CN210839039U

CN210839039U - Zero-power-consumption automatic charger

Info

Publication number: CN210839039U
Application number: CN201922330456.5U
Authority: CN
Inventors: 胡勤毅
Original assignee: Hold Wealth Dongguan Electronics Co ltd
Current assignee: Hold Wealth Dongguan Electronics Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-06-23
Anticipated expiration: 2029-12-23

Abstract

The utility model relates to the technical field of charging equipment, in particular to a zero-power consumption automatic charger, which comprises an alternating current power supply input unit, a charging unit and an output unit which are connected in sequence, wherein an automatic switch is embedded at the joint of the alternating current power supply input unit and the charging unit; the output unit adopts TYPE-C interface connection by the product of being charged, and this output unit passes through the reverse output voltage switch control circuit connection switch control circuit of TYPE-C interface, and this switch control circuit control automatic switch break-make. The utility model discloses simple structure, the cost of manufacture is low, and convenient to use utilizes TYPE C to be can two-way (output) the function of charging, controls AC electricity through on-off control circuit, makes the charger be in the outage state, avoids no-load loss, realizes zero power consumptive, uses safelyr.

Description

Zero-power-consumption automatic charger

Technical Field

The utility model belongs to the technical field of the battery charging outfit technique and specifically relates to a charger is related to.

Background

With the development of society and the continuous progress of technology level, digital electronic products such as electric vehicles and mobile phones have become the main transportation means and necessities in daily life of people. These devices or products are generally powered by batteries, and people in life are accustomed to using these tools or devices during the day and charging them at night, so that it is common that the charger device is in a power-on state for a long time. Some people put the charger equipment in a power-on standby state for days, dozens of days or even all the year round, so that the charger is in a meaningless charged state for a long time, no-load loss exists, energy is wasted, the aging of the charging equipment is accelerated, and even safety accidents are caused.

Disclosure of Invention

An object of the utility model is to provide a zero power consumptive automatic charger solves above-mentioned technical problem, realizes zero power consumptive, uses safelyr.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a zero-power consumption automatic charger comprises an alternating current power supply input unit, a charging unit and an output unit which are sequentially connected, wherein an automatic switch is embedded at the joint of the alternating current power supply input unit and the charging unit; the output unit adopts TYPE-C interface connection by the product of being charged, and this output unit passes through the reverse output voltage switch control circuit connection switch control circuit of TYPE-C interface, and this switch control circuit control automatic switch break-make.

In the above scheme, the automatic switch is a thyristor, the switch control circuit includes an optical coupling bidirectional thyristor, a first pin and a second pin of the optical coupling bidirectional thyristor are connected to the input signal, and a sixth pin of the optical coupling bidirectional thyristor is connected to the automatic switch.

Further, the automatic switch is a silicon controlled element with the model of BAT134, the optical coupling bidirectional thyristor is the model of MOC3042, and the sixth pin of the optical coupling bidirectional thyristor is also connected with a pull-up resistor R201A.

The charging unit comprises a primary rectifying and filtering circuit, a power conversion circuit, a secondary rectifying and filtering circuit, a PWM controller, a power supply circuit and a protection circuit, wherein the primary rectifying and filtering circuit is connected with an alternating current power supply input unit through an automatic switch, the power conversion circuit is connected between the primary rectifying and filtering circuit and the secondary rectifying and filtering circuit, the other end of the secondary rectifying and filtering circuit is connected with an output unit, and the power conversion circuit is controlled by the PWM controller.

The utility model discloses simple structure, the cost of manufacture is low, and convenient to use controls the AC electricity through on-off control circuit, makes the charger be in the outage state. After TYPE C of output is connected with the machine that is charged, because TYPE C can two-way (output) charging function, when the charger does not normally work, give the on-off control circuit by the product output voltage that is charged and open automatic switch, AC power supply input unit switch-on input AC electricity makes the charger normally work. When the charged product is removed, the switch control circuit does not receive the switch signal reversely output by the output unit, the switch is automatically switched off, and the AC power is switched off. The no-load loss is avoided, zero power consumption is realized, and the use is safer.

Description of the drawings:

FIG. 1 is a schematic diagram of the principle structure of the present invention;

fig. 2 is a circuit diagram of one embodiment of the embodiment of fig. 1.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 and 2, it is the schematic diagram of the preferred embodiment of the present invention, the present invention relates to a zero power consumption automatic charger, which comprises an AC power input unit 1, a charging unit 2 and an output unit 3 connected in sequence, wherein AC power (AC power) is input into the AC power input unit 1, is output after being arranged and controlled by the charging unit 2, and is finally provided to a charged product by the output unit 3. The utility model discloses in, still be in alternating current power supply input unit 1 inlays with 2 junctions of charging unit and establishes automatic switch 4 for control AC electricity is switched on and off, avoids no-load loss, promotes the security performance. Output unit 3 adopts TYPE-C interface connection by the product of charging, realizes two-way charging function, and like this, this output unit 3 still connects switch control circuit 5 through TYPE-C interface reverse output voltage switch control circuit 6, and this switch control circuit 5 control automatic switch 4 break-make. Therefore, when the charger does not work normally, the charged product outputs voltage to the switch control circuit 5 to turn on the automatic switch 4, and the alternating current power supply input unit is connected with input AC power to enable the charger to work normally. When the charged product is removed, the switch control circuit 5 does not receive the switch signal reversely output by the output unit, and automatically turns off the automatic switch 4, so that the AC power is cut off.

Referring to fig. 1 and 2, in this embodiment, the automatic switch 4 is a silicon controlled rectifier, the switch control circuit 5 includes an optical coupling bidirectional thyristor, a first pin and a second pin of the optical coupling bidirectional thyristor are connected to the input signal, and a sixth pin of the optical coupling bidirectional thyristor is connected to the automatic switch 4. Preferably, the automatic switch 4 is a thyristor of type BAT134, the optocoupler triac of type MOC3042 is connected at its sixth pin to a pull-up resistor R201A to increase the operating performance. Simple structure, low manufacturing cost, convenient use and stability.

As shown in fig. 1, in this embodiment, the charging unit 2 includes a primary rectifying and filtering circuit 21, a power converting circuit 22, a secondary rectifying and filtering circuit 23, a PWM controller 24, a power supply circuit 25, and a protection circuit 26, the primary rectifying and filtering circuit 21 is connected to the ac power input unit 1 through the automatic switch 4, the power converting circuit 22 is connected between the primary rectifying and filtering circuit 21 and the secondary rectifying and filtering circuit 23, the other end of the secondary rectifying and filtering circuit 23 is connected to the output unit 3, and the power converting circuit 22 is controlled by the PWM controller 24. The stable voltage is obtained by twice rectification and filtering, and the rectification and filtering circuit is the prior art. The PWM controller 24 controls the power conversion circuit 22, and the obtained output is smooth and has less low-order harmonics, thereby improving the charging efficiency.

Although the preferred embodiments of the present invention have been described in connection with the accompanying drawings, the present invention should not be limited to the exact construction and operation as described and illustrated, and many equivalent modifications and variations of the above-described embodiments may be made by logical analysis, reasoning or limited experimentation by those skilled in the art without departing from the spirit and scope of the present invention, which should fall within the scope of the claims.

Claims

1. The utility model provides a zero power consumption automatic charger, includes alternating current power supply input unit (1), the unit of charging (2) and output unit (3) that connect gradually, its characterized in that: an automatic switch (4) is embedded at the joint of the alternating current power supply input unit (1) and the charging unit (2); output unit (3) adopt TYPE-C interface connection by the product of charging, this output unit (3) are through TYPE-C interface reverse output voltage switch control circuit (6) connect switch control circuit (5), this switch control circuit (5) control automatic switch (4) break-make.

2. The automatic zero-power-consumption charger according to claim 1, wherein: the automatic switch (4) is a silicon controlled element, the switch control circuit (5) comprises an optical coupling bidirectional thyristor, a first pin and a second pin of the optical coupling bidirectional thyristor are connected with input signals, and a sixth pin of the optical coupling bidirectional thyristor is connected with the automatic switch (4) in output.

3. The automatic zero-power-consumption charger according to claim 2, wherein: the automatic switch (4) is a silicon controlled element with the model of BAT134, the optical coupling bidirectional thyristor is MOC3042, and the sixth pin of the optical coupling bidirectional thyristor is also connected with a pull-up resistor R201A.

4. The automatic zero-power-consumption charger according to claim 1, wherein: the charging unit (2) comprises a primary rectifying and filtering circuit (21), a power conversion circuit (22), a secondary rectifying and filtering circuit (23), a PWM controller (24), a power supply circuit (25) and a protection circuit (26), the primary rectifying and filtering circuit (21) is connected with the alternating current power supply input unit (1) through an automatic switch (4), the power conversion circuit (22) is connected between the primary rectifying and filtering circuit (21) and the secondary rectifying and filtering circuit (23), the other end of the secondary rectifying and filtering circuit (23) is connected with the output unit (3), and the power conversion circuit (22) is controlled by the PWM controller (24).