CN112752492B - Intelligent optical digital audio wiring module - Google Patents

Abstract

The invention provides an intelligent light digital sound wiring module, which belongs to the technical field of wiring equipment and comprises a shell, a ring-shaped part, an air deflector and a driving part. An air outlet is formed in the side wall of the shell; the annular piece is rotatably arranged on the outer wall of the shell, and the air outlet is communicated with an inner hole of the annular piece; the air deflector is fixedly arranged on the annular piece and used for guiding hot air exhausted from the air outlet; a drive member is mounted on the housing for driving rotation of the annular member. According to the intelligent light digital sound wiring module provided by the invention, the driving part drives the annular part to rotate, so that the air deflector is driven to rotate around the axis of the annular part, the air outlet direction of the intelligent light digital sound wiring module is finally adjusted, hot air exhausted from the air outlet is prevented from facing other communication equipment, and the normal work of other communication equipment is ensured.

Description

Intelligent optical digital audio wiring module

Technical Field

The invention belongs to the technical field of wiring equipment, and particularly relates to an intelligent optical digital audio wiring module.

Background

At present, an electric power company carries out communication construction such as informatization, distribution network automation, scheduling data network and the like, and wired communication equipment such as optical fiber distribution, digital distribution, audio distribution and the like is required to be added in a machine room. The optical digital audio distribution module integrates optical fiber distribution, digital distribution and audio distribution modules, so that the integration level of communication equipment is improved, and the installation space is saved. The optical digital audio wiring module comprises a shell and a wiring module, wherein the wiring module is installed in the shell. The wiring module can produce a large amount of heats in the course of the work, in order to reduce the temperature of wiring module, at the internally mounted exhaust fan of casing usually, the hot-blast air exit through the casing in the casing discharges to reach the purpose to the cooling of wiring module. Other communication equipment is still installed around the light number sound wiring module, and the air-out direction of current light number sound wiring module can't be adjusted, when the air-out direction just right other communication equipment, can cause the rising of other communication equipment temperature, influences other communication equipment's normal work.

Disclosure of Invention

The invention aims to provide an intelligent light digital sound wiring module, which aims to solve the problem that the normal work of other communication equipment is easily influenced because the air outlet direction of the existing light digital sound wiring module cannot be adjusted.

In order to realize the purpose, the invention adopts the technical scheme that: provided is an intelligent optical digital audio wiring module, including:

the side wall of the shell is provided with an air outlet;

the annular piece is rotatably arranged on the outer wall of the shell, and the air outlet is communicated with an inner hole of the annular piece;

the air deflector is fixedly arranged on the annular piece and used for guiding hot air exhausted from the air outlet; and

and the driving piece is arranged on the shell and used for driving the annular piece to rotate.

As another embodiment of this application, the aviation baffle is the arc, the arc is close to one side of air outlet is equipped with to keeping away from the bellied wind-guiding cambered surface of direction of air outlet.

As another embodiment of the present application, the air guiding plate includes a fixed plate and a telescopic plate; the fixed plate is fixedly connected with the annular piece, and the telescopic plate is arranged on the fixed plate in a sliding manner; the expansion plate is pushed back or pulled out, so that the effective air guide area of the air guide plate can be reduced or enlarged.

As another embodiment of the application, an elastic ejector pin is arranged on the fixed plate, and a limit groove in clamping fit with the elastic ejector pin is correspondingly arranged on the expansion plate; the limiting grooves are multiple in number and are arranged along the length direction of the expansion plate.

As another embodiment of the application, the wind deflector further comprises a heat dissipation assembly, and the heat dissipation assembly is arranged between the annular piece and the wind deflector.

As another embodiment of the present application, the heat dissipation assembly includes a bracket, a rotary cylinder, and a heat dissipation fin; the support is fixedly installed on the air deflector, the rotary cylinder is rotatably installed on the support, a rotary shaft of the rotary cylinder is perpendicular to the axial direction of the annular piece, and the radiating fins are arranged on the outer wall of the rotary cylinder.

As another embodiment of the present application, the number of the rotary cylinders is two; a cooling channel for passing hot air is formed between the two rotary cylinders.

As another embodiment of the present application, a cooling cavity for containing a cooling liquid is disposed inside the rotary cylinder.

