CN116525368A - Miniature circuit breaker is assembled to back part - Google Patents
Miniature circuit breaker is assembled to back part Download PDFInfo
- Publication number
- CN116525368A CN116525368A CN202310546220.3A CN202310546220A CN116525368A CN 116525368 A CN116525368 A CN 116525368A CN 202310546220 A CN202310546220 A CN 202310546220A CN 116525368 A CN116525368 A CN 116525368A
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- China
- Prior art keywords
- circuit breaker
- assembled
- rear part
- miniature circuit
- pole
- 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.)
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- 239000000969 carrier Substances 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 230000006872 improvement Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- H01H71/08—Terminals; Connections
Landscapes
- Breakers (AREA)
Abstract
The invention discloses a miniature circuit breaker assembled by rear parts, which comprises a circuit breaker body and assembled rear parts, wherein the circuit breaker body is of a T-shaped structure, the circuit breaker body comprises a transverse base and a vertical shell, the assembled rear parts are embedded into the transverse base and are detachably fixed with the vertical shell, the assembled rear parts comprise a plurality of adjacent wire frame assembly carriers, the wire frame assembly carriers are respectively separated, and a plurality of sensors can be assembled in the assembled rear parts. The invention has reasonable design, the rear part is in a split assembly structure, the left half and the right half of the adjacent two wire frames share one assembly carrier, the rear parts of the wire frames are spliced left and right in a clamping manner through the inserting grooves and the inserting buckles, and the rear parts are integrally fixed through bolts and nuts or rivets, so that the wire frames can be conveniently and quickly replaced and the circuit breaker can be maintained.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a miniature circuit breaker assembled by rear parts.
Background
The circuit breaker is a switching device capable of closing, carrying and breaking a current under normal loop conditions and closing, carrying and breaking a current under abnormal loop conditions within a specified time, and parts are generally not required to be changed after breaking a fault current, so that the circuit breaker is widely applied, and is generally composed of a contact system, an arc extinguishing system, an operating mechanism, a release, a shell and the like, when a short circuit occurs, a magnetic field generated by a large current (generally 10 to 12 times) overcomes a counter force spring, the release pulls the operating mechanism to act, the switch instantaneously trips, when overload occurs, the current becomes large, the heating value is increased, and a bimetallic strip deforms to a certain extent to push the mechanism to act (the larger the current is, the shorter the acting time is).
The wire pressing foot of the wire frame needs very big pressure, and in the in-service use of circuit breaker, because many times wiring, the wire frame needs to repeatedly experience the increase and release of big moment of torsion, often can appear the wire frame damage or the binding screw card is dead, or burn out because of binding post overtemperature, in current product, because circuit breaker and wire frame loading body are an integer, the condition that appears will lead to the scrapping of whole circuit breaker.
The prior art has the following defects:
along with the increasing demand of electricity intellectualization, intelligent circuit breakers are produced, and besides the original overload short-circuit protection function, the functions of current, voltage, residual current and other electric signals acquisition, electric arc signal acquisition, wiring terminal temperature measurement, communication and the like are added, the sensors such as a residual current transformer, a metering transformer, an electric arc detection transformer and a wiring frame temperature measurement are connected in a built-in manner, and the voltage of an electronic plate is powered on, so that tens of leads are provided, the traditional circuit breakers and the wiring frame part are integrally arranged, the internal wiring is complex, reliable mass production cannot be realized, and the quality cannot be controlled.
The existing miniature circuit breaker structure is particularly suitable for three-pole (3P), four-pole (4P or 3P+N) and multi-pole intelligent circuit breaker products, and almost cannot produce full-function products.
Disclosure of Invention
The invention aims to provide a miniature circuit breaker assembled by rear parts, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a miniature circuit breaker is assembled to back part, includes circuit breaker body and pin-connected panel back part, the circuit breaker body is T shape structure, the circuit breaker body is including horizontal base and vertical casing, the pin-connected panel back part embedding is horizontal base and can dismantle fixedly with vertical casing, the pin-connected panel back part includes a plurality of adjacent wire frame assembly carrier, the wire frame assembly carrier is each from the components of a whole that can function independently, the built-in multiple sensor of assembly of pin-connected panel back part.
As a further improvement of the invention, the circuit breaker body is provided with a plugging groove, the spliced rear part is provided with a plugging clasp, and the plugging groove is clamped with the plugging clasp.
As a further improvement of the invention, the split rear part and the vertical shell are fixedly connected through any one of a screw, a nut and a rivet.
As a further improvement of the invention, the assembled rear part also comprises a wire frame for leading in current and leading out current.
As a further improvement of the invention, the assembled rear part further comprises a zero sequence current transformer for detecting residual current.
As a further improvement of the invention, the assembled rear part further comprises a current transformer for detecting load current.
As a further improvement of the invention, the assembled rear part further comprises an arc detection transformer for detecting an arc characteristic current waveform signal.
As a further improvement of the invention, the assembled rear part further comprises an outlet wire frame temperature sensor for measuring the temperature of the outlet wire terminal.
As a further improvement of the invention, the assembled rear part also comprises an outgoing line voltage lead used for the outgoing line voltage signal of the main control circuit board.
As a further improvement of the invention, the assembled rear part is one of an extension part and a standard rear part, and can be assembled into a single-pole, two-pole, three-pole, four-pole (including 3p+n) or more-pole circuit breaker according to the structure of the circuit breaker body.
Compared with the prior art, the invention has the beneficial effects that:
according to the split assembly structure of the rear part in the circuit breaker, the left half and the right half of the two adjacent wire frames share one assembly carrier, the rear part of the wire frames is spliced left and right in a clamping manner through the inserting grooves and the inserting buckles, and the rear part of the wire frames is integrally fixed through bolts and nuts or rivets, so that the wire frames can be conveniently and quickly replaced and the circuit breaker can be maintained;
according to the invention, the circuit breaker part and the rear part of the wire frame in the circuit breaker are fixed through transverse screws, nuts or rivets, and the lower end of the rear part of the wire frame is inserted and buckled in the circuit breaker, so that the circuit breaker is convenient to install and detach.
Drawings
FIG. 1 is a perspective view of embodiment 1 of the present invention;
fig. 2 is an exploded view of the breaker body and assembled rear components of embodiment 1 of the present invention;
fig. 3 is a cross-sectional perspective view of a breaker body according to embodiment 1 of the present invention;
fig. 4 is a sectional exploded view of a breaker body according to embodiment 1 of the present invention;
FIG. 5 is a schematic overall view of embodiment 1 of the present invention;
FIG. 6 is a partial perspective view of embodiment 1 of the present invention;
FIG. 7 is a schematic view of a partial explosion of embodiment 1 of the present invention;
FIG. 8 is a perspective view of embodiment 2 of the present invention;
fig. 9 is a schematic structural diagram of embodiment 2 of the present invention.
In the figure: 1. a circuit breaker body; 101. a transverse base; 102. a vertical housing; 103. a plug-in groove; 2. a spliced rear part; 21. a wire frame assembly carrier; 22. and (5) inserting a clasp.
Description of the embodiments
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "mounted," "connected," or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have the orientation specific to the specification, be constructed and operated in the specific orientation, and thus should not be construed as limiting the present invention.
As a further refinement of the present invention, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying 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.
Examples
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a miniature circuit breaker is assembled to back part, including circuit breaker body 1 and pin-connected panel back part 2, circuit breaker body 1 is T shape structure, is equipped with contact subassembly, switch module in the circuit breaker body, and switch module can realize that contact subassembly switches on or trips, circuit breaker body 1 is including horizontal base 101 and vertical casing 102, and pin-connected panel back part 2 imbeds horizontal base 101 and can dismantle fixedly with vertical casing 102, and pin-connected panel back part 2 includes a plurality of adjacent wire frame assembly carrier 21, and wire frame assembly carrier 21 each components of a whole that can function independently, and pin-connected panel back part 2 embeds can assemble multiple sensor, and pin-connected panel back part 2 is extension part;
in some embodiments of the invention, the circuit breaker body 1 is provided with a plugging groove 103, the spliced rear part 2 is provided with a plugging clasp 22, and the plugging groove 103 is clamped with the plugging clasp 22;
in some embodiments of the present invention, the split rear part 2 and the vertical housing 102 are fixedly connected by any one of a screw nut or a rivet;
in some embodiments of the present invention, the split rear part 2 further includes a wire frame for introducing and extracting current;
in some embodiments of the invention, the assembled rear part 2 further comprises a zero sequence current transformer for detecting residual current;
in some embodiments of the present invention, the split rear part 2 further comprises a current transformer for detecting load current;
in some embodiments of the present invention, the split rear part 2 further comprises an arc detection transformer for detecting an arc characteristic current waveform signal;
in some embodiments of the invention, the assembled rear part 2 further comprises an outlet wire frame temperature sensor for measuring the temperature of the outlet wire terminal;
in some embodiments of the present invention, the assembled rear part 2 further includes an outgoing line voltage lead for the outgoing line voltage signal of the main control circuit board;
in some embodiments of the invention, the modular rear part 2 may be assembled into single pole, two pole, three pole, four pole circuit breakers including 3p+n or more depending on the circuit breaker body configuration.
