CN203882887U - Energy-saving single-coil magnetic latching relay device with differential driving circuit - Google Patents
Energy-saving single-coil magnetic latching relay device with differential driving circuit Download PDFInfo
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- CN203882887U CN203882887U CN201420277638.5U CN201420277638U CN203882887U CN 203882887 U CN203882887 U CN 203882887U CN 201420277638 U CN201420277638 U CN 201420277638U CN 203882887 U CN203882887 U CN 203882887U
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- capacitor
- latching relay
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- 239000003990 capacitor Substances 0.000 claims abstract description 26
- 230000000630 rising effect Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model discloses an energy-saving single-coil magnetic latching relay device with a differential driving circuit, which comprises the components of: a differentiating circuit, a driving circuit and a single-coil magnetic latching relay. The differentiating circuit is composed of four local differentiating circuits. Each local differentiating circuit is obtained through connecting a capacitor and a resistor in series. A connecting node between the capacitor and the resistor is the output end of the local differentiating circuit. The driving circuit is composed of four triodes. The base electrode of each triode is the input end of the driving circuit. The emitter electrode of one triode is connected with the collector electrode of another triode. Two formed nodes are respectively connected with two input ends of the single-coil magnetic latching relay. The rest unconnected electrodes of the triodes are connected with a grounding wire or the anode of a power supply for forming a loop. The energy-saving single-coil magnetic latching relay device is advantageous in that: the power of the relay is only generated at a rising edge period or a falling edge period; at other time, because end voltage is zero, the consumed power is zero; and therefore the energy-saving single-coil magnetic latching relay device has an excellent energy saving effect.
Description
Technical field
The utility model relates to a kind of unicoil magnetic and keeps relay system, is specifically related to a kind of energy-saving unicoil magnetic with differential drive circuit and keeps relay system, belongs to relay system technical field.
Background technology
At present, no matter be that unicoil magnetic keeps relay system or twin coil magnetic keeps relay system, the coil of magnetic latching relay is in the time of work, all need to lean on electric current to produce magnetic field and come adhesive or open circuit, that is to say, virtually need constantly to provide electric energy to drive circuit, so the something in common that these drive circuits exist is: consume energy more.
In addition, constantly provide electric energy also can cause relay to drive circuit aging, not only can make relay reaction slow, work bluntly, and can reduce the working life of relay.
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, 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 energy-saving unicoil magnetic with differential drive circuit keeps a relay system, comprising: unicoil magnetic latching relay JDQ, it is characterized in that, and also comprise: differential circuit and drive circuit;
Aforementioned differential circuit is made up of four local differential circuits, each local differential circuit is in series by an electric capacity and a resistance, capacitor C 1 and resistance R 1 first local differential circuit in series, capacitor C 2 and resistance R 2 second local differential circuit in series, resistance R 1, the other end of R2 is all connected with ground wire, capacitor C 3 and resistance R 3 the 3rd local differential circuit in series, capacitor C 4 and resistance R 4 the 4th local differential circuit in series, resistance R 3, the other end of R4 is all connected with positive source, the other end of capacitor C 1 and C3 is connected to form a node, the other end of capacitor C 2 and C4 is connected to form another node, aforementioned two nodes are connected with previous stage circuit as the input of differential circuit,
Aforementioned drive circuit is made up of 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, 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 aforesaid energy-saving unicoil magnetic with differential drive circuit 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.
Usefulness of the present utility model is: differential 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 circuit only responds input voltage rising edge or trailing edge, and be zero between high level or low period, so relay power only produces power 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.
Brief description of the drawings
Fig. 1 is the structural representation of unicoil magnetic latching relay;
Fig. 2 is the theory of constitution figure that unicoil magnetic of the present utility model keeps relay system;
Fig. 3 is the circuit diagram that the unicoil magnetic shown in Fig. 2 keeps relay system.
The implication of Reference numeral in figure: 101-coil input end, 102-coil input end, 103-magnetic core, 104-coil, 105-moving contact, 106-fixed contact, 107-binding post, 108-binding post, 201-differential circuit, 202-drive circuit, 203-magnetic latching relay unicoil, 204-magnetic latching relay contact, two-value change-over circuit of 205-.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to concrete introduction.
With reference to Fig. 2, the energy-saving unicoil magnetic with differential drive circuit of the present utility model keeps relay system, comprise: differential circuit, drive circuit and unicoil magnetic latching relay, wherein, the structure of unicoil magnetic latching relay as shown in Figure 1, is introduced differential circuit and drive circuit below in detail.
With reference to Fig. 3, differential circuit is made up of four local differential circuits, each local differential circuit is in series by an electric capacity and a resistance, it is capacitor C 1 and resistance R 1 first local differential circuit in series, capacitor C 2 and resistance R 2 second local differential circuit in series, capacitor C 3 and resistance R 3 the 3rd local differential circuit in series, capacitor C 4 and resistance R 4 the 4th local differential circuit in series, in these four local differential circuits, resistance R 1, the other end of R2 is all connected with ground wire, resistance R 3, the other end of R4 is all connected with positive source, the other end of the other end of capacitor C 1 and capacitor C 3 is connected to form a node, this node is connected with previous stage circuit as an input of differential circuit, the other end of the other end of capacitor C 2 and capacitor C 4 is connected to form another node, this node is connected with previous stage circuit as another input of differential circuit.Introduce the structure of drive circuit below.
With reference to Fig. 3, drive circuit is made up of 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 2 is connected with resistance R 2 is connected with the base stage of triode T2, capacitor C 3 is connected with resistance R 3 is connected with the base stage of triode T3, capacitor C 4 is connected with resistance R 4 that capacitor C 1 is connected with resistance R 1 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 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 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.
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 (2)
1. the energy-saving unicoil magnetic with differential drive circuit keeps a relay system, comprising: unicoil magnetic latching relay JDQ, it is characterized in that, and also comprise: differential circuit and drive circuit;
Described differential circuit is made up of four local differential circuits, each local differential circuit is in series by an electric capacity and a resistance, capacitor C 1 and resistance R 1 first local differential circuit in series, capacitor C 2 and resistance R 2 second local differential circuit in series, resistance R 1, the other end of R2 is all connected with ground wire, capacitor C 3 and resistance R 3 the 3rd local differential circuit in series, capacitor C 4 and resistance R 4 the 4th local differential circuit in series, resistance R 3, the other end of R4 is all connected with positive source, the other end of capacitor C 1 and C3 is connected to form a node, the other end of capacitor C 2 and C4 is connected to form another node, described two nodes are connected with previous stage circuit as the input of differential circuit,
Described drive circuit is made up of 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, 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 energy-saving unicoil magnetic with differential drive circuit 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277638.5U CN203882887U (en) | 2014-05-27 | 2014-05-27 | Energy-saving single-coil magnetic latching relay device with differential driving circuit |
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|---|---|---|---|
| CN201420277638.5U CN203882887U (en) | 2014-05-27 | 2014-05-27 | Energy-saving single-coil magnetic latching relay device with differential driving circuit |
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| CN203882887U true CN203882887U (en) | 2014-10-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021987A (en) * | 2014-05-27 | 2014-09-03 | 国网新疆伊犁供电有限责任公司 | Energy-saving single-coil magnetic latching relay device with differential driving circuit |
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2014
- 2014-05-27 CN CN201420277638.5U patent/CN203882887U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021987A (en) * | 2014-05-27 | 2014-09-03 | 国网新疆伊犁供电有限责任公司 | Energy-saving single-coil magnetic latching relay device with differential driving 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: 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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| 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: 20150106 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 |