CN220914592U - High-performance high-voltage three-phase power supply surge protector - Google Patents

Abstract

The utility model provides a high-performance high-voltage three-phase power supply surge protector, which comprises a base assembly (1) and a plurality of plug modules (2); the bottom of the base assembly (1) is detachably connected to the metal guide rail through a mounting structure; a tripping spring piece (4), a sliding block (5), a tension spring (6) and a button (7) are arranged in each plug module (2); the sliding block (5) is fixed by the tripping elastic sheet (4) and is pulled by the tension spring (6) to have the trend of sliding horizontally in the plug module (2); the button (7) is movably hung at the bottom of the sliding block (5) and is limited to move horizontally; a micro switch (8) is arranged below each module mounting groove (3); the pressing rod at the bottom of the button (7) can press the contact handle of the micro switch (8) after moving downwards. The utility model has the advantages of quick and stable installation and overheat protection function.

Description

High-performance high-voltage three-phase power supply surge protector

Technical Field

The utility model relates to the technical field of electric protection, in particular to a high-performance high-voltage three-phase power supply surge protector.

Background

The power supply surge protector is also called a power supply lightning protector, can protect lightning influence or other transient overvoltage surges in a power supply system, is widely applied to the fields of power industry, communication industry, petrochemical industry, building industry and the like, and provides guarantee for safe operation of electrical equipment.

Common power surge protectors often have difficulty compromising safety and ease of use, such as: the connection of the protector module is not firm, looseness is easy to occur under impact, and the hidden trouble of remote signaling false alarm is caused; in order to ensure that the plugging positions of the protector modules are combined too firmly, the difficulty of plugging is increased, so that special tools are required to be adopted during maintenance or replacement, and the maintenance or replacement is troublesome.

The applicant discloses in patent CN 207475188U an anti-drop power surge protector which is fast to plug, stable to plug and capable of preventing erroneous plug, and improves safety and usability, but the protector has certain electrical safety hidden trouble under severe working conditions, high altitude areas or high voltage working conditions.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, and provides a high-performance high-voltage three-phase power supply surge protector which has an overheat protection function under the condition of rapid and stable installation, and is realized by the following technical scheme:

A high-performance high-voltage three-phase power supply surge protector comprises a base assembly and a plurality of plug modules; a plurality of module mounting grooves are formed in the base assembly side by side; the plurality of plug modules are detachably arranged in the module mounting groove; the bottom of the base assembly is detachably connected to the metal guide rail through a mounting structure; a tripping spring piece, a sliding block, a tension spring and a button are arranged in each plug module; the sliding block is fixed by the tripping elastic sheet and is pulled by the tension spring, so that the sliding block has a trend of sliding horizontally in the plug module; the button is movably hung at the bottom of the sliding block and is limited to move horizontally; a micro switch is arranged below each module mounting groove; the pressing rod at the bottom of the button can press the touch handle of the micro switch after moving downwards.

Optionally or preferably, the plug module further comprises an inner housing; a guide bone B and a guide bone C are arranged in the inner shell; the guide bone B is matched with the sliding block, so that the sliding block can horizontally move; the guide bone C cooperates with the button such that the button can only move vertically.

Optionally or preferably, the plug module further comprises a housing; the shell is arranged on the outermost layer of the plug-in module; a pair of guide bones A are arranged on the side walls of the two ends of each module mounting groove; a pair of module guide plates are arranged on the outer walls of the two ends of the shell; during installation, the guide rib A and the module guide plate positioned on the same side of each module installation groove can be matched with each other to limit the horizontal movement of the pluggable module.

Optionally or preferably, the upper part of the shell is provided with a finger press buckle; the finger is pressed and buckled: the top of the finger pressing buckle is movably connected to the upper part of the shell, and the lower part of the finger pressing buckle is provided with a buckle matched with the module mounting groove; the outer surface of the finger pressing buckle is also provided with anti-skid patterns.

Optionally or preferably, the plug module further comprises an inner shell and an outer shell; the outer shell is covered outside the inner shell; a gap exists between the top of the outer shell and the top of the inner shell; the sliding block comprises a warning structure; the warning structure is positioned in the gap and can synchronously move with the sliding block; the top of shell is equipped with visual structure, can observe through visual structure whether the warning structure removes.

Optionally or preferably, a fool-proof structure is arranged at the bottom of each plug module; the tank bottom of each module installation tank is provided with a corresponding fool-proof matching structure.

Optionally or preferably, the mounting structure includes a guide rail groove, a fixed buckle and a movable buckle; the guide rail groove is formed in the bottom of the base assembly; one side of the guide rail groove is provided with a fixed buckle, and the other side of the guide rail groove is provided with a movable buckle; the fixing buckle is fixedly connected to the groove wall of the guide rail groove and can be matched with the metal guide rail; the movable buckle is embedded at the lower part of the base component; the movable buckle comprises a handle, a structural rod, a clamping structure and a spring; the handle extends out of the base assembly and is positioned at the outer side of the base assembly; the structure rod is connected with the handle and matched with the spring; the clamping structure is arranged at one end of the structural rod far away from the handle, and the shape of the clamping structure can be matched with the metal guide rail; the spring is arranged in the mounting groove at the lower part of the base component and can push the structural rod, so that the movable buckle can cooperate with the fixed buckle under the action of the spring force, and the base component is clamped on the metal guide rail.

Optionally or preferably, further comprising a plurality of insulating tubes; the insulating tube sets up on the base subassembly, encloses to establish in the outside of wiring mouth, prevents to appear breaking down under the high pressure and switches on the phenomenon.

Based on the technical scheme, the high-performance high-voltage three-phase power supply surge protector is convenient to plug, and each plug module is provided with an independent over-temperature and over-current monitoring protection mechanism, so that the protector can work for a long time in a severe environment and the safety of electric equipment is protected.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view (perspective view) of the present utility model;

FIG. 2 is a schematic view (cross-sectional view) of the structure of the present utility model;

FIG. 3 is a schematic view (perspective) of a base assembly according to the present utility model;

FIG. 4 is a schematic view (cross-sectional view) of a plug module according to the present utility model;

FIG. 5 is a schematic view (perspective view) of the inner shell according to the present utility model;

FIG. 6 is a schematic view (perspective) of the structure of the housing of the present utility model;

fig. 7 is a schematic structural view (perspective view) of the mounting structure of the present utility model;

fig. 8 is a schematic structural view (cross-sectional view) of the mounting structure of the present utility model;

FIG. 9 is a circuit diagram of the protection principle of the present utility model;

FIG. 10 is a schematic view (bottom view) of the internal structure of the present utility model;

the drawings illustrate:

The device comprises a 1-base assembly, a 2-plug module, a 3-module mounting groove, a 4-trip elastic piece, a 5-sliding block, a 6-tension spring, a 7-button, an 8-micro switch, a 9-foolproof structure, a 10-compression spring, an 11-insulation tube, a 101-guide rail groove, a 102-fixed buckle, a 103-movable buckle, a 104-ground wire interface, a 105-first fire wire interface, a 106-second fire wire interface, a 107-third fire wire interface, a 108-zero wire interface, a 109-insulation framework, a 201-inner shell, a 301-guide bone A, a 302-foolproof matching structure, a 202-outer shell, a 20101-guide bone B, a 20102-guide bone C, a 20202-module guide plate, a 20203-finger press buckle, a 20204-visual structure and a 501-warning structure.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and the following embodiments and features of the embodiments may be combined with each other without conflict.

In a preferred embodiment:

The embodiment provides a high-performance high-voltage three-phase power supply surge protector, which is shown in fig. 1 and comprises a base assembly 1 and a plurality of plug modules 2; a plurality of module mounting grooves 3 are arranged on the base assembly 1 side by side; a plurality of plug modules 2 are detachably arranged in the module mounting grooves 3.

