CN107943158A - A kind of automatic adjusument power output heating intelligent control card and its control method - Google Patents
A kind of automatic adjusument power output heating intelligent control card and its control method Download PDFInfo
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- CN107943158A CN107943158A CN201711307574.3A CN201711307574A CN107943158A CN 107943158 A CN107943158 A CN 107943158A CN 201711307574 A CN201711307574 A CN 201711307574A CN 107943158 A CN107943158 A CN 107943158A
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- power
- heating
- automatic adjusument
- output
- power output
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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
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
- G05D23/32—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature with provision for adjustment of the effect of the auxiliary heating device, e.g. a function of time
-
- 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
- G05D23/1917—Control of temperature characterised by the use of electric means using digital means
Abstract
The invention discloses a kind of automatic adjusument power output heating intelligent control card and its control method, it is related to technical field of temperature control.The control card includes：The silicon-controlled output terminal in 16 road of Phototube Coupling, current transformer, voltage transformer, temperature sensor and microprocessor.The present invention is using to the actual power of each computer heating control point, supply voltage, variation of ambient temperature correlated variables, pass through related algorithm, in the case of setting power is certain, automatically adjust the power output of temperature control point, make reality output heating power consistent with setting power, temperature reaches accurate control, and this temperature control method small investment, simple, reliable, stabilization, installation and debugging are conveniently.
Description
Technical field
The present invention relates to technical field of temperature control, more particularly relates to a kind of automatic adjusument power output intelligent heating
Control card and its control method.
Background technology
Conventional temperature control mostly uses the PID close-loop control modes of thermocouple collection site temperature feedback, this temperature control
Mode is adapted to that temperature control points are few, the uncomplicated situation of wiring, and substantial amounts of temperature control point is not only of high cost in this way, greatly
It is difficult to ensure that thermocouple detection is not subject to forceful electric power to disturb together with calorimetric galvanic couple and forceful electric power installation cabling, occur at any time interference make it is whole
A temperature-controlling system becomes highly unstable.Influence stable temperature control the main reason for be heating unit device power, supply voltage and
Variation of ambient temperature.
In conclusion temperature control of the prior art, there are of high cost, and the problem of temperature-controlling system stability is poor.
The content of the invention
The embodiment of the present invention provides a kind of automatic adjusument power output heating intelligent control card and its control method, to
Solution exist in the prior art it is of high cost, and the problem of temperature-controlling system stability is poor.
The embodiment of the present invention provides a kind of automatic adjusument power output heating intelligent control card, including：Phototube Coupling 16
The silicon-controlled output terminal in road, current transformer, voltage transformer, temperature sensor and microprocessor；
The silicon-controlled output terminal in 16 road of Phototube Coupling is connected with heating 16 heating passages of power grid respectively；
The current transformer, the electric current of each heating passage is detected for timesharing；
The voltage transformer, the voltage of each heating passage is detected for timesharing；
The temperature sensor, for detecting environment temperature；
The microprocessor, for the electric current and voltage according to each heating passage, the reality of each heating passage of acquisition
Border power；And the actual power of passage is each heated for basis, the predetermined power of passage is each heated, each heats passage
Dynamic power voltage and environment temperature, pass through the silicon-controlled output terminal output adaptive in 16 road of Phototube Coupling and adjust power.
A kind of automatic adjusument power output heating intelligent control card, it is characterised in that 16 tunnel of Phototube Coupling is controllable
Silicon output terminal includes：The silicon-controlled output terminal of the silicon-controlled output terminal in first Phototube Coupling, 8 road and 8 road of the second Phototube Coupling；Described
The silicon-controlled output terminal in one Phototube Coupling, 8 road (51) is to account for control ratio adjusting power take-off the band automatic adjusument time, described second
The silicon-controlled output terminal in 8 road of Phototube Coupling (52) is that band automatic adjusument PWM adjusts power take-off.
Preferably, the microprocessor is also electrically connected with 485 communication interfaces；485 communication interface, it is another for connecting
A automatic adjusument power output heating intelligent control card.
Preferably, the microprocessor is also electrically connected with data storage.
Preferably, the microprocessor is also electrically connected with power management module.
Preferably, the microprocessor is also electrically connected with integrated electric quantity metering chip, and the integrated electric quantity metering chip
It is electrically connected respectively with the current transformer and the voltage transformer.
Preferably, the microprocessor is also electrically connected with 16 road input terminal of Phototube Coupling；16 tunnel of the Phototube Coupling input
End, for detecting short circuit, the open circuit of each heating passage in real time.
The embodiment of the present invention provides a kind of control method of automatic adjusument power output heating intelligent control card, including：
Step 1：Timesharing obtains the actual power of each heating passage；
Step 2：Obtain the dynamic power voltage of each heating passage；
Step 3：Obtain environment temperature；
Step 4：By formula (1), heating power and supply voltage change pressure regulation power output are determined；
Step 5：By formula (2), determine that variation of ambient temperature adjusts quantity of power；
Step 6：By formula (3), automatic adjusument power output is determined；
The formula (1) is as follows：
Heating power and supply voltage change pressure regulation power output=heating power rated value * set value of the power * standard work(
Rate * calibration powers/(measurement voltage * measurement voltage * measured powers)；
The formula (2) is as follows：
Variation of ambient temperature adjusts quantity of power=(reference environment temperature-environment temperature) * adjustment factors；
The formula (3) is as follows：
Automatic adjusument power output=variation of ambient temperature adjusts quantity of power+heating power and supply voltage change pressure regulation
Power output.
Preferably, the embodiment of the present invention provides a kind of controlling party of automatic adjusument power output heating intelligent control card
Method, further includes：The automatic adjusument power output is accounted for into control than way of output temperature control by the band automatic adjusument time；Its
In, the time accounts for control than output, including：1 second period was divided into 1000 equal portions and carries out time pulsewidth width adjusting power
Output.
Preferably, the embodiment of the present invention provides a kind of controlling party of automatic adjusument power output heating intelligent control card
Method, further includes：The automatic adjusument power output is passed through into band automatic adjusument PWM Power Regulation way of output temperature controls；Wherein, institute
PWM Power Regulations output is stated, including：Power output is adjusted using the spike train that each pulse width is equal as PWM waveform.
In the embodiment of the present invention, there is provided a kind of automatic adjusument power output heating intelligent control card and its control method,
Compared with prior art, its advantage is as follows：
In order to realize that each temperature controlling point is stably and controllable, equipment control cost is reduced again, the present invention is using to each heating
The actual power at control point, supply voltage, variation of ambient temperature correlated variables, by related algorithm, pledge love in setting power one
Under condition, the power output of temperature control point is automatically adjusted, makes reality output heating power consistent with setting power, temperature reaches
Accurate control.This temperature control method small investment, simple, reliable, stabilization, installation and debugging are convenient.
Brief description of the drawings
Fig. 1 is a kind of automatic adjusument power output heating intelligent control card functional block diagram provided in an embodiment of the present invention；
Fig. 2 is a kind of control method of automatic adjusument power output heating intelligent control card provided in an embodiment of the present invention
Schematic diagram；
Fig. 3 is a kind of automatic adjusument power output heating intelligent control card provided in an embodiment of the present invention using wiring
Figure.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment 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 are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is a kind of automatic adjusument power output heating intelligent control card provided in an embodiment of the present invention.Such as Fig. 1 institutes
Show, which includes：The silicon-controlled output terminal in 16 road of Phototube Coupling, current transformer 1, voltage transformer 2, temperature sensor 3
With microprocessor 4.
Specifically, the silicon-controlled output terminal in 16 road of Phototube Coupling is connected with heating 16 heating passages of power grid respectively；Electric current
Mutual inductor 1, the electric current of each heating passage is detected for timesharing；Voltage transformer 2, each heating passage is detected for timesharing
Voltage；Temperature sensor 3, for detecting environment temperature；Microprocessor 4, the electric current and voltage of passage are each heated for basis,
Obtain the actual power of each heating passage；And the actual power of passage is each heated for basis, each heats passage
Predetermined power, the dynamic power voltage and environment temperature of each heating passage, pass through the silicon-controlled output terminal in 16 road of Phototube Coupling
Output adaptive adjusts power.
It should be noted that the present invention uses digital temperature sensor, arm processor and digital temperature sensor communication,
Detect environment temperature.
It should be noted that the silicon-controlled output in 16 roads of the invention is eliminated using photoisolator isolation forceful electric power, weak current part
Interference of the forceful electric power to system.
It is preferred that the silicon-controlled output terminal in 16 road of Phototube Coupling includes：The silicon-controlled output terminal 51 in first Phototube Coupling, 8 road and
The silicon-controlled output terminal 52 in two Phototube Couplings, 8 road；The silicon-controlled output terminal 51 in first Phototube Coupling, 8 road is to account for the band automatic adjusument time
Control is that band automatic adjusument PWM adjusts power output than adjusting power take-off, the silicon-controlled output terminal 52 in 8 road of the second Phototube Coupling
End.
It is preferred that microprocessor 4 is also electrically connected with 485 communication interfaces 6；485 communication interfaces 6, for connecting another certainly
Adapt to adjust power output heating intelligent control card.Communicated using RS485, there is communication distance length, the spy of strong antijamming capability
Point.
It is preferred that microprocessor 4 is also electrically connected with data storage 7.Using ferroelectricity processor, can preserve up to 50 years
Data.
It is preferred that microprocessor 4 is also electrically connected with power management module 8.Using efficient switch power supply, 3.3V, 5V2 are exported
Road voltage is supplied to processor and peripheral spare part, reduces the temperature rise on control panel.
It is preferred that microprocessor 4 is also electrically connected with integrated electric quantity metering chip 9, and integrated electric quantity metering chip 9 respectively with
Current transformer 1 and voltage transformer 2 are electrically connected.
It is preferred that microprocessor 4 is also electrically connected with 16 road input terminal 10 of Phototube Coupling；16 road input terminal 10 of Phototube Coupling,
For heating short circuit, the open circuit of each passage using photoisolator isolation forceful electric power, weak current part, in real time detection.
It should be noted that microprocessor 4 has 16 road PWM output functions using ARM chip processors, it can meet hardware
Realize the needs of heating Power Regulation；With 72,000,000 processing speed, communication, data processing, 16 heating passages realities can be effectively ensured
When automatic adjusument output processing.
It should be noted that A, B are detected using integrated electric quantity metering chip 9, current transformer 1, voltage transformer 2 automatically
Phase voltage, 16 heating channel powers, total electricity consumptions.Heating channel power detect the system by timesharing (such as every 0.5 second,
Time range may be provided between 0.1-2 seconds) give every mutually each heating passage to be separately energized after power output stabilization, system is certainly
Dynamic to detect the channel current, electricity special chip calculates the channel output power automatically.Wherein, as shown in figure 3, A, B are respectively
Two-phase different electrical power inlet wire, N are zero curves, and A phases supply heating power supply to passage 1-8, and B phases supply heating power supply to passage 9-16；Heating
In A, B two-phase respectively by dress current transformer and voltage sensor on control card wiring board；Current transformer and voltage during work
Sensor computer heating control card detects in real time, can so detect every phase supply voltage and 16 passage power consumption (power supply cores in real time
Piece measures)；During the power of each heating passage of detection, to stop all passage heating, per mutually timesharing is led to each passage respectively
Electricity (stops, being powered to next passage) if being powered 1 second, can so be counted by the electric current of each passage and per phase voltage
Calculate each channel power.
The principle of the invention is：Using modularization integrated combination design method, each computer heating control card totally 16 output channels,
Each computer heating control card is for two-phase electricity, and per 8 passages of phase control, each passage rated voltage 220V outputs, silicon-controlled output is most
High current is generally less than 30 amperes, and multiple computer heating control cards are connected by 485 communication modes of backplane bus；Computer heating control card can be remembered
Record the electricity consumption total amount of 16 passages；Computer heating control card can detect two-phase supply voltage, electric current in real time, can detect each add
The actual power of the passage of heat；Computer heating control card can detect environment temperature all the way.The offer band automatic adjusument time accounts for control ratio, band certainly
Adapt to PWM Power Regulations and export two kinds of temperature control methods.
Fig. 2 is a kind of control method of automatic adjusument power output heating intelligent control card provided in an embodiment of the present invention
Schematic diagram；As shown in Fig. 2, the described method includes：
Step 1：Timesharing obtains the actual power of each heating passage.
Step 2：Obtain the dynamic power voltage of each heating passage.
Step 3：Obtain environment temperature.
Step 4：By formula (1), heating power and supply voltage change pressure regulation power output are determined.
Formula (1) is as follows：
Heating power and supply voltage change pressure regulation power output=heating power rated value * set value of the power * standard work(
Rate * calibration powers/(measurement voltage * measurement voltage * measured powers).
Step 5：By formula (2), determine that variation of ambient temperature adjusts quantity of power.
Formula (2) is as follows：
Variation of ambient temperature adjusts quantity of power=(reference environment temperature-environment temperature) * adjustment factors.
Step 6：By formula (3), automatic adjusument power output is determined.
Formula (3) is as follows：
Automatic adjusument power output=variation of ambient temperature adjusts quantity of power+heating power and supply voltage change pressure regulation
Power output.
It is preferred that the automatic adjusument power output is accounted for into control than way of output control by the band automatic adjusument time
Temperature；Wherein, the time accounts for control than output, including：1 second period was divided into 1000 equal portions and carries out time pulsewidth width adjusting
Power output.
It is preferred that the automatic adjusument power output is passed through into band automatic adjusument PWM Power Regulation way of output temperature controls；Its
In, the PWM Power Regulations output, including：Power output is adjusted using the spike train that each pulse width is equal as PWM waveform.
Specifically, the present invention provides two kinds and (detects PID to each control point reload temperature different from conventional temperature control
Control) temperature control method is optional：
First way：The band automatic adjusument time accounts for control than output temperature control, time pulsewidth width Power Regulation method.Wherein, when
Between account for control than output：1 second (time range may be provided between 0.5-10 seconds) period was divided into 1000 equal portions (often by computer
1 millisecond of equal portions) time pulsewidth width Power Regulation method is carried out, computer heating control point power is existing power 50% at this time for setting 500.
The second way：Band automatic adjusument PWM Power Regulation output temperature controls, adjust silicon-controlled output power Power Regulation method.Wherein,
PWM Power Regulations export：By to computer programming, being exported using the spike train that each pulse width is equal as PWM waveform, this method
It is to be output to computer heating control point by varying the width generation rectangular wave of pulse, can so adjusts computer heating control point power output
Size purpose.
It should be noted that two kinds of band automatic adjusument output control temperature methods, heating intelligent control card first is to certain
A computer heating control point carries out power setting, and system detects each channel power automatically when starting, and dynamic detection adds during normal work
Hot spot supply voltage, environment temperature, automatic adjustment output is realized by the specific calculation of software, automatic to adapt to influence every temperature
Correlative factor change is stablized in control, setting power is consistent with output power.Specific algorithm is as follows：
(1) heating power and supply voltage change pressure regulation power output
Each passage measured power P is heated, is detected by computer heating control card, to be converted into particular reference to voltage (with reference to such as
220V, 110V etc.) calibration power, the system 220V calibration powers.
Heating power and supply voltage change pressure regulation power output=heating power rated value * set value of the power * 220*
220/ (measurement voltage V* measurement voltage V* measured power P).
(2) variation of ambient temperature adjusts quantity of power
Variation of ambient temperature adjusting power will be converted to specific environment temperature (such as 25 degree, 20 degree) and make reference adjusting, this
System reference environment temperature is 25 degree.
Variation of ambient temperature adjusts quantity of power=(25- environment temperature T) * 1.5；(1.5 be adjustment factor, can voluntarily be set
Put).
(3) automatic adjusument power output
Automatic adjusument power output=variation of ambient temperature adjusts quantity of power+heating power and supply voltage change pressure regulation
Power output.
Embodiment：
Example：Heating power rated value=1000 watt, set value of the power=400, measurement voltage V=222V, measured power P=
900 watts, environment temperature T=15 degree.
Power output after automatic adjusument calculates
=1000*400*220*220/ (222*222*900)+(25-15) * 1.5=436+15=451.
The two kinds of results of temperature control method with automatic adjusument
1) setting value=400 account for control than output 451,400 watts of reality output heating power with the automatic adjusument time.
2) setting value=400 are converted into 0-10V by 451 first with automatic adjusument PWM Power Regulations output temperature control, the method
(corresponding 0-1000 input linear relation) analog quantity 4.51V inputs find out corresponding power output by computer look-up table, control
Thyristor operating angle is triggered, makes 400 watts of reality output heating power.
By related algorithm above, in the case of setting power is certain, software automatic adjustment because computer heating control point power,
Power output influences caused by supply voltage, environment temperature etc. change, and exports the heating power of each computer heating control point and stablizes,
Temperature reaches accurate control.
Disclosed above is only several specific embodiments of the present invention, and those skilled in the art can carry out the present invention
Various modification and variations without departing from the spirit and scope of the present invention, if these modifications and changes of the present invention belong to the present invention
Within the scope of claim and its equivalent technologies, then the present invention is also intended to comprising including these modification and variations.
Claims (10)
- A kind of 1. automatic adjusument power output heating intelligent control card, it is characterised in that including：16 road of Phototube Coupling is silicon-controlled Output terminal, current transformer (1), voltage transformer (2), temperature sensor (3) and microprocessor (4)；The silicon-controlled output terminal in 16 road of Phototube Coupling is connected with heating 16 heating passages of power grid respectively；The current transformer (1), the electric current of each heating passage is detected for timesharing；The voltage transformer (2), the voltage of each heating passage is detected for timesharing；The temperature sensor (3), for detecting environment temperature；The microprocessor (4), for the electric current and voltage according to each heating passage, the reality of each heating passage of acquisition Power；And the actual power of passage is each heated for basis, the predetermined power of passage is each heated, each heats passage Dynamic power voltage and environment temperature, it is automatic to calculate output, exported by the silicon-controlled output terminal in 16 road of Phototube Coupling adaptive Power should be adjusted.
- 2. automatic adjusument power output heating intelligent control card as claimed in claim 1, it is characterised in that the photoelectricity every Include from the silicon-controlled output terminal in 16 roads：The silicon-controlled output terminal in first Phototube Coupling, 8 road (51) and 8 road of the second Phototube Coupling are silicon-controlled Output terminal (52)；The silicon-controlled output terminal in first Phototube Coupling, 8 road (51) is to account for control the band automatic adjusument time than adjusting work( Rate output terminal, the silicon-controlled output terminal in 8 road of the second Phototube Coupling (52) are that band automatic adjusument PWM adjusts power take-off.
- 3. automatic adjusument power output heating intelligent control card as claimed in claim 1, it is characterised in that the microprocessor Device (4) is also electrically connected with 485 communication interfaces (6)；485 communication interface (6), for connecting another automatic adjusument power Export heating intelligent control card.
- 4. automatic adjusument power output heating intelligent control card as claimed in claim 1, it is characterised in that the microprocessor Device (4) is also electrically connected with data storage (7).
- 5. automatic adjusument power output heating intelligent control card as claimed in claim 1, it is characterised in that the microprocessor Device (4) is also electrically connected with power management module (8).
- 6. automatic adjusument power output heating intelligent control card as claimed in claim 1, it is characterised in that the microprocessor Device (4) is also electrically connected with integrated electric quantity metering chip (9), and the integrated electric quantity metering chip (9) is mutual with the electric current respectively Sensor (1) and the voltage transformer (2) are electrically connected.
- 7. automatic adjusument power output heating intelligent control card as claimed in claim 1, it is characterised in that the microprocessor Device (4) is also electrically connected with 16 road input terminal (10) of Phototube Coupling；The 16 road input terminal (10) of Phototube Coupling, for detecting in real time Short circuit, the open circuit of each heating passage.
- A kind of 8. control method of automatic adjusument power output heating intelligent control card, it is characterised in that including：Step 1：Timesharing obtains the actual power of each heating passage；Step 2：Obtain the dynamic power voltage of each heating passage；Step 3：Obtain environment temperature；Step 4：By formula (1), heating power and supply voltage change pressure regulation power output are determined；Step 5：By formula (2), determine that variation of ambient temperature adjusts quantity of power；Step 6：By formula (3), automatic adjusument power output is determined；The formula (1) is as follows：Heating power and supply voltage change pressure regulation power output=heating power rated value * set value of the power * calibration powers * marks Quasi- power/(measurement voltage * measurement voltage * measured powers)；The formula (2) is as follows：Variation of ambient temperature adjusts quantity of power=(reference environment temperature-environment temperature) * adjustment factors；The formula (3) is as follows：Automatic adjusument power output=variation of ambient temperature adjusts quantity of power+heating power and supply voltage change pressure regulation power Output.
- 9. the control method of automatic adjusument power output heating intelligent control card as claimed in claim 8, it is characterised in that Further include：The automatic adjusument power output is accounted for into control than way of output temperature control by the band automatic adjusument time；Wherein, institute State the time account for control than output, including：1 second period was divided into 1000 equal portions and carries out time pulsewidth width adjusting power output.
- 10. the control method of automatic adjusument power output heating intelligent control card as claimed in claim 8, its feature exist In further including：The automatic adjusument power output is passed through into band automatic adjusument PWM Power Regulation way of output temperature controls；Wherein, institute PWM Power Regulations output is stated, including：Power output is adjusted using the spike train that each pulse width is equal as PWM waveform.
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| CN201711307574.3A CN107943158B (en) | 2017-12-11 | 2017-12-11 | Intelligent heating control card capable of adaptively adjusting power output and control method thereof |
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| CN201711307574.3A CN107943158B (en) | 2017-12-11 | 2017-12-11 | Intelligent heating control card capable of adaptively adjusting power output and control method thereof |
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| CN114650018A (en) * | 2022-05-18 | 2022-06-21 | 成都市克莱微波科技有限公司 | Self-adaptive heat dissipation method, heat dissipation device and heat dissipation system for power amplifier |
| CN114650018B (en) * | 2022-05-18 | 2022-09-06 | 成都市克莱微波科技有限公司 | Self-adaptive heat dissipation method, heat dissipation device and heat dissipation system for power amplifier |
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Effective date of registration: 20220125 Address after: 230000 room 304, building 1, Kangning Jiayuan, shilimiao, Shushan District, Hefei City, Anhui Province Patentee after: Shi Xiangui Address before: 230000 comprehensive service center of Information Industry Park, 622 Huangshan Road, Hefei, Anhui 303 Patentee before: HEFEI WEIBO AUTOMATION TECHNOLOGY Co.,Ltd. Patentee before: Shi Xiangui |