CN207582151U - The protection circuit that a kind of flatiron automatically powers off - Google Patents
The protection circuit that a kind of flatiron automatically powers off Download PDFInfo
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- CN207582151U CN207582151U CN201721720654.7U CN201721720654U CN207582151U CN 207582151 U CN207582151 U CN 207582151U CN 201721720654 U CN201721720654 U CN 201721720654U CN 207582151 U CN207582151 U CN 207582151U
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- photoelectric sensor
- flatiron
- power circuit
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Abstract
The utility model is related to flatiron control technology fields.The utility model discloses the protection circuits that a kind of flatiron automatically powers off,Including power circuit,Processor,The heater strip drive module of photoelectric sensor and flatiron,The input termination AC power of the power circuit,The power end of the output termination processor of the power circuit,AC power is powered by heater strip drive module for heater strip,The optical transmitting set of the photoelectric sensor is connected between the output terminal of power circuit and ground,The optical receiver of the photoelectric sensor is connected between the output terminal of power circuit and ground,Node between the output terminal of the power circuit and the optical receiver of photoelectric sensor connects the detection input of processor,Ball is equipped in the photoelectric sensor,The ball is configured as being kept flat by flatiron and being placed vertically that it is controlled to block and do not block the light of optical transmitting set directive optical receiver,The control output end of the processor connects the control signal of heater strip drive module.
Description
Technical field
The utility model belongs to flatiron control technology field, the protection circuit automatically powered off more particularly to a kind of flatiron.
Background technology
Flatiron is the tool of smooth clothes and cloth.Its type can be divided into：Plain edition, temperature-adjusting type, steam spray type etc..
Plain edition electric iron structure is simple, cheap, manufactures and easy to maintenance；Temperature-regulated iron can be in the range of 60-250 DEG C
Temperature is automatically adjusted, can be pressed according to different dress materials using suitable temperature, to obtain power saving than plain edition；Steam spray
The existing temperature adjustment function of type electric iron, and steam can be generated, dress material soaks evenly, and ironing effect is more preferable.
It is the thing that often occurs in life, but during ironing clothes, user has to carry out ironing clothes using flatiron
When can go to handle other things temporarily, then forget about the thing of ironing clothes, after ironing clothes are remembered, may have little time
, since flatiron is without intelligent power down function, heater strip heats always so that clothes has been ruined, and is caused loss or even is drawn
Fire incident is played, also results in waste of energy.
Invention content
The protection circuit automatically powered off the purpose of this utility model is to provide a kind of flatiron is solving the problem above-mentioned.
To achieve the above object, the technical solution adopted in the utility model is：The protection circuit that a kind of flatiron automatically powers off,
Heater strip drive module including power circuit, processor, photoelectric sensor and flatiron, the input termination of the power circuit are handed over
Galvanic electricity source, the power end of the output termination processor of the power circuit, AC power is heating by heater strip drive module
Silk power supply, the optical transmitting set of the photoelectric sensor are connected between the output terminal of power circuit and ground, the photoelectric sensor
Optical receiver is connected between the output terminal of power circuit and ground, the output terminal of the power circuit and the light-receiving of photoelectric sensor
Node between device connects the detection input of processor, is equipped with ball in the photoelectric sensor, the ball be configured as by
Flatiron keeps flat and places vertically that it is controlled to block and do not block the light of optical transmitting set directive optical receiver, and the control of the processor is defeated
Go out to terminate the control signal of heater strip drive module, the signal received according to detection input correspondingly controls heater strip to drive
Dynamic model block break-make.
Further, resistance R2 is serially connected between the optical transmitting set of the photoelectric sensor and the output terminal of power circuit.
Further, the optical transmitting set of the photoelectric sensor be light emitting diode, the anode of the light emitting diode
Series resistance R2 connects the output terminal of power circuit, the negativing ending grounding of the light emitting diode.
Further, resistance R1 is serially connected between the output terminal of the power circuit and the optical receiver of photoelectric sensor,
Node between the optical receiver of the photoelectric sensor and resistance R1 connects the detection input of processor.
Further, the optical receiver of the photoelectric sensor be phototriode, the current collection of the phototriode
Pole series resistance R1 connects the output terminal of power circuit, the emitter ground connection of the phototriode.
Further, the power circuit is 5V power circuits.
Further, the power circuit includes reduction voltage circuit, rectification circuit and 5V regulator circuits, the reduction voltage circuit
Input termination AC power, the reduction voltage circuit output termination rectification circuit input terminal, the output of the rectification circuit
The input terminal of 5V regulator circuits is terminated, the output terminal of the 5V regulator circuits is the output terminal of power circuit.
Further, the processor is realized by microcontroller U2.
Further, the heater strip drive module is realized using relay.
Further, the photoelectric sensor is realized by photoelectrical coupler.
The advantageous effects of the utility model：
The utility model can detect whether flatiron is used automatically, when being not used, control heater strip driving mould
Block disconnects, and powers off heater strip, avoids that clothes is caused to be ruined or even causes fire since heater strip heats always, not only protect
Property and the personal safety of user have been protected, has also avoided waste of energy, and circuit structure is simple, it is easy to accomplish, it is at low cost.
Description of the drawings
Fig. 1 is the circuit diagram of the utility model specific embodiment.
Specific embodiment
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the protection circuit that a kind of flatiron automatically powers off, including power circuit 1, processor U2, photoelectric sensing
The heater strip drive module 2 of device U1 and flatiron, the power circuit 1 input termination AC power, the power circuit 1 it is defeated
Go out to terminate the power end of processor U1.
In this specific embodiment, processor U2 is preferably microcontroller, and certainly, in other embodiments, processor U2 also may be used
It is realized with being MCU processors or PLC controller etc., this is that those skilled in the art can realize easily, no longer describe in detail.
In this specific embodiment, the power circuit 1 is 5V power circuits, steady including reduction voltage circuit, rectification circuit and 5V
Volt circuit, the input termination AC power of the reduction voltage circuit, the input terminal of the output termination rectification circuit of the reduction voltage circuit,
The input terminal of the output termination 5V regulator circuits of the rectification circuit, the output terminal of the 5V regulator circuits is power circuit 1
Output terminal.Reduction voltage circuit, rectification circuit and 5V regulator circuits are existing more ripe circuit, are specifically referred to existing skill
Art, this is that those skilled in the art can realize easily, is no longer described in detail.
Certainly, in other embodiments, power circuit 1 can also use existing other power circuits, this is this field
What technical staff can realize easily, no longer describe in detail.
AC power is powered by heater strip drive module 2 for heater strip, in this specific embodiment, heater strip drive module
2 are realized using relay, and particular circuit configurations are that those skilled in the art can realize easily, are no longer described in detail.
The optical transmitting set of the photoelectric sensor U1 is connected between the output terminal and ground of power circuit 1, the photoelectric sensing
The optical receiver of device U1 is connected between the output terminal and ground of power circuit 1, the output terminal and photoelectric sensor of the power circuit 1
Node between the optical receiver of U1 meets the detection input P12 of processor U2.
In this specific embodiment, the optical transmitting set of the photoelectric sensor U1 is light emitting diode, the light emitting diode
Anode series resistance R2 connect the output terminal of power circuit 1, the negativing ending grounding of the light emitting diode.
In this specific embodiment, the optical receiver of the photoelectric sensor U1 is phototriode, the phototriode
Collector C series resistances R1 connect the output terminal of power circuit 1, the emitter E ground connection of the phototriode U1, photosensitive three pole
The collector C of pipe meets the detection input P12 of processor U2.
In this specific embodiment, photoelectric sensor U1 is realized using the photoelectrical coupler of model OPTOISO1.Resistance
The size of R1 and R2 is 10k Ω.
It is equipped with ball in the photoelectric sensor U1, when the ball is configured as flatiron and keeps flat, ball blocks luminous
The light of diode directive phototriode makes phototriode not receive the light of light emitting diode, the current collection of phototriode
Pole C and emitter E are not turned on, and the detection input P12 of processor U2 detects high level signal；When flatiron is placed vertically, ball
The light of light emitting diode directive phototriode is not blocked, and phototriode is allow to receive the light of light emitting diode, it is photosensitive
Collector C and the emitter E conducting of triode, the detection input P12 of processor U2 detect low level signal.The tool of ball
Mounting structure is that those skilled in the art can realize easily, is no longer described in detail.
Certainly, in other embodiments, when the ball can also be configured as flatiron and keep flat, ball does not block luminous
The light of diode directive phototriode, allows phototriode to receive the light of light emitting diode；When flatiron is placed vertically, rolling
Pearl blocks the light of light emitting diode directive phototriode, and phototriode is made not receive the light of light emitting diode.
The control output end P54 of the processor U2 connects the control signal of heater strip drive module 2, is inputted according to detection
The signal that end P12 is received correspondingly controls 2 break-make of heater strip drive module.
Control principle：
Flatiron in ironing clothes, ball can a direct acting, the detection input P12 of processor U2 can detect always keep flat and
Place the signal of (i.e. high level and low level) vertically, then be considered as consumer in ironing clothes, the control of processor U2 exports
P54 output control signals is held to control, and heater strip drive module 2 is constantly on, and heater strip will not power off；If flatiron is kept flat always,
The detection input P12 of processor U2 detects high level always, after reaching the predetermined time, the control output end of processor U2
P54 output control signal control heater strips drive module 2 disconnects, and heater strip automatically powers off, so as to protect clothes；If flatiron
It placing vertically always, the detection input P12 of processor U2 detects low level always, after reaching the predetermined time, the control of processor U2
Output terminal P54 outputs control signal control heater strip drive module 2 processed disconnects, and heater strip automatically powers off, so as to energy saving.
The utility model can detect whether flatiron is used automatically, when being not used, control heater strip driving mould
Block disconnects, and powers off heater strip, avoids that clothes is caused to be ruined or even causes fire since heater strip heats always, not only protect
Property and the personal safety of user have been protected, has also avoided waste of energy, and circuit structure is simple, it is easy to accomplish, it is at low cost.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, in the spirit and scope for not departing from the utility model that the appended claims are limited, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (10)
1. a kind of protection circuit that flatiron automatically powers off, it is characterised in that：Including power circuit, processor, photoelectric sensor and
The heater strip drive module of flatiron, the input termination AC power of the power circuit, at the output termination of the power circuit
The power end of device is managed, AC power is powered by heater strip drive module for heater strip, the optical transmitting set of the photoelectric sensor
It is connected between the output terminal of power circuit and ground, the optical receiver of the photoelectric sensor is connected on the output terminal and ground of power circuit
Between, the node between the output terminal of the power circuit and the optical receiver of photoelectric sensor connects the detection input of processor
End, is equipped with ball in the photoelectric sensor, and the ball is configured as being kept flat by flatiron and placed vertically it to be controlled to block and not
The light of optical transmitting set directive optical receiver is blocked, the control output end of the processor connects the control input of heater strip drive module
End, the signal received according to detection input correspondingly control heater strip drive module break-make.
2. the protection circuit that flatiron according to claim 1 automatically powers off, it is characterised in that：The light of the photoelectric sensor
Resistance R2 is serially connected between transmitter and the output terminal of power circuit.
3. the protection circuit that flatiron according to claim 2 automatically powers off, it is characterised in that：The light of the photoelectric sensor
Transmitter is light emitting diode, and the anode series resistance R2 of the light emitting diode connects the output terminal of power circuit, described to shine
The negativing ending grounding of diode.
4. the protection circuit that flatiron according to claim 1 automatically powers off, it is characterised in that：The output of the power circuit
Resistance R1 is serially connected between end and the optical receiver of photoelectric sensor, between the optical receiver of the photoelectric sensor and resistance R1
Node connect the detection input of processor.
5. the protection circuit that flatiron according to claim 4 automatically powers off, it is characterised in that：The light of the photoelectric sensor
Receiver is phototriode, and the collector series resistance R1 of the phototriode connects the output terminal of power circuit, the light
The emitter ground connection of quick triode.
6. the protection circuit that flatiron according to claim 1 automatically powers off, it is characterised in that：The power circuit is 5V electricity
Source circuit.
7. the protection circuit that flatiron according to claim 6 automatically powers off, it is characterised in that：The power circuit includes drop
Volt circuit, rectification circuit and 5V regulator circuits, the input termination AC power of the reduction voltage circuit, the output of the reduction voltage circuit
Terminate the input terminal of rectification circuit, the input terminal of the output termination 5V regulator circuits of the rectification circuit, the 5V regulator circuits
Output terminal be power circuit output terminal.
8. the protection circuit that flatiron according to claim 1 automatically powers off, it is characterised in that：The processor is by microcontroller
U2 is realized.
9. the protection circuit that flatiron according to claim 1 automatically powers off, it is characterised in that：The heater strip drive module
It is realized using relay.
10. the protection circuit that flatiron according to claim 1 automatically powers off, it is characterised in that：The photoelectric sensor by
Photoelectrical coupler is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721720654.7U CN207582151U (en) | 2017-12-12 | 2017-12-12 | The protection circuit that a kind of flatiron automatically powers off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721720654.7U CN207582151U (en) | 2017-12-12 | 2017-12-12 | The protection circuit that a kind of flatiron automatically powers off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207582151U true CN207582151U (en) | 2018-07-06 |
Family
ID=62736941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721720654.7U Active CN207582151U (en) | 2017-12-12 | 2017-12-12 | The protection circuit that a kind of flatiron automatically powers off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207582151U (en) |
-
2017
- 2017-12-12 CN CN201721720654.7U patent/CN207582151U/en active Active
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