CN219591629U

CN219591629U - Lightning protection mechanism of combiner

Info

Publication number: CN219591629U
Application number: CN202321423025.3U
Authority: CN
Inventors: 陈伟; 张满意; 施皓文; 吴金辉
Original assignee: Nanjing Runchen Electronic Technology Co ltd
Current assignee: Nanjing Runchen Electronic Technology Co ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-08-25
Anticipated expiration: 2033-06-06

Abstract

The utility model relates to a lightning protection mechanism of a combiner, which comprises a combiner body, wherein a protective shell is arranged outside the combiner body, mounting blocks are fixed on the left side wall and the right side wall of an inner cavity of the protective shell, a lightning protection component is arranged on the inner bottom wall of the protective shell, and a heat dissipation component is arranged on the left side wall of the inner cavity of the protective shell. This lightning protection mechanism of combiner has set up lightning protection subassembly in the lightning protection mechanism of this combiner, mutually support between each structure in the lightning protection subassembly, through setting up conductive metal strip, electric wire and insulation board, can reduce the thunder and lightning and bring to the circuit breaker body, can pass the electric current to earth connection department with the electric current through conductive metal strip, by electric wire conduction to ground again, make this combiner have the function of lightning protection, solved because the combiner is installed outdoors, receive the attack of bad weather such as thunder and lightning easily and cause the combiner to damage, can influence the problem of the normal work of combiner.

Description

Lightning protection mechanism of combiner

Technical Field

The utility model relates to the technical field of a combiner, in particular to a lightning protection mechanism of the combiner.

Background

In a wireless communication system, a combiner mainly combines input signals of multiple frequency bands together and outputs the signals to the same indoor distribution system, the combiner is generally used for a transmitting end and is used for combining two or more radio frequency signals sent from different transmitters into a radio frequency device which is sent to an antenna for transmitting, meanwhile, the mutual influence among signals of all ports is avoided, and the combiner is generally provided with two or more input ports and only one output port.

In chinese patent CN212783730U, a three-frequency combiner is disclosed, including the combiner body, the both sides fixedly connected with port of combiner body, the inside fixedly connected with sleeve of combiner body, telescopic inside cup joints the screw section of thick bamboo, the bottom fixedly connected with fixed foot of screw section of thick bamboo, the draw-in groove has been seted up at the top of fixed foot, the seal groove has been seted up at the top of combiner body, the advantage of the utility model lies in that through the cooperation setting of combiner body, sleeve, screw section of thick bamboo, fixed foot, draw-in groove, top cap, drum and screw, the inconvenient condition of dismantling of combiner body has been solved to the connected mode of current combiner body, through the cooperation setting of combiner body, seal groove, seal piece, top cap, drum, screw, sealing post and apron, the sealing performance of combiner body can be improved, the poor circumstances of waterproof leakproofness of current combiner body has been solved.

The connecting mode of the combiner body can be simplified, the problem that the existing combiner body is inconvenient to detach is solved, meanwhile, the sealing performance of the combiner body can be improved, the problem that the existing combiner body is poor in waterproof sealing performance is solved, but the combiner is easy to damage due to the fact that the combiner is installed outdoors and is easy to be struck by severe weather such as lightning, normal work of the combiner can be affected, and the lightning protection mechanism of the combiner is provided for solving the problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a lightning protection mechanism of a combiner, which has the advantage of reducing the influence caused by lightning, and solves the problem that the normal work of the combiner is influenced due to the fact that the combiner is installed outdoors and is easily damaged by severe weather such as the attack of the lightning.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the lightning protection mechanism of the combiner comprises a combiner body, wherein a protective shell is arranged outside the combiner body, mounting seats are fixed on the left side wall and the right side wall of an inner cavity of the protective shell, a lightning protection component is arranged on the inner bottom wall of the protective shell, and a heat dissipation component is arranged on the left side wall of the inner cavity of the protective shell;

the lightning protection assembly comprises a conductive metal strip fixed on the inner bottom wall of a protective shell, the other end of the conductive metal strip is fixed on the lower surface of the conductive metal strip, the conductive metal strip penetrates through and extends to a grounding wire below the protective shell, insulating plates are fixed on the left side and the right side of the combiner body, a connecting plate is fixed on one side of the insulating plate far away from the combiner body, and connecting bolts are connected to the front threads of the connecting plate.

Further, a thread groove is formed in the front face of the mounting seat, and the thread groove is in threaded connection with the connecting bolt.

Further, the connecting plate is located the front side of mount pad, the shape of protective housing is inside hollow cuboid.

Further, the number of the connecting bolts is six, and the front face of the connecting plate is provided with a threaded through hole in threaded connection with the connecting bolts.

Further, the radiating component comprises a temperature sensor arranged on the left side wall of the inner cavity of the protective shell, a communication port is formed in the upper surface of the protective shell, two mounting blocks are fixed on the inner top wall of the protective shell, a fan is arranged between two opposite sides of the mounting blocks, and a radiating hole is formed in the lower surface of the protective shell.

Further, the inside of intercommunication mouth can be dismantled and is connected with first dust guard, the inside of louvre can be dismantled and be connected with the second dust guard.

Further, the number of the radiating holes is not less than two, and the radiating holes with the number not less than two are uniformly distributed on the lower surface of the protective shell.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

1. this lightning protection mechanism of combiner has set up lightning protection subassembly in the lightning protection mechanism of this combiner, mutually support between each structure in the lightning protection subassembly, through setting up conductive metal strip, electric wire and insulation board, can reduce the thunder and lightning and bring to the circuit breaker body, can pass the electric current to earth connection department with the electric current through conductive metal strip, by electric wire conduction to ground again, make this combiner have the function of lightning protection, solved because the combiner is installed outdoors, receive the attack of bad weather such as thunder and lightning easily and cause the combiner to damage, can influence the problem of the normal work of combiner.

2. This lightning protection mechanism of combiner has set up the radiator unit in this lightning protection mechanism of combiner, mutually support through each structure in the radiator unit, through setting up temperature sensor, intercommunication mouth, louvre and fan, has realized the air-cooled heat dissipation to the protective housing inside, prevents that the temperature of combiner when the operation is too high, has guaranteed the normal operating of this combiner.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a lightning protection assembly of the present utility model;

fig. 3 is a schematic view of a heat dissipating assembly according to the present utility model.

In the figure: the circuit breaker comprises a circuit breaker body 1, a protective shell 2, a mounting seat 3, a lightning protection component 4, a conductive metal strip 401, a grounding wire 402, an insulating plate 403, a connecting plate 404, a connecting bolt 405, a heat dissipation component 5, a temperature sensor 501, a communication port 502, a mounting block 503, a fan 504 and a heat dissipation hole 505.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, a lightning protection mechanism of a combiner in the present embodiment includes a combiner body 1, a protective shell 2 is provided outside the combiner body 1, mounting bases 3 are fixed on left and right sidewalls of an inner cavity of the protective shell 2, a lightning protection component 4 is provided on an inner bottom wall of the protective shell 2, and a heat dissipation component 5 is provided on a left sidewall of the inner cavity of the protective shell 2.

It should be noted that the components of the present utility model are all common standard components or components known to those skilled in the art, and the structures and principles thereof are all known to those skilled in the art through technical manuals or through routine experimental methods.

Referring to fig. 2, in order to make the combiner have a lightning protection function, the lightning protection component 4 in this embodiment includes a conductive metal strip 401 fixed to the inner bottom wall of the protective shell 2, a ground wire 402 extending to the lower side of the protective shell 2 and penetrating through the other end is fixed to the lower surface of the conductive metal strip 401, insulating plates 403 are fixed to the left and right sides of the combiner body 1, the insulating plates 403 play a role in blocking current, a connecting plate 404 is fixed to one side of the insulating plates 403 away from the combiner body 1, and a connecting bolt 405 is screwed to the front surface of the connecting plate 404.

The front of mount pad 3 has seted up the thread groove, and the thread groove is threaded with connecting bolt 405.

The connecting plate 404 is located at the front side of the mounting seat 3, and the protective housing 2 is in the shape of a cuboid with a hollow interior.

Referring to fig. 3, in order to cool the air inside the protective housing 2, the heat dissipation assembly 5 in this embodiment includes a temperature sensor 501 installed on the left side wall of the inner cavity of the protective housing 2, the model of the temperature sensor 501 is IT-5, a communication port 502 is formed on the upper surface of the protective housing 2, two mounting blocks 503 are fixed on the inner top wall of the protective housing 2, a fan 504 is installed between opposite sides of the two mounting blocks 503, and a heat dissipation hole 505 is formed on the lower surface of the protective housing 2.

The inside of the communication port 502 is detachably connected with a first dust-proof plate, the inside of the heat dissipation hole 505 is detachably connected with a second dust-proof plate, and the first dust-proof plate and the second dust-proof plate play a role in preventing external dust from entering the protective housing 2.

The number of the heat dissipation holes 505 is not less than two, and the heat dissipation holes 505 of not less than two are uniformly distributed on the lower surface of the protective case 2.

The present utility model is not described in detail, the master controller can be a conventional known device for controlling a computer, etc., the control circuit of the master controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common general knowledge in the art, and the present utility model is mainly used for protecting mechanical devices, so the present utility model does not explain the control mode and circuit connection in detail.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

If the utility model discloses or relates to components or structures fixedly connected with each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).

The working principle of the embodiment is as follows:

(1) When the combiner body 1 operates, the combiner body 1 generates certain heat, the heat can leave the protective housing 2 from the communication port 502 and the heat dissipation hole 505, the first dust-proof plate and the second dust-proof plate play a role in preventing external dust from entering the protective housing 2, when the temperature inside the protective housing 2 is too high, the temperature sensor 501 senses the abnormal temperature and sends a signal to the controller, the controller controls the fan 504 to start, and after the fan 504 starts, downward wind power is generated, and the wind blows the heat inside the protective housing 2 downwards.

(2) Finally, heat is taken away from the protective housing 2 from the radiating holes 505, the air flow rate inside the protective housing 2 is accelerated, and then the air cooling heat dissipation to the combiner body 1 is realized, normal operation of the combiner body 1 is guaranteed, when the protective housing 2 is hit by thunder and lightning in thunder and rain weather, current is conducted to the grounding wire 402 through the conductive metal strip 401, finally, the current is conducted to the ground, the influence of thunder and lightning to the combiner body 1 is reduced, meanwhile, the two insulating plates 403 can effectively block the current from being conducted to the combiner body 1, and then the combiner has the lightning protection function.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a lightning protection mechanism of combiner, includes combiner body (1), its characterized in that: the novel lightning protection combiner is characterized in that a protective shell (2) is arranged outside the combiner body (1), mounting seats (3) are fixed on the left side wall and the right side wall of an inner cavity of the protective shell (2), a lightning protection component (4) is arranged on the inner bottom wall of the protective shell (2), and a heat dissipation component (5) is arranged on the left side wall of the inner cavity of the protective shell (2);

the lightning protection assembly (4) comprises a conductive metal strip (401) fixed on the inner bottom wall of the protective shell (2), the other end of the conductive metal strip (401) is fixedly arranged on the lower surface of the conductive metal strip and penetrates through the ground wire (402) extending to the lower portion of the protective shell (2), insulating plates (403) are fixedly arranged on the left side and the right side of the combiner body (1), a connecting plate (404) is fixedly arranged on one side, far away from the combiner body (1), of the insulating plates (403), and connecting bolts (405) are connected with the front side of the connecting plate in a threaded mode.

2. The lightning protection mechanism of a combiner according to claim 1, wherein: the front of the mounting seat (3) is provided with a thread groove, and the thread groove is in threaded connection with the connecting bolt (405).

3. The lightning protection mechanism of a combiner according to claim 1, wherein: the connecting plate (404) is positioned at the front side of the mounting seat (3), and the shape of the protective shell (2) is a cuboid with a hollow inside.

4. The lightning protection mechanism of a combiner according to claim 1, wherein: the number of the connecting bolts (405) is six, and the front surface of the connecting plate (404) is provided with threaded through holes which are in threaded connection with the connecting bolts (405).

5. The lightning protection mechanism of a combiner according to claim 1, wherein: the heat dissipation assembly (5) comprises a temperature sensor (501) arranged on the left side wall of an inner cavity of the protective shell (2), a communication port (502) is formed in the upper surface of the protective shell (2), two mounting blocks (503) are fixed on the inner top wall of the protective shell (2), a fan (504) is arranged between one opposite sides of the mounting blocks (503), and a heat dissipation hole (505) is formed in the lower surface of the protective shell (2).

6. The lightning protection mechanism of the combiner according to claim 5, wherein: the inside of intercommunication mouth (502) can be dismantled and be connected with first dust guard, the inside of louvre (505) can be dismantled and be connected with the second dust guard.

7. The lightning protection mechanism of the combiner according to claim 5, wherein: the number of the radiating holes (505) is not less than two, and the radiating holes (505) with the number not less than two are uniformly distributed on the lower surface of the protective shell (2).