CN105355483A - Interphase insulation device for double-breakpoint change-over switch - Google Patents
Interphase insulation device for double-breakpoint change-over switch Download PDFInfo
- Publication number
- CN105355483A CN105355483A CN201510917569.9A CN201510917569A CN105355483A CN 105355483 A CN105355483 A CN 105355483A CN 201510917569 A CN201510917569 A CN 201510917569A CN 105355483 A CN105355483 A CN 105355483A
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- CN
- China
- Prior art keywords
- contact
- moving contact
- axle
- arc
- limited part
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- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention provides an interphase insulation device for a double-breakpoint change-over switch, and the device comprises a bottom plate, insulating baffle plates, a common terminal static contact apparatus, and a static contact apparatus. A plurality of insulating baffle plates are sequentially arranged on the bottom plate, and single-phase contact structures are respectively formed between each two adjacent insulating baffle plates. Each single-phase contact structure comprises one static contact apparatus, one common terminal static contact apparatus and the other static contact apparatus, wherein the static contact apparatus, the common terminal static contact apparatus and the other static contact apparatus are sequentially arranged in the length direction of the insulating baffle plates. One movable contact installation cavity is disposed between the static contact apparatus and one end of the common terminal static contact apparatus, and the other movable contact installation cavity is disposed between the other static contact apparatus and the other end of the common terminal static contact apparatus. According to the invention, the common terminal static contact apparatus and the static contact apparatus are respectively provided with an arc-distinguishing grid, and the arc-distinguishing grids can distinguishes arcs of products during the switching-on/switching-off of a double-way power supply, thereby achieving the complete interphase insulation.
Description
Technical field
The present invention relates to change over switch, particularly, relate to a kind of phase insulation device of double breaking points change over switch.
Background technology
Existing automatic conversion has following several main flow compound mode: motor operation mechanism adds two breaker body contact systems, motor operation mechanism adds two switch touching head systems, motor operation mechanism adds integral type body contacts system, and electromagnetic operating mechanism adds integral type body contacts system; Also have older mechanical chain to add the change over switch of two contactor patterns in addition, this pattern is eliminated gradually.
Above change over switch has respective defect, be specially, motor operation mechanism is due to the restriction of motor, and change-over time is longer, also larger on the main body system volume be made up of two circuit breakers or isolating switch, electromagnetic operating mechanism adds the form of integral type body contacts, although switching time is short, contact part based on the restriction of soft strength form, its short-time withstand and making capacity and current capacity limited, in the future development of change over switch, this structural behaviour is difficult to increase again.The contact system of double breaking points has become the development trend in low-voltage electrical apparatus future.
Can not be applied to the phase insulation structure of the change over switch of the contact system of double breaking points in prior art, therefore be badly in need of a kind of phase insulation device of double breaking points change over switch.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of phase insulation device of double breaking points change over switch.
According to the phase insulation device of a kind of double breaking points change over switch provided by the invention, comprise base plate, insulation barrier, common port static contact head device and static contact head device;
Wherein, multiple described insulation barrier is arranged on described base plate and is arranged in order, and forms single-phase structure of contact terminal between adjacent described insulation barrier;
Described single-phase structure of contact terminal comprises a static contact head device, common port static contact head device, another static contact head device that the length direction along described insulation barrier is arranged in order; Be provided with a moving contact installation cavity between one end of a described static contact head device and described common port static contact head device, between the other end of another static contact head device described and described common port static contact head device, be provided with another moving contact installation cavity.
Preferably, base cushion block and alternate baffle plate is also comprised;
Wherein, the insulation barrier that the both sides of described moving contact installation cavity are corresponding is provided with an alternate baffle plate and half bore is installed; The upper side of described base cushion block is provided with another alternate baffle plate and installs half bore;
A described alternate baffle plate installation half bore is relative with the opening that another alternate baffle plate described installs half bore forms alternate baffle plate installation half bore; The downside of described base cushion block connects described base plate;
Described alternate baffle plate is arranged on described alternate baffle plate and installs in half bore.
Preferably, described static contact head device comprises fixed contact, the first arc-chute and fixed contact arc-extinguish chamber;
Wherein, a fixed contact arc-extinguish chamber, another fixed contact arc-extinguish chamber are separately positioned on the opposite face of two adjacent described insulation barriers;
One side and a described fixed contact arc-extinguish chamber of described first arc-chute fit, and another side and another fixed contact arc-extinguish chamber described of described first arc-chute fit;
Described fixed contact is arranged on the downside of described first arc-chute.
Preferably, described common port static contact head device comprises common port fixed contact, fixed contact shell, arc extinguishing cover cap, the 3rd arc-chute and the second arc-chute;
Wherein, described fixed contact shell and described arc extinguishing cover cap form installing space; Described 3rd arc-chute and the second arc-chute is opposing is arranged in described installing space; Described common port fixed contact is arranged in described installing space;
Wherein, one end of described common port fixed contact is corresponding with the 3rd arc-chute, and the other end is corresponding with described second arc-chute.
Preferably, described fixed contact shell is provided with the first fin and the second fin; Heat dissipation channel is formed between described first fin and described second fin;
Described common port fixed contact comprises connected electrode mount and contact heat sink; Described contact heat sink is arranged in described heat dissipation channel; Described electrode mount is arranged on described first fin, between described second fin and the sidewall of described fixed contact shell.
Preferably, the leading flank of described first fin and described second fin, trailing flank, upper side are provided with heat radiation groove;
The trailing flank of described first fin is relative with the trailing flank of described second fin; Described electrode mount is arranged on the upper side of described first fin, between the upper side of described second fin and the sidewall of described fixed contact shell.
Preferably, also comprise moving contact, described moving contact is arranged in described moving contact installation cavity;
Described moving contact comprises moving contact limited part, the first moving contact axle, the first moving contact spring, the second moving contact spring, the first limited part axle, the second limited part axle and moving contact contact blade;
Wherein, described moving contact limited part and described moving contact shell form moving contact installing space; Described first limited part axle is arranged on the upper surface inside described moving contact limited part, and described second limited part axle is arranged on the lower surface inside described moving contact limited part;
Described first moving contact spring is set on described first limited part axle, and described first moving contact spring one end connects the upper surface inside described moving contact limited part, and the other end connects described moving contact contact blade upper side; Described second moving contact spring is set on described second limited part axle, and described second moving contact spring one end connects the lower surface inside described moving contact limited part, and the other end connects described moving contact contact blade downside;
Described moving contact contact blade to be arranged on described first moving contact axle and described first moving contact axle can be driven to rotate; Described first limited part axle and described second limited part axle are arranged on the both sides of described first moving contact axle;
When described moving contact rotates, one end of described moving contact is connected with a fixed contact, and the other end of described moving contact is connected with one end of common port fixed contact or the other end.
Preferably, the quantity of described first moving contact spring, described second moving contact spring, described first limited part axle, described second limited part axle and described moving contact contact blade is multiple;
Multiple described moving contact contact blade is fitted successively;
The quantity one_to_one corresponding of described first moving contact spring, described second moving contact spring, described first limited part axle, described second limited part axle and described moving contact contact blade;
Be connected between moving contact contact blade and be provided with moving contact packing ring.
Preferably, the second moving contact axle is also comprised; Wherein, the quantity of described second moving contact axle is two;
The both ends of described moving contact contact blade are provided with moving contact axle installing hole; Described second moving contact axle is arranged in described moving contact axle installing hole;
The diameter of described moving contact axle installing hole is greater than the diameter of described second moving contact axle.
Compared with prior art, the present invention has following beneficial effect:
1, in the present invention, common port static contact head device and static contact head device are provided with arc-chute, can extinguish the electric arc of product during two-way power supply on/off switch respectively, make reaching and insulate completely between phase and phase;
2, in the present invention, fixed contact shell had both played the effect of insulation, and can fix again and the effect of arc extinguishing, and the parts such as fixed contact shell all adopt cordwood compound mode, the versatility of each parts is very high, on the basis meeting properties of product, cost-saving;
3, all there is semicircle elongated hole type louvre in the place that in the present invention, fixed contact shell contacts with common port fixed contact, and namely dispel the heat groove, so as the heat produced thus pores shed, and to circulate with cool ambient air.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is structural representation of the present invention;
Fig. 2 is schematic cross-section of the present invention;
Fig. 3 is the structural representation of single-phase structure of contact terminal in the present invention;
Fig. 4 is the elevational schematic view of single-phase structure of contact terminal in the present invention;
Fig. 5 is the main TV structure schematic diagram of single-phase structure of contact terminal in the present invention;
Fig. 6 is the plan structure schematic diagram of single-phase structure of contact terminal in the present invention;
Fig. 7 is the scheme of installation of alternate baffle plate in the present invention;
Fig. 8 is a kind of structural representation of common port static contact head device in the present invention;
Fig. 9 is the another kind of structural representation of common port static contact head device in the present invention.
In figure:
1 is base plate;
2 is fixed contact arc-extinguish chamber;
3 is the first arc-chute;
4 is alternate baffle plate;
5 is base cushion block;
7 is common port static contact head device;
8 is insulation barrier;
9 is fixed contact shell;
10 is heat radiation groove;
11 is common port fixed contact;
12 is fixed contact silver point;
13 is the second arc-chute;
14 is common port terminal block;
15 is common port connecting plate;
16 is heat radiation groove;
17 is arc extinguishing cover cap;
18 is moving contact contact blade;
19 is the first moving contact axle;
20 is heat radiation groove;
21 is common port fixed contact;
22 is fixed contact.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
In the present embodiment, the phase insulation device of double breaking points change over switch provided by the invention, comprises base plate 1, insulation barrier, common port static contact head device 7 and static contact head device; Wherein, multiple described insulation barrier is arranged on described base plate 1 and is arranged in order, and forms single-phase structure of contact terminal between adjacent described insulation barrier;
Described single-phase structure of contact terminal comprises a static contact head device, common port static contact head device 7, another static contact head device that the length direction along described insulation barrier is arranged in order; Be provided with a moving contact installation cavity between one end of a described static contact head device and described common port static contact head device 7, between the other end of another static contact head device described and described common port static contact head device 7, be provided with another moving contact installation cavity.
The phase insulation device of double breaking points change over switch provided by the invention, also comprises base cushion block 5 and alternate baffle plate 4; Wherein, the insulation barrier that the both sides of described moving contact installation cavity are corresponding is provided with an alternate baffle plate and half bore is installed; The upper side of described base cushion block 5 is provided with another alternate baffle plate and installs half bore; A described alternate baffle plate installation half bore is relative with the opening that another alternate baffle plate described installs half bore forms alternate baffle plate installation half bore; The downside of described base cushion block 5 connects described base plate 1;
Described alternate baffle plate is arranged on described alternate baffle plate and installs in half bore.
Described static contact head device comprises fixed contact, the first arc-chute 3 and fixed contact arc-extinguish chamber 2; Wherein, a fixed contact arc-extinguish chamber, another fixed contact arc-extinguish chamber are separately positioned on the opposite face of two adjacent described insulation barriers; One side and a described fixed contact arc-extinguish chamber of described first arc-chute 3 fit, and another side and another fixed contact arc-extinguish chamber described of described first arc-chute 3 fit; Described fixed contact is arranged on the downside of described first arc-chute 3.
Described common port static contact head device 7 comprises common port fixed contact, fixed contact shell, arc extinguishing cover cap 17, the 3rd arc-chute and the second arc-chute 13; Wherein, described fixed contact shell and described arc extinguishing cover cap 17 form installing space; Described 3rd arc-chute and the second arc-chute 13 is opposing is arranged in described installing space; Described common port fixed contact is arranged in described installing space; Wherein, one end of described common port fixed contact is corresponding with the 3rd arc-chute, and the other end is corresponding with described second arc-chute 13.
Described fixed contact shell is provided with the first fin and the second fin; Heat dissipation channel is formed between described first fin and described second fin; Described common port fixed contact comprises connected electrode mount and contact heat sink; Described contact heat sink is arranged in described heat dissipation channel; Described electrode mount is arranged on described first fin, between described second fin and the sidewall of described fixed contact shell.
The leading flank of described first fin and described second fin, trailing flank, upper side are provided with heat radiation groove 16;
The trailing flank of described first fin is relative with the trailing flank of described second fin; Described electrode mount is arranged on the upper side of described first fin, between the upper side of described second fin and the sidewall of described fixed contact shell.
The phase insulation device of double breaking points change over switch provided by the invention, also comprises moving contact, and described moving contact is arranged in described moving contact installation cavity; Described moving contact comprises moving contact limited part, the first moving contact axle 19, first moving contact spring, the second moving contact spring, the first limited part axle, the second limited part axle and moving contact contact blade 18;
Wherein, described moving contact limited part and described moving contact shell form moving contact installing space; Described first limited part axle is arranged on the upper surface inside described moving contact limited part, and described second limited part axle is arranged on the lower surface inside described moving contact limited part;
Described first moving contact spring is set on described first limited part axle, and described first moving contact spring one end connects the upper surface inside described moving contact limited part, and the other end connects described moving contact contact blade 18 upper side; Described second moving contact spring is set on described second limited part axle, and described second moving contact spring one end connects the lower surface inside described moving contact limited part, and the other end connects described moving contact contact blade 18 downside;
Described moving contact contact blade 18 to be arranged on described first moving contact axle 19 and described first moving contact axle 19 can be driven to rotate; Described first limited part axle and described second limited part axle are arranged on the both sides of described first moving contact axle 19;
When described moving contact rotates, one end of described moving contact is connected with a fixed contact, and the other end of described moving contact is connected with one end of common port fixed contact or the other end.
The phase insulation device of double breaking points change over switch provided by the invention, the quantity of described first moving contact spring, described second moving contact spring, described first limited part axle, described second limited part axle and described moving contact contact blade 18 is multiple;
The quantity one_to_one corresponding of described first moving contact spring, described second moving contact spring, described first limited part axle, described second limited part axle and described moving contact contact blade 18;
Be connected between moving contact contact blade 18 and be provided with moving contact packing ring.
The phase insulation device of double breaking points change over switch provided by the invention, also comprises the second moving contact axle; Wherein, the quantity of described second moving contact axle is two;
The both ends of described moving contact contact blade 18 are provided with moving contact axle installing hole; Described second moving contact axle is arranged in described moving contact axle installing hole;
The diameter of described moving contact axle installing hole is greater than the diameter of described second moving contact axle.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (9)
1. a phase insulation device for double breaking points change over switch, is characterized in that, comprises base plate, insulation barrier, common port static contact head device and static contact head device;
Wherein, multiple described insulation barrier is arranged on described base plate and is arranged in order, and forms single-phase structure of contact terminal between adjacent described insulation barrier;
Described single-phase structure of contact terminal comprises a static contact head device, common port static contact head device, another static contact head device that the length direction along described insulation barrier is arranged in order; Be provided with a moving contact installation cavity between one end of a described static contact head device and described common port static contact head device, between the other end of another static contact head device described and described common port static contact head device, be provided with another moving contact installation cavity.
2. the phase insulation device of double breaking points change over switch according to claim 1, is characterized in that, also comprises base cushion block and alternate baffle plate;
Wherein, the insulation barrier that the both sides of described moving contact installation cavity are corresponding is provided with an alternate baffle plate and half bore is installed; The upper side of described base cushion block is provided with another alternate baffle plate and installs half bore;
A described alternate baffle plate installation half bore is relative with the opening that another alternate baffle plate described installs half bore forms alternate baffle plate installation half bore; The downside of described base cushion block connects described base plate;
Described alternate baffle plate is arranged on described alternate baffle plate and installs in half bore.
3. the phase insulation device of double breaking points change over switch according to claim 1, is characterized in that, described static contact head device comprises fixed contact, the first arc-chute and fixed contact arc-extinguish chamber;
Wherein, a fixed contact arc-extinguish chamber, another fixed contact arc-extinguish chamber are separately positioned on the opposite face of two adjacent described insulation barriers;
One side and a described fixed contact arc-extinguish chamber of described first arc-chute fit, and another side and another fixed contact arc-extinguish chamber described of described first arc-chute fit;
Described fixed contact is arranged on the downside of described first arc-chute.
4. the phase insulation device of double breaking points change over switch according to claim 4, is characterized in that, described common port static contact head device comprises common port fixed contact, fixed contact shell, arc extinguishing cover cap, the 3rd arc-chute and the second arc-chute;
Wherein, described fixed contact shell and described arc extinguishing cover cap form installing space; Described 3rd arc-chute and the second arc-chute is opposing is arranged in described installing space; Described common port fixed contact is arranged in described installing space;
Wherein, one end of described common port fixed contact is corresponding with the 3rd arc-chute, and the other end is corresponding with described second arc-chute.
5. the phase insulation device of double breaking points change over switch according to claim 4, is characterized in that, described fixed contact shell is provided with the first fin and the second fin; Heat dissipation channel is formed between described first fin and described second fin;
Described common port fixed contact comprises connected electrode mount and contact heat sink; Described contact heat sink is arranged in described heat dissipation channel; Described electrode mount is arranged on described first fin, between described second fin and the sidewall of described fixed contact shell.
6. the phase insulation device of double breaking points change over switch according to claim 5, is characterized in that, the leading flank of described first fin and described second fin, trailing flank, upper side are provided with heat radiation groove;
The trailing flank of described first fin is relative with the trailing flank of described second fin; Described electrode mount is arranged on the upper side of described first fin, between the upper side of described second fin and the sidewall of described fixed contact shell.
7. the phase insulation device of double breaking points change over switch according to claim 4, is characterized in that, also comprise moving contact, and described moving contact is arranged in described moving contact installation cavity;
Described moving contact comprises moving contact limited part, the first moving contact axle, the first moving contact spring, the second moving contact spring, the first limited part axle, the second limited part axle and moving contact contact blade;
Wherein, described moving contact limited part and described moving contact shell form moving contact installing space; Described first limited part axle is arranged on the upper surface inside described moving contact limited part, and described second limited part axle is arranged on the lower surface inside described moving contact limited part;
Described first moving contact spring is set on described first limited part axle, and described first moving contact spring one end connects the upper surface inside described moving contact limited part, and the other end connects described moving contact contact blade upper side; Described second moving contact spring is set on described second limited part axle, and described second moving contact spring one end connects the lower surface inside described moving contact limited part, and the other end connects described moving contact contact blade downside;
Described moving contact contact blade to be arranged on described first moving contact axle and described first moving contact axle can be driven to rotate; Described first limited part axle and described second limited part axle are arranged on the both sides of described first moving contact axle;
When described moving contact rotates, one end of described moving contact is connected with a fixed contact, and the other end of described moving contact is connected with one end of common port fixed contact or the other end.
8. the phase insulation device of double breaking points change over switch according to claim 7, it is characterized in that, the quantity of described first moving contact spring, described second moving contact spring, described first limited part axle, described second limited part axle and described moving contact contact blade is multiple;
Multiple described moving contact contact blade is fitted successively;
The quantity one_to_one corresponding of described first moving contact spring, described second moving contact spring, described first limited part axle, described second limited part axle and described moving contact contact blade;
Be connected between moving contact contact blade and be provided with moving contact packing ring.
9. the phase insulation device of double breaking points change over switch according to claim 7, is characterized in that, also comprises the second moving contact axle; Wherein, the quantity of described second moving contact axle is two;
The both ends of described moving contact contact blade are provided with moving contact axle installing hole; Described second moving contact axle is arranged in described moving contact axle installing hole;
The diameter of described moving contact axle installing hole is greater than the diameter of described second moving contact axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510917569.9A CN105355483B (en) | 2015-12-10 | 2015-12-10 | The phase insulation device of double breaking points change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510917569.9A CN105355483B (en) | 2015-12-10 | 2015-12-10 | The phase insulation device of double breaking points change-over switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105355483A true CN105355483A (en) | 2016-02-24 |
| CN105355483B CN105355483B (en) | 2018-01-26 |
Family
ID=55331429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510917569.9A Active CN105355483B (en) | 2015-12-10 | 2015-12-10 | The phase insulation device of double breaking points change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105355483B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113555238A (en) * | 2020-04-24 | 2021-10-26 | 贵州振华群英电器有限公司（国营第八九一厂） | Contactor with arc separation |
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| CN203423535U (en) * | 2013-09-11 | 2014-02-05 | 天津市天低电控设备有限公司 | PC-level dual-power automatic transfer switch |
| CN204303616U (en) * | 2014-12-26 | 2015-04-29 | 广州白云电器设备股份有限公司 | A kind of can effective arc extinguishing and prevent from going here and there the PC level double power supply automatic transfer switch of arc |
| CN205564579U (en) * | 2015-12-10 | 2016-09-07 | 二一三电器(上海)有限公司 | Double break point change over switch's interphase insulation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101399137A (en) * | 2007-09-25 | 2009-04-01 | 浙江正泰电器股份有限公司 | Low-voltage plastic case breakers |
| CN102386029A (en) * | 2010-08-31 | 2012-03-21 | 上海良信电器股份有限公司 | Double-breakpoint movable contact spindle system of moulded case circuit breaker |
| CN102420061A (en) * | 2011-08-06 | 2012-04-18 | 安徽鑫龙电器股份有限公司 | Arc extinguish chamber structure of automatic PC (Personal Computer) level dual power change-over switch |
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| CN205564579U (en) * | 2015-12-10 | 2016-09-07 | 二一三电器(上海)有限公司 | Double break point change over switch's interphase insulation device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113555238A (en) * | 2020-04-24 | 2021-10-26 | 贵州振华群英电器有限公司（国营第八九一厂） | Contactor with arc separation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105355483B (en) | 2018-01-26 |
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