CN113824964A - Decoder for video monitoring - Google Patents
Decoder for video monitoring Download PDFInfo
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- CN113824964A CN113824964A CN202111260983.9A CN202111260983A CN113824964A CN 113824964 A CN113824964 A CN 113824964A CN 202111260983 A CN202111260983 A CN 202111260983A CN 113824964 A CN113824964 A CN 113824964A
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- China
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- magnetic block
- baffle
- heat dissipation
- rotating shaft
- rope
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/035—Cooling of active equipments, e.g. air ducts
Abstract
The invention discloses a decoder for video monitoring, which comprises a shell, wherein a partition plate is fixedly arranged in the shell, an air inlet is formed in the front wall of the shell, a heat dissipation chamber is arranged on one side of the partition plate and is communicated with the air inlet, a communication hole is formed in the partition plate, the heat dissipation chamber is communicated with an inner cavity of the shell through the communication hole, a motor is fixedly arranged in the heat dissipation chamber, a first rotating shaft is arranged at the output end of the motor in a transmission manner, and a fan blade is fixedly arranged at one end, far away from the motor, of the first rotating shaft; through the effect of penetrating and inhaling in with the gaseous suction heat dissipation cavity of casing inner chamber, discharge in the heat dissipation cavity again to the realization is to the heat dissipation of casing inner chamber electronic component, through magnetism effect drive mechanism, does not need the contact between drive mechanism and the drive mechanism, thereby the noise that produces when reducing the drive, uses quietly more.
Description
Technical Field
The invention relates to the technical field of decoding equipment, in particular to a decoder for video monitoring.
Background
The decoder is a hardware/software device capable of decoding and restoring digital video and audio data stream into analog video and audio signal.
The Chinese invention patent CN112272300A discloses a high-definition video and audio decoder with high-efficiency heat dissipation and dust prevention, and relates to the technical field of video and audio decoders. This audio decoder is looked to high-efficient heat dissipation and dirt-proof high definition, which comprises a housin, the rear end fixed mounting of casing has the plug, the inside left and right sides fixedly connected with baffle of casing, the outside fixed mounting of the inside baffle of casing has the motor, both ends transmission is connected with first pivot around the motor, the peripheral fixed mounting of first pivot has the fan. This audio decoder is looked to high-efficient heat dissipation and dirt-proof high definition utilizes to penetrate the principle of inhaling and comes to extract the inside hot-air of casing to when stopping the heat dissipation, self-closing heat dissipation hole has reduced the entering of dust, guarantees the normal operating of decoder, and the area of passing through of air current carries out the self-interacting according to the speed of fan rotational speed when simultaneously can making the heat dissipation, makes to have pertinence to the casing heat dissipation, has improved radiating efficiency.
This equipment is when using, drives the strip of paper used for sealing in the hole that induced drafts through the mode of feeler lever extrusion arc piece and opens, because the during operation feeler lever is in the rotating-state, the feeler lever can intermittent type striking arc piece to produce more noise.
Therefore, it is necessary to provide a decoder for video surveillance to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a decoder for video monitoring, which solves the problem that the existing decoder for video monitoring drives a seal to move in a collision mode to generate more noise in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a decoder for video monitoring comprises a shell, wherein a partition plate is fixedly mounted in the shell, an air inlet is formed in the front wall of the shell, a heat dissipation chamber is arranged on one side of the partition plate and communicated with the air inlet, a communication hole is formed in the partition plate, the heat dissipation chamber is communicated with an inner cavity of the shell through the communication hole, a motor is fixedly mounted in the heat dissipation chamber, a first rotating shaft is mounted at the output end of the motor in a transmission mode, fan blades are fixedly mounted at one end, far away from the motor, of the first rotating shaft, a driving mechanism is sleeved on the first rotating shaft and comprises a first magnetic block, a first baffle plate used for sealing the communication hole is arranged in the communication hole, a transmission mechanism is fixedly mounted on the side wall of the partition plate and comprises a second magnetic block, and a traction mechanism used for driving the partition plate to move relative to the communication hole is arranged on the partition plate, the second magnetic block is in transmission connection with the traction mechanism, when the first rotating shaft rotates, the first magnetic block moves towards the direction far away from the first rotating shaft under the action of centrifugal force, the second magnetic block is attracted to move towards the direction close to the first magnetic block under the action of magnetic attraction, and the first baffle is driven to move through the traction mechanism when the second magnetic block moves towards the direction close to the first magnetic block.
When the air flow in the heat dissipation cavity is acted, the gas in the inner cavity of the shell is pumped into the heat dissipation cavity through the communicating hole and then discharged from the heat dissipation cavity, so that the heat dissipation of the electronic element in the inner cavity of the shell is realized, through magnetism effect drive mechanism, need not contact between actuating mechanism and the drive mechanism to the noise that produces when reducing the drive, use more quiet, when not dispelling the heat, the intercommunicating pore is in the encapsulated situation, thereby avoids external dust to get into in the intercommunicating pore.
As a further scheme of the invention, the driving mechanism further comprises an installation sleeve, the installation sleeve is sleeved on the first rotating shaft, a first installation barrel is fixedly installed on the installation sleeve, the first magnetic block is slidably installed in the first installation barrel, and the first magnetic block is elastically connected with the installation sleeve through an elastic rope.
As a further scheme of the present invention, the plurality of driving mechanisms are arranged, and the plurality of driving mechanisms are distributed in an annular array with the axis of the first rotating shaft as an array center, so as to increase the frequency of the second magnetic block under the magnetic force action of the first magnetic block, and prevent the second magnetic block from sliding.
As a further scheme of the invention, the transmission mechanism further comprises a second mounting cylinder, the second mounting cylinder is fixedly mounted on the side wall of the partition plate, and the second magnetic block is slidably mounted in the second mounting cylinder; a first sliding groove is formed in the partition plate, the first sliding groove is communicated with the communicating hole, the first baffle is connected with the first sliding groove in a sliding mode, a first spring is fixedly installed in the first sliding groove, and one end, close to the communicating hole, of the first spring is fixedly connected with the first baffle.
As a further scheme of the invention, the traction mechanism comprises a box body, the box body is fixedly mounted on the partition plate, a second rotating shaft is rotatably mounted in the box body, a first rope winding wheel and a second rope winding wheel are sleeved on the second rotating shaft, a first traction rope is wound on the first rope winding wheel, one end of the first traction rope, far away from the first rope winding wheel, penetrates through the outer wall of the box body and is fixedly connected with the second magnetic block, a rope penetrating hole is formed in one side, close to the partition plate, of the outer wall of the second mounting cylinder, the first traction rope penetrates through the rope penetrating hole, a second traction rope is fixedly connected to the second rope winding wheel, and one end of the second traction rope, far away from the second rope winding wheel, penetrates through the inside of the second spring and is fixedly connected with the first baffle plate.
When the first rotating shaft stops rotating, the elastic rope pulls the first magnetic block to move towards the direction close to the first rotating shaft, the magnetic attraction force borne by the second magnetic block gradually disappears along with the fact that the first magnetic block is far away from the second magnetic block, the first baffle is pushed to close the communicating hole under the elastic force of the first spring, and the second traction rope is pulled to enable the second rope winding wheel to drive the second rotating shaft to rotate, so that the first traction rope is wound on the first rope winding wheel, and the second magnetic block is pulled to reset.
As a further aspect of the present invention, the diameter of the first wrap sheave is smaller than the diameter of the second wrap sheave.
When the rope winding device is used specifically, the wheel diameter of the first rope winding wheel is smaller than that of the second rope winding wheel, so that the moving distance of the first traction rope is smaller than that of the second traction rope, the first baffle can be pulled to move a larger distance, and the communicating hole can be designed to be larger.
As a further scheme of the present invention, a second baffle is disposed in the air inlet, a second chute is disposed on the housing, the second chute is communicated with the air inlet, the second baffle is slidably connected to the second chute, a second spring is fixedly mounted in the second chute, one end of the second spring, which is close to the air inlet, is fixedly connected to the second baffle, the traction mechanism further includes a third rope winding wheel, the third rope winding wheel is sleeved on the second rotating shaft, a third traction rope is fixedly connected to the third rope winding wheel, and one end of the third traction rope, which is far away from the third rope winding wheel, penetrates through the inside of the second spring and is fixedly connected to the second baffle.
During specific use, can seal the air intake through the second baffle, make when equipment does not use external dust can not get into the heat dissipation cavity through the air intake in, it is rotatory to drive the third rope winding wheel when the second pivot is rotatory, with the winding of third haulage rope on the third rope winding wheel when the third rope winding wheel is rotatory, thereby the pulling second baffle slides to the second spout in, make the second baffle open the air intake, the second pivot stops rotatory back, under the spring action of second spring, in the second baffle is pushed into the air intake, thereby seal the air intake.
As a further scheme of the present invention, an air outlet box is fixedly installed on the back wall of the housing, the air outlet box is communicated with the heat dissipation chamber, a plurality of air outlet cylinders are communicated with the side wall of the air outlet box, a heat sink is fixedly installed on the back wall of the housing, a heat conduction pipe is fixedly installed in an inner cavity of the housing, the heat conduction pipe is communicated with the heat sink, cooling media are filled in the heat conduction pipe and the heat sink, a heat dissipation groove is formed in the heat sink, and an air outlet of the air outlet cylinder is arranged toward the heat dissipation groove.
When the heat dissipation device is used specifically, heat dissipation is carried out through the ejection and absorption principle, although external dust can be better avoided entering the shell, the utilization rate of wind blown out by the fan is lower, the air outlet cylinder and the heat radiator are arranged, the heat of the electronic element in the shell is absorbed by the heat conduction pipe, the heat is transmitted to the heat radiator to be dissipated, air flow in the heat dissipation cavity enters the air outlet box and is discharged through the air outlet cylinder, the discharged wind blows to the heat dissipation groove on the heat radiator, the heat on the heat dissipation groove is blown away, and the heat dissipation speed of the heat radiator is improved.
As a further scheme of the invention, the air outlet cylinder is internally and rotatably provided with a one-way valve plate.
When the air outlet box is used specifically, the one-way valve plate can be automatically opened when the air outlet barrel is used for exhausting air, and when the equipment stops working, the one-way valve plate is automatically closed under the action of the torsional spring, so that dust is prevented from entering the air outlet box through the air outlet barrel.
The working principle is as follows: the motor is turned on, the output end of the motor drives the first rotating shaft to rotate, the first rotating shaft drives the fan blades to rotate when rotating, so that outside gas enters the heat dissipation cavity through the air inlet, airflow is generated in the heat dissipation cavity, meanwhile, when the first rotating shaft rotates, the first magnetic block moves towards the direction far away from the first rotating shaft under the action of centrifugal force, the second magnetic block is attracted to move towards the direction close to the first magnetic block under the action of magnetic attraction, the first traction rope is pulled when the second magnetic block moves towards the direction close to the first magnetic block, the first traction rope pulls the first rope winding wheel to rotate, so that the second rope winding wheel is driven to rotate through the second rotating shaft, the first baffle is pulled to move relative to the communication hole by the second traction rope, the first baffle slides into the first sliding groove, so that the communication hole is opened, and gas in the inner cavity of the shell is pumped into the heat dissipation cavity through the communication hole under the action of the airflow in the heat dissipation cavity, the magnetic force applied to the second magnetic block gradually disappears along with the first magnetic block being away from the second magnetic block, under the action of the elastic force of the first spring, the first baffle is pushed to seal the communicating hole, the second traction rope is pulled, the second rope winding wheel drives the second rotating shaft to rotate, the first traction rope is wound on the first rope winding wheel, and the second magnetic block is pulled to reset; the air inlet can be sealed through the second baffle plate, so that external dust cannot enter the heat dissipation cavity through the air inlet when the equipment is not used, the second rotating shaft drives the third rope winding wheel to rotate when rotating, the third traction rope is wound on the third rope winding wheel when the third rope winding wheel rotates, the second baffle plate is pulled to slide into the second sliding groove, the air inlet is opened through the second baffle plate, and after the second rotating shaft stops rotating, the second baffle plate is pushed into the air inlet under the action of the elastic force of the second spring, so that the air inlet is sealed; the heat conduction pipe absorbs the heat of the electronic element in the shell and transmits the heat to the radiator for emission, the air flow in the radiating cavity enters the air outlet box and is exhausted through the air outlet cylinder, and the exhausted air is blown into the radiating groove on the radiator so as to blow away the heat on the radiating groove and improve the radiating speed of the radiator; the one-way valve plate can be opened automatically when making air-out in the play dryer, and when equipment stop work, the one-way valve plate is self-closing under the effect of torsional spring to prevent that the dust from getting into in the air-out box through the play dryer.
The decoder for video monitoring drives the driving mechanism to rotate through the rotation of the first rotating shaft, when the driving mechanism rotates, the first magnetic block moves towards the direction far away from the first rotating shaft under the action of centrifugal force, the second magnetic block is attracted to move towards the direction close to the first magnetic block under the action of magnetic attraction, the first baffle plate is driven to move through the traction mechanism when the second magnetic block moves towards the direction close to the first magnetic block, so that the communication hole is opened, under the action of air flow in the heat dissipation chamber, the air in the inner cavity of the shell is pumped into the heat dissipation chamber through the communication holes by the ejection and suction action and then discharged from the heat dissipation chamber, thereby realize the heat dissipation to casing inner chamber electronic component, through magnetism effect drive mechanism, need not contact between drive mechanism and the drive mechanism to the noise that produces when reducing the drive, it is quiet more to use.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a schematic three-dimensional structure from another perspective of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic top cross-sectional view of the present invention;
FIG. 5 is an enlarged view of FIG. 4 at A in accordance with the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 4B;
FIG. 7 is an enlarged view of FIG. 4 at C in accordance with the present invention;
FIG. 8 is a schematic cross-sectional view of the drive mechanism of the present invention;
FIG. 9 is a schematic cross-sectional view of the pulling mechanism of the present invention;
fig. 10 is a schematic sectional view of the transmission mechanism of the present invention.
In the figure: 1. a housing; 101. an air inlet; 102. a second chute; 2. a partition plate; 201. a communicating hole; 202. a first chute; 3. a motor; 4. a first rotating shaft; 5. a fan blade; 6. a drive mechanism; 61. installing a sleeve; 62. a first mounting cylinder; 63. a first magnetic block; 64. an elastic cord; 7. a transmission mechanism; 71. a second mounting cylinder; 72. a second magnetic block; 8. a traction mechanism; 81. a box body; 82. a second rotating shaft; 83. a first rope winding wheel; 84. a first pull cord; 85. a second rope winding wheel; 86. a second pull cord; 87. a third rope winding wheel; 88. a third pull cord; 9. a first baffle plate; 10. a first spring; 11. a second baffle; 12. a second spring; 13. a heat conducting pipe; 14. a heat sink; 15. an air outlet box; 16. an air outlet cylinder; 17. a check valve plate.
Detailed Description
As shown in fig. 1 to 7, a decoder for video monitoring comprises a casing 1, partition plates 2 are fixedly mounted on both sides of an inner cavity of the casing 1, air inlets 101 are formed in both sides of a front wall of the casing 1, a heat dissipation chamber is arranged on one side of each partition plate 2 and communicated with the corresponding air inlet 101, communication holes 201 are formed in the partition plates 2, the heat dissipation chamber is communicated with the inner cavity of the casing 1 through the communication holes 201, a motor 3 is fixedly mounted in the heat dissipation chamber, a first rotating shaft 4 is mounted at an output end of the motor 3 in a transmission manner, fan blades 5 are fixedly mounted at one end, far away from the motor 3, of the first rotating shaft 4, a driving mechanism 6 is sleeved on the first rotating shaft 4, the driving mechanism 6 comprises a first magnetic block 63, a first baffle plate 9 for sealing the communication holes 201 is arranged in the communication holes 201, and a transmission mechanism 7 is fixedly mounted on a side wall of each partition plate 2, the transmission mechanism 7 comprises a second magnetic block 72, a traction mechanism 8 for driving the partition board 2 to move relative to the communication hole 201 is arranged on the partition board 2, the second magnetic block 72 is in transmission connection with the traction mechanism 8, when the first rotating shaft 4 rotates, the first magnetic block 63 moves towards a direction far away from the first rotating shaft 4 under the action of centrifugal force, the second magnetic block 72 is attracted towards a direction close to the first magnetic block 63 under the action of magnetic attraction, and when the second magnetic block 72 moves towards the direction close to the first magnetic block 63, the first baffle plate 9 is driven to move through the traction mechanism 8.
When the heat dissipation device is used, the motor 3 is turned on, the output end of the motor 3 drives the first rotating shaft 4 to rotate, the first rotating shaft 4 drives the fan blades 5 to rotate when rotating, so that outside air enters the heat dissipation chamber through the air inlet 101, airflow is generated in the heat dissipation chamber, meanwhile, the first rotating shaft 4 drives the driving mechanism 6 to rotate when rotating, when the driving mechanism 6 rotates, the first magnetic block 63 moves towards the direction far away from the first rotating shaft 4 under the action of centrifugal force, the second magnetic block 72 is attracted to move towards the direction close to the first magnetic block 63 under the action of magnetic attraction, when the second magnetic block 72 moves towards the direction close to the first magnetic block 63, the first baffle plate 9 is driven to move through the traction mechanism 8, so that the communication hole 201 is opened, and under the action of the airflow in the heat dissipation chamber, the air in the inner cavity of the shell 1 is sucked into the heat dissipation chamber through the communication hole 201 and then discharged from the heat dissipation chamber, thereby realize the heat dissipation to 1 inner chamber electronic component of casing, through magnetism effect drive transmission 7, need not contact between drive mechanism 6 and the drive transmission 7 to the noise that produces when reducing the drive, it is quiet more to use, and when not dispelling the heat, the intercommunicating pore 201 is in the encapsulated situation, thereby avoids external dust to get into in the intercommunicating pore 201.
As shown in fig. 4 to 10, the driving mechanism 6 further includes an installation sleeve 61, the installation sleeve 61 is sleeved on the first rotating shaft 4, a first installation cylinder 62 is fixedly installed on the installation sleeve 61, the first magnetic block 63 is slidably installed in the first installation cylinder 62, and the first magnetic block 63 is elastically connected to the installation sleeve 61 through an elastic rope 64; the driving mechanisms 6 are arranged in a plurality, and the driving mechanisms 6 are distributed in an annular array by taking the axis of the first rotating shaft 4 as an array center, so that the frequency of the second magnetic block 72 under the action of the magnetic force of the first magnetic block 63 is improved, and the second magnetic block 72 is prevented from sliding; the transmission mechanism 7 further comprises a second mounting cylinder 71, the second mounting cylinder 71 is fixedly mounted on the side wall of the partition board 2, and the second magnetic block 72 is slidably mounted in the second mounting cylinder 71; a first sliding groove 202 is formed in the partition plate 2, the first sliding groove 202 is communicated with the communicating hole 201, the first baffle plate 9 is connected with the first sliding groove 202 in a sliding manner, a first spring 10 is fixedly installed in the first sliding groove 202, and one end, close to the communicating hole 201, of the first spring 10 is fixedly connected with the first baffle plate 9; the traction mechanism 8 comprises a box body 81, the box body 81 is fixedly installed on the partition board 2, a second rotating shaft 82 is rotatably installed in the box body 81, a first rope winding wheel 83 and a second rope winding wheel 85 are sleeved on the second rotating shaft 82 in a sleeved mode, a first traction rope 84 is wound and installed on the first rope winding wheel 83, one end, far away from the first rope winding wheel 83, of the first traction rope 84 penetrates through the outer wall of the box body 81 and is fixedly connected with the second magnetic block 72, a rope penetrating hole is formed in one side, close to the partition board 2, of the outer wall of the second installation cylinder 71, the first traction rope 84 penetrates through the rope penetrating hole, a second traction rope 86 is fixedly connected to the second rope winding wheel 85, and one end, far away from the second rope winding wheel 85, of the second traction rope 86 penetrates through the inside of the second spring 12 and is fixedly connected with the first baffle board 9; the diameter of the first wrap pulley 83 is smaller than that of the second wrap pulley 85, so that the first traction rope 84 moves a smaller distance than the second traction rope 86, the first barrier 9 can be pulled to move a larger distance, and the communication hole 201 can be designed to be larger.
When the first rotating shaft 4 rotates, the first magnetic block 63 moves in a direction away from the first rotating shaft 4 under the action of centrifugal force, the second magnetic block 72 is attracted to move in a direction close to the first magnetic block 63 under the action of magnetic attraction, the first pull rope 84 is pulled when the second magnetic block 72 moves in a direction close to the first magnetic block 63, the first pull rope 84 pulls the first rope winding wheel 83 to rotate, the second rope winding wheel 85 is driven to rotate through the second rotating shaft 82, the first baffle plate 9 is pulled to move relative to the communication hole 201 by the second pull rope 86, the first baffle plate 9 slides into the first sliding groove 202, the communication hole 201 is opened, when the first rotating shaft 4 stops rotating, the elastic rope 64 pulls the first magnetic block 63 to move in a direction close to the first rotating shaft 4, and the magnetic attraction force borne by the second magnetic block 72 gradually disappears as the first magnetic block 63 is far away from the second magnetic block 72, under the action of the elastic force of the first spring 10, the first baffle 9 is pushed to close the communication hole 201, and the second traction rope 86 is pulled, so that the second rope winding wheel 85 drives the second rotating shaft 82 to rotate, the first traction rope 84 is wound on the first rope winding wheel 83, and the second magnetic block 72 is pulled to reset.
As shown in fig. 4 to 9, a second baffle 11 is disposed in the air inlet 101, a second sliding groove 102 is formed in the housing 1, the second sliding groove 102 is communicated with the air inlet 101, the second baffle 11 is slidably connected to the second sliding groove 102, a second spring 12 is fixedly mounted in the second sliding groove 102, one end of the second spring 12 close to the air inlet 101 is fixedly connected to the second baffle 11, the traction mechanism 8 further includes a third rope winding wheel 87, the third rope winding wheel 87 is sleeved on the second rotating shaft 82, a third traction rope 88 is fixedly connected to the third rope winding wheel 87, and one end of the third traction rope 88, which is far away from the third rope winding wheel 87, penetrates through the inside of the second spring 12 and is fixedly connected to the second baffle 11.
During specific use, can seal air intake 101 through second baffle 11, make outside dust can not get into the heat dissipation cavity through air intake 101 when equipment does not use in, it is rotatory to drive third rope winding wheel 87 when second pivot 82 is rotatory, third rope winding wheel 87 twines third haulage rope 88 on third rope winding wheel 87 when rotatory, thereby pulling second baffle 11 and sliding to the second spout 102 in, make second baffle 11 open air intake 101, second pivot 82 stops rotatory back, under the elastic force effect of second spring 12, second baffle 11 is pushed in air intake 101, thereby seal air intake 101.
As shown in fig. 2 to 4, an air outlet box 15 is fixedly installed on the back wall of the housing 1, the air outlet box 15 is communicated with the heat dissipation chamber, a plurality of air outlet cylinders 16 are arranged on the side wall of the air outlet box 15 in a communicating manner, a heat sink 14 is fixedly installed on the back wall of the housing 1, a heat pipe 13 is fixedly installed in the inner cavity of the housing 1, the heat pipe 13 is communicated with the heat sink 14, a cooling medium is filled in the heat pipe 13 and the heat sink 14, a heat dissipation groove is formed in the heat sink 14, and an air outlet of the air outlet cylinder 16 faces the heat dissipation groove; the air outlet cylinder 16 is internally and rotatably provided with a one-way valve plate 17 through a rotating shaft, the rotating angle of the one-way valve plate 17 is 0-80 degrees, the air outlet cylinder 16 is naturally sealed, the rotating shaft is provided with a torsion spring, one end of the torsion spring is fixedly connected with the rotating shaft, and the other end of the torsion spring is fixedly connected with the air outlet cylinder 16.
When the heat dissipation device is used specifically, heat dissipation is carried out through the jet-suction principle, although external dust can be better prevented from entering the shell 1, the utilization rate of wind blown out by the fan is low, therefore, the air outlet cylinder 16 and the heat sink 14 are arranged, the heat of the electronic element in the shell 1 is absorbed by the heat conduction pipe 13 and is transferred to the heat sink 14 to be dissipated, airflow in the heat dissipation cavity enters the air outlet box 15 and is exhausted through the air outlet cylinder 16, the exhausted wind blows the heat dissipation groove in the heat sink 14, and therefore the heat dissipation speed of the heat sink 14 is improved; the check valve plate 17 can be opened automatically when making air-out in the play dryer 16 by the check valve plate 17, and when equipment stop work, the check valve plate 17 self-closing under the effect of torsional spring to prevent that the dust from getting into out in the air box 15 through play dryer 16.
The working principle is as follows: the motor 3 is turned on, the output end of the motor 3 drives the first rotating shaft 4 to rotate, the first rotating shaft 4 drives the fan blades 5 to rotate when rotating, so that outside air enters the heat dissipation chamber through the air inlet 101, air flow is generated in the heat dissipation chamber, meanwhile, when the first rotating shaft 4 rotates, the first magnetic block 63 moves towards the direction far away from the first rotating shaft 4 under the action of centrifugal force, the second magnetic block 72 is attracted to move towards the direction close to the first magnetic block 63 under the action of magnetic attraction, the first traction rope 84 is pulled when the second magnetic block 72 moves towards the direction close to the first magnetic block 63, the first traction rope 84 pulls the first rope winding wheel 83 to rotate, the second rope winding wheel 85 is driven to rotate through the second rotating shaft 82, the second traction rope 86 pulls the first baffle plate 9 to move relative to the communicating hole 201, the first baffle plate 9 slides into the first sliding groove 202, so that the communicating hole 201 is opened, under the action of air flow in the heat dissipation chamber, when the first rotating shaft 4 stops rotating, the elastic rope 64 pulls the first magnetic block 63 to move towards the direction close to the first rotating shaft 4, the magnetic attraction force borne by the second magnetic block 72 gradually disappears along with the first magnetic block 63 being far away from the second magnetic block 72, the first baffle 9 is pushed to close the communicating hole 201 under the action of the elastic force of the first spring 10, the second traction rope 86 is pulled, the second rope winding wheel 85 drives the second rotating shaft 82 to rotate, the first traction rope 84 is wound on the first rope winding wheel 83, and the second magnetic block 72 is pulled to reset; the air inlet 101 can be sealed through the second baffle plate 11, so that external dust cannot enter the heat dissipation cavity through the air inlet 101 when the device is not used, the second rotating shaft 82 drives the third rope winding wheel 87 to rotate when rotating, the third rope winding wheel 87 winds the third traction rope 88 on the third rope winding wheel 87 when rotating, the second baffle plate 11 is pulled to slide into the second sliding groove 102, the air inlet 101 is opened through the second baffle plate 11, and after the second rotating shaft 82 stops rotating, the second baffle plate 11 is pushed into the air inlet 101 under the action of the elastic force of the second spring 12, so that the air inlet 101 is sealed; the heat conduction pipe 13 absorbs the heat of the electronic component in the housing 1 and transfers the heat to the heat sink 14 for dissipation, the air flow in the heat dissipation chamber enters the air outlet box 15 and is exhausted through the air outlet barrel 16, the exhausted air is blown into the heat dissipation groove on the heat sink 14, so that the heat on the heat dissipation groove is blown away, and the heat dissipation speed of the heat sink 14 is improved; the check valve plate 17 can be opened automatically when making air-out in the play dryer 16 by the check valve plate 17, and when equipment stop work, the check valve plate 17 self-closing under the effect of torsional spring to prevent that the dust from getting into out in the air box 15 through play dryer 16.
Claims (8)
1. A decoder for video surveillance, comprising a housing, characterized in that: the fan comprises a shell, a baffle is fixedly mounted in the shell, an air inlet is formed in the front wall of the shell, a heat dissipation chamber is arranged on one side of the baffle and communicated with the air inlet, a communicating hole is formed in the baffle, the heat dissipation chamber is communicated with an inner cavity of the shell through the communicating hole, a motor is fixedly mounted in the heat dissipation chamber, a first rotating shaft is mounted at the output end of the motor in a transmission manner, a fan blade is fixedly mounted at one end, away from the motor, of the first rotating shaft, a driving mechanism is sleeved on the first rotating shaft and comprises a first magnetic block, a first baffle plate used for sealing the communicating hole is arranged in the communicating hole, a transmission mechanism is fixedly mounted on the side wall of the baffle and comprises a second magnetic block, a traction mechanism used for driving the baffle to move relatively is arranged on the baffle, and the second magnetic block is in transmission connection with the traction mechanism, when the first rotating shaft rotates, the first magnetic block moves towards the direction far away from the first rotating shaft under the action of centrifugal force, the second magnetic block is attracted to move towards the direction close to the first magnetic block under the action of magnetic attraction, and the first baffle is driven to move through the traction mechanism when the second magnetic block moves towards the direction close to the first magnetic block.
2. A decoder for video surveillance as claimed in claim 1, characterized by: the driving mechanism further comprises an installation sleeve, the installation sleeve is sleeved on the first rotating shaft, a first installation barrel is fixedly installed on the installation sleeve, the first magnetic block is slidably installed in the first installation barrel, and the first magnetic block is elastically connected with the installation sleeve through an elastic rope.
3. A decoder for video surveillance as claimed in claim 2, characterized in that: the driving mechanism is provided with a plurality of driving mechanisms, and the driving mechanisms are distributed in an annular array by taking the axis of the first rotating shaft as an array center.
4. A decoder for video surveillance according to claim 3, characterized by: the transmission mechanism further comprises a second mounting cylinder, the second mounting cylinder is fixedly mounted on the side wall of the partition plate, and the second magnetic block is slidably mounted in the second mounting cylinder; a first sliding groove is formed in the partition plate, the first sliding groove is communicated with the communicating hole, the first baffle is connected with the first sliding groove in a sliding mode, a first spring is fixedly installed in the first sliding groove, and one end, close to the communicating hole, of the first spring is fixedly connected with the first baffle.
5. The decoder for video surveillance according to claim 4, characterized by: traction mechanism includes the box body, box body fixed mounting is on the baffle, the second pivot is installed to the box body internal rotation, the cover is equipped with first rope winding wheel and second rope winding wheel in the second pivot, first haulage rope is installed in the winding on the first rope winding wheel, the one end that first rope winding wheel was kept away from to first haulage rope run through the outer wall of box body with second magnetic path fixed connection, the wire rope handling hole has been seted up to one side that the outer wall of second installation section of thick bamboo is close to the baffle, and first haulage rope runs through the wire rope handling hole, fixedly connected with second haulage rope on the second rope winding wheel, the one end that the second rope winding wheel was kept away from to the second haulage rope pass from the inside of second spring and with first baffle fixed connection.
6. The decoder for video surveillance according to claim 5, characterized by: the diameter of the first rope winding wheel is smaller than that of the second rope winding wheel.
7. A decoder for video surveillance according to claim 3, characterized by: the utility model discloses a heat dissipation device for solar water heater, including casing, heat dissipation cavity, heat pipe, radiating groove, air-out box, heat pipe, radiator, heat pipe, radiating groove, the air outlet of air-out box sets up towards the heat dissipation groove.
8. The decoder for video surveillance according to claim 7, characterized by: and a one-way valve plate is rotatably arranged in the air outlet cylinder.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114654915A (en) * | 2022-04-12 | 2022-06-24 | 潍坊科技学院 | Bill rubber coating device for accounting |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001015662A (en) * | 1999-06-30 | 2001-01-19 | Nippon Keiki Works Ltd | Cooling device |
| JP3452059B1 (en) * | 2002-05-15 | 2003-09-29 | 松下電器産業株式会社 | Cooling device and electronic equipment equipped with it |
| JP2006249966A (en) * | 2005-03-09 | 2006-09-21 | Matsushita Electric Ind Co Ltd | Centrifugal pump and cooling device using the same |
| JP2009260371A (en) * | 2009-07-24 | 2009-11-05 | Sanyo Denki Co Ltd | Electronic-component cooling device |
| JP2011223794A (en) * | 2010-04-13 | 2011-11-04 | Mitsubishi Electric Corp | Motor, exhaust fan, and heat exchange unit |
| CN208364473U (en) * | 2017-12-28 | 2019-01-11 | 广州市泓建通风设备制造有限公司 | A kind of centrifugal wind wheel for air-treatment |
| JP2019120126A (en) * | 2017-12-28 | 2019-07-22 | 株式会社豊田自動織機 | Variable displacement swash plate compressor |
| CN211470615U (en) * | 2019-12-06 | 2020-09-11 | 宝信软件(武汉)有限公司 | Permanent magnet sucker type encoder feedback device |