Examples
Referring to fig. 8-9, the invention provides a technical scheme, a rear component assembled miniature circuit breaker, which comprises a circuit breaker body 1 and an assembled rear component 2, wherein the circuit breaker body 1 is of a T-shaped structure, a contact component and a switch component are arranged in the circuit breaker body, the switch component can realize the connection or disconnection of the contact component, the circuit breaker body 1 comprises a transverse base 101 and a vertical shell 102, the assembled rear component 2 is embedded in the transverse base 101 and is detachably fixed with the vertical shell 102, the assembled rear component 2 comprises a plurality of adjacent wire frame assembly carriers 21, the wire frame assembly carriers 21 are respectively split, various sensors can be assembled in the assembled rear component 2, and the assembled rear component 2 is a standard rear component;
in some embodiments of the invention, the circuit breaker body 1 is provided with a plugging groove 103, the spliced rear part 2 is provided with a plugging clasp 22, and the plugging groove 103 is clamped with the plugging clasp 22;
in some embodiments of the present invention, the split rear part 2 and the vertical housing 102 are fixedly connected by any one of a screw nut or a rivet;
in some embodiments of the present invention, the split rear part 2 further includes a wire frame for introducing and extracting current;
in some embodiments of the invention, the assembled rear part 2 further comprises a zero sequence current transformer for detecting residual current;
in some embodiments of the present invention, the split rear part 2 further comprises a current transformer for detecting load current;
in some embodiments of the present invention, the split rear part 2 further comprises an arc detection transformer for detecting an arc characteristic current waveform signal;
in some embodiments of the invention, the assembled rear part 2 further comprises an outlet wire frame temperature sensor for measuring the temperature of the outlet wire terminal;
in some embodiments of the present invention, the assembled rear part 2 further includes an outgoing line voltage lead for the outgoing line voltage signal of the main control circuit board;
in some embodiments of the invention, the modular rear part 2 may be assembled into single pole, two pole, three pole, four pole circuit breakers including 3p+n or more depending on the circuit breaker body configuration.
In this device, back part components of a whole that can function independently assembles the structure, and half about two adjacent terminal frames share an assembly carrier, and the terminal frame back part is controlled the concatenation through the mode of spliced groove and grafting buckle joint, and carries out whole fixation through screw nut or rivet, makes things convenient for quick replacement terminal frame and maintains the circuit breaker.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a miniature circuit breaker is assembled to back part, includes circuit breaker body (1) and assembled back part (2), its characterized in that: the circuit breaker body (1) is of a T-shaped structure, the circuit breaker body (1) comprises a transverse base (101) and a vertical shell (102), the spliced rear part (2) is embedded into the transverse base (101) and is detachably fixed with the vertical shell (102), the spliced rear part (2) comprises a plurality of adjacent wire frame assembly carriers (21), the wire frame assembly carriers (21) are respectively split, and the spliced rear part (2) is internally provided with various sensors.
2. The back-piece miniature circuit breaker of claim 1, wherein: the circuit breaker is characterized in that an inserting groove (103) is formed in the circuit breaker body (1), an inserting clasp (22) is arranged on the assembled rear part (2), and the inserting groove (103) is clamped with the inserting clasp (22).
3. The back-piece miniature circuit breaker of claim 1, wherein: the assembly type rear part (2) is fixedly connected with the vertical shell (102) through any one of bolts, nuts or rivets.
4. The back-piece miniature circuit breaker of claim 1, wherein: the assembled rear part (2) further comprises a wire frame for leading in current and leading out current.
5. The back-piece miniature circuit breaker of claim 1, wherein: the assembled rear part (2) further comprises a zero sequence current transformer for detecting residual current.
6. The back-piece miniature circuit breaker of claim 1, wherein: the assembled rear part (2) further comprises a current transformer for detecting load current.
7. The back-piece miniature circuit breaker of claim 1, wherein: the assembled rear part (2) further comprises an arc detection transformer for detecting arc characteristic current waveform signals.
8. The back-piece miniature circuit breaker of claim 1, wherein: the assembled rear part (2) further comprises an outlet wire frame temperature sensor for measuring the temperature of the outlet wire terminal.
9. The back-piece miniature circuit breaker of claim 1, wherein: the assembled rear component (2) further comprises an outgoing line voltage lead used for leading out line voltage signals of the main control circuit board.
10. The back-piece miniature circuit breaker of claim 1, wherein: the assembled rear part (2) is one of an lengthening part and a standard rear part, and the assembled rear part (2) can be assembled into a single-pole, two-pole, three-pole, four-pole (including 3P+N) or more-pole circuit breaker according to the structure of the circuit breaker body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310546220.3A CN116525368A (en) | 2023-05-16 | 2023-05-16 | Miniature circuit breaker is assembled to back part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310546220.3A CN116525368A (en) | 2023-05-16 | 2023-05-16 | Miniature circuit breaker is assembled to back part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116525368A true CN116525368A (en) | 2023-08-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310546220.3A Pending CN116525368A (en) | 2023-05-16 | 2023-05-16 | Miniature circuit breaker is assembled to back part |
Country Status (1)
| Country | Link |
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| CN (1) | CN116525368A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110115585A1 (en) * | 2009-11-16 | 2011-05-19 | Square D Company | Low cost multi-pole circuit breakers with shared components |
| CN202930339U (en) * | 2012-12-01 | 2013-05-08 | 温州创伟永吉电气有限公司 | Assembled circuit breaker with overcurrent protection |
| CN205248215U (en) * | 2015-12-31 | 2016-05-18 | 常熟开关制造有限公司(原常熟开关厂） | Detection apparatus for circuit breaker body position sigual |
| US20180090292A1 (en) * | 2015-03-19 | 2018-03-29 | Hebei Bao Kay Electric Co., Ltd | Miniature circuit breaker capable of rapid breaking |
| CN108807088A (en) * | 2018-06-15 | 2018-11-13 | 苏州升皓电气自动化有限公司 | Miniature circuit breaker modularization confluence pedestal |
| CN209071241U (en) * | 2019-01-10 | 2019-07-05 | 常熟开关制造有限公司(原常熟开关厂） | A kind of breaker of electric quantity measuring device |
| CN210092012U (en) * | 2019-06-18 | 2020-02-18 | 新睿电气科技有限公司 | Multi-pole circuit breaker with modular leakage protection |
-
2023
- 2023-05-16 CN CN202310546220.3A patent/CN116525368A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110115585A1 (en) * | 2009-11-16 | 2011-05-19 | Square D Company | Low cost multi-pole circuit breakers with shared components |
| CN202930339U (en) * | 2012-12-01 | 2013-05-08 | 温州创伟永吉电气有限公司 | Assembled circuit breaker with overcurrent protection |
| US20180090292A1 (en) * | 2015-03-19 | 2018-03-29 | Hebei Bao Kay Electric Co., Ltd | Miniature circuit breaker capable of rapid breaking |
| CN205248215U (en) * | 2015-12-31 | 2016-05-18 | 常熟开关制造有限公司(原常熟开关厂） | Detection apparatus for circuit breaker body position sigual |
| CN108807088A (en) * | 2018-06-15 | 2018-11-13 | 苏州升皓电气自动化有限公司 | Miniature circuit breaker modularization confluence pedestal |
| CN209071241U (en) * | 2019-01-10 | 2019-07-05 | 常熟开关制造有限公司(原常熟开关厂） | A kind of breaker of electric quantity measuring device |
| CN210092012U (en) * | 2019-06-18 | 2020-02-18 | 新睿电气科技有限公司 | Multi-pole circuit breaker with modular leakage protection |
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