CN212783572U

CN212783572U - Replaceable lithium battery pack device with voltage transformation function

Info

Publication number: CN212783572U
Application number: CN202021868503.8U
Authority: CN
Inventors: 张戈
Original assignee: Jiangsu Palm International Co ltd
Current assignee: Jiangsu Palm International Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-03-23
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a replaceable lithium battery pack device with voltage transformation function, which comprises a body and a battery pack positioned in the body; the output power supply is connected with the transformer and the input power supply to form a power supply circuit; its characterized in that, output power adopts independent setting's USB output interface and DC output interface to realize and guarantee the normal operating of device, DC output interface has two kinds or two kinds of output voltage that select more than, selects different voltages through control module's button, specifically is 5V,7.4V,9V and 12V, and wherein 5V is the USB output port, 7.4V, and 9V and 12V are the DC output port, the utility model provides a difficult problem that different voltages need different portable power source and traditional portable power source can't change lithium cell electricity core because of the decay of lithium cell capacity, the user only can be for multiple product power supply with this device, also lets portable power source more effectively exert live time and frequency of use, more convenient also more environmental protection.

Description

Replaceable lithium battery pack device with voltage transformation function

Technical Field

The utility model relates to a group battery device has vary voltage function and removable lithium cell group battery device.

Background

At present, along with electronic equipment's wide use, demand to the electric quantity is more and more, and various equipment also has various requirements to the voltage of lithium cell, and the lithium cell has life cycle, embodies more and more drawbacks along with the increase of live time, for example voltage output is unstable, and the decay of lithium cell capacity etc. all can bring very poor experience and use impression for the user. Therefore, users of electronic products often prepare several chargers to replace the chargers for use to meet daily needs.

In the prior art, a polymer of a lithium battery pack/lithium battery of a common charger is 3.7V, and the output voltage is rated at 5V, so that electronic products with other interfaces and voltage requirements on the market cannot be met, and the use is limited.

For certain specific products, such as air-conditioning clothes fans, the corresponding motor voltages are many, such as 5V,7.4V,9V,12V and the like, the traditional charger is used for supplying power, and the ideal effect is probably not achieved due to the fact that the normal voltage is not achieved, and the defect is obvious.

In addition, the treasured that charges in the market at present often embeds lithium cell, and long-time use must lead to the fact battery capacity decay, and this is irreversible, can seriously influence the life-span and the use of treasured that charges and feel.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model aims to provide a structure is through improving, long service life, high and have the removable lithium cell composite set of liter voltage function.

In order to achieve the purpose, the utility model relates to a replaceable lithium battery pack device with voltage transformation function, which comprises a body and a battery pack positioned inside the body; the output power supply is connected with the transformer and the input power supply to form a power supply circuit, the output power supply is realized by adopting a USB output interface and a DC output interface which are independently arranged and ensures the normal operation of the device, and the DC output interface has two or more than two optional output voltages.

Further, the inside group battery of body is chargeable and removable lithium cell, is equipped with the interface that charges on the body, lithium cell detachably installs in the battery compartment, and the use can be taken out the change when lithium cell performance reduces.

Further, still include the battery storehouse lid on the body for cover and protect the lithium cell in the battery storehouse, be equipped with the bayonet socket on the body, be equipped with complex fastener with it on the battery storehouse lid.

Further, the device has a voltage transformation function, wherein the USB output interface 4 is used for 5V output power supply, and the DC output interface is used for 7.4V,9V and/or 12VDC output power supply; the input power supply is connected with the control switch through a circuit, and the control switch can set power-on and power-off of the whole circuit; the input power supply is also connected with the control module through a circuit, and the control module can set the selection of the voltage in the whole circuit.

Further, a 5V output power supply is connected with a transformer, an input power supply and a control switch to form a first power supply circuit, and a 7.4V input power supply constantly outputs 5V voltage after passing through the transformer.

Further, the 7.4V,9V and/or 12V output power supply is connected with the input power supply and the control switch to form a second power supply circuit, and the 7.4V input power supply constantly outputs 7.4V,9V and/or 12V voltage.

Furthermore, the switching is realized by long pressing of a power key button/voltage regulating button on the body, the switching function can be realized by single light touch of the power key button/voltage regulating button on the body, and the switching of different output voltages can be realized by long pressing of the button.

Further, a separate power key button and a separate voltage adjusting button are provided, or a plurality of selectable voltage buttons are separately provided according to different output voltage values.

Further, the output power supply is 5V/2A, the input power supply is 7.4V, and the input power supply is a series device of two 3.7V18650 lithium batteries; the body is also provided with an electric quantity display lamp capable of displaying electric quantity and a display screen capable of displaying the current output voltage value of the DC output interface.

Further, the battery pack is a mobile power supply or a charger.

The utility model discloses have vary voltage function and removable lithium cell composite set, become multiple voltage combination with the output voltage of lithium cell by single, it is limited only to have solved among the prior art rated voltage and the electronic product that leads to using, increases the function of removable lithium cell group simultaneously, has solved long-time that prior art exists, and the high frequency uses the lithium cell and the capacity attenuation that leads to, the utility model discloses in, the lithium cell group part homoenergetic can easily be dismantled, dismantles from lithium cell device very easily to the application range and the suitability of product have been extensively increased.

Drawings

Fig. 1 is an expanded view of a replaceable lithium battery pack device having a voltage transformation function;

FIG. 2 is a schematic diagram of a battery compartment of the device;

FIG. 3 is a circuit diagram of an output power supply of 5V;

FIG. 4 is a circuit diagram of an output power supply of 7.4V;

FIG. 5 is a circuit diagram of an output power supply of 9V;

FIG. 6 is a circuit diagram of an output power supply of 12V;

the reference numbers illustrate:

the power supply control system comprises a control switch 1, a 20-input power supply, a 3-control module, a 4-USB output interface, a 5-DC output interface, a 50-7.4V output power supply, a 60-9V output power supply, a 70-12V output power supply, an 8-input 5V2A charging interface, a 9-power key button/voltage regulating button, a 10-display indicator lamp, an 11-battery bin, a 12-body and a 13-transformer.

Detailed Description

The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. The present invention may, however, be embodied in many different forms and should not be construed as limited to the exemplary embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

For ease of description, spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial 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 figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 and 2, the utility model relates to a removable lithium cell group device with vary voltage function, including device body 12, transformer 13, charge interface 8, USB output interface 4 and DC output interface 5. The body 12 further comprises a battery compartment 11 capable of being butted and accommodating batteries, and two sections of cylindrical lithium batteries can be accommodated in the battery compartment 11. Wherein the USB output interface 4 is used for a 5V-USB output power supply 40, and the DC output interface 5 is used for a 7.4V/9V/12V-DC output power supply (50,60, 70).

The 5V output power supply 40 is connected with the transformer 13, the input power supply 20 and the control switch 1 to form a first power supply circuit, and 5V voltage is constantly output after the 7.4V input power supply 20 and the transformer 13.

7.4V/9V/12V-DC output power supply (50,60,70) is connected with the input power supply 20 and the control switch 1 to form a second power supply circuit, and the 7.4V input power supply 20 constantly outputs 7.4V/9V/12V voltage. DC output interface 5 can be for standard circular interfaces such as DC2.0 interface, DC4.0 interface, also can be the customization interface that sets up according to the in-service use needs, and this customization interface is the interface that accords with the basic parameter requirement of the power output that technical personnel in the field are familiar, and its specific shape can be designed according to operating condition, thereby increases the utility model discloses the use scene of lithium cell group device increases application range.

The utility model discloses well 5V2A interface 8 that charges adopts the Micro-USB interface, takes the function of charging, can be for the 18650 lithium battery power supplies of device in battery compartment 11, and input voltage electric current is 5V 2A. The battery compartment 11 of the body 12 is further provided with a removable battery compartment cover (not shown) for covering and protecting the lithium battery, which can be removed and installed from the body 12 for replacing the lithium battery inside. When the performance of the lithium battery in the lithium battery is reduced due to capacity attenuation and the like, the lithium battery can be replaced by a new battery.

The transformer 13 transforms the input power 20 of 7.4V and outputs the products with voltages suitable for 5V,7.4V,9V and 12V, and ensures the normal operation of the products.

When the power supply is used specifically, the power output power supplies (40,50,60 and 70) can be independently set to be 5V,7.4V,9V and 12V, switching can be realized by long pressing of the power key button/voltage regulating button 9 on the body 12, a switching function can be realized by single light touch of the power key button/voltage regulating button 9 on the body 12, and switching of different voltages can be realized by long pressing of the button 9; for example, the DC output interface 5 may be set to output a voltage of 7.4V by default after being turned on, the DC output interface 5 may output a voltage of 9V by pressing the power key button/voltage regulating button 9 once, output a voltage of 12V by pressing for a long time again, change to a voltage of 7.4V by pressing for a long time again, and sequentially cycle. Alternatively, a single power key button and a single voltage regulation button may be provided, or a plurality of voltage buttons may be provided separately according to different output voltage values, for example, a 7.4V button, a 9V button, and a 12V button are provided, respectively, and when the 9V button is pressed, the DC output interface 5 outputs a 9V voltage, and when the 12V button is pressed, the DC output interface 5 outputs a 12V voltage.

In addition, it is preferable that the main body is further provided with a power display lamp 10 capable of displaying the power and a display screen (not shown) capable of displaying the current output voltage value of the DC output interface 5.

As shown in fig. 3, the output power source 40 connects the control module 1, the control switch 3, the transformer 13 and the input power source 20 together, so that the USB output interface 4 reasonably arranges the control module 1, the control switch 3, the transformer 13 and the input power source 20 on the body 12.

The transformer 3 constantly outputs the 7.4V input power supply 20 to 5V driving voltage, and drives a product suitable for 5V voltage to normally work.

As shown in fig. 4, the output power source 50 connects the control module 1, the control switch 3 and the input power source 20 together, so that the DC output interface 5 reasonably arranges the control module 1, the control switch 3 and the input power source 20 on the body 12.

The 7.4V input power supply 20 directly outputs 7.4V driving voltage to drive products suitable for 7.4V voltage to normally work.

As shown in fig. 5, the output power source 60 connects the control module 1, the control switch 3, the transformer 13, and the input power source 20 together, so that the output interface 5 reasonably arranges the control module 1, the control switch 3, the transformer 13, and the input power source 20 on the body 12.

The transformer 3 constantly outputs the 7.4V input power supply 20 to 9V driving voltage, and drives a product suitable for 9V voltage to normally work.

As shown in fig. 6, the output power source 70 connects the control module 1, the control switch 3, the transformer 13, and the input power source 2 together, so that the output interface 5 reasonably arranges the control module 1, the control switch 3, the transformer 13, and the input power source 20 on the body 12.

The transformer 13 constantly outputs the 7.4V input power supply 20 to 12V driving voltage, and drives the practical 12V product to normally work. The input power supply is direct current 7.4V, and the USB output end is sequentially connected with the transformer and the lithium battery pack through a circuit to form a first power supply circuit; the DC round port output end is sequentially connected with the transformer and the lithium battery pack through the power supply line to form a second power supply circuit, wherein the charging port is a Micro-USB input interface, and an independent circuit is arranged between the charging port and the lithium battery pack to realize a charging function and ensure the normal operation of the lithium battery pack device.

A transformer is arranged between the USB output interface and the lithium battery pack; and a transformer is arranged between the DC circular output interface and the lithium battery pack.

A control module is arranged between the input power supply and the lithium battery pack; the control module is provided with a power key/voltage regulating key, and the output voltage and the working mode are controlled by the key.

The utility model has the advantages that: the utility model discloses with input power supply, output power supply, the transformer, control switch, control module is reasonable arranges on this device body that the invariable output of input power supply with 7.4V is 5V through the transformer, 7.4V,9V,12V voltage, is applicable to the product of multiple voltage, and the product of having avoided different voltages needs the portable power source of various types of voltage, has rational in infrastructure, and the practicality is strong, the wide advantage of range of application.

Claims

1. A battery pack device includes a body and a battery pack located inside the body; the output power supply is connected with the transformer and the input power supply to form a power supply circuit; the device is characterized in that the output power supply adopts a USB output interface and a DC output interface which are independently arranged to realize and ensure the normal operation of the device, and the DC output interface has two or more than two optional output voltages.

2. The battery pack device as claimed in claim 1, wherein the battery pack inside the body is a rechargeable and replaceable lithium battery, the body is provided with a charging interface, and the lithium battery is detachably mounted in the battery compartment and can be taken out and replaced when the performance of the lithium battery is reduced and the use is affected.

3. The battery pack device according to claim 2, wherein the body further comprises a battery compartment cover for covering and protecting the lithium battery in the battery compartment, the body is provided with a bayonet, and the battery compartment cover is provided with a fastener engaged with the bayonet.

4. The battery pack apparatus of claim 1, wherein the apparatus has a voltage transformation function, wherein the USB output interface is for a 5V output power supply, and the DC output interface is for a 7.4V,9V and/or 12VDC output power supply; the input power supply is connected with the control switch through a circuit, and the control switch can set power-on and power-off of the whole circuit; the input power supply is also connected with the control module through a circuit, and the control module can set the selection of the voltage in the whole circuit.

5. The battery pack apparatus as claimed in claim 4, wherein the 5V output power is connected to a transformer, the input power and the control switch to form the first power supply circuit, and the 7.4V input power constantly outputs a 5V voltage after passing through the transformer.

6. The battery pack device as claimed in claim 5, wherein the 7.4V,9V and/or 12V output power source is connected with the input power source and the control switch to form a second power supply circuit, and the 7.4V input power source constantly outputs 7.4V,9V and/or 12V voltage.

7. The battery pack device according to claim 6, wherein the switching is performed by long pressing of the power key button/voltage regulating button on the body, a single touch of the power key button/voltage regulating button on the body can perform a switching function, and the long pressing of the button can perform switching of different output voltages.

8. The battery pack device according to claim 6, wherein a separate power key button and a separate voltage regulation button are provided, or a plurality of selectable voltage buttons are provided separately according to different output voltage values.

9. The battery pack apparatus according to any one of claims 1-8, wherein the output power is 5V/2A, the input power is 7.4V, and the input power is two 3.7V18650 lithium battery series devices; the body is also provided with an electric quantity display lamp capable of displaying electric quantity and a display screen capable of displaying the current output voltage value of the DC output interface.

10. The battery pack apparatus according to any one of claims 1 to 8, wherein the battery pack is a mobile power supply or a charger.