CN220440393U - Timing charger - Google Patents

Abstract

The application relates to a timing charger, which comprises a body, a charger unit, a charging control unit, an output load detection unit and a main control unit, wherein an input port and an output port are arranged on the body, the input port is used for being connected with a mains supply, and the output port is used for being connected with load equipment; the charger unit is connected with the input port through a first circuit and is connected with the output port through a second circuit; the charging control unit is arranged on the second circuit and is used for adjusting the on-off of the second circuit; the output load detection unit is used for detecting the charge quantity of the load equipment; the total control unit is electrically connected with the charging control unit and the output load detection unit. The charger can also disconnect the power supply to the electronic equipment under the condition that the electronic equipment is connected with the charger, so as to protect the electronic equipment.

Description

Timing charger

Technical Field

The application relates to the technical field of charging equipment, in particular to a timing charger.

Background

The charger is common electronic equipment in daily life, and especially people have higher dependence on mobile phones, tablet computers and the like, and the safety of the charger is particularly important.

At present, a charger used by us has only a continuous charging function, and if a user forgets to plug the charger, the charged device can be overheated continuously, or the battery is overheated, so that a fire condition is easy to occur.

Disclosure of Invention

The application provides a timing charger to solve charging equipment and be full of the back charger and still can last the power supply to load equipment, lead to the unsafe problem of charging equipment.

The application provides a timing charger, comprising:

the device comprises a body, wherein an input port and an output port are arranged on the body, the input port is used for being connected with mains supply, and the output port is used for being connected with load equipment;

the charger unit is connected with the input port through a first circuit and connected with the output port through a second circuit;

the charging control unit is arranged on the second circuit and is used for adjusting the on-off of the second circuit;

an output load detection unit for detecting a charge amount of the load device; and

the total control unit is electrically connected with the charging control unit and the output load detection unit _。

In one possible implementation, the charging control unit includes a control switch.

In one possible implementation manner, the overall control unit includes an MCU control module, a key is further provided on the body, the key is connected to a first pin of the MCU control module, and a second pin of the MCU control module is connected to the charging control unit.

In one possible implementation manner, the output load detection unit includes a feedback resistor and a detection component, where the feedback resistor is connected to the second line, and the detection component is configured to detect a voltage value flowing through the feedback resistor and is electrically connected to the overall control unit.

In one possible implementation, the detection component includes an operational amplifier connected to both the feedback resistor and the overall control unit, the operational amplifier being connected to the overall control unit.

In one possible implementation, the MCU control module includes an internal timer for controlling on/off of the second line.

In one possible implementation manner, a timing unit is further disposed in the body, and the timing unit is disposed on the first line or the second line and is connected with the charging control unit.

In one possible implementation, the timing unit includes a timing module and a timing key switch that are connected, and a button is disposed on the body, where the button corresponds to the timing key switch.

In one possible implementation, the input port includes a plug.

In a possible implementation, the output port is provided with at least one, and the output port includes a USB port.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

according to the timing charger provided by the embodiment, the load detection unit is output to detect the charging electric quantity of the load equipment, when the load equipment is in a fully charged state, the load equipment is not required to be charged continuously, and the total control unit cuts off the second circuit, so that the connection relation between the load equipment and the mains supply is disconnected, and automatic power failure of the load equipment is realized.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.

Fig. 1 is a schematic diagram of an overall structure of a timing charger according to an embodiment of the present application

Fig. 2 is a schematic structural diagram of a timing charger according to an embodiment of the present application;

fig. 3 is a schematic circuit diagram of a timing charger according to an embodiment of the present disclosure;

fig. 4 is a schematic circuit diagram of a charger unit;

fig. 5 is a schematic circuit diagram of the charge control unit and the overall control unit;

fig. 6 is a schematic circuit diagram of the output load detection unit.

Reference numerals illustrate:

1. a body; 2. an input port; 3. an output port; 4. a charger unit; 5. a charging control unit; 51. a control switch; 6. an output load detection unit; 61. a feedback resistor; 62. an operational amplifier; 7. a total control unit; 71. an MCU control module; 72. a key; 8. and a load device.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.

