CN101944458A - Alarming contact device of moulded case circuit breaker - Google Patents
Alarming contact device of moulded case circuit breaker Download PDFInfo
- Publication number
- CN101944458A CN101944458A CN2010102584894A CN201010258489A CN101944458A CN 101944458 A CN101944458 A CN 101944458A CN 2010102584894 A CN2010102584894 A CN 2010102584894A CN 201010258489 A CN201010258489 A CN 201010258489A CN 101944458 A CN101944458 A CN 101944458A
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- sensitive switch
- pedestal
- push rod
- contact device
- breaker
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Abstract
The invention relates to an alarming contact device of a moulded case circuit breaker. The alarming contact device consists of a base, a rear cover, a push rod, a microswitch and a microswitch toggle plate, wherein the base and rear cover are used for installing and fixing the push rod, microswitch and microswitch toggle plate in the base which is provided with positioning pins for positioning and installing the microswitch and push rod by molding; and based on the principle of lever, the push rod is pushed by enlarging the release force of a circuit breaker mechanism to push the push rod to pry the microswitch toggle plate by using a lower release force with no additional influence on the release force of the circuit breaker body. The alarming contact device has the advantages of adopting modular design, improving interchangeability and universality, along with simple and convenient installation, no influences on the assembly of other accessories after installation in the accessory camber of the circuit break due to the total thickness of 9.5mm only, simple assembly, convenient installation and uninstallation, stable performance and high reliability.
Description
Technical field
The invention belongs to the equipment for power transmission and distribution industry, relate to the alarm actuating contact device of a kind of breaker of plastic casing in the low-tension switch cabinet components and parts.
Background technology
Along with the development of circuit breaker technology, the contents part of circuit breaker comprises that release, auxiliary contact, alarm actuating contact etc. adopt modular design, and adopting modular advantage is can be according to requirement of client, the installation of arranging in pairs or groups flexibly, replacing.Existing alarm actuating contact is to be fixedly mounted on circuit breaker inside, does not possess the function that modularization is installed, and volume is bigger, and changing to install needs the specialized maintenance personnel to operate, and inconvenience is installed, and can not satisfy miniaturization, modularization, the unitized requirement of circuit breaker.
Summary of the invention
Technical problem to be solved by this invention is, a kind of alarm actuating contact device of breaker of plastic casing is provided, and can reflect the trip status of breaker of plastic casing at a distance, carry out actuation of an alarm during dropout, control external subsidiary loop, and volume is little, easy for installation, with low cost, the reliability height.
The technical scheme that solves its technical problem employing is: the alarm actuating contact device that designs a kind of low-pressure plastic shell circuit breaker, dialling plate by pedestal, bonnet, push rod, sensitive switch and sensitive switch forms, pedestal, bonnet are dialled plate with push rod, sensitive switch and sensitive switch and are mounted in the pedestal, are injected with alignment pin on the pedestal and are used for location and installation sensitive switch and push rod; The sensitive switch driving lever is assemblied in the Action Button below of sensitive switch, and an end is fixed on the sensitive switch, and the other end can freely move up and down; Push rod integral body is inverted v-shaped, operation is convenient in the long pedestal outside of stretching out of one end, one end is shorter, in pedestal, be positioned at below the sensitive switch driving lever free end, be used for promoting push rod after utilizing lever principle that the breaker mechanism tripping force is amplified, make very little tripping force just can promote push rod and prize sensitive switch and dial plate, cause extra influence can not for the tripping force of breaker body, the Action Button of dialling plate shake-up sensitive switch by sensitive switch reaches the function of alarm actuating contact.
Sensitive switch top is provided with binding post, is separated by the flash barrier that is injection-moulded on the pedestal, guarantees that the creepage distance that accurately reaches between the binding post of sensitive switch position is safe and reliable; Alignment pin one end of pedestal exposes the location hole of sensitive switch and push rod, is provided with location hole on the bonnet equally, and the exposed junction of alignment pin just in time inserts in the location hole on the bonnet; Bayonet socket is arranged on the pedestal, draw-in groove is arranged on the bonnet, the bayonet socket place that the draw-in groove during assembling on the bonnet is aimed on the pedestal inserts, the tight interlock of draw-in groove and bayonet socket, and the bayonet socket surface is a slope shape, is convenient to draw-in groove and easily inserts bayonet socket; Pedestal is provided with wing shape elastic bayonet lock, and pedestal is connected with breaker mechanism cavity position by wing shape elastic bayonet lock, adopts plug-in installation, does not need to aid in screw and other aids, and assembling process is simple and reliable.
When circuit breaker is in when not threading off the position, release member does not contact with the long end of push rod, sensitive switch is dialled plate and is not stressed, the sensitive switch Action Button is in the ejection state, the normal battle of sensitive switch and normally closed point do not have conversion, when circuit breaker is in the dropout position, the longer end in contact of breaker body release member and push rod, promote push rod and make the push rod upset, the short end of push rod upwards prizes sensitive switch and dials plate, sensitive switch is dialled plate compression sensitive switch Action Button part, and the normal battle of sensitive switch and normally closed point are changed, and sends alarm signal or controls external loop by binding post.
The alarm actuating contact device of low-pressure plastic shell circuit breaker of the present invention is carried out modularized design, has improved interchangeability, the versatility of product, installs simple and conveniently, and cell material is callable injection moulding material, and cost is lower, and production efficiency improves greatly.This device volume is little, and gross thickness is 9.5mm only, does not influence the assembling of other annexes behind the circuit breaker accessory cavity of packing into, and assembling is simple, and installation and removal are convenient, stable performance, reliability height.
Description of drawings
Fig. 1 is a whole perspective view of the present invention.
Fig. 2 is a planar structure schematic diagram of the present invention.
Fig. 3 is a three-dimensional assembling schematic diagram of the present invention.
Among the figure: 1, pedestal 2, bonnet 3, push rod 4, sensitive switch 5, sensitive switch are dialled plate 6, alignment pin 10, draw-in groove 11, bayonet socket 12, binding post 13, flash barrier 14, elastic bayonet lock
Embodiment
As shown in the figure, the alarm actuating contact device of low-pressure plastic shell circuit breaker of the present invention, dialling plate (5) by pedestal (1), bonnet (2), push rod (3), sensitive switch (4) and sensitive switch forms, pedestal (1), bonnet (2) are dialled plate (5) with push rod (3), sensitive switch (4) and sensitive switch and are mounted in the pedestal (1), are injected with alignment pin (6) on the pedestal (1) and are used for location and installation sensitive switch (4) and push rod (3); Sensitive switch driving lever (5) is assemblied in the Action Button below of sensitive switch (4), and an end is fixed on the sensitive switch (4), and the other end can freely move up and down; Push rod (3) integral body is inverted v-shaped, operation is convenient in long pedestal (1) outside of stretching out of one end, one end is shorter, in pedestal (1), be positioned at sensitive switch driving lever (5) free end below, be used for promoting push rod (3) after utilizing lever principle that the breaker mechanism tripping force is amplified, making very little tripping force just can promote push rod (3) prizes sensitive switch and dials plate (5), cause extra influence can not for the tripping force of breaker body, dial the function that Action Button that plate (5) touches sensitive switch (4) reaches alarm actuating contact by sensitive switch.
Sensitive switch (4) top is provided with binding post (12), is separated by the flash barrier (13) that is injection-moulded on the pedestal (1), guarantees that the creepage distance that accurately reaches between the binding post of sensitive switch (4) position is safe and reliable; Alignment pin (6) one ends of pedestal (1) expose the location hole of sensitive switch (4) and push rod (3), and bonnet is provided with location hole on (2) equally, and the exposed junction of alignment pin (6) just in time inserts in the location hole on the bonnet (2); Bayonet socket (11) is arranged on the pedestal (1), draw-in groove (10) is arranged on the bonnet (2), the bayonet socket (11) that draw-in groove (10) on bonnet during assembling (2) is aimed on the pedestal (1) is located to insert, draw-in groove (10) and closely interlock of bayonet socket (11), bayonet socket (11) surface is a slope shape, is convenient to draw-in groove (10) and easily inserts bayonet socket (11); Pedestal (1) is provided with wing shape elastic bayonet lock (14), and pedestal (1) is connected with breaker mechanism cavity position by wing shape elastic bayonet lock (14), adopts plug-in installation, does not need to aid in screw and other aids, and assembling process is simple and reliable.
When circuit breaker is in when not threading off the position, release member does not contact with the long end of push rod (3), sensitive switch is dialled plate (5) and is not stressed, sensitive switch (4) Action Button is in the ejection state, the normal battle of sensitive switch (4) and normally closed point do not have conversion, when circuit breaker is in the dropout position, the longer end in contact of breaker body release member and push rod (3), promote push rod (3) and make push rod (3) upset, the short end of push rod (3) upwards prizes sensitive switch and dials plate (5), sensitive switch is dialled plate (5) compression sensitive switch (4) Action Button part, the normal battle and the normally closed point of sensitive switch (4) are changed, sent alarm signal or control external loop by binding post (12).
Claims (5)
1. the alarm actuating contact device of a breaker of plastic casing, dialling plate (5) by pedestal (1), bonnet (2), push rod (3), sensitive switch (4) and sensitive switch forms, pedestal (1), bonnet (2) are dialled plate (5) with push rod (3), sensitive switch (4) and sensitive switch and are mounted in the pedestal (1), are injected with alignment pin (6) on the pedestal (1) and are used for location and installation sensitive switch (4) and push rod (3); Sensitive switch driving lever (5) is assemblied in the Action Button below of sensitive switch (4), and an end is fixed on the sensitive switch (4), and the other end can freely move up and down; Push rod (3) integral body is inverted v-shaped, long pedestal (1) outside of stretching out of an end, and an end is shorter, is positioned at sensitive switch driving lever (5) free end below in pedestal (1).
2. the alarm actuating contact device of breaker of plastic casing according to claim 1, it is characterized in that: described sensitive switch (4) top is provided with binding post (12), and pedestal (1) is provided with flash barrier (13), and binding post (12) is separated by flash barrier (13).
3. the alarm actuating contact device of breaker of plastic casing according to claim 1, it is characterized in that: alignment pin (6) one ends of described pedestal (1) expose the location hole of sensitive switch (4) and push rod (3), bonnet is provided with location hole on (2) equally, and the exposed junction of alignment pin (6) just in time inserts in the location hole on the bonnet (2).
4. the alarm actuating contact device of breaker of plastic casing according to claim 1 is characterized in that: bayonet socket (11) arranged on the described pedestal (1), draw-in groove (10) arranged on the bonnet (2), and draw-in groove (10) and closely interlock of bayonet socket (11), bayonet socket (11) surface is a slope shape.
5. the alarm actuating contact device of breaker of plastic casing according to claim 1, it is characterized in that: described pedestal (1) is provided with wing shape elastic bayonet lock (14), and pedestal (1) is connected with breaker mechanism cavity position by wing shape elastic bayonet lock (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102584894A CN101944458A (en) | 2010-08-20 | 2010-08-20 | Alarming contact device of moulded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102584894A CN101944458A (en) | 2010-08-20 | 2010-08-20 | Alarming contact device of moulded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101944458A true CN101944458A (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102584894A Pending CN101944458A (en) | 2010-08-20 | 2010-08-20 | Alarming contact device of moulded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101944458A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194582A (en) * | 2011-03-25 | 2011-09-21 | 许晓华 | Improved micro switch fixing structure for electric push rod |
| CN102194583A (en) * | 2011-03-25 | 2011-09-21 | 许晓华 | Travel switch fixed plate improved structure |
| CN105206455A (en) * | 2015-08-13 | 2015-12-30 | 中国航空工业集团公司西安飞机设计研究所 | Combined type microswitch mechanism |
| CN108257826A (en) * | 2018-02-05 | 2018-07-06 | 德力西电气有限公司 | It is a kind of that there is the breaker of plastic casing of overload-alarm |
| WO2018214908A1 (en) * | 2017-05-26 | 2018-11-29 | 青岛海尔洗衣机有限公司 | Novel microswitch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201084656Y (en) * | 2007-08-10 | 2008-07-09 | 上海电器股份有限公司人民电器厂 | An auxiliary alarm switch used in double-break plastic-housing breakers |
| CN201112295Y (en) * | 2007-08-10 | 2008-09-10 | 常熟开关制造有限公司(原常熟开关厂） | Auxiliary alarming contact for low pressure breaker |
| CN101436493A (en) * | 2008-12-05 | 2009-05-20 | 常熟开关制造有限公司(原常熟开关厂） | Auxiliary switch for circuit breaker |
| CN201449939U (en) * | 2009-04-28 | 2010-05-05 | 珠海格力电器股份有限公司 | Energy-saving switch and electric cooker cover with same |
| CN201859816U (en) * | 2010-08-20 | 2011-06-08 | 江苏西门控电器有限公司 | Warning contact device of molded case circuit breaker |
-
2010
- 2010-08-20 CN CN2010102584894A patent/CN101944458A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201084656Y (en) * | 2007-08-10 | 2008-07-09 | 上海电器股份有限公司人民电器厂 | An auxiliary alarm switch used in double-break plastic-housing breakers |
| CN201112295Y (en) * | 2007-08-10 | 2008-09-10 | 常熟开关制造有限公司(原常熟开关厂） | Auxiliary alarming contact for low pressure breaker |
| CN101436493A (en) * | 2008-12-05 | 2009-05-20 | 常熟开关制造有限公司(原常熟开关厂） | Auxiliary switch for circuit breaker |
| CN201449939U (en) * | 2009-04-28 | 2010-05-05 | 珠海格力电器股份有限公司 | Energy-saving switch and electric cooker cover with same |
| CN201859816U (en) * | 2010-08-20 | 2011-06-08 | 江苏西门控电器有限公司 | Warning contact device of molded case circuit breaker |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194582A (en) * | 2011-03-25 | 2011-09-21 | 许晓华 | Improved micro switch fixing structure for electric push rod |
| CN102194583A (en) * | 2011-03-25 | 2011-09-21 | 许晓华 | Travel switch fixed plate improved structure |
| CN102194582B (en) * | 2011-03-25 | 2013-06-05 | 许晓华 | Improved micro switch fixing structure for electric push rod |
| CN105206455A (en) * | 2015-08-13 | 2015-12-30 | 中国航空工业集团公司西安飞机设计研究所 | Combined type microswitch mechanism |
| CN105206455B (en) * | 2015-08-13 | 2018-03-02 | 中国航空工业集团公司西安飞机设计研究所 | A kind of combined type micro switch mechanism |
| WO2018214908A1 (en) * | 2017-05-26 | 2018-11-29 | 青岛海尔洗衣机有限公司 | Novel microswitch |
| CN108257826A (en) * | 2018-02-05 | 2018-07-06 | 德力西电气有限公司 | It is a kind of that there is the breaker of plastic casing of overload-alarm |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110112 |