CN104021984A - Low-voltage line automatic-energy saving double-coil magnetic latching relay device - Google Patents
Low-voltage line automatic-energy saving double-coil magnetic latching relay device Download PDFInfo
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- CN104021984A CN104021984A CN201410229790.0A CN201410229790A CN104021984A CN 104021984 A CN104021984 A CN 104021984A CN 201410229790 A CN201410229790 A CN 201410229790A CN 104021984 A CN104021984 A CN 104021984A
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- 230000015572 biosynthetic process Effects 0.000 claims description 3
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- 238000006243 chemical reaction Methods 0.000 abstract 2
- 238000005070 sampling Methods 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 description 5
- 230000005059 dormancy Effects 0.000 description 2
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Abstract
The invention discloses a low-voltage line automatic-energy saving double-coil magnetic latching relay device, which comprises a signal sampling circuit, a voltage comparison circuit, a one-bit two-value conversion circuit, a differential driving circuit, and a double-coil magnetic latching relay. The double-coil magnetic latching relay serves as an actuator; analog signals are converted to digital signals of AND gate logic relationship; the one-bit two-value conversion circuit is arranged in front of the actuator, and thus, the function of converting a one-bit binary code into a two-bit binary code is realized, the double-high phenomenon is avoided basically, and working of the whole circuit can be ensured to be always in a normal state. In addition, the differential circuit only responds to the input voltage rising edge or the falling edge, the relay power is only generated during the rising edge period or the falling edge period, and for the rest time, as the terminal voltage is zero, the consumed power is zero, and good energy-saving effects are provided.
Description
Technical field
The present invention relates to a kind of twin coil magnetic and keep relay system, the twin coil magnetic that is specifically related to a kind of low-voltage circuit automatic energy saving keeps relay system, belongs to relay system technical field.
Background technology
At present; relay control device in low-voltage circuit or protective device have a variety of, and its energy-conservation realization is mainly to utilize microcomputer dormancy program or by instruction control output signal, namely undertaken energy-conservation by software control; if controlled without microcomputer, so also just cannot realize energy-conservation.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind of energy-saving twin coil magnetic with differential drive circuit to keep relay system, magnetic keeps the differential drive circuit in relay system not only can affect the action relationships of triggering signal and contact, and can effectively reduce the power consumption that magnetic keeps relay system.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
The twin coil magnetic of low-voltage circuit automatic energy saving keeps a relay system, comprising: signal sample circuit, voltage comparator circuit, twin coil magnetic latching relay, it is characterized in that, and also comprise: one two value change-over circuit and differential drive circuit;
The input of aforementioned signal sample circuit connects low-voltage circuit, output connects voltage comparator circuit, the output of aforesaid voltage comparison circuit connects the input of one two value change-over circuit, the output of aforementioned one two value change-over circuit connects the input of differential drive circuit, and the output of aforementioned differential drive circuit connects the twin coil of magnetic latching relay;
Aforementioned two value change-over circuits are made up 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 normal phase input end of voltage comparator ic 2 is connected with resistance R 7 and the node of R8 series connection, the inverting input of voltage comparator ic 3 respectively, 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 as one the two value input of change-over circuit and the output of voltage comparator circuit, and the output of voltage comparator ic 2 and IC3 is connected with two inputs of differential drive circuit respectively as two outputs of two value change-over circuits;
Aforementioned differential drive circuit is made up of two local differential circuits and two triode T1, T2, each local differential circuit is by an electric capacity (C5, C6) and one resistance (R10, R9) in series, the free end of capacitor C 5 and C6 is two inputs of local differential circuit, aforementioned two inputs are connected with the output of voltage comparator ic 2 and IC3 respectively, and the free end of resistance R 10 and R9 is all connected with power cathode; The base stage of triode T1 and T2 is connected from the different electric capacity of local differential circuit and the connected node of resistance respectively, the emitter of triode T1 and T2 is all connected with power cathode, the collector electrode of triode T1 and T2 is connected with first input end and the second input of twin coil magnetic latching relay JDQ respectively, and the 3rd input of twin coil magnetic latching relay JDQ is all connected with positive source with four-input terminal.
The twin coil magnetic of aforesaid low-voltage circuit automatic energy saving keeps relay system, it is characterized in that, aforementioned triode T1 and T2 are NPN type triode.
The twin coil magnetic of aforesaid low-voltage circuit automatic energy saving keeps relay system, it is characterized in that, aforementioned signal sample circuit is made up of resistance R 1, R3, diode D and electrochemical capacitor C4,
Resistance R 3 formation in parallel with electrochemical capacitor C4 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 as the output of sample circuit and the input of voltage comparator circuit.
The twin coil magnetic of aforesaid low-voltage circuit automatic energy saving keeps relay system, it is characterized in that, aforesaid voltage comparison circuit is made up 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 voltage comparator 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 voltage comparator circuit.
Usefulness of the present invention is: utilize twin coil magnetic latching relay to do actuator, according to one two value change-over circuit of the special coupling of actuator's technical requirement and differential drive circuit as energy-saving circuit, particularly differential drive circuit, differential drive circuit is uncontrolled circuit limitations not only, and because it is hardware, than utilizing microcomputer dormancy program or energy-conservation by the software control of instruction control output signal, there is the feature of automatic energy saving, and can save energy more than 90%, energy-saving effect is remarkable.
Brief description of the drawings
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 the twin coil magnetic shown in Fig. 1 keeps relay system;
The implication of Reference numeral in figure: 201-signal sample circuit, 202-voltage comparator circuit, mono-two value change-over circuit of 203-, 204-differential drive circuit, 205-magnetic latching relay twin coil, 206-contact.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is done to concrete introduction.
With reference to Fig. 1, the twin coil magnetic of low-voltage circuit automatic energy saving of the present invention keeps relay system, comprise: signal sample circuit 201, voltage comparator circuit 202, one two value change-over circuit 203, differential drive circuit 204 and twin coil magnetic latching relay, twin coil magnetic latching relay is made up of magnetic latching relay twin coil 205 and contact 206, wherein, the input of signal sample circuit 201 connects low-voltage circuit, output connects voltage comparator circuit 202, the output of voltage comparator circuit 202 connects the input of one two value change-over circuit 203, the output of one two value change-over circuit 203 connects the input of differential drive circuit 204, the output of differential drive circuit 204 connects the twin coil 205 of magnetic latching relay.
Introduce in detail respectively two value change-over circuits 203 and differential drive circuit 204 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 resistance R 7 and the node of R8 series connection, the inverting input of voltage comparator ic 3 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 as one the two value input of change-over circuit and the output of voltage comparator circuit, and the output of voltage comparator ic 2 and IC3 is connected with two inputs of differential drive circuit respectively as two outputs of two value change-over circuits.
Differential drive circuit is made up of two local differential circuits and two triode T1, T2.Each local differential circuit is in series by an electric capacity and a resistance, it is a capacitor C 5 and resistance R 10 local differential circuit in series, capacitor C 6 and resistance R 9 another local differential circuit in series, wherein, the free end of capacitor C 5 and C6 is two inputs of local differential circuit, these two inputs are connected with two outputs of two value change-over circuits respectively, the free end that is capacitor C 5 and C6 is connected with the output of voltage comparator ic 2 and IC3 respectively, and the free end of resistance R 10 and R9 is connected with power cathode.The base stage of triode T1 and T2 is connected from the different electric capacity of local differential circuit and the connected node of resistance respectively, and the base stage of triode T1 is connected in capacitor C 6 and is connected in the connected node place of capacitor C 5 and resistance R 10 with the connected node place of resistance R 9, the base stage of triode T2; The emitter of triode T1 and T2 is all connected with power cathode, the collector electrode of triode T1 and T2 is connected with first input end and the second input of twin coil magnetic latching relay JDQ respectively, and the 3rd input of twin coil magnetic latching relay JDQ is all connected with positive source with four-input terminal.
As the preferred scheme of one, triode T1 and T2 are NPN type triode.
Device of the present invention is taking twin coil magnetic latching relay JDQ as actuator, analog signal is converted to the digital signal of logical relation and door, before two value change-over circuits are arranged on to actuator, realize the function that a binary code is converted to two binary codes, thereby make this device fundamentally avoid two high phenomenons, be on twin coil magnetic latching relay, to occur never two kinds of this wrong phenomenons of high level, guaranteed that the work of whole circuit can be always in normal condition.
In addition, in the present invention, because differential circuit is that rising edge or trailing edge to input step voltage responds, high level or low level for step voltage do not respond, the electric current that relay consumed power=relay coil terminal voltage × coil passes through, because the terminal voltage of relay is the terminal voltage that comes from differential circuit output, differential circuit only responds input voltage rising edge or trailing edge, and be zero between high level or low period, so relay power only produces during rising edge or trailing edge, all the other times are because terminal voltage is zero, so consumed power is also zero, there is fabulous energy-saving effect.Lift an example: one day 24 hours, suppose that relay only works once, the power that relay consumes so, only, within the time that is less than one second, all the other time relay coil two ends do not have terminal voltage, thus there is no consumed power, thus reach fabulous energy-conservation object.
