CN202197445U - Self-trigger - Google Patents
Self-trigger Download PDFInfo
- Publication number
- CN202197445U CN202197445U CN2011201824335U CN201120182433U CN202197445U CN 202197445 U CN202197445 U CN 202197445U CN 2011201824335 U CN2011201824335 U CN 2011201824335U CN 201120182433 U CN201120182433 U CN 201120182433U CN 202197445 U CN202197445 U CN 202197445U
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- support
- silver contact
- conduction
- trigger
- sheet metal
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Abstract
The utility model relates to a self-trigger, which comprises a base, a first conducting connecting support and a second conducting connecting support, wherein the first conducting connecting support and the second conducting connecting support are arranged oppositely. Sliver contacts are arranged on opposite sides of the two conducting connecting supports. A double-layer metal sheet formed by two metal sheets with different expansion coefficients is arranged between the two conducting connecting supports. The metal sheet with a big expansion coefficient faces the first conducting connecting support and is provided with a third sliver contact corresponding to a first silver contact on the first conducting connecting support. The metal sheet with a small expansion coefficient faces the second conducting connecting support and is provided with a fourth silver contact corresponding to the second silver contact on the second conducting connecting support. The third silver contact is contacted with the first silver contact, the fourth silver contact is disconnected with the second silver contact, and the double-layer metal sheet is electrically connected with the second conducting connecting support. The self-trigger has a function of generating high voltage and can trigger a high voltage sodium lamp to start.
Description
Technical field
The utility model relates to a kind of from trigger, is used to trigger high-pressure sodium lamp, belongs to the electric source lighting technical field of electric appliances.
Background technology
The high intensity discharge light source is the third generation in the world lighting source, because it has light efficiency height, long, color rendering index advantages of higher of life-span, is widely used in the every field of indoor and outdoor lighting such as station, harbour, road, airport, warehouse, market.Wherein use the most extensive with metal halide lamp and high-pressure sodium lamp.
High-intensity gas discharge lamp utilizes high duty metal vapor electric discharge principle of luminosity to make; High intensity discharge need could be stablized foundation under the condition that rectifier and auxiliary actuating apparatus are arranged; For quartz metal halide lamp; General auxiliary actuating apparatus is a kind of electronic trigger that in appliance circuit, adds, and a kind of in addition is in quartz arc tube, to enclose auxiliary electrode to help to start.For high-pressure sodium lamp, because electric arc tube is a ceramic material, can't install auxiliary electrode additional for it, common auxiliary actuating apparatus is external electronic trigger.
In U.S. standard gold halogen lamp electrical equipment, in order to practice thrift cost, be employed in quartz arc tube and enclose auxiliary electrode and help startup, therefore in the type electrical equipment, do not contain trigger.Because it is higher that sodium vapor lamp has a light efficiency, do not lure characteristics such as worm, in some occasions such as plant illumination, has more practicality, so the user hopes to be combined in the U.S. standard gold halogen lamp electrical equipment in some fields and uses high-pressure sodium lamp.Make under the constant prerequisite of electrical appliance in maintenance, the sodium vapor lamp that needs to use in this case has from triggering function (can start from triggering).In the world; Only forms and trigger circuit and help the lamp startup by the advanced company of minority take in lamp, to pack into electric capacity, resistance, diode, assistant starting line; This technology is owing to require electric capacity to enclose in the lamp, and under 500 degrees centigrade high temperature its performance of assurance, technical difficulty is big, cost is high; And because components and parts are many, decreasing failure rate is high.
The utility model content
The purpose of the utility model is to overcome the defective that prior art exists, provide a kind of possess high pressure produce function from trigger, it can trigger high-pressure sodium lamp and start.
The utility model solves the technical scheme that its technical problem adopted: a kind of from trigger; Comprise pedestal; And be arranged on that first conduction that on the pedestal two are oppositely arranged connects supports and second conduction is connected support; The opposite face that this two conduction connects support is provided with silver contact; Be provided with by two range upon range of bimetallic strips that constitute of coefficient of expansion different metallic sheet between the said two conduction connection supports; The big sheet metal of the said coefficient of expansion connects support and this sheet metal towards first conduction and is provided with said first conduction and is connected corresponding the 3rd silver contact of first silver contact on the support, and the little sheet metal of the said coefficient of expansion connects support and this sheet metal towards second conduction and is provided with said second and conducts electricity and be connected corresponding the 4th silver contact of second silver contact on the support, and said the 3rd silver contact contacts with first silver contact; The 4th silver contact and second silver contact break off, and bimetallic strip is connected support with second conduction and is electrically connected.
Further, the sheet metal that the said coefficient of expansion is big is manganin manganin alloy or nichrome or nicalloy or nickel sheet metal; The sheet metal that the said coefficient of expansion is little is the dilval sheet metal, and wherein the weight percentage of nickel is 30～60%.
Further, the thickness of said bimetallic strip is 0.05～1.5mm, and width is 1.0～10.0mm.
Further, said bimetallic strip is tilting to be connected between the supports in two conductions, its upper end rely on that first conduction connects support and it on the 3rd silver contact contact with first silver contact, its lower end is welded on second and conducts electricity on the connection support.
Further, be connected with other components and parts for ease, be electrically connected with conductive lead wire on the said bimetallic strip or the second conduction connection support.
Further, be connected with other components and parts for ease, the said first conduction connection support and second conducts electricity to be connected and all is connected with conducting rod on the support.
Further, fixing for ease, be connected with fixed support on the said pedestal.
Further, it is that molybdenum connects support that said conduction connects support, and said conducting rod is a molybdenum rod.
Further, said pedestal is a base of ceramic.
Beneficial effect: (one) the utility model helps high-pressure sodium lamp to start through utilizing circuit to break off the induction high pressure that moment produced; (2) the utility model is a mechanical type; Simple in structure, with low cost, be easy to make in batches, and adopt two-way silver contact design, resistance is little; Effectively prevented arcing phenomenon, guaranteed the useful life and the reliable trigger property of the utility model owing to the excessive generation of resistance; (3) adopt the high-pressure sodium lamp of the utility model can be used in the high-power U.S. standard gold halogen lamp electrical equipment that does not contain external electronic trigger.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation.
Fig. 1 is the structural representation of the preferred embodiment of the utility model;
Fig. 2 be bimetallic strip analyse and observe the structure for amplifying sketch map.
Wherein: 1, base of ceramic; 2, first conduction connects support; 21, silver contact; 22, conducting rod; 3, second conduction connects support; 31, silver contact; 32, conducting rod; 4, bimetallic strip; 41, the big sheet metal of the coefficient of expansion; 42, the little sheet metal of the coefficient of expansion; 5, the 3rd silver contact; 6, the 4th silver contact; 7, conductive lead wire; 8, fixed support; 9, nickel strap.
Embodiment
Like Fig. 1, shown in Figure 2 a kind of from trigger; Comprise base of ceramic 1; And be arranged on two on the base of ceramic 1 first molybdenums that are oppositely arranged and connect supports 2 and be connected support 3 with second molybdenum; The opposite face that this two molybdenum connects support 2,3 is provided with silver contact 21,31; Said two molybdenums connect support 2, are provided with between 3 by two coefficient of expansion different metallic sheets, 41, the 42 range upon range of bimetallic strips that constitute 4; The big sheet metal 41 of the said coefficient of expansion connects support 2 and this sheet metal 41 towards first molybdenum and is provided with first silver contact, 21 corresponding the 3rd silver contacts 5 that are connected with said first molybdenum on the support 2, and the little sheet metal 42 of the said coefficient of expansion is provided with second silver contact, 31 corresponding the 4th silver contacts 6 that are connected with said second molybdenum on the support 3 towards second molybdenum connection support 3 and this sheet metal 42.Said bimetallic strip 4 is tilting to connect support 2 at two molybdenums, between 3; Its upper end rely on that first molybdenum connects support 2 and on it the 3rd silver contact 5 contact with first silver contact 21; Its lower end is welded on second molybdenum and connects on the support 3, and its 4th silver contact 6 and second silver contact 31 break off.Be connected with fixed support 8 on the said base of ceramic 1.Be electrically connected with copper lead-in wire 7 on said bimetallic strip 4 or second molybdenum connection support 3, the exit of said copper lead-in wire 7 is connected with nickel strap 9.Said first molybdenum connects support 2 and is connected with second molybdenum and all is connected with molybdenum rod 22,32 on the support 3.
The big sheet metal 41 of the said coefficient of expansion is processed by manganin manganin alloy or nichrome or nicalloy or nickel.The little sheet metal of the said coefficient of expansion 42 is processed by dilval, and wherein the weight percentage of nickel is 30～60%.The thickness of said bimetallic strip 4 is 0.05～1.5mm, and width is 1.0～10.0mm, can determine according to the ballast electric current that reality is used.
Shown in silver contact 21,31,5,6 all adopt the riveted joint mode to be connected support 2,3 and bimetallic strip 4 with two molybdenums to be connected.
Preferred embodiment: when in the high-pressure sodium lamp that is used in 940w, the thickness of bimetallic strip 4 is 0.15mm, and width is 2.8mm, and length is 26mm, and the sheet metal 41 that the coefficient of expansion is big adopts nicalloys to process.
Operation principle: when power connection, electric current is introduced by molybdenum rod 22,32, at this moment the 3rd silver contact 5 and first silver contact, 21 closures of bimetallic strip 4; Through ballast short circuit current heating bimetallic strip 4, treat 2～5 seconds after, bimetallic strip 4 produces distortion to little sheet metal 42 directions of the coefficient of expansion; The 3rd silver contact 5 and the 21 moments disconnection of first silver contact; The induction high pressure that produces can be used for electric arc tube is lighted, and the heat that produces in the lamp ignition procedures makes bimetallic strip 4 continuous deformations, and the 4th silver contact 6 contacts with second silver contact 31 on it; Break off the electric current of bimetallic strip 4, guaranteed the useful life of bimetallic strip 4.
Should be appreciated that specific embodiment described above only is used to explain the utility model, and be not used in qualification the utility model.By the spirit conspicuous variation of being extended out of the utility model or change and still be among the protection range of the utility model.
Claims (10)
1. one kind from trigger; It is characterized in that: comprise pedestal (1); And be arranged on first conduction that on the pedestal (1) two are oppositely arranged and connect supports (2) and second and conduct electricity and be connected support (3); The opposite face that this two conduction connects support (2,3) is provided with silver contact (21,31); Be provided with bimetallic strip (4) between the said two conduction connection supports (2,3) by the range upon range of formation of two coefficient of expansion different metallic sheets (41,42); The sheet metal that the said coefficient of expansion is big (41) connects support (2) and this sheet metal (41) towards first conduction and is provided with said first conduction and is connected corresponding the 3rd silver contact of first silver contact (21) (5) on the support (2); The sheet metal that the said coefficient of expansion is little (42) connects support (3) and this sheet metal (42) towards second conduction and is provided with said second conduction and is connected corresponding the 4th silver contact of second silver contact (31) (6) on the support (3); Said the 3rd silver contact (5) contacts with first silver contact (21), and the 4th silver contact (6) breaks off with second silver contact (31), and bimetallic strip (4) is connected support (3) with second conduction and is electrically connected.
2. according to claim 1 a kind of from trigger, it is characterized in that: the sheet metal that the said coefficient of expansion is big (41) is manganin manganin alloy or nichrome or nicalloy or nickel sheet metal.
3. according to claim 2 a kind of from trigger, it is characterized in that: the sheet metal that the said coefficient of expansion is little (42) is the dilval sheet metal.
4. according to claim 3 a kind of from trigger, it is characterized in that: the thickness of said bimetallic strip (4) is 0.05～1.5mm, and width is 1.0～10.0mm.
5. described a kind of from trigger according to any claim among the claim 1-4; It is characterized in that: said bimetallic strip (4) is tilting to be connected between the support (2,3) in two conductions; Its upper end rely on that first conduction connects support (2) and it on the 3rd silver contact (5) contact with first silver contact (21), its lower end is welded on second and conducts electricity on the connection support (3).
6. described a kind of from trigger according to any claim among the claim 1-4, it is characterized in that: be electrically connected with conductive lead wire (7) on the said bimetallic strip (4) or the second conduction connection support (3).
7. described a kind of from trigger according to any claim among the claim 1-4, it is characterized in that: the said first conduction connection support (2) and second conducts electricity to be connected and all is connected with conducting rod (22,32) on the support (3).
8. described a kind of from trigger according to any claim among the claim 1-4, it is characterized in that: be connected with fixed support (8) on the said pedestal (1).
9. described a kind of from trigger according to any claim among the claim 1-4, it is characterized in that: said conduction connects support (2,3) and connects support for molybdenum, and said conducting rod (22,23) is a molybdenum rod.
10. described a kind of from trigger according to any claim among the claim 1-4, it is characterized in that: said pedestal (1) is a base of ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201824335U CN202197445U (en) | 2011-06-01 | 2011-06-01 | Self-trigger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201824335U CN202197445U (en) | 2011-06-01 | 2011-06-01 | Self-trigger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202197445U true CN202197445U (en) | 2012-04-18 |
Family
ID=45952342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201824335U Expired - Fee Related CN202197445U (en) | 2011-06-01 | 2011-06-01 | Self-trigger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202197445U (en) |
-
2011
- 2011-06-01 CN CN2011201824335U patent/CN202197445U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20170601 |