CN108259952B - Dustproof transform box of electronic product - Google Patents
Dustproof transform box of electronic product Download PDFInfo
- Publication number
- CN108259952B CN108259952B CN201810167483.2A CN201810167483A CN108259952B CN 108259952 B CN108259952 B CN 108259952B CN 201810167483 A CN201810167483 A CN 201810167483A CN 108259952 B CN108259952 B CN 108259952B
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- CN
- China
- Prior art keywords
- digital video
- conversion box
- video conversion
- rubber pad
- waterproof rubber
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20181—Filters; Louvers
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Casings For Electric Apparatus (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the field of electronic products, and particularly discloses a dustproof conversion box of an electronic product. When the digital video conversion box is not in a working state, the dustproof device is arranged at the heat dissipation hole on the digital video conversion box to prevent dust from entering the digital video conversion box; when the digital video conversion box is in a working state, the electric energy and the heat energy generated under the working state of the digital video conversion box are utilized, and the principles of expansion with heat and contraction with cold, electromagnetic effect and the like are utilized to ensure that the covering object is automatically opened without reducing the heat dissipation effect of the digital video conversion box.
Description
Technical Field
This scheme relates to the electronic product field, specifically discloses a dustproof transform box of electronic product.
Background
A digital video converter Box (STB), usually called a Set-Top Box or Set-Top Box, is a device for connecting a television Set to an external signal source. It can convert compressed digital signals into television content and display it on a television set to enable users to watch digital television programs on existing television sets and to conduct interactive digital entertainment, education and commercialization activities over a network.
The digital video conversion box on the market is always provided with heat dissipation holes for reducing the temperature of the digital video conversion box during working, but the heat dissipation holes can cause external dust to enter the digital video conversion box. In the prior art, a cover is often placed on a digital video conversion box for dust prevention, and the digital video conversion box is not taken away even when the digital video conversion box is used. When the digital video conversion box is in a working state, each part can generate certain heat, and a covering on the digital video conversion box tends to influence heat dissipation. And the high temperature can reduce the working performance of the digital video conversion box and even lead to the bad results of crash and the like.
Disclosure of Invention
The scheme aims to provide the electronic product dustproof conversion box, so that when the digital video conversion box is not in a working state, a covering object is placed on the digital video conversion box to prevent dust from entering the digital video conversion box; when the digital video conversion box is in a working state, the covering object is automatically opened without reducing the heat dissipation effect of the digital video conversion box.
An electronic product transform box that prevents dust in this scheme, including digital video transform box body, digital video transform box body is equipped with circuit switch and louvre, louvre department installs dust keeper, dust keeper comprises three piece concatenation pads at least, and two adjacent concatenation pads upper surfaces are passed through the stretch cord and are connected, the electro-magnet is installed to the bottom surface under the concatenation pad, rubber concatenation pad bottom side is inlayed and is had the thermal expansion block group, the thermal expansion block group includes two thermal expansion blocks, the electro-magnet passes through the circuit switch circuit connection of electrical conductor and digital video transform box, the thermal expansion block is located digital video transform box's louvre department.
The dustproof device is arranged at a heat dissipation hole on the digital video conversion box, a circuit switch of the digital video conversion box is opened to enable the digital video conversion box to start working, hot air generated at the heat dissipation hole enables the thermal expansion blocks inlaid in the splicing pads to be enlarged in volume, the two thermal expansion blocks between the adjacent splicing pads are contacted and mutually extruded after the volumes of the two thermal expansion blocks are enlarged, the thermal expansion blocks are arranged on the outer side surfaces of the bottoms of the splicing pads and can generate thrust to the splicing pads after being expanded, so that the distance between the bottoms of the adjacent splicing pads is enlarged, the upper surfaces of the adjacent splicing pads are connected through the elastic rope, but the length of the elastic rope cannot be changed, the distance between the splicing pads is enlarged during working, the length of the elastic rope is not changed, so that upward bending force can be generated to the elastic rope, the splicing pads are gradually lifted upwards, and electromagnets of the splicing pads are connected with a circuit of, after the power is switched on, magnetic poles are generated, the splicing pads are sequentially rolled in the direction far away from the heat dissipation holes, the electromagnets are mutually attracted and attached together, and the dust-proof device does not shield the heat dissipation holes.
The switch of the digital video conversion box is closed, when the digital video conversion box is not in a working state, the electromagnet connected with the switch circuit of the digital video conversion box is not electrified to cause the magnetic disappearance, the electromagnets between the splicing pads are not mutually attracted, the thermal expansion block shrinks and recovers to the original volume, and the splicing pads can move towards the original position direction under the influence of self gravity and fall to cover the radiating hole of the digital video conversion box again.
