CN106817780A - Temperature-control circuit and electric heating equipment - Google Patents
Temperature-control circuit and electric heating equipment Download PDFInfo
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- CN106817780A CN106817780A CN201710034824.4A CN201710034824A CN106817780A CN 106817780 A CN106817780 A CN 106817780A CN 201710034824 A CN201710034824 A CN 201710034824A CN 106817780 A CN106817780 A CN 106817780A
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- temperature
- heating
- control circuit
- silicon
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/023—Industrial applications
- H05B1/0244—Heating of fluids
Abstract
The invention discloses a kind of temperature-control circuit and electric heating equipment, electric heating equipment includes inner bag, inner bag offers chamber, temperature-control circuit is used for electric heating equipment, temperature-control circuit includes heating, silicon-controlled device, detection module and control module, the heating is arranged on the bottom of the inner bag, the silicon-controlled device is connected with the heating, the detection module is used to detect the actual temperature of the chamber, the control module is used to judge the actual temperature of the chamber with the relation of target temperature so that the silicon-controlled device controls the heating to close, or the silicon-controlled device is adjusted the heating power of the heating.In the temperature-control circuit of embodiment of the present invention, control module can be adjusted using silicon-controlled device to the heating power of heating, realize chamber actual temperature it is stepless adjustable, and then can avoid heating occur heating overtemperature phenomenon, it is ensured that the service life of heating.
Description
Technical field
The present invention relates to electric-heating technology field, more particularly, to a kind of temperature-control circuit and electric heating equipment.
Background technology
In the electric heating equipment of correlation technique, it is common to use heating wire is heated as heating to water, electric heating
During the bottom of the evaporating pan that silk is arranged in electric heating equipment, easy skewness, so that the heating of heating is uneven
It is even, and easily there is the phenomenon of hot-spot, easily cause heating and the phenomenon for heating overtemperature easily occur, have impact on electricity
The service life of thermal element.
The content of the invention
It is contemplated that at least solving one of technical problem present in correlation technique.Therefore, the present invention needs offer one
Plant temperature-control circuit and electric heating equipment.
The temperature-control circuit of embodiment of the present invention, for electric heating equipment, the electric heating equipment includes inner bag, institute
State inner bag and offer chamber, the temperature-control circuit includes heating, silicon-controlled device, detection module and control module,
The heating is arranged on the bottom of the inner bag, and the silicon-controlled device is connected with the heating, the detection mould
Block is used to detect the actual temperature of the chamber, and the control module is used to judge the actual temperature and target temperature of the chamber
Relation so that the silicon-controlled device controls the heating to close, or the silicon-controlled device is adjusted the electric heating unit
The heating power of part.
In the temperature-control circuit of embodiment of the present invention, control module can be using silicon-controlled device to heating
Heating power is adjusted, realize chamber actual temperature it is stepless adjustable, and then it is super that heating can be avoided heating occur
The phenomenon of temperature, it is ensured that the service life of heating.
In one embodiment, the temperature-control circuit includes resistance, and the resistance is connected to the heating
One end and the output end of the control module between.
In one embodiment, the temperature-control circuit includes input module, and the input module is used to receive to be used
Family instructs, and the control module is used to set the target temperature according to the user instruction, allows temperature deviation value and heating
Preset Time, the absolute value of the difference between the target temperature and the actual temperature is more than the permission temperature deviation value
When, the control module is used to make the silicon-controlled device control the heating to be heated with the first heating power,
When the absolute value of the difference between the target temperature and the actual temperature is less than or equal to the permission temperature deviation value, institute
Control module is stated for making the silicon-controlled device control the heating to be heated with the second heating power, described second
Heating power is less than first heating power, when the working time of the heating is default more than or equal to the heating
Between when, the control module is used to make the silicon-controlled device control the heating to close.
In one embodiment, the detection module include temperature sensor, the temperature-control circuit include amplify/
Filter circuit and analog to digital conversion circuit, the amplification/filter circuit are used for the temperature signal for exporting the temperature sensor
It is amplified and filters, analog-digital conversion circuit as described is used to digitize and amplifies and the filtered temperature signal, the control
Molding block is used to obtain actual temperature of the temperature signal after digitlization to obtain the chamber.
In one embodiment, the control module includes pid control module, and the pid control module is used for institute
The difference stated between the actual temperature of chamber and the target temperature is made as the first input quantity and with the rate of change of the difference
It is the second input quantity, and the angle of flow of the silicon-controlled device is controlled based on fuzzy PID algorithm, so that the silicon-controlled device control
Make the heating power of the heating and control the heating to close.
In one embodiment, the temperature-control circuit includes photoelectrical coupler, and the photoelectrical coupler is connected to
Between the output end of the control module and the silicon-controlled device.
In one embodiment, the heating is rare earth thick film element.
The electric heating equipment of embodiment of the present invention includes temperature-control circuit as above described in any embodiment.
In the electric heating equipment of embodiment of the present invention, control module can be added using silicon-controlled device to heating
Thermal power is adjusted, realize chamber actual temperature it is stepless adjustable, and then can avoid heating occur heating overtemperature
Phenomenon, it is ensured that the service life of heating.
In one embodiment, the electric heating equipment includes steam generating system, and the steam generating system includes
Evaporating pan, the evaporating pan is arranged on the bottom of the chamber, and the heating is arranged on the outer bottom of the evaporating pan.
In one embodiment, the electric heating equipment includes display screen, and the temperature-control circuit is described for making
Display screen shows the actual temperature of the target temperature and the chamber.
The additional aspect and advantage of embodiment of the present invention will be set forth in part in the description, partly by from following
Become obvious in description, or recognized by practice of the invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to implementation method is combined
Obtain substantially and be readily appreciated that, wherein：
Fig. 1 is the module diagram of the temperature-control circuit of embodiment of the present invention.
Fig. 2 is the partial circuit schematic diagram of the temperature-control circuit of embodiment of the present invention.
Fig. 3 is the module diagram of the control module of the temperature-control circuit of embodiment of the present invention.
Fig. 4 is the schematic flow sheet of the method for heating and controlling of the temperature-control circuit of embodiment of the present invention.
Fig. 5 is the structural representation of the heating of the temperature-control circuit of embodiment of the present invention.
Fig. 6 is the schematic perspective view of the electric heating equipment of embodiment of the present invention.
Fig. 7 is another schematic perspective view of the electric heating equipment of embodiment of the present invention.
Main element symbol description：
Electric heating equipment 100；
Temperature-control circuit 10, heating 11, resistance 111, substrate 112, heat-conducting layer 113, heating circuit layer 114, the
One resistance circuit 115, second resistance circuit 116, silicon-controlled device 12, detection module 13, control module 14, pid control module
141st, fuzzy reasoning module 142, PID controller 143, input module 15, amplification/filter circuit 16, analog to digital conversion circuit 161,
Photoelectrical coupler 17, power supply 18；
Inner bag 20, chamber 21, steam generating system 30, evaporating pan 31, water pump 32, water tank 33, display screen 40.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the implementation method is shown in the drawings, wherein ad initio
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The implementation method for examining Description of Drawings is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention is described with simplified, must have specific orientation, Yi Te rather than the device or element for indicating or imply meaning
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.Additionally, term " first ", " second " are only used for
Description purpose, and it is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.
Thus, " first " is defined, one or more feature can be expressed or be implicitly included to the feature of " second ".
In description of the invention, " multiple " is meant that two or more, unless otherwise expressly limited specifically.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected.Can
Being to mechanically connect, or electrically connect.Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals or two interaction relationships of element.For the ordinary skill in the art, can be with
Above-mentioned term concrete meaning in the present invention is understood as the case may be.
Also referring to Fig. 1~Fig. 7, the temperature-control circuit 10 of embodiment of the present invention is used for electric heating equipment 100.Electricity
Firing equipment 100 includes inner bag 20.Inner bag 20 offers chamber 21.Temperature-control circuit 10 includes heating 11, controllable silicon
Device 12, detection module 13 and control module 14.Heating 11 is arranged on the bottom of inner bag 20.Silicon-controlled device 12 and electric heating
Element 11 is connected.Detection module 13 is used for the actual temperature t2 of detection chambers 21.Control module 13 is used to judge the reality of chamber 21
The relation of border temperature t2 and target temperature t1 is so that the control heating 11 of silicon-controlled device 12 is closed, or makes silicon-controlled device 12
Adjust the heating power of heating 11.
In the temperature-control circuit 10 of embodiment of the present invention, control module 14 can be using silicon-controlled device 12 to electric heating
The heating power of element 11 is adjusted, realize chamber 21 actual temperature t2 it is stepless adjustable, and then can avoid electric heating unit
There is the phenomenon of heating overtemperature in part 11, it is ensured that the service life of heating 11.
In the present example, silicon-controlled device 30 is bidirectional triode thyristor device.In this way, control is more accurate.
In one embodiment, temperature-control circuit 10 includes resistance 111.Resistance 111 is connected to heating 11
Between the output end of one end and control module 14.
In this way, the setting of resistance 111 has protective effect to silicon-controlled device 12 and heating 11, temperature control can be prevented
The virtual value of the electric current of circuit processed 10 is excessive and burns out silicon-controlled device 12 and heating 11.In the present example, temperature
Control circuit 10 is powered by power supply 18.
In one embodiment, temperature-control circuit 10 includes input module 15.Input module 15 is used to receive user
Instruction.Control module 14 is used to set target temperature t1 according to user instruction, allows temperature deviation value e1 and heating Preset Time
m1.When the absolute value of the difference e 2 between target temperature t1 and actual temperature t2 is more than temperature deviation value e1 is allowed.Control mould
Block 14 is used to make silicon-controlled device 12 control heating 11 to be heated with the first heating power.In target temperature t1 and reality
When the absolute value of the difference e 2 between temperature t2 is less than or equal to temperature deviation value e1 is allowed, control module 14 is used to make controllable silicon
The control heating 11 of device 12 is heated with the second heating power.Second heating power is less than the first heating power.In electricity
When the working time of thermal element 11 is more than or equal to heating Preset Time m1, control module 14 is used to control silicon-controlled device 12
Heating 11 is closed.
In this way, user can be configured to heating Preset Time m1 and target temperature t1 as the case may be, so improve
The operability of the operation of temperature-control circuit 10.
Specifically, when the difference e 2 between target temperature t1 and actual temperature t2 is larger, control module 14 is used for that make can
The control control heating 11 of silicon device 12 is heated with the first larger heating power, can so be realized with the quick time
Reduce the difference e 2 between actual temperature t2 and target temperature t1.Equally, the actual temperature t2 and target temperature in chamber 21
When difference e 2 between t1 is smaller, control module 14 is used to make silicon-controlled device 12 control heating 11 with the second heating power
Heated, can so prevent actual temperature t2 from exceeding target temperature t1, it is ensured that the stability of the heating of heating 11.It is so warm
The degree control reliability of operation of circuit 10 is also improved.
In the present example, input module 15 includes the button (not shown) being connected with temperature-control circuit 10.It is defeated
Enter component 15 and user instruction is received by button.
In one embodiment, detection module 13 includes temperature sensor.Temperature-control circuit 10 includes amplifying/filtering
Circuit 16 and analog to digital conversion circuit 161.Amplification/filter circuit 16 is used to be put the temperature signal that temperature sensor is exported
Big and filtering.Analog to digital conversion circuit 161 is used to digitize and amplifies and filtered temperature signal.Control module 14 is used to obtain
Temperature signal after digitlization is obtaining the actual temperature t2 of chamber 21.
In this way, temperature signal can be strengthened, and interference can be eliminated, to ensure the degree of accuracy of signal transmission.
In one embodiment, control module 14 includes pid control module 141.Pid control module 141 is used for chamber
Difference e 2 between the actual temperature t2 and target temperature t1 of room 21 is made as the first input quantity and with the rate of change ec of difference e 2
It is the second input quantity, and the angle of flow of silicon-controlled device 12 is controlled based on fuzzy PID algorithm, so that silicon-controlled device 12 controls electricity
The heating power and control heating 11 of thermal element 11 are closed.
In this way, temperature-control circuit 10 realizes that the virtual value of the electric current to heating 11 is big by pid control module 141
It is small to automatically control to realize that the adjust automatically to the heating power of heating 11 is controlled, while the first input quantity and second defeated
Entering the setting of amount can ensure the degree of accuracy of the angle of flow based on fuzzy PID algorithm control silicon-controlled device 12.
Specifically, when the difference e 2 between the actual temperature t2 and target temperature t1 in chamber 21 is larger, PID control mould
Block 141 using the rate of change ec of difference e 2 and difference e 2 as input quantity, and after carrying out fuzzy PID algorithm computing, can be by regulation
The angle of flow of silicon-controlled device 12 suitably increases heating power to control heating 11 such that it is able to realized with the quick time
Reduce the difference e 2 between actual temperature t2 and target temperature t1.Equally, in the actual temperature t2 and target temperature t1 of chamber 21
Between difference e 2 it is smaller when, pid control module 141 is carried out using the rate of change ec of difference e 2 and difference e 2 as input quantity
After fuzzy PID algorithm computing, heating 11 can be controlled suitably to reduce heating by adjusting the angle of flow of silicon-controlled device 12
Power, so as to prevent actual temperature t2 from exceeding target temperature t1, it is ensured that the stability of the heating of heating 11.Which enhance temperature
The degree control reliability of operation of circuit 10.
In the present example, difference e 2=t1-t2, the rate of change of difference e 2Pid control module 141 includes
Fuzzy reasoning module 142 and PID controller 143, the connection PID controller 143 of fuzzy reasoning module 142, PID controller 143 connect
Connect silicon-controlled device 12.Wherein, fuzzy reasoning module 142 using the rate of change ec of difference e 2 and difference e 2 as input quantity, control by PID
Device processed 143 equally can be using the rate of change ec of difference e 2 and difference e 2 as input quantity.So fuzzy reasoning module 142 is controlled with PID
The combination of device processed 143 can realize further optimal control, so that the signal for ensureing to be exported by PID controller 143 is accurate
Degree.
In one embodiment, temperature-control circuit 10 includes photoelectrical coupler 17.Photoelectrical coupler 17 is connected to control
Between the output end and silicon-controlled device 12 of molding block 141.
In this way, the accuracy of the control of the angle of flow to silicon-controlled device 12 can be improved using photoelectrical coupler 17.
In one embodiment, heating 11 is rare earth thick film element.
In this way, under the conditions of equal heat-conducting area, heating 11 has bigger surface thermal load, while electric heating is first
The heat transfer efficiency of part 20 is higher, and more energy-conservation.
It should be noted that in some embodiments, heating 11 is rare earth thick film element, for example, rare earth thick film
The material of element includes rare earth oxide material, for example, Fig. 5 please be joined, in the present example, heating 11 includes heat conduction
Substrate 112, the heat-conducting layer 113 of insulation and heating circuit layer 114.The connecting substrate 112 of heat-conducting layer 113 and heating circuit layer 114.Hair
Heater circuit layer 114 includes multiple first resistor circuits 115 in arc-shaped and multiple linearly second resistance circuits 116.
Multiple first resistor circuits 115 are around multiple second resistance circuits 116.Multiple first resistor circuits 115 and multiple second resistances
The interval setting of circuit 116.The material of heat-conducting layer 113 includes rare earth oxide material, and the material of heating circuit layer 114 includes rare earth
Oxide material.In this way, the resistance circuit distribution of heating circuit layer 114 is more uniform, the sky of heat-conducting layer 113 can be made full use of
Between, the heating of such heating 11 is more uniform, can be prevented effectively from heating 11 and the phenomenon of hot-spot occurs, so as to protect
The service life of heating 11 is demonstrate,proved.
In the present example, temperature-control circuit 10 is used to, when controlling electric heating equipment 100 to work, implement following step
Suddenly：
Step one：Setting heating Preset Time m1, target temperature t1 and permission temperature deviation value e1, and make controllable silicon device
The control heating 11 of part 12 begins to warm up and carries out timing to heat time m2；
Step 2：Using temperature sensor detection chambers 21 actual temperature t2 and judge the actual temperature t2 in chamber 21
Temperature deviation value e1 is allowed with whether the absolute value of the difference e 2 between target temperature t1 is less than or equal to, if going to step
Three, step 4 is gone to if not；Step 3：Judge whether heat time m2 is equal to heating Preset Time m1, if going to step 5,
Step 6 is gone to if not；
Step 4：Make silicon-controlled device 12 control heating 11 to continue to heat, and go to step 2；
Step 5：Silicon-controlled device 12 is set to control heating 11 to stop heating (closing)；
Step 6：Make silicon-controlled device 12 control heating 11 continue heat with keep difference e 2 absolute value be less than or
Equal to permission temperature deviation value e1, and go to step 3.
In this way, being adjusted to the heating power of heating 11 using silicon-controlled device 12, chamber 21 is realized
Actual temperature t2's is stepless adjustable, and then the control accuracy that can avoid frequently opening and closing heating 11 and bring is poor and electric heating unit
The life-span of part 11 low problem.
Specifically, in embodiments of the present invention, in step 6, continue in the control heating 11 of silicon-controlled device 12
Heat to keep the absolute value of difference e 2 less than or equal to temperature deviation value e1 is allowed, heating 11 is in certain power work
Make, so that electric heating equipment 100 enters insulation.And when the actual temperature t2 of chamber 21 is less than the lower limit for setting, temperature
Control circuit 10 can control heating 11 to improve power continuation heating again.So circulation, work is reached in electric heating equipment 100
After the heating Preset Time m1 of work, the control heating 11 of silicon-controlled device 12 is set to stop heating.
Also referring to Fig. 6~Fig. 7, the electric heating equipment 100 of embodiment of the present invention includes as above any embodiment
Described temperature-control circuit 10.
In the electric heating equipment 100 of embodiment of the present invention, control module 14 can be using silicon-controlled device 12 to electric heating
The heating power of element 11 is adjusted, realize chamber 21 actual temperature t2 it is stepless adjustable, and then can avoid electric heating unit
There is the phenomenon of heating overtemperature in part 11, it is ensured that the service life of heating 11.
In the present example, electric heating equipment 100 is electric steam furnace.
In one embodiment, electric heating equipment 100 includes steam generating system 30.Steam generating system 30 includes steaming
Quotation 31.Evaporating pan 31 is arranged on the bottom of chamber 21.Heating 11 is arranged on the outer bottom of evaporating pan 31.
In this way, when heating 11 works, heating 11 enables to the water in evaporating pan 31 to accelerate to be vaporized into steam,
And cause that inner bag 20 is heated and heats up, and effective control can be carried out to this process via temperature-control circuit 10.
In one embodiment, electric heating equipment 100 includes display screen 40.Temperature-control circuit 10 is used to make display screen
The actual temperature t2 of 40 display target temperature t1 and chamber 21.
In this way, display screen 40 can improve the visuality of the operation of temperature-control circuit 10, so as to facilitate user, and user is improved
Experience.
In the present example, steam generating system 30 also includes water pump 32 and water tank 33.Water pump 32 connect water tank 33 and
Evaporating pan 31.The concave shape of evaporating pan 31.Temperature sensor is provided with chamber 21.
When electric heating equipment 100 works, temperature-control circuit 10 can control water pump 32 and introduce the water in water tank 33 and steams
In quotation 31, the control heating 11 of temperature-control circuit 10 produces heat, the heat conduction that then heating 11 will be produced
Water to evaporating pan 31, makes water be heated into high-temperature steam, then high-temperature steam diffusion in inner bag 20, so that chamber 21
Actual temperature t2 gradually lifted, then the actual temperature t2 signals of chamber 21 are converted into corresponding telecommunications by temperature sensor
Number, and temperature-control circuit 10 is fed back to, then temperature-control circuit 10 is controlled to the actual temperature t2 of chamber 21.
The absolute value of the difference e 2 between the actual temperature t2 and target temperature t1 of chamber 21 is warm less than or equal to allowing
During degree deviation e1, temperature-control circuit 10 controls heating 11 to be worked in certain power, so that electric heating equipment 100 enters
Enter insulation, when the actual temperature t2 of chamber 21 is less than the lower limit for setting, temperature-control circuit 10 can control electric heating unit again
Part 11 improves power to be continued to heat.So circulation, after the heating Preset Time m1 that electric heating equipment 100 reaches work, temperature
Control circuit 10 can control heating 11 to stop heating (closing).
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
The first and second feature directly contacts can be included, it is also possible to including the first and second features be not directly contact but by it
Between other characterisation contact.And, fisrt feature second feature " on ", " top " and " above " include that first is special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Following disclosure provides many different implementation methods or example is used for realizing different structure of the invention.In order to
Simplify disclosure of the invention, hereinafter the part and setting to specific examples are described.Certainly, they are only merely illustrative, and
And purpose does not lie in the limitation present invention.Additionally, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, between discussed various implementation methods itself not being indicated and/or being set
Relation.Additionally, the invention provides various specific technique and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
In the description of this specification, reference term " implementation method ", " some implementation methods ", " schematically implementation
It is specific that the description of mode ", " example ", " specific example " or " some examples " etc. means to combine implementation method or example is described
Feature, structure, material or feature are contained at least one implementation method of the invention or example.In this manual, it is right
The schematic representation of above-mentioned term is not necessarily referring to identical implementation method or example.And, the specific features of description, knot
Structure, material or feature can in an appropriate manner be combined in one or more any implementation methods or example.
While embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that：
These implementation methods can be carried out with various changes, modification, replacement in the case of not departing from principle of the invention and objective and become
Type, the scope of the present invention is limited by claim and its equivalent.
Claims (10)
1. a kind of temperature-control circuit, for electric heating equipment, the electric heating equipment includes inner bag, and the inner bag offers chamber
Room, it is characterised in that the temperature-control circuit includes：
Heating, the heating is arranged on the bottom of the inner bag；
Silicon-controlled device, the silicon-controlled device is connected with the heating；
Detection module, the detection module is used to detect the actual temperature of the chamber；
Control module, the control module is used to judge the actual temperature of the chamber with the relation of target temperature so that described can
Control silicon device controls the heating to close, or the silicon-controlled device is adjusted the heating power of the heating.
2. temperature-control circuit as claimed in claim 1, it is characterised in that the temperature-control circuit includes resistance, described
Resistance is connected between the output end of one end of the heating and the control module.
3. temperature-control circuit as claimed in claim 1, it is characterised in that the temperature-control circuit includes input module,
The input module is used to receive user instruction, and the control module is used to set the target temperature according to the user instruction
Degree, permission temperature deviation value and heating Preset Time；
When the absolute value of the difference between the target temperature and the actual temperature is more than the permission temperature deviation value, institute
Control module is stated for making the silicon-controlled device control the heating to be heated with the first heating power；
The absolute value of the difference between the target temperature and the actual temperature is less than or equal to the permission temperature deviation
During value, the control module is used to make the silicon-controlled device control the heating to be heated with the second heating power,
Second heating power is less than first heating power；
When the working time of the heating is more than or equal to the heating Preset Time, the control module is used to make institute
Stating silicon-controlled device controls the heating to close.
4. temperature-control circuit as claimed in claim 1, it is characterised in that the detection module includes temperature sensor, institute
Stating temperature-control circuit includes amplification/filter circuit and analog to digital conversion circuit, and the amplification/filter circuit is used for the temperature
The temperature signal of sensor output is amplified and filters, and analog-digital conversion circuit as described is used to digitize and amplifies and filtered
The temperature signal, the control module is used to obtain reality of the temperature signal after digitlization to obtain the chamber
Border temperature.
5. temperature-control circuit as claimed in claim 3, it is characterised in that the control module includes pid control module, institute
Pid control module is stated for using the difference between the actual temperature of the chamber and the target temperature as the first input quantity and
Using the rate of change of the difference as the second input quantity, and the angle of flow based on the fuzzy PID algorithm control silicon-controlled device,
So that the silicon-controlled device controls the heating power of the heating and controls the heating to close.
6. temperature-control circuit as claimed in claim 1, it is characterised in that the temperature-control circuit includes photoelectric coupling
Device, the photoelectrical coupler is connected between the output end of the control module and the silicon-controlled device.
7. temperature-control circuit as claimed in claim 1, it is characterised in that the heating is rare earth thick film element.
8. a kind of electric heating equipment, it is characterised in that including the temperature-control circuit as described in claim any one of 1-7.
9. electric heating equipment as claimed in claim 8, it is characterised in that the electric heating equipment includes steam generating system,
The steam generating system includes evaporating pan, and the evaporating pan is arranged on the bottom of the chamber, and the heating is arranged on
On the outer bottom of the evaporating pan.
10. electric heating equipment as claimed in claim 8, it is characterised in that the electric heating equipment includes display screen, the temperature
Degree control circuit is used to make the display screen show the actual temperature of the target temperature and the chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710034824.4A CN106817780B (en) | 2017-01-18 | 2017-01-18 | Temperature control circuit and electric heating equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710034824.4A CN106817780B (en) | 2017-01-18 | 2017-01-18 | Temperature control circuit and electric heating equipment |
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| CN106817780A true CN106817780A (en) | 2017-06-09 |
| CN106817780B CN106817780B (en) | 2020-12-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107608415A (en) * | 2017-07-11 | 2018-01-19 | 湘潭大学 | A kind of electrical heating pure steam generator based on fuzzy-adaptation PID control |
| CN107713759A (en) * | 2017-11-20 | 2018-02-23 | 厦门芯阳科技股份有限公司 | A kind of coffee machine temperature control processing method |
| CN110215173A (en) * | 2019-05-27 | 2019-09-10 | 安徽苏立科技股份有限公司 | A kind of dish-washing machine heat-generating disc and its processing technology |
| CN115143735A (en) * | 2022-06-29 | 2022-10-04 | 厦门海辰新能源科技有限公司 | Rapid preheating and drying method, production process of lithium ion battery and lithium ion battery |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1077803A (en) * | 1965-10-11 | 1967-08-02 | Penn Controls | Improvements in or relating to feedback control systems |
| CN2454675Y (en) * | 1999-09-10 | 2001-10-17 | 塞拉麦斯皮德有限公司 | Radiating electric-heater for microwave oven |
| CN102006686A (en) * | 2010-09-30 | 2011-04-06 | 深圳市奋达电器有限公司 | Quick warming device and method |
| CN201945896U (en) * | 2010-12-28 | 2011-08-24 | 杭州智源电子有限公司 | Temperature control circuit of metal ceramic heating block |
| CN202661793U (en) * | 2012-07-19 | 2013-01-09 | 河海大学常州校区 | Fuzzy-proportion integration differentiation (PID)-based intelligent temperature sensor |
| CN104746323A (en) * | 2015-04-13 | 2015-07-01 | 厦门优尔电器股份有限公司 | Electric iron with improved temperature control method and temperature control method of the electric iron |
| US20150312962A1 (en) * | 2007-10-01 | 2015-10-29 | Timothy Russell Mullen | Wireless electric heat trace and vibration control and monitoring system |
| CN105722256A (en) * | 2014-12-04 | 2016-06-29 | 广东美的生活电器制造有限公司 | Thick film heating assembly, heating device and control method of the heating device |
| CN205384533U (en) * | 2015-12-29 | 2016-07-13 | 重庆依凯科技有限公司 | Temperature control device |
-
2017
- 2017-01-18 CN CN201710034824.4A patent/CN106817780B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1077803A (en) * | 1965-10-11 | 1967-08-02 | Penn Controls | Improvements in or relating to feedback control systems |
| CN2454675Y (en) * | 1999-09-10 | 2001-10-17 | 塞拉麦斯皮德有限公司 | Radiating electric-heater for microwave oven |
| US20150312962A1 (en) * | 2007-10-01 | 2015-10-29 | Timothy Russell Mullen | Wireless electric heat trace and vibration control and monitoring system |
| CN102006686A (en) * | 2010-09-30 | 2011-04-06 | 深圳市奋达电器有限公司 | Quick warming device and method |
| CN201945896U (en) * | 2010-12-28 | 2011-08-24 | 杭州智源电子有限公司 | Temperature control circuit of metal ceramic heating block |
| CN202661793U (en) * | 2012-07-19 | 2013-01-09 | 河海大学常州校区 | Fuzzy-proportion integration differentiation (PID)-based intelligent temperature sensor |
| CN105722256A (en) * | 2014-12-04 | 2016-06-29 | 广东美的生活电器制造有限公司 | Thick film heating assembly, heating device and control method of the heating device |
| CN104746323A (en) * | 2015-04-13 | 2015-07-01 | 厦门优尔电器股份有限公司 | Electric iron with improved temperature control method and temperature control method of the electric iron |
| CN205384533U (en) * | 2015-12-29 | 2016-07-13 | 重庆依凯科技有限公司 | Temperature control device |
Non-Patent Citations (1)
| Title |
|---|
| 北京：中国宇航出版社: "《2009年中国宇航学会学术年会论文集》", 30 June 2010 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107608415A (en) * | 2017-07-11 | 2018-01-19 | 湘潭大学 | A kind of electrical heating pure steam generator based on fuzzy-adaptation PID control |
| CN107713759A (en) * | 2017-11-20 | 2018-02-23 | 厦门芯阳科技股份有限公司 | A kind of coffee machine temperature control processing method |
| CN110215173A (en) * | 2019-05-27 | 2019-09-10 | 安徽苏立科技股份有限公司 | A kind of dish-washing machine heat-generating disc and its processing technology |
| CN115143735A (en) * | 2022-06-29 | 2022-10-04 | 厦门海辰新能源科技有限公司 | Rapid preheating and drying method, production process of lithium ion battery and lithium ion battery |
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