CN113299526B

CN113299526B - Backup protector convenient for replacing module

Info

Publication number: CN113299526B
Application number: CN202110565361.0A
Authority: CN
Inventors: 陈国丰; 周方林; 纪海鹰
Original assignee: Zhejiang Leiyuan Electric Co ltd
Current assignee: Zhejiang Leiyuan Electric Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-10-18
Anticipated expiration: 2041-05-24
Also published as: CN113299526A

Abstract

The invention discloses a backup protector convenient for module replacement, which comprises a shell and a tripping module, wherein an opening matched with the tripping module is arranged on one side surface of the shell; the tripping module is provided with a first connecting end connected with the first conducting strip and a second connecting end connected with the second conducting strip, and the tripping module is detachably connected with the shell; a coil and a discharge tube connected with the coil in parallel are arranged in the tripping module; the invention has the advantages of convenient maintenance, modularization, stable electrical connection and selection of different power adjustment.

Description

Backup protector convenient for replacing module

Technical Field

The invention relates to a backup protector convenient for module replacement.

Background

The backup protector is mainly connected in series with the front end of a Surge Protector (SPD), which is called SCB for short. When the SCB bears impact current impact on a power supply line, the phenomenon of mistaken breaking can not occur, and the SPD function can be normally exerted and is continuously effective.

The existing backup protector is divided into 20KA, 30KA, 40KA, 80KA and the like for different stamping endurance capacities, namely, the power of each backup protector is different, when the backup protector is used for lightning protection in the same line and the power is insufficient, the backup protector with larger power needs to be replaced, in the replacement process, the backup protector is more troublesome, the shell of each backup protector is the same, the shell of the backup protector after replacement can cause waste, and the effect of cyclic sustainable development cannot be realized.

Disclosure of Invention

The invention mainly solves the technical problem of providing a backup protector convenient for replacing a module.

The technical scheme adopted by the invention for solving the technical problems is as follows: a backup protector convenient for replacing a module comprises a shell and a tripping module, wherein an opening matched with the tripping module is formed in one side surface of the shell, and a first conducting strip, a second conducting strip and a moving contact, wherein the moving contact is positioned on the motion track of the second conducting strip, are arranged in the shell; the tripping module is provided with a first connecting end connected with the first conducting strip and a second connecting end connected with the second conducting strip, and the tripping module is detachably connected with the shell; and a coil and a discharge tube connected with the coil in parallel are arranged in the tripping module.

Firstly, through the setting of tripping module, operating personnel can select the tripping module of different powers according to actual conditions, then realize the effect of fixed connection through the installation with the casing, for prior art, this kind of change scheme operation is more convenient, and casing and tripping module cooperation back, and its outside shape is unanimous with the casing is whole, is difficult for producing protruding or sunken, influences the appearance of whole casing. Moreover, the tripping module is detachably connected with the shell, so that the tripping module and the shell are more convenient to mount and dismount. Be equipped with parallelly connected coil and the discharge tube that sets up in the dropout module, through solitary dropout module processing for the dropout module forms the pipelining, and machining efficiency is higher, and simultaneously, the electrical connection stability between coil and the discharge tube also strengthens. The first conducting strip and the second conducting strip are electrically connected, so that the tripping module and the whole shell form an electrical connection effect, the moving contact and the second conducting strip are connected or separated through the push rod on the coil, and the normal use of the whole backup protector is realized.

The first connecting end and the second connecting end are both provided with slots, the tripping module horizontally moves towards the shell, and the slots are respectively connected with the corresponding first conducting strip and the second conducting strip.

Adopt the setting of slot for the electric connection effect of first conducting strip and second conducting strip is stronger, and what need explain here is that the dropout module transversely inserts to the casing for the level, realizes with the electric connection and the fixed effect of casing, transversely inserts through the level moreover, make and the casing between fixed intensity improve, make casing and guide rail in the installation, operating personnel takes the casing top and also can not disturb the fixed of dropout module.

The first conducting plate and the second conducting plate penetrate through the slot.

Through the setting that runs through the slot for holistic electrical connection stability improves, is difficult for taking place the electrical connection trouble.

Wherein, notches are arranged on two sides of the slot.

Through the setting of breach for the both sides of slot form elastic effect, make first conducting strip and second conducting strip play a buffering effect when inserting to the slot in, prevent at the plug in-process, two emergence rigid cooperation, influence the plug effect.

The tripping module is provided with a fixing hole, a fixing column matched with the fixing hole is arranged in the shell, and the bolt penetrates through the fixing hole to be connected with the fixing column.

Through the setting of fixed orifices and fixed post, realized the fixed effect of being connected of dropout module and casing, this kind of structure installation is dismantled all very conveniently.

Wherein, the tripping module is internally provided with a fixed cavity, and the discharge tube is positioned in the fixed cavity and fixed.

Through the setting in fixed chamber for discharge tube's fixed more stable, prevent to take place to drop.

Wherein, be equipped with first fixed slot and second fixed slot in the casing, be equipped with first plug portion on the first conducting strip, first conducting strip is fixed with the second fixed slot through first fixed slot, and first plug portion is connected with first link.

Through the setting of two fixed slots, improved the fixed stability of first conducting strip, prevent at the plug in-process, first conducting strip and casing take place to break away from, and it is fixed through being connected of two fixed slots, even with too big power, also be difficult for extracting first conducting strip.

Wherein, be equipped with the third fixed slot in the casing, be equipped with second plug portion on the second conducting strip, the second conducting strip passes through the third fixed slot to be fixed, and second plug portion is connected with the second link.

The third fixing groove is adopted, so that the fixing strength of the second conducting strip is improved, and the second conducting strip is prevented from being separated from the shell in the plugging process.

The two sides of the lower end of the tripping module are provided with extending parts, and the size of the lower end of the tripping module is larger than that of the upper end of the tripping module.

Through the setting of extension, formed big-end-up's setting on the dropout module, through the step setting between upper and lower both ends, formed the fixed effect in location equally for the dropout module is more convenient in assembling process, and difficult the deviation that takes place improves the fixed efficiency of unit mount.

Wherein, be equipped with a plurality of arc-extinguishing piece in the casing, the arc-extinguishing piece is located the movement track of moving contact.

The arrangement of the arc extinguishing piece is adopted, so that the electric arc of the moving contact in the rotating process can have an extinguishing effect. The arc plates are here preferably equally spaced.

Drawings

FIG. 1 is a front view of embodiment 1 of the present invention;

FIG. 2 is a partial structural view of embodiment 1 of the present invention;

FIG. 3 is a sectional view of embodiment 1 of the present invention;

fig. 4 is a cross-sectional view of a trip module in embodiment 1 of the invention;

fig. 5 is a schematic structural view of a first conductive sheet in embodiment 1 of the present invention.

Detailed Description

Example 1:

referring to fig. 1-5, a back-up protector for facilitating module replacement includes a housing 1 and a trip module 2.

The casing 1 in this embodiment is formed for two subassemblies concatenation, and two subassemblies concatenation form a cavity, and the mosaic structure of here subassembly is prior art, and two subassemblies here can be the bolt-up, also can be fixed through ultrasonic welding. It should be noted that, the bottom of the housing 1 is provided with an installation groove 11 adapted to the guide rail, so that the backup protector in this embodiment can be installed on a conventional guide rail, thereby achieving a universal effect.

One side of the housing 1 is provided with an opening 12, and it should be noted here that the side refers to one of front and rear two side surfaces, specifically two side surfaces with the largest size on the housing 1, and the opening 12 on the side surface can be used for mounting and fixing the trip module 2. In order to meet the fit with the trip module 2, the opening 12 is here shaped in a convex manner, i.e. in accordance with the trip module 2.

The shell 1 is internally provided with a first conducting strip 3, a second conducting strip 4, a third conducting strip 5, a moving contact 6, a rotating piece 7, a handle 8 and an arc extinguishing piece 9.

