CN201893747U - Variable-frequency air conditioner driver - Google Patents
Variable-frequency air conditioner driver Download PDFInfo
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- CN201893747U CN201893747U CN201020678761XU CN201020678761U CN201893747U CN 201893747 U CN201893747 U CN 201893747U CN 201020678761X U CN201020678761X U CN 201020678761XU CN 201020678761 U CN201020678761 U CN 201020678761U CN 201893747 U CN201893747 U CN 201893747U
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Abstract
The utility model relates to a variable-frequency air conditioner driver and aims at providing the variable-frequency air conditioner driver with good real-time performance and simple peripheral equipment. The variable-frequency air conditioner driver comprises a control module, a power amplification module and a rectifying module, wherein the control module is connected with the power amplification module, the input end of the rectifying module is connected with the commercial power, the output end of the rectifying module is connected with the input end of the power amplification module, the output end of the power amplification module is connected with a permanent magnetic synchronous motor for driving a compressor, the control module is a digital signal processor (DSP) formed by a PICCOLO series high-speed main control chip, the power amplification module is an intelligent power module (IPM), and the DSP is connected with the IPM. The control module adopts the PICCOLO series high-speed main control chip, the requirement of real-time performance of the complicated vector control algorithm and the sensor-free synovial observation algorithm on the controller is met, the stable work of a system is ensured, and the intelligent peripheral equipment specially used for the motor control aspect of the high-speed main control chip is utilized, so the peripheral equipment is simpler.
Description
Technical field
The utility model relates to air-conditioning and makes the field, and in particular, the utility model is a kind of convertible frequency air-conditioner driver about the frequency converting air-conditioner compressor controlling and driving.
Background technology
The frequency-variable air conditioner outdoor machine inner compressor is AC induction motor or 120 degree dc brushless motors mostly at present, adopt the VF control mode of variable voltage variable frequency or six step of the square wave commutation control of 120 degree dc brushless motors, adopt single-chip microcomputer and power amplifier module on the hardware, single-chip microcomputer is accepted the speed controling signal of master control borad, pass through related algorithm, the Waveform Control pattern power controlling amplification module of pulse width modulation (PWM) carries out the frequency conversion running thereby driving AC induction motor and 120 degree dc brushless motors drive compressors.Adopt the compressor of AC induction motor, the interaction by the magnetic field between stator, the rotor makes the rotor rotation, has that cooling and warming is quick, the accurate characteristics of temperature control.But the running of AC frequency conversion compressor is the interaction of the magnetic line of force that forms by the electric current that passes through on the stator winding and the induced current on the rotor winding to be realized, so the rotor winding has electric current to pass through, and produces electric energy loss.If adopt the compressor of dc brushless motor, compressor stator produces rotating magnetic field and the rotor permanent magnetic field directly acts on, and realizes compressor operation.Because rotor is a permanent magnet, there is not coil/winding, need not externally fed, also just do not produce electric energy loss, efficient height, but because dc brushless motor adopts square wave drive, the square wave frequency conversion has only two to be conducted at every turn, 120 degree that whenever are conducted, and per 60 degree of the magnetic potential that compressor stator produces change once, unavoidably can produce certain torque pulsation, this situation is particularly serious when low speed.For improving this situation, adopt the synovial membrane observation algorithm of vector control algorithm and no transducer at present, and result of calculation sent to power amplifier module by the SVPWM waveform, power amplifier module carries out power amplification with waveform, and finally is added to permagnetic synchronous motor PMSM and drives compressor operation.Because the data processing amount of the synovial membrane of vector control algorithm and no transducer observation algorithm is very big, and the real-time requirement is high, the processor that therefore need have the high-speed computation ability could be competent at.
