CN116130305A - Plug-in low-voltage circuit breaker - Google Patents
Plug-in low-voltage circuit breaker Download PDFInfo
- Publication number
- CN116130305A CN116130305A CN202310302580.9A CN202310302580A CN116130305A CN 116130305 A CN116130305 A CN 116130305A CN 202310302580 A CN202310302580 A CN 202310302580A CN 116130305 A CN116130305 A CN 116130305A
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- CN
- China
- Prior art keywords
- switch body
- circuit breaker
- plug
- voltage circuit
- insulating base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009434 installation Methods 0.000 claims abstract description 18
- 230000008878 coupling Effects 0.000 claims description 32
- 238000010168 coupling process Methods 0.000 claims description 32
- 238000005859 coupling reaction Methods 0.000 claims description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- H01H71/0264—Mountings or coverplates for complete assembled circuit breakers, e.g. snap mounting in panel
Landscapes
- Breakers (AREA)
Abstract
The invention discloses a plug-in low-voltage circuit breaker, wherein an installation groove for installing a switch body is formed in an insulating base, a first sliding groove extending towards the direction far away from the switch body is formed in the side wall of the installation groove, a sliding block which can be in sliding fit with the first sliding groove is arranged at the bottom of a clamping piece, the sliding block is matched with the first sliding groove of the insulating base in a first position state, and a first electric connection structure of the insulating base is electrically connected with a second electric connection structure of the switch body. Through above-mentioned optimal design's plug-in type low voltage circuit breaker, insulating base, switch body and fastener carry out the modularized design respectively, simple structure, the fastener is through cooperating with insulating base, carries out spacingly after the switch body installs insulating base, guarantees the installation reliability of two, is convenient for quick assembly disassembly when the switch body breaks down, reduces the influence of trouble to whole circuit.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a plug-in low-voltage circuit breaker.
Background
Low voltage circuit breakers, also known as low voltage air switches, are commonly installed in electrical distribution boxes to distribute electrical power and protect lines and power equipment from overload and short circuits. Existing air switches are divided into plug-in, fixed and drawer type according to the installation mode. The use of the plug-in circuit breaker can effectively improve the use safety of electrical equipment, is convenient and quick to assemble, and is widely applied to industries such as communication and the like. When the air switch fails, the power of the distribution box needs to be cut off, and then the switch is detached from the distribution box for maintenance, which causes long-time power failure maintenance. Meanwhile, the power failure is incomplete during disassembly, and serious personnel safety hidden trouble during maintenance can be caused.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides a plug-in low-voltage circuit breaker.
The invention provides a plug-in low-voltage circuit breaker, which comprises: the switch comprises an insulating base, a switch body and a clamping piece, wherein an installation groove is formed in the insulating base, the switch body is installed in the installation groove, a first sliding groove extending towards the direction away from the switch body is formed in the side wall of the installation groove, a sliding block capable of being in sliding fit with the first sliding groove is arranged at the bottom of the clamping piece, a first electric coupling structure is arranged in the insulating base, and a second electric coupling structure matched with the first electric coupling structure is arranged in the switch body;
the fastener is in under the first position state, and slider and first spout cooperation, fastener one end are located switch body top and are used for spacing the switch body, and first electricity federation structure is connected with the electricity federation structure electricity of second.
Preferably, the mounting groove comprises two clamping pieces, and the two opposite sides of the mounting groove are respectively provided with a first sliding groove matched with the two clamping pieces.
Preferably, the first electric coupling structure is located in the first sliding groove, and the sliding block is provided with a conductive structure for communicating the first electric coupling structure and the second electric coupling structure.
Preferably, the first electrical connection structure is located at the bottom of the first sliding slot, and the conductive structure comprises a sliding sheet located at the bottom of the sliding block and an electrical conductor extending upwards from the sliding sheet.
Preferably, the slider has a T-shaped configuration, and the first runner has a T-shaped cross section that mates with the slider.
Preferably, a second chute is arranged in the switch body, and the first chute and the second chute jointly form a slideway matched with the sliding block;
and one end of the sliding block is slidably arranged in the second sliding groove when the clamping piece is in the first position state.
Preferably, the first electrical connection structure is located in the first sliding groove, the second electrical connection structure is located in the second sliding groove, and the sliding block is provided with a conductive structure for communicating the first electrical connection structure and the second electrical connection structure.
Preferably, the bottoms of the first chute and the second chute are respectively provided with a contact copper sheet, and the bottom of the sliding block is provided with a metal sliding sheet matched with the contact copper sheet.
Preferably, a limiting structure for limiting the sliding block is arranged in the second sliding groove.
Preferably, a plurality of second sliding grooves are arranged side by side on one side of the switch body, and first sliding grooves which are respectively arranged corresponding to the plurality of second sliding grooves are arranged on the insulating base.
According to the plug-in low-voltage circuit breaker, the mounting groove for mounting the switch body is formed in the insulating base, the first sliding groove extending towards the direction far away from the switch body is formed in the side wall of the mounting groove, the sliding block which can be in sliding fit with the first sliding groove is arranged at the bottom of the clamping piece, the sliding block is matched with the first sliding groove of the insulating base in the first position state, and the first electric coupling structure of the insulating base is electrically connected with the second electric coupling structure of the switch body. Through above-mentioned optimal design's plug-in type low voltage circuit breaker, insulating base, switch body and fastener carry out the modularized design respectively, simple structure, the fastener is through cooperating with insulating base, carries out spacingly after the switch body installs insulating base, guarantees the installation reliability of two, is convenient for quick assembly disassembly when the switch body breaks down, reduces the influence of trouble to whole circuit.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a plug-in low voltage circuit breaker according to the present invention.
Fig. 2 is a schematic structural view of an insulating base of an embodiment of a plug-in low voltage circuit breaker according to the present invention.
Fig. 3 is a schematic diagram of a switch body of an embodiment of a plug-in low voltage circuit breaker according to the present invention placed on an insulating base.
Fig. 4 is a schematic structural view of a clip of an embodiment of a plug-in low voltage circuit breaker according to the present invention in a second position state.
Fig. 5 is a schematic structural view of a clamping member in a first position state of an embodiment of a plug-in low voltage circuit breaker according to the present invention.
Fig. 6 is a schematic structural diagram of a clamping member and an insulating base in cooperation with one embodiment of a plug-in low voltage circuit breaker according to the present invention.
Fig. 7 is a schematic diagram illustrating electrical connection between a first position and a second position of a clip according to an embodiment of a plug-in low voltage circuit breaker according to the present invention.
Fig. 8 is a schematic structural diagram of a fastener and a switch body of an embodiment of a plug-in low voltage circuit breaker according to the present invention.
Detailed Description
As shown in fig. 1 to 8, fig. 1 is a schematic structural view of an embodiment of an inserted low-voltage circuit breaker according to the present invention, fig. 2 is a schematic structural view of an insulating base of an embodiment of an inserted low-voltage circuit breaker according to the present invention, fig. 3 is a schematic structural view of a switch body of an embodiment of an inserted low-voltage circuit breaker according to the present invention placed on the insulating base, fig. 4 is a schematic structural view of a clip of an embodiment of an inserted low-voltage circuit breaker according to the present invention in a second position state, fig. 5 is a schematic structural view of a clip of an embodiment of an inserted low-voltage circuit breaker according to the present invention in a first position state, fig. 6 is a schematic structural view of a clip of an embodiment of an inserted low-voltage circuit breaker according to the present invention mated with the insulating base, fig. 7 is an electrical connection mating when a clip of an embodiment of an inserted low-voltage circuit breaker according to the present invention is in a first position state, and fig. 8 is a schematic structural view of a clip of an embodiment of an inserted low-voltage circuit breaker according to the present invention mated with an embodiment of an inserted low-voltage circuit breaker according to the present invention.
The invention provides a plug-in low-voltage circuit breaker, which comprises: an insulating base 1, a switch body 2 and a clamping piece 3;
be equipped with mounting groove on the insulating base 1, switch body 2 installs in the mounting groove, the mounting groove lateral wall is equipped with to keeping away from the first spout that switch body 2 direction extends, but fastener 3 bottom has with first spout sliding fit's slider 31, is equipped with first electric connection structure 5 in the insulating base 1, is equipped with second electric connection structure 6 in the switch body 2.
Referring to fig. 1-5, in a specific installation mode of the plug-in low voltage circuit breaker of this embodiment, firstly, the clamping piece is installed on the insulating base through the sliding block, at this time, the clamping piece is located in a second position state, and is located at two sides of the installation groove, then, the switch body is installed in the installation groove of the insulating base, the clamping piece slides towards the direction of the switch body, so that one end of the clamping piece is located above the switch body, and the switch body is limited in the installation groove. At this time, the installation of the switch body is completed, and at the same time, the first electrical coupling structure 5 is electrically connected with the second electrical coupling structure 6. When the switch body breaks down, remove the fastener to one side to the second position state, lift off the switch body from insulating base, first electricity federation structure and second electricity federation structure break off promptly, avoid the switch body electric leakage. The circuit breaker can continue to work by replacing the new switch body again.
In this embodiment, the plug-in low voltage circuit breaker that proposes is equipped with the mounting groove that is used for installing the switch body on the insulating base, and the mounting groove lateral wall is equipped with the first spout that extends to keeping away from switch body direction, but the fastener bottom has sliding fit's slider with first spout, but the fastener is in under the first position state, slider and insulating base's first spout cooperation, and insulating base's first electric structure and switch body's second electric structure electricity are connected. Through above-mentioned optimal design's plug-in type low voltage circuit breaker, insulating base, switch body and fastener carry out the modularized design respectively, simple structure, the fastener is through cooperating with insulating base, carries out spacingly after the switch body installs insulating base, guarantees the installation reliability of two, is convenient for quick assembly disassembly change when the switch body breaks down, reduces the influence of trouble to whole circuit.
In a specific embodiment, the plug-in low-voltage circuit breaker of the embodiment comprises two clamping pieces 3, and two opposite sides of the mounting groove are respectively provided with a first sliding groove matched with the two clamping pieces 3. The switch body is fixed from both sides to two fastener, improves the reliability of installation.
Furthermore, a plurality of first sliding grooves arranged side by side may be provided on the insulating base 1.
In the specific connection mode of the clamping piece and the insulating base, the clamping piece and the insulating base can be designed to be of a split structure. When the switch body is detached from the insulating base, the clamping piece can be detached from the insulating base, and the switch body, the insulating base and the clamping piece are in modularized design, so that the switch body is convenient to detach, repair and maintain integrally.
In order to improve the limit reliability of the clamping block to the switch body, a second sliding groove is arranged in the switch body 2, and the first sliding groove and the second sliding groove jointly form a sliding way matched with the sliding block 31. In the first position state, the clamping piece 3 has one end of the sliding block 31 slidably mounted in the second sliding groove. At this time, the clip and the slider position the switch body from above and from the bottom, respectively.
In a specific design manner of the sliding block, the sliding block 31 has a T-shaped structure, and the first sliding groove and the second sliding groove have T-shaped cross sections matched with the sliding block 31.
Referring to fig. 6 and 7, in a specific design manner of the first electrical coupling structure and the second electrical coupling structure, the first electrical coupling structure 5 is located in the first sliding groove, and the sliding block 31 is provided with a conductive structure for communicating the first electrical coupling structure 5 and the second electrical coupling structure 6. Further, the second electrical coupling structure 6 is located in the second chute. When the clamping piece is in the first position state, one part of the sliding block is located in the first sliding groove, the other part of the sliding block is located in the second sliding groove, and at the moment, the first electric connection structure in the first sliding groove is electrically connected with the second electric connection structure in the second sliding groove through the conductive structure on the sliding block, so that the insulation base is connected with the internal circuit of the switch body.
When the switch is disassembled, as the circuit between the switch body and the insulating base is connected through the conductive structure on the clamping block, when the clamping block retreats to the insulating base, the circuit is disconnected, so that the switch body is in a short-circuit state when being disassembled and replaced, and the safety of operators is ensured.
In one embodiment, a first electrical coupling structure may be disposed at the bottom of the first runner and a second electrical coupling structure may be disposed at the bottom of the second runner, the conductive structure including a slider 41 at the bottom of the slider 31 and an electrical conductor 42 extending upwardly from the slider 41. And as the sliding block moves between the first position state and the second position state, the sliding block is electrically contacted with the first electric coupling structure and the second electric coupling structure.
In a specific design manner, contact copper sheets can be arranged at the bottoms of the first chute and the second chute, and a metal sliding sheet matched with the contact copper sheets is arranged at the bottom of the sliding block 31. At this time, the slider cooperates with the spout T type, guarantees the reliability of gleitbretter and copper sheet electrical contact.
In other specific embodiments, a limiting structure for limiting the sliding block 31 is arranged in the second sliding groove, and when the clamping piece moves to the first position state, the limiting structure limits the clamping piece through the sliding block, so that the clamping piece is ensured not to move during working. In a specific design, the second chute may be designed as a blind chute.
In practical design, as shown in fig. 8, the second electrical connection structure may also be designed as a chuck structure, and the electrical conductor of the conductive structure is correspondingly designed as a blade, and the conductive structure is in electrical contact fit with the second electrical connection structure through the electrical conductor.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. A plug-in low voltage circuit breaker, comprising: an insulating base (1), a switch body (2) and a clamping piece (3);
an installation groove is formed in the insulating base (1), the switch body (2) is installed in the installation groove, a first sliding groove (71) extending towards the direction far away from the switch body (2) is formed in the side wall of the installation groove, a sliding block (31) which is slidably matched with the first sliding groove (71) is arranged at the bottom of the clamping piece (3), a first electric coupling structure (5) is arranged in the insulating base (1), and a second electric coupling structure (6) is arranged in the switch body (2);
the clamping piece (3) is in under the first position state, and slider (31) cooperates with first spout (71), and clamping piece (3) one end is located switch body (2) top and is used for spacing switch body (2), and first electric coupling structure (5) are connected with second electric coupling structure (6) electricity.
2. The plug-in low voltage circuit breaker according to claim 1, comprising two clamping members (3), wherein the mounting recess is provided with first sliding grooves (71) cooperating with the two clamping members (3) on opposite sides, respectively.
3. The plug-in low voltage circuit breaker according to claim 1, characterized in that the first electrical coupling structure (5) is located in the first runner (71), and that the slider (31) is provided with an electrically conductive structure for connecting the first electrical coupling structure (5) and the second electrical coupling structure (6).
4. A plug-in low voltage circuit breaker according to claim 3, characterized in that the first electrical coupling structure (5) is located at the bottom of the first runner (71), the electrically conductive structure comprising a slide (41) located at the bottom of the slider (31) and an electrically conductive member (42) extending upwards from the slide (41).
5. Plug-in low-voltage circuit breaker according to any of claims 1 to 4, characterized in that the slider (31) has a T-shaped structure and the first runner (71) has a T-shaped cross section cooperating with the slider (31).
6. The plug-in low voltage circuit breaker according to claim 1, characterized in that a second chute (72) is provided in the switch body (2), the first chute (71) and the second chute (72) together forming a slideway cooperating with the slider (31);
and one end of the sliding block (31) is slidably arranged in the second sliding groove (72) when the clamping piece (3) is in the first position state.
7. The plug-in low voltage circuit breaker according to claim 6, characterized in that the first electrical coupling structure (5) is located in the first runner (71) and the second electrical coupling structure (6) is located in the second runner (72), and that the slider (31) is provided with an electrically conductive structure for communicating the first electrical coupling structure (5) and the second electrical coupling structure (6).
8. The plug-in low voltage circuit breaker according to claim 7, characterized in that the bottoms of the first runner (71) and the second runner (72) are provided with contact copper sheets, and the bottom of the slider (31) is provided with a metal slide sheet matched with the contact copper sheets.
9. The plug-in low voltage circuit breaker according to claim 6, characterized in that a limit structure for limiting the slide (31) is provided in the second slide groove (72).
10. The plug-in low voltage circuit breaker according to claim 6, characterized in that the switch body (2) is provided with a plurality of second sliding grooves (72) arranged side by side, and the insulating base (1) is provided with first sliding grooves (71) arranged corresponding to the plurality of second sliding grooves (72), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310302580.9A CN116130305B (en) | 2023-03-24 | 2023-03-24 | Plug-in low-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310302580.9A CN116130305B (en) | 2023-03-24 | 2023-03-24 | Plug-in low-voltage circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116130305A true CN116130305A (en) | 2023-05-16 |
| CN116130305B CN116130305B (en) | 2023-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310302580.9A Active CN116130305B (en) | 2023-03-24 | 2023-03-24 | Plug-in low-voltage circuit breaker |
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| Country | Link |
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| CN (1) | CN116130305B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000067726A (en) * | 1998-08-26 | 2000-03-03 | Terasaki Electric Co Ltd | Removing device for circuit breaker |
| JP2002150911A (en) * | 2000-11-08 | 2002-05-24 | Tempearl Ind Co Ltd | Installation structure for circuit breaker |
| CN208093481U (en) * | 2018-04-13 | 2018-11-13 | 杭州华电自控设备有限公司 | A kind of protection pedestal for breaker intelligent measurement |
| CN209729834U (en) * | 2018-01-29 | 2019-12-03 | 海南欣灵电气有限公司 | A kind of new plug-in breaker |
| CN112530754A (en) * | 2020-12-02 | 2021-03-19 | 广东电网有限责任公司江门供电局 | But quick replacement's plug-in low pressure air switch |
| CN213519801U (en) * | 2020-11-26 | 2021-06-22 | 天津天地通自动化设备有限公司 | Miniature circuit breaker that protectiveness is strong |
| CN215183782U (en) * | 2021-07-12 | 2021-12-14 | 江苏高开电力科技有限公司 | Plug-in circuit breaker and base thereof |
-
2023
- 2023-03-24 CN CN202310302580.9A patent/CN116130305B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000067726A (en) * | 1998-08-26 | 2000-03-03 | Terasaki Electric Co Ltd | Removing device for circuit breaker |
| JP2002150911A (en) * | 2000-11-08 | 2002-05-24 | Tempearl Ind Co Ltd | Installation structure for circuit breaker |
| CN209729834U (en) * | 2018-01-29 | 2019-12-03 | 海南欣灵电气有限公司 | A kind of new plug-in breaker |
| CN208093481U (en) * | 2018-04-13 | 2018-11-13 | 杭州华电自控设备有限公司 | A kind of protection pedestal for breaker intelligent measurement |
| CN213519801U (en) * | 2020-11-26 | 2021-06-22 | 天津天地通自动化设备有限公司 | Miniature circuit breaker that protectiveness is strong |
| CN112530754A (en) * | 2020-12-02 | 2021-03-19 | 广东电网有限责任公司江门供电局 | But quick replacement's plug-in low pressure air switch |
| CN215183782U (en) * | 2021-07-12 | 2021-12-14 | 江苏高开电力科技有限公司 | Plug-in circuit breaker and base thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116130305B (en) | 2023-12-12 |
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