CN206296551U - A kind of electric iron for automatically powering off - Google Patents
A kind of electric iron for automatically powering off Download PDFInfo
- Publication number
- CN206296551U CN206296551U CN201621380339.XU CN201621380339U CN206296551U CN 206296551 U CN206296551 U CN 206296551U CN 201621380339 U CN201621380339 U CN 201621380339U CN 206296551 U CN206296551 U CN 206296551U
- Authority
- CN
- China
- Prior art keywords
- timing
- circuit
- electric iron
- switch
- timing circuit
- Prior art date
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of electric iron for automatically powering off, the electric iron includes：Trigger switch, reseting switch circuit, timing circuit and break-make switching circuit；Trigger switch is connected to control start and stop with timing circuit；Timing circuit is connected with break-make switching circuit, and timing is carried out for the closure duration to trigger switch, and changes the original levels exported to break-make switching circuit when timing reaches setting duration；Break-make switching circuit, the power supply for cutting off electric iron when the change of level is received；Reseting switch circuit is connected with timing circuit, for exporting reset signal to timing circuit so that timing circuit recovers original levels and resets timing.Start timing in electric iron break-off, when timing reaches for electric iron is powered off, the tool that the empty burning of electric iron causes is damaged and disaster hidden-trouble is preferably minimized, while solving the problems, such as the electric iron problem of oxidation and waste of energy for burning the solder horn for bringing empty for a long time.
Description
Technical field
The utility model is related to electronic technology field, more particularly to a kind of electric iron for automatically powering off.
Background technology
Modern electronic technology plays huge in the fields such as national defence, science, industry, medical science, communication and culture life
Effect.Electric iron is the indispensable instrument in the manufacture and electrical maintenance of electronic product.
During electronic production and electrical maintenance, because the operation such as the angle of adjustment welding object, replacing welding object,
Electric iron suffers from intermittently used feature under most usage scenarios, and in order to shorten the preheating time during use,
Typically all no matter use state how all can continuous heating, maintain empty burning state in intermittent phase for using.Due to electric iron
Temperature is very high, it is easy to the problem for occurring scorching tool and circuit, if especially causing electric leakage, consequence with 220V electrical power contacts by mistake
It is very serious, there is certain potential safety hazard；If simultaneously using being powered off not in time after terminating, electric soldering bit is easy to oxidizing blackening,
Influence is normally used, and reduces the service life of electric iron, or even pollute solder joint in welding；And electric iron is empty for a long time
Burn, also bring along the waste of electric energy.
Utility model content
The utility model provides a kind of electric iron for automatically powering off, and solves electric iron in the prior art and is using process
In the defect that power-up state cannot be controlled.
To realize above-mentioned design, the utility model uses following technical scheme：
A kind of electric iron for automatically powering off, including：Trigger switch, reseting switch circuit, timing circuit and break-make switching electricity
Road；
The trigger switch is connected with the start-up and shut-down control end of the timing circuit, the unlatching for controlling the timing circuit
Or close, the timing circuit is used to carry out timing to the closure duration of the trigger switch；
The signal output part of the timing circuit is connected with the controlled end of the break-make switching circuit, and is reached in timing and set
Change the original levels exported to the break-make switching circuit when regularly long；
The break-make switching circuit is series between the heating wire of power supply and the electric iron, for receiving the electricity
The power supply and heating wire are cut off during flat change；
The reseting switch circuit is connected with the replacement port of the timing circuit, for multiple to timing circuit output
Position signal is so that the timing circuit recovers original levels and resets timing.
Wherein, also including time adjustment circuit, the time adjustment circuit is connected with the timing circuit, for adjusting
State setting duration.
Wherein, the first end of the trigger switch is connected with the threshold value port and triggering port of the timing circuit, institute
State the second end ground connection of trigger switch.
