CN1627022A - 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 PDF

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Publication number
CN1627022A
CN1627022A CNA2003101185755A CN200310118575A CN1627022A CN 1627022 A CN1627022 A CN 1627022A CN A2003101185755 A CNA2003101185755 A CN A2003101185755A CN 200310118575 A CN200310118575 A CN 200310118575A CN 1627022 A CN1627022 A CN 1627022A
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China
Prior art keywords
temperature
refrigerator
compressor
despining
mentioned
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Pending
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CNA2003101185755A
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Chinese (zh)
Inventor
郑圆武
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LG Electronics Tianjin Appliances Co Ltd
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LG Electronics Tianjin Appliances Co Ltd
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Application filed by LG Electronics Tianjin Appliances Co Ltd filed Critical LG Electronics Tianjin Appliances Co Ltd
Priority to CNA2003101185755A priority Critical patent/CN1627022A/en
Publication of CN1627022A publication Critical patent/CN1627022A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/027Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/0271Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means the compressor allows rotation in reverse direction

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 power supply portion, door sensor portion, temperature sensor portion, microcomputer, forward/backward signal generation portion, commutating signal generation portion and compressor. Said invention also provides the concrete action of the every portion.

Description

The refrigerator of selecting reversing motor for use just/despining compressor operating control device and control method thereof
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 according to variation of temperature amplitude control compressor in the refrigerator direction of rotation and stator poles and can reduce consume electric power the refrigerator of selecting reversing motor for use 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 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 the low temperature that evaporimeter is discharged, 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, even make compressor carry out the temperature in the process control refrigerator of positive direction or reverse direction operation and reduce power consumption by cold power, ignore the temperature conditions of the big cold power of little needs, according to setting-up time drive compression machine just/opposite spin, the temperature of control in the refrigerator has problems really.
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
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 interior range of temperature of refrigerator within predefined temperature, and the situation that the door of refrigerator is not opened within a certain period of time judges to not needing big cold power, so the stator plate number conversion of compressor inverse direction rotation time compressor electric motor is 4 extremely to drive, thereby reduces power consumption.
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 of a kind of new structure that proposes according to the present invention just/despining compressor operating control device, it comprises: the power supply unit that is freeze cycle stroke supply voltage; Detect the door detecting means that refrigerator doors is opened; The temperature sensor of the temperature detection cool room internal temperature of setting according to the user; According to the output signal of above-mentioned door detecting means and TEMP portion, and according to the state of detected door within a certain period of time and variation of temperature output just/micro computer of despining control signal and stator poles control signal; According to above-mentioned micro computer just/the despining control signal send the positive rotation signal of 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.
In order to achieve the above object, the refrigerator of selecting reversing motor for use that proposes according to the present invention just/despining compressor operating control method, it comprises: for the refrigerator that can select low speed/high-speed cruising pattern, for the temperature maintenance that makes cooling chamber at the design temperature that the user sets, move the phase I of the standard operational mode of exporting peak torque when making the motor positive rotation of compressor or contrary rotation with 2 utmost points; Detect Current Temperatures in the refrigerator in service according to above-mentioned standard operational mode, the temperature of setting with above-mentioned user is a benchmark, and whether the temperature change of judging cooling chamber is in the second stage that preestablishes within the temperature; And the temperature of setting according to above-mentioned user is a benchmark, if the temperature change of cooling chamber is not within predefined temperature, continue to carry out the operation of above-mentioned standard operational mode, the temperature of setting according to above-mentioned user is a benchmark, if the phase III that converts the power-saving running pattern of 4 utmost points operation when motor of compressor is contrary to be rotated in predefined temperature, is carried out in the temperature change of cooling chamber.
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, its operating structure of wherein said micro computer is set to: if the temperature change amplitude of cooling chamber is in ± 1 degree, and detect door according to the door detecting means and in predefined judgement time, do not open, micro computer make the contrary rotation of compressor (COMP) simultaneously reversing motor extremely move with 4; If the temperature change amplitude of cooling chamber not in ± 1 degree, and detects door according to the door detecting means and was unlocked in predefined judgement time, micro computer make compressor (COMP) positive rotation simultaneously reversing motor extremely move with 2.
The aforesaid refrigerator of selecting reversing motor for use just/despining compressor operating control method, wherein said second stage comprised by detecting the state of refrigerator doors, judge the stage whether this opened in the predefined time.
The aforesaid refrigerator of selecting reversing motor for use just/despining compressor operating control method, the judgement time of wherein said door state is to be fiducial time with 3 hours with in.
