CN106685381A - PWM (Pulse Width Modulation) signal frequency adjusting method and device of UPS (Uninterrupted Power Source) - Google Patents
PWM (Pulse Width Modulation) signal frequency adjusting method and device of UPS (Uninterrupted Power Source) Download PDFInfo
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- CN106685381A CN106685381A CN201510740585.5A CN201510740585A CN106685381A CN 106685381 A CN106685381 A CN 106685381A CN 201510740585 A CN201510740585 A CN 201510740585A CN 106685381 A CN106685381 A CN 106685381A
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Abstract
The invention provides a PWM signal frequency adjusting method and device of a UPS. The UPS comprises a power module and a load. The adjusting method comprises the following steps that the load capacity of the load is measured; and a PWM signal in the frequency corresponding to a value interval of the measured load capacity is provided. The adjusting method enables high efficiency and low noise of the UPS.
Description
Technical field
The present invention relates to uninterrupted power source field, and in particular to the pulse-width signal in uninterrupted power source
The control method and adjusting means of frequency.
Background technology
Uninterrupted power source includes power model (such as rectifier, inverter) and for power model
In switching tube (such as insulated gate bipolar transistor) provide pulse-width signal (PWM) control
Device processed.As the frequency of pwm signal increases, the loss increase of switching tube, efficiency are reduced, from
And cause the temperature of power model to raise.In order to improve the efficiency of switching tube, need to reduce PWM letters
Number frequency.
When power model works, high frequency electric therein can flow through the inductance in uninterrupted power source, electricity
The magnetic core and wire of sense can be with identical hunting of frequency, so as to produce and pwm signal same frequency
Noise.Because the audio frequency range that human ear can be heard is 20Hz-20KHz, with noise frequency
Raise, the sensitivity decrease of human ear, the noise heard will be reduced.In order to reduce making an uproar for uninterrupted power source
Sound, needs the frequency for increasing pwm signal.
Therefore, in order to realize the higher operating efficiency of uninterrupted power source and relatively low noise simultaneously, generally
Determine a suitable frequency, and the pwm signal of the frequency is provided to switching tube by control device.
But, the pwm signal of fixed frequency being provided to switching tube, can not take into account at any time
The high efficiency and low noise of uninterrupted power source.
The content of the invention
For above-mentioned prior art exist problem, An embodiment provides one kind not between
The control method of the pulse-width signal frequency in power-off source, the uninterrupted power source include power model and
Load, control method comprises the following steps：
1) load capacity of the load is measured；
2) the pulsewidth modulation letter of the frequency corresponding with the interval that the load capacity of measurement is located is provided
Number.
Preferably, in the step 1) in, measure the temperature of the power model；In the step
2) in, there is provided the interval being located with the load capacity of measurement and the temperature of the power model are located
The corresponding frequency of interval pulse-width signal.
Preferably, in the step 2) in, when the load capacity is not less than the first of rated weight capacity
During predetermined percentage, there is provided the pulse-width signal of first frequency；Or when the load capacity is less than specified
During the first predetermined percentage of load capacity, there is provided the pulse-width signal of second frequency, wherein described
One frequency is less than the second frequency.
Preferably, in the step 2) in, when the load capacity is not less than the first of rated weight capacity
When the temperature of predetermined percentage and/or the power model is not less than predetermined temperature value, there is provided the first frequency
The pulse-width signal of rate；Or when the load capacity is less than the first predetermined percentage of rated weight capacity,
And the temperature of the power model be less than predetermined temperature value when, there is provided second frequency pulsewidth modulation letter
Number, wherein the first frequency is less than the second frequency.
Preferably, in the step 2) in provide after the pulse-width signal of the second frequency according to
Secondary execution following steps：Measure the load capacity of the load and the temperature of the power model；And step
It is rapid 3), when the load capacity is less than the second predetermined percentage of rated weight capacity, and the power model
Temperature be less than predetermined temperature value when, there is provided the pulse-width signal of the second frequency；Or work as institute
Load capacity is stated not less than the second predetermined percentage of rated weight capacity and/or the temperature of the power model
During not less than predetermined temperature value, there is provided the pulse-width signal of first frequency, described second predetermined hundred
Divide than more than first predetermined percentage.
Preferably, in the step 1) before, there is provided the pulse-width signal of first frequency；Institute
State step 2) in, when the load capacity it is first pre- less than rated weight capacity always in the given time
Determine percentage, and the temperature of the power model is less than always predetermined temperature within the scheduled time
During value, there is provided the pulse-width signal of second frequency；When the load capacity in the given time not always
Less than the first predetermined percentage of rated weight capacity or the temperature of the power model in the pre- timing
It is interior not always be less than predetermined temperature value when, there is provided the pulse-width signal of first frequency；Wherein institute
First frequency is stated less than the second frequency.
Preferably, in the step 2) in provide after the pulse-width signal of the second frequency according to
Secondary execution following steps：Measure the load capacity of the load and the temperature of the power model；And step
It is rapid 4), when the load capacity not less than rated weight capacity the first predetermined percentage and/or the power
When the temperature of module is not less than predetermined temperature value, there is provided the pulse-width signal of the first frequency；
Or when the load capacity is less than the first predetermined percentage of rated weight capacity, and the temperature of the power model
When degree is less than predetermined temperature value, there is provided the pulse-width signal of the second frequency.
Preferably, in the step 2) in provide after the pulse-width signal of the second frequency according to
Secondary execution following steps：Measure the load capacity of the load and the temperature of the power model；And step
It is rapid 5), when the load capacity is less than the second predetermined percentage of rated weight capacity, and the power model
Temperature be less than predetermined temperature value when, there is provided the pulse-width signal of the second frequency；Or work as institute
Load capacity is stated not less than the second predetermined percentage of rated weight capacity and/or the temperature of the power model
During not less than predetermined temperature value, there is provided the pulse-width signal of first frequency, described second predetermined hundred
Divide than more than first predetermined percentage.
Preferably, in the step 1) before, there is provided the pulse-width signal of first frequency；Described
Step 2) in, when the load capacity is not less than the 3rd percentage of rated weight capacity, and/or the work(
When the temperature of rate module is not less than predetermined temperature value, there is provided the pulse-width signal of first frequency；When
The load capacity is not less than the 4th percentage of rated weight capacity and less than the 300th of rated weight capacity the
When dividing ratio, and the temperature of the power model to be less than predetermined temperature value, there is provided the pulsewidth of the 3rd frequency
Modulated signal；Or when the load capacity is less than the 4th percentage of rated weight capacity, and the power mould
When the temperature of block is less than predetermined temperature value, there is provided the pulse-width signal of the 4th frequency；It is wherein described
3rd percentage is more than the 4th percentage, and described first, the third and fourth frequency increases successively.
Preferably, in the step 2) in provide after the pulse-width signal of the 4th frequency according to
Secondary execution following steps：Measure the load capacity of the load and the temperature of the power model；And step
It is rapid 6), when the load capacity is less than the 5th percentage of rated weight capacity, and the temperature of the power model
When degree is less than predetermined temperature value, there is provided the pulse-width signal of the 4th frequency；When the load
Amount is not less than the 5th percentage of rated weight capacity and less than the 6th percentage of rated weight capacity, and institute
When the temperature for stating power model is less than predetermined temperature value, there is provided the pulse-width signal of the 3rd frequency；
Or when the load capacity is not less than the 6th percentage of rated weight capacity and/or the temperature of the power model
When degree is not less than predetermined temperature value, there is provided the pulse-width signal of first frequency；Wherein described 5th
More than the 4th percentage and less than the 3rd percentage, the 6th percentage is more than percentage
3rd percentage.
Preferably, in the step 2) in provide after the pulse-width signal of the 3rd frequency according to
Secondary execution following steps：Measure the load capacity of the load and the temperature of the power model；And step
It is rapid 7), when the load capacity is less than the 4th percentage of rated weight capacity, and the temperature of the power model
When degree is less than predetermined temperature value, there is provided the pulse-width signal of the 4th frequency；When the load
Amount is not less than the 4th percentage of rated weight capacity and less than the 6th percentage of rated weight capacity, and institute
When the temperature for stating power model is less than predetermined temperature value, there is provided the pulse-width signal of the 3rd frequency；
Or when the load capacity is not less than the 6th percentage of rated weight capacity and/or the temperature of the power model
When degree is not less than predetermined temperature value, there is provided the pulse-width signal of first frequency；Wherein described 5th
More than the 4th percentage and less than the 3rd percentage, the 6th percentage is more than percentage
3rd percentage.