The following disclosure provides many different embodiments, or examples, for implementing different structures of the application. In order to simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "upper," "above," "front," "rear," and the like, may be used herein to describe one element's or feature's relative positional relationship or movement to another element's or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figure experiences a position flip or a change in attitude or a change in state of motion, then the indications of these directivities correspondingly change, for example: an element described as "under" or "beneath" another element or feature would then be oriented "over" or "above" the other element or feature. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

Nowadays, electronic products have been concerned with aspects of people's life, and safety of their charging functions is also of great concern. Some electronic devices that we often use are in a charging state all the time in a normal charging process, if the charger is not pulled out, so as to solve the problem that in the prior art, under the condition that the charger is not pulled out, the electronic device is in the charging state all the time, and a certain electrical performance loss is caused to the electronic device. The application provides a timing charger, which can disconnect power supply to electronic equipment under the condition that the electronic equipment is connected with the charger, so as to protect the electronic equipment.

Referring to fig. 1-6, an embodiment of the present application provides a timing charger, including:

the power supply device comprises a body 1, wherein an input port 2 and an output port 3 are arranged on the body 1, the input port 2 is used for being connected with a mains supply, and the output port 3 is used for being connected with a load device 8;

a charger unit 4 connected to the input port 2 via a first line and connected to the output port 3 via a second line;

the charging control unit 5 is arranged on the second circuit, and the charging control unit 5 is used for adjusting the on-off of the second circuit;

an output load detection unit 6 for detecting a charge amount of the load device 8; and

and the total control unit 7 is electrically connected with the charging control unit 5 and the output load detection unit 6.

According to the timing charger, the load detection unit 6 is output to detect the charging quantity of the load equipment 8, when the load equipment 8 is in a full-charged state, the load equipment 8 is not required to be charged continuously, the total control unit 7 is disconnected with the second circuit, and therefore the connection relationship between the load equipment 8 and the mains supply is disconnected, and automatic power failure of the load equipment 8 is achieved.

The input port 2 comprises a plug which is plugged into a socket to effect a connection between the charger and mains. The output port 3 comprises a USB port, and is connected with the load device 8 through the USB port to realize the charging of the load device 8, and the output port 3 is set to be at least one so as to meet the use requirements of different users according to the use environments of different chargers. Of course, the output port 3 may have a port structure of other TYPEs, such as a TYPE-C port. When the output ports 3 are provided in plural, the types of the respective output ports 3 may be identical, partially identical or completely different to promote the applicability of the charger.

The charging control unit 5 comprises a control switch 51, the control switch 51 is electrically connected with the overall control unit 7, and the control switch 51 can be connected with or disconnected from the second circuit, wherein the control switch 51 comprises a field effect transistor.

The main control unit comprises an MCU control module 71, a key 72 is further arranged on the main body 1, the key 72 is connected with a first pin of the MCU control module 71, the on-off of the first pin is regulated through the key 72, and a second pin of the MCU control module 71 is connected with the charging control unit 5. The MCU (Micro Control Unit) module is also a micro control unit, and is also a single-chip microcomputer (Single Chip Microcomputer) or a single-chip microcomputer, which means that CPU, RAM, ROM, a timing counter and various I/O interfaces of the computer are integrated on a chip to form a chip-level computer, which can realize the functions of signal receiving, control, operation and the like.

After the output port 3 is connected with the load device 8, the user can press the key 72 to enable the first pin of the MCU control module 71 to be changed from high level to low level, the MCU control module 71 sends a high level signal through the second pin, the charging control unit 5 receives the signal of the second pin of the MCU control module 71, and the first line is communicated with the second line, so that charging of the load device 8 is achieved.

The output load detection unit 6 includes a feedback resistor 61 and a detection component, the feedback resistor 61 is connected to the second line, and the detection component is configured to detect a voltage value flowing through the feedback resistor 61 and is electrically connected to the overall control unit 7.

When the current flowing through the feedback resistor 61RS1 is small and smaller than the preset value, it is indicated that the load device 8 is in a fully charged state, the output load detection unit 6 transmits a fully charged signal of the load device 8 to the overall control unit 7, and the overall control unit 7 controls the charge control unit 5 to disconnect the second line, thereby realizing power-off of the load device 8.

