阅读说明：本技术 一种多噪声源设备防拍振的控制方法及控制装置 (A kind of anti-control method for clapping vibration of more noise source devices and control device ) 是由 肖彪 何志超 胡佳伟 陈成 何阿龙 于 2019-09-05 设计创作，主要内容包括：本发明公开了一种多噪声源设备防拍振的控制方法,用于对多个噪声源的变频空调进行控制,获取多噪声源设备的系统压力值,根据系统压力值确定是否进入防拍振控制；拍振类型确认步骤：当进入防拍振控制时,将压缩机运行频率区间分为多个子区间,并判断风机目标运行频率与上述多个子区间是否存在拍振噪声；防拍振调节步骤：当存在拍振噪声时,根据风机目标频率与存在拍振噪声的压缩机运行频率子区间的关系,调节风机的运行频率。本发明还公开了一种多噪声源设备防拍振的控制装置。本发明所述的控制装置基于性能优先为前提的防拍振控制,可根据实际情况调整进入防拍振控制的条件,避免了能力需求不足及能效过低的情况。(The invention discloses a kind of anti-control methods for clapping vibration of more noise source devices, control for the convertible frequency air-conditioner to multiple noise sources, obtain the system pressure value of more noise source devices, are determined whether to enter anti-bat vibration control according to system pressure value；It claps vibration type verification step: when into anti-bat vibration control, compressor operating frequency section being divided into multiple subintervals, and judge blower target operating frequency and above-mentioned multiple subintervals with the presence or absence of bat vibration noise；Anti- bat vibration regulating step: when there is bat vibration noise, according to blower target frequency and in the presence of the relationship in the compressor operating frequency subinterval for clapping the noise that shakes, the running frequency of blower is adjusted.The invention also discloses a kind of anti-control devices for clapping vibration of more noise source devices.Control device of the present invention is shaken based on the anti-bat premised on performance priority to be controlled, and can be adjusted into the anti-condition for clapping vibration control according to the actual situation, avoids the situation that ability need is insufficient and efficiency is too low.)

1. a kind of anti-control method for clapping vibration of more noise source devices, controls for the convertible frequency air-conditioner to multiple noise sources, It is characterized in that, mainly including the following steps:

The system pressure value for obtaining more noise source devices determines whether to enter anti-bat vibration control according to system pressure value；

It claps vibration type verification step: when entering anti-bat vibration control, compressor operating frequency section being divided into multiple subintervals, and Judge blower target operating frequency and above-mentioned multiple subintervals with the presence or absence of bat vibration noise；

Anti- bat vibration regulating step: it when there is bat vibration noise, is transported according to blower target frequency and in the presence of the compressor for clapping the noise that shakes The relationship in line frequency subinterval adjusts the running frequency of blower.

2. the anti-control method for clapping vibration of more noise source devices according to claim 1, which is characterized in that shake in the anti-bat In regulating step, the subinterval of multiple compressor operating frequencies and fan operation frequency, which exist, if it exists claps vibration noise, only to pressure Fan operation frequency in the subinterval of contracting machine running frequency is controlled, if the subinterval of compressor operating frequency and blower are transported Line frequency section is there is no vibration noise is clapped, and fan operation frequency is with the operation of blower target frequency.

3. the anti-control method for clapping vibration of more noise source devices according to claim 2, which is characterized in that the blower target Frequency is determined by current fan operation frequency, current system pressure value and target pressure value.

4. the anti-control method for clapping vibration of more noise source devices according to claim 1, which is characterized in that in bat vibration class In type verification step, compressor operating frequency range is divided into several subintervals, determine the subinterval of compressor operating frequency with Fan operation frequency separation causes the type for clapping vibration noise.

5. the anti-control method for clapping vibration of more noise source devices according to claim 4, which is characterized in that the compressor fortune The subinterval of line frequency and fan operation frequency separation cause the type for clapping vibration noise to include at least one frequency multiplication of compressor and blower Bat vibration noise caused by bat vibration noise, two frequency multiplication of compressor and blower rotational noise frequency tripling caused by one frequency multiplication of rotational noise, Vibration noise is clapped caused by one frequency multiplication of compressor and two frequency multiplication of blower rotational noise.

6. the anti-control method for clapping vibration of more noise source devices according to claim 5, which is characterized in that shake in the anti-bat In regulating step, corresponding anti-bat vibrating device is selected to make an uproar to eliminate to the bat vibration in the subinterval according to the type for clapping vibration noise Sound, anti-bat vibrating device is by selecting multiple blower Frequency points that bat vibration phenomenon is not present with compressor operating frequency range that will compress Machine running frequency subinterval is divided into multiple secondary subintervals, by comparing blower maximum frequency of operation, blower target frequency and institute The relationship for stating time subinterval, determines fan operation frequency value in the blower Frequency point or blower target frequency.

7. a kind of anti-control method for clapping vibration of convertible frequency air-conditioner, controls, feature for the convertible frequency air-conditioner to multiple noise sources It is, mainly including the following steps:

The system pressure value for obtaining more noise source devices determines whether to enter anti-bat vibration control according to system pressure value；

It claps vibration type verification step: when entering anti-bat vibration control, compressor operating frequency section being divided into multiple subintervals, and Judge blower target operating frequency and above-mentioned multiple subintervals with the presence or absence of bat vibration noise；

Anti- bat vibration regulating step: it when there is bat vibration noise, is transported according to blower target frequency and in the presence of the compressor for clapping the noise that shakes The relationship in line frequency subinterval adjusts the running frequency of blower.

8. the anti-control device for clapping vibration of a kind of more noise source devices, for controlling more noise source devices, which is characterized in that Include:

Pressure acquisition module (1), for obtaining the real system pressure value of air-conditioning system；

Blower target frequency determining module (2), for the goal systems pressure according to real system pressure value and air-conditioning system It is worth and determines blower target frequency；

Vibration determination type module (3) is clapped, for compressor operating frequency section to be divided into multiple subintervals, confirmation fan operation frequency Rate section and compressor operating frequency subinterval, which exist, claps vibration phenomenon；

Anti- bat vibration module, for according to blower target frequency, blower maximum frequency of operation and compressor operating frequency subinterval Determine fan operation frequency；

Control module (4) states the operation of fan operation frequency for controlling blower with described.

9. the anti-control device for clapping vibration of more noise source devices according to claim 8, which is characterized in that clapping, vibration type is true In cover half block (3), claps vibration type and include at least one frequency multiplication of compressor and clap vibration noise, pressure caused by one frequency multiplication of blower rotational noise Vibration noise, two frequency multiplication of one frequency multiplication of compressor and blower rotational noise are clapped caused by two frequency multiplication of contracting machine and blower rotational noise frequency tripling Caused bat vibration noise.

10. the anti-control device for clapping vibration of more noise source devices according to claim 9, which is characterized in that the anti-bat vibration Module is by selecting multiple blower Frequency points that bat vibration phenomenon is not present with compressor operating frequency range that compressor is run frequency Rate subinterval is divided into multiple secondary subintervals, by comparing blower maximum frequency of operation, blower target frequency and the secondary sub-district Between relationship, determine fan operation frequency value in the blower Frequency point or blower target frequency.

Technical field

The present invention relates to the anti-control methods and control for clapping vibration of air-conditioning technical field more particularly to a kind of more noise source devices Device.

Background technique

For possessing the frequency-variable air conditioner outdoor machine of multiple noise sources, such as single fan-compressor, double fan-compressor clap vibration Noise is a kind of generally existing total noise of centrifuge, and for the noise like in the excitation amplitude and close frequency of two sound sources, the two is folded Add the rear whole vibration amplitude externally showed with a kind of abnormal sound phenomenon of low frequency periodicity variation, because it has section Attribute is clapped, people's sensitivity can be allowed to discover, will have a direct impact on judge of the user to air-conditioning sound quality, there are serious complaint risks after sale.

Usually there are at least two noise sources: blower and compressor in air-conditioner outdoor unit, based on the above theory, when blower rotates When noise is close with compressor noise frequency, amplitude is close, air-conditioner outdoor unit will appear bat vibration noise；Furthermore blower rotates There is fundamental frequency noise and harmonic noise (frequency multiplication of fundamental frequency) in noise and compressor noise, therefore, air conditioner claps the main appearance of vibration In following several situations: 1. blower rotational noise fundamental frequency (rotational noise fundamental frequency=revolving speed * fan blade the piece number/60) and compressor are run Fundamental frequency is close；2. 2 frequencys multiplication of blower rotational noise fundamental frequency are close with compressor operating frequency；3. the 3 of blower rotational noise fundamental frequency Frequency multiplication is close with 2 frequencys multiplication of compressor operating frequency.

By theoretical research and experiment discovery, when both above-mentioned each case frequency difference is in 3Hz or more, vibration phenomenon is clapped It will have clear improvement, therefore if to optimize bat vibration noise, it is necessary to the running frequency of above-mentioned the two in each case is staggered 3Hz or more.

