CN104021988A - Double-coil magnetic latching relay device with one-bit two-value conversion circuit - Google Patents
Double-coil magnetic latching relay device with one-bit two-value conversion circuit Download PDFInfo
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- CN104021988A CN104021988A CN201410229828.4A CN201410229828A CN104021988A CN 104021988 A CN104021988 A CN 104021988A CN 201410229828 A CN201410229828 A CN 201410229828A CN 104021988 A CN104021988 A CN 104021988A
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Abstract
The invention discloses a double-coil magnetic latching relay device with a one-bit two-value conversion circuit, which comprises a signal sampling circuit, a single limit voltage comparison circuit, a one-bit two-value conversion circuit, a triode switching circuit and a double-coil magnetic latching relay serially connected in sequence. The one-bit two-value conversion circuit is composed of a resistor R7, a resistor R8, a voltage comparator IC2 and a voltage comparator IC3, the resistor R7 is serially connected with the resistor R8, the normal phase input end of the voltage comparator IC2 is respectively connected with a node where the resistor R7 and the resistor R8 are serially connected and the reverse phase input end of the voltage comparator IC3; the reverse phase input end of the voltage comparator IC2 is connected with the normal phase input end of the voltage comparator IC3; and the reverse phase input end of the voltage comparator IC2 and the output ends of the voltage comparator IC2 and the voltage comparator IC3 are respectively the input end of the one-bit two-value conversion circuit and the output ends of the one-bit two-value conversion circuit. The double-coil magnetic latching relay device with a one-bit two-value conversion circuit has the beneficial effects that the one-bit two-value conversion circuit converts analog signals to digital signals of logic relationship AND gate, and the one-bit two-value conversion circuit is arranged in front of an actuator to realize the function of converting a one-bit binary code to a two-bit binary code.
Description
Technical field
The present invention relates to a kind of magnetic and keep relay system, be specifically related to a kind of twin coil magnetic with two value change-over circuits and keep relay system, belong to electronic technology field.
Background technology
According to magnetic latching relay operation principle, no matter be unicoil magnetic latching relay or twin coil magnetic latching relay, its contact all requires relay coil to have the correct sense of current when action, for example, the coil of unicoil magnetic latching relay requires the sense of current from left to right or from right to left when contact action, when contact is failure to actuate, both can maintain the sense of current from left to right or from right to left, also can hold-in winding there is no electric current is that contact keeps preceding state, and any situation does not allow that high level appears in coil two ends simultaneously; The coil of twin coil magnetic latching relay is when contact action, only allow a coil have electric current by and direction determine, another coil does not admit of electric current to be passed through, when contact is failure to actuate, electric current that can keeping coil is that contact keeps current state, or it is that contact keeps preceding state that coil does not have electric current, any situation does not allow that two coils have electric current to pass through simultaneously.
But, in actual use, for example CPU controls output to the prime control circuit of magnetic latching relay or simulation control output signal exists various interference, may make two coils of twin coil magnetic latching relay have electric current to pass through simultaneously, or, there is high level in the coil two ends of unicoil magnetic latching relay, thereby cannot guarantee magnetic latching relay reliably working simultaneously.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind of twin coil magnetic with two value change-over circuits to keep relay system, it not only has stronger antijamming capability, and can make the reliability of relay work higher.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
The twin coil magnetic with two value change-over circuits keeps a relay system, comprising: signal sample circuit, single voltage limit comparison circuit, twin coil magnetic latching relay, it is characterized in that, and also comprise: one two value change-over circuit and transistor switching circuit;
The input of aforementioned signal sample circuit connects low-voltage circuit, output connects single voltage limit comparison circuit, the output of aforementioned single voltage limit comparison circuit connects the input of one two value change-over circuit, the input of the output connecting triode switching circuit of aforementioned one two value change-over circuit, the output of aforementioned transistor switching circuit connects the twin coil of magnetic latching relay;
Aforementioned two value change-over circuits are comprised of resistance R 7, R8 and voltage comparator ic 2, IC3,
In parallel with power supply after resistance R 7 and R8 series connection, the node that the normal phase input end of voltage comparator ic 2 is connected with resistance R 7 and R8 respectively, the inverting input of voltage comparator ic 3 connects, the inverting input of voltage comparator ic 2 is connected with the normal phase input end of voltage comparator ic 3, the inverting input of voltage comparator ic 2 is connected with the output of single voltage limit comparison circuit as the input of one two value change-over circuit, the output of voltage comparator ic 2 and IC3 is connected with two inputs of transistor switching circuit respectively as two outputs of two value change-over circuits,
Aforementioned transistor switching circuit is comprised of triode T1, T2 and resistance R 9, R10,
The base stage of triode T1 is connected with resistance R 10, collector electrode is connected with first input of twin coil magnetic latching relay JDQ, emitter is connected with ground wire, the base stage of triode T2 is connected with resistance R 9, collector electrode is connected with second input of twin coil magnetic latching relay JDQ, emitter is connected with ground wire, the 3rd input, the 4th input of twin coil magnetic latching relay JDQ are all connected with positive source, and the other end of resistance R 9 and R10 is connected with the output of voltage comparator ic 2 and IC3 respectively as two inputs of transistor switching circuit.
The aforesaid twin coil magnetic with two value change-over circuits keeps relay system, it is characterized in that, aforementioned signal sample circuit is comprised of resistance R 1, R3, diode D and electrochemical capacitor C4,
Resistance R 3 and electrochemical capacitor C4 formation in parallel parallel circuits, aforementioned parallel circuits is connected with diode D, resistance R 1 successively and is formed series circuit, aforementioned series circuit is in parallel with power supply, and the node that aforementioned parallel circuits is connected in series with diode D is connected with the input of single voltage limit comparison circuit as the output of sample circuit.
The aforesaid twin coil magnetic with two value change-over circuits keeps relay system, it is characterized in that, aforementioned single voltage limit comparison circuit is comprised of resistance R 4, R5, R6 and voltage comparator ic 1,
In parallel with power supply after resistance R 4 and R5 series connection, resistance R 4 is connected with normal phase input end, the resistance R 6 of voltage comparator ic 1 respectively with the node of R5 series connection, the other end of resistance R 6 is connected with the output of voltage comparator ic 1, the inverting input of voltage comparator ic 1 is connected as the input of single voltage limit comparison circuit and the output of signal sample circuit, and the output of voltage comparator ic 1 is connected with the input of two value change-over circuits as the output of single voltage limit comparison circuit.
Usefulness of the present invention is: it is actuator that this device be take twin coil magnetic latching relay JDQ, analog signal is converted to the digital signal of logical relation and door, before two value change-over circuits are arranged on to actuator, realized the function that a binary code is converted to two binary codes.
Accompanying drawing explanation
Fig. 1 is the theory of constitution figure that twin coil magnetic of the present invention keeps relay system;
Fig. 2 is the circuit diagram that twin coil magnetic of the present invention keeps relay system.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is done to concrete introduction.
With reference to Fig. 1, a kind of unicoil magnetic with two value change-over circuits of the present invention keeps relay system, comprise: signal sample circuit, single voltage limit comparison circuit, one two value change-over circuit, transistor switching circuit and twin coil magnetic latching relay, wherein, the input of signal sample circuit connects low-voltage circuit, output connects single voltage limit comparison circuit, the output of single voltage limit comparison circuit connects the input of one two value change-over circuit, the input of the output connecting triode switching circuit of one two value change-over circuit, the output of transistor switching circuit connects the twin coil of magnetic latching relay.Introduce in detail respectively one two value change-over circuit and transistor switching circuit below.
With reference to Fig. 2, one two value change-over circuit by: resistance R 7, R8 and voltage comparator ic 2, IC3 form.In parallel with power supply after resistance R 7 and R8 series connection; The normal phase input end of voltage comparator ic 2 is connected with the node of R8 series connection, the inverting input of voltage comparator ic 3 with resistance R 7 respectively, and the inverting input of voltage comparator ic 2 is connected with the normal phase input end of voltage comparator ic 3.Wherein, the inverting input of voltage comparator ic 2 is connected with the output of single voltage limit comparison circuit as the input of one two value change-over circuit, and the output of voltage comparator ic 2 and IC3 is connected with two inputs of transistor switching circuit respectively as two outputs of two value change-over circuits.
Transistor switching circuit is comprised of triode T1, T2 and resistance R 9, R10.The base stage of triode T1 is connected with resistance R 10, and collector electrode is connected with first input of twin coil magnetic latching relay JDQ, and emitter is connected with ground wire; The base stage of triode T2 is connected with resistance R 9, and collector electrode is connected with second input of twin coil magnetic latching relay JDQ, and emitter is connected with ground wire; The 3rd input, the 4th input of twin coil magnetic latching relay JDQ are all connected with positive source.Wherein, the other end of resistance R 9 and R10 is connected with the output of voltage comparator ic 2 and IC3 respectively as two inputs of transistor switching circuit.
Electric power outputting current, electric current is after signal sample circuit and single voltage limit comparison circuit, can produce high and low two kinds of level, when single voltage limit comparison circuit is output as high level, due to voltage comparator ic 2 and IC3 anti-phase each other, but take from same input signal, so voltage comparator ic 2 and the different current potential of the certain generation of IC3; When single voltage limit comparison circuit is output as low level, due to voltage comparator ic 2 and IC3 anti-phase each other, but take from same input signal, so voltage comparator ic 2 and IC3 also necessarily produce different current potentials.Owing to being same input, but produce two kinds of values, and also contrary each other, one two basic principle that is worth circuit that Here it is, it has realized the function that a binary code is converted to two binary codes.
As a kind of preferred scheme, with reference to Fig. 2, signal sample circuit is comprised of resistance R 1, R3, diode D and electrochemical capacitor C4.Resistance R 3 and electrochemical capacitor C4 formation in parallel parallel circuits, parallel circuits is connected with diode D, resistance R 1 successively and is formed series circuit, and this series circuit is in parallel with power supply.Wherein, the node that parallel circuits (resistance R 3 and the electrochemical capacitor C4 circuit forming in parallel) is connected in series with diode D is connected with the input of single voltage limit comparison circuit as the output of sample circuit.
As a kind of preferred scheme, with reference to Fig. 2, single voltage limit comparison circuit is comprised of resistance R 4, R5, R6 and voltage comparator ic 1.In parallel with power supply after resistance R 4 and R5 series connection, resistance R 4 is connected with normal phase input end, the resistance R 6 of voltage comparator ic 1 respectively with the node of R5 series connection, the other end of resistance R 6 is connected with the output of voltage comparator ic 1, and resistance R 6 forms feedback circuit, changes datum mark point position.Wherein, the inverting input of voltage comparator ic 1 is connected as the input of single voltage limit comparison circuit and the output of signal sample circuit, and the output of voltage comparator ic 1 is connected with the input of two value change-over circuits as the output of single voltage limit comparison circuit.
It is actuator that this device be take twin coil magnetic latching relay JDQ, analog signal is converted to the digital signal of logical relation and door, before two value change-over circuits are arranged on to actuator, realized the function that a binary code is converted to two binary codes, thereby make this device fundamentally avoid two high phenomenons, two coils on twin coil magnetic latching relay may be worked never simultaneously, only have a coil in running order, guaranteed that the work of whole circuit can be always in normal, stable state.
It should be noted that, above-described embodiment does not limit the present invention in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection scope of the present invention.
Claims (3)
1. the twin coil magnetic with two value change-over circuits keeps a relay system, comprising: signal sample circuit, single voltage limit comparison circuit, twin coil magnetic latching relay, it is characterized in that, and also comprise: one two value change-over circuit and transistor switching circuit;
The input of described signal sample circuit connects low-voltage circuit, output connects single voltage limit comparison circuit, the output of described single voltage limit comparison circuit connects the input of one two value change-over circuit, the input of the output connecting triode switching circuit of described one two value change-over circuit, the output of described transistor switching circuit connects the twin coil of magnetic latching relay;
Described two value change-over circuits are comprised of resistance R 7, R8 and voltage comparator ic 2, IC3,
In parallel with power supply after resistance R 7 and R8 series connection, the node that the normal phase input end of voltage comparator ic 2 is connected with resistance R 7 and R8 respectively, the inverting input of voltage comparator ic 3 connects, the inverting input of voltage comparator ic 2 is connected with the normal phase input end of voltage comparator ic 3, the inverting input of voltage comparator ic 2 is connected with the output of single voltage limit comparison circuit as the input of one two value change-over circuit, the output of voltage comparator ic 2 and IC3 is connected with two inputs of transistor switching circuit respectively as two outputs of two value change-over circuits,
Described transistor switching circuit is comprised of triode T1, T2 and resistance R 9, R10,
The base stage of triode T1 is connected with resistance R 10, collector electrode is connected with first input of twin coil magnetic latching relay JDQ, emitter is connected with ground wire, the base stage of triode T2 is connected with resistance R 9, collector electrode is connected with second input of twin coil magnetic latching relay JDQ, emitter is connected with ground wire, the 3rd input, the 4th input of twin coil magnetic latching relay JDQ are all connected with positive source, and the other end of resistance R 9 and R10 is connected with the output of voltage comparator ic 2 and IC3 respectively as two inputs of transistor switching circuit.
2. the twin coil magnetic with two value change-over circuits according to claim 1 keeps relay system, it is characterized in that, described signal sample circuit is comprised of resistance R 1, R3, diode D and electrochemical capacitor C4,
Resistance R 3 and electrochemical capacitor C4 formation in parallel parallel circuits, described parallel circuits is connected with diode D, resistance R 1 successively and is formed series circuit, described series circuit is in parallel with power supply, and the node that described parallel circuits is connected in series with diode D is connected with the input of single voltage limit comparison circuit as the output of sample circuit.
3. the twin coil magnetic with two value change-over circuits according to claim 1 keeps relay system, it is characterized in that, described single voltage limit comparison circuit is comprised of resistance R 4, R5, R6 and voltage comparator ic 1,
In parallel with power supply after resistance R 4 and R5 series connection, resistance R 4 is connected with normal phase input end, the resistance R 6 of voltage comparator ic 1 respectively with the node of R5 series connection, the other end of resistance R 6 is connected with the output of voltage comparator ic 1, the inverting input of voltage comparator ic 1 is connected as the input of single voltage limit comparison circuit and the output of signal sample circuit, and the output of voltage comparator ic 1 is connected with the input of two value change-over circuits as the output of single voltage limit comparison circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410229828.4A CN104021988A (en) | 2014-05-27 | 2014-05-27 | Double-coil magnetic latching relay device with one-bit two-value conversion circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410229828.4A CN104021988A (en) | 2014-05-27 | 2014-05-27 | Double-coil magnetic latching relay device with one-bit two-value conversion circuit |
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| CN201410229828.4A Pending CN104021988A (en) | 2014-05-27 | 2014-05-27 | Double-coil magnetic latching relay device with one-bit two-value conversion circuit |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5907466A (en) * | 1995-09-23 | 1999-05-25 | Robert Bosch Gmbh | Device and process for activating at least two electromagnetic loads |
| CN201146364Y (en) * | 2008-01-28 | 2008-11-05 | 薛小平 | Self-recovering type voltage deviation protector |
| CN203250689U (en) * | 2013-05-15 | 2013-10-23 | 江苏大学 | Constant magnetic-holding alternating-current contactor control circuit |
| CN203882888U (en) * | 2014-05-27 | 2014-10-15 | 国网新疆伊犁供电有限责任公司 | Double-coil magnetic latching relaying device with one-bit-two-value change-over circuit |
-
2014
- 2014-05-27 CN CN201410229828.4A patent/CN104021988A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5907466A (en) * | 1995-09-23 | 1999-05-25 | Robert Bosch Gmbh | Device and process for activating at least two electromagnetic loads |
| CN201146364Y (en) * | 2008-01-28 | 2008-11-05 | 薛小平 | Self-recovering type voltage deviation protector |
| CN203250689U (en) * | 2013-05-15 | 2013-10-23 | 江苏大学 | Constant magnetic-holding alternating-current contactor control circuit |
| CN203882888U (en) * | 2014-05-27 | 2014-10-15 | 国网新疆伊犁供电有限责任公司 | Double-coil magnetic latching relaying device with one-bit-two-value change-over circuit |
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Owner name: YILI POWER SUPPLY COMPANY, STATE GRID XINJIANG ELE Free format text: FORMER OWNER: YILI TEACHER COLLEGE Effective date: 20150106 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: STATE GRID XINJIANG YILI POWER SUPPLY LLC Effective date: 20150106 |
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Free format text: CORRECT: ADDRESS; FROM: 835000 ILI KAZAKH AUTONOMOUS PREFECTURE, XINJIANG UYGUR AUTONOMOUS REGION TO: 100031 DONGCHENG, BEIJING |
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Effective date of registration: 20150106 Address after: 100031 West Chang'an Avenue, Beijing, No. 86 Applicant after: State Grid Corporation of China Applicant after: Yi Li electric company of Guo Wang Xinjiang power company Applicant after: Yili Normal University Address before: 835000 No. 2999, Shandong Road, Yining Economic Cooperation Zone, Yili Kazakh Autonomous Prefecture, the Xinjiang Uygur Autonomous Region, China Applicant before: Net Xinjiang Yili of China power supply Co., Ltd of state Applicant before: Yili Normal University |
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Application publication date: 20140903 |
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| RJ01 | Rejection of invention patent application after publication |