| CN111683477A (en) * | 2020-05-13 | 2020-09-18 | 董术杰 | Intelligent security and protection equipment with good heat dissipation effect used outdoors |
| CN112099605A (en) * | 2020-09-25 | 2020-12-18 | 广西轻舟信息科技有限公司 | High-efficiency heat dissipation device for computer mainframe box |
| CN112272300A (en) * | 2020-10-22 | 2021-01-26 | 江西诚韬科技有限公司 | High-efficient heat dissipation and dirt-proof high definition audio and video decoder |
| CN112312739A (en) * | 2020-10-26 | 2021-02-02 | 广州圣希悦贸易有限公司 | But automatically regulated's video distributor heat abstractor |
| CN112469256A (en) * | 2021-01-05 | 2021-03-09 | 成都浅伏梦商贸有限公司 | Electronic radiator capable of adjusting heat dissipation effect and heat dissipation mode |
| CN112752069A (en) * | 2020-12-08 | 2021-05-04 | 南京蒙仕通讯科技有限公司 | Monitoring equipment for security protection |
| CN213152237U (en) * | 2020-10-23 | 2021-05-07 | 江西诚韬科技有限公司 | Video and audio decoder |
| CN213691434U (en) * | 2020-11-25 | 2021-07-13 | 深圳市雅乐实业有限公司 | Audio decoder with output channel matrix |
| CN113132824A (en) * | 2021-04-08 | 2021-07-16 | 中徽机电科技股份有限公司 | Energy consumption data acquisition unit |
| JP2021122818A (en) * | 2020-02-05 | 2021-08-30 | 卜美燕 | Automatic high speed type sludge separation device for domestic wastewater |
| CN113467338A (en) * | 2021-08-04 | 2021-10-01 | 深圳美克拉网络技术有限公司 | Informationized communication data monitoring system |
| CN113485062A (en) * | 2021-07-06 | 2021-10-08 | 厦门权嵘贸易有限公司 | Projection equipment capable of powering off when starting from flip cover and fan stop |
-
2021
- 2021-10-28 CN CN202111260983.9A patent/CN113824964B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001015662A (en) * | 1999-06-30 | 2001-01-19 | Nippon Keiki Works Ltd | Cooling device |
| JP3452059B1 (en) * | 2002-05-15 | 2003-09-29 | 松下電器産業株式会社 | Cooling device and electronic equipment equipped with it |
| JP2006249966A (en) * | 2005-03-09 | 2006-09-21 | Matsushita Electric Ind Co Ltd | Centrifugal pump and cooling device using the same |
| JP2009260371A (en) * | 2009-07-24 | 2009-11-05 | Sanyo Denki Co Ltd | Electronic-component cooling device |
| JP2011223794A (en) * | 2010-04-13 | 2011-11-04 | Mitsubishi Electric Corp | Motor, exhaust fan, and heat exchange unit |
| CN208364473U (en) * | 2017-12-28 | 2019-01-11 | 广州市泓建通风设备制造有限公司 | A kind of centrifugal wind wheel for air-treatment |
| JP2019120126A (en) * | 2017-12-28 | 2019-07-22 | 株式会社豊田自動織機 | Variable displacement swash plate compressor |
| CN211470615U (en) * | 2019-12-06 | 2020-09-11 | 宝信软件(武汉)有限公司 | Permanent magnet sucker type encoder feedback device |
| JP2021122818A (en) * | 2020-02-05 | 2021-08-30 | 卜美燕 | Automatic high speed type sludge separation device for domestic wastewater |
| CN111683477A (en) * | 2020-05-13 | 2020-09-18 | 董术杰 | Intelligent security and protection equipment with good heat dissipation effect used outdoors |
| CN112099605A (en) * | 2020-09-25 | 2020-12-18 | 广西轻舟信息科技有限公司 | High-efficiency heat dissipation device for computer mainframe box |
| CN112272300A (en) * | 2020-10-22 | 2021-01-26 | 江西诚韬科技有限公司 | High-efficient heat dissipation and dirt-proof high definition audio and video decoder |
| CN213152237U (en) * | 2020-10-23 | 2021-05-07 | 江西诚韬科技有限公司 | Video and audio decoder |
| CN112312739A (en) * | 2020-10-26 | 2021-02-02 | 广州圣希悦贸易有限公司 | But automatically regulated's video distributor heat abstractor |
| CN213691434U (en) * | 2020-11-25 | 2021-07-13 | 深圳市雅乐实业有限公司 | Audio decoder with output channel matrix |
| CN112752069A (en) * | 2020-12-08 | 2021-05-04 | 南京蒙仕通讯科技有限公司 | Monitoring equipment for security protection |
| CN112469256A (en) * | 2021-01-05 | 2021-03-09 | 成都浅伏梦商贸有限公司 | Electronic radiator capable of adjusting heat dissipation effect and heat dissipation mode |
| CN113132824A (en) * | 2021-04-08 | 2021-07-16 | 中徽机电科技股份有限公司 | Energy consumption data acquisition unit |
| CN113485062A (en) * | 2021-07-06 | 2021-10-08 | 厦门权嵘贸易有限公司 | Projection equipment capable of powering off when starting from flip cover and fan stop |
| CN113467338A (en) * | 2021-08-04 | 2021-10-01 | 深圳美克拉网络技术有限公司 | Informationized communication data monitoring system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114654915A (en) * | 2022-04-12 | 2022-06-24 | 潍坊科技学院 | Bill rubber coating device for accounting |
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| CN113824964B (en) | 2023-01-10 |
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