CN208506562U - One kind is swiped the card type electric iron control circuit - Google Patents

Abstract

It swipes the card type electric iron control circuit the utility model discloses one kind, the control circuit includes the first MCU governor circuit, starting control circuit, the first relay circuit, keypress function circuit, clock circuit, power supply circuit, circuit for controlling motor and the radio frequency connecting with the first MCU governor circuit are swiped the card circuit, the power supply circuit is connect by the starting control circuit with AC220V input terminal, and the feeder ear of electric iron is connect by the normally open end K1 of the relay in first relay circuit with the AC220V input terminal.Utilize the utility model, other people can be effectively prevented to avoid other people incorrect using electric iron using electric iron and cause to damage electric iron, but also the working time of electric iron can be set, the power supply that electric iron is directly disconnected after the working time of setting avoids waste electricity.

Description

One kind is swiped the card type electric iron control circuit

Technical field

It swipes the card type electric iron control circuit the utility model relates to electric iron technical field more particularly to one kind, specifically relates to And it is a kind of need using the ID card that authorized just can normal use electric iron.

Background technique

In work or life, often forgets to close power supply using electric iron, Electric soldering iron core is caused to add due to long-time Cause thermal damage wastes electricity.To overcome drawbacks described above, there is a kind of controlled using sensor to control work shape currently on the market The Electric soldering iron core of state, principle are when user picks up electric iron, and electric iron begins to work, when electric iron is put down, electricity Soldering iron does not just work.This scheme only by electric iron in a dormant state, still can consume unnecessary electricity, and electricity irons The careless people of iron can take away use, if other people are incorrect to use electric iron, can also damage electric iron.

Utility model content

In order to overcome the deficiencies of the prior art and there are the problem of, the utility model provide one kind swipe the card type electric iron control electricity Road needs that electric iron could be used using the ID card authorized, can be effectively prevented using the type electric iron control circuit of swiping the card Other people use electric iron, but also can set the working time of electric iron, and electricity is directly disconnected after the working time of setting The power supply of soldering iron avoids waste electricity.

The utility model is achieved through the following technical solutions:

One kind is swiped the card type electric iron control circuit, and the control circuit includes the first MCU governor circuit, with the first MCU The starting control circuit of governor circuit connection, the first relay circuit, keypress function circuit, clock circuit, power supply circuit, motor Control circuit and radio frequency are swiped the card circuit, and the power supply circuit is connect by the starting control circuit with AC220V input terminal, The feeder ear of electric iron is connected by the normally open end K1 of the relay in first relay circuit and the AC220V input terminal It connects.

Further, the control circuit further includes the display screen circuit connecting with the first MCU governor circuit.

Further, the control circuit further includes the light indicating circuit connecting with the first MCU governor circuit.

Further, the control circuit further includes the warning circuit connecting with the first MCU governor circuit.

Preferably, the starting control circuit includes the 2nd MCU governor circuit, the confession connecting with the 2nd MCU governor circuit Battery wakes up key circuit and the second relay circuit, wherein the 2nd MCU governor circuit passes through serial ports and described first The connection of MCU governor circuit, the power supply circuit by the normally open end K2 of the relay in second relay circuit with The connection of AC220V input terminal.

Preferably, radio frequency circuit of swiping the card includes sequentially connected triode power amplification circuit, resonance circuit, detection Circuit and filter amplification circuit, the triode power amplification circuit pass through a current-limiting resistance and the first MCU master control electricity Timer interface connection in road, the filter amplification circuit are connect with the interruptive port in the first MCU governor circuit.

Preferably, the triode power amplification circuit is push-pull type triode power amplification circuit.

Preferably, the resonance circuit is made of the antenna and capacitor being connected in series.

Preferably, the display screen circuit is LCD display circuit, the light indicating circuit is LED indicating circuit, institute Stating warning circuit is buzzer alarm circuit.

Preferably, the supplying cell is button cell, the power supply circuit is that AC220V turns DC5V power circuit.

Using type electric iron control circuit provided by the utility model of swiping the card, other people can be effectively prevented and is ironed using electricity Iron avoids other people incorrect using electric iron and causes to damage electric iron, but also can set the working time of electric iron, The power supply that electric iron is directly disconnected after the working time of setting avoids waste electricity.

Detailed description of the invention

Fig. 1 is the electrical block diagram of control circuit described in the utility model embodiment.

Fig. 2 is that radio frequency described in the utility model embodiment is swiped the card the particular circuit configurations schematic diagram of circuit.

Specific embodiment

For the ease of the understanding of those skilled in the art, below in conjunction with the drawings and specific embodiments to the utility model make into One step detailed description.

As shown in Fig. 1, one kind is swiped the card type electric iron control circuit, and the control circuit includes the first MCU master control electricity Road, the starting control circuit being connect with the first MCU governor circuit, the first relay circuit, keypress function circuit, clock circuit, Power supply circuit, circuit for controlling motor and radio frequency are swiped the card circuit, the power supply circuit by the starting control circuit with The connection of AC220V input terminal, normally open end K1 and institute of the feeder ear of electric iron by the relay in first relay circuit State the connection of AC220V input terminal.In the present embodiment, the starting control circuit includes the 2nd MCU governor circuit, with the 2nd MCU master It controls the supplying cell of circuit connection, wake up key circuit and the second relay circuit, wherein the 2nd MCU governor circuit passes through string Mouth is connect with the first MCU governor circuit, and the power supply circuit is normal by the relay in second relay circuit Beginning K2 is connect with AC220V input terminal.

In the present embodiment, the MCU in the first MCU governor circuit uses the STC15F2K60S2 chip of macrocrystalline company, envelope Dress is TSSOP20, and the single-chip microcontroller of STC15F2K60S2 machine cycle 1T, EEPROM of the inside with large capacity, power failure data is not It loses, is high speed, highly reliable, low-power consumption, superpower jamproof 8051 single-chip microcontroller of new generation, the completely compatible tradition of instruction code 8051, fast 8-12 times of speed.The clock circuit is used to for STC15F2K60S2 single-chip microcontroller provide a clock, allows monolithic function It works normally.The keypress function circuit is provided with an acknowledgement key and a function key, for playing the role of setting function. The circuit for controlling motor carrys out card pop-up for controlling small machine, and card test paper here is for carrying out what radio frequency was swiped the card Card.MCU in the 2nd MCU governor circuit uses STC15W102 chip, and periphery does not need to connect clock circuit and reset Circuit, it is low in energy consumption, it is mainly responsible for and carries out serial communication with the MCU in the first MCU governor circuit.The supplying cell is preferably knob Battery is detained, the supply voltage of the button cell is 3.3V.The wake-up key circuit is mainly used for playing entire control circuit Starting and wake-up effect.

In the present embodiment, the I/O port of the relay in the first relay circuit and the MCU in the first MCU governor circuit are carried out It connects, the on-off of the input 220V main power circuit of the mainly control electric iron of the relay in the first relay circuit, first The normally open end K1 of relay in relay circuit is connected to the input 220V main power circuit of electric iron (i.e. in Fig. 1 AC220V input terminal) on, as shown in Figure 1, when radio frequency swipe the card circuit detect effective card after and start, in the first relay circuit Relay work, electric iron main power circuit conducting, if radio frequency is swiped the card, circuit does not detect effective card, the first relay Relay attonity in circuit.Relay in second relay circuit is used to control the on-off of the power supply circuit, Its normally open end K2 is connected to AC220V input terminal.

As preferred embodiment, the control circuit further includes the display screen circuit connecting with the first MCU governor circuit； The control circuit further includes the light indicating circuit connecting with the first MCU governor circuit；The control circuit further includes and the The warning circuit of one MCU governor circuit connection.

In a wherein preferred embodiment, the power supply circuit is preferably that AC220V turns DC5V power circuit, should C220V turns DC5V power circuit for the direct current by 220V alternating current by Transformer Rectifier, filtering and then pressure stabilizing output 5V Pressure, so that the first MCU governor circuit, light indicating circuit, display screen circuit, warning circuit, circuit for controlling motor, radio frequency are swiped the card The power supply such as circuit.In the present embodiment, the display screen circuit is preferably LCD display circuit, and the light indicating circuit is preferred For LED indicating circuit, the warning circuit is preferably buzzer alarm circuit.

In the utility model, the radio-frequency card can be untouched ID card or non-contact IC card, excellent in the present embodiment Choosing uses untouched ID card, and the information (such as card number information) in untouched ID card uses Manchester's code, then utilizes MCU in first MCU governor circuit is decrypted；It belongs to the mature prior art of existing application for Manchester's code, herein No longer its principle is described in detail.According to non-contact IC card, a number can be written to the sector of non-contact IC card According to, this data represents the time for using electric iron, then a data are written and represent this non-contact IC card access right etc., Pass through the data of the MCU reading and writing IC card sector in the first MCU governor circuit.It should be noted that the utility model uses MCU Corresponding program is decoded untouched ID card or non-contact IC card, but these decoding programs are using the prior art It can be achieved, the utility model is not related to the improvement of computer program.

It is further described below using being applied to the radio frequency of untouched ID card circuit of swiping the card as specific embodiment, institute Stating radio frequency circuit of swiping the card includes sequentially connected triode power amplification circuit, resonance circuit, detecting circuit and filter and amplification Circuit, the triode power amplification circuit pass through the timer interface in a current-limiting resistance and the first MCU governor circuit Connection, the filter amplification circuit are connect with the interruptive port in the first MCU governor circuit.In the present embodiment, described three Pole pipe power amplification circuit is push-pull type triode power amplification circuit, and the resonance circuit is by the antenna and capacitor that are connected in series Composition.In the present embodiment, the radio frequency swipe the card circuit physical circuit it is as shown in Fig. 2, network label 125K and the first MCU master The timer T0 interface connection for controlling the MCU in circuit, generates 125 kHz carrier signal of standard by timer T0, then passes through The triode power amplification circuit of push-pull type connection is sent into after current-limiting resistance R11, triode power amplification circuit is by increasing electricity Hindering R7, R15 improves rectangular waveform, and amplified carrier signal is launched by antenna L2, and antenna L2 and capacitor C15 are constituted Series resonant circuit, resonance frequency are 125 kHz, and the effect of resonance circuit is to make to obtain maximum electric current on antenna, to produce Raw maximum magnetic flux, obtains bigger card reading distance, removes 125 kHz carrier signals using detecting circuit, has restored Use data-signal；Wherein, resistance R12, R17, diode D3 and capacitor C16 constitute detecting circuit, and C8 is coupled capacitor, letter Number output is connected to the filter amplification circuit of rear class.Filter amplification circuit adopts the end interrupt INT O of the MCU in the first MCU governor circuit Mouthful, the MCU in the first MCU governor circuit is by the decoding to its signal waveform, so that the card number of radio-frequency card be decoded to come.

Illustrate the working principle or worked of the type electric iron control circuit of swiping the card of the utility model embodiment briefly below Journey: when electric iron to be used, long-pressing wakes up " waking up key " in key circuit and boots up within 5 seconds starting, the second relay electricity The actuating of relay in road, AC220V turn DC5V power circuit (power supply circuit) conducting, and LCD display can prompt " please will be effective ID card insertion enter in card slot ", then by " acknowledgement key " in keypress function circuit, first actuating of relay, the main power source of electric iron Line conduction, electric iron are started to work.If the working time is arranged, " function key " can be pressed in keypress function, keep LCD aobvious Display screen enters setting menu interface, which includes: the choosings such as " supporting the time ", " working time ", " card authorization " , in the utility model, the support time of default is 3 hours, the working time 1 is hour.After setting the time, and authorize ID card Piece can be set to function by " acknowledgement key ".

After arriving between when operating, LCD display will pop up interface of whether lengthening working hours, and buzzer alarm circuit It will call the police prompt, can so improve that Electric soldering iron core temperature when the sensor electric iron on existing market does not work declines lacks It falling into, temperature is inadequate when electric iron being effectively prevent not work, and staff could use after also waiting electric iron fever normal, thus It can effectively avoid the waste working time and reduce working efficiency.

If lengthened working hours, " function key " can be pressed in keypress function key circuit into working time modification Interface, after selecting " YES " to enter working time modification interface, short-press " function key " once, then increases the time one minute, long-pressing " function key " one time 5 seconds, then the time subtracts 1 minute, success is then arranged by " function key " after setting, while in LED indicating circuit Green LED lamp bright prompted.If do not lengthened working hours, select " NO ", circuit for controlling motor starts work after five minutes Make, radio frequency card automatic spring is come, the first MCU governor circuit sends one to the 2nd MCU governor circuit by serial communication Data, the 2nd MCU governor circuit is by processing；At this point, the actuating of relay in the first relay circuit, by the 220 of electric iron Exchange input disconnects, and closes electric iron, while the relay in the second relay also acts, it is defeated that AC220V is turned DC5V power supply Enter end to disconnect, protection Electric soldering iron core has been achieved because working long hours and damage and has saved electricity, it is following secondary to use electric iron Long-pressing is waken up in key circuit and boots up starting within wake-up key 5 seconds.If wanting emergency cut-off electric iron, institute is pressed simultaneously State " function key " " and " acknowledgement key ", the first relay circuit and second actuating of relay, all power supplys can be disconnected.

When authorizing ID card, password is set in authorization ID card interface, ID card is put into card slot, ID can be read automatically Card card number can authorize success by " acknowledgement key ", and card number is stored in the EEPROM inside the single-chip microcontroller of the first MUC governor circuit In.If wanting factory reset, while " function key " and " waking up key " are pressed, the card image of authorization is all deleted.

Compared with prior art, type electric iron control circuit provided by the embodiment of the utility model of swiping the card has beneficial below Effect: using the type electric iron control circuit of swiping the card, other people can be effectively prevented using electric iron, avoids other people incorrect Cause to damage electric iron using electric iron, but also the working time of electric iron can be set, after the working time of setting The power supply for directly disconnecting electric iron avoids waste electricity.

Above-described embodiment is the preferable implementation of the utility model, is not the restriction to the utility model, not Be detached from the utility model inventive concept under the premise of, it is any it is obvious replacement the protection scope of the utility model it It is interior.

Claims (10)

1. The type electric iron control circuit 1. one kind is swiped the card, it is characterised in that: the control circuit includes the first MCU governor circuit, The starting control circuit that is connect with the first MCU governor circuit, the first relay circuit, keypress function circuit, clock circuit, power supply Circuit, circuit for controlling motor and radio frequency are swiped the card circuit, and the power supply circuit is defeated by the starting control circuit and AC220V Enter end connection, the normally open end K1 and the AC220V that the feeder ear of electric iron passes through the relay in first relay circuit Input terminal connection.
2. 2. control circuit according to claim 1, it is characterised in that: the control circuit further includes and the first MCU master control The display screen circuit of circuit connection.
3. 3. control circuit according to claim 2, it is characterised in that: the control circuit further includes and the first MCU master control The light indicating circuit of circuit connection.
4. 4. control circuit according to claim 3, it is characterised in that: the control circuit further includes and the first MCU master control The warning circuit of circuit connection.
5. 5. control circuit described according to claim 1~any one of 4, it is characterised in that: the starting control circuit packet The 2nd MCU governor circuit is included, supplying cell, wake-up key circuit and the second relay connecting with the 2nd MCU governor circuit Circuit, wherein the 2nd MCU governor circuit is connect by serial ports with the first MCU governor circuit, the power supply circuit passes through institute The normally open end K2 for stating the relay in the second relay circuit is connect with AC220V input terminal.
6. 6. control circuit according to claim 5, it is characterised in that: radio frequency circuit of swiping the card includes sequentially connected three Pole pipe power amplification circuit, resonance circuit, detecting circuit and filter amplification circuit, the triode power amplification circuit pass through One current-limiting resistance is connect with the timer interface in the first MCU governor circuit, the filter amplification circuit and described first Interruptive port connection in MCU governor circuit.
7. 7. control circuit according to claim 6, it is characterised in that: the triode power amplification circuit is push-pull type three Pole pipe power amplification circuit.
8. 8. control circuit according to claim 6, it is characterised in that: the resonance circuit is by the antenna and electricity that are connected in series Hold composition.
9. 9. control circuit according to claim 4, it is characterised in that: the display screen circuit is LCD display circuit, institute Stating light indicating circuit is LED indicating circuit, and the warning circuit is buzzer alarm circuit.
10. 10. control circuit according to claim 4, it is characterised in that: the supplying cell is button cell, the power supply Circuit is that AC220V turns DC5V power circuit.