CN104979142A - Release and breaker with release - Google Patents
Release and breaker with release Download PDFInfo
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- CN104979142A CN104979142A CN201410145381.2A CN201410145381A CN104979142A CN 104979142 A CN104979142 A CN 104979142A CN 201410145381 A CN201410145381 A CN 201410145381A CN 104979142 A CN104979142 A CN 104979142A
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- release
- wiring board
- electric
- conductor
- measurement
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Abstract
The invention provides a release and a breaker with a release. The release is provided with a dielectric test button, a circuit board and an electrode slice, and further comprises a conductive member which has one end mechanically and electrically connected with the circuit board; an execution member which extends to pass through the circuit board, the first end, which is disposed at one side of the circuit, of the execution member and the dielectric test button are connected or form one body, and the second end, which is disposed at the other side of the circuit board, of the execution member is disposed nearby the second end of the conductive member or is electrically connected with the second end of the conductive member; and a power drawing member which is disposed nearby the second end of the conductive member and is connected with the electrode slice of the release or is a part of the electrode slice. The release provided by the invention is simple in structure, occupies less space and facilitates miniaturization of the release and the breaker provided with the release.
Description
Technical field
The present invention relates to release and the circuit breaker with release, more specifically, relate to the release and circuit breaker with measurement button.
Background technology
Circuit breaker is the common components of electric field, for connecting and breaking current, and provides protection when overcurrent or short circuit to circuit and equipment.Many circuit breakers all have release, in order to release holding mechanism circuit breaker are disconnected automatically.
When carrying out measurement to circuit breaker, usually on the electrode slice of the release of circuit breaker, apply high voltage carry out puncture voltage between test electrode (because the electrode slice of the electrode slice of the main part of circuit breaker and the release of circuit breaker is electrical communication, therefore, also the puncture voltage that high voltage comes between test electrode can be applied on the electrode slice of the main part of circuit breaker, the two there is no substantial differences), like this, test voltage is often far away higher than the operating voltage stood during normal operation of circuit breaker.On the other hand, the wiring board of the electrode slice of the release of circuit breaker and the release of circuit breaker is such as electric connection between control circuit board, like this, when carrying out measurement, be necessary to disconnect the electrical connection between electrode slice and wiring board, otherwise the wiring board of the release of circuit breaker possibly destroy by high test voltage.In the prior art, the release of this kind of circuit breaker has measurement button usually, operator can make electric power between the wiring board of the release of circuit breaker and each electrode slice of the release of circuit breaker disconnect, to carry out measurement between each electrode slice of the release of circuit breaker by this measurement button of manipulation.On the other hand, the present inventor finds, the circuit breaker on current market normally arranges an independent switching device between the electrode slice of its release and wiring board, and operator realizes between wiring board and electrode slice by this switching device of switch electrically separated.But, the most complex structure of switching device of the release of circuit breaker of the prior art, and volume is larger, thus need to occupy more circuit breaker internal space, thus make the miniaturization of circuit breaker and release thereof become difficulty, or be difficult to the switching device for measurement installing structure like this in the circuit breaker or release of miniaturization.
Like this, there is so a kind of demand, namely a kind of release for circuit breaker is provided, the simple and small volume of the switching device structure for measurement of the release of this circuit breaker, thus be conducive to the miniaturization of circuit breaker and/or its release.
Summary of the invention
According to above-mentioned shortcoming and defect, the object of the invention is at least to solve the above-mentioned problems in the prior art.
In the preferred embodiment of the present invention, a kind of release for circuit breaker is provided, this release has measurement button, wiring board and electrode slice, operator makes electric power between the wiring board of release and each electrode slice of release disconnect by this measurement button of manipulation, to carry out measurement between each electrode slice of release, wherein, this release also comprises: electric-conductor, and the first end of this electric-conductor mechanically and is electrically connected with described wiring board, executive item, this executive item extends through described wiring board, and the first end being positioned at this wiring board side of this executive item is connected with described measurement button or becomes to be integrated, near the second end that second end being positioned at described wiring board opposite side of this executive item is positioned at described electric-conductor or be electrically connected with the second end of this electric-conductor, and power taking part, this power taking part is positioned near the second end of described electric-conductor, and this power taking part is electrically connected with the described electrode slice of release or be the part of described electrode slice, wherein, this release is configured to make operator by manipulating described measurement button, thus make described measurement button towards or move away from described wiring board, with make described executive item towards or away from the motion of described power taking part, contact to make described electric-conductor or leave described power taking part, thus realize electric connectivity or disconnection between described wiring board and each electrode slice of release, to make release normally work or to carry out measurement.Thus, in the present invention, executive item due to the switching device for measurement (comprising the structure members such as aforesaid measurement button, executive item, electric-conductor) of release wears the wiring board by release, instead of outside wiring board, arrange separately one for the switching device of measurement as of the prior art, like this, switching device for measurement of the present invention dexterously and make use of the inner space of release fully, thus be conducive to the miniaturization of release, simultaneously, its structure is simple, easy to operate.
In the above embodiment of the present invention, preferably, described electric-conductor is electroconductive elastic sheet, and the first end of this electroconductive elastic sheet mechanically and is electrically connected with described wiring board, and the second end of this electroconductive elastic sheet is in cantilever position.Alternatively, described electric-conductor can be also conduction flexible cord, and the first end of this conduction flexible cord mechanically and is electrically connected with described wiring board, and the second end of this conduction flexible cord is electrically connected with the second end of described executive item.Certainly, electric-conductor can also have other structure and connected mode, actuates and makes wiring board obtain electric or dead electricity to contact with power taking part with being separated as long as can realize being performed part.
In the above embodiment of the present invention, preferably, this release also comprises the stop tab of the motion for limiting described measurement button.Still more preferably, described stop tab is arranged on described measurement button.
In above-mentioned any embodiment of the present invention, further preferably, this release also comprises the back-moving spring being provided for measurement push-button reset.Further preferably, described back-moving spring one end is resisted against on described wiring board, and the other end is fixedly connected with described measurement button or described executive item.Further preferably, the part extending through described wiring board of described executive item is stem, and described back-moving spring is set on this stem.
Like this, when release normally works, this stop tab can limit the position of measurement button and executive item, thus makes electric-conductor contact electricity getting part well, and now back-moving spring is in force state, such as compression or extended state; When needs carry out measurement, stop tab is left from the position limiting measurement button and executive item, thus measurement button and executive item are moved away from electric-conductor under the effect of back-moving spring, thus make electric-conductor leave power taking part under its own resilient effect or under the drive of executive item, thus electric power between the wiring board of release and the electrode slice of release is disconnected, afterwards, high voltage can be applied to carry out measurement on the electrode slice of release.
In above-mentioned any embodiment of the present invention, further preferably, when electric-conductor is electroconductive elastic sheet, described electroconductive elastic sheet has enough elasticity with the resetting device making this electroconductive elastic sheet can be used as described measurement button.In this case, the back-moving spring in above embodiment can be dispensed, thus structure is simplified further, be conducive to the miniaturization of release.
In above-mentioned any embodiment of the present invention, further preferably, described electric-conductor is configured to make when carrying out measurement between the electrode slice of this release, and the second end of this electric-conductor is close to the surface of this wiring board to make the distance between electric-conductor and power taking part large as far as possible.Thus, electric-conductor and the abundant electric isolution of power taking part can be ensured, or conversely, compared with not being close to the situation on the surface of this wiring board with the second end of electric-conductor, distance between wiring board and power taking part can keep less, thus is conducive to the miniaturization of release.
Further preferably, in the above embodiment of the present invention, described electric-conductor is the U-shaped shell fragment be made up of two sides and the base that connects described two sides, a side of this U-shaped shell fragment mechanically and is electrically connected with described wiring board, another side is in cantilever position, and this U-shaped shell fragment place plane is substantially vertical with described wiring board place plane.Thus, electroconductive elastic sheet has good elasticity, durable in use, and is conducive to it when not being performed part pressing, returns to the position on the surface being close to wiring board.
The present invention also provide a kind of comprise as above-described embodiment arbitrary as described in the circuit breaker of release.
Will be appreciated that, foregoing description is only used to exemplary object, instead of will limit the scope of the invention.
Accompanying drawing explanation
Above-mentioned and the further feature of exemplary embodiment of the present invention and advantage will become more obvious from detailed description with the accompanying drawing below, and this description and accompanying drawing are only for exemplary purpose instead of limit the scope of the invention by any way, wherein:
Fig. 1 is the 3-D view with the outward appearance of the circuit breaker of release illustrated according to a preferred embodiment of the invention;
Fig. 2 is the 3-D view of the switching device for measurement of the release illustrated according to a preferred embodiment of the invention, and wherein the electroconductive elastic sheet of release and power taking part are in off-state;
Fig. 3 is the 3-D view of the switching device for measurement of the release illustrated according to a preferred embodiment of the invention, and wherein the electroconductive elastic sheet of release and power taking part are in on-state;
Fig. 4 is the 3-D view of the switching device for measurement of the release illustrated according to a preferred embodiment of the invention, and wherein compared with the embodiment shown in Fig. 2, the wiring board of release is omitted;
Fig. 5 is the 3-D view of a variant embodiment of the switching device for measurement of the release illustrated according to a preferred embodiment of the invention; And
Fig. 6 is the 3-D view of another variant embodiment of the switching device for measurement of the release illustrated according to a preferred embodiment of the invention.
Embodiment
Each exemplary embodiment of the present invention is described below with reference to accompanying drawings.
Aforementioned and other technology contents, feature and effect for the present invention, at following cooperation reference accompanying drawing in the detailed description of embodiment, can clearly present.The direction term mentioned in following examples such as: upper and lower, left and right, front or rear etc., is only the direction with reference to accompanying drawing.Therefore, the direction term of use is used to illustrate and is not used for limiting the present invention, and in addition, in whole embodiment, identical drawing reference numeral represents identical element.
First with reference to Fig. 1, it is the 3-D view with the outward appearance of the circuit breaker of release illustrated according to a preferred embodiment of the invention.As shown in Figure 1, the release 1 that circuit breaker according to a preferred embodiment of the invention has breaker body part 2 and is installed in breaker body part 2, this release 1 has the switching device 10 for measurement, the measurement button (the measurement button 101 see in Fig. 2) of this switching device 10 exposes from the surface of shell of the release 1 of circuit breaker, and operator (tester) can make the wiring board of release and the electrode slice of release disconnect to carry out measurement between the electrode slice of release by this measurement button of manipulation.
Following with reference to Fig. 2 and 3, they are 3-D views of the switching device for measurement of the release illustrated according to a preferred embodiment of the invention, wherein, in fig. 2, electroconductive elastic sheet 203 and the power taking part 401 of release are in off-state, in figure 3, the electroconductive elastic sheet 203 of release is in on-state with power taking part 401.Notice, in figs 2 and 3, some circumferential component, the such as housing of release 1, be removed so that observe the concrete structure of the switching device for measurement.
With reference to Fig. 2 and 3, release according to this preferred embodiment of the invention comprises measurement button 101, stop tab 103, executive item 105, back-moving spring 107, first line plate 201, second wiring board 301, electroconductive elastic sheet 203 and power taking part 401.Wherein, the switching device for measurement mentioned in describing the invention is appreciated that as by aforesaid measurement button, executive item, the device of the associated components compositions such as electroconductive elastic sheet, certainly, term " switching device for measurement " is used to be only used to the convenience describing and understand, be not intended to clearly one or more the regarding as in above-mentioned parts be belonged to or do not belong to " switching device for measurement ", such as, wiring board can be interpreted as the part of " switching device for measurement ", or, not the part of " switching device for measurement " but a part for the release of circuit breaker.
The top of measurement button 101 can be exposed (see Fig. 1) from the housing of release 1, and in this embodiment, top has flat recess and uses straight screwdriver to screw for operator and press this measurement button.In this embodiment, measurement button 101 is located in the second wiring board 301 can move up and down in this second wiring board 301.In alternative embodiments, the motion of measurement button 101 also can be guided by other guiding structural.
Stop tab 103 is arranged on measurement button 101, for limiting the motion of measurement button 101.In alternative embodiments, stop tab can have structure and the position of other form, such as, can be positioned on executive item 105 as described below.
Executive item 105 has the stem (supporting leg of square column type as shown in Figure 2) extending through first line plate 201, back-moving spring 107 is set on this stem, and, back-moving spring 107 one end is resisted against on first line plate 201, the other end and measurement button 101(in alternative embodiments also can with executive item 105) be fixedly connected with.Like this, stop tab 103 can cooperate mutually with back-moving spring 107 and realize moving up and down of executive item 105.Particularly, when normal operation of circuit breaker, measurement button 101 is in depressed position, back-moving spring 107 is in compressive state, to limit the position of measurement button 101 and executive item 105 and to move upward on the housing that stop tab 103 such as can be fastened on release 1, thus electroconductive elastic sheet 203 is made to keep contact electricity getting part 401 well, when needs carry out measurement, operator can screw measurement button 101 with straight screwdriver, such as turn over 90 degree, leave from the position limiting measurement button 101 and executive item 105 to make stop tab 103, in this case, measurement button 101 and executive item 105 move away from electroconductive elastic sheet 203 under the elastic force effect upwards of back-moving spring 107, thus make electroconductive elastic sheet 203 under its own resilient effect, upwards can make reseting movement, thus leave power taking part 401, thus make the first line plate 201 of release and correspondingly between the second wiring board 301 and the electrode slice of release electric power disconnect, measurement can be carried out thus.
The first end of electroconductive elastic sheet 203 mechanically and is electrically connected with first line plate 201, such as, rivet in the circuit board and pass through welding to ensure the electrical connection of the circuit of electroconductive elastic sheet and wiring board.Second end of electroconductive elastic sheet 203 is in cantilever position.Like this, the second end of electroconductive elastic sheet 203 can move towards power taking part 401 when being performed part 105 and pressing down, and can utilize its own resilient and move upward after executive item 105 leaves, thus disconnects the electrical connection with power taking part 401.In a preferred embodiment, when this electroconductive elastic sheet 203 be not performed part 105 press time, second end of this electroconductive elastic sheet returns to the lower surface of being close to first line plate 201 to make the distance between electroconductive elastic sheet 203 and power taking part 401 large as far as possible, thus electric isolution electroconductive elastic sheet 203 and power taking part 401 better.
Further, with reference to Fig. 4, it illustrates the 3-D view of the switching device for measurement of release according to a preferred embodiment of the invention, and wherein compared with the embodiment shown in Fig. 2, the wiring board of release is omitted the structure clearlying show that electroconductive elastic sheet 203.In the diagram, can clearly be seen that, electroconductive elastic sheet 203 is the U-shaped shell fragment be made up of two sides and the base that connects described two sides, a side (upper side edge in Fig. 4) (corresponding above-mentioned first end) of this U-shaped mechanically and is electrically connected with wiring board, another side (lower side in Fig. 4) (the second corresponding above-mentioned end) is in cantilever position, and this U-shaped shell fragment place plane is substantially vertical with wiring board 201 place plane.Thus, electroconductive elastic sheet 203 will have excellent elasticity, and after not being performed part 105 extruding, the lower side of U-shaped elasticity can return to the position attaching wiring board 201, thus make the distance between electroconductive elastic sheet 203 and power taking part 401 large as far as possible, to ensure electric isolution good between electroconductive elastic sheet 203 and power taking part 401.Certainly, in alternative embodiments, electroconductive elastic sheet 203 also can have other configuration.
With reference to Fig. 2-4, power taking part 401 is positioned at second end neighbouring (being below in the diagram) of electroconductive elastic sheet 203.Power taking part 401 is electrically connected or is a part for electrode slice with the electrode slice of release.
For release according to a preferred embodiment of the invention as above, operator is by manipulation measurement button 101, thus make measurement button 101 towards or move away from first line plate 201, with make executive item 105 towards or move away from electroconductive elastic sheet 203, contact or leave power taking part 401 to make electroconductive elastic sheet 203, thus electric connectivity or disconnection between first line plate 201 and each electrode slice of release, to make circuit breaker and release thereof normally work or to carry out measurement.
Notice, in the above-described embodiments, except first line plate 201, also to there is the second wiring board 301, the power on/off of this second wiring board 301 is also realized by electroconductive elastic sheet 203 and being contacting and separating of power taking part 401.In alternative embodiments, depend on the design feature of release itself, release can not have the second wiring board 301.
Also note that, in the above-described embodiments, although particularly illustrate the concrete structure of back-moving spring 107 to realize the reseting movement upwards of executive item 105 and measurement button 101, but the resetting device of the homing action for executive item and measurement button of the present invention is not limited to above-described embodiment.With reference to Fig. 5 of the present invention, it illustrates another configuration of resetting device.Particularly, in Figure 5, the shape of executive item 105 is slightly different from the shape of the executive item shown in Fig. 2-4, particularly, in Figure 5, executive item 105 has a columniform supporting leg/stem, and back-moving spring 107 is set on this columniform supporting leg, and in Fig. 2-4, back-moving spring 107 is set on the supporting leg of a square column type.And in the embodiment shown in Fig. 6 of the present invention, even not there is back-moving spring 107, but electroconductive elastic sheet 203 has enough elasticity the homing action upwards of executive item 105 can be driven to play the effect of resetting device to make the elastic reset function of the lower side of electroconductive elastic sheet 203.In addition, in figure 6, two supporting legs of executive item 105 are in symmetric position relative to the axis of measurement button 101, and in the embodiment shown in the embodiment shown in Fig. 2-4 and Fig. 5, a supporting leg (i.e. the supporting leg of sheathed back-moving spring 107) of executive item 105 and the basic conllinear of axis of measurement button 101, another supporting leg is relative to the axis bias of measurement button 101.
These embodiments above-mentioned of the present invention at least can obtain following useful effect: the simple and small volume of the switching device structure for measurement of release, thus be conducive to the miniaturization of circuit breaker and release thereof, or can under the prerequisite of volume not increasing circuit breaker and release thereof, the switching device for measurement set up by release for circuit breaker, thus enriches the function of circuit breaker.
Although with reference on the basis of each embodiment, the present invention has been described in the description and has been illustrated in the accompanying drawings, but those skilled in the art will appreciate that above-described embodiment is only that preferred embodiment the present invention is not limited to above-described embodiment.Particularly, most important inventive point of the present invention is that executive item being disposed to extend through wiring board is interspersed in wiring board to make the switching device for measurement, farthest to utilize the inner space of the release of circuit breaker.Correspondingly, other structure of the release of circuit breaker can carry out appropriate variations, such as, in the embodiment shown in the figures, there are two U-shaped electroconductive elastic sheets, but the number of electroconductive elastic sheet is not limited to two, it can also be one, three or other number, its practical structures with the release of circuit breaker and actual demand relevant; Such as, moreover as what mentioned in description above, electroconductive elastic sheet may not be preferred U-shaped structure, and, electroconductive elastic sheet can be straight shell fragment, one end machinery and electrically connect in the circuit board, the other end can for executive item pressing; Alternatively, electroconductive elastic sheet can be even an electric-conductor, as long as can by means of electric-conductor realize wiring board electric and dead electricity, such as, this electric-conductor can be conduction flexible cord, the first end of this conduction flexible cord mechanically and is electrically connected with wiring board, the second end of this conduction flexible cord and the second end of executive item be electrically connected with directly by executive item with together with move, thus contact or leave power taking part; In addition, electroconductive elastic sheet can also replace with one and be located in power spring on executive item, one end machinery of this power spring and be electrically connected to wiring board, and the other end is butted on the end of executive item, like this, power spring can play the effect of electric-conductor and back-moving spring simultaneously.In a word, there is no particular restriction for the concrete structure of electroconductive elastic sheet/electric-conductor and connected mode, actuates and make wiring board obtain electric or dead electricity to contact with power taking part with being separated as long as can realize being performed part.Similarly, the resetting device of executive item and measurement button and stop tab also can have other configuration being different from preferred embodiment as shown in drawings, as long as this resetting device and stop tab/stop mechanism can cooperatively interact the appropriate exercise realizing and control executive item.Certainly, it should be noted that embodiment shown in the drawings of the present invention is highly preferred embodiment, compared to other replacement scheme not shown or embodiment variant, it may have outstanding substantive distinguishing features and significant progress.
