CN202424272U

CN202424272U - Battery with electric quantity indication

Info

Publication number: CN202424272U
Application number: CN2012200516007U
Authority: CN
Inventors: 刘军; 夏秀华
Original assignee: SHENZHEN FIRSTAR INDUSTRY CO LTD
Current assignee: SHENZHEN FIRSTAR INDUSTRY CO LTD
Priority date: 2012-02-17
Filing date: 2012-02-17
Publication date: 2012-09-05
Anticipated expiration: 2022-02-17

Abstract

The utility model relates to a battery that electric quantity instructed, be in including electric core and rather than voltage divider network (B), host system (D) and the setting of electricity connection in proper order a plurality of pilot lamps (LED 1, LED2, LED3 or LED 4) on the battery case, host system (D) still electricity is connected the timing unit and is set up electric quantity instruction control button (K1) on the battery case. The battery with the electric quantity indication can provide the electric quantity indication for the non-intelligently managed electric equipment, and automatically extinguishes after the indicating lamp is lightened for 3 seconds, so that the power-saving function is achieved.

Description

Battery with electric quantity indication

Technical Field

The utility model relates to a battery, concretely relates to battery of charge level instruction.

Background

The appearance of the recyclable rechargeable lithium ion battery brings great convenience to the life of people, and the recyclable rechargeable lithium ion battery is widely applied to products such as mobile phones, digital cameras, medical equipment, portable computers, audio-visual equipment, electric tools and the like.

For some non-intelligently managed electric equipment (such as electric drills and advanced bicycle lighting systems), the electric equipment does not have a battery capacity metering and capacity display part. For the terminal user, it is very necessary to know the state of the electric quantity of the battery in time, so that people can be reminded to charge the battery in time, and the problem that the used tool cannot work normally due to the fact that the battery is short of electricity is avoided. Therefore, engineering technicians design a real-time electric quantity display circuit structure for own battery products, humanized functions are added for own products, and the improvement of the market competitiveness of the products is very meaningful.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve is, how to provide a battery of charge level instruction, can the direct display battery power.

The utility model discloses technical problem solves like this: the battery with the electric quantity indication function comprises an electric core and is characterized by further comprising a voltage division network, a main control module and a plurality of indicator lamps, wherein the voltage division network is sequentially and electrically connected with the electric core, the plurality of indicator lamps are arranged on a battery shell, and the main control module is further electrically connected with a timing unit and an electric quantity indication control key arranged on the battery shell.

According to the utility model provides a battery of electric charge volume indication, the pilot lamp is three.

According to the utility model provides a battery of electric charge volume indication, the pilot lamp is four.

According to the utility model provides a battery of electric charge volume indication, the pilot lamp is five.

According to the utility model provides a battery of electric quantity indication, the partial pressure network includes a plurality of resistances.

According to the utility model provides a battery of electric charge volume indication, voltage divider network still includes electric capacity.

According to the utility model provides a battery with electric quantity indication, host system is the singlechip, place in the timing unit in this singlechip.

According to the utility model provides a battery of electric charge volume indication still includes the electricity and is connected voltage stabilizing module or stabiliser between singlechip and the electricity core.

According to the utility model provides a battery that electric charge volume instructed, the battery is any one of alkaline zinc-manganese cell, cadmium-nickel battery, hydrogen-nickel battery, lithium ion battery or lithium cell.

According to the utility model provides a battery of electrified volume indication, the battery is rechargeable battery.

The utility model provides a battery with electric quantity instruction closes electric quantity instruction, electric quantity detection and battery as an organic whole, compares with prior art and has following advantage:

1. the non-intelligently managed electric equipment provides an electric quantity indication;

2. the indicator light is automatically turned off after being lighted for 3 seconds, thereby achieving the function of saving electricity.

Drawings

The present invention will be further described in detail with reference to the drawings and specific embodiments.

Fig. 1 is a schematic diagram of an external structure of a battery with a charge indicator according to the present invention;

fig. 2 is a schematic diagram of an internal circuit configuration of the battery shown in fig. 1.

Detailed Description

First, the idea of the present invention is explained:

with the singlechip that a performance price ratio possesses market advantage, through carrying out modulus (AD) to battery voltage and detecting, synthesize the measurement by the relation of singlechip to battery voltage and battery capacity relative proportion, finally show the capacity relative percentage through LED light, be the utility model discloses a core and key.

Secondly, the present invention will be described in detail with reference to the following specific embodiments:

(I) part Structure

As shown in fig. 1, the battery with electric quantity display of the embodiment of the present invention additionally provides four electric quantity indicating lamps LED1, LED2, LED3 and LED4 and an electric quantity indicating control key K1 on the front of the housing. The number of the lighting indicator lamps LED1, LED2, LED3 and LED4 represents the relative percentage of the current capacity of the battery to the capacity of the battery, each lighted indicator lamp represents 25% of the capacity of the battery, and the indicator lamps LED1, LED2, LED3 and LED4 are lighted from top to bottom.

(II) Circuit

The utility model discloses battery internal control circuit that electrified volume shows of specific embodiment, the structure is as shown in FIG. 2, including four bold of voltage stabilizing module A, voltage divider network B, electric quantity indicating part C and host system D, wherein:

the voltage stabilizing module A is a voltage stabilizing power supply system of the singlechip, consists of a low-loss high-stability high-performance voltage stabilizing device U2 and capacitors C1, C2, C3 and C4, outputs a 3.3V voltage stabilizing power supply and supplies the voltage stabilizing power supply to the singlechip;

the voltage division network B consists of high-precision resistors R1 and R2 and a capacitor C5, and the cell voltage is input to the 11 th pin of the singlechip U1 according to a high-stability fixed voltage division ratio for the singlechip to carry out calculation processing;

the electric quantity indicating part C is composed of resistance elements R3, R4, R5 and R6, electric quantity indicating lamps LED1, LED2, LED3 and LED4 and an electric quantity indicating control key K1. And the electric quantity indicator lamps LED1, LED2, LED3 and LED4 display the electric quantity according to the display gradient of 25 percent of the electric quantity. The electric quantity indicating control key K1 is used for checking the battery capacity, the key K1 is pressed, the electric quantity indicating lamps LED1, LED2, LED3 and LED4 carry out light emitting indication according to the relative capacity percentage of the battery, and the electric quantity indicating lamps are automatically turned off after being turned on for 3 seconds, so that the electricity saving function is achieved;

the main control module D consists of a singlechip U1 (SN 78P2711 type chip) and a capacitor C6, the singlechip U1 is an intelligent core device for the whole electric quantity metering display, and a singlechip program designed by software personnel supports the full-automatic operation of the singlechip. The software control center module comprises: an analog-to-digital A/D conversion module; a key interruption response module; an I/O control module and an energy-saving control instruction module.

Finally, variations within the scope of the claims are within the scope of the invention as understood by those of ordinary skill in the art.

Claims

1. The utility model provides a battery that electric quantity was instructed, includes electric core, its characterized in that still include with electric core electricity connection in proper order divide voltage network (B), host system (D) and set up and be in a plurality of pilot lamps (LED 1, LED2, LED3 or LED 4) on the battery case, host system (D) still electricity connection timing unit and setting are in electric quantity indication control button (K1) on the battery case.

2. The battery of claim 1, wherein the indicator lights are three.

3. The battery according to claim 1, characterized in that the number of indicator lights (LED 1, LED2, LED3 and LED 4) is four.

4. The battery of claim 1, wherein the indicator lights are five.

5. The battery according to claim 1, wherein the voltage divider network (B) comprises a plurality of resistors (R1, R2).

6. The battery according to claim 5, wherein the voltage divider network (B) further comprises a capacitor (C5).

7. The battery of claim 1, wherein the main control module comprises a single chip microcomputer (U1), and the timing unit is embedded in the single chip microcomputer (U1).

8. The battery of claim 7, further comprising a voltage stabilizing module (a) or a voltage stabilizer (U2) electrically connected between the single chip microcomputer (U1) and the battery core.

9. The cell defined in claim 1, wherein the cell is any one of an alkaline zinc-manganese cell, a cadmium-nickel cell, a hydrogen-nickel cell, a lithium-ion cell, or a lithium cell.

10. The battery of claim 1 or 9, wherein the battery is a rechargeable battery.