CN107071538B - Digital set-top box based on Internet of things - Google Patents
Digital set-top box based on Internet of things Download PDFInfo
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- CN107071538B CN107071538B CN201710311054.3A CN201710311054A CN107071538B CN 107071538 B CN107071538 B CN 107071538B CN 201710311054 A CN201710311054 A CN 201710311054A CN 107071538 B CN107071538 B CN 107071538B
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- 238000001816 cooling Methods 0.000 claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000017525 heat dissipation Effects 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims abstract description 11
- 210000003437 trachea Anatomy 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000013519 translation Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000006855 networking Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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
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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
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Toys (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a digital set top box based on the Internet of things, which comprises a main body, a top plate arranged above the main body and cooling units arranged at two sides of the main body, wherein each cooling unit comprises a cooling box and a first air pipe, the top of the main body is provided with four lifting units and a plurality of heat dissipation holes, each lifting unit comprises a notch, a first driving motor, a driving wheel, a lifting frame and a support rod, an exhaust mechanism is arranged in the main body and comprises a driving unit and an exhaust unit, each exhaust unit comprises an air pump, a spray head, a third air pipe and two second air pipes, the top plate is moved upwards through the lifting units of the digital set top box based on the Internet of things, hot air in the main body is conveniently exhausted from the heat dissipation holes, the cooling and heat dissipation effects are realized, the exhaust units are driven to move by the driving units, the hot air in the main body is exhausted by the exhaust, thereby realize rapid cooling, guarantee that each components and parts work in suitable temperature environment.
Description
Technical Field
The invention relates to the field of communication equipment, in particular to a digital set top box based on the Internet of things.
Background
A digital Set-Top Box, also called a Set Top Box (STB for short) or Set-Top Box, is a device that connects a television Set with an external signal source. It can convert the compressed digital signal into television content and display it on the television. The signals may come from cable, satellite dish, broadband network and terrestrial broadcast. The set-top box receives contents, including an electronic program guide, an internet web page, subtitles, and the like, in addition to images and sounds that can be provided by an analog television. Enabling users to watch digital television programs on existing television sets and to conduct interactive digital entertainment, education, and commercialization activities over a network. The set-top box can be classified into a digital satellite set-top box (DVB-S), a european standard digital terrestrial set-top box (DVB-T), a national standard digital terrestrial set-top box (DMB-TH), and a cable television digital set-top box (DVB-C) according to standards.
With the development and popularization of communication technology, digital set-top boxes are applied to thousands of households, and a plurality of through holes are usually formed in the top of the set-top box when the existing digital set-top box is in operation in order to ensure that the internal circuit unit works in a proper temperature environment, so that hot air in the set-top box can be conveniently dissipated to achieve the cooling effect. However, in the actual use process, some sundries such as routers, newspapers and periodicals, impurities and the like are usually placed on the digital set-top box, and these sundries will prevent hot air inside the set-top box from being discharged from the through holes, so that the temperature of the air inside the set-top box is gradually raised, and the cooling and heat dissipation effects cannot be achieved, so that losses can be caused to components inside the equipment, even if no sundries are placed above the set-top box, the existing set-top box is only cooled in a mode of automatically discharging the hot air, the cooling mode is poor in cooling efficiency, so that the cooling time is long, the components inside the equipment can still work in a high-temperature environment for a long time, and obviously, the low-efficiency cooling and heat dissipation mode is not beneficial to.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the digital set top box based on the Internet of things is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a digital set top box based on the Internet of things comprises a main body, a top plate arranged above the main body, cooling units arranged on two sides of the main body and a plurality of supporting units arranged below the main body, wherein a switch, a display screen and a plurality of control keys are arranged on the front side of the main body, and an interface mechanism is arranged on the back side of the main body;
the cooling unit comprises a cooling box and a first air pipe, the cooling box is fixed on the main body, the first air pipe is communicated with the main body through the cooling box, and an aqueous solution is arranged in the cooling box;
the top of the main body is provided with four lifting units and a plurality of heat dissipation holes, the four lifting units are distributed at four corners of the top of the main body and are in transmission connection with the top plate, each lifting unit comprises a notch, a first driving motor, a driving wheel, a lifting frame and a support rod, the notches are arranged on the main body, the first driving motors, the driving wheels, the lifting frames and the support rods are all arranged in the notches, the vertical cross section of each lifting frame is U-shaped and is provided with a downward opening, the bottom ends of the support rods are fixed on the lifting frames, the top ends of the support rods are fixed below the top plate, a plurality of driven teeth are uniformly arranged on the inner walls of two sides of each lifting frame, the first driving motors and the driving wheels are arranged in the lifting frames, the first driving motors are in transmission connection with the driving wheels, a plurality of driving teeth are arranged on the periphery of the driving wheels, and are, the driving teeth on the driving wheel are meshed with the driven teeth in the lifting frame;
be equipped with exhaust mechanism in the main part, exhaust mechanism includes drive unit and exhaust unit, drive unit is connected with the exhaust unit transmission, exhaust unit includes air pump, shower nozzle, third trachea and two second tracheas, the equal and one-to-one of quantity of second tracheal quantity and cooling unit, two the second trachea sets up the both sides at the air pump respectively, the air pump passes through second trachea and first trachea intercommunication, the shower nozzle sets up in the below of air pump and through third trachea and air pump intercommunication.
Preferably, in order to drive the spray head to move and achieve the purpose of hot air flowing through the main body, the driving unit comprises a translation unit and a direction adjusting unit, the translation unit comprises a second driving motor, a buffer block, a second driving shaft and a moving block, the second driving motor is fixed on the inner wall of one side of the main body, the buffer block is fixed on the inner wall of the other side of the main body, the second driving shaft is arranged between the second driving motor and the buffer block, the second driving motor is in transmission connection with the second driving shaft, the moving block is sleeved on the second driving shaft, the air pump is fixed above the moving block, first external threads are arranged on the periphery of the second driving shaft, first internal threads are arranged in the moving block, and the first internal threads in the moving block are matched with the first external threads on the second driving shaft.
Preferably, in order to enlarge the range of the cold air sprayed by the spray head, the direction adjusting unit comprises a third driving motor and a third driving shaft, the third driving motor is fixed below the moving block and is in transmission connection with the third driving shaft, and the spray head is fixed on the third driving shaft.
Preferably, in order to flexibly adjust the height of the supporting unit, the supporting unit comprises a supporting shaft, a supporting sleeve and a supporting block, the top end of the supporting shaft is fixed on the main body, the bottom end of the supporting shaft is arranged in the supporting sleeve, the supporting block is fixed at the bottom end of the supporting sleeve, a second external thread is arranged on the periphery of the supporting shaft, a second internal thread is arranged in the supporting sleeve, and the second internal thread in the supporting sleeve is matched with the second external thread on the supporting shaft.
Preferably, the rubber block has elasticity and a rough surface, and the supporting block is the rubber block in order to fix the main body and enable the supporting unit to have a certain buffering effect.
Preferably, in order to facilitate various signal accesses, the interface mechanism includes an HDMI interface, a USB interface, a plurality of audio interfaces, a plurality of video interfaces, and a plurality of ethernet interfaces.
Preferably, in order to guarantee the data transmission rate of the USB interface, the model of the USB interface is USB 3.0.
Preferably, in order to ensure that the lifting frame stably ascends and descends, the lifting unit further comprises two limiting units, the two limiting units are respectively arranged on two sides of the lifting frame, each limiting unit comprises a fixed frame, a sliding ring and a side rod, the vertical section of each fixed frame is U-shaped, the brightness of each fixed frame is fixed on the lifting frame, and the sliding rings are sleeved on the fixed frames and are fixedly connected with the inner walls of the notches through the side rods.
