CN215870013U

CN215870013U - Surge protection device

Info

Publication number: CN215870013U
Application number: CN202122265611.7U
Authority: CN
Inventors: 刘光超; 谢韬; 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: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-02-18
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a surge protection device which mainly comprises a surge protection assembly main body and a plug, wherein the plug matched with a socket on a power distribution unit is arranged on the surge protection assembly main body, and the surge protection assembly main body is detachably connected with the power distribution unit through a clamping mechanism. The surge protection device disclosed by the utility model realizes the quick plug installation, maintenance and replacement of the main body of the surge protection component on the power distribution unit, and the power distribution unit is only required to reserve a socket, so that the surge protection device is good in universality, good in connection stability and good in reliability of a protection function.

Description

Surge protection device

Technical Field

The utility model relates to the technical field of power distribution protection devices, in particular to a surge protection device.

Background

The PDU (Power Distribution Unit), that is, the Power Distribution socket for the cabinet, is a product designed to provide Power Distribution for the electrical equipment installed in the cabinet, has various series specifications of different functions, installation modes and different insertion combinations, can provide a suitable rack-mounted Power Distribution solution for different Power environments, undertakes the Power Distribution task from the input Power to the load, and is a key link for connecting the Power supply infrastructure and the electrical equipment. Traditional power distribution unit is for realizing surge protection, can adopt built-in surge protection device's mode, thereby provide stronger protection, but this kind of mode is maintained and is changed inconveniently, in case built-in surge protection device breaks down then need disassemble whole power distribution unit and just can change built-in surge protection device, low efficiency, it is big to maintain the degree of difficulty, high cost, the influence is to the power supply of consumer, be difficult to in time resume normal power supply, also adopt external surge protection device's mode, external surge protection device includes split type and integral type, split type structure is additionally provided with the base and realizes quick plug, the structure is more complicated, occupy extra space, and the structure of integral type need carry out erection joint through modes such as binding post or bonding wire, it is inconvenient to change the operation.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved and the technical task provided by the utility model are to improve the prior art, provide a surge protection device and solve the problem that the surge protection device adopted on a power distribution unit in the prior art is inconvenient to assemble, disassemble and maintain.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the utility model provides a surge protection device, mainly includes surge protection subassembly main part and plug, be provided with in the surge protection subassembly main part with the socket matched with plug on the power distribution unit, and the surge protection subassembly main part passes through block mechanism can dismantle with the power distribution unit and be connected. The surge protection device directly integrates the plug matched with the socket on the power distribution unit into the surge protection assembly main body, so that the surge protection assembly main body is directly connected with the power distribution unit in a plugging and unplugging manner, the assembly and disassembly are convenient and fast, the universality is good, the maintenance and the replacement are easy, the surge protection assembly main body is connected with the power distribution unit through the clamping mechanism, the reliability of the connection state is improved, the effect of preventing accidental disengagement is achieved, the effective protection function of the surge protection assembly main body is guaranteed, and the protection reliability is improved.

Furthermore, the clamping mechanism comprises an elastic clamping piece arranged on the surge protection assembly main body and a clamping groove arranged on the power distribution unit, the elastic clamping piece is inserted into the clamping groove to be connected in a clamping mode, the structure is simple, and the anti-falling device is convenient to assemble and disassemble and high in efficiency.

Further, the elasticity fastener includes elasticity portion and the block portion that sets up on the elasticity portion, set up logical groove in order to constitute elasticity portion on the wall of surge protection subassembly main part, moreover, the steam generator is simple in structure, easy to carry out, and is with low costs, utilize logical groove to cut apart the region that has the elastic deformation ability at the wall, this region is elasticity portion promptly, can make block portion and draw-in groove separation through pressing down elasticity portion, the convenient efficiency of surge protection subassembly main part is extracted in the dismantlement, it can automatic re-setting to loosen elasticity portion, ensure block portion and the stable block of draw-in groove and deviate from in order effectively to prevent accident, ensure stable effect of playing overvoltage protection.

Furthermore, an isolation chamber is arranged on the inner side of the wall surface where the elastic part is located on the surge protection assembly main body, namely the isolation chamber is an elastic deformation outflow action space of the elastic part, and meanwhile, the creepage distance and the electric clearance from the elastic part to an internal element of the surge protection assembly main body are increased, so that the operation safety is improved, and the situation of accidental electric shock when the elastic part is operated is avoided.

Furthermore, be provided with respectively in the both sides of plug in surge protection subassembly main part the elasticity fastener improves connection stability, ensures the stable grafting cooperation of plug and socket, and more effectual surge protection subassembly main part that prevents is deviate from by accident.

Further, surge protection subassembly main part includes core, main casing body and lid built-up connection, the core is installed in the cavity that main casing body and lid are connected and are constituted, the core is connected with the pin of plug.

Furthermore, the main casing body is connected with the cover body in a clamping mode, and the assembly, disassembly and maintenance are facilitated.

Further, be provided with trapezoidal muscle on the lid, be provided with the buckle on the trapezoidal muscle, be provided with on the main casing body with buckle complex card hole, install and remove the convenience to can increase the creepage distance of surge protection subassembly main part surface to the core, improve the safety in utilization.

Furthermore, the socket is a C19 female head or a C13 female head, and the plug is a C20 male head or a C14 male head, so that the universality is good.

Compared with the prior art, the utility model has the advantages that:

the surge protection device disclosed by the utility model realizes the quick plug installation, maintenance and replacement of the main body of the surge protection component on the power distribution unit, and the power distribution unit is only required to reserve a socket, so that the surge protection device is good in universality, good in connection stability and good in reliability of a protection function.

Drawings

Fig. 1 is a schematic view of the overall structure of a surge protection device of the present invention;

fig. 2 is a schematic structural view of the surge protection assembly body of the present invention plugged into a power distribution unit;

fig. 3 is an exploded view of the surge protection assembly body;

FIG. 4 is a schematic view of the bottom side of the main housing;

fig. 5 is a side view of the main housing.

In the figure:

the surge protection device comprises a surge protection assembly body 1, a movement 12, a main housing 11, a cover 13, trapezoidal ribs 14, buckles 15, clamping holes 16, a plug 2, a socket 3, a power distribution unit 4, an elastic clamping piece 5, an elastic part 51, a clamping part 52, a through groove 53, an isolation cavity 54 and a clamping groove 6.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The surge protection device disclosed by the embodiment of the utility model is convenient to assemble and disassemble, good in universality, easy to maintain and replace and wide in application range.

As shown in fig. 1 to 5, a surge protection device, mainly comprising a surge protection assembly main body 1 and a plug 2, the surge protection assembly body 1 is provided with a plug 2 which mates with a socket 3 on a power distribution unit 4, the socket 3 is a C19 female connector or a C13 female connector, the plug 2 is a C20 male connector or a C14 male connector, and can be universal sockets and plugs of other types, the universality is improved, when the power distribution unit 4 with different sockets is replaced, only the surge protection component main body 1 with the plug matched with the socket needs to be replaced, the maintenance and the replacement are convenient, the application range is wide, the surge protection assembly main body 1 is detachably connected with the power distribution unit 4 through the clamping mechanism, the reliability of the plugging state is guaranteed by the clamping mechanism, the situation that the surge protection assembly is accidentally separated is avoided, and the reliability of the protection function is improved.

Surge protection subassembly main part 1 mainly includes core 12, main casing 11 and lid 13 built-up connection, core 12 is installed in the cavity that main casing 11 and lid 13 are connected and are constituted, that is to say main casing 11 and lid 13 are together with core 12 parcel inside, guarantee core 12 department in an isolation environment, guarantee job stabilization nature, core 12 is connected with plug 2's pin to when plug 2 pegs graft with socket 3, core 12 then electrically connects in the circuit that needs the protection, has set up plug 2's structural part on the lid 13, and the pin of being connected with core 12 and the structural part on the lid 13 are grouped together and are constituted the plug of accomplishing. In this embodiment, main casing body 11 is connected with lid 13 block, installs and removes conveniently, efficient, be provided with trapezoidal muscle 14 on the lid 13, be provided with buckle 15 on the trapezoidal muscle 14, be provided with on the main casing body 11 with buckle 15 complex card hole 16, install and remove the convenience to can increase the creepage distance of surge protection subassembly main part surface to the core, it is concrete, trapezoidal muscle 14 is provided with two respectively at the four sides reason of lid 13, and guarantee connection stability prevents the unexpected situation of breaking off.

In this embodiment, the clamping mechanism includes an elastic clamping piece 5 disposed on the surge protection assembly main body 1 and a clamping groove 6 disposed on the power distribution unit 4, the elastic clamping piece 5 is inserted into the clamping groove 6 to be connected with the clamping, the clamping groove 6 is specifically a hole groove along the plugging direction of the plug 2 and the socket 3, and when the plug 2 is just completely plugged on the socket 3, the elastic clamping piece 5 is also just connected with the clamping groove 6. And surge protection subassembly main part 1 is last to be provided with respectively in the both sides of plug 2 elasticity fastener 5, draw-in groove 6 correspond be provided with one respectively in the both sides of socket 3, improve connection stability, ensure the stable grafting cooperation of plug and socket.

The elastic clamping piece 5 comprises an elastic part 51 and a clamping part 52 which is arranged on the elastic part 51 and matched with the clamping groove 6, in this embodiment, a through groove 53 is formed in the wall surface of the main shell 11 to form the elastic part 51, the path shape of the through groove 53 is U-shaped, so that a strip-shaped area with elastic deformation capacity is cut on the wall surface of the power distribution unit 4 to form the elastic part 51, the clamping part 52 is a protruding structure arranged on the elastic part 51, and the main shell 11 is provided with a guide post which is inserted into the clamping groove 6 and matched with the caliber of the clamping groove 6, so that the limiting effect can be further achieved, the reliable clamping connection with the clamping groove 6 of the elastic clamping piece 5 is ensured, the shaking is avoided, and the clamping connection stability is improved.

In this embodiment, an isolation chamber 54 is disposed on the inner side of the wall where the elastic portion 51 is located on the main housing 11, specifically, a U-shaped inner wall plate is connected to the inner side of the wall, and the U-shaped inner wall plate and the wall enclose a cavity to form the isolation chamber 54, which not only leaves an action space for elastic deformation of the elastic portion, but also increases a creepage distance and an electrical gap between the elastic portion and an internal element of the surge protection assembly main body, and a connection point of the U-shaped inner wall plate and the wall is located at a side edge of the through slot 53 away from the elastic portion 51, so that the U-shaped inner wall plate acts as a reinforcing rib for the side edge of the through slot 53, and prevents the side wall of the main housing 11 from having too low structural strength, prevents the side wall from being excessively deformed and extruded to the internal element, and ensures the resilience of the elastic portion, so that the engaging portion 52 can be reliably engaged with the engaging slot 6, the connection stability is improved.

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 adaptations can be made without departing from the spirit and scope of the utility model, and these modifications and adaptations should be considered within the scope of the utility model.

Claims

1. The surge protection device is characterized by mainly comprising a surge protection assembly main body (1) and a plug (2), wherein the plug (2) matched with a socket (3) on a power distribution unit (4) is arranged on the surge protection assembly main body (1), and the surge protection assembly main body (1) is detachably connected with the power distribution unit (4) through a clamping mechanism.

2. A surge protection device according to claim 1, wherein the engaging mechanism comprises a resilient engaging piece (5) provided on the surge protection assembly main body (1) and a card slot (6) provided on the power distribution unit (4), the resilient engaging piece (5) being inserted into the card slot (6) to engage with the connection.

3. A surge protection device according to claim 2, wherein the resilient engaging member (5) comprises a resilient portion (51) and an engaging portion (52) provided on the resilient portion (51) and engaged with the engaging groove (6), and a through groove is formed on a wall surface of the surge protection module body (1) to constitute the resilient portion (51).

4. A surge protection device according to claim 3, wherein the surge protection assembly main body (1) is provided with an isolation chamber (54) inside a wall surface where the elastic portion (51) is located.

5. A surge protection device according to claim 2, wherein the resilient engaging pieces (5) are provided on the surge protection assembly main body (1) on both sides of the plug (2), respectively.

6. A surge protection device according to any of claims 1 to 5, wherein the surge protection assembly main body (1) comprises a movement (12), a main housing (11) and a cover (13), the main housing (11) and the cover (13) are connected in combination, the movement (12) is installed in a cavity formed by connecting the main housing (11) and the cover (13), and the movement (12) is connected with a pin of the plug (2).

7. A surge protection device according to claim 6, wherein the main housing (11) is snap-fitted to the cover (13).

8. A surge protection device according to claim 7, wherein the cover (13) is provided with a trapezoidal rib (14), the trapezoidal rib (14) is provided with a snap (15), and the main housing (11) is provided with a snap hole (16) which is matched with the snap (15).

9. A surge protection device according to any of claims 1 to 5, wherein the receptacle (3) is a female C19 or female C13 plug and the plug (2) is a male C20 or male C14 plug.