CN111787741A

CN111787741A - Low-voltage 4G full-network leakage protection controller

Info

Publication number: CN111787741A
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: 2020-10-16
Anticipated expiration: 2040-07-31
Also published as: CN111787741B

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 is used for limiting 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 the 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, and the circuit board body in the shell can be conveniently dismounted, mounted and maintained by the user.

Description

Low-voltage 4G full-network 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 low pressure 4G full net on the market is led to leaks and is protected the controller, and the shell is fixed about will mostly through the bolt, when maintaining the circuit board in leaking the protection controller, often because the misoperation 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 in the prior art, such as: when the circuit board in the controller is protected to leaking maintains, often because the misoperation leads to the bolt to slide the silk, can't carry out quick assembly disassembly to upper and lower shell, reduce the work efficiency of maintenance, and the low pressure 4G whole net that provides leads to leaks and protects the controller.

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

the utility model provides a low pressure 4G whole net is led to hourglass and is protected 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 bottom of the bottom of apron and shell inner wall, the surface of support frame and the inner wall contact of fixture block.

The through-hole has all been seted up to the left and right sides of shell, the inner wall sliding connection of through-hole has the locking mechanism, the equal fixedly connected with support column in the left and right sides of shell inner wall, the spring has been cup jointed on the surface of support column, the surface of spring and the surface contact of locking mechanism, the draw-in groove has been seted up to the upper surface of apron, the inner wall of draw-in groove and the surface contact of locking mechanism.

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, a connecting frame is slidably connected to the surface of each rotating shaft and the inner wall of the groove, a sliding column is fixedly connected to one side, close to the shell, of the connecting frame, the surface of the sliding column is in contact with the inner wall of the through hole, a blocking ring is fixedly connected to the surface of the sliding column and located inside the shell, the surface of the blocking 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.

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, first louvre has all been seted up to the left and right sides of shell, first louvre is located between the through-hole around, the equal fixedly connected with L shape limiting plate of 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 upper surface of the cover plate is provided with second heat dissipation holes, the bottom of the cover plate is fixedly connected with a mounting ring through screws, the inner wall of the mounting ring is fixedly connected with heat dissipation fins, and the surfaces of the heat dissipation fins are in contact with the inner walls of the second heat dissipation holes.

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

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

(1) the spring fixing device is provided with the shell, the cover plate, the through hole, the locking mechanism, the support column, the spring and the clamping groove, 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 detach, disassemble and maintain the circuit board body in the shell, meanwhile, the support column plays a supporting role on the spring, the spring can be freely separated from the support column, when the spring is damaged, the spring can be detached from the support column through compressing the spring, and the damaged spring can be conveniently replaced.

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

Drawings

FIG. 1 is a schematic structural view 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 taken at A of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of the invention at C in FIG. 2.

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 traveler; 76. a baffle ring; 8. a support pillar; 9. a spring; 10. a card slot; 11. a first heat dissipation hole; 12. an L-shaped limiting plate; 13. a dust screen; 14. a second heat dissipation hole; 15. a mounting ring; 16. and a heat sink.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 shell 1, wherein a cover plate 2 is arranged on the upper surface of the shell 1, a circuit board body 3 is arranged inside the shell 1, clamping blocks 4 are fixedly connected to the upper side and the lower side of the circuit board body 3, supporting frames 5 are fixedly connected to the bottoms of the cover plate 2 and the inner wall of the shell 1, and the surfaces of the supporting frames 5 are in contact with the inner walls of the clamping blocks 4.

Through-hole 6 has all been seted up to the left and right sides of shell 1, and the inner wall sliding connection of through-hole 6 has locking mechanism 7, the equal fixedly connected with support column 8 of the left and right sides of the 1 inner wall of shell, and spring 9 has been cup jointed on the surface of support column 8, and spring 9's surface and locking mechanism 7's surface contact, apron 2's upper surface has seted up draw-in groove 10, the inner wall of draw-in groove 10 and locking mechanism 7's surface contact.

The locking mechanisms 7 comprise L-shaped clamping plates 71, grooves 72 are formed in the bottoms of the L-shaped clamping plates 71, rotating shafts 73 are fixedly connected to the front side and the rear side of the inner walls of the grooves 72, connecting frames 74 are slidably connected to the surfaces of the rotating shafts 73 and the inner walls of the grooves 72, sliding columns 75 are fixedly connected to one sides, close to the shell 1, of the connecting frames 74, the surfaces of the sliding columns 75 are in contact with the inner walls of the through holes 6, baffle rings 76 are fixedly connected to the surfaces of the sliding columns 75, the baffle rings 76 are located inside the shell 1, the surfaces of the baffle rings 76 are in contact with the surfaces of springs 9, the minimum length of each spring 9 is smaller than the maximum distance between each supporting column 8 and each baffle ring 76, the number of the locking mechanisms 7 is four, the four locking mechanisms 7 are symmetrically distributed by taking the circuit board body 3 as the center, the, the L-shaped catch plate 71 can be contacted with the housing 1 through the spring 9, so that the L-shaped catch plate 71 can not rotate freely.

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

Second louvre 14 has been seted up to the upper surface of apron 2, screw fixedly connected with collar 15 is passed through to the bottom of apron 2, 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 during operation produced to circuit board body 3 through set up fin 16 on apron 2, and then effectively reduce the temperature of circuit board body 3 during operation through fin 16, prevent the overheated damage of circuit board body 3.

In the invention, when a user uses the device, the circuit board body 3 is placed in the shell 1, the fixture block 4 is contacted with the support frame 5, at the moment, the circuit board body 3 is clamped in the shell 1 through the matching of the fixture block 4 and the support frame 5, then 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 fixture block 4 and the support 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 maintain 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.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

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.

Claims

1. The low-voltage 4G full-network leakage protection controller comprises a shell (1) and is characterized in that a cover plate (2) is arranged on the upper surface of the shell (1), a circuit board body (3) is arranged inside the shell (1), clamping blocks (4) are fixedly connected to the upper side and the lower side of the circuit board body (3), supporting frames (5) are fixedly connected to the bottom of the cover plate (2) and the bottom of the inner wall of the shell (1), and the surfaces of the supporting frames (5) are in contact with the inner walls of the clamping blocks (4);

through-hole (6) have all been seted up to the left and right sides of shell (1), the inner wall sliding connection of through-hole (6) has locking mechanism (7), the equal fixedly connected with support column (8) of the left and right sides of shell (1) inner wall, spring (9) have been cup jointed on the surface of support column (8), the surface of spring (9) and the surface contact of locking mechanism (7), draw-in groove (10) have been seted up to the upper surface of apron (2), the inner wall of draw-in groove (10) and the surface contact of locking mechanism (7).

2. The low-voltage 4G full-network leakage protection controller according to claim 1, the locking mechanism (7) comprises an L-shaped clamping plate (71), the bottom of the L-shaped clamping plate (71) is provided with a groove (72), the front side and the rear side of the inner wall of the groove (72) are fixedly connected with rotating shafts (73), the surface of each rotating shaft (73) and the inner wall of the groove (72) are connected with connecting frames (74) in a sliding way, one side of the connecting frame (74) close to the shell (1) is fixedly connected with a sliding column (75), the surface of the sliding column (75) is contacted with the inner wall of the through hole (6), the surface of the sliding column (75) is fixedly connected with a baffle ring (76), the baffle ring (76) is positioned inside the shell (1), the surface of the baffle ring (76) is contacted with the surface of the spring (9), the left side and the right side of the shell (1) are in contact with the surface of the L-shaped clamping plate (71).

3. 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 around the circuit board body (3).

4. The low-voltage 4G full-network leakage protection controller according to claim 1, wherein first heat dissipation holes (11) are formed in the left side and the right side of the housing (1), the first heat dissipation holes (11) are located between the front through hole 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 housing (1), the L-shaped limiting plates (12) are located between the first heat dissipation holes (11) and the through holes (6), and dust screens (13) are attached to the surfaces of the L-shaped limiting plates (12) and the left side and the right side of the inner wall of the housing (1).

5. The low-voltage 4G full-network leakage protection controller according to claim 1, wherein a second heat dissipation hole (14) is formed in the upper surface of the cover plate (2), a mounting ring (15) is fixedly connected to the bottom of the cover plate (2) through a screw, a heat dissipation fin (16) is fixedly connected to the inner wall of the mounting ring (15), and the surface of the heat dissipation fin (16) is in contact with the inner wall of the second heat dissipation hole (14).

6. The low-voltage 4G full-network leakage protection controller according to claim 5, wherein a gap between the heat sink (16) and the circuit board body (3) is 5 mm.