Patent Office of the People's Republic of China discloses a CN101509694A document on August 19th, 2009, name is called a kind of DC frequency converting air-conditioner compressor intelligent controller and control method thereof, this controller hardware scheme comprises current rectifying and wave filtering circuit and the power model that is electrically connected successively, current rectifying and wave filtering circuit is electrically connected with single dsp controller as core processing unit through Switching Power Supply in addition, dsp controller also respectively with power model, be used for being electrically connected with communication buffer circuit, blower fan drive circuit, the temperature sampling circuit of indoor apparatus of air conditioner communication; Its control method: implant Control Software in dsp controller, adopt two closed loop FOC not have sensor magnetic field vector control mode, interior circular current ring is realized the decoupling zero control to the compressor permanent magnet synchronous electric motor drive current, controls the output torque of motor indirectly; The outer shroud speed ring is used for controlling the operating frequency of compressor, the dynamic response when making it can satisfy stable state when deciding frequency and require to satisfy frequency conversion again; This Control Software comprises a primitive recursive function and a main interrupt function.Because this controller has adopted common dsp controller, operational capability is not strong, and is not specifically applied to the ip intelligent peripherals of Electric Machine Control aspect, and real-time is relatively poor, the peripheral hardware complicated problems thereby cause.
Summary of the invention
The utility model adopts common dsp controller for solving the controller that exists in the prior art, thereby operational capability does not cause the relatively poor problem of real-time by force, provides that a kind of real-time is good, the simple convertible frequency air-conditioner driver of peripheral hardware.
The technical scheme that its technical problem that solves the utility model adopts is: the utility model comprises control module, power amplifier module, rectification module, control module links to each other with power amplifier module, the input of rectification module links to each other with civil power, the output of rectification module links to each other with the input of power amplifier module, the output of power amplifier module links to each other with the permagnetic synchronous motor of Driven Compressor, control module is the digital signal processor DSP that the synovial membrane of the carried out vector control algorithm that constituted of PICCOLO series of high speed main control chip and no transducer is observed algorithm, power amplifier module is Intelligent Power Module IPM, and digital signal processor DSP links to each other with Intelligent Power Module IPM with the control model of space vector pulse width modulation SVPWM waveform.PICCOLO series of high speed main control chip is by the American TI Company manufacturing; have high-frequency clock frequency and the ip intelligent peripherals that is specifically applied to the Electric Machine Control aspect; can easily tackle of the requirement of the synovial membrane observation algorithm of vector control algorithm and no transducer to processor performance; and have such as defencive functions such as overvoltage protection, overcurrent protection, the protections of closed loop losing lock; make peripheral hardware more simple, guaranteed the system real time requirement.
As preferably, rectification module links to each other with civil power by filter circuit.Because the power supply of permagnetic synchronous motor is direct current 300V, the alternating current 220V civil power need be carried out EMI filtering, through the uncontrollable rectification module rectification of three-phase, form the 300V DC bus-bar voltage, supply with Intelligent Power Module IPM and drive permagnetic synchronous motor.
As preferably, filter capacitor also is connected in parallel between rectification module and the described Intelligent Power Module IPM.Can make the direct voltage of Intelligent Power Module IPM input more stable by filter capacitor.
As preferably, Intelligent Power Module IPM also links to each other with the 15V power module.The 15V power module provides 15V dc voltage power supply for Intelligent Power Module IPM.
The beneficial effects of the utility model are: control module adopts PICCOLO series of high speed main control chip, satisfied at present the real-time requirement of the synovial membrane of the vector control algorithm of controller complexity and no transducer being observed algorithm, guaranteed the steady operation of system, utilize the ip intelligent peripherals that is specifically applied to the Electric Machine Control aspect of this high speed main control chip, make peripheral hardware more simple.
Description of drawings
Fig. 1 is a kind of system block diagram of the utility model convertible frequency air-conditioner driver.
Among the figure: 1. digital signal processor DSP, 2. Intelligent Power Module IPM, 3. rectification module, 4. filter circuit, 5. civil power, 6. permagnetic synchronous motor, 7. 15V power module, 8. filter capacitor.
Embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings the technical solution of the utility model is described in further detail.
