CN206040572U - Overload of circuit breaker not trip gear that reports to police - Google Patents
Overload of circuit breaker not trip gear that reports to police Download PDFInfo
- Publication number
- CN206040572U CN206040572U CN201620779564.4U CN201620779564U CN206040572U CN 206040572 U CN206040572 U CN 206040572U CN 201620779564 U CN201620779564 U CN 201620779564U CN 206040572 U CN206040572 U CN 206040572U
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- China
- Prior art keywords
- bar
- bimetal leaf
- draw
- left socle
- overload
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Abstract
The utility model provides an overload of circuit breaker not trip gear that reports to police, includes left socle, right branch frame, traction lever, bimetallic assembly, micro -gap switch and reset spring, the traction lever activity is set up between left socle and right branch frame rotatablely, and totally three groups of bimetallic assembly installs in the left socle inboard corresponding to three -phase operating current signal setting and continuous with the traction lever transmission respectively, micro -gap switch, and reset spring connects provides the elasticity that the traction lever restores to the throne between right branch frame and traction lever. The utility model discloses simple structure, easily assembly, receive the thermal flexure directly to drive the traction lever through bimetallic strip and rotate, and then micro -switches, alarm output contact signal has improved the continuity of power supply.
Description
Technical field
This utility model is related to low-voltage electrical apparatus, more particularly to a kind of overload-alarm non-tripping device of chopper.
Background technology
Now, increasing electricity consumption place, such as fire-fighting system, propose very high requirement to the seriality of electricity consumption.
For the seriality for ensureing to power, the overload-alarm non-tripping device of chopper is widely adopted.It is arranged on disconnected
Road device load end, directly gather A phase, B phase, C phase operating current signal, when load current more than certain multiple chopper it is specified
During electric current (In), continue in the regular hour, chopper can provide an alarm actuating contact signal, remind user load super negative
Lotus, and do not perform dropout.
Utility model content
The purpose of this utility model, is just to provide for a kind of overload-alarm non-tripping of the chopper with new structure
Device.
To achieve these goals, this utility model employs technical scheme below：A kind of overload-alarm of chopper is not
Trip gear, for acquisition testing three-phase operating current signal, realizes alarm non-tripping, including left socle, right support, traction
Bar, bimetal leaf component, microswitch and back-moving spring；Draw bar activity is erected between left socle and right support rotatably,
Totally three groups of uniform intervals are arranged and are connected with draw bar transmission respectively bimetal leaf component, and microswitch is arranged in left socle
Side, back-moving spring are connected between right support and draw bar and provide the elastic force that draw bar resets；When chopper has overcurrent,
Bimetal leaf is heated generation bending, drives draw bar to rotate clockwise, and then triggers the contact of microswitch, makes contact by normally opened
Be converted to normally closed, provide the user with an overload-alarm contact signal.
The draw bar includes drawing bar body, is interval with the card of three oblique upper openings in traction bar body
Groove, is provided with the projection for positioning towed bar in traction bar body left end, is provided with traction bar body right-hand member and resets for connecting
First pillar of spring.
The bimetal leaf component includes heater element, bimetal leaf and adjusting screw, and bimetal leaf is fixed on heating unit
Part upper end oblique top is stretched out, adjusting screw be connected to bimetal leaf upper end be correspondingly formed it is skewed, and with draw bar on
Draw-in groove cutting ferrule is connected.
The left socle is provided with locating support, is connected with Positioning screw on locating support, and the Positioning screw is corresponded to and led
The projection drawn on bar is arranged, and the return state of draw bar can be positioned.
The right support is provided with the second pillar for connecting back-moving spring, and the back-moving spring is connected to the first pillar
And second between pillar.
The overload-alarm non-tripping device of chopper of the present utility model as a result of above technical scheme, with following
Significant advantage and feature：
1), simple structure, it is easy to assemble；
2), directly drive draw bar to rotate by bimetal leaf heated bending, and then trigger microswitch, output is reported to the police and touched
Point signal.
3), improve the seriality of power supply.
Description of the drawings
Overall structure block diagrams of the Fig. 1 for the overload-alarm non-tripping device of this utility model chopper.
Structural representations of the Fig. 2 for the draw bar in this utility model.
Structural representations of the Fig. 3 for the bimetal leaf component in this utility model.
Structural representations of the Fig. 4 for the left socle in this utility model.
Structural representations of the Fig. 5 for the right support in this utility model.
Specific embodiment
This utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1, coordinate referring to Fig. 2, Fig. 3, Fig. 4, Fig. 5, the overload-alarm non-tripping of chopper of the present utility model is filled
Put, including left socle 1, right support 2, draw bar 3, bimetal leaf component 4, microswitch 5 and back-moving spring 6.Draw bar activity
It is erected between left socle and right support rotatably, totally three groups of uniform intervals are arranged and passed with draw bar respectively bimetal leaf component
Dynamic to be connected, microswitch is arranged on the inside of left socle, and back-moving spring is connected between right support and draw bar and provides draw bar again
The elastic force of position；When chopper has overcurrent, bimetal leaf is heated generation bending, drives draw bar to rotate clockwise, and then
The contact of triggering microswitch, makes contact be converted to normally closed by normally opened, provides the user with an overload-alarm contact signal.
Draw bar activity is erected between left socle and right support rotatably, and bimetal leaf component corresponds to three-phase for totally three groups
Operating current signal is arranged and is connected with draw bar transmission respectively, and microswitch is arranged on the inside of left socle, back-moving spring connection
The elastic force that draw bar resets is provided between right support and draw bar；When chopper has overcurrent, bimetal leaf receives delivery in hot weather
Raw bending, drives draw bar to rotate, and then triggers the contact of microswitch, contact is converted to normally closed by normally opened, carries to user
For an overload-alarm contact signal.
Coordinate referring to Fig. 2, the draw bar 3 in this utility model includes drawing bar body 31, be spaced in traction bar body
The draw-in groove 32 of three oblique upper openings is provided with, and the projection 33 for positioning towed bar is provided with traction bar body left end, is being led
Draw bar body right-hand member and be provided with the first pillar 34 for connecting back-moving spring.
Coordinate referring to Fig. 3, the bimetal leaf component 4 in this utility model includes heater element 41, bimetal leaf 42 and adjusts
Section screw 43, bimetal leaf are fixed on heater element upper end oblique top and stretch out, and adjusting screw is connected to bimetal leaf upper end
It is correspondingly formed skewed, and is connected with the draw-in groove cutting ferrule on draw bar.
Coordinate referring to Fig. 4, the left socle 1 in this utility model is provided with locating support 11, it is fixed to be connected with locating support
Position screw 12, the Positioning screw arrange corresponding to the projection on draw bar, the return state of draw bar can be positioned.
Coordinate referring to Fig. 5, the right support 2 in this utility model is provided with the second pillar 21 for connecting back-moving spring,
Back-moving spring 6 is connected between the first pillar 34 and the second pillar 21.
Course of work principle of the present utility model is, when load current is more than the breaker rated current (In) of certain multiple
When, continuing in the regular hour, bimetal leaf is heated generation bending, drives draw bar to rotate clockwise by adjusting screw,
Draw bar turns an angle and then triggers the contact of microswitch, contact is converted to normally closed by normally opened, provides the user with one
Individual overload (overload) alarm actuating contact signal, reminds user load over loading, and does not perform dropout, it is ensured that power supply it is continuous
Property.
Claims (3)
1. a kind of overload-alarm non-tripping device of chopper, for acquisition testing three-phase operating current signal, realizes reporting to the police not
Thread off, it is characterised in that：Including left socle, right support, draw bar, bimetal leaf component, microswitch and back-moving spring；Traction
Bar activity is erected between left socle and right support rotatably, bimetal leaf component totally three groups of uniform intervals arrange and respectively with lead
Draw bar transmission to be connected, microswitch is arranged on the inside of left socle, back-moving spring is connected to provide between right support and draw bar and leads
Draw the elastic force of bar reset；
The draw bar includes drawing bar body, is interval with the draw-in groove of three oblique upper openings in traction bar body,
Traction bar body or so two ends are provided with the projection for positioning towed bar, are provided with for connecting reset bullet in traction bar body right-hand member
First pillar of spring；
The bimetal leaf component includes heater element, bimetal leaf and adjusting screw, and bimetal leaf is fixed on heater element
End and oblique top stretch out, adjusting screw be connected to bimetal leaf upper end be correspondingly formed it is skewed, and with draw bar on draw-in groove
Cutting ferrule is connected.
2. the overload-alarm non-tripping device of chopper according to claim 1, it is characterised in that：Set on the left socle
There is locating support, on locating support, be connected with Positioning screw, the Positioning screw is arranged corresponding to the projection on draw bar, can be to leading
The return state for drawing bar is positioned.
3. the overload-alarm non-tripping device of chopper according to claim 1, it is characterised in that：Set on the right support
There is the second pillar for connecting back-moving spring, the back-moving spring is connected between the first pillar and the second pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620779564.4U CN206040572U (en) | 2016-07-22 | 2016-07-22 | Overload of circuit breaker not trip gear that reports to police |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620779564.4U CN206040572U (en) | 2016-07-22 | 2016-07-22 | Overload of circuit breaker not trip gear that reports to police |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206040572U true CN206040572U (en) | 2017-03-22 |
Family
ID=58311561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620779564.4U Active CN206040572U (en) | 2016-07-22 | 2016-07-22 | Overload of circuit breaker not trip gear that reports to police |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206040572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112185717A (en) * | 2020-09-24 | 2021-01-05 | 联想(北京)有限公司 | Balancing pole and touch device |
-
2016
- 2016-07-22 CN CN201620779564.4U patent/CN206040572U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112185717A (en) * | 2020-09-24 | 2021-01-05 | 联想(北京)有限公司 | Balancing pole and touch device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |