CN106973449A - Poewr control method, device and semiconductor microwave firing equipment - Google Patents
Poewr control method, device and semiconductor microwave firing equipment Download PDFInfo
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- CN106973449A CN106973449A CN201710192065.4A CN201710192065A CN106973449A CN 106973449 A CN106973449 A CN 106973449A CN 201710192065 A CN201710192065 A CN 201710192065A CN 106973449 A CN106973449 A CN 106973449A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/66—Circuits
- H05B6/68—Circuits for monitoring or control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Control Of High-Frequency Heating Circuits (AREA)
Abstract
The invention provides a kind of Poewr control method, device and semiconductor microwave firing equipment, wherein, Poewr control method includes：When semiconductor microwave firing equipment receives enabling signal, control the microwave source of semiconductor microwave firing equipment less than the input power of input power threshold value to start；When detecting the power output of microwave source without departing from rated output power, according to the difference between the power output and rated output power detected, the control parameter to power output carries out automatic adjusument, the power output of microwave source is reached rated output power.Pass through technical scheme, it is ensured that semiconductor microwave firing equipment is during startup, without departing from rated power, improve security and semiconductor microwave firing equipment service life.
Description
Technical field
The present invention relates to microwave technical field, in particular to a kind of Poewr control method, a kind of output control device
With a kind of semiconductor microwave firing equipment.
Background technology
With the development of science and technology, microwave heating equipment is spread in the life of user, the magnetic control of micro-wave oven in correlation technique
Pipe converts electrical energy into microwave energy, when magnetron launches microwave with 2450MHz frequency, is placed in the water of microwave oven intracavitary
Molecule carries out oscillatory operation with each second of the change frequency of 24.5 hundred million times, and the core parts for producing electromagnetic field of high frequency are magnetrons,
Food molecule shakes in high frequency magnetic field, is collided with each other between molecule, rub generation heat energy, so that heat foods.
In the prior art, upon actuation, according to power output set in advance, microwave source is directly exported microwave heating equipment
Required power, still, during practical operation, it may appear that real output is excessive to exceed rated power, damages
The problem of system.
Therefore, how to ensure that semiconductor microwave firing equipment power is steadily output into technical problem urgently to be resolved hurrily.
The content of the invention
The present invention is based at least one above-mentioned technical problem, it is proposed that a kind of new power control scheme, device and
Semiconductor microwave firing equipment, control semiconductor microwave firing equipment microwave source is opened with the input power less than input power threshold value
Dynamic, the difference between detection power output and rated power is adaptively adjusted according to the value to the control parameter of power output
Section, makes the power output of microwave source reach rated output power, thus it is guaranteed that mistake of the semiconductor microwave firing equipment in startup
Cheng Zhong, without departing from rated power, improves security and semiconductor microwave firing equipment service life.
In view of this, the present invention proposes a kind of Poewr control method, including：Received in semiconductor microwave firing equipment
During enabling signal, control the microwave source of semiconductor microwave firing equipment less than the input power of input power threshold value to start；
Detect microwave source power output without departing from rated output power when, according to the power output and rated output power detected it
Between difference, automatic adjusument is carried out to the control parameter of power output, the power output of microwave source is reached rated output work(
Rate.
In the technical scheme, semiconductor microwave firing equipment is being opened with the energetic start up less than input power threshold value
Difference after dynamic in real time between detection current power and rated power, the control of power output is adjusted according to the size adaptation of difference
Parameter processed, until power output reaches rated output power, on the one hand ensure that the steady output of energy, on the other hand extends
Use the life-span of the semiconductor microwave firing equipment of this Poewr control method.
Wherein, microwave frequency is between 300MHz-300GHz, and semiconductor microwave firing equipment is with 2.4GHz-2.5GHz
Frequency, make rubs mutually between medium molecule, cause medium temperature to raise, make dielectric material it is internal, it is outside almost simultaneously plus
Heat heating, forms body heat source state, substantially reduces heat conduction time, it is ensured that homogeneous heating is consistent inside and outside medium.
Wherein, microwave source includes signal source module and power amplifier module, and signal source module is preferably derived digital signal,
Power amplifier module is preferably variable gain amplifier, and being programmed by the multiplication factor to variable gain amplifier can be real
Now to the regulation of the power output of derived digital signal.
In the above-mentioned technical solutions, it is preferable that controlling the microwave source of semiconductor microwave firing equipment with less than input work
Before the input power of rate threshold value starts, in addition to：According to the standby temperature of semiconductor microwave firing equipment, semiconductor microactuator is determined
The gain of the power amplifier of Wave heating equipment；According to gain and the rated output power of semiconductor microwave firing equipment, really
Determine input power threshold value.
In the technical scheme, before microwave source starts, according to the real time temperature of semiconductor microwave firing equipment, power is determined
The gain of amplifier, according to gain and rated output power, draws input power threshold value, and this programme is drawn pair according to actual conditions
Threshold value is answered, accuracy is substantially increased.
Wherein,
Especially, the power amplifier in microwave source, its temperature can be raised slowly, on the premise of equal-wattage is exported,
The rise of the gain with temperature of power amplifier can be reduced slowly, therefore, when exporting same rated power, be increased under normal temperature condition
It is beneficial big, so the input power required for power amplifier is smaller, and under the high temperature conditions, it is defeated required for power amplifier
Entering power can be larger, it would therefore be desirable to according to the real time temperature of semiconductor microwave firing equipment, determine corresponding input work
Rate, so just can guarantee that power output not over threshold value.
In the above-mentioned technical solutions, it is preferable that according to the difference between the power output and rated output power detected,
Control parameter progress automatic adjusument to power output is specifically included：According to gain and the first simulation input work(of microwave source
Rate, draws the first pre-output power；The difference of the first pre-output power and rated output power is calculated, if difference is zero, with
First simulation input energetic start up microwave source；If difference is more than zero, at least one is increased on the first simulation input power level
Individual default changing value generates the second simulation input power, until the second simulation input power corresponding second pre-output power is
Less than the maximum of rated output power, with the second simulation input energetic start up microwave source.
In the technical scheme, the first pre-output work(is determined according to the first simulation input power of gain and microwave source
Rate, calculates the difference of the first simulation output power and rated output power, during equal to zero, with the first simulation output energetic start up,
When difference is more than zero, increases at least one default changing value and generate second simulation input power, until corresponding second default defeated
It is the maximum less than rated power to go out power, with the second simulation input energetic start up microwave source, both ensure that security, equipment
Also required power can be reached.
Wherein, the first simulation input power can be the fixed value defaulted in inside controller, can also lead in database
Cross lookup to obtain, be stored with database individually or comprehensive according to information such as period, weather, the seasons for opening microwave source
Analyze the optimal first simulation input power provided.
In the above-mentioned technical solutions, it is preferable that also include：If the power output for detecting microwave source exceeds specified output work
Rate, then determine target input power according to rated output power and gain, and microwave source is started with target input power.
In the technical scheme, when detection microwave source power output exceeds rated output power, according to present case gain
Input power is determined with rated output power, and microwave source is started with the input power, as long as higher than rated output power, will
Again a value and startup in the range of rated output power is drawn, danger will not be produced because of beyond rated output power
Danger, does not result in the damage to equipment yet.
In the above-mentioned technical solutions, it is preferable that control parameter includes：The input power and/or power amplifier of microwave source
Gain, wherein carrying out automatic adjusument to the control parameter of power output includes：The input power of microwave source is adjusted, to adjust
The power output of microwave source；Or the gain of regulation power amplifier, to adjust the power output of microwave source；Or regulation microwave source
The gain of input power and power amplifier, to adjust the power output of microwave source.
In the technical scheme, by adjusting the input power of microwave source and/or adjusting the gain of power amplifier, reach
The control parameter of power output carries out the effect of automatic adjusument, the power output of microwave source is reached rated output power, intelligence
It can regulate and control, improve convenience.
According to another aspect of the present invention, it is also proposed that a kind of output control device, including：Control unit, for half
When conductor microwave heating equipment receives enabling signal, the microwave source of semiconductor microwave firing equipment is controlled with less than input power
The input power of threshold value starts；Adjustment unit, during for the power output in detection microwave source without departing from rated output power, root
According to the difference between the power output and rated output power detected, the control parameter to power output is adaptively adjusted
Section, makes the power output of microwave source reach rated output power.
In the technical scheme, semiconductor microwave firing equipment is being opened with the energetic start up less than input power threshold value
Difference after dynamic in real time between detection current power and rated power, the control of power output is adjusted according to the size adaptation of difference
Parameter processed, until power output reaches rated output power, on the one hand ensure that the steady output of energy, on the other hand extends
Use the life-span of the semiconductor microwave firing equipment of this Poewr control method.
Wherein, the frequency of microwave is between 300MHz-300GHz, and semiconductor microwave firing equipment is with 2.4GHz-
2.5GHz frequency, makes rubs mutually between the molecule of medium, causes medium temperature to raise, and makes dielectric material internal, outside several
Heat temperature raising, forms body heat source state, substantially reduces heat conduction time, it is ensured that homogeneous heating one inside and outside medium simultaneously
Cause.
Wherein, microwave source includes signal source module and power amplifier module, and signal source module is preferably derived digital signal,
Power amplifier module is preferably variable gain amplifier, and being programmed by the multiplication factor to variable gain amplifier can be real
Now to the regulation of the power output of derived digital signal.
