CN2891264Y - Separated thermo-magnetic adjustable releaser for breaker - Google Patents
Separated thermo-magnetic adjustable releaser for breaker Download PDFInfo
- Publication number
- CN2891264Y CN2891264Y CNU2006201014337U CN200620101433U CN2891264Y CN 2891264 Y CN2891264 Y CN 2891264Y CN U2006201014337 U CNU2006201014337 U CN U2006201014337U CN 200620101433 U CN200620101433 U CN 200620101433U CN 2891264 Y CN2891264 Y CN 2891264Y
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- CN
- China
- Prior art keywords
- draw bar
- release device
- circuit breaker
- split type
- support
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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.)
- Expired - Lifetime
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Abstract
The utility model relates to an electrical apparatus release for heavy-current low voltage breaker, in particular to a split pyromagnetic adjustable electrical apparatus release for the breaker, which comprises a release system fixed on the base by the mounting plate, the electrical release system is consist of a draft bar which connect in a fixed mount of the mounting plate, a push bar which is fixed on the mounting plate locating hole, an electromagnetic tripping means which is corresponding with every phase current, a heat trip gear which is corresponding with every phase current and a knob assembly for adjust the draft bar axial position. Every phase current is corresponding fixed an electromagnetic tripping means and a heat trip gear, when any phase short-circuiting or over loading, the corresponding electromagnetic tripping means or heat trip gear will be operated. The utility model employs the improved facilitated electrical apparatus release can be reduce the produce and assemble time effectively, the produce, storage and management are convenient.
Description
Technical field
The utility model relates to a kind of release that is used for the low-voltage, high-current circuit breaker, relates in particular to a kind of release of molded case circuit breaker.Specifically a kind of split type thermomagnetic adjustable release device that is used for circuit breaker.
Background technology
Present large current interruption device, its tripping system, a kind of by components and parts such as electronic module, instrument transformer and magnetic flow convertor form with intellectual release, this release, though it is adjustable also can be made into split, its parts cost height, cost performance is low, is unfavorable for market competition; Though another kind is pyromagnetic adjustable release, its structure generally all is that release and breaker body are associated together, and tripping mechanism does not separate with actuating mechanism, complicated integral structure, interchangeability is poor, and assembling process is loaded down with trivial details, is unfavorable for producing, stores and management.
Summary of the invention
The above-mentioned defective that prior art to be solved in the utility model exists provides a kind of follow-on a kind of split type thermomagnetic adjustable release device that is used for circuit breaker, is intended to simplified structure, also shortens circuit breaker production and built-up time simultaneously, is convenient to produce store and management.
The technical scheme that addresses the above problem employing is: a kind of split type thermomagnetic adjustable release device that is used for circuit breaker, comprise that one is fixed on tripping system on the pedestal by mounting panel, and described tripping system comprises:
_ _ one draw bar is coupling on first support that is fixed on the described mounting panel;
_ _ one push rod is arranged on the location hole of mounting panel, and an inside end leans on the projection in the described draw bar outside by back-moving spring, and the other end matches with the operating mechanism of described circuit breaker;
The electromagnetic tripping apparatus of _ _ corresponding with every phase current, described each electromagnetic tripping apparatus is connected on the boss of described draw bar inboard by an adjusting rod respectively;
The thermal release device of _ _ corresponding with every phase current, the relative configuration in inclined-plane on the contact arm of the set screw of described each thermal release device and described draw bar top;
_ _ one set of knobs component that is used to regulate described draw bar axial location.
Release of the present utility model and since every phase current all correspondence an electromagnetic tripping apparatus and a thermal release device are installed, in any phase short circuit or when overload, corresponding electromagnetic tripping apparatus or thermal release device all can move.Specifically, when a certain when short circuit phenomenon occurring mutually, the moving iron core in this corresponding electromagnetic tripping apparatus is by adhesive, with its mutually the adjusting rod of hinge drive draw bar and rotate and push rod is axially moved; When a certain when occurring the overload phenomenon mutually, the set screw on the corresponding thermal release device is because of the heated bending of bimetal leaf constantly promotes draw bar, makes it to rotate and drives push rod and do axial motion.Axial motion under two kinds of situations all finally promotes the actuating mechanism of circuit breaker.
Because the effect of back-moving spring, the medial extremity plane of push rod contacts with the projection of draw bar all the time, guarantees that draw bar can automatically reset, and also helps draw bar and effectively promotes push rod and axially move.
As further improvement of the utility model, the surface of the projection in the described draw bar outside is an arc surface, can improve the contact reliability of push rod and draw bar.
Described set of knobs component comprises knob, goring push spring and " U " shape second support.Described knob is provided with location-plate, is arranged on behind the suit goring push spring in the through hole of offering on the first side wall of described second support, and under the effect of goring push spring, knob remains the compact state with second support.Knob bottom off-centre is provided with haptic element; Described haptic element inlay card is in the inboard set stopper slot of described draw bar; Described second frame bottom is arranged on the described mounting panel.Offer on second sidewall of described second support with described the first side wall on the concentric arc groove of through hole, described location-plate bottom surface is provided with the salient point of relative configuration with described arc groove.This salient point is limited among the arc groove of second support, as the anglec of rotation of restriction knob assembly, thereby the rotating range of set of knobs component is decided on the radian size of the second support arc groove.
Also offer mounting groove on second sidewall of described second support.When knob and haptic element are integrated, can carry out installing and locating from mounting groove.
Also be provided with buffer spring in the rotating shaft of described draw bar.
The inside end of described push rod is the plane, can further improve push rod and cherishes with contacting reliably of draw bar, and the other end is an arc surface, and its effect is the frictional force when reducing the push rod promotion.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the split type thermomagnetic adjustable release device structural representation of the circuit breaker of the utility model figure.
Fig. 2 and Fig. 3 are the structural representations of tripping system.
Fig. 4 is the structural representation of mounting panel.
Fig. 5 is the structural representation of draw bar.
Fig. 6 is the supporting structure schematic diagram.
Fig. 7 is the structural representation of push rod.
Fig. 8 is the structural representation of knob assembly.
Fig. 9 is the structural representation of support.
Figure 10 is the structural representation of knob.
Figure 11 is the structural representation of thermal release device.
Figure 12 is the structural representation of electromagnetic tripping apparatus.
Embodiment
With reference to Fig. 1, the split type thermomagnetic adjustable release device of circuit breaker of the present utility model comprises pedestal 1 and tripping system 65, and described tripping system 65 is fixed on the pedestal 1 by mounting panel 17.
With reference to Fig. 2, Fig. 3, tripping system 65 comprise a draw bar 20, push rod 8, one be used to regulate the set of knobs component 37 of overload current, electromagnetic tripping apparatus 10 and the thermal release device 11 corresponding with every phase current.In this example, circuit breaker has three-phase structure.
With reference to Fig. 4, be provided with a plurality of installing holes in the mounting panel 17, its mesopore 25 is the guide effects when being used for push rod 8 and axially moving, and the length of location hole 25 is more preferably greater than the thickness of mounting panel, and a method the simplest is that a circle boss is set around location hole 25.Hole 29 is used for mounting panel and is fixed on pedestal 1.
With reference to Fig. 5, draw bar 20 is provided with a countershaft 100, is installed on the support 21 to offer in the pair of holes 23, is convenient to rotate.Also be set with a buffer spring 24 in the rotating shaft therein.The projection 40 that draw bar 20 outside sides are provided with an arc surface is used to promote push rod 8 and does straight-line acting surface.Draw bar 20 inside sides are provided with 3 boss 104, are respectively applied for the adjusting rod 41 that connects 3 electromagnetic tripping apparatus 10.The top of draw bar 20 is provided with 3 contact arms 103, and described contact arm 103 1 sides are provided with inclined-plane 105, and each inclined-plane 105 is oppositely arranged with the set screw 71 of thermal release device respectively.When draw bar 20 was done axial motion, the distance between set screw 71 and the inclined-plane 105 changed, thereby reached the purpose of regulating overload current.
With reference to Fig. 6, support 21 is " U " shape, and dual-side is provided with pair of holes 23 and is used to connect a countershaft 100 on the draw bar 20.Also being provided with pair of holes 26 on the base is used for support 21 is fixed among the hole 29 of mounting panel 17.
With reference to Fig. 7, push rod 8 is arranged in the location hole 25 of mounting panel 17 and can does axial motion in the hole, one end is an arc surface 12, be used for matching with the operating mechanism of described circuit breaker, purpose is the frictional force when reducing push rod 8 promotions, and the other end is that plane 9 cooperates with the arc surface boss 40 of draw bar 20 inboards, and is reliable for guaranteeing contact, the area on plane 9 is greater than the lateral cross section of push rod 8 and amasss, and push rod 8 is done axial linear movement and driven circuit breaker tripping under the effect of draw bar 20.Also be set with a back-moving spring 13 on the push rod 8, under back-moving spring 13 effects, plane 9 closely contacts with projection arc surface 40 all the time, on the one hand draw bar 20 can be automatically reset, and also effectively promotes push rod 8 simultaneously and axially moves.
With reference to Fig. 8-10, set of knobs component 37 comprises knob 35, goring push spring 75 and " U " shape support 64.Described knob 35 is provided with location-plate 109, be arranged on behind the suit goring push spring 75 in the through hole of offering on the sidewall 110 of described support 64 81, under the effect of goring push spring 75, the bottom surface 73 of location-plate 109 remains the surface 101 tight flame modes with rack side wall 67.Knob 35 bottom off-centre are provided with haptic element 98; Described haptic element 98 inlay cards are used to stir draw bar 20 and do axial motion in described draw bar 20 inboard set stopper slots 102.Described support 64 bottoms 111 are arranged on the described mounting panel 17.Offer on the sidewall 67 of described support 64 with described sidewall on the concentric arc groove 82 of through hole 81, described location-plate 109 bottom surfaces are provided with the salient point 70 with described arc groove 82 relative configurations.This salient point is limited among the arc groove of support, as the anglec of rotation of restriction knob assembly, thereby the rotating range of set of knobs component is decided on the radian size of support arc groove.Also offer mounting groove 80 on the sidewall 67 of described support 64.When knob and haptic element are integrated, can carry out installing and locating from mounting groove.
With reference to Figure 11, thermal release device 11 is made of bimetal leaf 74 and thermal element 92,95, bimetal leaf 74 is constantly crooked under thermal element 92,95 heating situations, be fixed on set screw 71 on the bimetal leaf 74 along with the bending of bimetal leaf 74 is moved by nut 89, under normal operating current state, set screw 71 keeps a relative distance with the inclined-plane 105 of draw bar 20.When circuit breaker current was transshipped, the set screw 71 final draw bars 20 that promote 100 rotated around the shaft, and the arc surface of projection 40 promotes push rod 8 moving linearlies and causes the operating mechanism of circuit breaker to produce tripping operation.
Rotation set screw 71 can be adjusted the spacing on set screw 71 and inclined-plane 105, and then regulates the overload setting current.The adjusting before but this regulative mode is generally used for dispatching from the factory, after debugging assembled, the user can regulate by knob assembly 37.
With reference to Figure 12, adjusting rod 41 upper ends of electromagnetic tripping apparatus 10 are fixed on by nut 108 in the groove of sole 96, and described sole 96 is pressed against on the boss 104 of draw bar 20.On moving unshakable in one's determination 62, when short-circuit conditions occurring, moving unshakable in one's determination 62 by fixed core 63 adhesives by hinge in the lower end of adjusting rod 41, and adjusting rod 41 is rotated by driving draw bar 20 under the acting in conjunction of sole 96, packing ring 33, nut 108.The active length of adjusting rod 41 can be regulated by nut 108, and then regulates the short circuit setting current.
Moving 62 tops unshakable in one's determination are provided with adjustment screw 106 by nut 107, are used to regulate the operating distance between moving iron core 62 and the fixed core 63, also can regulate the short circuit setting current.
What should be understood that is: the foregoing description is just to explanation of the present utility model, rather than to restriction of the present utility model, any utility model that does not exceed in the utility model connotation scope is created, and all falls within the protection range of the present utility model.
Claims (8)
1, a kind of split type thermomagnetic adjustable release device that is used for circuit breaker comprises that one is fixed on tripping system (65) on the pedestal (1) by mounting panel (17), is characterized in that described tripping system (65) comprising:
_ _ one draw bar (20) is coupling on first support (21) that is fixed on the described mounting panel (17);
_ _ one push rod (8), be arranged on the location hole (25) of mounting panel (17), an inside end (9) leans on the projection (40) in described draw bar (20) outside by back-moving spring (13), and the other end (12) matches with the operating mechanism of described circuit breaker;
The electromagnetic tripping apparatus of _ _ corresponding with every phase current (10), described each electromagnetic tripping apparatus (10) are connected on the inboard boss (104) of described draw bar (20) by an adjusting rod (41) respectively;
The thermal release device of _ _ corresponding (11) with every phase current, the relative configuration in inclined-plane (105) on the contact arm (103) of the set screw (71) of described each thermal release device (11) and described draw bar (20) top;
_ _ one set of knobs component (37) that is used to regulate described draw bar (20) axial location.
2, the split type thermomagnetic adjustable release device that is used for circuit breaker as claimed in claim 1 is characterized in that the surface of the projection (40) in described draw bar (20) outside is an arc surface.
3, the split type thermomagnetic adjustable release device that is used for circuit breaker as claimed in claim 1 is characterized in that described set of knobs component (37) comprises knob (35), goring push spring (75) and " U " shape second support (64); Described knob (35) is provided with location-plate (109), is arranged on behind the suit goring push spring (75) in the through hole of offering on the first side wall of described second support (64) (81), and bottom off-centre is provided with haptic element (98); Described haptic element (98) inlay card is in the inboard set stopper slot (102) of described draw bar (20); Described second support (64) bottom is arranged on the described mounting panel (17).
4, the split type thermomagnetic adjustable release device that is used for circuit breaker as claimed in claim 3, it is characterized in that offering on second sidewall (67) of described second support (64) with described the first side wall on the concentric arc groove (82) of through hole (81), described location-plate (109) bottom surface is provided with the salient point (70) with the relative configuration of described arc groove (82).
5, the split type thermomagnetic adjustable release device that is used for circuit breaker as claimed in claim 4 is characterized in that also offering mounting groove (80) on second sidewall (67) of described second support (64).
6, the split type thermomagnetic adjustable release device that is used for circuit breaker as claimed in claim 3 is characterized in that also being provided with buffer spring (24) in the rotating shaft (100) of described draw bar (20).
7, the split type thermomagnetic adjustable release device of stating as claim 1 that is used for circuit breaker is characterized in that the inside end (9) of described push rod (8) is the plane.
8, the split type thermomagnetic adjustable release device of stating as claim 1 that is used for circuit breaker is characterized in that the outside end (12) of described push rod (8) is an arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201014337U CN2891264Y (en) | 2006-03-06 | 2006-03-06 | Separated thermo-magnetic adjustable releaser for breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201014337U CN2891264Y (en) | 2006-03-06 | 2006-03-06 | Separated thermo-magnetic adjustable releaser for breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2891264Y true CN2891264Y (en) | 2007-04-18 |
Family
ID=38021929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201014337U Expired - Lifetime CN2891264Y (en) | 2006-03-06 | 2006-03-06 | Separated thermo-magnetic adjustable releaser for breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2891264Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100421201C (en) * | 2006-03-06 | 2008-09-24 | 浙江正泰电器股份有限公司 | Split thermomagnetic adjustable release device for circuit breaker |
| CN101465247B (en) * | 2007-12-21 | 2012-08-08 | 赵建平 | Mechanism for setting and regulating circuit breaker time-delay current |
| CN103247495A (en) * | 2012-02-14 | 2013-08-14 | 西门子公司 | Thermomagnetic trip for small current ranges |
| CN105453213A (en) * | 2013-03-12 | 2016-03-30 | 海格电气有限公司 | Magnetothermal actuator |
-
2006
- 2006-03-06 CN CNU2006201014337U patent/CN2891264Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100421201C (en) * | 2006-03-06 | 2008-09-24 | 浙江正泰电器股份有限公司 | Split thermomagnetic adjustable release device for circuit breaker |
| CN101465247B (en) * | 2007-12-21 | 2012-08-08 | 赵建平 | Mechanism for setting and regulating circuit breaker time-delay current |
| CN103247495A (en) * | 2012-02-14 | 2013-08-14 | 西门子公司 | Thermomagnetic trip for small current ranges |
| US9218929B2 (en) | 2012-02-14 | 2015-12-22 | Siemens Aktiengesellschaft | Thermomagnetic trip for small current ranges |
| CN103247495B (en) * | 2012-02-14 | 2016-12-28 | 西门子公司 | Thermomagnetic type release for small area analysis scope |
| CN105453213A (en) * | 2013-03-12 | 2016-03-30 | 海格电气有限公司 | Magnetothermal actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080924 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |