CN212486172U - Precious cell-phone shell charges with wireless function of charging - Google Patents

Abstract

The utility model discloses a mobile phone case of a charger baby with wireless charging function, which is provided with a power plug at the bottom of the case and at the position matched with the charging port of the mobile phone; a battery pack module, an electromagnetic receiving coil and a current integration module are integrated on the shell; and two switches are arranged on the side part of the shell, are respectively connected with the electromagnetic receiving coil and the voltage stabilizer module, and are used for controlling electromagnetic receiving and output of electric quantity of the lithium battery pack. The utility model discloses can will charge treasured and the wireless function of charging and combine together to can improve practicality and convenience.

Description

Precious cell-phone shell charges with wireless function of charging

Technical Field

The utility model belongs to remove the field of charging, specific precious cell-phone shell charges with wireless function that charges that says so.

Background

In recent years, the popularization of mobile devices such as mobile phones brings great convenience to people. However, since the smart device has a large power consumption and is limited by the battery capacity, the problem of how to charge the mobile device outdoors gradually arises. Therefore, the application of charging technology for mobile devices has received a great deal of attention. There are multiple portable power source in the market at present, however, current portable power source all has inconvenient carrying, data line winding influences uses shortcoming such as experience, and higher practicality and convenience are the big development trend of portable power source technique, and consequently, how to design a more convenient precious equipment that charges is the main task of current research.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve the weak point that above-mentioned prior art exists, provide a precious cell-phone shell charges with wireless function of charging to can combine together with the cell-phone that is charged in the hope, more convenient charges to the cell-phone, thereby can improve practicality and convenience.

The utility model discloses a reach above-mentioned utility model purpose, adopt following technical scheme:

the utility model relates to a precious cell-phone shell charges with wireless function of charging's characteristics include: the device comprises a shell, a battery pack module, a power plug, an electromagnetic receiving coil, a current integration module and a voltage stabilizer module;

a power plug is arranged at the bottom of the shell and at a position matched with the charging port of the mobile phone;

a battery pack module, an electromagnetic receiving coil and a current integration module are integrated on the shell;

the electromagnetic receiving coil is connected with the current integration module and used for converting the received electromagnetic induction signal into electric energy and transmitting the electric energy to the current integration module;

the current integration module is connected with the battery pack module and is used for rectifying the electric energy and then storing the electric energy into a lithium battery pack;

the battery pack module is connected with the voltage stabilizer module and is used for stabilizing the voltage output by the battery pack module;

the voltage stabilizer module is connected with the power plug and used for supplying power to the power plug.

And two switches are arranged on the side part of the shell, are respectively connected with the electromagnetic receiving coil and the voltage stabilizer module, and are used for controlling electromagnetic receiving and output of electric quantity of the lithium battery pack.

Precious cell-phone shell charges with wireless function of charging characteristics also lie in, the current integration module includes: a bridge rectifier circuit and a control circuit;

the bridge rectifier circuit is connected with the control circuit and used for converting the received electric energy into direct current and transmitting the direct current to the control circuit, so that the control circuit can prevent the circuit from overloading;

the control circuit is connected with the battery pack module and used for acquiring the voltage of the battery pack module and carrying out overcharge protection on the battery pack module.

The voltage regulator module includes: an integrated voltage regulator chip LT1930, capacitors C1 and C2, an inductor L1 and resistors R1 and R2;

the capacitors C1 and C2 are connected in parallel on the voltage stabilizer chip LT1930 and are used for removing circuit coupling;

v of the inductor L1 and the voltage regulator chip LT1930_INThe pin is connected with the SW pin and used for filtering the circuit;

the resistors R1 and R2 are connected in series and then connected in parallel with an FB pin of the voltage regulator chip LT1930, and are used for controlling the voltage stability of the output end.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses to charge precious notion and cell-phone protective housing notion and combine together, solved traditional precious inconvenient problem of carrying that charges, saved the data line simultaneously, promoted user's use and experienced. Furthermore, the utility model discloses fuse mutually with the concept of wireless charging, introduced the electromagnetic reception coil module, convenience of customers charges to this equipment more, further promotion the utility model discloses an availability, the effective user that satisfies is to the demand of cell-phone electric quantity.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a back view of the present invention.

FIG. 3 is a simplified overall connection diagram of the present invention;

FIG. 4 is a block diagram of the current integration of the present invention;

fig. 5 is a block diagram of the voltage stabilizer of the present invention.

Reference numbers in the figures: 101 casing, 102 microphone aperture, 103 battery module, 104 volume key aperture, 105 lock screen key aperture, 106 is 1^# Switch 107 is 2^#Switch, 108 power plugs, 201 camera holes, 202 electromagnetic receiving coils, 203 current integration modules, 204 voltage stabilizer modules, 205 loudspeaker holes, 206 earphone holes.

Detailed Description

In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, a precious cell-phone shell charges with wireless function of charging utilizes the combination of precious equipment that charges and cell-phone shell to cooperate the wireless technique of charging, a section cell-phone battery charging outfit of design, its constitution includes: the device comprises a shell 101, a battery pack module 103, a power plug 108, an electromagnetic receiving coil 202, a current integration module 203 and a voltage stabilizer module 204; the casing 101 is used for embedding a mobile phone therein, each key hole of the casing is consistent with the model of the mobile phone, and the power plug 108 is designed according to the model of a mobile phone jack and is inserted into a mobile phone jack.

A power plug 108 is provided at the bottom of the housing 101 at a position matching the charging port of the mobile phone. When in use, the charging port of the mobile phone is inserted into the plug and then embedded into the shell;

as shown in fig. 1 and 2, a battery module 103, an electromagnetic receiving coil 202, and a current integration module 203 are integrated on a housing 101;

the electromagnetic receiving coil 202 is connected with the current integration module 203 and is used for converting the received electromagnetic induction signal into electric energy and transmitting the electric energy to the current integration module 203, so that the electric energy is stored in the lithium battery pack; the process needs to be matched with a wireless charger for use;

the current integration module 203 is connected with the battery pack module 103 and is used for rectifying electric energy and then storing the electric energy into a lithium battery pack;

the battery pack module 103 is connected with the voltage stabilizer module 204 and is used for stabilizing the voltage output by the battery pack module 103; in this embodiment, the battery pack module 103 is composed of two groups of six lithium batteries, and can store 10000 ma hours of electric power to the maximum;

the voltage regulator module 204 is connected to the power plug 108 for supplying power to the power plug 108.

Two switches are arranged on the side of the casing 101, and are respectively connected with the electromagnetic receiving coil 202 and the voltage stabilizer module 204, and are used for controlling electromagnetic receiving and lithium battery pack electric quantity output. As shown in fig. 2, when the user only needs to charge the utility model, 2 can be opened^# Switch 107 and off 1^#The switch 106, the housing no longer outputs power to the handset. When 1 is^# Switches 106 and 2^#When the switch 107 is turned on, the power can be supplied to the mobile phone while the shell 101 is charged, so that the cruising ability of the mobile phone can be greatly improved while convenience is achieved.

In one embodiment, the current integration module 203 includes: a bridge rectifier circuit and a control circuit;

as shown in fig. 4, the bridge rectifier circuit is connected to the control circuit, and is configured to convert the received electric energy into direct current, and transmit the direct current to the control circuit, so that the control circuit can prevent the circuit from being overloaded. Meanwhile, the bridge rectifier circuit has the advantages of a full-wave rectifier circuit and can effectively prevent current from flowing back;

the control circuit is connected to the battery module 103 and is configured to obtain a voltage of the battery module 103 and perform overcharge protection on the battery module 103. When charging the lithium battery, in order to prevent the internal pressure from rising due to the temperature rise, the charging state needs to be terminated, and at this time, the control circuit module needs to detect the battery voltage, and when the battery voltage reaches 3.7V (assuming that the battery overcharge point is 3.7V), the overcharge protection is activated.

As shown in fig. 5, the voltage regulator module 204 includes: an integrated voltage regulator chip LT1930, capacitors C1 and C2, an inductor L1 and resistors R1 and R2;

capacitors C1 and C2 are connected in parallel on a voltage stabilizer chip LT1930 and are used for removing circuit coupling;

v of inductor L1 and voltage regulator chip LT1930_INThe pin is connected with the SW pin and used for filtering the circuit;

the resistors R1 and R2 are connected in series and then connected in parallel with the FB pin of the voltage regulator chip LT1930, and are used for controlling the voltage stabilization of the output end.

To sum up, the utility model discloses can provide stable charging voltage, charge for cell-phone equipment anytime and anywhere. And through the organic combination of the mobile phone shell, the mobile power supply and the wireless charging concept, the outdoor charging experience of the mobile phone of the user is improved to a great extent, and the unification of practicability and portability is realized.

Claims (3)

1. The utility model provides a precious cell-phone shell charges with wireless function of charging which characterized in that includes: the device comprises a shell (101), a battery pack module (103), a power plug (108), an electromagnetic receiving coil (202), a current integration module (203) and a voltage stabilizer module (204);

a power plug (108) is arranged at the bottom of the shell (101) and is matched with a charging port of the mobile phone;

a battery pack module (103), an electromagnetic receiving coil (202) and a current integration module (203) are integrated on the shell;

the electromagnetic receiving coil (202) is connected with the current integration module (203) and is used for converting the received electromagnetic induction signal into electric energy and transmitting the electric energy to the current integration module (203);

the current integration module (203) is connected with the battery pack module (103) and is used for rectifying the electric energy and then transferring the electric energy into the battery pack module (103);

the battery pack module (103) is connected with the voltage stabilizer module (204) and is used for stabilizing the voltage output by the battery pack module (103);

the voltage stabilizer module (204) is connected with the power plug (108) and is used for supplying power to the power plug (108);

and two switches are arranged on the side part of the shell (101), are respectively connected with the electromagnetic receiving coil (202) and the voltage stabilizer module (204), and are used for controlling electromagnetic receiving and output of electric quantity of the lithium battery pack.

2. The mobile phone case with wireless charging function as claimed in claim 1, wherein the current integration module (203) comprises: a bridge rectifier circuit and a control circuit;

the bridge rectifier circuit is connected with the control circuit and used for converting the received electric energy into direct current and transmitting the direct current to the control circuit, so that the control circuit can prevent the circuit from overloading;

the control circuit is connected with the battery pack module (103) and used for acquiring the voltage of the battery pack module (103) and carrying out overcharge protection on the battery pack module.

3. The portable electronic device with wireless charging function as claimed in claim 1, wherein said voltage regulator module (204) comprises: an integrated voltage regulator chip LT1930, capacitors C1 and C2, an inductor L1 and resistors R1 and R2;

the capacitors C1 and C2 are connected in parallel on the voltage stabilizer chip LT1930 and are used for removing circuit coupling;

v of the inductor L1 and the voltage regulator chip LT1930_INThe pin is connected with the SW pin and used for filtering the circuit;

the resistors R1 and R2 are connected in series and then connected in parallel with an FB pin of the voltage regulator chip LT1930, and are used for controlling the voltage stability of the output end.

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