CN203882881U - Automatic energy saving single-coil magnetic latching relay of low-voltage line - Google Patents
Automatic energy saving single-coil magnetic latching relay of low-voltage line Download PDFInfo
- Publication number
- CN203882881U CN203882881U CN201420277619.2U CN201420277619U CN203882881U CN 203882881 U CN203882881 U CN 203882881U CN 201420277619 U CN201420277619 U CN 201420277619U CN 203882881 U CN203882881 U CN 203882881U
- Authority
- CN
- China
- Prior art keywords
- circuit
- resistance
- voltage comparator
- triode
- input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003990 capacitor Substances 0.000 claims description 31
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000005059 dormancy Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 238000005070 sampling Methods 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model discloses an automatic energy saving single-coil magnetic latching relay of a low-voltage line, which comprises the components of: a signal sampling circuit, a voltage comparing 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 as an actuating mechanism. According to the technical requirement of the actuating mechanism, the one-bit two-value conversion circuit and the differential driving circuit are specially matched as an energy saving circuit. Particularly the differential driving circuit is not restricted by a control circuit, and furthermore because the differential driving circuit is hardware, the automatic energy saving single-coil magnetic latching relay has an advantage of automatic energy saving compared with a software-controlled energy saving manner through a microcomputer dormancy program or instruction control output signal. Furthermore more than 90% of energy can be saved. A remarkable energy-saving effect is realized.
Description
Technical field
The utility model relates to a kind of unicoil magnetic and keeps relay system, and 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 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.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model 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 utility model 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 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 by four local differential circuits and four triode T1, T2, T3 and T4 composition, 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 is connected with first, second, the 3rd and the 4th electric capacity of local differential circuit and the connected node of resistance respectively, 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 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 unicoil 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 utility model is: utilize unicoil 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 unicoil magnetic of the present utility model 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 utility model is done to concrete introduction.
With reference to Fig. 1, the unicoil magnetic of low-voltage circuit automatic energy saving of the present utility model 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 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.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 made up 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, the output that this node is two value change-over circuits as an input of differential drive circuit with previous stage circuit is 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 is connected with first, second, the 3rd and the 4th electric capacity of local differential circuit and the connected node of resistance respectively, and the node that the node that the node that node is connected with the base stage of triode T1, capacitor C 6 is connected with resistance R 10 is connected with the base stage of triode T2, capacitor C 7 is connected with resistance R 11 is connected with the base stage of triode T3, capacitor C 8 is connected with resistance R 12 that capacitor C 5 is connected with resistance R 9 is connected with the base stage of triode T4; 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 the preferred scheme of one, triode T1 and T2 are NPN type triode, and triode T3 and T4 are positive-negative-positive triode.
In the utility model, differential drive circuit is that rising edge or the 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 drive circuit only responds input voltage rising edge or trailing edge, and be zero between high level or low period, 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, 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, signal sample circuit is 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 with the input of single voltage limit comparison circuit as the output of sample circuit.
As the preferred scheme of one, 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.
Device of the present utility model is taking unicoil 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 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 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 (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 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 by four local differential circuits and four triode T1, T2, T3 and T4 composition, 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 is connected with first, second, the 3rd and the 4th electric capacity of local differential circuit and the connected node of resistance respectively, 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 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 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 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277619.2U CN203882881U (en) | 2014-05-27 | 2014-05-27 | Automatic energy saving single-coil magnetic latching relay of low-voltage line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277619.2U CN203882881U (en) | 2014-05-27 | 2014-05-27 | Automatic energy saving single-coil magnetic latching relay of low-voltage line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203882881U true CN203882881U (en) | 2014-10-15 |
Family
ID=51683355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420277619.2U Active CN203882881U (en) | 2014-05-27 | 2014-05-27 | Automatic energy saving single-coil magnetic latching relay of low-voltage line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203882881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021985A (en) * | 2014-05-27 | 2014-09-03 | 国网新疆伊犁供电有限责任公司 | Low-voltage line automatic-energy saving single-coil magnetic latching relay device |
-
2014
- 2014-05-27 CN CN201420277619.2U patent/CN203882881U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021985A (en) * | 2014-05-27 | 2014-09-03 | 国网新疆伊犁供电有限责任公司 | Low-voltage line automatic-energy saving single-coil magnetic latching relay device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204497150U (en) | A kind of new type of relay circuit | |
| CN102611428B (en) | Selection circuit for power voltage | |
| CN203882880U (en) | Automatic energy saving double-coil magnetic latching relay of low-voltage line | |
| CN203882881U (en) | Automatic energy saving single-coil magnetic latching relay of low-voltage line | |
| CN103152051B (en) | A kind of low-power consumption gradual approaching A/D converter | |
| CN204537945U (en) | A kind of two circuit magnetic latching relay | |
| CN101540242B (en) | Energy-saving magnetic latching relay circuit | |
| CN204089330U (en) | A kind of adaptive power-supply battery supplies power with double circuit device | |
| CN104021985A (en) | Low-voltage line automatic-energy saving single-coil magnetic latching relay device | |
| CN106208719B (en) | A kind of feed circuit of isolating switch power | |
| CN104021984A (en) | Low-voltage line automatic-energy saving double-coil magnetic latching relay device | |
| CN103187870B (en) | Buck conversion circuit | |
| CN205039703U (en) | Intelligence step -down formula switching power supply | |
| CN201893756U (en) | Structure for eliminating offset voltage of operational amplifier by utilizing substrate bias effect | |
| CN204559392U (en) | The booster driving circuit of comprehensive wiring system current feedback | |
| CN203882887U (en) | Energy-saving single-coil magnetic latching relay device with differential driving circuit | |
| CN104935344A (en) | Multi-bit comparator with combination of time and digital converter and voltage digitizing method | |
| CN203882886U (en) | Energy-saving double-coil magnetic latching relay device with differential driving circuit | |
| CN204482125U (en) | A kind of single live wire switch | |
| CN203882889U (en) | Single-coil magnetic latching relaying device with one-bit-two-value change-over circuit | |
| CN203444384U (en) | Output voltage control circuit | |
| CN203537365U (en) | Level converting circuit | |
| CN203014675U (en) | Buck-boost switching power supply and controller thereof | |
| CN201392483Y (en) | Voltage reducing type voltage stabilizing circuit | |
| CN204681251U (en) | A kind of buck converter |
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: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: STATE GRID XINJIANG YILI POWER SUPPLY LLC Effective date: 20150105 Owner name: YILI POWER SUPPLY COMPANY, STATE GRID XINJIANG ELE Free format text: FORMER OWNER: YILI TEACHER COLLEGE Effective date: 20150105 |
|
| 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 |
|
| 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: Yi Li electric company of Guo Wang Xinjiang power company 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: Net Xinjiang Yili of China power supply Co., Ltd of state Patentee before: Yili Normal University |