TWM453757U - Electronic device with waterproof structure - Google Patents

Description

Waterproof electronic device

The present invention relates to an electronic device, in particular to an electronic device which is provided on the electronic component of the external interface of the electronic device by using a rubber waterproof member, and has an electronic device with waterproof structure for blocking moisture and dust.

With the advancement of communication technology and electronic technology, electronic devices with various functions, such as mobile phones, multimedia players, notebook computers, etc., have become indispensable tools for modern people, and different kinds of electronic devices are nowadays. It has been integrated into one, making it impossible to use the mobile phone to listen to music, surf the Internet, edit files, or use a personal computer to make calls. The electronic devices are composed of a plurality of different precision electronic components, which greatly improve the aforementioned performance of each of the electronic devices, but are most afraid of contact with water to cause short circuit or moisture in use. Corrosion damage occurs.

In a general design, usually a circuit board is disposed in the electronic device, and the connectors and electronic components are respectively soldered and fixed on the circuit board to be electrically connected to each other and perform information transmission and calculation, and most of the electronic devices Although they are covered with a beautifully designed outer casing to prevent external dust and moisture from coming into contact with the internal precision electronic components, the electronic devices usually have external interfaces in order to receive external electronic signals and power sources. Having a related electronic component for transmitting or receiving or docking, such as an antenna, a connector, etc., since the electronic component is not closely assembled on the electronic device, the user uses the electronic device if the weather is wet, or Inadvertently overturning the water-containing objects (such as water cups) located around the electronic device, the external moisture and Moisture will be able to invade the inside of each electronic device through the gap in the connector, causing the short-circuit or erosion damage of the precision electronic components in the electronic device due to the contact with water or moisture, causing the user to be extremely Inconvenient.

One of the commonly used waterproofing solutions is to achieve a waterproof function by inserting a sealing coil between the transmission line and the electronic component. However, in this waterproof method, a special tool is required to uniformly press the sealing coil into the reserved space between the connector and the transmission line, and the tolerance is precisely controlled. Otherwise, the sealing coil is easily broken and loses the waterproof function. Therefore, the structure that realizes the waterproof function through the sealed coil is inconvenient to assemble, and is not conducive to large-scale applications. How to design an electronic component with good waterproof function is one of the tasks required for the design of the current mechanism, and waterproof. The effectiveness of the function may even affect the decision-making of consumers when purchasing electronic devices, and its importance cannot be ignored.

Since the prior art is still unable to perfect such problems, it is necessary to break through and solve them. Therefore, how to improve convenience, practicability and economic benefits is a key project that the industry should strive to solve and overcome.

Therefore, the creator of this case has developed a solution based on the fact that the waterproof function of the electronic components is not ideal, and hopes to develop a more convenient, practical and economical waterproof. The electronic devices are constructed to promote the development of this industry, and the creation of this creation has been made through the long-term conception.

The purpose of the present invention is to provide an electronic device with a waterproof structure, which uses a mold to provide a rubber waterproof member to an external portion of an electronic component, which is usually connected to an external environment and is easily accessible to moisture in the environment. And dust, causing malfunction and damage of the electronic components. Therefore, by providing the rubber waterproof member on the external portion, it is possible to withstand moisture and dust from the external environment, prevent malfunction and damage of the electronic components, and extend the electronic components. The service life, and the rubber waterproof material is elastic, which can buffer part of the pressure and reduce the possibility of damage to the electronic components. When the external portion provided with the rubber waterproof member is engaged with a connector, the rubber waterproof member can also tightly connect the external portion with the connector to prevent moisture and dust from entering.

For the purpose of the above, the present invention provides an electronic device having a waterproof structure, comprising a flexible circuit board; an electronic component connected to the flexible circuit board, the electronic component comprising an external interface And a rubber waterproofing member which is molded on the external portion.

10‧‧‧Soft circuit board

20‧‧‧Electronic components

22‧‧‧External Department

30‧‧‧Rubber waterproof parts

31‧‧‧ pushed face

40‧‧‧Interfacial active agent

50‧‧‧Molding mould

52‧‧‧ Template

521‧‧ ‧ cavity

522‧‧‧Importing slot

54‧‧‧ Guide

541‧‧‧ trough

542‧‧‧Opening

543‧‧‧Runner

56‧‧‧ pressure plate

561‧‧‧Extrusion Department

60‧‧‧ outer casing

70‧‧‧Electronic devices

72‧‧‧Connectors

1 is a top plan view of a first preferred embodiment of the present invention; FIG. 2 is a cross-sectional view of the first preferred embodiment of the present invention taken along line AA'; BB' line sectional view; the fourth drawing is an exploded view of the molding die of the first preferred embodiment of the creation; the fifth drawing is a schematic structural view of the second preferred embodiment of the creation; and the fifth drawing is the creation of the second preferred embodiment A schematic diagram of the implementation of the second preferred embodiment.

In order to give your reviewers a better understanding and understanding of the structural features and the efficacies of the creation, please refer to the preferred embodiment diagrams and the detailed descriptions to illustrate the following: due to the fact that the electronic components are externally connected The external connection of the device is insufficient in waterproof function, or the waterproof structure is not easy, and the external part is easy to contact with the external water vapor or dust, which leads to an increase in the probability of malfunction and damage of the electronic component. Therefore, the present invention proposes to improve the conventional disadvantages. Technology.

First, please refer to the first, second and third figures, which are a top view of the structure, a cross section of the AA' line and a cross-sectional view of the line BB' of the first preferred embodiment of the creation; as shown, the embodiment The example includes a flexible circuit board 10, an electronic component 20, and a rubber waterproof component 30. The electronic component 20 is coupled to the flexible circuit board 10. The electronic component 20 includes an external component 22, and the rubber waterproof component 30. The mold is placed on the external portion 22, and the rubber waterproof member 30 is looped in this embodiment. The winding is disposed on the external portion 22.

The flexible printed circuit board (FPC) is formed by laminating a flexible copper foil substrate (FCCL) and a soft insulating layer with an adhesive, and etching, and the like, and finally leaving a desired line. As an electronic signal transmission medium, the electronic component 20 (such as a signal transceiving component, etc.) is disposed on the flexible circuit board 10 such that an antenna is integrally formed to generate an antenna function. The external component 22 is provided. For connecting with other electronic devices, in general, the external portion 22 is exposed to the surface of the flexible circuit board 10 in order to exert its docking action, thereby causing easy contact with the outside water and dust, and the material that may cause damage to the electronic component 20 may be The external portion 22 starts to be broken, so that the electronic component 20 is faulty, and finally the damage cannot be used. Therefore, the rubber waterproof member 30 is molded at the surface of the external portion 22, and the rubber waterproof member 30 can avoid the external portion 22 directly. The external environment is contacted, and the external portion 22 is reduced from the influence of moisture and dust.

The rubber waterproof member 30 can be a rubber waterproof member or a silicone waterproof member, and the characteristics thereof can form an elastic body under different conditions such as room temperature and heating, and can be used without special technology or expensive instruments and equipment. Moreover, the elastomer after the forming and hardening has excellent characteristics such as non-toxicity, high transparency, temperature resistance, flame resistance, weather resistance, extrusion resistance, excellent insulation, and corrosion from chemical substances, so that the external portion 22 can be surely protected. Water vapor and dust are less likely to invade and damage the electronic component 20.

In the embodiment, the electronic component 20 is a mobile phone antenna transceiver component, and the external connector 22 is a signal transmission component. In recent years, as the mobile phone is thinned, the mobile phone antenna is also externally mounted on the outside of the mobile phone, and is transformed into a thin and light shape. Built on mobile phones, most of them are fixed on the back of the mobile phone or directly attached to the back cover of the mobile phone. The newer technology uses the laser to directly set the antenna on the mobile phone case. However, no matter how the mobile phone antenna is fixed, In the present embodiment, the rubber waterproof member 30 is disposed on the external portion 22 to protect the mobile phone antenna. In this embodiment, the rubber waterproof member 30 is disposed on the external portion 22 in a loop manner, but The rubber waterproof member 30 can be disposed only in a ring shape, and the rubber waterproof member 30 can also change according to the shape of the external portion 22 or the structure of the electronic component. For example, if the antenna of the embodiment is attached or lasered to the hand, In the case of the casing, the antenna has an exposed surface, the rubber The waterproof member 30 only needs to be disposed on the exposed surface to achieve waterproof and dustproof functions.

In addition, the embodiment further includes an surfactant 40 disposed between the outer portion 22 and the rubber waterproof member 30, so that the rubber waterproof member 30 can be firmly attached to the outer portion during manufacture. 22 on.

Please refer to the fourth drawing, which is an exploded view of the molding die of the first preferred embodiment of the present invention; as shown, the rubber waterproofing member 30 is molded on the external portion 22 by a molding die 50. The mold 50 includes a template 52, a guide 54 and a pressing plate 56. The template 52 has a cavity 521 and an introduction slot 522. The cavity 521 communicates with the introduction slot 522. The guide 54 has a a slot 541, an upper opening 542 and a runner 543. The upper opening 524 and the runner 543 are respectively disposed at two sides of the slot 541. The runner 543 corresponds to the slot 521 and forms a slot with the slot 522. The pressing plate 56 has a pressing portion 561 corresponding to the upper opening 524 and the groove 541.

The template 52 is located at the outermost side of the molding die 50. As shown in the fourth figure, the template 52 is disposed on the bottom layer. The cavity 521 of the template 52 is used to place the flexible circuit board 10, and the introduction slot 522 is In correspondence with the external portion 22 (the portion to be processed) of the electronic component 20, the introduction groove 522 provides a space in which the rubber waterproof member 30 is formed, and the outer shape of the rubber waterproof member 30 can be changed by changing the groove shape of the introduction groove 522. The guide plate 54 is disposed above the template 52, and the glue is inserted into the upper opening 542 to enter the trough 541. The trough 541 is used to guide the silicone into the introduction slot 522 from the runner 543. The pressure plate 56 is provided. Above the guide plate 54, the pressing portion 561 of the pressing plate 56 has an outer shape and a size similar to the upper opening 542 and the trough 541. When the silicone is stopped by the trough 541, the pressing portion 561 passes through the upper opening. The 542 advances the trough 541 to force the silicone into the position of the introduction trough 522.

Therefore, the flexible circuit board 10 provided with the electronic component 20 is disposed in the cavity 521, and the external component 22 (or the portion to be processed) corresponds to the introduction slot 522, and the guide plate 54 is disposed on the template 52. The upper opening 542, the trough 541, the runner 543, the groove 521, and the introduction groove 522 are kept open. The glue is injected into the upper opening 542, and the pressing portion 561 corresponding to the pressing plate 56 is disposed on the guide plate 54 to press the silicone into the groove 521 and the introduction groove 522. The rubber waterproofing member 30 is formed on the outer connecting portion 22, and the surface of the rubber waterproofing member 30 disposed on the outer connecting portion 22 can be single-sided, multi-faceted or The rubber waterproof member 30 can be a rubber waterproof member or a silicone waterproof member.

Please refer to FIG. 5A and FIG. 5B together, which are schematic structural diagrams and implementation diagrams of the second preferred embodiment of the present invention; as shown in the figure, the difference between this embodiment and the first embodiment lies in The electronic component 20 is an electronic transmission device (such as a connector). The external component 22 is a transmission port. As shown in FIG. 5A, the electronic component 20 is disposed on the flexible circuit board 10. The external component 22 is The other side of the electronic component 20 is exposed, and the outer side of the electronic component 20 and the external component 22 is covered by an outer casing 62. The rubber waterproof component 30 is disposed on the outer connecting portion 22 and located in the outer casing 62. The external component 22 of the electronic component 20 can be a connector or a socket. The embodiment further includes an surfactant 40, and the surfactant 40 is disposed on the external component. The adhesive agent 40 is applied to the outer joint portion 22 in the process as described above, so that the rubber waterproof member 30 can be firmly attached to the outer joint portion 22. In a suitable embodiment, the outer portion of the rubber waterproof member 30 is disposed with a push-out surface 31 (as shown in Figs. 5A and 5B).

Referring to FIG. 5B, a connector 72 of an electronic device 70 is connected to the external portion 22, and the connector 72 is slightly larger than the external portion 22, so that the connector 72 is sleeved on the external portion 22. And contacting the rubber waterproof member 30, since the rubber waterproof member 30 has elasticity, when the joint 72 is connected to the outer joint portion 22, when a pressure is applied, the rubber waterproof member 30 fills the joint and the outer joint portion. The gap between the joints 72 and the outer joint portion 22 is such that moisture and dust are not easily entered to reduce the probability of damage of the electronic component 20 and prolong its service life. The rubber waterproof member 30 can be a rubber waterproof member or a silicone waterproof member.

In summary, the present invention uses a molding die to place a rubber waterproof member on the external portion of the electronic component to block moisture, dust from contacting the external portion, or directly invade and damage the electronic component by the external portion to prevent malfunction of the electronic component. Damaged, prolonging the service life of the electronic component, and the material of the rubber waterproof member is elastic, can buffer part of the pressure, and reduce the possibility of damage of the electronic component. If the external portion of the rubber waterproof member is connected with a connector The rubber waterproof member also enables the external portion to be tightly connected to the connector to prevent moisture and dust from entering.

Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention, and anyone skilled in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of protection is subject to the definition of the scope of the patent application.

10‧‧‧Soft circuit board

22‧‧‧External Department

30‧‧‧Rubber waterproof parts

40‧‧‧Interfacial active agent

Claims (11)

An electronic device having a waterproof structure, comprising: a flexible circuit board; an electronic component coupled to the flexible circuit board, the electronic component comprising an external component; and a rubber waterproof component The mold is placed on the external portion. The electronic device with waterproof structure according to claim 1, wherein the electronic component is an antenna transceiver component. The electronic device with waterproof structure according to claim 2, wherein the external portion is a signal transmission component. An electronic device having a waterproof structure as described in claim 1, wherein the electronic component is an electronic transmission device. The electronic device with waterproof structure according to claim 4, wherein the external portion is a transport port. The electronic device with waterproof structure according to claim 1, further comprising an interface active agent disposed between the external portion and the rubber waterproof member. The electronic device with waterproof structure according to claim 1, wherein the rubber waterproof member is disposed on the external portion through a molding die. The electronic device with waterproof structure according to claim 7, wherein the rubber waterproof member is disposed on the outer portion through a molding die ring. The electronic device with waterproof structure according to claim 4, wherein the outer portion of the rubber waterproof member is disposed on a push-out surface. An electronic device with waterproof structure according to claim 1, wherein the rubber waterproof member A tether is disposed on the outer portion. The electronic device with waterproof structure according to claim 1, wherein the rubber waterproof member is a silicone waterproof member.