CN111654014B

CN111654014B - Electric power engineering surge protector

Info

Publication number: CN111654014B
Application number: CN202010782094.8A
Authority: CN
Inventors: 张悦
Original assignee: Individual
Current assignee: Shandong Guofeng Construction Group Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2020-11-27
Anticipated expiration: 2040-08-06
Also published as: CN111654014A

Abstract

The invention discloses a surge protector for electric power engineering, which comprises an outer shell and a front shell fixedly connected with the front end of the outer shell, wherein an inner shell is arranged in an inner cavity of the outer shell, a connecting plate is fixedly connected between the outer shell and the inner shell, pressure ports are formed in shells on two sides of the center of the inner shell, pressure pads are respectively sleeved in the two pressure ports, supports are respectively and fixedly arranged on one sides, close to each other, of the two pressure pads, the side surfaces of the two supports are respectively and rotatably connected with a transmission rod through a rotating shaft, and a clamping rod is rotatably connected between the two transmission rods on the. According to the invention, the elastic hot melting protection mechanism is adopted, at the moment, the two pressure pads are close to each other, so that filling liquid in the two filling cavities leaks out to carry out isolation fire extinguishing, the damage to the outer shell when the inner cavity of the inner shell bursts is reduced, and the automatic disconnection control is realized when the locking screw on the outer shell loosens by adopting the installation linkage disconnection structure.

Description

Electric power engineering surge protector

Technical Field

The invention belongs to the technical field of electrical equipment, and particularly relates to a surge protector for electric power engineering.

Background

The power surge protector is also called a power lightning protector, is suitable for protecting indirect lightning and direct lightning influence or other transient overvoltage surges in a power supply system with alternating current of 50/60HZ and rated voltage of 220V/380V, is suitable for the requirements of surge protection in household residences, third industry and industrial fields, and has protection modes of relative phase, relative ground, relative neutral line, neutral line to ground, combination of the relative phase, the relative ground, the neutral line to ground and the like.

Power surge protector receives extensive use at the modern, some weak points below often can appear in the use of current surge protector, often can transship too high electric current in an instant when current power surge protector uses to cause the possibility that electric arc is fired and punctures easily, and then cause the emergence of situations such as firing easily, and cause easily to burst when inside punctures, cause danger to the outside easily.

Disclosure of Invention

The invention aims to: in order to solve the technical problem that the reality exists, provide an electric power engineering surge protector.

The technical scheme adopted by the invention is as follows:

the utility model provides an electric power engineering surge protector, includes shell and shell front end fixed connection's preceding shell, the shell inner chamber is provided with the inner shell, fixedly connected with connecting plate between shell and the inner shell, the shell of inner shell center both sides is seted up and is pressed the mouth, two all the cover is equipped with the pressure pad in the pressure mouth, two the equal fixed mounting in one side that the pressure pad is close to each other has a support, two the support side all rotates through the pivot and is connected with the dowel steel, two rotate between two dowel steels of support homonymy and be connected with the kelly, the clearance is close to pressure pad department and has seted up the packing chamber between shell and the inner shell, the clearance is kept away from packing chamber department and has seted up the cushion chamber between shell and the inner.

Wherein, be equipped with the turn-button on the preceding shell, the turn-button is with the shell butt.

The locking holes are formed in the outer shell and the inner shell, and locking screws are connected in the locking holes in a screwing mode.

The upper opening and the lower opening of the inner shell are both connected with a connecting shell in a sliding mode, and the connecting shell is provided with a clamping groove.

The locking holes are mutually communicated, the clamping groove is abutted to the locking screw, the connecting shell is abutted to the shell, and the connecting shell is of a trapezoidal structure.

The clamping rods are arranged in two, and the clamping rods and the support are connected through the transfer rod to form a diamond structure in a transmission mode.

The inner cavity of the front shell is provided with an elliptical guide groove, a rotary disc is rotatably connected in the elliptical guide groove, and the rotary disc is fixedly connected with the rotary button.

The turntable is provided with a sliding groove, a contact block is connected in the sliding groove in a sliding mode, and the contact block is elastically connected with the sliding groove through a second spring.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, the elastic hot melting protection mechanism is adopted, the diamond structure formed among the transfer rod, the support and the clamping rod and the first spring fixedly connected between the two supports are adopted, so that the two supports are supported by the first spring to be pushed away from each other, the first spring elastic coefficient is changed and further loses efficacy when the inner cavity of the inner shell between the connecting shells at two ends is punctured or high-temperature fire is started due to the fact that the pressure pads are abutted against the pressure ports and the filling cavity is abutted against the pressure pads, the filling liquid in the two filling cavities is leaked to isolate and extinguish fire when the two pressure pads are close to each other, and meanwhile, the damage to the outer shell when the inner cavity of the inner shell is burst is reduced.

2. According to the invention, the installation linkage circuit breaking structure is adopted, and the connecting shell in sliding connection with the opening of the inner shell and the butting between the locking hole and the locking screw are adopted, so that the connecting shell is pushed to be butted with the outer shell for use when the locking screw is locked, and the automatic disconnection control is realized when the locking screw on the outer shell is loosened.

3. According to the invention, the oval rotary groove limiting structure is adopted, the sliding connection between the contact block and the sliding groove is adopted, the elastic connection between the contact block and the rotary button is realized through the second spring, the contact block is directly abutted against the oval guide groove, the on-off of a control circuit of the rotary button is realized, the extrusion limiting effect of the contact block disappears when the front shell is broken, and the automatic disconnection at the rotary button is realized to prevent electric leakage.

Drawings

FIG. 1 is a schematic diagram of the front view structure of the present invention;

FIG. 2 is a schematic view of the front view of the present invention;

FIG. 3 is a schematic view of the structure of the center of the interior of the front view of the present invention;

FIG. 4 is a schematic top view of the internal structure of the present invention;

fig. 5 is a schematic view of the internal structure of the front case according to the present invention.

The labels in the figure are: 1. a housing; 101. a buffer chamber; 102. filling the cavity; 103. a connecting plate; 2. a front housing; 3. turning a button; 4. a locking hole; 5. an inner shell; 6. locking the screw; 7. a connecting shell; 8. a card slot; 9. a first spring; 10. a pressure pad; 11. a transfer lever; 12. pressing a port; 13. a support; 14. a clamping rod; 15. a contact block; 16. a turntable; 17. a chute; 18. a second spring; 19. an elliptical channel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Embodiment one, refer to fig. 1-5, an electric power engineering surge protector, including shell 1 and shell 1 front end fixed connection's preceding shell 2, shell 1 inner chamber is provided with inner shell 5, fixedly connected with connecting plate 103 between shell 1 and the inner shell 5, shell 5 center both sides casing is seted up and is pressed mouthful 12, all overlap in two pressure mouthful 12 and be equipped with pressure pad 10, the equal fixed mounting in one side that two pressure pads 10 are close to each other has support 13, two support 13 sides all rotate through the pivot and are connected with dowel steel 11, two rotate between two dowel steel 11 of support 13 homonymy and be connected with kelly 14, the clearance is close to pressure pad 10 department and has seted up packing chamber 102 between shell 1 and the inner shell 5, the clearance is kept away from packing chamber 102 department and has seted up cushion chamber 101 between shell 1 and the inner shell 5, fixedly connected with first spring 9 between two support 13.

In the second embodiment, referring to fig. 1-5, the outer shell 1 and the inner shell 5 are both provided with locking holes 4, the locking holes 4 are connected with locking screws 6 in a screwing manner, the upper and lower openings of the inner shell 5 are both connected with connecting shells 7 in a sliding manner, the connecting shells 7 are provided with clamping grooves 8, the two locking holes 4 are communicated with each other, the clamping grooves 8 are abutted against the locking screws 6, the connecting shells 7 are abutted against the outer shell 1, the connecting shells 7 are in a trapezoidal structure, the clamping rods 14 are provided with two clamping rods, the two clamping rods 14 and the support 13 are connected and driven through the transmission rod 11 to form a diamond structure, wherein the filling cavity 102 is filled with insulating fire extinguishing filling liquid, the buffer cavity 101 is in a negative pressure environment, so that when the inner cavity of the inner shell 5 bursts, the buffer liquid in the filling cavity 102 is extinguished and the danger is caused by energy absorption and explosion prevention through the buffer cavity 101, wherein, and set up the intercommunication between two knobs 3 and have electrical equipment, and this electrical equipment is used for the surge protection to use to install and use through two knobs 3.

In the third embodiment, referring to fig. 1-5, a rotating button 3 is arranged in a front shell 2, the rotating button 3 abuts against a housing 1, an elliptical guide groove 19 is formed in an inner cavity of the front shell 2, a rotating disc 16 is rotatably connected in the elliptical guide groove 19, the rotating disc 16 is fixedly connected with the rotating button 3, a sliding groove 17 is formed in the rotating disc 16, a contact block 15 is slidably connected in the sliding groove 17, the contact block 15 is elastically connected with the sliding groove 17 through a second spring 18, a circuit is connected when the contact block 15 abuts against an inner cavity of the rotating button 3, and therefore the control circuit is conveniently connected when the rotating disc 16 rotates.

The working principle is as follows: firstly, through a diamond structure formed among a transfer rod 11, supports 13 and a clamping rod 14, and through a first spring 9 fixedly connected between the two supports 13, the first spring 9 supports and pushes the two supports 13 to be away from each other, and through the abutting between a pressure pad 10 and a pressure port 12 and the abutting between a filling cavity 102 and the pressure pad 10, when the inner cavity of an inner shell 5 between two end connecting shells 7 is punctured or ignited at high temperature, the elastic coefficient K of the first spring 9 is reduced under the high temperature environment, so that the elastic coefficient of the first spring 9 is reduced during ignition, and the first spring 9 is disabled, at the moment, the two pressure pads 10 are close to each other, so that filling liquid in the two filling cavities 102 leaks out to isolate and extinguish fire, and meanwhile, the damage to the outer shell 1 during explosion of the inner cavity of the inner shell 5 is reduced; secondly, the connecting shell 7 is in sliding connection with the opening of the inner shell 5, and the locking hole 4 is in butt joint with the locking screw 6, so that the connecting shell 7 is pushed to be in butt joint with the outer shell 1 when the locking screw 6 is locked, and the locking screw 6 on the outer shell 1 is automatically controlled to be disconnected when being loosened; finally, through the sliding connection between feeler 15 and the spout 17 to and second spring 18 to the elastic connection between feeler 15 and the turn button 3, rethread feeler 15 and the direct butt of oval guide slot 19 for turn button 3 control circuit's switch-on, simultaneously preceding shell 2 breaks the spacing effect of the extrusion of feeler 15 and disappears, makes turn button 3 department automatic disconnection prevent the electric leakage.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an electric power engineering surge protector, includes shell (1) and shell (1) front end fixed connection's preceding shell (2), its characterized in that: an inner shell (5) is arranged in the inner cavity of the outer shell (1), a connecting plate (103) is fixedly connected between the outer shell (1) and the inner shell (5), pressure openings (12) are formed in the shells on two sides of the center of the inner shell (5), pressure pads (10) are sleeved in the two pressure openings (12), support seats (13) are fixedly installed on one sides, close to each other, of the two pressure pads (10), the side faces of the two support seats (13) are rotatably connected with transfer rods (11) through rotating shafts, clamping rods (14) are rotatably connected between the two transfer rods (11) on the same side of the two support seats (13), a filling cavity (102) is arranged at the position of the gap between the outer shell (1) and the inner shell (5) close to the pressure pad (10), a buffer cavity (101) is formed in a position, away from the filling cavity (102), of a gap between the outer shell (1) and the inner shell (5), and a first spring (9) is fixedly connected between the two supports (13);

the clamping rods (14) are arranged in two, and the clamping rods (14) and the support (13) are connected through the transfer rod (11) and driven to form a diamond structure.

2. An electrical engineering surge protector as claimed in claim 1, wherein: be equipped with knob (3) on preceding shell (2), knob (3) and shell (1) butt.

3. An electrical engineering surge protector as claimed in claim 1, wherein: all seted up locking hole (4) on shell (1) and inner shell (5), locking hole (4) internal rotation closes and is connected with locking screw (6).

4. An electrical engineering surge protector as claimed in claim 3, wherein: the upper opening and the lower opening of the inner shell (5) are both connected with a connecting shell (7) in a sliding mode, and a clamping groove (8) is formed in the connecting shell (7).

5. An electrical engineering surge protector as claimed in claim 4, wherein: two locking hole (4) communicate each other, draw-in groove (8) and locking screw (6) butt, connect shell (7) and shell (1) butt, connect shell (7) and be the trapezium structure.

6. An electrical engineering surge protector as claimed in claim 2, wherein: an oval guide groove (19) is formed in the inner cavity of the front shell (2), a rotary disc (16) is rotatably connected in the oval guide groove (19), and the rotary disc (16) is fixedly connected with the rotary button (3).

7. An electrical engineering surge protector as claimed in claim 6, wherein: the rotary table is characterized in that a sliding groove (17) is formed in the rotary table (16), a contact block (15) is connected in the sliding groove (17) in a sliding mode, and the contact block (15) is elastically connected with the sliding groove (17) through a second spring (18).