CN115020160A - Structure for indicating tripping position of hydraulic electromagnetic circuit breaker - Google Patents

Structure for indicating tripping position of hydraulic electromagnetic circuit breaker Download PDF

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Publication number
CN115020160A
CN115020160A CN202210742504.5A CN202210742504A CN115020160A CN 115020160 A CN115020160 A CN 115020160A CN 202210742504 A CN202210742504 A CN 202210742504A CN 115020160 A CN115020160 A CN 115020160A
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CN
China
Prior art keywords
circuit breaker
indicating
hydraulic electromagnetic
electromagnetic circuit
protective cover
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Granted
Application number
CN202210742504.5A
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Chinese (zh)
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CN115020160B (en
Inventor
施宏伟
刘福
胡媛
李一炜
林博铖
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Zhejiang Bsb Electrical Appliances Co ltd
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Zhejiang Bsb Electrical Appliances Co ltd
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Priority to CN202210742504.5A priority Critical patent/CN115020160B/en
Publication of CN115020160A publication Critical patent/CN115020160A/en
Application granted granted Critical
Publication of CN115020160B publication Critical patent/CN115020160B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04Means for indicating condition of the switching device
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/12Automatic release mechanisms with or without manual release

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  • Breakers (AREA)

Abstract

The invention relates to a structure for indicating a tripping position of a hydraulic electromagnetic circuit breaker, which is arranged in a shell of the circuit breaker and comprises: the protective cover is arranged in the shell, an embedded groove is formed, and inclined blocking pieces are symmetrically arranged on one side of the protective cover; the buckle sheet is arranged in the embedded groove and is rotationally connected with the connecting shaft arranged on the protective cover, and a boss is formed on the buckle sheet; the hasp rotate install in just run through on the shield the protection casing is located be formed with the breach on the hasp of embedded groove, when being in the hasp state, boss butt in the tip of breach, so that the cramp with the hasp keeps connected state, when being in the dropout state, the hasp rotates, so that the tip of breach with the boss breaks away from, and for the boss provides the space of passing through. The hydraulic electromagnetic circuit breaker tripping indicating position structure provided by the invention is combined with the handle, and whether the circuit breaker is tripped or not is judged by observing the current position of the handle, so that the power utilization efficiency is improved.

Description

Structure for indicating tripping position of hydraulic electromagnetic circuit breaker
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a structure for indicating a tripping position of a hydraulic electromagnetic circuit breaker.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-low voltage boundary line is divided more vaguely, and the circuit breakers above 3kV are generally called high-voltage electric appliances.
The breaker can be used to distribute electric energy, start asynchronous motor infrequently, protect power supply circuit and motor, and automatically cut off circuit when they have serious overload or short circuit and undervoltage faults, and it is equivalent to the combination of fuse switch and over-and-under-heat relay. Furthermore, no parts need to be changed after breaking the fault current.
However, in the related art circuit of the miniature circuit breaker, when the tripping mechanism of the miniature circuit breaker is disconnected due to fault current, the indicating member displays a fault tripping indication, and when the switching-on and switching-off operations are normally performed, the indicating member is changed into a state along with the state to indicate the breaking state of the circuit breaker, so that an operator cannot determine whether the circuit breaker is broken due to normal operation or due to fault breaking according to the indicating member of the circuit breaker.
Disclosure of Invention
The invention aims to provide a structure for indicating a tripping position of a hydraulic electromagnetic circuit breaker, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a hydraulic pressure magnetic circuit breaker instructs dropout position structure, installs in the shell of circuit breaker, including the dropout structure, the dropout structure includes:
the protective cover is arranged in the shell, an embedded groove is formed, and inclined blocking pieces are symmetrically arranged on one side of the protective cover;
the buckle sheet is arranged in the embedded groove and is rotationally connected with the connecting shaft arranged on the protective cover, and a boss is formed on the buckle sheet;
the hasp rotate install in just run through on the shield the protection casing is located be formed with the breach on the hasp of embedded groove, when being in the hasp state, boss butt in the tip of breach, so that the cramp with the hasp keeps connected state, when being in the dropout state, the hasp rotates, so that the tip of breach with the boss breaks away from, and for the boss provides the space of passing through.
The structure for indicating the tripping position of the hydraulic electromagnetic circuit breaker comprises the following components: a lock catch bulge is formed on one side of the lock catch, and the lock catch bulge is in a state of being abutted to a protective cover separation blade arranged on the protective cover.
The structure for indicating the tripping position of the hydraulic electromagnetic circuit breaker comprises the following components: and a buckle piece inclined plane part is formed on one side of the buckle piece, which faces the inclined blocking pieces, and is arranged between the two inclined blocking pieces and abutted against the inclined blocking pieces.
The structure for indicating the tripping position of the hydraulic electromagnetic circuit breaker comprises the following components: two the opposite side end portion of slope separation blade all the shaping has the protection casing arch, the protection casing arch with the tip butt of cramp inclined plane portion.
The structure for indicating the tripping position of the hydraulic electromagnetic circuit breaker comprises the following components: the protection casing is protruding to be the hemispherical structure setting.
The structure for indicating the tripping position of the hydraulic electromagnetic circuit breaker comprises the following components: the slope separation blade is the elastic plate, with when the cramp rotated, elastic deformation can take place for the slope separation blade to give way when the protection casing of cramp relatively removed.
The structure for indicating the tripping position of the hydraulic electromagnetic circuit breaker comprises the following components: the structure for indicating the tripping position of the hydraulic electromagnetic circuit breaker further comprises a turntable which is rotatably arranged in the shell, and a handle which protrudes out of the shell is arranged on the side edge of the turntable;
and a connecting piece is further fixed at the eccentric position of the turntable and is rotationally connected with a first rotating connecting part formed on the buckle piece.
The structure for indicating the tripping position of the hydraulic electromagnetic circuit breaker comprises the following components: rotate in the pivot of carousel install with shell inner wall connection's first connecting rod, first connecting rod is L type structure setting, first connecting rod is kept away from the one end of carousel is rotated and is installed the second connecting rod, the second connecting rod with the second that forms on the safety shield rotates connecting portion and rotates and be connected.
The structure for indicating the tripping position of the hydraulic electromagnetic circuit breaker comprises the following components: the position that is used for outstanding on the shell the handle department demountable installation has the translucent cover.
Compared with the prior art, the invention has the beneficial effects that: the hydraulic electromagnetic circuit breaker tripping position indicating structure is combined with the handle, whether the circuit breaker is tripped or not is judged by observing the current position of the handle, so that a user, a maintainer or a worker can conveniently check electrical faults, the power utilization efficiency is improved, and the practicability is high.
Drawings
Fig. 1 is a schematic diagram of a tripping structure in a structure for indicating a tripping position of a hydraulic electromagnetic circuit breaker.
Fig. 2 is a schematic structural diagram of another angle of the tripping structure in the structure of indicating the tripping position of the hydraulic electromagnetic circuit breaker.
Fig. 3 is a schematic structural diagram of a tripping structure in a structure for indicating a tripping position of the hydraulic electromagnetic circuit breaker.
Fig. 4 is a schematic diagram of a connection state between a protective cover and a latch in a structure for indicating a trip position of the hydraulic electromagnetic circuit breaker.
Fig. 5 is a schematic diagram of a connection state between a buckle piece and a buckle in a structure for indicating a tripping position of the hydraulic electromagnetic circuit breaker.
Fig. 6 is a schematic structural diagram of a hydraulic electromagnetic circuit breaker indicating a tripping position structure, in which a locking structure is in an un-tripped state.
Fig. 7 is a schematic structural diagram of a structure of the hydraulic electromagnetic circuit breaker indicating a tripping position, in which a latching structure is in a tripping state.
Fig. 8 is a schematic structural diagram of the hydraulic electromagnetic circuit breaker indicating the tripping position structure, wherein the tripping structure is in a locking state when the hydraulic electromagnetic circuit breaker is opened.
Fig. 9 is a schematic structural diagram of a hydraulic electromagnetic circuit breaker indicating a tripping position structure when the tripping structure is in a locking state.
Fig. 10 is a schematic structural diagram of a hydraulic electromagnetic circuit breaker indicating a tripping position structure when the tripping structure is in a tripping state.
In the figure: 1-protective cover, 2-inclined blocking piece, 3-connecting shaft, 4-buckling piece, 5-buckling piece inclined plane part, 6-first rotating connecting part, 7-locking buckle, 8-protective cover blocking piece, 9-locking buckle bulge, 10-second rotating connecting part, 11-protective cover bulge, 12-transparent cover, 13-handle, 14-rotary table, 15-connecting piece, 16-first connecting rod, 17-second connecting rod, 18-shell, 19-notch and 20-boss.
Detailed Description
Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
In addition, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements well known to those skilled in the art have not been described in detail so as not to obscure the present application.
Referring to fig. 1 to 7, in an embodiment of the present invention, a structure for indicating a trip position of a hydraulic electromagnetic circuit breaker is installed in a housing 18 of the circuit breaker, and includes a trip structure, where the trip structure includes: the protective cover 1, the buckle piece 4 and the buckle 7.
Protection casing 1 is located just be formed with embedded groove in the shell 18, one side symmetry of this protection casing 1 is provided with slope separation blade 2, install cramp 4 through connecting axle 3 rotation in the embedded groove, just be formed with boss 20 on the cramp 4, here boss 20 indicates, is formed with the ladder portion on the cramp 4, hasp 7 rotate install in on the protection casing 1 and run through protection casing 1 is located be formed with breach 19 on the hasp 7 of embedded groove in, boss 20 on the cramp 4 and breach 19 on hasp 7 and the hasp 7 can form two kinds of states of placing, and one of them is: when in a locking state, the boss 20 abuts against the end of the notch 19, so that the buckle piece 4 and the lock catch 7 are kept in a connected state; the second is as follows: when in a tripping state, the lock catch 7 rotates to disengage the end of the notch 19 from the boss 20 and provide a passage space for the boss 20.
For ease of understanding, the present invention provides a detailed description of the two placement states described above, as follows:
in a locking state, the part of the buckle piece 4 is arranged in the notch 19, and the step part on the buckle piece 4 is clamped with the buckle 7, which can also be understood as that the step part on the buckle piece 4 is arranged at a corner formed by the notch 19 and the buckle 7 to realize the connection between the buckle 7 and the buckle piece 4, in a releasing state, the buckle 7 rotates slightly, at this time, the corner formed by the notch 19 and the buckle 7 is separated from the step part on the buckle piece 4, and at this time, the buckle piece 4 loses a clamping state, so that the buckle piece 4 is separated from the buckle 7.
Furthermore, a locking protrusion 9 is formed on one side of the lock catch 7, and the locking protrusion 9 and a protective cover blocking piece 8 arranged on the protective cover 1 are kept in an abutting state, so that when the blocking piece 4 is separated from the lock catch 7, the lock catch 7 and the protective cover 1 move.
In the embodiment of the present invention, a fastening piece inclined plane portion 5 is formed on one side of the fastening piece 4 facing the inclined blocking piece 2, the fastening piece inclined plane portion 5 is disposed between the two inclined blocking pieces 2 and abuts against the inclined blocking pieces 2, further limiting of the fastening piece 4 is realized by the inclined blocking pieces 2 being arranged and the fastening piece inclined plane portion 5 being matched, and meanwhile, when the fastening piece 4 is tripped, a random reset phenomenon cannot occur, that is, after the fastening piece 4 is tripped, the tripping state can be maintained, so that inspection by an inspector is facilitated.
Preferably, two the equal shaping of the relative side tip of slope separation blade 2 has the protection casing arch 11, protection casing arch 11 with the tip butt of cramp inclined plane portion 5 to the realization is further spacing to slope separation blade 2, prevents at the circuit breaker in-process that opens and shuts, causes the dropout 4 to thread off, and is exemplary, a concrete embodiment, protection casing arch 11 is the setting of hemispherical structure, thereby makes when cramp inclined plane portion 5 is outstanding, can and the protection casing arch form the slope extrusion force between 11, is convenient for crowd slope separation blade 2 open.
In order to realize the indication of the tripped state and the non-tripped state, please refer to fig. 8-10, the structure for indicating the tripped position of the hydraulic electromagnetic circuit breaker further includes a rotating disc 14 rotatably installed in the housing 18, and a handle 13 protruding out of the housing 18 is disposed at a side of the rotating disc 14; a connecting piece 15 is further fixed at an eccentric position of the rotating disc 14, the connecting piece 15 is rotatably connected with the first rotating connecting part 6 formed on the buckle piece 4, illustratively, a transparent cover 12 is detachably mounted at a position on the housing 1 for protruding the handle 13, and the transparent cover 12 can be mounted on the housing 18 in a hinged manner or directly mounted in a clamping manner.
In combination with the above, what the present invention needs to explain is that, when the circuit breaker is in the opening or closing state, that is, the handle 13 is located at both ends of the stroke, the latch 7 and the buckle piece 4 are both in the non-tripping state, and when the circuit breaker is in the tripping state, the handle 13 is located at the middle position of both ends of the stroke, and the maintenance or working personnel can judge whether to trip or not by the current position of the handle 13, so as to intuitively obtain the tripping information.
Rotate in the pivot of carousel 14 install with 18 inner wall connection's of shell first connecting rod 16, first connecting rod 16 is L type structure setting, first connecting rod 16 keeps away from the one end of carousel 14 rotates and installs second connecting rod 17, second connecting rod 17 with the second that forms on the protection casing 1 rotates connecting portion 10 and rotates the connection.
In conclusion, the structure for indicating the tripping position of the hydraulic electromagnetic circuit breaker is combined with the handle 13, whether the circuit breaker is tripped or not is judged by observing the current position of the handle 13, so that a user, a maintainer or a worker can conveniently check electrical faults, the electricity utilization efficiency is improved, and the practicability is high.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. The utility model provides a hydraulic pressure magnetic circuit breaker instructs dropout position structure, installs in the shell (18) of circuit breaker, its characterized in that, including the dropout structure, the dropout structure includes:
the protective cover (1) is arranged in the shell (18) and is provided with an embedded groove, and one side of the protective cover (1) is symmetrically provided with inclined blocking pieces (2);
the buckle piece (4) is arranged in the embedded groove and is rotationally connected with the connecting shaft (3) arranged on the protective cover (1), and a boss (20) is formed on the buckle piece (4);
hasp (7), rotate install in on protection casing (1) and run through protection casing (1), be located be formed with breach (19) on hasp (7) of embedded groove, when being in the lock catch state, boss (20) butt in the tip of breach (19), so that cramp (4) with hasp (7) keep connected state, when being in the dropout state, hasp (7) rotate, so that the tip of breach (19) with boss (20) break away from, and do boss (20) provide through the space.
2. The structure of the hydraulic electromagnetic circuit breaker indicating the tripping position according to claim 1, characterized in that a locking protrusion (9) is formed on one side of the locking latch (7), and the locking protrusion (9) is kept in an abutting state with a protective cover baffle (8) arranged on the protective cover (1).
3. The structure of indicating the trip position of a hydraulic electromagnetic circuit breaker according to claim 1, wherein a side of the trip plate (4) facing the inclined blocking plate (2) is formed with a trip plate slope portion (5), and the trip plate slope portion (5) is disposed between the two inclined blocking plates (2) and abuts against the inclined blocking plates (2).
4. The structure of the hydraulic electromagnetic circuit breaker indicating the trip position according to claim 3, characterized in that the opposite side ends of the two inclined blocking pieces (2) are each formed with a shield projection (11), and the shield projections (11) abut against the end of the buckling piece slope part (5).
5. The structure of hydraulic electromagnetic circuit breaker indicating trip position according to claim 4, characterized in that the protection cover projection (11) is provided in a hemispherical structure.
6. The structure of the indicating trip position of the hydraulic electromagnetic circuit breaker according to claim 3, characterized in that the inclined blocking piece (2) is an elastic plate, so that when the cramp (4) rotates, the inclined blocking piece (2) can be elastically deformed to yield when the cramp (4) moves relative to the protective cover (1).
7. The structure of indicating the trip position of a hydraulic electromagnetic circuit breaker according to claim 1, characterized in that, the structure of indicating the trip position of a hydraulic electromagnetic circuit breaker further comprises a turntable (14) rotatably installed in the housing (18), a handle (13) protruding out of the housing (18) is provided at the side of the turntable (14);
the eccentric position department of carousel (14) still is fixed with connecting piece (15), connecting piece (15) with first rotation connecting portion (6) that form on cramp (4) rotate and be connected.
8. The structure of the indicating trip position of the hydraulic electromagnetic circuit breaker according to claim 7, characterized in that a first connecting rod (16) connected with the inner wall of the housing (18) is rotatably installed on the rotating shaft of the rotating disc (14), the first connecting rod (16) is arranged in an L-shaped structure, a second connecting rod (17) is rotatably installed at one end of the first connecting rod (16) far away from the rotating disc (14), and the second connecting rod (17) is rotatably connected with a second rotating connecting part (10) formed on the protective cover (1).
9. The structure of hydraulic electromagnetic circuit breaker indicating trip position according to claim 7, characterized in that a transparent cover (12) is detachably mounted on the housing (1) at the position for protruding the handle (13).
CN202210742504.5A 2022-06-27 2022-06-27 Structure for indicating tripping position of hydraulic electromagnetic circuit breaker Active CN115020160B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210742504.5A CN115020160B (en) 2022-06-27 2022-06-27 Structure for indicating tripping position of hydraulic electromagnetic circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210742504.5A CN115020160B (en) 2022-06-27 2022-06-27 Structure for indicating tripping position of hydraulic electromagnetic circuit breaker

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CN115020160B CN115020160B (en) 2022-12-30

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204315487U (en) * 2015-01-15 2015-05-06 乐清市森恒电器有限公司 Driving gear of breaker
CN204361032U (en) * 2015-01-05 2015-05-27 无锡新宏泰电器科技股份有限公司 Universal circuit breaker operating mechanism free handle
CN111834161A (en) * 2020-07-10 2020-10-27 厦门宏发开关设备有限公司 Circuit breaker
CN111834164A (en) * 2020-07-10 2020-10-27 厦门宏发开关设备有限公司 Circuit breaker

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204361032U (en) * 2015-01-05 2015-05-27 无锡新宏泰电器科技股份有限公司 Universal circuit breaker operating mechanism free handle
CN204315487U (en) * 2015-01-15 2015-05-06 乐清市森恒电器有限公司 Driving gear of breaker
CN111834161A (en) * 2020-07-10 2020-10-27 厦门宏发开关设备有限公司 Circuit breaker
CN111834164A (en) * 2020-07-10 2020-10-27 厦门宏发开关设备有限公司 Circuit breaker

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Denomination of invention: A Structure for Indicating Tripping Position of Hydraulic Electromagnetic Circuit Breakers

Effective date of registration: 20230802

Granted publication date: 20221230

Pledgee: Agricultural Bank of China Limited Lishui Development Zone Sub branch

Pledgor: ZHEJIANG BSB ELECTRICAL APPLIANCES CO.,LTD.

Registration number: Y2023330001620

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