CN208094271U - A kind of portable electronics armlet - Google Patents

Abstract

The utility model discloses a kind of portable electronics armlets, including ontology, the ontology to include：Nonrigid connector, multiple shells, thin-film solar cells, solar charging circuit, the shell is interior to be equipped with lithium battery, is connected by nonrigid connector between shell, the thin-film solar cells is bonded with the outer surface of shell, and the solar charging circuit includes：Resistance R1, R2, R3, R4, R5, R6, capacitance C1, C2, C3, triode Q1, Q2, transformer T1, diode D2, voltage-stabiliser tube D1, the transformer T1 are equipped with primary coil N1, feedback coil N2, secondary coil N3.Electric energy is converted the solar by thin-film solar cells, and electric energy is charged on lithium battery by solar charging circuit, so that solar energy as accessory power supply, ensures that outdoor user can use electronics armlet for a long time.The armlet can be used for daily life.

Description

A kind of portable electronics armlet

Technical field

The utility model is related to intelligence to dress technical field, more particularly to a kind of portable electronics armlet.

Background technology

Existing electronics armlet is generally all built-in with lithium battery, is powered using lithium battery, breaks away from the constraint of power cord, Reach portable requirement.But since electronics armlet is used for a long time, built-in lithium battery is easy electricity shortage, especially at family The outer user that electronics armlet is used for a long time, is more difficult to find that the power supply to charge in time to electronics armlet.Therefore, existing electronics Armlet needs to increase the power supply architecture of auxiliary, to ensure that outdoor user can use electronics armlet for a long time.

Utility model content

The purpose of this utility model is：A kind of electronics armlet with solar charging circuit is provided, to rely on solar energy Accessory power supply as electronics armlet.

The solution that the utility model solves its technical problem is：A kind of portable electronics armlet, including ontology, it is described Ontology includes：Nonrigid connector, multiple shells, thin-film solar cells, solar charging circuit, the shell is interior to be equipped with lithium electricity Pond is connected by nonrigid connector between shell, and the thin-film solar cells is bonded with the outer surface of shell, the solar energy Charging circuit includes：Resistance R1, R2, R3, R4, R5, R6, capacitance C1, C2, C3, triode Q1, Q2, transformer T1, diode D2, voltage-stabiliser tube D1, the transformer T1 are equipped with primary coil N1, feedback coil N2, secondary coil N3, and one end of capacitance C1 is distinguished With the anode of thin-film solar cells, one end of resistance R1, R4, the upper end connection of primary coil N1, the other end point of resistance R1 Not with the base stage of triode Q1, one end of resistance R2, the collector connection of triode Q2, the other end of resistance R4 respectively with three poles The collector of pipe Q1, the lower end connection of primary coil N1, the other end of resistance R2 are connect with one end of capacitance C2, and capacitance C2's is another One end is connect with the upper end of feedback coil N2, and one end with resistance R3, the anode of voltage-stabiliser tube D1 connect the base stage of triode Q2 respectively It connects, the anode of diode D2 is connect with the upper end of secondary coil N3, the cathode of diode D2 one end with resistance R5 respectively, capacitance One end of C3, the anode connection of lithium battery, the other end with resistance R5, one end of resistance R6 connect the cathode of voltage-stabiliser tube D1 respectively It connects, the cathode of thin film solar cell, the other end of capacitance C1, the emitter of triode Q2, the other end of resistance R3, triode Q1 Emitter, the lower end of feedback coil N2, the lower end of secondary coil N3, the other end of resistance R6, capacitance C3, the cathode of lithium battery It connects over the ground respectively.

Further, the nonrigid connector is silica gel material component.

Further, the solar charging circuit further includes capacitance C4, capacitance C4 and capacitance C1 and connects, the capacitance of capacitance C4 For the one thousandth of the capacitance of capacitance C1.

The utility model has the beneficial effects that：Electric energy is converted the solar by thin-film solar cells, and by too It is positive can charging circuit electric energy is charged on lithium battery so that solar energy is used as accessory power supply, ensure that the user of open air can be with Electronics armlet is used for a long time.

Description of the drawings

It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it His design scheme and attached drawing.

Fig. 1 is the dimensional structure diagram of electronics armlet；

Fig. 2 is the circuit connection diagram of solar charging circuit.

Specific implementation mode

The technique effect of the design of the utility model, concrete structure and generation is carried out below with reference to embodiment and attached drawing It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field The other embodiment that art personnel are obtained without creative efforts belongs to the model of the utility model protection It encloses.In addition, all connection/connection relations being previously mentioned in text, not singly refer to component and directly connect, and referring to can be according to specific reality Situation is applied, by adding or reducing couple auxiliary, to form more preferably coupling structure.Each technology in the invention is special Sign, can be with combination of interactions under the premise of not conflicting conflict.

Embodiment 1, with reference to figure 1 and Fig. 2, a kind of portable electronics armlet, including ontology, the ontology include：Elasticity is even Junctor 2, multiple shells 1, thin-film solar cells 3, solar charging circuit, the shell 1 is interior to be equipped with lithium battery 11, the shell It is connected by nonrigid connector 2 between body 1, the thin-film solar cells 3 is bonded with the outer surface of shell 1, the solar energy Charging circuit includes：Resistance R1, R2, R3, R4, R5, R6, capacitance C1, C2, C3, triode Q1, Q2, transformer T1, diode D2, voltage-stabiliser tube D1, the transformer T1 are equipped with primary coil N1, feedback coil N2, secondary coil N3, one end of the capacitance C1 Respectively with the anode of thin-film solar cells 3, one end of resistance R1, R4, primary coil N1 upper end connection, the resistance R1's The base stage with triode Q1, the collector of one end of resistance R2, triode Q2 connect the other end respectively, and the resistance R4's is another The collector with triode Q1, the lower end of primary coil N1 connect respectively at end, the other end of the resistance R2 and the one of capacitance C2 End connection, the other end of the capacitance C2 connect with the upper end of feedback coil N2, the base stage of the triode Q2 respectively with resistance One end of R3, the anode connection of voltage-stabiliser tube D1, the anode of the diode D2 are connect with the upper end of secondary coil N3, two pole One end with resistance R5, one end of capacitance C3, the anode connection of lithium battery 11, the cathode of voltage-stabiliser tube D1 divide the cathode of pipe D2 respectively Not with the other end of resistance R5, one end of resistance R6 connects, the cathode of the thin film solar cell 3, the other end of capacitance C1, and three The emitter of pole pipe Q2, the other end of resistance R3, the emitter of triode Q1, the lower end of feedback coil N2, secondary coil N3's The cathode of lower end, the other end of resistance R6, capacitance C3, lithium battery 11 connects over the ground respectively.

When user uses electronics armlet outdoors, the thin-film solar cells 3 converts the solar into electric energy, passes through Electric energy is charged on lithium battery 11 by solar charging circuit.

Operation principle is：Thin-film solar cells 3 loads on solar charging circuit, and DC current is flowed by resistance R1 To the base stage of triode Q1, the triode Q1 conductings, primary coil N1 has been loaded with the output electricity of thin-film solar cells 3 Pressure, the collector current of the triode Q1 linear increase on primary coil N1, it is just that lower end is negative that feedback coil N2, which generates upper end, Induced voltage so that it is that just, the extremely negative positive and negative feedthrough voltage of transmitting, the positive and negative feedthrough voltage passes through electricity that triode Q1, which obtains base stage, Hold C2 and resistance R2 to be added in the base stage of triode Q1 so that the collector current of triode Q1 continues growing, and generates snowslide Journey so that triode Q1 saturation conductions, in triode Q1 saturation conduction devices, primary coil N1 stores magnetic energy.Meanwhile induced electricity It presses and charges to capacitance C2, as capacitance C2 charging voltages increase, the base potential of triode Q1 is lower, when the base stage of triode Q1 Curent change cannot meet its continue keep saturation when, triode Q1 exits saturation region and enters amplification region.Triode Q1, which enters, to be put After big state, the electric current of collector declines, and rectifies in feedback coil N2 generations, the negative induced voltage in lower end, the induced electricity Pressure acts in the base stage of triode Q1 so that the base current of triode Q1 is reduced, and collector current is positive and negative with reduction Once is there is avalanche process in feedback, and triode Q1 ends rapidly.After triode Q1 cut-off, the energy of transformer T1 storages passes through secondary Grade coil N3 is supplied to lithium battery, rectifies in secondary coil N3 generations, and the negative voltage in lower end, the voltage is filtered through diode D2 rectifications After wave, DC voltage is obtained on capacitance C3 and is charged to lithium battery.

It after triode Q1 cut-offs, repeats the above process again, circuit repeats oscillation and goes down like this.Lithium battery 11 passes through this The oscillation of sample is continuously available charging.

Lithium battery 11 overcharges in order to prevent, the voltage-stabiliser tube D1, resistance R3, R5, R6, and diode Q2 constitutes pressure limiting circuit, By taking the lithium battery of 3.6V as an example, during lithium battery 11 charges, when cell voltage is more than 4.2V, by resistance R5 and resistance After R6 partial pressures, voltage-stabiliser tube D1 conductings so that the shunting function of triode Q2 conductings, triode Q2 reduces the base stage electricity of triode Q1 Stream has the function that limit output voltage, the input voltage of lithium battery 11 is tieed up to reduce the collector current of triode Q1 It holds in 4.2V or less.Protect lithium battery 11.

As advanced optimizing for the above embodiment, the nonrigid connector 2 is silica gel material component.

As advanced optimizing for the above embodiment, the solar charging circuit further includes capacitance C4, the capacitance C4 and capacitance C1 simultaneously connects, and the capacitance of the capacitance C4 is the one thousandth of the capacitance of capacitance C1.By in thin-film solar cells 3 And small one and large one capacitance of three quantitative levels of difference is connect, improve filter effect.

The better embodiment of the utility model is illustrated above, but the invention be not limited to it is described Embodiment, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention Type or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.

Claims (3)

1. a kind of portable electronics armlet, including ontology, the ontology include：Nonrigid connector and multiple shells, the shell It is interior to be equipped with lithium battery, it is connected by nonrigid connector between shell, which is characterized in that the ontology further includes：Thin film solar Battery, solar charging circuit, the thin-film solar cells are bonded with the outer surface of shell, the solar charging circuit packet It includes：Resistance R1, R2, R3, R4, R5, R6, capacitance C1, C2, C3, triode Q1, Q2, transformer T1, diode D2, voltage-stabiliser tube D1, The transformer T1 is equipped with primary coil N1, feedback coil N2, secondary coil N3, one end of capacitance C1 respectively with thin film solar The anode of battery, one end of resistance R1, R4, the upper end connection of primary coil N1, the other end of resistance R1 respectively with triode Q1 Base stage, one end of resistance R2, the collector connection of triode Q2, the other end of the resistance R4 current collection with triode Q1 respectively Pole, the lower end connection of primary coil N1, the other end of resistance R2 are connect with one end of capacitance C2, the other end and feedback of capacitance C2 The upper end of coil N2 connects, and one end with resistance R3, the anode of voltage-stabiliser tube D1 connect the base stage of triode Q2 respectively, diode D2 Anode connect with the upper end of secondary coil N3, the cathode of diode D2 one end with resistance R5 respectively, one end of capacitance C3, lithium The anode connection of battery, the other end with resistance R5, one end connection of resistance R6, the film sun are electric respectively for the cathode of voltage-stabiliser tube D1 The cathode in pond, the other end of capacitance C1, the emitter of triode Q2, the other end of resistance R3, the emitter of triode Q1, feedback The cathode of the lower end of coil N2, the lower end of secondary coil N3, the other end of resistance R6, capacitance C3, lithium battery connects over the ground respectively.

2. a kind of portable electronics armlet according to claim 1, it is characterised in that：The nonrigid connector is silica gel material Texture part.

3. a kind of portable electronics armlet according to claim 2, which is characterized in that the solar charging circuit also wraps It includes capacitance C4, capacitance C4 and capacitance C1 and connects, the capacitance of capacitance C4 is the one thousandth of the capacitance of capacitance C1.