In the above-mentioned technical solutions, it is preferable that also include：Gain determination unit, in control semiconductor microactuator Wave heating
The microwave source of equipment less than the input power of input power threshold value with before starting, according to the standby of semiconductor microwave firing equipment
Temperature, determines the gain of the power amplifier of semiconductor microwave firing equipment；Threshold value determination unit is inputted, for true according to gain
Gain and the Safety output power of semiconductor microwave firing equipment that order member is determined, determine input power threshold value.
In the technical scheme, before microwave source starts, according to the real time temperature of semiconductor microwave firing equipment, power is determined
The gain of amplifier, according to gain and rated output power, draws input power threshold value, and this programme is drawn pair according to actual conditions
Threshold value is answered, accuracy is substantially increased.
Wherein,
Especially, the power amplifier in microwave source, its temperature can be raised slowly, on the premise of equal-wattage is exported,
The rise of the gain with temperature of power amplifier can be reduced slowly, therefore, when exporting same rated power, be increased under normal temperature condition
It is beneficial big, so the input power required for power amplifier is smaller, and under the high temperature conditions, it is defeated required for power amplifier
Entering power can be larger, it would therefore be desirable to according to the real time temperature of semiconductor microwave firing equipment, determine corresponding input work
Rate, so just can guarantee that power output not over threshold value.
In the above-mentioned technical solutions, it is preferable that control unit is specifically included：Analogue unit, for according to gain and micro-
First simulation input power of wave source, simulates the first pre-output power；Difference value determining unit, for determining the first pre-output work(
The difference of rate and rated output power, the first start unit is micro- with the first simulation input energetic start up for when difference is zero
Wave source；Second start unit, for when difference is more than zero, increasing at least one default change on simulation input power level
Value the second simulation input power of generation, until the corresponding second pre-output power of the second simulation input power is less than rated output
The maximum of power, with the second simulation input energetic start up microwave source.
In the technical scheme, the first pre-output work(is determined according to the first simulation input power of gain and microwave source
Rate, calculates the difference of the first simulation output power and rated output power, during equal to zero, with the first simulation output energetic start up,
When difference is more than zero, increases at least one default changing value and generate second simulation input power, until corresponding second default defeated
It is the maximum less than rated power to go out power, with the second simulation input energetic start up microwave source, both ensure that security, equipment
Also required power can be reached.
Wherein, the first simulation input power can be the fixed value defaulted in inside controller, can also lead in database
Cross lookup to obtain, be stored with database individually or comprehensive according to information such as period, weather, the seasons for opening microwave source
Analyze the optimal first simulation input power provided.
In the above-mentioned technical solutions, it is preferable that adjustment unit is additionally operable to：Detecting the power output overflow of microwave source
When determining power output, target input power is determined according to rated output power and gain, microwave source is started with target input power.
In the technical scheme, when detection microwave source power output exceeds rated output power, according to present case gain
Input power is determined with rated output power, and microwave source is started with the input power, as long as higher than rated output power, will
Again a value and startup in the range of rated output power is drawn, danger will not be produced because of beyond rated output power
Danger, does not result in the damage to equipment yet.
In the above-mentioned technical solutions, it is preferable that control parameter includes：The input power and/or power amplifier of microwave source
Gain, adjustment unit is additionally operable to：The input power of microwave source is adjusted, to adjust the power output of microwave source；Or regulation power
The gain of amplifier, to adjust the power output of microwave source；Or input power and the gain of power amplifier of regulation microwave source,
To adjust the power output of microwave source.
In the technical scheme, by adjusting the input power of microwave source and/or adjusting the gain of power amplifier, reach
The control parameter of power output carries out the effect of automatic adjusument, the power output of microwave source is reached rated output power, intelligence
It can regulate and control, improve convenience.
According to the third aspect of the invention we, it is proposed that a kind of semiconductor microwave firing equipment, including as described above any one of skill
The output control device of art scheme；Microwave source, is electrically connected with output control device, microwave source include series connection signal source module with
And power amplifier module；And heating chamber, the output end of microwave source is connected to, half proposed according to the third aspect of the invention we
Conductor microwave heating equipment has the beneficial benefit of the whole of above-mentioned output control device, will not be repeated here.
By above technical scheme, control semiconductor microwave firing equipment microwave source is with the input less than input power threshold value
Energetic start up, rated output power is reached by automatic adjusument, prevents that power output is more than rated output work(in practical operation
Rate, reduces the damage of equipment and eliminates potential safety hazard.
