CN203166867U - High-speed optical isolator with low power consumption - Google Patents

High-speed optical isolator with low power consumption Download PDF

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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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CN
China
Prior art keywords
capacitor
optocoupler
resistor
switch
battery
Prior art date
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.)
Expired - Fee Related
Application number
CN 201320142596
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Chinese (zh)
Inventor
杨维国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SICHUAN HONGYA WEIGUO OPTICS CO Ltd
Original Assignee
SICHUAN HONGYA WEIGUO OPTICS CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Priority to CN 201320142596 priority Critical patent/CN203166867U/en
Application granted granted Critical
Publication of CN203166867U publication Critical patent/CN203166867U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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

The high-speed low-power-consumption optical isolator
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.
CN 201320142596 2013-03-27 2013-03-27 High-speed optical isolator with low power consumption Expired - Fee Related CN203166867U (en)

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
CN203166867U true CN203166867U (en) 2013-08-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
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
CN (1) CN203166867U (en)

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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