CN202996744U - Circuit breaker for wiring purpose - Google Patents
Circuit breaker for wiring purpose Download PDFInfo
- Publication number
- CN202996744U CN202996744U CN2012203035704U CN201220303570U CN202996744U CN 202996744 U CN202996744 U CN 202996744U CN 2012203035704 U CN2012203035704 U CN 2012203035704U CN 201220303570 U CN201220303570 U CN 201220303570U CN 202996744 U CN202996744 U CN 202996744U
- Authority
- CN
- China
- Prior art keywords
- mentioned
- circuit breaker
- circuit
- wiring
- cross bar
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- H01H71/04—Means for indicating condition of the switching device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
-
- 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
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
-
- 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
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
- H01H71/164—Heating elements
-
- 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
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H71/7463—Adjusting only the electromagnetic mechanism
Abstract
The utility model relates to a circuit breaker for wiring purpose. The circuit breaker comprises a circuit breaker case to define the appearance; a fixed contact and a movable contact, which are arranged inside the circuit breaker case to receive the power supply from a circuit and transmit the power supply to a load side; a linkage part, which, in order to open or close the circuit, drives the movable contact to be contacted with or separated from the fixed contact; a heating part, which receives the overload current that is transmitted from the fixed contact and the movable contact and generates heat; a piece of bimetal, which is subjected to thermal deformation under the effect of the heat generated by the heating part; a transverse rod, which restrains the linkage part so as to keep the circuit in the open or closed state, but relieves the restraint on the linkage part if thermal deformation of the bimetal occurs; and also an adjusting switch, which is mounted on the circuit breaker case in a manner to be movable along the horizontal direction and is used to adjust the distance between the transverse rod and the bimetal. The circuit breaker for wiring purpose achieves the effect of adjusting the gap between the transverse rod and the bimetal relatively easily.
Description
Technical field
The utility model relates to the wiring circuit breaker.
Background technology
Generally speaking, wiring is protective circuit and load equipment is not transshipped and abnormal current affects power equipment with circuit breaker.This wiring uses circuit breaker under overload situations, utilize bimetallic (Bi-metal) to detect to transship and cut off circuit, in the situation that flow through abnormal current such as short circuit or earth fault, utilize moment to attract this abnormal current and form the magnet principle in magnetic field, cut off circuit.
On the other hand, irrelevant with artificial switching when in circuit during the abnormal electric current, use the circuit breaker automatic shutdown circuit by wiring, this is commonly called dropout.And, accessing to carry out when wiring uses the set multiplying power of circuit breaker to access in moment with wiring with the electric current of circuit breaker and thread off, this is called as instantaneous trip.
, have when flowing through transient current with in circuit breaker in this wiring, for the thermoelectricity magnetic-type overcurrent tripping device of user's capable of regulating transient current.Generally speaking, the small-sized wiring below 30A makes the inflow wiring directly flow to bimetallic with the electric current of circuit breaker with the thermoelectricity magnetic-type overcurrent tripping device that uses in circuit breaker, and the bimetallic distortion that utilizes thereby cause making the wiring circuit breaker tripping.
With reference to the accompanying drawings, the wiring of the thermoelectricity magnetic-type overcurrent tripping device that possesses conventional art described with circuit breaker.
Fig. 1 is the sectional arrangement drawing that shows the wiring use circuit breaker of the thermoelectricity magnetic-type overcurrent tripping device that possesses conventional art from the front, and Fig. 2 shows the wiring shown in Figure 1 sectional arrangement drawing of circuit breaker from the side.
As shown in Figures 1 and 2, wiring in the past comprises with circuit breaker: fixed contact 1 and mobile contact 2, be installed on the inside of shell C, and be used for obtaining the power supply supply and passing to load-side from circuit; Linkage section 3 makes above-mentioned mobile contact 2 and above-mentioned fixed contact 1 consist of closed circuit or open circuit; Overload current is detected in heating part 4; Thermal deformation occurs by means of the heat of above-mentioned heating part 4 in bimetallic 5; And cross bar 6, retrain, make aforementioned link mechanism section 3 keep closed circuit or open-circuit conditions, when overcurrent occurs, the action of above-mentioned bimetallic 5 is passed to aforementioned link mechanism section 3.
