CN104835691B - A kind of common base and Thermomagnetic type and the electronic type molded case circuit breaker of applying this pedestal - Google Patents
A kind of common base and Thermomagnetic type and the electronic type molded case circuit breaker of applying this pedestal Download PDFInfo
- Publication number
- CN104835691B CN104835691B CN201510094822.5A CN201510094822A CN104835691B CN 104835691 B CN104835691 B CN 104835691B CN 201510094822 A CN201510094822 A CN 201510094822A CN 104835691 B CN104835691 B CN 104835691B
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- Prior art keywords
- installing
- pedestal
- common base
- screw
- bimetal leaf
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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
- H01H71/02—Housings; Casings; Bases; Mountings
-
- 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
- H01H71/08—Terminals; Connections
-
- 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
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- Breakers (AREA)
Abstract
A kind of common base and Thermomagnetic type and the electronic type molded case circuit breaker of applying this pedestal.The pedestal mainly solving existing two kinds of breaker of plastic casing cannot be general, needs two molds, the extra development cost that on the one hand mould needs producing when, and on the other hand the versatility of pedestal is not strong, is not easy to storehouse management.The present invention provides a kind of common base, its pedestal is provided with the first holding tank for installing arc-chutes, for installing the first screw group of handle mount, for installing the second screw group of gusset piece, for installing the 3rd screw thread group of moving contact rotating turret, for installing the 3rd screw thread group of bimetal leaf installing rack and some mounting posts, and between mounting post opposite face two-by-two, form the 3rd holding tank for installing current transformer, the installation bimetal leaf that can select or current transformer form electronic type molded case circuit breaker or Thermomagnetic type breaker of plastic casing, simple in construction, highly versatile, reduce mould development expense, and it is easy to storehouse management.
Description
Technical field
The present invention relates to a kind of breaker of plastic casing, belong to Low Voltage Electrical Apparatus.
Background technology
Chopper be a kind of for distribute electric energy, power circuit and motor etc. are carried out real-time guard current switch dress
Putting, it can in time carry, close and cut-off normal loop according to normal, overload, the state such as short-circuit and under-voltage of circuit
In electric current, thus ensure produce safety carry out.
Breaker of plastic casing is as the one in chopper, and it is using plastic insulation as the shell of device, and equally can be
Actual current automatically cuts off electric current after exceeding escape setting value.Existing breaker of plastic casing can be divided into moulding of electronics dropout type
Case circuit breaker and thermo magnetic trip release formula breaker of plastic casing, but the pedestal of both short-circuiting devices cannot be general, producing when
Needing two molds, the on the one hand extra development cost of mould, on the other hand the versatility of pedestal is the strongest.
Summary of the invention
In order to overcome the deficiency of background technology, the present invention provides a kind of breaker of plastic casing, mainly solves existing electronic type
The pedestal of breaker of plastic casing and Thermomagnetic type breaker of plastic casing cannot be general, needs two molds, on the one hand producing when
The extra development cost that mould needs, on the other hand the versatility of pedestal is not strong, is not easy to storehouse management.
The technical solution adopted in the present invention is:
A kind of common base, described base internal wall is provided with the first holding tank for installing arc-chutes, for installing handle
First screw group of installing rack, for installing the second screw group of gusset piece and for installing the 3rd screw thread of moving contact rotating turret
Group, states the second screw group and includes front wiring hole and the rear wiring hole for external world's electrical connection, be additionally provided with for installing bimetal leaf
Formed between 4th screw thread group of installing rack and some mounting posts, and described mounting post opposite face two-by-two and be used for Current Mutual Inductance is installed
3rd holding tank of device, described 3rd holding tank is located between front wiring hole and rear wiring hole.
Described mounting post is four and forms three described 3rd holding tanks between any two.
Described base internal wall is provided with mounting blocks, and described 4th screw thread group includes preceding thread hole and rear thread hole, described rear spiral shell
Pit and front wiring hole are all located on described mounting blocks.
The upper wall laminating of the lower wall of described mounting blocks and described mounting post.
A kind of Thermomagnetic type breaker of plastic casing, including the pedestal installed mutually and upper cover, be provided with in described pedestal operating mechanism,
Contact mechanism, gusset piece and arc-chutes, described operating mechanism includes the handle mount being provided with handle and draw bar, described in connect
Structure of having a sudden inspiration includes moving contact rotating turret, bimetal leaf and for installing the bimetal leaf installing rack of described bimetal leaf, described base
Seat is a kind of common base as above.
Described bimetal leaf and bimetal leaf installing rack are connected by screw.
A kind of electronic type molded case circuit breaker, including the pedestal installed mutually and upper cover, be provided with in described pedestal operating mechanism,
Contact mechanism, gusset piece, current transformer and arc-chutes, described operating mechanism includes the handle peace being provided with handle and draw bar
Shelving, described contact mechanism includes that moving contact rotating turret, described pedestal are a kind of common base as above.
Be provided with sensing groove between described current transformer, described gusset piece through described sensing groove and two ends respectively with front connect
String holes and rear wiring hole screw connect.
Described current transformer both sides are provided with gripper shoe, and described mounting post is provided with the recessed of snap-fit engagement with described gripper shoe
Groove.
The invention has the beneficial effects as follows: the present invention provides a kind of common base, go for Thermomagnetic type and electronic type molded
Case circuit breaker, its impact faces is provided with the first holding tank for installing arc-chutes, for installing the first spiral shell of handle mount
Hole group, for installing the second screw group of gusset piece, for installing the 3rd screw thread group of moving contact rotating turret, is used for installing double gold
Belong to being formed between the 3rd screw thread group and some mounting posts, and described mounting post opposite face two-by-two of sheet installing rack and be used for electric current is installed
3rd holding tank of transformer, the installation bimetal leaf that can select or current transformer composition electronic type molded case circuit breaker or
Thermomagnetic type breaker of plastic casing, simple in construction, highly versatile, reduce mould development expense, and be easy to storehouse management.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of one embodiment of the invention.
Fig. 2 is enlarged drawing at Figure 1A.
Fig. 3 is that one embodiment of the invention applies the schematic perspective view at Thermomagnetic type breaker of plastic casing.
Enlarged drawing at Fig. 4 Fig. 3 B.
Fig. 5 is that one embodiment of the invention applies the schematic perspective view at electronic type molded case circuit breaker.
Enlarged drawing at Fig. 6 Fig. 5 C.
Fig. 7 is the schematic front view of one embodiment of the invention.
Fig. 8 is enlarged drawing at Fig. 8 D.
Fig. 9 is enlarged drawing at Fig. 8 F.
Figure 10 is the schematic perspective view of the handle mount of one embodiment of the invention.
Figure 11 is the schematic perspective view of the moving contact rotating turret of one embodiment of the invention.
Figure 12 is the schematic perspective view of the bimetal leaf installing rack of one embodiment of the invention.
Figure 13 is the schematic perspective view of the current transformer of one embodiment of the invention.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings: as it can be seen, a kind of common base, described base internal wall sets
There is the first holding tank 1 for installing arc-chutes 85, for installing the first screw group 2 of handle mount 811, for installing connection
Second screw group 3 of fishplate bar 83 and for installing the 3rd screw thread group 4 of moving contact rotating turret 821, described second screw group 3 includes
Front wiring hole 31 and for the external world electrical connection rear wiring hole 32, be additionally provided with for bimetal leaf installing rack 823 is installed the 4th
Formed between screw thread group 5 and some mounting posts 6, and described mounting post 6 opposite face two-by-two for current transformer 86 is installed the
Three holding tanks 7, described 3rd holding tank 7 is located between front wiring hole 31 and rear wiring hole 32.As it can be seen, handle mount
811 installing holes 91, pedestal is provided with the first screw thread group 2 with its adaptation, is provided with installing hole 92, pedestal bottom moving contact rotating turret
Being provided with the 3rd screw thread group 4 with its adaptation, be provided with installing hole 93 bottom bimetal leaf installing rack, pedestal is provided with fits with it
The 4th screw thread group 5 joined, the 3rd holding tank between mounting post can be used to install current transformer, and the present invention provides a kind of logical
With pedestal, go for Thermomagnetic type and electronic type molded case circuit breaker, its impact faces be provided with for arc-chutes are installed first
Holding tank, for installing the first screw group of handle mount, for installing the second screw group of gusset piece, is used for installing dynamic touching
3rd screw thread group of head rotating turret, for installing the 3rd screw thread group of bimetal leaf installing rack and some mounting posts, and described peace
Formed between dress post opposite face two-by-two for installing the 3rd holding tank of current transformer, the installation bimetal leaf that can select or
Current transformer composition electronic type molded case circuit breaker or Thermomagnetic type breaker of plastic casing, simple in construction, highly versatile, reduce mould
Tool development cost, and it is easy to storehouse management.
In the present invention, as it can be seen, described mounting post 6 is four and forms three described 3rd holding tanks between any two
7.Compact conformation, the space in Appropriate application pedestal, it is suitable for effective.
In the present invention, as it can be seen, described base internal wall is provided with mounting blocks 13, described 4th screw thread group 5 includes front spiral shell
Pit 51 and rear thread hole 52, described rear thread hole 52 and front wiring hole 31 are all located on described mounting blocks 13.Bimetal leaf is pacified
Being contained in the 4th screw thread group, the rear thread hole in the 4th screw thread group is located on mounting blocks, installing bimetal leaf when, permissible
Carrying out spacing by the further bimetal leaf of the screw of the plate that is fixedly connected, stabilized structure, using effect is more preferable.
In the present invention, as it can be seen, the upper wall of the lower wall of described mounting blocks 13 and described mounting post 6 is fitted.Structure is tight
Gathering, convenient for assembly, using effect is good.
A kind of Thermomagnetic type breaker of plastic casing, including the pedestal 8 installed mutually and upper cover, is provided with operation machine in described pedestal 8
Structure, contact mechanism, gusset piece 83 and arc-chutes 85, described operating mechanism includes the handle mount being provided with handle and draw bar
811, described contact mechanism includes moving contact rotating turret 821, bimetal leaf 822 and for installing the double of described bimetal leaf 822
Sheet metal installing rack 823, described pedestal 8 is a kind of common base as described above.This common base can be suitable for electronic type
Chopper and thermomagnetic circuit breaker, highly versatile, cost is relatively low, it is simple to storehouse management.
In the present invention, as it can be seen, described bimetal leaf 822 and bimetal leaf installing rack 823 are connected by screw.Logical
Cross screw to connect, it is simple to assembling, using effect is more preferable, it would however also be possible to employ the mounting means such as clamping.
A kind of electronic type molded case circuit breaker, including the pedestal 8 installed mutually and upper cover, is provided with operation machine in described pedestal 8
Structure, contact mechanism, gusset piece 83, current transformer 86 and arc-chutes 85, described operating mechanism includes being provided with handle and traction
The handle mount 811 of bar, described contact mechanism includes that moving contact rotating turret 821, described pedestal 8 are one as described above
Common base.The when that electronic type molded case circuit breaker using, current transformer is installed and installs without installing bimetal leaf
Frame and bimetal leaf, this common base can be suitable for electronic breaker and thermomagnetic circuit breaker, highly versatile, and cost is relatively low,
It is easy to storehouse management.
In the present invention, as it can be seen, be provided with sensing groove 861 between described current transformer 86, described gusset piece 83 is worn
Cross described sensing groove 861 and two ends are connected with front wiring hole 31 and rear wiring hole 32 screw respectively.Gusset piece, through sensing groove, makes
It is more preferable by effect,
In the present invention, as it can be seen, described current transformer 86 both sides are provided with gripper shoe 862, in described mounting post 6 with
Described gripper shoe 862 is provided with the groove 66 of snap-fit engagement.Here use snap-fit engagement that current transformer is installed, for preferably side
Case, it would however also be possible to employ the mounting means such as screw connects, snapping, can optionally use.
Embodiment is not construed as limitation of the present invention, but any spiritual improvements introduced based on the present invention, all should be
Within protection scope of the present invention.
Claims (9)
1. a common base, described base internal wall is provided with the first holding tank (1) for installing arc-chutes (85), is used for installing
First screw group (2) of handle mount (811), the second screw group (3) of gusset piece (83) and being used for of being used for installing are installed dynamic
3rd screw thread group (4) of contact rotating turret (821), it is characterised in that: described second screw group (3) include front wiring hole (31) and
For the rear wiring hole (32) of external world's electrical connection, it is additionally provided with the 4th screw thread group (5) for installing bimetal leaf installing rack (823)
It is used for the 3rd of current transformer (86) is installed with being formed between some mounting posts (6), and described mounting post (6) opposite face two-by-two
Holding tank (7), described 3rd holding tank (7) is located between front wiring hole (31) and rear wiring hole (32).
A kind of common base the most according to claim 1, it is characterised in that: described mounting post (6) be four and two-by-two it
Between formed three described 3rd holding tanks (7).
A kind of common base the most according to claim 1, it is characterised in that: described base internal wall is provided with mounting blocks (13),
Described 4th screw thread group (5) includes preceding thread hole (51) and rear thread hole (52), described rear thread hole (52) and front wiring hole
(31) all it is located on described mounting blocks (13).
A kind of common base the most according to claim 3, it is characterised in that: the lower wall of described mounting blocks (13) and described peace
The upper wall laminating of dress post (6).
5. a Thermomagnetic type breaker of plastic casing, including the pedestal (8) installed mutually and upper cover, described pedestal is provided with operation in (8)
Mechanism, contact mechanism, gusset piece (83) and arc-chutes (85), described operating mechanism includes the handle being provided with handle and draw bar
Installing rack (811), described contact mechanism includes moving contact rotating turret (821), bimetal leaf (822) and is used for installing described double gold
Belong to the bimetal leaf installing rack (823) of sheet (822), it is characterised in that: described pedestal (8) is described in claim 1 or 2 or 3
A kind of common base.
A kind of Thermomagnetic type breaker of plastic casing the most according to claim 5, it is characterised in that: described bimetal leaf (822) and
Bimetal leaf installing rack (823) is connected by screw.
7. an electronic type molded case circuit breaker, including the pedestal (8) installed mutually and upper cover, described pedestal is provided with operation in (8)
Mechanism, contact mechanism, gusset piece (83), current transformer (86) and arc-chutes (85), described operating mechanism includes being provided with hands
The handle mount (811) of handle and draw bar, described contact mechanism includes moving contact rotating turret (821), it is characterised in that: described
Pedestal (8) is a kind of common base described in claim 1 or 2 or 3.
A kind of electronic type molded case circuit breaker the most according to claim 7, it is characterised in that: described current transformer (86) it
Between be provided with sensing groove (861), described gusset piece (83) through described sensing groove (861) and two ends respectively with front wiring hole (31) and
Rear wiring hole (32) screw connects.
A kind of electronic type molded case circuit breaker the most according to claim 7, it is characterised in that: described current transformer (86) two
Side is provided with gripper shoe (862), the upper groove (66) being provided with snap-fit engagement with described gripper shoe (862) of described mounting post (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510094822.5A CN104835691B (en) | 2015-03-04 | 2015-03-04 | A kind of common base and Thermomagnetic type and the electronic type molded case circuit breaker of applying this pedestal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510094822.5A CN104835691B (en) | 2015-03-04 | 2015-03-04 | A kind of common base and Thermomagnetic type and the electronic type molded case circuit breaker of applying this pedestal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104835691A CN104835691A (en) | 2015-08-12 |
| CN104835691B true CN104835691B (en) | 2016-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510094822.5A Active CN104835691B (en) | 2015-03-04 | 2015-03-04 | A kind of common base and Thermomagnetic type and the electronic type molded case circuit breaker of applying this pedestal |
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| Country | Link |
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| CN (1) | CN104835691B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128869A (en) * | 2016-08-19 | 2016-11-16 | 天津市百利电气有限公司 | There is the quadrupole moulded case circuit breaker of creepage protection function |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1227697C (en) * | 2001-11-22 | 2005-11-16 | 浙江正泰电器股份有限公司 | Multipolar low-voltage circuit breaker with plastic shell |
| JP4522362B2 (en) * | 2005-12-21 | 2010-08-11 | 三菱電機株式会社 | Circuit breaker |
| CN103050341B (en) * | 2012-12-20 | 2015-12-02 | 浙江天正电气股份有限公司 | Universal plastic-casing Shell of circuit breaker, breaker of plastic casing and residual current circuit breaker |
| CN204424181U (en) * | 2015-03-04 | 2015-06-24 | 浙江天正电气股份有限公司 | A kind of common base and Thermomagnetic type and the electronic type molded case circuit breaker of applying this pedestal |
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- 2015-03-04 CN CN201510094822.5A patent/CN104835691B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104835691A (en) | 2015-08-12 |
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