CN113889367A - Integrated mutual inductor support and circuit breaker thereof - Google Patents
Integrated mutual inductor support and circuit breaker thereof Download PDFInfo
- Publication number
- CN113889367A CN113889367A CN202110925709.2A CN202110925709A CN113889367A CN 113889367 A CN113889367 A CN 113889367A CN 202110925709 A CN202110925709 A CN 202110925709A CN 113889367 A CN113889367 A CN 113889367A
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- Prior art keywords
- magnetic flux
- circuit board
- mounting
- flux release
- support body
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- 230000004907 flux Effects 0.000 claims abstract description 89
- 238000009434 installation Methods 0.000 claims abstract description 52
- 238000002955 isolation Methods 0.000 claims description 6
- 210000003205 muscle Anatomy 0.000 claims description 2
- 238000005192 partition Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
The invention discloses an integrated mutual inductor support which comprises a support body with an integrated structure, wherein the support body comprises an upper layer support body and a lower layer support body, the lower layer support body is provided with a plurality of mutual inductor installation positions which are arranged, the upper layer support body is provided with a circuit board installation cavity, the support body is provided with a magnetic flux release installation cavity with an opening on the side surface between the circuit board installation cavity and the lower layer support body, the magnetic flux release installation cavity and the circuit board installation cavity are separated by a partition plate, and a circuit breaker comprising the integrated mutual inductor support is also disclosed. In order to be applicable to the intelligent molded case circuit breaker with the mutual inductor support, on one hand, the whole size of the mutual inductor support is reduced while the large circuit board plane installation position is ensured, and on the other hand, the stability and convenience of installation of the magnetic flux release are simultaneously met.
Description
Technical Field
The invention relates to the field of molded case circuit breakers, in particular to an integrated mutual inductor support and a circuit breaker thereof.
Background
Along with the development and popularization of the smart power grid, the national electric power supports the construction of a material network of power distribution equipment, and the intelligent power distribution products are continuously improved, wherein the intelligent plastic shell circuit breaker is a key power distribution component of the smart power grid. Due to popularization of a national power grid to a centralized meter reading system, an intelligent molded case circuit breaker with a carrier module of a meter becomes a mainstream, but the existing intelligent molded case circuit breaker with the carrier module of the meter has the defects of complex structure of a case and more assembly accessories, so that the assembled size is larger, a mutual inductor support is taken as a centralized installation part for installing a magnetic flux release, a circuit board and the carrier module in the prior art, and the design of the whole structure determines the module integration degree.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an integrated mutual inductor bracket with optimized assembly space and a circuit breaker thereof.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an integral type mutual-inductor support, includes the support body of one-piece structure, the support body includes upper support body and lower floor's support body, lower floor's support body is provided with the mutual-inductor installation position that a plurality of arranged the setting, upper support body is provided with circuit board installation cavity, the side open-ended magnetic flux release installation cavity has been seted up to the support body between circuit board installation cavity and lower floor's support body, separate through the baffle between magnetic flux release installation cavity and the circuit board installation cavity.
As a further improvement of the invention, the circuit board mounting cavity is provided with at least two circuit board mounting columns, the at least two circuit board mounting columns form a circuit board mounting position, and the upper-layer frame body is provided with isolation ribs in the circumferential direction of the circuit board mounting position.
As a further improvement of the invention, the magnetic flux release mounting cavity is provided with a slide rail for sliding the magnetic flux release, and the magnetic flux release mounting cavity is provided with a matching part fixedly connected with the magnetic flux release.
As a further improvement of the invention, the matching part is any one of a clamping piece, a clamping hole, a screw hole or a pin hole.
As a further improvement of the invention, the slide rail comprises mounting blocks arranged on the left and right sides along the sliding direction of the magnetic flux release and sliding chutes oppositely formed by the two mounting blocks.
As a further improvement of the present invention, the fitting portion is provided on the mounting block.
As a further improvement of the invention, the magnetic flux release mounting cavity is provided with a mounting notch at one side of the mounting block close to the matching part, and the mounting notch penetrates the magnetic flux release mounting cavity and the outer side of the bracket body.
As a further improvement of the invention, a rear positioning rib is arranged on one side of the magnetic flux release mounting cavity, which is far away from the opening in the sliding direction, and a positioning groove is formed on the rear positioning rib.
