CN201478229U - Intelligent breaker with plastic shell - Google Patents
Intelligent breaker with plastic shell Download PDFInfo
- Publication number
- CN201478229U CN201478229U CN2009201621954U CN200920162195U CN201478229U CN 201478229 U CN201478229 U CN 201478229U CN 2009201621954 U CN2009201621954 U CN 2009201621954U CN 200920162195 U CN200920162195 U CN 200920162195U CN 201478229 U CN201478229 U CN 201478229U
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- China
- Prior art keywords
- overcurrent
- release
- iron core
- insulated tube
- spring
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Abstract
The utility model discloses an intelligent breaker with a plastic shell, which comprises a plastic base, a wiring assembly, a contact system, an operating mechanism and a trip device. The trip device comprises three electromagnetic overcurrent trippers and a tripper lever assembly; all the overcurrent trippers are vertically arranged on the sides of the corresponding movable contacts, which are far from the static contacts; and the trip lever assembly comprises a trip lever and a torsional spring which provides resetting elasticity for the trip lever; and the trip lever is rotatably connected with the plastic base. Each overcurrent tripper comprises an insulated tube provided with a sliding hole, a coil sleeved on the insulated tube, a movable iron core and a spring, wherein the spring is arranged in the sliding hole of the insulated tube and below the movable iron core. In the course of vertically sliding to and fro, the movable iron core drives the tripper lever to rotate so as to enable the operating mechanism to switch on and off. The intelligent breaker is reasonable in structure, sensitive in response and stable and reliable in performance and can trip timely in the cases of overvoltage, overcurrent and undervoltage.
Description
Technical field:
The utility model belongs to the low-tension switch electric appliance technical field, is specifically related to a kind of intelligent plastic casing break.
Background technology:
The principal character of moulded case circuit breaker is that a shell that adopts polyester insulated material mold pressing to form is arranged, and all parts all are contained in this enclosed type shell.Moulded case circuit breaker mostly is non-selection type, according to the different purposes of circuit breaker in circuit, is divided into distribution and uses as the circuit breaker etc. that throws light on circuit breaker and other loads with circuit breaker, motor protection.Be usually used in doing the power control switch and the protection of equipment such as distribution line, motor, lighting circuit and electric heater in the low-voltage distribution switch cubicle.
In general, circuit breaker comprises plastic feet and the connector assembly, contact system, operating mechanism and the trip gear that are arranged on the base; Described contact system comprises three moving contacts and three fixed contacts; Described operating mechanism matches with described trip gear, but trip gear trigger action mechanism makes it finish the automatic brake separating action.Existing trip gear is of a great variety, for example magnetictrip, owe electric release, shunt release etc.; Common coil type magnetictrip is used in the earth leakage protective device more at present, and it is horizontally set on the base, and quantity has only one, is used for realizing the automatic brake separating action under the control of control circuit and under the Long-distance Control.
The utility model content:
The purpose of this utility model provide a kind of rational in infrastructure, be quick on the draw, intelligent plastic casing break stable and reliable for performance.
The technical scheme that realizes the utility model purpose is: a kind of intelligent plastic casing break comprises plastic feet and the connector assembly, contact system, operating mechanism and the trip gear that are arranged on the base; Described contact system comprises three moving contacts and three fixed contacts; Described trip gear comprises three electromagnetic type overcurrent releases and a release lever assembly, and described each overcurrent release vertically is provided with and is positioned at the described fixed contact of a distance side far away of a corresponding moving contact; Described release lever assembly comprises that one is used to make release lever that described operating mechanism carries out the divide-shut brake action and one to provide the torsion spring of reseting elasticity for described release lever, and described release lever and plastic feet are rotationally connected; Described each overcurrent release comprises that an insulated tube that is provided with slide opening, one are set in coil on the described insulated tube, the moving iron core that can do up and down reciprocatingly to slide and one and are used to described moving iron core that the spring of reseting elasticity is provided in described insulated tube slide opening; Described spring is arranged in the described insulated tube slide opening, and is positioned at the below of described moving iron core; Described moving iron core drives described release lever and rotates in doing the process of up and down reciprocatingly sliding, thereby makes described operating mechanism carry out the divide-shut brake action.