Preferably, the first air pipe is formed in an S shape so as to increase the length thereof and sufficiently cool the outside air in the cooling box.
Preferably, the first driving motor is a dc servo motor in order to ensure the driving force of the first driving motor by utilizing the characteristic of strong driving force of the dc servo motor.
This digital set-top box is when moving, in order to guarantee that the inside hot-air of main part can be discharged from the louvre at top, utilize the lifting unit at main part top to increase the height of roof, make external environment can pass through louvre and the inside intercommunication of main part, in the lifting unit, first driving motor drives the drive wheel and rotates, because the drive tooth on the drive wheel meshes with the inboard driven tooth of lifting frame, thereby make lifting frame rebound, make roof rebound through branch, thereby make things convenient for the inside hot-air of main part to discharge from the louvre, realize the cooling radiating effect. This digital set-top box based on thing networking makes the roof upwards remove through the lift unit, makes things convenient for the inside hot-air of main part to discharge from the louvre, realizes cooling radiating effect.
In order to improve cooling radiating efficiency, through the inside exhaust mechanism acceleration hot-air' S of main part discharge, the outside air at first gets into first trachea, first trachea adopts the design of S shape, makes it when through the cooling box, and the water solution can fully cool down the cooling to the air in the first trachea in the cooling box, and then in the steam dog that exhausts, the air pump passes through the air that the second trachea inhaled in the first trachea to make cold air from the shower nozzle blowout through the third trachea. Inside exhaust mechanism, still adjust the shower nozzle position through drive unit, make it can carry out the exhaust air to various in the main part, in drive unit, drive the second drive shaft by second driving motor, make the movable block move on second drive shaft direction, drive the shower nozzle rotation by transferring to the third driving motor in the unit through the third drive shaft simultaneously, make the shower nozzle spout cold air towards all directions, through spouting cold air, inside the hot-air discharge with cold air filling main part with higher speed simultaneously, thereby realize rapid cooling, guarantee that each components and parts work in suitable temperature environment. This digital set-top box based on thing networking passes through drive unit and drives the exhaust unit and remove to by the inside hot-air of exhaust unit exhaust main part, inside with cold air filling main part, thereby realize rapid cooling, guarantee that each components and parts work in suitable temperature environment.
The digital set top box based on the Internet of things has the advantages that the top plate moves upwards through the lifting unit, hot air in the main body is conveniently discharged from the heat dissipation holes, the cooling and heat dissipation effects are achieved, the driving unit drives the exhaust unit to move, the hot air in the main body is discharged through the exhaust unit, and cold air is filled in the main body, so that rapid cooling is achieved, and all components are guaranteed to work in a proper temperature environment.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of a digital set-top box based on the internet of things of the invention;
FIG. 2 is a rear view of the Internet of things based digital set top box of the present invention;
fig. 3 is a top view of the main body of the internet of things based digital set top box of the present invention;
fig. 4 is a schematic structural diagram of a lifting unit of the internet of things-based digital set top box of the present invention;
FIG. 5 is a schematic structural diagram of a cooling unit of the digital set-top box based on the Internet of things according to the invention;
FIG. 6 is a schematic structural diagram of an exhaust mechanism of the Internet of things-based digital set top box of the present invention;
fig. 7 is a schematic structural diagram of an exhaust unit of the internet of things-based digital set top box of the present invention;
fig. 8 is a schematic structural diagram of a supporting unit of the internet of things-based digital set top box of the present invention;
in the figure: 1. the portable temperature-reducing device comprises a main body, a supporting unit, a switch, a display screen, a control key, a top plate, a temperature-reducing unit, a HDMI (high definition multimedia interface) 9, a USB (universal serial bus) interface 10, an audio interface 11, a video interface 12, an Ethernet interface 13, a heat-radiating hole 14, a lifting unit 15, a lifting unit 16, a notch 17, a first driving motor 18, a driving wheel 19, a driving tooth 20, a lifting frame 21, a driven tooth 22, a supporting rod 23, a fixed frame 24, a sliding ring 25, a side rod 26, a temperature-reducing box 27, a first air pipe 28, a second driving motor 29, a buffer block 30, a second driving shaft 31, a moving block 32, a third driving motor 33, a third driving shaft 34, an exhaust unit 34, a fixing rod 35, a fixing rod 36, an air pump 37, a second air pipe 38, a third air pipe 39, a spray head 40, a supporting shaft 41 and a supporting sleeve, 42. and (7) a supporting block.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-8, a digital set top box based on the internet of things comprises a main body 1, a top plate 6 arranged above the main body 1, cooling units 7 arranged at two sides of the main body 1, and a plurality of supporting units 2 arranged below the main body 1, wherein a switch 3, a display screen 4 and a plurality of control keys 5 are arranged on the front surface of the main body 1, and an interface mechanism is arranged on the back surface of the main body 1;
the cooling unit 7 comprises a cooling box 26 and a first air pipe 27, the cooling box 26 is fixed on the main body 1, the first air pipe 27 is communicated with the main body 1 through the cooling box 26, and a water solution is arranged in the cooling box 26;
the top of the main body 1 is provided with four lifting units 15 and a plurality of heat dissipation holes 14, the four lifting units 15 are distributed at four corners of the top of the main body 1 and are in transmission connection with the top plate 6, each lifting unit 15 comprises a notch 16, a first driving motor 17, a driving wheel 18, a lifting frame 20 and a support rod 22, the notches 16 are arranged on the main body 1, the first driving motors 17, the driving wheels 18, the lifting frame 20 and the support rods 22 are all arranged in the notches 16, the vertical section of the lifting frame 20 is U-shaped and has a downward opening, the bottom end of the support rod 22 is fixed on the lifting frame 20, the top end of the support rod 22 is fixed below the top plate 6, a plurality of driven teeth 21 are uniformly arranged on the inner walls of two sides of the lifting frame 20, the first driving motors 17 and the driving wheels 18 are arranged in the lifting frame 20, and the first driving motors 17 are in transmission connection with the driving wheels, a plurality of driving teeth 19 are arranged on the periphery of the driving wheel 18, the driving teeth 19 are uniformly distributed on the semi-circumferential surface of the driving wheel 18, and the driving teeth 19 on the driving wheel 18 are meshed with driven teeth 21 in the lifting frame 20;
be equipped with exhaust mechanism in the main part 1, exhaust mechanism includes drive unit and exhaust unit, drive unit is connected with the exhaust unit transmission, exhaust unit includes air pump 36, shower nozzle 39, third trachea 38 and two second trachea 37, the quantity of second trachea 37 equals and the one-to-one with cooling unit 7's quantity, two second trachea 37 sets up respectively in the both sides of air pump 36, air pump 36 passes through second trachea 37 and first trachea 27 intercommunication, shower nozzle 39 sets up in the below of air pump 36 and communicates with air pump 36 through third trachea 38.
Preferably, in order to move the spray head 39 and to achieve the purpose of supplying hot air to various positions in the main body 1, the driving unit comprises a translation unit and a direction adjusting unit, the translation unit includes a second driving motor 28, a buffer block 29, a second driving shaft 30 and a moving block 31, the second driving motor 28 is fixed to the inner wall of one side of the main body 1, the buffer block 29 is fixed to the inner wall of the other side of the main body 1, the second driving shaft 30 is arranged between the second driving motor 28 and the buffer block 29, the second driving motor 28 is in transmission connection with the second driving shaft 30, the moving block 29 is sleeved on the second driving shaft 30, the air pump 36 is fixed above the moving block 31, the periphery of the second driving shaft 30 is provided with a first external thread, the moving block 31 is provided with a first internal thread, a first internal thread in the moving block 31 matches with a first external thread on the second drive shaft 30.
Preferably, in order to enlarge the range of the cold air sprayed from the spray head 39, the direction adjusting unit includes a third driving motor 31 and a third driving shaft 33, the third driving motor 31 is fixed below the moving block 31 and is in transmission connection with the third driving shaft 33, and the spray head 39 is fixed on the third driving shaft 33.
Preferably, in order to flexibly adjust the height of the supporting unit 2, the supporting unit 2 includes a supporting shaft 40, a supporting sleeve 41 and a supporting block 42, the top end of the supporting shaft 40 is fixed on the main body 1, the bottom end of the supporting shaft 40 is arranged in the supporting sleeve 41, the supporting block 42 is fixed at the bottom end of the supporting sleeve 41, a second external thread is arranged on the periphery of the supporting shaft 40, a second internal thread is arranged in the supporting sleeve 41, and the second internal thread in the supporting sleeve 41 is matched with the second external thread on the supporting shaft 40.
Preferably, the rubber block 42 has elasticity and rough surface, and the supporting block 42 is a rubber block in order to fix the main body 1 and provide a certain buffer function for the supporting unit 2.
Preferably, in order to facilitate various signal accesses, the interface mechanism includes an HDMI interface 9, a USB interface 10, several audio interfaces 11, several video interfaces 12, and several ethernet interfaces 13.
Preferably, in order to guarantee the data transmission rate of the USB interface, the USB interface 10 has a model number of USB 3.0.
Preferably, in order to ensure that the lifting frame 30 is lifted stably, the lifting unit 15 further includes two limiting units, the two limiting units are respectively disposed on two sides of the lifting frame 30, each limiting unit includes a fixed frame 23, a sliding ring 24 and a side rod 25, a vertical cross-section of the fixed frame 23 is U-shaped, the brightness of the fixed frame 23 is fixed on the lifting frame 30, and the sliding ring 24 is sleeved on the fixed frame 23 and is fixedly connected with the inner wall of the recess 16 through the side rod 25.
Preferably, in order to increase the length of the first air pipe 27, so that the external air can be sufficiently cooled in the cooling box 26, the first air pipe 27 is S-shaped.
Preferably, the first driving motor 17 is a dc servo motor in order to ensure the driving force of the first driving motor 17 by utilizing the characteristic that the driving force of the dc servo motor is strong.
This digital set-top box is when moving, in order to guarantee that the inside hot-air of main part 1 can be discharged from the louvre 14 at top, utilize the lifting unit 15 at main part 1 top to increase the height of roof 6, make external environment can pass through louvre 14 and the inside intercommunication of main part 1, in lifting unit 15, first driving motor 17 drives drive wheel 18 and rotates, because initiative tooth 19 on the drive wheel 18 meshes with the inboard driven tooth 21 of lifting frame 20, thereby make lifting frame 20 upwards move, make roof 6 rebound through branch 22, thereby make things convenient for the inside hot-air of main part 1 to discharge from louvre 14, realize cooling radiating effect. This digital set-top box based on thing networking makes roof 6 rebound through elevating unit 15, makes things convenient for the inside hot-air of main part 1 to discharge from louvre 14, realizes cooling radiating effect.
In order to improve the cooling and heat dissipation efficiency, the exhaust mechanism inside the main body 1 accelerates the exhaust of the hot air, the external air firstly enters the first air pipe 27, the first air pipe 27 adopts the S-shaped design, so that when the air passes through the cooling box 26, the water solution in the cooling box 26 can sufficiently cool the air in the first air pipe 27, then in the exhaust steam dog, the air pump 36 sucks the air in the first air pipe 27 through the second air pipe 37, and the cold air is sprayed out from the spray head 39 through the third air pipe 38. In the exhaust mechanism, the position of the nozzle 39 is also adjusted through the driving unit, so that the nozzle can exhaust various kinds of heat air in the main body 1, in the driving unit, the second driving shaft 30 is driven by the second driving motor 28, the moving block 31 is driven to move in the direction of the second driving shaft 30, meanwhile, the nozzle 39 is driven to rotate through the third driving shaft 33 by the third driving motor 32 in the direction adjusting unit, so that the nozzle 39 sprays cold air in all directions, and the hot air is accelerated to be exhausted and simultaneously the cold air is filled in the main body 1 through spraying the cold air, so that the rapid cooling is realized, and the components can be ensured to work in a proper temperature environment. This digital set-top box based on thing networking passes through drive unit and drives the exhaust unit removal to by the inside hot-air of exhaust unit exhaust main part 1, with inside cold air fills main part 1, thereby realize rapid cooling, guarantee that each components and parts work in suitable temperature environment.
Compared with the prior art, this digital set-top box based on thing networking makes roof 6 rebound through lifting unit 15, makes things convenient for the inside hot-air of main part 1 to discharge from louvre 14, realizes cooling radiating effect, moreover, drives the exhaust unit through drive unit and removes to by the inside hot-air of exhaust unit exhaust main part 1, fill inside main part 1 with cold air, thereby realize rapid cooling, guarantee that each components and parts work in suitable temperature environment.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The digital set top box based on the Internet of things is characterized by comprising a main body (1), a top plate (6) arranged above the main body (1), cooling units (7) arranged on two sides of the main body (1) and a plurality of supporting units (2) arranged below the main body (1), wherein a switch (3), a display screen (4) and a plurality of control keys (5) are arranged on the front side of the main body (1), and an interface mechanism is arranged on the back side of the main body (1);
the cooling unit (7) comprises a cooling box (26) and a first air pipe (27), the cooling box (26) is fixed on the main body (1), the first air pipe (27) is communicated with the main body (1) through the cooling box (26), and a water solution is arranged in the cooling box (26);
the top of the main body (1) is provided with four lifting units (15) and a plurality of heat dissipation holes (14), the four lifting units (15) are distributed at four corners of the top of the main body (1) and are in transmission connection with the top plate (6), each lifting unit (15) comprises a notch (16), a first driving motor (17), a driving wheel (18), a lifting frame (20) and a support rod (22), the notches (16) are arranged on the main body (1), the first driving motor (17), the driving wheel (18), the lifting frame (20) and the support rod (22) are all arranged in the notches (16), the vertical section of the lifting frame (20) is U-shaped and has a downward opening, the bottom end of the support rod (22) is fixed on the lifting frame (20), the top end of the support rod (22) is fixed below the top plate (6), a plurality of driven teeth (21) are uniformly arranged on the inner walls of two sides of the lifting frame (20), the first driving motor (17) and the driving wheel (18) are arranged in the lifting frame (20), the first driving motor (17) is in transmission connection with the driving wheel (18), a plurality of driving teeth (19) are arranged on the periphery of the driving wheel (18), the driving teeth (19) are uniformly distributed on the semi-circumferential surface of the driving wheel (18), and the driving teeth (19) on the driving wheel (18) are meshed with driven teeth (21) in the lifting frame (20);
be equipped with exhaust mechanism in main part (1), exhaust mechanism includes drive unit and exhaust unit, drive unit is connected with the exhaust unit transmission, the exhaust unit includes air pump (36), shower nozzle (39), third trachea (38) and two second trachea (37), the quantity of second trachea (37) is equal and the one-to-one with the quantity of cooling unit (7), two second trachea (37) set up the both sides at air pump (36) respectively, air pump (36) are through second trachea (37) and first trachea (27) intercommunication, shower nozzle (39) set up in the below of air pump (36) and through third trachea (38) and air pump (36) intercommunication.
