CN210082989U

CN210082989U - Reminding equipment for lithium battery charging

Info

Publication number: CN210082989U
Application number: CN201920699395.7U
Authority: CN
Inventors: 靳连成; 郭晓
Original assignee: Shanghai Cloud Drive Intelligent Technology Co Ltd
Current assignee: Shanghai Cloud Drive Intelligent Technology Co Ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-02-18
Anticipated expiration: 2029-05-15

Abstract

The utility model discloses a reminding device for lithium battery charging, which comprises a shell, wherein a reminding module is arranged in the shell, the reminding module comprises a power circuit, a controller, a detection circuit and a reminding circuit, the input end of the power circuit is connected with the output end of an external lithium battery charger, the output end of the power circuit is respectively connected with the controller, the detection circuit and the reminding circuit, and the detection circuit and the reminding circuit are also respectively connected with the controller; the beneficial effects are as follows: the charging time of a user and the time of pulling out the lithium battery charger are recorded by the detection circuit trigger controller, and after the preset time is reached, the controller drives the reminding circuit to work to remind the user to charge, so that the probability of damage of the battery due to self maintenance problems is reduced.

Description

Reminding equipment for lithium battery charging

Technical Field

The utility model relates to the field of electronic technology, concretely relates to lithium battery charging's warning equipment.

Background

The electric moped is a lithium battery which is used, the lithium battery has self-power consumption, and if the battery is not used for a long time and the capacity of the battery is lower than a critical point, the battery is damaged, so that a general dealer selling the electric moped marks on a manual, a guest needs to be charged once in 3 months, but forgets to charge during actual use, and the battery is likely to be damaged or the performance of the battery is reduced within 2 years of guarantee period.

Disclosure of Invention

The invention of the utility model aims to: a reminding device for lithium battery charging is provided for providing effective charging reminding for a user.

The utility model discloses the technical scheme who takes does: the utility model provides a reminding device that lithium cell charges, includes a casing, the inside warning module that is equipped with of casing, the warning module includes power supply circuit, controller, detection circuitry and warning circuit, power supply circuit's input is connected with outside lithium cell charger's output, power supply circuit's output respectively with controller, detection circuitry and warning circuit connection, detection circuitry and warning circuit still respectively with the controller is connected.

Preferably, the power supply circuit comprises a power conversion circuit and a power isolation circuit; the input end of the power supply conversion circuit is connected with the output end of an external lithium battery charger, the output end of the power supply conversion circuit is connected with the input end of the power supply isolation circuit, and the output end of the power supply isolation circuit is connected with the controller, the detection circuit and the reminding circuit respectively.

Preferably, the detection circuit comprises a resistor RS1, a resistor RS2 and a capacitor C6, one end of the resistor RS1 is connected with an output end of an external lithium battery charger, the other end of the resistor RS1 is connected with one end of the resistor RS2 and one end of the capacitor C6 respectively, the other end of the resistor RS2 and the other end of the capacitor C6 are grounded respectively, and the other end of the resistor RS1 is further connected with the controller.

Preferably, the reminding circuit comprises a light reminding circuit and a sound reminding circuit; the light reminding circuit and the sound reminding circuit are respectively connected with the controller.

Preferably, a serial port pin of the controller is further connected with a communication circuit, and the communication circuit is used for being connected with an external intelligent terminal.

Preferably, the controller is of type G80F903 AX.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the charging time of a user and the time of pulling out the lithium battery charger are recorded by the detection circuit trigger controller, and after the preset time is reached, the controller drives the reminding circuit to work to remind the user to charge, so that the probability of damage of the battery due to self maintenance problems is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of a power conversion circuit according to the present invention;

fig. 3 is a schematic structural diagram of the power isolation circuit of the present invention;

fig. 4 is a schematic structural diagram of a controller according to the present invention;

FIG. 5 is a schematic diagram of the detection circuit of the present invention;

fig. 6 is a schematic structural diagram of the reminding circuit of the present invention;

fig. 7 is a schematic structural diagram of the communication circuit of the present invention.

Detailed Description

Specific embodiments of the present invention will be described in detail below, and it should be noted that the embodiments described herein are only for illustration and are not intended to limit the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known circuits, software, or methods have not been described in detail so as not to obscure the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment," "in an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale.

The present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 7, a reminding device for lithium battery charging comprises a shell, wherein a reminding module is arranged in the shell, the reminding module comprises a power circuit, a controller, a detection circuit and a reminding circuit, the input end of the power circuit is connected with the output end of an external lithium battery charger, the output end of the power circuit is respectively connected with the controller, the detection circuit and the reminding circuit, and the detection circuit and the reminding circuit are respectively connected with the controller.

When in use, the utility model can be connected in series between the lithium battery charger and the lithium battery, or arranged in the lithium battery charger, without limitation, and the shell is provided with an input interface and an output interface; in this embodiment, the controller has a model G80F903AX, the controller has a storage space, and the ninth to twelfth pins of the controller are used as a burning interface, and from the perspective of a person skilled in the art, it is a well-established prior art that the controller realizes a timing function; the power supply circuit comprises a power supply conversion circuit and a power supply isolation circuit; the input end of the power supply conversion circuit is connected with the output end of an external lithium battery charger, the output end of the power supply conversion circuit is connected with the input end of the power supply isolation circuit, and the output end of the power supply isolation circuit is connected with the controller, the detection circuit and the reminding circuit respectively.

Referring to fig. 2 and fig. 3, the power conversion circuit includes a voltage-reducing chip SY8502, which reduces the dc voltage to 4.4V, and then isolates 4.4V through a power isolation circuit, preventing the battery of B1 from reversely feeding onto the voltage-reducing chip, and simultaneously reduces the voltage to 4.1V to charge the battery, and then stabilizes the voltage to 3.3V to supply power to the controller and each power utilization circuit, the specific connections are shown in the figure.

Referring to fig. 4 and 5, the detection circuit includes a resistor RS1, a resistor RS2 and a capacitor C6, one end of the resistor RS1 is connected to an output end of an external lithium battery charger, the other end of the resistor RS1 is connected to one end of the resistor RS2 and one end of the capacitor C6, the other end of the resistor RS2 and the other end of the capacitor C6 are grounded, the other end of the resistor RS1 is further connected to the controller, and in fig. 4, a 14 th pin of the controller is used for voltage acquisition of the lithium battery charger, so that different level signals are generated to trigger the controller when a user starts charging and stops charging.

By adopting the scheme, the detection circuit triggers the controller to record the charging time of the user and the time for pulling out the lithium battery charger, and after the preset time is reached, the controller drives the reminding circuit to work to remind the user to charge, so that the probability of damage of the battery due to self maintenance problems is reduced.

Furthermore, the reminding circuit comprises a light reminding circuit and a sound reminding circuit; the light reminding circuit and the sound reminding circuit are respectively connected with the controller. Therefore, the user is reminded in a mode of combining sound and light, and the specific connection relation is shown in fig. 6.

In this embodiment, a serial port pin of the controller is further connected with a communication circuit, and the communication circuit is used for being connected with an external intelligent terminal. During application, an external intelligent terminal can adopt an upper computer, relevant data such as charging time and the like stored in a self-contained storage space in a controller are read through the upper computer, so that the condition that the performance degradation of the battery is caused by long-time maintenance of the battery by a user or the quality problem of the battery is conveniently inquired, and the structural schematic diagram of the communication circuit is shown in fig. 7.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a reminding device that lithium cell charges, includes a casing, its characterized in that: the lithium battery charger is characterized in that a reminding module is arranged inside the shell and comprises a power circuit, a controller, a detection circuit and a reminding circuit, the input end of the power circuit is connected with the output end of the external lithium battery charger, the output end of the power circuit is connected with the controller, the detection circuit and the reminding circuit respectively, and the detection circuit and the reminding circuit are connected with the controller respectively.

2. The lithium battery charging reminder device of claim 1, wherein: the power supply circuit comprises a power supply conversion circuit and a power supply isolation circuit; the input end of the power supply conversion circuit is connected with the output end of an external lithium battery charger, the output end of the power supply conversion circuit is connected with the input end of the power supply isolation circuit, and the output end of the power supply isolation circuit is connected with the controller, the detection circuit and the reminding circuit respectively.

3. The lithium battery charging reminder device of claim 1, wherein: detection circuitry includes resistance RS1, resistance RS2 and electric capacity C6, the one end of resistance RS1 is connected with outside lithium battery charger's output, resistance RS 1's the other end respectively with resistance RS 2's one end and electric capacity C6's one end are connected, respectively ground connection is equallyd divide to resistance RS 2's the other end and electric capacity C6's the other end, resistance RS 1's the other end still with the controller is connected.

4. The lithium battery charging reminder device of claim 1, wherein: the reminding circuit comprises a light reminding circuit and a sound reminding circuit; the light reminding circuit and the sound reminding circuit are respectively connected with the controller.

5. The reminding device for lithium battery charging as claimed in any one of claims 1 to 4, wherein: and a serial port pin of the controller is also connected with a communication circuit, and the communication circuit is used for being connected with an external intelligent terminal.

6. The reminding device for lithium battery charging as claimed in claim 5, wherein: the controller is of type G80F903 AX.