The invention also provides a circuit breaker which comprises a base, wherein the base is provided with any one of the transformer supports, a transformer is installed at the transformer installation position, a circuit board is installed in the circuit board installation cavity, a magnetic flux release is installed in the magnetic flux release installation cavity, and the top end of the upper layer frame body is provided with a carrier module with a metering function.
As a further improvement of the invention, the mutual inductor support is arranged on the base, the magnetic flux release comprises a body and an installation shell, clamping rails matched with the sliding grooves are arranged on two sides of the installation shell, a matching part matched with the matching part is arranged on the clamping rail on one side, and a limiting bulge matched with the locating groove is arranged on the installation shell.
The invention has the beneficial effects that: according to the invention, the mutual inductor support is set to be an integrated structure, so that the space can be saved to the maximum extent compared with a multilayer assembled structure in the prior art, on the basis of the integrated structure, in order to adapt the mutual inductor support to an intelligent molded case circuit breaker, the planar space of the circuit board installation space arranged on the upper layer frame body is maximized, the planar installation space of the circuit board formed on the upper layer frame body can be set to be an installation position covering the upper layer of the support body, the magnetic flux release installation cavity is arranged between the circuit board installation cavity and the lower layer frame body and is set to be an opening on the side surface, the spatial arrangement of the circuit board installation cavity and the magnetic flux release installation cavity is optimized, on one hand, the whole size of the mutual inductor support is reduced while the larger planar installation position of the circuit board is ensured, and on the other hand, the stability and convenience for installing the magnetic flux release are simultaneously met.
Drawings
FIG. 1 is a schematic view of an integrated transformer mount of the present invention;
FIG. 2 is a schematic diagram of the structure of the integrated mutual inductance support of the present invention;
fig. 3 is a schematic structural view of a magnetic flux release of the present invention;
FIG. 4 is a rear view of the integrated transformer holder of the present invention;
fig. 5 is a schematic structural diagram of the circuit breaker of the present invention.
Reference numerals: 1. a stent body; 2. an upper layer frame body; 3. a lower layer frame body; 4. a mutual inductor installation position; 5. a circuit board mounting cavity; 6. a magnetic flux release mounting cavity; 7. a partition plate; 8. a circuit board mounting post; 9. isolating ribs; 10. a fitting portion; 11. a chute; 12. mounting blocks; 13. a rear positioning rib; 14. positioning a groove; 15. a transformer; 16. a circuit board; 17. a magnetic flux release; 18. a carrier module; 19. a base; 20. installing a shell; 21. clamping a rail; 22. a positioning part; 23. and a limiting bulge.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals.
Referring to fig. 1-5, the integrated transformer bracket of this embodiment includes a bracket body 1 of an integrated structure, the bracket body 1 is preferably formed by integral injection molding, the bracket body 1 includes an upper frame body 2 and a lower frame body 3, the lower frame body 3 forms a plurality of chambers separated from each other for mounting a transformer 15, the plurality of chambers are transversely arranged and open to the side in the arrangement direction, after the transformer 15 is mounted, the upper frame body 2 is provided with a circuit board mounting cavity 5 open to the upper end for fixedly mounting a circuit board 16, the bracket body 1 is provided with a magnetic flux release mounting cavity 6 open to the side between the circuit board mounting cavity 5 and the lower frame body 3, the circuit board mounting cavity 5 covers or partially covers the upper part of the magnetic flux release mounting cavity 6, the magnetic flux release mounting cavity 6 and the circuit board mounting cavity 5 are separated by the partition plate 7, and the partition plate 7 plays a role in isolating strong current so as to protect the circuit board and prevent the circuit board from being damaged by the strong current.
In the prior art, each part of the case and box structure of the assembly structure needs to have a thicker wall thickness due to injection molding, for example, if the wall thickness of the circuit board casing is D1, the wall thickness of the transformer bracket is D2, and the thickness of the two parts after being stacked may be D1+ D2, which undoubtedly results in increase of product height; simultaneously, because need increasing between each part cooperation structure (like screw, snap fit etc.), each part need also increase the whole height of product for cooperation part preformed position undoubtedly, for example circuit board casing and mutual-inductor support if adopting the buckle to be connected, also need the size at bodiness cooperation position undoubtedly in order to guarantee joint strength, has increased the product height increase undoubtedly like this.
