CN204215955U - Contact connecting structure and circuit breaker under a kind of circuit breaker - Google Patents
Contact connecting structure and circuit breaker under a kind of circuit breaker Download PDFInfo
- Publication number
- CN204215955U CN204215955U CN201420420132.5U CN201420420132U CN204215955U CN 204215955 U CN204215955 U CN 204215955U CN 201420420132 U CN201420420132 U CN 201420420132U CN 204215955 U CN204215955 U CN 204215955U
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- vacuum bubbles
- contact
- frame plate
- connecting structure
- 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 - Lifetime
Links
- 238000009434 installation Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model relates to technical field of electricity, particularly relates to contact connecting structure and circuit breaker under a kind of circuit breaker.Under this circuit breaker, contact connecting structure comprises vacuum bubbles, lower fixed contact, installs frame plate and fixation kit, the quiet end axle of vacuum bubbles lower end is installed on frame plate through installing frame plate and being fixed on by fixation kit, the horizontal component of lower fixed contact is arranged on the below of vacuum bubbles and fits with the bottom surface of vacuum bubbles, by fastening nut, the horizontal component of lower fixed contact is fixed on the bottom surface of vacuum bubbles, such vacuum bubbles and lower fixed contact have larger conductive area, the temperature rise of circuit breaker can be well controlled, and effectively improves the performance of circuit breaker.
Description
Technical field
The utility model relates to technical field of electricity, particularly relates to contact connecting structure and circuit breaker under a kind of circuit breaker.
Background technology
At present, in system for distribution network of power field, the lower fixed contact of circuit breaker is all adopt the mode of threaded conductive to connect.Particularly, the quiet end axle of vacuum bubbles lower end is successively through installing frame plate and contact pressing plate, then fixed by nut screwing clamping, the brace on lower fixed contact top is arranged on to be installed between frame plate and contact pressing plate, and electric current is through the quiet end axle of vacuum bubbles lower end and the brace on lower fixed contact top and then the conducting realizing circuit breaker.But so effective conductive area is little, and the temperature rise of circuit breaker is difficult to control in effective range.
Therefore, for above deficiency, the utility model provides contact connecting structure and circuit breaker under a kind of circuit breaker.
Utility model content
(1) technical problem that will solve
The purpose of this utility model be to provide contact connecting structure and circuit breaker under a kind of circuit breaker with the effective conductive area solving existing lower contact connected mode and exist little and temperature rise that is circuit breaker problem very rambunctious.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides on the one hand contact connecting structure under a kind of circuit breaker, it comprises vacuum bubbles, lower fixed contact, installs frame plate and fixation kit, the quiet end axle of vacuum bubbles lower end is through installing frame plate, and quiet end axle is fixed on installation frame plate by fixation kit, lower fixed contact comprises the horizontal component and vertical portion that are connected, the horizontal component of lower fixed contact is arranged on the below of vacuum bubbles and fits with the bottom surface of vacuum bubbles, is provided with fastening nut below the horizontal component of lower fixed contact.
Wherein, described fixation kit comprises the first nut and the second nut, the first nut and the second nut lay respectively at install frame plate above and below.
Wherein, also comprise contact pressing plate, described contact pressing plate is arranged on to be installed between frame plate and the second nut.
The utility model on the other hand additionally provides a kind of circuit breaker, and it comprises contact connecting structure under above-mentioned circuit breaker.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: under the circuit breaker that the utility model provides in contact connecting structure and circuit breaker, the quiet end axle of vacuum bubbles lower end is installed on frame plate through installing frame plate and being fixed on by fixation kit, the horizontal component of lower fixed contact is arranged on the below of vacuum bubbles and fits with the bottom surface of vacuum bubbles, by fastening nut, the horizontal component of lower fixed contact is fixed on the bottom surface of vacuum bubbles, such vacuum bubbles and lower fixed contact have larger conductive area, the temperature rise of circuit breaker can be well controlled, effectively improve the performance of circuit breaker.
Accompanying drawing explanation
Fig. 1 is contact connecting structure front view under the utility model embodiment circuit breaker;
Fig. 2 is contact connecting structure stereogram under the utility model embodiment circuit breaker;
Fig. 3 is the structural representation of the utility model embodiment circuit breaker.
In figure, 1: vacuum bubbles; 2: lower fixed contact; 3: frame plate is installed; 4: the first nuts; 5: the second nuts; 6: fastening nut; 7: contact pressing plate; 101: quiet end axle.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
In description of the present utility model, it will be appreciated that, term " on ", D score, "front", "rear", " vertically ", " level ", " top ", " end " " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
In addition, in description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
As shown in Figure 1, under the circuit breaker that the utility model provides, contact connecting structure comprises vacuum bubbles 1, lower fixed contact 2, frame plate 3 and fixation kit are installed, the quiet end axle 101 of vacuum bubbles 1 lower end is through installing frame plate 3, and quiet end axle 101 is fixed on installation frame plate 3 by fixation kit, lower fixed contact 2 comprises the horizontal component and vertical portion that are connected, the horizontal component of lower fixed contact 2 is arranged on the below of vacuum bubbles 1 and fits with the bottom surface of vacuum bubbles 1, to ensure larger conductive area, fastening nut 6 is provided with below the horizontal component of lower fixed contact 2, by fastening nut 6, the horizontal component of lower fixed contact 2 is fixed on the bottom surface of vacuum bubbles 1.
Particularly, described fixation kit comprise the first nut 4 and the second nut 5, first nut 4 and the second nut 5 lay respectively at install frame plate 3 above and below, fixed simple and practical by nut, tightness is good.
Preferably, also comprise contact pressing plate 7, described contact pressing plate 7 is arranged on to be installed between frame plate 3 and the second nut 5, can be fixed on by the quiet end axle 101 of vacuum bubbles 1 lower end securely like this and install on frame plate 3.
The circuit breaker that the utility model provides on the other hand comprises contact connecting structure under above-mentioned circuit breaker, because the horizontal component of lower fixed contact 2 and the bottom surface of vacuum bubbles 1 fit in such circuit breaker, have larger conductive area, the temperature rise of circuit breaker is easy to control in effective range.
Under the circuit breaker that the utility model provides in contact connecting structure, the quiet end axle 101 of vacuum bubbles 1 lower end is installed on frame plate 3 through installing frame plate 3 and being fixed on by the first nut 4 and the second nut 5, the horizontal component of lower fixed contact 2 is arranged on the below of vacuum bubbles 1 and fits with the bottom surface of vacuum bubbles 1, by fastening nut 6, the horizontal component of lower fixed contact 2 is fixed on the bottom surface of vacuum bubbles 1, such vacuum bubbles 1 has larger conductive area with lower fixed contact 2, the temperature rise of circuit breaker can be well controlled, and effectively improves the performance of circuit breaker; The quiet end axle 101 of vacuum bubbles 1 lower end can be made firmly to be fixed on installation frame plate 3 by arranging contact pressing plate 7 between installation frame plate 3 and the second nut 5.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection range of the present utility model.
Claims (4)
1. contact connecting structure under a circuit breaker, it is characterized in that: it comprises vacuum bubbles, lower fixed contact, installs frame plate and fixation kit, the quiet end axle of vacuum bubbles lower end is through installing frame plate, and quiet end axle is fixed on installation frame plate by fixation kit, lower fixed contact comprises the horizontal component and vertical portion that are connected, the horizontal component of lower fixed contact is arranged on the below of vacuum bubbles and fits with the bottom surface of vacuum bubbles, is provided with fastening nut below the horizontal component of lower fixed contact.
2. contact connecting structure under circuit breaker according to claim 1, is characterized in that: described fixation kit comprises the first nut and the second nut, the first nut and the second nut lay respectively at install frame plate above and below.
3. contact connecting structure under circuit breaker according to claim 2, is characterized in that: also comprise contact pressing plate, and described contact pressing plate is arranged on to be installed between frame plate and the second nut.
4. a circuit breaker, is characterized in that, it comprises contact connecting structure under the circuit breaker described in any one of claim 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420420132.5U CN204215955U (en) | 2014-07-28 | 2014-07-28 | Contact connecting structure and circuit breaker under a kind of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420420132.5U CN204215955U (en) | 2014-07-28 | 2014-07-28 | Contact connecting structure and circuit breaker under a kind of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204215955U true CN204215955U (en) | 2015-03-18 |
Family
ID=52984604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420420132.5U Expired - Lifetime CN204215955U (en) | 2014-07-28 | 2014-07-28 | Contact connecting structure and circuit breaker under a kind of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204215955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157508A (en) * | 2014-07-28 | 2014-11-19 | 北京华电瑞通电力工程技术有限公司 | Circuit breaker lower contact connection structure and circuit breaker |
-
2014
- 2014-07-28 CN CN201420420132.5U patent/CN204215955U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157508A (en) * | 2014-07-28 | 2014-11-19 | 北京华电瑞通电力工程技术有限公司 | Circuit breaker lower contact connection structure and circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |