CN111787741B

CN111787741B - Low-voltage 4G full-network general leakage protection controller

Info

Publication number: CN111787741B
Application number: CN202010781242.4A
Authority: CN
Inventors: 瞿圆圆
Original assignee: Zhejiang Miduo Automation Co ltd
Current assignee: Zhejiang Miduo Automation Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2024-05-17
Anticipated expiration: 2040-07-31
Also published as: CN111787741A

Abstract

The invention relates to the technical field of leakage protection controllers and discloses a low-voltage 4G full-network leakage protection controller, which comprises a shell, wherein a cover plate is arranged on the upper surface of the shell, a circuit board body is arranged in the shell, clamping blocks are fixedly connected to the upper side and the lower side of the circuit board body, and supporting frames are fixedly connected to the bottom of the cover plate and the bottom of the inner wall of the shell. According to the invention, the shell, the cover plate, the through hole, the locking mechanism, the support column, the spring and the clamping groove are arranged, wherein the L-shaped clamping plate plays a limiting role on the cover plate, the L-shaped clamping plate is inserted into the clamping groove, the cover plate can be fixed on the shell through the L-shaped clamping plate, when a user needs to maintain a circuit board body in the shell, the L-shaped clamping plate can be separated from the cover plate by pulling and rotating the L-shaped clamping plate, and at the moment, the cover plate can be detached from the shell, so that the user can conveniently disassemble, assemble and maintain the circuit board body in the shell.

Description

Low-voltage 4G full-network general leakage protection controller

Technical Field

The invention relates to the technical field of leakage protection controllers, in particular to a low-voltage 4G full-network leakage protection controller.

Background

At present, the full network of low pressure 4G on the market leads to and leaks and protects the controller, and the shell is fixed about will mostly through the bolt, when maintaining the circuit board in the controller is protected to the hourglass, often because mishandling leads to the bolt smooth silk, can't carry out quick assembly disassembly to upper and lower shell, reduces the work efficiency of maintenance.

Disclosure of Invention

The invention aims to solve the defects existing in the prior art, such as: when the circuit board in the leakage protection controller is maintained, the bolt is often slipped due to improper operation, the upper shell and the lower shell cannot be quickly disassembled and assembled, the maintenance working efficiency is reduced, and the low-voltage 4G full-network leakage protection controller is provided.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the utility model provides a full net of low pressure 4G leads to leakage protection controller, includes the shell, the upper surface of shell is provided with the apron, the inside of shell is provided with the circuit board body, the equal fixedly connected with fixture block in upper and lower both sides of circuit board body, the equal fixedly connected with support frame in the bottom of apron and the bottom of shell inner wall, the surface of support frame and the inner wall contact of fixture block.

The novel anti-theft lock is characterized in that through holes are formed in the left side and the right side of the shell, the inner wall of each through hole is connected with a locking mechanism in a sliding mode, support columns are fixedly connected with the left side and the right side of the inner wall of the shell, springs are sleeved on the surfaces of the support columns, the surfaces of the springs are in contact with the surfaces of the locking mechanisms, clamping grooves are formed in the upper surface of the cover plate, and the inner walls of the clamping grooves are in contact with the surfaces of the locking mechanisms.

Preferably, the locking mechanism comprises an L-shaped clamping plate, a groove is formed in the bottom of the L-shaped clamping plate, rotating shafts are fixedly connected to the front side and the rear side of the inner wall of the groove, connecting frames are fixedly connected to the surface of the rotating shafts and the inner wall of the groove in a sliding mode, a sliding column is fixedly connected to one side, close to the shell, of the connecting frames, the surface of the sliding column is in contact with the inner wall of the through hole, a baffle ring is fixedly connected to the surface of the sliding column, the baffle ring is located inside the shell, the surface of the baffle ring is in contact with the surface of the spring, and the left side and the right side of the shell are in contact with the surface of the L-shaped clamping plate.

Preferably, the number of the locking mechanisms is four, and the four locking mechanisms are symmetrically distributed by taking the circuit board body as the center.

Preferably, the first louvre has all been seted up to the left and right sides of shell, first louvre is located between the front and back through-hole, the equal fixedly connected with L shape limiting plate in the left and right sides of shell inner wall, L shape limiting plate is located between first louvre and the through-hole, the surface of L shape limiting plate and the left and right sides of shell inner wall all laminate and are provided with the dust screen.

Preferably, the second heat dissipation hole has been seted up to the upper surface of apron, the bottom of apron is through screw fixedly connected with collar, the inner wall fixedly connected with fin of collar, the surface of fin and the inner wall contact of second heat dissipation hole.

Preferably, the gap between the radiating fin and the circuit board body is 5mm.

Compared with the prior art, the invention has the beneficial effects that:

(1) According to the invention, the shell, the cover plate, the through hole, the locking mechanism, the support column, the spring and the clamping groove are arranged, wherein the L-shaped clamping plate plays a limiting role on the cover plate, the L-shaped clamping plate is inserted into the clamping groove, the cover plate can be fixed on the shell through the L-shaped clamping plate, when a user needs to maintain a circuit board body in the shell, the L-shaped clamping plate can be separated from the cover plate by pulling and rotating the L-shaped clamping plate, at the moment, the cover plate can be detached from the shell, so that the user can conveniently disassemble, assemble and maintain the circuit board body in the shell, meanwhile, the support column plays a supporting role on the spring, the spring and the support column can be freely separated, and when the spring is damaged, the spring can be detached from the support column through compressing the spring, thereby being convenient for the user to replace the damaged spring.

(2) According to the invention, the heat generated by the circuit board body during operation is absorbed by the radiating fins arranged on the cover plate, so that the temperature of the circuit board body during operation is effectively reduced by the radiating fins, the circuit board body is prevented from being overheated and damaged, and meanwhile, dust can be prevented from entering the shell through the first radiating holes and being adsorbed on the circuit board body by the dustproof net, so that the normal heat dissipation of the circuit board body is influenced.

Drawings

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

FIG. 2 is a cross-sectional view taken at B-B of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of the invention at A in FIG. 1;

Fig. 4 is an enlarged view of fig. 2 at C in accordance with the present invention.

In the figure: 1. a housing; 2. a cover plate; 3. a circuit board body; 4. a clamping block; 5. a support frame; 6. a through hole; 7. a locking mechanism; 71. an L-shaped clamping plate; 72. a groove; 73. a rotating shaft; 74. a connecting frame; 75. a spool; 76. a baffle ring; 8. a support column; 9. a spring; 10. a clamping groove; 11. a first heat radiation hole; 12. an L-shaped limiting plate; 13. a dust screen; 14. a second heat radiation hole; 15. a mounting ring; 16. a heat sink.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments.

In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Referring to fig. 1-4, a low-voltage 4G full-network leakage protection controller comprises a housing 1, wherein a cover plate 2 is arranged on the upper surface of the housing 1, a circuit board body 3 is arranged in the housing 1, clamping blocks 4 are fixedly connected to the upper side and the lower side of the circuit board body 3, a supporting frame 5 is fixedly connected to the bottom of the cover plate 2 and the bottom of the inner wall of the housing 1, and the surface of the supporting frame 5 is in contact with the inner wall of the clamping blocks 4.

Through holes 6 are formed in the left side and the right side of the shell 1, locking mechanisms 7 are slidably connected to the inner walls of the through holes 6, supporting columns 8 are fixedly connected to the left side and the right side of the inner walls of the shell 1, springs 9 are sleeved on the surfaces of the supporting columns 8, the surfaces of the springs 9 are in contact with the surfaces of the locking mechanisms 7, clamping grooves 10 are formed in the upper surface of the cover plate 2, and the inner walls of the clamping grooves 10 are in contact with the surfaces of the locking mechanisms 7.

The locking mechanism 7 comprises an L-shaped clamping plate 71, a groove 72 is formed in the bottom of the L-shaped clamping plate 71, rotating shafts 73 are fixedly connected to the front side and the rear side of the inner wall of the groove 72, connecting frames 74 are slidably connected to the surface of the rotating shafts 73 and the inner wall of the groove 72, sliding columns 75 are fixedly connected to one side, close to the shell 1, of the connecting frames 74, the surface of the sliding columns 75 is in contact with the inner wall of the through hole 6, retaining rings 76 are fixedly connected to the surface of the sliding columns 75, the retaining rings 76 are located in the shell 1, the surface of the retaining rings 76 is in contact with the surface of the springs 9, the minimum length of the springs 9 is smaller than the maximum distance between the supporting columns 8 and the retaining rings 76, the number of the locking mechanisms 7 is four, the four locking mechanisms 7 are symmetrically distributed with the circuit board body 3 as the center, the left side and the right side of the shell 1 are in contact with the surface of the L-shaped clamping plate 71, the L-shaped clamping plate 71 can be in contact with the shell 1 through the springs 9, and the L-shaped clamping plate 71 cannot rotate freely.

The first louvre 11 has all been seted up to the left and right sides of shell 1, first louvre 11 is located around between the through-hole 6, the equal fixedly connected with L shape limiting plate 12 in the left and right sides of shell 1 inner wall, L shape limiting plate 12 is located between first louvre 11 and the through-hole 6, the surface of L shape limiting plate 12 and the left and right sides of shell 1 inner wall all laminate and are provided with dust screen 13, with dust screen 13 card on shell 1 through L shape limiting plate 12, and through setting up dust screen 13 can prevent that the dust from getting into shell 1 and adsorbing on circuit board body 3 through first louvre 11, make the normal heat dissipation of circuit board body 3 receive the influence.

The second louvre 14 has been seted up to the upper surface of apron 2, the bottom of apron 2 is through screw fixedly connected with collar 15, the inner wall fixedly connected with fin 16 of collar 15, the surface of fin 16 and the inner wall contact of second louvre 14, the clearance is 5mm between fin 16 and the circuit board body 3, absorb the heat that the circuit board body 3 during operation produced through setting up fin 16 on apron 2, and then effectively reduce the temperature of circuit board body 3 during operation through fin 16, prevent that circuit board body 3 from overheating and damaging.

In the invention, when a user uses the device, the circuit board body 3 is placed in the shell 1, the clamping block 4 is contacted with the supporting frame 5, at the moment, the circuit board body 3 is clamped in the shell 1 through the matching of the clamping block 4 and the supporting frame 5, the cover plate 2 is placed on the shell 1, the clamping groove 10 is aligned with the L-shaped clamping plate 71 through the matching of the clamping block 4 and the supporting frame 5, finally, the L-shaped clamping plate 71 is pulled and rotated, the L-shaped clamping plate 71 is inserted into the clamping groove 10, at the moment, the cover plate 2 can be fixed on the shell 1 through the L-shaped clamping plate 71, when the user needs to repair the circuit board body 3 in the shell 1, the L-shaped clamping plate 71 can be separated from the cover plate 2 through pulling and rotating the L-shaped clamping plate 71, and at the moment, the cover plate 2 can be detached from the shell 1.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

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.

Claims

1. The utility model provides a full network of low pressure 4G leads to leakage protection controller, includes shell (1), its characterized in that, the upper surface of shell (1) is provided with apron (2), the inside of shell (1) is provided with circuit board body (3), the upper and lower both sides of circuit board body (3) all are fixedly connected with fixture block (4), the bottom of apron (2) and the bottom of shell (1) inner wall all are fixedly connected with support frame (5), the surface of support frame (5) contacts with the inner wall of fixture block (4);

The novel anti-theft lock is characterized in that through holes (6) are formed in the left side and the right side of the shell (1), the inner wall of the through holes (6) is connected with a locking mechanism (7) in a sliding mode, support columns (8) are fixedly connected to the left side and the right side of the inner wall of the shell (1), springs (9) are sleeved on the surfaces of the support columns (8), the surfaces of the springs (9) are in contact with the surfaces of the locking mechanism (7), clamping grooves (10) are formed in the upper surface of the cover plate (2), and the inner wall of each clamping groove (10) is in contact with the surfaces of the locking mechanism (7);

the locking mechanism (7) comprises an L-shaped clamping plate (71), a groove (72) is formed in the bottom of the L-shaped clamping plate (71), rotating shafts (73) are fixedly connected to the front side and the rear side of the inner wall of the groove (72), connecting frames (74) are slidably connected to the surface of the rotating shafts (73) and the inner wall of the groove (72), a sliding column (75) is fixedly connected to one side, close to the shell (1), of the connecting frames (74), the surface of the sliding column (75) is in contact with the inner wall of the through hole (6), a baffle ring (76) is fixedly connected to the surface of the sliding column (75), the baffle ring (76) is located in the shell (1), the surface of the baffle ring (76) is in contact with the surface of the spring (9), and the left side and the right side of the shell (1) are in contact with the surface of the L-shaped clamping plate (71).

The novel heat-dissipating structure is characterized in that first heat-dissipating holes (11) are formed in the left side and the right side of the shell (1), the first heat-dissipating holes (11) are located between the front through hole (6) and the rear through hole (6), L-shaped limiting plates (12) are fixedly connected to the left side and the right side of the inner wall of the shell (1), the L-shaped limiting plates (12) are located between the first heat-dissipating holes (11) and the through holes (6), and dust-proof nets (13) are respectively attached to the surface of the L-shaped limiting plates (12) and the left side and the right side of the inner wall of the shell (1);

The upper surface of the cover plate (2) is provided with a second heat dissipation hole (14), the bottom of the cover plate (2) is fixedly connected with a mounting ring (15) through a screw, the inner wall of the mounting ring (15) is fixedly connected with a heat dissipation fin (16), and the surface of the heat dissipation fin (16) is in contact with the inner wall of the second heat dissipation hole (14);

the gap between the radiating fin (16) and the circuit board body (3) is 5mm.

2. The low-voltage 4G full-network leakage protection controller according to claim 1, wherein the number of the locking mechanisms (7) is four, and the four locking mechanisms (7) are symmetrically distributed with the circuit board body (3) as a center.