The Chinese patent of Publication No. CN 102721120A discloses a kind of vibration noise control method, mainly controls 2 frequency multiplication of blower rotational noise and the similar bat vibration noise of compressor frequency.It however is 2,3 the method discloses leaf blade number When piece, 4, the Frequency point that blower, compressor need to avoid does not illustrate practical control method, and do not consider blower rotational noise Fundamental frequency, blower rotational noise frequency tripling and compressor clap the case where shaking.

The Chinese patent of Publication No. CN 106016625A discloses a kind of bat vibration noise control method, in different pressures Contracting machine traffic coverage, respectively using corresponding specified rotation speed of fan.However the control method does not consider unit reliability and performance, There are performance insufficient (such as: the rotation speed of fan of actual performance demand is much higher than control revolving speed) or efficiency are lower (such as: actual performance The rotation speed of fan of demand is far below control revolving speed) the case where.

Summary of the invention

The purpose of the present invention is to provide a kind of anti-control method for clapping vibration of more noise source devices and control devices, to solve The technical issues of being mentioned in background technique.

To achieve the above object, the tool of the anti-control method for clapping vibration of a kind of more noise source devices of the invention and control device Body technique scheme is as follows:

A kind of anti-control method for clapping vibration of more noise source devices, controls for the convertible frequency air-conditioner to multiple noise sources, Mainly including the following steps:

The system pressure value for obtaining more noise source devices determines whether to enter anti-bat vibration control according to system pressure value；

It claps vibration type verification step: when entering anti-bat vibration control, compressor operating frequency section being divided into multiple sub-districts Between, and judge blower target operating frequency and above-mentioned multiple subintervals with the presence or absence of bat vibration noise；

Anti- bat vibration regulating step: when there is bat vibration noise, according to blower target frequency and in the presence of the compression for clapping the noise that shakes The relationship in machine running frequency subinterval, adjusts the running frequency of blower.

Further, in the anti-bat vibration regulating step, the subinterval of multiple compressor operating frequencies and wind if it exists Machine running frequency, which exists, claps vibration noise, only controls the fan operation frequency in the subinterval of compressor operating frequency, if The subinterval of compressor operating frequency and fan operation frequency separation are there is no vibration noise is clapped, and fan operation frequency is with blower target Frequency operation.

Further, the blower target frequency passes through current fan operation frequency, current system pressure value and target pressure Force value determines.

Further, in bat vibration type verification step, compressor operating frequency range is divided into several subintervals, The subinterval and fan operation frequency separation for determining compressor operating frequency cause the type for clapping vibration noise.

Further, the subinterval of the compressor operating frequency and fan operation frequency separation cause the class for clapping vibration noise Type includes at least bat vibration noise, two frequency multiplication of compressor and blower caused by one frequency multiplication of compressor and one frequency multiplication of blower rotational noise and revolves Turn to clap vibration noise caused by clapping vibration noise, one frequency multiplication of compressor and two frequency multiplication of blower rotational noise caused by noise frequency tripling.

Further, in the anti-bat vibration regulating step, according to the corresponding anti-bat vibration dress of the type selection for clapping vibration noise It sets to eliminate to the bat vibration noise in the subinterval, anti-bat vibrating device is by selecting multiple and compressor operating frequency range not Compressor operating frequency subinterval is divided into multiple secondary subintervals in the presence of the blower Frequency point for clapping vibration phenomenon, by comparing blower The relationship of maximum frequency of operation, blower target frequency and the secondary subinterval determines fan operation frequency in the blower frequency Value in point or blower target frequency.

A kind of anti-control method for clapping vibration of convertible frequency air-conditioner, controls, mainly for the convertible frequency air-conditioner to multiple noise sources Including the following steps:

The system pressure value for obtaining more noise source devices determines whether to enter anti-bat vibration control according to system pressure value；

It claps vibration type verification step: when entering anti-bat vibration control, compressor operating frequency section being divided into multiple sub-districts Between, and judge blower target operating frequency and above-mentioned multiple subintervals with the presence or absence of bat vibration noise；

Anti- bat vibration regulating step: when there is bat vibration noise, according to blower target frequency and in the presence of the compression for clapping the noise that shakes The relationship in machine running frequency subinterval, adjusts the running frequency of blower.

