[introduction]In consuming electronic industry catenary, white home appliance serves as indispensable important composition, long-term since the crucial role that acting quality of promotion dweller life. However, the product is coessential change, the market is added fast put delay, consumer energy-saving to home appliance product environmental protection and intelligence are changed wait for a function to hold what increase increasingly to expect, make industry of white home appliance for a time low fan. Face this situation, manufacturing industry of Chinese home appliance is some more intimate year of active meet an emergency, whole thrust is carried all right qualitative, fall this, synergism strategy, among them, The large-scale application of frequency conversion technology reachs his to deepen research and development continuously, be regarded as to lead industry of white home appliance the breakthrough bottleneck, march toward the high level, efficient way that can develop prospect continuously.

In consuming electronic industry catenary, white home appliance serves as indispensable important composition, long-term since the crucial role that acting quality of promotion dweller life. However, the product is coessential change, the market is added fast put delay, consumer energy-saving to home appliance product environmental protection and intelligence are changed wait for a function to hold what increase increasingly to expect, make industry of white home appliance for a time low fan. Face this situation, manufacturing industry of Chinese home appliance is some more intimate year of active meet an emergency, whole thrust is carried all right qualitative, fall this, synergism strategy, among them, the large-scale application of frequency conversion technology reachs his to deepen research and development continuously, be regarded as to lead industry of white home appliance the breakthrough bottleneck, march toward the high level, efficient way that can develop prospect continuously.

Here setting falls, frequency conversion home appliance answered global section actively to be able to decrease the policy of the platoon to direct not only, essence of life catered to consumer to be opposite definitely can effect is outstanding of home appliance chase after ardently hold in both hands, more upgrade in drive industry green, optimize dweller life to experience the respect is acting the part that hold the balance. Act as in system of compressor frequency conversion ” central nervous ” small controller MCU, to modelling the core competition ability of market of frequency conversion home appliance character, its action is likewise crucial.

Wisdom drive frequency conversion, acme of heavy model home appliance experiences new dimension is spent

Frequency conversion technology in such as washing machine essence of life allows catharsis intelligence of rotate speed adjustment, freezer shines brilliantly in the application such as temperature management, the use easy that promoted an user significantly not only is measurable as convenient as the operation quality, more stayed in level of specific power consumption bright ” green impress ” , at the same time with the lower noise that start and vibration, gift the character feeling with more expensive product. The essence that its key depends on pair of compressor drive systems refines control, effective avoid the problem of high-energy bad news that the conventional device that decide frequency stops because of be being opened often or long-term high load capacity moves and produces.

In fact, consumer is the low starting noise of drive, small to home appliance frequency conversion electric current that start, fast start answer 3 big core to appeal to beg, its are the core technology such as algorithm of frequency conversion control, drive rear is puissant prop up, for infuse of home appliance semiconductor device new value connotation. Regard the direct of frequency conversion system as the center, MCU needs to be in charge of receiving signal of analytic and of all kinds input, if user set parameter, sensor monitors instruction of data, communication to wait, according to these information fact electric machinery of first-rate of chronometer cipher out controls strategy, include voltage, frequency, phasic those who wait for crucial parameter is careful change adjust, ensure home appliance equipment is below the premise that holds property, achieve remarkable energy-saving beneficial result.

To home appliance of high-end frequency conversion, MCU assumes main control function not only, still change intention of key of the play on degree in hoist intelligence. Send pursuit more as contemporary home appliance for example long-range monitoring, breakdown is diagnosed oneself, adjust independently wait for a function, be opposite in order to cater to consumer convenient change, the pursuit that individuation uses an experience, MCU can reach the process designing character with agile height by right of powerful data processing function, rich communication interface, without seam compositive and of all kinds intelligence to change module, satisfy the real time control of complex system and intelligent interconnection requirement, trends optimizes frequency conversion strategy, include but according to indoor temperature wind speed of self-adjusting air conditioning, or pledge according to clothings material beforehand set is optimal wash clothes program, let home appliance equipment hold an intelligence concurrently to change change with human nature idiosyncratic.

On the other hand, all through the ages of home appliance market is sensitive to the price, in the product the setting with poor dissimilation intense with each passing day competition falls, how to pass offer custom-built change plan, manufacturer of home appliance of the white that help strength realizes product diversity to change quickly, cut a figure in intense market competition thereby, it is the central issue that each MCU manufacturer considers.

Sexual price is provided than holding concurrently with function, soft hardware union makes system of drive of frequency conversion of high quality freezer

Regard mainland as 32 MCU market get army enterprise, million easy innovation upgrades for the innovation of home appliance industry offerred from yuan parts of an apparatus is chosen, those who develop support, referenced design to produce program to the quantity is all-around unifinication serves, the series MCU such as GD32E230xx, GD32F3x0 can be the white home appliance such as freezer and washing machine embedded driving and clever ” frequency conversion core ” . The solution of drive of washing machine frequency conversion that is based on GD32E230xx design for example had specific aim ground to solve impeller / the technical difficulty of platen washing machine, obtained new breakthrough, sampling of supportive double resistor falls a confusion of voices, use at compensation of dead band of IPM of low speed catharsis, weak magnetism to be used at platen / fast and drive of impeller high speed, reliable start, weigh heavy, apply the brake, lopsided detect reach dehydration protection to wait for all sorts of mature and reliable washing machine functions.

Be aimed at application of freezer frequency conversion, million easy innovation is more was based on GD32E230xx series MCU to develop frequency conversion drive to make key plan jointly with the partner, the control that depends on outstanding hardware performance and forward position is algorithmic, show a powerful market competition ability. Because GD32E230xx series MCU is based on ARM? Cortex? – M23 kernel, highest running frequency amounts to 72MHz, relatively be based on Cortex on market? – the congener product of M0 kernel, it can be in maintain exceed low power comsumption while the operation efficiency with taller implementation, this long-term to system of frequency conversion of white home appliance stability moves reach outstanding specific power consumption control is crucial.

Plan of drive of this frequency conversion uses advanced circuit design and PCB distribution technology, can come true 100 to 250 tile the unified PCB inside power limits is designed, enhance the versatility of the product significantly, reduce structural member design and maintain cost. Particular compressor drive dominates this program parameter and the characteristic with detached application software, the user changes compressor needs to update control parameter only, electronic-controlled need not alter with drive hardware. Current, plan supports a variety of mainstream compressor type extensively already, what offer major is custom-built comfortable distribute a service in order to satisfy personalized requirement.

In compressor, lube is being assumed lubricant, fall a confusion of voices, extract effect, fight the crucial task such as oxidation, the another big characteristic that buy intelligence returns oily platform function inside is this drive plan — after starting, drive system can guide compressor automatically to enter what set beforehand to answer limits of oily rotate speed, reduce effectively advocate accuse board the complexity of software, simplify systematic process designing works. In addition, plan is used jump advancedly frequency technology, allow an user to be set beforehand specific jump frequency dot, active escape may cause syntonic frequency extent, the mechanical vibration that avoids resonance to bring about thereby, noise increases and potential device damage, ensure the system moves smooth-going and risk of without reason barrier.

Durable and reliable the another key that is consumer preference home appliance thinks element, plan of drive of this frequency conversion abides by UL relative standard design strictly, the course is comprehensive, multidimensional degree (voltage, electric current, environment and laden condition) apply a condition actually to add strict test to ensure more than top-ranking character, provide rich and multivariate protection function (flow too, press too, too lukewarm, over- power, be short of photograph, locked-rotor to wait) , crucial protection sheds protection to use soft, hardware too like output double defend politic.

Software algorithm is the control strategy of hardware system and logistic core, divide hardware property outstanding outside, plan uses processor of high-powered number signal, be based on only resistance electric current sampling and patulous turn over electromotive force not to have sensor vector to control algorithm, those who implement drive system is efficient run, distinctive mixture arteries and veins is wide at the same time modulation technology, the photograph is more traditional and successive loss of switch of wide modulation technology is reduced 50% , on balance noise and efficiency foundation promotion drive runs efficiency integratedly. Easy innovation of profit from million and collaboration just are opposite the abidance of frequency conversion product research and development is devoted, this program applies successfully already in the product of manufacturer of domestic head home appliance, million is easy at the same time innovate also next generation MCU products that positive research and development is aimed at drive of electric machinery of white home appliance.

Win-win of industrial modes of life and relation to their environment, build all-around home appliance MCU serves matrix

Actually, when client of home appliance market is undertaking product type selecting to MCU manufacturer, innovate besides the abidance that inspects its to taste research and development newly ability, what take seriously likewise is a manufacturer ” soft ” actual strength, cover research and development devoted, article accuse ability, custom-built the support after the carry out before the carry out that changes complete lifecycle of service, product and the many sided such as the stable safeguard that offer money. To this, million easy innovation the ecosystem of MCU chip industry that active compose builds lubricious home appliance of service Yu Bai, already obtained positive result of plentiful and substantial.

Million easy innovation hand in hand compose of global zoology associate built complete product zoology system, roll out a variety of development environment IDE, development to cover RTOS of operating system of an EVB, real time, graph to change join of interfacial GUI, safe component, cloud to reach embedded AI solution, the video tutorial that offers each series on technical platform and short offer an user at any time online study. The development zoology that this abounds was design of home appliance manufacturer to offer great advantage not only, more the product value that reflected million easy innovation and service concept.

Construction is changed to go up in product platform, besides the GD32E230xx that applies to system of frequency conversion drive and GD32F3x0 series, GD32 MCU of million easy innovation is familial return the many category such as series of series of series of GD32L of include low power comsumption, wireless join GD32W and freeboard function GD32H, for the diversification application of home appliance setting offers rich product option. Be aimed at intelligent home appliance for example increasingly all-pervading screen indicates demand, the GD32H7 series MCU that the company rolls out more deployed but custom-built intelligent man-machine interface (HMI) function, support brim AI application, satisfy a variety of interactive requirement such as speech, gesticulation, feeling. And GD32 also depends on the low failure rate with outstanding industry, ensure below complex and changeful application setting product function is stabilized from beginning to end, fight electromagnetism formidably to disturbed ability to enhance the stability that home appliance runs further.

In addition, million easy innovation builds compact quality management system, implementation research and development, production and the entire chain closed circuit that offer money manage, ask in order to satisfy home appliance client to the high level of character and after service. Million easy innovation precedes with much home inside global limits brilliant round factory, enclose test factory to reach strategic partner concern, realize chinese mainland and overseas synchronous production and consign, the supply that relies on diversity catenary system and supply capacity neatly, answer market cycle effectively to fluctuate, ensure of client of contented home appliance purchase demand.

Technology of frequency conversion of white home appliance serves as what tendency of the market and technology innovate to hand in collect a place, started a trade not only can the new trend that effect upgrades, more modelled consumer to be opposite of high quality home appliance new expect. Be based on the plan of frequency conversion drive that MCU of series of GD32 of million easy innovation makes, the means that conduces to a client be being compared with tall sex price accelerates a product to appear on the market process, promote the market competition ability quickly.

Avoid duty statement: The article is reprint an article, reprint this article purpose to depend on passing more information, the person that copyright puts in original work ‘s charge is all. If involve work copyright issue,article place uses video, picture, written language, contact please small make up undertake handling.

Recommend read:

The high-pressured CV of MOSFET parts of an apparatus checks detailed solution

Meaning law semiconductor makes the world in Italy first one-stop carborundum industry garden

Single-phase light bend over and the develop of network system attacks structural brief introduction

Innovation frequency solution: Of analogy semiconductor homebred in high-power result puts a technology

Apply double MOSFET to avoid the effect of SEU