CN204859268U - A protective case for a handheld terminal with a backup power supply - Google Patents

Abstract

The utility model discloses a handheld terminal protective housing with stand -by power supply, including last casing and lower casing, should go up the casing and pass through buckle fixed connection with lower casing, the internal battery of series connection, wireless module and the rectifier circuit of charging of being provided with of epitheca, the inferior valve is internal to be provided with from the handheld terminal patch cord that charges that the interface drew forth that charges, and the patch cord that should charge is connected to rectifier circuit's output. This protective housing has increased handheld terminal time of endurance, improves the convenience that charges.

Description

A protective case for a handheld terminal with a backup power supply

technical field

The utility model relates to the technical field of mobile terminals, in particular to a protective shell for a handheld terminal.

Background technique

In the prior art, in order to increase battery life of the handheld terminal, a backup power supply is usually added to the casing of the handheld terminal. For example, Chinese utility model CN201520056499.8 discloses a rechargeable handheld terminal protective cover, which includes a backup power supply, a connecting terminal for the charging terminal of the handheld terminal, and an embedded charging line in the protective case.

In order to facilitate charging, there are technical solutions for converting wired charging devices into wireless charging devices in the prior art. For example, utility model CN201420656152.2 discloses a handheld terminal protective case that can realize wireless charging. The handheld terminal becomes a wireless charging handheld terminal.

Among these two protective cases, the first type of rechargeable handheld terminal protective case only adds a spare power supply to the protective case and connects the handheld terminal with a cable terminal, so it is easy to arrange the cables after multiple disassembly. Breakage, damage, poor contact, etc. occur, so that good and reliable usability cannot be achieved. In addition, in this rechargeable handheld terminal protective case, the built-in charging cable is limited in length, and after being bent for many times, it may cause breakage and short circuit after being bent, so that good and stable practicability cannot be achieved. The second type only changes the charging method of the handheld terminal, but does not provide a backup power supply, and cannot achieve the function of extending the battery life of the handheld terminal.

Utility model content

The purpose of the utility model is to provide a solution to the problems in the prior art.

The above purpose is achieved through the following scheme:

A protective shell for a handheld terminal with a backup power supply, characterized in that the protective shell includes an upper shell and a lower shell, and the upper shell and the lower shell are fixedly connected by buckles; A battery, a wireless charging module, and a rectifier circuit are connected in series; a charging transfer wire drawn from the charging interface of the handheld terminal is provided in the lower housing, and the charging transfer wire is connected to the output end of the rectification circuit.

According to the protective case above, it is characterized in that the surfaces of the battery, the wireless charging module and the rectifying circuit are covered with a metal heat dissipation layer.

According to the protective case above, it is characterized in that the metal heat dissipation layer is a metal heat dissipation layer provided with heat dissipation holes.

According to the above protective case, it is characterized in that one end of the charging adapter wire adopts a charging adapter matching the charging interface of the handheld terminal, and the other end adopts a power supply adapter matching the output end of the rectifying circuit.

According to the protective case above, it is characterized in that the output end of the rectification circuit is a copper pillar.

According to the protective case above, it is characterized in that the upper case and the lower case are connected by buckling.

The beneficial effects of the utility model:

1. Increase the battery life of the handheld terminal and improve the convenience of charging. Compared with the mobile power supply in the market, the handheld terminal protective case has the characteristics of small size, beautiful appearance, light weight, and easy to carry.

2. The equipment using wireless magnetic induction charging can reduce the number of connections between the charger and the mobile phone, the equipment wear rate is low, and the application range is wide.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a circuit diagram of the utility model.

Detailed ways

Referring to FIG. 1 , the upper case 1 and the lower case 2 of the protective case of the handheld terminal of the present invention are fixedly connected by buckles. A battery 3 , a wireless charging module 4 and a rectifying circuit 7 are arranged in series in the upper casing 1 .

The lower housing 2 is provided with a charging adapter wire drawn from the charging interface of the handheld terminal, and the other end of the charging adapter wire is connected to the output terminal 6 of the rectifier circuit 7 . One end of the charging adapter cable uses a charging adapter 5 that matches the charging interface of the handheld terminal, and the other end uses an adapter power supply adapter 8 that matches the output end 6 (preferably a copper post) (preferably a socket female that matches the copper post) connection, and the connection of the two is located at the buckle connection between the upper half shell 1 and the lower half shell 2.

For better heat dissipation, the battery 3 , the wireless charging module 4 and the rectifier circuit 7 are covered with a metal heat dissipation layer, preferably a metal heat dissipation layer provided with heat dissipation holes.

Referring to Fig. 2, the rectification circuit 7 is connected to the battery 3, the wireless charging module 4, and the charging interface of the handheld terminal, and is used to rectify the induced current generated by the battery and the wireless charging module into a rated charging current of the handheld terminal. When the user does not carry a charger, it can be charged by the backup power supply (battery 3). When the backup power supply (battery 3) is exhausted, it can be charged by wireless charging, which greatly facilitates the use of the user.

Claims (6)

1. with a handheld terminal containment vessel for stand-by power supply, it is characterized in that, described containment vessel comprises upper shell and lower house, this upper shell and lower house connection fixed by snap; The battery, wireless charging module and the rectification circuit that are connected in series is provided with in described upper shell; Be provided with the electricity charging switching wire of drawing from handheld terminal charging inlet in described lower house, this electricity charging switching wire is connected to the output of described rectification circuit.

2. containment vessel according to claim 1, is characterized in that, has metallic radiating layer in described battery, wireless charging module and described rectification circuit surface coverage.

3. containment vessel according to claim 2, is characterized in that, described metallic radiating layer is the metallic radiating layer being provided with louvre.

4. containment vessel according to claim 1, is characterized in that, one end of described electricity charging switching wire adopts the charging adapter mated with described handheld terminal charging inlet, and what other end employing was mated with the output of described rectification circuit supplies electric adaptor.

5. containment vessel according to claim 4, is characterized in that, the output of described rectification circuit is copper post.

6. containment vessel according to claim 1, is characterized in that, described upper shell is connected by snap with lower house.