The anti-control device for clapping vibration of a kind of more noise source devices, for controlling more noise source devices, comprising:

Pressure acquisition module, for obtaining the real system pressure value of air-conditioning system；

Blower target frequency determining module, for the goal systems pressure according to real system pressure value and air-conditioning system It is worth and determines blower target frequency；

Vibration determination type module is clapped, for compressor operating frequency section to be divided into multiple subintervals, confirms fan operation There is the type clapped vibration phenomenon and clap vibration in frequency separation and compressor operating frequency subinterval；

Anti- bat vibration module, for according to type of shaking is clapped, determining fan operation frequency to eliminate and clap phenomenon of shaking；

Control module is run for controlling blower with above-mentioned fan operation frequency.

Further, it in clapping vibration determination type module, claps vibration type and is rotated including at least one frequency multiplication of compressor and blower It is clapped caused by one frequency multiplication of noise and claps vibration noise, compression caused by vibration noise, two frequency multiplication of compressor and blower rotational noise frequency tripling Vibration noise is clapped caused by one frequency multiplication of machine and two frequency multiplication of blower rotational noise.

Further, the anti-bat vibration module is by selecting multiple be not present with compressor operating frequency range to clap vibration phenomenon Blower Frequency point compressor operating frequency subinterval is divided into multiple secondary subintervals, by comparing blower maximum run frequency The relationship of rate, blower target frequency and the secondary subinterval determines fan operation frequency in the blower Frequency point or blower mesh Mark value in frequency.

The anti-control method for clapping vibration of a kind of more noise sources of the invention and control device have the advantage that

Control device of the present invention is shaken based on the anti-bat premised on performance priority to be controlled, and can be adjusted according to the actual situation Into the anti-condition for clapping vibration control, the situation that ability need is insufficient and efficiency is too low is avoided.

Further, control method of the present invention claps vibration type to three classes difference and provides corresponding anti-bat vibration mould Block, use can be freely combined in the anti-bat vibration module of three classes according to the actual situation, available most simple while vibration is clapped in effective solution Single control combination, avoids superfluous control.

Detailed description of the invention

Fig. 1 is the schematic diagram for clapping vibration wave shape in the prior art；

Fig. 2 is the flow diagram of the anti-control method for clapping vibration of the more noise source devices of the present invention；

Fig. 3 is the structural schematic diagram of the anti-control device for clapping vibration of the more noise source devices of the present invention.

Figure label explanation: 1, pressure acquisition module；2, blower target frequency determining module；3, it claps vibration type and determines mould Block；4, control module；5, the first anti-bat vibration module；6, the second anti-bat vibration module；7, the anti-bat vibration module of third.

Specific embodiment

It is with reference to the accompanying drawing, to one kind of the invention to make an uproar in order to be best understood from the purpose of the present invention, structure and function more The anti-control method and device for clapping vibration of sound source device do further detailed description.

Vibration phenomenon is clapped, is referred to when the excitation amplitude and close frequency of two sound sources, it is whole external after two sound source superpositions The phenomenon that vibration amplitude showed is changed with a kind of low frequencies periodic.Due to the phenomenon have it is apparent " it is strong-weak- By force-it is weak " beat attribute, allow people can sensitivity discover, so being referred to as " clap vibration ".

The anti-control method and device for clapping vibration of more noise source devices provided by the invention, are suitable for having DC speed-changing blower And the air conditioner of frequency-changeable compressor, it is particularly suitable for multisystem air conditioner device, such as band is there are two the air conditioner of blower, and there are two wind for band All blowers, can be set as synchronized, all compressors and be set as at the same speed, then using by machine, air conditioner of two compressors etc. Control method and device of the present invention are controlled.

In addition to this, more noise source devices with multiple compressors, blower, fan or engine are also applied for, such as band Two computer radiator, band frequency-changeable compressors of two air blowers of two frequency conversion fans or more, band frequency conversion fans or more Or more water chiller, vehicle, aircraft, the convertible frequency air-conditioner of two adjustable engines of band or more etc..

Before being illustrated to the anti-control method and device for clapping vibration of more noise source devices provided herein, first The mechanism for clapping vibration phenomenon is explained.

Wherein, two simple harmonic oscillation signals are the amplitude that x1 and x2, A1 and A2 are respectively two vibration signals, and ω 1 and ω 2 distinguish For the angular frequency of two vibration signals, φ₁And φ₂The respectively initial phase of two vibration signals, the composite signal of two simple harmonic oscillation signals For x, then x meets following formula:

X=x₁+x₂=A₁ sin(ω₁t+φ₁)+A₂ sin(ω₂t+φ₂)

The frequency phase-difference of two simple harmonic oscillations is smaller, i.e. ω=ω 2=ω 1+ Δ ω wherein, Δ ω very little.Then Δ ω very In the case where small, the variable more following formula of composite signal x:

X=A₁ sin(ωt+φ₁)+A₂ sin(ωt+φ₂)=A sin (ω t+ φ)

Wherein,

Resultant vibration after variation is " clapping vibration ", waveform as shown in Figure 1, remain as simple harmonic oscillation in form, but It is that the amplitude of the simple harmonic oscillation and phase are determined by above formula.

As shown in Fig. 2, the anti-control method for clapping vibration of more noise source devices of the invention, for being carried out to more noise source devices Control, mainly comprises the steps that

The system pressure value for obtaining more noise source devices determines whether to enter anti-bat vibration control according to system pressure value；

It claps vibration type verification step: when entering anti-bat vibration control, compressor operating frequency section being divided into multiple sub-districts Between, and judge blower target operating frequency and above-mentioned multiple subintervals with the presence or absence of bat vibration noise；

Anti- bat vibration regulating step: when there is bat vibration noise, according to blower target frequency and in the presence of the compression for clapping the noise that shakes The relationship in machine running frequency subinterval, adjusts the running frequency of blower.

When outdoor environment is more severe, blower is when highest frequency operation is still unable to control system pressure, unit performance Actual demand has been not achieved, entering back into anti-bat vibration control reduction blower frequency can reduce to unit performance is caused again, therefore, this Invent provide control method, it is more severe in environment, in the higher situation of machine set system pressure, pay the utmost attention to performance, not into Enter anti-bat vibration control；When system pressure is lower, shakes and control into anti-bat.

Further, in the system pressure value for obtaining more noise source devices, determine whether to enter according to system pressure value anti- It claps in vibration rate-determining steps, when system pressure value is greater than pressure threshold, into anti-bat vibration rate-determining steps.

Further, in anti-bat vibration rate-determining steps, the subinterval of multiple compressor operating frequencies and blower are transported if it exists Line frequency, which exists, claps vibration noise, only controls the fan operation frequency in the subinterval of compressor operating frequency, if compression The subinterval of machine running frequency and fan operation frequency separation are there is no vibration noise is clapped, and fan operation frequency is with blower target frequency Operation.

Further, blower target frequency passes through current fan operation frequency, current system pressure value and target pressure value It determines.By determine compressor operating frequency and outdoor unit work external environment dry-bulb temperature after, available one Goal pressure is controlled, the running frequency by increasing outdoor fan achievees the purpose that reduce system pressure, by reducing outdoor wind The running frequency of machine achievees the purpose that elevation system pressure.In the process, according to the difference of pressure and realistic objective pressure, Blower target frequency can be calculated by the following formula blower target frequency=current fan operation frequency+2* (current system pressure- Goal pressure) it is calculated.

Further, in clapping vibration type verification step, it is according to fan operation frequency and compressor operating frequency confirmation When system is with the presence or absence of vibration noise is clapped, compressor operating frequency range is divided into several subintervals, determines compressor operating frequency Subinterval and fan operation frequency separation cause the type for clapping vibration noise, and the corresponding anti-bat vibration mould of the type selection for clapping vibration noise Block is to eliminate to the bat vibration noise in above-mentioned subinterval.

Further, the subinterval of compressor operating frequency and fan operation frequency separation cause the type packet for clapping vibration noise It includes and claps vibration noise, two frequency multiplication of compressor and blower rotational noise three caused by one frequency multiplication of compressor and one frequency multiplication of blower rotational noise It is clapped caused by frequency multiplication and claps vibration noise etc. caused by vibration noise, one frequency multiplication of compressor and two frequency multiplication of blower rotational noise.

Further, in anti-bat vibration regulating step, according to the range in compressor operating frequency subinterval and blower target Frequency determines that the control method of fan operation frequency is as follows:

The left end point in compressor operating frequency subinterval is a, and the length in subinterval is b, be denoted as [a, b), wherein b >=5；

Choosing three, there is no the blower Frequency points for clapping vibration phenomenon to be divided into compressor operating frequency subinterval with compressor Four subintervals, first frequency point are less than the left end point in compressor operating frequency subinterval, and second frequency point is transported in compressor In line frequency subinterval, third Frequency point is greater than the right endpoint in compressor operating frequency subinterval, and four times subinterval is respectively (0, first frequency point), [first frequency point, second frequency point], (second frequency point, third Frequency point] and (third Frequency point, ∞), wherein the left end point in compressor operating frequency subinterval is in [first frequency point, second frequency point], the right side of compressor Endpoint be in (second frequency point, third Frequency point] in；

