CN211456746U - Portable treasured that charges - Google Patents

Abstract

The utility model discloses a portable treasured that charges, including the drain pan, the drain pan system has the accommodation space of holding master control module and rechargeable lithium cell, the drain pan bottom still is equipped with and is used for wearing the treasured that charges in the fixed connecting seat of wrist strap of arm, system has charging terminal, power supply terminal and the charge and discharge switch button of being connected with the master control module electricity on drain pan length direction's the lateral wall, it attaches the upper cover still to cover the padlock on the drain pan, on cover still be equipped with be used for instructing the electric quantity grade and with a plurality of LED pilot lamps that the master control module electricity is connected. The utility model discloses a precious wrist formula of addding that charges is worn, convenient to carry, and can satisfy the demand of charging of multiple equipment.

Description

Portable treasured that charges

Technical Field

The utility model relates to an electronic product technical field, in particular to portable treasured that charges.

Background

With the increasing development of electronic products, electronic devices (such as mobile phones, tablet computers, digital cameras and the like) become indispensable to the life of people, and the electronic devices all need electric energy to work, so that the mobile power bank plays an increasingly important role in the travel life of people. At present, the charger baby on the market is single and is inconvenient to carry.

Therefore, a portable power bank which is convenient to carry is urgently needed in the market.

Disclosure of Invention

The utility model provides a technical problem to the defect that exists among the above-mentioned prior art, provide a portable treasured that charges, should charge the treasured and add the wrist formula and wear, convenient to carry, and can satisfy the demand of charging of multiple equipment.

In order to solve the technical problem, the utility model discloses a portable treasured that charges, including the drain pan, the drain pan system has the accommodation space of holding master control module and rechargeable lithium cell, the drain pan bottom still is equipped with the fixed connecting seat of wrist strap that is used for wearing the treasured that charges in the arm, system on the lateral wall of drain pan length direction has charging terminal, power supply terminal and the charge-discharge switch button of being connected with the master control module electricity, still cover the lock on the drain pan and attach the upper cover, still be equipped with on the upper cover be used for instructing the electric quantity grade and with a plurality of LED pilot lamps that the master control module electricity is connected.

As a further elaboration of the above technical solution:

in the above technical scheme, a heat insulation film for heat insulation is arranged between the rechargeable lithium battery and the bottom shell and between the rechargeable lithium battery and the upper cover.

In the technical scheme, riveting holes are formed in four top corners of the bottom shell, at least one clamping groove is formed in two side edges of the bottom shell in the width direction, riveting columns are arranged on the four top corners of the upper cover in a matched mode, clamping hooks matched with the clamping grooves in position and number are formed in two side edges of the upper cover in the width direction, the clamping hooks are clamped into the matched clamping grooves and are connected with the riveting columns in the matched positions along the riveting holes from bottom to top, and the bottom shell is connected with the upper cover in a locked mode in a matched mode and the assembly is completed.

In the technical scheme, the main control module is a boosting type charging unit consisting of a TP5600 boosting chip matched with an 8205mos tube, a resistor, a capacitor and an inductor; the charging input end Vin of the TP5600 boosting chip is electrically coupled with the positive power source end Vin5 of the charging terminal, the mode detection port of the TP5600 boosting chip is connected with the charging and discharging switch key in series and is connected with the ground, the mode detection port of the TP5600 boosting chip is also electrically connected with the internal power source port Vin2 in series and connected with a resistor in series, the charging and discharging switch port LX of the TP5600 boosting chip is electrically connected with the power source anode of the rechargeable lithium battery in series and connected with an inductor and a current limiting resistor in series, and the charging and discharging switch port is also electrically coupled with the external NMOS gate drive port EXT of the TP5600 boosting chip in series and connected with an 8205mos tube in series; the LED indicating port of the TP5600 boosting chip is further electrically connected with a plurality of LED indicating lamps arranged on the upper cover, and the output port VOUT of the TP5600 boosting chip is electrically connected with the power supply terminal in a coupling mode.

In the technical scheme, the charge and discharge switch key is a touch key, the charge terminal is a Type-C terminal, the power supply terminal is a USB terminal, and the upper cover is provided with four LED indicating lamps.

Compared with the prior art, the utility model has the advantages that firstly, the charger of the utility model is provided with the wrist belt which can be worn on the arm, thus being convenient for carrying; secondly, the main control module of the charger collects a TP5600 boosting chip, and various charging protocols are built in the main control module, so that the charging requirements of various devices can be met; thirdly, the utility model discloses a precious LED power display of establishing charges, the instruction of charging is clear, convenient to use.

Drawings

Fig. 1 is an appearance structure diagram of the charger of the utility model;

fig. 2 is an exploded view of the charger of the present invention;

fig. 3 is the circuit schematic diagram of the utility model discloses precious master control module charges.

Detailed Description

The present invention will be described in further detail with reference to fig. 1 to 3.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

As shown in fig. 1-3, a portable power pack includes a bottom case 100, the bottom case 100 is provided with an accommodating space 101 for accommodating a main control module 200 and a rechargeable lithium battery 300, a connecting seat 400 for fixing a wrist strap (not shown in the drawings, actually externally fitted) for wearing the power pack on an arm is further provided at a bottom end of the bottom case 100, a charging terminal 500, a power supply terminal 600 and a charging and discharging switch button 700 electrically connected to the main control module 200 are further provided on a side wall of the bottom case 100 in a length direction, an upper cover 800 is further covered and locked on the bottom case 100, a plurality of LED indicators 900 for indicating an electric quantity level and electrically connected to the main control module 200 are further provided on the upper cover 800, and in this embodiment, a heat insulation film for heat insulation is provided between the rechargeable lithium battery 300 (refer to P1 in fig. 3) and the bottom case 100 and the upper cover 800.

Referring to fig. 1-2, in order to satisfy the assembly requirements of the charger, riveting holes 102 are formed on four corners of the bottom case 100, at least one clamping groove 103 is formed on two sides of the bottom case 100 in the width direction, riveting columns 801 are arranged on four corners of the upper cover 800 in a matching manner, clamping hooks 802 matched with the clamping grooves 103 in position and number are formed on two sides of the upper cover 800 in the width direction, the clamping hooks 802 are clamped into the matched clamping grooves 103 and extend from bottom to top to lock screws (not assembled in the drawing) in the riveting holes 102 and connect with the riveting columns 802 on the matched position, and the bottom case 100 and the upper cover 800 are buckled, locked, attached and connected to complete the assembly.

Referring to fig. 1-3, in the present embodiment, the main control module 200 is a boost charging unit composed of a TP5600 boost chip U1 cooperating with an 8205mos transistor Q1, a resistor, a capacitor, and an inductor L1; a charging input end Vin of the TP5600 boost chip U1 is electrically coupled to a positive power end Vin5 of the charging terminal 500, a mode detection port (auto _ up) of the TP5600 boost chip U1 is connected in series with the charge and discharge switch key 700 (refer to K1 in fig. 3) and connected to ground, a mode detection port (auto _ up) of the TP5600 boost chip U1 is further connected in series with a resistor R8 and electrically connected to an internal power port Vin2 thereof, a charge and discharge switch port LX of the TP5600 boost chip U1 is electrically connected in series with an inductor L1 and a current limiting resistor R9 and electrically connected to a power supply positive electrode of the rechargeable lithium battery 300 (refer to fig. 3), and the charge and discharge switch port LX is further electrically coupled to an external NMOS gate drive port EXT of the TP5600 boost chip U1 by being connected in series with a 8205mos tube Q1; the LED indicating port (LED1-LED4) of the TP5600 boosting chip U1 is also connected with the LED indicating port arranged at the place 801

The plurality of LED indicator lamps 900 (refer to the LED lamps LED1-LED3 in fig. 3) on the upper cover 800 are electrically connected, and the output port VOUT of the TP5600 boost chip U1 is electrically coupled to the power supply terminal 600, preferably, the charge/discharge switch key 700 is a touch key, the charge terminal 500 is a Type-C terminal, the power supply terminal 600 is a USB terminal, and the upper cover 800 is provided with four LED indicator lamps 900.

When using the treasured that charges, charge for the treasured that charges: the adapter is connected with mains supply, converts the voltage into 9V voltage and inputs the voltage through a charging terminal (Type-c input port), the voltage is reduced to 5V, the main control module 200 is activated, the main control module 200 accurately samples the current battery voltage, when the battery voltage is lower than 4.3V, the current battery voltage is judged to be undervoltage to charge, and the residual electric quantity of the battery is divided into 4 grades and displayed through 4 LED indicating lamps 900; when the battery returns to the constant-voltage 4.3V state, the charging is finished, the main control module gives out a signal, the 4 LED indicating lamps are fully on, and the electric quantity is full; when the peripheral device is powered for charging: electronic product is like the cell-phone, insert the USB interface through the data line, and press precious charge and discharge switch button 700 that charges, the lithium cell that charges provides voltage for main control module 200 (mainly be TP5600 chip that steps up), and activate whole main control module, TP5600 chip that steps up judges whether the equipment of access supports quick charge, charge the electronic product of access, and show current residual capacity through the LED pilot lamp constantly, when the equipment of access is charged and is saturated, precious lithium ion that charges stops to remove, just stopped charging, after the certain time, the LED pilot lamp is automatic to be extinguish, accomplish whole charging process.

The treasured that charges of this embodiment has following advantage: firstly, the charger baby of the utility model is provided with a wrist strap which can be worn on the arm, and is convenient to carry; secondly, the main control module of the charger collects a TP5600 boosting chip, and various charging protocols are built in the main control module, so that the charging requirements of various devices can be met; thirdly, the utility model discloses a precious LED power display of establishing charges, the instruction of charging is clear, convenient to use.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims (5)

1. The utility model provides a portable treasured that charges, its characterized in that, includes the drain pan, the drain pan system has the accommodation space of holding master control module and rechargeable lithium cell, the drain pan bottom still is equipped with and is used for wearing the treasured that charges in the fixed connecting seat of wrist strap of arm, system has charging terminal, power supply terminal and the charge and discharge switch button of being connected with the master control module electricity on drain pan length direction's the lateral wall, it attaches the upper cover still to cover the padlock on the drain pan, on cover still be equipped with be used for instructing the electric quantity grade and with a plurality of LED pilot lamps that the master control module electricity is connected.

2. The portable power bank as claimed in claim 1, wherein a heat insulating film for heat insulation is disposed between the rechargeable lithium battery and the bottom case and the top cover.

3. The portable power bank according to claim 2, wherein riveting holes are formed in four corners of the bottom case, at least one clamping groove is formed in each of two sides of the bottom case in the width direction, riveting columns are arranged on the four corners of the upper cover in a matching manner, clamping hooks matched with the clamping grooves in position and number are formed in each of the two sides of the upper cover in the width direction, the clamping hooks are clamped into the matched clamping grooves, screws are locked into the riveting holes from bottom to top and are connected with the riveting columns in the matched positions, and the bottom case and the upper cover are connected in a locking manner through matching, so that the assembly is completed.

4. The portable power bank as claimed in claim 3, wherein the main control module is a boost charging unit composed of a TP5600 boost chip in cooperation with an 8205mos transistor, a resistor, a capacitor and an inductor; the charging input end Vin of the TP5600 boosting chip is electrically coupled with the positive power source end Vin5 of the charging terminal, the mode detection port of the TP5600 boosting chip is connected with the charging and discharging switch key in series and is connected with the ground, the mode detection port of the TP5600 boosting chip is also electrically connected with the internal power source port Vin2 in series and connected with a resistor in series, the charging and discharging switch port LX of the TP5600 boosting chip is electrically connected with the power source anode of the rechargeable lithium battery in series and connected with an inductor and a current limiting resistor in series, and the charging and discharging switch port is also electrically coupled with the external NMOS gate drive port EXT of the TP5600 boosting chip in series and connected with an 8205mos tube in series; the LED indicating port of the TP5600 boosting chip is further electrically connected with a plurality of LED indicating lamps arranged on the upper cover, and the output port VOUT of the TP5600 boosting chip is electrically connected with the power supply terminal in a coupling mode.

5. The portable power bank of claim 4, wherein the charge and discharge switch button is a light touch button, the charge terminal is a Type-C terminal, the power supply terminal is a USB terminal, and the upper cover is provided with four LED indicator lights.

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