KR20120041604A - Battery assembly of mobile terminal - Google Patents

Abstract

Disclosed is a battery assembly of a mobile terminal having an improved structure to increase a sealing effect of a mobile terminal battery such as an industrial PDA. In the battery assembly of the mobile terminal according to the preferred embodiment of the present invention, the battery assembly detachably attached to the main body of the mobile terminal, one side is opened to cover the battery case formed with a space for accommodating the rechargeable battery, and to cover the open surface of the battery case; A battery cover coupled to the battery case may include a sealing member interposed between the battery case and the battery cover to seal a mutual coupling portion of the battery case and the battery cover.

Description

BATTERY ASSEMBLY OF MOBILE TERMINAL

The present invention relates to a mobile terminal, and more particularly to a battery assembly of a mobile terminal having an improved structure to increase the sealing effect of the mobile terminal battery.

In general, a mobile terminal is a terminal that can be used freely while moving regardless of a place. Representative examples thereof include a mobile communication terminal such as a mobile phone and a personal digital assistant (PDA) called a personal portable terminal. Therefore, the term 'mobile terminal' as used herein is a term that includes them all, but for the convenience of description, the following description will be limited to the PDA.

In a complex and diversified society, each individual has a need to store and maintain his or her own information, and various products are currently on the market to meet such individual needs. One of them is PDA (Personal Digital Assistant). PDA, also known as a pocket computer, is a generic term for a palm-sized, small device that has calculation, data storage, and retrieval functions for personal and business purposes, and is often used to maintain schedule calendars and address book information.

In particular, industrial personal digital assistants (PDAs) are currently being used mainly in the logistics industry, and the market is gradually expanding. Industrial PDA is a PDA with a variety of office functions such as barcode scanner and card payment machine which are not found in general PDA. The use of industrial PDA has the advantage of efficient delivery, data management and related tasks. For example, insurers can carry out various insurance-related tasks such as customer information management, customer search, schedule management, counseling logbook management, anniversary search, and invoice processing. In hospitals, medical records, medical history, prescriptions, and image images and graphics such as X-rays can be entered or searched by an industrial PDA carried by medical personnel without time and place restrictions. Of police officers are allowed to pay the traffic law violation penalties that can be paid only 2-3 days after the crackdown. This can dramatically shorten the time.

As can be seen that the industrial PDA is used in the various industrial fields described above, unlike the general PDA, the industrial PDA should have a certain level or more of a requirement that can withstand the industrial environment. In other words, unlike general PDAs, industrial PDAs may be used in freezing warehouses below 10 degrees Celsius and may also be used for a long time outdoors. It must be equipped with impact resistance, water resistance and heat / cooling to be competitive as a product. As such, industrial PDAs must be made more robust and firm than ordinary PDAs, and must be waterproof to resist snow or rain.

On the other hand, such an industrial PDA is provided with a rechargeable battery for supplying power required for the operation of the electronic components embedded in the terminal body, the rechargeable battery is embedded in a battery assembly consisting of a battery case and a battery cover, the battery assembly is a terminal body The battery compartment provided in the rear case of the detachable.

Conventional battery assembly is coupled to the battery case so that the battery cover to cover the upper opening surface of the battery case in the state that the built-in rechargeable battery in the battery case, at this time, the fusion bonding between the battery case and the battery cover do.

However, since the mutual coupling part of the battery case and the battery cover of the industrial PDA is fusion-bonded in the absence of the sealing member, the waterproof and moisture-proof functions of the mutual coupling part of the battery case and the battery cover are weak, so that moisture is prevented from interposing the battery connection area. In addition, foreign matters, etc., may cause serious problems such as battery malfunction and failure.

The present invention has been made to solve the above problems, and an object thereof is to provide a battery assembly of a mobile terminal having an improved structure to increase the sealing effect of a mobile terminal battery such as an industrial PDA.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

A battery assembly of a mobile terminal according to a preferred embodiment of the present invention for achieving the above object, the battery assembly detachably attached to the mobile terminal body, the battery case is formed on one side is opened to accommodate the rechargeable battery, and the battery The battery cover may be coupled to the battery case so as to cover the open surface of the case, and a sealing member interposed between the battery case and the battery cover to seal the mutual coupling portion of the battery case and the battery cover.

Here, the sealing member is preferably an O-ring.

In addition, the sealing member preferably has a closed loop shape so as to be disposed along the edge coupling portion of the mutually opposite surface of the battery case and the battery cover.

In addition, any one of the battery case and the battery cover is formed with a groove so that the sealing member is inserted along the edge coupling portion.

In addition, the other one of the battery case and the battery cover is formed with a protrusion for pressurizing the sealing member while being fitted to the groove portion along the edge engaging portion.

Specific details of other embodiments are included in the detailed description and the drawings.

According to the battery assembly of the mobile terminal according to the preferred embodiment of the present invention as described above, by fusion-bonding each other in a state in which a sealing member such as an O-ring or the like is inserted into the coupling portion of the battery case and the battery cover, Moisture or foreign matters can be prevented from entering into the gap between the bonding regions, and the waterproof and moistureproof effects on the battery of the mobile terminal can be increased.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

1 is a view for explaining a structure for attaching and detaching the battery assembly of the industrial PDA in the terminal body according to a preferred embodiment of the present invention,
2 is a perspective view illustrating a battery assembly of an industrial PDA according to a preferred embodiment of the present invention;
3 is an exploded perspective view of FIG. 2;
4 is a cross-sectional view taken along line IV-IV of FIG. 2, and
5 is a perspective view illustrating a state in which a sealing member is mounted to a battery case.

Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, only the embodiments are to make the disclosure of the present invention complete, and the general knowledge in the art to which the present invention belongs It is provided to fully convey the scope of the invention to those skilled in the art, and the present invention is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

Prior to the description of the present invention, the mobile terminal described below exemplifies an industrial PDA as an example, but it is revealed in advance that not only an industrial PDA but also all mobile electronic devices such as a general PDA, a mobile phone, and a PMP can be included.

Hereinafter, a battery assembly of a mobile terminal according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail to avoid unnecessarily obscuring the subject matter of the present invention.

1 is a view for explaining a structure for attaching and detaching the battery assembly 100 of the industrial PDA 1 to the terminal body 10 according to a preferred embodiment of the present invention.

As shown in FIG. 1, the battery assembly 100 of the industrial PDA 1 according to the preferred embodiment of the present invention is inserted into and detached from the battery mounting portion 11 provided in the rear case 10a of the terminal body 10. do. Here, the structure of attaching and detaching the battery assembly 100 to the terminal body 10 can be understood by a known technique, and thus a detailed description thereof will be omitted.

The battery assembly 100 is provided with a battery terminal 113 electrically connected to the charging battery 101 built in the battery case 110 to be described later, the terminal body 10 is a battery on the bottom of the battery mounting portion 11 The battery connection terminal 13 is provided in electrical contact with the battery terminal 113 of the assembly 100.

In addition, when the battery assembly 100 is mounted on the terminal body 10, the battery mounting portion 11 and the battery mounting portion 11 of the terminal body 10 may be used for waterproofing and moisture-proofing the mounting portion between the terminal body 10 and the battery assembly 100. A sealing member 15, for example silicon, may be disposed along the outer contacting surfaces of the battery assembly 100.

2 is a perspective view illustrating a battery assembly of an industrial PDA according to a preferred embodiment of the present invention, FIG. 3 is an exploded perspective view of FIG. 2, FIG. 4 is a sectional view taken along line IV-IV of FIG. 2, and FIG. 5 is a battery. A perspective view showing a state in which a sealing member is mounted to a case.

As shown in Figures 2 to 5, the battery assembly 100 of the industrial PDA 1 according to a preferred embodiment of the present invention, the battery case 110, the battery cover 130 and the sealing member 150, etc. It may include.

The battery case 110 is manufactured in a rectangular case shape so as to be inserted into a battery slot 11 having a square groove shape provided in the rear case 10a of the terminal body 10, and the battery case 110 may have a built-in rechargeable battery 101. A space 111 is opened (upper surface in Fig. 3). Here, the battery accommodating space 111 of the battery case 110 preferably has an internal space slightly larger than the size of the rechargeable battery 101.

In addition, the battery case 110 is provided with a battery terminal 113 connected to a rechargeable battery terminal (not shown) on one side wall of the inside, and one end of the battery terminal 113 is exposed to the outside of the battery case 110. It is bent and electrically connected to the battery connection terminal 13 provided on the bottom surface of the battery mounting portion 11 of the terminal body 10.

In addition, the battery case 110 is formed with a groove 115 so that the sealing member 150 to be described later is inserted along the edge portion that is fusion-bonded with the battery cover 130 to be described later. Here, the groove 115 has a sufficient depth so that the end of the protrusion 135 of the battery cover 130, which will be described later, in the state where the sealing member 150 is fully inserted, is fitted into the groove 115 to pressurize the sealing member 150. It is desirable to have a width.

The battery cover 130 is fusion-coupled with the battery case 110 to cover the upper opening surface of the battery case 110 in a state where the rechargeable battery 101 is embedded in the battery case 110. Here, the fusion bonding method of the battery case 110 and the battery cover 130 can be understood by a known technique, and thus a detailed description thereof will be omitted.

 In addition, the battery cover 130 is coupled with the upper opening surface of the battery case 110 being slightly inserted into the lower surface of the battery cover 130.

In addition, the battery cover 130 may be detachably attached to the battery mounting portion 11 of the terminal body 10, the battery cover 130 has a coupling protrusion 131 and the coupling groove 133 are formed on both opposite surfaces, respectively. The coupling grooves (not shown) and the coupling protrusions (not shown) formed on opposite sides of the battery mounting unit 11 of the terminal body 10 are respectively fitted.

In addition, when the battery assembly 100 is mounted on the terminal main body 10, the battery mounting part 11 of the terminal main body 10 for a sealing structure such as waterproofing and moisture proof for the mounting area between the terminal main body 10 and the battery assembly 100. The sealing member 140 may be disposed along the outer periphery of the battery cover 130 so that the sealing member 15 may be in contact with the sealing member 15 disposed along the outer periphery.

In addition, the battery cover 130 is pressed into contact with the sealing member 150 inserted into the groove 115 while being inserted into the groove 115 of the battery case 110 along the edge coupling portion fusion-bonded with the battery case 110. Protruding portion 135 is formed.

The sealing member 150 is interposed between the battery case 110 and the battery cover 130 to seal the mutual coupling portion of the battery case 110 and the battery cover 130. More specifically, the sealing member 150 is inserted into the groove 115 of the battery case 110 and the battery cover 130 is fitted to the groove 115 when the battery cover 130 is fusion-bonded with the battery case 110. Contact by pressure projection 135 of In the present exemplary embodiment, the sealing member 150 is illustrated as an O-ring in a silicon material, but the present disclosure is not limited thereto, and may include all sealings having various cross-sectional and tooth materials.

In addition, the sealing member 150 may have a closed loop shape such as a circle or a quadrangle such that the sealing member 150 is disposed along the edge coupling portion of the opposite surface of the battery case 110 and the battery cover 130.

In the present embodiment, the groove 115 is formed so that the sealing member 150 is inserted into the battery case 110 along the edge coupling portion, and is fitted into the groove 115 along the edge coupling portion of the battery cover 130. Although the configuration in which the protrusion 135 is formed to pressurize the sealing member 150 is illustrated, on the contrary, the groove is formed to insert the sealing member 150 along the edge coupling portion of the battery cover 130, and the battery case ( It is also possible to have a configuration in which a projection is formed in the groove along the edge coupling portion 110 to contact the sealing member 150 under pressure.

According to the battery assembly 100 of the industrial PDA of the present invention configured as described above, a sealing such as an O-ring (O-ring) on the mutual coupling portion of the battery case 110 and the battery cover 130 of the industrial PDA (1) In the state in which the member 150 is inserted, the battery case 110 and the battery cover 130 are fused and joined.

As a result, when the sealing member 150, such as an O-ring, is inserted into the coupling portion of the battery case 110 and the battery cover 130 by mutual fusion bonding, moisture or foreign matters, etc., in the gap between the battery coupling regions. It is possible to prevent the inflow and increase the waterproof and moisture proof effect on the industrial PDA battery.

Although embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features thereof. I can understand that. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is shown by the following claims rather than the above description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

1: Mobile terminal (Industrial PDA) 10: Terminal body
11: battery compartment 100: battery assembly
101: rechargeable battery 110: battery case
115: groove 130: battery cover
135: protrusion 140,150: sealing member (O-ring)

Claims (5)

In the battery assembly detachable to the mobile terminal body,
A battery case having one side opened and a space part accommodating a rechargeable battery;
A battery cover coupled to the battery case to cover an open surface of the battery case; And
And a sealing member interposed between the battery case and the battery cover to seal a mutual coupling portion of the battery case and the battery cover. The battery assembly of claim 1, wherein the sealing member is an O-ring. The battery assembly of claim 1, wherein the sealing member has a closed loop shape to be disposed along an edge coupling portion of the battery case and the opposite surface of the battery cover. The battery assembly according to claim 3, wherein one of the battery case and the battery cover has a groove portion formed to insert the sealing member along an edge coupling portion. The battery assembly according to claim 4, wherein the other one of the battery case and the battery cover is provided with a protrusion for pressing and contacting the sealing member while being inserted into the groove along an edge coupling portion.

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