CN112019899A - Bidirectional digital set top box with automatic regular dust removal structure - Google Patents
Bidirectional digital set top box with automatic regular dust removal structure Download PDFInfo
- Publication number
- CN112019899A CN112019899A CN202010889348.6A CN202010889348A CN112019899A CN 112019899 A CN112019899 A CN 112019899A CN 202010889348 A CN202010889348 A CN 202010889348A CN 112019899 A CN112019899 A CN 112019899A
- Authority
- CN
- China
- Prior art keywords
- top box
- fixedly connected
- dust
- dust removal
- box body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a bidirectional digital set top box with an automatic periodic dust removal structure, which comprises a DEH instruction module, wherein one side of the DEH instruction module is unidirectionally and electrically connected with a servo board, one side of the servo board is connected with a power amplifier board, one side of the power amplifier board is unidirectionally and electrically connected with a servo valve, one side of the servo valve is connected with an oil-operated machine, the other side of the oil-operated machine is connected with a feedback board, the feedback board is unidirectionally and electrically connected with the power amplifier board and the servo board, one side of the feedback board is provided with a wire pressing mechanism, and the top end of the oil-operated machine is provided with a monitoring. According to the dust removal device, under the action of the dust removal mechanism, the electric telescopic rod can be controlled to work through the timing switch, so that the brush is driven to scrape and rub on the surface of the first dust screen back and forth in a timing mode and is cleaned, the brush can be extruded to be tightly attached to the first dust screen through the preset first return spring, the dust removal effect is improved, and the phenomenon that the device cannot normally dissipate heat due to the blockage of dust is avoided.
Description
Technical Field
The invention relates to the technical field of digital set-top box equipment, in particular to a bidirectional digital set-top box with a structure capable of automatically and periodically removing dust.
Background
The set-top box is a box on the top of a television and is a household appliance for expanding the functions of the television, the set-top box is divided into an analog set-top box and a digital set-top box according to the types of received signals, the analog set-top box receives analog signals, the digital set-top box receives digital signals and completes operation through an internal integrated chip, and a heat dissipation net is usually arranged at the top end of the device and dissipates heat of internal components.
The existing bidirectional digital set-top box does not have the function of automatically cleaning a heat dissipation net in the using process, so that the heat dissipation net is used for a long time to accumulate dust, the blockage is caused, the heat dissipation effect is reduced, and the device does not have the function of being convenient to detach and maintain.
Disclosure of Invention
The invention aims to solve the defects that the existing bidirectional digital set-top box does not have the function of automatically cleaning a radiating net, so that the radiating net is blocked due to dust accumulation after long-term use, the radiating effect is reduced, and the device does not have the function of convenient disassembly and maintenance, and provides the bidirectional digital set-top box with the automatic periodic dust removal structure.
In order to achieve the purpose, the invention adopts the following technical scheme: a bidirectional digital set-top box with an automatic regular dust removal structure comprises a set-top box body, a display screen is embedded and installed on one side of the front end face of the set-top box body, a control button is embedded and installed on the other side of the front end face of the set-top box body, a plurality of through holes are formed in the bottom end of the set-top box body at equal intervals, a through groove is formed in the top end of the set-top box body, a first dust screen is movably connected to the top end of the set-top box body, a timing switch is fixedly connected to the inside of the set-top box body, a dust removal mechanism is installed at the top end of the set-top box body and comprises an L-shaped supporting plate, an electric telescopic rod is fixedly connected to the inside of the L-shaped supporting plate, a mounting plate is, a damp-proof mechanism is installed at the bottom end of the set top box body, and a height adjusting mechanism is installed at the bottom end of the damp-proof mechanism.
As a further description of the above technical solution:
the brush is movably connected with the first dust screen, and the brush and the mounting plate form an elastic telescopic structure through a first return spring.
As a further description of the above technical solution:
electric telescopic handle and first dust screen are the parallel form, and the mounting panel passes through electric telescopic handle and L type layer board constitution extending structure.
As a further description of the above technical solution:
the air guide pipes are connected to the two sides of the set top box body in an embedded mode, the electric fans are connected to the inner portions of the air guide pipes in an embedded mode, and the surfaces of the air guide pipes are fixedly connected with second dust screens.
As a further description of the above technical solution:
the inside backup pad with STB body top both sides fixed connection that includes of disassembly body, and backup pad inner wall swing joint has the connecting plate, connecting plate and first dust screen top fixed connection, and the inside activity of connecting plate has cup jointed T type bolt, and T type bolt cup joints with the backup pad activity, and fixedly connected with second reset spring between T type bolt and the connecting plate.
As a further description of the above technical solution:
t type bolt passes through second reset spring and constitutes elastic stretching structure with the connecting plate, and first dust screen passes through connecting plate, T type bolt and backup pad constitution detachable construction.
As a further description of the above technical solution:
the inside base with STB body bottom fixed connection that is included of dampproofing mechanism, and the base is connected with the through-hole, base one side both ends fixedly connected with spout, and the inside cup joint of spout is inserted and is equipped with the slider, slider opposite side fixedly connected with baffle, and baffle one side welded connection has the handle.
As a further description of the above technical solution:
the baffle is movably connected with the base, and the baffle forms a sliding structure with the sliding groove through the sliding block.
As a further description of the above technical solution:
the height adjusting mechanism is internally provided with four sleeves fixedly connected with the bottom end of the base, the inner parts of the sleeves are in threaded connection with threaded rods, and the bottom ends of the threaded rods are fixedly connected with backing plates.
As a further description of the above technical solution:
the backing plate passes through the threaded rod and constitutes elevation structure with the sleeve, and the sleeve is the symmetry about the base axis.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the dust removal device, under the action of the dust removal mechanism, the electric telescopic rod can be controlled to work through the timing switch, so that the brush is driven to scrape and rub on the surface of the first dust screen back and forth in a timing mode and is cleaned, the brush can be extruded to be tightly attached to the first dust screen through the preset first return spring, the dust removal effect is improved, and the phenomenon that the device cannot normally dissipate heat due to the blockage of dust is avoided.
2. According to the invention, under the action of the dismounting mechanism, the T-shaped bolt is pulled to be drawn out from the supporting plate, the connecting plate is loosened, one side of the first dust screen is pulled to be convenient to dismount, the through groove at the top end of the set top box body is exposed, and a worker can conveniently overhaul the inside of the device through the through groove at a later stage.
3. According to the invention, under the action of the moisture-proof mechanism, the drying agent can be placed in the base, and through the plurality of through holes, the drying agent can adsorb moisture in the set top box body, so that the moisture is prevented from damaging components in the set top box body.
4. According to the invention, under the action of the height adjusting mechanism, the threaded rod can be driven to stretch and move in the sleeve by rotating the base plates, the distance between the four base plates and the base is adjusted, the purpose of adjusting the height of the device is achieved, and the device can be placed horizontally in an uneven position.
5. In the invention, the electric fans on the two sides of the device can discharge air in the device, and when the first dust screen performs dust removal operation, dust falling into the device is discharged from the air guide pipe through the air together, so that the dust is prevented from being accumulated on the surfaces of components.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic structural view of a dust removing mechanism part in the present invention;
FIG. 4 is a schematic structural view of the detaching mechanism of the present invention;
fig. 5 is a side view of the moisture-proof mechanism of the present invention.
Illustration of the drawings:
1. a set-top box body; 2. a display screen; 3. a control button; 4. an air duct; 5. an electric fan; 6. a second dust screen; 7. a through hole; 8. a through groove; 9. a first dust screen; 10. a timing switch; 11. a dust removal mechanism; 1101. an L-shaped supporting plate; 1102. an electric telescopic rod; 1103. mounting a plate; 1104. a first return spring; 1105. a brush; 12. a disassembly mechanism; 1201. a support plate; 1202. a connecting plate; 1203. a T-shaped bolt; 1204. a second return spring; 13. a moisture-proof mechanism; 1301. a base; 1302. a chute; 1303. a slider; 1304. a baffle plate; 1305. a handle; 14. a height adjustment mechanism; 1401. a sleeve; 1402. a threaded rod; 1403. a backing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a bidirectional digital set-top box with an automatic periodic dust removing structure comprises a set-top box body 1, a display screen 2 is embedded and installed on one side of the front end face of the set-top box body 1, a control button 3 is embedded and installed on the other side of the front end face of the set-top box body 1, a plurality of through holes 7 are equidistantly formed in the bottom end of the set-top box body 1, a through groove 8 is formed in the top end of the set-top box body 1, a first dust screen 9 is movably connected to the top end of the set-top box body 1, a timing switch 10 is fixedly connected to the inside of the set-top box body 1, a dust removing mechanism 11 is installed on the top end of the set-top box body 1, an L-shaped supporting plate 1101 is arranged inside the dust removing mechanism 11, an electric telescopic rod 1102 is fixedly connected to the, install detaching mechanism 12 between first dust screen 9 and the STB body 1, dampproofing mechanism 13 is installed to STB body 1 bottom, and height adjustment mechanism 14 is installed to dampproofing mechanism 13 bottom, brush 1105 and first dust screen 9 swing joint, and brush 1105 constitutes the elastic telescopic structure through first reset spring 1104 and mounting panel 1103, electric telescopic handle 1102 is parallel with first dust screen 9, and mounting panel 1103 constitutes the extending structure through electric telescopic handle 1102 and L type layer board 1101, time switch 10 is based on the time variation, make the circuit open a way in certain period, the electric current interrupt or make its electronic component that flows other circuits, be connected with electric telescopic handle 1102, the work of electric telescopic handle 1102 can be controlled, can drive brush 1105 and rub back and forth on the surface of first dust screen 9 through electric telescopic handle 1102, clean it.
Further, the gomphosis of 1 both sides of STB body is connected with air duct 4, and the inside gomphosis of air duct 4 is connected with electronic fan 5 to 4 fixed surface of air duct are connected with second dust screen 6, and electronic fan 5 has external power supply through the connecting wire connection, can discharge in the dust follow air duct 4 that will fall into 1 inside of STB body when the operation of removing dust.
Further, the inside backup pad 1201 including with 1 top both sides fixed connection of set-top box body of disassembly body 12, and backup pad 1201 inner wall swing joint has connecting plate 1202, connecting plate 1202 and first dust screen 9 top fixed connection, and the inside activity of connecting plate 1202 has cup jointed T type bolt 1203, T type bolt 1203 and backup pad 1201 activity are cup jointed, and fixedly connected with second reset spring 1204 between T type bolt 1203 and the connecting plate 1202, T type bolt 1203 constitutes elastic expansion structure through second reset spring 1204 and connecting plate 1202, first dust screen 9 passes through the connecting plate 1202, T type bolt 1203 constitutes detachable construction with backup pad 1201, manual pulling T type bolt 1203, T type bolt 1203 one end is taken out in backup pad 1201, the dismantlement and the installation of first dust screen 9 of can being convenient for.
Further, the damp-proof mechanism 13 is internally provided with a base 1301 fixedly connected with the bottom end of the set top box body 1, the base 1301 is connected with the through hole 7, two ends of one side of the base 1301 are fixedly connected with a sliding groove 1302, a sliding block 1303 is sleeved and inserted inside the sliding groove 1302, the other side of the sliding block 1303 is fixedly connected with a baffle 1304, a handle 1305 is welded on one side of the baffle 1304, the baffle 1304 is movably connected with the base 1301, the baffle 1304 forms a sliding structure with the sliding groove 1302 through the sliding block 1303, a cavity is arranged in the base 1301, a drying agent can be put in, and the drying agent is connected with the interior.
Further, height adjusting mechanism 14 is inside including four sleeves 1401 with base 1301 bottom fixed connection, and the inside threaded connection of sleeve 1401 has a threaded rod 1402, and threaded rod 1402 bottom fixed connection has a backing plate 1403, and backing plate 1403 constitutes elevation structure through threaded rod 1402 and sleeve 1401, and sleeve 1401 is the symmetry about base 1301 axis, rotates backing plate 1403, and backing plate 1403 drives threaded rod 1402 and telescopically moves in sleeve 1401, adjusts the interval of four backing plates 1403 and base 1301.
The working principle of the invention is as follows:
firstly, the device is placed at a designated position, the backing plates 1403 are manually rotated, the backing plates 1403 drive the threaded rods 1402 to move in the sleeves 1401 in a telescopic mode, the distance between the four backing plates 1403 and the base 1301 is adjusted, after the distance is adjusted to a proper position, the handles 1305 are manually pulled, the handles 1305 drive the baffle 1304 to slide in the sliding grooves 1302 through the sliding blocks 1303, the opening ends of the base 1301 are exposed, drying agents are placed into the base 1301, otherwise, the baffle 1304 can be blocked at the opening ends of the base 1301, the electric telescopic rods 1102 are controlled to work through a preset program in the timing switch 10, the electric telescopic rods 1102 drive the mounting plates 1103 to move in a telescopic mode, the mounting plates 1103 drive the brushes 1105 to scrape and rub the surface of the first dustproof net 9 back and forth, the brushes 1105 are extruded to be tightly attached to the first dustproof net 9 downwards through the preset first return spring 1104, the dedusting effect is improved, when workers need to, the working principle of the invention is completed by manually pulling the T-shaped bolt 1203, pulling the second return spring 1204 by the T-shaped bolt 1203, pulling one end of the T-shaped bolt 1203 out of the supporting plate 1201, and then manually pulling the connecting plate 1202, and the connecting plate 1202 drives the first dust screen 9 out of the supporting plate 1201 to expose the through groove 8 at the top end of the set top box body 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A bidirectional digital set-top box with an automatic regular dust removal structure comprises a set-top box body (1) and is characterized in that a display screen (2) is installed on one side of the front end face of the set-top box body (1) in a embedded mode, a control button (3) is installed on the other side of the front end face of the set-top box body (1) in a embedded mode, a plurality of through holes (7) are formed in the bottom end of the set-top box body (1) at equal intervals, a through groove (8) is formed in the top end of the set-top box body (1), a first dust screen (9) is movably connected to the top end of the set-top box body (1), a timing switch (10) is fixedly connected inside the set-top box body (1), a dust removal mechanism (11) is installed on the top end of the set-top box body (1), an, and electric telescopic handle (1102) output end fixedly connected with mounting panel (1103), mounting panel (1103) bottom fixedly connected with first reset spring (1104), and first reset spring (1104) bottom fixedly connected with brush (1105), install disassembly body (12) between first dust screen (9) and STB body (1), dampproofing mechanism (13) is installed to STB body (1) bottom, and height adjusting mechanism (14) are installed to dampproofing mechanism (13) bottom.
2. The set-top box with the automatic periodic dust removal structure of claim 1, wherein the brush (1105) is movably connected to the first dust screen (9), and the brush (1105) forms an elastic expansion structure with the mounting plate (1103) through the first return spring (1104).
3. The set-top box with the automatic and regular dust removal structure as claimed in claim 1, wherein the electric telescopic rod (1102) is parallel to the first dust screen (9), and the mounting plate (1103) forms a telescopic structure with the L-shaped supporting plate (1101) through the electric telescopic rod (1102).
4. The bidirectional digital set top box with the automatic periodic dust removal structure according to claim 1, wherein the set top box body (1) is connected with air ducts (4) at two sides in an embedded manner, the electric fan (5) is connected in the air ducts (4) in an embedded manner, and the surface of the air ducts (4) is fixedly connected with a second dust screen (6).
5. The bidirectional digital set top box with the automatic periodic dust removal structure according to claim 1, wherein the dismounting mechanism (12) comprises a support plate (1201) fixedly connected with two sides of the top end of the set top box body (1) inside, a connecting plate (1202) is movably connected with the inner wall of the support plate (1201), the connecting plate (1202) is fixedly connected with the top end of the first dust screen (9), a T-shaped bolt (1203) is movably sleeved inside the connecting plate (1202), the T-shaped bolt (1203) is movably sleeved with the support plate (1201), and a second return spring (1204) is fixedly connected between the T-shaped bolt (1203) and the connecting plate (1202).
6. The set-top box with the automatic dust-removing structure is characterized in that the T-shaped bolt (1203) forms an elastic telescopic structure with the connecting plate (1202) through the second return spring (1204), and the first dust screen (9) forms a detachable structure with the supporting plate (1201) through the connecting plate (1202) and the T-shaped bolt (1203).
7. The bidirectional digital set top box with the automatic periodic dust removal structure according to claim 1, wherein the damp-proof mechanism (13) comprises a base (1301) fixedly connected with the bottom end of the set top box body (1) inside, the base (1301) is connected with the through hole (7), two ends of one side of the base (1301) are fixedly connected with a sliding groove (1302), a sliding block (1303) is inserted into the sliding groove (1302) in a sleeved mode, the other side of the sliding block (1303) is fixedly connected with a baffle (1304), and a handle (1305) is welded to one side of the baffle (1304).
8. The bidirectional digital set top box with the automatic periodic dust removal structure according to claim 7, wherein the baffle (1304) is movably connected with the base (1301), and the baffle (1304) forms a sliding structure with the sliding groove (1302) through the sliding block (1303).
9. The bidirectional digital set top box with the automatic periodic dust removing structure according to claim 1, wherein the height adjusting mechanism (14) comprises four sleeves (1401) fixedly connected with the bottom end of the base (1301) inside, a threaded rod (1402) is connected with the sleeves (1401) inside in a threaded manner, and a backing plate (1403) is fixedly connected with the bottom end of the threaded rod (1402).
10. The set-top box with the automatic dust-removing structure is characterized in that the backing plate (1403) and the sleeve (1401) form a lifting structure through the threaded rod (1402), and the sleeve (1401) is symmetrical about the central axis of the base (1301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010889348.6A CN112019899A (en) | 2020-08-28 | 2020-08-28 | Bidirectional digital set top box with automatic regular dust removal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010889348.6A CN112019899A (en) | 2020-08-28 | 2020-08-28 | Bidirectional digital set top box with automatic regular dust removal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112019899A true CN112019899A (en) | 2020-12-01 |
Family
ID=73503890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010889348.6A Pending CN112019899A (en) | 2020-08-28 | 2020-08-28 | Bidirectional digital set top box with automatic regular dust removal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112019899A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112804571A (en) * | 2020-12-31 | 2021-05-14 | 深圳市锐锐科电子有限公司 | Digital set-top box with dual controllable double televisions |
| CN113179436A (en) * | 2021-04-27 | 2021-07-27 | 湖南省驰维智能科技有限公司 | Intelligent set top box with network camera |
| CN113949913A (en) * | 2021-11-05 | 2022-01-18 | 郭雨 | Digital television broadcasting set-top box |
| CN116405718A (en) * | 2023-04-07 | 2023-07-07 | 深圳市基胜电子有限公司 | DTMB high-definition digital satellite set top box with WIFI function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007142718A (en) * | 2005-11-17 | 2007-06-07 | Hitachi Kokusai Electric Inc | Television transmitter |
