CN102237222A - Vacuum relay - Google Patents
Vacuum relay Download PDFInfo
- Publication number
- CN102237222A CN102237222A CN2010101668873A CN201010166887A CN102237222A CN 102237222 A CN102237222 A CN 102237222A CN 2010101668873 A CN2010101668873 A CN 2010101668873A CN 201010166887 A CN201010166887 A CN 201010166887A CN 102237222 A CN102237222 A CN 102237222A
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- Prior art keywords
- contact point
- vacuum chamber
- point bar
- vacuum
- contact
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a vacuum relay which comprises a ceramic vacuum chamber and three contact point poles rods which penetrate through the side walls of the vacuum chamber in a sealed and spaced manner, wherein the three contact point poles are respectively a normally open contact point pole, a normally close contact point pole and a common contact point pole; a contact piece is arranged on one end of the common contact point pole, which faces the inside of the vacuum chamber; a pair of contact arms on the contact piece is bent for forming, back to the common contact point pole; the ceramic vacuum chamber is in the shape of an open cylinder, the side wall at the opening of the ceramic vacuum chamber extends outwards to form a ring-shaped boss, thus the insulation distance between the ceramic vacuum and the ground can be increased and the withstand voltage level of the product can be improved.
Description
Technical field
The present invention relates to a kind ofly can control interrupted electronic component automatically, especially a kind of vacuum relay.
Background technology
At present, existing ceramic vacuum relay is made up of vacuum chamber, running part, coil etc. on the market, relay withstand voltage is in depending on vacuum chamber the contact gap, also depend on the insulation against ground distance that vacuum chamber is outer, existing vacuum chamber, it forms magnetic tube and is shapes such as cylindrical, square column type, its interior spatial volume of this class relay has just determined its insulation against ground distance, promptly limited the withstand voltage degree of relay, and contact chip has limited because of its size range is limited and has passed through current capacity in the vacuum chamber; On the other hand, often the opening of existing conventional ceramic vacuum relay, normally closed contact point distribute consistently on the market, and when the user needed mounted in pairs, its wiring intersects made the shared exceptional space of wiring bigger, had increased installing space and had been not easy to and installed.
Summary of the invention
In order to overcome above-mentioned defective, the invention provides a kind of vacuum relay, withstand voltage higher, stronger under the certain situation of interior spatial volume by current capacity.
The present invention for the technical scheme that solves its technical problem and adopt is:
A kind of vacuum relay, comprise that ceramic vacuum chamber and sealed spacer are located in three contact point bars on the sidewall of vacuum chamber, these three contact point bars are respectively often drives the contact point bar, normally closed contact point bar and public contact point bar, the end of wherein public contact point bar in vacuum chamber is provided with contact chip, a pair of contact arm on the described contact chip is public contact point bar bending forming dorsad, the ceramic vacuum chamber is the open circles tubbiness, the opening part side wall surface of described ceramic vacuum chamber expands outwardly and is formed with a circle boss, so just increase the insulation against ground distance of ceramic vacuum chamber, improved the withstand voltage level of product.
As a further improvement on the present invention, it is step-like that described boss is multi-stage annular, and the step surface width of ring-shaped steps at different levels radially dwindles towards the sealing surface of vacuum chamber from the opening part of vacuum chamber one by one along the side wall surface of vacuum chamber.
As a further improvement on the present invention, described boss is circular.
As a further improvement on the present invention, be the chamfering transition between the opening part ora terminalis of described boss and ceramic vacuum chamber.
As a further improvement on the present invention, the both sides of the contact arm on the described contact chip are inwardly offered the formation breach respectively because of the contact arm bending place, the bight distortion takes place and forms crackle in the bending place that can prevent contact chip like this, thereby the contact arm of contact chip is widened as far as possible, in limited size range to reach the maximum electric current that passes through.
As a further improvement on the present invention, the layout of often driving contact point bar, normally closed contact point bar and public contact point bar that described ceramic vacuum chamber wears consistent with conventional vacuum relay contact point bar layout (conventional vacuum relay contact point bar layout is a structure known in those skilled in the art, and this place no longer is described in detail out its concrete structure).
As a further improvement on the present invention, the relative conventional vacuum relay contact point bar placement position with normally closed contact point bar of contact point bar of often opening that described ceramic vacuum chamber wears exchanges (conventional vacuum relay contact point bar layout is a structure known in those skilled in the art, and this place no longer is described in detail out its concrete structure).Often open the location swap of contact point bar and normally closed contact point bar, form the vacuum relay that contact point oppositely distributes, cooperate, can make things convenient for user's mounted in pairs vacuum relay with the vacuum relay of contact point normal distribution, reduce the needed exceptional space of wiring, dwindled installing space greatly.
Can suitably increase the radial section diameter of contact point bar during concrete enforcement,, further increase the withstand voltage properties of relay to increase the insulation distance between the external contact of vacuum chamber.
The invention has the beneficial effects as follows: the opening part side wall surface of ceramic vacuum of the present invention chamber expands outwardly and is formed with a circle boss, has so just increased the insulation against ground distance of ceramic vacuum chamber, has improved the withstand voltage level of product; The both sides of the contact arm on the contact chip that is adopted are inwardly offered the formation breach respectively because of the contact arm bending place, the bight distortion takes place and forms crackle in the bending place that can prevent contact chip like this, thereby the contact arm of contact chip is widened as far as possible, in limited size range to reach the maximum electric current that passes through; The vacuum relay of designing reverse vacuum relay that distributes of contact point and contact point normal distribution simultaneously fits in using, and can make things convenient for user's mounted in pairs vacuum relay, reduces the needed exceptional space of wiring, has dwindled installing space greatly.
Description of drawings
Fig. 1 is the vertical view of the conventional vacuum relay that the present invention contrasted;
Fig. 2 is the vertical view of the reverse vacuum relay that distributes of contact point described in the present invention;
Fig. 3 is the wiring schematic diagram of conventional vacuum relay mounted in pairs;
Fig. 4 is the reverse vacuum relay that distributes of contact point of the present invention cooperates mounted in pairs with the vacuum relay of contact point normal distribution a wiring schematic diagram;
Fig. 5 is a schematic appearance of the present invention.
Embodiment
Embodiment: a kind of vacuum relay, comprise that ceramic vacuum chamber 1 and sealed spacer are located in three contact point bars on the sidewall of vacuum chamber 1, these three contact point bars are respectively often drives contact point bar 21, normally closed contact point bar 22 and public contact point bar 23, the end of wherein public contact point bar 23 in vacuum chamber is provided with contact chip 4, a pair of contact arm 40 on the described contact chip 4 is public contact point bar 23 bending formings dorsad, ceramic vacuum chamber 1 is the open circles tubbiness, the opening part side wall surface of described ceramic vacuum chamber 1 expands outwardly and is formed with a circle boss 3, so just increase the insulation against ground distance of ceramic vacuum chamber, improved the withstand voltage level of product.
It is step-like that described boss 3 is multi-stage annular, and the step surface width of ring-shaped steps at different levels radially dwindles towards the sealing surface of vacuum chamber 1 from the opening part of vacuum chamber 1 one by one along the side wall surface of vacuum chamber 1.
Described boss 3 is circular.
Be the chamfering transition between the opening part ora terminalis of described boss 3 and ceramic vacuum chamber 1.
The both sides of the contact arm 40 on the described contact chip 4 are inwardly offered respectively because of contact arm 40 bending places and are formed breach 5, the bight distortion takes place and forms crackle in the bending place that can prevent contact chip 4 like this, thereby the contact arm of contact chip 4 is widened as far as possible, in limited size range to reach the maximum electric current that passes through.
The layout of often driving contact point bar 21, normally closed contact point bar 22 and public contact point bar 23 that described ceramic vacuum chamber 1 wears consistent with conventional vacuum relay contact point bar layout (conventional vacuum relay contact point bar layout is a structure known in those skilled in the art, and this place no longer is described in detail out its concrete structure).
The contact point bar 21 of often opening that described ceramic vacuum chamber 1 wears exchanges (conventional vacuum relay contact point bar layout is a structure known in those skilled in the art, and this place no longer is described in detail out its concrete structure) with normally closed contact point bar 22 relative conventional vacuum relay contact point bar placement positions.Often open the location swap of contact point bar 21 and normally closed contact point bar 22, form the vacuum relay (see figure 2) that contact point oppositely distributes, cooperate with the vacuum relay (see figure 1) of contact point normal distribution, can make things convenient for user's mounted in pairs vacuum relay, reduce the needed exceptional space of wiring, dwindled installing space (seeing Fig. 3,4) greatly.
Can suitably increase the radial section diameter of contact point bar during concrete enforcement,, further increase the withstand voltage properties of relay to increase the insulation distance between the external contact of vacuum chamber.
Claims (7)
1. vacuum relay, comprise that ceramic vacuum chamber (1) and sealed spacer are located in three contact point bars on the sidewall of vacuum chamber (1), these three contact point bars are respectively and often drive contact point bar (21), normally closed contact point bar (22) and public contact point bar (23), the end of wherein public contact point bar (23) in vacuum chamber is provided with contact chip (4), a pair of contact arm (40) on the described contact chip (4) is public contact point bar (23) bending forming dorsad, ceramic vacuum chamber (1) is the open circles tubbiness, it is characterized in that: the opening part side wall surface of described ceramic vacuum chamber (1) expands outwardly and is formed with a circle boss (3).
2. vacuum relay according to claim 1, it is characterized in that: it is step-like that described boss (3) is multi-stage annular, and the step surface width of ring-shaped steps at different levels radially dwindles towards the sealing surface of vacuum chamber (1) from the opening part of vacuum chamber (1) one by one along the side wall surface of vacuum chamber (1).
3. vacuum relay according to claim 1 is characterized in that: described boss (3) is circular.
4. according to claim 1,2 or 3 described vacuum relays, it is characterized in that: be the chamfering transition between the opening part ora terminalis of described boss (3) and ceramic vacuum chamber (1).
5. according to claim 1,2 or 3 described vacuum relays, it is characterized in that: the both sides of the contact arm (40) on the described contact chip (4) are inwardly offered respectively because of contact arm (40) bending place and are formed breach (5).
6. according to claim 1,2 or 3 described vacuum relays, it is characterized in that: the layout of often driving contact point bar (21), normally closed contact point bar (22) and public contact point bar (23) that described ceramic vacuum chamber (1) wears is consistent with conventional vacuum relay contact point bar layout.
7. according to claim 1,2 or 3 described vacuum relays, it is characterized in that: the relative conventional vacuum relay contact point bar placement position with normally closed contact point bar (22) of contact point bar (21) of often opening that described ceramic vacuum chamber (1) wears exchanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101668873A CN102237222A (en) | 2010-04-30 | 2010-04-30 | Vacuum relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101668873A CN102237222A (en) | 2010-04-30 | 2010-04-30 | Vacuum relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102237222A true CN102237222A (en) | 2011-11-09 |
Family
ID=44887768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101668873A Pending CN102237222A (en) | 2010-04-30 | 2010-04-30 | Vacuum relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102237222A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105264630A (en) * | 2013-06-06 | 2016-01-20 | 株式会社明电舍 | Sealed relay |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2912539A (en) * | 1958-01-20 | 1959-11-10 | Jennings Radio Mfg Corp | Vacuum relay |
| US3001046A (en) * | 1958-05-07 | 1961-09-19 | Jennings Radio Mfg Corp | Vacuum relay |
| US5830405A (en) * | 1993-09-03 | 1998-11-03 | Raychem Corporation | Molding methods, track resistant silicone elastomer compositions and improved molded parts with better arcing, flashover and pollution resistance |
| CN2563718Y (en) * | 2002-08-30 | 2003-07-30 | 贵州恒昌科技开发有限公司 | Silicon rubber dirt-proof flashing increase climbing apron |
| CN201374285Y (en) * | 2009-03-16 | 2009-12-30 | 昆山国力真空电器有限公司 | Vacuum relay |
| CN201838504U (en) * | 2010-04-30 | 2011-05-18 | 昆山国力真空电器有限公司 | Vacuum relay |
-
2010
- 2010-04-30 CN CN2010101668873A patent/CN102237222A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2912539A (en) * | 1958-01-20 | 1959-11-10 | Jennings Radio Mfg Corp | Vacuum relay |
| US3001046A (en) * | 1958-05-07 | 1961-09-19 | Jennings Radio Mfg Corp | Vacuum relay |
| US5830405A (en) * | 1993-09-03 | 1998-11-03 | Raychem Corporation | Molding methods, track resistant silicone elastomer compositions and improved molded parts with better arcing, flashover and pollution resistance |
| CN2563718Y (en) * | 2002-08-30 | 2003-07-30 | 贵州恒昌科技开发有限公司 | Silicon rubber dirt-proof flashing increase climbing apron |
| CN201374285Y (en) * | 2009-03-16 | 2009-12-30 | 昆山国力真空电器有限公司 | Vacuum relay |
| CN201838504U (en) * | 2010-04-30 | 2011-05-18 | 昆山国力真空电器有限公司 | Vacuum relay |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105264630A (en) * | 2013-06-06 | 2016-01-20 | 株式会社明电舍 | Sealed relay |
| CN105264630B (en) * | 2013-06-06 | 2018-11-09 | 株式会社明电舍 | Enclosed shape relay |
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| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20111109 |