As the preferred scheme of one, with reference to Fig. 2, twin coil magnetic of the present invention keeps its signal sample circuit of relay system to be made up of resistance R 1, R3, diode D and electrochemical capacitor C4.Wherein, resistance R 3 formation in parallel with electrochemical capacitor C4 parallel circuits, this parallel circuits is connected with diode D, resistance R 1 successively and is formed series circuit, and the series circuit forming is in parallel with power supply.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 as the output of sample circuit and the input of voltage comparator circuit.
More preferably, with reference to Fig. 2, voltage comparator circuit is made up of resistance R 4, R5, R6 and voltage comparator ic 1.Wherein, 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, and 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.The inverting input of voltage comparator ic 1 is connected as the input of voltage comparator 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 voltage comparator circuit.
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 (4)
1. the twin coil magnetic of low-voltage circuit automatic energy saving keeps relay system, comprising: signal sample circuit, voltage comparator circuit, twin coil magnetic latching relay, it is characterized in that, and also comprise: one two value change-over circuit and differential drive circuit;
The input of described signal sample circuit connects low-voltage circuit, output connects voltage comparator circuit, the output of described voltage comparator circuit connects the input of one two value change-over circuit, the output of described one two value change-over circuit connects the input of differential drive circuit, and the output of described differential drive circuit connects the twin coil of magnetic latching relay;
Described two value change-over circuits are made up 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 normal phase input end of voltage comparator ic 2 is connected with resistance R 7 and the node of R8 series connection, the inverting input of voltage comparator ic 3 respectively, 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 as one the two value input of change-over circuit and the output of voltage comparator circuit, and the output of voltage comparator ic 2 and IC3 is connected with two inputs of differential drive circuit respectively as two outputs of two value change-over circuits;
Described differential drive circuit is made up of two local differential circuits and two triode T1, T2, each local differential circuit is by an electric capacity (C5, C6) and one resistance (R10, R9) in series, the free end of capacitor C 5 and C6 is two inputs of local differential circuit, described two inputs are connected with the output of voltage comparator ic 2 and IC3 respectively, and the free end of resistance R 10 and R9 is all connected with power cathode; The base stage of triode T1 and T2 is connected from the different electric capacity of local differential circuit and the connected node of resistance respectively, the emitter of triode T1 and T2 is all connected with power cathode, the collector electrode of triode T1 and T2 is connected with first input end and the second input of twin coil magnetic latching relay JDQ respectively, and the 3rd input of twin coil magnetic latching relay JDQ is all connected with positive source with four-input terminal.
2. the twin coil magnetic of low-voltage circuit automatic energy saving according to claim 1 keeps relay system, it is characterized in that, described triode T1 and T2 are NPN type triode.
3. the twin coil magnetic of low-voltage circuit automatic energy saving according to claim 1 and 2 keeps relay system, it is characterized in that, described signal sample circuit is made up of resistance R 1, R3, diode D and electrochemical capacitor C4,
Resistance R 3 formation in parallel with electrochemical capacitor C4 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 as the output of sample circuit and the input of voltage comparator circuit.
4. the twin coil magnetic of low-voltage circuit automatic energy saving according to claim 1 and 2 keeps relay system, it is characterized in that, described voltage comparator circuit is made up 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 voltage comparator 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 voltage comparator circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410229790.0A CN104021984A (en) | 2014-05-27 | 2014-05-27 | Low-voltage line automatic-energy saving double-coil magnetic latching relay device |
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| CN201410229790.0A CN104021984A (en) | 2014-05-27 | 2014-05-27 | Low-voltage line automatic-energy saving double-coil magnetic latching relay device |
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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 |
| CN203882880U (en) * | 2014-05-27 | 2014-10-15 | 国网新疆伊犁供电有限责任公司 | Automatic energy saving double-coil magnetic latching relay of low-voltage line |
-
2014
- 2014-05-27 CN CN201410229790.0A patent/CN104021984A/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 |
| CN203882880U (en) * | 2014-05-27 | 2014-10-15 | 国网新疆伊犁供电有限责任公司 | Automatic energy saving double-coil magnetic latching relay of low-voltage line |
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Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: STATE GRID XINJIANG YILI POWER SUPPLY LLC Effective date: 20150106 Owner name: YILI POWER SUPPLY COMPANY, STATE GRID XINJIANG ELE Free format text: FORMER OWNER: YILI TEACHER COLLEGE 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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