CN219626582U - Free structure and circuit breaker disappear - Google Patents

Abstract

The utility model belongs to the technical field of piezoelectric devices, and discloses a dissociation structure and a circuit breaker, wherein the dissociation structure comprises grid plate groups, bent grid plates and an insulating assembly, wherein the grid plate groups are provided with a plurality of groups, each grid plate group is provided with a plurality of grid plates which are arranged at intervals, and the grid plates between adjacent grid plate groups are arranged in an included angle manner; and bending grid sheets and an insulating assembly are arranged between two adjacent grid sheet groups, and the insulating assembly is used for guiding electric arcs on the bending grid sheets. According to the anti-dissociation structure provided by the utility model, the electric arc can be blown onto the bent grid sheet, and the electric arc on the bent grid sheet is guided through the insulation component, so that the electric arc climbs along the bent grid sheet to be lengthened and is cut by the grid sheet group, and the anti-dissociation structure is beneficial to high-voltage breaking.

Description

Free structure and circuit breaker disappear

Technical Field

The utility model relates to the technical field of piezoelectric devices, in particular to a dissociation-eliminating structure and a circuit breaker.

Background

With the continuous development of the power distribution technology, the performance requirements of a power distribution system on the circuit breaker are gradually improved, and the plastic shell circuit breaker product is promoted to continuously develop towards the small-size and high-performance directions. Currently, the main current of the piezoelectric device is still in the capacity range of three-level 1000VDC, and with the development of technologies in the industries of photovoltaic and the like, the voltage level of a molded case circuit breaker is continuously improved, and the voltage level already requires two-level or even single-level 1500VDC.

The grid sheet of the traditional molded case circuit breaker with the free structure is single in arrangement, and the arc elongation is limited, so that the high-voltage breaking is not facilitated. Therefore, a free structure and a circuit breaker are needed to solve the above technical problems.

Disclosure of Invention

The utility model aims to provide a dissociation structure, which can further elongate electric arcs by orderly arranging grid plates and is beneficial to high-voltage breaking.

To achieve the purpose, the utility model adopts the following technical scheme:

provided is a dissociation structure, which is applied to a circuit breaker, the dissociation structure including:

the grid plate sets are provided with a plurality of groups, each grid plate set is provided with a plurality of grid plates which are arranged at intervals, and the grid plates between the adjacent grid plate sets are arranged in an included angle;

the bent grid sheets are arranged between two adjacent grid sheet groups, and are used for guiding and elongating electric arcs;

and the insulating assemblies are arranged between two adjacent grid sheet groups.

Optionally, the grid sheet set includes:

the first grid plate group comprises a plurality of first grid plates which are arranged in parallel at intervals, and the first grid plates are obliquely arranged along a first direction;

the first grid plate group, the inner grid plate group and the outer grid plate group are sequentially arranged at intervals along a second direction, the inner grid plate group comprises a plurality of inner grid plates which are arranged at intervals along the first direction, and the outer grid plate group comprises a plurality of outer grid plates which are arranged at intervals along the first direction; wherein,,

the bent grid sheets and the insulating assembly are arranged between the first grid sheet group and the inner grid sheet group.

Optionally, the grid sheet set includes:

the second grid plate sets are arranged at intervals along the second direction, each second grid plate set comprises an inner grid plate set and an outer grid plate set, the inner grid plate sets of the two second grid plate sets are arranged between the outer grid plate sets of the two second grid plate sets, each inner grid plate set comprises a plurality of inner grid plates arranged at intervals along the first direction, and each outer grid plate set comprises a plurality of outer grid plates arranged at intervals along the first direction;

and the third grid sheet group is arranged between the two inner side grid sheet groups and comprises a plurality of third grid sheets which are arranged at intervals along the second direction.