Finally, it is also to be appreciated that some technical characteristic in embodiment may not be required for the specific technical problem of solution, thus these technical characteristics can not or be omitted and the solution of non-influence technique problem or the formation of technical scheme; And the feature of an embodiment, key element and/or function suitably mutually can combine, combine or coordinate with the feature of other one or more embodiment, key element and/or function, unless this combination, combination or coordinate obviously can not be implemented.
Claims (12)
1. the release for circuit breaker, this release has measurement button, wiring board and electrode slice, operator makes electric power between the wiring board of release and each electrode slice of release disconnect by this measurement button of manipulation, to carry out measurement between each electrode slice of release, it is characterized in that, this release also comprises:
Electric-conductor, the first end of this electric-conductor mechanically and is electrically connected with described wiring board;
Executive item, this executive item extends through described wiring board, and the first end being positioned at this wiring board side of this executive item is connected with described measurement button or becomes to be integrated, near the second end that second end being positioned at described wiring board opposite side of this executive item is positioned at described electric-conductor or be electrically connected with the second end of this electric-conductor; And
Power taking part, this power taking part is positioned near the second end of described electric-conductor, and this power taking part is electrically connected with the described electrode slice of release or be the part of described electrode slice,
Wherein, this release is configured to make operator by manipulating described measurement button, thus make described measurement button towards or move away from described wiring board, with make described executive item towards or away from the motion of described power taking part, contact to make described electric-conductor or leave described power taking part, thus realize electric connectivity or disconnection between described wiring board and each electrode slice of release, to make release normally work or to carry out measurement.
2. release as claimed in claim 1, it is characterized in that, described electric-conductor is electroconductive elastic sheet, and the first end of this electroconductive elastic sheet mechanically and is electrically connected with described wiring board, and the second end of this electroconductive elastic sheet is in cantilever position.
3. release as claimed in claim 1, is characterized in that, described electric-conductor is conduction flexible cord, and the first end of this conduction flexible cord mechanically and is electrically connected with described wiring board, and the second end of this conduction flexible cord is electrically connected with the second end of described executive item.
4. release as claimed in claim 1, it is characterized in that, this release also comprises the stop tab of the motion for limiting described measurement button.
5. release as claimed in claim 4, it is characterized in that, described stop tab is arranged on described measurement button.
6. release as claimed in claim 4, it is characterized in that, this release also comprises the back-moving spring being provided for measurement push-button reset.
7. release as claimed in claim 6, it is characterized in that, described back-moving spring one end is resisted against on described wiring board, and the other end is fixedly connected with described measurement button or described executive item.
8. release as claimed in claim 7, it is characterized in that, the part extending through described wiring board of described executive item is stem, and described back-moving spring is set on this stem.
9. release as claimed in claim 2, is characterized in that, described electroconductive elastic sheet has enough elasticity with the resetting device making this electroconductive elastic sheet can be used as described measurement button.
10. the release as described in one of claim 1-9, it is characterized in that, described electric-conductor is configured to make when carrying out measurement between the electrode slice of this release, and the second end of this electric-conductor is close to the surface of this wiring board to make the distance between described electric-conductor and described power taking part large as far as possible.
11. releases as claimed in claim 10, it is characterized in that, described electric-conductor is the U-shaped shell fragment be made up of two sides and the base that connects described two sides, a side of this U-shaped shell fragment mechanically and is electrically connected with described wiring board, another side is in cantilever position, and this U-shaped shell fragment place plane is substantially vertical with described wiring board place plane.
