CN208422031U - Flash for prompting device and electronic equipment - Google Patents

Abstract

The utility model provides a kind of flash for prompting device and electronic equipment, belongs to electronic circuit technology field.The flash for prompting device includes shutdown module and optical-electric module, the shutdown module includes breaking circuit and charge-discharge circuit, the breaking circuit includes the first triode, the charge-discharge circuit includes first capacitor, the collector of first triode is connect with an external power supply, the base stage of first triode is connect with the first capacitor first end, the emitter of first triode is connect with the first end of the first capacitor and second end respectively, the illuminating circuit of the optical-electric module includes light emitting diode, the anode of the light emitting diode is connect with the emitter of first triode.The flash for prompting device circuit structure is simple, and integrated level is high, has better stability and safety.

Description

Flash for prompting device and electronic equipment

Technical field

The utility model relates to electronic circuit technology fields, set in particular to a kind of flash for prompting device and electronics It is standby.

Background technique

With the rapid development of scientific and technological level and social economy, more and more electronic products enter the life of average family Among, at the same time, the significance level of electrical safety problems also increasingly improves.Automotive safety, kitchen and toilet facility or other to electricity The higher electrical equipment of gas safety requirements, since related electric equipment breaks down easily to operator even people around The personal safety and property safety of member causes extensive damage, therefore people are to the need of simple, stable, reliable early warning device Ask higher and higher.

Existing suggestion device mostly uses greatly emitting semiconductor flash or play warning message using loudspeaker, still Its circuit structure mostly the more complicated and scope of application it is small, when structure is complicated just be easy because some internal component damage occur therefore Barrier, and can only be installed in certain electric devices.

Utility model content

The purpose of this utility model is to provide a kind of flash for prompting device and electronic equipments, to improve existing suggestion device The problem that circuit structure is complicated, the scope of application is small and stability is not high.

The embodiments of the present invention are achieved in that

The utility model provides a kind of flash for prompting device, and the flash for prompting device includes shutdown module and photoelectricity mould Block.The shutdown module includes breaking circuit and charge-discharge circuit, and the breaking circuit includes the first triode, the charge and discharge Circuit includes first capacitor, and the collector of first triode is connect with an external power supply, the base stage of first triode Connect with the first capacitor first end, the emitter of first triode respectively with the first end of the first capacitor and Second end connection.The optical-electric module includes illuminating circuit, and the illuminating circuit includes light emitting diode, the light emitting diode Anode connect with the emitter of first triode, the cathode of the light emitting diode is grounded.Wherein, the external power supply Electric current be transmitted to emitter from the collector of first triode, be transmitted to the light emitting diode and make it is described shine two Pole pipe is in luminance, while the reversed electricity that the first capacitor is electrically charged and applies to the emitter of first triode Pressure makes described luminous two until the backward voltage makes first triode in first capacitor electric discharge described after off state Pole pipe is in OFF state, and first triode restores on state, the one or three pole again after the first capacitor electric discharge Pipe toggles between on state and off state, and then makes the LED flash.

In the utility model optional embodiment, the shutdown module further includes switching circuit, the switching circuit packet Relay switch is included, the first end of the input circuit of the relay switch is connect with the external power supply, the input circuit Second end connect with the collector of first triode, the second end of the output loop of the relay switch and described the The base stage of one triode connects, and the first end of the output loop is connect with the emitter of first triode.

In the utility model optional embodiment, the switching circuit further includes first resistor, the output loop Second end is connect by the first resistor with the base stage of first triode.

In the utility model optional embodiment, the breaking circuit further includes second resistance, the second resistance First end is connect with the emitter of first triode, and second end is connect with the anode of the light emitting diode.

In the utility model optional embodiment, the optical-electric module further includes protection circuit, the protection circuit packet Include the second triode and 3rd resistor, the first end of the 3rd resistor respectively with the second end of the second resistance and described The base stage of second triode connects, the second end of the 3rd resistor respectively with the emitter of second triode and described The anode connection of light emitting diode, the collector of second triode are connect with the first end of the output loop.

In the utility model optional embodiment, first triode is PNP type triode, second triode For NPN type triode.

In the utility model optional embodiment, the charge-discharge circuit further includes the second capacitor, second capacitor First end be connected with the base stage of first triode, the collection of the second end of second capacitor and second triode Electrode connection.Wherein, second capacitor charges in second triode ON, to the collector of second triode The backward voltage of application prevents electric current from being transmitted to second triode so that second triode be made to be in off state Emitter.

In the utility model optional embodiment, the charge-discharge circuit further includes the 4th resistance, second capacitor Second end connect with the collector of second triode by the 4th resistance.

In the utility model optional embodiment, the first capacitor and second capacitor are electrolytic capacitor, described The first end of first capacitor and the first end of second capacitor are anode, the second end of the first capacitor and second electricity The second end of appearance is cathode.

The utility model additionally provides a kind of electronic equipment, and the electronic equipment includes above-mentioned flash for prompting device.

The beneficial effect of the utility model embodiment is:

The utility model embodiment provides a kind of flash for prompting device and electronic equipment, the flash for prompting device include Turn off module and optical-electric module, the shutdown module includes breaking circuit and charge-discharge circuit, the breaking circuit respectively with institute State the illuminating circuit connection of charge-discharge circuit and the optical-electric module.The shutdown module is using mainly by the first triode group At the breaking circuit and mainly by the simple circuit structure that first capacitor forms make first triode conducting shape Cyclic switching between state and off state, and then flash light emitting diode constantly, the shutdown module is simple and steady due to circuit It is fixed；The optical-electric module further includes protective module, and the second triode of the protective module further ensure that described first Triode is in light emitting diode when off state and is in OFF state, and integrated level is high, has ensured the flash for prompting dress The stability and accuracy set, and improve the safety of circuit.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

By the way that shown in attached drawing, the above and other purpose, feature and advantage of the utility model will be more clear, all attached Identical appended drawing reference indicates identical part in figure, does not deliberately draw attached drawing by actual size equal proportion scaling, with emphasis on In the purport for showing the utility model.

Fig. 1 is a kind of module map of flash for prompting device provided by the embodiment of the utility model；

Fig. 2 is a kind of circuit diagram for turning off module provided by the embodiment of the utility model；

Fig. 3 is a kind of circuit diagram of the shutdown module including the second capacitor provided by the utility model；

Fig. 4 is a kind of circuit diagram of the flash for prompting device including optical-electric module provided by the embodiment of the utility model.

Icon: 100- flash for prompting device；110- turns off module；112- breaking circuit；114- charge-discharge circuit；120- Optical-electric module；122- illuminating circuit；124- protects circuit.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside" For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This Outside, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.

In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" It is complete horizontal, but can be slightly tilted.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Other feature and advantage of the utility model will illustrate in subsequent specification, also, partly from specification It becomes apparent, or is understood and implementing the utility model embodiment.The purpose of this utility model and other advantages can It is achieved and obtained by structure specifically indicated in the written description, claims, and drawings.

Through the applicant the study found that when electrical equipment quantity in people's lives increases rapidly, people need to pass through Indicator light, acoustic information or other information transmission mode conveniently and efficiently know the operating status of various electrical equipments, Cai Nenggeng The normal operation of electrical equipment and the safety of user itself are ensured well.But the existing common light of electrical equipment mentions The usual circuit of circuit of waking up is complicated, since circuit complexity is then easy to happen fault, so that there are biggish security risks.It is another Aspect, existing alert circuit is general only to be matched with some type of electrical equipment, and the scope of application is small, circuit cost itself is high, is fitted It is also higher with economic cost.To solve the above-mentioned problems, the utility model embodiment provides a kind of flash for prompting device 100, It should be understood that flash for prompting device 100 has diversity purposes, such as the turn signal as automobile uses, and can also be Fault cues lamp as the turn signal of automobile or other devices uses.

Referring to FIG. 1, Fig. 1 is a kind of module map of flash for prompting device provided by the embodiment of the utility model.

Flash for prompting device 100 includes shutdown module 110 and optical-electric module 120, and shutdown module 110 includes breaking circuit 112 and charge-discharge circuit 114, optical-electric module 120 includes illuminating circuit 122.Wherein, breaking circuit 112 and charge-discharge circuit 114 It is connect respectively with illuminating circuit 122.

Referring to FIG. 2, Fig. 2 is a kind of circuit diagram for turning off module provided by the embodiment of the utility model.

It turns off module 110 and includes breaking circuit 112 and charge-discharge circuit 114, breaking circuit 112 and charge-discharge circuit 114 Connection.As an implementation, in the present embodiment, shutdown module 110 further includes switching circuit 111, wherein switching circuit 111 connect with breaking circuit 112.

Switching circuit 111 includes relay switch T1, the first end of the input circuit of relay switch T1 and an external electricity Source connection, the second end of the input circuit of relay switch T1 are connect with breaking circuit 112, meanwhile, relay switch T1's is defeated Circuit is also connect with breaking circuit 112 out.Relay (English name: relay) is a kind of electric control device, is to work as input quantity When the variation of (energizing quantity) reaches prescribed requirement, make controlled volume that one kind of scheduled Spline smoothing occur in electrical output circuit Electric appliance, it has control system (also known as input circuit) and by the interactive relationship between control system (also known as output loop).After Electric appliance is usually applied in automation control circuit, it is actually to go one kind of control high current running " certainly with low current Dynamic switch ", therefore the effects of play automatic adjustment, safeguard protection, conversion circuit in circuit.Relay has electromagnetic relay, consolidates The multiple types such as state relay, reed relay and optical relay, as an implementation, in the utility model embodiment 111 relay of switching circuit used is electromagnetic relay.Optionally, switching circuit 111 further includes first resistor R1, it is described after The second end of the output loop of electric switch T1 is connect by first resistor R1 with breaking circuit 112.Wherein, when described external When power supply is connected, relay switch T1 transmits electric current to breaking circuit 112 by the first end of input circuit, also by described defeated Circuit is connect with breaking circuit 112 out.

Breaking circuit 112 includes that the first triode Q1, the first triode Q1 plays the switching function of control circuit in circuit, So that luminescent device switches in luminance and OFF state, flashing prompting is carried out.First triode Q1 includes base stage, current collection Pole and emitter, type can be common silicone tube or germanium tube.Further, in the utility model embodiment, the one or three Pole pipe Q1 is PNP type triode, and the base stage of the first triode Q1 passes through the output loop of first resistor R1 and relay switch T1 Second end connection, the collector of the first triode Q1 connect with the second end of the input circuit of relay switch T1, the one or three The emitter of pole pipe Q1 is connect with the base stage of the illuminating circuit 122 of optical-electric module 120 and the first triode Q1 respectively, and the one or three The emitter of pole pipe Q1 is also connect with charge-discharge circuit 114.Further, when the first triode Q1 is PNP type triode, the The model of one triode Q1 can be the A92 often sold on the market, 9015 or the triode of other models.

Optionally, breaking circuit 112 further includes second resistance R2.The first end of second resistance R2 is with the first triode Q1's Emitter and charge-discharge circuit 114 connect, and the second end of second resistance R2 is connect with illuminating circuit 122, second resistance R2's The output loop that second end also passes through relay switch T1 is connect with the base stage of the first triode Q1.

Collector of the external power supply in the first triode Q1 applies a voltage, and the first triode Q1 is made to be on shape State, electric current are transmitted to charge-discharge circuit 114 and illuminating circuit 122 by the collector and emitter of the first triode Q1.

Charge-discharge circuit 114 includes first capacitor C1, and first capacitor C1 is used in the conductive state in the first triode Q1 When store electric energy, and apply a backward voltage to the emitter of the first triode Q1, when the backward voltage makes the one or three pole When pipe Q1 is in off state, illuminating circuit 122 is made to be in off-position.The first end of first capacitor C1 and the first triode The base stage of Q1 connects, and the second end of first capacitor C1 is connect with the emitter of the first triode Q1.

Referring to FIG. 3, Fig. 3 is the circuit diagram of the shutdown module provided by the utility model for including the second capacitor.

As an implementation, charge-discharge circuit 114 provided by the embodiment of the utility model further includes the second capacitor C2 With the 4th resistance R4.The first end of second capacitor C2 by the 4th resistance R4 respectively with the first end of first capacitor C1 and first The base stage of triode Q1 connects, and the second capacitor C2 second end connects with the first end of illuminating circuit 122 and second resistance R2 respectively It connects.

Referring to FIG. 4, Fig. 4 is a kind of flash for prompting device including optical-electric module provided by the embodiment of the utility model Circuit diagram.

Optical-electric module 120 includes illuminating circuit 122 and protection circuit 124, and the illuminating circuit 122 includes light-emitting diodes Pipe D1, protection circuit 124 include the second triode Q2 and 3rd resistor R3.The base stage of second triode Q2 respectively with second resistance The second end of R2 and the first end connection of 3rd resistor R3, the emitter of the second triode Q2 and the second end of 3rd resistor R3 And the anode connection of light emitting diode D1, the second triode Q2 collector are connect with the second end of the 4th resistance R4.Further Ground, in the utility model embodiment, the cathode of light emitting diode D1 is grounded.

The working principle of flash for prompting device 100 provided by the embodiment of the utility model is: in the defeated of relay switch T1 When the first end of entry loop accesses external power supply, relay switch T1 is closed output loop, and the external power supply is to the one or three pole The collector of pipe Q1 applies voltage, keeps the first triode Q1 in the conductive state, to make electric current from the collection of the first triode Q1 Electrode flows to emitter, and electric current is transmitted to light emitting transistor D1 by second resistance R2 and 3rd resistor R3 makes to shine Triode D1 is in luminance, meanwhile, the emitter that electric current is transmitted to the second triode Q2 make the second triode Q2 be in lead Logical state, and first capacitor C1 and the second capacitor C2 is flowed by the emitter and collector of the second triode Q2, to the first electricity Hold C1 and the second capacitor C2 to charge, as the increase first capacitor C1 in charging time is applied to the transmitting of the first triode Q1 The backward voltage for the collector that the backward voltage of pole and the second capacitor C2 are applied to the second triode Q2 is gradually increased, directly To making the first triode Q1 and the second triode Q2 be in off state, the first triode Q1 and the second triode Q2 are in cut-off Light emitting diode D1 is in OFF state after state and first capacitor C1 and the second capacitor C2 start to discharge, and is discharged to certain journey The first triode Q1 and the second triode Q2 are again introduced on state after degree, and then it is luminous to be again at light emitting diode D1 State so recycles, and flashes light emitting diode D1.

Optionally, the utility model embodiment additionally provides a kind of electronic equipment, electronic equipment include the present embodiment provides Flash for prompting device 100, optionally, flash for prompting device 100 can be integrated in the microelectronic circuit on printed circuit board, Then the printed circuit board is installed on electronic equipment；As another embodiment, flash for prompting device 100 can be with It is the electronic circuit directly with electronic equipment internal circuit connection.