| CN206149430U (en) * | 2016-11-03 | 2017-05-03 | 南京机电职业技术学院 | Dampproofing radiating network communication STB in area |
| CN209134562U (en) * | 2018-12-18 | 2019-07-19 | 深圳市大梦圆科技有限公司 | A kind of set-top box convenient for orientation adjustment |
| CN209676366U (en) * | 2019-06-20 | 2019-11-22 | 青岛瑞星直播电子科技有限公司 | A kind of direct broadcast satellite digital television receiver with built-in loudspeaker and the aperture apparatus that amplifies |
| CN210270736U (en) * | 2019-09-18 | 2020-04-07 | 宁波市健步科技有限公司 | Computer host that dustproof performance is good |
-
2020
- 2020-08-28 CN CN202010889348.6A patent/CN112019899A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007142718A (en) * | 2005-11-17 | 2007-06-07 | Hitachi Kokusai Electric Inc | Television transmitter |
| CN206149430U (en) * | 2016-11-03 | 2017-05-03 | 南京机电职业技术学院 | Dampproofing radiating network communication STB in area |
| CN209134562U (en) * | 2018-12-18 | 2019-07-19 | 深圳市大梦圆科技有限公司 | A kind of set-top box convenient for orientation adjustment |
| CN209676366U (en) * | 2019-06-20 | 2019-11-22 | 青岛瑞星直播电子科技有限公司 | A kind of direct broadcast satellite digital television receiver with built-in loudspeaker and the aperture apparatus that amplifies |
| CN210270736U (en) * | 2019-09-18 | 2020-04-07 | 宁波市健步科技有限公司 | Computer host that dustproof performance is good |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112804571A (en) * | 2020-12-31 | 2021-05-14 | 深圳市锐锐科电子有限公司 | Digital set-top box with dual controllable double televisions |
| CN113179436A (en) * | 2021-04-27 | 2021-07-27 | 湖南省驰维智能科技有限公司 | Intelligent set top box with network camera |
| CN113949913A (en) * | 2021-11-05 | 2022-01-18 | 郭雨 | Digital television broadcasting set-top box |
| CN116405718A (en) * | 2023-04-07 | 2023-07-07 | 深圳市基胜电子有限公司 | DTMB high-definition digital satellite set top box with WIFI function |
| CN116405718B (en) * | 2023-04-07 | 2024-02-23 | 深圳市基胜电子有限公司 | DTMB high-definition digital satellite set top box with WIFI function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112019899A (en) | Bidirectional digital set top box with automatic regular dust removal structure | |
| CN110707566A (en) | Electrical control cabinet | |
| CN210722621U (en) | Dustproof box-type transformer | |
| CN112286318B (en) | Dust removal device for automatically removing dust in computer case | |
| CN108760812A (en) | A kind of projecting apparatus Air Filter blockage detector | |
| CN108832760B (en) | Fine-tuning damping equipment for brushless direct-current motor | |
| CN208586391U (en) | A kind of dust exhaust apparatus of weaving loom | |
| CN213043938U (en) | PLC switch board that possesses dust clearance function | |
| CN203068720U (en) | Ventilation device in communication base station | |
| CN219268931U (en) | Monitoring device for weak current security engineering | |
| CN117032403A (en) | Dustproof case of computer | |
| CN212114392U (en) | Combined power distribution cabinet convenient for heat dissipation | |
| CN205887560U (en) | From dust removal computer | |
| CN210350439U (en) | Wire outlet cabinet with dustproof function | |
| CN211590758U (en) | Electric control equipment for static pressure saw | |
| CN111528728B (en) | Sliding suction nozzle device | |
| CN220269637U (en) | Central air conditioning decorative board mounting bracket | |
| CN210323726U (en) | Remote supervision system for construction site | |
| CN113675735B (en) | Distribution box for machine room | |
| CN218853765U (en) | Computer heat dissipation case capable of automatically cleaning filter screen | |
| CN211831686U (en) | Long control box capable of effectively dissipating heat and protecting | |
| CN219086504U (en) | Dust type block terminal | |
| CN220397823U (en) | Air supply device for assembled movable floor | |
| CN219067524U (en) | Heat dissipation and dust removal mechanism of switch cabinet | |
| CN219591982U (en) | High-voltage compensation control cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201201 |