CN220914036U - Zero sequence transformer module - Google Patents
Zero sequence transformer module Download PDFInfo
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- CN220914036U CN220914036U CN202322682990.9U CN202322682990U CN220914036U CN 220914036 U CN220914036 U CN 220914036U CN 202322682990 U CN202322682990 U CN 202322682990U CN 220914036 U CN220914036 U CN 220914036U
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- sequence transformer
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- wiring
- transformer module
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- 238000009434 installation Methods 0.000 claims abstract description 36
- 230000005611 electricity Effects 0.000 claims description 28
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The application discloses a zero sequence transformer module, which comprises a shell, a baffle and a zero sequence transformer, wherein an accommodating space is formed in the shell, the accommodating space comprises a wiring space and an installation space, and the installation space is communicated with the wiring space; the wiring space and the mounting space are both provided with openings on one surface of the shell; the zero sequence transformer is arranged in the installation space, and the baffle is used for shielding an opening of the installation space; the lead of the zero sequence transformer is led out from the opening of the wiring space, and the end of the lead is provided with an insert; the zero sequence transformer module provided by the application has the technical effects of convenience in wiring and the like.
Description
Technical Field
The application relates to the field of residual current circuit breakers, in particular to a zero sequence transformer module.
Background
The small-sized residual-current circuit breakers are various in forms and can be divided into residual-current circuit breakers with built-in zero-sequence transformers and residual-current circuit breakers with built-out zero-sequence transformers according to different installation modes of the zero-sequence transformers.
The zero sequence transformer is assembled on one wiring terminal side of the leakage breaker in a module form, and leads can be led out on the zero sequence transformer to be electrically connected with a circuit board in the leakage breaker, and the existing welding mode basically adopted between the leads and the circuit board causes complex assembly procedures and is very convenient. The nested zero sequence transformer structure as disclosed in CN106024538a is just such a structure.
Therefore, how to realize the simple assembly of the external zero sequence transformer and the circuit board is a direction worthy of research.
Disclosure of Invention
In view of the above, the application aims to overcome the defects in the prior art, and aims to provide a zero sequence transformer module which can realize the characteristic of convenient assembly.
The application provides a zero sequence transformer module, which comprises a shell, a baffle and a zero sequence transformer, wherein an accommodating space is formed in the shell, the accommodating space comprises a wiring space and an installation space, and the installation space is communicated with the wiring space; the wiring space and the mounting space are both provided with openings on one surface of the shell; the zero sequence transformer is arranged in the installation space, and the baffle is used for shielding an opening of the installation space; the lead wire of the zero sequence transformer is led out from the opening of the wiring space, and the end head of the lead wire is provided with an insert.
In some embodiments of the present application, a wire collecting part is disposed on the bottom surface of the wire space, and the wire collecting part extends from the bottom surface of the wire space towards the opening direction; the line concentration part is provided with a groove structure, and the lead part is positioned in the groove structure.
In some embodiments of the application, at least two main loop perforations are formed in the installation space, and the main loop perforations are positioned in the central hole of the zero sequence transformer; the height of the line concentration part is lower than the heights of the two main loop perforation holes.
In some embodiments of the application, the baffle is provided with the same number of electricity taking clamping parts and electricity taking sheets as the number of the main loop perforations; the electricity taking sheet is clamped on the electricity taking clamping part, and the lead part of the electricity taking sheet is positioned in the groove-shaped structure.
In some embodiments of the present application, the power supply device further includes a routing channel, the routing channel is located above the installation space, and the lead wires of the power supply chip enter the routing space through the routing channel.
In some embodiments of the present application, the wiring channel is separated from the installation space by a separation rib.
In some embodiments of the present application, the electricity taking sheet includes a mounting portion and a contact portion, the mounting portion is connected with the contact portion at an included angle, the mounting portion is used for matching with the electricity taking clamping portion, and the contact portion is used for taking electricity; the baffle is provided with a butt boss on the surface facing away from the shell, a part of the contact part, which is close to the joint of the contact part, is butt-jointed on the butt boss, and/or the electricity taking sheet comprises a mounting part and a contact part, the mounting part is connected with the contact part in an included angle, the mounting part is used for being matched with the electricity taking clamping part, the contact part is used for taking electricity, a mounting groove is arranged on the surface facing away from the shell of the baffle, and the joint of the mounting part and the contact part is positioned in the mounting groove.
In some embodiments of the present application, the power-taking clamping portion is two hook portions arranged oppositely, and the two hook portions are located above the abutting boss; the mounting part is provided with two elastic bending parts which are close to each other, and the elastic bending parts are clamped into the two hook parts to form clamping connection.
In some embodiments of the application, annular protrusions corresponding to the number of the main loop perforations are arranged in the installation space, the annular protrusions are arranged around the main loop perforations, one side of each annular protrusion is provided with a limiting protrusion, and one part of the zero sequence transformer is clamped into the space formed by the annular protrusions and the limiting protrusions; and/or the baffle is provided with an annular convex rib, and the annular convex rib is arranged around all the main loop perforation holes.
In some embodiments of the application, at least three corner locations of the housing are provided with barbs for assembly with the circuit breaker.
Compared with the prior art, the zero sequence transformer module has the beneficial effects that the zero sequence transformer module comprises a shell, a baffle and a zero sequence transformer, wherein the shell is provided with an accommodating space, the accommodating space comprises a wiring space and an installation space, and the installation space is communicated with the wiring space; the wiring space and the mounting space are both provided with openings on one surface of the shell; the zero sequence transformer is arranged in the installation space, and the baffle is used for shielding an opening of the installation space; the lead wire of the zero sequence transformer is led out from the opening of the wiring space, and the end head of the lead wire is provided with an insert.
By adopting the structure, as the plug-in is arranged at one end of the lead, only the matched socket is arranged on the circuit board in the residual current circuit breaker, and thus, the plug-in and the socket are assembled to realize the electric connection between the zero sequence transformer and the circuit board, and the assembly is very convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic structural diagram of a zero sequence transformer module according to some embodiments of the present application;
fig. 2 is a schematic structural diagram of another view of a zero sequence transformer module according to some embodiments of the present application;
FIG. 3 illustrates a schematic structural view of a housing provided in some embodiments of the present application;
FIG. 4 illustrates a schematic installation of a housing and a zero sequence transformer provided by some embodiments of the present application;
FIG. 5 illustrates a schematic view of a baffle provided in some embodiments of the present application;
Fig. 6 is a schematic structural diagram of a baffle and an electricity-taking sheet according to some embodiments of the present application;
fig. 7 is a schematic structural diagram of a power taking sheet according to some embodiments of the present application.
Description of the embodiments
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Examples
As shown in fig. 1-7, the present application provides a zero sequence transformer module that can be used to mate with an earth leakage breaker body.
The zero sequence transformer module comprises a shell 11, a baffle 12 and a zero sequence transformer 13.
The housing 11, the right side surface of which is recessed to form an accommodation space, here the accommodation space includes a wiring space 11c, a mounting space 11a, and a wiring passage 11b. The installation space 11a is used for installing the zero sequence transformer 13, the routing channel 11b is located above the installation space 11a and used for routing the lead wire electrically connected with the electricity taking sheet 121, and the routing space 11c is used for routing the lead wire electrically connected with the zero sequence transformer 13. The wiring channel 11b is separated from the installation space 11a by a separation rib 11d, and the separation rib 11d and the housing 11 are integrally formed.
The reverse hooks 11e are arranged at four corner positions of the shell 11, the reverse hooks 11e can be used for being matched with the circuit breaker in a clamping mode, and the reverse hooks 11e can be designed in three modes besides four modes, so long as the shell 11 can be matched with the circuit breaker stably.
The wiring space 11c, the installation space 11a and the wiring channel 11b are provided with openings on the right side surface of the shell 11, the baffle 12 is used for closing the bayonets of the installation space 11a and the wiring channel 11b, and the baffle 12 and the shell 11 are clamped and fixed; of course, other means of screw tightening may be employed.
Two main circuit bores 11f are formed in the installation space 11a, the main circuit bores 11f being located in the central bore of the zero sequence transformer 13. The main circuit through hole 11f is used for penetrating a multipolar wire connected with a wiring terminal of the circuit breaker, so that the multipolar wire penetrates into the zero sequence transformer 13, and the zero sequence transformer 13 can detect whether electric leakage exists or not. Naturally, the earth leakage protection circuit breaker of the present embodiment is 2 poles, and of course, the earth leakage protection circuit breaker of 4 poles may be adopted, and the number of corresponding main circuit holes 11f is four.
Two annular projections 11g are formed in the installation space 11a, the two annular projections 11g being each designed around the main circuit bore 11 f. There is spacing protruding 11h also the shaping in accommodation space, and spacing protruding 11h is located annular protruding 11 g's side here, can form the space between annular protruding 11g and the spacing protruding 11h like this, and this space can be used for the joint zero sequence transformer 13 partly, and the installation of cooperation baffle 12 again to guarantee zero sequence transformer 13's stable assembly. The surface of the baffle plate 12 facing the installation space 11a is provided with an annular bead 12d, the annular bead 12d being designed around all the main circuit perforations 11f, in particular the annular bead 12d surrounding all the annular projections 11g.
The bottom surface of the wiring space 11c is provided with a line concentration part 11i, the height of the line concentration part 11i is lower than the height of the two main loop perforations 11f, the line concentration part 11i extends from the bottom surface of the wiring space 11c towards the opening direction of the wiring space, and the line concentration part 11i is provided with a groove-shaped structure 11j, so that the lead wires of the zero-sequence transformer 13 and the lead wires of the electricity taking sheet 121 can be partially positioned in the groove-shaped structure 11j and led out by the groove-shaped structure 11j, and the collection of all the lead wires inside the zero-sequence transformer module is facilitated.
Two electricity taking pieces 121 are arranged on the baffle 12 in a clamping manner, and the number of the electricity taking pieces 121 corresponds to the number of the main loop through holes 11 f. Specifically, the baffle 12 is provided with a power-taking clamping part above the two main loop through holes 11f, and the power-taking sheet 121 is stably assembled on the power-taking clamping part through clamping. In the present embodiment, the power-taking clamping portion is two hook portions 12a disposed opposite to each other, and the power-taking sheet 121 has two elastic bending portions 121c approaching to each other, and the two elastic bending portions 121c are clamped into the two hook portions 12a to form a clamping connection, so as to ensure stable assembly. In the present embodiment, the power take-off sheet 121 has a substantially L-shape and includes a mounting portion 121a and a contact portion 121b, and the mounting portion 121a and the contact portion 121b are connected at 90 °, although other angles such as 45 °, 55 °, 65 °, 75 °, 85 °, 105 °, 95 °, 115 °, 135 ° and the like may be adopted, as long as the angles are within the range of 45 ° to 135 °. Two abutting bosses 12b are arranged on the surface, away from the shell 11, of the baffle 12, the abutting bosses 12b are located below the power taking clamping connection parts, the contact parts 121b abut against the abutting bosses 12b, specifically, the parts, close to the connection parts with the mounting parts 121a, of the contact parts 121b abut against the abutting bosses 12b, the mounting parts 121a are attached to the surface, away from the shell 11, of the baffle 12, the elastic bending parts 121c are arranged on the mounting parts 121a, and the contact parts 121b extend towards the direction where the circuit breaker is located and are used for being matched with the wiring terminals of the circuit breaker to take power. A mounting groove 12c is provided at a position of the baffle plate 12 where the abutment boss 12b is located, and a portion of the junction of the mounting portion 121a and the contact portion 121b is located in the mounting groove 12 c.
In order to facilitate the connection between the lead wire of the zero sequence transformer module and the circuit board in the circuit breaker, the end of the lead wire, whether the lead wire of the zero sequence transformer 13 or the lead wire of the electricity taking sheet 121, is provided with the plug-in unit 4, so that the plug-in connection with the circuit board can be realized through the plug-in unit 4, and the installation efficiency can be greatly improved.
