CN201425926Y - Single-phase circuit breaker - Google Patents
Single-phase circuit breaker Download PDFInfo
- Publication number
- CN201425926Y CN201425926Y CN2009201477741U CN200920147774U CN201425926Y CN 201425926 Y CN201425926 Y CN 201425926Y CN 2009201477741 U CN2009201477741 U CN 2009201477741U CN 200920147774 U CN200920147774 U CN 200920147774U CN 201425926 Y CN201425926 Y CN 201425926Y
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- Prior art keywords
- base
- circuit breaker
- phase circuit
- power connection
- connection equipment
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- Expired - Fee Related
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Abstract
The utility model discloses a single-phase circuit breaker, which comprises a plastic base, a plastic upper cover, a wiring component, a contact system, an operating mechanism and a tripping device, wherein the wiring component, the contact system, the operating mechanism and the tripping device are arranged on the base. The wiring component comprises a wire input terminal and a wire outgoing terminal, the contact system comprises a movable contact and a fixed contact, the operating mechanism comprises a tripping trigger rod, the tripping device comprises an overcurrent tripping protection mechanism, an overload tripping protection mechanism and a remote electromagnetic tripping mechanism, the overcurrent tripping protection mechanism and the overload tripping protection mechanism are perpendicularly arranged on the base, and the remote electromagnetic tripping mechanism is horizontally arranged on the base and located on one side of the tripping trigger rod approaching the wire outgoing terminal. The single-phase circuit breaker has the advantages of being capable of realizing remote control opening.
Description
Technical field
The utility model belongs to the low-pressure plastic shell circuit breaker technical field, is specifically related to a kind of single-phase circuit breaker.
Background technology
Traditional single-phase circuit breaker generally comprises plastic feet, upper plastic cover and is arranged on connector assembly, contact system, operating mechanism and trip gear on the base; Described operating mechanism comprises the dropout frizzen; Described trip gear includes only an overcurrent dropout protection mechanism, overlond trip protection mechanism described overcurrent dropout protection mechanism and overlond trip protection mechanism and is vertically set on the base.When electric current is greater than rated current and in less than a predetermined current value scope, bimetal leaf in the described overlond trip protection mechanism is crooked gradually, when exceed rated current pass through the electric current certain time after, the bimetal leaf bending acquires a certain degree, can drive on the dropout frizzen that the contact pilotage that is fixed on the bimetal leaf top is pressed on operating mechanism, promote described dropout frizzen and make the dynamic/static contact in the contact system separate, also promptly realize the separating brake action; When the electricity consumption line short, its short circuit current often exceeds tens times of rated current, and at this moment, described overcurrent dropout protection mechanism instantaneous operation promotes described dropout frizzen and makes the dynamic/static contact in the contact system separate, and also promptly realizes the separating brake action.
But traditional single-phase circuit breaker also exists weak point: can not realize Long-distance Control separating brake function, structure still need be improved.
The utility model content
The purpose of this utility model provides a kind of single-phase circuit breaker of realizing Long-distance Control separating brake function.
The technical scheme that realizes the utility model purpose is: a kind of single-phase circuit breaker comprises plastic feet, upper plastic cover and is arranged on connector assembly, contact system, operating mechanism and trip gear on the base; Described connector assembly comprises an input terminal and an outlet terminal; Described contact system comprises a moving contact and a fixed contact; Described operating mechanism comprises the dropout frizzen; Described trip gear comprises an overcurrent dropout protection mechanism and an overlond trip protection mechanism, and described overcurrent dropout protection mechanism and overlond trip protection mechanism are vertically set on the base; Its design feature is: described trip gear also comprises a long-range electromagnetic trip mechanism; Described long-range electromagnetic trip mechanism is horizontally set on the base, and is positioned at the side near outlet terminal of described dropout frizzen.
In the technique scheme, described long-range electromagnetic trip mechanism comprises the coil rack that is provided with slide opening, be set in the solenoid on the described coil rack and be used to promote the moving iron core of described dropout frizzen; Described moving iron core can reciprocatingly move along slide opening, and can compress and promote described dropout frizzen in the process that moves.
In the technique scheme, described overcurrent dropout protection mechanism is a transient electromagnetic formula tripping mechanism, and described overlond trip protection mechanism is a time-delay double-metal sheet type thermal tripping mechanism; Also be provided with arc-extinguishing mechanism on the described base.
In the technique scheme, also be provided with the auxiliary switch that is used to protect long-range electromagnetic trip mechanism on the described base, described auxiliary switch is one to be provided with the normally closed type sensitive switch of press handle; The end of incoming cables of described auxiliary switch is electrically connected with screw-type connecting terminal components in the power connection equipment, and the leading-out terminal of described auxiliary switch is electrically connected with the solenoid of described long-range electromagnetic trip mechanism.
