CN203659857U - A high-voltage-resistant photoelectric coupler - Google Patents
A high-voltage-resistant photoelectric coupler Download PDFInfo
- Publication number
- CN203659857U CN203659857U CN201420008258.1U CN201420008258U CN203659857U CN 203659857 U CN203659857 U CN 203659857U CN 201420008258 U CN201420008258 U CN 201420008258U CN 203659857 U CN203659857 U CN 203659857U
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- CN
- China
- Prior art keywords
- semiconductor light
- light receiver
- photogenerator
- convex lens
- high pressure
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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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- Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
Abstract
The utility model discloses a high-voltage-resistant photoelectric coupler comprising an enclosed tube shell and further comprising a signal input end and a signal output end connected to the head end and the tail end of the enclosed tube shell. Two opposite side walls in the enclosed tube well are provided with a semiconductor light emitter and a semiconductor light receiver. The semiconductor light emitter is electrically connected with the signal input end and the semiconductor light receiver is electrically connected with the signal output end. The semiconductor light emitter and the semiconductor light receiver are fixed on the same horizontal plane. A convex lens is fixed between the semiconductor light emitter and the semiconductor light receiver and nearer to the semiconductor light receiver. Mixed glue is dispersed in the scope of the connecting lines of two vertexes of the convex lens and two end points of a groove of the semiconductor light emitter at one end and in the scope of the connecting lines of the two vertexes of the convex lens and two end points of the semiconductor light receiver at the other end. The high-voltage-resistant photoelectric coupler has the beneficial effects of high photoelectric conversion efficiency, good insulation resistance performance, high voltage resistance, stable output current, saving of material and cost, small size, high reaction speed, unidirectional information transmission and high denoising capability.
Description
Technical field
The utility model belongs to photoelectricity element field, relates in particular to a kind of high pressure resistant photoelectrical coupler.
Background technology
Photoelectrical coupler is one electricity one light one power conversion device take light as the media transmission signal of telecommunication.It is made up of light emitting source and light-receiving device two parts.Light emitting source and light-receiving device are assembled in same airtight housing, with transparent insulator isolation, electric signal are converted to light signal by light-emitting component to each other, then receive light signal by photo detector and be converted to electric signal.
At present, prior art adopts contrast formula optocoupler more, it is direct-injection type optocoupler, the optocoupler of this mode because of the slide glass district of light-emitting component and the slide glass district of photo detector be aspectant, do not need to wrap up layer of transparent colloid, conveniently accomplish very high CTR value, but because contrast formula optocoupler is subject to the restriction of insulation distance between irradiation distance and Liang Ge slide glass district, its dielectric voltage withstand cannot be accomplished very high, and, contrast formula optocoupler wants to obtain good photoelectric conversion efficiency, just must improve and make precision, its manufacture difficulty is larger, be unfavorable for large-scale production photoelectrical coupler, can not adapt to the demand in market.
Summary of the invention
In view of the foregoing defects the prior art has, the utility model provides a kind of high pressure resistant and encapsulate simple photoelectrical coupler.
To achieve these goals, the technical scheme that the utility model adopts is as follows:
A kind of high pressure resistant photoelectrical coupler, comprise airtight shell, be connected to signal input part and the signal output part at described airtight shell head and the tail two ends, on inner relative two sidewalls of described airtight shell, photogenerator and semiconductor light receiver are set respectively, described photogenerator is electrically connected with described signal input part, and described semiconductor light receiver is electrically connected with described signal output part; Described photogenerator and described semiconductor light receiver are fixed in same level; Between described photogenerator and described semiconductor light receiver and near described semiconductor light receiver, fix convex lens, within the scope of the line between the described photogenerator groove two-end-point of two summits of described convex lens and one end and and the other end and described semiconductor light receiver two-end-point between line within the scope of all put epoxy glue.
Further, described photogenerator carries optical element district is arranged to fluted body, and described semiconductor light receiver carries optical element district is arranged to plane.
Further, described epoxy glue comprises insulating cement, silica gel and glue cake.
Further, described airtight shell inside is removed remaining space beyond described photogenerator, described semiconductor light receiver, epoxy glue and convex lens and is all encapsulated by black epoxy.
Further, described airtight shell adopts the shell of lighttight black insulation material.
Further, the light emitting source of described photogenerator is infraluminescence diode, and the light source that is subject to of described semiconductor light receiver is phototriode.
The beneficial effects of the utility model are: original contrast formula electricity coupling is transformed into plane formula electricity coupling by the utility model, between photogenerator and semiconductor light receiver, and fix convex lens near semiconductor light receiver, convex lens have optically focused effect, the light source launching from photogenerator in a large number very can be gathered in light-receiving device, photoelectric conversion efficiency is high, the design of plane formula reflection receivable, break through the short shortcoming of traditional contrast formula insulation distance, its insulation impedance performance increases, withstand voltage increases (reaching 8KV high pressure), adopt the effect of convex lens optically focused, make output current more stable, and insulation distance between photogenerator and semiconductor light receiver extends, the life-span of antijamming capability and product is improved, photogenerator and semiconductor light receiver be airtight being arranged in same closed shell all, save material and cost, the volume of photoelectrical coupler is little, photoelectric conversion efficiency is higher, the reaction speed of signal output part is just faster, and unidirectional delivery information, parasitic feedback is little, de-noising ability is stronger.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein: 1-signal input part, 2-signal output part, 3-photogenerator, 4-semiconductor light receiver, the airtight shell of 5-, 6-light-emitting diode, 7-phototriode, 8-convex lens, 9-light, 10-epoxy glue, 11-epoxy resin.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is further described.
With reference to the high pressure resistant photoelectrical coupler of one shown in accompanying drawing 1, comprise airtight shell 5, be connected to signal input part 1 and the signal output part 2 at described airtight shell 5 head and the tail two ends, described signal input part 1 arranges respectively two pins with described signal output part 2, on inner relative two sidewalls of described airtight shell 5, photogenerator 3 and semiconductor light receiver 4 are set respectively, one of them pin connects is responsible for ground connection, another pin is responsible for being connected with described photogenerator 3 or described semiconductor light receiver 4 connects, described photogenerator 3 is electrically connected with described signal input part 1, described semiconductor light receiver 4 is electrically connected with described signal output part 2, 3 years optical element districts of described photogenerator are arranged to fluted body, 4 years optical element districts of described semiconductor light receiver are arranged to plane, described photogenerator 3 is fixed in same level with described semiconductor light receiver 4, and the light emitting source of described photogenerator 3 is infraluminescence diode 6, and the light source that is subject to of described semiconductor light receiver 4 is phototriode 7, between described photogenerator 3 and described semiconductor light receiver 4, and fix convex lens 8 near described semiconductor light receiver 4, within the scope of line between the described photogenerator 3 groove two-end-points of 8 two summits of described convex lens and one end, and and the other end described in all put epoxy glue 10 within the scope of line between semiconductor light receiver 4 two-end-points, described epoxy glue 10 comprises insulating cement, silica gel and glue cake, glue cake can increase brightness, improve to greatest extent the brightness of described light-emitting diode 6, luminance loss is dropped to minimum, silica gel and insulating cement are as solidifying, strengthen the intensity of described convex lens 8, described airtight shell 5 inside are removed described photogenerator 3, described semiconductor light receiver 4, epoxy glue 10 and convex lens 8 and are all encapsulated by black epoxy 11 in remaining space in addition, described airtight shell 5 adopts the shell of lighttight black insulation material, can guarantee that the illumination of described light-emitting diode 6 does not leak outside.
First the signal of telecommunication is transported on the light-emitting diode 6 on described photogenerator 3 by signal input part 1, described light-emitting diode 6 is launched many light 9, many light 9 converges on described convex lens 8, assemble through of short duration light, light converges on phototriode 7, realizes the efficient conversion of electrical-optical-electricity.
The foregoing is only preferred version of the present utility model, not conduct is to restriction of the present utility model, and every equivalent transformation that utilizes the utility model specification and accompanying drawing content to do, all within protection range of the present utility model.
Claims (6)
1. a high pressure resistant photoelectrical coupler, comprise airtight shell (5), be connected to signal input part (1) and the signal output part (2) at described airtight shell (5) head and the tail two ends, on inner two the relative sidewalls of described airtight shell (5), photogenerator (3) and semiconductor light receiver (4) are set respectively, described photogenerator (3) is electrically connected with described signal input part (1), and described semiconductor light receiver (4) is electrically connected with described signal output part (2); It is characterized in that: described photogenerator (3) is fixed in same level with described semiconductor light receiver (4); Between described photogenerator (3) and described semiconductor light receiver (4) and near described semiconductor light receiver (4), fix convex lens (8), within the scope of the line between (8) two summits of described convex lens and described photogenerator (3) the groove two-end-point of one end and and the other end described in all put epoxy glue (10) within the scope of line between semiconductor light receiver (4) two-end-point.
2. high pressure resistant photoelectrical coupler according to claim 1, is characterized in that: described photogenerator (3) carries optical element district is arranged to fluted body, and described semiconductor light receiver (4) carries optical element district is arranged to plane.
3. high pressure resistant photoelectrical coupler according to claim 1, is characterized in that: described epoxy glue (10) comprises insulating cement, silica gel and glue cake.
4. high pressure resistant photoelectrical coupler according to claim 1, is characterized in that: described airtight shell (5) inside is removed described photogenerator (3), described semiconductor light receiver (4), epoxy glue (10) and convex lens (8) and all encapsulated by black epoxy (11) in remaining space in addition.
5. high pressure resistant photoelectrical coupler according to claim 1, is characterized in that: described airtight shell (5) adopts the shell of lighttight black insulation material.
6. high pressure resistant photoelectrical coupler according to claim 1, is characterized in that: the light emitting source of described photogenerator (3) is infraluminescence diode (6), and the light source that is subject to of described semiconductor light receiver (4) is phototriode (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008258.1U CN203659857U (en) | 2014-01-07 | 2014-01-07 | A high-voltage-resistant photoelectric coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008258.1U CN203659857U (en) | 2014-01-07 | 2014-01-07 | A high-voltage-resistant photoelectric coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203659857U true CN203659857U (en) | 2014-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420008258.1U Expired - Fee Related CN203659857U (en) | 2014-01-07 | 2014-01-07 | A high-voltage-resistant photoelectric coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203659857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730456A (en) * | 2014-01-07 | 2014-04-16 | 苏州承源光电科技有限公司 | High-pressure-resistant photoelectric coupler |
-
2014
- 2014-01-07 CN CN201420008258.1U patent/CN203659857U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730456A (en) * | 2014-01-07 | 2014-04-16 | 苏州承源光电科技有限公司 | High-pressure-resistant photoelectric coupler |
| CN103730456B (en) * | 2014-01-07 | 2017-02-08 | 苏州承源光电科技有限公司 | High-pressure-resistant photoelectric coupler |
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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 |
Granted publication date: 20140618 Termination date: 20150107 |
|
| EXPY | Termination of patent right or utility model |