As another embodiment of the present application, the rotary cylinder includes a support shaft and a cylinder body; the supporting shaft is mounted on the support, the barrel is sleeved on the supporting shaft, the supporting shaft is provided with a water inlet channel and a water outlet channel, the water outlet channel is located in the center of the supporting shaft, and the water inlet channel is arranged around the outer side of the water outlet channel; the water inlet channel is communicated with the water outlet channel to form the cooling cavity.

As another embodiment of the present application, the bracket includes a first support bar, a second support bar, a slider, and a link; the first supporting rod is fixedly installed on the air deflector and arranged along the axial direction of the annular piece, the second supporting rod is fixedly installed at the end part of the first supporting rod and is perpendicular to the first supporting rod, the two cylinders are respectively arranged at the end part of the second supporting rod, the second supporting rod is provided with a long hole for installing the supporting shaft, the sliding block is installed on the first supporting rod and has freedom degree of movement along the length direction of the first supporting rod, and the connecting rod is respectively hinged with the sliding block and the supporting shaft;

the sliding block is driven to reciprocate on the first supporting rod, so that the two cylinder bodies are driven to mutually approach or separate.

The intelligent optical digital audio wiring module provided by the invention has the beneficial effects that: compared with the prior art, the intelligent light digital sound wiring module has the advantages that when the air outlet direction of the intelligent light digital sound wiring module needs to be adjusted, the driving part is driven to rotate through the driving part, so that the air guide plate is driven to rotate around the axis of the annular part, the air outlet direction of the intelligent light digital sound wiring module is finally adjusted, hot air exhausted from the air outlet is prevented from facing other communication equipment, and the normal work of other communication equipment is guaranteed.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an intelligent optical digital-audio wiring module according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an intelligent optical digital-audio wiring module according to a second embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a schematic structural diagram of a heat dissipation assembly according to a second embodiment of the present invention;

FIG. 5 is a sectional view taken along line B-B of FIG. 4;

fig. 6 is a schematic structural view of a rotary drum according to a third embodiment of the present invention;

fig. 7 is a sectional structural view taken along the line C-C in fig. 6.

In the figure: 1. a housing; 101. an air outlet; 102. a supporting seat; 103. a through hole; 2. an annular member; 201. rotating the pressing block; 202. mounting grooves; 3. an air deflector; 301. a wind guide cambered surface; 302. a fixing plate; 303. a retractable plate; 304. an elastic knock pin; 305. a limiting groove; 306. a knock pin body; 307. a tension spring; 308. a spoiler; 309. an elastic support member; 310. an accommodating chamber; 4. a drive member; 401. a worm; 402. a worm gear; 5. a heat dissipating component; 501. a support; 502. a rotary drum; 503. a heat sink; 504. a cooling channel; 505. cooling the cavity; 506. a support shaft; 507. a barrel; 508. a water inlet channel; 509. a water outlet channel; 510. a first occlusion; 511. a second occlusion; 512. a water inlet pipe; 513. a water outlet pipe; 514. a first support bar; 515. a second support bar; 516. a slider; 517. a connecting rod; 518. carrying out top thread; 519. and (4) a long hole.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, an intelligent optical digital audio wiring module according to the present invention will now be described. The intelligent light-digital-sound wiring module comprises a shell 1, a ring-shaped piece 2, an air deflector 3 and a driving piece 4. An air outlet 101 is formed in the side wall of the shell 1; the annular piece 2 is rotatably arranged on the outer wall of the shell 1, and the air outlet 101 is communicated with an inner hole of the annular piece 2; the air deflector 3 is fixedly arranged on the annular piece 2 and is used for guiding hot air exhausted from the air outlet 101; a drive member 4 is mounted on the housing 1 for driving rotation of the annular member 2.

Compared with the prior art, when the air outlet direction of the intelligent optical digital audio distribution module needs to be adjusted, the driving piece 4 drives the annular piece 2 to rotate, so that the air deflector 3 is driven to rotate around the axis of the annular piece 2, the air outlet direction of the intelligent optical digital audio distribution module is finally adjusted, hot air exhausted from the air outlet 101 is prevented from facing other communication equipment, and normal work of other communication equipment is guaranteed.

In this embodiment, the outer wall of the casing 1 is provided with a supporting seat 102 for mounting the ring-shaped member 2, the supporting seat 102 is of a circular ring structure, a through hole 103 for passing hot air is formed in the supporting seat 102, the through hole 103 faces the air outlet 101, and the aperture of the through hole 103 is larger than that of the air outlet 101, so that the hot air is discharged from the casing 1. The driving member 4 comprises a worm 401 and a worm wheel 402, the worm 401 is rotatably mounted on the housing 1, and the worm wheel 402 is fixedly mounted on the outer end of the annular member 2. The mechanical transmission structure of worm 401 and worm wheel 402 has self-locking function, drives annular member 2 and rotates to certain angle after, can carry out the auto-lock spacing to annular member 2 automatically.

As a specific embodiment of the intelligent optical digital audio distribution module provided by the present invention, please refer to fig. 1, the air guiding plate 3 is an arc-shaped plate, and one side of the arc-shaped plate close to the air outlet 101 is provided with an air guiding arc 301 protruding in a direction away from the air outlet 101. In this embodiment, the arc center of the arc plate is located on the axis of the ring member 2. The air guide cambered surface 301 is an arc surface, hot air exhausted from the air outlet 101 passes through the through hole 103 on the supporting seat 102, and then is blown out from the free end of the arc plate under the guiding action of the air guide cambered surface 301. Since the air guiding cambered surface 301 is of a concave structure, hot air is guided by the air guiding cambered surface 301 and is blown out towards the side close to the shell 1.

Referring to fig. 2 and 3, an air guiding plate 3 includes a fixing plate 302 and a retractable plate 303; the fixed plate 302 is fixedly connected with the annular part 2, and the telescopic plate 303 is arranged on the fixed plate 302 in a sliding manner; the expansion plate 303 is pushed back or pulled out, so that the effective air guiding area of the air guide plate 3 can be reduced or enlarged. In this embodiment, the fixed plate 302 and the retractable plate 303 have the same longitudinal direction, and the movement direction of the retractable plate 303 is the same as the longitudinal direction of the fixed plate 302. Fixed plate 302 and expansion plate 303 are both arcuate plates. One end of the fixing plate 302 is in plug-in fit with the annular part 2, and a slot for mounting the fixing plate 302 is arranged on the end face of the annular part 2. The annular member 2 is provided with a rotating pressing block 201 for limiting and fixing the fixing plate 302, the rotating pressing block 201 is positioned at two sides of the fixing plate 302, and two side surfaces of the fixing plate 302 are correspondingly provided with notches matched with the rotating pressing block 201. The rotating pressing block 201 is disc-shaped, and a rotating shaft of the rotating pressing block 201 is eccentrically arranged. The rotating pressing block 201 is rotated into the notch, and the limit of the fixing plate 302 can be fixed in the slot; when the fixing plate 302 needs to be disassembled, the rotating pressing block 201 only needs to be screwed out from the notch; the fixing plate 302 is installed in a manner of being inserted and matched with the rotary pressing block 201, and is simple in structure and convenient to operate. The fixed plate 302 is hollow, and one end of the retractable plate 303 extends into the fixed plate 302 and is slidably engaged with the inner cavity of the fixed plate 302. The length of the air deflector 3 can be changed by pushing and pulling the telescopic plate 303, and meanwhile, the opening formed by the free end of the air deflector 3 and the annular piece 2 is changed; the longer the length of the air deflector 3 is, the smaller the opening is, thereby controlling the passing rate of the hot air. Be equipped with on the annular member 2 with mounting groove 202 of the tip cooperation installation of expansion plate 303, when this intelligence light number sound wiring module is out of work, need not to carry out the heat dissipation of airing exhaust, outwards pull out expansion plate 303 this moment, make the one end of expansion plate 303 enter into in mounting groove 202 to cover air outlet 101 on casing 1, prevent that external foreign matter from entering into casing 1's inside from air outlet 101.