In the technique scheme, this intelligent plastic casing break also comprises three overload releases, and described each overload release is the double-metal sheet type thermal overload release.
In the technique scheme, the current enter of coil is electrically connected with a corresponding moving contact by being flexible coupling in described each overcurrent release.
In the technique scheme, described each overcurrent release also comprises a conductive seat, and described conductive seat is electrically connected with a corresponding moving contact by being flexible coupling, and described conductive seat is electrically connected with the current enter of coil in the overcurrent release.
In the technique scheme, the insulated tube in described each overcurrent release, coil, moving iron core and spring all vertically are provided with.
The utlity model has following advantage:
(1) in the utility model, comprises three electromagnetic type overcurrent release and release lever assemblies that are vertically set on the base, each an electromagnetic type overcurrent release and a corresponding supporting use of moving contact; Because described electromagnetic type overcurrent release adopts the coil type magnetictrip, its compact conformation, reasonable, trigger action is swift in response, and is stable and reliable for performance,, can under overvoltage, overcurrent and undervoltage condition, in time thread off.
Description of drawings:
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the partial structurtes schematic diagram in the intelligent plastic casing break shown in Figure 1.
Mark shown in the accompanying drawing: plastic feet 1, connector assembly 2, contact system 3, moving contact 31, fixed contact 32, operating mechanism 4, trip gear 5, overcurrent release 51, insulated tube 511, slide opening 5111, coil 512, moving iron core 513, spring 514, conductive seat 515, release lever assembly 52, release lever 521, overload release 6.
Embodiment:
For making the technical solution of the utility model more clear, the utility model is described in further detail below in conjunction with Figure of description.
(embodiment 1)
Fig. 1 and Fig. 2 have shown a kind of embodiment of the present utility model, and wherein, Fig. 1 is a kind of structural representation of the present utility model; Fig. 2 is the partial structurtes schematic diagram in the intelligent plastic casing break shown in Figure 1.
Present embodiment is a kind of low-tension intelligent type breaker of plastic casing, comprises plastic feet 1 and the connector assembly 2, contact system 3, operating mechanism 4 and the trip gear 5 that are arranged on the base; Described contact system 3 comprises three moving contacts 31, three fixed contacts 32 and three overload releases 6; Described trip gear 5 comprises three electromagnetic type overcurrent releases 51 and a release lever assembly 52, and described each overcurrent release 51 vertically is provided with and is positioned at the described fixed contact of the distance of a corresponding moving contact 31 32 side far away; Described release lever assembly 52 comprises that one is used to make release lever 521 that described operating mechanism 4 carries out the divide-shut brake action and one to provide the torsion spring of reseting elasticity for described release lever 521, and described release lever 521 is rotationally connected with plastic feet 1.
Described each overcurrent release 51 comprise an insulated tube that is provided with slide opening 5,111 511, one be set in coil 512 on the described insulated tube 511, the moving iron core that can in described insulated tube 511 slide openings 5111, do up and down reciprocatingly to slide 513, one be used to described moving iron core 513 that spring 514 and a conductive seat 515 of reseting elasticity are provided; Described spring 514 is arranged in described insulated tube 511 slide openings 5111, and is positioned at the below of described moving iron core 513; Insulated tube 511 in described each overcurrent release 51, coil 512, moving iron core 513 and spring 514 all vertically are provided with.Described conductive seat 515 is electrically connected with a corresponding moving contact 31 by being flexible coupling, and described conductive seat 515 is electrically connected with the current enter of coil 512 in the overcurrent release 51.
Described moving iron core 513 drives described release lever 521 and rotates, thereby make described operating mechanism 4 carry out the divide-shut brake action in doing the process of up and down reciprocatingly sliding.Described each overload release 6 is double-metal sheet type thermal overload releases.
The current enter of coil 512 is electrically connected with a corresponding moving contact 31 by being flexible coupling in described each overcurrent release 51.
Present embodiment comprises three electromagnetic type overcurrent release and release lever assemblies of being vertically set on the base, each an electromagnetic type overcurrent release and a corresponding supporting use of moving contact; Because described electromagnetic type overcurrent release adopts the coil type magnetictrip, its compact conformation, reasonable, trigger action is swift in response, and is stable and reliable for performance, can in time thread off under overvoltage, overcurrent and undervoltage condition.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any substantial restriction of in form laughing a great ho-ho, all those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when can utilizing the above technology contents that discloses, and a little change of making, modify the equivalent variations with differentiation, be equivalent embodiment of the present utility model; Simultaneously, all foundations essence technology of the present utility model all still belongs in the scope of the technical solution of the utility model change, modification and the differentiation of any equivalent variations that above embodiment did.
Claims (5)
1. intelligent plastic casing break comprises plastic feet (1) and is arranged on connector assembly (2), contact system (3), operating mechanism (4) and trip gear (5) on the base; Described contact system (3) comprises three moving contacts (31) and three fixed contacts (32); It is characterized in that: described trip gear (5) comprises three electromagnetic type overcurrent releases (51) and a release lever assembly (52), the vertical described fixed contact of distance (32) side far away that is provided with and is positioned at a corresponding moving contact (31) of described each overcurrent release (51); Described release lever assembly (52) comprises that one is used to make release lever (521) that described operating mechanism (4) carries out the divide-shut brake action and one to provide the torsion spring of reseting elasticity for described release lever (521), and described release lever (521) and plastic feet (1) are rotationally connected;
Described each overcurrent release (51) comprises that an insulated tube (511) that is provided with slide opening (5111), one are set in coil (512) on the described insulated tube (511), one and can make moving iron core (513) and spring (514) that is used to described moving iron core (513) that reseting elasticity is provided that up and down reciprocatingly slides in described insulated tube (511) slide opening (5111); Described spring (514) is arranged in described insulated tube (511) slide opening (5111), and is positioned at the below of described moving iron core (513);
Described moving iron core (513) drives described release lever (521) and rotates in doing the process of up and down reciprocatingly sliding, thereby makes described operating mechanism (4) carry out the divide-shut brake action.
2. intelligent plastic casing break according to claim 1 is characterized in that: this intelligent plastic casing break also comprises three overload releases (6), and described each overload release (6) is the double-metal sheet type thermal overload release.
3. intelligent plastic casing break according to claim 2 is characterized in that: the current enter of coil (512) is electrically connected with a corresponding moving contact (31) by being flexible coupling in described each overcurrent release (51).
4. intelligent plastic casing break according to claim 3, it is characterized in that: described each overcurrent release (51) also comprises a conductive seat (515), described conductive seat (515) is electrically connected with a corresponding moving contact (31) by being flexible coupling, and described conductive seat (515) is electrically connected with the current enter of coil (512) in the overcurrent release (51).
5. intelligent plastic casing break according to claim 4 is characterized in that: the insulated tube (511) in described each overcurrent release (51), coil (512), moving iron core (513) and spring (514) all vertically are provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201621954U CN201478229U (en) | 2009-07-02 | 2009-07-02 | Intelligent breaker with plastic shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201621954U CN201478229U (en) | 2009-07-02 | 2009-07-02 | Intelligent breaker with plastic shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201478229U true CN201478229U (en) | 2010-05-19 |
Family
ID=42414489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201621954U Expired - Fee Related CN201478229U (en) | 2009-07-02 | 2009-07-02 | Intelligent breaker with plastic shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201478229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044389A (en) * | 2010-12-24 | 2011-05-04 | 环宇集团有限公司 | Plastic-shell circuit breaker with switching-off and switching-on indicating mechanism |
-
2009
- 2009-07-02 CN CN2009201621954U patent/CN201478229U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044389A (en) * | 2010-12-24 | 2011-05-04 | 环宇集团有限公司 | Plastic-shell circuit breaker with switching-off and switching-on indicating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20140702 |
|
| EXPY | Termination of patent right or utility model |