close compressor afterwards.
The present invention converts reversing motor to 2 utmost points or the operation of 4 utmost points by the temperature of detection refrigerator outside and according to detected external temperature, meanwhile, compressor is moved forward or backwards, thereby improves the operational efficiency of refrigerator.
Below, in conjunction with Fig. 3 to according to another embodiment of the present invention the refrigerator of selecting reversing motor for use just/control method of despining compressor is elaborated.
See also shown in Figure 3, Fig. 3 for according to another embodiment of the invention the refrigerator of selecting reversing motor for use just/despining compressor operating control method flow chart.
At first, external temperature test section 15 detects external temperature (SP1) by external temperature sensor.
The external temperature of gained is compared with the external setting-up temperature, if the current external temperature of refrigerator is greater than the external setting-up temperature, reversing motor is converted to the operation of 2 utmost points and compressor is rotated in the forward, and the temperature in refrigerator reaches then close compressor (SP2-SP5) of design temperature.
If the current external temperature of refrigerator less than the external setting-up temperature, converts reversing motor the operation of 4 utmost points to and makes compressor reverse rotation, the temperature in refrigerator reach then close compressor (SP6-SP9) of design temperature.
According to experiment gained result, the said external design temperature is redefined for 43 degree and is advisable.
As mentioned above, the present invention converts reversing motor to 2 utmost points or the operation of 4 utmost points according to the external temperature of refrigerator, meanwhile, compressor is moved forward or backwards, thereby improves the operational efficiency of refrigerator.
The refrigerator that the present invention that above-mentioned structure like this constitutes selects reversing motor for use just/technological innovation of despining compressor operating control device and control method thereof, for technical staff of the same trade now, all have many saving graces, and a progressive that possesses skills really.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified to the equivalent embodiment of equivalent variations, but every technical solution of the present invention content that do not break away from,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (5)
1, a kind of refrigerator of selecting reversing motor for use just/despining compressor operating control device, it is characterized in that: be provided with can just carry out/refrigerator of the compressor of despining and commutation in, above-mentioned operating control device comprises
Detect the external temperature test section of external temperature;
The detected external temperature of said external temperature detecting part is compared with outside design temperature, and export the operation control signal of control compressor operating direction and in order to control the reversing motor pole-change, the micro computer of output commutation control signal according to relatively result;
Send the positive rotation signal or the despining signal of compressor according to the operation control signal of above-mentioned micro computer, thus the drive compression machine just/the despining signal generation; And
Send 2 utmost points of selection reversing motor or the commutation signal of 4 utmost points according to the commutation control signal of above-mentioned micro computer, thus the commutation signal generating unit of drive compression machine.
2, the refrigerator of selecting reversing motor for use according to claim 1 just/despining compressor operating control device, it is characterized in that wherein said micro computer,
When the current external temperature of refrigerator the time, reversing motor is converted to the operation of 2 utmost points and compressor is rotated in the forward greater than the external setting-up temperature;
When the current external temperature of refrigerator the time less than the external setting-up temperature, the refrigerator of selecting reversing motor for use that converts reversing motor the operation of to 4 utmost points and make the compressor reverse rotation just/despining compressor operating control device.
3, a kind of refrigerator of selecting reversing motor for use just/despining compressor operating control method, it is characterized in that: it comprises
Detect the stage of external temperature by external temperature sensor;
The stage that the external temperature of above-mentioned stage gained is compared with predefined temperature; And
Comparative result according to the above-mentioned stage converts above-mentioned reversing motor to 2 utmost points or the operation of 4 utmost points, and makes compressor carry out positive rotation or despun stage.
4, the refrigerator of selecting reversing motor for use according to claim 3 just/despining compressor operating control method, it is characterized in that the wherein said stage that reversing motor is converted to 2 utmost points or the operation of 4 utmost points and compressor is rotated forward or backwards, it comprises
If the current external temperature of refrigerator greater than the external setting-up temperature, reversing motor is converted to the operation of 2 utmost points and compressor is rotated in the forward, and the temperature in refrigerator reaches the stage of design temperature with regard to close compressor;
If the current external temperature of refrigerator less than the external setting-up temperature, reversing motor is converted to the operation of 4 utmost points and makes the compressor reverse rotation, and the temperature in refrigerator reaches the stage of design temperature with regard to close compressor.
5, according to claim 3 or the 4 described refrigerators of selecting reversing motor for use just/despining compressor operating control method, it is characterized in that wherein said external setting-up temperature is that 43 degree are advisable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310118576 CN1627023A (en) | 2003-12-12 | 2003-12-12 | Device for controlling operation of positive/negative spin of compressor in refrigerator of possessing selected reversing motor, and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310118576 CN1627023A (en) | 2003-12-12 | 2003-12-12 | Device for controlling operation of positive/negative spin of compressor in refrigerator of possessing selected reversing motor, and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1627023A true CN1627023A (en) | 2005-06-15 |
Family
ID=34761174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310118576 Pending CN1627023A (en) | 2003-12-12 | 2003-12-12 | Device for controlling operation of positive/negative spin of compressor in refrigerator of possessing selected reversing motor, and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1627023A (en) |
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2003
- 2003-12-12 CN CN 200310118576 patent/CN1627023A/en active Pending
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