Surge protector

By designing a first baffle, a horizontal plate, and a second baffle structure in the surge protector, the creepage distance is extended, solving the problems of short circuit and electric shock risks in the surge protector and achieving higher safety and stability.

CN223583799UActive Publication Date: 2025-11-21ZHEJIANG JIUDA ELECTRONICS CO LTD
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Patent Information

Application Number
CN202423127280.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-11-21
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Existing surge protectors are inadequate in preventing short circuits between devices or between devices and ground, especially when the creepage distance is insufficient, which poses a safety hazard.

Method used

By designing a first baffle and a horizontal plate structure in the surge protector, the creepage distance between the metal plate terminals is extended, and a second baffle is set at the wiring hole and screw hole to enhance the isolation distance between electrical components. At the same time, a cover plate is used to seal both ends of the mounting groove to increase the arcing distance and prevent short circuit and electric shock risks.

Benefits of technology

It effectively prevents short circuits between metal terminals, ensures a creepage distance of more than 15mm, reduces the risk of electric shock, and improves equipment safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of protectors, in particular to a surge protector. Comprising a base 1, the base 1 is provided with a mounting groove, the mounting groove is internally provided with a lightning protection module, the lightning protection module comprises two metal sheet terminals, and the bottom of the mounting groove is provided with a plugging port for plugging the metal sheet terminals; the first baffle plate is arranged on the plugging port; according to the utility model, the two first baffle plates are arranged between the two metal sheet terminals, so that short circuit of the two metal sheet terminals due to overhigh voltage is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a protector field, especially a surge protector. BACKGROUND

[0002] A surge protector, also known as a lightning arrester or surge protector, is a device used to protect electrical equipment from damage caused by transient overvoltages, such as lightning or switching operations.

[0003] The creepage distance refers to the charged area between two conductive parts measured along the insulating surface, which is caused by the polarization of the insulating material around the conductor, resulting in the charging of the insulating material under different usage conditions. This concept is very important in ensuring the safety of electrical equipment, as it aims to prevent sparks between devices or between devices and ground, which can threaten personal safety, and short circuit faults due to the creepage distance between the two metal sheet terminals of the lightning protection module.

[0004] Therefore, there is an urgent need to provide an improved technical solution to solve the above technical problems. SUMMARY

[0005] The utility model aims at the above-mentioned technical problems, and provides a technical effect of preventing short circuit of a surge protector.

[0006] Therefore, the utility model provides a surge protector, which comprises:

[0007] The base is provided with a mounting groove, and the mounting groove is provided with a lightning protection module, which comprises two metal sheet terminals.

[0008] The first baffle is arranged on the insertion port.

[0009] At least two lightning protection modules are arranged in the mounting groove, wherein a fixing groove for inserting and fixing the lightning protection module is arranged on the wall of the mounting groove, and a horizontal plate is arranged on both sides of the fixing groove at the bottom of the mounting groove.

[0010] Further, the wiring hole and the screw hole are provided with a second baffle.

[0011] Further, the utility model further comprises:

[0012] The cover plate is fixedly connected to the two sides of the base and seals the two ends of the mounting groove.

[0013] Further, a plurality of insertion holes are arranged on the end faces of the two sides of the base, and a plurality of insertion rods matched with the insertion holes are arranged on the cover plate.

[0014] Further, the lightning protection module comprises:

[0015] The housing is provided with a flange for plugging with the base.

[0016] The utility model discloses beneficial effect is:

[0017] 1. The utility model discloses two metal sheet terminals between having two first baffle, prevent voltage excessively high two metal sheet terminals short circuit, through the cooperation of first baffle and horizontal board, can reach 15mm above the creeping distance between metal sheet terminal.

[0018] 2. The utility model discloses through setting up horizontal board, prolongs the creeping distance of metal sheet terminal between two lightning protection module, can prevent voltage excessively high and lead two metal sheet terminals short circuit. DRAWINGS

[0019] Figure 1 It is the three -dimensional structure schematic diagram of the utility model's no cover plate;

[0020] Figure 2 It is the structure schematic diagram of the utility model's lightning protection module;

[0021] Figure 3 It is the structure schematic diagram of the utility model's bottom;

[0022] Figure 4 It is the three -dimensional structure schematic diagram of the utility model's having cover plate.

[0023] Marked in the drawing as:

[0024] 1, base, 2, installation slot, 3, lightning protection module, 5, metal sheet terminal, 6, first baffle, 8, plugging interface, 9, fixed groove, 10, horizontal board, 11, wiring hole, 12, screw hole, 13, second baffle, 14, cover plate, 15, plugging hole, 16, housing, 17, flange. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0026] Embodiment 1:

[0027] The embodiment provides a surge protector, which comprises:

[0028] The base 1 is provided with an installation slot 2, and the installation slot 2 is provided with a lightning protection module 3; the lightning protection module 3 comprises two metal sheet terminals 5, and the bottom of the installation slot 2 is provided with a plugging interface 8 for plugging the metal sheet terminals 5.

[0029] The first baffle 6 is arranged on the insertion port 8.

[0030] The base 1 is provided with a mounting groove 2 for mounting the lightning protection module 3, the lightning protection module 3 is clamped in the mounting groove 2, the mounting groove 2 penetrates through both sides of the base 1, two metal sheet terminals 5 are arranged on both sides of the lower end surface of the lightning protection module 3, the metal sheet terminals 5 are used for electrically connecting the lightning protection module 3 and the base 1, an insertion port 8 for inserting the metal sheet terminal 5 is arranged at the bottom of the mounting groove 2, a first baffle 6 is arranged on the outer periphery of the insertion port 8, the cross section of the first baffle 6 can be trapezoidal or square, by arranging the first baffle 6, the longitudinal depth of the insertion port 8 is prolonged, the length of the metal sheet terminal 5 inserted in the insertion port 8 is increased, the installation stability of the metal sheet terminal 5 is stronger, and the first baffle 6 protrudes from the bottom surface of the mounting groove 2, the creepage distance between the metal sheets is prolonged, and there are two first baffles 6 between the two metal sheet terminals 5, which prevent the two metal sheet terminals 5 from short circuiting due to excessive voltage.

[0031] At least two lightning protection modules 3 are arranged in the mounting groove 2, wherein a fixing groove 9 for inserting and fixing the lightning protection module 3 is arranged on the groove wall of the mounting groove 2, and a horizontal plate 10 is arranged on both sides of the fixing groove 9 at the bottom of the mounting groove 2.

[0032] At least two lightning protection modules 3 are arranged on the mounting groove 2, and three lightning protection modules 3 are arranged in the embodiment, wherein a fixing groove 9 is arranged on the groove wall of the mounting groove 2, a flange 17 matched with the fixing groove 9 is arranged on the lightning protection module 3, the flange 17 is clamped in the fixing groove 9, the flanges 17 of adjacent lightning protection modules 3 are arranged in the same fixing groove 9, and a horizontal plate 10 is arranged on both sides of the fixing groove 9 at the bottom of the mounting groove 2, the horizontal plate 10 extends upward perpendicular to the bottom of the mounting groove 2, by arranging the horizontal plate 10, the creepage distance of the metal sheet terminals 5 between the two lightning protection modules 3 is prolonged, and the short circuit of the two metal sheet terminals 5 due to excessive voltage can be prevented.

[0033] By cooperating the first baffles and the horizontal plates, the creepage distance between the metal sheet terminals can reach more than 15 mm.

[0034] Embodiment 2:

[0035] The embodiment provides a surge protector, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features.

[0036] The wiring hole 11 and the screw hole 12 are provided with a second baffle 13.

[0037] Second baffle 13 is arranged on wiring hole 11 and screw hole 12, the surface distance between electrical components is increased by physical means, so as to prolong the creepage distance, ensure that there is enough isolation distance between electrical elements, prevent people from electric shock.

[0038] Embodiment 3:

[0039] The embodiment provides a surge protector, in addition to comprising the technical scheme of the above embodiment, also has the following technical features.

[0040] Also includes:

[0041] Cover plate 14 is fixedly connected on both sides of base 1, and is blocked at both ends of mounting groove 2.

[0042] Cover plate 14 is arranged on both sides of base 1, and is blocked at both ends of mounting groove 2, because the metal terminal of lightning protection module 3 is close to both sides, cover plate 14 can increase the arc distance, shield the arc, and prevent the risk of electric shock.

[0043] Embodiment 4:

[0044] The embodiment provides a surge protector, in addition to comprising the technical scheme of the above embodiment, also has the following technical features.

[0045] The end surface of base 1 is provided with a plurality of plug-in holes 15, and the cover plate 14 is provided with a plurality of plug-in rods matched with the plug-in holes 15.

[0046] The mounting mode of cover plate 14 and base 1 is detachable mounting, which is convenient for mounting and dismounting lightning protection module 3.

[0047] Embodiment 5:

[0048] The embodiment provides a surge protector, in addition to comprising the technical scheme of the above embodiment, also has the following technical features.

[0049] Lightning protection module 3 includes:

[0050] The shell 16 is provided with a flange 17 matched with the base 1.

[0051] The flange 17 can facilitate the installation of lightning protection module 3 on the base 1, increase the creepage distance of two adjacent lightning protection modules 3, and ensure that short circuit does not occur between the two lightning protection modules 3.

[0052] The base further includes a clamping groove for mounting the surge protector, a fixed clamping portion is arranged on one side of the clamping groove, and a movable clamping portion is arranged on the other side, the movable clamping portion is slidably arranged on the end surface of the base, and a spring for restoring the position of the clamping portion is arranged on the movable clamping portion, and the initial position of the clamping portion is protruding from the side wall of the clamping groove.

[0053] The embodiments of the present application are described above with reference to the accompanying drawings, and the embodiments and features in the embodiments of the present application can be combined if there is no conflict. The present application is not limited to the specifically described embodiments but covers both; the specifically described embodiments are merely illustrative and not restrictive; and any number of changes, modifications and improvements of the present application, which are apparent to those skilled in the art, can be made without departing from the spirit and scope of the present application as defined by the following claims.

Claims

1. A surge protector, characterized in that, include: The base (1) has an installation groove (2) and a lightning protection module (3) is provided in the installation groove (2). The lightning protection module (3) includes two metal plate terminals (5). The bottom of the installation groove (2) is provided with a plug interface (8) for plugging in the metal plate terminals (5). The first baffle (6) is disposed on the plug-in interface (8).

2. A surge protector according to claim 1, characterized in that, At least two lightning protection modules (3) are provided in the mounting slot (2). A fixing slot (9) for inserting and fixing the lightning protection module (3) is provided on the wall of the mounting slot (2). A horizontal plate (10) is provided on both sides of the fixing slot (9) at the bottom of the mounting slot (2).

3. A surge protector according to claim 1, characterized in that, The base (1) has a second baffle (13) on the wiring hole (11) and screw hole (12).

4. A surge protector according to claim 1, characterized in that, Also includes: Cover plate (14) is fixedly connected to both sides of base (1) and seals both ends of mounting groove (2).

5. A surge protector according to claim 4, characterized in that, The base (1) has several insertion holes (15) on both sides of the end face, and the cover plate (14) has several insertion rods that cooperate with the insertion holes (15).

6. A surge protector according to claim 4, characterized in that, The surge protection module (3) includes: The housing (16) has a flange (17) on its edge that is inserted into the base (1).