Integrated boss structure graphite plate-loaded 40KA lightning protection module
The design of an integrated boss structure and a graphite-board-mounted 40KA lightning protection module solves the problems of poor heat transfer and unstable tripping points of surge protectors, achieves reliable current conduction and thermal management, and ensures equipment safety.
Patent Information
- Application Number
- CN202422628188.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-30
AI Technical Summary
Existing surge protectors have poor heat transfer, numerous and unstable trip point connectors, and insufficient thermal insulation between the laminated discharge mechanism and the PCB and housing, making the device susceptible to thermal deformation or damage when a line fault occurs.
The graphite plate-mounted 40KA lightning protection module with an integrated boss structure is connected to the tripping shrapnel through the integrated boss. Combined with the laminated graphite discharge module and thermal insulation design, it improves the thermal conductivity performance and realizes reliable tripping point isolation through the sliding block and spring.
It improves the current conduction reliability and enhances the thermal conductivity, meets the heat dissipation requirements of 800V and 75A high current, avoids overheating and deformation of the equipment, and realizes reliable tripping and alarm functions.
Smart Images
Figure CN223451631U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electrical protection technical field, concretely relates to a one -piece boss structure graphite board carries 40KA lightning protection module. BACKGROUND
[0002] Surge protector is commonly used to protect electrical system, prevent electrical equipment from damage due to lightning or overvoltage failure. The existing surge protector trip point is multi-stage electrode combination, the heat transfer effect is relatively poor, and cannot trip in time. Moreover, the existing surge protector is insufficient in heat insulation between the laminated discharge mechanism and the PCB and the shell, and the PCB and the shell are prone to heat deformation or damage after line fault occurs. SUMMARY
[0003] The utility model discloses a one -piece boss structure graphite board carries 40KA lightning protection module, and the specific realization is through the following technical scheme:
[0004] A one -piece boss structure graphite board carries 40KA lightning protection module, shell, inner shell, laminated discharge mechanism, bottom plate;
[0005] The inner shell is installed in the shell, the laminated discharge mechanism is arranged in the inner shell, one end of the laminated discharge mechanism is provided with an integrated boss, the boss extends from the inner shell, and the boss is welded and connected with a tripping spring piece to form a trip point, the other end of the tripping spring piece is fixedly connected with a first pin, and the other end of the laminated discharge mechanism is electrically connected with a second pin.
[0006] The shell is a box body structure with a downward opening, the inner shell, the laminated discharge mechanism and the bottom plate are covered in the shell, and an alarm window is further arranged on the shell.
[0007] Optionally or preferably, a sliding block and a spring are further included, the sliding block is arranged on the inner shell and can slide along the inner shell, and the two compression ends of the spring are supported on the sliding block and the inner shell respectively, when the trip point is not tripped, the sliding block is limited by the tripping spring piece, and when the trip point is fused and tripped, the sliding block moves under the action of the spring, so that the boss is separated from the tripping spring piece.
[0008] Optionally or preferably, the laminated discharge mechanism includes a plurality of graphite sheets, a plurality of insulating sheets, a first electrode, a second electrode, a third electrode and a mounting bracket, the plurality of graphite sheets and the plurality of insulating sheets are arranged at intervals to form a laminated graphite discharge module, the laminated graphite discharge module is installed in the mounting bracket, the third electrode is inserted in the middle of the laminated graphite discharge module, and the third electrode is attached to the graphite sheets on both sides, and the third electrode is electrically connected with a third pin.
[0009] The first electrode and the second electrode are respectively arranged at two ends of the laminated graphite discharge module; the first electrode is an integral plate structure provided with a boss; and the second electrode is electrically connected with a second pin.
[0010] Optionally or preferably, the laminated discharge mechanism further comprises a plurality of soldering pins and a PCB board; the PCB board is arranged on the side of the mounting bracket; the PCB board is in contact with each graphite sheet through the plurality of soldering pins, and the PCB board is connected with the soldering pins through soldering.
[0011] Optionally or preferably, the laminated discharge mechanism further comprises a top cover partition plate and a bottom cover partition plate; the top cover partition plate is arranged at the top of the laminated graphite discharge module and is used for separating the laminated graphite discharge module from the shell; and the bottom cover partition plate is arranged at the bottom of the laminated graphite discharge module and is used for separating the laminated graphite discharge module from the bottom plate.
[0012] Optionally or preferably, the laminated discharge mechanism further comprises a first remote signaling spring and a second remote signaling spring; the first remote signaling spring and the second remote signaling spring are arranged at the bottom of the inner shell; when the tripping point is not tripped, the first remote signaling spring is pressed by the sliding block and is in pressure contact with the second remote signaling spring; and when the tripping point is tripped, the first remote signaling spring and the second remote signaling spring are separated from each other and disconnected.
[0013] Based on the above technical solutions, the laminated discharge mechanism can produce the following technical effects:
[0014] (1) The laminated discharge mechanism comprises an integrated boss and a tripping spring to form a tripping point, thereby reducing the number of connecting parts and improving the reliability of current conduction;
[0015] (2) The laminated discharge mechanism adopts an integrated boss structure for heat conduction, and the heat conduction performance is better;
[0016] (2) The laminated discharge mechanism has an AC thermal tripping capacity of 800V and a large current of 75A, and can meet the heat dissipation and connection requirements. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from the structures shown in the drawings without creative labor.
[0018] Figure 1 It is a structural schematic view (perspective view) of the present application;
[0019] Figure 2 It is a structural schematic view (not showing the shell) of the present application;
[0020] Figure 3 It is the structure schematic view (explosion view) of the laminated discharge mechanism in the utility model;
[0021] Figure 4 It is the general assembly explosion view of the utility model;
[0022] Figure 5 It is the remote signaling spring piece schematic view (not tripped) of the utility model;
[0023] Figure 6 It is the remote signaling spring piece schematic view (after tripping) of the utility model;
[0024] In the drawing description:
[0025] 1-outer shell, 2-inner shell, 3-laminated discharge mechanism, 4-bottom plate, 5-tub, 6-sliding block, 7-spring, 8-first pin, 9-second pin, 10-third pin, 11-trip spring piece, 12-first remote signaling spring piece, 13-second remote signaling spring piece, 16-alarm window,
[0026] 301-graphite sheet, 302-insulating sheet, 303-first electrode, 304-second electrode, 305-third electrode, 306-mounting bracket, 307-welding needle, 308-PCB board, 309-top cover baffle, 310-bottom cover baffle. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments, the following embodiments and the features in the embodiments can be combined mutually without conflict.
[0028] In a preferred embodiment:
[0029] The embodiment provides a one-piece tub structure graphite plate load 40KA lightning protection module, as shown in Figure 1 And Figure 2 As shown, including outer shell 1, inner shell 2, laminated discharge mechanism 3, bottom plate 4;
[0030] The inner shell 2 is installed in the outer shell 1;The laminated discharge mechanism 3 is arranged in the inner shell 2;One end of the laminated discharge mechanism 3 is provided with an integrated tub 5;The tub 5 is stretched from the inner shell 2, and the tub 5 is welded with the trip spring piece 11, which constitutes a tripping point;The other end of the trip spring piece 11 is fixedly connected with the first pin 8;The other end of the laminated discharge mechanism 3 is electrically connected with the second pin 9.
[0031] Specifically, as shown in Figure 1 The outer shell 1 is a downwardly open box structure; the inner shell 2, the laminated discharge mechanism 3 and the bottom plate 4 are covered in the outer shell 1; the outer shell 1 is further provided with an alarm window 16.
[0032] Further, as shown in Figure 2 , 3 and 4, the sliding block 6 and the spring 7 are further included; the sliding block 6 is arranged on the inner shell 2 and can slide along the inner shell 2; the two compression ends of the spring 7 are respectively supported on the sliding block 6 and the inner shell 2; when the tripping point is not tripped, the sliding block 6 is limited by the tripping spring 11; when the tripping point is fused and tripped, the sliding block 6 is moved under the action of the spring 7, thereby disconnecting the boss 5 from the tripping spring 11.
[0033] Further, as shown in Figure 3 and 4 The laminated discharge mechanism 3 includes a plurality of graphite sheets 301, a plurality of insulating sheets 302, a first electrode 303, a second electrode 304, a third electrode 305 and a mounting bracket 306; the plurality of graphite sheets 301 and the plurality of insulating sheets 302 are arranged at intervals to form a laminated graphite discharge module, which is arranged in the mounting bracket 306; the third electrode 305 is inserted in the middle of the laminated graphite discharge module, and the two sides of the third electrode 305 are attached to the graphite sheets 301; the third electrode 305 is electrically connected with the third pin 10;
[0034] The first electrode 303 and the second electrode 304 are respectively arranged at the two ends of the laminated graphite discharge module; the first electrode 303 is an integral plate structure provided with the boss 5; the second electrode 304 is electrically connected with the second pin 9.
[0035] In the embodiment, as shown in Figure 3 The laminated discharge mechanism 3 further includes a plurality of soldering pins 307 and a PCB board 308; the PCB board 308 is arranged on the side of the mounting bracket 306, thereby being separated from the laminated graphite discharge module to reduce the heat influence; the PCB board 308 is in contact with each graphite sheet 301 through the plurality of soldering pins 307, and the PCB board 308 is connected with the soldering pins 307 by soldering. The requirements of 800V, 75A large current heat dissipation and connection are met.
[0036] Further, the laminated discharge mechanism 3 further includes a top cover partition 309 and a bottom cover partition 310; the top cover partition 309 is arranged at the top of the laminated graphite discharge module and is used for separating the laminated graphite discharge module from the outer shell 1; the bottom cover partition 310 is arranged at the bottom of the laminated graphite discharge module and is used for separating the laminated graphite discharge module from the bottom plate 4. The top cover partition 309 can block the heat transfer of the laminated discharge mechanism 3 to the outer shell 1, thereby avoiding the deformation of the outer shell 1 due to overheating
[0037] Further, as shown in Figure 4 、 5 and 6, the first remote signaling spring 12 and the second remote signaling spring 13 are further included; the first remote signaling spring 12 and the second remote signaling spring 13 are arranged at the bottom of the inner shell 2; when the tripping point is not tripped, the first remote signaling spring 12 is pressed by the sliding block 6 and is in pressure contact with the second remote signaling spring 13; when the tripping point is tripped, the first remote signaling spring 12 and the second remote signaling spring 13 are separated from each other and are disconnected.
[0038] The working principle of the embodiment is as follows:
[0039] In normal operation, the sliding block 6 is limited by the tripping spring 11 and is in the position as shown in Figure 2 and Figure 5 The user can see the sliding block 6 from the alarm window 16, indicating that the tripping point is not tripped; when the overcurrent or overheating condition occurs, the tripping point is tripped, the tripping spring 11 is separated from the boss 5, the sliding block 6 is moved under the action of the spring 7, the user cannot see the sliding block 6 from the alarm window 16, the first remote signaling spring 12 is no longer limited by the sliding block 6 and is separated from the second remote signaling spring 13, and a remote signaling alarm is sent.
[0040] The above description is only the preferred embodiment of the utility model, and it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein by the above teaching or related technical or knowledge. The modification and change made by the person skilled in the art without departing from the spirit and scope of the utility model should be within the protection scope of the claims of the utility model.
Claims
1. An integrated boss structure graphite plate-mounted 40KA lightning protection module, characterized by: It comprises an outer shell (1), an inner shell (2), a laminated discharge mechanism (3), and a bottom plate (4); The inner shell (2) is installed in the outer shell (1); the laminated discharge mechanism (3) is arranged in the inner shell (2); one end of the laminated discharge mechanism (3) is provided with an integrated boss (5); the boss (5) extends from the inner shell (2), and the boss (5) is welded to a tripping spring (11) to form a tripping point; the other end of the tripping spring (11) is fixedly connected to a first pin (8); and the other end of the laminated discharge mechanism (3) is electrically connected to a second pin (9).
2. The integrated boss structure graphite plate-mounted 40KA lightning protection module according to claim 1, characterized in that: The outer shell (1) is a box structure with a downward opening; the outer shell (1) shields the inner shell (2), the laminated discharge mechanism (3) and the bottom plate (4); and an alarm window (16) is also provided on the outer shell (1).
3. The integrated boss structure graphite plate-mounted 40KA lightning protection module according to claim 1, characterized in that: The invention also includes a sliding block (6) and a spring (7); the sliding block (6) is arranged on the inner shell (2) and can slide along the inner shell (2); the two compression ends of the spring (7) are respectively supported on the sliding block (6) and the inner shell (2); when the trip point is not released, the sliding block (6) is limited by the trip spring (11); when the trip point is melted and released, the sliding block (6) is moved by the force of the spring (7), thereby isolating the boss (5) from the trip spring (11).
4. The integrated boss structure graphite plate-mounted 40KA lightning protection module according to claim 1, characterized in that: The laminated discharge mechanism (3) comprises a plurality of graphite sheets (301), a plurality of insulating sheets (302), a first electrode (303), a second electrode (304), a third electrode (305), and a mounting bracket (306); the plurality of graphite sheets (301) and the plurality of insulating sheets (302) are arranged at intervals to form a laminated graphite discharge module, and the laminated graphite discharge module is mounted in the mounting bracket (306); the third electrode (305) is inserted in the middle of the laminated graphite discharge module, and both sides of the third electrode (305) are in contact with the graphite sheet (301); the third electrode (305) is electrically connected to the third pin (10); The first electrode (303) and the second electrode (304) are respectively arranged at two ends of the laminated graphite discharge module; the first electrode (303) is an integrated plate structure provided with a boss (5); and the second electrode (304) is electrically connected to the second pin (9).
5. The integrated boss structure graphite plate-mounted 40KA lightning protection module according to claim 4, characterized in that: The laminated discharge mechanism (3) further comprises a plurality of welding pins (307) and a PCB board (308); the PCB board (308) is arranged on the side of the mounting bracket (306); the PCB board (308) contacts each graphite sheet (301) through the plurality of welding pins (307), and the PCB board (308) is connected to the welding pins (307) by welding.
6. The integrated boss structure graphite plate-mounted 40KA lightning protection module according to claim 4, characterized in that: The laminated discharge mechanism (3) further comprises a top cover partition (309) and a bottom cover partition (310); the top cover partition (309) is arranged at the top of the laminated graphite discharge module and is used to separate the laminated graphite discharge module from the housing (1); the bottom cover partition (310) is arranged at the bottom of the laminated graphite discharge module and is used to separate the laminated graphite discharge module from the bottom plate (4).
7. The integrated boss structure graphite plate-mounted 40KA lightning protection module according to claim 1, characterized in that: The invention also comprises a first remote signaling shrapnel (12) and a second remote signaling shrapnel (13); the first remote signaling shrapnel (12) and the second remote signaling shrapnel (13) are installed at the bottom of the inner shell (2); when the tripping point is not released, the first remote signaling shrapnel (12) is pressed by the sliding block (6) and is connected to the second remote signaling shrapnel (13); when the tripping point is released, the first remote signaling shrapnel (12) and the second remote signaling shrapnel (13) are separated from each other and disconnected.