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CN105025646B - A multi-functional iron frame of the control system - Google Patents

A multi-functional iron frame of the control system Download PDF

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Publication number
CN105025646B
CN105025646B CN 201510319358 CN201510319358A CN105025646B CN 105025646 B CN105025646 B CN 105025646B CN 201510319358 CN201510319358 CN 201510319358 CN 201510319358 A CN201510319358 A CN 201510319358A CN 105025646 B CN105025646 B CN 105025646B
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CN 201510319358
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CN105025646A (en )
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王啸东
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南京铁道职业技术学院
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Abstract

本发明公开了一种多功能烙铁架的控制系统,包括电源模块、555定时器脉冲电路、线圈、巨磁阻传感器、电压比较器、继电器电路;电源模块的输出端与555定时器脉冲电路的输入端连接;线圈的一端与555定时器脉冲电路的输出端连接,另一端接地;巨磁阻传感器分别与555定时器脉冲电路输出端和电压比较器的输入端连接,电压比较器的输出端连接继电器电路。 The present invention discloses a control system for a multi-functional iron frame, comprising a power module, the pulse timer circuit 555, a coil, a giant magnetoresistive sensor, a voltage comparator, a relay circuit; an output terminal of the power module 555 and the timer pulse circuit an input terminal; an output terminal at one end to the pulse timer circuit 555 is connected to a coil, the other end grounded; giant magneto-resistive sensors are connected to the input terminal of the timer 555 and the output of the pulse voltage comparator circuit, the output of the voltage comparator connecting a relay circuit. 本发明的多功能烙铁架的控制系统使普通的电烙铁,在使用时也能具有防静电和节能的功能。 Multifunctional iron frame of a control system according to the present invention enables an ordinary soldering iron, when in use can also have an antistatic function and energy.

Description

一种多功能烙铁架的控制系统 A multi-functional iron frame of the control system

技术领域 FIELD

[0001 ]本发明属于电子技术领域,具体涉及一种多功能烙铁架的控制系统。 [0001] The present invention belongs to the field of electronic technology, particularly relates to a control system of the multifunction iron frame.

背景技术 Background technique

[0002]电子技术是十九世纪末开始发展起来的新兴技术,其发展迅猛,已经成为近代科学技术发展的一个重要标志。 [0002] Electronic technology is an emerging technology began to develop in the late nineteenth century, its rapid development, has become an important symbol of the development of modern science and technology. 现代电子技术在国防、科学、工业、医学、通讯及文化生活等各个领域中起着巨大的作用。 Modern electronic technology plays a huge role in various fields of national defense, science, industry, medicine, communications and cultural life and the like. 电子技术的应用以及电子产品制造和维修都离不开电烙铁;电烙铁是电子制作和电器维修的必备工具。 Application of electronic technology and electronic product manufacturing and service are inseparable from the electric iron; soldering iron is an essential tool for making electronic and electrical repairs.

[0003] 目前,在电子制作和维修的焊接中存在两个问题: [0003] Currently, there are two problems in electronic production and maintenance welding:

[0004] 1、电烙铁的静电会对静电敏感器件如:场效应管、CMOS集成电路、芯片等造成损坏。 [0004] 1, static electric iron will electrostatic sensitive devices such as: field effect transistor, the CMOS integrated circuit, chip damage. 目前的一般做法是将电烙铁接地或者拔下电烙铁插头利用余热焊接,操作起来极其不方便; The current general practice is to electrically disconnect the electric iron or iron ground plug using heat welding operation is extremely inconvenient;

[0005] 2、在焊接工作停歇时,电烙铁仍处于工作状态,不仅浪费电能,而且电热丝一直处于高温状态,烙铁头上集结的热量不能及时散逸,既容易烧坏电热丝,又加速烙铁头的老化,降低电烙铁的使用寿命。 [0005] 2, when the stop welding, soldering iron is still in operation, not only waste of energy, and the heating wire has been in a high temperature state, the heat buildup can not be timely iron head dissipation, both easy to burn out the heating wire, and accelerate iron head of aging, reduce the life of the soldering iron. 如果在停歇期间关掉电源,带焊接时重新接通电源,又需要预热时间,影响工作效率。 If the power is turned off during the stop, with the welding power source is turned on again, and warm-up period, affect efficiency.

[0006] 目前,有一些电烙铁具有防静电和节能的功能,但其价格较昂贵,而且市场上还具有大量普通的不具备防静电和节能功能的电烙铁在使用,因此需要使普通的电烙铁,在使用时也能具有防静电和节能的功能。 [0006] Currently, there are some electric iron with anti-static and energy-saving features, but its price is more expensive, but the market also has a large number of ordinary does not have anti-static and energy-saving features of the electric iron is in use, it is necessary to make conventional electric iron, in the use of anti-static and can also have the function of energy.

发明内容 SUMMARY

[0007] 本发明要解决的技术问题是提供一种具有防静电和节能的功能的多功能烙铁架的控制系统 [0007] The present invention is to solve the technical problem is to provide a control system for saving and antistatic functions multifunctional iron frame having

[0008] 为解决上述技术问题,本发明采用的技术方案为:一种多功能烙铁架的控制系统, 包括电源模块、555定时器脉冲电路、线圈、巨磁阻传感器、电压比较器和继电器电路; [0008] To solve the above problems, the present invention adopts the technical solution as follows: a versatile iron frame control system, comprising a power module, the pulse timer circuit 555, a coil, a giant magnetoresistive sensor, a voltage comparator and a relay circuit ;

[0009] 所述的电源模块用于将220V交流电转换为5V直流电; [0009] The power supply module is used to convert 220V AC to 5V DC;

[0010]所述的555定时器脉冲电路的输入端与电源模块的输出端连接,用于将5V直流电转换为某一频率的方波电压,通过变阻器调整频率大小; [0010] The output of the input power module and the pulse timer circuit 555 is connected to the DC 5V for converting a frequency of the Fang Bo voltage is adjusted by a rheostat magnitude of frequency;

[0011] 所述的线圈由漆包线绕在烙铁架的凹槽空心骨架上,线圈的一端与555定时器脉冲电路的输出端连接,另一端接地;当方波电压通过线圈时,线圈内产生周期性变化的电流,使周围产生交变磁场; [0011] The coil wire wound on the groove by a hollow iron frame skeleton, one end of the output terminal of the pulse timer circuit 555 is connected to a coil, the other end grounded; when the square wave voltage through the coil, the coil generating periodic current changes, so that an alternating magnetic field is generated around;

[0012] 所述的巨磁阻传感器设置于靠近于线圈平面中心,巨磁阻传感器与555定时器脉冲电路输出端连接,将磁场变化转换为电压信号的变化输出; [0012] The GMR sensor is disposed proximate to the coil to a change in the central plane giant magnetoresistive sensor pulse timer circuit 555 and an output terminal connected to the switching field to change an output voltage signal;

[0013] 所述的电压比较器的输入端与巨磁阻传感器连接,巨磁阻传感器输出电压的变化后,电压比较器输出电平发生翻转; Input of the voltage comparator [0013] The giant magnetoresistive sensor and connected to the giant magnetoresistive sensor output voltage changes, the voltage level of the inverted comparator output occurs;

[0014] 继电器电路输入端同电压比较器的输出端连接,另一端连接电源模块的输出端, 电压比较器输出信号控制继电器电路的通断; [0014] The output terminal of the relay circuit with the input terminal of the voltage comparator is connected to the other end of the output terminal of the power module, the output signal of the voltage comparator circuit of the relay-off control;

[0015] 该控制系统的控制方法如下: [0015] The control method of the control system are as follows:

[0016] 将烙铁架接入交流220V电压; [0016] The iron frame connected to AC voltage 220V;

[0017]电烙铁的插头插入L1C、L2C插孔,将电烙铁放在烙铁架上,巨磁阻传感器检测到电烙铁头引起的磁场变化,输出电压发生变化,电压比较器检测到其电压的变化,输出信号控制继电器电路,继电器常开触点2的闭合,实现电路的接通,电烙铁通电加热;将电烙铁从烙铁架取走,继电器常开触点2断开,电烙铁自动断电; [0017] The electric iron plug insertion L1C, L2C socket, the soldering iron on the soldering iron stand, a giant magnetoresistive sensor detects a change in magnetic field to the tip due to electrical output voltage changes, the voltage comparator detects that the voltage of the changes, the output signal of the control relay circuit, normally open relay contact closure 2 to achieve the electrical circuit, the electrical resistance heating iron; the soldering iron is removed from the iron frame, normally open relay contact 2 is disconnected, electric iron off automatically Electricity;

[0018]电烙铁的插头插入L1B、L2B插孔,实现与L1B、L2B的接通;将电烙铁放在烙铁架上,继电器常闭触点3断开;如果继电器常闭触点3断开,而转换开关QS闭合时,电流通过整流二极管D7,变为半波整流供电,这时电烙铁只消耗原功率的一半,处于保温节电状态;如果继电器常闭触点3断开,而转换开关QS断开时,电路切断,电烙铁断电,这种比较适合大功率快热型电烙铁,当恢复通电时,能够迅速加热;当电烙铁从烙铁架取走时, 继电器常闭触点3恢复闭合,电烙铁正常通电工作。 [0018] The electric iron plug insertion L1B, L2B jack realized L1B, L2B ON; iron on the soldering iron stand, normally closed relay contact 3 is disconnected; if disconnected normally closed relay contacts 3 , while switch QS is closed, current flows through the rectifier diode D7, becomes a half-wave rectification power supply, then the electric iron consumes half the original power, in a holding power saving state; if the normally closed relay contact 3 is disconnected, the conversion QS switch off, the circuit cut off electric iron, which is more suitable for high power fast thermal electric iron type, when power is restored, it is possible to quickly heat; electric iron when the iron is removed from the frame, normally closed relay contacts 3 to restore the closed, normal power electric iron work.

[0019] 进一步地,所述的电源模块由变压器TC、整流电路和7805稳压器组成;所述的变压器TC的输出端连接由二极管D1、二极管D2、二极管D3和二极管D4组成的整流电路;变压器TC 输出端的一边与二极管D1的正极和二极管D2的负极连接,另一边与二极管D3的正极和D4负极连接;二极管D1的负极与二极管D3的负极连接;所述的整流电路和所述的7805稳压器之间设置有由电容C1和电容C2构成的滤波电路;电容C1的一极与二极管D3的负极、电容C2的一极以及7805稳压器的输入端连接;电容C1的另一极与二极管D4的正极、电容C2的另一极以及78〇5稳压器的接地端一起接地;所述的7805稳压器的输出端和由电容C3和电容C4构成的滤波电路以及555定时器脉冲电路的输入端连接; [0019] Furthermore, the power module TC by the transformer, a rectifier circuit 7805, and composed; TC of the output of the transformer is connected to the rectifier circuit by the diode D1, diode D2, a diode D3 and a diode D4 thereof; the positive electrode side of the transformer TC output of the diode D1 and cathode of diode D2 is connected, the other side is connected to the anode of the diode D3 and D4 of the negative electrode; cathode of diode D1 is connected with the cathode of diode D3; said rectifier circuit 7805 and the the regulator is provided between the filter circuit composed of a capacitor C1 and a capacitor C2; a negative electrode input terminal of the diode D3, the capacitor C1, a capacitor C2 and the electrode 7805 is connected; the other electrode of the capacitor C1 the anode of the diode D4 and the ground together with the ground terminal and the other electrode of the capacitor C2 78〇5 regulator; an output terminal of the voltage regulator 7805 and a filter circuit composed of a capacitor C3 and capacitor C4 and the timer 555 input of the pulse circuit;

[0020] 进一步地,所述的555定时器脉冲电路由ne555时基电路、电阻R1、电阻R2、电容D5、 电容D6、电容C5和电容C6组成;ne555时基电路的1脚GND接地;ne555时基电路的4脚MR和8脚VDD接电源模块的输出端;ne555时基电路的3脚V0为输出端,输出方波电压;ne555时基电路的5脚Vc连接电容C5的一端,电容C5的另一端接地;ne555时基电路的2脚TR和6脚TH连接后与电容ce的一端和滑动变阻器Rpl的活动臂连接;电容C6的另一端接地;所述滑动变阻器Rpl的一端连接电阻R1的一端,另一端连接二极管D5的负极,二极管D5的正极连接ne555时基电路的7脚DIS和电阻R7的一端;电阻R1的另一端连接二极管D6的正极;二极管D6的负极连接ne555时基电路的7脚DIS和电阻R7的一端;电阻R7的另一端连接电源模块。 [0020] Further, the pulse timer circuit 555 by a time base circuit ne555, resistor R1, a resistor R2, a capacitor D5, D6 capacitance, the capacitor C5 and the capacitor C6 form; ne555 pin 1 GND Ground circuit group; ne555 4 feet MR time base circuit and the 8 pin VDD is connected to the power supply module output terminal; NE555 3 foot base circuit V0 is an output terminal, the output square wave voltage; NE555 5 feet Vc base circuit is connected to one end of the capacitor C5, the capacitor the other end of the C5; after NE555 pin 2-yl circuit TR and TH pin 6 connected to the capacitor and one end of the movable arm ce rheostat connected Rpl; other end of the capacitor C6; end of the slide rheostat connection resistance Rpl One end of R1 and the other end connected to the anode of the diode D5, one end of the anode of the diode D5 is connected ne555 7 feet DIS and the resistance base circuit of R7; at the other end of the resistor R1 is connected to the cathode of the diode D6; diode D6 is connected to the negative ne555 timebase R7 DIS foot end 7 and the resistance circuit; the other end of the resistor R7 is connected to the power module.

[0021 ]进一步地,所述的巨磁阻传感器由4个相同材料的巨磁电阻构成,4个巨磁电阻分别为电阻R3、电阻R4、电阻R5和电阻R6,其中电阻R3和电阻R6是参考电阻,电阻R4和电阻R5 是感应电阻;参考电阻R3和R6被密封;电阻R3和电阻R4的一端接电源,电阻R3的另一端接和电阻R5的一端连接电压比较器的正输入端,电阻R4的另一端和电阻R6的一端接电压比较器的负输入端,电阻R5的另一端和电阻R6的另一端接地。 [0021] Further, the GMR sensor consists of four GMR same material, 4 respectively GMR resistor R3, a resistor R4, a resistor R5 and the resistor R6, wherein resistors R3 and R6 are reference resistor, the resistor R4 and the resistor R5 is the sense resistor; reference resistor R3 and R6 are sealed; a termination power, one end of the other end of the resistor R3 and the resistor R5 of the resistors R3 and R4 is connected to the positive voltage input of the comparator, one end of the negative input terminal of the voltage comparator and the other end of the resistor R6 of the resistor R4, the other end of the resistor R5 and the other end of resistor R6.

[0022]进一步地,所述的电压比较器为LM393电压比较器。 [0022] Further, the voltage comparator is a voltage comparator LM393.

[0023]进一步地,所述的继电器电路包括继电器线圈、常开触点、常闭触点、转换开关QS 和二极管D7;继电器线圈的一端连接电压比较器的输出端,另一端连接电源模块的输出端; 常开触点的一端连接插孔L2A和二极管D7的正极;常开触点的另一端连接插孔L2C,常闭触点的一端连接插孔L2A和二极管D7的正极,常闭触点的另一端连接插孔L2B;转换开关QS的一3而连接二极管D7的负极,另一端连接插孔L2B。 [0023] Furthermore, said relay circuit including a relay coil, the normally open contacts, normally closed contact, a diode D7 and a switch QS; voltage comparator connected to the output terminal of one end of the relay coil, the other end of the power module an output terminal; normally open contact is connected to one end of the positive electrode jack L2A and the diode D7; normally open contact of the other end of the L2C connection jack, one end of the normally closed contact is connected to the cathode of diode D7 L2A and jack, normally closed contact the other end point of the connection jack L2B; QS switch 3 is connected to a negative terminal of the diode D7 is connected to the other jack L2B.