The design concept of the application can be applied to the four-pole zero sequence transformer module besides the two-pole zero sequence transformer module.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (10)
1. A zero sequence transformer module, characterized in that: the device comprises a shell, a baffle and a zero sequence transformer, wherein an accommodating space is formed in the shell, the accommodating space comprises a wiring space and an installation space, and the installation space is communicated with the wiring space; the wiring space and the mounting space are both provided with openings on one surface of the shell; the zero sequence transformer is arranged in the installation space, and the baffle is used for shielding an opening of the installation space; the lead wire of the zero sequence transformer is led out from the opening of the wiring space, and the end head of the lead wire is provided with an insert.
2. A zero sequence transformer module according to claim 1, characterized in that: the bottom surface of the wiring space is provided with a line concentration part, and the line concentration part extends from the bottom surface of the wiring space towards the opening direction of the wiring space; the line concentration part is provided with a groove structure, and the lead part is positioned in the groove structure.
3. A zero sequence transformer module according to claim 2, characterized in that: at least two main loop perforations are formed in the installation space, and the main loop perforations are positioned in the central hole of the zero sequence transformer; the height of the line concentration part is lower than the heights of the two main loop perforation holes.
4. A zero sequence transformer module according to claim 3, characterized in that: the baffle is provided with electricity taking clamping parts the same as the main circuit perforations in number and electricity taking sheets; the electricity taking sheet is clamped on the electricity taking clamping part, and the lead part of the electricity taking sheet is positioned in the groove-shaped structure.
5. The zero sequence transformer module according to claim 4, wherein: the electric power supply device further comprises a wiring channel, wherein the wiring channel is positioned above the installation space, and a lead wire of the electric power supply piece enters the wiring space through the wiring channel.
6. The zero sequence transformer module according to claim 5, wherein: the wiring channel is separated from the installation space by a separation rib.
7. The zero sequence transformer module according to claim 4, wherein: the electricity taking sheet comprises a mounting part and a contact part, wherein the mounting part is connected with the contact part in an included angle, the mounting part is used for being matched with the electricity taking clamping part, the contact part is used for taking electricity, a butt boss is arranged on the surface of the baffle, which faces away from the shell, the contact part is close to the part, which is connected with the mounting part, of the contact part, and is butt-jointed on the butt boss, and/or the electricity taking sheet comprises the mounting part and the contact part, the mounting part is connected with the contact part in an included angle, the mounting part is used for being matched with the electricity taking clamping part, the contact part is used for taking electricity, a mounting groove is arranged on the surface of the baffle, which faces away from the shell, and the joint of the mounting part and the contact part is located in the mounting groove.
8. The zero sequence transformer module according to claim 7, characterized in that: the electricity taking clamping part is provided with two hook parts which are oppositely arranged, and the two hook parts are positioned above the abutting boss; the mounting part is provided with two elastic bending parts which are close to each other, and the elastic bending parts are clamped into the two hook parts to form clamping connection.
9. A zero sequence transformer module according to claim 3, characterized in that: annular bulges corresponding to the number of the main loop perforations are arranged in the installation space, the annular bulges are arranged around the main loop perforations, one side of each annular bulge is provided with a limiting bulge, and one part of the zero sequence transformer is clamped into the space formed by the annular bulge and the limiting bulge; and/or the baffle is provided with an annular convex rib, and the annular convex rib is arranged around all the main loop perforation holes.
10. A zero sequence transformer module according to claim 1, characterized in that: at least three corner positions of the shell are provided with barbs which are used for being assembled with the circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322682990.9U CN220914036U (en) | 2023-10-07 | 2023-10-07 | Zero sequence transformer module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322682990.9U CN220914036U (en) | 2023-10-07 | 2023-10-07 | Zero sequence transformer module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220914036U true CN220914036U (en) | 2024-05-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322682990.9U Active CN220914036U (en) | 2023-10-07 | 2023-10-07 | Zero sequence transformer module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220914036U (en) |
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2023
- 2023-10-07 CN CN202322682990.9U patent/CN220914036U/en active Active
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