Optionally, the third grid piece group further includes middle grid piece, the both sides of middle grid piece all are provided with a plurality of third grid piece, be located middle grid piece homonymy the third grid piece is parallel and along first direction slope setting, and is located middle grid piece both sides the third grid piece is for middle grid piece symmetry sets up, the both ends of middle grid piece all are provided with parallel portion, parallel portion with correspond the third grid piece parallel arrangement of side.

Optionally, the angle θ between the third grid sheet and the first direction is-60 ° to 60 °.

Optionally, the bent grid sheet includes a first bending portion and a second bending portion, where the first bending portion and the second bending portion are respectively disposed corresponding to two adjacent grid sheet groups;

the insulating component comprises a first insulating sheet and a second insulating sheet, wherein the first insulating sheet is arranged corresponding to the first bending part, and the second insulating sheet is arranged corresponding to the second bending part.

Optionally, a buckle is arranged on the first insulating sheet, a clamping groove is arranged on the first bending part, and the first insulating sheet is clamped with the clamping groove through the buckle so as to be fixed on the first bending part.

Optionally, the first bending portion is provided with an extension portion towards the second bending portion.

Another object of the present utility model is to provide a circuit breaker, including the above-mentioned deionization structure.

Optionally, the movable contact and the fixed contact are further included, and the dissociation structure further includes a fixed contact arc striking plate connected with the fixed contact and a movable contact arc striking plate connected with the movable contact; wherein,,

when the moving contact and the fixed contact are disconnected, the distance A between the moving contact arc striking plate and the moving contact is less than or equal to 5mm.

The beneficial effects are that:

according to the anti-dissociation structure provided by the utility model, the electric arc can be blown onto the bent grid sheets, and the electric arc on the grid sheet group and the bent grid sheets is isolated through the insulating assembly, so that the electric arc climbs along the bent grid sheets to be lengthened and cut by the grid sheet group, and the high-voltage breaking is facilitated.

The circuit breaker provided by the utility model is beneficial to high-voltage breaking through the arrangement of the dissociation structure.

Drawings

FIG. 1 is a schematic view of a part of an internal structure of a deionization structure according to a first embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of a structure of a deionization structure according to a first embodiment of the present utility model;

fig. 3 is a schematic diagram of a positional relationship between a moving contact and a fixed contact according to a first embodiment of the present utility model;

fig. 4 is a schematic diagram of a positional relationship between a moving contact and a moving contact arc striking plate according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of an internal structure of a deionization structure according to a first embodiment of the present utility model;

FIG. 6 is an exploded view of a side panel assembly according to a first embodiment of the present utility model;

FIG. 7 is a schematic diagram of a layout of a portion of a gate according to a first embodiment of the present utility model;

FIG. 8 is a schematic diagram of another portion of a gate layout according to an embodiment of the present utility model;

FIG. 9 is a schematic view of a bent grid sheet with an extension portion according to an embodiment of the present utility model;

fig. 10 is a schematic view illustrating installation of a first insulating sheet according to a first embodiment of the present utility model;

FIG. 11 is a schematic view of a bent grid sheet without an extension portion according to an embodiment of the present utility model;

FIG. 12 is a schematic diagram of a layout of a gate according to a second embodiment of the present utility model;

fig. 13 is a schematic diagram of another layout of a gate according to the second embodiment of the present utility model.

In the figure:

110. a grid set; 111. a first grid set; 112. a second grid set; 1121. an inner grid set; 1122. an outer grid set; 1123. a transition grid sheet; 113. a third grid set; 1131. a third grid sheet; 1132. a middle grid sheet; 120. bending the grid sheet; 1201. a clamping groove; 121. a first bending part; 122. a second bending part; 123. an extension; 130. an insulating assembly; 1301. a buckle; 131. a first insulating sheet; 132. a second insulating sheet; 141. a static contact arc striking plate; 142. a movable contact arc striking plate; 150. an insulating plate; 160. a side panel assembly; 161. a gas generating member; 1611. a gate groove; 162. a magnetism increasing member; 163. an insulating cover; 170. a ventilation plate; 180. a housing;

210. a stationary contact; 211. a stationary contact; 212. a magnetism isolating plate; 220. a moving contact; 221. a movable contact; 222. a current carrying conductor.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Example 1

Referring to fig. 1 to 4, the present embodiment provides a circuit breaker including a decoupling structure.

Specifically, the circuit breaker further includes a stationary contact 210 and a moving contact 220. In this embodiment, the a direction in fig. 1 is a first direction, the b direction is a second direction, the first direction is perpendicular to the second direction, and the fixed contact 210 and the moving contact 220 are arranged along the second direction. In this embodiment, the decoupling structure is disposed below the fixed contact 210 and the moving contact 220, so that the circuit breaker has a large enough space for installing the decoupling structure, so as to effectively increase the number of gate sheets and promote the decoupling effect of the circuit breaker. Further, the fixed contact 210 and the moving contact 220 may be provided with multiple groups to realize on-off of multiple phase poles.

Specifically, the deionization structure includes a gate sheet group 110, a bent gate sheet 120, and an insulation member 130. Wherein, the grid plate groups 110 are provided with a plurality of groups, each grid plate group 110 is provided with a plurality of grid plates which are arranged at intervals, and the grid plates between the adjacent grid plate groups 110 are arranged in an included angle; a bent grid 120 and an insulating member 130 are disposed between two adjacent grid groups 110, the bent grid 120 being used to guide an elongated arc.

In the embodiment, the circuit breaker is beneficial to high-voltage breaking through the arrangement of the breaking structure. Specifically, the arc can be blown onto the bent grid sheet 120, and the arc on the grid sheet group 110 and the bent grid sheet 120 is isolated by the insulating component 130, so that the arc climbs along the bent grid sheet 120 to be elongated and is cut by the grid sheet group 110, thereby being beneficial to high-voltage breaking.

Preferably, the grid sheets of the same grid sheet group 110 are arranged in parallel.

In this embodiment, as shown in fig. 1 to 3, the dissociation structure further includes a static contact arc striking plate 141, and the static contact arc striking plate 141 is connected to the static contact 210 to guide the arc to the grid set 110, and the damage of the arc to the static contact 210 is reduced by the high temperature erosion of the static contact arc striking plate 141 by the arc.

Specifically, the fixed contact 210 extends along the second direction and is bent towards one end of the moving contact 220, so that it is suitable for contacting and separating from the moving contact 220. In this embodiment, the fixed contact 210 extends along the second direction to provide a good installation space for the free structure.

Further, a stationary contact 211 (not shown) is disposed at one end of the stationary contact 210 facing the moving contact 220, and the connection portion between the stationary contact arcing plate 141 and the stationary contact 210 is in contact with the stationary contact 211, so as to achieve a better drainage purpose and reduce the damage of the electric arc to the stationary contact 211.

Specifically, the stationary contact striking plate 141 is also disposed to extend along the second direction, and a magnetic shielding plate 212 is disposed between the stationary contact 210 and the stationary contact striking plate 141 to prevent the arc from being redirected onto the stationary contact 210.

In the present embodiment, as shown in fig. 1 to 4, the dissociation structure further includes a movable contact arc striking plate 142, the movable contact arc striking plate 142 is connected with the movable contact 220 of the circuit breaker to achieve a better drainage purpose, and the damage of the electric arc to the movable contact 220 is reduced by the high-temperature erosion of the electric arc to the movable contact arc striking plate 142.

Specifically, the movable contact 220 is connected with a current-carrying conductor 222, and the current-carrying conductor 222 is used for connection with external equipment. The moving contact 220 is connected to the moving contact arc striking plate 142 through a current carrying conductor 222.

It should be noted that, when the moving contact 220 and the fixed contact 210 are in the separated state, the moving contact striking plate 142 is as close to the moving contact 221 (not shown) on the moving contact 220 as possible, so as to achieve better drainage and reduce the damage of the electric arc to the moving contact 221. Specifically, when the moving contact 220 and the fixed contact 210 are disconnected, the distance A between the moving contact arc striking plate 142 and the moving contact 220 is less than or equal to 5mm.

In this embodiment, referring to fig. 5, the dissociation structure further includes two insulating plates 150 disposed opposite to each other, and the grid, the bent grid 120 and the insulating member 130 are disposed between the insulating plates 150. In this embodiment, the grid may be fixedly connected to the insulating plate 150 by riveting.

In this embodiment, referring to fig. 5 to 6, the deionization structure further includes a side plate assembly 160, the side plate assembly 160 includes gas generating members 161, and the gas generating members 161 are disposed above the insulating plate 150 in a two-to-one correspondence manner. Wherein the movable contact 220 can be disposed between the two gas generating members 161. In this embodiment, the gas generating member 161 generates a large amount of gas under the high-temperature erosion of the arc when the moving contact 220 and the fixed contact 210 are disconnected, so as to promote the pressure of the arc extinguishing chamber to rise, and the pressure difference between the pressure and the atmospheric pressure outside the arc extinguishing chamber can form the gas flow flowing out of the arc extinguishing chamber, and the gas flow not only has a cooling effect on the arc, but also generates a driving force on the arc, so that the arc is forced to enter the grid sheet. Here, the arc extinguishing chamber refers to a chamber between two insulating plates 150.

Specifically, the side plate assembly 160 further includes a magnetism enhancing member 162 disposed on the gas generating member 161, and the driving force of the arc entering the arc extinguishing chamber can be greatly increased by the magnetism enhancing member 162.

Further, the side plate assembly 160 further includes an insulating cover 163, a receiving groove is disposed on a side of the gas generating member 161 facing away from the contact assembly, the magnetism enhancing member 162 is disposed in the receiving groove, the insulating cover 163 is disposed on a side of the magnetism enhancing member 162 facing away from the contact assembly, and the magnetism enhancing member 162 is fixed in the gas generating member 161 through the insulating cover 163.

Specifically, the gas generating member 161 is provided with grid grooves 1611, at least part of the grid sheets are inserted into the grid grooves 1611, and a stable interval is maintained between the grid sheets through the grid grooves 1611.

In this embodiment, referring to fig. 1 and 5, the deionization structure further includes an air plate 170, and the air plate 170 and the stationary contact 210 are disposed on the same side along the second direction. In this embodiment, the gas flows through the grid and then through the gas plate 170 and out of the arc chute. Wherein the arrow direction in fig. 1 is the flow direction of the gas flow, and the dotted line is an elongated arc.

In this embodiment, as shown in fig. 5, the dissociation structure further includes a housing 180, where the housing 180 is provided with a grid set 110, a bent grid 120, an insulation component 130, a movable arc striking plate 142, a static arc striking plate 141, a side plate component 160, an insulation plate 150, and a ventilation plate 170.

In the present embodiment, referring to fig. 1, 7 and 8, the gate sheet group 110 includes a first gate sheet group 111 and a second gate sheet group 112.

Specifically, the first grid group 111 includes a plurality of first grid plates disposed in parallel at intervals, the first grid plates being disposed obliquely in the first direction. In this embodiment, the first grid set 111 corresponds to the moving contact 220, and the first grid is disposed obliquely along the first direction toward the fixed contact 210, so as to facilitate the arc entering the first grid set 111 to be cut.

Specifically, the second grid set 112 includes an inner grid set 1121 and an outer grid set 1122, the first grid set 111, the inner grid set 1121, and the outer grid set 1122 are sequentially disposed at intervals along the second direction, the inner grid set 1121 includes a plurality of inner grids disposed at intervals along the first direction, and the outer grid set 1122 includes a plurality of outer grids disposed at intervals along the first direction. In the present embodiment, the second grid set 112 corresponds to the stationary contact 210, and the division of the second grid set 112 into the inner grid set 1121 and the outer grid can further elongate the arc. Further, the second grid set 112 further includes a transition grid 1123, one end of the transition grid 1123 extends below the inner grid set 1121, the other end of the transition grid 1123 extends below the outer grid set 1122, and the transition grid 1123 can form a better loop for the arc, so that the arc is cut between the inner grid set 1121 and the outer grid set 1122 stably.