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: be the power supply unit of freeze cycle stroke supply voltage; Detect the door detecting means that refrigerator doors is opened; Detect the temperature sensor of cool room internal temperature according to user's design temperature; According to the output signal of above-mentioned door detecting means and TEMP portion, and according to the state of detected door within a certain period of time and variation of temperature output just/micro computer of despining control signal and stator poles control signal; According to above-mentioned micro computer just/the despining control signal send the positive rotation signal of 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, when the range of temperature in the refrigerator within predefined temperature, and under the situation of not opening within a certain period of time of refrigerator, being judged as does not need big cold power, so the stator poles of compressor inverse direction rotation time compressor electric motor is converted to 4 and extremely drives, thereby reduce the effect of power consumption.
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 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 one embodiment of the 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, door detecting means 12, TEMP portion
13, micro computer 14, just/the despining signal generation
15, commutation signal generating unit 16, compressor (COMP)
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, 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, operating control device of the present invention, the stroke that is included as freeze cycle is supplied the power supply unit of voltage; Detect the door detecting means that refrigerator doors is opened; Detection is according to the TEMP portion 12 of the cool room internal temperature of user's design temperature; According to the output signal that obtains above-mentioned door detecting means and TEMP portion and according to the state of detected door within a certain period of time and variation of temperature 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 compressor positive rotation signal 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 temperature maintenance within design temperature in the cool room 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, be one embodiment of the invention the refrigerator of selecting reversing motor for use just/despining compressor operating control method flow chart.As shown in Figure 3, the present invention moves control program, it comprises, for the refrigerator possible according to operational mode low speed/high-speed cruising, for the temperature maintenance of cooling chamber at the design temperature that the user sets, move the phase I (SP1) of the standard operational mode of exporting peak torque when making the motor positive rotation of compressor or contrary rotation with 2 utmost points; Detect Current Temperatures in the operating refrigerator according to above-mentioned standard operational mode, the temperature of setting with above-mentioned user is a benchmark, and whether the temperature change of judging cooling chamber is preestablishing second stage within the temperature (SP2~SP5); And, the temperature of setting according to above-mentioned user is a benchmark, if the temperature change of cooling chamber is not within predefined temperature, continue to carry out the operation of above-mentioned standard operational mode, the temperature of setting with above-mentioned user is a benchmark, if the temperature change of cooling chamber converts the phase III of the power-saving running pattern of 4 utmost points operation to and forms (SP6~SP7) when in predefined temperature, carrying out the contrary rotation of the motor of compressor.
Below, operation of the present invention and effect with said structure are described.
At first, according to the operating refrigerator doors state of examination criteria operational mode the door detecting means 11 testing result, a door status detection signal is offered micro computer 13, and the temperature detection set according to the user of TEMP portion 12 to refrigerator in Current Temperatures and offer micro computer 13.
At this moment, the temperature change amplitude of micro computer 13 as judgement TEMP portion 12 detected cooling chambers is in ± 1 degree, and detect door when in the predefined time (3 hours), not opening according to door detecting means 11, above-mentioned micro computer 13 enters the power-saving running pattern in order to make the operating compressor of standard operational mode (COMP), to just/despining signal generation 14 and commutation signal generating unit 15 provide the operation control signal.
Afterwards, just above-mentioned/despining signal generation 14 is according to the operation control signal of above-mentioned micro computer 13, for making compressor (COMP) produce reverse rotation signal to contrary direction rotation, above-mentioned commutation signal generating unit 15 becomes the commutation signal of 4 utmost points according to the operation control signal of above-mentioned micro computer 13 from 2 utmost points for the stator coil reception of conversion compressor electric motor.
Drive with 4 utmost points when as mentioned above, compressor inverse rotates.Particularly, see also shown in Figure 3, progress control method of the present invention, at first, the design temperature of setting with the user be the standard operational mode state that detects operating refrigerator doors (SP1, SP2).
So-called standard operational mode is meant the operational mode of the reversing motor of compressor with operation of 2 utmost points and while positive rotation.
The state judged result of above-mentioned refrigerator doors, whether judgement door within 3 hours was opened, as the result is that door was not unlocked within 3 hours, detect again amplitude of fluctuation that Current Temperatures in the refrigerator judges the cooling chamber temperature whether at ± 1 degree with interior (SP3~SP5).
Above-mentioned judged result, not in ± 1 degree, the positive rotation reversing motor that should keep compressor so is the standard operational mode (SP6) of 2 utmost points as the amplitude of fluctuation of the cooling chamber temperature in the refrigerator.
But if above-mentioned judged result illustrates the amplitude of fluctuation of the cooling chamber temperature in the refrigerator in ± 1 degree, reversing motor converted 4 to and extremely moves (SP7) when compressor should contraryly rotate so.
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 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 (5)

1, a kind of refrigerator of selecting reversing motor for use just/despining compressor operating control device, it is characterized in that it comprises:
Power supply unit for freeze cycle stroke supply voltage;
Detect the door detecting means that refrigerator doors is opened;
Detect the temperature sensor of cool room internal temperature according to user's design temperature;
According to the output signal of above-mentioned door detecting means and TEMP portion, and according to the state of detected door within a certain period of time and variation of temperature output just/micro computer of despining control signal and stator poles control signal;
According to above-mentioned micro computer just/the despining control signal send the positive rotation signal of 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, the refrigerator of selecting reversing motor for use according to claim 1 just/despining compressor operating control device, it is characterized in that its operating structure of described micro computer is set to: if the temperature change amplitude of cooling chamber is in ± 1 degree, and detect door according to the door detecting means and in predefined judgement time, do not open, micro computer make the contrary rotation of compressor (COMP) simultaneously reversing motor extremely move with 4; If the temperature change amplitude of cooling chamber not in ± 1 degree, and detects door according to the door detecting means and was unlocked in predefined judgement time, micro computer make compressor (COMP) positive rotation simultaneously reversing motor extremely move with 2.
3, 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 that can select low speed/high-speed cruising pattern, for the temperature maintenance that makes cooling chamber at the design temperature that the user sets, move the phase I of the standard operational mode of exporting peak torque when making the motor positive rotation of compressor or contrary rotation with 2 utmost points;
Detect Current Temperatures in the refrigerator in service according to above-mentioned standard operational mode, the temperature of setting with above-mentioned user is a benchmark, and whether the temperature change of judging cooling chamber is in the second stage that preestablishes within the temperature; And
The temperature of setting according to above-mentioned user is a benchmark, if the temperature change of cooling chamber is not within predefined temperature, continue to carry out the operation of above-mentioned standard operational mode, the temperature of setting according to above-mentioned user is a benchmark, if the phase III that converts the power-saving running pattern of 4 utmost points operation when motor of compressor is contrary to be rotated within predefined temperature, is carried out in the temperature change of cooling chamber.
4, the refrigerator of selecting reversing motor for use according to claim 3 just/despining compressor operating control method, it is characterized in that described second stage comprises by detecting the state of refrigerator doors, judges the stage whether this opened in the predefined time.
5, the refrigerator of selecting reversing motor for use according to claim 3 just/despining compressor operating control method, the judgement time that it is characterized in that described door state is to be fiducial time with 3 hours with in.
CNA2003101185755A 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 Pending CN1627022A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2003101185755A CN1627022A (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
CNA2003101185755A CN1627022A (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

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CN1627022A true CN1627022A (en) 2005-06-15

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CNA2003101185755A Pending CN1627022A (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

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011108947A1 (en) * 2010-03-05 2011-09-09 Wellington Drive Technologies Limited Motor and system controller
CN103592856A (en) * 2012-08-17 2014-02-19 江苏省精创电气股份有限公司 Controller and control method for ice crystal cabinet

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011108947A1 (en) * 2010-03-05 2011-09-09 Wellington Drive Technologies Limited Motor and system controller
CN102869931A (en) * 2010-03-05 2013-01-09 威灵顿传动技术有限公司 Motor and system controller
CN102869931B (en) * 2010-03-05 2016-01-27 威灵顿传动技术有限公司 motor and system controller
CN103592856A (en) * 2012-08-17 2014-02-19 江苏省精创电气股份有限公司 Controller and control method for ice crystal cabinet

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