CN107790840A - The electric iron electronic control system of Global Link Width funtion input - Google Patents
The electric iron electronic control system of Global Link Width funtion input Download PDFInfo
- Publication number
- CN107790840A CN107790840A CN201711330471.9A CN201711330471A CN107790840A CN 107790840 A CN107790840 A CN 107790840A CN 201711330471 A CN201711330471 A CN 201711330471A CN 107790840 A CN107790840 A CN 107790840A
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- Prior art keywords
- circuit
- voltage
- control
- power
- main control
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/02—Soldering irons; Bits
- B23K3/03—Soldering irons; Bits electrically heated
- B23K3/033—Soldering irons; Bits electrically heated comprising means for controlling or selecting the temperature or power
Abstract
The electric iron electronic control system of Global Link Width funtion input, it is related to the control circuit technical field of electric iron.Solving existing electric iron control circuit, poor, temperature control is not accurate enough in the presence of adapting to, the single technical deficiency of function, include power input, power input is connected to voltage control width circuit and master control power circuit, the connection heat generating core power supply of voltage control width circuit, the connection main control module power supply of master control power circuit, main control module connects control voltage control width circuit, the sample circuit for peakvalue's checking and sinusoidal voltage detection is also associated between main control module and power input, main control module is also associated with the temperature-sensitive circuit to heat generating core temperature detection.It can be used in 85V-264V simple alternating currents civil power, it is adapted to the civil power of global All Countries, duty cycle adjustment of the main control module according to the peak value of operating voltage, sinusoidal voltage and heat generating core temperature according to pre-set programs to voltage control width circuit, so as to ensure that heat generating core can be in constant predetermined power, do not influenceed by input voltage.
Description
Technical field
The present invention relates to the control circuit technical field of electric iron.
Background technology
Existing electric iron temperature-control circuit operation principle typically as shown in Figure 1,220V AC voltage through decompression,
The input direct voltage all the way as TL431 type circuit of three-terminal voltage-stabilizing integrated is exported after rectification and voltage stabilizing, another way is through temperature-sensitive electricity
After hindering Rr, resistance R3 and adjustable resistance Rp partial pressures, control voltage is provided for TL431 type circuit of three-terminal voltage-stabilizing integrated.By thermometric
When degree is less than adjustable resistance Rp design temperature, electric heater EH is powered and begun to warm up, with the continuous rising of temperature, dut temperature
During design temperature higher than adjustable resistance Rp, electric heater EH power-off stops heating, is opened according to the such loop control of the change of temperature
Open or close, by dut temperature control in the range of setting.
Deficiency existing for existing this control circuit includes：1. voltage low temperature is uncontrolled（Because heat generating core is single
One control source, when the remote bottom of input voltage is in heat generating core rated voltage, heat generating core is constantly in heating）, voltage height damage machine
Device（Overtension can be such that power supply, and key element directly damages）；2. temperature is not accurate（Due to the linear problem of heater element
Do not perform any compensation, so temperature is not accurate enough）；3. function is single, without dormancy, without temperature benefit value, without authority
Management, without Fahrenheit conversion Celsius etc..
The content of the invention
In summary, it is an object of the invention to solve existing electric iron control circuit to have the poor, temperature control of adaptation
Not enough precisely, the single technical deficiency of function, and propose a kind of electric iron electronic control system of Global Link Width funtion input.
To solve technical problem proposed by the invention, the technical scheme used for：
The electric iron electronic control system of Global Link Width funtion input, it is characterised in that the control system includes for that will connect
The power input that the 85V-264V simple alternating currents commercial power rectification entered exports into pulsating volage, power input are connected to
Voltage control width circuit and master control power circuit, the connection heat generating core power supply of voltage control width circuit, master control power circuit connection master control mould
Block is powered, and main control module connection control voltage control width circuit, is also associated with being used for peak value inspection between main control module and power input
Survey and the sample circuit of sinusoidal voltage detection, main control module are also associated with the temperature-sensitive circuit to heat generating core temperature detection, master control mould
Root tuber is powered according to sample circuit and temperature-sensitive circuit control voltage control width circuit for heat generating core.
Described voltage control width circuit is to be formed copped wave electricity by the metal-oxide-semiconductor that the pulse width modulating signal of main control module controls
Road.
Described main control module includes the voltage signal comparator being connected with the sample circuit, connects voltage signal ratio
Compared with the control IC of device, and PWM mode transfers block, metal-oxide-semiconductor crystal drive circuit, reference voltage circuit and the power being connected respectively with control IC
Compensation circuit forms.
Described main control module is also associated with vibroswitch.
Described main control module is also associated with display module.
Beneficial effects of the present invention are：The present invention can use in 85V-264V simple alternating currents civil power, be adapted to the whole world
The civil power of All Countries, main control module is according to the peak value of operating voltage, sinusoidal voltage and heat generating core temperature according to pre-set programs pair
The duty cycle adjustment of voltage control width circuit, so as to ensure that heat generating core can be in constant predetermined power, do not influenceed by input voltage.
It is single to solve existing electric iron input voltage, voltage pulsation can not be too big, the power of input with voltage change
And change, cause using field and area it is small, the amplitude of voltage pulsation is excessive, causes device damage；The present invention makes input voltage
Scope is wider, makes field and area used broader, such as multiple countries, city, remote districts, or even under rugged environment
（Scope range of the fluctuation of voltage is very big）, can normal use.
Brief description of the drawings
Fig. 1 is existing electric iron temperature-control circuit schematic diagram；
Fig. 2 is the oscillogram before and after the power input rectification of the present invention；
Fig. 3 is the voltage control width circuit of the present invention to the oscillogram after programmable control width is carried out after voltage commutation；
Fig. 4 is the circuit theory block diagram of the present invention；
Fig. 5 is the one of which circuit theory diagrams of the present invention.
Embodiment
The structure of the present invention is further described below in conjunction with figure and currently preferred specific embodiment.
Reference picture 2 is to shown in Fig. 5, the electric iron electronic control system of Global Link Width funtion input of the present invention, the control
System processed includes the power input for the 85V-264V simple alternating currents commercial power rectification of access to be exported into pulsating volage,
Power input is connected to voltage control width circuit and master control power circuit, and the connection heat generating core power supply of voltage control width circuit is main
Control power circuit connection main control module power supply, main control module connection control voltage control width circuit, main control module and power input
Between be also associated with for peakvalue's checking and sinusoidal voltage detection sample circuit, main control module be also associated with to heat generating core temperature examine
The temperature-sensitive circuit of survey, main control module are powered according to sample circuit and temperature-sensitive circuit control voltage control width circuit for heat generating core.
Described main control module can include the voltage signal comparator being connected with the sample circuit, connect voltage
The control IC of signal comparator, and respectively with control IC be connected PWM mode transfers block, metal-oxide-semiconductor crystal drive circuit, reference voltage circuit with
And power compensating circuit composition.As shown in Figure 5, main control module uses model STM8-32 single-chip microcomputer IC2；Sampling
Electric routing resistance R14, resistance R15 and resistance R16 compositions；Described voltage control width circuit is to be adjusted by the pulse width of main control module
The metal-oxide-semiconductor Q1 of signal control processed forms chopper circuit, and single-chip microcomputer IC2 passes through a metal-oxide-semiconductor crystal drive circuit being made up of triode Q2
Drive metal-oxide-semiconductor Q1.
When power input input voltage becomes in the range of 85V-264V, the zero point and peak of sinusoidal voltage
The change of angle, which occurs, can cause power output and voltage amplitude and change, and the sampling sinusoidal voltage of sample circuit changes therewith,
The voltage signal that collection is returned is with reference voltage compared with, generation error signal, and parameter after power back-off is carried out is cut
Ripple processing, cuts away higher than reference voltage value, as shown in Figure 3.
Copped wave is to control metal-oxide-semiconductor Q1 switches to cut away height after leading to the dutycycle width for adjusting the PWM module in main control module
In the reference voltage value of setting, this is that temperature has the adjustment process after the state for reaching constant.
Because heat generating core power supply is exactly the output voltage of voltage control width circuit, so during the dutycycle of adjustment PWM module,
Temperature-sensitive circuit is intervened simultaneously adjusts the dutycycle of PWM module again with error signal value.
Overvoltage and under-voltage protection:When being higher than 264V reference voltage values after the magnitude of voltage of peak value, main control module will close
The output of PWM module, metal-oxide-semiconductor Q1 disconnect, and main control module is simultaneously emitted by over-pressed signal prompt signal.
Conversely, when being less than 85V reference voltage values after the sine value voltage detected, main control module will close PWM module
Output, metal-oxide-semiconductor Q1 disconnect, and send out simultaneously overvoltage/undervoltage protection cue.
Master control power circuit includes：1）Main power source：Main power source present case employs SM7015/SM 7012.AC-DC
Pwm power Switching Power Supply, critical piece is by IC SM7015/SM7012 M7 diode UF4005 fly-wheel diode energy storage inductors
L and filter capacitor composition, so as to obtain+12V out-put supplies, power supply is provided for driving metal-oxide-semiconductor Q1.
2）Auxiliary power, auxiliary power are made up of 78L05 three terminal integrated voltage stabilizers ,+5V out-put supplies, work are provided for main control module
Make power supply.
As shown in Figure 5, described main control module is not only connected with the display module for humidity display, for heat generating core
The controlling switch S1 and controlling switch S2 that temperature adds deduct, are also associated with vibroswitch S3；When S3 does not become in preset time
After change, main control module carries out resting state, and control metal-oxide-semiconductor Q1 disconnects.
Technical solution of the present invention：1. making input voltage range wider, make field and area used broader, such as multiple states
Family, city, remote districts, or even under rugged environment（Scope range of the fluctuation of voltage is very big）, can normal use.2. have it is under-voltage with
Overvoltage protection, the rated voltage of heat generating core is changed according to the difference of voltage.3. it is uncontrolled to solve voltage low temperature, the high damage of voltage
Bad machine；4. it is not accurate to solve temperature；5. it is single to solve function, without dormancy, without temperature benefit value, without rights management, do not have
There is Fahrenheit conversion Celsius etc..
Claims (5)
1. the electric iron electronic control system of Global Link Width funtion input, it is characterised in that the control system includes for inciting somebody to action
The power input that the 85V-264V simple alternating currents commercial power rectification of access exports into pulsating volage, power input connect respectively
There are voltage control width circuit and master control power circuit, the connection heat generating core power supply of voltage control width circuit, the connection master control of master control power circuit
Module for power supply, main control module connection control voltage control width circuit, is also associated with being used for peak value between main control module and power input
Detection and the sample circuit of sinusoidal voltage detection, main control module are also associated with the temperature-sensitive circuit to heat generating core temperature detection, master control
Module is powered according to sample circuit and temperature-sensitive circuit control voltage control width circuit for heat generating core.
2. the electric iron electronic control system of Global Link Width funtion input according to claim 1, it is characterised in that：It is described
Voltage control width circuit be by main control module pulse width modulating signal control metal-oxide-semiconductor form chopper circuit.
3. the electric iron electronic control system of Global Link Width funtion input according to claim 1, it is characterised in that：It is described
Main control module include the voltage signal comparator being connected with the sample circuit, connect the control of voltage signal comparator
IC, and PWM mode transfers block, metal-oxide-semiconductor crystal drive circuit, reference voltage circuit and the power compensating circuit group being connected respectively with control IC
Into.
4. the electric iron electronic control system of Global Link Width funtion input according to claim 1, it is characterised in that：It is described
Main control module be also associated with vibroswitch.
5. the electric iron electronic control system of Global Link Width funtion input according to claim 1, it is characterised in that：It is described
Main control module be also associated with display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711330471.9A CN107790840B (en) | 2017-12-13 | 2017-12-13 | Electronic control system for global universal wide voltage input electric soldering iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711330471.9A CN107790840B (en) | 2017-12-13 | 2017-12-13 | Electronic control system for global universal wide voltage input electric soldering iron |
Publications (2)
| Publication Number | Publication Date |
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| CN107790840A true CN107790840A (en) | 2018-03-13 |
| CN107790840B CN107790840B (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711330471.9A Active CN107790840B (en) | 2017-12-13 | 2017-12-13 | Electronic control system for global universal wide voltage input electric soldering iron |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110266224A (en) * | 2019-05-31 | 2019-09-20 | 海盐迪兰电器科技有限公司 | A kind of warm-air drier slew page driver having a display function |
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| US20100224598A1 (en) * | 2005-06-24 | 2010-09-09 | Xiaogang Liu | Quick temperature compensation method for an electric soldering iron and a quick temperature compensable electric soldering iron |
| CN103264244A (en) * | 2013-05-22 | 2013-08-28 | 广州市精源电子设备有限公司 | Thermal compression bonding power source |
| CN103399597A (en) * | 2013-08-11 | 2013-11-20 | 中南林业科技大学 | Thermostatic control circuit and method for intelligent electric soldering iron |
| CN203679477U (en) * | 2013-12-11 | 2014-07-02 | 重庆市翼珑蝶科技有限公司 | Constant-temperature control circuit for internal heating electric soldering iron |
| CN103949745A (en) * | 2014-05-13 | 2014-07-30 | 国家电网公司 | Control circuit for ensuring stable work of soldering iron electric heating wire |
| CN104972190A (en) * | 2015-06-30 | 2015-10-14 | 傅明尧 | Constant temperature electric soldering iron heating circuit |
| CN207723658U (en) * | 2017-12-13 | 2018-08-14 | 深圳创新高电子实业有限公司 | The electric iron electronic control system of Global Link Width funtion input |
-
2017
- 2017-12-13 CN CN201711330471.9A patent/CN107790840B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006026683A (en) * | 2004-07-15 | 2006-02-02 | Nippon Avionics Co Ltd | Inverter controlled pulse heat power source |
| US20100224598A1 (en) * | 2005-06-24 | 2010-09-09 | Xiaogang Liu | Quick temperature compensation method for an electric soldering iron and a quick temperature compensable electric soldering iron |
| JP2008041426A (en) * | 2006-08-07 | 2008-02-21 | Nippon Avionics Co Ltd | Pulse heat power source |
| CN103264244A (en) * | 2013-05-22 | 2013-08-28 | 广州市精源电子设备有限公司 | Thermal compression bonding power source |
| CN103399597A (en) * | 2013-08-11 | 2013-11-20 | 中南林业科技大学 | Thermostatic control circuit and method for intelligent electric soldering iron |
| CN203679477U (en) * | 2013-12-11 | 2014-07-02 | 重庆市翼珑蝶科技有限公司 | Constant-temperature control circuit for internal heating electric soldering iron |
| CN103949745A (en) * | 2014-05-13 | 2014-07-30 | 国家电网公司 | Control circuit for ensuring stable work of soldering iron electric heating wire |
| CN104972190A (en) * | 2015-06-30 | 2015-10-14 | 傅明尧 | Constant temperature electric soldering iron heating circuit |
| CN207723658U (en) * | 2017-12-13 | 2018-08-14 | 深圳创新高电子实业有限公司 | The electric iron electronic control system of Global Link Width funtion input |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110266224A (en) * | 2019-05-31 | 2019-09-20 | 海盐迪兰电器科技有限公司 | A kind of warm-air drier slew page driver having a display function |
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| Publication number | Publication date |
|---|---|
| CN107790840B (en) | 2023-05-05 |
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