JP2001298278A - Electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem of an electronic apparatus, e.g. a satellite communication terminal, incorporating a secondary battery that a plurality of components are required because gas and drain water generated through charging operation of the secondary battery must be discharged and water resistance is required. SOLUTION: In an electronic apparatus comprising a secondary battery 4 for operating and backing up the electronic apparatus encased in the body case 1, a drain hole 5 for discharging drain water and gas is made at a part of the case 1 and connected with a zigzag drain groove 6 and a ventilating non-water permeable drain seal 7 is provided to cover the drain hole 5 and the drain groove 6. In other words, drain water and gas in the body are discharged by a minimum additional arrangement and when a water flow on the level of IEC IPX6 flows over the electronic apparatus, water is prevented from intruding into the body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to an IEC IPAX.
The present invention relates to an electronic device such as a satellite communication terminal or the like which requires a water resistance of 6 or more (a degree of protection against water intrusion defined in the IEC standard).

[0002]

2. Description of the Related Art Conventionally, in an electronic device which is required to have water resistance performance equivalent to IEC IPX6, a drying agent is provided inside the body to prevent dew condensation without providing a drain hole in the body. Further, in an electronic device in which gas may be generated inside the airframe when the equipped secondary battery is charged or the like, it is necessary to provide a valve for venting gas.

[0003]

As described above, the conventional I
In an electronic device that is required to have water resistance performance equivalent to EC IPX6, there is a problem that a valve composed of a plurality of components must be used in order to take measures against dew condensation and degassing inside the body.

An object of the present invention is to solve the above-described problems and to provide an electronic device having a water-resistant structure that satisfies IEC IPX6 simply and inexpensively.

[0005]

In order to achieve the above object, the present invention comprises a drain hole for dew condensation water and degassing in a part of a case; a zigzag drain groove connected to the drain hole; An electronic device having a configuration in which a gas-permeable / water-impermeable drain seal covering the drain hole and the drain groove is provided.

According to the present invention, it is possible to discharge dew water and gas inside the airframe, and to prevent water from entering the interior of the airframe when exposed to a water flow equivalent to IEC IPX6. .

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is an electronic apparatus equipped with a secondary battery for operating and backing up an electronic device in a case of an airframe, and a part of the case is provided. An electronic device provided with a drain hole for dew condensation and degassing, a drain groove connected to the drain hole, and an air-permeable / non-water-permeable drain seal covering the drain hole and the drain groove. In addition to performing degassing, it has the effect of preventing water from entering the interior of the aircraft body when exposed to a water flow equivalent to IEC IPX6.

According to a second aspect of the present invention, in the electronic device according to the first aspect, the drain groove is formed in a zigzag shape, and when a water flow equivalent to IEC IPX6 is applied to the electronic device, Part of the water flow is reduced in water pressure by the zigzag drain groove path and does not reach the drain hole, and has an effect of more effectively preventing water from entering the inside of the airframe.

An embodiment of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIG. 1 is a sectional view of an electronic device according to a first embodiment of the present invention, FIG. 2A is a plan view of a drain groove in the electronic device, and FIG. FIG.

As shown in FIGS. 1 and 2, the electronic apparatus according to the first embodiment is provided with a secondary battery 4 for operating and backing up the electronic device in a case 1. A cover 2 is provided at a portion corresponding to the secondary battery 4 with a packing 3 for sealing interposed therebetween. A drain hole 5 is formed in a part of a lower portion of the case 1, and a zigzag drain groove 6 connected to the drain hole 5 is formed on a lower surface of the case 1. A drain hole 5 and a drain groove 6 are formed on the lower surface of the case 1.
The air-permeable / non-water-permeable drain seal 7 is attached.

In FIG. 2, reference numeral 10 denotes IEC IPX.
6, a drain groove width, 12 a drain groove depth, 13 a zigzag drain groove pitch, and 14 a zigzag drain groove height. The drain groove width 11 is 1 mm to 2 mm, and the drain groove depth 12 is 3 mm
~ 4mm, groove pitch 13 is 8mm ~ 12mm, groove height 1
4 is 3 mm to 5 mm.

The electronic device according to the first embodiment of the present invention configured as described above has a structure in which the drain hole 5 provided in the case 1 is provided.
And a drain seal 7 is attached so as to cover the drain groove 6 connected thereto, and a zigzag drain groove path connected to the drain hole 5 is formed. In this configuration, when the water stream 10 equivalent to IEC IPX6 is applied to the electronic device from the direction shown in FIG. 2, a part of the water stream enters through the opening, but the water pressure is reduced by the zigzag drain groove path. The water flow does not reach the drain hole 5. This prevents water from entering the interior of the aircraft.
On the other hand, when a gas is generated inside the machine body by charging the equipped secondary battery 4 or the like, the gas is discharged to the outside through the drain hole 5 and the drain groove 6 and further through the air-permeable drain seal 7. In addition, dew water inside the fuselage can be discharged in a similar manner. Therefore, there is no need to provide a special valve for degassing as in the prior art, and the IEC IP
Water resistance to water flow equivalent to X6 can be ensured.

[0014]

As described above, according to the present invention, by adding a minimum configuration of a drain hole, a drain groove, and a drain seal to the case of the body, dew condensation water and gas inside the body can be removed. In the case where a water flow equivalent to IEC IPX6 is flooded, it is possible to prevent water from entering the inside of the airframe, and the effect is great.

[Brief description of the drawings]

FIG. 1 is a sectional view of an electronic device according to a first embodiment of the present invention.

FIG. 2A is a plan view of a drain groove in the electronic device. FIG. 2B is a cross-sectional view of the drain groove.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Case 2 Lid 3 Packing 4 Secondary battery 5 Drain hole 6 Drain groove 7 Drain seal 10 Water flow 11 Drain groove width 12 Drain groove depth 13 Groove pitch 14 Groove height

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Naoki Ueno 1006 Kazuma Kadoma, Osaka Pref. Matsushita Electric Industrial Co., Ltd. F term (reference) 4E360 AA02 AB02 AB12 AB33 BA04 BC05 BD03 EC12 ED02 ED23 ED27 FA12 GA29 GB99 5H040 AA32 AA33 AS11 AY03

Claims (2)

[Claims] An electronic device comprising a secondary battery for operating and backing up an electronic device in a case of an airframe, wherein a drain hole for dew condensation and degassing is provided in a part of the case, and the drain is provided. An electronic device, comprising: a drain groove connected to a hole; and a gas-permeable / non-water-permeable drain seal covering the drain hole and the drain groove. 2. The electronic device according to claim 1, wherein the drain groove is formed in a zigzag shape.