CN104021985A - Low-voltage line automatic-energy saving single-coil magnetic latching relay device - Google Patents
Low-voltage line automatic-energy saving single-coil magnetic latching relay device Download PDFInfo
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- CN104021985A CN104021985A CN201410229806.8A CN201410229806A CN104021985A CN 104021985 A CN104021985 A CN 104021985A CN 201410229806 A CN201410229806 A CN 201410229806A CN 104021985 A CN104021985 A CN 104021985A
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- 239000003990 capacitor Substances 0.000 claims description 31
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000004134 energy conservation Methods 0.000 abstract description 7
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- 238000006243 chemical reaction Methods 0.000 abstract 2
- 238000005070 sampling Methods 0.000 abstract 1
- 230000000630 rising effect Effects 0.000 description 3
- 230000005059 dormancy Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The invention discloses a low-voltage line automatic-energy saving single-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 single-coil magnetic latching relay. The single-coil magnetic latching relay is used to serve as an actuator; the one-bit two-value conversion circuit and the differential driving circuit are specially matched to serve as the energy-saving circuit according to the technical requirements of the actuator; as for the differential driving circuit in particular, the differential driving circuit is not limited by the control circuit, and as the differential driving circuit is hardware, compared with energy conservation by using microcomputer sleep program or software control of output signal control through an instruction, automatic energy conservation can be realized, energy can be conserved by more than 90%, and the energy-saving effects are significant.
Description
Technical field
The present invention relates to a kind of unicoil magnetic and keep relay system, the unicoil 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 utilize microcomputer dormancy program or control output signal by instruction, namely by software control, is undertaken energy-conservation; 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 unicoil magnetic with differential drive circuit to keep relay system and 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 unicoil magnetic of low-voltage circuit automatic energy saving keeps a relay system, comprising: signal sample circuit, voltage comparator circuit, unicoil 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 unicoil 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 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, 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 by four local differential circuits and four triode T1, T2, T3 and T4 form, each local differential circuit is in series by an electric capacity and a resistance, capacitor C 5 and resistance R 9 first local differential circuit in series, capacitor C 6 and resistance R 10 second local differential circuit in series, resistance R 9, the other end of R10 is all connected with ground wire, capacitor C 7 and resistance R 11 the 3rd local differential circuit in series, capacitor C 8 and resistance R 12 the 4th local differential circuit in series, resistance R 11, the other end of R12 is all connected with positive source, the other end of capacitor C 5 and C7 is connected to form a node, the other end of capacitor C 6 and C8 is connected to form another node, aforementioned two nodes are connected with two outputs of two value change-over circuits as two inputs of differential circuit, the base stage of aforementioned four triode T1, T2, T3 and T4 respectively with first, second, the 3rd be connected with the 4th electric capacity of local differential circuit and the connected node of resistance, the emitter of triode T1 is connected with the collector electrode of triode T2, the collector electrode of triode T1 is connected with positive source, the emitter of triode T2 is connected with ground wire, and the connected node between triode T1 and T2 is connected with the first input end of unicoil magnetic latching relay JDQ, the emitter of triode T4 is connected with the collector electrode of triode T3, the collector electrode of triode T4 is connected with ground wire, the emitter of triode T3 is connected with positive source, and the connected node between triode T3 and T4 is connected with the second input of unicoil magnetic latching relay JDQ.
The unicoil 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, and triode T3 and T4 are positive-negative-positive triode.
The unicoil magnetic of aforesaid low-voltage circuit automatic energy saving 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 as the output of sample circuit and the input of voltage comparator circuit.
The unicoil magnetic of aforesaid low-voltage circuit automatic energy saving keeps relay system, it is characterized in that, aforesaid voltage 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 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 unicoil magnetic latching relay to do actuator, according to one two value change-over circuit of the special coupling of actuator's specification requirement and differential drive circuit as energy-saving circuit, differential drive circuit particularly, differential drive circuit is uncontrolled circuit limitations not only, and because it is hardware, energy-conservation than utilizing microcomputer dormancy program or controlling the software control of output signal by instruction, the feature with automatic energy saving, and can save energy more than 90%, energy-saving effect is remarkable.
Accompanying drawing explanation
Fig. 1 is the theory of constitution figure that unicoil magnetic of the present invention keeps relay system;
Fig. 2 is the circuit diagram that the unicoil magnetic shown in Fig. 1 keeps relay system;
The implication of Reference numeral in figure: 101-sample circuit, 102-voltage comparator circuit, mono-two value change-over circuit of 103-, 104-differential drive circuit, 105-magnetic latching relay unicoil, 106-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 unicoil magnetic of low-voltage circuit automatic energy saving of the present invention keeps relay system to comprise: signal sample circuit, voltage comparator circuit, one two value change-over circuit, differential drive circuit and unicoil magnetic latching relay, wherein, the input of signal sample circuit connects low-voltage circuit, output connects voltage comparator circuit, the output of voltage comparator circuit connects the input of one two value change-over circuit, the output of one two value change-over circuit connects the input of differential drive circuit, the output of differential drive circuit connects the unicoil of magnetic latching relay.
Introduce in detail respectively one two value change-over circuit and differential drive 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.Wherein, 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.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.
With reference to Fig. 2, differential drive circuit is comprised of four local differential circuits and four triode T1, T2, T3 and T4.
The local differential circuit of paper: each local differential circuit is in series by an electric capacity and a resistance, be capacitor C 5 and resistance R 9 first local differential circuit in series, capacitor C 6 and resistance R 10 second local differential circuit in series, capacitor C 7 and resistance R 11 the 3rd local differential circuit in series, capacitor C 8 and resistance R 12 the 4th local differential circuit in series, in these four local differential circuits, the other end of resistance R 9, the other end of resistance R 10 is all connected with ground wire, the other end of resistance R 11, the other end of resistance R 12 is all connected with positive source, the other end of the other end of capacitor C 5 and capacitor C 7 is connected to form a node, this node as input of differential drive circuit and previous stage circuit an output of two value change-over circuits be connected, the other end of the other end of capacitor C 6 and capacitor C 8 is connected to form another node, this node is connected with another output of two value change-over circuits as another input of differential drive circuit.
Next introduce four triode T1, T2, T3 and T4: the base stage of four triode T1, T2, T3 and T4 respectively with first, second, the 3rd be connected with the 4th electric capacity of local differential circuit and the connected node of resistance, i.e. the node of capacitor C 5 and resistance R 9 series connection is connected with the base stage of triode T1, capacitor C 6 is connected with the base stage of triode T2 with the node that resistance R 10 is connected, capacitor C 7 is connected with the base stage of triode T3 with the node that resistance R 11 is connected, capacitor C 8 is connected with the base stage of triode T4 with the node that resistance R 12 is connected; In addition, the emitter of triode T1 is connected with the collector electrode of triode T2, connected node between the two is connected with the first input end of unicoil magnetic latching relay JDQ, and the collector electrode of triode T1 is connected with positive source, and the emitter of triode T2 is connected with ground wire; The emitter of triode T4 is connected with the collector electrode of triode T3, and the connected node between the two is connected with the second input of unicoil magnetic latching relay JDQ, and the collector electrode of triode T4 is connected with ground wire, and the emitter of triode T3 is connected with positive source.
As a kind of preferred scheme, triode T1 and T2 are NPN type triode, and triode T3 and T4 are positive-negative-positive triode.
In the present invention, differential drive circuit is that the rising edge of input step voltage or trailing edge are responded, 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 drive circuit only responds input voltage rising edge or trailing edge, and between high level or low period, be zero, so relay power is the generation power during rising edge or trailing edge only, 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, is only being less than in time of one second, and all the other time relay coil two ends do not have terminal voltage, thus there is no consumed power, thus reached fabulous energy-conservation object.
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.Wherein, resistance R 3 and electrochemical capacitor C4 formation in parallel parallel circuits, this parallel circuits is connected with diode D, resistance R 1 successively and is formed series circuit, and formed series circuit 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 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, voltage comparator circuit is comprised 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 is actuator that device of the present invention be take unicoil 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, be on unicoil 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.
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 unicoil magnetic of low-voltage circuit automatic energy saving keeps relay system, comprising: signal sample circuit, voltage comparator circuit, unicoil 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 unicoil 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 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, 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 by four local differential circuits and four triode T1, T2, T3 and T4 form, each local differential circuit is in series by an electric capacity and a resistance, capacitor C 5 and resistance R 9 first local differential circuit in series, capacitor C 6 and resistance R 10 second local differential circuit in series, resistance R 9, the other end of R10 is all connected with ground wire, capacitor C 7 and resistance R 11 the 3rd local differential circuit in series, capacitor C 8 and resistance R 12 the 4th local differential circuit in series, resistance R 11, the other end of R12 is all connected with positive source, the other end of capacitor C 5 and C7 is connected to form a node, the other end of capacitor C 6 and C8 is connected to form another node, described two nodes are connected with two outputs of two value change-over circuits as two inputs of differential circuit, the base stage of described four triode T1, T2, T3 and T4 respectively with first, second, the 3rd be connected with the 4th electric capacity of local differential circuit and the connected node of resistance, the emitter of triode T1 is connected with the collector electrode of triode T2, the collector electrode of triode T1 is connected with positive source, the emitter of triode T2 is connected with ground wire, and the connected node between triode T1 and T2 is connected with the first input end of unicoil magnetic latching relay JDQ, the emitter of triode T4 is connected with the collector electrode of triode T3, the collector electrode of triode T4 is connected with ground wire, the emitter of triode T3 is connected with positive source, and the connected node between triode T3 and T4 is connected with the second input of unicoil magnetic latching relay JDQ.
2. the unicoil 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, and triode T3 and T4 are positive-negative-positive triode.
3. the unicoil 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 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 as the output of sample circuit and the input of voltage comparator circuit.
4. the unicoil 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 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 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 |
|---|---|---|---|
| CN201410229806.8A CN104021985A (en) | 2014-05-27 | 2014-05-27 | Low-voltage line automatic-energy saving single-coil magnetic latching relay device |
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| CN201410229806.8A CN104021985A (en) | 2014-05-27 | 2014-05-27 | Low-voltage line automatic-energy saving single-coil magnetic latching relay device |
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| CN104021985A true CN104021985A (en) | 2014-09-03 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146364Y (en) * | 2008-01-28 | 2008-11-05 | 薛小平 | Self-recovering type voltage deviation protector |
| EP2466607B1 (en) * | 2010-12-17 | 2013-04-17 | Schneider Electric Industries SAS | Electromagnetic actuator with at least two coils |
| CN203882881U (en) * | 2014-05-27 | 2014-10-15 | 国网新疆伊犁供电有限责任公司 | Automatic energy saving single-coil magnetic latching relay of low-voltage line |
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2014
- 2014-05-27 CN CN201410229806.8A patent/CN104021985A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146364Y (en) * | 2008-01-28 | 2008-11-05 | 薛小平 | Self-recovering type voltage deviation protector |
| EP2466607B1 (en) * | 2010-12-17 | 2013-04-17 | Schneider Electric Industries SAS | Electromagnetic actuator with at least two coils |
| CN203882881U (en) * | 2014-05-27 | 2014-10-15 | 国网新疆伊犁供电有限责任公司 | Automatic energy saving single-coil magnetic latching relay of low-voltage line |
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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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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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