CN201033383Y - Energy-saving electric iron - Google Patents
Energy-saving electric iron Download PDFInfo
- Publication number
- CN201033383Y CN201033383Y CNU2007200399515U CN200720039951U CN201033383Y CN 201033383 Y CN201033383 Y CN 201033383Y CN U2007200399515 U CNU2007200399515 U CN U2007200399515U CN 200720039951 U CN200720039951 U CN 200720039951U CN 201033383 Y CN201033383 Y CN 201033383Y
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- delay circuit
- bidirectional triode
- electric
- triode thyristor
- time
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Abstract
The utility model relates to an electric soldering iron, in particular to an energy-saving electric soldering iron, comprising an electrothermal assembly, which is characterized in that a timing switch connected in series in a power supply loop of the electrothermal assembly comprises a time delay circuit and a bidirectional triode thyristor; a start switch is arranged in the time delay circuit; the bidirectional triode thyristor is connected in series in the power supply loop of the electrothermal assembly and the time delay output end of the time delay circuit is connected with the trigger control terminal of the bidirectional triode thyristor. The utility model controls the start of the time delay circuit by the start switch and controls the break-over time of the thyristor by the time delay circuit so as to limit the normal operating time of the electric soldering iron. After the break-over time, the bidirectional triode thyristor is automatically cut off, the electric soldering iron is stopped working, and the electric soldering iron can be restarted only by starting the time delay circuit again. The utility model has the advantages of avoiding ineffective power consumption of the electric soldering iron and increasing safety factor of the electric soldering iron.
Description
Technical field
The utility model relates to a kind of electric iron, especially a kind of energy-saving electric iron.
Background technology
Present known electric iron includes electric-heating assembly, handle and dismountable solder horn and is connected, and after electric-heating assembly was connected power supply, electric-heating assembly began heating, and preheating just can directly be used after reaching uniform temperature.Usually before welding does not finish, all can keep the state of electric iron heating power, use with convenient.Therefore, in the process of welding power consumption bigger, long more power consumption of operating time is just big more.If the operator not only can cause a large amount of waste of electric energy, and probably burn out the utensil of operating room in case carelessness is not cut off the electricity supply behind the end of operation, even initiation fire.
Summary of the invention
The purpose of this utility model is to provide a kind of energy-conservation, safe energy-saving electric iron.
The utility model is realized by the following technical solutions: a kind of energy-saving electric iron, comprise electric-heating assembly, and it is characterized in that being in series with time switch in the described electric-heating assembly electric power loop.Time switch is made of a delay circuit and bidirectional triode thyristor, is provided with a starting switch in the delay circuit, and bidirectional triode thyristor is connected in the electric-heating assembly electric power loop, and the time-delay output of delay circuit is connected with the The Trigger of Bidirectional Triode Thyristor control end.Starting switch is a press button, and press button is arranged on the electric iron handle and exposes.Delay circuit utilizes its time-delay characteristics, and the ON time of control bidirectional triode thyristor is realized the control to electric-heating assembly electric power loop ON time.
Of the present utility modelly further be set to: delay circuit is the type that the manually starts 555 monostable time delay circuit that are made of 555 time base circuits and external circuit.Perhaps be: delay circuit is to be the control core delay circuit by a single-chip microcomputer and timing routine.
The utility model is by the startup of switch control delay circuit, by delay circuit control bidirectional triode thyristor ON time, thereby limit the normal working hours of electric iron, through behind the ON time, the bidirectional triode thyristor automatic cut-off, electric iron quits work, if will reuse electric iron, only need restart delay circuit and get final product, said structure has been avoided the ineffective power consumption of electric iron, has improved the electric iron safety coefficient.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model embodiment energy-saving electric iron;
Fig. 2 is the physical circuit figure among the utility model embodiment 1;
Fig. 3 is the physical circuit figure among the utility model embodiment 2;
The specific embodiment
With reference to figure 1, the chien shih time-delay mechanism exports triggering signal to bidirectional triode thyristor X when setting one in time-delay mechanism, bidirectional triode thyristor X conducting, the electric power loop conducting of electric-heating assembly, the electric-heating assembly heating, after the time of setting, triggering signal disappears, bidirectional triode thyristor X ends, the electric power loop of electric-heating assembly disconnects, when practical application, a manual press button is set in time-delay mechanism controls the triggering signal output that starts delay circuit, press button is arranged on the electric iron handle and exposes.
Specific embodiment one
A kind of conventional structure that manually starts type 555 monostable time delay circuit as shown in Figure 2, positive source among Fig. 2 and with the input of rectifying and voltage-stabilizing filter circuit between be connected a capacitor C 1, commutation diode D1, Zener diode VD and capacitor C 2 constitute the rectifying and voltage-stabilizing filter circuit, the output of rectifying and voltage-stabilizing filter circuit is connected with 4 pin with 8 pin of 555 chips respectively, variable resistor R2 is connected with the output of rectifying and voltage-stabilizing filter circuit with reduction voltage circuit one end that resistance R 1 is composed in series, one end is connected with 2 pin of 555 chips, 2 pin, 5 pin and 6 pin are with being connected to a contact S, contact S is connected with capacitor C 4, switch SW-PB is connected with 2 pin, 2 pin also are connected with capacitor C 3 simultaneously, switch SW-PB, capacitor C 3,1 pin of capacitor C 4 and 555 chips is ground connection all, and 3 pin are connected with the trigger control end of bidirectional triode thyristor X.As long as the current potential of 2 pin is lower than 1/3VDD, there promptly have triggering signal to add to be fashionable, and must make output 3 pin is high level; And when the current potential of 6 pin is higher than 2/3VDD, when promptly having triggering signal to add, and when simultaneously the current potential of 2 pin is higher than 1/3VDD, just can make output 3 pin that low level output is arranged.
When switch SW-PB is in off-state, voltage signal is by after the step-down of capacitor C 1, pass through Zener diode VD voltage stabilizing again respectively, commutation diode D1 rectification and capacitor C 2 filtering, export the voltage voltage signal after handling to 555 chips, give capacitor C 3 chargings after this voltage signal process variable resistor R2 and the dropping resistor R1 step-down, capacitor C 3 is full of, therefore the pressure drop at variable resistor R2 and dropping resistor R1 series circuit two ends is 0, the current potential of 2 pin is that VDD is higher than 1/3VDD, the current potential of 6 pin is that VDD is higher than 2/3VDD, so output 3 pin output low levels.Delay circuit is in stable state.
When switch SW-PB closed moment, capacitor C 3 is discharged to 0 immediately, simultaneously to capacitor C 4 chargings, current potential moment of 2 pin this moment drops to 0 and is lower than 1/3VDD, output 3 pin output high level, when switch SW-PB disconnects, capacitor C 3 chargings, capacitor C 4 discharge, the current potential of 2 pin and 6 pin slowly raises, when the current potential of 2 pin is higher than 1/3VDD, and when the current potential of 6 pin is higher than 2/3VDD, output 3 pin are output low level, and the state of exporting high level at output 3 pin is temporary stable state, and that stable state continues temporarily is time T=1.1 (R1+R2) * C3.Therefore can come regularly by the resistance of adjusting variable resistor R2.
Specific embodiment two
With reference to figure 3, with singlechip chip and timing routine is the delay circuit at center, positive source and with the input of rectifying and voltage-stabilizing filter circuit between be connected a capacitor C 1, commutation diode D1, Zener diode VD and capacitor C 2 constitute the rectifying and voltage-stabilizing filter circuit, the output of rectifying and voltage-stabilizing filter circuit is connected with the input of singlechip chip after connecting a dropping resistor R3, the output of rectifying and voltage-stabilizing filter circuit is connected with the power input of singlechip chip, ground connection behind switch SW-PB of input connection of singlechip chip, the output of singlechip chip is connected with the trigger control end of bidirectional triode thyristor X.
Voltage signal is by after the step-down of capacitor C 1, pass through Zener diode VD voltage stabilizing again respectively, commutation diode D1 rectification and C2 filtering, voltage is after treatment powered to singlechip chip, simultaneously through after the dropping resistor R3 step-down, for the input of singlechip chip provides voltage signal.When switch SW-PB is in off-state, the input input high level of singlechip chip, output low level; When switch SW-PB is in closure state, the input input low level of singlechip chip, output high level.The duration of high level output is determined by singlechip chip.Can set different timing routines to singlechip chip and finish the function of regularly exporting high level.The general employing of single-chip microcomputer 6 or 8 pin.
Claims (5)
1. an energy-saving electric iron comprises electric-heating assembly, it is characterized in that being in series with time switch in the described electric-heating assembly electric power loop.
2. according to the described energy-saving electric iron of claim 1, it is characterized in that described time switch is made of a delay circuit and bidirectional triode thyristor, be provided with a starting switch in the delay circuit, bidirectional triode thyristor is connected in the electric-heating assembly electric power loop, and the time-delay output of delay circuit is connected with the The Trigger of Bidirectional Triode Thyristor control end.
3. according to the described energy-saving electric iron of claim 2, it is characterized in that delay circuit is the type that the manually starts 555 monostable time delay circuit that are made of 555 time base circuits and external circuit.
4. according to the described energy-saving electric iron of claim 2, it is characterized in that delay circuit is is the control core delay circuit by a single-chip microcomputer and timing routine.
5. according to claim 3 or 4 described energy-saving electric irons, it is characterized in that described starting switch is a press button, press button is arranged on the electric iron handle and exposes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200399515U CN201033383Y (en) | 2007-06-05 | 2007-06-05 | Energy-saving electric iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200399515U CN201033383Y (en) | 2007-06-05 | 2007-06-05 | Energy-saving electric iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201033383Y true CN201033383Y (en) | 2008-03-12 |
Family
ID=39194276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200399515U Expired - Fee Related CN201033383Y (en) | 2007-06-05 | 2007-06-05 | Energy-saving electric iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201033383Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829826B (en) * | 2010-05-14 | 2012-11-14 | 惠州Tcl移动通信有限公司 | Manual welding reminding device for soldering iron |
| CN104102159A (en) * | 2014-07-22 | 2014-10-15 | 中国兵器工业集团第二一四研究所苏州研发中心 | Controllable silicon delay trigger circuit with binding 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 |
-
2007
- 2007-06-05 CN CNU2007200399515U patent/CN201033383Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829826B (en) * | 2010-05-14 | 2012-11-14 | 惠州Tcl移动通信有限公司 | Manual welding reminding device for soldering iron |
| CN104102159A (en) * | 2014-07-22 | 2014-10-15 | 中国兵器工业集团第二一四研究所苏州研发中心 | Controllable silicon delay trigger circuit with binding 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 Termination date: 20110605 |