Wherein, the reseting switch circuit includes first switch S2, electric capacity C2 and resistance R3；The one of the first switch S2
End, the negative pole of electric capacity C2 are grounded, the positive pole of the other end of the first switch S2 and the electric capacity C2, one end of resistance R3,
The replacement port of timing circuit is connected；The other end of the resistance R3 accesses+5V power supplys.
Wherein, the time adjustment circuit includes electric capacity C1, rheostat R1 and resistance R2；The negative pole of the electric capacity C1 connects
Ground, the positive pole of the electric capacity C1 is connected with one end of the rheostat R1, the other end of the rheostat R1 and the resistance R2
One end be connected, the other end of the resistance R2 accesses+5V power supplys.
Wherein, the break-make switching circuit includes resistance R4, metal-oxide-semiconductor Q1, diode D1, double-pole single throw K1 and lights
Diode D2；One end of the resistance R4 is connected with incoming level with the timing circuit, the other end of the resistance R4 and institute
The grid for stating metal-oxide-semiconductor Q1 is connected；One end, two of the relay in the source electrode of the metal-oxide-semiconductor Q1 and the double-pole single throw K1
The positive pole of pole pipe D1 is connected；The grounded drain of the MOS pipes Q1；The negative pole of the diode D1, the other end of relay connect
Enter+12V power supplys；One two ends of switching channels of the double-pole single throw K1 respectively with the two ends of the light emitting diode D2
It is connected；The two ends of another switching channels of the double-pole single throw K1 are connected in series to the power line of the electric iron.
Wherein, the timing circuit includes timer U1 and electric capacity C3；The control voltage end of the timer U1 with it is described
One end of electric capacity C3 is connected, the other end ground connection of the electric capacity C3.
Wherein, the light emitting diode D2 is green LED.
Wherein, the electric iron includes connected handle and solder horn, under the upper end of the solder horn and the handle
End is connected and forms step surface in the lower end of the handle, and the trigger switch is arranged at the step surface.
Wherein, the step surface is annular step surface, and the trigger switch is ring switch.
The beneficial effects of the utility model are：For electric iron increases trigger switch, reseting switch circuit, timing circuit and leads to
Disconnected switching circuit；Trigger switch is connected with the start-up and shut-down control end of timing circuit, unlatching or pass for controlling the timing circuit
Close；The signal output part of timing circuit is connected with the controlled end of the break-make switching circuit, during for closure to trigger switch
Length carries out timing, and changes the original levels exported to break-make switching circuit when timing reaches setting duration；Break-make switching electricity
Road is series between the heating wire of power supply and the electric iron, for cutting off the power supply when the change of the level is received
And heating wire；The reseting switch circuit is connected with the replacement port of the timing circuit, for being exported to the timing circuit
Reset signal is so that the timing circuit recovers original levels and resets timing.Start timing in electric iron break-off,
When timing reaches for electric iron is powered off, the tool that the empty burning of electric iron causes is damaged and disaster hidden-trouble is preferably minimized, while solution
Certainly electric iron long-time sky burns the problem of oxidation and waste of energy problem of the solder horn for bringing.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the utility model embodiment, below will be to the utility model embodiment
The accompanying drawing to be used needed for description is briefly described, it should be apparent that, drawings in the following description are only new this practicality
Some embodiments of type, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to the content and these accompanying drawings of the utility model embodiment.
Fig. 1 is a kind of logic control chart of electric iron for automatically powering off of offer in the utility model specific embodiment；
Fig. 2 is a kind of circuit theory diagrams of electric iron for automatically powering off of offer in the utility model specific embodiment；
Fig. 3 A are a kind of structural representations of electric iron for automatically powering off of offer in the utility model specific embodiment；
Fig. 3 B are the partial enlarged drawings at A in Fig. 3 A；
Fig. 3 C are the state diagrams that electric iron is put into solder iron bracket.
Specific embodiment
Further to illustrate that the utility model is to reach technological means and effect that predetermined utility model purpose is taken,
Below in conjunction with accompanying drawing and preferred embodiment, to foundation the utility model proposes the electric iron for automatically powering off specific embodiment party
Formula, structure, feature and its effect, describe in detail as after.
Fig. 1 to Fig. 3 C is refer to, Fig. 1 is that a kind of electricity for automatically powering off of offer in the utility model specific embodiment is ironed
The logic control chart of iron；Fig. 2 is a kind of circuit of electric iron for automatically powering off of offer in the utility model specific embodiment
Schematic diagram；Fig. 3 A are a kind of structural representations of electric iron for automatically powering off of offer in the utility model specific embodiment；
Fig. 3 B are the partial enlarged drawings at A in Fig. 3 A；Fig. 3 C are the state diagrams that electric iron is put into solder iron bracket.
The electric iron for automatically powering off that the utility model is provided, including trigger switch S1, reseting switch circuit 16, timing electricity
Road 14 and break-make switching circuit 15.As shown in figure 1, trigger switch S1 is connected with the start-up and shut-down control end of timing circuit 14, for controlling
Timing circuit processed is turned on and off, and the timing circuit 14 is used to carry out timing, timing to the closure duration of trigger switch S1
The signal output part of circuit 14 is connected with the controlled end of break-make switching circuit 15, and changes to logical when timing reaches setting duration
The original levels of the disconnected output of switching circuit 15；Break-make switching circuit 15 is series between power supply 17 and the heating wire 18 of electric iron,
For 17 and the heating wire 18 of being cut off the electricity supply when the change of level is received；The replacement of reseting switch circuit 16 and timing circuit 14
Port is connected, for exporting reset signal to timing circuit 14 so that timing circuit 14 recovers original levels and resets timing.
The circuit theory of the electric iron and working mechanism are illustrated further combined with Fig. 2 in the present embodiment.Such as Fig. 2 institutes
Show, the first end of the trigger switch S1 in the present embodiment and the threshold value port (THR) of timing circuit 14 and triggering port
(TRIG) it is connected, the second end ground connection of trigger switch S1.
Wherein, reseting switch circuit 16 includes first switch S2, electric capacity C2 and resistance R3；One end of first switch S2, electricity
The negative pole for holding C2 is grounded, the other end of first switch S2 and the positive pole of electric capacity C2, one end of resistance R3, the weight of timing circuit 14
Port is put to be connected；The other end of resistance R3 accesses+5V power supplys.
Wherein, also including time adjustment circuit 13, time adjustment circuit 13 is connected with timing circuit 14, is set for adjusting
Duration.Specifically, time adjustment circuit 13 includes electric capacity C1, rheostat R1 and resistance R2；The negative pole ground connection of electric capacity C1, electric capacity
The positive pole of C1 is connected with one end of rheostat R1, and the other end of rheostat R1 is connected with one end of resistance R2, and resistance R2's is another
Terminate into+5V power supplys.
Specifically, timing circuit 14 includes timer U1 and electric capacity C3；The control voltage end of timer U1 is with electric capacity C3's
One end is connected, and the other end ground connection of electric capacity C3, timer U1 can select conventional timing chip, such as core of model 555
Piece.
Wherein, break-make switching circuit 15 includes resistance R4, metal-oxide-semiconductor Q1, diode D1, double-pole single throw K1 and lights
Diode D2；One end of resistance R4 is connected to access level, the other end of resistance R4 and the grid of metal-oxide-semiconductor Q1 with timing circuit 14
It is connected；The source electrode of metal-oxide-semiconductor Q1 is connected with one end of the relay in double-pole single throw K1, the positive pole of diode D1；Metal-oxide-semiconductor Q1
Grounded drain；The negative pole of diode D1, the other end of relay access+12V power supplys；One of double-pole single throw K1 opens
Two ends of the two ends of passage respectively with light emitting diode D2 are closed to be connected；The two ends of another switching channels of double-pole single throw K1
It is connected in series to the power line of electric iron 1.Light emitting diode D2 therein is preferably green LED.
Timing circuit 14 uses 555 timing chips, and break-make switching circuit 15 carries out circuit using 12V 220V relays
Shut-off, 555 timers use the input of 5V voltages.
As shown in Figure 3A, electric iron 1 generally comprises handle 12 and solder horn 11, in this programme, the upper end of solder horn 11
It is connected with the lower end of handle 12 and forms step surface in the lower end of handle 12, the triggering button S11 of trigger switch is arranged at step
Face.In addition, as shown in Figure 3 B, step surface could be arranged to annular step surface, corresponding, triggering button is annular button.In electricity
During the normal use of flatiron 1, green LED can be lighted always, and timer U1 does not do timing, export low level, when
, it is necessary to when the handle 12 of electric iron 1 is put into solder iron bracket 2, touch triggering and open when needing switching electric iron use state
S1 is closed, timing circuit 14 is started working, and electric iron as shown in Figure 3 A and Figure 3 B, trigger switch S1 is arranged at the lower end of handle 12
Face, while trigger switch S1 selects normal open switch, when electric iron 1 is put into solder iron bracket 2, shows shape as shown in Figure 3 C
State, under the collective effect of the holding power of the gravity and solder iron bracket 2 of electric iron 1, trigger switch S1 is pressurized and closes.Work as timing
Device U1 starts timing, and the time of time delay is set as needed by the resistance of standardsizing rheostat R1, that is, sets duration, when
Setting duration T, timer U1 output high level is reached, the relay in double-pole single throw K1, relay are started by metal-oxide-semiconductor Q1
Device becomes normally opened by normally closed, cuts off the power supply of electric iron 1, so as to realize the function of automatic time delay shut-off, while cutting off green hair
The power supply of optical diode, shows that electric iron 1 does not currently go up electricity.Such that it is able to the empty tool for causing that burns of electric iron 1 is damaged and fire
Calamity hidden danger is preferably minimized, while solve the problem of oxidation and waste of energy for burning the solder horn 11 for bringing empty for a long time of electric iron 1 asking
Topic.Before timing reaches setting duration, electric iron 1 is picked up from solder iron bracket 2, and trigger switch S1 recovers off-state, timing
Circuit 14 stops timing, and timing resets, and until electric iron 1 is put into solder iron bracket 2 next time, starts the timing of a new round.If meter
When reach setting duration before do not pick up electric iron 1, timing circuit 14 will be changed by level and disconnect heating wire 18 and power supply
17, when electric iron 1 is reused after reaching setting duration, by reseting switch circuit, reset signal is sent to timing circuit 14,
So that timing circuit 14 original timing reset, and again through level change turn on break-make switching circuit 15, power supply 17 to
Heating wire 18 is powered, and when being needed to use after electric iron 1 is automatically powered off, can easily recover power-up state.
The size that duration T is set in the present embodiment is mainly controlled by the resistance of standardsizing rheostat R1, and T (s)=
1.1* (R1+R2) * C1, wherein R2=2M Ω and electric capacity C1=470uF, R1 using 1M Ω potentiometer, reference time delay 1~
26mins.Certainly, the resistance of R2, the Standard resistance range of R1 selects other types, it is also possible to obtain the time delay of other scopes.Time adjusts
The regulation of the 13 pairs of setting durations in economize on electricity road can be that user interrupts duration, such as different units according to the setting that is actually needed of welding
In part welding process, the duration for changing element is different, the electric iron 1 in this programme can according to being set the need for post when
Self-defined setting long.
Increase trigger switch, timing circuit, time adjustment circuit, break-make in electric iron in the utility model embodiment to cut
Change circuit and reseting switch circuit；Trigger switch is connected with timing circuit；Timing circuit is connected with break-make switching circuit, for right
The closure duration of trigger switch carries out timing, and changes to the initial of break-make switching circuit output when timing reaches setting duration
Level；Break-make switching circuit, the power supply for cutting off electric iron when the change of level is received；Reseting switch circuit and timing
Circuit is connected, for exporting reset signal to timing circuit so that timing circuit recovers original levels and resets timing.In electricity
Start timing during flatiron break-off, be electric iron power-off when timing reaches, by electric iron it is empty burn the tool that causes damage and
Disaster hidden-trouble is preferably minimized, while solve the electric iron problem of oxidation and waste of energy for burning the solder horn for bringing empty for a long time asking
Topic.
The above, is only preferred embodiment of the present utility model, not makees any formal to the utility model
Limitation, although the utility model is disclosed above with preferred embodiment, but is not limited to the utility model, any ripe
Professional and technical personnel is known, is not being departed from the range of technical solutions of the utility model, when in the technology using the disclosure above
Appearance is made a little change or is modified to the Equivalent embodiments of equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, any simple modification, equivalent variations and the modification made to above example according to technical spirit of the present utility model, still
Belong in the range of technical solutions of the utility model.
Claims (10)
1. a kind of electric iron for automatically powering off, it is characterised in that including：Trigger switch, reseting switch circuit, timing circuit and logical
Disconnected switching circuit；
The trigger switch is connected with the start-up and shut-down control end of the timing circuit, unlatching or pass for controlling the timing circuit
Close, the timing circuit is used to carry out timing to the closure duration of the trigger switch；
The signal output part of the timing circuit is connected with the controlled end of the break-make switching circuit, for reaching setting in timing
Change the original levels exported to the break-make switching circuit during duration；
The break-make switching circuit is series between the heating wire of power supply and the electric iron, for receiving the level
The power supply and heating wire are cut off during change；
The reseting switch circuit is connected with the replacement port of the timing circuit, believes for being resetted to timing circuit output
Number so that the timing circuit recovers original levels and to reset timing.
2. the electric iron for automatically powering off according to claim 1, it is characterised in that described also including time adjustment circuit
Time adjustment circuit is connected with the timing circuit, for adjusting the setting duration.
3. the electric iron for automatically powering off according to claim 1, it is characterised in that the first end of the trigger switch and institute
The threshold value port and triggering port for stating timing circuit are connected, the second end ground connection of the trigger switch.
4. the electric iron for automatically powering off according to claim 1, it is characterised in that the reseting switch circuit includes first
Switch S2, electric capacity C2 and resistance R3；One end of the first switch S2, the negative pole of electric capacity C2 are grounded, the first switch S2
The positive pole of the other end and the electric capacity C2, one end of resistance R3, the replacement port of timing circuit be connected；The resistance R3's is another
Access+5V power supplys in one end.
5. the electric iron for automatically powering off according to claim 2, it is characterised in that the time adjustment circuit includes electric capacity
C1, rheostat R1 and resistance R2；The negative pole ground connection of the electric capacity C1, one end of the positive pole of the electric capacity C1 and the rheostat R1
It is connected, the other end of the rheostat R1 is connected with one end of the resistance R2, the other end of the resistance R2 accesses+5V electricity
Source.
6. the electric iron for automatically powering off according to claim 1, it is characterised in that the break-make switching circuit includes resistance
R4, metal-oxide-semiconductor Q1, diode D1, double-pole single throw K1 and light emitting diode D2；One end of the resistance R4 and timing electricity
Road is connected with incoming level, and the other end of the resistance R4 is connected with the grid of the metal-oxide-semiconductor Q1；The source electrode of the metal-oxide-semiconductor Q1
The positive pole of one end, diode D1 with the relay in the double-pole single throw K1 is connected；The drain electrode of the metal-oxide-semiconductor Q1 connects
Ground；The negative pole of the diode D1, the other end of relay access+12V power supplys；One of the double-pole single throw K1 opens
Two ends of the two ends of passage respectively with the light emitting diode D2 are closed to be connected；Another switch of the double-pole single throw K1 is logical
The two ends in road are connected in series to the power line of the electric iron.
7. the electric iron for automatically powering off according to claim 1, it is characterised in that the timing circuit includes timer U1
With electric capacity C3；The control voltage end of the timer U1 is connected with one end of the electric capacity C3, another termination of the electric capacity C3
Ground.
8. the electric iron for automatically powering off according to claim 6, it is characterised in that the light emitting diode D2 sends out for green
Optical diode.
9. the electric iron for automatically powering off according to claim 1, it is characterised in that the electric iron includes connected handle
And solder horn, the upper end of the solder horn is connected with the lower end of the handle and forms step surface, institute in the lower end of the handle
State trigger switch and be arranged at the step surface.
10. the electric iron for automatically powering off according to claim 9, it is characterised in that the step surface is annular step surface,
The trigger switch is ring switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621380339.XU CN206296551U (en) | 2016-12-15 | 2016-12-15 | A kind of electric iron for automatically powering off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621380339.XU CN206296551U (en) | 2016-12-15 | 2016-12-15 | A kind of electric iron for automatically powering off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206296551U true CN206296551U (en) | 2017-07-04 |
Family
ID=59213738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621380339.XU Active CN206296551U (en) | 2016-12-15 | 2016-12-15 | A kind of electric iron for automatically powering off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206296551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109452860A (en) * | 2018-10-24 | 2019-03-12 | 上海浩泽康福特环境科技有限公司 | A kind of intelligent kettle anti-dry method based on TDS detection |
-
2016
- 2016-12-15 CN CN201621380339.XU patent/CN206296551U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109452860A (en) * | 2018-10-24 | 2019-03-12 | 上海浩泽康福特环境科技有限公司 | A kind of intelligent kettle anti-dry method based on TDS detection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203930503U (en) | A kind of temperature controller longevity automatic test device | |
| CN206296551U (en) | A kind of electric iron for automatically powering off | |
| CN104377513A (en) | Socket, remote controller and control method of socket | |
| CN203423331U (en) | Multifunctional intelligent safety power supply socket without standby loss | |
| CN204538390U (en) | Safe type intelligent socket | |
| CN201374463Y (en) | Energy-saving socket | |
| CN208477343U (en) | A kind of program-controlled low-power consumption timing starting circuit | |
| CN209619425U (en) | A kind of hand-held inductance type lead tin machine | |
| CN209632343U (en) | Single-chip microcontroller controls energy storage welding welding system | |
| CN204805081U (en) | Automatic intermittent control circuit of fish bowl hydrologic cycle | |
| CN206848377U (en) | Light receiving element powers up ageing system | |
| CN204597921U (en) | Energy-saving electric power switching device | |
| CN105171195A (en) | Energy-saving control device for manual welding machine | |
| CN205254311U (en) | Manual welding machine energy -saving control device | |
| CN205160028U (en) | Electric wire netting intelligence overcurrent protection control system | |
| CN109599702A (en) | The safety-type countdown socket of a kind of second grade Self-disconnecting | |
| CN203351880U (en) | Intelligent energy-saving socket | |
| CN204634062U (en) | A kind of electric water heater heating circuit | |
| CN204131793U (en) | solar lighting controller | |
| CN107717158A (en) | A kind of low voltage and high current melts tin point welding machine | |
| CN204858156U (en) | Intelligent timing socket | |
| CN204031114U (en) | A kind of cooling room low-voltage electrical apparatus auto-breaking control circuit | |
| CN205764329U (en) | A kind of energy-saving electric iron | |
| CN217832230U (en) | Portable energy-saving electric welding machine | |
| CN204044647U (en) | Heater controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215301 No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou Patentee after: Kunshan Longteng Au Optronics Co Address before: 215301 No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou Patentee before: Kunshan Longteng Optronics Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |