CN204732929U - A kind of portable power source with wireless charging function - Google Patents

A kind of portable power source with wireless charging function Download PDF

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Publication number
CN204732929U
CN204732929U CN201520468633.5U CN201520468633U CN204732929U CN 204732929 U CN204732929 U CN 204732929U CN 201520468633 U CN201520468633 U CN 201520468633U CN 204732929 U CN204732929 U CN 204732929U
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China
Prior art keywords
housing
power source
circuit
portable power
wireless charging
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CN201520468633.5U
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Chinese (zh)
Inventor
林桂江
任连峰
陈跃鸿
杨凤炳
谢文卉
秦铖
陈木坚
林艺伟
邓伟舜
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Xiamen Xin Ye Science And Technology Ltd
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Xiamen Xin Ye Science And Technology Ltd
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Abstract

The utility model discloses a kind of portable power source with wireless charging function, and it comprises the first housing and is nested in the second housing in the first housing, is provided with portable power source circuit, establishes wireless charging emitter in the second housing in the first housing; The outer surface of described first housing caves inward formation one groove, and the second housing is just placed in this groove, and it is in aggregates that the first housing and the second housing link up shape smoothly; Described first enclosure interior is provided with battery pack, and battery pack and portable power source circuit are electrically connected; Be provided with electric-conductor in described groove, by this electric-conductor, wireless charging emitter and battery pack be electrically connected.

Description

A kind of portable power source with wireless charging function
Technical field
The utility model relates to portable power source field, in particular a kind of portable power source with wireless charging function.
Background technology
In recent years, portable electric appts, as mobile phone, panel computer etc., is promoted the use of on a large scale, and the general power consumption of this electronic product is very large, and therefore portable power source arises at the historic moment, and is able to large-scale promotion application.Portable power source is a kind of portable charger integrating power supply and charge function, can charge whenever and wherever possible or standby power to digital equipments such as mobile phones, generally using lithium battery or dry cell as charge storage unit, there is Large Copacity, multipurpose usually, volume is little, the life-span is long and the feature such as safe and reliable.
Portable power source has three kinds on the market at present, comprises wired rechargeable portable power source, the wireless charging treasured that wireless charging type portable power source and two kinds of charging modes are solidified togather; Although these three kinds of portable power sources can charge to electronic equipment, two terminal equipments cannot be met and charge simultaneously.At present, user often can carry multiple electronic equipment with oneself in a mobile environment, as more than two or two mobile phones, panel computers etc., when more than two or two electronic equipments need charging, user typically uses portable power source first to an electronic equipment charging, to be charged complete, then gives another electronic equipment charging, charging interval is oversize, and charging process user can not use two electronic equipment chargings simultaneously.For this problem, most of user can use two portable power sources to charge to two electronic equipments simultaneously, and carrying two portable power sources can make troubles to user in a mobile environment, and quantity is many, easily loses.
For this reason, one section of application number is the patent of invention of 201510083114.1, disclose a kind of wireless charging type portable power source, include the power supply main body of a rectangular shape, in power supply main body, storage battery is installed, the control circuit be connected with storage battery, the charging inlet be connected with control circuit respectively and push-button switch; At least one wall of power supply main body is provided with wireless charging output module, and wireless charging output module is connected with control circuit, is connected with first shell outside described power supply main body, and the outside of the first shell is connected with a second housing; By configuring two shells, enabling power supply main body be expanded to the state of inclination vertical or horizontally, being convenient to mobile phone and being placed on when power supply main body is charged, can mobile phone be supported as support by power supply main body, user-friendly mobile phone simultaneously.Although this portable power source also achieves wireless charging function simultaneously, but the circuit of wireless charging and wired charging merges by it, need to do overall large change to existing portable power source, this is for existing portable power source production firm, and the difficulty in existing realization has again the difficulty in production.
Utility model content
Therefore, for above-mentioned problem, the utility model proposes a kind of portable power source with wireless charging function, wireless charging module is set up on existing portable power source basis, this wireless charging module and former portable power source independently, are independent of each other; Meanwhile, after considering that wireless charging module and portable power source combine, if used simultaneously, its heat-sinking capability is poor, improves existing portable power source structure, strengthens the heat-sinking capability of wireless charging module, improves the useful life of this portable power source.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is as follows: a kind of portable power source with wireless charging function, comprise the first housing and be nested in the second housing in the first housing, be provided with portable power source circuit in first housing, in the second housing, establish wireless charging emitter; The outer surface of described first housing caves inward formation one groove, and the second housing is just placed in this groove, and it is in aggregates that the first housing and the second housing link up shape smoothly; Described first enclosure interior is provided with battery pack, and battery pack and portable power source circuit are electrically connected; Being provided with electric-conductor in described groove, by this electric-conductor, wireless charging emitter and battery pack being electrically connected, for obtaining power supply from battery pack.
Concrete, in order to attractive in appearance, described groove is circular groove, and described second housing is short cylindrical structure.As a kind of feasible scheme, be provided with the spring steel ring that has conducting function in this circular groove, wireless charging emitter is connected with battery pack by this spring steel ring.Spring steel ring wherein also can be that other electric-conductors realize, and the copper sheet such as with conducting function crosses the electric-conductor of golden material.
Conveniently place and be provided with the second housing of wireless charging emitter, described first housing is provided with buckle structure, and the second housing is provided with the buckle structure corresponding with the first housing, thus the first housing and the second housing is blocked be not easy to drop.Such as, in the groove of the first housing, at least two Elastic buckles are also set, for fixed wireless charging emitter.Certainly,
In addition, the bottom of the first housing is also provided with starting key, indicator light, power interface, the parts such as USB interface.The power interface of the first housing bottom connects civil power by wire, for batteries charging.
Meanwhile, the first enclosure interior is also equipped with battery charging and discharging managing chip, connects battery pack, for providing stable supply voltage; First housing bottom power interface, starting key, indicator light and USB interface are all connected with battery charging and discharging managing chip; The external terminal of first housing bottom USB interface, for terminal charge.
Be located at the wireless charging emitter in the second housing, comprise transmitting coil and radiating circuit, transmitting coil and radiating circuit are electrically connected.As a feasible scheme, be provided with buckle in the groove of the first housing, the circumference of the second housing has fastener, and this fastener is made up of two circular steel rings, is fixed on the second housing surrounding; Groove is formed, for blocking buckle in the middle of two circular steel rings; Described second housing surrounding is also provided with a USB slot, for external power supply; The electric-conductor that circular steel ring also can adopt other to have conducting function realizes, and such as copper sheet crosses the electric-conductor of nickel material.This scheme makes whole portable power source structure simple, is easy to realize.
Described radiating circuit comprises LDO (low dropout regulator, low pressure difference linear voltage regulator) power management chip, Microprocessor S3C44B0X chip, full bridge driving circuit, transmitting coil, testing circuit and demodulator circuit; Described testing circuit, launches way circuit current/voltage by detecting, and testing result is fed back to the process of Microprocessor S3C44B0X chip, for realizing foreign bodies detection function; Described transmitting coil, for being transferred to receiving coil by energy signal; Described LDO power management chip, for providing supply voltage for Microprocessor S3C44B0X chip operation; Described demodulator circuit, for the packet demodulation of being fed back by receiving terminal out, and feeds back to the process of Microprocessor S3C44B0X chip; Described circular steel ring and LDO power management chip, testing circuit and full bridge driving circuit connect, for providing portable power source battery power voltage; Described USB slot and LDO power management chip, testing circuit and full bridge driving circuit connect, for providing the supply voltage of external power supply; Described LDO power management chip is connected with described Microprocessor S3C44B0X chip; The output of described Microprocessor S3C44B0X chip is connected with the input of described full bridge driving circuit; The output of described full bridge driving circuit is connected with the input of described testing circuit, and the output of described full bridge driving circuit is connected with described transmitting coil input; The output of described transmitting coil is connected with the input of described demodulator circuit; The output of described demodulator circuit is connected with the input of described Microprocessor S3C44B0X chip; The output of described testing circuit is connected with the input of described Microprocessor S3C44B0X chip.
As a concrete scheme, described battery pack is poly-lithium battery, for storing and release electricity.This polymer lithium cell electric source exports as 5V/2.1A, for directly connecting terminal charge.Described indicator light, for showing poly-lithium battery current power state; Described power interface power supply is input as 5V/2A, for charging to poly-lithium battery; The connection of described battery charging and discharging managing chip and described poly-lithium battery, for realizing the management of charging and discharging of polymer lithium cell electric amount.
In order to realize the detachable function of the first housing and wireless charging emitter, the utility model blocks the groove that described wireless charging emitter second housing surrounding two circular steel rings form, for fixed wireless charging emitter by two Elastic buckles on described first housing upper end circular groove;
Further, in order to realize the Energy Transfer between portable power source and wireless launcher, as a better technical scheme, described spring steel ring and described circular steel ring carry out contact electric connection.
Because the charge-discharge performance impact of temperature on battery is very large, electrochemical reaction on electrode and electrolyte liquor interface is relevant with ambient temperature, if the too high meeting of temperature produces inside battery chemical balance and destroys, cause side reaction, affect battery life, in order to improve battery life, the utility model utilizes detachable function, by portable power source and wireless charging are separately used, the heat that the heat produced in portable power source charging process and wireless charging supplying power for outside produce carries out independent heat radiation, both heats in charging process are avoided to superpose, temperature is caused to raise too fast, affect battery life.Meanwhile, in order to strengthen heat-sinking capability further, described second housing makes smooth surface, and namely each corner is fillet design, makes to form space of dispelling the heat between the first shell and second housing.
Compared with prior art, a kind of beneficial effect with the portable power source of wireless charging function of the utility model is as follows:
(1) the first housing described in the utility model and wireless charging emitter block the groove that described wireless charging emitter second housing surrounding two circular steel rings form, for fixed wireless charging emitter by two Elastic buckles on described first housing upper end circular groove; Utilize the contact of described spring steel ring and described circular steel ring to be electrically connected, realize Energy Transfer, simplicity of design, facilitate easy-to-use, and be easy to realize, do not need former portable power source producer significantly to improve its circuit and can realize making;
(2) the utility model has detachable function, can according to the demand of user, combined charging or separately charging separately.During combination, be easy to carry; When being separately used alone, two terminals can being met and charge simultaneously, substantially reduce the stand-by period of multi-section charging equipment, raise the efficiency, and can ensure that in charging process temperature heats up in normal range (NR), substantially increases battery life, use safety;
(3) the utility model is by portable power source integrated wireless charging emitter, structure is simple, charging time without the need to connecting wire, with fill with.
Accompanying drawing explanation
Fig. 1 is the portable power source structural representation of embodiment of the present utility model;
Fig. 2 is the first housing and the wireless charging emitter fractionation structure chart of embodiment of the present utility model;
Fig. 3 is wireless charging emitter structure chart of the present utility model;
Fig. 4 is the first housing bottom floor map of the present utility model;
Fig. 5 is circuit block diagram of the present utility model;
In figure, mark is as follows:
1, the first housing, the 2, second housing, 3, groove, 4, spring steel ring, 5, Elastic buckle, 6, the first housing bottom, 21, USB slot, 22, circular steel ring, 23, the second case top one side, 61, indicator light, 62, starting key, 63, power interface, 64, USB interface.
Embodiment
Now with embodiment, the utility model is further illustrated by reference to the accompanying drawings.
As illustrated in fig. 1 and 2, a kind of portable power source with wireless charging function of the present utility model, is characterized in that, the second housing 2 comprising the first housing 1 and be nested in the first housing 1, be provided with portable power source circuit in first housing 1, in the second housing 2, establish wireless charging emitter; The outer surface of described first housing formation one groove 3, second housing 2 that caves inward just is placed in this groove 3, and it is in aggregates that the first housing 1 and the second housing 2 link up shape smoothly; Described first housing 1 inside is provided with battery pack, and battery pack and portable power source circuit are electrically connected; Being provided with electric-conductor in described groove 3, by this electric-conductor, wireless charging emitter and battery pack being electrically connected, for obtaining power supply from battery pack.
As a concrete example, the upper end of the first housing 1 has a circular groove 3, for embedded second housing 2; Battery pack is equipped with in first housing 1 inside, and the circular groove 3 of the first housing 1 upper end is provided with the spring steel ring 4 that has conducting function, for connecting wireless charging emitter, realizes Energy Transfer.Battery pack is connected with the wireless charging emitter in the second housing 2, for providing power supply by the spring steel ring 4 with conducting function.Two Elastic buckles 5 are also provided with, for fixing the second housing 2 in the circular groove 3 of the first housing 1 upper end.Spring steel ring also can be the electric-conductor that the copper sheet with conducting function crosses golden material and realizes.
As shown in Figure 3, wireless charging emitter comprises transmitting coil and radiating circuit; Second case top one side 23 is provided with transmitting coil, and transmitting coil is connected with radiating circuit and is placed in the second housing 2 inside.Second housing 2 surrounding is provided with fastener, and in the present embodiment, this fastener is made up of two circular steel rings 22, and circular steel ring 22 stacks and is fixed on the circumference of the second housing; Groove is formed, for blocking buckle in the middle of two circular steel rings; Second housing surrounding is also provided with a USB slot 21, for external power supply; Circular steel ring also can be that copper sheet crosses nickel material, has the electric-conductor of conducting function.
See Fig. 4, the first housing bottom 6 is also provided with indicator light 61, starting key 62, power interface 63 and USB interface 64.In addition, the first housing 1 inside is also provided with battery charging and discharging managing chip, and this battery charging and discharging managing chip is electrically connected battery pack, for providing stable supply voltage; First housing 1 bottom power interface connects civil power by wire, for supplying batteries charging; The power interface of the first housing bottom, starting key, indicator light and USB interface are all connected with battery charging and discharging managing chip; The external terminal of first housing bottom USB interface, for supplying terminal charge.
As shown in Figure 5, radiating circuit comprises LDO power management chip, Microprocessor S3C44B0X chip, full bridge driving circuit, transmitting coil, testing circuit and demodulator circuit; Testing circuit, launches way circuit current/voltage by detecting, and testing result is fed back to the process of Microprocessor S3C44B0X chip, for realizing foreign bodies detection function; Transmitting coil, for being transferred to receiving coil by energy signal; LDO power management chip, for providing supply voltage for Microprocessor S3C44B0X chip operation; Demodulator circuit, for the packet demodulation of being fed back by receiving terminal out, and feeds back to the process of Microprocessor S3C44B0X chip; Circular steel ring and LDO power management chip, testing circuit and full bridge driving circuit connect, for providing portable power source battery power voltage; USB slot and LDO power management chip, testing circuit and full bridge driving circuit connect, for providing the supply voltage of external power supply; LDO power management chip is connected with Microprocessor S3C44B0X chip; The output of Microprocessor S3C44B0X chip is connected with the input of full bridge driving circuit; The output of full bridge driving circuit is connected with the input of testing circuit, and the output of full bridge driving circuit is connected with transmitting coil input; The output of transmitting coil is connected with the input of demodulator circuit; The output of demodulator circuit is connected with the input of Microprocessor S3C44B0X chip; The output of testing circuit is connected with the input of Microprocessor S3C44B0X chip.
In addition, the battery pack of the first housing 1 inside is poly-lithium battery, for storing and release electricity; Indicator light, for showing poly-lithium battery current power state; Polymer lithium cell electric source exports as 5V/2.1A, for directly connecting terminal charge; Power interface power supply is input as 5V/2A, for charging to poly-lithium battery; The connection of battery charging and discharging managing chip and poly-lithium battery, for realizing the management of charging and discharging of polymer lithium cell electric amount.
In above-described embodiment of the present utility model, the first housing 1 and the second housing 2 block the groove that the circular steel ring 22 of the second housing surrounding two forms, for fixing the second housing by two Elastic buckles 5 in the circular groove 3 of the first housing 1 upper end; Utilize the contact of spring steel ring and circular steel ring to be electrically connected, realize Energy Transfer.
The utility model has detachable function, can according to the demand of user, combined charging or separately charging separately.During combination, be easy to carry; When being separately used alone, two terminals can being met and charge simultaneously, substantially reduce the stand-by period of multi-section charging equipment, raise the efficiency, and can ensure that in charging process temperature heats up in normal range (NR), substantially increases battery life, use safety.
The utility model by portable power source integrated wireless charging emitter, structure is simple, charging time without the need to connecting wire, with fill with.
Although specifically show in conjunction with preferred embodiment and describe the utility model; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection range of the present utility model.

Claims (7)

1. there is a portable power source for wireless charging function, it is characterized in that: comprise the first housing and be nested in the second housing in the first housing, be provided with portable power source circuit in the first housing, in the second housing, establish wireless charging emitter; The outer surface of described first housing caves inward formation one groove, and the second housing is just placed in this groove, and it is in aggregates that the first housing and the second housing link up shape smoothly; Described first enclosure interior is provided with battery pack, and battery pack and portable power source circuit are electrically connected; Be provided with electric-conductor in described groove, by this electric-conductor, wireless charging emitter and battery pack be electrically connected.
2. portable power source according to claim 1, is characterized in that: described groove is circular groove, and described second housing is short cylindrical structure.
3. portable power source according to claim 1, is characterized in that: described first housing is provided with buckle structure, and the second housing is provided with the buckle structure corresponding with the first housing, thus the first housing and the second housing holding are not easily dropped.
4. portable power source according to claim 3, is characterized in that: be provided with buckle in the groove of the first housing, and the circumference of the second housing has fastener, and this fastener is made up of two circular steel rings, is fixed on the second housing surrounding; Groove is formed, for blocking buckle in the middle of two circular steel rings.
5. portable power source according to claim 1, is characterized in that: described wireless charging emitter comprises transmitting coil and radiating circuit, and transmitting coil and radiating circuit are electrically connected.
6. portable power source according to claim 5, is characterized in that: described radiating circuit comprises LDO power management chip, Microprocessor S3C44B0X chip, full bridge driving circuit, transmitting coil, testing circuit and demodulator circuit; Described testing circuit, launches way circuit current/voltage by detecting, and testing result is fed back to the process of Microprocessor S3C44B0X chip, for realizing foreign bodies detection function; Described transmitting coil, for being transferred to receiving coil by energy signal; Described LDO power management chip, for providing supply voltage for Microprocessor S3C44B0X chip operation; Described demodulator circuit, for the packet demodulation of being fed back by receiving terminal out, and feeds back to the process of Microprocessor S3C44B0X chip; Described LDO power management chip is connected with described Microprocessor S3C44B0X chip; The output of described Microprocessor S3C44B0X chip is connected with the input of described full bridge driving circuit; The output of described full bridge driving circuit is connected with the input of described testing circuit, and the output of described full bridge driving circuit is connected with described transmitting coil input; The output of described transmitting coil is connected with the input of described demodulator circuit; The output of described demodulator circuit is connected with the input of described Microprocessor S3C44B0X chip; The output of described testing circuit is connected with the input of described Microprocessor S3C44B0X chip.
7. portable power source according to claim 1, is characterized in that: described battery pack is poly-lithium battery.
CN201520468633.5U 2015-07-03 2015-07-03 A kind of portable power source with wireless charging function Active CN204732929U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104935050A (en) * 2015-07-03 2015-09-23 厦门新页科技有限公司 Portable power supply having wireless charging function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104935050A (en) * 2015-07-03 2015-09-23 厦门新页科技有限公司 Portable power supply having wireless charging function

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