Referring to fig. 2 and 3, an elastic knock pin 304 is disposed on a fixing plate 302, and a limit groove 305 engaged with the elastic knock pin 304 is correspondingly disposed on a retractable plate 303; the number of the limiting grooves 305 is plural, and the limiting grooves are arranged along the length direction of the telescopic plate 303. In this embodiment, the elastic knock pin 304 includes a knock pin body 306 and a tension spring 307; the knock pin body 306 is arranged along the radial direction of the fixing plate 302, the knock pin body 306 penetrates through the side wall of the fixing plate 302 and extends to the inside of the fixing plate 302, and the fixing plate 302 limits and fixes the telescopic plate 303 by means of the matching installation of the knock pin body 306 and the limiting groove 305. The tension spring 307 is sleeved on the knock pin body 306 and is located outside the fixing plate 302. One end of the tension spring 307 is fixedly connected with the knock pin body 306, and the other end is fixedly connected with the outer wall of the fixing plate 302. The tension spring 307 provides an acting force to a side close to the limit groove 305 for the knock pin body 306, and effectively improves a locking force between the knock pin body 306 and the limit groove 305.

As a specific embodiment of the intelligent optical digital audio distribution module provided by the present invention, please refer to fig. 2, further comprising a heat dissipation assembly 5, wherein the heat dissipation assembly 5 is disposed between the ring-shaped member 2 and the air guide plate 3. In this embodiment, the hot air exhausted from the air outlet 101 sequentially passes through the inner hole of the annular member 2 and the heat dissipation assembly 5, and is then exhausted to the outside under the guiding action of the air deflector 3. The heat dissipation assembly 5 plays a role in cooling hot air, so that the ambient temperature around the intelligent light and sound wiring module is reduced, and the normal work of related communication equipment is ensured.

Referring to fig. 2 and 4, as a specific embodiment of the intelligent optical digital audio wiring module provided by the present invention, the heat dissipation assembly 5 includes a bracket 501, a rotary cylinder 502 and a heat dissipation plate 503; the support 501 is fixedly arranged on the air deflector 3, the rotary cylinder 502 is rotatably arranged on the support 501, the rotary shaft of the rotary cylinder 502 is vertical to the axial direction of the annular part 2, and the radiating fins 503 are arranged on the outer wall of the rotary cylinder 502. In this embodiment, the bracket 501 is fixedly connected to the air guiding plate 3 by welding or fastening. The rotary cylinder 502 is rotatably mounted on the side of the bracket 501 close to the ring member 2. The number of the heat radiating fins 503 is plural, and the heat radiating fins 503 are uniformly arranged along the circumferential direction of the rotary drum 502, and radiate the hot air discharged from the outlet 101. The airflow generated by the hot air exerts a force on the heat sink 503, so as to drive the rotary cylinder 502 to rotate around its own axis. The plurality of radiating fins 503 continuously radiate the hot air by continuously switching the positions, so that one part of the radiating fins 503 always radiates the hot air, and the other part of the radiating fins 503 is not in contact with the hot air, thereby accelerating the heat transfer efficiency of the radiating fins 503, and simultaneously performing air cooling, thereby improving the radiating efficiency of the radiating fins 503 on the hot air. The heat sink 503 slows down the flow rate of the airflow, and prolongs the contact time between the airflow and the heat sink 503, thereby improving the heat dissipation efficiency. A spoiler 308 and an elastic support 309 are arranged on the telescopic plate 303; an accommodating cavity 310 for accommodating the spoiler 308 is formed in one side of the telescopic plate 303 close to the rotary cylinder 502, one end of the spoiler 308 is hinged to the side wall of the accommodating cavity 310, and the hinged shaft of the spoiler 308 is parallel to the rotary shaft of the rotary cylinder 502. The elastic support 309 is a compression spring, which is located between the spoiler 308 and the sidewall of the accommodating chamber 310, and is used for driving the spoiler 308 to rotate outward. The number of spoilers 308 is plural, and they are arranged along the length direction of the telescopic plate 303. By pushing and pulling the telescopic plate 303, the spoiler 308 can be automatically opened and stored. The air flow flows to the side close to the rotary cylinder 502 under the action of the spoiler 308, so that the contact time and the contact area of the air flow and the radiating fins 503 are prolonged, and the cooling effect on hot air and the flow rate of the hot air are improved.