Brief description of the drawings
Fig. 1 shows the schematic flow diagram of the embodiment one of the Poewr control method according to the present invention；
Fig. 2 shows the schematic flow diagram of the embodiment two of the Poewr control method according to the present invention；
Fig. 3 shows the schematic block diagram of output control device according to an embodiment of the invention；
Fig. 4 shows the schematic flow diagram of the embodiment three of the Poewr control method according to the present invention；
Fig. 5 shows the schematic block diagram of semiconductor microwave firing equipment according to an embodiment of the invention；
Fig. 6 shows the structural representation of semiconductor microwave firing equipment according to an embodiment of the invention；
Fig. 7 shows the schematic flow diagram of the example IV of the Poewr control method according to the present invention.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Embodiment one：
Fig. 1 shows the schematic flow diagram of the embodiment one of the Poewr control method according to the present invention.
As shown in figure 1, Poewr control method according to an embodiment of the invention, including：Step 102, semiconductor microwave adds
When hot equipment receives enabling signal, the microwave source of semiconductor microwave firing equipment is controlled with the input less than input power threshold value
Energetic start up；Step 104, when detecting the power output of microwave source without departing from rated output power, according to the output detected
Difference between power and rated output power, the control parameter to power output carries out automatic adjusument, makes the defeated of microwave source
Go out power and reach rated output power.
In this embodiment, semiconductor microwave firing equipment is controlled with defeated less than input power threshold value by step 102
Enter energetic start up, it is ensured that will can there there is no real output by step 104 not over rated output power after startup
Reach that the equipment of rated power, by automatic adjusument, reaches rated power, both ensure that safety, can be finally reached again specified
Power output.
Wherein, the frequency of microwave is between 300MHz-300GHz, and semiconductor microwave firing equipment is with 2.4GHz-
2.5GHz frequency, makes rubs mutually between the molecule of medium, causes medium temperature to raise, and makes dielectric material internal, outside several
Heat temperature raising, forms body heat source state, substantially reduces heat conduction time, it is ensured that homogeneous heating one inside and outside medium simultaneously
Cause.
Wherein, microwave source includes signal source module and power amplifier module, and signal source module is preferably derived digital signal,
Power amplifier module is preferably variable gain amplifier, and being programmed by the multiplication factor to variable gain amplifier can be real
Now to the regulation of the power output of derived digital signal.
In the above embodiment, it is preferable that controlling the microwave source of semiconductor microwave firing equipment with less than input power
Before the input power of threshold value starts, in addition to：According to the standby temperature of semiconductor microwave firing equipment, semiconductor microwave is determined
The gain of the power amplifier of firing equipment；According to gain and the rated output power of semiconductor microwave firing equipment, it is determined that
Input power threshold value.
In this embodiment, before microwave source starts, according to the real time temperature of semiconductor microwave firing equipment, determine that power is put
The gain of big device, according to gain and rated output power, draws input power threshold value, this programme draws correspondence according to actual conditions
Threshold value, substantially increases accuracy.
Wherein,
Especially, the power amplifier in microwave source, its temperature can be raised slowly, on the premise of equal-wattage is exported,
The rise of the gain with temperature of power amplifier can be reduced slowly, therefore, when exporting same rated power, be increased under normal temperature condition
It is beneficial big, so the input power required for power amplifier is smaller, and under the high temperature conditions, it is defeated required for power amplifier
Entering power can be larger, it would therefore be desirable to according to the real time temperature of semiconductor microwave firing equipment, determine corresponding input work
Rate, so just can guarantee that power output not over threshold value.
Embodiment two：
Fig. 2 shows the schematic flow diagram of the embodiment two of the Poewr control method according to the present invention.
As shown in Fig. 2 Poewr control method according to an embodiment of the invention, according to the power output that detects and specified
Difference between power output, the control parameter progress automatic adjusument to power output is specifically included：Step 202, according to increasing
First simulation input power of benefit and microwave source, draws the first pre-output power；Step 204, the first pre-output power is calculated
With the difference of rated output power；Step 206, if difference is zero, with the first simulation input energetic start up microwave source；Step
208, if difference is more than zero, increase at least one default changing value on the first simulation input power level to generate the second mould
Intend input power, until the corresponding second pre-output power of the second simulation input power is the maximum less than rated output power
Value, with the second simulation input energetic start up microwave source.
In this embodiment, by step 202 according to gain and the first simulation input power, the first pre-output work(is drawn
Rate, obtains a value for being less than or equal to rated output power, prevents device damage, it is pre- defeated to compare first by step 204 first
Go out the difference of power and rated power, analysis produces next step action, draw to be started with present output power by step 206 and be somebody's turn to do
Equipment, by step 208 equipment by automatic adjusument, is less than the maximum of rated output power, with the simulation input
Energetic start up microwave source, it is ensured that the power output of equipment is optimal state.