Further, the bent grid 120 and the insulation component 130 are both disposed between the first grid set 111 and the inner grid set 1121, and the electric arc blown between the first grid set 111 and the inner grid set 1121 flows through the bent grid 120, and the electric arc climbs and stretches on the bent grid 120 under the guidance of the insulation component 130.

In this embodiment, referring to fig. 7 to 9, the bent grid sheet 120 includes a first bent portion 121 and a second bent portion 122, where the first bent portion 121 and the second bent portion 122 are respectively disposed corresponding to two adjacent grid sheet groups 110, and the first bent portion 121, the second bent portion 122, the movable arc striking plate 142 and the static arc striking plate 141 are mutually matched, so as to effectively elongate the arc and facilitate high-voltage breaking.

Illustratively, the first bending portion 121 is disposed corresponding to the inner grid set 1121, and the first bending portion 121 is disposed above the inner grid set 1121, which may be understood that the first bending portion 121 is disposed between the inner grid set 1121 and the static contact arc striking plate 141. Further, the first bending portion 121 is disposed in parallel with the gate of the inner gate group 1121. Of course, the first bending portion 121 and the grid of the inner grid set 1121 may also be disposed at an angle, which is not limited herein.

Illustratively, the second bending portion 122 is disposed corresponding to the first grid set 111 and is disposed in a gap between the first grid set 111 and the inner grid set 1121. Further, the second bending portion 122 is disposed parallel to the grid sheets of the first grid sheet group 111. Of course, the second bending portion 122 is disposed parallel to the grid of the first grid set 111, which is not limited herein.

Specifically, the insulating assembly 130 includes a first insulating sheet 131 disposed corresponding to the first bending portion 121, where the first insulating sheet 131 isolates an arc between the first insulating sheet 131 and the static contact arc striking plate 141 from an arc on the bent grid sheet 120, and the first insulating sheet 131 effectively prevents the arc between the first bending portion 121 and the static contact arc striking plate 141 from shorting, so that the arc on the bent grid sheet 120 can be stably led to the inner grid sheet group 1121, and the arc on the static contact arc striking plate 141 can be stably led to the outer grid sheet group 1122. Further, the first insulating sheet 131 is disposed in a gap between the first bending portion 121 and the static contact striking plate 141.

Specifically, the insulating assembly 130 further includes a second insulating sheet 132 disposed corresponding to the second bending portion 122, where the second insulating sheet 132 effectively prevents the second bending portion 122 and the inner grid sheet group 1121 from being shorted, so that the arc on the second bending portion 122 can be stably led to the first bending portion 121. Further, the second insulating sheet 132 is disposed in the gap between the second bending portion 122 and the inner grid sheet group 1121.

In this embodiment, referring to fig. 9 and 10, a buckle 1301 is provided on the first insulating sheet 131, a clamping groove 1201 is provided on the first bending portion 121, and the first insulating sheet 131 is clamped with the clamping groove 1201 by the buckle 1301 to be fixed on the first bending portion 121, so as to facilitate the fixation of the first insulating sheet 131. Wherein, buckle 1301 and draw-in groove 1201 all set up at least one. Preferably, both the catch 1301 and the catch groove 1201 are provided.

Further, the second insulating sheet 132 may be further fixed by being fixedly connected to the insulating plate 150, specifically, protrusions (not shown) are disposed on two opposite sides of the second insulating sheet 132, positioning slots (not shown) corresponding to the protrusions are disposed on the insulating plate 150, and the protrusions are inserted into the positioning slots to fix the second insulating sheet 132. In this embodiment, the first insulating sheet 131 may be fixed by inserting the protrusion into the positioning slot, and the second insulating sheet 132 may be fixed by fastening the fastener 1301 to the fastening slot 1201, which is not limited herein.

