CN203166867U - High-speed optical isolator with low power consumption - Google Patents
High-speed optical isolator with low power consumption Download PDFInfo
- Publication number
- CN203166867U CN203166867U CN 201320142596 CN201320142596U CN203166867U CN 203166867 U CN203166867 U CN 203166867U CN 201320142596 CN201320142596 CN 201320142596 CN 201320142596 U CN201320142596 U CN 201320142596U CN 203166867 U CN203166867 U CN 203166867U
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- Prior art keywords
- capacitor
- optocoupler
- resistor
- switch
- battery
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Abstract
The utility model discloses a high-speed optical isolator with low power consumption, which comprises a battery, a switch, an optical coupler, a resistor, a first capacitor, a second capacitor and a third capacitor, wherein a positive electrode output end of the battery is connected with a first end of the resistor and a first end of the first capacitor, a second end of the resistor is connected with a second end of the first capacitor and a positive electrode input end of the optical coupler, a negative electrode output end of the battery is connected with a first end of the switch and a negative electrode input end of the optical coupler, a second end of the switch is connected with an emitting electrode of the optical coupler, a first end of the third capacitor, a base electrode of the optical coupler, a second end of the third capacitor, a first end of the second capacitor, a positive electrode output end and a grounding end, and a second end of the second capacitor is connected with a collector electrode of the optical coupler and a positive electrode output end. The high-speed optical isolator disclosed by the utility model has the advantages of simple circuit structure, high conversion speed, low power consumption in conversion, and long service life.
Description
Technical field
The utility model relates to a kind of optical isolator, relates in particular to a kind of high-speed low-power-consumption optical isolator.
Background technology
Optical isolator is particularly suitable for the equipment instrument adapted with the isolation of needs electricity.Isolator has another name called signal isolator, is important component part in the industrial control system.At present, speed was lower when the optical isolator of use was changed output with input signal, and the function that consumes is bigger.
The utility model content
The purpose of this utility model provides a kind of high-speed low-power-consumption optical isolator with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises battery, switch, optocoupler, resistor, first capacitor, second capacitor and the 3rd capacitor, the cathode output end of described battery is connected with first end of described resistor and first end of described first capacitor respectively, second end of described resistor is connected with second end of described first capacitor and the electrode input end of described optocoupler respectively, the cathode output end of described battery is connected with first end of described switch and the negative input of described optocoupler respectively, second end of described switch respectively with the emitter of described optocoupler, first end of described the 3rd capacitor, the base stage of described optocoupler, second end of described the 3rd capacitor, first end of described second capacitor, cathode output end is connected with earth terminal, and second end of described second capacitor is connected with cathode output end with the collector electrode of described optocoupler respectively.
The beneficial effects of the utility model are:
The utlity model has the advantage that power is lower and useful life is long that circuit structure is simple, conversion speed very fast, consume when changing.
Description of drawings
Fig. 1 is the circuit diagram of high-speed low-power-consumption optical isolator described in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, the utility model comprises battery E, switch S, optocoupler IC, resistor R1, the first capacitor C1, the second capacitor C2 and the 3rd capacitor C3, the cathode output end of battery E is connected with first end of resistor R1 and first end of the first capacitor C1 respectively, second end of resistor R1 is connected with second end of the first capacitor C1 and the electrode input end of optocoupler IC respectively, the cathode output end of battery E is connected with first end of switch S and the negative input of optocoupler IC respectively, second end of switch S respectively with the emitter of optocoupler IC, first end of the 3rd capacitor C3, the base stage of optocoupler IC, second end of the 3rd capacitor C3, first end of the second capacitor C2, cathode output end is connected with earth terminal, and second end of the second capacitor C2 is connected with cathode output end with the collector electrode of optocoupler IC respectively.
Claims (1)
1. high-speed low-power-consumption optical isolator, it is characterized in that: comprise battery, switch, optocoupler, resistor, first capacitor, second capacitor and the 3rd capacitor, the cathode output end of described battery is connected with first end of described resistor and first end of described first capacitor respectively, second end of described resistor is connected with second end of described first capacitor and the electrode input end of described optocoupler respectively, the cathode output end of described battery is connected with first end of described switch and the negative input of described optocoupler respectively, second end of described switch respectively with the emitter of described optocoupler, first end of described the 3rd capacitor, the base stage of described optocoupler, second end of described the 3rd capacitor, first end of described second capacitor, cathode output end is connected with earth terminal, and second end of described second capacitor is connected with cathode output end with the collector electrode of described optocoupler respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201320142596 CN203166867U (en) | 2013-03-27 | 2013-03-27 | High-speed optical isolator with low power consumption |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201320142596 CN203166867U (en) | 2013-03-27 | 2013-03-27 | High-speed optical isolator with low power consumption |
Publications (1)
Publication Number | Publication Date |
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CN203166867U true CN203166867U (en) | 2013-08-28 |
Family
ID=49028020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201320142596 Expired - Fee Related CN203166867U (en) | 2013-03-27 | 2013-03-27 | High-speed optical isolator with low power consumption |
Country Status (1)
Country | Link |
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CN (1) | CN203166867U (en) |
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2013
- 2013-03-27 CN CN 201320142596 patent/CN203166867U/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 | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20140327 |