12. 1 kinds of circuit breakers, is characterized in that, this circuit breaker has the release as described in one of claim 1-11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410145381.2A CN104979142B (en) | 2014-04-11 | 2014-04-11 | Electrical apparatus release and the chopper with electrical apparatus release |
| HK15112233.5A HK1211739A1 (en) | 2014-04-11 | 2015-12-11 | A trip and a circuit breaker having the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410145381.2A CN104979142B (en) | 2014-04-11 | 2014-04-11 | Electrical apparatus release and the chopper with electrical apparatus release |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104979142A true CN104979142A (en) | 2015-10-14 |
| CN104979142B CN104979142B (en) | 2017-03-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410145381.2A Active CN104979142B (en) | 2014-04-11 | 2014-04-11 | Electrical apparatus release and the chopper with electrical apparatus release |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104979142B (en) |
| HK (1) | HK1211739A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107230590A (en) * | 2016-07-15 | 2017-10-03 | 上海良信电器股份有限公司 | A kind of external miniature circuit breaker power taking sampling structure of electric energy meter |
| CN108511280A (en) * | 2018-06-04 | 2018-09-07 | 浙江德菱科技股份有限公司 | Miniature circuit breaker with electricity-getting switch node |
| CN112053920A (en) * | 2020-08-26 | 2020-12-08 | 加西亚电子电器股份有限公司 | Circuit board power-off mechanism of intelligent circuit breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0591075A1 (en) * | 1992-09-29 | 1994-04-06 | Schneider Electric Sa | Electronic trip device for low voltage circuit breaker |
| CN1577690A (en) * | 2003-07-03 | 2005-02-09 | 富士电机株式会社 | Leakage circuit breaker |
| CN101079353A (en) * | 2006-05-22 | 2007-11-28 | 富士电机机器制御株式会社 | Earth leakage circuit-breaker |
| CN101090052A (en) * | 2006-05-23 | 2007-12-19 | 富士电机机器制御株式会社 | Creepage breaker |
| CN202307752U (en) * | 2011-10-21 | 2012-07-04 | 施耐德电器工业公司 | Electricity leakage protection device and circuit breaker |
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2014
- 2014-04-11 CN CN201410145381.2A patent/CN104979142B/en active Active
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2015
- 2015-12-11 HK HK15112233.5A patent/HK1211739A1/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0591075A1 (en) * | 1992-09-29 | 1994-04-06 | Schneider Electric Sa | Electronic trip device for low voltage circuit breaker |
| CN1577690A (en) * | 2003-07-03 | 2005-02-09 | 富士电机株式会社 | Leakage circuit breaker |
| CN101079353A (en) * | 2006-05-22 | 2007-11-28 | 富士电机机器制御株式会社 | Earth leakage circuit-breaker |
| CN101090052A (en) * | 2006-05-23 | 2007-12-19 | 富士电机机器制御株式会社 | Creepage breaker |
| CN202307752U (en) * | 2011-10-21 | 2012-07-04 | 施耐德电器工业公司 | Electricity leakage protection device and circuit breaker |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107230590A (en) * | 2016-07-15 | 2017-10-03 | 上海良信电器股份有限公司 | A kind of external miniature circuit breaker power taking sampling structure of electric energy meter |
| CN108511280A (en) * | 2018-06-04 | 2018-09-07 | 浙江德菱科技股份有限公司 | Miniature circuit breaker with electricity-getting switch node |
| CN112053920A (en) * | 2020-08-26 | 2020-12-08 | 加西亚电子电器股份有限公司 | Circuit board power-off mechanism of intelligent circuit breaker |
| CN112053920B (en) * | 2020-08-26 | 2021-12-07 | 加西亚电子电器股份有限公司 | Circuit board power-off mechanism of intelligent circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1211739A1 (en) | 2016-05-27 |
| CN104979142B (en) | 2017-03-29 |
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