CN212543356U - All-round six post overvoltage protector - Google Patents

Abstract

The application relates to an all-round six-column overvoltage protector, which comprises a rectangular bottom box, wherein six nonlinear resistors are installed in the bottom box, a separating device is fixedly installed in the bottom box and comprises a first horizontal separating plate and a second vertical separating plate, the first separating plate separates the bottom box into an upper cavity and a lower cavity, the second separating plate separates the lower cavity into two vacant cavities and an installation cavity, the installation cavity is located between the two second separating plates, and the two vacant cavities are respectively located on one sides, far away from each other, of the two second separating plates; the axis of the nonlinear resistor is parallel to the long strip surface of the bottom box, the glue injection hole is formed in the first partition plate, and the glue injection hole is located between the two second partition plates. This application has and guarantees under the stable condition of whole function, has reduced the volume of injecting glue, the effect of cost is reduced.

Description

All-round six post overvoltage protector

Technical Field

The application relates to the field of lightning arresters, in particular to an all-dimensional six-column overvoltage protector.

Background

Because there is a certain limit to the insulation strength of various high-voltage electrical equipment, such as transformers, switches, motors, etc., in order to avoid the damage of various overvoltage to these equipment, people often connect an overvoltage protection device, such as an overvoltage protector currently in use, in parallel beside the equipment.

Three interphase resistors and three phase ground resistors are usually installed in the conventional overvoltage protector, and the interphase resistors and the phase ground resistors are both installed in a bottom box of the overvoltage protector. The bottom surface of the bottom box is rectangular, the vertical side surface where the long side of the rectangle in the bottom box is located is a long strip surface, and the vertical side surface where the short side is located is a short strip surface. The bottom box is internally and fixedly provided with a partition plate which partitions the bottom box into an upper vacant cavity and a lower vacant cavity, and the interphase resistor and the phase ground resistor are respectively and fixedly arranged in the two vacant cavities. The resistance that is located the baffle upside is "article" font and places, and the axis of resistance all is parallel with rectangular face, and the resistance that is located the baffle downside all is perpendicular to rectangular face, and sets gradually along rectangular face.

In view of the above-mentioned related art, the inventor believes that there are defects that the vacant part of the vacant cavity in the bottomed box is large, the amount of the insulating paste consumed in the glue injection is large, and further the cost is high.

SUMMERY OF THE UTILITY MODEL

In order to reduce the cost, the application provides an all-round six post overvoltage protection device.

The application provides a six post overvoltage protection devices in all-round adopts following technical scheme:

an all-round six-column overvoltage protector comprises a rectangular bottom box, wherein a grounding terminal is fixedly mounted on the outer side wall of the bottom box, six nonlinear resistors are mounted in the bottom box, a separating device is fixedly mounted in the bottom box and comprises a first horizontally-arranged separating plate and a second vertically-arranged separating plate, the cross section of the first separating plate is equal to the size of the bottom box, the bottom box is divided into an upper cavity and a lower cavity by the first separating plate, the second separating plate is perpendicular to the first separating plate and parallel to a short strip surface, the lower cavity is divided into two spare cavities and an installation cavity by the second separating plate, the installation cavity is located between the two second separating plates, and the two spare cavities are respectively located on one sides, far away from each other, of the two second separating plates; the axis of each nonlinear resistor is parallel to the strip surface of the bottom box, the six nonlinear resistors are divided into four upper resistors and two lower resistors, the upper resistors are equal in height and are arranged in the upper cavity in a rectangular array mode, the lower resistors are equal in height and are arranged in the installation cavity, glue injection holes are formed in the first partition plate, and the glue injection holes are located between the two second partition plates.

By adopting the technical scheme, the bottom box is divided into the upper cavity and the lower cavity by the first partition plate, and the six nonlinear resistors are divided into two groups and are respectively arranged in the upper cavity and the lower cavity. Wherein the upper cavity is provided with four cavities, and the lower cavity is provided with two cavities. The nonlinear resistor installed in the upper cavity is more compact, the lower cavity can leave two vacant cavities after the nonlinear resistor is installed, when the insulating glue is injected, the insulating glue is injected into the upper cavity and the installation cavity, the other two vacant cavities are vacant, and a lot of insulating glue can be saved. And when injecting glue, the injecting glue hole of seting up on the first baffle can be convenient for insulating glue to pass through, only need constantly inject insulating glue into epicoele or cavity of resorption during the injecting glue and can be full of the end box. After the insulating glue is injected, each nonlinear resistor is isolated by the insulating glue, so that two adjacent nonlinear resistors are not interfered with each other, the whole protection function is stable, and the cost is lower.

Preferably, the second partition boards are parallel to the short strip surfaces of the bottom box, the two second partition boards are respectively adjacent to one short strip surface, and the distances between the second partition boards and the adjacent short strip surfaces are equal.

Through adopting above-mentioned technical scheme, the second baffle is after setting up, and two vacant chambeies are located the both sides of installation cavity to the size in two vacant chambeies equals, makes the focus of end box after the injecting glue is accomplished still be located the center department of end box, and end box structure is more stable.

Preferably, second baffle and another second baffle between the distance and the length of non-linear resistance equal, seted up the logical groove of stepping down on the second baffle, the end position of logical groove of stepping down and resistance is adjacent, equal fixedly connected with cover of stepping down on the side that two second baffles kept away from each other, the side of stepping down cover and second baffle laminating sets up along the edge of the logical groove of stepping down.

Through adopting above-mentioned technical scheme, make the distance between two second baffles equal to non-linear resistance's length, the effectual size that increases between two vacant chambeies has further reduced the volume of insulating glue of spending when the injecting glue. And through having offered the logical groove of stepping down and stepping down the cover, can make the wire at non-linear resistor both ends wear to establish in the cover of stepping down, make the installation that can be normal of non-linear resistor.

Preferably, ground terminal fixed mounting on one of them rectangular face in end box, the second baffle divide into left baffle and right baffle, ground terminal is adjacent with right baffle position, has seted up two logical grooves of stepping down on the baffle of a left side, two logical grooves of stepping down are adjacent with the end position of two lower resistances respectively, have seted up one logical groove of stepping down on the baffle of a right side, should step down logical groove and keep away from the end position of the lower resistance of ground terminal adjacent.

Through adopting above-mentioned technical scheme, because the cover of stepping down has also occupied the space of part vacant chamber, can increase the injecting glue volume. Through installing ground terminal in box rectangular face with the adjacent position department in right baffle position, the lower resistance that is close to ground terminal can directly be connected with ground terminal, consequently need not to set up two covers of stepping down on the adjacent right baffle of this one end, and then has increased the size in vacant chamber, the volume of the insulating glue of spending when having reduced the injecting glue.

Preferably, the transversal strip shape of personally submitting of logical groove of stepping down, the one end that leads to the groove of stepping down is adjacent with first baffle, the other end that leads to the groove of stepping down is connected with the side that first baffle was kept away from to the second baffle, set up the injecting glue and lead to the groove on the lateral wall that the cover of stepping down and first baffle are connected, in the injecting glue hole of seting up on first baffle, one of them injecting glue hole is adjacent with the logical groove position of injecting glue, and the size in this injecting glue hole is equal with the logical groove of injecting glue.

Through adopting above-mentioned technical scheme, because the one end that leads to the groove of stepping down is adjacent with first baffle, consequently the one side and the first baffle butt of the cover of stepping down have seted up the injecting glue and have led to the groove on the cover of stepping down, and have seted up the injecting glue hole on first baffle, make the cover of stepping down and go up the chamber intercommunication. When injecting glue, the cover of stepping down sets up in the edge of installation cavity, and the sealed glue of pouring into in the cover of stepping down can be more easy fills the space of interior edge department of epicoele, is convenient for carry out the injecting glue sealed.

Preferably, the bottom surface of end box be the bottom plate, bottom plate detachable installs on end box, has seted up the observation hole on the lateral wall that the first baffle was kept away from to the cover of stepping down, when the bottom plate was installed on end box, the bottom plate with step down the cover butt to seal the observation hole.

Through adopting above-mentioned technical scheme, through observing the hole, can audio-visually observe the sealed volume of gluing of packing in the cover of stepping down, the workman of being convenient for carries out the injecting glue, is difficult for appearing the phenomenon that has the bubble in the cover of stepping down after the injecting glue is accomplished, and sealed effect is better.

Preferably, the adjacent position department of end box inside wall and bottom surface seted up the round and inlayed and establish the groove, when the bottom plate was installed on end box, the bottom plate inlayed and established in inlaying and establishing the groove.

Through adopting above-mentioned technical scheme, after installing the bottom plate, the area of laminating increases between bottom plate and the end box, makes sealed glue difficult gap between bottom plate and the end box inside wall of following spill over. And the corners of the bottom plate are well protected, so that the bottom plate is not easy to damage.

Preferably, the second partition plate is fixedly provided with a connecting column, the connecting column is fixedly arranged in the vacant cavity, the end parts, far away from the second partition plate, of the connecting column are provided with threaded holes, and the bottom plate is fixedly installed on the bottom box through screws.

Through adopting above-mentioned technical scheme, install through the screw, its simple structure, simple to operate to the spliced pole setting is in the vacant intracavity, is difficult for stifled the screw hole of seting up on connecting in the injecting glue.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the two spare cavities, the glue injection amount is reduced and the cost is reduced under the condition of ensuring the stability of the whole function;

2. the structure is simple, and the glue injection is easy to carry out.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic view of the installation of the base plate.

Fig. 3 is a schematic diagram of the installation of the nonlinear resistor.

Fig. 4 is a schematic structural view of the abdicating cover.

Description of reference numerals: 1. a bottom case; 11. long noodles; 12. short noodles; 13. a non-linear resistance; 131. an upper resistor; 132. a lower resistance; 2. a base plate; 21. embedding a groove; 22. connecting columns; 3. a first separator; 31. an upper chamber; 32. a lower cavity; 4. a second separator; 41. a vacant cavity; 42. a mounting cavity; 5. a ground terminal; 51. a left baffle plate; 52. a right baffle plate; 6. a yielding through groove; 61. a abdication cover; 62. a glue injection through groove; 63. an observation hole; 64. and (6) injecting glue holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an all-round six post overvoltage protection devices. Referring to fig. 1 and 2, the all-round six-column overvoltage protector includes a rectangular parallelepiped bottom case 1. The bottom surface of the bottom box 1 is rectangular, the vertical side surface of the long side of the rectangle in the bottom box 1 is a long strip surface 11, and the vertical side surface of the short side is a short strip surface 12. The bottom surface of end box 1 is bottom plate 2, and bottom plate 2 detachable installs on end box 1, has seted up the round in 1 inside wall of end box and the adjacent position department in bottom surface and has inlayed and establish groove 21, and the width that inlays and establish groove 21 equals with the thickness of bottom plate 2, and inlays one side of establishing groove 21 and the bottom surface coplane of end box 1, and when bottom plate 2 installed on end box 1, bottom plate 2 inlayed and establishes in inlaying and establishing groove 21. Six nonlinear resistors 13 are installed in the bottom box 1. After the bottom plate 2 is installed, the area of the bottom plate 2 attached to the bottom box 1 is increased, and sealant is not prone to overflowing from a gap between the bottom plate 2 and the inner side wall of the bottom box 1. And the corners of the bottom plate 2 are well protected, so that the bottom plate 2 is not easy to damage.

Referring to fig. 2 and 3, a horizontal first partition plate 3 and two vertical second partition plates 4 are fixedly installed in the bottom case 1. The size of the first clapboard 3 is equal to the size of the bottom surface of the bottom box 1, and the first clapboard 3 is positioned in the middle of the bottom box 1 and divides the bottom box 1 into an upper cavity 31 and a lower cavity 32. The second partition plate 4 is positioned in the lower cavity 32, and the second partition plate 4 is perpendicular to the first partition plate 3 and parallel to the short strip surface 12. The two second partition boards 4 are respectively adjacent to one short strip surface 12, and the distances between the second partition boards 4 and the adjacent short strip surfaces 12 are equal. The distance between the two second partition plates 4 is equal to the length of the axis of the nonlinear resistor 13. The second partition 4 divides the lower chamber 32 into two vacant chambers 41 and a mounting chamber 42, the mounting chamber 42 being located between the two divided chambers. The bottom surface of the first partition plate 3 in the mounting cavity 42 is integrally formed with a connecting column 22, a threaded hole is formed in the end surface of the connecting column 22 far away from the first partition plate 3, and the bottom plate 2 is fixedly mounted on the bottom box 1 through screws.

Referring to fig. 3 and 4, the ground terminal 5 is fixedly mounted on the outer side wall of the bottom case 1, and the ground terminal 5 is fixedly mounted on the elongated surface 11. The two second partition plates 4 are divided into a left partition plate 51 and a right partition plate 52, and the ground terminal 5 is positioned adjacent to the right partition plate 52. The six nonlinear resistors 13 are divided into four upper resistors 131 and two lower resistors 132, the upper resistors 131 are equal in height, the upper resistors 131 are arranged in the upper cavity 31 in a rectangular array, the lower resistors 132 are equal in height, and the lower resistors 132 are arranged in the installation cavity 42. Two yielding through grooves 6 are formed in the left partition plate 51, the two yielding through grooves 6 are adjacent to the end positions of the two lower resistors 132 respectively, one yielding through groove 6 is formed in the right partition plate 52, and the yielding through groove 6 is adjacent to the end position of the lower resistor 132 far away from the grounding terminal 5. The cross section of the yielding through groove 6 is in a long strip shape, one end of the yielding through groove 6 is adjacent to the first partition plate 3, and the other end of the yielding through groove 6 is adjacent to the bottom plate 2. The side that two second baffles 4 kept away from each other is gone up the homogeneous body shaping and has been stepped down the cover 61, and the opening shape of the cover 61 of stepping down is the same with the cross sectional shape of logical groove 6 of stepping down, and the opening of the cover 61 of stepping down sets up along the edge of logical groove 6 of stepping down. Offer the injecting glue through groove 62 on the lateral wall that the cover 61 of stepping down is connected with first baffle 3, keep away from and offer observation hole 63 on the lateral wall of first baffle 3. A plurality of glue injection holes 64 are formed in the first partition plate 3, and the glue injection holes 64 are formed in the installation cavity 42. Among all the glue injection holes 64, one glue injection hole 64 is adjacent to the glue injection through groove 62, and the size of the glue injection hole 64 is equal to that of the glue injection through groove 62. When the bottom plate 2 is attached to the back box 1, the bottom plate 2 abuts against the escape cover 61 and the observation hole 63 can be closed. The distance between the two second partition boards 4 is equal to the length of the nonlinear resistor 13, the size between the two vacant cavities 41 is effectively increased, and the amount of insulating glue consumed during glue injection is reduced. And through setting up logical groove 6 of stepping down and stepping down the cover 61, can make the wire at non-linear resistor 13 both ends wear to establish in the cover 61 of stepping down, make non-linear resistor 13 can normal installation. Through observing the hole 63, can audio-visually observe the sealed volume of gluing of the interior packing of the cover 61 of stepping down, and the cover 61 of stepping down sets up in the edge of installation cavity 42, and the space of filling interior edge department of epicoele 31 more easily of sealed glue ability of pouring into in the cover 61 of stepping down, and it is sealed to be convenient for carry out the injecting glue, and is difficult for appearing the phenomenon that there is the bubble in the cover 61 of stepping down after the injecting glue is accomplished, and sealed effect is better.

The implementation principle of the all-round six post overvoltage protector of this application embodiment does: the back box 1 is divided into an upper cavity 31 and a lower cavity 32 by the first partition plate 3, and the six nonlinear resistors 13 are divided into two groups and are respectively installed in the upper cavity 31 and the lower cavity 32. Four of the upper chambers 31 and two of the lower chambers 32 are installed. The nonlinear resistor 13 installed in the upper chamber 31 is more compact, and the lower chamber 32 can be left with two vacant chambers 41 after the nonlinear resistor 13 is installed. When injecting the insulating glue, the insulating glue is injected into the upper cavity 31 and the mounting cavity 42, and the other two vacant cavities 41 are vacant, so that a lot of insulating glue can be saved. And when injecting glue, the injecting glue hole 64 of seting up on the first baffle 3 can be convenient for the insulating cement to pass through, only need constantly inject insulating cement to going into in upper chamber 31 or the lower chamber 32 during the injecting glue and can be full of end box 1. After the insulating glue is injected, each nonlinear resistor 13 is isolated by the insulating glue, so that two adjacent nonlinear resistors 13 are not interfered with each other, and the whole protection function is more stable.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an all-round six post overvoltage protection device, includes end box (1) of cuboid form, fixed mounting has ground terminal (5) on end box (1) lateral wall, six non-linear resistance (13) of installation in end box (1), its characterized in that: the bottom box (1) is internally and fixedly provided with a separating device, the separating device comprises a first separating plate (3) and a second separating plate (4), the first separating plate (3) is horizontally arranged, the size of the cross section of the first separating plate (3) is equal to that of the bottom box (1), the first separating plate (3) separates the bottom box (1) into an upper cavity (31) and a lower cavity (32), the second separating plate (4) is perpendicular to the first separating plate (3) and is parallel to the short strip surface (12), the lower cavity (32) is separated into two vacant cavities (41) and an installation cavity (42) by the second separating plate (4), the installation cavity (42) is positioned between the two second separating plates (4), and the two vacant cavities (41) are respectively positioned on one sides of the two second separating plates (4) which are far away from each other; the axis of non-linear resistor (13) all is parallel with rectangular face (11) of end box (1), six non-linear resistor (13) divide into four and go up resistance (131) and two lower resistance (132), it highly all equals to go up resistance (131), and go up resistance (131) and be the rectangle array and install in epicoele (31), it highly all equals to lower resistance (132), and lower resistance (132) are installed in installation cavity (42), glue injection hole (64) have been seted up on first baffle (3), glue injection hole (64) are located between two second baffles (4).

2. The all-round six-pole overvoltage protector of claim 1, wherein: the second partition plates (4) are parallel to the short strip surfaces (12) of the bottom box (1), the two second partition plates (4) are adjacent to one short strip surface (12) respectively, and the distance between each second partition plate (4) and the adjacent short strip surface (12) is equal.

3. The all-directional six-pole overvoltage protector of claim 2, wherein: second baffle (4) and another second baffle (4) between distance and nonlinear resistor (13) length equal, seted up logical groove (6) of stepping down on second baffle (4), the end position that logical groove (6) and lower resistance (132) were led to the stepping down is adjacent, equal fixedly connected with cover (61) of stepping down on the side of keeping away from each other of two second baffles (4), the side of stepping down cover (61) and second baffle (4) laminating sets up along the edge of stepping down logical groove (6).

4. The all-directional six-pole overvoltage protector of claim 3, wherein: ground terminal (5) fixed mounting on one of them rectangular face (11) in end box (1), second baffle (4) divide into left baffle (51) and right baffle (52), ground terminal (5) are adjacent with right baffle (52) position, two logical groove (6) of stepping down have been seted up on left baffle (51), two logical groove (6) of stepping down are adjacent with the end position of two lower resistance (132) respectively, seted up one logical groove (6) of stepping down on right baffle (52), should step down logical groove (6) and the end position of keeping away from lower resistance (132) of ground terminal (5) are adjacent.

5. The all-directional six-pole overvoltage protector of claim 4, wherein: let a bit lead to the transversal rectangular shape of personally submitting of groove (6), let a bit lead to the one end of groove (6) and be adjacent with first baffle (3), let a bit lead to the other end of groove (6) and second baffle (4) and keep away from the side of first baffle (3) and be connected, let a bit cover (61) set up the injecting glue on the lateral wall of being connected with first baffle (3) and lead to groove (62), in injecting glue hole (64) of seting up on first baffle (3), one of them injecting glue hole (64) lead to groove (62) position with the injecting glue adjacent, and the size and the injecting glue of this injecting glue hole (64) lead to the groove (62) and equal.

6. The all-directional six-pole overvoltage protector of claim 5, wherein: the bottom surface of end box (1) be bottom plate (2), bottom plate (2) detachable installs on end box (1), let a position cover (61) keep away from on the lateral wall of first baffle (3) have seted up observation hole (63), when bottom plate (2) were installed on end box (1), bottom plate (2) with let a position cover (61) butt to seal observation hole (63).

7. The all-directional six-pole overvoltage protector of claim 6, wherein: the bottom box (1) inside wall and the bottom surface adjacent position department seted up the round and inlayed and establish groove (21), when bottom plate (2) were installed on bottom box (1), bottom plate (2) inlayed and establish in inlaying and establishing groove (21).

8. The all-directional six-pole overvoltage protector of claim 6, wherein: the second partition plate (4) is fixedly provided with a connecting column (22), the connecting column (22) is fixedly arranged in the spare cavity (41), the end part, away from the second partition plate (4), of the connecting column (22) is provided with threaded holes, and the bottom plate (2) is fixedly arranged on the bottom box (1) through screws.

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