CN105869960B - A kind of Thermomagnetic type breaker of plastic casing overload signal output device - Google Patents
A kind of Thermomagnetic type breaker of plastic casing overload signal output device Download PDFInfo
- Publication number
- CN105869960B CN105869960B CN201610388773.0A CN201610388773A CN105869960B CN 105869960 B CN105869960 B CN 105869960B CN 201610388773 A CN201610388773 A CN 201610388773A CN 105869960 B CN105869960 B CN 105869960B
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- CN
- China
- Prior art keywords
- bimetal leaf
- draw bar
- microswitch
- plate
- overload signal
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- 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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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
- H01H71/04—Means for indicating condition of the switching device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1054—Means for avoiding unauthorised release
-
- 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
- H01H71/04—Means for indicating condition of the switching device
- H01H2071/042—Means for indicating condition of the switching device with different indications for different conditions, e.g. contact position, overload, short circuit or earth leakage
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Breakers (AREA)
Abstract
The invention discloses a kind of Thermomagnetic type breaker of plastic casing overload signal output devices, it includes mounting rack, microswitch, draw bar and bimetal leaf, wherein, the microswitch is installed on the mounting rack, the draw bar includes pressing position and interconnecting piece, and the bimetal leaf is connected by interconnecting piece with the draw bar, when current overload, the bimetal leaf bending drives the position that presses of draw bar to touch microswitch, and the microswitch issues overload signal.When circuit breaker current is overloaded, bimetal leaf bending drives draw bar to press microswitch, breaker is made to issue overload signal above-mentioned Thermomagnetic type breaker of plastic casing overload signal output device.It is not only simple in structure, it is ingenious in design, it is small in size；And entire actuating mechanism stabilization reliable for operation.
Description
Technical field
The present invention relates to a kind of Thermomagnetic type breaker of plastic casing, more particularly, to a kind of Thermomagnetic type breaker of plastic casing overload signal
Output device.
Background technique
Currently, most breakers has overload, short circuit, earth leakage protective function in the market.But matched according to low pressure
Electric design specification, when for being powered off suddenly than losing bigger caused by overload, the overload protection of breaker should act on signal and
It does not act on and cuts off the power.Therefore, a breaker with overload alarm signal is needed in the market, in the feelings of circuit overload
Under condition, output overloading signal.
Summary of the invention
The purpose of the present invention is to provide a kind of Thermomagnetic type breaker of plastic casing overload signal output devices, in circuit breaker electric
Flowing through load is to issue overload signal, has the characteristics that structure is simple, small in size and reliable for operation stable, to solve in the prior art
The above problem existing for Thermomagnetic type breaker of plastic casing.
For this purpose, the present invention uses following technical scheme：
A kind of Thermomagnetic type breaker of plastic casing overload signal output device comprising mounting rack, microswitch, draw bar and double
Sheet metal, wherein the microswitch is installed on the mounting rack, and the draw bar includes pressing position and interconnecting piece, institute
It states bimetal leaf and is connected by interconnecting piece with the draw bar, when current overload, the bimetal leaf bending drives draw bar
The position that presses touch microswitch, the microswitch issues overload signal.
Particularly, the draw bar is integrally in " Z " font structure, one end be as the plate that presses for pressing position, it is another
End is the connecting plate as interconnecting piece, and the bimetal leaf is connected on the connecting plate by connection component.
Particularly, the connection component includes adjusting screw and locking nut, offers U-typed at the top of the connecting plate
Open slot, offer a circle groove on the adjusting screw, the adjusting screw is assemblied in the opening by the groove
In slot, cooperates and offer threaded hole on bimetal leaf described in the adjusting screw, the locking nut is assemblied in the adjusting spiral shell
The inside of the bimetal leaf is nailed on and is closely attached on, the tail end for adjusting screw is tightened against in the threaded hole.
Particularly, the two sides of the connecting plate are corresponding extends there are two guide plate, cooperates the guide plate in double gold
The two sides for belonging to piece, which correspond to, to be opened up there are two guide groove, and the bimetal leaf drives draw bar to move along guide plate after being bent.
Particularly, the guide plate includes superposed vertical plate, and inside inclination is extended with below the vertical plate
Oblique inclined plate, the guide groove are " V " type groove of the cooperation inclined plate gradient setting.