The first conductive sheet 3 and the third conductive sheet 5 are mainly used for connecting with external circuits, so that an integral electrical connection effect is formed. One end of the first conducting strip 3 is used for being connected with an external circuit, and the other end of the first conducting strip is used for being connected with the first connecting end of the tripping module 2, but the first conducting strip 3 and the tripping module 2 are electrically connected through plugging in and out in the horizontal direction, so that the fixing strength of the first conducting strip 3 is particularly important. Be equipped with first protruding muscle 13 and second protruding muscle 14 on the casing 1, first protruding muscle 13 is connected for perpendicular with second protruding muscle 14, and first protruding muscle 13 is parallel arrangement with the lateral wall of casing 1, and is close to the lateral wall of casing 1, and second protruding muscle 14 is horizontal setting. The first protruding rib 13 is provided with a first fixing groove 131, the second protruding rib 14 is provided with a second fixing groove 141, and the first conductive plate 3 is connected and fixed with the casing 1 through the first fixing groove 131 and the second fixing groove 141. Here, the first conductive sheet 3 includes a first longitudinal portion 31, a first transverse portion 32, a second longitudinal portion 33, a second transverse portion 34, and a first inserting and extracting portion, the first longitudinal portion 31 is connected to the first inserting and extracting portion 35 through the first transverse portion 32, the second longitudinal portion 33, and the second transverse portion 34, so as to form an integral structure of the first conductive sheet 3, where the first conductive sheet 3 is integrally formed. The first longitudinal portion 31 is vertically connected to the first transverse portion 32, the first transverse portion 32 is vertically connected to the second longitudinal portion 33, the second longitudinal portion 33 is vertically connected to the second transverse portion 34, and the second transverse portion 34 is vertically connected to the first inserting/extracting portion 35. When the first conducting strip 3 is fixed in the housing 1, the first longitudinal portion 31 abuts against the side wall of the housing 1, the second longitudinal portion 33 abuts against the first protruding rib 13, the second transverse portion 34 penetrates through the first fixing groove 131, and the first plugging portion 35 penetrates through the second fixing groove 141, so that the overall fixing effect of the first conducting strip 3 is realized, the fixing stability of the first conducting strip 3 is ensured in the using process, and the first conducting strip 3 is prevented from being separated from the housing 1 in the plugging process.

One end of the third conducting strip 5 is connected with an external circuit, and the other end is connected with the moving contact 6 through a flexible connecting line 51, so that the effect of connecting and fixing the moving contact 6 is achieved. Here, in order to improve the fixing firmness of the third conductive plate 5, the fourth fixing groove 15 is also provided in the casing 1, and the third conductive plate 5 is enabled to achieve a fixing effect through the fourth fixing groove 15.

The second conducting strip 4 is a 7-shaped arrangement, which includes a fixing portion 41 and a second plugging portion 42, the fixing portion 41 is vertically connected to the second plugging portion 42, the same fixing strength of the second conducting strip 4 is improved, the housing 1 is provided with a third fixing groove 16, the fixing portion 41 partially extends into the third fixing groove 16 for fixing, the lower end of the second plugging portion 42 is used for being connected to the second connecting end, an electrical connection effect between the second conducting strip 4 and the tripping module 2 is formed, the side surface of the second plugging portion 42 is located on the motion track of the moving contact 6, and through the motion of the moving contact 6, an electrical connection or electrical separation effect between the moving contact 6 and the second conducting strip 4 is realized.

The moving contact 6 is driven by the handle 8 or pushed by the push rod 251 to realize the moving effect of the moving contact 6. The moving contact 6 is arranged for rotating relative to the rotating part 7, and the lower end of the moving contact is used for being connected and matched with the second conducting strip 4, so that the conduction effect of the whole circuit is realized. The moving contact 6 is provided with a contact part 61, and the contact part 61 is connected with the third conducting strip 5 through a flexible connecting line 51.

Handle 8 one end stretches out outside 1 top of casing, and the other end is connected with rotation piece 7, realizes the linkage effect, and handle 8 rotates promptly, drives the rotation of rotating piece 7. The rotating member 7 is connected to one end of the moving contact 6, the rotating member 7 drives the moving contact 6 to move, and here, it should be noted that when the moving contact 6 is connected to the second conductive plate 4, the moving contact 6 is located on the motion track of the push rod 251, that is, the push rod 251 moves horizontally, and the moving contact 6 can be separated from the second conductive plate 4 in advance.

The quantity of arc-extinguishing piece 9 can be selected according to the actual demand, and arc-extinguishing piece 9 is equidistant distribution, and arc-extinguishing piece 9 is located the movement track of moving contact 6, and arc-extinguishing piece 9 is preferred to be close to third conducting strip 5 one side in this embodiment, and is located the below of moving contact 6 to realize the arc extinguishing effect.

The size of the trip module 2 is adapted to the size of the opening 12, and the extension portions 21 are provided on both sides of the lower end of the trip module 2, so that the size of the lower end of the trip module 2 is larger than the size of the upper end of the trip module 2. Through the setting of extension 21, formed big-end-up's setting of tripping module 2, formed the type structure of doglegging promptly, set up through the step between upper and lower both ends, formed the fixed effect in location equally for tripping module 2 is more convenient in the assembling process, and difficult the deviation that takes place improves the fixed efficiency of integral erection. Be equipped with a plurality of fixed orifices 22 on the trip module 2, be equipped with the fixed column that corresponds with fixed orifices 22 in the casing 1, pass fixed orifices 22 through the bolt and be connected with the fixed column cooperation, through the setting of bolt-up, realized that trip module 2 is detachable with casing 1 and is connected. It should be noted here that, since the slot 26 is connected to the first conductive plate 3 and the second conductive plate 4 respectively, a horizontal and horizontal limiting and fixing effect is formed, and then a horizontal and longitudinal limiting and fixing effect is formed by bolts, the dual-fixing arrangement is adopted, so that the fixing strength of the trip module 2 is ensured. Meanwhile, it should be further noted that, after the trip module 2 is fixed to the housing 1, the outer side wall of the trip module 2 and the outer side wall of the housing 1 form a coplanar arrangement, so that it is ensured that the trip module 2 does not protrude or sink in the using process, which affects the overall aesthetic property.

The trip module 2 is provided with a first connecting end 23 and a second connecting end 24, the first connecting end 23 and the second connecting end 24 are symmetrically arranged, and the first connecting end 23 and the second connecting end 24 are respectively arranged on the two extending parts. The first connecting end 23 is used for connecting with the first conducting plate 3, and the second connecting end 24 is used for connecting with the second conducting plate 4. In order to improve the plug fixing effect of the trip module 2, slots 26 are formed in the first connecting end 23 and the second connecting end 24, notches 261 are formed in two sides of the slots 26, and elastic effects are formed in two sides of the slots 26 through the notches 261, so that the first conducting strip 3 and the second conducting strip 4 play a buffering effect when being inserted into the slots 26, and hard matching is prevented from occurring for two times in the plug process, and the plug effect is influenced. Here, it should be noted that the first inserting and pulling portion 35 and the second inserting and pulling portion 42 are both disposed through the slot 26, specifically, the first inserting and pulling portion 35 extends into the slot 26 and extends toward the bottom of the housing 1 through the slot 26. By the arrangement of the through slot 26, the stability of the overall electrical connection is improved, and the electrical connection failure is not easy to occur.

The trip module 2 is provided with a coil 25 and a discharge tube 27, the coil 25 and the discharge tube 27 are arranged in parallel, that is, one ends of the coil 25 and the discharge tube 27 are connected through a first connecting end 23, and the other ends of the coil 25 and the discharge tube 27 are connected through a second connecting end 24. In order to improve the fixing effect of the discharge tube 27, a fixing cavity 28 adapted to the discharge tube 27 is provided in the trip module 2, and the discharge tube 27 is fixed more stably by the fixing cavity 28. The coil 25 is provided with a push rod 251, when the coil 25 induces a sudden change current, the coil 25 acts to drive the push rod 251 to move, so that the push rod 251 moves towards the movable contact 6, and the separation effect of the movable contact 6 and the second conductive plate 4 is realized.

Tripping module 2 specifically transversely inserts to the casing 1 with casing 1 time for the level and realizes fixed effect, and is fixed through slot 26 and two conducting strips, realizes preliminary fixed effect, then realizes dual fixed through the bolt, improves the fixed strength improvement between tripping module 2 and the casing 1 for casing 1 and guide rail are in the installation, and operating personnel takes the casing 1 top and also can not disturb the fixed of tripping module 2.

In addition, the shape and size of each tripping module 2 are matched with the size of the opening 12, the only difference is that the power is different, such as 20KA, 30KA, 40KA, 80KA and the like, and a user can replace the tripping module according to actual requirements, so that the tripping module is simple to operate and convenient to replace.

Firstly, through the setting of tripping module 2, operating personnel can select the tripping module 2 of different powers according to actual conditions, then realize the effect of fixed connection through the installation with casing 1, for prior art, this kind of change scheme operation is more convenient, and casing 1 and tripping module 2 cooperation back, and its outside shape is unanimous with casing 1 is whole, is difficult for producing protruding or sunken, influences the appearance of whole casing 1. Moreover, the tripping module 2 is detachably connected with the shell 1, so that the tripping module 2 and the shell 1 can be more conveniently mounted and dismounted. Be equipped with parallelly connected coil 25 and the discharge tube 27 that sets up in the trip module 2, through solitary trip module 2 processing for trip module 2 forms pipelining, and machining efficiency is higher, and simultaneously, the electrical connection stability between coil 25 and the discharge tube 27 also strengthens. The first conducting strip 3 and the second conducting strip 4 are electrically connected, so that the tripping module 2 and the whole shell 1 form an electrical connection effect, the moving contact 6 and the second conducting strip 4 are connected or separated through the push rod 251 on the coil 25, and the normal use of the whole backup protector is realized.

Claims

1. The utility model provides a back-up protector convenient to change module, includes the casing, its characterized in that: the tripping device comprises a shell, a first conducting strip, a second conducting strip and a moving contact, wherein the shell is provided with an opening matched with the tripping module on one side surface; the tripping module is provided with a first connecting end connected with the first conducting strip and a second connecting end connected with the second conducting strip, and the tripping module is detachably connected with the shell; and a coil and a discharge tube connected with the coil in parallel are arranged in the tripping module, one end of the coil and one end of the discharge tube are connected with the first connecting end, and the other end of the coil and the other end of the discharge tube are connected with the second connecting end.

2. A backup protector for facilitating module replacement as claimed in claim 1, wherein: the first connecting end and the second connecting end are both provided with slots, the tripping module horizontally and transversely moves towards the shell, and the slots are respectively connected with the corresponding first conducting strip and the second conducting strip.

3. A backup protector for facilitating module replacement as claimed in claim 2, wherein: the first conducting plate and the second conducting plate penetrate through the slot.

4. A back-up protector to facilitate replacement of a module as claimed in claim 1, 2 or 3, wherein: notches are arranged on two sides of the slot.

5. A backup protector for facilitating module replacement as claimed in claim 1, wherein: the tripping module is provided with a fixing hole, a fixing column matched with the fixing hole is arranged in the shell, and the bolt penetrates through the fixing hole to be connected with the fixing column.

6. A backup protector for facilitating module replacement as claimed in claim 1, wherein: a fixed cavity is arranged in the tripping module, and the discharge tube is positioned in the fixed cavity and fixed.

7. A backup protector for facilitating module replacement as claimed in claim 1, wherein: the shell is internally provided with a first fixing groove and a second fixing groove, the first conducting plate is provided with a first plugging portion, the first conducting plate is fixed with the second fixing groove through the first fixing groove, and the first plugging portion is connected with the first connecting end.

8. A backup protector for facilitating module replacement as claimed in claim 1, wherein: the shell is internally provided with a third fixed groove, the second conducting strip is provided with a second plugging part, the second conducting strip is fixed through the third fixed groove, and the second plugging part is connected with the second connecting end.

9. A backup protector for facilitating module replacement as claimed in claim 1, wherein: extension parts are arranged on two sides of the lower end of the tripping module, and the size of the lower end of the tripping module is larger than that of the upper end of the tripping module.

10. A backup protector for facilitating module replacement as claimed in claim 1, wherein: the shell is internally provided with a plurality of arc-extinguishing pieces which are positioned on the motion trail of the moving contact.