In the technique scheme, described operating mechanism comprises rotating shaft and the driving member that is driven by described rotating shaft, and the press handle of described auxiliary switch is pressed or unclamped to described driving member in the process that is driven by rotating shaft.
In the technique scheme, also be provided with on the described base and be used for the power connection equipment that is connected with extraneous power supply, described power connection equipment is provided with at least one screw-type connecting terminal components.
In the technique scheme, described input terminal is arranged on the front end of base, and described outlet terminal is arranged on the rear end of base; The limit wall upper surface of described base left end, being provided with a basic configuration is criss-cross stopper slot; The horizontal cross sectional geometry of described power connection equipment is a rectangle, and two side ends respectively is provided with the location lug of a protrusion before and after it; Described power connection equipment is arranged in the described stopper slot, the left end limit wall of the left end protuberate basic unit of described power connection equipment, and be provided with the screw-type connecting terminal components in the extension.
In the technique scheme, the thickness of described power connection equipment is identical with the degree of depth of described stopper slot, and described loam cake directly lid is pressed on the described power connection equipment upper surface.
In the technique scheme, described input terminal is screw-type binding post or vertical plug-in type connection terminal with described outlet terminal.
In the technique scheme, described input terminal preferably adopts vertical plug-in type connection terminal with described outlet terminal, and the central authorities of described input terminal and described outlet terminal are provided with the plug-in wiring hole vertical with base.
The utlity model has positive effect: in (1) the utility model, described trip gear is owing to comprise a long-range electromagnetic trip mechanism; Described long-range electromagnetic trip mechanism is horizontally set on the base, and is positioned at the side near outlet terminal of described dropout frizzen.By external circuits, can be when needed, allow this long-range electromagnetic trip mechanism by an electric current, thereby control make it trigger the dropout frizzen, finishes the action of Long-distance Control separating brake.
(2) in the utility model, also be provided with the auxiliary switch that is used to protect long-range electromagnetic trip mechanism on the described base, described auxiliary switch is one to be provided with the normally closed type sensitive switch of press handle.This normally closed type sensitive switch can be when need not the work of long-range electromagnetic trip mechanism, disconnects the power supply of long-range electromagnetic trip mechanism, avoiding long-time energising to cause burning coil in the old electromagnetic trip far away mechanism.
(3) in the utility model, described operating mechanism comprises rotating shaft and the driving member that is driven by described rotating shaft, and the press handle of described auxiliary switch is pressed or unclamped to described driving member in the process that is driven by rotating shaft.This kind structure can guarantee deciliter being consistent automatically of the power on/off of sensitive switch and dynamic/static contact.
(4) in the utility model, also be provided with on the described base and be used for the power connection equipment that is connected with extraneous power supply, described power connection equipment is provided with at least one screw-type connecting terminal components; By this power connection equipment, can insert external low-tension supply easily, thereby save the sky high cost that induction power supply is set in housing.
(5) in the utility model, the limit wall upper surface of described base left end, being provided with a basic configuration is criss-cross stopper slot, and the horizontal cross sectional geometry of described power connection equipment is a rectangle, and two side ends respectively is provided with the location lug of a protrusion before and after it; Described power connection equipment is arranged in the described stopper slot, the left end limit wall of the left end protuberate basic unit of described power connection equipment, and be provided with the screw-type connecting terminal components in the extension.Base and power connection equipment with this kind structure, it is comparatively convenient to install and use.
Description of drawings
Fig. 1 is a kind of perspective view of the present utility model;
Fig. 2 is a kind of perspective view of single-phase circuit breaker shown in Figure 1 after removing loam cake;
Fig. 3 is a kind of perspective view of single-phase circuit breaker when another angle is observed that removes behind the loam cake shown in Figure 2;
Fig. 4 is a kind of perspective view of single-phase circuit breaker shown in Figure 1 when observing from the side after removing loam cake and base;
Fig. 5 is the structural representation of single-phase circuit breaker shaft shown in Figure 1 and driving member;
Fig. 6 is a kind of perspective view of auxiliary switch in the single-phase circuit breaker shown in Figure 1;
Fig. 7 is a kind of structural representation of auxiliary switch shown in Figure 6 when observing from the side;
Fig. 8 is a kind of perspective view of base in the single-phase circuit breaker shown in Figure 1;
Fig. 9 is a kind of perspective view of power connection equipment in the single-phase circuit breaker shown in Figure 1;
A kind of perspective view that Figure 10 is a power connection equipment shown in Figure 9 when another angle is observed.
Be labeled as shown in the accompanying drawing: base 1, loam cake 2, connector assembly 3; input terminal 31, outlet terminal 32, plug-in wiring hole 33; contact system 4, moving contact 41, fixed contact 42; operating mechanism 5, dropout frizzen 51, rotating shaft 52; driving member 53 is stirred face 531, trip gear 6; overcurrent dropout protection mechanism 61, overlond trip protection mechanism 62, long-range electromagnetic trip mechanism 63; coil rack 631, solenoid 632, moving unshakable in one's determination 633; auxiliary switch 7, press handle 71, power connection equipment 8; screw-type connecting terminal components 81; location lug 82, stopper slot 9, arc-extinguishing mechanism 100.
Embodiment
(embodiment 1)
Fig. 1 to Figure 10 has shown a kind of embodiment of the present utility model, and wherein Fig. 1 is a kind of perspective view of the present utility model; Fig. 2 is a kind of perspective view of single-phase circuit breaker shown in Figure 1 after removing loam cake; Fig. 3 is a kind of perspective view of single-phase circuit breaker when another angle is observed that removes behind the loam cake shown in Figure 2; Fig. 4 is a kind of perspective view of single-phase circuit breaker shown in Figure 1 when observing from the side after removing loam cake and base; Fig. 5 is the structural representation of single-phase circuit breaker shaft shown in Figure 1 and driving member; Fig. 6 is a kind of perspective view of auxiliary switch in the single-phase circuit breaker shown in Figure 1; Fig. 7 is a kind of structural representation of auxiliary switch shown in Figure 6 when observing from the side; Fig. 8 is a kind of perspective view of base in the single-phase circuit breaker shown in Figure 1; Fig. 9 is a kind of perspective view of power connection equipment in the single-phase circuit breaker shown in Figure 1; A kind of perspective view that Figure 10 is a power connection equipment shown in Figure 9 when another angle is observed.
Present embodiment is a kind of single-phase circuit breaker, sees Fig. 1 to Figure 10, draws together plastic feet 1, upper plastic cover 2 and is arranged on connector assembly 3, contact system 4, operating mechanism 5 and trip gear 6 on the base 1; Described connector assembly 3 comprises an input terminal 31 and an outlet terminal 32; Described contact system 4 comprises a moving contact 41 and a fixed contact 42; Described operating mechanism 5 comprises dropout frizzen 51; Described trip gear 6 comprises the long-range electromagnetic trip of an overcurrent dropout protection mechanism 61, overlond trip protection mechanism 62 and mechanism 63; Described overcurrent dropout protection mechanism 61 and overlond trip protection mechanism 62 are vertically set on the base 1; Described long-range electromagnetic trip mechanism 63 is horizontally set on the base 1, and is positioned at the side near outlet terminal 32 of described dropout frizzen 51.
See Fig. 2 to Fig. 4, described long-range electromagnetic trip mechanism 63 comprises the coil rack 631 that is provided with slide opening, is set in the solenoid 632 on the described coil rack 631 and is used to promote moving unshakable in one's determination 633 of described dropout frizzen 51; Described moving unshakable in one's determination 633 can reciprocatingly move along slide opening, and can compress and promote described dropout frizzen 51 in the process that moves.
Described overcurrent dropout protection mechanism 61 is transient electromagnetic formula tripping mechanisms, and described overlond trip protection mechanism 62 is time-delay double-metal sheet type thermal tripping mechanisms; Also be provided with arc-extinguishing mechanism 100 on the described base.
See Fig. 6 and Fig. 7, also be provided with the auxiliary switch 7 that is used to protect long-range electromagnetic trip mechanism 63 on the described base 1, described auxiliary switch 7 is one to be provided with the normally closed type sensitive switch of press handle 71.The end of incoming cables of described auxiliary switch 7 is electrically connected with screw-type connecting terminal components 81 in the power connection equipment 8, and the leading-out terminal of described auxiliary switch 7 is electrically connected with the solenoid 632 of described long-range electromagnetic trip mechanism 63.Described operating mechanism 5 comprises rotating shaft 52 and the driving member 53 that is driven by described rotating shaft 52, the upper end of the driving member 53 in the present embodiment is provided with curved surface 531 as stirring face, described driving member 53 is in the process that is driven by rotating shaft 52, the described face of stirring turns an angle, thereby presses or unclamp the press handle 71 of described auxiliary switch 7.
Also be provided with on the described base 1 and be used for the power connection equipment 8 that is connected with extraneous power supply, described power connection equipment 8 is provided with at least one screw-type connecting terminal components 81.Easy in order to draw, specifically not drawing on the figure is arranged on connecting terminal components 81 in the wiring hole, and only is to have drawn to be used to be provided with the wiring hole of screw-type connecting terminal components 81, and each wiring hole is being represented a connecting terminal components 81.
See Fig. 1 to Fig. 4, described input terminal 31 is arranged on the front end of base 1, and described outlet terminal 32 is arranged on the rear end of base 1;
See Fig. 8, the limit wall upper surface of described base 1 left end, being provided with a basic configuration is criss-cross stopper slot 9;
See Fig. 9 and Figure 10, the horizontal cross sectional geometry of described power connection equipment 8 is a rectangle, and two side ends respectively is provided with the location lug 82 of a protrusion before and after it; Described power connection equipment 8 is arranged in the described stopper slot 9, the left end limit wall of the left end protuberate basic unit 1 of described power connection equipment 8, and be provided with screw-type connecting terminal components 81 in the extension.
The thickness of described power connection equipment 8 is identical with the degree of depth of described stopper slot 9, and described loam cake 2 directly lid is pressed on described power connection equipment 8 upper surfaces.
Described input terminal 31 is vertical plug-in type connection terminals with described outlet terminal 32, and the central authorities of described input terminal 31 and described outlet terminal 32 are provided with the plug-in wiring hole 33 vertical with base.
In concrete practice, described input terminal 31 and described outlet terminal 32 also can adopt the screw-type binding post of the horizontal mode of connection.
Present embodiment has the following advantages:
(1) in the present embodiment, described trip gear is owing to comprise a long-range electromagnetic trip mechanism; Described long-range electromagnetic trip mechanism is horizontally set on the base, and is positioned at the side near outlet terminal of described dropout frizzen.By external circuits, can be when needed, allow this long-range electromagnetic trip mechanism by an electric current, thereby control make it trigger the dropout frizzen, finishes the action of Long-distance Control separating brake.
(2) in the present embodiment, also be provided with the auxiliary switch that is used to protect long-range electromagnetic trip mechanism on the described base, described auxiliary switch is one to be provided with the normally closed type sensitive switch of press handle.This normally closed type sensitive switch can be when need not the work of long-range electromagnetic trip mechanism, disconnects the power supply of long-range electromagnetic trip mechanism, avoiding long-time energising to cause burning coil in the old electromagnetic trip far away mechanism.
(3) in the present embodiment, described operating mechanism comprises rotating shaft and the driving member that is driven by described rotating shaft, and the press handle of described auxiliary switch is pressed or unclamped to described driving member in the process that is driven by rotating shaft.This kind structure can guarantee deciliter being consistent automatically of the power on/off of sensitive switch and dynamic/static contact.
(4) in the present embodiment, also be provided with on the described base and be used for the power connection equipment that is connected with extraneous power supply, described power connection equipment is provided with at least one screw-type connecting terminal components; By this power connection equipment, can insert external low-tension supply easily, thereby save the sky high cost that induction power supply is set in housing.
(5) in the present embodiment, the limit wall upper surface of described base left end, being provided with a basic configuration is criss-cross stopper slot, and the horizontal cross sectional geometry of described power connection equipment is a rectangle, and two side ends respectively is provided with the location lug of a protrusion before and after it; Described power connection equipment is arranged in the described stopper slot, the left end limit wall of the left end protuberate basic unit of described power connection equipment, and be provided with the screw-type connecting terminal components in the extension.Base and power connection equipment with this kind structure, it is comparatively convenient to install and use.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection range of the present utility model.
Claims (10)
1, a kind of single-phase circuit breaker comprises plastic feet (1), upper plastic cover (2) and is arranged on connector assembly (3), contact system (4), operating mechanism (5) and trip gear (6) on the base (1); Described connector assembly (3) comprises an input terminal (31) and an outlet terminal (32); Described contact system (4) comprises a moving contact (41) and a fixed contact (42); Described operating mechanism (5) comprises dropout frizzen (51); Described trip gear (6) comprises an overcurrent dropout protection mechanism (61) and an overlond trip protection mechanism (62), and described overcurrent dropout protection mechanism (61) and overlond trip protection mechanism (62) are vertically set on the base (1); It is characterized in that: described trip gear (6) also comprises a long-range electromagnetic trip mechanism (63); Described long-range electromagnetic trip mechanism (63) is horizontally set on the base (1), and is positioned at the side near outlet terminal (32) of described dropout frizzen (51).
2, single-phase circuit breaker according to claim 1 is characterized in that: described long-range electromagnetic trip mechanism (63) comprises the coil rack (631) that is provided with slide opening, be set in the solenoid (632) on the described coil rack (631) and be used to promote the moving iron core (633) of described dropout frizzen (51); Described moving iron core (633) can reciprocatingly move along slide opening, and can compress and promote described dropout frizzen (51) in the process that moves.
3, single-phase circuit breaker according to claim 1 is characterized in that: described overcurrent dropout protection mechanism (61) is a transient electromagnetic formula tripping mechanism, and described overlond trip protection mechanism (62) is a time-delay double-metal sheet type thermal tripping mechanism; Also be provided with arc-extinguishing mechanism (100) on the described base.
4, single-phase circuit breaker according to claim 1, it is characterized in that: also be provided with the auxiliary switch (7) that is used to protect long-range electromagnetic trip mechanism (63) on the described base (1), described auxiliary switch (7) is one to be provided with the normally closed type sensitive switch of press handle (71); The end of incoming cables of described auxiliary switch (7) is electrically connected with screw-type connecting terminal components (81) in the power connection equipment (8), and the leading-out terminal of described auxiliary switch (7) is electrically connected with the solenoid (632) of described long-range electromagnetic trip mechanism (63).
5, single-phase circuit breaker according to claim 4, it is characterized in that: described operating mechanism (5) comprises rotating shaft (52) and the driving member (53) that is driven by described rotating shaft (52), the press handle (71) of described auxiliary switch (7) is pressed or unclamped to described driving member (53) in the process that is driven by rotating shaft (52).
6, single-phase circuit breaker according to claim 1 is characterized in that: also be provided with on the described base (1) and be used for the power connection equipment (8) that is connected with extraneous power supply, described power connection equipment (8) is provided with at least one screw-type connecting terminal components (81).
7, single-phase circuit breaker according to claim 6 is characterized in that: described input terminal (31) is arranged on the front end of base (1), and described outlet terminal (32) is arranged on the rear end of base (1); The limit wall upper surface of described base (1) left end, being provided with a basic configuration is criss-cross stopper slot (9); The horizontal cross sectional geometry of described power connection equipment (8) is a rectangle, and two side ends respectively is provided with the location lug (82) of a protrusion before and after it; Described power connection equipment (8) is arranged in the described stopper slot (9), the left end limit wall of the left end protuberate basic unit (1) of described power connection equipment (8), and be provided with screw-type connecting terminal components (81) in the extension.
8, single-phase circuit breaker according to claim 7 is characterized in that:
The thickness of described power connection equipment (8) is identical with the degree of depth of described stopper slot (9), and described loam cake (2) directly lid is pressed on described power connection equipment (8) upper surface.
9, single-phase circuit breaker according to claim 1 is characterized in that: described input terminal (31) is screw-type binding post or vertical plug-in type connection terminal with described outlet terminal (32).
10, single-phase circuit breaker according to claim 9, it is characterized in that: described input terminal (31) is vertical plug-in type connection terminal with described outlet terminal (32), and the central authorities of described input terminal (31) and described outlet terminal (32) are provided with the plug-in wiring hole (33) vertical with base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201477741U CN201425926Y (en) | 2009-04-14 | 2009-04-14 | Single-phase circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201477741U CN201425926Y (en) | 2009-04-14 | 2009-04-14 | Single-phase circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201425926Y true CN201425926Y (en) | 2010-03-17 |
Family
ID=42025380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201477741U Expired - Fee Related CN201425926Y (en) | 2009-04-14 | 2009-04-14 | Single-phase circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201425926Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102222589A (en) * | 2011-05-17 | 2011-10-19 | 浙江天正电气股份有限公司 | Small-sized circuit breaker by remote control |
| CN101546679B (en) * | 2009-04-14 | 2012-01-11 | 浙江大华开关厂 | Single-phase circuit breaker |
| CN104637743A (en) * | 2013-11-11 | 2015-05-20 | 洛克威尔自动控制技术股份有限公司 | Circuit breaker operating system |
-
2009
- 2009-04-14 CN CN2009201477741U patent/CN201425926Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101546679B (en) * | 2009-04-14 | 2012-01-11 | 浙江大华开关厂 | Single-phase circuit breaker |
| CN102222589A (en) * | 2011-05-17 | 2011-10-19 | 浙江天正电气股份有限公司 | Small-sized circuit breaker by remote control |
| CN102222589B (en) * | 2011-05-17 | 2013-02-06 | 浙江天正电气股份有限公司 | Small-sized remote control circuit breaker |
| CN104637743A (en) * | 2013-11-11 | 2015-05-20 | 洛克威尔自动控制技术股份有限公司 | Circuit breaker operating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100317 Termination date: 20140414 |