Attached number in the figure 8 is that lid is adjusted screw.Above-mentioned lid is adjusted screw 8 and is incorporated into above-mentioned cross bar 6, regulates the interval between above-mentioned fixed contact 1 and mobile contact 2.
With in circuit breaker, the overload current that occurs in being in the circuit breaker of closed circuit state passes to above-mentioned heating part 4 by above-mentioned fixed contact 1 and mobile contact 2 in this wiring in the past.And, by means of this overload current, produce heat in above-mentioned heating part 4, by means of the heat of above-mentioned heating part 4, thermal deformation occurs in above-mentioned bimetallic 5.
On the other hand, if thermal deformations occur in above-mentioned bimetallic 5, above-mentioned cross bar 6 thereby be rotated.And if above-mentioned cross bar 6 rotation, the constraint that is constrained for the aforementioned link mechanism section 3 of closed circuit state by means of above-mentioned cross bar 6 is disengaged.
Then, because the constraint of aforementioned link mechanism section 3 is disengaged, so under the effect of aforementioned link mechanism section 3, above-mentioned fixed contact 1 leaves with mobile contact 2, circuit conversion is open-circuit condition.Thereby, stop overload current to flow through constantly, the load equipment of protective circuit and load-side.
Carry out the size of the required rated current of this dropout action, according to the interval determination between above-mentioned bimetallic 5 and cross bar 6.Therefore, in circuit breaker is used in wiring in the past, in order to set rated current, the interval that dial 7 is regulated between above-mentioned bimetallics 5 and cross bar 6.But, for rotating above-mentioned dial 7, need to use the other instrument such as screwdriver, therefore rated current occurs regulate pretty troublesome shortcoming.
The utility model content
The utility model proposes for the problem that solves above-mentioned conventional art just, and the purpose of this utility model is to provide a kind of wiring circuit breaker that can regulate more simply rated current.
For reaching above-mentioned purpose, wiring of the present utility model comprises with a kind of form of the embodiment of circuit breaker: case for circuit breaker defines outward appearance; Fixed contact and mobile contact are installed on the inside of above-mentioned case for circuit breaker, are used for accepting the power supply supply and passing to load-side from circuit; Linkage section for the open circuit of realizing circuit or closed circuit above-mentioned mobile contact is driven, makes it contact with above-mentioned fixed contact or leave from above-mentioned fixed contact; Transmission and the heating of overload current are accepted in the heating part from above-mentioned fixed contact and mobile contact; Thermal deformation occurs by means of the heat of above-mentioned heating part generation in bimetallic; And cross bar, constraint aforementioned link mechanism section is in order to make circuit keep closed circuit or open-circuit condition, if the constraint of aforementioned link mechanism section is removed in above-mentioned bimetallic generation thermal deformation; Also comprise by-pass cock, can be installed on movably on above-mentioned case for circuit breaker by along continuous straight runs, regulate the distance between above-mentioned cross bar and bimetallic.
As preferably, above-mentioned by-pass cock comprises:
Operating portion is exposed to the outside of above-mentioned case for circuit breaker, according to user's operation, moves with respect to above-mentioned case for circuit breaker along continuous straight runs; And
Connecting portion is incorporated into above-mentioned cross bar, and the interlock that moves horizontally with aforesaid operations section moves horizontally above-mentioned cross bar.
As preferably, in aforesaid operations section, possesses the operation knob that protrudes upward above aforesaid operations section.
As preferably, also comprise mark part, be provided on above-mentioned case for circuit breaker, show the rated current definite along with the movement of above-mentioned by-pass cock.
With in the embodiment of circuit breaker, by means of the by-pass cock that along continuous straight runs moves, regulate the interval between cross bar and bimetallic in wiring of the present utility model.Therefore, according to embodiment of the present utility model, have and to regulate more simply for the cross bar of regulating rated current and the effect at the interval between bimetallic.
