CN218240746U

CN218240746U - Handheld terminal and power supply device thereof

Info

Publication number: CN218240746U
Application number: CN202222409870.7U
Authority: CN
Inventors: 张亚攀; 刘国寨; 党生; 张波; 郭颂
Original assignee: Shenzhen Urovo Technology Corp ltd
Current assignee: Shenzhen Urovo Technology Corp ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-01-06
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a hand-held terminal and a power supply device thereof; this power supply unit includes the shell, be equipped with interconnect's electric core and power strip in the shell, be equipped with the thermistor that is used for detecting ambient temperature on the power strip, still be equipped with in the shell with the power strip is connected and is used for improving the heating film of electric core temperature can make power supply unit work under suitable temperature, can improve power supply unit's live time and life under the low temperature.

Description

Handheld terminal and power supply device thereof

Technical Field

The utility model relates to a terminal device technical field especially relates to a handheld terminal and power supply unit thereof.

Background

Power supply unit is like the lithium cell, and its chemical properties has decided can not emit more energy under low temperature environment, just so leads to the live time of cell-phone short under the low temperature, uses to let the battery life-span reduce for a long time under the low temperature, in order to let the battery emit more capacity simultaneously protection battery life-span, needs the battery to use under suitable temperature.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in providing a handheld terminal and power supply unit thereof.

The utility model provides a technical scheme that its technical problem adopted is: a power supply device is constructed and comprises a shell, wherein an electric core and a power panel which are connected with each other are arranged in the shell, a thermistor used for detecting the ambient temperature is arranged on the power panel, and a heating film which is connected with the power panel and used for improving the temperature of the electric core is further arranged in the shell.

In some embodiments, the housing comprises a shell and a cover connected to the shell;

the shell comprises a bottom wall and a peripheral wall extending from the bottom wall, and the bottom wall and the peripheral wall are matched to form a containing groove for containing the battery cell, the power panel and the heating film.

In some embodiments, the heating film is disposed between the bottom wall and the cell.

In some embodiments, the heating film has a first surface and a second surface opposite to each other, the first surface is connected to the battery cell by a first adhesive member, and the second surface is connected to the bottom wall by a second adhesive member.

In some embodiments, the heating film is connected to the power board through a contact, a spring or a wire.

In some embodiments, the heating film is a polyimide heating film.

In some embodiments, the side surface of the peripheral wall is provided with a through hole for exposing the connection contact of the power supply board.

In some embodiments, the power supply board is disposed in parallel with a length direction of the housing, or the power supply board is disposed in parallel with a width direction of the housing.

In some embodiments, the outer surface of the cover is provided with a label.

The utility model discloses still construct a handheld terminal, including the host computer to and any one of the above-mentioned embodiments power supply unit, power supply unit with the host computer is connected in order to the host computer provides the work electric energy.

Implement the utility model discloses following beneficial effect has: the power supply device comprises a shell, wherein an electric core and a power panel which are connected with each other are arranged in the shell, a thermistor used for detecting the ambient temperature is arranged on the power panel, and a heating film connected with the power panel and used for improving the temperature of the electric core is also arranged in the shell, so that the power supply device can work at a proper temperature, the service time of the power supply device at a low temperature can be prolonged, and the service life of the power supply device can be prolonged.

Drawings

In order to explain the technical solution of the present invention more clearly, the present invention will be further described with reference to the accompanying drawings and examples, it should be understood that the following drawings only show some examples of the present invention, and therefore should not be considered as limiting the scope, for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort. In the drawings:

fig. 1 to 2 are schematic structural views of a power supply device according to some embodiments of the present invention;

fig. 3-4 are exploded views of power supplies in some embodiments of the invention;

fig. 5 is an exploded view of a power supply device in other embodiments of the present invention;

FIG. 6 is a schematic view of the power supply apparatus of FIG. 1 without the label;

fig. 7 is an exploded view of a power supply device in accordance with other embodiments of the present invention.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention, but do not indicate that the device or element referred to must have a specific direction, and thus, should not be construed as limiting the present invention.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The utility model discloses a handheld terminal, including the host computer to and power supply unit, this power supply unit is connected in order to provide the work electric energy to the host computer with the host computer. The handheld terminal includes but is not limited to a mobile phone, a tablet computer, a POS machine or a calling machine.

Please refer to fig. 1 to 4, which are diagrams of the power supply device in some embodiments of the present invention, the power supply device includes a housing 1, a battery cell 2 and a power board 3 are disposed in the housing 1, a thermistor for detecting an ambient temperature is disposed on the power board 3, and a heating film 4 connected to the power board 3 for increasing a temperature of the battery cell 2 is further disposed in the housing 1, so that the power supply device can operate at a suitable temperature, and a service time and a service life of the power supply device at a low temperature can be prolonged.

In some embodiments, the housing 1 is substantially a cuboid structure, such as a rectangular parallelepiped structure. Preferably, the housing 1 includes a casing 11 and a cover 12 connected to the casing 11, the casing 11 includes a bottom wall 111 and a peripheral wall 112 extending from the bottom wall 111, the bottom wall 111 and the peripheral wall 112 cooperate to form a containing groove a for containing the power core 2, the power panel 3 and the heating film 4.

The housing 11 may be made of an insulating material, for example, the housing 11 may be made of a hard insulating material, such as phenolic plastic, polyurethane plastic, epoxy plastic, unsaturated polyester plastic, furan plastic, silicone resin, acryl resin, and the like, and modified resin thereof. The cover 12 may be a plate-like structure, which may be made of metal, such as stainless steel or copper.

As shown in fig. 6, a step portion 1122 may extend from an inner wall of the peripheral wall 112 to position and fix the cover 12, and the housing 11 and the cover 12 may be connected and fixed by glue, tape, or the like, or may be connected and fixed by a snap-fit manner, or may be connected and fixed by a screw, for example, the cover 12 may be fixed on the housing 11 by a screw to seal components such as the electrical core 2.

In some embodiments, the battery cell 2 may be a lithium ion battery cell. In some embodiments, the power board 3 may be a PCB board.

In some embodiments, the heating film 4 is disposed between the bottom wall 111 and the battery cell 2, and preferably, the heating film 4 has a first surface and a second surface opposite to each other, the first surface is connected to the battery cell 2 by a first bonding member, and the second surface is connected to the bottom wall 111 by a second bonding member, where the first bonding member and the second bonding member may be glue or adhesive tape, and may be 3M glue. Of course, the heating film 4 may be disposed between the battery cell 2 and the cover 12, or the heating film 4 may be disposed on both the upper and lower surfaces of the battery cell 2.

The heating film 4 and the power panel 3 may be connected through a contact, a spring or a wire, or may be connected with the power panel 3 through a connector, and the power panel 3 is provided with corresponding connection points. Preferably, the heating film 4 may be a polyimide heating film. The polyimide heating film is formed by using a polyimide film as an outer insulator, using metal and metal wires as inner conductive heating bodies and performing high-temperature and high-pressure heat sealing.

Preferably, the side surface of the peripheral wall 112 is provided with a through hole 1121 for exposing the connection contact of the power source board 3.

The power panel 3 is disposed parallel to the longitudinal direction of the housing 11 as shown in fig. 7, or the power panel 3 is disposed parallel to the width direction of the housing 11 as shown in fig. 1 to 6, and preferably, the power panel 3 may be fixed to the housing 11 by a fastening member such as a screw or a bolt, or may be fixed by an adhesive.

Preferably, the thermistor is arranged on the power panel 3, the thermistor is an NTC thermistor, and the thermistor collects ambient temperature, when the ambient temperature is low, the power panel 3 can provide power for the heating film 4 to heat the power supply device to a proper temperature, so that the service life and the output power of the power supply device can be effectively ensured. In some embodiments, the power board 3 can transmit the ambient temperature parameter detected by the thermistor to the host computer.

In some embodiments, the outer surface of the cover 12 is provided with a sticker 5.

As shown in fig. 5, in other embodiments, the power supply device may include a wireless charging assembly disposed in the housing 1, which includes a wireless charging coil 6 connected to the power board 3, and a magnetic shielding sheet 7 disposed between the wireless charging coil 6 and the battery cell 2.

In some embodiments, the power supply device may also be used as ase:Sub>A mobile power supply, and correspondingly, the power supply device may include an interface, such as ase:Sub>A USB-ase:Sub>A interface or ase:Sub>A USB-C interface, disposed on the housing 1 and connected to the power board 3.

It is understood that the above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. The utility model provides a power supply unit, its characterized in that, includes shell (1), be equipped with interconnect's electric core (2) and power strip (3) in shell (1), be equipped with the thermistor that is used for detecting ambient temperature on power strip (3), still be equipped with in shell (1) with power strip (3) are connected and are used for improving heating film (4) of electric core (2) temperature.

2. The power supply device according to claim 1, wherein the housing (1) includes a case (11) and a cover (12) connected to the case (11);

the casing (11) comprises a bottom wall (111) and a peripheral wall (112) extending from the bottom wall (111), and the bottom wall (111) and the peripheral wall (112) are matched to form a containing groove (A) for containing the battery cell (2), the power panel (3) and the heating film (4).

3. The power supply device according to claim 2, wherein the heating film (4) is provided between the bottom wall (111) and the battery cell (2).

4. The power supply device according to claim 3, wherein the heating film (4) has a first surface and a second surface opposite to each other, the first surface is connected to the battery cell (2) by a first adhesive member, and the second surface is connected to the bottom wall (111) by a second adhesive member.

5. The power supply device according to any one of claims 1 to 4, wherein the heating film (4) is connected to the power supply board (3) by a contact, a spring piece or a wire.

6. The power supply device according to any one of claims 1 to 4, wherein the heating film (4) is a polyimide heating film.

7. The power supply device according to any one of claims 2 to 4, wherein a side surface of the peripheral wall (112) is provided with a through hole (1121) for exposing a connection contact of the power supply board (3).

8. The power supply device according to claim 7, wherein the power supply board (3) is disposed in parallel with a longitudinal direction of the housing (11), or the power supply board (3) is disposed in parallel with a width direction of the housing (11).

9. A power supply device according to any one of claims 2 to 4, characterized in that the outer surface of the cover (12) is provided with a sticker (5).

10. A hand-held terminal, comprising a host and a power supply device according to any one of claims 1 to 9, the power supply device being connected to the host for supplying operating power to the host.