Preferably, in the step 1) before, there is provided the pulse-width signal of first frequency；Institute
State step 2) in, when the load capacity is in the given time always less than the 400th of rated weight capacity the
Divide ratio, and the temperature of the power model is less than always predetermined temperature value within the scheduled time
When, there is provided the pulse-width signal of the 4th frequency；When the load capacity meets always in the given time
It is not less than the 4th percentage of rated weight capacity and less than the 3rd percentage of rated weight capacity and described
When the temperature of power model is less than predetermined temperature value always within the scheduled time, there is provided the 3rd frequency
The pulse-width signal of rate；
Wherein described 3rd percentage is more than the 4th percentage, the described first, third and fourth frequency
Rate increases successively.
One embodiment of the present of invention additionally provides a kind of pulse-width signal frequency of uninterrupted power source
Adjusting means, the uninterrupted power source includes power model and load, and the adjusting means includes：
Load measuring device, for measuring the load capacity of the load；And
Control device, for providing the frequency corresponding with the interval at the load capacity place for measuring
Pulse-width signal.
Preferably, the adjusting means also includes temperature measuring equipment, for measuring the power model
Temperature, the control device is used to providing and the load capacity that measures is located interval and the work(
The pulse-width signal of the corresponding frequency of interval that the temperature of rate module is located.
The control method of the present invention causes uninterrupted power source while meeting high efficiency and the individual character of low noise two
Can parameter request.
Description of the drawings
Referring to the drawings embodiments of the present invention is further illustrated, wherein：
Fig. 1 is the flow chart of the control method according to first embodiment of the invention.
Fig. 2 is the flow chart of the control method according to second embodiment of the invention.
Fig. 3 is the flow chart of the control method according to third embodiment of the invention.
Fig. 4 is the flow chart of the control method according to four embodiment of the invention.
Fig. 5 is the flow chart of the control method according to fifth embodiment of the invention.
Fig. 6 is the flow chart of the control method according to sixth embodiment of the invention.
Fig. 7 is the flow chart of the control method according to seventh embodiment of the invention.
Fig. 8 is the flow chart of the control method according to eighth embodiment of the invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing
By specific embodiment, the present invention is described in more detail.
Fig. 1 is the flow chart of the control method according to first embodiment of the invention.
Step 11, to switching tube the pulse-width signal PWM1 of 10KHz is provided, and measures load
Load capacity.
Step 12, the load capacity of measurement is compared with the predetermined percentage of rated weight capacity, according to
The load capacity of measurement provides the pulse-width signal of corresponding frequencies.Hereinafter will illustrate in two kinds of situation to provide
Pulse-width signal.Step 121, when load capacity is less than the 75% of rated weight capacity P, then to opening
Close pipe and the pulse-width signal PWM2 of 20KHz is provided, and measure the load capacity of load again.Step
122, when load capacity is not less than the 75% of rated weight capacity, the pulsewidth for providing 10KHz to switching tube is adjusted
Signal PWM1 processed, and the load capacity of load is measured again.
Step 13, repeat the above steps 12.
Fig. 2 is the flow chart of the control method according to second embodiment of the invention.
Step 21, to switching tube the pulse-width signal PWM1 of 10KHz is provided, and measures load
Load capacity and power model temperature.
Step 22, the load capacity of measurement is compared with the predetermined percentage of rated weight capacity, and will
The temperature of power model is compared with predetermined temperature value T, according to load size and power model
Temperature provide corresponding frequencies pulse-width signal.Step 221, if load capacity is negative less than specified
The 75% of carrying capacity, and the temperature of power model is less than predetermined temperature value, then provide to switching tube
The pulse-width signal PWM2 of 20KHz, and the load capacity of load and the temperature of power model are measured again
Degree.Step 222, if load capacity is not less than the 75% of rated weight capacity, and/or the temperature of power model
Degree is not less than predetermined temperature value, then the pulse-width signal PWM1 of 10KHz is provided to switching tube,
And measure the load capacity of load and the temperature of power model again.
Step 23, repeat step 22.
Fig. 3 is the flow chart of the control method according to third embodiment of the invention.
The step of step 31, second control method of execution 21.
The step of step 32, second control method of execution 22.