Description of drawings
Fig. 1 is the sectional arrangement drawing that shows the wiring use circuit breaker of the thermoelectricity magnetic-type overcurrent tripping device that possesses conventional art from the front.
Fig. 2 shows the wiring shown in Figure 1 sectional arrangement drawing of circuit breaker from the side.
Fig. 3 shows the wiring of the present utility model sectional arrangement drawing of the 1st embodiment of circuit breaker from the side.
Fig. 4 is the stereogram that shows the major part of the 1st embodiment of the present utility model.
Fig. 5 shows to consist of the wiring of the present utility model by-pass cock of circuit breaker the 2nd embodiment and the profile of cross bar.
Embodiment
With reference to the accompanying drawings, further the embodiment of wiring of the present utility model with circuit breaker is elaborated.
Fig. 3 shows the wiring of the present utility model sectional arrangement drawing of the 1st embodiment of circuit breaker from the side, and Fig. 4 is the stereogram that shows the major part of the 1st embodiment of the present utility model.In inscape of the present utility model, for the inscape identical with conventional art, quote the drawing reference numeral of Fig. 1 and Fig. 2, and omit detailed description thereof.
As shown in Figures 3 and 4, the wiring of the present embodiment comprises for the by-pass cock 10 of regulating the distance between cross bar 6 and bimetallic 5 with circuit breaker.Above-mentioned by-pass cock 10 can be installed movably with respect to case for circuit breaker C along continuous straight runs.Above-mentioned by-pass cock 10 comprises operating portion 11 and connecting portion 12.
Can say in fact, aforesaid operations section 11 is positioned at the outside of above-mentioned case for circuit breaker C, and above-mentioned connecting portion 12 is positioned at the inside of above-mentioned case for circuit breaker C.And, on aforesaid operations section 11, can possess for the user and operate operation knob 13 easily.Aforesaid operations knob 13 can be above aforesaid operations section 11 protrusion.
In addition, above-mentioned connecting portion 12 can extend from a side of aforesaid operations section 11, is incorporated into above-mentioned cross bar 6.As another example, above-mentioned connecting portion 12 can extend from a side of above-mentioned cross bar 6, is incorporated into aforesaid operations section 11.That is to say, aforesaid operations section 11 and connecting portion 12 can be integrally formed, and perhaps split forms and interconnects.
And, be formed with cut on the one side of above-mentioned case for circuit breaker C.Essence, above-mentioned cut are cut by the part of the one side of above-mentioned case for circuit breaker C and are formed.In addition, on the surface of above-mentioned case for circuit breaker C, possess mark part 15 is arranged.Above-mentioned mark part 15 can be on corresponding to the above-mentioned case for circuit breaker C surface of above-mentioned cut both sides sign respectively, show the size of rated current.For example, as shown in Figure 4, above-mentioned mark part may be displayed on " 0.8 " and " 1.0 " that identify on the right side of above-mentioned cut of the left side sign of above-mentioned cut.Can demonstrate in this case, at above-mentioned by-pass cock 10, namely, move in aforesaid operations section 11 under the state in left side of above-mentioned cut, rated current is arranged to 0.8 times of design load, move in aforesaid operations section 11 under the state on right side of above-mentioned cut, rated current is arranged to 1.0 times of design load.Certainly, essence, on above-mentioned mark part 15, the numerical value of sign is position according to above-mentioned by-pass cock 10, that is, and according to being set by the size of the determined rated current of distance of above-mentioned cross bar 6 and bimetallic 5.
Therefore, in the present embodiment, do not use other instrument, make above-mentioned by-pass cock 10, be in fact that aforesaid operations section 11 along continuous straight runs are moved, thereby can regulate rated current.Therefore, according to the present embodiment, can regulate more simply rated current.
With reference to the accompanying drawings, further 2nd embodiment of wiring of the present utility model with circuit breaker is elaborated.
Fig. 5 shows to consist of the wiring of the present utility model by-pass cock of circuit breaker the 2nd embodiment and the profile of cross bar.In the inscape of the present embodiment, for the inscape identical with the inscape of above-mentioned the utility model the 1st embodiment, quote the drawing reference numeral of Fig. 3 and Fig. 4, omit detailed description thereof.
As shown in Figure 5, in the present embodiment, be equipped with on cross bar 6 projection 61 is installed.And by-pass cock 10 is in fact that an end of connecting portion 12 is inserted into above-mentioned installation projection 61.Therefore, in the present embodiment, be in fact that above-mentioned installation projection 61 is stoped by the external force that above-mentioned by-pass cock 10 along continuous straight runs move, thereby can prevent the phenomenon that above-mentioned connecting portion 12 breaks away from from above-mentioned cross bar 6.
In the category of this basic fundamental thought of the present utility model, the person of an ordinary skill in the technical field can carry out other various deformation, and interest field of the present utility model should make an explanation based on utility model right claim.
Claims (4)
1. wiring circuit breaker comprises:
Case for circuit breaker defines outward appearance;
Fixed contact and mobile contact are installed on the inside of above-mentioned case for circuit breaker, are used for accepting the power supply supply and passing to load-side from circuit;
Linkage section for the open circuit of realizing circuit or closed circuit above-mentioned mobile contact is driven, makes it contact with above-mentioned fixed contact or leave from above-mentioned fixed contact;
Transmission and the heating of overload current are accepted in the heating part from above-mentioned fixed contact and mobile contact;
Thermal deformation occurs by means of the heat of above-mentioned heating part generation in bimetallic; And
Cross bar, constraint aforementioned link mechanism section is in order to make circuit keep closed circuit or open-circuit condition, if the constraint of aforementioned link mechanism section is removed in above-mentioned bimetallic generation thermal deformation;
It is characterized in that:
Also comprise by-pass cock, can be installed on movably on above-mentioned case for circuit breaker by along continuous straight runs, regulate the distance between above-mentioned cross bar and bimetallic.
2. wiring circuit breaker according to claim 1, is characterized in that, above-mentioned by-pass cock comprises:
Operating portion is exposed to the outside of above-mentioned case for circuit breaker, according to user's operation, moves with respect to above-mentioned case for circuit breaker along continuous straight runs; And
Connecting portion is incorporated into above-mentioned cross bar, and the interlock that moves horizontally with aforesaid operations section moves horizontally above-mentioned cross bar.
3. wiring circuit breaker according to claim 2 is characterized in that: in aforesaid operations section, possess the operation knob that protrudes upward above aforesaid operations section.
4. the described wiring circuit breaker of any one according to claim 1 to 3, is characterized in that: also comprise mark part, be provided on above-mentioned case for circuit breaker, show the rated current definite along with the movement of above-mentioned by-pass cock.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2020110005808U KR200477247Y1 (en) | 2011-06-24 | 2011-06-24 | Overcurrent control switch for curcuit breaker |
| KR20-2011-0005808 | 2011-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202996744U true CN202996744U (en) | 2013-06-12 |
Family
ID=48567886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203035704U Expired - Fee Related CN202996744U (en) | 2011-06-24 | 2012-06-25 | Circuit breaker for wiring purpose |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR200477247Y1 (en) |
| CN (1) | CN202996744U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124114A (en) * | 2014-06-24 | 2014-10-29 | 上海诺雅克电气有限公司 | Short-circuit protection action current adjusting method and device for multi-pole magnetic release |
| CN106206199A (en) * | 2016-09-26 | 2016-12-07 | 常熟开关制造有限公司(原常熟开关厂） | The trip gear of low-voltage circuit breaker |
| CN106229237A (en) * | 2016-09-26 | 2016-12-14 | 常熟开关制造有限公司(原常熟开关厂） | The trip gear of low-pressure plastic shell circuit breaker |
| CN106252177B (en) * | 2016-09-26 | 2018-05-22 | 常熟开关制造有限公司(原常熟开关厂） | The trip gear of low-pressure plastic shell circuit breaker |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200196958Y1 (en) * | 1998-06-19 | 2000-10-02 | 이종수 | Bi-metal cross bar in mccb |
| KR100451770B1 (en) * | 2002-04-01 | 2004-10-08 | 엘지산전 주식회사 | molded case circuit breaker |
| KR100550270B1 (en) * | 2003-12-19 | 2006-02-08 | 엘에스산전 주식회사 | Trip mechanisim of molded case circuit breaker |
-
2011
- 2011-06-24 KR KR2020110005808U patent/KR200477247Y1/en not_active IP Right Cessation
-
2012
- 2012-06-25 CN CN2012203035704U patent/CN202996744U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124114A (en) * | 2014-06-24 | 2014-10-29 | 上海诺雅克电气有限公司 | Short-circuit protection action current adjusting method and device for multi-pole magnetic release |
| CN104124114B (en) * | 2014-06-24 | 2016-08-24 | 上海诺雅克电气有限公司 | The short-circuit protection action current control method of multipolar electromagnetic electrical apparatus release and device |
| US9991078B2 (en) | 2014-06-24 | 2018-06-05 | Noark Electrics (Shanghai) Co. Ltd. | Short-current protection action current adjusting method and device thereof and device for multi-pole electromagnetic release |
| CN106206199A (en) * | 2016-09-26 | 2016-12-07 | 常熟开关制造有限公司(原常熟开关厂） | The trip gear of low-voltage circuit breaker |
| CN106229237A (en) * | 2016-09-26 | 2016-12-14 | 常熟开关制造有限公司(原常熟开关厂） | The trip gear of low-pressure plastic shell circuit breaker |
| CN106252177B (en) * | 2016-09-26 | 2018-05-22 | 常熟开关制造有限公司(原常熟开关厂） | The trip gear of low-pressure plastic shell circuit breaker |
| CN106229237B (en) * | 2016-09-26 | 2018-06-05 | 常熟开关制造有限公司(原常熟开关厂） | The trip gear of low-pressure plastic shell circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20130000095U (en) | 2013-01-03 |
| KR200477247Y1 (en) | 2015-05-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202996744U (en) | Circuit breaker for wiring purpose | |
| KR100809910B1 (en) | Digital cabinet panel | |
| CN100395856C (en) | Thermomagnetic releaser and its off-indicator | |
| CN101685728B (en) | Thermomagnetic tripper of breaker | |
| CN101976640B (en) | Low-voltage breaker tripper | |
| US8093965B2 (en) | Add-on trip module for multi-pole circuit breaker | |
| CN104576245B (en) | Gap adjusting method in trip mechanism of molded case circuit breaker | |
| JP4889555B2 (en) | Circuit breaker | |
| CN201332071Y (en) | Thermomagnetic release for circuit breaker | |
| US20140166452A1 (en) | Low voltage circuit breaker with a control device for re-closing said low voltage circuit breaker | |
| CN202259078U (en) | Small electricity leakage circuit breaker with width of 18mm | |
| CN2906901Y (en) | Release and reset actuating mechanism | |
| US8093964B2 (en) | Add-on trip module for multi-pole circuit breaker | |
| CN205789817U (en) | A kind of breaker of plastic casing | |
| US8035467B2 (en) | Add-on trip module for multi-pole circuit breaker | |
| CN201838530U (en) | Tripping device of low-voltage circuit breaker | |
| JP2010176906A (en) | Circuit breaker | |
| ITMI20080329U1 (en) | AUTOMATIC BIPOLAR SWITCH FOR LOW VOLTAGE APPLICATIONS | |
| CN205282426U (en) | Control and protection switch | |
| CN217768267U (en) | Thermal tripping structure and circuit breaker | |
| CN201332075Y (en) | Integrated suction-beating type instantaneous release of breaker | |
| CN203103243U (en) | Instantaneous tripping mechanism for miniature circuit breaker | |
| RU157825U1 (en) | AUTOMATIC SWITCH WITH CHECK UNIT | |
| CN210778440U (en) | Overload alarm does not detain optional moulded case circuit breaker of function | |
| CN201262927Y (en) | Electromagnet type circuit breaker with short circuit self-locking function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20170625 |