When blower maximum frequency of operation is greater than third Frequency point,

If blower target frequency is in (0, first frequency point) or the secondary subinterval (third Frequency point, ∞), then blower Running frequency is blower target frequency；

If blower target frequency is in [first frequency point, second frequency point] secondary subinterval, then the running frequency of blower For first frequency point；

If blower target frequency be in (second frequency point, third Frequency point] in secondary subinterval, then the running frequency of blower For third Frequency point；

When blower maximum frequency of operation is less than third Frequency point,

If blower target frequency be in [first frequency point, blower maximum frequency of operation) when, then the running frequency of blower is First frequency point；

If blower target frequency is in (0, first frequency point), then the running frequency of blower is blower target frequency.

Preferably, length b >=10 in fan operation frequency subinterval.

Further, when preventing bat vibration noise caused by one frequency multiplication of compressor and one frequency multiplication of blower rotational noise, first Frequency point is a-b/2, and second frequency point is a+b/2, and third Frequency point is a+3*b/2.

Further, when preventing bat vibration noise caused by two frequency multiplication of compressor and blower rotational noise frequency tripling, first Frequency point is 2*a/3-b/3, and second frequency point is 2*a/3+b/3, and third Frequency point is 2*a/3+b.

Further, when preventing bat vibration noise caused by one frequency multiplication of compressor and two frequency multiplication of blower rotational noise, first Frequency point is a/2-b/4, and second frequency point is a/2+b/4, and third Frequency point is a/2+3*b/4.

Individually below to bat vibration noise, two frequency multiplication of compressor caused by one frequency multiplication of compressor and one frequency multiplication of blower rotational noise It shakes with being clapped caused by bat vibration noise, two frequency multiplication of one frequency multiplication of compressor and blower rotational noise caused by blower rotational noise frequency tripling The control method that noise is controlled specifically describes, and the specific method is as follows:

First anti-bat vibration module is made an uproar to control one frequency multiplication of compressor with bat vibration caused by one frequency multiplication of blower rotational noise Sound, the specific control method is as follows:

Known a < compressor operating frequency≤a+b, wherein b >=5；

When a+3*b/2≤blower maximum frequency of operation,

If a-b/2≤blower target frequency≤a+b/2, fan operation frequency=a-b/2；

If a+b/2 < blower target frequency≤a+3*b/2, fan operation frequency=a+3*b/2；

If blower target frequency < a-b/2 or blower target frequency > a+3*b/2, fan operation frequency=blower mesh Mark frequency.

When a+3*b/2 > blower maximum frequency of operation,

If a-b/2≤blower target frequency≤blower maximum frequency of operation, fan operation frequency=a-b/2；

If blower target frequency < a-b/2, fan operation frequency=blower target frequency.

Second anti-bat vibration module is made an uproar to control two frequency multiplication of compressor with bat vibration caused by blower rotational noise frequency tripling Sound, specific control method are as follows:

Known a < compressor operating frequency≤a+b, wherein b >=5；

When 2*a/3+b≤blower maximum frequency of operation,

If 2*a/3-b/3≤blower target frequency≤2*a/3+b/3, fan operation frequency=2*a/3-b/3；

If 2*a/3+b/3 < blower target frequency≤2*a/3+b, fan operation frequency=2*a/3+b；

If blower target frequency < 2*a/3-b/3 or blower target frequency > 2*a/3+b, fan operation frequency=wind Machine target frequency.

When 2*a/3+b > blower maximum frequency of operation,

If 2*a/3-b/3≤blower target frequency≤blower maximum frequency of operation, fan operation frequency=2*a/3-b/ 3；

If blower target frequency < 2*a/3-b/3, fan operation frequency=blower target frequency.

The anti-bat vibration module of third is made an uproar for controlling one frequency multiplication of compressor with bat vibration caused by two frequency multiplication of blower rotational noise Sound, the specific control method is as follows:

Known a < compressor operating frequency≤a+b, wherein b >=5；

When a/2+3*b/4≤blower maximum frequency of operation,

If a/2-b/4≤blower target frequency≤a/2+b/4, fan operation frequency=a/2-b/4；

If a/2+b/4 < blower target frequency≤a/2+3*b/4, fan operation frequency=a/2+3*b/4；

If blower target frequency < a/2-b/4 or blower target frequency > a/2+3*b/4, fan operation frequency=wind Machine target frequency.

When a/2+3*b/4 > blower maximum frequency of operation,

If a/2-b/4≤blower target frequency≤blower maximum frequency of operation, fan operation frequency=a/2-b/4；

If blower target frequency < a/2-b/4, fan operation frequency=blower target frequency.

In above formula, the precondition of control are as follows: known a < compressor operating frequency≤a+b, wherein b >=10；A is equal with b For constant, that is to say, that this control mode is that the range of operation of compressor operation is divided into different subintervals, the length in subinterval Degree is b, when compressor operates in these sections, the bat vibration condition whether detection blower fan target frequency meets with upper module, If if satisfied, being not in then the Frequency point substitution for clapping vibration with one；If blower target frequency is unsatisfactory for clapping vibration condition, then wind Machine is still run with target frequency.Theoretically, the above anti-bat vibration module all can be used in all traffic coverages of compressor, but consider More complicated to controlling, the probability for control problem occur is bigger, it is proposed that in product design development phase by test to anti-bat vibration mould The applicable section of block is known the real situation, and optimum selecting section is controlled.For example, certain product is in compressor whole service section Only occur clapping vibration noise caused by one frequency multiplication of compressor and two frequency multiplication of blower rotational noise, can only select anti-the bats vibration module of third into Row control.

As shown in the following example, certain such as known model machine fan operation range: [10-40Hz], compressor are run detailed process Range: [20-100Hz].Subinterval length b=10Hz is set, compressor operating frequency is divided into 8 frequency bands:

[20,30]；(30,40]；(40,50]；(50,60]；(60,70]；(70,80]；(80,90]；(90,100].

Known the real situation by experiment find compressor (30,40] in, it may appear that one frequency multiplication of compressor and blower rotational noise one Vibration noise is clapped caused by frequency multiplication；(50,70] in section, it may appear that two frequency multiplication of compressor causes with blower rotational noise frequency tripling Bat shake noise；(70,90] in section, it may appear that one frequency multiplication of compressor with clap vibration caused by two frequency multiplication of blower rotational noise and make an uproar Sound.

According to the above experimental result, anti-the bats vibration module of this model machine anti-bat vibration module selection first, the second anti-bat are shaken module, the Three proofings are clapped vibration module three combination and are controlled；Control method is as follows:

When compressor operating frequency ∈ [20,30] Hz, fan operation frequency=blower target frequency；

When compressor operating frequency ∈ (30,40] Hz, shake module control interval into the first anti-bat, a=30, b=10；By In a+3*b/2=30+3*10/2=45Hz > blower maximum frequency of operation 40Hz；Therefore, if 25Hz≤blower target frequency≤ 40Hz, then fan operation frequency=25Hz；If blower target frequency < 25, fan operation frequency=blower target frequency.

When compressor operating frequency ∈ (40,50] Hz, fan operation frequency=blower target frequency；

When compressor operating frequency ∈ (50,60] Hz, shake module control interval into the second anti-bat, a=50, b=10；By In 2*a/3+b=2*50/3+10 ≈ 43Hz > blower maximum frequency of operation, therefore, if 30≤blower target frequency≤43, wind Machine running frequency=30Hz；If blower target frequency < 30, fan operation frequency=blower target frequency.

When compressor operating frequency ∈ (60,70], shake module control interval into the second anti-bat, a=60, b=10；Due to 2*a/3+b=2*60/3+10=50Hz > 40；Therefore, if 37≤fan operation frequency≤40, fan operation frequency= 37Hz；If blower target frequency < 37, fan operation frequency=blower target frequency.

When compressor operating frequency ∈ (70,80], into third shot shake control module control interval, a=70, b=10；By In a/2+3*b/4=35+7.5=42.5 > 40；Therefore, if 33≤blower target frequency≤40, fan operation frequency= 33Hz；If blower target frequency < 33, fan operation frequency=blower target frequency.

When compressor operating frequency ∈ (80,90], into third shot shake control module control interval, a=80, b=10；By In a/2+3*b/4=40+7.5=47.5 > 40；Therefore, if 37≤blower target frequency≤40, fan operation frequency= 37Hz；If blower target frequency < 37, fan operation frequency=blower target frequency；

When compressor operating frequency ∈ (90,100], fan operation frequency=blower target frequency.

From above example it can be seen that the size of b determines the number of compressor traffic coverage, i.e. compressor traffic coverage Number=(compressor maximum frequency of operation-compressor minimum running frequency)/b (is rounded) into one；And the size of b also influences Into the anti-size of the difference clapped between vibration control rear fan running frequency and target frequency, fan operation frequency and target frequency it Between difference it is bigger, the influence to unit performance is bigger；Difference between fan operation frequency and target frequency is smaller, to unit The influence of performance is smaller；Therefore, b can be adjusted according to model machine actual conditions；Preferably, desirable 10 b.

A kind of anti-control method for clapping vibration of convertible frequency air-conditioner, controls, mainly for the convertible frequency air-conditioner to multiple noise sources Including the following steps:

The system pressure value for obtaining more noise source devices determines whether to enter anti-bat vibration control according to system pressure value；

It claps vibration type verification step: when entering anti-bat vibration control, compressor operating frequency section being divided into multiple sub-districts Between, and judge blower target operating frequency and above-mentioned multiple subintervals with the presence or absence of bat vibration noise；

Anti- bat vibration regulating step: when there is bat vibration noise, according to blower target frequency and in the presence of the compression for clapping the noise that shakes The relationship in machine running frequency subinterval, adjusts the running frequency of blower.

As shown in figure 3, a kind of anti-control device for clapping vibration of more noise source devices, for being controlled to more noise source devices System, control device include pressure acquisition module 1, blower target frequency determining module 2, clap vibration determination type module 3, anti-bat vibration mould Block and control module 4, in which:

Pressure acquisition module 1, for obtaining the real system pressure value of air-conditioning system；

Blower target frequency determining module 2, for the goal systems pressure according to real system pressure value and air-conditioning system Force value determines blower target frequency；

Vibration determination type module 3 is clapped, for compressor operating frequency section to be divided into multiple subintervals, confirms fan operation There is the type clapped vibration phenomenon and clap vibration in frequency separation and compressor operating frequency subinterval；

Anti- bat vibration module, for according to type of shaking is clapped, determining fan operation frequency to eliminate and clap phenomenon of shaking；

Control module 4 is run for controlling blower with above-mentioned fan operation frequency.

Further, in clapping vibration determination type module 3, clapping vibration type includes one frequency multiplication of compressor and blower rotational noise It is clapped caused by one frequency multiplication and claps vibration noise, compressor one caused by vibration noise, two frequency multiplication of compressor and blower rotational noise frequency tripling Vibration noise etc. is clapped caused by frequency multiplication and two frequency multiplication of blower rotational noise.

Further, anti-bat vibration module, which passes through, selects multiple wind for being not present with compressor operating frequency range and clapping phenomenon of shaking Compressor operating frequency subinterval is divided into multiple secondary subintervals by unit frequency point, by comparing blower maximum frequency of operation, wind The relationship of machine target frequency and the secondary subinterval determines fan operation frequency in the blower Frequency point or blower target frequency Middle value.

Further, anti-bat vibration module includes multiple, and multiple anti-vibration modules of clapping are respectively used to eliminate the bat vibration of single type Noise, multiple anti-bat vibration modules are used singly or in combination.In this application, anti-bat vibration module includes three, respectively The first anti-bat vibration anti-bat of module 5, second vibration module 6 and the anti-bat vibration module 7 of third, the first anti-bat vibration module 5 is for eliminating compression Vibration noise is clapped caused by one frequency multiplication of machine and one frequency multiplication of blower rotational noise, the second anti-bat vibration module 6 is for eliminating two times of compressor Frequency and bat vibration noise caused by blower rotational noise frequency tripling；The anti-bat vibration module 7 of third is for eliminating one frequency multiplication of compressor and wind Vibration noise is clapped caused by two frequency multiplication of machine rotational noise.

The control method claps vibration type to three classes difference and provides corresponding anti-bat vibration module, and the anti-bat vibration module of three classes can root It is freely combined and uses according to actual conditions, while vibration is clapped in effective solution, available simplest control combination avoids surplus Control.The control device is shaken based on the anti-bat premised on performance priority to be controlled, and can be adjusted into anti-bat vibration control according to the actual situation The condition of system avoids the situation that ability need is insufficient and efficiency is too low.

It is appreciated that the present invention is described by some embodiments, and what those skilled in the art knew, it is not taking off In the case where from the spirit and scope of the present invention, various changes or equivalence replacement can be carried out to these features and embodiment.Separately Outside, under the teachings of the present invention, can modify to these features and embodiment with adapt to particular situation and material without The spirit and scope of the present invention can be detached from.Therefore, the present invention is not limited to the particular embodiment disclosed, and is fallen with Embodiment within the scope of claims hereof belong to the present invention protect in the range of.