Step 33, execution step 331 or step 332 after step 221, or step 222 it
Execution step 32 afterwards.Wherein step 331, if load capacity is less than the 80% of rated weight capacity, and work(
The temperature of rate module is less than predetermined temperature value, then the pulse-width signal of 20KHz is provided to switching tube
PWM2, and the load capacity of load and the temperature of power model are measured again.Step 332, if load
Amount is not less than the 80% of rated weight capacity, and/or the temperature of power model is not less than predetermined temperature value,
Then the pulse-width signal PWM1 of 10KHz is provided to switching tube, and measure the load capacity of load again
With the temperature of power model.
In step 331 and 332, load capacity is compared with the 80% of rated weight capacity, is brought
Beneficial effect be：Even if the load capacity of load changes near the 75% of rated weight capacity (being less than
5%), also it is avoided that the frequency of pulse-width signal as the variation of load capacity is in 10KHz and 20KHz
Between frequent switching.
Fig. 4 is the flow chart of the control method according to four embodiment of the invention.
Step 41, provides the pulse-width signal of 10KHz in a predetermined time to switching tube
PWM1, and the load capacity of load and the temperature of power model are measured within the predetermined time.
Step 42, the load capacity of measurement is compared with the predetermined percentage of rated weight capacity, and will
The temperature of power model is compared with predetermined temperature value, according to load size and power model
Temperature provides the pulse-width signal of corresponding frequencies.Step 421, if load capacity and power model
Temperature is respectively smaller than 75% He of rated weight capacity in a duration (such as in 10 minutes)
Less than predetermined temperature value, then the pulse-width signal PWM2 of 20KHz is provided to switching tube, and
The load capacity of load and the temperature of power model are measured again；Step 422, otherwise provides 10 to switching tube
The pulse-width signal PWM1 of KHz, and the load capacity of load and the temperature of power model are measured again.
Step 43, after step 421, performs the step 221 or step in second control method
222；Or after step 422 execution step 42 again).
Fig. 5 is the flow chart of the control method according to fifth embodiment of the invention.The tune of itself and the 4th kind
Section method is essentially identical, and difference is, after step 421, execution step 331 or step 332.
Below with reference to output three frequencies pulse-width signal situation to the present invention regulation side
Method is described in detail.
Fig. 6 is the flow chart of the control method according to sixth embodiment of the invention.
Step 61, to switching tube the pulse-width signal PWM1 of 10KHz is provided, and measures load
Load capacity and power model temperature.
Step 62, according to the temperature of load size and power model the pulsewidth modulation of corresponding frequencies is provided
Signal.The load capacity of measurement is compared with the predetermined percentage of rated weight capacity, and by power mould
The temperature of block is compared with predetermined temperature value.Step 621, if load capacity is less than nominal load
The 50% of amount, and the temperature of power model is less than predetermined temperature value, then provide 20KHz to switching tube
Pulse-width signal PWM2, and measure the load capacity of load and the temperature of power model again.Step
622, if load capacity rated weight capacity [50%, 75%), and the temperature of power model is less than pre-
Fixed temperature value, then provide the pulse-width signal PWM3 of 15KHz to switching tube, and measures again
The load capacity of load and the temperature of power model.Step 623, if load capacity is not less than nominal load
The 75% of amount, or/and the temperature of power model is not less than predetermined temperature value, then provide to switching tube
The pulse-width signal PWM1 of 10KHz, and the load capacity of load and the temperature of power model are measured again
Degree.
Step 63, execution step 62.
Fig. 7 is the flow chart of the control method according to seventh embodiment of the invention.
Step 71, performs the step 61 in the 6th kind of control method.
Step 72, performs the step 62 in the 6th kind of control method.
Step 73, after step 621, if load capacity is less than the 55% of rated weight capacity, and work(
The temperature of rate module is less than predetermined temperature value, then the pulse-width signal of 20KHz is provided to switching tube
PWM2, and the load capacity of load and the temperature of power model are measured again；If load capacity is specified negative
Carrying capacity [55%, 80%), and the temperature of power model be less than predetermined temperature value, then carry to switching tube
For the pulse-width signal PWM3 of 15KHz, and the load capacity and power model of load are measured again
Temperature；If load capacity is not less than the 80% of rated weight capacity, or/and the temperature of power model is not less than
Predetermined temperature value, then provide the pulse-width signal PWM1 of 10KHz to switching tube, and surveys again
The load capacity of amount load and the temperature of power model.After step 622, if load capacity is less than volume
The 50% of fixed load amount, and the temperature of power model is less than predetermined temperature value, then provide to switching tube
The pulse-width signal PWM2 of 20KHz, and the load capacity of load and the temperature of power model are measured again
Degree；If load capacity rated weight capacity [50%, 80%), and the temperature of power model is less than predetermined
Temperature value, then the pulse-width signal PWM3 of 15KHz is provided to switching tube, and measure again negative
The load capacity of load and the temperature of power model；If load capacity is not less than the 80% of rated weight capacity, or
/ be not less than predetermined temperature value with the temperature of power model, then the pulsewidth of 10KHz is provided to switching tube
Modulated signal PWM1, and the load capacity of load and the temperature of power model are measured again.In step 623
Afterwards, execution step 72, Fig. 7 is not shown.