Embodiment:
A kind of convertible frequency air-conditioner driver of present embodiment, referring to Fig. 1, comprise digital signal processor DSP 1, Intelligent Power Module IPM2, rectification module 3, filter circuit 4,15V power module 7, filter capacitor 8, digital signal processor DSP 1 links to each other with Intelligent Power Module IPM2, the input of filter circuit 4 links to each other with civil power 6, the output of filter circuit 4 links to each other with the input of rectification module 3, the output of rectification module 3 links to each other with the input of Intelligent Power Module IPM2, filter capacitor 8 is connected in parallel on the connecting line of the output of rectification module 3 and Intelligent Power Module IPM2 input, Intelligent Power Module IPM2 output links to each other with permagnetic synchronous motor 6, and 15V power module 7 links to each other with Intelligent Power Module IPM2 and provides 15V dc voltage power supply for Intelligent Power Module IPM2.
Digital signal processor DSP 1 is made PICCOLO series of high speed main control chip by American TI Company and is constituted, carry out the computing of the synovial membrane observation algorithm of vector control algorithm and no transducer, and be connected as control signal with Intelligent Power Module IPM2 with the control model of space vector pulse width modulation SVPWM waveform, civil power 6 is single-phase 220V AC power, through filter circuit 4, become the 300V direct voltage behind the filter rectification of rectification module 3, offer Intelligent Power Module IPM2 again after the filtering by filter capacitor 8 as main circuit power, through the permagnetic synchronous motor 6 of Intelligent Power Module IPM2 power amplification rear drive as the air conditioner compression motor; Digital signal processor DSP 1 itself has defencive functions such as overvoltage protection, overcurrent protection, the protection of closed loop losing lock.
Above embodiment is one of preferred plan of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.
Claims (4)
1. convertible frequency air-conditioner driver, comprise control module, power amplifier module, rectification module, described control module links to each other with described power amplifier module, the input of described rectification module links to each other with civil power, the output of described rectification module links to each other with the input of described power amplifier module, the output of described power amplifier module links to each other with the permagnetic synchronous motor of Driven Compressor, it is characterized in that: described control module is the digital signal processor DSP that the synovial membrane of the carried out vector control algorithm that constituted of PICCOLO series of high speed main control chip and no transducer is observed algorithm, described power amplifier module is Intelligent Power Module IPM, and described digital signal processor DSP links to each other with Intelligent Power Module IPM with the control model of space vector pulse width modulation SVPWM waveform.
2. a kind of convertible frequency air-conditioner driver according to claim 1, it is characterized in that: described rectification module links to each other with civil power by filter circuit.
3. a kind of convertible frequency air-conditioner driver according to claim 1 and 2 is characterized in that: filter capacitor also is connected in parallel between described rectification module and the described Intelligent Power Module IPM.
4. a kind of convertible frequency air-conditioner driver according to claim 1 and 2 is characterized in that: described Intelligent Power Module IPM also links to each other with the 15V power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020678761XU CN201893747U (en) | 2010-12-24 | 2010-12-24 | Variable-frequency air conditioner driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020678761XU CN201893747U (en) | 2010-12-24 | 2010-12-24 | Variable-frequency air conditioner driver |
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| Publication Number | Publication Date |
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| CN201893747U true CN201893747U (en) | 2011-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201020678761XU Expired - Lifetime CN201893747U (en) | 2010-12-24 | 2010-12-24 | Variable-frequency air conditioner driver |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386999A (en) * | 2017-08-07 | 2019-02-26 | 大连新明华电子科技有限公司 | The control method of Efficient intelligent carbon-dioxide gas compressor controller |
| CN113323887A (en) * | 2021-06-01 | 2021-08-31 | 广州大学城投资经营管理有限公司 | Energy-saving device for water pump system of central air conditioner |
-
2010
- 2010-12-24 CN CN201020678761XU patent/CN201893747U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386999A (en) * | 2017-08-07 | 2019-02-26 | 大连新明华电子科技有限公司 | The control method of Efficient intelligent carbon-dioxide gas compressor controller |
| CN113323887A (en) * | 2021-06-01 | 2021-08-31 | 广州大学城投资经营管理有限公司 | Energy-saving device for water pump system of central air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LIERDA TECHNOLOGY GROUP CO., LTD. Free format text: FORMER NAME: LIERDA SCIENCE AND TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang province 310011 Dengyun Road No. 425 Patentee after: Lierda Science & Technology Group Co., Ltd. Address before: Hangzhou City, Zhejiang province 310011 Dengyun Road No. 425 Patentee before: Lierda Science and Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110706 |