CN107272770B - It is uniformly distributed the temperature control system power regulating method and device of turn-on time - Google Patents
It is uniformly distributed the temperature control system power regulating method and device of turn-on time Download PDFInfo
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- CN107272770B CN107272770B CN201710672084.7A CN201710672084A CN107272770B CN 107272770 B CN107272770 B CN 107272770B CN 201710672084 A CN201710672084 A CN 201710672084A CN 107272770 B CN107272770 B CN 107272770B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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Abstract
The present invention provides a kind of stress for reducing controlled element and the temperature control system power regulating method for being uniformly distributed turn-on time and device that increase controlled element service life, is related to a kind of heating adjusting method.The step of method includes: for according to minimum control period t with controlling cycle T, determining the number N in minimum control period；The minimum control period is turn-on cycle or the shutdown period that temperature control system concentrates heating；The step of real-time detection external temperature signal；The step of detecting signal and required temperature according to the external temperature of real-time detection, determine the quantity of turn-on cycle；The step of controlling the position in cycle T, the turn-on cycle is evenly distributed in control cycle T quantity and corresponding number turn-on cycle for storing various turn-on cycles；According to the quantity of determining turn-on cycle, position of the respective numbers turn-on cycle of storage in control cycle T is obtained, according to the position of acquisition, in corresponding minimum the step of controlling period t internal trigger thyristor.
Description
Technical field
The present invention relates to a kind of heating adjusting method, in particular to a kind of temperature control system power for being uniformly distributed turn-on time
Adjusting method.
Background technique
The control mode of temperature control system is mostly used using temperature detection signal as feedback signal, when controlling some in the period
Between section concentrate heating or concentrate and stop to guaranteeing temperature accuracy.Make to control controlled element (heating tube) in the period under this mode to exist
Open, stop between produce biggish temperature difference, the controlled element of temperature official post produces biggish stress, therefore substantially reduces institute
Control the service life of element.
Summary of the invention
In view of the above deficiencies, the present invention provides the stress and the controlled element service life of increase of a kind of controlled element of reduction
It is uniformly distributed the temperature control system power regulating method and device of turn-on time.
The temperature control system power regulating method for being uniformly distributed turn-on time of the invention, which comprises
The step of determining minimum control number of cycles, for determining minimum according to minimum control period t and control cycle T
Control the number N in period；
T=Nt；The minimum control period is turn-on cycle or the shutdown period that temperature control system concentrates heating；
Temperature detection step, real-time detection external temperature signal；
Conducting array determines step, detects signal and required temperature according to the external temperature of real-time detection, determination is led
The quantity in logical period；
Data storing steps, the quantity and corresponding number turn-on cycle for storing various turn-on cycles are in control cycle T
Interior position, the turn-on cycle are evenly distributed in control cycle T；
Rate-determining steps obtain the respective numbers turn-on cycle of storage in control week according to the quantity of determining turn-on cycle
Position in phase T, according to the position of acquisition, in corresponding minimum control period t internal trigger thyristor.
Preferably, in the data storing steps, the turn-on cycle, which is evenly distributed in control cycle T, includes:
When the quantity of turn-on cycle is 1, it is turn-on cycle that first minimum control period N1, which is arranged,；
When the quantity of turn-on cycle is 2, it is turn-on cycle that minimum control period N1, which is arranged, while first and the is arranged
Minimum control period N2 among N number of minimum control period is turn-on cycle；
When the quantity of turn-on cycle is 3, it is turn-on cycle that minimum control period N1 and minimum control period N2, which is arranged, together
When the minimum control period N1 of setting and minimum control period N2 among minimum control period N3 be turn-on cycle；
When the quantity of turn-on cycle is 4, minimum control period N1, minimum control period N2 and minimum control period are set
N3 is turn-on cycle, while minimum control period N2 is arranged and the minimum control period N4 among the n-th minimum control period is
Turn-on cycle；
With the increase of the turn-on cycle number of needs, according to sequence of the turn-on cycle in control cycle T, from front to back according to
The secondary minimum control period by among two adjacent turn-on cycles is set as turn-on cycle, until the quantity of turn-on cycle is N.
Preferably, the rate-determining steps, for obtaining the phase of storage when the quantity for determining turn-on cycle changes
Position of the quantity turn-on cycle in control cycle T is answered, and obtains in current control period T remaining time and corresponds to turn-on cycle
Position, according to the position of acquisition, in corresponding minimum control period t internal trigger thyristor.
Preferably, the range of the trigger angle α of the thyristor is 0 ° -45 °, when network voltage increases, increases touching
Angle [alpha] is sent out, the reduction of its heating element end voltage is made, guarantees that end voltage is no more than its rated range.
Above-mentioned technical characteristic may be combined in various suitable ways or be substituted by equivalent technical characteristic, as long as can reach
To the purpose of the present invention.
The beneficial effects of the present invention are the present invention heats temperature control system within the control period and stops uniform point
Cloth reduces due to concentrating heating, concentrating the temp-controled mode of stop mode to the stress of heating element, is able to extend heating
The service life of element.And rated value can be no more than by the end voltage of the control and regulation heating element to trigger angle α, protected
Demonstrate,prove the reliability of work.The selection of minimum control amount of cycles N can meet the precision of institute's controlling temperature.
Detailed description of the invention
Fig. 1 is the flow diagram of the method for embodiment 1 and implementation 2.
Fig. 2 is the location mode schematic diagram of turn-on cycle in embodiment 2.
Fig. 3 is control period and grid cycle waveform diagram.
Fig. 4 is turn-on cycle and shutdown periodic waveform schematic diagram.
Waveform when waveform diagram and trigger angle α when Fig. 5 is all turn-on cycle in the control period with trigger angle α change
Schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
Embodiment 1: as shown in Figure 1, being uniformly distributed the temperature control system power regulation of turn-on time described in present embodiment
Method, comprising:
Step 1: according to the minimum control period be 20ms and control cycle T is 2560ms, determines in minimum control period
Number 128；
The minimum control period of present embodiment is turn-on cycle or the shutdown period that temperature control system concentrates heating；
Controlled element to be opened in turn-on cycle, closes controlled element in the shutdown period, turn-on cycle number is up to 128,
Minimum 0, shutdown periodicity is up to 128, minimum 0.
Step 2: setting the position of the quantity and corresponding number turn-on cycle of various turn-on cycles in control cycle T, and
It stores, the turn-on cycle in the present embodiment is evenly distributed on the distribution mode in control cycle T are as follows:
When the quantity of turn-on cycle is 1, the 64th or 65 minimum control period is turn-on cycle, it may be assumed that the 1st and the
The minimum control period among 128 minimum control periods is turn-on cycle；
When the quantity of turn-on cycle is 2, the 42nd minimum control period and the 85th minimum control period are conducting week
Phase, it may be assumed that this 2 turn-on cycles were evenly distributed among the 1st and the 128th minimum control period；
When the quantity of turn-on cycle is 3, the 32nd, 64 and 96 minimum control period is turn-on cycle, it may be assumed that this 2 are led
The logical period was evenly distributed among the 1st and the 128th minimum control period；
By setting, and so on, it is set as turn-on cycle entirely until the 128th minimum control period；
Step 3: real-time detection external temperature signal detects signal and required according to the external temperature of real-time detection
Temperature determines the quantity of turn-on cycle；
In present embodiment, when external temperature is 100 DEG C, required temperature is 500 DEG C, and temperature deficiency needs to heat at this time,
128 cycle whole step heating are then opened first, and temperature rises, and when temperature reaches 500 DEG C of target value, stops heating, opens 0
Turn-on cycle, due to temperature inertness, temperature first can fall back to 500 DEG C more than 500 DEG C again, remember respectively during this gradient of temperature
Target value or so rising and falling time is recorded, and is calculated when target value is 500 DEG C according to the time pro rata of this heating and cooling
Turn-on cycle number, calculated result at this time are 15 turn-on cycles, i.e., can remain current in 15 turn-on cycles or so at this time
500 DEG C of temperature；
Step 4: according to the quantity of determining turn-on cycle, corresponding number conducting week is found in step 2 storage
Position of the phase in control cycle T, according to the position of acquisition, in corresponding minimum control period internal trigger thyristor.