Through the technical scheme, the mutual inductor support is arranged into an integrated structure, so that the space can be saved to the maximum extent compared with a multilayer assembled structure in the prior art, on the basis of the integrated structure, in order to adapt the mutual inductor support to an intelligent molded case circuit breaker, the planar space of the circuit board 16 arranged on the upper layer of the support body 2 is maximized, the planar mounting space of the circuit board 16 formed on the upper layer of the support body 2 can be arranged into a mounting position covering the upper layer of the support body 1, and the overall size of the mutual inductor support is reduced while the larger planar mounting position of the circuit board is ensured; meanwhile, the magnetic flux release mounting cavity 6 is arranged between the circuit board mounting cavity 5 and the lower layer frame body 3, the side opening is formed, the space arrangement of the circuit board mounting cavity 5 and the magnetic flux release mounting cavity 6 is optimized, the side opening magnetic flux release mounting cavity 6 is more suitable for the condition that the upper and lower spaces are limited, the magnetic flux release 17 can be normally assembled, and meanwhile, the stability and the convenience for mounting the magnetic flux release 17 are achieved.
Preferably, the circuit board mounting cavity 5 is provided with at least two circuit board mounting posts 8, the at least two circuit board mounting posts 8 form a circuit board mounting position 5, and the upper frame 2 is provided with isolation ribs 9 in the circumferential direction of the circuit board mounting position 5.
Through the technical scheme, at least two circuit board mounting columns 8 are arranged, so that the circuit board 16 is clamped on the mounting columns 8 and then is kept on a mounting position without deviation; in addition, the isolation rib 9 is arranged on the circumferential direction of the mounting position, the isolation rib 9 is preferentially arranged on one side, facing the magnetic flux release mounting position 6, of the support body, and the isolation rib 9 plays a role of isolating the circuit board 16, so that the circuit board is further prevented from being damaged by strong current.
As a further improvement of the present invention, the magnetic flux release mounting cavity 6 is provided with a slide rail for sliding the magnetic flux release 17, and the magnetic flux release mounting cavity 6 is provided with a matching part 10 fixedly connected with the magnetic flux release 17.
Through the technical scheme, the slide rail is arranged in the magnetic flux release mounting cavity 6, so that the magnetic flux release 17 smoothly enters the magnetic flux release mounting cavity 6, the primary positioning effect is achieved before the magnetic flux release 17 is fixed, the matching part 10 and the magnetic flux release 17 are accurately aligned, and the magnetic flux release 17 is convenient to mount; further, in order to ensure that the magnetic flux release 17 is firmly fixed in the installation cavity, the invention is reinforced and fixed by the matching part 10.
As a further improvement of the present invention, the matching portion 10 is any one of a clamping member, a clamping hole, a screw hole or a pin hole, when the matching portion 10 is the clamping member or the clamping hole, the mounting housing 20 of the magnetic flux release 17 is provided with a clamping member which is mutually clamped and matched with the mounting housing, and when the matching portion 10 is the screw hole or the pin hole, the mounting housing 20 of the magnetic flux release 17 is provided with an aligning hole which is mutually aligned with the mounting housing, and further, the magnetic flux release is fastened and mounted through a screw or a pin.
Through the technical scheme, in the actual machining process, various connecting pieces can be selected and used as the matching part 10 according to existing parts on site.
As a further improvement of the present invention, the slide rail includes mounting blocks 12 disposed on the left and right sides along the sliding direction of the magnetic flux release, and two slide grooves 11 formed by the mounting blocks 12 facing each other.
Through the technical scheme, the sliding grooves 11 are oppositely formed in the mounting block 12, the clamping rails 21 are laterally extended from the mounting shell of the magnetic flux release 17, the clamping rails 21 are connected with the sliding grooves 11 in a sliding mode, and the sliding grooves 11 on the two sides are limited left and right.
As a further improvement of the present invention, the matching portion 10 is disposed on the mounting block 12, so that when the magnetic flux release is slidably mounted in place, the magnetic flux release is conveniently aligned with the matching portion.
As a further improvement of the invention, the magnetic flux release mounting cavity 6 is provided with a mounting notch at one side of the mounting block close to the matching part 10, and the mounting notch penetrates the magnetic flux release mounting cavity and the outer side of the bracket body
Through the technical scheme, in order to avoid the limitation of the upper-layer frame body 2 to influence the fixation of the magnetic flux tripper 17, when the matching part 10 is arranged into a screw hole or a pin hole, the matching part needs to be further arranged into a fastener, and an installation gap is arranged so that the fastener can conveniently enter the magnetic flux tripper installation cavity 6 from the outer side of the support body during installation, an installation space is provided, and the magnetic flux tripper 17 can be conveniently fixed after entering the installation cavity.
As a further improvement of the present invention, the magnetic flux release mounting cavity 6 is provided with a rear positioning rib 13 on a side away from the opening in the sliding direction, and the rear positioning rib 13 is provided with a positioning groove 14.
Through above-mentioned technical scheme, set up location muscle 13 and constant head tank 14, play the effect that indicates magnetic flux release 17 to slide on the one hand and target in place, on the one hand further restrict magnetic flux release 17 and move between two slide rail directions in magnetic flux release installation cavity 6, avoid magnetic flux release 17 to break away from spout 11.
As shown in fig. 5, the present invention further provides a circuit breaker, which includes a base 19, wherein the base 19 is provided with any one of the transformer brackets, the transformer mounting location 4 is provided with a transformer 15, the circuit board mounting cavity 5 is provided with a circuit board 16, the magnetic flux release mounting cavity 6 is provided with a magnetic flux release 17, and the top end of the upper rack 2 is provided with a carrier module 18 with a metering function.
By adopting the technical scheme, the integrated mutual inductance support is selected, and the circuit board 16 of the carrier module 18 with the meter is arranged in the circuit board mounting cavity 5 of the upper-layer frame body 2, so that the carrier module 18 of the meter is arranged on the upper-layer frame body 2; in addition, the mutual inductor 15 is arranged on the mutual inductor installation position 4 which is arranged on the lower layer frame body 3 in a separated way; further set up magnetic flux release 17 in the magnetic flux release installation cavity 6 between upper support body 2 and lower floor's support body 3, thereby simultaneously for the area that upper support body 2 took is too big, set up the opening in magnetic flux release installation cavity 6 side and make magnetic flux release 17 can install fixedly smoothly. In conclusion, the circuit breaker provided by the invention realizes that the circuit breaker with the carrier module with the meter can be set into a shell structure which is simple in structure and convenient to install by arranging the integrated mutual inductance support.
As a further improvement of the present invention, a mounting block 12 is oppositely arranged on a magnetic flux release mounting cavity 6 on a transformer support, a sliding groove 11 is arranged on the mounting block 12, a rear positioning rib 13 is arranged on one side away from an opening in a sliding direction, when a positioning groove 14 is arranged on the rear positioning rib 13, the magnetic flux release 17 comprises a body and a mounting shell 20, clamping rails 21 matched with the sliding groove 11 are arranged on two sides of the mounting shell 20, a coordination portion 22 matched with the coordination portion 10 is arranged on one side of the clamping rail 21, and a limit protrusion 23 matched with the positioning groove 14 is arranged on the mounting shell 20.
Through the technical scheme, the magnetic flux release 17 is provided with the sliding clamping rail 21 which is matched with the sliding chute 11 in the magnetic flux release cavity 6, and the magnetic flux release 17 can smoothly slide into the magnetic flux release cavity 6 through the matching of the magnetic flux release and the sliding clamping rail; and the limiting bulge 23 matched with the positioning groove 14 is arranged, so that after the magnetic flux release 17 enters the magnetic flux release cavity, the limiting bulge 23 is clamped into the positioning groove 14, and the magnetic flux release 17 is limited to move.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The utility model provides an integral type mutual-inductor support, its characterized in that, includes the support body of one-piece structure, the support body includes upper support body and lower floor's support body, lower floor's support body is provided with the mutual-inductor installation position that a plurality of arranged the setting, upper support body is provided with circuit board installation cavity, the side open-ended magnetic flux release installation cavity has been seted up to the support body between circuit board installation cavity and lower floor's support body, separate through the baffle between magnetic flux release installation cavity and the circuit board installation cavity.
2. The integrated transformer support according to claim 1, wherein: the circuit board installation cavity is provided with two at least circuit board erection columns, and two at least circuit board erection columns form a circuit board installation position, the upper rack body is provided with the isolation muscle in circuit board installation position circumference.
3. The integrated transformer support according to claim 1, wherein: the magnetic flux release mounting cavity is provided with a slide rail for the magnetic flux release to slide, and the magnetic flux release mounting cavity is provided with a matching part fixedly connected with the magnetic flux release.
4. The integrated transformer support according to claim 3, wherein: the matching part is any one of a clamping piece, a clamping hole, a screw hole or a pin hole.
5. The integrated transformer support according to claim 3, wherein: the slide rail comprises mounting blocks arranged on the left and right sides along the sliding direction of the magnetic flux release and a slide groove formed by oppositely arranging the two mounting blocks.
6. The integrated transformer support according to claim 3, wherein: the fitting portion is provided on the mounting block.
7. The integrated transformer support according to claim 6, wherein: the magnetic flux release mounting cavity is provided with a mounting notch at one side close to the mounting block provided with the matching part, and the mounting notch enables the magnetic flux release mounting cavity to be communicated with the outer side of the bracket body.
8. The integrated transformer support according to any one of claims 3 to 7, wherein: the magnetic flux release mounting cavity is provided with a rear positioning rib at one side far away from the opening in the sliding direction, and the rear positioning rib is provided with a positioning groove.
9. The circuit breaker is characterized by comprising a base, wherein the base is provided with a transformer bracket according to any one of claims 1 to 8, a transformer is installed at a transformer installation position, a circuit board is installed in a circuit board installation cavity, a magnetic flux release is installed in a magnetic flux release installation cavity, and a carrier module with a metering function is installed at the top end of an upper-layer frame body.
10. The circuit breaker according to claim 9, wherein the base is provided with the transformer bracket according to claim 8, the magnetic flux release comprises a body and a mounting housing, two sides of the mounting housing are provided with clamping rails matched with the sliding grooves, one side of the clamping rail is provided with a matching portion matched with the matching portion, and the mounting housing is provided with a limiting protrusion matched with the matching portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110925709.2A CN113889367A (en) | 2021-08-12 | 2021-08-12 | Integrated mutual inductor support and circuit breaker thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110925709.2A CN113889367A (en) | 2021-08-12 | 2021-08-12 | Integrated mutual inductor support and circuit breaker thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113889367A true CN113889367A (en) | 2022-01-04 |
Family
ID=79010998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110925709.2A Pending CN113889367A (en) | 2021-08-12 | 2021-08-12 | Integrated mutual inductor support and circuit breaker thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113889367A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4688011A (en) * | 1984-12-18 | 1987-08-18 | Square D Starkstrom Gmbh | Motor safety switch |
| CN101826423A (en) * | 2010-04-16 | 2010-09-08 | 江苏辉能电气有限公司 | Modularized electronic tripping device for low-voltage breaker |
| CN102163520A (en) * | 2011-03-03 | 2011-08-24 | 厦门宏美电子有限公司 | Integral electronic module of intelligent molded case circuit breaker |
| CN108511275A (en) * | 2018-04-27 | 2018-09-07 | 天津市百利电气有限公司 | The electronic control module of intelligent plastic shell-type breaker |
| CN216120130U (en) * | 2021-08-12 | 2022-03-22 | 浙江天正电气股份有限公司 | Intelligent moulded case circuit breaker |
-
2021
- 2021-08-12 CN CN202110925709.2A patent/CN113889367A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4688011A (en) * | 1984-12-18 | 1987-08-18 | Square D Starkstrom Gmbh | Motor safety switch |
| CN101826423A (en) * | 2010-04-16 | 2010-09-08 | 江苏辉能电气有限公司 | Modularized electronic tripping device for low-voltage breaker |
| CN102163520A (en) * | 2011-03-03 | 2011-08-24 | 厦门宏美电子有限公司 | Integral electronic module of intelligent molded case circuit breaker |
| CN108511275A (en) * | 2018-04-27 | 2018-09-07 | 天津市百利电气有限公司 | The electronic control module of intelligent plastic shell-type breaker |
| CN216120130U (en) * | 2021-08-12 | 2022-03-22 | 浙江天正电气股份有限公司 | Intelligent moulded case circuit breaker |
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