In conclusion the utility model provides a kind of flash for prompting device and electronic equipment, the flash for prompting device Including shutdown module and optical-electric module, the shutdown module includes breaking circuit and charge-discharge circuit, the breaking circuit difference It is connect with the illuminating circuit of the charge-discharge circuit and the optical-electric module.The shutdown module is using mainly by the one or three pole The breaking circuit and mainly leading first triode by the simple circuit structure that first capacitor forms that pipe forms Cyclic switching between logical state and off state, and then flash light emitting diode constantly, the shutdown module is simple due to circuit And stablize；The optical-electric module further includes protective module, and the second triode of the protective module further ensure that described First triode is in light emitting diode when off state and is in OFF state, has higher integrated level, has ensured institute The stability and accuracy of flash for prompting device are stated, and improves the safety of circuit.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of flash for prompting device characterized by comprising

Module, including breaking circuit and charge-discharge circuit are turned off, the breaking circuit includes the first triode, the charge and discharge electricity Road includes first capacitor, and the collector of first triode is connect with an external power supply, the base stage of first triode with The first end of the first capacitor connects, the emitter of first triode respectively with the first end of the first capacitor and Second end connection；

Optical-electric module, including illuminating circuit, the illuminating circuit include light emitting diode, the anode of the light emitting diode and institute State the emitter connection of the first triode, the cathode ground connection of the light emitting diode；

The electric current of the external power supply is transmitted to emitter from the collector of first triode, is transmitted to the light-emitting diodes It manages and the light emitting diode is made to be in luminance, while the first capacitor is electrically charged and to the hair of first triode The backward voltage that emitter-base bandgap grading applies, until the backward voltage puts first triode in the first capacitor after off state Electricity makes the light emitting diode be in OFF state, and first triode restores that shape is connected again after the first capacitor electric discharge State, first triode toggles between on state and off state, and then makes the LED flash.

2. flash for prompting device according to claim 1, which is characterized in that the shutdown module further includes switching circuit, institute Stating switching circuit includes relay switch, and the first end of the input circuit of the relay switch is connect with the external power supply, The second end of the input circuit is connect with the collector of first triode, and the of the output loop of the relay switch Two ends are connect with the base stage of first triode, and the emitter of the first end of the output loop and first triode connects It connects.

3. flash for prompting device according to claim 2, which is characterized in that the switching circuit further includes first resistor, The second end of the output loop is connect by the first resistor with the base stage of first triode.

4. flash for prompting device according to claim 3, which is characterized in that the breaking circuit further includes second resistance, The first end of the second resistance is connect with the emitter of first triode, the anode of second end and the light emitting diode Connection.

5. flash for prompting device according to claim 4, which is characterized in that the optical-electric module further includes protection circuit, The protection circuit include the second triode and 3rd resistor, the first end of the 3rd resistor respectively with the second resistance Second end and the base stage of second triode connection, the second end of the 3rd resistor respectively with second triode The anode connection of emitter and the light emitting diode, the collector of second triode and the first of the output loop End connection.

6. flash for prompting device according to claim 5, which is characterized in that first triode is PNP type triode, Second triode is NPN type triode.

7. flash for prompting device according to claim 5, which is characterized in that the charge-discharge circuit further includes the second electricity Hold, the first end of second capacitor is connected with the base stage of first triode, the second end of second capacitor and institute State the collector connection of the second triode；

Second capacitor charges in second triode ON, applies to the collector of second triode reversed Voltage prevents electric current from being transmitted to the emitter of second triode so that second triode be made to be in off state.

8. flash for prompting device according to claim 7, which is characterized in that the charge-discharge circuit further includes the 4th electricity The second end of resistance, second capacitor is connect by the 4th resistance with the collector of second triode.

9. flash for prompting device according to claim 7 or 8, which is characterized in that the first capacitor and second electricity Holding is electrolytic capacitor, and the first end of the first end of the first capacitor and second capacitor is anode, the first capacitor Second end and the second end of second capacitor are cathode.

10. a kind of electronic equipment, which is characterized in that the electronic equipment includes the sudden strain of a muscle as described in any claim of claim 1-9 Bright suggestion device.