CN203882888U - Double-coil magnetic latching relaying device with one-bit-two-value change-over circuit - Google Patents
Double-coil magnetic latching relaying device with one-bit-two-value change-over circuit Download PDFInfo
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- CN203882888U CN203882888U CN201420277659.7U CN201420277659U CN203882888U CN 203882888 U CN203882888 U CN 203882888U CN 201420277659 U CN201420277659 U CN 201420277659U CN 203882888 U CN203882888 U CN 203882888U
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Abstract
The utility model discloses a double-coil magnetic latching relaying device with one-bit-two-value change-over circuit. The double-coil magnetic latching relaying device includes a signal sampling circuit, a single-threshold voltage comparison circuit, the one-bit-two-value change-over circuit, a triode switching circuit and a double-coil magnetic latching relay which are connected in series sequentially; the one-bit-two-value change-over circuit is composed of a resistor of R7 and a resistor R8 as well as a voltage comparator IC2 and a voltage comparator IC3; the resistor R7 and the resistor R8 are connected in series; the normal phase input end of the voltage comparator IC2 is connected with a series-connection node of the resistor R7 and the resistor R8 and the reversed phase input end of the voltage comparator IC3; the reversed phase input end of the voltage comparator IC2 is connected with the normal phase input end of the voltage comparator IC3; the reversed phase input end of the voltage comparator IC2 and the output ends of the voltage comparator IC2 and the voltage comparator IC3 are respectively adopted as the input end and the output ends of the one-bit-two-value change-over circuit. According to the double-coil magnetic latching relaying device of the utility model, the one-bit-two-value change-over circuit converts analog signals into logical relation and gate digital signals; and the one-bit-two-value change-over circuit can be arranged before an actuator, so that the one-bit binary codes can be converted into two-bit binary codes.
Description
Technical field
The utility model relates to a kind of magnetic and keeps relay system, is specifically related to a kind of twin coil magnetic with two value change-over circuits and keeps relay system, belongs 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.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide a kind of twin coil magnetic with two value change-over circuits to keep relay system, and it not only has stronger antijamming capability, and can make the reliability of relay work higher.
In order to realize above-mentioned target, the utility model 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 utility model 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 utility model keeps relay system;
Fig. 2 is the circuit diagram that twin coil magnetic of the present utility model keeps relay system.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to concrete introduction.
With reference to Fig. 1, a kind of unicoil magnetic with two value change-over circuits of the present utility model 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 utility model in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection range of the present utility model.
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 |
|---|---|---|---|
| CN201420277659.7U CN203882888U (en) | 2014-05-27 | 2014-05-27 | Double-coil magnetic latching relaying device with one-bit-two-value change-over circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277659.7U CN203882888U (en) | 2014-05-27 | 2014-05-27 | Double-coil magnetic latching relaying device with one-bit-two-value change-over circuit |
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| CN203882888U true CN203882888U (en) | 2014-10-15 |
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| CN201420277659.7U Expired - Fee Related CN203882888U (en) | 2014-05-27 | 2014-05-27 | Double-coil magnetic latching relaying device with one-bit-two-value change-over circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021988A (en) * | 2014-05-27 | 2014-09-03 | 国网新疆伊犁供电有限责任公司 | Double-coil magnetic latching relay device with one-bit two-value conversion circuit |
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2014
- 2014-05-27 CN CN201420277659.7U patent/CN203882888U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021988A (en) * | 2014-05-27 | 2014-09-03 | 国网新疆伊犁供电有限责任公司 | Double-coil magnetic latching relay device with one-bit two-value conversion circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YILI POWER SUPPLY COMPANY, STATE GRID XINJIANG ELE Free format text: FORMER OWNER: YILI TEACHER COLLEGE Effective date: 20150105 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: STATE GRID XINJIANG YILI POWER SUPPLY LLC Effective date: 20150105 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 835000 ILI KAZAKH AUTONOMOUS PREFECTURE, XINJIANG UYGUR AUTONOMOUS REGION TO: 100031 DONGCHENG, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150105 Address after: 100031 West Chang'an Avenue, Beijing, No. 86 Patentee after: State Grid Corporation of China Patentee after: YILI POWER SUPPLY COMPANY OF STATE GRID XINJIANG ELECTRIC POWER CO. Patentee 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 Patentee before: STATE GRID XINJIANG YILI POWER SUPPLY CO.,LTD. Patentee before: Yili Normal University |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 |