It should be noted that the first bending portion 121 is provided with an extension portion 123 bending toward the second bending portion 122. To further elongate the arc and to stably guide the arc to the inner grid set 1121.

Illustratively, the extension 123 is parallel to the inner grid, and the first bending portion 121 is flush with a side edge of the inner grid facing the outer grid at a bending position of the extension 123, and an end of the extension 123 is flush with a side edge of the inner grid facing away from the outer grid.

Of course, as shown in fig. 11, the bent grid 120 may not have the extension 123, and the bent grid 120 having no extension 123 may have an arc striking effect similar to that of the bent grid 120 having the extension 123, so that the purpose of elongating the arc can be satisfied.

Example two

The grid set 110 with the deionization structure in the circuit breaker provided in this embodiment is different from the first embodiment, and in this embodiment, referring to fig. 12 and 13, the grid set 110 includes a second grid set 112 and a third grid set 113, where the second grid set 112 has the same structure as the second grid set 112 in the first embodiment. The dissociation structure provided in this embodiment has the same arc extinguishing effect as the dissociation structure provided in the first embodiment.

Specifically, the second gate sheet group 112 is provided with two at intervals along the second direction. Wherein the inner grid set 1121 of the two second grid sets 112 is disposed between the outer grid sets 1122 of the two second grid sets 112.

Further, the third grid group 113 is disposed between the two inner grid groups 1121, and the third grid group 113 includes a plurality of third grid plates 1131 disposed at intervals along the second direction.

Further, bent gate pieces 120 and insulating members 130 are disposed between the second gate piece group 112 and the third gate piece group 113. Wherein, the bent gate 120 and the insulation member 130 are the same as those of the first embodiment. The second bending portion 122 of the bending grid 120 is disposed in a gap between the second grid set 112 and the third grid set 113.

In this embodiment, the third grid plate group 113 further includes a middle grid plate 1132, two sides of the middle grid plate 1132 are respectively provided with a plurality of third grid plates 1131, the third grid plates 1131 located at the same side of the middle grid plate 1132 are parallel and are obliquely arranged along the first direction, the third grid plates 1131 located at two sides of the middle grid plate 1132 are symmetrically arranged relative to the middle grid plate 1132, two ends of the middle grid plate 1132 are respectively provided with a parallel part, the parallel parts are parallel to the third grid plates 1131 at the corresponding sides, and the design of the middle grid plate 1132 can enable an electric arc to form a loop better, so that the arc extinguishing structure achieves a stable arc extinguishing effect. Wherein the dashed lines in fig. 12 and 13 are elongated arcs.

Specifically, the angle θ between the third grid plates 1131 and the first direction is-60 ° to 60 °, so that a "positive splayed" or "reverse splayed" shape is formed between the third grid plates 1131, so that the dissociation structure has a good arc extinguishing effect, and the inclination angle θ depends on the number of grid plates and the installation space of the circuit breaker. Of course, the third grid 1131 may also be disposed to extend along the first direction.

The other structures of the circuit breaker provided in this embodiment are the same as those of the first embodiment, and will not be described in detail herein.

The number and arrangement of the gate groups 110 in the deionization structure provided in this embodiment may be other than those in the first and second embodiments, and the present utility model is not limited thereto.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The free structure disappears is applied to the circuit breaker, its characterized in that, free structure disappears includes:

the grid plate sets (110) are provided with a plurality of groups, each grid plate set (110) is provided with a plurality of grid plates which are arranged at intervals, and the grid plates between the adjacent grid plate sets (110) are arranged in an included angle;

the bent grid sheets (120) are arranged between two adjacent grid sheet groups (110), and the bent grid sheets (120) are used for guiding an elongated electric arc;

and the insulating assemblies (130) are arranged between two adjacent grid sheet groups (110), and the insulating assemblies (130) are arranged between two adjacent grid sheet groups.

2. The deionization structure according to claim 1, wherein said gate sheet group (110) comprises:

a first grid group (111) including a plurality of first grid plates arranged in parallel at intervals, the first grid plates being arranged obliquely along a first direction;

the second grid sheet group (112) comprises an inner grid sheet group (1121) and an outer grid sheet group (1122), the first grid sheet group (111), the inner grid sheet group (1121) and the outer grid sheet group (1122) are sequentially arranged at intervals along a second direction, the inner grid sheet group (1121) comprises a plurality of inner grid sheets arranged at intervals along the first direction, and the outer grid sheet group (1122) comprises a plurality of outer grid sheets arranged at intervals along the first direction; wherein,,

the bent grid (120) and the insulating component (130) are arranged between the first grid set (111) and the inner grid set (1121).

3. The deionization structure according to claim 1, wherein said gate sheet group (110) comprises:

the second grating sheet groups (112) are arranged at intervals along the second direction, the second grating sheet groups (112) comprise inner grating sheet groups (1121) and outer grating sheet groups (1122), the inner grating sheet groups (1121) of the two second grating sheet groups (112) are arranged between the outer grating sheet groups (1122) of the two second grating sheet groups (112), the inner grating sheet groups (1121) comprise a plurality of inner grating sheets arranged at intervals along the first direction, and the outer grating sheet groups (1122) comprise a plurality of outer grating sheets arranged at intervals along the first direction;

and a third grid group (113) disposed between the two inner grid groups (1121), the third grid group (113) including a plurality of third grid plates (1131) disposed at intervals along the second direction.

4. A dissociation structure according to claim 3, wherein the third grid sheet group (113) further comprises an intermediate grid sheet (1132), a plurality of third grid sheets (1131) are disposed on two sides of the intermediate grid sheet (1132), the third grid sheets (1131) disposed on the same side of the intermediate grid sheet (1132) are disposed in parallel and inclined along the first direction, the third grid sheets (1131) disposed on two sides of the intermediate grid sheet (1132) are disposed symmetrically with respect to the intermediate grid sheet (1132), parallel portions are disposed on two ends of the intermediate grid sheet (1132), and the parallel portions are disposed in parallel with the third grid sheets (1131) on the corresponding sides.

5. The deionization structure according to claim 4, wherein the angle θ between the third grating sheet (1131) and the first direction is-60 ° to 60 °.

6. The deionization structure according to any one of claims 1 to 5, wherein said bent gate sheet (120) comprises a first bent portion (121) and a second bent portion (122), said first bent portion (121) and said second bent portion (122) being respectively disposed in correspondence with two adjacent gate sheet groups (110);

the insulating assembly (130) comprises a first insulating sheet (131) arranged corresponding to the first bending part (121) and a second insulating sheet (132) arranged corresponding to the second bending part (122).

7. The deionization structure according to claim 6, wherein a buckle (1301) is provided on the first insulating sheet, a clamping groove (1201) is provided on the first bending portion (121), and the first insulating sheet (131) is clamped with the clamping groove (1201) by the buckle (1301) so as to be fixed on the first bending portion (121).

8. The deionization structure according to claim 6, wherein said first bending portion (121) is provided with an extension portion (123) bent toward said second bending portion (122).

9. Circuit breaker, characterized by comprising a deionization structure according to any one of claims 1 to 8.

10. The circuit breaker of claim 9, further comprising a moving contact (220) and a stationary contact (210), the de-ionization structure further comprising a stationary contact strike plate (141) connected to the stationary contact (210) and a moving contact strike plate (142) connected to the moving contact (220); wherein,,

when the moving contact (220) and the fixed contact (210) are disconnected, the distance A between the moving contact arc striking plate (142) and the moving contact (220) is less than or equal to 5mm.