CN105195848A - Automatic-off infrared induction electric soldering iron - Google Patents
Automatic-off infrared induction electric soldering iron Download PDFInfo
- Publication number
- CN105195848A CN105195848A CN201510728819.4A CN201510728819A CN105195848A CN 105195848 A CN105195848 A CN 105195848A CN 201510728819 A CN201510728819 A CN 201510728819A CN 105195848 A CN105195848 A CN 105195848A
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- China
- Prior art keywords
- electric iron
- connects
- delay
- diode
- relay
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- B23K3/08—Auxiliary devices therefor
Abstract
The invention relates to an automatic-off infrared induction electric soldering iron. The automatic-off infrared induction electric soldering iron comprises a handle (3), a soldering iron head (1), a power supply (7) and a control circuit (4), wherein the soldering iron head and the power supply are arranged on two ends of the handle (3), the control circuit is arranged inside the handle, and the electric soldering iron also comprises an infrared detection module (15) which is connected to the control circuit (4), the control circuit (4) comprises a delay power-off module and a constant-temperature control module (14), the constant-temperature control module (14) is connected to the power supply (7) and the soldering iron head (1) to form a heating loop, the delay power-off module is connected to the power supply (7), when the infrared detection module (15) detects that the electric soldering iron stays at an application state, the constant-temperature control module (14) controls the electric soldering iron to heat at a constant temperature, and when the electric soldering iron is detected to stay at a stop state, the delay power-off module controls the power supply (7) to be powered off after being delayed for a set time, and the heating is stopped. Compared with the prior art, the automatic-off infrared induction electric soldering iron has advantages of simple structure, stable performance, capability of being automatically switched off, long service life and the like.
Description
Technical field
The present invention relates to a kind of electric iron, especially relate to a kind of infrared induction automatic close-type electric iron.
Background technology
Electric iron, be that electronic production and electrical maintenance must instruments, main application is welding machine element and wire, and along with the development of electronics, microelectric technique, electric iron becomes a kind of universal maintenance tool already.But be just started to contact electric iron student or use electric iron engineers and technicians for a long time all can often forget to close electric iron power supply, time particularly leave laboratory in the evening, at this moment electric iron will open more than 8 hours.Will there is two large problems for traditional electric iron in this: first is that electric iron is opened for a long time when not using electric soldering bit aging phenomenon can be made very serious, service life serious curtailment; Second is forget after using to close electric iron when particularly user leaves, and this can leave great potential safety hazard, adds greatly because short circuit causes the risk of fire.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and a kind of infrared induction automatic close-type electric iron that automatically can stop according to the action of user is provided.
Object of the present invention can be achieved through the following technical solutions:
A kind of infrared induction automatic close-type electric iron, comprise handle, the control circuit of the solder horn at handle two ends and power supply and handle inner, this electric iron also comprises infrared detection module, and be connected to control circuit, described control circuit comprises delay cut-off module and thermostatic control module, described thermostatic control model calling power supply and solder horn form heating circuit, described delay cut-off model calling power supply, when infrared detection module detects that electric iron is using state, thermostatic control module controls electric iron heated at constant temperature, when detecting that electric iron is dead status, time delay power-off modular disconnects after controlling the power supply delay adjustments time, stop heating.
Described infrared detection module comprises the bar shaped infrared sensing switch that two are embedded in handle place, described infrared sensing switch is made up of multiple infrared photoelectric sensor, the practical state of electric iron is detected in real time by arranging infrared sensing switch, thus control circuit is controlled, at setting-up time internal cutting off power supply, stop heating.
Described control circuit also comprises switch S 1 and relay CL1, described switch S 1 one end connects power supply, the other end connects thermostatic control module, described relay CL1 input and output closing contact are parallel to described switch S 1 two ends, and described relay CL1 exports closing contact and also connects delay cut-off module;
When described infrared detection module detects that electric iron is using state, switch S 1 closes and the disconnection of relay CL1 output closing contact, switch S 1 connects heating circuit, when infrared detection module detects that electric iron is dead status, switch S 1 disconnects and the connection of relay CL1 output closing contact, relay CL1 connects heating circuit, after the delay cut-off module delay adjustments time, control relay CL1 exports closing contact disconnection, stop heating, relay CL1 is set, after switch S 1 is disconnected, electric iron connects heating circuit by relay CL1, continuous heating, can prevent electric iron from frequently opening or closing, extend the service life of electric iron.
Described delay cut-off module comprises mu balanced circuit and delay circuit, described mu balanced circuit input connects power supply, output connects delay circuit and provides galvanic current pressure, delay circuit automatic cut-off power after the delay adjustments time is set, reduces the risk causing fire because closedown forgotten by electric iron.
Described mu balanced circuit comprises transformer T, electric capacity C1, electric capacity C2, electric capacity C3, diode VD1 and voltage-stabiliser tube VD2, described transformer T former limit Same Name of Ends connects power supply one end by switch S 1, different name end connects the power supply other end, transformer T secondary Same Name of Ends connects electric capacity C1 one end, the electric capacity C1 other end connects diode VD1 anode, transformer T secondary different name end is by electric capacity C5 ground connection, described voltage-stabiliser tube VD2 anode connects diode VD1 anode, minus earth, described electric capacity C2 one end connects diode VD1 negative electrode, other end ground connection.
Described delay circuit comprises timer IC, resistance R1, resistance R2, resistance R3, resistance R4, electric capacity C3, triode Q1, diode VD4 and LED 1, the 1 pin ground connection of described timer IC, 2 pin are connected diode VD1 negative electrode with 6 pin by resistance R1, also by electric capacity C3 ground connection, 4 pin are connected diode VD1 negative electrode with 5 pin, 3 pin are by resistance R3 connecting triode Q1 base stage, triode Q1 grounded emitter, colelctor electrode is by resistance R3 connecting luminous diode LED1 negative electrode, LED 1 anode connects diode VD1 negative electrode, described diode VD4 anode connecting triode Q1 colelctor electrode, negative electrode connects VD1 negative electrode, resistance R4 is parallel to described diode VD4 two ends.
Described electric iron also comprises warning circuit, described warning circuit comprises diode VD5, time-delay relay CL2, electric capacity C4 and buzzer H1, described diode VD5 anode connects diode VD1 negative electrode, negative electrode connects time-delay relay CL2 and exports the first contact, time-delay relay CL2 exports the second contact by buzzer H1 ground connection, time-delay relay CL2 input is by electric capacity C4 ground connection, after the described timer IC timing setting time, relay CL2 connects rear second contact, warning circuit is set, after electric iron is closed, sends prompting sound.
Described thermostatic control module is thermocouple, carries out heated at constant temperature, can improve the stability of electric iron, avoids excessive temperature to burn out electric soldering bit.
Described setting-up time is 30 minutes.
Compared with prior art, the present invention has the following advantages:
(1) installation infrared photoelectric sensor switch on electric iron handle, when infrared photoelectric sensor detects that electric iron is dead status, time delay is after 30 minutes, automatically electric iron heating work state can be stopped, extend the service life of electric iron, reduce the risk causing fire because closedown forgotten by electric iron.
(2) thermostatic control module control electric iron is set and carries out heated at constant temperature, the stability of electric iron can be improved, avoid excessive temperature to burn out electric soldering bit.
(3) this electric iron arrangement system simple and durable, safety in utilization improves, and the charge is small, is convenient to batch production.
Accompanying drawing explanation
Fig. 1 is infrared induction automatic close-type structure of electric iron schematic diagram;
Fig. 2 is infrared induction automatic close-type electric iron control circuit schematic diagram;
Fig. 3 is infrared sensor structural representation;
Fig. 4 is infrared induction automatic close-type electric iron theory diagram.
In figure, 1 is solder horn, and 2 is infrared sensing switch, 3 is handle, and 4 is control circuit, and 5 is indicator lamp, 6 is buzzer, and 7 is power supply, and 8 is relay switch, 9 is transmitting terminal, and 10 is receiving terminal, and 11 is user's hand, 12 mu balanced circuits, 13 is delay circuit, and 14 is thermostatic control module, and 15 is infrared detection module.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Figure 1, a kind of infrared induction automatic close-type electric iron, comprise handle 3, the control circuit 4 of the solder horn 1 at handle 3 two ends and power supply 7 and handle 3 inside, this electric iron also comprises infrared detection module 15, and be connected to control circuit 4, described control circuit 4 comprises delay cut-off module and thermostatic control module 14, described thermostatic control module 14 connects power supply 7 and solder horn 1 forms heating circuit, described delay cut-off model calling power supply 7, when infrared detection block detects that electric iron is using state, then thermostatic control module 14 controls electric iron heated at constant temperature, when detecting that electric iron is dead status, then separated during delay cut-off module control power supply 7 delay adjustments, stop heating, in the present embodiment, setting-up time is 30 minutes.Electric iron handle 3 is also provided with indicator lamp 5 and buzzer 6 in addition, when electric iron heats, indicator lamp 5 is luminous, and when electric iron stops heating, indicator lamp 5 extinguishes, and buzzer 6 sends prompting sound simultaneously.
Wherein said power supply 7 is 220V AC power, described infrared detection module 15 comprises the bar shaped infrared sensing switch 2 that two are embedded in handle 3 place, described infrared sensing switch 2 is made up of multiple infrared photoelectric sensor, described infrared photoelectric sensor detects electric iron using state, and detection signal is sent to control circuit 4, the practical state of electric iron is detected in real time by arranging infrared sensing switch 2, thus control circuit 4 is controlled, at setting-up time internal cutting off power supply 7, stop heating.
As shown in Figure 2, described control circuit 4 also comprises switch S 1 and relay CL1, described switch S 1 one end connects power supply 7, the other end connects thermostatic control module 14, described relay CL1 input and output closing contact are parallel to described switch S 1 two ends, and described relay CL1 exports closing contact and also connects delay cut-off module, when described infrared detection module 15 detects that electric iron is using state, switch S 1 closes and the disconnection of relay CL1 output closing contact, switch S 1 connects heating circuit, when infrared detection module 15 detects that electric iron is dead status, switch S 1 disconnects and the connection of relay CL1 output closing contact, relay CL1 connects heating circuit, after the delay cut-off module delay adjustments time, control relay CL1 exports closing contact disconnection, stop heating, relay CL1 is set, after switch S 1 is disconnected, electric iron connects heating circuit by relay CL1, continuous heating, can prevent electric iron from frequently opening or closing, extend the service life of electric iron.
Wherein said constant temperature operational module is thermocouple, and described delay cut-off module comprises mu balanced circuit 12 and delay circuit 13, and described mu balanced circuit 12 input connects power supply 7, and output connects delay circuit 13 and provides galvanic current pressure.Wherein said mu balanced circuit 12 comprises transformer T, electric capacity C1, electric capacity C2, electric capacity C3, diode VD1 and voltage-stabiliser tube VD2, described transformer T former limit Same Name of Ends connects power supply 7 one end by switch S 1, different name end connects power supply 7 other end, transformer T secondary Same Name of Ends connects electric capacity C1 one end, the electric capacity C1 other end connects diode VD1 anode, transformer T secondary different name end is by electric capacity C5 ground connection, described voltage-stabiliser tube VD2 anode connects diode VD1 anode, minus earth, described electric capacity C2 one end connects diode VD1 negative electrode, other end ground connection.Described delay circuit 13 comprises timer IC, resistance R1, resistance R2, resistance R3, resistance R4, electric capacity C3, triode Q1, diode VD4 and LED 1, the 1 pin ground connection of described timer IC, 2 pin are connected diode VD1 negative electrode with 6 pin by resistance R1, also by electric capacity C3 ground connection, 4 pin are connected diode VD1 negative electrode with 5 pin, 3 pin are by resistance R3 connecting triode Q1 base stage, triode Q1 grounded emitter, colelctor electrode is by resistance R3 connecting luminous diode LED1 negative electrode, LED 1 anode connects diode VD1 negative electrode, described diode VD4 anode connecting triode Q1 colelctor electrode, negative electrode connects VD1 negative electrode, resistance R4 is parallel to described diode VD4 two ends, wherein LED 1 is the indicator lamp 5 on handle 3.Described electric iron also comprises warning circuit, and described warning circuit comprises diode VD5, time-delay relay CL2, electric capacity C4 and buzzer H1, and wherein buzzer H1 is the buzzer 6 on handle 3.Described diode VD5 anode connects diode VD1 negative electrode, negative electrode connects time-delay relay CL2 and exports the first contact, time-delay relay CL2 exports the second contact by buzzer H1 ground connection, time-delay relay CL2 input is by electric capacity C4 ground connection, after the described timer IC timing setting time, relay CL2 connects rear second contact, and described setting-up time is 30 minutes.
As shown in Figure 3, single infrared photoelectric sensor RPR transmitting terminal 9 launches infrared light, and receiving terminal 10 accepts the infrared light of reflection.The infrared electro inductive switch of bar shaped is exactly that the single infrared photoelectric sensor distributed by multiple spot forms, and when detecting that user's hand 11 holds electric iron, reflection end is reflected back infrared light, and switch S 1 is in closed condition.When can't detect user's hand 11, reflection end does not receive the infrared light that reflection end is reflected back, and switch S 1 is in open mode.
As shown in Figure 4, for this electric iron operation principle block diagram, power supply 7 is divided into two-way for 220V AC power, one tunnel connects solder horn 1 and drives electric iron to heat, control its constant temperature work by thermostatic control module 14 simultaneously, one tunnel is through mu balanced circuit 12 for delay circuit 13 provides dc source, and delay circuit 13 controls delay circuit 13 according to the testing result of infrared detection module 15 and works, thus stops the heating to solder horn 1.Its specific works process is specially: as shown in Figure 2, and time-delay relay CL2 original position is positioned at 3 contacts, and relay CL1 original position is positioned at 2 contacts.Infrared sensing switch 2 utilizes infrared photoelectric sensor to detect user's service condition, when detecting that user's hand 11 holds electric iron handle 3, the infrared light that infrared electro inductive pick-up transmitting terminal sends arrives staff and is reflected back, the infrared light reflected is received by receiving terminal, switch S 1 is closed, electric iron and transformer T obtain 220V AC power by S1, and thermostatic control module 14 controls electric iron heated at constant temperature, and timer IC resets.When user's hand 11 leaves electric iron handle 3, switch S 1 disconnects, now relay CL1 adhesive and 1 contact conducting, and electric iron and step-down transformer obtain 220V AC power by relay CL1; Timer IC starts timework, and electric iron passes through time delay module continuous heating 30 minutes.In delay time 30 minutes, the bright expression electric iron of LED 1 i.e. indicator lamp 5 is in heated condition, and electric capacity C4 charges.Delay time is after 30 minutes, and triode Q ends, and relay CL1 discharges and connects with contact 2, and electric iron and transformer T can not obtain 220V AC power, and electric iron is in off state.Time-delay relay CL2 discharges and 4 contact conductings, and whether electric capacity C4 electric discharge makes buzzer H1 sound to remind user to determine to close electric iron, and buzzer H1 sends the prompting sound time and is about 30 seconds.If user reused electric iron within 30 minutes, infrared photoelectric sensor detects that user's hand 11 holds electric iron handle 3, switch S 1 closes, relay CL1 is reduced and is connected with 2 contacts in initial position, relay CL2 is reduced and is connected with 3 contacts in initial position, and timer IC is reset again.Now electric iron and transformer T1 continue through switch S 1 and obtain 220V AC power and work on.
This electric iron can utilize infrared photoelectric sensor to detect the using state of user, the heating work of automatic termination electric iron, and after user leaves, extend the heat time of electric iron thus avoid erroneous judgement, this measure not only extends the service life of electric iron, the more important thing is the safety in utilization improving electric iron, reduce because electric iron forgets to close and cause fire probability.Along with the development of electronic industry, Scientific Research in University Laboratory particularly begins to learn the concentrated laboratory of classmate, factory floor, practice base, the demand of various occasion to electric iron such as family constantly increases, and this cost is low, use safety, can reduce the risk because forgetting to close electric iron and initiation fire, service life, longer infrared induction automatic close-type electric iron had very wide application prospect, was applicable to large batch of production and application.
Claims (9)
1. an infrared induction automatic close-type electric iron, comprise handle (3), the control circuit (4) of the solder horn (1) at handle (3) two ends and power supply (7) and handle (3) inside, it is characterized in that, this electric iron also comprises infrared detection module (15), and be connected to control circuit (4), described control circuit (4) comprises delay cut-off module and thermostatic control module (14), described thermostatic control module (14) connects power supply (7) and solder horn (1) forms heating circuit, described delay cut-off model calling power supply (7), when infrared detection module (15) detects that electric iron is using state, thermostatic control module (14) controls electric iron heated at constant temperature, when detecting that electric iron is dead status, time delay power-off modular disconnects after controlling power supply (7) the delay adjustments time, stop heating.
2. a kind of infrared induction automatic close-type electric iron according to claim 1, it is characterized in that, described infrared detection module (15) comprises the bar shaped infrared sensing switch (2) that two are embedded in handle (3) place, and described infrared sensing switch (2) is made up of multiple infrared photoelectric sensor.
3. a kind of infrared induction automatic close-type electric iron according to claim 1, it is characterized in that, described control circuit (4) also comprises switch S 1 and relay CL1, described switch S 1 one end connects power supply (7), the other end connects thermostatic control module (14), described relay CL1 input and output closing contact are parallel to described switch S 1 two ends, and described relay CL1 exports closing contact and also connects delay cut-off module;
When described infrared detection module (15) detects that electric iron is using state, switch S 1 closes and the disconnection of relay CL1 output closing contact, switch S 1 connects heating circuit, when infrared detection module (15) detects that electric iron is dead status, switch S 1 disconnects and the connection of relay CL1 output closing contact, relay CL1 connects heating circuit, after the delay cut-off module delay adjustments time, control relay CL1 exports closing contact disconnection, stops heating.
4. a kind of infrared induction automatic close-type electric iron according to claim 3, it is characterized in that, described delay cut-off module comprises mu balanced circuit (12) and delay circuit (13), described mu balanced circuit (12) input connects power supply (7), and output connects delay circuit (13) and provides galvanic current pressure.
5. a kind of infrared induction automatic close-type electric iron according to claim 4, it is characterized in that, described mu balanced circuit (12) comprises transformer T, electric capacity C1, electric capacity C2, electric capacity C3, diode VD1 and voltage-stabiliser tube VD2, described transformer T former limit Same Name of Ends connects power supply (7) one end by switch S 1, different name end connects power supply (7) other end, transformer T secondary Same Name of Ends connects electric capacity C1 one end, the electric capacity C1 other end connects diode VD1 anode, transformer T secondary different name end is by electric capacity C5 ground connection, described voltage-stabiliser tube VD2 anode connects diode VD1 anode, minus earth, described electric capacity C2 one end connects diode VD1 negative electrode, other end ground connection.
6. a kind of infrared induction automatic close-type electric iron according to claim 5, it is characterized in that, described delay circuit (13) comprises timer IC, resistance R1, resistance R2, resistance R3, resistance R4, electric capacity C3, triode Q1, diode VD4 and LED 1, the 1 pin ground connection of described timer IC, 2 pin are connected diode VD1 negative electrode with 6 pin by resistance R1, also by electric capacity C3 ground connection, 4 pin are connected diode VD1 negative electrode with 5 pin, 3 pin are by resistance R3 connecting triode Q1 base stage, triode Q1 grounded emitter, colelctor electrode is by resistance R3 connecting luminous diode LED1 negative electrode, LED 1 anode connects diode VD1 negative electrode, described diode VD4 anode connecting triode Q1 colelctor electrode, negative electrode connects VD1 negative electrode, resistance R4 is parallel to described diode VD4 two ends.
7. a kind of infrared induction automatic close-type electric iron according to claim 6, it is characterized in that, described electric iron also comprises warning circuit, described warning circuit comprises diode VD5, time-delay relay CL2, electric capacity C4 and buzzer H1, described diode VD5 anode connects diode VD1 negative electrode, negative electrode connects time-delay relay CL2 and exports the first contact, time-delay relay CL2 exports the second contact by buzzer H1 ground connection, time-delay relay CL2 input is by electric capacity C4 ground connection, after the described timer IC timing setting time, relay CL2 connects rear second contact.
8. a kind of infrared induction automatic close-type electric iron according to claim 1, is characterized in that, described thermostatic control module (14) is thermocouple.
9. a kind of infrared induction automatic close-type electric iron according to any one of claim 1 ~ 8, it is characterized in that, described setting-up time is 30 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510728819.4A CN105195848B (en) | 2015-10-30 | 2015-10-30 | Automatic-off infrared induction electric soldering iron |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510728819.4A CN105195848B (en) | 2015-10-30 | 2015-10-30 | Automatic-off infrared induction electric soldering iron |
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| CN105195848A true CN105195848A (en) | 2015-12-30 |
| CN105195848B CN105195848B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510728819.4A Expired - Fee Related CN105195848B (en) | 2015-10-30 | 2015-10-30 | Automatic-off infrared induction electric soldering iron |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728882A (en) * | 2016-05-03 | 2016-07-06 | 河南师范大学 | Regular temperature regulating and disconnecting device of electric soldering iron |
| CN105750678A (en) * | 2016-03-31 | 2016-07-13 | 周云侠 | Electric soldering iron power controller capable of detecting presence of human body |
| CN106180950A (en) * | 2016-08-12 | 2016-12-07 | 柳州鹏达科技有限责任公司 | Electric cautery |
| CN109365946A (en) * | 2018-11-26 | 2019-02-22 | 厦门海洋职业技术学院 | A kind of constant-temperature soldering station with data acquisition function |
| CN111644722A (en) * | 2020-06-30 | 2020-09-11 | 深圳创维－Rgb电子有限公司 | Power supply circuit and device for electric soldering iron |
| US20220288711A1 (en) * | 2018-04-02 | 2022-09-15 | Apex Brands, Inc. | Intelligent soldering tip |
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| US20220288711A1 (en) * | 2018-04-02 | 2022-09-15 | Apex Brands, Inc. | Intelligent soldering tip |
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| CN109365946A (en) * | 2018-11-26 | 2019-02-22 | 厦门海洋职业技术学院 | A kind of constant-temperature soldering station with data acquisition function |
| CN109365946B (en) * | 2018-11-26 | 2024-03-15 | 厦门海洋职业技术学院 | Constant temperature welding table with data acquisition function |
| CN111644722A (en) * | 2020-06-30 | 2020-09-11 | 深圳创维－Rgb电子有限公司 | Power supply circuit and device for electric soldering iron |
| CN111644722B (en) * | 2020-06-30 | 2022-05-20 | 深圳创维－Rgb电子有限公司 | Power supply circuit and device for electric soldering iron |
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|---|---|
| CN105195848B (en) | 2017-04-12 |
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