CN214479540U

CN214479540U - Surge protector

Info

Publication number: CN214479540U
Application number: CN202120806565.4U
Authority: CN
Inventors: 雷成勇; 龚健; 任怡; 代德志; 陈树毅; 杨国华
Original assignee: Sichuan Zhongguang Lightning Protection Technologies Co ltd; Huawei Technologies Co Ltd
Current assignee: Sichuan Zhongguang Lightning Protection Technologies Co ltd; Huawei Technologies Co Ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-10-22
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses a surge protector, including the protector main part, detachable is connected with the installation department in the protector main part, set up the mounting hole that is used for connecting in the installation department, and the protector main part on still be provided with the buckle subassembly that is used for being connected to the guide rail. The compatible different mounting means of surge protector, direct mount that can be convenient can avoid additionally increasing the guide rail on female arranging to avoid the circuit overlength and lead to the residual voltage high, install and remove the convenience, easy to maintain.

Description

Surge protector

Technical Field

The utility model relates to an electric protection device technical field especially relates to a surge protector.

Background

The surge occurring in the circuit may cause the damage of electronic equipment, and the surge protector is an electronic device which is widely applied to the power system and provides safety protection for various electronic equipment, instruments and meters and communication lines. Can adopt female row to carry out electrical connection usually in the switch board, and what surge protector adopted usually is guide rail mounting structure, the guide rail width commonly used is 3.5cm, both sides at the guide rail are equipped with two hems respectively, surge protector passes through the buckle subassembly card on the guide rail and need not with the screw fixation, when will adopt the surge protector of guide rail mounting structure to install in the switch board, need additionally install the guide rail, will lead to wire greatly increased, the installation wire overlength causes incomplete height, and if design surge protector of direct mount on female row, then need the die sinking again, and is with high costs, application range is narrow, unable compatible installation is on the guide rail, the price/performance ratio is lower, difficult change.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve and the technical task who provides are to improve prior art, provide a surge protector, solve surge protector among the prior art and adopt single mounting means, and compatibility is poor, additionally sets up the problem that the guide rail can lead to the high protective properties of residual voltage.

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

the surge protector comprises a protector main body, wherein an installation part is detachably connected to the protector main body, an installation hole for connection is formed in the installation part, and a clamping component for connecting to a guide rail is further arranged on the protector main body. Surge protector can compatible different mounting means, utilize the installation department can be with surge protector direct mount to female arranging on, need not additional guide rail again to avoid the internal circuit overlength to lead incomplete height, guarantee surge protector's performance, simultaneously, surge protector can also through on the buckle subassembly lug connection to guide rail, connect stably, install and remove the convenience, it is compatible good.

Furthermore, the protector main part is provided with a clamping part, and the mounting part is clamped on the clamping part. The detachable connection mode of clamping connection is adopted, connection modes such as bolts and the like are not needed, the number of parts is small, the assembly and disassembly are convenient, the cost is low, and the conversion is easy to carry out in different installation modes

Furthermore, the installation part is connected with the clamping part in a sliding fit manner, and the clamping part is in a sliding groove or sliding rail shape, so that the structure is simple, the implementation is convenient, the assembly and disassembly are convenient, and the efficiency is high.

Further, the installation department is provided with one respectively in protector main part both sides, ensures that surge protector is stable connects on female arranging.

Further, the buckle components include fixed part and movable part, the fixed part is fixed to be set up in the protector main part, the movable part slide to set up in the protector main part in order to change the interval between movable part and the fixed part, movable part and fixed part are with the guide rail centre gripping with between the two in order to realize fixed, simple structure, and when the interval between movable part and the fixed part becomes the hour then stable with the guide rail centre gripping between the two, install and remove convenient efficiency.

Further, movable part detachable set up in the protector main part, can demolish the movable part when utilizing the installation department to carry out surge protector's installation, can reduce surge protector's weight also can reduce to interfere, ensure to realize surge protector's firm connection.

Furthermore, the fixing part is integrally formed on the protector main body, so that the protector is compact in structure, easy to implement and low in cost, and parts are reduced.

Furthermore, an elastic piece for driving the movable part to move towards the fixed part is arranged between the movable part and the protector main body, and the elastic piece is used for applying elastic clamping force to enable the movable part and the fixed part to stably clamp the guide rail between the movable part and the fixed part, so that the surge protector is stably connected to the guide rail.

Further, the protector main part includes base and protection module, the protection module plug is connected on the base, installation department, buckle clamp subassembly set up on the base to, the base is effectively fixed through installation department, buckle clamp subassembly, and inside is setting up the protection module of protection component because pluggable connecting in the base, thereby can more make things convenient for the change of maintaining of efficiency.

Furthermore, the protection module is provided with a shell surface used for increasing friction force during plugging operation, so that the plugging operation is more reliable, and the situation that the protection module is difficult to plug due to slipping is avoided.

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

the compatible different mounting means of surge protector, direct mount that can be convenient can avoid additionally increasing the guide rail on female arranging to avoid the circuit overlength and lead to the residual voltage high, install and remove the convenience, easy to maintain.

Drawings

FIG. 1 is a schematic structural view of a connecting and mounting portion of a protector body;

FIG. 2 is a schematic view of the protector body with the mounting portion removed;

FIG. 3 is a schematic view of a bottom clip assembly of the protector body;

FIG. 4 is a schematic view of the movable portion of the protector body base with the clip assembly removed;

fig. 5 is a schematic structural diagram of the surge protector mounted on the busbar;

fig. 6 is a schematic view of the structure of the surge protector mounted on the rail.

In the figure: a protector main body 1; a base 11; a protection module 12; a mounting portion 2; a mounting hole 21; an engaging portion 22; a clip assembly 3; a fixed portion 31; a movable portion 32; a busbar 4; a guide rail 5.

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, the different mounting means of can compatible avoids increasing extra part when the installation, installs and removes to change convenient simple more, avoids increasing the lead wire, avoids installing the circuit overlength to lead to incomplete height, ensures surge protector's performance.

As shown in fig. 1 to 6, a surge protector mainly comprises a protector body 1, the protector body 1 is composed of a base 11 and a protection module 12, the protection module 12 is connected to the base 11 in a plugging manner, a protection element for surge protection is arranged inside the protection module 12, the protection module 12 is provided with a shell surface for increasing the friction force during the plugging operation, specifically, a rough surface or a plurality of protrusions or depressions and the like are arranged at the holding position of the protection module 12, in the embodiment, the base 11 is provided with a mounting part 2 and a clip component 3, the mounting part 2 is detachably connected to the base 11, the mounting part 2 is provided with a mounting hole 21 for connecting to the busbar 4, and the mounting part is respectively provided with one on two sides of the base 11, and the clip component 3 is arranged at the bottom of the base 11.

In this embodiment, the surge protector is a multilayer gap type surge protector, that is, the protection element inside the protection module 12 is a multilayer gap core, the multilayer gap core mainly comprises a discharge gap and a trigger circuit, a plurality of discharge gaps are connected in series, the multilayer gap core is in a high resistance state when not in action, and does not affect the normal operation of the protected circuit, when a surge occurs, the discharge gaps which are connected in series and laminated together are triggered layer by layer, and finally the discharge gaps are all conducted to present a low resistance state so as to release the surge current, the discharge gap can specifically adopt a graphite electrode, the trigger circuit can be a combination of a capacitor and a resistor, the surge protector can be used in a single-phase three-wire power supply system and can be connected between a live wire, a zero wire and a ground wire, and can also be used in a direct-current power supply system and connected between a positive electrode, a negative electrode and a ground wire, and can conveniently utilize the busbar foot to make up into other protection modes such as 1+1, 2+0, 3+0, 4+0 and 3+1, the multilayer clearance core can also connect between the both sides tip of the discharge gap that connects together in series and set up the voltage limiting circuit, the component that sets up on the voltage limiting circuit includes the fuse.

Specifically, set up block 22 on the

base

11, 2 joints of installation department are on block 22, in this embodiment, block 22 be the slide rail structure, the cross-section of slide rail is roughly T shape, 2 slide clamping of installation department on block 22, need not to use the screw, install and remove the convenience, spare part is few, when adopting clip subassembly 3 to install surge protector on the guide rail, can demolish installation department 2, avoid causing the interference, also can reduce surge protector's weight simultaneously, guarantee surge protector's stability on the guide rail.

The buckle assembly 3 comprises a fixed part 31 and a movable part 32, the fixed part 31 is fixedly arranged on the base 11, the movable part 32 is slidably arranged on the base 11 to change the distance between the movable part 32 and the fixed part 31, the guide rail 5 is clamped between the movable part 32 and the fixed part 31 to fix the surge protector, an elastic part for driving the movable part 32 to move towards the fixed part 31 is arranged between the movable part 32 and the base 11, and the elastic part is used for applying elastic acting force to enable the movable part and the fixed part to clamp the guide rail stably between the movable part and the fixed part, namely, the installation stability of the surge protector on the guide rail is improved.

Further, fixed part 31 integrated into one piece is on base 11, compact structure reduces spare part, and structural stability is also better, and movable part 32 detachable set up on base 11, can demolish the movable part when utilizing the installation department to carry out surge protector's installation, avoid interfering, also reduce surge protector's whole weight.

The above are only preferred embodiments of the present invention, and it should be noted that the above preferred embodiments should not be considered as limitations of the present invention, and the scope of the present invention should be limited by the scope of the appended 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 surge protector is characterized by comprising a protector main body (1), wherein an installation part (2) is detachably connected to the protector main body (1), an installation hole (21) for connection is formed in the installation part (2), and a clamping component (3) for being connected to a guide rail is further arranged on the protector main body (1).

2. A surge protector according to claim 1, wherein the protector main body (1) is provided with an engaging portion (22), and the mounting portion (2) is engaged with the engaging portion (22).

3. A surge arrester as claimed in claim 2, wherein the mounting portion (2) is slidably engaged with the engaging portion (22).

4. A surge arrester as claimed in claim 1, wherein the mounting portion (2) is provided one on each side of the protector body (1).

5. A surge arrester as claimed in claim 1, wherein the clip assembly (3) includes a fixed portion (31) and a movable portion (32), the fixed portion (31) is fixedly disposed on the protector body (1), the movable portion (32) is slidably disposed on the protector body (1) to change a distance between the movable portion (32) and the fixed portion (31), and the movable portion (32) and the fixed portion (31) clamp the rail therebetween to achieve fixation.

6. A surge arrester as claimed in claim 5, wherein the movable portion (32) is detachably provided on the arrester main body (1).

7. A surge arrester as claimed in claim 5, wherein the fixing portion (31) is integrally formed on the protector body (1).

8. A surge arrester as claimed in claim 5, wherein an elastic member for urging the movable portion (32) toward the fixed portion (31) is provided between the movable portion (32) and the arrester body (1).

9. A surge protector according to any claim 1 to 8, wherein the protector main body (1) comprises a base (11) and a protection module (12), the protection module (12) is connected to the base (11) in a plugging manner, and the mounting part (2) and the clip assembly (3) are arranged on the base (11).

10. A surge arrester as claimed in claim 9, wherein the protection module (12) is provided with a housing surface for increasing friction during plugging operations.