CN106898529A - A kind of contact Direct Action Type breaker of plastic casing - Google Patents
A kind of contact Direct Action Type breaker of plastic casing Download PDFInfo
- Publication number
- CN106898529A CN106898529A CN201510975876.2A CN201510975876A CN106898529A CN 106898529 A CN106898529 A CN 106898529A CN 201510975876 A CN201510975876 A CN 201510975876A CN 106898529 A CN106898529 A CN 106898529A
- Authority
- CN
- China
- Prior art keywords
- moving contact
- contact
- tripping mechanism
- handle
- plastic casing
- 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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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/04—Contacts
-
- 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
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The present invention provides a kind of contact Direct Action Type breaker of plastic casing, input terminal including housing and in the housing, lead-out terminal, static contact, moving contact, magnetic tripping mechanism and thermal tripping mechanism etc., the static contact is connected with the input terminal, the handle is connected with moving contact drive mechanism, the moving contact is connected with the moving contact drive mechanism, and by the magnetic tripping mechanism, thermal tripping mechanism is connected with lead-out terminal, the magnetic tripping mechanism and thermal tripping mechanism are used cooperatively with the moving contact drive mechanism, it is characterized in that the moving contact drive mechanism is provided with slideway, the moving contact can be moved along the slideway of straight line, the static contact is located on the extended line of the slideway.Beneficial effects of the present invention are：Moving contact is changed into the mode of linear motion from the motion mode of rotary oscillation, and moving contact attacks the electric arc direct motion for causing to produce directly in the direction of blow-out piece, can greatly improve arc extinguishing efficiency, improves the breaking capacity of switch.
Description
Technical field
The invention belongs to electric switch technical field, more particularly to a kind of contact Direct Action Type breaker of plastic casing.
Background technology
The track installation formula electric switch and its component for originating from Europe have standardization very high and degree of miniaturization, it is partly 45 millimeters high of standard to be exposed at the manipulation outside switch-box, the thickness of component is designed to 9 millimeters of multiple, and such standard scheme is conducive to the independent assortment of electric utility large-scale industrial production and switch box-frame assembled.Development of the air-break in terms of standardization, miniaturization is especially prominent.For current limliting, short circuit, electric leakage, phase shortage, the safeguard protection such as under-voltage, breaker is essential electrical equipment, the Europe superscript air-break of various styles, in large quantities the production into people and various fields of recent life.The common ground of these breakers is that switch movable contact uses the opening and closing of swing type, contact to be completed by the moving contact of rotary oscillation.Because handle is located at 45 millimeters of operating platform, almost all of such breaker can only by the on-off action direction of contact perpendicular to blow-out piece arrangement.When contact produce electric arc when, then set lead arc device by electric arc be rotated by 90 ° introducing expulsion element, such structure be unfavorable for extinguish electric arc.
Additionally, 45 millimeters of miniature circuit breakers of Europe superscript multipole, general all using multiple single-pole circuit breaker assembling combination structures, operation handle facilitates each pole to be combined of synchronous manipulation to switch in the joining beam of outside additional serial.Shortcoming is the increase in the counterweight of handle outer, when particularly these combination circuit breakers are used on machinery equipment, train, due to the effect vibrated, increases the risk of handle breaking without reason.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of contact Direct Action Type breaker of plastic casing, input terminal including housing and in the housing, lead-out terminal, static contact, moving contact, blow-out grid, handle, moving contact drive mechanism, magnetic tripping mechanism and thermal tripping mechanism, the static contact is connected with the input terminal, the handle is connected with moving contact drive mechanism, the moving contact is connected with the moving contact drive mechanism, and by the magnetic tripping mechanism, thermal tripping mechanism is connected with lead-out terminal, the magnetic tripping mechanism and thermal tripping mechanism are used cooperatively with the moving contact drive mechanism, it is characterized in that the moving contact drive mechanism is provided with slideway, the moving contact can be moved along the slideway of straight line, the static contact is located on the extended line of the slideway.
The moving contact drive mechanism includes mechanism's spring, actuating arm, dropout lever, swing rod, sliding block and moving contact stage clip, the actuating arm is connected by U type connecting rod with the handle, the actuating arm is installed on the swing rod by rotating shaft, the swing rod is connected with mechanism's spring and sliding block, the moving contact stage clip is located in the sliding block, and be connected with the moving contact, the moving contact is located in the sliding block, the sliding ledge cover is outside the sliding block, the dropout lever, swing rod is connected by a rotating shaft with the housing, the dropout lever and the actuating arm, contact point is respectively equipped between magnetic tripping mechanism and thermal tripping mechanism.
Energy storage pull bar is provided with the housing, described energy storage pull bar one end is provided with gib head, and the gib head is located in the fan-shaped annular groove at the arm pivot post back side, and another terminal block of the energy storage pull bar is on the slideway of the moving contact.
Non-circular hole is provided with the spindle central of the handle.
When breaker of plastic casing the two poles of the earth, three poles or quadrupole link, not rounded drive rod is provided with the non-circular hole, the not rounded drive rod runs through all non-circular holes, and only one or two described handle is provided with hadle.
The housing is provided with trade mark buckle closure, and the trade mark buckle closure is located at the top of the handle.
Beneficial effects of the present invention are：Moving contact is changed into the mode of linear motion from the motion mode of rotary oscillation, and moving contact attacks the electric arc direct motion for causing to produce directly in the direction of blow-out piece, can greatly improve arc extinguishing efficiency, improves the breaking capacity of switch.
Non-circular hole is set at the spindle central of handle, when multipole links, install not rounded drive rod additional in non-circular hole, no matter monopole, bipolar, three poles, even arrive four-electrode pattern breaker, only need a wherein pole that hadle is set, other each poles use concealed without hadle structure, and its linkage function is completed by going here and there in the not rounded drive rod of every pole switch knob central part, eliminates the gangbar of handle outer.
Brief description of the drawings
Fig. 1 is conducting state structural representation of the invention；
Fig. 2 is off-state structural representation of the invention；
Fig. 3 is the structure schematic diagram of conducting state of the invention；
Fig. 4 is the structure schematic diagram of off-state of the invention；
Fig. 5 is three pole of the invention linkage constitutional diagram；
Fig. 6 is three pole of the invention linkage broken away view；
Fig. 7 is quadrupole of the invention linkage constitutional diagram；
Fig. 8 is quadrupole of the invention linkage broken away view.
Specific embodiment
The present invention is described in more detail below with reference to accompanying drawings, which show the preferred embodiments of the present invention, it should be appreciated that those skilled in the art can change invention described herein and still realize advantageous effects of the invention.Therefore, description below is appreciated that widely known for those skilled in the art, and is not intended as limitation of the present invention.
In figure, 1, handle；2nd, U type connecting rod；3rd, mechanism's spring；4th, actuating arm；5th, dropout lever；6th, swing rod；7th, energy storage pull bar；8th, sliding block；9th, trade mark buckle closure；10th, moving contact；11st, slideway；12nd, static contact；13rd, input terminal；14th, blow-out grid；15th, magnetic trip gear；16th, hot dropout guide rod；17th, bimetal leaf；18th, heat adjusts screw；19th, lead-out terminal；20th, housing；21st, dropout arm spring.
As Figure 1-4, static contact 12 is connected with input terminal 13, handle 1 is connected with moving contact drive mechanism, moving contact 10 is connected with moving contact drive mechanism, and connected by magnetic tripping mechanism 15, thermal tripping mechanism and lead-out terminal 19, magnetic tripping mechanism 15 and thermal tripping mechanism are used cooperatively with moving contact drive mechanism, and moving contact drive mechanism is provided with slideway 11, moving contact 10 can be moved along the slideway 11 of straight line, and static contact 12 is located on the extended line of slideway 11.Moving contact drive mechanism includes mechanism's spring 3, actuating arm 4, dropout lever 5, swing rod 6, sliding block 8 and moving contact stage clip, actuating arm 4 is connected by U type connecting rod 2 with handle 1, actuating arm 4 is installed on swing rod 6 by rotating shaft, swing rod 6 is connected with mechanism spring 3 and sliding block 8, moving contact stage clip is located in sliding block 8, and be connected with moving contact 10, moving contact 10 is located in sliding block 8, slideway 11 is enclosed within outside sliding block 8, dropout lever 5, swing rod 6 are connected by a rotating shaft with housing 20, and contact point is respectively equipped between dropout lever 5 and actuating arm 4, magnetic tripping mechanism 15 and thermal tripping mechanism.Energy storage pull bar 7 is provided with housing 20, the one end of energy storage pull bar 7 is provided with gib head, and gib head is located in the fan-shaped annular groove at the rotating shaft back side of handle 1, and another terminal block of energy storage pull bar 7 is on the slideway 11 of moving contact 10.Non-circular hole is provided with the spindle central of handle 1.Thermal release device includes that hot dropout guide rod 16, bimetal leaf 17 and heat adjust screw 18, and contact point is provided between hot dropout guide rod 16 and dropout lever 5.When breaker of plastic casing the two poles of the earth, three poles or quadrupole link, not rounded drive rod is provided with non-circular hole, not rounded drive rod runs through all non-circular holes, and only one or two handle is provided with hadle.Dropout arm spring 21 is contacted with dropout lever 5 and housing 20.The end of moving contact 10 has a projection, and projection coordinates energy storage pull bar 7 to use, to realize energy-storage function.Housing 20 is provided with trade mark buckle closure 9, and trade mark buckle closure 9 is located at the top of handle 1.
Contact and the disengaging action of moving contact 10 and static contact 12 are all completed along slideway 11 is for linear motion, and the driving force of two contact actions of contact comes from handle 1, disconnect the release that action drives power comes from the elastic potential energy of the storage of mechanism's spring 3.Elastic potential energy is, in feed motion, to order about mechanism's spring 3 by swing rod 6 and produce what torsional deformation was produced.The driving force of feed motion passes to moving contact 10 by U type connecting rod 2, and moving contact drive mechanism, and moving contact 10 rushes at static contact 12 along the linear motion of slideway 11, completes circuit and connects；When handle operates a switch power operation, the direction of motion of above-mentioned all parts makees counter motion, and the lifting moving contact 10 of last sliding block 8 and static contact 12 are disengaged, and are completed circuit and are disconnected.When failure needs breaking-off contact to contact, the action drives power of moving contact drive mechanism comes from the elastic potential energy of mechanism's spring 3.Magnetic dropout short-circuit protection and hot dropout overload protection arrangement that error protection trigger action is internally sourced, triggering dropout lever 5 and actuating arm 4 are disengaged, and moving contact 10 completes the action that contact disconnects under the effect of mechanism's spring 3.When the trigger action of error protection is from outside, by the middle part perforate at the bottom and lid of housing 20, external trigger power acts on dropout lever 5, powers off mechanical unlocking.
Handle 1 rotating shaft is provided centrally with non-circular hole; square hole is used in the present embodiment; to the driving of handle 1 in addition to hand drive hadle; outside torsion can also be input into by the non-circular hole of handle; when multiple breaker parallel connections rivets together composition multiphase protection switch; only need a certain pole therein that handle is set; its hadle is exposed at stacked switch hull outside for people's hand drive; remaining each pole is only set without handle, and it is driven and twists and can be transmitted by the not rounded drive rod of handle axis hole internal series-connection.
As seen in figs. 5-6, it is that, without handle, three non-circular holes of breaker of plastic casing are connected by a not rounded drive rod positioned at the handle 1 of the breaker of plastic casing of both sides when the pole of breaker of plastic casing three is linked.
As Figure 7-8, it is, without handle, even handle to be set positioned at two middle breaker of plastic casing positioned at the handle 1 of the breaker of plastic casing of both sides when breaker of plastic casing quadrupole links, four non-circular holes of breaker of plastic casing are connected by a not rounded drive rod.
It has been described in detail to of the invention above by embodiment, but the content is only presently preferred embodiments of the present invention, it is impossible to it is considered as limiting practical range of the invention.All impartial changes made according to the present patent application scope and improvement etc., all should still belong within patent covering scope of the invention.
Claims (6)
1. a kind of contact Direct Action Type breaker of plastic casing, input terminal including housing and in the housing, lead-out terminal, static contact, moving contact, blow-out grid, handle, moving contact drive mechanism, magnetic tripping mechanism and thermal tripping mechanism, the static contact is connected with the input terminal, the handle is connected with moving contact drive mechanism, the moving contact is connected with the moving contact drive mechanism, and by the magnetic tripping mechanism, thermal tripping mechanism is connected with lead-out terminal, the magnetic tripping mechanism and thermal tripping mechanism are used cooperatively with the moving contact drive mechanism, it is characterized in that the moving contact drive mechanism is provided with slideway, the moving contact can be moved along the slideway of straight line, the static contact is located on the extended line of the slideway.
2. a kind of contact Direct Action Type breaker of plastic casing as claimed in claim 1, it is characterized in that the moving contact drive mechanism includes mechanism's spring, actuating arm, dropout lever, swing rod, sliding block and moving contact stage clip, the actuating arm is connected by U type connecting rod with the handle, the actuating arm is installed on the swing rod by rotating shaft, the swing rod is connected with mechanism's spring and sliding block, the moving contact stage clip is located in the sliding block, and be connected with the moving contact, the moving contact is located in the sliding block, the sliding ledge cover is outside the sliding block, the dropout lever, swing rod is connected by a rotating shaft with the housing, the dropout lever and the actuating arm, contact point is respectively equipped between magnetic tripping mechanism and thermal tripping mechanism.
3. a kind of contact Direct Action Type breaker of plastic casing as claimed in claim 1, it is characterized in that being provided with energy storage pull bar in the housing, described energy storage pull bar one end is provided with gib head, the gib head is located in the fan-shaped annular groove at the arm pivot post back side, and another terminal block of the energy storage pull bar is on the slideway of the moving contact.
4. a kind of contact Direct Action Type breaker of plastic casing as claimed in claim 1, it is characterised in that be provided with non-circular hole at the spindle central of the handle.
5. a kind of contact Direct Action Type breaker of plastic casing as claimed in claim 4, it is characterized in that when breaker of plastic casing the two poles of the earth, three poles or quadrupole link, not rounded drive rod is provided with the non-circular hole, the not rounded drive rod runs through all non-circular holes, and only one or two described handle is provided with hadle.
6. a kind of contact Direct Action Type breaker of plastic casing as claimed in claim 1, it is characterised in that the housing is provided with trade mark buckle closure, and the trade mark buckle closure is located at the top of the handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510975876.2A CN106898529B (en) | 2015-12-21 | 2015-12-21 | A kind of contact Direct Action Type breaker of plastic casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510975876.2A CN106898529B (en) | 2015-12-21 | 2015-12-21 | A kind of contact Direct Action Type breaker of plastic casing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106898529A true CN106898529A (en) | 2017-06-27 |
| CN106898529B CN106898529B (en) | 2018-08-31 |
Family
ID=59191240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510975876.2A Active CN106898529B (en) | 2015-12-21 | 2015-12-21 | A kind of contact Direct Action Type breaker of plastic casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106898529B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2791859Y (en) * | 2005-03-22 | 2006-06-28 | 浙江德力西电器股份有限公司 | Operation mechanism of small circuit breaker |
| CN103594298A (en) * | 2013-11-22 | 2014-02-19 | 王克诚 | Electric control molded case circuit breaker and logic interlocking type molded case circuit breaker |
| CN204257542U (en) * | 2014-12-18 | 2015-04-08 | 浙江民电电气有限公司 | With the breaker of plastic casing of contact indicating mechanism |
| CN104576247A (en) * | 2015-01-05 | 2015-04-29 | 无锡新宏泰电器科技股份有限公司 | Falling-prevention single-break contact operation mechanism |
| CN204348583U (en) * | 2014-12-01 | 2015-05-20 | 浙江正泰电器股份有限公司 | Isolating switch |
| CN205248221U (en) * | 2015-12-21 | 2016-05-18 | 天津加美特电气设备有限公司 | Contact direct action type moulded case circuit breaker |
-
2015
- 2015-12-21 CN CN201510975876.2A patent/CN106898529B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2791859Y (en) * | 2005-03-22 | 2006-06-28 | 浙江德力西电器股份有限公司 | Operation mechanism of small circuit breaker |
| CN103594298A (en) * | 2013-11-22 | 2014-02-19 | 王克诚 | Electric control molded case circuit breaker and logic interlocking type molded case circuit breaker |
| CN204348583U (en) * | 2014-12-01 | 2015-05-20 | 浙江正泰电器股份有限公司 | Isolating switch |
| CN204257542U (en) * | 2014-12-18 | 2015-04-08 | 浙江民电电气有限公司 | With the breaker of plastic casing of contact indicating mechanism |
| CN104576247A (en) * | 2015-01-05 | 2015-04-29 | 无锡新宏泰电器科技股份有限公司 | Falling-prevention single-break contact operation mechanism |
| CN205248221U (en) * | 2015-12-21 | 2016-05-18 | 天津加美特电气设备有限公司 | Contact direct action type moulded case circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106898529B (en) | 2018-08-31 |
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Address after: 300000 Tianjin city Hebei District Road No. 58 Hua screen production of small and medium enterprises in Hebei Service Center 302 Patentee after: Tianjin jiameite Electric Co.,Ltd. Address before: 300000 Tianjin city Hebei District Road No. 58 Hua screen production of small and medium enterprises in Hebei Service Center 302 Patentee before: TIANJIN JIAMEITE ELECTRICAL EQUIPMENT Co.,Ltd. |
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