CN117528974A - Fireproof structure and electronic equipment - Google Patents

Abstract

The invention discloses a fireproof structure and electronic equipment, wherein the fireproof structure comprises a shell, a power panel and a first fireproof cover, the power panel is arranged in the shell, the power panel is connected with a main board, and the first fireproof cover is arranged on the power panel. According to the technical scheme, the first fireproof cover is covered on the outer portion of the power panel, the power panel is wrapped by the first fireproof cover, the influence of the power panel on other devices is reduced, and the normal operation of the fireproof structure is guaranteed. Therefore, the first fireproof cover is made of a material with a high fireproof grade, the shell can be made of a material with a low fireproof grade, and the cost of the fireproof structure is reduced on the premise of meeting safety certification.

Description

Fireproof structure and electronic equipment

Technical Field

The invention relates to the technical field of electronic products, in particular to a fireproof structure and electronic equipment.

Background

In the current multimedia sound box industry, there are Soundbar sound boxes in addition to the traditional box type sound boxes. Soundbar enclosures are an electronic device that integrates the sound field effects of multiple channels into one bar cavity. When the loudspeaker box is used, the soundbar loudspeaker box is transversely arranged and is mainly matched with flat televisions such as a liquid crystal television and a plasma television.

The power panel installed in the existing soundbar sound box is usually connected with the main board through Du Bangzhen or a wire, and then the power panel and the main board are directly fixed on the inner wall of the shell. Because the power panel can generate a large amount of heat during working, the operation of other devices in the sound box is easily affected; in order to meet the requirements of safety certification, the whole shell is made of materials with high fireproof grade, and the production cost of the fireproof structure of the soundbar loudspeaker box is improved due to the high requirements of the materials of the shell.

Disclosure of Invention

The invention mainly aims to provide a fireproof structure and aims to solve the problem of high production cost of the existing fireproof structure.

In order to achieve the above object, the present invention provides a fire-proof structure comprising:

a housing;

the power panel is arranged in the shell; and

the first fireproof cover is covered on the power panel.

Optionally, the first fireproof cover comprises a first cover body and a second cover body, the first cover body is connected with the second cover body and encloses a containing cavity, and the power panel is installed in the containing cavity.

Optionally, the inside of the first cover body is equipped with the close-fitting column, the close-fitting column towards the direction protrusion setting of the second cover body, the second cover body corresponds the close-fitting column is provided with the locating hole, close-fitting column joint in the locating hole, fire prevention structure still includes first fastener, first fastener runs through the locating hole, and connect the close-fitting column.

Optionally, the side wall protrusion of the first cover body is provided with the trip, the side wall of the second cover body is provided with the bayonet socket, the trip joint in the bayonet socket.

Optionally, one side of the first cover body, which is close to the inner wall of the shell, is provided with a limiting groove, the inner wall of the shell is provided with a limiting post in a protruding manner corresponding to the limiting groove, and the limiting post is clamped in the limiting groove.

Optionally, the fireproof structure further comprises a socket and a second fireproof cover, the socket is arranged in the shell, the socket is connected with the power panel, and the second fireproof cover is arranged on the socket.

Optionally, the fireproof structure further comprises a wire, the first fireproof cover is provided with a through hole, the second fireproof cover is provided with a perforation, and the wire penetrates through the through hole and the perforation to connect the power panel and the socket.

Optionally, the first fireproof cover includes fireproof cover body and card bone, the card bone is located the outside of fireproof cover body, and for fireproof cover body protrusion sets up, card bone with have the card wire casing between the fireproof cover body, the wire runs through the through-hole, and the joint in the card wire casing.

Optionally, the second fireproof cover includes a third cover body and a fourth cover body, the third cover body with the joint of the fourth cover body, the outside protrusion of the third cover body is provided with first location portion, the fourth cover body corresponds first location portion is provided with second location portion, the fireproof structure still includes the second fastener, the second fastener is connected first location portion with second location portion, in order to connect the third cover body with the fourth cover body.

Optionally, the first cover body and the second cover body are both provided with heat dissipation holes, and the diameter of the heat dissipation holes is smaller than 3mm and larger than 2mm.

Optionally, the first fireproof cover and the second fireproof cover are made of UL94V0 plastic materials.

The invention provides an electronic device, which comprises a fireproof structure.

According to the technical scheme, the first fireproof cover is covered on the outer portion of the power panel, the power panel is wrapped by the first fireproof cover, the influence of the power panel on other devices is reduced, and the normal operation of the fireproof structure is guaranteed. Therefore, the first fireproof cover can be made of a material with high fireproof grade, the shell can be made of a material with low fireproof grade, and the cost of the fireproof structure is reduced on the premise of meeting safety certification.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an embodiment of a fire-protecting structure according to the present invention;

FIG. 2 is a partially exploded view of an embodiment of a fire-protecting structure according to the present invention;

FIG. 3 is a schematic diagram illustrating an embodiment of the fireproof structure of the present invention when a first fireproof cover covers a power strip and a second fireproof cover covers a socket;

FIG. 4 is a schematic diagram showing an exploded structure of an embodiment of the fireproof structure of the present invention when a first fireproof cover covers a power strip and a second fireproof cover covers a socket;

fig. 5 is an exploded view of an embodiment of the fireproof structure of the present invention when the first fireproof cover covers the power strip and the second fireproof cover covers the socket.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

The present invention proposes a fire protection structure 100. Referring to fig. 1 to 5, fig. 1 is a schematic structural view of an embodiment of a fire-proof structure 100 according to the present invention; FIG. 2 is a partially exploded view of an embodiment of a fire-protecting structure 100 according to the present invention; fig. 3 is a schematic structural view of an embodiment of the fireproof structure 100 according to the present invention when the first fireproof cover 21 covers the power panel 20 and the second fireproof cover 40 covers the socket 30; fig. 4 is an exploded view of an embodiment of the fireproof structure 100 according to the present invention when the first fireproof cover 21 covers the power panel 20 and the second fireproof cover 40 covers the socket 30; fig. 5 is a schematic exploded view of an embodiment of the fireproof structure 100 according to another aspect of the present invention when the first fireproof cover 21 covers the power panel 20 and the second fireproof cover 40 covers the socket 30.

In an embodiment of the present invention, as shown in fig. 1 to 5, a fireproof structure 100 according to the present invention includes:

a housing 10;

a power panel 20, wherein the power panel 20 is arranged in the housing 10; and

the first fireproof cover 21 is covered on the power panel 20.

According to the technical scheme, the first fireproof cover 21 is covered on the outer portion of the power panel 20, the power panel 20 is wrapped by the first fireproof cover 21, the influence of the power panel 20 on other devices is reduced, and the normal operation of the fireproof structure 100 is guaranteed. In this way, the first fireproof cover 21 may be continuously made of a material with a high fireproof level, and the housing 10 may be made of a material with a low fireproof level. The fire-proof level of the material of the housing 10 is reduced, so that the total cost for producing the housing 10 and the first fire-proof cover 21 is reduced, and the production cost of the fire-proof structure 100 is reduced on the premise of meeting the safety certification.

Wherein the housing 10 includes a bottom shell 13 and a face shell 12. The face shell 12 is connected with the bottom shell 13 and forms a cavity. The power panel 20 and the first fireproof cover 21 are both mounted into the cavity.

The existing fireproof structure only adopts the shell as a fireproof cover to meet the requirements of safety certification, and therefore, the whole shell is made of UL94V0 plastic materials. In the fireproof structure 100 of the present invention, the first fireproof cover 21 is used to cover the power panel 20, the first fireproof cover 21 is made of UL94V0 plastic material, and the first fireproof cover 21 wraps the power panel 20, so that the housing 10 can be made of UL94HB material with a lower fireproof level.

The first fire shield 21 of the present invention is smaller in size and requires less UL94V0 plastic material to be used, so that the fire protection structure 100 of the present invention uses less UL94V0 plastic material than the existing fire protection structure. The housing 10 of the present invention is made of a lower fire rating material than the conventional fire rated material, for example, a lower fire rating UL94HB material. Therefore, the first fireproof cover 21 and the housing 10 are manufactured by adopting the UL94V0 plastic material and the UL94HB material, the fireproof structure 100 meets the requirements of safety certification through the first fireproof cover 21 and the housing 10, and the dosage of the UL94V0 plastic material is reduced, so that the total cost of the first fireproof cover 21 and the housing 10 is lower than the cost of the existing housing.

The power panel 20 may be provided with electronic components such as a battery module, a controller, and a sensor. The first fireproof cover 21 wraps the power panel 20 and electronic components such as a battery module, a controller and a sensor on the power panel 20, so that the influence of the power panel 20 and the electronic components such as the battery module, the controller and the sensor on the power panel 20 on other devices outside the first fireproof cover 21 is reduced, and the normal operation of the fireproof structure 100 is ensured.

Further, the first fireproof cover 21 includes a first cover 215 and a second cover 216, the first cover 215 is connected with the second cover 216 and encloses a receiving cavity 2152, and the power panel 20 is mounted in the receiving cavity 2152.

In an embodiment, as shown in fig. 4 and 5, the first cover 215 and the second cover 216 are connected and enclose to form a containing cavity 2152, and the power panel 20 and electronic components such as a battery module, a controller, a sensor, etc. on the power panel 20 are installed in the containing cavity 2152. The first cover 215 and the second cover 216 may be made of UL94V0 plastic material, so as to prevent the power panel 20 and other electronic components such as a battery module, a controller, a sensor, etc. on the power panel 20 from being damaged due to burning caused by too high temperature. It should be noted that other devices may be as follows: motherboard, horn, keys, etc.

For the purpose of more stable connection of the fireproof structure 100, the first cover 215 is provided with a close-fitting column 2154 inside, the close-fitting column 2154 is arranged towards the second cover 216, the second cover 216 is provided with a positioning hole 2161 corresponding to the close-fitting column 2154, the close-fitting column 2154 is clamped to the positioning hole 2161, the fireproof structure 100 further comprises a first fastener 22, and the first fastener 22 penetrates through the positioning hole 2161 and is connected with the close-fitting column 2154.

In an embodiment, the close-fitting post 2154 of the first cover 215 is connected to the positioning hole 2161 of the second cover 216 by an interference fit, so that the first cover 215 is fixed to the second cover 216. Because the first cover 215 and the second cover 216 are firmly fixed, the first cover 215 is not easy to move relative to the second cover 216, thereby reducing the loosening of the fireproof structure 100 during use. The power panel 20 is provided with a hole corresponding to the close-fit column 2154, and the first fastener 22 sequentially penetrates through the positioning hole 2161 and the hole for avoiding and is connected with the close-fit column 2154.

In order to facilitate the installation of the first cover 215 and the second cover 216 together, a hook 2151 is protruding from a side wall of the first cover 215, a bayonet 2162 is provided on a side wall of the second cover 216, and the hook 2151 is clamped to the bayonet 2162.

In one embodiment, as shown in fig. 4 and 5, the first cover 215 is clamped to the second cover 216. Specifically, the hook 2151 of the first cover 215 is clamped to the bayonet 2162 of the second cover 216, and the hook 2151 is difficult to disengage from the bayonet 2162, so that the connection stability between the first cover 215 and the second cover 216 is high. And the interior of the first housing 215 is also provided with a mating post 2154 in a protruding manner, the mating post 2154 being mounted to the locating hole 2161 of the second housing 216 to prevent relative movement between the first housing 215 and the second housing 216.

In an embodiment, the side portion of the first cover 215 is further provided with an insert 2153, a stop 2163 is protruding from the inner portion of the second cover 216, the side wall of the second cover 216 is further provided with an insert slot 2164, and the insert 2153 is inserted into the insert slot 2164, so that the first cover 215 and the second cover 216 are limited by the insert 2153 and the stop 2163.

In order to install the first fireproof cover 21 on the inner wall of the housing 10, a limit groove 2150 is disposed on one side of the first cover 215, which is close to the inner wall of the housing 10, and a limit post 11 is disposed on the inner wall of the housing 10 corresponding to the limit groove 2150 in a protruding manner, and the limit post 11 is clamped in the limit groove 2150.

In one embodiment, the first cover 215 is provided with a limit groove 2150. The power panel 20 and electronic components such as a battery module, a controller, a sensor and the like on the power panel 20 are mounted to the accommodating cavity 2152, and then the limit groove 2150 of the first cover 215 is abutted with the limit post 11 on the inner wall of the housing 10, so that the first fireproof cover 21 is mounted on the inner wall of the housing 10, and further the power panel 20 and electronic components such as a battery module, a controller, a sensor and the like on the power panel 20 are mounted on the inner wall of the housing 10 through the first fireproof cover 21.

In order to package the power device installed in the housing 10 to isolate the power device from other devices, the fireproof structure 100 further includes a socket 30 and a second fireproof cover 40, the socket 30 is disposed in the housing 10, the socket 30 is connected with the power panel 20, and the second fireproof cover 40 is covered on the socket 30.

In one embodiment, the exterior cover of the receptacle 30 is covered with a second fire shield 40. The socket 30 and the power panel 20 are wrapped by the second fireproof cover 40 and the first fireproof cover 21, so that the influence of heat generated by the socket 30 and the power panel 20 on other devices is reduced, and the normal operation of other components is ensured. Wherein the second fireproof cover 40 may be made of UL94V0 plastic material.

Since the power panel 20 is wrapped by the first fireproof cover 21 and the socket 30 is wrapped by the second fireproof cover 40, in order to connect the power panel 20 with the socket 30, the fireproof structure 100 further includes a wire 50, the first fireproof cover 21 is provided with a through hole 214, the second fireproof cover 40 is provided with a through hole 42, and the wire 50 penetrates the through hole 214 and the through hole 42 to connect the power panel 20 with the socket 30.

In an embodiment, as shown in fig. 2 and 3, the fireproof structure 100 may further include a main board, and the power board 20 is connected to the socket 30 and the main board through a wire 50. The first fireproof cover 21 is provided with a through hole 214, and the second fireproof cover 40 is provided with a through hole 42, so that the wire 50 penetrates through the through hole 214 and the through hole 42 to connect the power panel 20 and the socket 30 together; or the wires 50 are connected to the motherboard through the through holes 214. The through hole 214 may be disposed on the first cover 215 or may be disposed on the second cover 216.

It should be noted that, the power panel 20 may also be connected to the motherboard by adopting Du Bangzhen, and the first fireproof cover 21 is provided with a through hole 214 corresponding to the Du Bangzhen, so that Du Bangzhen penetrates the through hole 214 and is plugged on the motherboard.

In order to facilitate limiting the wire 50, the first fireproof cover 21 includes a fireproof cover body 210 and a clamping rib 211, the clamping rib 211 is disposed on the outer side of the fireproof cover body 210 and protrudes from the fireproof cover body 210, a clamping slot 212 is disposed between the clamping rib 211 and the fireproof cover body 210, and the wire 50 penetrates through the through hole 214 and is clamped in the clamping slot 212.

In an embodiment, the clamping ribs 211 are disposed on the first cover 215, and the clamping ribs 211 are plural. The clamping rib 211 may be bent relative to the fireproof cover body 210, so that a clamping slot 212 is formed between the clamping rib 211 and the fireproof cover body 210, and the wire 50 is clamped to the clamping slot 212, so that the wire 50 is limited outside the first cover body 215. The top of the fireproof cover body 210 is concavely provided with a groove 213, and the groove 213 extends along the direction of the socket 30. The clamping ribs 211 are also arranged at two sides of the groove 213 to limit the wires 50 in the groove 213.

In order to facilitate covering the second fireproof cover 40 on the exterior of the socket 30, the second fireproof cover 40 includes a third cover 41 and a fourth cover 43, the third cover 41 is fastened to the fourth cover 43, a first positioning portion 410 is protruding from the exterior of the third cover 41, a second positioning portion 431 is provided on the fourth cover 43 corresponding to the first positioning portion 410, the fireproof structure 100 further includes a second fastener 60, and the second fastener 60 connects the first positioning portion 410 and the second positioning portion 431 to connect the third cover 41 and the fourth cover 43. The through hole 42 may be provided in the third cover 41 or in the fourth cover 43.

In an embodiment, as shown in fig. 2 to 5, the socket 30 is mounted to the third cover 41, a fastening structure 412 may be disposed on a side wall of the third cover 41, the fourth cover 43 may be disposed with a positioning slot 430 corresponding to the fastening structure 412, the fastening structure 412 is fastened to the positioning slot 430, and the third cover 41 is fastened to the fourth cover 43, so that the second fireproof cover 40 wraps the socket 30. The third cover 41 and the fourth cover 43 are fixed by the second fastening member 60, and the second fastening member 60 may be connected to the inner wall of the housing 10, so that the second fireproof cover 40 may be mounted to the inner wall of the housing 10, and the socket 30 may be fixed to the inner wall of the housing 10. Wherein, the first positioning portion 410 and the second positioning portion 431 are provided with mounting holes 432, so that the second fastening member 60 penetrates the mounting holes 432 and is connected to the housing 10.

In order to radiate the heat generated by the power board 20, the first cover 215 and the second cover 216 are provided with heat radiating holes 2155, and the diameter of the heat radiating holes 2155 is smaller than 3mm and larger than 2mm.

In an embodiment, the first fireproof cover 21 is provided with a heat dissipation hole 2155 with a diameter smaller than 3mm and larger than 2mm, so that heat generated when the power panel 20 and electronic components such as a battery module, a controller, a sensor and the like on the power panel 20 work can be dissipated. Preferably, the diameter of the heat dissipation holes 2155 is 2.9mm or 2.8mm.

Optionally, the second fireproof cover 40 is made of UL94V0 plastic material.

The first fireproof cover 21 and the second fireproof cover 40 may be made of UL94V0 plastic material. Wherein, other plastic parts except the first fireproof cover 21 and the second fireproof cover 40 all use UL94HB common raw materials, such as the outer shell 10.

The invention also proposes an electronic device comprising a fire protection structure 100. The specific structure of the fireproof structure 100 refers to the above embodiment, and because the electronic device adopts all the technical solutions of all the embodiments, at least has all the beneficial effects brought by the technical solutions of the embodiments, and will not be described in detail herein.

The electronic equipment can be a sound box, an electric toothbrush, a charging desk lamp, an electronic photo frame and the like.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims (12)

1. A fire protection structure, comprising:

a housing;

the power panel is arranged in the shell; and

the first fireproof cover is covered on the power panel.

2. The fire protection structure of claim 1, wherein the first fire protection cover comprises a first cover body and a second cover body, the first cover body and the second cover body are connected and enclose a containing cavity, and the power panel is mounted in the containing cavity.

3. The fire-protection structure according to claim 2, wherein a close-fitting column is arranged in the first cover body, the close-fitting column protrudes towards the second cover body, a positioning hole is formed in the second cover body corresponding to the close-fitting column, the close-fitting column is clamped in the positioning hole, and the fire-protection structure further comprises a first fastening piece, and the first fastening piece penetrates through the positioning hole and is connected with the close-fitting column.

4. The fire protection structure according to claim 2, wherein the side wall of the first cover body is provided with a hook in a protruding manner, and the side wall of the second cover body is provided with a bayonet, and the hook is clamped in the bayonet.

5. The fire-proof structure of claim 2, wherein a limit groove is formed in a side, close to the inner wall of the housing, of the first cover body, a limit post is arranged on the inner wall of the housing in a protruding manner corresponding to the limit groove, and the limit post is clamped in the limit groove.

6. The fire protection structure according to any one of claims 1 to 5, further comprising a socket provided in the housing, the socket being connected to the power strip, and a second fire protection cover provided over the socket.

7. The fire protection structure of claim 6, further comprising a wire, wherein the first fire protection cover is provided with a through hole, and wherein the second fire protection cover is provided with a through hole, and wherein the wire penetrates the through hole and the through hole to connect the power panel and the socket.

8. The fire protection structure of claim 7, wherein the first fire protection cover comprises a fire protection cover body and a clamping rib, the clamping rib is arranged outside the fire protection cover body and protrudes relative to the fire protection cover body, a clamping slot is arranged between the clamping rib and the fire protection cover body, and the wire penetrates through the through hole and is clamped in the clamping slot.

9. The fire protection structure of claim 6, wherein the second fire protection cover comprises a third cover body and a fourth cover body, the third cover body is fastened with the fourth cover body, a first positioning portion is arranged on the outer portion of the third cover body in a protruding mode, a second positioning portion is arranged on the fourth cover body corresponding to the first positioning portion, and the fire protection structure further comprises a second fastening piece, and the second fastening piece is connected with the first positioning portion and the second positioning portion to connect the third cover body with the fourth cover body.

10. The fire protection structure according to any one of claims 2 to 5, wherein the first cover and the second cover are each provided with a heat radiation hole having a diameter of less than 3mm and greater than 2mm.

11. The fire protection structure of claim 6, wherein the first fire protection cover and the second fire protection cover are both made of UL94V0 plastic material.

12. An electronic device comprising a fire protection structure according to any one of claims 1 to 11.