CN211830200U

CN211830200U - Surge protector

Info

Publication number: CN211830200U
Application number: CN202020595224.2U
Authority: CN
Inventors: 刘光超; 鲍舒耕; 吉思雨; 李天密; 杨国华
Original assignee: Sichuan Zhongguang Lightning Protection Technologies Co ltd
Current assignee: Sichuan Zhongguang Lightning Protection Technologies Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-10-30
Anticipated expiration: 2030-04-20

Abstract

The utility model discloses a surge protector, including shell and protector module, the protector module constitute the core part through buckle mechanism one connection on the intermediate lamella, the shell include bottom plate and top cap, the bottom plate pass through buckle mechanism two and be connected with the intermediate lamella, thereby the top cap pass through buckle mechanism three and be connected with the bottom plate and cover the core part in the shell. Surge protector simple structure is compact, the reduction product height reduces occupation space, satisfies miniaturized development demand, adopts the buckle mode to carry out the connection of each part, firm in connection is reliable, stability is good, installs and removes convenient efficiency, easy to maintain changes.

Description

Surge protector

Technical Field

The utility model relates to an electrical equipment technical field especially relates to a surge protector.

Background

The surge protector is an essential device for suppressing a peak current or an overvoltage generated by lightning, an operation of an electrical system, static electricity, or the like, and protecting an electronic information technology product. When the peak current or the overvoltage is suddenly generated in the electric loop or the communication line due to the external interference, the surge protector can conduct and shunt in a very short time, so that the damage of the surge to other equipment in the loop is avoided. The existing surge protector has the disadvantages of complex structure, large occupied volume, inconvenient assembly and disassembly and difficult maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve and the technical task that provides improve prior art, provide a surge protector, solve traditional surge protector structure complicacy among the prior art, occupy bulky, load and unload inconveniently, maintain the problem of difficulty.

For solving the above technical problem, the technical scheme of the utility model is that:

the utility model provides a surge protector, includes shell and protector module, the protector module pass through buckle mechanism one and connect and constitute the core part on the intermediate lamella, the shell include bottom plate and top cap, the bottom plate pass through buckle mechanism two and be connected with the intermediate lamella, thereby the top cap pass through buckle mechanism three and be connected core part cover in the shell with the bottom plate. Surge protector simple structure is compact, the protector module can be through realizing high-speed joint and dismantlement between buckle mode and the intermediate lamella to the bottom plate also passes through buckle mode high-speed joint with the intermediate lamella and dismantles, the protector module passes through the intermediate lamella with the shell and is connected as an organic wholely, the intermediate lamella constitutes middle bridge and can also play the effect of strengthening electrical insulation, buckle firm in connection is reliable, and install and remove convenient efficiency, overall structure is compact, can effectively reduce occupation volume, satisfies miniaturized development demand.

Furthermore, the protector module comprises a plurality of protection units arranged on the middle plate side by side, bus bars for electric connection are arranged between the protection units, and a plurality of protection units can form a multi-path protection structure.

Further, the bus bar is arranged on the side edge, adjacent to the middle plate, of the protector module, the structure is compact, and the overall height of the surge protector can be reduced.

Furthermore, the inner side of the top cover is provided with a partition board used for separating adjacent protection units, so that the insulation isolation performance between the protection units is improved, and the use reliability of the surge protector is improved.

Furthermore, the protection unit comprises a unit shell, an overvoltage protection element and a tripping mechanism electrically connected with the overvoltage protection element, wherein the overvoltage protection element and the tripping mechanism are arranged on the unit shell and are separated by the unit shell, so that the overvoltage protection element and the tripping mechanism can be effectively insulated and isolated after tripping, and the insulation and isolation performance after tripping is improved.

Furthermore, the unit shell is provided with a placing area which is used for placing the overvoltage protection element and is in a U-shaped groove structure, and the open placing area can release the assembling space of the overvoltage protection element, so that the through-current capacity of the surge protector can be increased.

Furthermore, the protection unit is also provided with a remote signaling mechanism for indicating the state of the tripping mechanism, so that the working state of the surge protector can be accurately and quickly mastered.

Furthermore, the middle plate is a PCB, and the protector module is also electrically connected with the PCB, so that the structure is compact, and the assembly and disassembly are convenient.

