CN203720230U - Optoelectronic isolation apparatus - Google Patents
Optoelectronic isolation apparatus Download PDFInfo
- Publication number
- CN203720230U CN203720230U CN201320856479.XU CN201320856479U CN203720230U CN 203720230 U CN203720230 U CN 203720230U CN 201320856479 U CN201320856479 U CN 201320856479U CN 203720230 U CN203720230 U CN 203720230U
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- China
- Prior art keywords
- pulse
- circuit module
- light emitting
- emitting diode
- pulse transmitter
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- Expired - Lifetime
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- 238000002955 isolation Methods 0.000 title claims abstract description 18
- 230000005693 optoelectronics Effects 0.000 title abstract 6
- 230000003287 optical effect Effects 0.000 claims description 21
- 238000005070 sampling Methods 0.000 abstract description 8
- 238000012360 testing method Methods 0.000 abstract description 7
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000036039 immunity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model discloses an optoelectronic isolation apparatus. The apparatus comprises a pulse transmitter, an optoelectronic sampling device, and a fixing board. The pulse transmitter is fixed to one end of the fixing board. The optoelectronic sampling device is fixed to the other end of the fixing board. The pulse transmitter and the optoelectronic sampling device are arranged at an interval. The pulse transmitter comprises pulse input terminals, a drive circuit module, and a light emitting diode. The pulse input terminals are connected with the light emitting diode electrically through the drive circuit module. The optoelectronic sampling device comprises a photosensitive diode, an output circuit module, and pulse output terminals. The photosensitive diode is electrically connected with the pulse output terminals through the output circuit module. The photosensitive diode is arranged at a position corresponding to the position of the light emitting diode. The utility model can thoroughly solves the problem that testing equipment may be interfered as a lead wire senses high-frequency interference signals. The apparatus is small in size, light in weight, and convenient to move and carry.
Description
Technical field
The utility model relates to optical isolation, relates in particular to a kind of optical isolation.
Background technology
In the radio frequency electromagnetic field conduction interference immunity experiment and radiation disturbance immunity experiment of electric energy meter electromagnetism compatibility test, the measuring accuracy that needs use test monitoring of tools electric energy meter, employing, by between the direct connection device of sampling pulse connecting line and tested ammeter, is measured electric energy meter measuring accuracy.Yet, adopting above-mentioned syndeton, stube cable can sense radio frequency electromagnetic field, and then causes that testing apparatus operation irregularity produces undesired signal, cannot go on above-mentioned test job or cannot draw measurement result accurately.In view of this, be necessary above-mentioned structure to be further improved.
Utility model content
The utility model provides a kind of optical isolation, mainly solve be available technology adopting by between the direct connection device of sampling pulse connecting line and tested ammeter, measure the inaccurate problem of result of the measuring accuracy of electric energy meter.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of optical isolation is provided, comprises pulse transmitter, photoelectric sampler and fixed head; Described pulse transmitter is fixed the one end with fixed head, and described photoelectric sampler is fixed on the other end of fixed head, and pulse transmitter and the setting of photoelectric sampler interval; Described pulse transmitter comprises pulse input end, drive circuit module and light emitting diode, and described pulse input end is electrically connected to light emitting diode by drive circuit module; Described photoelectric sampler comprises photodiode, output circuit module and pulse output end, and described photodiode is electrically connected to pulse output end by output circuit module; Described photodiode arranges corresponding to the position of light emitting diode.
Wherein, described pulse transmitter is shaped as rectangular parallelepiped; One side of pulse transmitter is provided with pulse input end, and its relative opposite side is provided with light emitting diode.
Wherein, described photoelectric sampler is shaped as rectangular parallelepiped; The sidewall that photoelectric sampler is relative with pulse transmitter is provided with photodiode, and its relative opposite side is provided with pulse output end.
Wherein, described drive circuit module comprises the first driving power and the first resistance; Described the first driving power is by the first resistance sending and receiving optical diode.
Wherein, described output circuit module comprises the second driving power and the second resistance, and described the second driving power connects photodiode by the second resistance.
Useful technique effect of the present utility model is: be different from available technology adopting by between the direct connection device of sampling pulse connecting line and tested ammeter, measure the inaccurate problem of result of the measuring accuracy of electric energy meter, the utility model provides a kind of optical isolation, comprise pulse transmitter, photoelectric sampler and fixed head, this pulse transmitter and photoelectric sampler are all fixed on fixed head, and keep pulse transmitter and photoelectric sampler interval to arrange; This pulse transmitter side is provided with light emitting diode, and side corresponding to photoelectric sampler is provided with photodiode.Pulse signal is by the input of pulse input end and be delivered to light emitting diode luminous through drive circuit module, and photodiode receiving optical signals is also delivered to pulse output end by output circuit, and then by the outwards output of pulse output end.The utility model, by electric impulse signal is converted to light pulse signal, is isolated by photoelectricity, prevents circuit direct-coupling, thoroughly solves because lead-in wire senses the problem that high-frequency interferencing signal disturbs testing apparatus; Structure and circuit are simple, low cost of manufacture; Volume is little, lightweight, can move easily and carry.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model optical isolation;
Fig. 2 is the principle of work block diagram of the utility model optical isolation;
Fig. 3 is the circuit diagram of the utility model optical isolation.
Label declaration:
1-pulse transmitter, 2-pulse input end, 3-fixed head, 4-light emitting diode, 5-photodiode, 6-photoelectric sampler, 7-pulse output end.
Embodiment
By describing technology contents of the present utility model, structural attitude in detail, being realized object and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
Refer to Fig. 1 and Fig. 2, a kind of optical isolation of present embodiment, comprises pulse transmitter 1, photoelectric sampler 6 and fixed head 3; Described pulse transmitter 1 is fixed the one end with fixed head 3, and described photoelectric sampler 6 is fixed on the other end of fixed head 3, and pulse transmitter 1 arranges with photoelectric sampler 6 intervals; Described pulse transmitter 1 comprises pulse input end 2, drive circuit module and light emitting diode 4, and described pulse input end 2 is electrically connected to light emitting diode 4 by drive circuit module; Described photoelectric sampler 6 comprises photodiode 5, output circuit module and pulse output end 7, and described photodiode 5 is electrically connected to pulse output end 7 by output circuit module; Described photodiode 5 arranges corresponding to the position of light emitting diode 4.Pulse signal is delivered to pulse input end 2 by pulse signal connecting line, this pulse signal is delivered to light emitting diode 4 and sends visible ray through drive circuit module, photodiode 5 receives visible light signal and is delivered to pulse output end 7 by output circuit, and then by outwards exporting with the pulse output end 7 pulse signal connecting lines that are connected.
In a specific embodiment, described pulse transmitter 1 be shaped as rectangular parallelepiped; One side of pulse transmitter 1 is provided with pulse input end 2, and its relative opposite side is provided with light emitting diode 4.Described photoelectric sampler 6 be shaped as rectangular parallelepiped; The sidewall that photoelectric sampler 6 is relative with pulse transmitter 1 is provided with photodiode 5, and its relative opposite side is provided with pulse output end 7.Said apparatus is simple in structure, and production cost is low.
Consult Fig. 3, in a specific embodiment, described drive circuit module comprises the first driving power B1 and the first resistance R 1; Described the first driving power B1 is by the first resistance R 1 sending and receiving optical diode D1.This first driving power B1 provide driving voltage, and the first resistance R 1 is served as load, protection light emitting diode D1.
In a specific embodiment, described output circuit module comprises the second driving power VCC and the second resistance R 2, and described the second driving power VCC meets photodiode D2 by the second resistance R 2.This second driving power VCC provide driving voltage, and the second resistance R 2 is served as load, protection photodiode D2.Whole circuit structure is simple, is convenient to large-scale production.
The utility model is different from available technology adopting by between the direct connection device of sampling pulse connecting line and tested ammeter, measure the inaccurate problem of result of the measuring accuracy of electric energy meter, the utility model provides a kind of optical isolation, comprise pulse transmitter, photoelectric sampler and fixed head, this pulse transmitter and photoelectric sampler are all fixed on fixed head, and keep pulse transmitter and photoelectric sampler interval to arrange; This pulse transmitter side is provided with light emitting diode, and side corresponding to photoelectric sampler is provided with photodiode.Pulse signal is by the input of pulse input end and be delivered to light emitting diode luminous through drive circuit module, and photodiode receiving optical signals is also delivered to pulse output end by output circuit, and then by the outwards output of pulse output end.The utility model, by electric impulse signal is converted to light pulse signal, is isolated by photoelectricity, prevents circuit direct-coupling, thoroughly solves because lead-in wire senses the problem that high-frequency interferencing signal disturbs testing apparatus; Structure and circuit are simple, low cost of manufacture; Volume is little, lightweight, can move easily and carry.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. an optical isolation, is characterized in that, comprises pulse transmitter, photoelectric sampler and fixed head; Described pulse transmitter is fixed the one end with fixed head, and described photoelectric sampler is fixed on the other end of fixed head, and pulse transmitter and the setting of photoelectric sampler interval;
Described pulse transmitter comprises pulse input end, drive circuit module and light emitting diode, and described pulse input end is electrically connected to light emitting diode by drive circuit module; Described photoelectric sampler comprises photodiode, output circuit module and pulse output end, and described photodiode is electrically connected to pulse output end by output circuit module; Described photodiode arranges corresponding to the position of light emitting diode.
2. optical isolation according to claim 1, is characterized in that, described pulse transmitter be shaped as rectangular parallelepiped; One side of pulse transmitter is provided with pulse input end, and its relative opposite side is provided with light emitting diode.
3. optical isolation according to claim 1, is characterized in that, described photoelectric sampler be shaped as rectangular parallelepiped; The sidewall that photoelectric sampler is relative with pulse transmitter is provided with photodiode, and its relative opposite side is provided with pulse output end.
4. according to the optical isolation described in claim 2 or 3, it is characterized in that, described drive circuit module comprises the first driving power and the first resistance; Described the first driving power is by the first resistance sending and receiving optical diode.
5. according to the optical isolation described in claim 2 or 3, it is characterized in that, described output circuit module comprises the second driving power and the second resistance, and described the second driving power connects photosensitive tube by the second resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320856479.XU CN203720230U (en) | 2013-12-23 | 2013-12-23 | Optoelectronic isolation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320856479.XU CN203720230U (en) | 2013-12-23 | 2013-12-23 | Optoelectronic isolation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203720230U true CN203720230U (en) | 2014-07-16 |
Family
ID=51159371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320856479.XU Expired - Lifetime CN203720230U (en) | 2013-12-23 | 2013-12-23 | Optoelectronic isolation apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203720230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932748A (en) * | 2016-09-18 | 2017-07-07 | 北京市计量检测科学研究院 | Electric energy meter tests means for anti-jamming |
-
2013
- 2013-12-23 CN CN201320856479.XU patent/CN203720230U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932748A (en) * | 2016-09-18 | 2017-07-07 | 北京市计量检测科学研究院 | Electric energy meter tests means for anti-jamming |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |
|
| CX01 | Expiry of patent term |