CN105356556A - Combined mobile power supply - Google Patents

Abstract

The invention provides a combined mobile power supply, which comprises a battery tray and a battery; the battery tray comprises an output PCB, a connection sub-seat and an output seat; the connection sub-seat and the output seat are installed on the output PCB; an output protection circuit and a voltage lifting circuit are installed on the output PCB; the connection sub-seat and the output seat are electrically connected through the protection circuit and the voltage lifting circuit; the battery comprises a battery body, an input PCB, an input seat and a connection mother seat; the battery body is electrically connected with the input PCB and the connection mother seat; the input seat is installed on the input PCB; an input protection circuit is installed on the input PCB, and the input seat and the battery body are electrically connected through the input protection circuit; the battery tray and the battery are combined through the connection sub-seat and the connection mother seat and are electrically connected in a detachable way. The problems of large size, inconvenient carriage during charging and conflict between charging and usage time in terms of existing mobile power supplies are solved.

Description

A combined mobile power supply

technical field

The invention relates to a combined mobile power supply.

Background technique

Electronic products on the market, such as mobile phones and tablet computers, often run out of power during use. Sometimes it is difficult for users to find a suitable charging point, and charging also affects the use of electronic products. It is convenient for users to carry out emergency charging of electronic products at any time, and alleviates the troublesome situation of charging electronic products to a certain extent.

However, there are still some deficiencies in the use of existing mobile power supplies, because the volume-to-energy ratio of existing lithium-ion batteries is limited, so the volume of mobile power supplies is generally set larger to meet the requirements of continuous charging. When the power supply is used to charge electronic products, the mobile power supply is connected to the electronic product as a whole. If the mobile power supply is too large, it will affect the use of electronic products, and it is inconvenient for users to use electronic products to take pictures, make phone calls, etc.;

On the other hand, the charging time of the mobile power supply is long, and those who travel for a long time or cannot charge for a long time need to bring the mobile power supply with them. There is a conflict between charging and use time, and there is not enough time to charge the mobile power supply. Multiple spare mobile power sources will increase the purchase cost, and the battery life of the mobile power source is generally shorter than that of other structures. When the battery life expires, the entire battery will be discarded and resources will be wasted.

Contents of the invention

Aiming at the problems of large volume, inconvenient to carry when charging, and conflict between charging and use time in the existing mobile power supply, the present invention provides a combined mobile power supply, which splits the mobile power supply into a battery holder and a replaceable battery cell , the mobile power supply is easy to carry, can save charging time, and reduce use cost at the same time.

The technical solution adopted by the present invention to solve the problems of the technologies described above is as follows:

Provide a combined mobile power supply, including a battery holder and a battery cell;

The battery seat includes an output PCB board, a connection sub-seat and an output seat, the connection sub-seat and the output seat are arranged on the output PCB board, the output protection circuit and the voltage boosting circuit are arranged on the output PCB board, and the connection sub-seat The socket and the output socket are electrically connected through a protection circuit and a voltage boost circuit;

The battery cell includes a battery, an input PCB board, an input seat and a connecting female seat, the battery is electrically connected to the input PCB board and the connecting female seat respectively, the input seat is arranged on the input PCB board, and the input PCB There is an input protection circuit on the board, and the input socket and the battery are electrically connected through the input protection circuit;

The battery holder and the battery cells can be combined through the connection sub-seat and the connection mother seat, which is a detachable electrical connection.

Further, the battery holder also includes a battery holder housing, and the output PCB board, the connection sub-seat and the output holder are installed in the battery holder housing;

The housing of the battery seat is also provided with a storage cavity for installing the battery cells, the storage cavity is a semi-closed cavity, and the connecting sub-seat is located on the inner wall of the storage cavity.

Further, an elastic member is fixed inside the accommodating cavity;

When the battery cell is located in the accommodating cavity, the battery cell compresses the elastic member, and the elastic member has elastic potential energy to push the battery cell out of the accommodating cavity.

Further, the battery holder housing includes a battery holder upper case, a metal frame and a battery holder lower case, the battery holder upper case and the battery holder lower case are respectively connected to the upper and lower sides of the metal frame, and the metal frame The body is provided with an output port and an installation port, the output seat faces the position of the output port, and the installation port communicates with the accommodating cavity.

Further, the outer surface of the upper case of the battery holder is provided with an upper case skin and a power indicator plate; the outer surface of the lower case of the battery holder is provided with a lower case skin.

Further, the battery holder is provided with a power display light and a display switch for controlling the power display light.

Further, the battery cell also includes a battery case, the battery, the input PCB board, the input seat and the connection female seat are installed in the battery case, and the side wall of the battery case is provided with an input port and a connection port, the connection female seat is located at the position of the connection port, and the input seat is located at the position of the input port.

Further, the battery cell also includes an intermediate PCB board, the connecting female seat is arranged on the intermediate PCB board, and the connecting female seat is electrically connected to the battery through the intermediate PCB board.

Further, a buckle block is provided on the battery case, the buckle block is connected to the battery case by a spring, and a slot is opened in the accommodating cavity;

When the battery cell is located in the accommodating cavity, the buckle block is placed in the slot to limit the position of the battery cell, and when the spring is compressed, the buckle block is separated from the slot.

Further, the input PCB board is provided with a charging indicator light, the battery housing is provided with a charging indicator hole, and a light guide column is arranged between the charging indicator light and the charging indicator hole.

In the present invention, the mobile power supply is configured as a detachable and separated battery holder and a battery cell. When the mobile power supply is used for charging, a battery holder can be equipped with multiple battery cells for use in turn. Compared with the existing mobile power supply ratio, which greatly increases the reserve of rechargeable power. At the same time, under the premise of the same reserve power, the present invention can charge separately through several different battery cells, that is, when using the mobile power supply to charge electronic products, it can be reduced accordingly. The size and weight of the mobile power supply are convenient for carrying the mobile power supply during charging, reducing the impact on the use of electronic products, and at the same time not affecting the reserve power.

On the other hand, when one battery cell is charging an electronic product, other battery cells can be charged to replenish power, which solves the problem of conflict between the use of mobile power and charging time; multiple battery cells can also be charged at the same time, Faster charging. When the life of a single battery cell expires, the battery holder can still be used, reducing replacement costs.

Description of drawings

Fig. 1 is a schematic diagram of the cooperation of a combined mobile power supply provided by the present invention;

Fig. 2 is an explosion schematic diagram of a combined mobile power supply provided by the present invention;

Fig. 3 is a schematic explosion diagram of the battery holder provided by the present invention;

Fig. 4 is a schematic explosion diagram of a battery cell provided by the present invention;

Fig. 5 is a combined schematic diagram of a combined mobile power supply provided by the present invention;

Fig. 6 is a sectional view of a combined mobile power supply provided by the present invention;

Figure 7 is an enlarged schematic view of the structure at A in Figure 6;

Figure 8 is a schematic enlarged view of the structure at B in Figure 6;

Fig. 9 is a cross-sectional view of a combined mobile power supply provided by the present invention;

FIG. 10 is an enlarged schematic view of the structure at point C in FIG. 9 .

The reference signs in the accompanying drawings of the description are as follows:

1. Battery holder; 11. Cover skin on the upper case; 12. Power indicator plate; 121. Second display lamp hole; 122. Display switch; 13. Upper case of battery holder; 131. First display lamp hole; 14. Metal frame Body; 141, output port; 142, installation port; 15, battery seat lower shell, 151, installation cavity; 152, partition; 153, opening; 154, accommodation cavity; 155, strip groove; 156, card slot; 16. Lower case skinning; 17. Output PCB board; 171. Power indicator light; 172. Output seat; 173. Connection sub-seat; 2. Battery body; 21. Battery upper case; 22. Middle PCB board; 221. Connection Female seat; 23, battery; 24, input PCB board; 241, input seat; 25, metal bar; 251, first through hole; 252, input port; 253, charging indicator hole; 26, battery lower case; 261, second Two through holes; 27, light guide column; 28, buckle block; 281, push part; 282, buckle part; 283, installation groove; 29, spring.

detailed description

In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Referring to Figures 1 to 5, the present invention discloses a combined mobile power supply, including a battery holder 1 and a battery cell 2;

The battery holder 1 includes an output PCB board 17, a connection sub-seat 173 and an output seat 172, the connection sub-seat 173 and the output seat 172 are arranged on the output PCB board 17, and the output protection circuit is provided on the output PCB board 17 and the voltage boosting circuit, and simultaneously connect the sub-seat 173 and the output seat 172 for electrical connection through the protection circuit and the voltage boosting circuit;

The battery cell 2 includes a battery 23, an input PCB board 24, an input seat 241 and a connecting female seat 221, the battery 23 is electrically connected to the input PCB board 24 and the connecting female seat 221 respectively, and the input seat 241 is arranged on On the input PCB board 24, an input protection circuit is provided on the input PCB board 24, and the input seat 241 and the battery 23 are electrically connected through the input protection circuit;

The battery holder 1 and the battery cell 2 can be combined through the connection sub-seat 173 and the connection female seat 221, which is a detachable electrical connection. In the present invention, the battery holder 1 and the battery cell 2 They are all mutually independent parts, wherein the battery holder 1 is the output part, and the battery cell 2 is the power storage and input part. The main innovation of the present invention is to separate the traditional integrated mobile power supply to solve the problem There are some deficiencies.

The mobile power supply is set as a detachable and separated battery holder 1 and battery cells 2. When the mobile power supply is used for charging, a battery holder 1 can be equipped with multiple battery cells 2 for use in turn, which is different from existing mobile batteries. Compared with the power supply, the reserve of rechargeable capacity is greatly increased. At the same time, under the premise of the same reserve power, the present invention can charge separately through several different battery cells 2, that is, when using the mobile power supply to charge electronic products, The volume and weight of the mobile power supply can be reduced correspondingly, which is convenient for carrying the mobile power supply during charging, reduces the impact on the function and use of electronic products, and does not affect the reserve power at the same time.

On the other hand, when one battery cell 2 is charging an electronic product, other battery cells 2 can be charged to replenish power, which solves the problem of conflict between mobile power usage and charging time; multiple battery cells 2 can also be charged at the same time To charge, to speed up the charging speed. Moreover, the lifespan of the battery is short. When the lifespan of the single battery 2 expires, the battery holder 1 can still be used, which reduces the replacement cost.

It should be noted that the output protection circuit and the voltage boosting circuit on the output PCB board 17 described in the present invention, and the input protection circuit on the input PCB board 24, mainly play the role of input and output voltage control, both of which are the present invention. The mobile power supply circuits commonly used by those skilled in the art will not be described further, and the replacements made by those skilled in the art according to known technologies should be included in the protection scope of the present invention.

The present invention will be further described through the following examples. In the following examples, the battery holder and the battery cells are arranged in a drawer-type structure.

Example 1

This embodiment discloses a preferred implementation of the battery holder 1. In this embodiment, in addition to the above-mentioned technical features, the battery holder 1 also includes a battery holder shell, and the battery holder shell is rounded A rectangular shell, the output PCB board 17, the connecting sub-seat 173 and the output seat 172 are installed in the battery seat shell;

The housing of the battery holder is also provided with an accommodating cavity 154 for installing a battery cell. The accommodating cavity 154 is a rectangular cavity, and the accommodating cavity 154 is a semi-closed cavity. The connecting sub-seat 173 It is located on the inner wall of the accommodating cavity 154 and is used for connecting with the battery cell 2 .

Referring to Fig. 6 and Fig. 8, as a preferred embodiment of the present invention, an elastic member 18 is fixed inside the accommodating cavity 154;

When the battery cell 2 is located in the accommodating cavity 154 , the battery cell 2 compresses the elastic member 18 , and the elastic member 18 has elastic potential energy to push the battery cell 2 out of the accommodating cavity 154 .

Specifically, as shown in FIG. 3 , the battery holder housing includes a battery holder upper case 13, a metal frame 14 and a battery holder lower case 15, and the battery holder upper case 13 and the battery holder lower case 15 are respectively connected to metal On the upper and lower sides of the frame body 14, bar-shaped grooves 155 are provided on both sides of the battery seat lower case 15, and the two sides of the metal frame body 14 are respectively snapped into the bar-shaped grooves 155 of the battery seat lower case 15, The upper shell 13 of the battery holder is snap-connected with the metal frame 14;

The inside of the battery holder housing is provided with an installation cavity 151 for fixing the output PCB board 17, an output port 141 is opened on the metal frame 14, and the output port 141 communicates with the installation cavity 151, and the output PCB The output seat 172 on the board 17 faces the output port 141. In this embodiment, the output seat 172 is preferably a USB output seat, and those skilled in the art can also make other choices according to needs.

The battery holder housing is provided with an accommodating cavity 154; the accommodating cavity 154 is adjacent to the installation cavity 151 and separated by a partition 152, and the partition 152 is arranged on the lower shell 15 of the battery holder, and the partition 152 An opening 153 is provided on the top, the connection sub-seat 173 on the output PCB 17 faces the position of the opening 153 on the partition 152, and the metal frame 14 has an installation opening 141, and the installation opening 141 and the accommodating cavity 154 The output port 141 and the installation port 142 are respectively located at two ends of the metal frame 14 .

The elastic member 18 is a metal shrapnel, and the metal shrapnel is made of a metal strip material after being bent several times. One end of the metal shrapnel is fixed, and the other end of the metal shrapnel extends into the accommodating cavity 154. When the battery cell 2 is pushed into the accommodating cavity 154, one end of the metal shrapnel located in the accommodating cavity 154 is compressed, resulting in elastic potential energy.

The outer surface of the battery holder upper case 13 is provided with an upper case skin 11 and a power indicator plate 12; The outer surface of the upper case 13 of the battery holder is covered by the skin 11 and the electric quantity indicator plate 12. The upper case skin 11 is a decorative skin. If a leather material is used as the upper case skin 11, it can be replaced according to the needs of the user. The outer surface of the lower shell 15 of the battery holder is provided with a lower shell skin 16, which is consistent with the upper shell skin 11, and is also a decorative skin, which can be selected according to user needs.

The battery holder 1 is provided with a power display light 171 and a display switch 122 for controlling the power display light 171. Specifically, the power display light 171 is set on the output PCB board 17, and the power output board 17 is set on the output PCB board 17. The display circuit controls the on-off of the power display circuit through the display switch 122, and the first display light hole 131 and the second display light hole 121 are respectively opened at the corresponding positions of the battery holder housing 13 and the power indicator plate 12.

Example 2

This embodiment discloses a preferred implementation of the battery cell 2. In this embodiment, in addition to the above-mentioned technical features, the battery cell 2 also includes a battery case, the battery 23, the input PCB board 24 , the input seat 241 and the connecting female seat 221 are installed in the battery case, and the side wall of the battery case has an input port 252 and a connection port (not shown), and the input port 252 and the connection port are respectively located in the battery case. At both ends of the housing, the connection female seat 221 is located at the connection port, and the input seat 241 is located at the input port 252. In this embodiment, the input seat 241 is preferably a MircoUSB input seat, and other options include a MiniUSB input seat. etc., those skilled in the art can make selections according to needs.

The battery cell 2 also includes an intermediate PCB board 22, the connecting female seat 221 is disposed on the intermediate PCB board 22, and the connecting female seat 221 is electrically connected to the battery 23 through the intermediate PCB board 22. It should be noted that, The middle PCB board 22 only plays the role of connecting the battery 23 and connecting the female base 221, and is not a necessary structure. There are also ways to realize the same function, such as wire connection, which should be included in the protection scope of the present invention.

The battery 23 is arranged in the middle of the battery housing, the input PCB board 24 and the middle PCB board 22 are located at both ends of the battery 23 respectively, and the middle PCB board 22 is located at one end of the battery 23 facing the battery holder 1, and the input PCB board 24 is located at the battery 23 is away from one end of the battery holder 1 .

As shown in Figures 9 and 10, when the battery cell 2 is located in the accommodating cavity 154, the connection female seat 221 on the battery cell 2 is connected to the connection sub-seat 173 on the battery seat 1 to realize the battery cell 2 The current flow between the battery holder 1, preferably, the connecting sub-seat 173 and the connecting female seat 221 respectively use a 4pin connecting sub-seat and a 4pin connecting female seat. It should be noted that the 4pin connecting sub-seat and the 4pin connecting female seat It is only preferred for this embodiment, and other connecting sub-seats and connecting female sockets that realize the same electrical connection function should also be included in the protection scope of the present invention.

The battery case includes an upper battery case 21 and a lower battery case 26, the upper battery case 21 and the lower battery case 26 are connected by a buckle, and the upper battery case 21 and the lower battery case 26 are provided with one end of the input PCB board 24 The metal strip 25 is connected by a metal strip 25, and the metal strip 25 is made of aluminum. When the battery cell 2 is placed in the accommodating cavity 154, the metal strip 25 is located at the installation opening 142 of the battery holder 1 for sealing.

As shown in Fig. 6 and Fig. 7, the buckle block 28 is arranged on the battery case, and the buckle block 28 is connected with the battery case through a spring 29. Specifically, the buckle block 28 includes a push button connected up and down. part 281 and buckle part 282, the metal strip 25 has a first through hole 251, one end of the pushing part 281 is located in the first through hole 251, and the other end is provided with a mounting groove 283, the spring 29 is placed in the installation groove 283, and the end of the spring 29 is against the inside of the battery case; the battery case is provided with a second through hole 261 at the bottom of the pushing part 281, and the buckle part 282 Through the second through hole 261 , the side wall of the second through hole 261 is provided with an inclined surface, and the corresponding position in the accommodating cavity 154 is provided with a locking groove 156 .

When the battery cell 2 is located in the accommodating cavity 154, and the bottom end of the buckle part 282 is engaged with the slot 156; the buckle block 28 is placed in the slot 156 to limit the position of the battery cell 2 , when the battery cell 2 needs to be taken out, the push part 281 is pressed, the spring 29 is compressed, the buckle block 28 is pushed along the slope of the second through hole 261, the buckle block 28 is separated from the slot 156, Thus, the battery cell 2 pops out of the accommodating cavity 154 under the action of the elastic body 18 in the accommodating cavity 154 , realizing the separation of the battery cell 2 and the battery holder 1 .

The input PCB board 24 is provided with a charging indicator light (not shown), the battery housing is provided with a charging indicator hole 253, and a light guide column 27 is arranged between the charging indicator light and the charging indicator 253, and the charging indicator light The charging status of the mobile power supply is displayed. When the external power supply is plugged in for charging, the charging indicator light is on, and the light of the charging indicator light is guided to the charging indicating hole 253 through the light guide column 27 at the same time.

Embodiment 1 and Embodiment 2 above can be implemented in combination to obtain a combined mobile power supply, and a drawer-type detachable connection structure is used between the battery holder and the battery cells, and a single battery holder can be equipped with multiple battery cells. The battery holder is provided with a semi-closed storage chamber with an opening on one side. The battery cells can be built into the storage chamber for installation and combination, and are electrically connected with the battery holder. Through this drawer-type connection structure, the battery cell can be quickly realized. The combination and separation of the body and the battery holder, the battery cell is embedded in the battery holder, and the lock structure is used to limit the position, which can ensure the firm connection between the battery cell and the battery holder, and avoid being separated by external force during use. The battery holder also has a certain protective effect on the battery cells to avoid the exposure of the battery cells.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (10)

1. an assembled moving power supply, is characterized in that, comprises battery tray and battery cell;

Described battery tray comprises output pcb board, connects stroma and export seat, described connection stroma and output seat are arranged at and export on pcb board, described output pcb board is provided with output protection circuit and voltage lifting circuit, connects stroma simultaneously and export seat to be electrically connected by protective circuit, voltage lifting circuit;

Described battery cell comprises battery, input pcb board, input seat and is connected female seat, described battery respectively with input pcb board, be connected female seat and be electrically connected, described input seat is arranged on input pcb board, described input pcb board is provided with input protection circuit, and input seat and battery are electrically connected by input protection circuit;

Described battery tray is combined by connecting stroma and connecting female seat between battery cell, is detachable electric connection.

2. a kind of assembled moving power supply according to claim 1, it is characterized in that, described battery tray also comprises battery tray housing, and described output pcb board, connection stroma and output seat are installed in battery tray housing;

Also be provided with the containing cavity installing battery cell in described battery tray housing, described containing cavity is semi-enclosed cavity, and described connexon seat is positioned on containing cavity inwall.

3. a kind of assembled moving power supply according to claim 2, is characterized in that, described containing cavity inside is fixed with elastic component;

When battery cell is positioned at containing cavity, battery cell compression elastic piece, elastic component has elastic potential energy battery cell being released containing cavity.

4. a kind of assembled moving power supply according to claim 2, it is characterized in that, described battery tray housing comprises battery tray upper casing, metal frame and battery tray lower casing, described battery tray upper casing and battery tray lower casing are connected to the both sides up and down of metal frame respectively, described metal frame has delivery outlet and installing port, described output seat is towards delivery outlet position, and described installing port is communicated with containing cavity.

5. a kind of assembled moving power supply according to claim 4, is characterized in that, the outer surface of described battery tray upper casing is provided with upper casing lagging and electricity target; The outer surface of described battery tray lower casing is provided with lower casing lagging.

6. a kind of assembled moving power supply according to claim 1, is characterized in that, described battery tray is provided with electricity display lamp and the display switch for controlling electricity display lamp.

7. a kind of assembled moving power supply according to claim 2, it is characterized in that, described battery cell also comprises battery container, described battery, input pcb board, input seat and be connected female seat and be all installed in battery container, the sidewall of described battery container has input port and connector, described connection female seat is positioned at connector position, and described input seat is positioned at position, input port.

8. a kind of assembled moving power supply according to claim 1 or 7, it is characterized in that, described battery cell also includes middle pcb board, and described connection female seat is arranged on middle pcb board, and connection female seat is electrically connected by middle pcb board and battery.

9. a kind of assembled moving power supply according to claim 7, is characterized in that, described battery container is arranged buckle block, and described buckle block is connected by spring with battery container, has draw-in groove in described containing cavity;

When battery cell is positioned at containing cavity, described buckle block is placed in described draw-in groove and carries out spacing to battery cell, when the springs are compressed, and described buckle block and described exact separation.

10. a kind of assembled moving power supply according to claim 7, is characterized in that, described input pcb board is provided with charging indicator light, described battery container is provided with charging indicator hole, arranges light-guiding pillar between described charging indicator light and charging indicator hole.