Furthermore, the first buckling mechanism comprises a first bayonet lock arranged on the protector module and a first jack for inserting and buckling the first bayonet lock on the middle plate; the second buckling mechanism comprises a second clamping pin arranged on the bottom plate and a second jack for inserting the second clamping pin into the clamping block, wherein the second jack is arranged on the middle plate, the second clamping pin is inserted into the second jack, the structure is simple, the realization cost is low, the buckling connection is convenient, and the assembly and disassembly are rapid.

Furthermore, the protector module is provided with a working electrode penetrating out of the shell.

Compared with the prior art, the utility model discloses the advantage lies in:

surge protector simple structure is compact, the reduction product height reduces occupation space, satisfies miniaturized development demand, adopts the buckle mode to carry out the connection of each part, firm in connection is reliable, stability is good, installs and removes convenient efficiency, easy to maintain changes.

Drawings

Fig. 1 is a schematic view of the general assembly structure of a surge protector;

fig. 2 is an exploded view of the surge protector;

fig. 3 is a schematic sectional structure view of the surge protector;

fig. 4 is a schematic view of the bottom side of the components of the movement;

FIG. 5 is an exploded view of the components of the cartridge;

FIG. 6 is a schematic structural diagram of a protection unit;

fig. 7 is another schematic structural diagram of the protection unit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model discloses a surge protector, compact structure effectively reduces the volume, satisfies miniaturized development, and loading and unloading make things convenient for efficiently, reduce and maintain the degree of difficulty.

As shown in fig. 1 to 7, a surge protector mainly comprises a shell 1 and a protector module 2, the protector module 2 is connected to an intermediate plate 3 through a first buckle mechanism 4 to form a machine core component, the shell 1 comprises a bottom plate 11 and a top cover 12, the bottom plate 11 is connected with the intermediate plate 3 through a second buckle mechanism 5, the top cover 12 is connected with the bottom plate 11 through a third buckle mechanism 6 to cover the machine core component in the shell 1, the protector module 2 is provided with a working electrode 21 penetrating out of a shell, all the components are assembled into a whole through a buckle connection mode, the connection is firm and reliable, and the stability in the using process is guaranteed.

Specifically, the middle plate 3 is a flat-plate-shaped PCB, the protector module 2 is located on the upper surface of the PCB, the protector module 2 is further electrically connected with the PCB, the bottom plate 11 is located on the lower surface of the PCB, the top cover 12 covers the periphery of the protector module 2 and is connected with the bottom plate 11, in this embodiment, the first fastening mechanism 4 includes a first fastening pin 41 arranged on the protector module 2 and a first insertion hole 42 arranged on the middle plate 3 and used for inserting the first fastening pin 41 into the first insertion hole, the second fastening mechanism 5 includes a second fastening pin 51 arranged on the bottom plate 11 and a second insertion hole 52 arranged on the middle plate 3 and used for inserting the second fastening pin 51 into the second insertion hole, the first fastening mechanism 4 and the second fastening mechanism 5 are arranged at intervals along the plane of the PCB, so that the connection stability is guaranteed, and the bottom plate 11 is electrically connected with the PCB, The avoidance positions for respectively avoiding the first bayonet lock 41 and the second bayonet lock 51 can be arranged on the protector module 2, so that the compactness of the whole structure of the surge protector is guaranteed, the height of a product is reduced, and the requirement of limited installation space is met.

The whole bottom plate 11 is parallel to the flat plate shape of the PCB, the edge of the bottom plate is provided with a flange which is turned over towards the direction of the protector module 2, the third buckling mechanism 6 is composed of a hook arranged on the flange and a clamping hole which is arranged on the top cover 12 and matched with the hook, and the connection is convenient and the firmness is good.