Compared with the prior art, the scheme has the advantages that: the digital video conversion box is provided with the dustproof device, and the dustproof device can automatically leave the position of the heat dissipation hole by using the electric energy and the heat energy generated when the digital video conversion box is in a working state through the electromagnet and the thermal expansion block arranged on the dustproof device and by using the principles of expansion with heat and contraction with cold, electromagnetic effect and the like without reducing the heat dissipation effect of the digital video conversion box; when the digital video conversion box does not work, electric energy and heat energy disappear to enable the dustproof device to fall off to cover the heat dissipation holes of the digital video conversion box again, so that dust is prevented from entering the digital video conversion box through the heat dissipation holes.
Furthermore, a common magnet is embedded on the surface of the digital video conversion box.
The common magnet of the digital video conversion box can attract the iron core of the electromagnet in the rubber pad, so that the rubber pad can be completely reset to the initial position through the attraction of the magnet after falling, and the rubber pad is prevented from not completely covering the heat dissipation holes to enable dust to enter the digital video conversion box and damage internal elements of the digital video conversion box.
Further, the splicing pads are rubber pads.
Because the rubber mat has elasticity, it is more easily curled and fitted during the bending and fitting up.
Further, the rubber pad is waterproof rubber pad.
The water is prevented from accidentally splashing at the radiating hole of the digital video conversion box, so that the water enters the digital video conversion box and is damaged.
Further, the elastic rope is a rubber rope.
The rubber rope has better elasticity and curling force, and can better drive the splicing pad to curl upwards.
Drawings
FIG. 1 is a schematic structural diagram of a dustproof conversion case for electronic products according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the dustproof device in FIG. 1;
fig. 3 is a diagram of the operation state of fig. 1.
Detailed Description
The following is further detailed by the specific embodiments:
reference numerals in the drawings of the specification include: digital video transform box body 1, circuit switch 2, louvre 3, first waterproof rubber pad 4, second waterproof rubber pad 5, third waterproof rubber pad 6, fourth waterproof rubber pad 7, fifth waterproof rubber pad 8, ordinary magnet 9, rubber rope 10, electro-magnet 11, thermal expansion block group 12.
The embodiment is substantially as shown in figures 1 and 2: a dustproof conversion box for electronic products comprises a digital video conversion box body 1, wherein a dustproof device is installed on the digital video conversion box body 1, and the dustproof device is formed by splicing five waterproof rubber pads. The left side of the digital video conversion box body 1 is embedded with a common magnet 9. An electromagnet 11 is fixedly arranged in the middle of each waterproof rubber pad respectively, and the electromagnet 11 is in circuit connection with a circuit switch 2 of the digital video conversion box body 1.
The dustproof device is formed by movably splicing a first waterproof rubber pad 4, a second waterproof rubber pad 5, a third waterproof rubber pad 6, a fourth waterproof rubber pad 7 and a fifth waterproof rubber pad 8, and rubber ropes 10 of two adjacent waterproof rubber pads are connected together through deformation and bending.
The outer side of the bottom of the adjacent waterproof rubber pad is provided with a thermal expansion block group 12, and two thermal expansion blocks contained in the thermal expansion block group 12 are respectively embedded in the outer side of the bottom of the adjacent waterproof rubber pad.
When the dustproof device is installed, a first waterproof rubber pad of the waterproof device is installed above a switch of the digital video conversion box body 1, and an iron core in an electromagnet 11 of the first waterproof rubber pad 4 can enable the electromagnet 11 to attract a common magnet 9 embedded on the left side of the digital video conversion box body 1; the fifth waterproof rubber pad 8 is positioned on the right side of the digital video conversion box body 1, an iron core in the electromagnet 11 of the fifth waterproof rubber pad enables the electromagnet 11 and the right side of the digital video conversion box body 1 to be embedded with a common magnet 9 for attraction, the embedded thermal expansion position of the waterproof rubber pad is positioned above the heat dissipation hole 3 of the digital video conversion box body 1, and the dust-proof device covers the heat dissipation hole 3 of the digital video conversion box body 1 to prevent dust from entering.
In specific implementation, the switch of the digital video conversion box body 1 is opened, so that the digital video conversion box body 1 starts to work. Because the electromagnet 11 in the waterproof rubber pad is connected with the switch circuit of the digital video conversion box body 1, the electromagnet 11 is electrified to generate a magnetic pole. 11 lower extreme magnetic poles of electro-magnet and 9 magnetic poles of ordinary magnet are homopolar, electro-magnet 11 in the first waterproof rubber pad 4 can produce repulsion with ordinary magnet 9 this moment, first waterproof rubber pad 4 is not contacting with 1 upper end of digital video transform box body, simultaneously in 1 working process of digital video transform box body, 3 departments of louvre of digital video transform box body 1 can produce hot-blastly gradually, make the waterproof rubber pad of louvre 3 inlay thermal expansion block group 12 department temperature rise gradually, thermal expansion block group 12 begins the inflation after being heated, the volume grow gradually, can follow the expansion of waterproof rubber pad inlay department to the outside.
