CN101138379B - Soft ice cream machine with the frequency conversion control function - Google Patents
Soft ice cream machine with the frequency conversion control function Download PDFInfo
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- CN101138379B CN101138379B CN2007101414875A CN200710141487A CN101138379B CN 101138379 B CN101138379 B CN 101138379B CN 2007101414875 A CN2007101414875 A CN 2007101414875A CN 200710141487 A CN200710141487 A CN 200710141487A CN 101138379 B CN101138379 B CN 101138379B
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- filtering device
- frequency conversion
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- soft ice
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Abstract
The present invention discloses a soft ice cream machine with the control function of frequency conversion; the present invention comprises a power interface, a mixing motor, a mixer, a refrigeration motor, a refrigeration device and a first frequency conversion control; the power output of the mixing motor drives the mixer to provide power for the refrigeration motor through the power interface; the refrigeration motor provides power for the refrigeration device; the mixing motor is a three-phase squirrel-cage asynchronous motor; the power interface is connected with the first frequency conversion control and the output of frequency conversion of the first frequency conversion control controls the a three-phase squirrel-cage asynchronous motor. The present invention provides a soft ice cream machine equipped with the driving function of frequency conversion; in the process of mixing paste, the soft ice cream machine has little noise and is convenient for timing; the starting torque is stable with high efficiency and the paste of ice cream is homogeneous.
Description
Technical field
The present invention relates to a kind of food machinery, specifically, relate to a kind of soft ice-cream machine.
Background technology
Soft ice-cream machine mainly comprises power set, agitating device and refrigerating plant, provides power by power set for the agitating device and the refrigerating plant of soft ice-cream machine.At present, employed soft ice-cream machine on the market, great majority be with single phase poaer supply as electrical source of power, the general single-phase double value capacitor asynchronous motor (as YL90S4-1.1KW) that adopts of the motor of outputting power.As shown in Figure 3, it is a kind of motor internal mode of connection that adopts single-phase double value capacitor asynchronous motor, comprise a main winding U1-U2, an auxiliary winding Z1-Z2, a startup capacitor C 1 (150uF/275V), an operation capacitor C 2 (35uF/400V) and a centrifugal switch V1-V2, the U2 end of main winding also connects with the Z2 end of auxiliary winding; The Z1 end of auxiliary winding is by starting the V2 contact that capacitor C 1 connects centrifugal switch, and the Z1 end of auxiliary winding connects the V1 contact of centrifugal switch by operation capacitor C 2 and is connected to the U1 end of main winding; Receive on the general supply line at the two ends of last main winding again.By the above-mentioned mode of connection, capacitive reactances makes power supply split phase, produces rotating excitation field, starts monophase machine work.After rotating speed reaches certain value, the contact separation of centrifugal switch will start capacitor C 1 and disconnect, and enter normal operating condition.
Though the motor of this power set has all advantages eaily of highly versatile, maintenance and replacing,, in soft ice-cream machine, adopt the motor of this power set, there is following shortcoming:
1, because there is defective on the manufacturing process in this class motor, along radially intermittently shaking, be easy to generate magnetic gap up and down, electric current is big during work, noise is also big, is difficult to frequent starting when going out cake and stops as the rotating shaft meeting of motor.
2, when powder slurry mixed liquor was made the cake shape, because electric current is very big, the contact of motor centrifugal switch was easily damaged by arc erosion, caused to burn to start electric capacity and operation electric capacity, caused motor to damage.
3, because monophase machine rotating speed height, band carries a moment unbalance, and the motor efficiency is low, and can not speed governing, and this can cause colloid in the mixed slurry etc. easily to be blended, and makes finished product cake body adhesion strength not enough, adheres to layering, and the body formed retention time of cake is not enough, and profile is not attractive in appearance.
4, because the driving of traditional refrigeration compressor adopts constant speed compressor to start, and electric current is very big, can reach 4-6 times of rated operational current usually under total head, this can produce great impact to residing electrical network circuit; Be exactly that the monophase machine noise is big in addition, inefficiency, specific yield power consumption height.
Summary of the invention
Purpose of the present invention is intended to overcome the deficiency that above-mentioned prior art exists, provide a kind of can make when stirring noise little, be convenient to speed governing, efficient height, staring torque steadily, can make the adhesion of cake body possess the soft ice-cream machine of frequency conversion drive function uniformly.
A kind of soft ice-cream machine that possesses frequency conversion control function, comprise power interface, stirring motor, agitating device, refrigeration motor and refrigerating plant, the power output transmission agitating device of stirring motor, provide power supply by power interface for the refrigeration motor, the refrigeration motor provides power for refrigerating plant, comprise first frequency-variable controller, described stirring motor is the three phase squirrel cage asynchronous machine, described power interface connects first frequency-variable controller, the frequency conversion output control three phase squirrel cage asynchronous machine of first frequency-variable controller.
Further, also comprise the first em filtering device, between described power interface and described first frequency converter, connect the described first em filtering device.
Further, also comprise second frequency converter, described refrigeration motor adopts the DC frequency conversion brushless motor, and described power interface is through the output control DC frequency conversion brushless motor of second frequency converter.
Again further, also comprise the second em filtering device, between the described power interface and second frequency converter, connect the described second em filtering device.
Again further, also comprise the 3rd em filtering device, the 3rd em filtering device is between power interface and the first em filtering device and the second em filtering device, power interface connects an end of the 3rd em filtering device, connects the other end of the 3rd em filtering device after the first em filtering device and the second em filtering device parallel connection.
Adopt technique scheme, beneficial technical effects of the present invention is: 1, stirring motor adopts the three phase squirrel cage asynchronous machine, and carry out VFC by first frequency converter, can control the power output size of motor according to the system cake process of soft ice-cream machine by changing frequency in time, the control rotating speed, as: at the system cake initial stage, rotating speed can be high slightly, along with process of refrigerastion is constantly accumulated, ice cream cake body is also more and more harder, and resistance also just increases, and correspondingly increases the electric current of stirring motor gradually, make that noise was little when the cake body stirred, be convenient to speed governing, staring torque is steady, the efficient height can make the adhesion of cake body evenly.2,, can effectively prevent the misoperation of soft ice-cream machine built-in system and to the electromagnetic interference of external electrical network or other consumer by the em filtering device is set.
Description of drawings
The present invention is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is the electrical control schematic diagram of soft ice-cream machine of the present invention.
Fig. 2 is the structural representation of the agitating device of soft ice-cream machine.
Fig. 3 is for having a kind of cut-away drawing of the single-phase two-capacitance capacitive asynchronous machine that adopts in the soft ice-cream machine now.
The specific embodiment
See also Fig. 1 and Fig. 2, the soft ice-cream machine that possesses frequency conversion control function comprises power set, agitating device 9 and refrigerating plant 10.The structure of power set comprises first frequency converter 1, second frequency converter 2, the first em filtering device 301, the second em filtering device 302, the 3rd em filtering device 303, first relay 12, second relay 13, refrigeration motor 7, condenser fan motor 6, stirring motor 8, master controller 4 and display 5 as shown in Figure 1; First relay 12 has main contacts K switch 2, second relay 13 has main contacts K switch 1.By the soft ice-cream machine system wiring diagram check mark wiring shown in the accompanying drawing 1: be docile and obedient preface and electrically connect power interface 14, the 3rd em filtering device 303, the main contacts K switch 2 of first relay 12, the first em filtering device 301, first frequency converter 1 and stirring motor 8, stirring motor 8 is three phase squirrel cage induction motors, stirring motor 8 provides power for agitating device 9, the structure of agitating device 9 as shown in Figure 2, comprise agitator 11 and transmission mechanism 90, the power output of stirring motor 8 is through transmission mechanism 90 transmission agitators 11, and agitator 11 comprises the left agitator 111 and the right agitator 112 of coaxial transmission.Be docile and obedient preface and connect main contacts K switch 1, the second em filtering device 302, second frequency converter 2 of the 3rd em filtering device 303, relay 13 and the motor 7 that freezes, refrigeration motor 7 is DC frequency conversion brushless motors, provides power by the DC frequency conversion brushless motor for refrigerating plant 10.Another road output of the second em filtering device 302 connects condenser fan motor 6.The break-make of first relay 12 and second relay 13 is by master controller 4 controls.
The electric power incoming line side of first frequency converter 1, second frequency converter 2 is 50 hertz of power supplys of single phase ac, after frequency converter, becomes the alternating current that the frequency of about 200 volts of three-phases can be regulated continuously.Because frequency can be regulated continuously, can realize that the rotating speed of stirring motor can be regulated as required.First frequency converter 1 is set by outside terminal control drive manner, control terminal TA1, TB1 are connected on the master controller 4 on the corresponding socket; Second frequency converter 2 also is arranged to by outside terminal control running, and control terminal TA2, TB2 receive on the socket of same correspondence on the master controller 4.X in the wiring diagram, Y terminal are connected on the main controller 4 by the X of the input correspondence of Hall current sensor, above the Y inserted sheet, and use the thermoplastic jacket insulation.Starting or stoping of first frequency converter 1 and second frequency converter 2 respectively by each self-corresponding control terminal TA1, TB1 and control terminal TA2, TB2, controlled by the control signal of master controller 4 outputs.The current sample of three phase squirrel cage induction motor is got U, V, the W any phase in mutually, and electric current, voltage signal that master controller 4 detects and the control instruction of sending or data mode show by display 5.
The soft ice-cream machine operating procedure that possesses frequency conversion control function of the present invention is as follows:
1, by on first frequency converter, 1 keyboard, setting startup in advance, stopping slack time, set the S curve and quicken, selected for second deceleration time, output drives stirring motor.After setting, motor can delay startup, also can extenuate speed and stop, and when load carrying, staring torque is steady.First frequency converter 1 selects basic frequency output to be transferred to below the 50HZ, and carrier frequency is transferred to about 12KHZ.Allow first frequency converter 1 be in the constant force square way of output, guarantee the adhesion of cake body evenly.If output frequency surpasses 50HZ, the stirring motor rotating speed is too fast, when ice cream becomes the cake shape, is stirred layering easily.
When 2, work starts, make first relay 12,13 energisings of second relay, main contacts K switch 1 and K2 closure, first frequency converter 1,2 energisings of second frequency converter by master controller 4.After the outside terminal TA1 of first frequency converter 1, the TB1 closure, output drives stirring motor 8 entrys into service; Delay time after 5 seconds, TA2, TB2 outside terminal closure, second frequency converter 2 drives refrigeration motors 7 and starts working, the corresponding refrigerating plant work of transmission again of refrigeration motor 7, condenser fan motor 6 also entrys into service simultaneously.
3, according to pre-set cake body hardness number (having the 1-7 shelves to select), beginning refrigerated medium cake process.Along with process of refrigerastion is constantly accumulated, the cake body is also more and more harder, and resistance also just increases, and the electric current of stirring motor increases gradually, and when reaching predefined current value, master controller 4 sends instruction, and TA2, TB2 contact are disconnected.Refrigeration motor 7 is stopped, delaying time after 7 seconds, TA1, TB1 terminal also disconnect, and stirring motor 8 is stopped.The purpose that the first em filtering device 301, the second em filtering device 302 and the 3rd em filtering device 303 are set is anti-locking system misoperation and to the electromagnetic interference of outside.These noise sources can exert an influence to equipment and near instrument and meter.For this reason, need prevent in the measure that the input of first frequency converter 1 is installed the em filtering device especially.
Although the present invention has done to describe in detail and quoted embodiment as proof, for those of ordinary skill in the art, obviously various schemes, modification and the change that can make according to above-mentioned explanation all should be included within the scope of claim.
Claims (1)
1. soft ice-cream machine that possesses frequency conversion control function, comprise power interface, stirring motor, agitating device, refrigeration motor and refrigerating plant, the power output transmission agitating device of stirring motor, provide power supply by power interface for the refrigeration motor, the refrigeration motor provides power for refrigerating plant, it is characterized in that:
Comprise first frequency-variable controller, described stirring motor is the three phase squirrel cage asynchronous machine, and described power interface connects first frequency-variable controller, the frequency conversion output control three phase squirrel cage asynchronous machine of first frequency-variable controller;
Described soft ice-cream machine also comprises the first em filtering device, connects the described first em filtering device between described power interface and described first frequency-variable controller;
Described soft ice-cream machine also comprises second frequency-variable controller, and described refrigeration motor is the DC frequency conversion brushless motor, and described power interface is through the output control DC frequency conversion brushless motor of second frequency-variable controller;
Described soft ice-cream machine also comprises the second em filtering device, connects the described second em filtering device between the described power interface and second frequency-variable controller;
Described soft ice-cream machine also comprises the 3rd em filtering device, the 3rd em filtering device is between power interface and the first em filtering device and the second em filtering device, power interface connects an end of the 3rd em filtering device, connects the other end of the 3rd em filtering device after the first em filtering device and the second em filtering device parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101414875A CN101138379B (en) | 2006-08-25 | 2007-08-23 | Soft ice cream machine with the frequency conversion control function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200610125833 | 2006-08-25 | ||
| CN200610125833.6 | 2006-08-25 | ||
| CN2007101414875A CN101138379B (en) | 2006-08-25 | 2007-08-23 | Soft ice cream machine with the frequency conversion control function |
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| Publication Number | Publication Date |
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| CN101138379A CN101138379A (en) | 2008-03-12 |
| CN101138379B true CN101138379B (en) | 2011-05-11 |
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| CN2007101414875A Expired - Fee Related CN101138379B (en) | 2006-08-25 | 2007-08-23 | Soft ice cream machine with the frequency conversion control function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD1008735S1 (en) | 2020-12-31 | 2023-12-26 | Sharkninja Operating Llc | Blade for a micro puree machine |
| US11871765B2 (en) | 2020-12-31 | 2024-01-16 | Sharkninja Operating Llc | Micro puree machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101129153B (en) * | 2006-08-25 | 2011-12-14 | 深圳市海川实业股份有限公司 | Soft ice-cream machine with frequency conversion control function |
| EP3183975B1 (en) * | 2014-08-19 | 2020-04-29 | Icetro Co., Ltd. | Apparatus for making ice cream |
| USD985331S1 (en) | 2020-12-31 | 2023-05-09 | Sharkninja Operating Llc | Housing for a micro puree machine |
| US20220202247A1 (en) | 2020-12-31 | 2022-06-30 | Sharkninja Operating Llc | Micro puree machine |
| US11154163B1 (en) | 2020-12-31 | 2021-10-26 | Sharkninja Operating Llc | Micro puree machine |
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| USD1021533S1 (en) | 2022-05-09 | 2024-04-09 | Sharkninja Operating Llc | User interface for a micro puree machine |
| USD1021520S1 (en) | 2022-05-09 | 2024-04-09 | Sharkninja Operating Llc | Housing for a micro puree machine |
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|---|---|---|---|---|
| US4463572A (en) * | 1982-11-19 | 1984-08-07 | Glacier Products, Inc. | Soft ice cream machine |
| CN2031976U (en) * | 1988-02-01 | 1989-02-01 | 胡嗣炯 | Variable-frequency and variable-voltage power supply generation device |
| CN1262049A (en) * | 2000-01-18 | 2000-08-09 | 余炽俊 | Soft ice cream machine without washing |
| CN2501247Y (en) * | 2001-10-23 | 2002-07-17 | 中国敏捷集团有限公司 | Frequency change servo-controller for motor |
| CN1568740A (en) * | 2004-05-11 | 2005-01-26 | 石志强 | Modified soft ice cream machine |
| CN1789033A (en) * | 2005-09-08 | 2006-06-21 | 武汉理工大学 | DSP-based flush type electric automobile frequency conversion control method and device |
-
2007
- 2007-08-23 CN CN2007101414875A patent/CN101138379B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4463572A (en) * | 1982-11-19 | 1984-08-07 | Glacier Products, Inc. | Soft ice cream machine |
| CN2031976U (en) * | 1988-02-01 | 1989-02-01 | 胡嗣炯 | Variable-frequency and variable-voltage power supply generation device |
| CN1262049A (en) * | 2000-01-18 | 2000-08-09 | 余炽俊 | Soft ice cream machine without washing |
| CN2501247Y (en) * | 2001-10-23 | 2002-07-17 | 中国敏捷集团有限公司 | Frequency change servo-controller for motor |
| CN1568740A (en) * | 2004-05-11 | 2005-01-26 | 石志强 | Modified soft ice cream machine |
| CN1789033A (en) * | 2005-09-08 | 2006-06-21 | 武汉理工大学 | DSP-based flush type electric automobile frequency conversion control method and device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD1008735S1 (en) | 2020-12-31 | 2023-12-26 | Sharkninja Operating Llc | Blade for a micro puree machine |
| US11871765B2 (en) | 2020-12-31 | 2024-01-16 | Sharkninja Operating Llc | Micro puree machine |
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| CN101138379A (en) | 2008-03-12 |
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