As a specific embodiment of the intelligent optical digital audio distribution module provided by the present invention, please refer to fig. 2 and 4, the number of the rotary cylinders 502 is two; a cooling passage 504 for passing hot air is formed between the two rotary cylinders 502. In this embodiment, the two rotary cylinders 502 are parallel to each other and symmetrically disposed on both sides of the axis of the ring member 2. The heat dissipation fins 503 in the cooling channel 504 dissipate heat of the hot air, and the heat dissipation fins 503 outside the cooling channel 504 can be cooled quickly, so that the heat dissipation fins 503 are kept at a lower temperature before rotating to the cooling channel 504, thereby increasing the temperature difference between the heat dissipation fins 503 and the hot air and accelerating the heat transfer efficiency of the heat dissipation fins 503. The radiating fins 503 on the two rotary cylinders 502 are arranged in a staggered manner to form a zigzag channel through which the air flow passes, and the radiating fins 503 positioned on the two sides of the air flow simultaneously radiate the hot air, so that the radiating efficiency is improved.

As a specific embodiment of the intelligent optical digital audio distribution module provided by the present invention, please refer to fig. 4, a cooling cavity 505 for containing a cooling liquid is disposed inside the rotary drum 502. In this embodiment, the heat dissipation plate 503 is continuously heated by the hot wind, and the heat on the heat dissipation plate 503 is transferred to the rotary cylinder 502 by heat conduction and is finally absorbed by the cooling liquid, thereby achieving rapid cooling of the heat dissipation plate 503.

As a specific embodiment of the intelligent optical digital audio distribution module provided by the present invention, please refer to fig. 6 and 7, the rotary drum 502 includes a supporting shaft 506 and a drum 507; the supporting shaft 506 is installed on the bracket 501, the cylinder body 507 is sleeved on the supporting shaft 506, the supporting shaft 506 is provided with a water inlet channel 508 and a water outlet channel 509, the water outlet channel 509 is located in the center of the supporting shaft 506, and the water inlet channel 508 is surrounded on the outer side of the water outlet channel 509; the water inlet channel 508 is communicated with the water outlet channel 509 to form a cooling cavity 505. In this embodiment, the supporting shaft 506 is fixedly installed on the frame body, the heat dissipation fins 503 are installed on the outer wall of the cylinder body 507, and the cylinder body 507 drives the heat dissipation fins 503 to rotate around the axis of the supporting shaft 506. The water inlet passage 508 is plural in number and is uniformly arranged in the circumferential direction of the support shaft 506. The outer wall of the supporting shaft 506 is in sliding fit with the inner wall of the cylinder body 507, a through groove with a semicircular section is formed in the outer wall of the supporting shaft 506, and a water inlet channel 508 is formed by the through groove and the inner wall of the cylinder body 507. By adopting the supporting shaft 506 with the structure, the processing is more convenient, and the water inlet channel 508 is easier to clean. The cooling liquid in the water inlet channel 508 directly contacts the cylinder 507, so that the heat transfer efficiency is greatly improved. The axis of the through groove can be a straight line or a spiral line. When the axis that leads to the groove is the helix, can prolong inhalant canal 508's length to promote the cooling effect of coolant liquid to the heating panel. The supporting shaft 506 is provided with a first plug 510 and a second plug 511 for plugging the water inlet channel 508 and the water outlet channel 509, the first plug 510 is provided with a water inlet pipe 512, the second plug 511 is provided with a water outlet pipe 513, and the water inlet pipe 512 and the water outlet pipe 513 are positioned on the same side of the supporting shaft 506. A cooling cavity 505 formed by the water inlet channel 508 and the water outlet channel 509 is a circulating pipeline, and cooling liquid circularly flows in the cooling cavity 505, so that continuous heat absorption and temperature reduction of the radiating fins 503 are ensured.

As a specific embodiment of the intelligent optical digital audio distribution module provided by the present invention, please refer to fig. 4 and 5, the bracket 501 includes a first supporting rod 514, a second supporting rod 515, a sliding block 516 and a connecting rod 517; the first supporting rod 514 is fixedly arranged on the air deflector 3 and is arranged along the axial direction of the annular part 2, the second supporting rod 515 is fixedly arranged at the end part of the first supporting rod 514 and is perpendicular to the first supporting rod 514, the two rotary cylinders 502 are respectively arranged at the end part of the second supporting rod 515, the second supporting rod 515 is provided with a strip hole 519 for installing the supporting shaft 506, the sliding block 516 is arranged on the first supporting rod 514 and has the freedom degree of movement along the length direction of the first supporting rod 514, and the connecting rod 517 is respectively hinged with the sliding block 516 and the supporting shaft 506; the two rotary cylinders 502 are moved toward or away from each other by the driving slider 516 reciprocating on the first support rod 514. In this embodiment, two cylinders 507 are installed at two ends of the second support bar 515 and located at two sides of the first support bar 514. The length direction of the elongated hole 519 is identical to the length direction of the second support bar 515. The sliding block 516 is sleeved on the first supporting rod 514 and is in sliding fit with the first supporting rod 514. By driving the sliding block 516 to slide along the length direction of the first supporting rod 514, the supporting shaft 506 slides along the length direction of the elongated hole 519 under the action of the connecting rod 517, so that the two cylindrical bodies 507 move close to or away from each other, and finally, the size of the cooling channel 504 is adjusted. The sliding block 516 is provided with a jackscrew 518 for limiting and fixing the sliding block 516.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. An intelligent optical digital audio wiring module, comprising:

the side wall of the shell is provided with an air outlet;

the annular piece is rotatably arranged on the outer wall of the shell, and the air outlet is communicated with an inner hole of the annular piece;

the air deflector is fixedly arranged on the annular piece and used for guiding hot air exhausted from the air outlet; and

the driving piece is arranged on the shell and used for driving the annular piece to rotate;

the air deflector comprises a fixed plate and a telescopic plate; the fixed plate is fixedly connected with the annular piece, and the telescopic plate is arranged on the fixed plate in a sliding manner; the expansion plate is pushed back or pulled out, so that the effective air guide area of the air guide plate can be reduced or enlarged;

the heat dissipation assembly is arranged between the annular piece and the air deflector;

the heat dissipation assembly comprises a support, a rotary cylinder and heat dissipation fins; the bracket is fixedly arranged on the air deflector, the rotary cylinder is rotatably arranged on the bracket, a rotary shaft of the rotary cylinder is vertical to the axial direction of the annular piece, and the radiating fins are arranged on the outer wall of the rotary cylinder;

the spoiler and the elastic supporting piece are arranged on the telescopic plate; an accommodating cavity for accommodating the spoiler is formed in one side, close to the rotary cylinder, of the telescopic plate, one end of the spoiler is hinged to the side wall of the accommodating cavity, and a hinged shaft of the spoiler is parallel to a rotary shaft of the rotary cylinder; the elastic supporting piece is a compression spring, and the compression spring is located between the spoiler and the side wall of the accommodating cavity and used for driving the spoiler to rotate outwards.

2. The module of claim 1, wherein the air guide plate is an arc plate, and a side of the arc plate near the air outlet is provided with an air guide arc surface protruding in a direction away from the air outlet.

3. The intelligent optical digital audio distribution module of claim 1, wherein the fixing plate is provided with an elastic knock pin, and the expansion plate is correspondingly provided with a limit groove which is in clamping fit with the elastic knock pin; the limiting grooves are multiple in number and are arranged along the length direction of the expansion plate.

4. The intelligent optical digital audio distribution module according to claim 1, wherein the number of the rotary cylinders is two; a cooling channel for passing hot air is formed between the two rotary drums.

5. The intelligent optical digital audio distribution module of claim 4, wherein a cooling cavity for containing a cooling liquid is arranged inside the rotary cylinder.

6. The intelligent optical digital audio distribution module of claim 5, wherein the rotary drum comprises a support shaft and a drum body; the supporting shaft is mounted on the support, the barrel is sleeved on the supporting shaft, the supporting shaft is provided with a water inlet channel and a water outlet channel, the water outlet channel is located in the center of the supporting shaft, and the water inlet channel is arranged around the outer side of the water outlet channel; the water inlet channel is communicated with the water outlet channel to form the cooling cavity.

7. The intelligent optical digital audio distribution module of claim 6, wherein the bracket comprises a first support bar, a second support bar, a slider and a link; the first supporting rod is fixedly installed on the air deflector and is arranged along the axial direction of the annular piece, the second supporting rod is fixedly installed at the end part of the first supporting rod and is perpendicular to the first supporting rod, the two cylinder bodies are respectively arranged at the end part of the second supporting rod, the second supporting rod is provided with a long-strip-shaped hole for installing the supporting shaft, the sliding block is installed on the first supporting rod and has freedom degree of movement along the length direction of the first supporting rod, and the connecting rod is respectively hinged with the sliding block and the supporting shaft;

the sliding block is driven to reciprocate on the first supporting rod, so that the two cylinder bodies are driven to mutually approach or separate.

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