Wherein, the first simulation input power can be the fixed value defaulted in inside controller, can also lead in database
Cross lookup to obtain, be stored with database individually or comprehensive according to information such as period, weather, the seasons for opening microwave source
Analyze the optimal first simulation input power provided.
In the above embodiment, it is preferable that also including：If the power output for detecting microwave source exceeds specified output work
Rate, then determine target input power according to rated output power and gain, and microwave source is started with target input power.
In this embodiment, when detection microwave source power output exceeds rated output power, according to present case gain and
Rated output power determines input power, and starts microwave source with the input power, as long as higher than rated output power, Jiu Huichong
A value and startup in the range of rated output power newly is drawn, danger will not be produced because of beyond rated output power,
The damage to equipment is not resulted in yet.
In the above embodiment, it is preferable that control parameter includes：The input power of microwave source and/or power amplifier
Gain, wherein the control parameter progress automatic adjusument to power output includes：The input power of microwave source is adjusted, it is micro- to adjust
The power output of wave source；Or the gain of regulation power amplifier, to adjust the power output of microwave source；Or regulation microwave source is defeated
Enter the gain of power and power amplifier, to adjust the power output of microwave source.
In this embodiment, by adjusting the input power of microwave source and/or adjusting the gain of power amplifier, reach defeated
The control parameter for going out power carries out the effect of automatic adjusument, the power output of microwave source is reached rated output power, intelligence
Regulation and control, improve convenience.
Fig. 3 shows the schematic block diagram of output control device according to an embodiment of the invention.
As shown in figure 3, output control device 300 according to an embodiment of the invention, including：Control unit 302, for
When semiconductor microwave firing equipment receives enabling signal, the microwave source of semiconductor microwave firing equipment is controlled with less than input work
The input power of rate threshold value starts；Adjustment unit 304, for the power output in detection microwave source without departing from rated output power
When, according to the difference between the power output and rated output power detected, the control parameter progress to power output is adaptive
It should adjust, the power output of microwave source is reached rated output power.
In this embodiment, semiconductor microwave firing equipment is with the energetic start up less than input power threshold value, and detection is current
Difference between power and rated power, the control parameter of automatic adjusument power output is until reaching rated output power, both
The steady output of energy is ensure that, the life-span of semiconductor microwave firing equipment is also extended.
Wherein, the frequency of microwave is between 300MHz-300GHz, and semiconductor microwave firing equipment is with 2.4GHz-
2.5GHz frequency, makes rubs mutually between the molecule of medium, causes medium temperature to raise, and makes dielectric material internal, outside several
Heat temperature raising, forms body heat source state, substantially reduces heat conduction time, it is ensured that homogeneous heating one inside and outside medium simultaneously
Cause.
Wherein, microwave source includes signal source module and power amplifier module, and signal source module is preferably derived digital signal,
Power amplifier module is preferably variable gain amplifier, and being programmed by the multiplication factor to variable gain amplifier can be real
Now to the regulation of the power output of derived digital signal.
In the above embodiment, it is preferable that also including：Gain determination unit 306, in control semiconductor microactuator Wave heating
The microwave source of equipment less than the input power of input power threshold value with before starting, according to the standby of semiconductor microwave firing equipment
Temperature, determines the gain of the power amplifier of semiconductor microwave firing equipment；Threshold value determination unit 308 is inputted, for according to increasing
Gain and the Safety output power of semiconductor microwave firing equipment that beneficial determining unit is determined, determine input power threshold value.
In this embodiment, before microwave source starts, according to the real time temperature of semiconductor microwave firing equipment, determine that power is put
The gain of big device, according to gain and rated output power, draws defeated people's power threshold, this programme draws correspondence according to actual conditions
Threshold value, substantially increases accuracy.
Wherein,
Especially, the power amplifier in microwave source, its temperature can be raised slowly, on the premise of equal-wattage is exported,
The rise of the gain with temperature of power amplifier can be reduced slowly, therefore, when exporting same rated power, be increased under normal temperature condition
It is beneficial big, so the input power required for power amplifier is smaller, and under the high temperature conditions, it is defeated required for power amplifier
Entering power can be larger, it would therefore be desirable to according to the real time temperature of semiconductor microwave firing equipment, determine corresponding input work
Rate, so just can guarantee that power output not over threshold value.
In the above embodiment, it is preferable that control unit 303 is specifically included：Analogue unit 3022, for according to gain with
And the first simulation input power of microwave source, simulate the first pre-output power；Difference value determining unit 3024, for determining first
The difference of pre-output power and rated output power, the first start unit 3026 is defeated with the first simulation for when difference is zero
Enter energetic start up microwave source；Second start unit 3028, for when difference is more than zero, increasing on simulation input power level
At least one default changing value generates the second simulation input power, until the corresponding second pre-output work(of the second simulation input power
Rate is the maximum less than rated output power, with the second simulation input energetic start up microwave source.
In this embodiment, the first pre-output power is determined according to the first simulation input power of gain and microwave source,
The difference of the first simulation output power and rated output power is calculated, during equal to zero, with the first simulation output energetic start up, difference
During more than zero, increase at least one default changing value and generate the second simulation input power, until the corresponding second default output work
Rate is the maximum less than rated power, with the second simulation input energetic start up microwave source, both ensure that security, equipment also can
Reach required power.
Wherein, the first simulation input power can be the fixed value defaulted in inside controller, can also lead in database
Cross lookup to obtain, be stored with database individually or comprehensive according to information such as period, weather, the seasons for opening microwave source
Analyze the optimal first simulation input power provided.
In the above embodiment, it is preferable that adjustment unit 304 is additionally operable to：Exceed in the power output for detecting microwave source
During rated output power, target input power is determined according to rated output power and gain, microwave is started with target input power
Source.
In this embodiment, when detection microwave source power output exceeds rated output power, according to present case gain and
Rated output power determines input power, and starts microwave source with the input power, as long as higher than rated output power, Jiu Huichong
A value and startup in the range of rated output power newly is drawn, danger will not be produced because of beyond rated output power,
The damage to equipment is not resulted in yet.
In the above embodiment, it is preferable that control parameter includes：The input power of microwave source and/or power amplifier
Gain, adjustment unit 304 is additionally operable to：The input power of microwave source is adjusted, to adjust the power output of microwave source；Or regulation power
The gain of amplifier, to adjust the power output of microwave source；Or input power and the gain of power amplifier of regulation microwave source,
To adjust the power output of microwave source.
In this embodiment, by adjusting the input power of microwave source and/or adjusting the gain of power amplifier, reach defeated
The control parameter for going out power carries out the effect of automatic adjusument, the power output of microwave source is reached rated output power, intelligence
Regulation and control, improve convenience.
Embodiment three：
Fig. 4 shows the schematic flow diagram of the embodiment three of the Poewr control method according to the present invention.
As shown in figure 4, Poewr control method according to an embodiment of the invention, including：Step 402, according to standby temperature,
Determine the gain of power amplifier；Step 404, according to gain and the power of volume, input power threshold value is determined；Step 406, microwave
Source is with less than the startup of the input power of input power threshold value；Step 408, judge the power output of microwave source whether beyond specified defeated
Go out power；If so, then performing step 410, target input power is determined according to rated input power and gain, inputted with the target
Energetic start up microwave source；If otherwise performing step 412, according to gain and microwave source the first simulation input power, show that first is pre-
Power output；Step 414, judge whether the first pre-output power and rated output power difference are zero；If so, then performing step
416, with the first simulation input energetic start up microwave source；If it is not, then perform 418, increase at least one default changing value generation the
Two simulation input power, until the second power output of correspondence is less than rated output power maximum, with the second simulation input work(
Rate starts microwave source.
Specifically, before semiconductor microwave firing equipment is started, according to the standby temperature of semiconductor microwave firing equipment, really
The gain of the power amplifier of semiconductor microwave firing equipment is determined, because the rise of the gain with temperature of power amplifier can slowly
Reduction, so needing to draw correspondence yield value according to actual temperature, according to standby temperature correspondence gain and rated power, draws
The threshold value of input power, when semiconductor microwave firing equipment receives enabling signal, semiconductor microwave firing equipment it is micro-
Wave source less than the input power of input power threshold value to start, during heating, and detection microwave source power output is in real time
It is no to exceed rated output power, when more than rated output power, according to rated output power and the corresponding gain of Current Temperatures
Target input power is determined, microwave source is started with the target input power, if being not above rated output power, according to current
Temperature correspondence gain and the first simulation input power of microwave source, draw the first pre-output power, calculate the first default output work
The difference of rate and rated output power, if difference is zero, with the first simulation input energetic start up microwave source, if difference is big
In zero, then increase at least one default changing value on the first simulation input power level to generate the second simulation input power,
Until the corresponding second simulation output power of the second simulation input power is the maximum less than rated output power, with the second mould
Intend input power and start microwave source.
Fig. 5 shows the schematic block diagram of semiconductor microwave firing equipment according to an embodiment of the invention.
As shown in figure 5, semiconductor microwave firing equipment 500 according to an embodiment of the invention, including：Detection module 502,
For detecting Current Temperatures and power output etc.；Adjustment module 504, the information provided according to detection module adjusts input power,
Semiconductor microwave firing equipment is set to reach rated output power；Microwave source 506, can send microwave；Signal source 5062, is microwave
The generating unit of signal, microwave is produced by it；Power amplifier 5064, for the amplification of input power, at different temperatures
Multiplication factor has difference；Heating chamber 508, the article to be heated for holding；Control centre 510, it is whole for coordinating control
The operation of semiconductor microwave firing equipment.
Specifically, detection module 502 detects the standby temperature of microwave heating equipment first, determines that semiconductor microactuator Wave heating is set
The gain of standby power amplifier 5064, according to the gain drawn and the rated output power of semiconductor microwave firing equipment, it is determined that
Input power threshold value, then microwave source 506 less than the input power of input power threshold value to start, during heating, when
When detection module 502 detects power output more than rated power, control centre 510 controls to adjust module 504 according to specified defeated
Go out power and the corresponding gain-adjusted target input power of Current Temperatures, microwave source is started with the target input power, works as detection
When module 502 detects power output and is also not reaching to rated power, control centre 510 controls to adjust module 504 according to current
First simulation input power of temperature correspondence gain-adjusted microwave source, draws the first pre-output power, the detection of detection module 502 the
The difference of one default power output and rated output power, if it is zero to detect difference, control centre 510 control the equipment with
First simulation input energetic start up microwave source 506, if detecting difference more than zero, adjustment module 504 is in the first simulation input
Increase at least one default changing value on power level to generate the second simulation input power, until the second simulation input power pair
The the second simulation output power answered is the maximum less than rated output power, and control centre 510 controls the equipment with the second mould
Intend input power and start microwave source 506.
Fig. 6 shows the structural representation of semiconductor microwave firing equipment according to an embodiment of the invention；
As shown in fig. 6, the structure of semiconductor microwave firing equipment according to an embodiment of the invention, including：Microwave source
602, be connected with power control center 606 (i.e. output control device), microwave source 602 include series connection signal source module 6022 with
And power amplifier module 6024；And heating chamber 604, it is connected to the output end of microwave source 602.
When semiconductor microwave firing equipment receives enabled instruction, the control signal source module 6022 of power control center 606 is sent out
Go out microwave signal, and control power amplifier module 6024 that input power is amplified into suitable power output, certainly, in control
The heart 606 also can control the input power or the input power and power of control signal source module 6022 simultaneously of signal source module 6022
The gain of amplifier module 6024, is worked with suitable power output, so that food molecule is in the high frequency magnetic field of heating chamber 604
Shake, collided with each other between molecule, rub generation heat energy, so as to cook the food of delicious food.
Example IV：
Fig. 7 shows the schematic flow diagram of the example IV of the Poewr control method according to the present invention.
As shown in fig. 7, according to the embodiment of the Poewr control method of the present invention, including：Step 702, according to gain and volume
Determine power output and determine input power threshold value；Step 704, with less than the input power of input power threshold value unlatching semiconductor microwave
Firing equipment；Step 706, according to gain and the first simulation output power, the first pre-output power is drawn, when the first pre-output work(
Rate and rated output power difference are zero, with the first simulation input energetic start up；Step 708, if difference is more than zero, increase is at least
One default changing value generates the second simulation input power, until power output is the maximum less than rated output power, with
Second simulation input energetic start up.
Specifically, semiconductor microwave firing equipment is according to current gain and rated output power determination power output threshold value,
Determine the scope of a safety, protect the normal operation of positive semiconductor microwave firing equipment, semiconductor microwave firing equipment with less than
The input power of input power threshold value starts, and according to current gain and the first simulation input power, draws the first pre-output power,
When the value and rated output power difference are zero, then with the first simulation input energetic start up, when difference is more than zero, increase changing value
The second simulation input power is generated, until power output is the maximum less than rated output power, with the second simulation input work(
Rate starts, and both ensure that the security of operation, intended power output can be reached again.
Technical scheme is described in detail above in association with accompanying drawing, it is contemplated that semiconductor microactuator wave device in correlation technique
Start power required for directly exporting, frequently can lead to actual power more than rated power.Therefore, the present invention proposes a kind of new
Power control scheme, first with less than the input power of input power threshold value start, microwave is then made by automatic adjusument
Source power output reaches rated output power, so that semiconductor microwave firing equipment is ensure that during startup, Bu Huichao
Go out rated power, improve security and semiconductor microwave firing equipment service life, improve Consumer's Experience.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (11)
1. a kind of Poewr control method, for semiconductor microwave firing equipment, it is characterised in that including：
When semiconductor microwave firing equipment receives enabling signal, control the microwave source of the semiconductor microwave firing equipment with
Input power less than input power threshold value starts；
When detecting the power output of the microwave source without departing from rated output power, according to the power output detected and
Difference between the rated output power, the control parameter to the power output carries out automatic adjusument, makes the microwave
The power output in source reaches the rated output power.
2. Poewr control method according to claim 1, it is characterised in that in the control semiconductor microactuator Wave heating
The microwave source of equipment with less than the input power of input power threshold value start before, in addition to：
According to the standby temperature of the semiconductor microwave firing equipment, the power amplification of the semiconductor microwave firing equipment is determined
The gain of device；
According to the gain and the rated output power of the semiconductor microwave firing equipment, the input power threshold is determined
Value.
3. Poewr control method according to claim 2, it is characterised in that the power output that the basis is detected
Difference between rated output power, the control parameter progress automatic adjusument to the power output is specifically included：
According to the gain and the first simulation input power of the microwave source, the first pre-output power is drawn；
The difference of the first pre-output power and the rated output power is calculated,
If the difference is zero, with microwave source described in the first simulation input energetic start up；
If the difference is more than zero, increase at least one default changing value next life on the first simulation input power level
Into the second simulation input power, until the corresponding second pre-output power of the second simulation input power is specified less than described
The maximum of power output, with microwave source described in the second simulation input energetic start up.
4. the Poewr control method according to Claims 2 or 3, it is characterised in that also include：
If the power output for detecting the microwave source exceeds the rated output power, according to the rated output power and
The gain determines target input power, and the microwave source is started with the target input power.
5. the Poewr control method according to Claims 2 or 3, it is characterised in that the control parameter includes：The microwave
The gain of the input power in source and/or the power amplifier, wherein the control parameter to the power output is carried out adaptively
Regulation includes：
The input power of the microwave source is adjusted, to adjust the power output of the microwave source；Or
The gain of the power amplifier is adjusted, to adjust the power output of the microwave source；Or
The input power of the microwave source and the gain of the power amplifier are adjusted, to adjust the output of the microwave source
Power.
6. a kind of output control device, for semiconductor microwave firing equipment, it is characterised in that including：
Control unit, for when semiconductor microwave firing equipment receives enabling signal, controlling the semiconductor microactuator Wave heating
The microwave source of equipment is with less than the startup of the input power of input power threshold value；
Adjustment unit, for when detecting the power output of the microwave source without departing from rated output power, according to what is detected
Difference between the power output and the rated output power, the control parameter to the power output is adaptively adjusted
Section, makes the power output of the microwave source reach the rated output power.
7. output control device according to claim 6, it is characterised in that also include：
Gain determination unit, for the microwave source in the control semiconductor microwave firing equipment with less than input power threshold
Before the input power of value starts, according to the standby temperature of the semiconductor microwave firing equipment, the semiconductor microwave is determined
The gain of the power amplifier of firing equipment；
Threshold value determination unit is inputted, for the gain determined according to the gain determination unit and the semiconductor microwave
The Safety output power of firing equipment, determines the input power threshold value.
8. output control device according to claim 7, it is characterised in that described control unit is specifically included：
Analogue unit, for the first simulation input power according to the gain and the microwave source, simulates first pre- defeated
Go out power；
Difference value determining unit, the difference for determining the first pre-output power and the rated output power,
First start unit, for when the difference is zero, with microwave source described in the first simulation input energetic start up；
Second start unit, for when the difference is more than zero, at least one to be increased on the simulation input power level
Default changing value generates the second simulation input power, until the corresponding second pre-output power of the second simulation input power is
Less than the maximum of the rated output power, with microwave source described in the second simulation input energetic start up.
9. the output control device according to claim 7 or 8, it is characterised in that the adjustment unit is additionally operable to：
When the power output for detecting the microwave source exceeds the rated output power, according to the rated output power and
The gain determines target input power, and the microwave source is started with the target input power.
10. the output control device according to claim 7 or 8, it is characterised in that the control parameter includes：It is described micro-
The gain of the input power of wave source and/or the power amplifier,
The adjustment unit is additionally operable to：
The input power of the microwave source is adjusted, to adjust the power output of the microwave source；Or
The gain of the power amplifier is adjusted, to adjust the power output of the microwave source；Or
The input power of the microwave source and the gain of the power amplifier are adjusted, to adjust the output of the microwave source
Power.
11. a kind of semiconductor microwave firing equipment, it is characterised in that including：Power any one of claim 6 to 10
Control device；Microwave source, is electrically connected with the output control device, and the microwave source includes the signal source module and work(of series connection
Rate amplifier module；And heating chamber, it is connected to the output end of the microwave source.
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| CN201710192065.4A CN106973449B (en) | 2017-03-28 | 2017-03-28 | Power control method and device and semiconductor microwave heating equipment |
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| CN201710192065.4A CN106973449B (en) | 2017-03-28 | 2017-03-28 | Power control method and device and semiconductor microwave heating equipment |
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| CN106973449B (en) | 2020-07-24 |
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