CN1627216A - Device for controlling operation of positive/negative spin of compressor in refrigerator of selected reversing motor, and control method - Google Patents
Device for controlling operation of positive/negative spin of compressor in refrigerator of selected reversing motor, and control method Download PDFInfo
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- CN1627216A CN1627216A CN 200310118564 CN200310118564A CN1627216A CN 1627216 A CN1627216 A CN 1627216A CN 200310118564 CN200310118564 CN 200310118564 CN 200310118564 A CN200310118564 A CN 200310118564A CN 1627216 A CN1627216 A CN 1627216A
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- despining
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Abstract
This invention relates to an operation control device and a control method for a refrigerator backward and forward rotation compressor. The device includes a power supply part, a temp preset part, a temp sensing part, a microcomputer outputting backward and forward rotation control signals and stator number of poles, a rotation signal generating part generating signals to the compressor based on the control signal of the microcomputer, a commutation signal part, and a compressor maintaining temp in the cooling chamber within the set temp and regulating the cool according to the output signal of the commutation generating signal part and the rotation signal generating part.
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 having related to a kind of detection puts into the overload in the refrigerator, for overload, utilize the positive dirction rotation of compressor and the motor stator number of poles of conversion compressor to rotate, supply big cold air rapidly, the refrigerator of selecting reversing motor for use that can quick corresponding load variations just/despining compressor operating control device and control method (FORWARD/REVERSEROTATION COMPRESSOR DRIVING APPARATUS AND METHOD FOR REFRIGERATOREQUIPED WITH POLE CHANGE MOTOR) thereof.
Background technology
In general, the refrigeration cycle that refrigerator adopted is divided into the high refrigeration cycle of refrigerating chamber supply cold air and the low refrigeration cycle of supplying cold air for reefer.
Above-mentioned high refrigeration cycle or low refrigeration cycle are because therefore the equal in length of its expansion gear can not obtain best 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 synoptic diagram.See also shown in Figure 1ly, according to the refrigeration cycle of prior art, it comprises: the low temperature that evaporator is discharged, the compressor 1 that low pressure condensed steam sucked and be compressed into high temperature, high pressure 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 kapillary 3, and carries out heat interchange by the air in evaporation and the refrigerating chamber, thereby makes first evaporator (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 kapillary 3, and carries out heat interchange by the air in evaporation and the reefer, thereby makes second evaporator (R-EVA) of the air cooling-down in the reefer.
At first, when carrying out freezing operation (high refrigeration), the condensing agent of the High Temperature High Pressure of compressed machine 1 compression flows into after condenser 2 condensations, becomes the condensing agent of low-temp low-pressure in the process of kapillary 3 of flowing through.
Afterwards, first evaporator (F-EVA) sucks the condensing agent of above-mentioned low-temp low-pressure and discharges the saturated vapour that does not have moisture through pervaporation in refrigerating chamber.
When refrigerating operation (low refrigeration), the condensing agent of the High Temperature High Pressure of compressed machine 1 compression flows into after condenser 2 condensations, becomes the condensing agent of low-temp low-pressure in the process of kapillary 3 of flowing through.
Afterwards, second evaporator (R-EVA) suck above-mentioned low-temp low-pressure condensing agent and through pervaporation and and reefer between heat interchange 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, just compressor is carried out in the process of positive dirction or reverse direction operation, because do not take the load increase of moment into account, compressor still press certain speed just/opposite spin, the freshness of food is reduced greatly, and the temperature of refrigerator is by just dropping to design temperature for a long time.
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 practical experience and professional knowledge for many years, actively studied innovation, in the hope of the refrigerator of selecting reversing motor for use that creates 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
Fundamental 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 that it is put into the overload in the refrigerator by detecting, for overload, utilize the positive dirction rotation of compressor and the motor stator number of poles of conversion compressor to rotate, supply big cold air rapidly, can quick corresponding load variations.
Purpose of the present invention and to solve its technical problem underlying be to adopt following technical scheme to realize.The refrigerator of selecting reversing motor for use that proposes according to the present invention just/despining compressor operating control device, it comprises the power supply unit of supplying voltage; Set the temperature setting portion of predetermined temperature; Detection is according to the temperature sensor of the cool room internal temperature of user's design temperature; According to the said temperature sensor to current cooling chamber in temperature whether exceed said temperature configuration part design temperature, output just/micro computer of despining control signal and stator poles control signal; According to above-mentioned micro computer just/positive rotation signal that the despining control signal is sent compressor or despining signal just/the despining signal generation; The commutation signal generating unit of the commutation signal of sending according to above-mentioned number of poles control signal, conversion connects; And adjust cold power, thereby the compressor of temperature maintenance within design temperature in the cool room according to the output signal of just above-mentioned/despining signal generation and commutation signal generating unit.
In order to achieve the above object, the refrigerator that the present invention also proposes to select for use reversing motor just/despining compressor operating control method, it comprises for the refrigerator of keeping the cooling chamber design temperature according to the standard operational mode, relatively detects the phase one of the temperature difference between the design temperature that cooling chamber temperature and user set; Above-mentioned comparative result, when temperature difference during less than predetermined temperature, stator poles becomes 4 utmost points when making the compressor inverse rotation, is in the subordinate phase of the standard operational mode of the cold power of outputting standard; And, can carry out repeatedly that stator poles becomes 2 utmost points when making the rotation of compressor positive dirction when said temperature difference during greater than predetermined temperature, convert output phase III of the pattern of refrigerating operaton rapidly of super refrigeration rapidly to.
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 method, the design temperature that wherein said user sets and the temperature difference of cooling chamber temperature are 8 ℃.
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, major technique content of the present invention comprises the power supply unit of supplying voltage; Set the temperature setting portion of predetermined temperature; Detection is according to the temperature sensor of the cool room internal temperature of user's design temperature; According to the said temperature sensor to current cooling chamber in temperature whether exceed said temperature configuration part design temperature, output just/micro computer of despining control signal and stator poles control signal; According to above-mentioned micro computer just/positive rotation signal that the despining control signal is sent compressor or despining signal just/the despining signal generation; Send the commutation signal generating unit of the commutation signal of conversion connection according to above-mentioned number of poles control signal; And adjust cold power, thereby the compressor of temperature maintenance within design temperature in the cool room according to the output signal of just above-mentioned/despining signal generation and commutation signal generating unit.
As mentioned above, the present invention is provided with predefined temperature, according to the temperature of user's setting, when the Current Temperatures in the refrigerator is higher than the temperature of above-mentioned setting, compressor switches to 2 utmost points with reversing motor in positive rotation, make the interior temperature of refrigerator of rising be dropped rapidly to predetermined design temperature.
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 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 instructions, 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 synoptic 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 the refrigerator of selecting reversing motor for use of the present invention just/despining compressor operating control method process flow diagram.
1, compressor 2, condenser
3, kapillary 10, power supply unit
11, temperature setting portion 12, temperature sensor
13, micro computer 14, just/the despining signal generation
15, commutation signal generating unit 16, compressor (COMP)
Embodiment
Below in conjunction with accompanying drawing and one embodiment of the present of invention, the refrigerator of selecting reversing motor for use that foundation the present invention is proposed just/despining compressor operating control device and control method thereof, its embodiment, structure, feature and effect thereof, describe in detail as after.
See also shown in Figure 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, the present invention is by the power supply unit 10 of supply voltage; Set the temperature setting portion of predetermined temperature; Detection is according to the temperature sensor 12 of the cool room internal temperature of user's design temperature; According to the said temperature sensor to current cooling chamber in temperature whether exceed said temperature configuration part design temperature and output just/micro computer 13 of despining control signal and stator poles control signal; According to above-mentioned micro computer 13 just/the despining control signal send the positive rotation signal of compressor or despining signal just/despining signal generation 14; Send the commutation signal generating unit 15 of the commutation signal of conversion connection according to above-mentioned number of poles control signal; And adjust cold power, thereby the compressor (COMP) 16 of the temperature maintenance in the cool room within design temperature formed according to the output signal of just above-mentioned/despining signal generation 14 and commutation signal generating unit 15.
See also shown in Figure 3, Fig. 3 be the refrigerator of selecting reversing motor for use of the present invention just/despining compressor operating control method process flow diagram.As shown in Figure 3, the present invention can carry out repeatedly for the refrigerator of keeping the cooling chamber design temperature according to the standard operational mode, relatively detects the phase one SP1 of the temperature difference between the design temperature that cooling chamber temperature and user set, SP2; Above-mentioned comparative result, temperature difference are during less than predetermined temperature, and stator poles becomes 4 utmost points when allowing the compressor inverse rotation, is in the subordinate phase SP3 of the standard operational mode of the cold power of outputting standard; Said temperature is poor, and during greater than predetermined temperature, stator poles becomes 2 utmost points when allowing the rotation of compressor positive dirction, is in to convert to and sends the phase III SP4 of the pattern of refrigerating operaton rapidly of super refrigeration rapidly.
Below, operation of the present invention and effect with said structure are described.
At first, the operational mode set according to the user of micro computer 13 is calculated the cold air supply and is just offered/despining signal generation 14.
At this moment, judge according to the Current Temperatures that detects the temperature sensor 12 detected refrigerators of temperature in the refrigerator whether surpassed 8 ℃ that temperature setting portion 11 is set (SP1, SP2).
When above-mentioned judged result, the Current Temperatures in the refrigerator are lower than 8 ℃ that temperature setting portion 11 sets, micro computer 13 to just/the contrary rotation control signal of despining signal generation 14 outputs, to commutation signal generating unit 15 outputs 4 utmost points commutation control signal.
At this moment, in some cycles, just carrying out repeatedly/despining signal generation 14 produces the control signal of control compressors (COMP) 16 contrary directions rotations, if and commutation signal generating unit 15 control signal that produces the commutation of control 4 utmost points temperature that makes cooling chamber can keep design temperature or cooling chamber that reduces to freeze is higher than 8 ℃, just above-mentioned/despining signal generation 14 produces the control compressors to be increased refrigeration rapidly to the control signal of positive dirction rotation and makes cooling chamber can keep the process of design temperature, keeps cooling chamber design temperature (SP4) according to the external temperature of refrigerator.
Above-mentioned 8 ℃ as the compressor of predefined temperature in the decision refrigerators just/judgment standard of the commutation of despining and reversing motor.
Afterwards, compressor was in closed condition when the temperature of above-mentioned cooling chamber had reached the uniform temperature that the user sets, and compressor was not in opening when the temperature of cooling chamber reached the uniform temperature that the user sets, and carried out above-mentioned operational process repeatedly.
That is to say, when the temperature of refrigerator cooling chamber of the present invention is higher than more than 8 ℃ than predefined design temperature, in order to reduce the refrigerator cooling chamber temperature that raises rapidly, reversing motor is controlled at 2 utmost points when making the rotation of compressor positive dirction, thereby produces maximum cold force; When the temperature of refrigerator cooling chamber is lower than below 8 ℃, reversing motor is controlled at 4 and extremely supplies cold air when making the compressor inverse rotation.
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 technician of the same trade now, all have many saving graces, and the 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 (3)
1, a kind of refrigerator of selecting reversing motor for use just/despining compressor operating control device, it is characterized in that it comprises:
The power supply unit of supply voltage;
Set the temperature setting portion of predetermined temperature;
Detection is according to the temperature sensor of the cool room internal temperature of user's design temperature;
According to the said temperature sensor to current cooling chamber in temperature whether exceed said temperature configuration part design temperature, output just/micro computer of despining control signal and stator poles control signal;
According to above-mentioned micro computer just/positive rotation signal that the despining control signal is sent compressor or despining signal just/the despining signal generation;
Send the commutation signal generating unit of the commutation signal of conversion connection according to above-mentioned number of poles control signal; And adjust cold power, thereby the compressor of temperature maintenance within design temperature in the cool room according to the output signal of just above-mentioned/despining signal generation and commutation signal generating unit.
2, a kind of refrigerator of selecting reversing motor for use just/despining compressor operating control method, it is characterized in that it comprises:
For the refrigerator of keeping the cooling chamber design temperature according to the standard operational mode, relatively detect the phase one of the temperature difference between the design temperature that cooling chamber temperature and user set;
Above-mentioned comparative result, when temperature difference during less than predetermined temperature, stator poles becomes 4 utmost points when making the compressor inverse rotation, is in the subordinate phase of the standard operational mode of the cold power of outputting standard; And
When said temperature difference during greater than predetermined temperature, can carry out repeatedly that stator poles becomes 2 utmost points when making the rotation of compressor positive dirction, convert output phase III of the pattern of refrigerating operaton rapidly of super refrigeration rapidly to.
3, the refrigerator of selecting reversing motor for use according to claim 2 just/despining compressor operating control method, it is characterized in that the design temperature that described user sets and the temperature difference of cooling chamber temperature are 8 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310118564 CN1627216A (en) | 2003-12-12 | 2003-12-12 | Device for controlling operation of positive/negative spin of compressor in refrigerator of selected reversing motor, and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310118564 CN1627216A (en) | 2003-12-12 | 2003-12-12 | Device for controlling operation of positive/negative spin of compressor in refrigerator of selected reversing motor, and control method |
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| Publication Number | Publication Date |
|---|---|
| CN1627216A true CN1627216A (en) | 2005-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310118564 Pending CN1627216A (en) | 2003-12-12 | 2003-12-12 | Device for controlling operation of positive/negative spin of compressor in refrigerator of selected reversing motor, and control method |
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| CN (1) | CN1627216A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653503A (en) * | 2015-01-27 | 2015-05-27 | 株洲南车时代电气股份有限公司 | Method and device for controlling based on frequency and pole change fan for rail transit converter |
-
2003
- 2003-12-12 CN CN 200310118564 patent/CN1627216A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653503A (en) * | 2015-01-27 | 2015-05-27 | 株洲南车时代电气股份有限公司 | Method and device for controlling based on frequency and pole change fan for rail transit converter |
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