In this embodiment, the protector module 2 includes a plurality of protection units 22 connected to a PCB in parallel, each protection unit 22 is connected to the PCB by a first fastening mechanism 4, and a bus bar 23 for electrical connection is disposed between the protection units 22, each protection unit 22 includes a unit housing 221, an overvoltage protection element 222, and a trip mechanism 223 electrically connected to the overvoltage protection element 222, the overvoltage protection element 222 and the trip mechanism 223 are disposed on the unit housing 221 and separated by the unit housing 221, and the protection unit 22 is further provided with a remote signaling mechanism 224 for indicating a state of the trip mechanism 223, the remote signaling mechanism 224 is linked with the trip mechanism 223, and after the trip mechanism 223 is tripped, the remote signaling mechanism 224 indicates different state signals;

preferably, the busbar 23 sets up the side adjacent with intermediate lamella 3 on protector module 2, the pin of protection unit 22 also sets up the side adjacent with intermediate lamella 3 at protector module 2 with the welding point of busbar 23, thereby the busbar does not occupy the space on the surge protector direction of height, this embodiment no longer sets up the busbar of connecting the protection unit on the PCB board according to traditional mode, the insulation problem between protector module and the PCB board circuit has been avoided, reduction product height that can step forward.

In this embodiment, the unit housing 221 is provided with a placement area in a U-shaped groove structure for placing the overvoltage protection element 222, the overvoltage protection element 222 includes a varistor, a gas discharge tube, and the like, the placement area in the U-shaped groove structure can conveniently mount the overvoltage protection element 222, and limit on the overvoltage protection element 222 is reduced, the overvoltage protection element 222 has three exposed surfaces, a more open assembly space is adopted, which is beneficial to adopting the overvoltage protection element 222 with a larger current passing capability, a through hole is formed at the bottom side of the placement area in the U-shaped groove structure to connect a pin of the overvoltage protection element 222 with the trip mechanism 223 through low-temperature solder, the overvoltage protection element 222 and the trip mechanism 223 are effectively isolated by insulation, and insulation isolation safety after tripping is ensured.

In addition, the inner side of the top cover 12 of the present embodiment is provided with a partition 121 for separating the adjacent protection units 22, so that each protection unit can stably and independently operate, thereby avoiding adverse effects from occurring between the protection units and improving the operational reliability.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims

1. The utility model provides a surge protector, its characterized in that includes shell (1) and protector module (2), protector module (2) connect through buckle mechanism (4) and constitute the core part on intermediate lamella (3), shell (1) include bottom plate (11) and top cap (12), bottom plate (11) be connected with intermediate lamella (3) through buckle mechanism two (5), top cap (12) thereby be connected core part cover in shell (1) through buckle mechanism three (6) and bottom plate (11).

2. The surge protector according to claim 1, characterized in that the protector module (2) comprises several protection units (22) arranged side by side on the intermediate plate (3), between which protection units (22) there are arranged busbars (23) for electrical connection.

3. The surge protector according to claim 2, characterized in that the bus bar (23) is arranged on the side of the protector module (2) adjacent to the intermediate plate (3).

4. The surge protector of claim 2, wherein the inside of the top cover (12) is provided with a partition (121) for separating adjacent protection units (22).

5. The surge protector of claim 2, wherein the protection unit (22) comprises a unit housing (221), an overvoltage protection element (222), and a trip mechanism (223) electrically connected to the overvoltage protection element (222), the overvoltage protection element (222) and the trip mechanism (223) being mounted to the unit housing (221) and separated by the unit housing (221).

6. The surge protector as claimed in claim 5, wherein said unit case (221) is provided with a placement area in a U-shaped groove structure for placing the overvoltage protection element (222).

7. The surge protector as claimed in claim 5, wherein the protection unit (22) is further provided with a remote signaling mechanism (224) for indicating the status of the trip mechanism (223).

8. The surge protector according to any of claims 1 to 7, wherein the intermediate plate (3) is a PCB, and the protector module (2) is further electrically connected to the PCB.

9. The surge protector according to any of claims 1 to 7, wherein the first snap mechanism (4) comprises a first bayonet lock (41) arranged on the protector module (2) and a first jack (42) arranged on the middle plate (3) for inserting and snapping the first bayonet lock (41); the second buckling mechanism (5) comprises a second bayonet lock (51) arranged on the bottom plate (11) and a second insertion hole (52) which is arranged on the middle plate (3) and used for inserting and clamping the second bayonet lock (51).

10. A surge protector according to any of claims 1 to 7, characterized in that the protector module (2) is provided with a working electrode (21) which protrudes through the housing.