The detection assembly comprises an operational amplifier 62 connected with the feedback resistor 61 and the overall control unit 7, and the operational amplifier 62 is electrically connected with the overall control unit 7; the MCU control module 71 obtains a current value through AD conversion inside thereof, and adjusts the charge control unit 5 according to the current value. When the current flowing through the feedback resistor 61RS1 is small and less than the preset value, which is 30 milliamps for example, the operational amplifier 62U5 amplifies the current signal reduced across the feedback resistor 61RS1 by itself. Then, a signal is given to the MCU control module 71, and the MCU control module 71 obtains a value of the current through internal AD conversion, and automatically turns off the charge control unit 5Q1 to stop charging the load device 8 when the obtained value is smaller than an internal preset value.

The detection assembly further comprises an R23 resistor electrically connected with the overall control unit 7 and a C16 capacitor arranged in parallel with the R23 resistor, the other end of the C16 capacitor is grounded, the other end of the R23 resistor is connected with an operational amplifier 62, and an R18 resistor and a C13 capacitor which are both arranged in parallel with the operational amplifier 62; the other ends of the R18 resistor and the C13 capacitor are connected with an operational amplifier 62 and are connected with an R20 resistor, and the other ends of the R20 resistors are connected with a feedback resistor 61; the operational amplifier 62 is connected with an positive pole and is connected with a C15 capacitor, the other end of the C15 capacitor is connected with a C14 capacitor, an R22 resistor and a grounding wire in parallel, the operational amplifier 62 is also connected with an R19 resistor through a second wire, the other ends of the C14 capacitor and the R22 resistor are connected with the second wire, the second wire is also connected with an R21 resistor, and the other end of the R21 resistor is connected with a negative electrode electric setting; the other end of the R19 resistor is connected to the other end of the feedback resistor 61.

The control switch 51 of the charging control unit 5 is linked with the input end of the feedback resistor 61, and the control switch 51 is connected with the MCU control module through the R18 resistor; the charger unit 4 includes a charging input portion connected to the input port 2 and a charging output portion connected to the output port; the charge control unit 5 and the output load detection unit 6 are connected between the charge input section and the charge output section. The charging output part comprises a U3 chip, and the U3 chip is respectively connected with the output port 3 and the feedback resistor 61; the electric wire for the ground of the charging input section is also connected to a control switch 51, and the control switch 51 is connected to the overall control unit 7 through an R18 resistor.

Referring to fig. 1-6, the MCU control module 71 includes an internal timer for switching on and off the second line, and when the internal timer reaches a predetermined time, the second line is disconnected to disconnect the charger from the load device, and the charging of the load device is stopped. Of course, it may also include that after the MCU control module 71 detects that the current of the feedback resistor 61RS1 has been a certain value through the operational amplifier 62U5 for a certain period of time, the MCU control module 71 controls the internal timer to turn on the timer function, and controls the charging control unit 5 to disconnect the second line after the timer is finished to stop charging the load device 8. Illustratively, a certain value includes 200mA, or around 200mA, or other current value. Some time period includes five minutes, three minutes or 10 minutes, etc., the MCU control module 71 will automatically turn on the timing function of the internal timing element, and the timing time of the internal timing element may be ten minutes, twenty minutes or half an hour, in this application, the timing time of the internal timing element is half an hour, that is, the output is forcibly turned off after delaying for half an hour.

The body 1 is further internally provided with a timing unit, the timing unit is arranged on the first circuit or the second circuit and is connected with the charging control unit 5, and after the timing unit is opened and reaches the timing time of the timing unit, the timing unit controls the first circuit or the second circuit connected with the timing unit to be disconnected, so that the power supply to the load equipment 8 is stopped.

The timing unit comprises a timing module and a timing key switch which are connected, a button is arranged on the body 1, and the button corresponds to the timing key switch; therefore, the on-off of the timing key switch is controlled through the button, the timing module is used for realizing a timing function, the timing key switch is used for opening the timing module, and through the setting of the button, a user can realize the opening of the timing module by pressing the button, so that the operation of the user is facilitated. Illustratively, the timing time of the timing module may be ten minutes, twenty minutes, thirty minutes, or one hour, etc., and after the timing module is turned on and the timing time of the timing module is reached, the timing unit may control the first line or the second line to be disconnected to stop supplying power to the load device 8.

Of course, in the case where the timing module is on, when the output load detection unit 6 detects that the load device 8 has been fully charged, the overall control unit 7 controls the charge control unit 5 to disconnect the second line without waiting until the timing time of the timing module has arrived and then disconnecting the power supply.

The timing unit may further include a timing adjustment button, the body 1 is provided with a timing adjustment button, the timing adjustment button is set corresponding to the timing adjustment button, the timing adjustment button is used for controlling the timing adjustment button, the timing adjustment button is used for adjusting the timing time of the timing module, and the timing time of a certain period of time may be increased by pressing the timing adjustment button once, for example, the timing time of a certain period of time includes five minutes, ten minutes, twenty minutes, or the like. And the amount of increase in the timing time of the timing module after each pressing of the timing adjustment key may be the same or incremental.

The timing time of the timing module has a time upper limit, namely, when the timing time of the timing module reaches the time upper limit, the timing time cannot be increased through the timing adjustment key. For example, the upper time limit may be eight hours or ten hours, etc., and in general, the load device 8 may be fully charged when it is energized for eight hours or ten hours, and no longer-time charging is required to secure safety.

Of course, the timing unit may further include a timing reducing button, and the body 1 is provided with a timing reducing button, where the timing reducing button corresponds to the timing reducing button, and the timing reducing button is used to control the timing reducing button, and the timing reducing button is used to reduce the timing time of the timing module, so as to facilitate use of the user.

It should be noted that, the charger unit and the overall control unit in the present application are not described in detail, where the charger unit has the same structure composition as the charger unit in the prior art, and the overall control unit has the same structure assembly as the overall control unit in the prior art; therefore, the description is omitted herein, and those skilled in the art may directly connect the related components in the prior art to form the solution, and may obtain the related effects described herein. In addition, in this application, the MCU control module is adopted to realize the connection or disconnection of each circuit, and it can be known by those skilled in the art that the MCU control module itself has the obtained signal and realizes a certain control function according to the circuit connection, the application only adopts the components and parts to electrically connect with the MCU module, and the on-off control function adopted is realized through the electrical connection, and the internal structure and the control logic of the MCU control module are not adjusted.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A timed charger, comprising:

the device comprises a body, wherein an input port and an output port are arranged on the body, the input port is used for being connected with mains supply, and the output port is used for being connected with load equipment;

the charger unit is connected with the input port through a first circuit and connected with the output port through a second circuit;

the charging control unit is arranged on the second circuit and is used for adjusting the on-off of the second circuit;

an output load detection unit for detecting a charge amount of the load device; and

and the total control unit is electrically connected with the charging control unit and the output load detection unit.

2. The timed charger according to claim 1, characterized in that the charge control unit comprises a control switch.

3. The timing charger of claim 1, wherein the overall control unit comprises an MCU control module, wherein a key is further provided on the body, wherein the key is connected to a first leg of the MCU control module, and wherein a second leg of the MCU control module is connected to the charging control unit.

4. A timing charger according to claim 3, wherein said output load detection unit comprises a feedback resistor connected to said second line and a detection component for detecting a voltage value flowing through said feedback resistor and electrically connected to said overall control unit.

5. The timing charger of claim 4 wherein said detection assembly comprises an operational amplifier connected to both said feedback resistor and said overall control unit, said operational amplifier being connected to said overall control unit.

6. The timed charger according to claim 5, wherein the MCU control module comprises an internal timer for controlling the on-off of the second line.

7. The timing charger of claim 1 wherein a timing unit is further disposed within said body, said timing unit being disposed on said first line or said second line and being connected to said charge control unit.

8. The timer charger of claim 7, wherein the timer unit comprises a timer module and a timer key switch connected, and the body is provided with a button, and the button corresponds to the timer key switch.

9. The timed charger according to claim 1, characterized in that the input port comprises a plug.

10. The timed charger according to claim 1, characterized in that said output port is provided with at least one, said output port comprising a USB port.