After the volume of the thermal expansion block group 12 between the adjacent waterproof rubber pads is increased to a certain extent, the surfaces of the adjacent thermal expansion block groups 12 are contacted and extruded. Because every two adjacent waterproof rubber pads are connected through the deformable and bendable rubber rope 10, the thermal expansion block group 12 can generate thrust on the waterproof rubber pads in the extrusion process, and the rubber rope 10 connected between the waterproof rubber pads is gradually bent upwards. Because the waterproof rubber pads are movably spliced, the rubber rope 10 between the first waterproof rubber pad 4 and the second waterproof rubber pad 5 can roll upwards after being bent; after the rubber rope 10 between the second waterproof rubber pad 5 and the third waterproof rubber pad 6 is bent, the second waterproof rubber pad 5 can roll upwards; after the rubber rope 10 between the third waterproof rubber pad 6 and the fourth waterproof rubber pad 7 is bent, the third waterproof rubber pad 6 can roll upwards; after the rubber string 10 between the fourth waterproof rubber gasket 7 and the fifth waterproof rubber gasket 8 is bent, the fourth waterproof rubber gasket 7 can be rolled upwards, and the right side of the fifth waterproof rubber gasket 8 is not provided with the thermal expansion block group 12, so that thrust can not be generated, and the fourth waterproof rubber gasket 7 is still at the initial position on the right side of the digital video converter box body 1 in the upwards rolling mode.
As shown in fig. 3, at this time, the dust-proof device above the digital video converter box body 1 will continuously roll away from the heat dissipation hole 3 of the digital video converter box body 1, and will not shield the heat dissipation hole 3. The fifth waterproof rubber pad 8 is still at the initial position on the right side of the digital video conversion box body 1.
After the waterproof rubber pad is rolled up, thermal expansion block group 12 keeps away from louvre 3 in proper order and no longer meets thermal expansion, the volume can reduce in proper order and make the thrust between the waterproof rubber pad disappear, but because the electro-magnet 11 of waterproof rubber pad has digital video transform box body 1's circuit through the electrical lead connection, produce the magnetic pole after the circular telegram, when four preceding waterproof rubber pads roll up the extreme position on right side in proper order, first waterproof rubber pad 4 can roll up to fifth waterproof rubber pad 8 top, first waterproof rubber pad 4 is in different magnetic poles respectively with the electro-magnet 11 of fifth waterproof rubber pad 8 one side relatively this moment, thereby produce the appeal and make first waterproof rubber pad 4 and fifth waterproof rubber pad 8 adsorb together through electro-magnet 11. At this moment, the thermal expansion block group 12 is sequentially far away from the heat dissipation holes 3 and does not expand when heated, so that the whole dustproof device does not cover the heat dissipation holes 3 of the digital video conversion box body 1 any more, the heat dissipation performance of the digital video conversion box body 1 is not influenced, and the occurrence of bad consequences such as crash and the like is prevented.
Close digital video transform box body 1's switch, when digital video transform box body 1 was not in operating condition, the electro-magnet 11 with digital video transform box body 1 switch circuit connection no longer circular telegram lead to magnetism to disappear, two electro-magnets 11 in first waterproof rubber pad 4 and the fifth waterproof rubber pad 8 no longer attract each other, because thermal expansion block group 12 between the waterproof rubber pad is no longer expanded and the shrink resumes original volume, the waterproof rubber pad can move and fall to original position direction under the influence of self gravity and cover 3 departments of louvre at digital video transform box body 1 again.
Because the common magnet 9 arranged on the left side of the digital video conversion box body 1 can attract the iron core of the electromagnet 11 in the first waterproof rubber pad 4, the first waterproof rubber pad 4 is completely reset to the initial position through the attraction of the magnet after falling, and the whole waterproof device is completely reset again.
When the digital video conversion box is not in a working state, the dustproof device is arranged at the radiating hole on the digital video conversion box body to prevent dust from entering the digital video conversion box; when the digital video conversion box is in a working state, the dust-proof device can be automatically opened by utilizing the electric energy and the heat energy generated under the working state of the digital video conversion box and the principles of expansion with heat and contraction with cold, electromagnetic effect and the like without reducing the heat dissipation effect of the digital video conversion box.
Claims (4)
1. The utility model provides a dustproof transform box of electronic product, includes digital video transform box body, and digital video transform box body is equipped with circuit switch and louvre, its characterized in that: the dustproof device is arranged at the position of the heat dissipation hole and at least comprises three splicing pads, the upper surfaces of two adjacent splicing pads are connected through an elastic rope, the lower bottom surfaces of the splicing pads are provided with electromagnets, the outer side surface of the bottom of each splicing pad is provided with a thermal expansion block group, each thermal expansion block group comprises two thermal expansion blocks, each electromagnet is connected with a circuit switch circuit of the digital video conversion box through an electric lead, and each thermal expansion block is positioned at the position of the heat dissipation hole of the digital video conversion box; the digital video conversion box body is embedded with a magnet block.
2. The electronic product dustproof conversion box of claim 1, characterized in that: the splicing pads are rubber pads.
3. The electronic product dustproof conversion box of claim 2, characterized in that: the rubber pad is a waterproof rubber pad.
4. The electronic product dustproof conversion box of claim 3, characterized in that: the elastic rope is a rubber rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810167483.2A CN108259952B (en) | 2018-02-28 | 2018-02-28 | Dustproof transform box of electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810167483.2A CN108259952B (en) | 2018-02-28 | 2018-02-28 | Dustproof transform box of electronic product |
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| Publication Number | Publication Date |
|---|---|
| CN108259952A CN108259952A (en) | 2018-07-06 |
| CN108259952B true CN108259952B (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810167483.2A Active CN108259952B (en) | 2018-02-28 | 2018-02-28 | Dustproof transform box of electronic product |
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| Country | Link |
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| CN (1) | CN108259952B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7995341B2 (en) * | 2009-12-25 | 2011-08-09 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Electronic device with heat dissipating mechanism |
| CN205305264U (en) * | 2015-12-18 | 2016-06-08 | 杭州亚鹏科技有限公司 | Transport information guide cards |
| CN106114170A (en) * | 2016-05-03 | 2016-11-16 | 钟志强 | A kind of light and can auto Deformation heat radiation vehicle cover |
| CN206490657U (en) * | 2017-02-27 | 2017-09-12 | 苏州宝迈通讯科技有限公司 | Dust-protection type filter housing |
| CN107394640A (en) * | 2017-09-15 | 2017-11-24 | 宁波博恩电气有限公司 | The radiating adjusting method of distribution box |
| CN107579446A (en) * | 2017-09-15 | 2018-01-12 | 宁波博恩电气有限公司 | Can automatic heat radiation distribution box |
-
2018
- 2018-02-28 CN CN201810167483.2A patent/CN108259952B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7995341B2 (en) * | 2009-12-25 | 2011-08-09 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Electronic device with heat dissipating mechanism |
| CN205305264U (en) * | 2015-12-18 | 2016-06-08 | 杭州亚鹏科技有限公司 | Transport information guide cards |
| CN106114170A (en) * | 2016-05-03 | 2016-11-16 | 钟志强 | A kind of light and can auto Deformation heat radiation vehicle cover |
| CN206490657U (en) * | 2017-02-27 | 2017-09-12 | 苏州宝迈通讯科技有限公司 | Dust-protection type filter housing |
| CN107394640A (en) * | 2017-09-15 | 2017-11-24 | 宁波博恩电气有限公司 | The radiating adjusting method of distribution box |
| CN107579446A (en) * | 2017-09-15 | 2018-01-12 | 宁波博恩电气有限公司 | Can automatic heat radiation distribution box |
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| Publication number | Publication date |
|---|---|
| CN108259952A (en) | 2018-07-06 |
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Effective date of registration: 20200716 Address after: 1-1 (2nd floor), building 57, No. 2, Taoyuan Xisi Road, Changshou District, Chongqing 400000 Applicant after: Chongqing Shuguang Installation Engineering Co., Ltd Address before: 401220 Jinshan Branch, No. 3, Changshou District, Chongqing, 1-5 Applicant before: CHONGQING CHANGSHOU NIWOTA PUYI COMMERCE AND TRADE Co.,Ltd. |
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Effective date of registration: 20211130 Address after: 276800 room 108, second floor, building A5, cultural and Creative Industry Park, No. 217 Xueyuan Road, high tech Zone, Rizhao City, Shandong Province Patentee after: Shandong best information technology Co.,Ltd. Address before: 400000 1-1 (second floor), building 57, No. 2, Taoyuan West Fourth Road, Changshou District, Chongqing Patentee before: Chongqing Shuguang Installation Engineering Co., Ltd |