2. The internet of things-based digital set top box according to claim 1, wherein the driving unit comprises a translation unit and a direction adjusting unit, the translation unit comprises a second driving motor (28), a buffer block (29), a second driving shaft (30) and a moving block (31), the second driving motor (28) is fixed on the inner wall of one side of the main body (1), the buffer block (29) is fixed on the inner wall of the other side of the main body (1), the second driving shaft (30) is arranged between the second driving motor (28) and the buffer block (29), the second driving motor (28) is in transmission connection with the second driving shaft (30), the moving block (29) is sleeved on the second driving shaft (30), the air pump (36) is fixed above the moving block (31), and a first external thread is arranged on the outer periphery of the second driving shaft (30), a first internal thread is arranged in the moving block (31), and the first internal thread in the moving block (31) is matched with a first external thread on the second driving shaft (30).
3. The internet-of-things-based digital set top box according to claim 2, wherein the direction adjusting unit comprises a third driving motor (31) and a third driving shaft (33), the third driving motor (31) is fixed below the moving block (31) and is in transmission connection with the third driving shaft (33), and the spray head (39) is fixed on the third driving shaft (33).
4. The internet-of-things-based digital set top box according to claim 1, wherein the supporting unit (2) comprises a supporting shaft (40), a supporting sleeve (41) and a supporting block (42), the top end of the supporting shaft (40) is fixed on the main body (1), the bottom end of the supporting shaft (40) is arranged in the supporting sleeve (41), the supporting block (42) is fixed at the bottom end of the supporting sleeve (41), a second external thread is arranged on the periphery of the supporting shaft (40), a second internal thread is arranged in the supporting sleeve (41), and the second internal thread in the supporting sleeve (41) is matched with the second external thread on the supporting shaft (40).
5. The internet of things-based digital set top box according to claim 4, wherein the support block (42) is a rubber block.
6. The internet of things-based digital set top box of claim 1, wherein the interface mechanism comprises an HDMI interface (9), a USB interface (10), a number of audio interfaces (11), a number of video interfaces (12), and a number of ethernet interfaces (13).
7. The internet-of-things-based digital set-top box of claim 6, wherein the USB interface (10) is USB3.0 in model.
8. The internet of things-based digital set top box of claim 1, wherein the lifting unit (15) further comprises two limiting units, the two limiting units are respectively arranged at two sides of the lifting frame (30), the limiting units comprise a fixed frame (23), a sliding ring (24) and a side rod (25), the vertical section of the fixed frame (23) is U-shaped, the brightness of the fixed frame (23) is fixed on the lifting frame (30), and the sliding ring (24) is sleeved on the fixed frame (23) and is fixedly connected with the inner wall of the notch (16) through the side rod (25).
9. The internet of things-based digital set top box of claim 1, wherein the first air pipe (27) is S-shaped.
10. The internet of things-based digital set top box according to claim 1, wherein the first driving motor (17) is a dc servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311054.3A CN107071538B (en) | 2017-05-05 | 2017-05-05 | Digital set-top box based on Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311054.3A CN107071538B (en) | 2017-05-05 | 2017-05-05 | Digital set-top box based on Internet of things |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107071538A CN107071538A (en) | 2017-08-18 |
| CN107071538B true CN107071538B (en) | 2019-12-20 |
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| CN110769292B (en) * | 2019-10-30 | 2021-12-28 | 深圳市兆能讯通科技有限公司 | Artificial interaction type intelligent television set top box |
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| CN203363554U (en) * | 2013-07-01 | 2013-12-25 | 昆明华视讯网络科技有限公司 | Set top box support with cooling function |
| CN203661225U (en) * | 2013-12-25 | 2014-06-18 | 深圳市东洲骏科技有限公司 | A set top box convenient for operation and dust prevention |
| WO2015149617A1 (en) * | 2014-03-31 | 2015-10-08 | 深圳市九洲电器有限公司 | Heat-dissipating waterproof structure and set top box thereof |
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| CN205864636U (en) * | 2016-06-06 | 2017-01-04 | 深圳市芯之翼科技有限公司 | A kind of intelligent heat dissipation protection Set Top Box |
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