CN110972452A

CN110972452A - All-pass communication filter structure

Info

Publication number: CN110972452A
Application number: CN201911254746.4A
Authority: CN
Inventors: 吴祥仁; 蔡华珠
Original assignee: Shenzhen Shengrui Communication Co ltd
Current assignee: Shenzhen Shengrui Communication Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-04-07
Anticipated expiration: 2039-12-10
Also published as: CN110972452B

Abstract

The invention relates to the technical field of filters, and discloses an all-pass communication filter structure which comprises a lower shell and an upper shell, wherein a lower extension plate is fixedly installed at the top of the outer side surface of the lower shell, an upper extension plate is fixedly installed at the bottom of the outer side surface of the upper shell, fixing pieces are fixedly connected with the outer side surfaces of the upper extension plate and the lower extension plate, and fixing grooves are formed in the inner side surfaces of the fixing pieces. This all-pass communication filter structure, through the heat conduction dish, the fan, fin and vent, make the fan rotate and driven inside air flow, when the air passes through the circuit board, can with circuit board surface contact, thereby take away partial heat, can transmit the heat part that the circuit board produced to the fin through the heat conduction dish simultaneously, through the area of contact of fin increase with the air, thereby thermal giving off has been accelerated, both cooperate each other, thereby make the inside radiating rate of wave filter fast, the damage of internal component and circuit has been avoided.

Description

All-pass communication filter structure

Technical Field

The invention relates to the technical field of filters, in particular to an all-pass communication filter structure.

Background

The all-pass communication filter is a kind of filter, has a flat frequency response, and can change the phase of an input signal, so the all-pass communication filter is mostly used as a delayer, a delay equalization, and the like, and plays an extremely important role in a communication system.

Present all lead to communication filter can give off the heat in the use, and current device adopts the radiating mode of louvre to come to radiate the heat of inside more, and passive radiating mode radiating effect is not obvious like this, leads to inside can be kept the higher state of temperature for a long time, and the time of having a specified duration can lead to the fact certain damage to the epidermis of inner line, leads to the fact the damage to inner circuit board etc. even to make all lead to communication filter can't continue normal use.

The current full lead to communication filter is formed by two upper and lower casings concatenations, then carries out fixed connection through a plurality of screws, when the inside trouble that breaks down of wave filter, need twist off screw one and just can separate shell from top to bottom, then twist back screw one during the installation again, lead to whole process comparatively loaded down with trivial details to more time has been wasted.

When the inside connecting wire of current full-pass communication filter is external, the connecting wire extends to the outside through walking the line hole, does not have around walking the line hole and can carry out fixed device to the connecting wire to when leading to outside connecting wire to rock, can cause the influence to the junction of inside connecting wire and circuit board, in the long term, can probably make the connecting wire between connecting wire and the circuit board not hard up or direct disconnection, thereby lead to the unable normal work that continues of wave filter.

Disclosure of Invention

The invention provides an all-pass communication filter structure which has the advantages of good heat dissipation effect, convenience in disassembly and stability in connection of connecting wires, and solves the problems of slow heat dissipation, trouble in disassembly and assembly and easiness in loosening of the connecting wires.

The invention provides the following technical scheme: a full-pass communication filter structure comprises a lower shell and an upper shell, wherein a lower extension plate is fixedly mounted at the top of the outer side surface of the lower shell, an upper extension plate is fixedly mounted at the bottom of the outer side surface of the upper shell, a fixing member is fixedly connected with the outer side surfaces of the upper extension plate and the lower extension plate, a fixing groove is formed in the inner side surface of the fixing member, the fixing groove is fixedly sleeved with the upper extension plate and the lower extension plate, the fixing member is fixedly sleeved with the lower extension plate and the upper extension plate through the fixing groove, first screw holes are formed in the front end of the top of the upper extension plate, the front end of the top of the lower extension plate and the front end of the top of the fixing member, a first screw is connected to the inner thread of each first screw hole, a circuit board is fixedly connected to the bottom inside of the lower shell, a heat conducting disc is fixedly connected, the top fixedly connected with fan of heat conduction dish, the vent has all been seted up to the left and right sides face of casing down, it has fixed sleeve to go up the equal fixed intercommunication in both ends about the casing leading flank, flexible hole has all been seted up at both ends about the fixed sleeve lateral surface, the inside fixed cover in flexible hole has connect the connecting rod, the medial extremity fixed mounting of connecting rod has the fixed plate, the outside end fixed mounting of connecting rod has the baffle, the lateral surface of connecting rod is fixed to be cup jointed and is located the inside spring of fixed sleeve.

Preferably, the four corners of the bottom inside the lower shell are fixedly provided with supporting blocks, the top of each supporting block and the top of the circuit board are provided with corresponding second screw holes, the inner threads of the second screw holes are connected with second screws, the circuit board and the supporting blocks are fixedly connected through the second screws, the outer side end of the top of each supporting block is fixedly provided with a limiting column, the top of the circuit board is provided with a limiting hole, and the limiting columns are fixedly sleeved with the limiting holes.

Preferably, the equal fixed mounting in both ends has the engaging lug about the end and the fan base lateral surface about all around of heat conduction dish lateral surface, corresponding third screw has all been seted up at the top of engaging lug and the top of circuit board, the medial surface threaded connection of third screw has the third screw, fan, heat conduction dish and circuit board pass through third screw fixed connection.

Preferably, the middle part of the top of the inner side face of the upper shell is fixedly provided with a protection plate positioned in the inner wall of the upper shell, the middle part of the top of the upper shell is fixedly provided with a gas collecting hood positioned below the protection plate, and the gas collecting hood is positioned right above the fan.

Preferably, the middle part of the outer side surface of the baffle is fixedly provided with a pull ring.

Preferably, the fixing plate is semicircular, and the length of the fixing plate is the same as that of the fixing sleeve.

Preferably, the shapes of the longitudinal sections of the telescopic hole and the connecting rod are rectangular, and the size value of the rectangular shape of the telescopic hole is larger than that of the rectangular shape of the longitudinal section of the connecting rod.

Preferably, the front, back, left and right sides of the circuit board are not in contact with the inner wall of the lower shell.

Preferably, the bottom ends of the front side face and the rear side face of the lower shell are fixedly provided with fixing lugs.

The invention has the following beneficial effects:

1. this all-pass communication filter structure, through the heat conduction dish, the fan, fin and vent, make the fan rotate and driven inside air flow, when the air passes through the circuit board, can with circuit board surface contact, thereby take away partial heat, can transmit the heat part that the circuit board produced to the fin through the heat conduction dish simultaneously, through the area of contact of fin increase with the air, thereby thermal giving off has been accelerated, both cooperate each other, thereby make the inside radiating rate of wave filter fast, the damage of internal component and circuit has been avoided.

2. This all-pass communication filter structure, through last extension board, lower extension board, mounting, fixed slot and first screw, make can cup joint fixedly through last extension board after the fixed slot on the mounting to the concatenation with lower extension board, then cup joint the end at the mounting and use first screw with the mounting with extend from top to bottom fixed, thereby only need when making the installation dismantle unscrew about two first screws can, it is too much to have avoided screw quantity, waste time and the loaded down with trivial details problem of process when leading to dismantling.

3. This all-pass communication filter structure, through fixed plate, fixed sleeve, spring and connecting rod for can exert pressure to controlling the fixed plate through the compression of spring, thereby make two fixed plates extrude each other, and then realize the fixed to the connecting wire, the electric wire after having avoided connecting rocks at will and leads to the internal connection not hard up, thereby produces the influence to the normal use of wave filter.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the upper and lower housings of the present invention;

FIG. 3 is a diagram illustrating a connection relationship between a fan and a circuit board according to the present invention;

FIG. 4 is a view showing the connection of the upper and lower housings according to the present invention;

FIG. 5 is a schematic view of the structure of the fixing sleeve of the present invention;

FIG. 6 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

FIG. 7 is an enlarged view of the invention at B in FIG. 2.

In the figure: 1. a lower housing; 2. an upper housing; 3. a protection plate; 4. a fixing member; 5. a lower extension plate; 6. an upper extension plate; 7. fixing the sleeve; 8. a first screw; 9. fixing the ear; 10. a vent; 11. a first screw hole; 12. fixing grooves; 13. a gas-collecting hood; 14. a circuit board; 15. a heat sink; 16. a fan; 17. a support block; 18. a third screw hole; 19. a second screw; 20. a limiting hole; 21. a second screw hole; 22. a limiting column; 23. a third screw; 24. a heat conducting plate; 25. connecting lugs; 26. a telescopic hole; 27. a fixing plate; 28. a connecting rod; 29. a spring; 30. a baffle plate; 31. and (4) a pull ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, an all-pass communication filter structure includes a lower housing 1 and an upper housing 2, a lower extending plate 5 is fixedly installed on the top of the outer side of the lower housing 1, an upper extending plate 6 is fixedly installed on the bottom of the outer side of the upper housing 2, a fixing member 4 is fixedly connected to the outer sides of the upper extending plate 6 and the lower extending plate 5, a fixing groove 12 is formed on the inner side of the fixing member 4, the fixing groove 12 is fixedly sleeved with the upper extending plate 6 and the lower extending plate 5, the fixing member 4 is fixedly sleeved with the lower extending plate 5 and the upper extending plate 6 through the fixing groove 12, a first screw hole 11 is formed on the front end of the top of the upper extending plate 6, the front end of the top of the lower extending plate 5 and the front end of the top of the fixing member 4, a first screw 8 is connected to the inner thread of the first screw hole 11, a circuit board 14 is fixedly connected to the, the outside surface fixed mounting of heat conduction dish 24 has fin 15, the top fixedly connected with fan 16 of heat conduction dish 24, vent 10 has all been seted up to the left and right sides face of lower casing 1, both ends are all fixed the intercommunication to go up casing 2 front surface's the left and right sides face have fixed sleeve 7, both ends have all been seted up flexible hole 26 about the fixed sleeve 7 outside face, the fixed cover in inside of flexible hole 26 has connect connecting rod 28, the medial extremity fixed mounting of connecting rod 28 has fixed plate 27, the outside end fixed mounting of connecting rod 28 has baffle 30, the outside face fixed cup joint of connecting rod 28 has the spring 29 that is located the inside of fixed sleeve 7.

Wherein, the equal fixed mounting in four corners of the inside bottom of lower casing 1 has supporting shoe 17, corresponding second screw 21 has all been seted up at the top of supporting shoe 17 and the top of circuit board 14, the inside threaded connection of second screw 21 has second screw 19, circuit board 14 passes through second screw 19 fixed connection with supporting shoe 17, the outside end fixed mounting at supporting shoe 17 top has spacing post 22, spacing hole 20 has been seted up at the top of circuit board 14, spacing post 22 cup joints with spacing hole 20 is fixed, it is unsettled to make the bottom of circuit board 14 through installation supporting shoe 17, and then the area of contact with the air has been increased, thereby circuit board 14's cooling has been accelerated, in addition, installation spacing post 22 makes when installing circuit board 14, can conveniently find accurate position, fix circuit board 14.

Wherein, the equal fixed mounting in both ends has engaging lug 25 about the front and back of 24 lateral surfaces of heat conduction dish and the fan 16 base lateral surface, corresponding third screw 18 has all been seted up at the top of engaging lug 25 and the top of circuit board 14, the medial surface threaded connection of third screw 18 has third screw 23, fan 16, heat conduction dish 24 and circuit board 14 pass through third screw 23 fixed connection, through third screw 23 to fan 16, heat conduction dish 24 and circuit board 14 carry out fixed connection, make the later stage conveniently overhaul the change to fan 16 and heat conduction dish 24.

Wherein, the middle part fixed mounting who goes up 2 medial surfaces tops of casing has the guard plate 3 that is arranged in 2 inner walls of last casing, and the middle part fixed mounting who goes up 2 tops of casing has the gas collecting channel 13 that is arranged in 3 below of guard plate, and gas collecting channel 13 is located fan 16 directly over, can collect the discharge with the steam that fan 16 blew out through gas collecting channel 13, has avoided under blowing of fan 16, and steam continues the diffusion in inside to radiating effect has been reduced.

Wherein, the middle part fixed mounting of baffle 30 lateral surface has pull ring 31, and under spring 29's effect, baffle 30 closely laminates with the outer wall of fixed sleeving 7 to make inconvenient pulling baffle 30, through installation pull ring 31, thereby can conveniently stimulate connecting rod 28 and make fixed plate 27 retreat, make the connecting wire can follow and pass between two fixed plates 27, thereby realize the fixed to the connecting wire.

Wherein, the shape of fixed plate 27 is half circular ring shape, and the length of fixed plate 27 is the same with the length of fixed sleeve 7 for fixed plate 27 can be with the laminating more of connecting wire, thereby makes the fixed more firm of connecting wire.

Wherein, the shape of the longitudinal section of the telescopic hole 26 and the connecting rod 28 is rectangular, so that the connecting rod 28 cannot rotate when being sleeved in the telescopic hole 26, thereby avoiding the situation that the fixing plate 27 is deviated to cause the fixing of the connecting wire, and the size value of the rectangular section of the telescopic hole 26 is larger than that of the rectangular section of the connecting rod 28.

Wherein, the front, back, left and right sides of the circuit board 14 are not contacted with the inner wall of the lower casing 1, so that the gas between the upper and lower parts inside can circulate, thereby accelerating the heat dissipation inside.

Wherein, the bottom fixed mounting of lower casing 1 front and back both sides face has fixed ear 9, has made things convenient for filter and other devices of mutually supporting to be connected fixedly through fixed ear 9.

The working principle is as follows:

when installing last casing 2 and lower casing 1, splice both, then make and go up extension board 6 and extension board 5 and fixed slot 12 fixed cup joint down, rethread first screw 8 is fixed, it can produce the heat to pass through communication filter in the use entirely, take fan 16 to rotate and drive inside gas flow, thereby make the hot gas flow discharge from guard plate 3, and simultaneously, the heat that circuit board 14 produced transmits to fin 15 through heat conduction dish 24 on, fin 15 is big with the area of contact of air, thereby make radiating speed faster, when interior device is connected with being connected, pulling pull ring 31 makes the connecting wire can follow and pass between two fixed plates 27, then open pull ring 31, under spring 29's effect, two fixed plates 27 mutual extrusion, thereby realize the fixed to the connecting wire.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An all-pass communication filter structure, includes casing (1) and last casing (2) down, its characterized in that: the top of the outer side surface of the lower shell (1) is fixedly provided with a lower extension plate (5), the bottom of the outer side surface of the upper shell (2) is fixedly provided with an upper extension plate (6), the outer side surfaces of the upper extension plate (6) and the lower extension plate (5) are fixedly connected with a fixing piece (4), the inner side surface of the fixing piece (4) is provided with a fixing groove (12), the fixing groove (12) is fixedly sleeved with the upper extension plate (6) and the lower extension plate (5), the fixing piece (4) is fixedly sleeved with the lower extension plate (5) and the upper extension plate (6) through the fixing groove (12), the front end of the top of the upper extension plate (6), the front end of the top of the lower extension plate (5) and the front end of the top of the fixing piece (4) are respectively provided with a first screw hole (11), the internal thread of the first screw hole (11) is connected with a first screw (8), the bottom of the interior of the lower shell, the middle part of the top of the circuit board (14) is fixedly connected with a heat conduction disc (24), the outer side surface of the heat conduction disc (24) is fixedly provided with a radiating fin (15), the top of the heat conducting disc (24) is fixedly connected with a fan (16), the left side surface and the right side surface of the lower shell (1) are both provided with air vents (10), the left end and the right end of the front side surface of the upper shell (2) are both fixedly communicated with a fixed sleeve (7), telescopic holes (26) are respectively arranged at the left end and the right end of the outer side surface of the fixed sleeve (7), a connecting rod (28) is fixedly sleeved in the telescopic hole (26), a fixing plate (27) is fixedly installed at the inner side end of the connecting rod (28), the outer side end of the connecting rod (28) is fixedly provided with a baffle (30), and the outer side surface of the connecting rod (28) is fixedly sleeved with a spring (29) positioned inside the fixed sleeve (7).

2. An all-pass communication filter structure according to claim 1, characterized in that: the improved structure of the circuit board is characterized in that supporting blocks (17) are fixedly mounted at four corners of the bottom inside the lower shell (1), corresponding second screw holes (21) are formed in the tops of the supporting blocks (17) and the top of the circuit board (14), second screws (19) are connected to the inner threads of the second screw holes (21), the circuit board (14) and the supporting blocks (17) are fixedly connected through the second screws (19), limiting columns (22) are fixedly mounted at the outer side ends of the tops of the supporting blocks (17), limiting holes (20) are formed in the tops of the circuit board (14), and the limiting columns (22) are fixedly sleeved with the limiting holes (20).

3. An all-pass communication filter structure according to claim 1, characterized in that: all fixed mounting have engaging lug (25) at the end and fan (16) base lateral surface about the end all around of heat conduction dish (24) lateral surface and the equal fixed mounting in both ends about, corresponding third screw (18) have all been seted up at the top of engaging lug (25) and the top of circuit board (14), the medial surface threaded connection of third screw (18) has third screw (23), fan (16), heat conduction dish (24) and circuit board (14) pass through third screw (23) fixed connection.

4. An all-pass communication filter structure according to claim 1, characterized in that: the middle part of the top of the upper shell (2) is fixedly provided with a protection plate (3) positioned in the inner wall of the upper shell (2), the middle part of the top of the inner side surface of the upper shell (2) is fixedly provided with a gas collecting hood (13) positioned below the protection plate (3), and the gas collecting hood (13) is positioned right above the fan (16).

5. An all-pass communication filter structure according to claim 1, characterized in that: and a pull ring (31) is fixedly arranged in the middle of the outer side surface of the baffle plate (30).

6. An all-pass communication filter structure according to claim 1, characterized in that: the fixing plate (27) is semicircular, and the length of the fixing plate (27) is the same as that of the fixing sleeve (7).

7. An all-pass communication filter structure according to claim 1, characterized in that: the longitudinal sections of the telescopic holes (26) and the connecting rods (28) are rectangular, and the size value of the rectangle of the telescopic holes (26) is larger than that of the rectangle of the longitudinal sections of the connecting rods (28).

8. An all-pass communication filter structure according to claim 1, characterized in that: the front, back, left and right sides of the circuit board (14) are not in contact with the inner wall of the lower shell (1).

9. An all-pass communication filter structure according to claim 1, characterized in that: and the bottom ends of the front side surface and the rear side surface of the lower shell (1) are fixedly provided with fixing lugs (9).