The bottom of the base assembly 1 is detachably connected to the metal guide rail through a mounting structure;

Specifically, as shown in fig. 7 and 8, the mounting structure includes a rail groove 101, a fixed buckle 102, and a movable buckle 103; the guide rail groove 101 is formed in the bottom of the base assembly 1; a fixed buckle 102 is arranged on one side of the guide rail groove 101, and a movable buckle 103 is arranged on the other side of the guide rail groove 101; the fixing buckle 102 is fixedly connected to the groove wall of the guide rail groove 101 and can be matched with the metal guide rail; the movable buckle 103 is embedded in the lower part of the base component 1; the movable buckle 103 comprises a handle, a structural rod, a clamping structure and a spring; the handle extends out of the base assembly 1 and is positioned outside the base assembly 1; the structure rod is connected with the handle and matched with the spring; the clamping structure is arranged at one end of the structural rod far away from the handle, and the shape of the clamping structure can be matched with the metal guide rail; the spring is arranged in the mounting groove at the lower part of the base component 1 and can push the structural rod, so that the movable buckle can cooperate with the fixed buckle 102 under the action of the spring force to clamp the base component 1 on the metal guide rail;

Further, as shown in fig. 8, in this embodiment, the insulation of the base component 1 is not damaged by the arrangement of the movable buckle 103, and a plurality of insulation pipes 11 are further arranged on the base component 1, and the insulation pipes 1 are enclosed outside the wiring port, so that breakdown conduction phenomenon is prevented from occurring under high voltage, the surge protector can be compatible with higher voltage, no sparking phenomenon occurs, and reliability of electrical safety performance is provided more effectively; in addition, the material of the movable buckle 103 can be plastic or metal, and can be freely selected according to practical application scenes.

Further, as shown in fig. 10, an insulating skeleton is arranged between each terminal and each connecting strip in the base assembly 1, and under the condition of meeting the standardized size, the electrical safety distance between each charged component is increased, so that higher voltage can be compatible, and the compatible voltage reaches 400/690Vac.

As shown in fig. 2, 4 and 5, a trip spring 4, a sliding block 5, a tension spring 6 and a button 7 are arranged in each plug module 2; the sliding block 5 is fixed by the tripping elastic sheet 4 and is pulled by the tension spring 6, so that the sliding block tends to slide horizontally in the plugging module 2; the button 7 is movably hung at the bottom of the sliding block 5 and is limited to move horizontally; a micro switch 8 is arranged below each module mounting groove 3; a pressure spring 10 is arranged between the button 7 and the sliding block 5, and when the button 7 is separated from the sliding block 5, the button can be pressed down under the action of the pressure spring 10; the pressing rod at the bottom of the button 7 can press the contact handle of the micro switch 8 after moving downwards.

Further, as shown in fig. 5, in this embodiment, the plug module 2 further includes an inner housing 201; a guide bone B20101 and a guide bone C20102 are arranged in the inner shell 201; the guide rib B20101 is matched with the sliding block 5, so that the sliding block 5 can only move horizontally, and the number of the guide rib B20101 and the number of the tension springs 6 are two and are respectively positioned above and below the trip elastic sheet 4, so that the fixing and moving stability of the sliding block 5 can be ensured; the guide bone C20102 is matched with the button 7, so that the button 7 can only move vertically, and a pressing rod of the button 7 can be rapidly and accurately pressed down to close the micro switch 8 after the trip elastic sheet 4 is tripped;

In this embodiment, the pressing rod of the button 7 is not in a normal pressure state to the contact handle of the micro switch 8, and only after a fault occurs, the contact handle of the micro switch 8 is pressed down, so that the remote signaling circuit is changed from a closed circuit to an open circuit.

Further, as shown in fig. 4 and 6, in this embodiment, the plug module 2 further includes a housing 202; the shell 202 is arranged on the outermost layer of the plug module 2; a pair of guide bones A301 are arranged on the side walls of the two ends of each module mounting groove 3; a pair of module guide plates 20202 are arranged on the outer walls of the two ends of the shell 202; when the module is installed, the guide rib A301 and the module guide plate 20202 which are positioned on the same side of each module installation groove 3 can be matched with each other, so that the horizontal movement of the plug module 2 is limited, and the plug module 2 can be stably inserted transversely under the impact.

Further, as shown in fig. 2 and 4, in the present embodiment, a gap exists between the top of the outer case 202 and the top of the inner case 201; the sliding block 5 comprises a warning structure 501; the warning structure 501 is positioned in the gap, and the warning structure 501 can synchronously move with the sliding block 5; the top of the shell 202 is provided with a visual structure 20204, and whether the warning structure 501 moves or not can be observed through the visual structure 20204;

Further, the warning structure 501 and the inner shell 201 have different colors or marks are arranged on the warning structure 501, for example, the warning structure 501 is green, and the inner shell 201 is red; in this embodiment, the visual structure 20204 is located above the original position of the warning structure 501, when the plug module 2 works normally, the user can see the green warning structure 501 from the visual structure 20204, which represents that the state of the plug module 2 is normal, when the trip elastic sheet 4 melts, and the plug module 2 is in an over-temperature and over-current state, the warning structure 501 moves along with the sliding block 5, and the user sees the red inner shell 201 from the visual structure 20204, which represents that the state of the plug module 2 is abnormal, and alerts the user that the plug module 2 needs to be replaced in time.

Further, as shown in fig. 3 and 5, in this embodiment, a fool-proof structure 9 is disposed at the bottom of each plug module 2; the bottom of each module mounting groove 3 is provided with a corresponding fool-proof matching structure 302; specifically, the different plug modules 2 have foolproof structures 9 with different shapes, and the corresponding module mounting slots 3 also have corresponding different foolproof mating structures 302, so as to prevent the plug modules 2 from being inserted into the wrong module mounting slots 3; further, the fool-proof structure 9 may be a heteroplasmic cylindrical structure or a polygonal cylindrical structure, and the user can judge the fool-proof matching structure 302 corresponding to the fool-proof structure 9 by checking the shape, and the fool-proof structure 9 cannot be inserted into the non-corresponding fool-proof matching structure 302, so as to avoid the user from misloading.

The beneficial effects of this embodiment include:

(1) The through-flow capacity is large, and the limiting voltage is low;

(2) The action voltage is proper, and the protection circuit is stable;

(3) Built-in over-temperature and over-current protection is realized, no follow current exists, and the safety and the reliability are high;

(4) The module can be inserted and pulled out, the module is prevented from being inserted by mistake, the module can be replaced, and the maintenance is convenient;

(5) Under the conditions of large current impact and strong vibration, the mounting structure can ensure the stable mounting of the protector, and the inner shell and the outer shell can ensure the stability and the non-loosening of the plug module;

(6) The system has the functions of state indication and alarm;

(7) Can work for a long time under severe environment, is fixed by the deflector between each plug module, simple to operate, and it is simple to maintain.

The working principle and the use flow of the embodiment are as follows:

During installation, checking the fool-proof structure 9, checking the corresponding fool-proof matching structure 302, and inserting the plug module 2 into the correct module installation groove 3; pulling out the pull ring of the movable buckle 103, so that the fixed buckle 102 buckles the edge of the metal guide rail, the guide rail groove 101 is attached to the metal guide rail, and loosening the pull ring of the movable buckle 103, wherein the clamping structure of the movable buckle 103 automatically buckles the other edge of the metal guide rail under the action of a spring, so that the high-performance high-voltage three-phase power supply surge protector is firmly fixed; the high-performance high-voltage three-phase power supply surge protector is electrically connected with an electric facility, the electric protection principle of the high-performance high-voltage three-phase power supply surge protector is shown in fig. 9, and the description of the electric protection principle is omitted in the prior art;

When the high-performance high-voltage three-phase power supply surge protector is used, if the high-performance high-voltage three-phase power supply surge protector is in a normal working state, a user can see green indication from the visual structure 20204; when the user sees the red indication, the state of the plug-in module 2 is abnormal, so that the user is reminded of replacement and maintenance;

When the maintenance is required to be disassembled, a user can take the protector off the metal guide rail by pulling the pull ring of the movable buckle 103, and take the failed pluggable module 2 off the module installation groove 3 by pressing the finger press buckle 20203.

The foregoing is merely a preferred embodiment of the utility model, and it is to be understood that the utility model is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims (8)

1. A high-performance high-voltage three-phase power supply surge protector comprises a base assembly (1) and a plurality of plug modules (2); a plurality of module mounting grooves (3) are formed in the base assembly (1) side by side; a plurality of plug modules (2) are detachably arranged in the module mounting groove (3), and are characterized in that: the bottom of the base assembly (1) is detachably connected to the metal guide rail through a mounting structure; a tripping spring piece (4), a sliding block (5), a tension spring (6) and a button (7) are arranged in each plug module (2); the sliding block (5) is fixed by the tripping elastic sheet (4) and is pulled by the tension spring (6) to have the trend of sliding horizontally in the plug module (2); the button (7) is movably hung at the bottom of the sliding block (5) and is limited to move horizontally; a micro switch (8) is arranged below each module mounting groove (3); the pressing rod at the bottom of the button (7) can press the contact handle of the micro switch (8) after moving downwards.

2. A high performance high voltage three phase power supply surge protector as defined in claim 1 wherein: the plug module (2) further comprises an inner shell (201); a guide bone B (20101) and a guide bone C (20102) are arranged in the inner shell (201); the guide bone B (20101) is matched with the sliding block (5) so that the sliding block (5) can only move horizontally; the guide bone C (20102) cooperates with the button (7) such that the button (7) can only move vertically.

3. A high performance high voltage three phase power supply surge protector as defined in claim 1 wherein: the plug module (2) further comprises a housing (202); the shell (202) is arranged on the outermost layer of the plug module (2); a pair of guide bones A (301) are arranged on the side walls of the two ends of each module mounting groove (3); a pair of module guide plates (20202) are arranged on the outer walls of the two ends of the shell (202); when the module is installed, the guide rib A (301) and the module guide plate (20202) which are positioned on the same side of each module installation groove (3) can be matched with each other to limit the horizontal movement of the plug module (2).

4. A high performance high voltage three phase power supply surge protector as defined in claim 3 wherein: a finger pressing buckle (20203) is arranged at the upper part of the shell (202); the top of the finger pressing buckle (20203) is movably connected to the upper part of the shell (202), and a buckle matched with the module mounting groove (3) is arranged at the lower part of the finger pressing buckle (20203); the outer surface of the finger pressing buckle (20203) is also provided with anti-skid patterns.

5. A high performance high voltage three phase power supply surge protector as defined in claim 1 wherein: the plug module (2) further comprises an inner shell (201) and an outer shell (202); the outer shell (202) is covered outside the inner shell (201); a gap exists between the top of the outer shell (202) and the top of the inner shell (201); the sliding block (5) comprises a warning structure (501); the warning structure (501) is positioned in the gap, and the warning structure (501) can synchronously move with the sliding block (5); a visual structure (20204) is arranged on the top of the shell (202), and whether the warning structure (501) moves or not can be observed through the visual structure (20204).

6. A high performance high voltage three phase power supply surge protector as defined in claim 1 wherein: the bottom of each plug module (2) is provided with a fool-proof structure (9); the bottom of each module installation groove (3) is provided with a corresponding fool-proof matching structure (302).

7. A high performance high voltage three phase power supply surge protector as defined in claim 1 wherein: the mounting structure comprises a guide rail groove (101), a fixed buckle (102) and a movable buckle (103); the guide rail groove (101) is formed in the bottom of the base assembly (1); one side of the guide rail groove (101) is provided with a fixed buckle (102), and the other side is provided with a movable buckle (103); the fixing buckle (102) is fixedly connected to the groove wall of the guide rail groove (101) and can be matched with the metal guide rail; the movable buckle (103) is embedded at the lower part of the base component (1); the movable buckle (103) comprises a handle, a structural rod, a clamping structure and a spring; the handle extends out of the base assembly (1) and is positioned outside the base assembly (1); the structure rod is connected with the handle and matched with the spring; the clamping structure is arranged at one end of the structural rod far away from the handle, and the shape of the clamping structure can be matched with the metal guide rail; the spring is arranged in the mounting groove at the lower part of the base component (1) and can push the structural rod, so that the movable buckle can cooperate with the fixed buckle (102) under the action of the spring force to clamp the base component (1) on the metal guide rail.

8. A high performance high voltage three phase power supply surge protector as defined in claim 1 wherein: also comprises a plurality of insulating tubes (11); the insulating tube (11) is arranged on the base assembly (1) and is arranged outside the wiring port in a surrounding mode, and breakdown conduction phenomenon is prevented under high voltage.