[0024]本发明的有益效果:本发明的控制系统包括电源模块、555定时器脉冲电路、线圈、 巨磁阻传感器、电压比较器、继电器电路。 [0024] Advantageous effects of the present invention: the control system of the present invention includes a power module, the pulse timer circuit 555, a coil, a giant magnetoresistive sensor, a voltage comparator, a relay circuit. 根本发明的控制系统具有防静电的功能,当电烙铁放在烙铁架上时,电烙铁通电加热,当电烙铁从烙铁架取走时,电烙铁自动断电,电烙铁利用余热焊接,有效避免了静电对被焊接元件的损坏,又不需要使用人员反复的插拔电烙铁。 The control system underlying the invention with anti-static function, electric iron when the iron is placed rack, electric iron electric heating, electric iron when the iron is removed from the rack, automatic power soldering iron, the soldering iron using heat welding, avoid electrostatic damage to the components to be welded, and do not need to use personnel repeatedly insert and remove electric iron. 本发明的控制系统还具有节能的功能,当电烙铁放在烙铁架上时,电烙铁保温节电状态,当电烙铁从烙铁架取走时,电烙铁正常工作。 The control system of the present invention also has a function of energy, when electric iron on the soldering iron stand, electric iron insulation power saving state, when the soldering iron is removed from the soldering iron stand, electric iron work.

附图说明 BRIEF DESCRIPTION

[0025]图1为本发明的结构框图。 [0025] FIG. 1 is a block diagram of the present invention.

[0026]图2为本发明的电源模块的电路图。 A circuit diagram of [0026] FIG. 2 of the power module of the present invention.

[0027]图3为发明的555定时器脉冲电路的电路图。 [0027] FIG. 3 is a circuit diagram of a pulse timer circuit 555 of the invention.

[0028]图4为本发明的线圈的电路图。 A circuit diagram of [0028] FIG coil 4 of the present invention.

[0029]图5为本发明的巨磁阻传感器的电路图。 A circuit diagram of [0029] FIG. 5 giant magnetoresistive sensor of the present invention.

[0030]图6为本发明的触点电路的电路图。 [0030] FIG. 6 is a circuit diagram of the contact circuit of the present invention.

具体实施方式 detailed description

[0031] 下面结合附图对本发明的技术方案作详细说明。 [0031] DRAWINGS The technical solution of the present invention will be described in detail.

[0032] 如图1-6为本发明的一种多功能烙铁架的控制系统,包括电源模块、555定时器脉冲电路、线圈、巨磁阻传感器、LM393电压比较器和继电器电路;电源模块用于将220V交流电转换为5V直流电;555定时器脉冲电路的输入端与电源模块的输出端连接,用于将5V直流电转换为某一频率的方波电压,通过变阻器调整频率大小;线圈由漆包线绕在烙铁架的凹槽空心骨架上,线圈的一端与555定时器脉冲电路的输出端连接,另一端接地;当方波电压通过线圈时,线圈内产生周期性变化的电流,使周围产生交变磁场;巨磁阻传感器设置于靠近于线圈平面中心,巨磁阻传感器与555定时器脉冲电路输出端连接,将磁场变化转换为电压信号的变化输出;LM393电压比较器的输入端与巨磁阻传感器连接,巨磁阻传感器输出电压的变化后,LM393电压比较器输出电平发生翻转;继电器电 [0032] A multi-functional iron frame of a control system of the present invention in Figures 1-6, includes a power supply module, the pulse timer circuit 555, a coil, a giant magnetoresistive sensor, the LM393 voltage comparator and the relay circuit; power module convert 220V AC to 5V DC; output of the input pulse timer circuit 555 to the power supply module is connected to the 5V DC into a square wave voltage of a certain frequency, by adjusting the size of the frequency of the varistor; a coil winding enameled in that the hollow iron frame skeleton, one end of the output terminal of the pulse timer circuit 555 is connected to a coil, the other end grounded; when the square wave voltage through the coil, generating a periodically varying electric current within the coil, so that an alternating magnetic field around the ; giant magneto-resistive sensor disposed on a plane close to the center of the coil, a giant magnetoresistive sensor pulse timer circuit 555 and an output terminal connected to the switching field to change the output voltage signal variation; LM393 voltage comparator input terminal and a giant magnetoresistive sensor after the change in the connection, the output voltage of the giant magneto-resistive sensor, the LM393 voltage comparator output level is inverted; electrical relay 路输入端同电压比较器的输出端连接,另一端连接电源模块的输出端。 Input terminal with the output terminal of the voltage comparator is connected, an output terminal connected to the other terminal of the power module.

[0033] 电源模块由变压器TC、整流电路和78〇5稳压器组成;变压器TC的输出端连接由二极管D1、二极管D2、二极管D3和二极管D4组成的整流电路;变压器TC输出端的一边与二极管D1的正极和二极管D2的负极连接,另一边与二极管D3的正极和D4负极连接;二极管D1的负极与二极管D3的负极连接;整流电路和所述的7805稳压器之间设置有由电容C1和电容C2构成的滤波电路;电容C1的一极与二极管〇3的负极、电容C2的一极以及78〇5稳压器的输入端连接;电容C1的另一极与二极管D4的正极、电容C2的另一极以及78〇f5稳压器的接地端一起接地;7805稳压器的输出端和由电容C3和电容C4构成的滤波电路以及555定时器脉冲电路的输入端连接。 [0033] The power supply module by the transformer TC, rectifier circuit and a voltage regulator consisting 78〇5; TC output of the transformer is connected to the rectifier circuit by the diode D1, diode D2, a diode D3 and a diode D4 thereof; TC output terminal side of the transformer and the diode the positive electrode D1 and the diode D2 is connected to the negative electrode, the other side is connected to the anode of the diode D3 and D4 of the negative electrode; cathode of diode D1 is connected with the cathode of diode D3; disposed between the rectifying circuit and the 7805 has a capacitor C1 filter circuit and the capacitor C2; an input terminal of a negative electrode of the capacitor C1 and the diode 〇3, one pole of the capacitor C2 is connected to voltage regulator and 78〇5; the other electrode of the capacitor C1 and the anode of a diode D4, a capacitor another ground electrode grounded together and C2 78〇f5 regulator; input 7805 the output of the regulator and the filter circuit 555 and a pulse timer circuit composed of a capacitor C3 and capacitor C4 is connected.

[0034] 555定时器脉冲电路由ne555时基电路、电阻R1、电阻R2、电容D5、电容D6、电容C5和电容C6组成;ne555时基电路的1脚GND接地;ne555时基电路的4脚MR和8脚VDD接电源模块的输出端;ne555时基电路的3脚V0为输出端,输出方波电压;ne555时基电路的5脚Vc连接电容C5的一端,电容C5的另一端接地;ne555时基电路的2脚TR和6脚TH连接后与电容C6的一端和滑动变阻器Rp 1的活动臂连接;电容C6的另一端接地;滑动变阻器Rp 1的一端连接电阻R1的一端,另一端连接二极管D5的负极,二极管D5的正极连接ne555时基电路的7脚DIS和电阻R7 的一端;电阻R1的另一端连接二极管D6的正极;二极管D6的负极连接ne555时基电路的7脚DIS和电阻R7的一端;电阻R7的另一端连接电源模块。 [0034] The pulse timer circuit 555 by a time base circuit ne555, resistor R1, a resistor R2, a capacitor D5, D6 capacitance, the capacitor C5 and the capacitor C6 form; ne555 pin 1 GND Ground circuit group; ne555 time base circuit 4 feet MR and 8 pin VDD is connected to the power supply module output terminal; NE555 3 foot base circuit V0 is an output terminal, the output Fang Bo voltage; NE555 5 feet Vc base circuit is connected to one end of the capacitor C5, the other end of the capacitor C5; ne555 2 foot TR-yl circuit and 6 feet TH activity arm 1 is connected to a connection with one end of the slide resistor Rp capacitor C6; other end of the capacitor C6; end of rheostat Rp 1 is connected to one end of the resistor R1, the other end R7 connected at one end of the diode D5 cathode, anode of diode D5 is connected ne555 7 feet DIS and the resistance groups circuit; the other end of the resistor R1 is connected to the cathode of the diode D6; diode D6 is connected to the negative ne555 7 feet DIS base circuit and One end of the resistor R7; the other end of the resistor R7 is connected to the power module.

[0035]巨磁阻传感器由4个相同材料的巨磁电阻构成,4个巨磁电阻分别为电阻R3、电阻R4、电阻R5和电阻R6,其中电阻R3和电阻R6是参考电阻,电阻R4和电阻R5是感应电阻,参考电阻R3和R6被密封,使其与外部磁场隔离,阻值不会因为外部磁场的变化而变化;电阻R3 和电阻R4的一端接电源,电阻R3的另一端接和电阻R5的一端连接电压比较器的正输入端, 电阻R4的另一端和电阻册的一端接电压比较器的负输入端,电阻R5的另一端和电阻R6的另一端接地。 [0035] The giant magnetoresistive sensor consists of four GMR same material, 4 respectively GMR resistor R3, a resistor R4, a resistor R5 and resistor R6, wherein resistors R3 and R6 is a reference resistor, and the resistor R4 resistor R5 is a sense resistor, a reference resistor R3 and R6 are sealed, so that the external magnetic separator, the resistance will not change in the external magnetic field is varied; and the other end of the resistor R3 and the resistor R4 one end of the power supply, the resistor R3 one end of the resistor R5 is connected to the voltage comparator positive input terminal and the other end to one end of the negative input terminal of the voltage comparator and the other end of the resistor R4 resistor registered, the other end of the resistor R5 and the resistor R6. 当施加线圈产生的外部磁场时,感应电阻R4和R5的阻值会随着外部磁场的变化而变化,而参考电阻R3和R6阻值不变,导致电桥失去平衡,磁场变化转换为电压信号的变化输出。 When the external magnetic field is applied to the coil, sensing resistors R4 and R5, will vary with the external magnetic field, the resistance of the reference resistor R3 and R6 are the same, leading to the bridge out of balance, changes in the magnetic field converted into a voltage signal the output changes.

[0036]当电烙铁放在烙铁架上时,其电烙铁头处于线圈产生的变化磁场中,从而在电烙铁头产生电涡流,电涡流产生的磁场又使线圈周围的磁场强度发生了变化。 [0036] When the iron on the soldering iron stand, the soldering iron in which a varying magnetic field generated by the coil, generating eddy current in the soldering iron, the magnetic field generated by the eddy current and the magnetic field intensity around the coil changes. 巨磁阻传感器检测到其磁场的变化,其输出电压发生变化。 Giant magnetoresistive sensor which detects a change in magnetic field, the output voltage changes.

[0037] LM393电压比较器检测到巨磁阻传感器输出电压的变化后,输出电平发生翻转。 [0037] After LM393 voltage comparator detects a change in output voltage of the giant magneto-resistive sensor, the output level is inverted.

[0038]继电器电路包括继电器线圈、常开触点2、常闭触点3、转换开关QS和二极管D7;继电器线圈的一端连接电压比较器的输出端,另一端连接电源模块的输出端;常开触点2的一端连接插孔L2A和二极管D7的正极;常开触点2的另一端连接插孔L2C,常闭触点3的一端连接插孔L2A和二极管D7的正极,常闭触点3的另一端连接插孔L2B;转换开关QS的一端连接二极管D7的负极,另一端连接插孔L2B。 [0038] Relay circuit comprises a relay coil, the normally open contacts 2, 3 normally closed contact, and a diode D7 switch QS; an output terminal connected to one end of the relay coil voltage comparator, and the other end connected to the output terminal of the power module; Chang open contact is connected to one end of the jack 2 and the cathode of the diode D7 L2A; normally open contact is connected to the other end of the jack 2 the L2C, one end of the normally closed contact 3 is connected to the positive jack L2A and diode D7, the normally closed contacts 3 is connected to the other end of the jack L2B; QS is connected to one end of a negative switch, the other terminal of the diode D7 is connected to the jack L2B.

[0039] LM393电压比较器输出信号控制继电器KA的通断,继电器KA的通断实现多功能烙铁架的控制功能,从而使普通的电烙铁也能具有防静电和节能的功能: [0039] LM393 voltage comparator output signal on-off control relay KA, KA-off relay control functions of the multifunction iron frame, so that the conventional electric iron can also have an antistatic function and energy:

[0040]多功能烙铁架在使用时,多功能烙铁架通过L1A、L2A接入交流220V电压。 [0040] When using the iron frame multifunction, multi-purpose iron frame by L1A, L2A access 220V AC voltage.

[0041]当需要具有防静电功能时,电烙铁的插头插入L1C、L2C插孔,实现与L1C、L2C的接通。 [0041] When required to have anti-static function, electric iron plug into L1C, L2C jack, and is turned on to achieve L1C, L2C in. 当电烙铁放在烙铁架上时,巨磁阻传感器检测到电烙铁头引起的磁场变化,输出电压发生变化,电压比较器检测到其电压的变化,输出信号控制继电器电路,继电器常开触点2的闭合,实现电路的接通,电烙铁通电加热。 When the iron on the soldering iron stand, a giant magnetoresistive sensor detects the magnetic field change caused by the soldering iron, the output voltage changes, the voltage comparator detects changes in the voltage of the output signal of the control relay circuit, normally open relay contacts 2 is closed, turned to achieve electrical conduction heating iron circuit. 当电烙铁从烙铁架取走时,继电器常开触点2断开,电烙铁自动断电,电烙铁利用余热焊接,有效避免了静电对被焊接元件的损坏,又不需要使用人员反复的插拔电烙铁。 When the soldering iron is removed from the iron frame, normally open relay contact 2 is disconnected, electric iron off automatically, using a soldering iron soldering heat, effectively prevent electrostatic damage to the components to be welded, and do not need to use personnel repeatedly inserted pull the electric iron.

[0042]当需要节能时,电烙铁的插头插入L1B、L2B插孔,实现与L1B、L2B的接通。 [0042] When needed energy, electric iron plug into L1B, L2B jack realized L1B, L2B is turned on. 当电烙铁放在烙铁架上时,继电器常闭触点3断开。 When the iron on the soldering iron stand, normally closed relay contact 3 is disconnected. 如果继电器常闭触点3断开,而转换开关QS闭合时,电流通过整流二极管D7,变为半波整流供电,这时电烙铁只消耗原功率的一半,处于保温节电状态。 If the normally closed relay contact 3 is disconnected, and the changeover switch QS is closed, current flows through the rectifier diode D7, it becomes a half-wave rectification power supply, then the electric iron consumes half the original power, in a holding power saving state. 如果继电器常闭触点3断开,而转换开关QS断开时,电路切断,电烙铁断电,这种比较适合大功率快热型电烙铁,当恢复通电时,能够迅速加热。 If the relay normally closed contact 3 is disconnected, and the conversion switch QS is turned off, the circuit cut off electric iron, which is more suitable for high power fast thermal electric iron type, when power is restored, can be rapidly heated. 当电烙铁从烙铁架取走时,继电器常闭触点3恢复闭合,电烙铁正常通电工作。 When the soldering iron is removed from the iron frame, normally closed relay contact 3 is closed recovery, normal power electric iron work.

[0043]以上显示和描述了本发明的基本原理和主要特征和本发明的优点。 [0043] The above description and the basic principles and features of this invention and the main advantages of the invention. 本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。 The industry the art will appreciate, the present invention is not limited to the above embodiment, the above-described examples and embodiments described in the specification are only illustrative of the principles of the present invention, without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, changes and modifications which fall within the scope of the claimed invention. 本发明要求保护范围由所附的权利要求书及其等效物界定。 The scope of the invention as claimed by the appended claims and their equivalents.

Claims (4)

1. 一种多功能烙铁架的控制系统,其特征在于:包括电源模块、555定时器脉冲电路、 线圈、巨磁阻传感器、LM393电压比较器和继电器电路; 所述的电源模块用于将220V交流电转换为5V直流电; 所述的555定时器脉冲电路的输入端与电源模块的输出端连接,用于将5V直流电转换为某一频率的方波电压,通过变阻器调整频率大小; 所述的线圈由漆包线绕在烙铁架的凹槽空心骨架上,线圈的一端与555定时器脉冲电路的输出端连接,另一端接地;当方波电压通过线圈时,线圈内产生周期性变化的电流, 使周围产生交变磁场; 所述的巨磁阻传感器设置于靠近于线圈平面中心,巨磁阻传感器与555定时器脉冲电路输出端连接,将磁场变化转换为电压信号的变化输出; 所述的LM393电压比较器的输入端与巨磁阻传感器连接,巨磁阻传感器输出电压的变化后,电压比较器 1. A multifunctional iron frame control system comprising: a power module, the pulse timer circuit 555, a coil, a giant magnetoresistive sensor, the LM393 voltage comparator and the relay circuit; for the power module 220V 5V DC is converted to AC power; output of the input power module and the pulse timer circuit 555 is connected to the 5V DC into Fang Bo voltage of a certain frequency, by adjusting the size of the varistor frequency; said coil by a wire wound on the iron frame skeleton of the hollow groove, one end of the output of the pulse timer circuit 555 is connected to a coil, the other end grounded; when the square wave voltage through the coil, the inner coil a periodic change in the current, generated around alternating magnetic field; the GMR sensor is arranged in a plane close to the center of the coil, a giant magnetoresistive sensor pulse timer circuit 555 and an output terminal connected to the switching field change signal to change an output voltage; comparing said voltage LM393 after the input is connected to the giant magnetoresistive sensor, a giant magnetoresistive sensor changes an output voltage, the voltage comparator 出电平发生翻转; 继电器电路输入端同LM393电压比较器的输出端连接,另一端连接电源模块的输出端, 电压比较器输出信号控制继电器电路的通断;所述的继电器电路包括继电器线圈、常开触点、常闭触点、转换开关QS和二极管D7 ;继电器线圈的一端连接电压比较器的输出端, 另一端连接电源模块的输出端;常开触点的一端连接插孔L2A和二极管D7的正极;常开触点的另一端连接插孔L2C,常闭触点的一端连接插孔L2A和二极管D7的正极,常闭触点的另一端连接插孔L2B ;转换开关QS的一端连接二极管D7的负极,另一端连接插孔L2B; 该控制系统的控制方法如下: 将烙铁架接入交流220V电压; 电烙铁的插头插入L1C、L2C插孔,将电烙铁放在烙铁架上,巨磁阻传感器检测到电烙铁头引起的磁场变化,输出电压发生变化,电压比较器检测到其电压的变化,输出信号控制继 A level inversion occurs; relay circuit with the input terminal of the voltage comparator LM393 output terminal and the other end connected to the output terminal of the power module, on-off control signal of the voltage comparator output relay circuit; said relay circuit including a relay coil, normally open contact, a normally closed contact, and a diode D7 switch QS; an output terminal connected to one end of the relay coil voltage comparator, and the other end connected to the output terminal of the power module; normally open contact is connected to one end of the jack and the diode L2A D7 is positive; the other end of the normally open contact of the L2C connection jack, one end of the normally closed contact is connected to the positive jack L2A and diode D7, and the other end is connected to the normally closed contact jack L2B; QS is connected to one end of the switch a negative electrode, the other terminal of the diode D7 is connected to the jack L2B; control method of the control system is as follows: iron frame connected to AC voltage 220V; electric iron plug insertion L1C, L2C socket, the soldering iron on the soldering iron stand, giant magnetoresistive sensor detects the magnetic field change caused by the soldering iron, the output voltage changes, the voltage comparator detects changes in the voltage output signal of the control relay 电器电路,继电器常开触点2的闭合,实现电路的接通,电烙铁通电加热;将电烙铁从烙铁架取走,继电器常开触点2断开,电烙铁自动断电; 电烙铁的插头插入L1B、L2B插孔,实现与L1B、L2B的接通;将电烙铁放在烙铁架上, 继电器常闭触点3断开;如果继电器常闭触点3断开,而转换开关QS闭合时,电流通过整流二极管D7,变为半波整流供电,这时电烙铁只消耗原功率的一半,处于保温节电状态;如果继电器常闭触点3断开,而转换开关QS断开时,电路切断,电烙铁断电,这种比较适合大功率快热型电烙铁,当恢复通电时,能够迅速加热;当电烙铁从烙铁架取走时,继电器常闭触点3恢复闭合,电烙铁正常通电工作。 Electrical circuits, normally open relay contact closure 2 to achieve the electrical circuit, the electrical resistance heating iron; the soldering iron is removed from the iron frame, normally open relay contact 2 is disconnected, electric iron off automatically; electric iron plug into L1B, L2B jack realized L1B, L2B oN; iron on the soldering iron stand, normally closed relay contact 3 is disconnected; if the normally closed relay contact 3 is disconnected, the switch is closed QS , the current through the rectifier diode D7, becomes a half-wave rectification power supply, then the electric iron consumes half the original power, in a holding power saving state; if the normally closed relay contact 3 is disconnected, disconnecting switch QS conversion, circuit cut off electric iron, which is more suitable for high power fast thermal electric iron type, when power is restored, it is possible to quickly heat; electric iron when the iron is removed from the frame, normally closed relay contact 3 is closed to restore electric iron normal power work.
2. 根据权利要求1所述的一种多功能烙铁架的控制系统,其特征在于:所述的电源模块由变压器TC、整流电路和78〇5稳压器组成;所述的变压器TC的输出端连接由二极管D1、二极管D2、二极管D3和二极管D4组成的整流电路;变压器TC输出端的一边与二极管D1的正极和二极管D2的负极连接,另一边与二极管D3的正极和D4负极连接;二极管D1的负极与二极管D3的负极连接;所述的整流电路和所述的7805稳压器之间设置有由电容C1和电容C2构成的滤波电路;电容C1的一极与二极管D3 的负极、电容C2的一极以及7S05稳压器的输入端连接;电容C1的另一极与二极管D4的正极、电容C2的另一极以及7805稳压器的接地端一起接地;所述的7805稳压器的输出端和由电容C3和电容C4构成的滤波电路以及555定时器脉冲电路的输入端连接。 2. A control system for a multi-functional iron frame according to claim 1, wherein: said power module TC by the transformer, rectifier circuit and a voltage regulator consisting 78〇5; TC of the output transformer terminal connected rectifier circuit by the diode D1, diode D2, a diode D3 and a diode D4 thereof; positive transformer TC output terminal side of the diode D1 and cathode of diode D2 is connected, the other side is connected to the anode of the diode D3 and D4 cathode; diodes D1 connected to the negative cathode of the diode D3; disposed between the rectifier circuit and the filter circuit 7805 is constituted by the capacitor C1 and the capacitor C2; a negative electrode of the capacitor C1 and the diode D3, capacitor C2 input electrode and a voltage regulator connected 7S05; other electrode to the positive electrode of the diode D4, the other end of the ground electrode 7805 and the capacitor C2 is grounded together regulator capacitor C1; the 7805's an input terminal and output terminal of the filter circuit and the pulse timer circuit 555 by capacitor C3 and capacitor C4 connected configuration.
3. 根据权利要求1所述的一种多功能烙铁架的控制系统,其特征在于:所述的555 定时器脉冲电路由ne555时基电路、电阻RK电阻R2、电容D5、电容D6、电容C5和电容C6组成;ne555时基电路的1脚GND接地;ne555时基电路的4脚MR和8脚VDD接电源模块的输出端;ne555时基电路的3脚V0为输出端,输出方波电压;ne555 时基电路的5脚Vc连接电谷C5的一端,电容c:5的另一端接地;ne555时基电路的2脚TR 和6脚TH连接后与电容⑶的一端和滑动变阻器肋丨的活动臂连接;电容¢6的另一端接地;所述滑动变阻器Rpl的一端连接电阻R1的一端,另一端连接二极管D5的负极,二极管D5的正极连接ne555时基电路的7脚DIS和电阻R7的一端;电阻R1的另一端连接二极管D6的正极;二极管D6的负极连接ne555时基电路的7脚DIS和电阻R7的一端;电阻R7的另一端连接电源模块。 The control system for a multi-functional iron frame according to claim 1, wherein: said pulse timer circuit 555 by a time base circuit ne555, RK resistance resistor R2, a capacitor D5, D6 capacitance, the capacitor C5 and a capacitor C6 form; NE555 1 pin GND ground-based circuit; NE555 4 feet MR yl circuit and the 8 pin VDD is connected to the output terminal of the power module; NE555 3 feet V0 yl circuit is an output terminal, the output square wave voltage ; ne555 5 feet Vc base circuit is connected to one end of the electrically valley C5, a capacitor c: 5 in the other end grounded; after ne555 2 foot TR-yl circuit and 6 feet TH is connected to one end of rheostat capacitor ⑶ ribs Shu of connected to the active arm; the other end of the capacitor 6 ¢; Rpl end of the slide resistor is connected at one end of the resistor R1, and the other end connected to the cathode of the diode D5, diode D5 is connected to the positive pin group ne555 circuit 7 and the resistor R7 DIS end; the other end of the resistor R1 is connected to the cathode of diode D6; ne555 end connected to the negative of the time base circuit of the diode D6 and resistor R7 DIS 7 feet; the other end of the resistor R7 is connected to the power module.
4. 根据权利要求1所述的一种多功能烙铁架的控制系统,其特征在于:所述的巨磁阻传感器由4个相同材料的巨磁电阻构成,4个巨磁电阻分别为电阻R3、电阻R4、电阻妨和电阻R6,其中电阻R3和电阻R6是参考电阻,电阻R4和电阻R5是碌应电阻.矣考电阻R3和R6被密封;电阻R3和电阻R4的一端接电源,电阻R3的另一端接和^阻R5的一ji而连接电压比较器的正输入端,电阻R4的另一端和电阻拙的一端接器的负输入端,电阻R5的另一端和电阻R6的另一端接地。 4. The control system for a multi-functional iron frame according to claim 1, wherein: said giant magnetoresistive sensor is constituted by four GMR same material, four GMR resistor R3 respectively resistor R4, a resistor harm and resistor R6, wherein resistors R3 and R6 is a reference resistor, the resistor R4 and the resistor R5 are busy should resistive carry test resistor R3 and R6 are sealed; resistor R3 and the resistor R4 one end of the power supply, resistors ji and a negative input terminal connected to the positive input terminal of the voltage comparator and the other end of R3 ^ resistance R5, the other end of the resistor R4 and the resistor clumsy a terminator, and the other at the other end of the resistor R5 resistor R6 ground.
CN 201510319358 2015-06-12 2015-06-12 A multi-functional iron frame of the control system CN105025646B (en)

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CN2173133Y (en) * 1993-09-08 1994-08-03 徐世刚 High-effect quick heating and energy-saving electromagnetic soldering iron
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