Fig. 8 is the flow chart of the control method according to eighth embodiment of the invention.
Step 81, provides the pulse-width signal of 10KHz in a predetermined time to switching tube
PWM1, and the load capacity of load and the temperature of power model are measured within the predetermined time.
Step 82, the load capacity of measurement is compared with the predetermined percentage of rated weight capacity, and will
The temperature of power model is compared with predetermined temperature value, according to load size and power model
Temperature provides the pulse-width signal of corresponding frequencies.Step 821, if load capacity and power model
Temperature is respectively smaller than 50% He of rated weight capacity in a duration (such as in 10 minutes)
Less than predetermined temperature value, then the pulse-width signal PWM2 of 20KHz is provided to switching tube, and
The load capacity of load and the temperature of power model are measured again；Step 822, if load capacity continues one
Time in (such as in 10 minutes) always rated weight capacity [50%, 75%), power model
Temperature predetermined temperature value is less than (such as in 10 minutes) in a duration, then to opening
Close pipe and the pulse-width signal PWM3 of 15KHz is provided, and measure the load capacity and power of load again
The temperature of module；Step 823, otherwise provides the pulse-width signal PWM1 of 10KHz to switching tube,
And measure the load capacity of load and the temperature of power model again.
Step 83, after step 821, execution step 62；Or after step 822, perform
Step 821, step 622 or 623；Or after step 823, execution step 82.
When the load capacity of load reduces, the pulsewidth that control method of the invention is increased by output frequency
Modulated signal, meets efficient while reducing the noise of uninterrupted power source generation.When bearing for load
When carrying capacity increases, the pulse-width signal that control method of the invention is reduced by output frequency meets
Efficiency is increased while low noise.The frequency of the control method dynamic regulation pulse-width signal of the present invention
Rate so that uninterrupted power source meets high efficiency and the performance parameter of low noise two simultaneously.
Concrete numerical value in the above-mentioned control method of the present invention is not intended to limit the invention, at it
In his embodiment, the arteries and veins of other frequencies corresponding with other intervals of load capacity can also be provided
Wide modulated signal.
One embodiment of the present of invention additionally provides a kind of adjusting means of pulse-width signal frequency, bag
Load measuring device is included, for measuring the load capacity of the load；And control device, for carrying
For the pulse-width signal of the frequency corresponding with the interval that the load capacity of measurement is located.
In another preferred embodiment, adjusting means also includes temperature measuring equipment, for measuring
The temperature of the power model, the control device is used for the value that load capacity is located for providing and measuring
The pulsewidth modulation letter of the interval frequency corresponding with the temperature of the power model is located interval
Number.Those skilled in the art can adopt the required frequency of existing PWM controller generation
Pwm signal.Value wherein in period register determines the frequency of pwm signal, compares deposit
Value in device determines the dutycycle of pwm signal, and the value in counter register is more than comparand register
In value when export high level.Therefore, when needing the frequency by pwm signal to increase to from 10KHz
20KHz, and dutycycle keep it is constant when, the value in period register and comparand register is all reduced
Half.When needing for the frequency of pwm signal to be reduced to 10KHz, and dutycycle from 20KHz
When constant, the value in period register and comparand register all doubled and returns to former numerical value i.e.
Can.
Although the present invention has been described by means of preferred embodiments, but the present invention is not limited to
Embodiment as described herein, also includes without departing from the present invention done various
Change and change.
Claims (14)
1. the control method of the pulse-width signal frequency of a kind of uninterrupted power source, the uninterrupted electricity
Source includes power model and load, it is characterised in that comprise the following steps：
1) load capacity of the load is measured；
2) the pulsewidth modulation letter of the frequency corresponding with the interval that the load capacity of measurement is located is provided
Number.