Beneficial effects of the present invention are, compared with prior art the Thermomagnetic type breaker of plastic casing overload signal output device
When circuit breaker current overload, bimetal leaf bending drives draw bar to press microswitch, breaker is made to issue overload signal,
And the time that draw bar presses microswitch can be modified by locking nut.It is not only simple in structure, ingenious in design, volume
It is small；And entire actuating mechanism stabilization reliable for operation.
Detailed description of the invention
Fig. 1 is the explosion for the Thermomagnetic type breaker of plastic casing overload signal output device that the specific embodiment of the invention 1 provides
Figure；
Fig. 2 is the assembly for the Thermomagnetic type breaker of plastic casing overload signal output device that the specific embodiment of the invention 1 provides
Figure.
In figure：
1, mounting rack；10, positioning column；2, microswitch；20, pilot hole；3, draw bar；30, plate is pressed；31, connecting plate；
32, open slot；33, guide plate；34, vertical plate；35, inclined plate；4, bimetal leaf；40, threaded hole；41, guide groove；5, spiral shell is adjusted
Nail；50, groove；6, locking nut.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
It please refers to shown in Fig. 1 and Fig. 2, in the present embodiment, a kind of Thermomagnetic type breaker of plastic casing overload signal output device packet
Mounting rack 1, microswitch 2, draw bar 3 and bimetal leaf 4 are included, the microswitch 2 is fixedly installed on the mounting rack 1,
It is in " Z " font structure that the draw bar 3 is whole, and one end is to press plate 30 as press position, and the other end is as connection
The connecting plate 31 in portion, the plate 30 that presses are maintained on setting position so that driven when draw bar 3 is mobile press plate 30 touch it is micro-
Dynamic switch 2, makes microswitch 2 issue overload signal.The bimetal leaf 4 is connected to the connecting plate 31 by connection component
On.
The connection component includes that adjusting screw 5 and locking nut 6, the top of the connecting plate 31 offer U-typed
Open slot 32, a circle groove 50 is offered on the adjusting screw 5, and the adjusting screw 5 is assemblied in institute by the groove 50
It states in open slot 32, cooperates and offer threaded hole 40 on bimetal leaf 4 described in the adjusting screw 5, the locking nut 6 assembles
In the inside adjusted on screw 5 and be closely attached on the bimetal leaf 4, the tail end for adjusting screw 5 is tightened against the spiral shell
In pit 40, bimetal leaf 4 is connect with the draw bar 3, the position on screw 5 is being adjusted by adjusting lock nut 6
The time that draw bar 3 presses microswitch 2 can be modified.
The two sides of the connecting plate 31 are corresponding to be extended there are two guide plate 33, and the guide plate 33 is located at the open slot 32
Lower section, and the guide plate 33 include superposed vertical plate 34, the lower section of the vertical plate 34 is extended with inside inclination
Oblique inclined plate 35, cooperating the guide plate 33 to open up in the two sides of the bimetal leaf 4 correspondence, there are two guide grooves 41, described to lead
It is " V " type groove that cooperation 35 gradient of inclined plate is arranged to slot 41.
There are two pilot holes 20 for setting on the microswitch 2, cooperate in described two pilot holes 20 and the mounting rack 1
Two positioning columns 10 are provided with, the microswitch 2 is by being fixed installation in 10 plugging in fitting hole 20 of positioning column.
When circuit breaker current overload, bimetal leaf 4 is bent, and draw bar 3 is driven to move along guide groove 41, i.e., along Fig. 1 and
K axis in Fig. 2 is mobile, and the plate 30 that presses of draw bar 3 touches microswitch, and breaker is made to issue overload signal.
The above embodiments only describe the basic principles and characteristics of the invention, and the invention is not restricted by the above cases,
Without departing from the spirit and scope, the invention also has various changes and changes, and these changes and changes are both fallen within
In scope of the claimed invention.The scope of the present invention is defined by the appended claims and its equivalents.
Claims (1)
1. a kind of Thermomagnetic type breaker of plastic casing overload signal output device comprising mounting rack, microswitch, draw bar and double gold
Belong to piece, which is characterized in that the microswitch is installed on the mounting rack, and the draw bar includes pressing position and connection
Portion, the bimetal leaf are connected by interconnecting piece with the draw bar, and when current overload, the bimetal leaf bending, which drives, is led
Microswitch is touched at the position that presses for drawing bar, and the microswitch issues overload signal；
The draw bar is integrally in " Z " font structure, and one end is as the plate that presses for pressing position, and the other end is as connection
The connecting plate in portion, the bimetal leaf are connected on the connecting plate by connection component；
The connection component includes adjusting screw and locking nut, and the open slot of U-typed, institute are offered at the top of the connecting plate
It states to adjust and offers a circle groove on screw, the adjusting screw is assemblied in the open slot by the groove, cooperates institute
It states to adjust and offers threaded hole on bimetal leaf described in screw, the locking nut is assemblied on the adjusting screw and is closely attached on
The inside of the bimetal leaf, the tail end for adjusting screw are tightened against in the threaded hole；
There are two guide plates for the corresponding extension in the two sides of the connecting plate, cooperate the guide plate in the two sides pair of the bimetal leaf
It should open up there are two guide groove, the bimetal leaf drives draw bar to move along guide plate after being bent；
The guide plate includes superposed vertical plate, and inclined inclined plate inwardly, institute are extended with below the vertical plate
State " V " type groove that guide groove is the cooperation inclined plate gradient setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610388773.0A CN105869960B (en) | 2016-06-02 | 2016-06-02 | A kind of Thermomagnetic type breaker of plastic casing overload signal output device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610388773.0A CN105869960B (en) | 2016-06-02 | 2016-06-02 | A kind of Thermomagnetic type breaker of plastic casing overload signal output device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105869960A CN105869960A (en) | 2016-08-17 |
| CN105869960B true CN105869960B (en) | 2018-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610388773.0A Active CN105869960B (en) | 2016-06-02 | 2016-06-02 | A kind of Thermomagnetic type breaker of plastic casing overload signal output device |
Country Status (1)
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| CN (1) | CN105869960B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257826B (en) * | 2018-02-05 | 2020-02-18 | 德力西电气有限公司 | Moulded case circuit breaker with overload alarming function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2237302A1 (en) * | 2009-03-31 | 2010-10-06 | Schneider Electric Industries SAS | Thermal trip device for electrical protection device |
| CN204088234U (en) * | 2014-09-09 | 2015-01-07 | 杭州之江开关股份有限公司 | A kind of under voltage reclosing signal output apparatus |
| CN204230175U (en) * | 2014-11-19 | 2015-03-25 | 江苏凯隆电器有限公司 | There is the breaker of plastic casing of a thermal overload alarm non-tripping function |
| CN204497171U (en) * | 2015-02-13 | 2015-07-22 | 上海良信电器股份有限公司 | Breaker of plastic casing overload-alarm non-tripping device |
| CN204857614U (en) * | 2015-08-24 | 2015-12-09 | 常熟开关制造有限公司(原常熟开关厂） | Moulded case circuit breaker with heat overload alarming function |
| CN205680637U (en) * | 2016-06-02 | 2016-11-09 | 无锡新宏泰电器科技股份有限公司 | A kind of Thermomagnetic type breaker of plastic casing overload signal output device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202268313U (en) * | 2011-09-17 | 2012-06-06 | 浙江电器开关有限公司 | Delayed-alarming and non-tripping molded case circuit breaker used for fire protection |
-
2016
- 2016-06-02 CN CN201610388773.0A patent/CN105869960B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2237302A1 (en) * | 2009-03-31 | 2010-10-06 | Schneider Electric Industries SAS | Thermal trip device for electrical protection device |
| CN204088234U (en) * | 2014-09-09 | 2015-01-07 | 杭州之江开关股份有限公司 | A kind of under voltage reclosing signal output apparatus |
| CN204230175U (en) * | 2014-11-19 | 2015-03-25 | 江苏凯隆电器有限公司 | There is the breaker of plastic casing of a thermal overload alarm non-tripping function |
| CN204497171U (en) * | 2015-02-13 | 2015-07-22 | 上海良信电器股份有限公司 | Breaker of plastic casing overload-alarm non-tripping device |
| CN204857614U (en) * | 2015-08-24 | 2015-12-09 | 常熟开关制造有限公司(原常熟开关厂） | Moulded case circuit breaker with heat overload alarming function |
| CN205680637U (en) * | 2016-06-02 | 2016-11-09 | 无锡新宏泰电器科技股份有限公司 | A kind of Thermomagnetic type breaker of plastic casing overload signal output device |
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| Publication number | Publication date |
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| CN105869960A (en) | 2016-08-17 |
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