Graphite flake gap protection device for surge protection device

Abstract

A surge protection device graphite flake gap protection device is characterized in that the surge protection device graphite flake gap protection device comprises a supporting copper sheet, an alloy graphite flake, a polytetrafluoroethylene ring, a fixing bolt, an insulation sleeve, a limiting groove, a circuit board installation groove and a circuit board, the alloy graphite flake is arranged on the supporting copper sheet, the polytetrafluoroethylene ring is arranged on the alloy graphite flake, the fixing bolt is arranged on the supporting copper sheet, and the insulation sleeve is arranged on the insulation sleeve. An insulating sleeve is arranged on the fixing bolt, a limiting groove is formed in the supporting copper sheet, a circuit board mounting groove is formed in the supporting copper sheet, and a circuit board is arranged in the circuit board mounting groove; by selecting the fixing bolts with proper lengths, the two supporting copper sheets and the plurality of alloy graphite sheets are combined with the polytetrafluoroethylene rings, at the moment, the annular edge, exceeding the alloy graphite sheets, of each polytetrafluoroethylene ring is located between the two insulating sleeves, the polytetrafluoroethylene rings are limited while being isolated, deviation of the polytetrafluoroethylene rings is avoided, and the service life of the polytetrafluoroethylene rings is prolonged. And the polytetrafluoroethylene ring is fixed, so that dislocation is avoided, the deviation of a plurality of graphite structures is reduced, and higher safety is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of surge protection device, especially to the surge protection device graphite sheet gap protection device. BACKGROUND

[0002] The surge protection device is indispensable in the lightning protection of electronic equipment, and is commonly called as a lightning arrester or overvoltage protector, and the English abbreviation is SPD. The surge protection device limits the instantaneous overvoltage in the power line and signal transmission line within the voltage range that can be borne by the device or system, or discharges the powerful lightning current into the ground to protect the device or system from damage, and a large-power surge protection device with a backup protection switch CN206992033U comprises a shell, an electricity inlet mechanism, an electromagnetic mechanism, a contact mechanism, a protection gap mechanism, a fireproof mechanism, a plurality of graphite gap mechanisms, a ground wire and a circuit board, a baffle is mounted on the wire inlet port of the shell, the baffle is detachable, the circuit board is mounted on the lower side of the shell, the electricity inlet mechanism and the ground wire are divided into two parts located at the two ends of the shell, the utility model improves the traditional surge protection device, changes the structure of using the pressure-sensitive resistor as the protection chip, uses the alloy graphite sheet as the main component of the protection chip and ensures the normal operation of the device, the alloy graphite sheet in the plurality of graphite gap mechanisms can be increased or reduced according to the use requirement, different pressure-sensitive resistors do not need to be additionally purchased, only the same alloy graphite can be used, the preparation is simple, the installation is convenient and the production cost is low.

[0003] The four fluorine rings in the structure of the plurality of graphite gaps lack a fixed structure, can be dislocated, the structure of the plurality of graphite gaps is offset and contacted, and the use is affected, and the surge protection device graphite sheet gap protection device is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the above technical problems, the utility model provides a surge protection device graphite sheet gap protection device, which is characterized by comprising a support copper sheet, an alloy graphite sheet, a four fluorine ring, a fixing bolt, an insulating sleeve, a limiting groove, a circuit board mounting groove, and a circuit board, the alloy graphite sheet is arranged on the support copper sheet, the four fluorine ring is arranged on the alloy graphite sheet, the fixing bolt is arranged on the support copper sheet, the insulating sleeve is arranged on the fixing bolt, the limiting groove is arranged on the support copper sheet, the circuit board mounting groove is arranged on the support copper sheet, and the circuit board is arranged in the circuit board mounting groove.

[0005] Further, the support copper sheet has two, each alloy graphite sheet and four fluorine ring form a group, a plurality of groups of alloy graphite sheets and four fluorine rings are arranged between the two support copper sheets, the diameter of the four fluorine ring is greater than that of the alloy graphite sheet, and the four fluorine ring has a ring-shaped edge that exceeds the alloy graphite sheet.

[0006] Further, each of the support copper sheet has two threaded holes and two circular openings, and the threaded holes and the circular openings of the two support copper sheets are oppositely arranged, the fixing bolts are four, respectively inserted into the circular openings of the support copper sheets and threadedly connected with the threaded holes of the other support copper sheet, and the four fixing bolts are annularly arranged outside the tetrafluoro ring with the diameter of the tetrafluoro ring.

[0007] Further, the support copper sheet has a plurality of insulating sleeves, and the annular edge portion of the tetrafluoro ring exceeding the alloy graphite sheet is located in the gap between the two insulating sleeves.

[0008] The utility model discloses the beneficial effects of:

[0009] The utility model discloses the fixed bolt of appropriate length is selected, and two support copper sheets and a plurality of alloy graphite sheets and tetrafluoro ring are combined, and the annular edge of each tetrafluoro ring exceeding the alloy graphite sheet is located between two insulating sleeves, plays the limiting role to tetrafluoro ring while isolating tetrafluoro ring, avoids the deviation of tetrafluoro ring, fixes tetrafluoro ring, avoids the misplacement, reduces the deviation of multiple graphite structures, and is safer. DRAWINGS

[0010] Figure 1 It is whole structure schematic diagram of the utility model discloses surge protection device graphite sheet gap protection device;

[0011] Figure 2 It is internal structure schematic diagram of the utility model discloses surge protection device graphite sheet gap protection device;

[0012] Figure 3 It is partial structure schematic diagram of the utility model discloses surge protection device graphite sheet gap protection device;

[0013] As shown in the drawing: 1 support copper sheet, 2 alloy graphite sheet, 3 tetrafluoro ring, 4 fixed bolt, 5 insulating sleeve, 6 limiting groove, 7 circuit board mounting groove, 8 circuit board. DETAILED DESCRIPTION

[0014] The technical scheme of the utility model will be described clearly and completely below in combination with the drawings, and obviously, the described embodiments are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0015] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, construct and operate in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0016] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, construct and operate in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0017] Embodiment 1

[0018] The utility model provides surge protection device graphite sheet gap protection device, its characterized in being including support copper sheet 1, alloy graphite sheet 2, four fluorine ring 3, fixed bolt 4, insulating sleeve 5, limit groove 6, circuit board installation groove 7, circuit board 8, support copper sheet 1 on setting alloy graphite sheet 2, alloy graphite sheet 2 on setting four fluorine ring 3, support copper sheet 1 on setting fixed bolt 4, fixed bolt 4 on setting insulating sleeve 5, support copper sheet 1 on setting limit groove 6, support copper sheet 1 on setting circuit board installation groove 7, circuit board installation groove 7 in setting circuit board 8;

[0019] Further, support copper sheet 1 has two, and each alloy graphite sheet 2 and four fluorine ring 3 are a group, and several groups of alloy graphite sheet 2 and four fluorine ring 3 are set between two support copper sheet 1, the diameter of four fluorine ring 3 is greater than the diameter of alloy graphite sheet 2, and four fluorine ring 3 has annular edge beyond alloy graphite sheet 2;

[0020] Further, each support copper sheet 1 has two threaded holes and two circular openings, and is cross set, and the threaded hole and the circular opening of two support copper sheet 1 are oppositely set, and fixed bolt 4 has four, is inserted into the circular opening of support copper sheet 1 respectively, and is connected with the threaded hole of another support copper sheet 1 with the threaded connection, and four fixed bolts 4 are surrounded outside four fluorine ring 3 with the diameter annular of four fluorine ring 3;

[0021] Further, the support copper sheet 1 has a plurality of insulating sleeves 5, and each two insulating sleeves 5 have a gap, and the annular edge part of the alloy graphite sheet 2, which is beyond the fluorine ring 3, is located in the gap between the two insulating sleeves 5.

[0022] Embodiment 2

[0023] In use, according to actual use requirements, the number of groups of the alloy graphite sheet 2 and the fluorine ring 3 is increased, a corresponding maximum protection voltage is provided, and meanwhile, a fixing bolt 4 with a proper length is selected to combine two support copper sheets 1 and a plurality of groups of the alloy graphite sheet 2 and the fluorine ring 3, at this time, each annular edge part of the alloy graphite sheet 2, which is beyond the fluorine ring 3, is located between two insulating sleeves 5, and the fluorine ring 3 is isolated and limited at the same time, so that the fluorine ring 3 is prevented from being deviated.

[0024] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The components mentioned in the utility model are common technologies in the prior art, and should be understood by the skilled in the art. The utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only for illustrating the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements fall within the scope of the utility model. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. Surge protector graphite sheet gap protection device, characterized in that, It includes a supporting copper sheet, an alloy graphite sheet, a Teflon ring, a fixing bolt, an insulating sleeve, a limiting groove, a circuit board mounting groove, and a circuit board. The alloy graphite sheet is arranged on the supporting copper sheet, the Teflon ring is arranged on the alloy graphite sheet, the fixing bolt is arranged on the supporting copper sheet, the insulating sleeve is arranged on the fixing bolt, the limiting groove is arranged on the supporting copper sheet, the circuit board mounting groove is arranged on the supporting copper sheet, and the circuit board is arranged in the circuit board mounting groove.

2. The surge protector graphite sheet gap protection device according to claim 1, characterized in that: There are two supporting copper sheets, each of which is a group of alloy graphite sheets and PTFE rings. Several combinations of alloy graphite sheets and PTFE rings are arranged between the two supporting copper sheets. The diameter of the PTFE ring is larger than that of the alloy graphite sheet, and the PTFE ring has an annular edge that exceeds the alloy graphite sheet.

3. The surge protector graphite sheet gap protection device according to claim 1, characterized in that: Each of the supporting copper sheets has two threaded holes and two circular openings, which are arranged crosswise. The threaded holes and circular openings of the two supporting copper sheets are arranged opposite to each other. There are four fixing bolts, which are respectively inserted into the circular openings of the supporting copper sheets and threadedly connected to the threaded holes of the other supporting copper sheet. The four fixing bolts are annularly surrounded on the outside of the Teflon ring with a diameter of the Teflon ring.

4. The surge protector graphite sheet gap protection device according to claim 1, characterized in that: The supporting copper sheet is provided with a plurality of insulating sleeves, with a gap between every two insulating sleeves. The PTFE ring exceeds the annular edge of the alloy graphite sheet and is located in the gap between the two insulating sleeves.

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