2. the regulation side of the pulse-width signal frequency of uninterrupted power source according to claim 1
Method, it is characterised in that
In the step 1) in, measure the temperature of the power model；
In the step 2) in, there is provided the interval being located with the load capacity of measurement and the power
The pulse-width signal of the corresponding frequency of interval that the temperature of module is located.
3. the regulation side of the pulse-width signal frequency of uninterrupted power source according to claim 1
Method, it is characterised in that in the step 2) in, when the load capacity is not less than rated weight capacity
During the first predetermined percentage, there is provided the pulse-width signal of first frequency；Or when the load capacity is less than
During the first predetermined percentage of rated weight capacity, there is provided the pulse-width signal of second frequency, wherein institute
First frequency is stated less than the second frequency.
4. the regulation side of the pulse-width signal frequency of uninterrupted power source according to claim 2
Method, it is characterised in that in the step 2) in, when the load capacity is not less than rated weight capacity
When the temperature of the first predetermined percentage and/or the power model is not less than predetermined temperature value, there is provided the
The pulse-width signal of one frequency；Or when the load capacity is less than the first predetermined percentage of rated weight capacity
Than, and the temperature of the power model is when being less than predetermined temperature value, there is provided the pulsewidth of second frequency is adjusted
Signal processed, wherein the first frequency is less than the second frequency.
5. the regulation side of the pulse-width signal frequency of uninterrupted power source according to claim 4
Method, it is characterised in that in the step 2) in provide the second frequency pulse-width signal it
Perform following steps successively afterwards：
Measure the load capacity of the load and the temperature of the power model；And
Step 3), when the load capacity is less than the second predetermined percentage of rated weight capacity, and the work(
When the temperature of rate module is less than predetermined temperature value, there is provided the pulse-width signal of the second frequency；
Or when the load capacity is not less than second predetermined percentage and/or the power model of rated weight capacity
Temperature be not less than predetermined temperature value when, there is provided the pulse-width signal of first frequency, described second
Predetermined percentage is more than first predetermined percentage.
6. the regulation side of the pulse-width signal frequency of uninterrupted power source according to claim 2
Method, it is characterised in that
In the step 1) before, there is provided the pulse-width signal of first frequency；
In the step 2) in, when the load capacity is less than always in the given time rated weight capacity
The first predetermined percentage, and the temperature of the power model within the scheduled time always less than pre-
During fixed temperature value, there is provided the pulse-width signal of second frequency；When the load capacity is in the scheduled time
Inside not always less than the first predetermined percentage of rated weight capacity or the temperature of the power model in institute
State when not being less than predetermined temperature value always in the scheduled time, there is provided the pulsewidth modulation letter of first frequency
Number；
Wherein described first frequency is less than the second frequency.
7. the regulation side of the pulse-width signal frequency of uninterrupted power source according to claim 6
Method, it is characterised in that in the step 2) in provide the second frequency pulse-width signal it
Perform following steps successively afterwards：
Measure the load capacity of the load and the temperature of the power model；And
Step 4), when the load capacity is not less than the first predetermined percentage of rated weight capacity and/or institute
When the temperature for stating power model is not less than predetermined temperature value, there is provided the pulsewidth modulation of the first frequency
Signal；Or when the load capacity is less than the first predetermined percentage of rated weight capacity, and the power mould
When the temperature of block is less than predetermined temperature value, there is provided the pulse-width signal of the second frequency.
8. the regulation side of the pulse-width signal frequency of uninterrupted power source according to claim 6
Method, it is characterised in that in the step 2) in provide the second frequency pulse-width signal it
Perform following steps successively afterwards：
Measure the load capacity of the load and the temperature of the power model；And
Step 5), when the load capacity is less than the second predetermined percentage of rated weight capacity, and the work(
When the temperature of rate module is less than predetermined temperature value, there is provided the pulse-width signal of the second frequency；
Or when the load capacity is not less than second predetermined percentage and/or the power model of rated weight capacity
Temperature be not less than predetermined temperature value when, there is provided the pulse-width signal of first frequency, described second
Predetermined percentage is more than first predetermined percentage.
9. the regulation side of the pulse-width signal frequency of uninterrupted power source according to claim 2
Method, it is characterised in that
In the step 1) before, there is provided the pulse-width signal of first frequency；
In the step 2) in, when the load capacity is not less than the 3rd percentage of rated weight capacity,
And/or the temperature of the power model is when being not less than predetermined temperature value, there is provided the pulsewidth of first frequency is adjusted
Signal processed；When the load capacity is not less than the 4th percentage of rated weight capacity and less than rated weight capacity
The 3rd percentage, and the temperature of the power model be less than predetermined temperature value when, there is provided the 3rd frequency
The pulse-width signal of rate；Or when the load capacity is less than the 4th percentage of rated weight capacity, and institute
When the temperature for stating power model is less than predetermined temperature value, there is provided the pulse-width signal of the 4th frequency；
Wherein described 3rd percentage is more than the 4th percentage, the described first, third and fourth frequency
Rate increases successively.
10. the regulation side of the pulse-width signal frequency of uninterrupted power source according to claim 9
Method, it is characterised in that in the step 2) in provide the 4th frequency pulse-width signal it
Perform following steps successively afterwards：
Measure the load capacity of the load and the temperature of the power model；And
Step 6), when the load capacity is less than the 5th percentage of rated weight capacity, and the power mould
When the temperature of block is less than predetermined temperature value, there is provided the pulse-width signal of the 4th frequency；Work as institute
Load capacity is stated not less than the 5th percentage of rated weight capacity and less than the 6th percentage of rated weight capacity
Than, and the temperature of the power model is when being less than predetermined temperature value, there is provided the pulsewidth of the 3rd frequency is adjusted
Signal processed；Or when the load capacity is not less than the 6th percentage and/or the power mould of rated weight capacity
When the temperature of block is not less than predetermined temperature value, there is provided the pulse-width signal of first frequency；Wherein institute
The 5th percentage is stated more than the 4th percentage and less than the 3rd percentage, the 6th percentage
Than more than the 3rd percentage.
The regulation side of the pulse-width signal frequency of 11. uninterrupted power sources according to claim 9
Method, it is characterised in that in the step 2) in provide the 3rd frequency pulse-width signal it
Perform following steps successively afterwards：
Measure the load capacity of the load and the temperature of the power model；And
Step 7), when the load capacity is less than the 4th percentage of rated weight capacity, and the power mould
When the temperature of block is less than predetermined temperature value, there is provided the pulse-width signal of the 4th frequency；Work as institute
Load capacity is stated not less than the 4th percentage of rated weight capacity and less than the 6th percentage of rated weight capacity
Than, and the temperature of the power model is when being less than predetermined temperature value, there is provided the pulsewidth of the 3rd frequency is adjusted
Signal processed；Or when the load capacity is not less than the 6th percentage and/or the power mould of rated weight capacity
When the temperature of block is not less than predetermined temperature value, there is provided the pulse-width signal of first frequency；Wherein institute
The 5th percentage is stated more than the 4th percentage and less than the 3rd percentage, the 6th percentage
Than more than the 3rd percentage.
The regulation side of the pulse-width signal frequency of 12. uninterrupted power sources according to claim 2
Method, it is characterised in that
In the step 1) before, there is provided the pulse-width signal of first frequency；
In the step 2) in, when the load capacity is less than always in the given time rated weight capacity
The 4th percentage, and the temperature of the power model within the scheduled time always less than predetermined
During temperature value, there is provided the pulse-width signal of the 4th frequency；When the load capacity in the given time
Straight satisfaction is not less than the 4th percentage of rated weight capacity and less than the 3rd percentage of rated weight capacity,
And the temperature of the power model within the scheduled time always be less than predetermined temperature value when, there is provided
The pulse-width signal of the 3rd frequency；
Wherein described 3rd percentage is more than the 4th percentage, the described first, third and fourth frequency
Rate increases successively.
A kind of adjusting means of the pulse-width signal frequency of 13. uninterrupted power sources, the uninterrupted electricity
Source includes power model and load, it is characterised in that the adjusting means includes：
Load measuring device, for measuring the load capacity of the load；And
Control device, for providing the frequency corresponding with the interval at the load capacity place for measuring
Pulse-width signal.
The regulation of the pulse-width signal frequency of 14. uninterrupted power sources according to claim 13
Device, it is characterised in that also including temperature measuring equipment, for measuring the temperature of the power model,
The control device is used for the interval that load capacity is located for providing and measuring and the power model
The pulse-width signal of the corresponding frequency of interval that is located of temperature.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111023507A (en) * | 2019-12-23 | 2020-04-17 | 漳州科华技术有限责任公司 | Air conditioner control method, air conditioner control device and air conditioner |
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