CN103543766B - A kind of temperature control system - Google Patents
A kind of temperature control system Download PDFInfo
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- CN103543766B CN103543766B CN201310276606.3A CN201310276606A CN103543766B CN 103543766 B CN103543766 B CN 103543766B CN 201310276606 A CN201310276606 A CN 201310276606A CN 103543766 B CN103543766 B CN 103543766B
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Abstract
The invention discloses a kind of temperature control system, comprise controller, pulse signal generator, driver, heating arrangement and output transducer, controller is connected with pulse signal generator, driver is connected with heating arrangement, pulse signal generator is connected with driver, be provided with the sensor for the voltage signal and current signal extracting heating arrangement between pulse signal generator and heating arrangement, sensor is connected with heating arrangement and pulse signal generator respectively; Advantage is that pulse signal generator exports to driver according to the drive singal generation pulse control signal of the real-time output power of heating arrangement and controller, realize the compensation to fullness level's change and Parameters variation in whole temperature control system, this temperature control system does not need to adopt high-accuracy drive source, can realize controlling the high precision of control object temperature, simultaneously owing to greatly reducing the impact of perturbation to the rectification of control object, the robustness of temperature control system is greatly improved.
Description
Technical field
The present invention relates to a kind of temperature control technology, especially relate to a kind of temperature control system.
Background technology
Existing pulsed temperature control system generally comprises controller, pulse signal generator, driver, heating arrangement and output transducer, the output terminal of controller is connected with the input end of pulse signal generator, the output terminal of pulse signal generator is connected with the input end of driver, the output terminal of driver is connected with the input end of heating arrangement, the output terminal of heating arrangement is connected with control object, the input end of output transducer is connected with control object, and the output terminal of output transducer is connected with the input end of controller.Its principle of work is: the input end access target temperature value of controller, the temperature of output transducer real-time inspection and control object also generates real time temperature feedback signal transmission to controller, temperature feedback signal is converted to feedback temperature value by controller, and feedback temperature value and target temperature value are compared, generate corresponding pulse control signal according to error production control signal drive pulse signal generator between the two, the temperature of adjustment control object makes itself and target temperature value be consistent in real time.
Temperature control system is normally the control object of nominal and designing, and hypothesis has permanent parameter in this nominal control object.In pulsed temperature control system, be by adjusting the dutycycle of control signal to the control of temperature, namely the ON time of pulse control signal and the ratio in cycle realize.Under fullness level's (being sent to the power of heating arrangement in namely during ON time) of control object, the size of dutycycle determines the height of power.Under normal conditions, the pulse control signal that pulse signal generator is supplied to heating arrangement can generate exactly.But the change of fullness level and the change of control object parameter are all the disturbances to whole temperature control system.If disturbance is much slower than the dynamics of control object and the change of control object is very little, temperature control system can be corrected and be changed by this error caused so under normal circumstances, and effectively reduces its impact.But, if this alters a great deal, so will produce a significant disturbance in temperature control system, and if this change is very fast, even if it is very little, also can become the noise of temperature control system.Although for disturbance, the robustness increasing temperature control system can improve its stability, or the bandwidth narrowing temperature control system also can allow it insensitive to system noise, but all these methods all can cause the deterioration of the control performance of temperature control system.Needing, in the temperature control system accurately controlled, to need the change of control object to control among a small circle.But, in order to make change less, except reducing control object to except the susceptibility of influence factor, also need high-accuracy drive source (driver and heating arrangement), high-accuracy drive source and system cost is added to the insensitive robust control object of influence factor, and sometimes there is not the high-precision drive source met the demands.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of need and adopts high-accuracy drive source, can realize the temperature control system controlled the high precision of control object temperature.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of temperature control system, comprise controller, pulse signal generator, driver, heating arrangement and output transducer, described controller is connected with described pulse signal generator, described driver is connected with described heating arrangement, described pulse signal generator is connected with described driver, the sensor for the voltage signal and current signal extracting described heating arrangement is provided with between described pulse signal generator and described heating arrangement, described sensor is connected with described heating arrangement and described pulse signal generator respectively.
Described pulse signal generator is provided with pwm control signal output terminal, and the pwm control signal output terminal of described pulse signal generator is connected with described driver.
Described pulse signal generator is made up of pulse control module and pulse signal generation module, described pulse signal generation module comprises period register, period counter, ON time register, ON time counter, load steering logic module and signal steering logic module, the signal output part of described pulse control module is connected with the signal input part of described period register and the signal input part of described ON time register respectively, the signal output part of described period register is connected with the signal input part of described period counter and the signal input part of described signal steering logic module respectively, the signal output part of described ON time register is connected with the signal input part of described ON time counter and the signal input part of described signal steering logic module respectively, the signal output part of described period counter respectively with described load steering logic module and described signal steering logic model calling, the signal output part of described ON time counter and described signal steering logic model calling.
Described pulse control module comprises value of feedback computing module, first order dutycycle decision module, first order cycle decision module, desired value computing module, comparer, second level cycle decision module and second level ON time computing module, the signal input part of described value of feedback computing module is connected with the signal output part of the signal output part of described sensor and described output transducer, the signal input part of described first order dutycycle decision module, the signal input part of described first order cycle decision module is connected with the signal output part of described controller respectively with the signal input part of described second level cycle decision module, the signal output part of described first order dutycycle decision module is connected with the signal input part of described desired value computing module respectively with the signal output part of described first order cycle decision module, the signal output part of described desired value computing module is connected with the signal input part of described comparer respectively with the signal output part of described value of feedback computing module, the signal output part of described comparer is connected with the signal input part of described second level ON time computing module.
Described pulse signal generator is provided with PDM control signal output terminal, and the PDM control signal output terminal of described pulse signal generator is connected with described driver.
Described pulse signal generator is made up of pulse control module and pulse signal generation module, described pulse signal generation module comprises period register, period counter, ON time register, ON time counter, the length of one's sleep register, the length of one's sleep counter, clock control logic module, load steering logic module and signal steering logic module, the signal output part of described pulse control module respectively with the signal input part of described period register, the signal input part of described ON time register is connected with the signal input part of register described length of one's sleep, the signal output part of described period register is connected with the signal input part of described period counter and the signal input part of described signal steering logic module respectively, the signal output part of described ON time register is connected with the signal input part of described ON time counter and described signal steering logic module respectively, described length of one's sleep register signal output part with described length of one's sleep counter signal input part be connected, the signal output part of described period counter respectively with described load steering logic module and described signal steering logic model calling, the signal output part of described ON time counter and described signal steering logic model calling, described length of one's sleep counter signal output part and described clock control logic model calling.
Described pulse control module comprises value of feedback computing module, first order dutycycle decision module, first order cycle decision module, desired value computing module, comparer, second level cycle decision module and second level ON time computing module, the signal input part of described value of feedback computing module is connected with the signal output part of the signal output part of described sensor and described output transducer, the signal input part of described first order dutycycle decision module, the signal input part of described first order cycle decision module is connected with the signal output part of described controller respectively with the signal input part of described second level cycle decision module, the signal output part of described first order dutycycle decision module is connected with the signal input part of described desired value computing module respectively with the signal output part of described first order cycle decision module, the signal output part of described desired value computing module is connected with the signal input part of described comparer respectively with the signal output part of described value of feedback computing module, the signal output part of described comparer is connected with the signal input part of described second level ON time computing module.
Described controller is PID controller, and described driver is ON-OFF control circuit, and described heating arrangement is electric heater.
Compared with prior art, the invention has the advantages that the sensor be provided with between pulse signal generator and heating arrangement for the voltage signal and current signal extracting heating arrangement, pulse signal generator draws the real-time output power of heating arrangement according to the feedback signal of sensor, desired value is set with in controller, controller draws the drive singal of pulse signal generator after the value of feedback of desired value and output transducer being compared, pulse signal generator exports to driver according to the drive singal generation pulse control signal of the real-time output power of heating arrangement and controller, structure interior closed loop achieves the compensation to fullness level's change and Parameters variation in temperature control system thus, in this closed loop effect under, even if drive source that need not be high-accuracy, also can realize controlling the high precision of control object temperature, meanwhile, the introducing of interior closed loop greatly reduces the impact of perturbation on temperature control system, improves the robustness of temperature control system,
In the present invention, when pulse signal generator is provided with pwm control signal output terminal, the pwm control signal output terminal of pulse signal generator is connected with driver, pulse signal generator is made up of pulse control module and pulse signal generation module, and pulse signal generation module comprises period register, period counter, ON time register, ON time counter, load steering logic module and signal steering logic module, wherein the output terminal of signal steering logic module is pwm control signal output terminal, signal steering logic module is according to the output signal of period counter, the output signal of period register, the output signal of ON time register and the output signal of ON time counter produce pwm control signal,
In the present invention, when pulse control module comprises value of feedback computing module, first order dutycycle decision module, first order cycle decision module, desired value computing module, comparer, when second level cycle decision module and second level ON time computing module, when signal generates, first in value of feedback computing module, calculate the currency of control object, simultaneously by first order dutycycle decision module, first order cycle decision module and desired value computing module obtain the desired value of control object, on this basis, the currency of control object and desired value contrast by comparer, then comparative result is used for calculating ON time signal by second level ON time computing module, second level cycle decision module in pulse control module draws periodic signal according to the control signal of controller, and this periodic signal is used for producing pwm control signal by control wave generation module together with ON time signal exports, thus realize controlling the PWM of control object,
In the present invention, when pulse signal generator is provided with PDM control signal output terminal, the PDM control signal output terminal of pulse signal generator is connected with driver, pulse signal generator is made up of pulse control module and pulse signal generation module, and pulse signal generation module comprises period register, period counter, ON time register, ON time counter, the length of one's sleep register, the length of one's sleep counter, clock control logic module, load steering logic module and signal steering logic module, in pulse signal generation module, it is synchronous that period counter and ON time counter pass through clock control signal, when period counter be counted as zero time, in load steering logic module, an asserts signal produces along with clock signal, and start new cycle at the negative edge of this asserts signal, the output terminal of signal steering logic module is PDM control signal output terminal, and signal steering logic module adopts the output signal of the output signal of the output signal of the output signal of period counter, period register, ON time register, ON time counter, asserts signal and clock signal to produce PDM control signal,
When pulse control module comprises value of feedback computing module, first order dutycycle decision module, first order cycle decision module, desired value computing module, comparer, when second level cycle decision module and second level ON time computing module, when signal generates, first the currency of control object is obtained at value of feedback computing module, simultaneously by first order dutycycle decision module, first order cycle decision module and desired value computing module obtain the desired value of control object, on this basis, the currency of control object and desired value contrast by comparer, then draw ON time signal by second level ON time computing module, second level cycle decision module in pulse control module draws periodic signal according to the control signal controlled, and this periodic signal is used for producing PDM control signal by control wave generation module together with ON time signal exports, thus realize controlling the PDM of control object.
Accompanying drawing explanation
Fig. 1 is the theory diagram of embodiment one;
Fig. 2 is the structural representation of embodiment one or embodiment two;
Fig. 3 is the theory diagram of the pulse signal generator of embodiment one;
Fig. 4 is the theory diagram of the pulse signal generation module of embodiment one;
Fig. 5 is the signal sequence process flow diagram of the pulse signal generation module of embodiment one;
Fig. 6 is the theory diagram of the pulse control module of embodiment one;
Fig. 7 is the theory diagram of embodiment two;
Fig. 8 is the theory diagram of the pulse signal generator of embodiment two;
Fig. 9 is the theory diagram of the pulse signal generation module of enforcement two;
Figure 10 is the theory diagram of the pulse control module of enforcement two.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment one: as shown in Figure 1, a kind of temperature control system, comprise controller 1, pulse signal generator 2, driver 3, heating arrangement 4 and output transducer 5, controller 1 is PID controller, driver 3 is ON-OFF control circuit, heating arrangement 4 is electric heater, output transducer 5 is temperature sensor, controller 1 is connected with pulse signal generator 2, driver 3 is connected with heating arrangement 4, pulse signal generator 2 is provided with pwm control signal output terminal, this pwm control signal output terminal is connected with driver 3, the sensor 6 of voltage signal for extracting heating arrangement 4 and current signal is provided with between pulse signal generator 2 and heating arrangement 4, sensor 6 is connected with heating arrangement 4 and pulse signal generator 2 respectively.
As shown in Figure 2, in the present embodiment, control object is water tank 7, and heating arrangement 4 is well heater, heats the water 8 in water tank 7.The disturbance of temperature control system of the present utility model is that this disturbance feeds back in controller 1 and pulse signal generator 2 after extracting voltage signal and current signal by sensor 6 and compensates caused by the resistance conversion of added voltage and electric heater.
In the present embodiment, pulse signal generator 2 is made up of pulse control module 22 and pulse signal generation module 21, as shown in Figure 3.As shown in Figure 4, pulse signal generation module 21 comprises period register 211, period counter 212, ON time register 213, ON time counter 214, load steering logic module 215 and signal steering logic module 216, the signal output part of pulse control module 22 is connected with the signal input part of period register 211 and the signal input part of ON time register 213 respectively, the signal output part of period register 211 is connected with the signal input part of period counter 212 and the signal input part of signal steering logic module 216 respectively, the signal output part of ON time register 213 is connected with the signal input part of ON time counter 214 and the signal input part of signal steering logic module 216 respectively, the signal output part of period counter 212 is connected with load steering logic module 215 and signal steering logic module 216 respectively, the signal output part of ON time counter 214 is connected with signal steering logic module 216
In the present embodiment, period counter 212, ON time counter 214, load steering logic module 215 and signal steering logic module 216 are provided with set end and clock signal input terminal, period counter 212, ON time counter 214, load steering logic module 215 is connected with the set end of signal steering logic module 216 and accesses asserts signal LD, ON time counter 214, load steering logic module 215 is connected with the clock signal input terminal of signal steering logic module 216 and incoming clock signal CLK, the output signal of period counter 212 is designated as DA, the output signal of period register 211 is designated as DB, the output signal of ON time register 213 is designated as DC, the output signal of ON time counter 214 is designated as DD.
As shown in Figure 5, in pulse signal generation module 21, the cycle of a pwm signal is set in period register 211, the ON time of a pwm signal is set in ON time register 213, at the negative edge of LD signal, periodic quantity in period register 211 is loaded in period counter 212 further, and the ON time value in ON time register 213 is loaded in ON time counter 214 further.Period counter 212 and ON time counter 214 are counters of countdown, and both are synchronous by clock signal clk.When period counter 212 be counted as zero time, in load steering logic module 215, an asserts signal LD (pulse signal) produces along with clock signal clk, and starts new cycle at the negative edge of this asserts signal LD.Signal steering logic module 216 adopts output signal DB, the output signal DC of ON time register 213 of the output signal DA of period counter 212, period register 211, output signal DD, the asserts signal LD of ON time counter 214 and clock signal clk to produce pwm signal.In signal steering logic module 216, if DC is equal to or greater than DB, namely the setting value of ON time register is the setting value being equal to or greater than period register, so at the negative edge of asserts signal LD by the pwm signal of generation high level signal or 100% dutycycle; And when DC is set to 0, produce along by generation low level signal in the decline of asserts signal LD, i.e. the pwm signal of dutycycle of 0%; If DC is between 0 and DB, so at the rising edge of this asserts signal LD, the output of pwm signal is the output of a "AND" logic, this "AND" logic has two Puled input, and these two Puled input are respectively in the output valve of period counter 212 and ON time counter 214, namely DA and DB produces when DC is greater than 0.The signal timing diagram of pulse signal generation module 21 as shown in Figure 5.Signal when DC value is between 0 and DB has been shown in Fig. 5.At a moment t
1, at a negative edge of LD signal, the value of cycle and ON time is loaded into period counter 212 and ON time counter 214 respectively.After the half period of clock signal clk, in signal steering logic module 216, the rising edge of clock signal clk is at a moment t
2trigger a pwm pulse, this pulse is at a moment t
3terminated by the next rising edge of clock signal.Current PWM terminated before triggering before another pwm pulse, and its dutycycle is from moment t
2to moment t
3time with from moment t
2to moment t
4cycle between ratio.
As shown in Figure 6, in the present embodiment, pulse control module 22 comprises value of feedback computing module 221, first order dutycycle decision module 222, first order cycle decision module 223, desired value computing module 224, comparer 225, second level cycle decision module 226 and second level ON time computing module 227, the signal input part of value of feedback computing module 221 is connected with the signal output part of the signal output part of sensor 6 and output transducer 5, the signal input part of first order dutycycle decision module 222, the signal input part of first order cycle decision module 223 is connected with the signal output part of controller 1 respectively with the signal input part of second level cycle decision module 226, the signal output part of first order dutycycle decision module 222 is connected with the signal input part of desired value computing module 224 respectively with the signal output part of first order cycle decision module 223, the signal output part of desired value computing module 224 is connected with the signal input part of comparer 225 respectively with the signal output part of value of feedback computing module 221, the signal output part of comparer 225 is connected with the signal input part of second level ON time computing module 227.
Embodiment two: as shown in Figure 7, a kind of temperature control system, comprise controller 1, pulse signal generator 2, driver 3, heating arrangement 4 and output transducer 5, controller 1 is PID controller, driver 3 is ON-OFF control circuit, heating arrangement 4 is electric heater, output transducer 5 is temperature sensor, controller 1 is connected with pulse signal generator 2, driver 3 is connected with heating arrangement 4, pulse signal generator 2 is provided with PDM control signal output terminal, the PDM control signal output terminal of pulse signal generator 2 is connected with driver 3, the sensor 6 of voltage signal for extracting heating arrangement 4 and current signal is provided with between pulse signal generator 2 and heating arrangement 4, sensor 6 is connected with heating arrangement 4 and pulse signal generator 2 respectively.
In the present embodiment, pulse signal generator 2 is made up of pulse control module 22 and pulse signal generation module 21, as shown in Figure 8.As shown in Figure 9, pulse signal generation module 21 comprises period register 211, period counter 212, ON time register 213, ON time counter 214, load steering logic module 215, signal steering logic module 216, the length of one's sleep register 217, the length of one's sleep counter 218 and clock control logic module 219, the signal output part of pulse control module 22 respectively with the signal input part of period register 211, the signal input part of ON time register 214 is connected with the signal input part of register 217 length of one's sleep, the signal output part of period register 211 is connected with the signal input part of period counter 212 and the signal input part of signal steering logic module 216 respectively, the signal output part of ON time register 213 is connected with the signal input part of ON time counter 214 and the signal input part of signal steering logic module 216 respectively, the length of one's sleep register 217 signal output part with the length of one's sleep counter 218 signal input part be connected, the signal output part of period counter 212 is connected with load steering logic module 215 and signal steering logic module 216 respectively, the signal output part of ON time counter 214 is connected with signal steering logic module 216, the length of one's sleep, the signal output part of counter 218 was connected with clock control logic module 219.
In the present embodiment, period counter 212, ON time counter 214, load steering logic module 215, signal steering logic module 216 and the length of one's sleep counter 218 be provided with set end, clock control logic module 219 is respectively arranged with clock signal input terminal and clock control signal output terminal, period counter 212 and ON time counter 214 are provided with clock control signal input end, load steering logic module 215 and signal steering logic module 216 are provided with clock signal input terminal, period counter 212, ON time counter 214, load steering logic module 215, signal steering logic module 216 is connected with the set end of counter 218 length of one's sleep and accesses asserts signal LD, load steering logic module 215, signal steering logic module 216 is connected with the clock signal input terminal of clock control logic module 219 and incoming clock signal CLK, the clock control signal output terminal of clock control logic module 219 is connected with the clock control signal input end of period counter 212 and ON time counter 214 respectively, the clock control signal output terminal output clock control signal CLKctrl of clock control logic module 219, the output signal of period counter 212 is designated as DA, the output signal of period register 211 is designated as DB, the output signal of ON time register 213 is designated as DC, the output signal of ON time counter 214 is designated as DD.
In the present embodiment, period counter 212, the length of one's sleep counter 218 and ON time counter 214 be down counter, the length of one's sleep, the minimum of counter 218 was clamped at 0, in pulse signal generation module 21, the cycle of a PDM signal is set in period register 211, the ON time of a PDM signal is set in ON time register 213, when controlling the length of one's sleep, first the length of one's sleep in a PDM cycle is kept in register 217 length of one's sleep, then at the negative edge of asserts signal LD, the value of the length of one's sleep to be loaded in counter 218 length of one's sleep and to successively decrease along with clock signal clk, when when he falls asleep, the count value of counter 218 reaches 0, clock control logic module 219 produces the enable period counter 212 of clock control signal CLKctrl and ON time counter 214, start a PDM cycle.At the negative edge of asserts signal LD, the periodic quantity in period register 211 is loaded in period counter 212 further, and the ON time value in ON time register 213 is loaded in ON time counter 214 further.It is synchronous that period counter 212 and ON time counter 214 pass through clock control signal CLKctrl.When period counter 212 be counted as zero time, in load steering logic module 215, an asserts signal LD (pulse signal) produces along with clock signal clk, and starts new cycle at the negative edge of this asserts signal LD.Signal steering logic module 216 adopts the output signal DC of the output signal DB of the output signal DA of period counter 212, period register 211, ON time register 213, output signal DD, the asserts signal LD of ON time counter 214 and clock signal clk to produce PDM signal.
As shown in Figure 10, in the present embodiment, pulse control module 22 comprises value of feedback computing module 221, first order dutycycle decision module 222, first order cycle decision module 223, desired value computing module 224, comparer 225, second level cycle decision module 226 and second level ON time computing module 227, the signal input part of value of feedback computing module 221 is connected with the signal output part of the signal output part of sensor 6 and output transducer 5, the signal input part of first order dutycycle decision module 222, the signal input part of first order cycle decision module 223 is connected with the signal output part of controller 1 respectively with the signal input part of second level cycle decision module 226, the signal output part of first order dutycycle decision module 222 is connected with the signal input part of desired value computing module 224 respectively with the signal output part of first order cycle decision module 223, the signal output part of desired value computing module 224 is connected with the signal input part of comparer 225 respectively with the signal output part of value of feedback computing module 221, the signal output part of comparer 225 is connected with the signal input part of second level ON time computing module 227.
Claims (8)
1. a temperature control system, comprise controller, pulse signal generator, driver, heating arrangement and output transducer, described controller is connected with described pulse signal generator, described driver is connected with described heating arrangement, described pulse signal generator is connected with described driver, it is characterized in that between described pulse signal generator and described heating arrangement, being provided with the sensor for the voltage signal and current signal extracting described heating arrangement, described sensor is connected with described heating arrangement and described pulse signal generator respectively.
2. a kind of temperature control system according to claim 1, is characterized in that described pulse signal generator is provided with pwm control signal output terminal, and the pwm control signal output terminal of described pulse signal generator is connected with described driver.
3. a kind of temperature control system according to claim 2, it is characterized in that described pulse signal generator is made up of pulse control module and pulse signal generation module, described pulse signal generation module comprises period register, period counter, ON time register, ON time counter, load steering logic module and signal steering logic module, the signal output part of described pulse control module is connected with the signal input part of described period register and the signal input part of described ON time register respectively, the signal output part of described period register is connected with the signal input part of described period counter and the signal input part of described signal steering logic module respectively, the signal output part of described ON time register is connected with the signal input part of described ON time counter and the signal input part of described signal steering logic module respectively, the signal output part of described period counter respectively with described load steering logic module and described signal steering logic model calling, the signal output part of described ON time counter and described signal steering logic model calling.
4. a kind of temperature control system according to claim 3, it is characterized in that described pulse control module comprises value of feedback computing module, first order dutycycle decision module, first order cycle decision module, desired value computing module, comparer, second level cycle decision module and second level ON time computing module, the signal input part of described value of feedback computing module is connected with the signal output part of the signal output part of described sensor and described output transducer, the signal input part of described first order dutycycle decision module, the signal input part of described first order cycle decision module is connected with the signal output part of described controller respectively with the signal input part of described second level cycle decision module, the signal output part of described first order dutycycle decision module is connected with the signal input part of described desired value computing module respectively with the signal output part of described first order cycle decision module, the signal output part of described desired value computing module is connected with the signal input part of described comparer respectively with the signal output part of described value of feedback computing module, the signal output part of described comparer is connected with the signal input part of described second level ON time computing module.
5. a kind of temperature control system according to claim 1, is characterized in that described pulse signal generator is provided with PDM control signal output terminal, and the PDM control signal output terminal of described pulse signal generator is connected with described driver.
6. a kind of temperature control system according to claim 5, it is characterized in that described pulse signal generator is made up of pulse control module and pulse signal generation module, described pulse signal generation module comprises period register, period counter, ON time register, ON time counter, the length of one's sleep register, the length of one's sleep counter, clock control logic module, load steering logic module and signal steering logic module, the signal output part of described pulse control module respectively with the signal input part of described period register, the signal input part of described ON time register is connected with the signal input part of register described length of one's sleep, the signal output part of described period register is connected with the signal input part of described period counter and the signal input part of described signal steering logic module respectively, the signal output part of described ON time register is connected with the signal input part of described ON time counter and described signal steering logic module respectively, described length of one's sleep register signal output part with described length of one's sleep counter signal input part be connected, the signal output part of described period counter respectively with described load steering logic module and described signal steering logic model calling, the signal output part of described ON time counter and described signal steering logic model calling, described length of one's sleep counter signal output part and described clock control logic model calling.
7. a kind of temperature control system according to claim 6, it is characterized in that described pulse control module comprises value of feedback computing module, first order dutycycle decision module, first order cycle decision module, desired value computing module, comparer, second level cycle decision module and second level ON time computing module, the signal input part of described value of feedback computing module is connected with the signal output part of the signal output part of described sensor and described output transducer, the signal input part of described first order dutycycle decision module, the signal input part of described first order cycle decision module is connected with the signal output part of described controller respectively with the signal input part of described second level cycle decision module, the signal output part of described first order dutycycle decision module is connected with the signal input part of described desired value computing module respectively with the signal output part of described first order cycle decision module, the signal output part of described desired value computing module is connected with the signal input part of described comparer respectively with the signal output part of described value of feedback computing module, the signal output part of described comparer is connected with the signal input part of described second level ON time computing module.
8. a kind of temperature control system according to claim 1, it is characterized in that described controller is PID controller, described driver is ON-OFF control circuit, and described heating arrangement is electric heater.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/566,994 | 2012-08-03 | ||
| US13/566,994 US8754720B2 (en) | 2011-08-03 | 2012-08-03 | Two-stage pulse signal controller |
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| CN103543766A CN103543766A (en) | 2014-01-29 |
| CN103543766B true CN103543766B (en) | 2015-11-04 |
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| CN201320390125.0U Withdrawn - After Issue CN203502854U (en) | 2012-08-03 | 2013-07-01 | Temperature control system |
| CN201310276607.8A Active CN103543757B (en) | 2012-08-03 | 2013-07-01 | A kind of flow control system |
| CN201310276606.3A Active CN103543766B (en) | 2012-08-03 | 2013-07-01 | A kind of temperature control system |
| CN201320390909.3U Withdrawn - After Issue CN203502836U (en) | 2012-08-03 | 2013-07-01 | Flow control system |
| CN201320390163.6U Withdrawn - After Issue CN203502835U (en) | 2012-08-03 | 2013-07-01 | Flow control system |
| CN201310274581.3A Active CN103558872B (en) | 2012-08-03 | 2013-07-01 | A kind of flow control system |
| CN201320390906.XU Withdrawn - After Issue CN203502855U (en) | 2012-08-03 | 2013-07-01 | Temperature control system |
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| CN201310276607.8A Active CN103543757B (en) | 2012-08-03 | 2013-07-01 | A kind of flow control system |
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| CN201320390163.6U Withdrawn - After Issue CN203502835U (en) | 2012-08-03 | 2013-07-01 | Flow control system |
| CN201310274581.3A Active CN103558872B (en) | 2012-08-03 | 2013-07-01 | A kind of flow control system |
| CN201320390906.XU Withdrawn - After Issue CN203502855U (en) | 2012-08-03 | 2013-07-01 | Temperature control system |
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| CN203502854U (en) * | 2012-08-03 | 2014-03-26 | 宁波保税区楷世环保科技有限公司 | Temperature control system |
| CN104142695A (en) * | 2014-07-02 | 2014-11-12 | 苏州宏瑞净化科技有限公司 | Converging type air flow control device |
| TWI630846B (en) * | 2014-08-21 | 2018-07-21 | 三緯國際立體列印科技股份有限公司 | Heating control apparatus and control method thereof |
| FR3026262B1 (en) * | 2014-09-23 | 2019-04-05 | Valeo Systemes Thermiques | ELECTRIC FLUID HEATING DEVICE FOR A MOTOR VEHICLE AND METHOD FOR CONTROLLING THE SAME |
| CN104924470B (en) * | 2015-06-05 | 2017-04-05 | 江苏塞维斯数控科技有限公司 | A kind of multi-line cutting machine mortar nozzle |
| CN105676690B (en) * | 2016-01-11 | 2018-06-19 | 浙江大学 | A kind of solenoid valve intelligence control system and its method based on voltage PWM |
| CN105910882A (en) * | 2016-05-24 | 2016-08-31 | 苏州品诺维新医疗科技有限公司 | Heating device and blood coagulation analysis system |
| CN105842306B (en) * | 2016-05-20 | 2018-07-17 | 南京信息工程大学 | A kind of water content measuring device and measuring method |
| CN106774463B (en) * | 2016-11-28 | 2020-03-31 | 中节能天融科技有限公司 | High-precision gas flow control system and method |
| CN109541937A (en) * | 2018-12-14 | 2019-03-29 | 汕头市东方科技有限公司 | A kind of pulse-control system and control method of relay |
| CN118092547B (en) * | 2024-04-23 | 2024-08-30 | 北京智芯微电子科技有限公司 | Electrostatic chuck heating control device and electrostatic chuck |
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- 2013-07-01 CN CN201310276607.8A patent/CN103543757B/en active Active
- 2013-07-01 CN CN201310276606.3A patent/CN103543766B/en active Active
- 2013-07-01 CN CN201320390909.3U patent/CN203502836U/en not_active Withdrawn - After Issue
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- 2013-07-01 CN CN201310274581.3A patent/CN103558872B/en active Active
- 2013-07-01 CN CN201320390906.XU patent/CN203502855U/en not_active Withdrawn - After Issue
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| CN201004189Y (en) * | 2007-01-29 | 2008-01-09 | 湖南工业职业技术学院 | Quick temperature increase environment protection wave peak welding control device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103558872B (en) | 2016-01-27 |
| CN203502836U (en) | 2014-03-26 |
| CN203502835U (en) | 2014-03-26 |
| CN103543757B (en) | 2016-01-27 |
| CN203502854U (en) | 2014-03-26 |
| CN103543766A (en) | 2014-01-29 |
| CN203502855U (en) | 2014-03-26 |
| CN103558872A (en) | 2014-02-05 |
| CN103543757A (en) | 2014-01-29 |
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Address after: 315800 room 4b-8, building 4, No.7 Chuangye Avenue, West Free Trade Zone, Ningbo City, Zhejiang Province Patentee after: Ningbo Kaishi Environmental Protection Technology Co., Ltd Address before: 4 No. 7, No. 315800, Pioneer Road, Ningbo Free Trade Zone, Zhejiang, 202-2 Patentee before: Ningbo Bonded district Kai Shi Environmental Protection Technology Co., Ltd |