In present embodiment, turn-on cycle be 15 when, corresponding period position be 8,16,24,32,40,48,56,
64,72,80,88,96,104,112,120；
Step 5: executing step 3, when the quantity of determining turn-on cycle changes, in the storage of step 2,
Position of the respective numbers turn-on cycle in control cycle T is found, and obtains corresponding conducting in current control period remaining time
The position in period, according to the position of acquisition, in corresponding minimum control period internal trigger thyristor.
Embodiment 2: as shown in Figure 1, being uniformly distributed the temperature control system power regulation of turn-on time described in present embodiment
Method, comprising:
Step 1: for being 20ms according to the minimum control period and control cycle T is 2560ms, the minimum control period is determined
Number 128；
The minimum control period of present embodiment is turn-on cycle or the shutdown period that temperature control system concentrates heating；
Controlled element to be opened in turn-on cycle, closes controlled element in the shutdown period, turn-on cycle number is up to 128,
Minimum 0, shutdown periodicity is up to 128, minimum 0.
Step 2: setting the position of the quantity and corresponding number turn-on cycle of various turn-on cycles in control cycle T, and
It stores, the turn-on cycle in the present embodiment is evenly distributed on the distribution mode in control cycle T are as follows:
As shown in Fig. 2, it is turn-on cycle that the 1st minimum control period, which is arranged, when the quantity of turn-on cycle is 1；
When the quantity of turn-on cycle is 2, it is turn-on cycle that most 1 and the 65th minimum control period, which is arranged,；
When the quantity of turn-on cycle is 3, it is turn-on cycle that the 1st, 33 and 65 minimum control period, which is arranged,；
When the quantity of turn-on cycle is 4, it is turn-on cycle that the 1st, 33,65 and 97 minimum control period, which is arranged,；
When the quantity of turn-on cycle is 5, it is turn-on cycle that the 1st, 17,33,65 and 97 minimum control period, which is arranged,；
When the quantity of turn-on cycle is 5, it is conducting week that the 1st, 17,33,49,65 and 97 minimum control period, which is arranged,
Phase；
With the increase of the turn-on cycle number of needs, according to sequence of the turn-on cycle in control cycle T, from front to back according to
The secondary minimum control period by among two adjacent turn-on cycles is set as turn-on cycle, until the quantity of turn-on cycle is
128。
Step 3: real-time detection external temperature signal detects signal and required according to the external temperature of real-time detection
Temperature determines the quantity of turn-on cycle；
In present embodiment, when external temperature is 100 DEG C, required temperature is 500 DEG C, and temperature deficiency needs to heat at this time,
128 cycle whole step heating are then opened first, and temperature rises, and when temperature reaches 500 DEG C of target value, stops heating, opens 0
Turn-on cycle, due to temperature inertness, temperature first can fall back to 500 DEG C more than 500 DEG C again, remember respectively during this gradient of temperature
Target value or so rising and falling time is recorded, and is calculated when target value is 500 DEG C according to the time pro rata of this heating and cooling
Turn-on cycle number, calculated result at this time are 15 turn-on cycles, i.e., can remain current in 15 turn-on cycles or so at this time
500 DEG C of temperature；
Step 4: according to the quantity of determining turn-on cycle, corresponding number conducting week is found in step 2 storage
Position of the phase in control cycle T, according to the position of acquisition, in corresponding minimum control period internal trigger thyristor.
In present embodiment, turn-on cycle be 15 when, corresponding period position be 8,16,24,32,40,48,56,
64,72,80,88,96,104,112,120；
Step 5: executing step 3, when the quantity of determining turn-on cycle changes, in the storage of step 2,
Position of the respective numbers turn-on cycle in control cycle T is found, and obtains corresponding conducting in current control period remaining time
The position in period, according to the position of acquisition, in corresponding minimum control period internal trigger thyristor.
In embodiment 1 and embodiment 2, in turn-on cycle in order to guarantee the end voltage of heating element in grid voltage change
When be no more than its rated range, as shown in Fig. 3, Fig. 4 and Fig. 5, the range of the trigger angle α of thyristor is 0 ° -45 °, is adjusted
Voltage range be 1-0.95 times of network voltage virtual value.When network voltage increases, increases trigger angle α, make its heating
Element end voltage reduces, and guarantees that end voltage is no more than its rated range.
Embodiment 1 and embodiment 2 can monitor external temperature signal in control cycle T at any time, according to external temperature signal
The quantity of turn-on cycle is changed at any time, guarantees temperature controlled precision, and this change will not influence next control
Cycle T.
In the present invention, after temperature required for determining, conducting appropriate is given by the reading to temperature detection signal
Periodicity keeps thyristor open-minded, and temperature detection signal, modification conducting are constantly read during control thyristor is opened, turned off
Periodicity, until temperature reaches required temperature.In control process, when network voltage is fluctuated by network voltage
The detection of signal, adjusting trigger angle α appropriate make the end voltage of heating element be no more than its rated range, ensure that device
It is safe and reliable.Precision, the minimum control bigger control of amount of cycles are adjustably controlled by the selection to minimum control amount of cycles
Precision processed is higher but the control period will increase.
The method of present embodiment is to be controlled by computer program realization temperature control system, and present embodiment respectively walks
Rapid function can also be packaged into hardware module realization, so present embodiment also protects hardware system corresponding with method.
The temperature control system power regulating system for being uniformly distributed turn-on time of present embodiment, the system comprises:
The module for determining minimum control number of cycles, for determining minimum according to minimum control period t and control cycle T
Control the number N in period；
T=Nt；The minimum control period is turn-on cycle or the shutdown period that temperature control system concentrates heating；
Temperature detecting module, real-time detection external temperature signal；
Array determining module is connected, signal is detected according to the external temperature of real-time detection, determines the quantity of turn-on cycle；
Data memory module, the quantity and corresponding number turn-on cycle for storing various turn-on cycles are in control cycle T
Interior position, the turn-on cycle are evenly distributed in control cycle T；
Control module obtains the respective numbers turn-on cycle of storage in control week according to the quantity of determining turn-on cycle
Position in phase T, according to the position of acquisition, in corresponding minimum control period t internal trigger thyristor.
In the data memory module of present embodiment, the turn-on cycle, which is evenly distributed in control cycle T, includes:
When the quantity of turn-on cycle is 1, it is turn-on cycle that first minimum control period N1, which is arranged,；
When the quantity of turn-on cycle is 2, it is turn-on cycle that minimum control period N1, which is arranged, while first and the is arranged
Minimum control period N2 among N number of minimum control period is turn-on cycle；
When the quantity of turn-on cycle is 3, it is turn-on cycle that minimum control period N1 and minimum control period N2, which is arranged, together
When the minimum control period N1 of setting and minimum control period N2 among minimum control period N3 be turn-on cycle；
When the quantity of turn-on cycle is 4, minimum control period N1, minimum control period N2 and minimum control period are set
N3 is turn-on cycle, while minimum control period N2 is arranged and the minimum control period N4 among the n-th minimum control period is
Turn-on cycle；
With the increase of the turn-on cycle number of needs, according to sequence of the turn-on cycle in control cycle T, from front to back according to
The secondary minimum control period by among two adjacent turn-on cycles is set as turn-on cycle, until the quantity of turn-on cycle is N.
The control module of present embodiment, for obtaining the phase of storage when the quantity for determining turn-on cycle changes
Position of the quantity turn-on cycle in control cycle T is answered, and obtains in current control period T remaining time and corresponds to turn-on cycle
Position, according to the position of acquisition, in corresponding minimum control period t internal trigger thyristor.
The range of the trigger angle α of the thyristor of present embodiment is 0 ° -45 °, when network voltage increases, increases triggering
Angle [alpha] makes the reduction of its heating element end voltage, guarantees that end voltage is no more than its rated range.
Although having references to specific embodiment in the present invention to describe the present invention, it should be understood that, these
Embodiment is only the example of principles and applications.It should therefore be understood that can to exemplary embodiment into
The many modifications of row, and can be designed that other arrangements, without departing from essence of the invention as defined in the appended claims
Mind and range.It should be understood that different subordinates can be combined by being different from mode described in original claim
Claim and feature described herein.It will also be appreciated that the feature in conjunction with described in separate embodiments can be used
In other described embodiments.
Claims (10)
1. a kind of temperature control system power regulating method for being uniformly distributed turn-on time, which is characterized in that the described method includes:
The step of determining minimum control number of cycles, for determining minimum control according to minimum control period t and control cycle T
The number N in period；
T=Nt；The minimum control period is turn-on cycle or the shutdown period that temperature control system concentrates heating；
Temperature detection step, real-time detection external temperature signal；
Conducting array determines step, detects signal and required temperature according to the external temperature of real-time detection, determines conducting week
The quantity of phase；
Data storing steps, the quantity and corresponding number turn-on cycle for storing various turn-on cycles are in control cycle T
Position, the turn-on cycle are evenly distributed in control cycle T；
Rate-determining steps obtain the respective numbers turn-on cycle of storage in control cycle T according to the quantity of determining turn-on cycle
Position, according to the position of acquisition, in corresponding minimum control period t internal trigger thyristor.
2. the temperature control system power regulating method according to claim 1 for being uniformly distributed turn-on time, which is characterized in that institute
It states in data storing steps, the turn-on cycle, which is evenly distributed in control cycle T, includes:
When the quantity of turn-on cycle is 1, it is turn-on cycle that first minimum control period N1, which is arranged,；
When the quantity of turn-on cycle is 2, it is turn-on cycle that minimum control period N1, which is arranged, while first and n-th is arranged
Minimum control period N2 among the minimum control period is turn-on cycle；
When the quantity of turn-on cycle is 3, it is turn-on cycle that minimum control period N1 and minimum control period N2, which is arranged, is set simultaneously
The minimum control period N3 set among minimum control period N1 and minimum control period N2 is turn-on cycle；
When the quantity of turn-on cycle is 4, minimum control period N1, minimum control period N2 are set and minimum control period N3 is
Turn-on cycle, while it is conducting that minimum control period N2 and the minimum control period N4 among the n-th minimum control period, which is arranged,
Period；
As the increase of the turn-on cycle number of needs successively will from front to back according to sequence of the turn-on cycle in control cycle T
The minimum control period among two adjacent turn-on cycles is set as turn-on cycle, until the quantity of turn-on cycle is N.
3. the temperature control system power regulating method according to claim 1 for being uniformly distributed turn-on time, which is characterized in that
Week is connected in the rate-determining steps, the respective numbers for when the quantity for determining turn-on cycle changes, obtaining storage
Position of the phase in control cycle T, and obtains the position that turn-on cycle is corresponded in current control period T remaining time, according to obtaining
The position taken, in corresponding minimum control period t internal trigger thyristor.
4. the temperature control system power regulating method according to claim 1 or 3 for being uniformly distributed turn-on time, feature exist
In the range of the trigger angle α of the thyristor is 0 ° -45 °, when network voltage increases, increases trigger angle α, adds it
Thermal element end voltage reduces, and guarantees that end voltage is no more than its rated range.
5. a kind of temperature control system power regulating system for being uniformly distributed turn-on time, which is characterized in that the system comprises:
The module for determining minimum control number of cycles, for determining minimum control according to minimum control period t and control cycle T
The number N in period；
T=Nt；The minimum control period is turn-on cycle or the shutdown period that temperature control system concentrates heating；
Temperature detecting module, real-time detection external temperature signal；
Array determining module is connected, signal and required temperature are detected according to the external temperature of real-time detection, determines conducting week
The quantity of phase；
Data memory module, the quantity and corresponding number turn-on cycle for storing various turn-on cycles are in control cycle T
Position, the turn-on cycle are evenly distributed in control cycle T；
Control module obtains the respective numbers turn-on cycle of storage in control cycle T according to the quantity of determining turn-on cycle
Position, according to the position of acquisition, in corresponding minimum control period t internal trigger thyristor.
6. the temperature control system power regulating system according to claim 5 for being uniformly distributed turn-on time, which is characterized in that institute
It states in data memory module, the turn-on cycle, which is evenly distributed in control cycle T, includes:
When the quantity of turn-on cycle is 1, it is turn-on cycle that first minimum control period N1, which is arranged,；
When the quantity of turn-on cycle is 2, it is turn-on cycle that minimum control period N1, which is arranged, while first and n-th is arranged
Minimum control period N2 among the minimum control period is turn-on cycle；
When the quantity of turn-on cycle is 3, it is turn-on cycle that minimum control period N1 and minimum control period N2, which is arranged, is set simultaneously
The minimum control period N3 set among minimum control period N1 and minimum control period N2 is turn-on cycle；
When the quantity of turn-on cycle is 4, minimum control period N1, minimum control period N2 are set and minimum control period N3 is
Turn-on cycle, while it is conducting that minimum control period N2 and the minimum control period N4 among the n-th minimum control period, which is arranged,
Period；
As the increase of the turn-on cycle number of needs successively will from front to back according to sequence of the turn-on cycle in control cycle T
The minimum control period among two adjacent turn-on cycles is set as turn-on cycle, until the quantity of turn-on cycle is N.
7. the temperature control system power regulating system according to claim 5 for being uniformly distributed turn-on time, which is characterized in that
Week is connected in the control module, the respective numbers for when the quantity for determining turn-on cycle changes, obtaining storage
Position of the phase in control cycle T, and obtains the position that turn-on cycle is corresponded in current control period T remaining time, according to obtaining
The position taken, in corresponding minimum control period t internal trigger thyristor.
8. being uniformly distributed the temperature control system power regulating system of turn-on time according to claim 5 or 7, feature exists
In the range of the trigger angle α of the thyristor is 0 ° -45 °, when network voltage increases, increases trigger angle α, adds it
Thermal element end voltage reduces, and guarantees that end voltage is no more than its rated range.
9. a kind of temperature control system power regulating system for being uniformly distributed turn-on time, including memory, processor and it is stored in
In the memory and the computer program that can run on the processor, which is characterized in that described in the processor executes
Computer program is realized such as the step of claim 1,2,3 or 4 the method.
10. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In realization is such as the step of claim 1,2,3 or 4 the method when the computer program is executed by processor.
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|---|---|---|---|---|
| CN2042257U (en) * | 1988-07-25 | 1989-08-02 | 蒋俊华 | Silicon-controlled zero-triggered power regulator |
| CN1961233A (en) * | 2004-02-12 | 2007-05-09 | 帕诺拉马实验室有限公司 | Magneto-optic device display |
| CN1998127A (en) * | 2004-06-14 | 2007-07-11 | 曹永昌 | Method for switching low-power using AC and system for performing the same and power supply for using the system |
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| AT515859B1 (en) * | 2014-06-12 | 2019-10-15 | Innio Jenbacher Gmbh & Co Og | Internal combustion engine |
| CN105679236B (en) * | 2016-04-06 | 2018-11-30 | 京东方科技集团股份有限公司 | Pixel circuit and its driving method, array substrate, display panel and display device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042257U (en) * | 1988-07-25 | 1989-08-02 | 蒋俊华 | Silicon-controlled zero-triggered power regulator |
| CN1961233A (en) * | 2004-02-12 | 2007-05-09 | 帕诺拉马实验室有限公司 | Magneto-optic device display |
| CN1998127A (en) * | 2004-06-14 | 2007-07-11 | 曹永昌 | Method for switching low-power using AC and system for performing the same and power supply for using the system |
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