CN106571267A - Driving method of multiple magnetic latching relays - Google Patents
Driving method of multiple magnetic latching relays Download PDFInfo
- Publication number
- CN106571267A CN106571267A CN201610407579.2A CN201610407579A CN106571267A CN 106571267 A CN106571267 A CN 106571267A CN 201610407579 A CN201610407579 A CN 201610407579A CN 106571267 A CN106571267 A CN 106571267A
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- CN
- China
- Prior art keywords
- circuit
- input
- magnetic latching
- decoding circuit
- control signal
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- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
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- Relay Circuits (AREA)
Abstract
The invention discloses a driving method of multiple magnetic latching relays. The method comprises the following steps: S1: preparing an input port, a decoding circuit, a level holding circuit, an output port and a driving circuit, and successively connecting the input port, the decoding circuit, the output port and the driving circuit, and then connecting the level holding circuit with the output port in parallel; S2: inputting into the input port a control signal by using a single-chip microcomputer, wherein the input port transmits the control signal to the decoding circuit; S3: enabling the decoding circuit to output a decoding signal according to the control signal, then enabling the decoding circuit to transmit a decoded signal to the driving circuit through the output port, enabling the driving circuit to drive the relay, and enabling the level holding circuit to help the driving circuit drive the multiple magnetic latching relays. The driving method controls 16 solid-state relays with six control lines, saves the I/O interfaces of the single-chip computer, and has the advantages of simple structure, convenient use and low cost.
Description
Technical field
The present invention relates to relay technical field, more particularly to a kind of driving method of multichannel magnetic latching relay.
Background technology
Magnetic latching relay is a kind of new type of relay for growing up in recent years, is also a kind of automatic switch；And other
Electromagnetic relay is the same, and turn on automatically and cutting action are played to circuit；Except that, magnetic latching relay it is normally closed or normal
Open state is entirely to rely on the effect of permanent-magnet steel, the conversion of its on off state be the pulse electrical signal triggering by one fixed width and
Complete；Magnetic latching relay is divided into single-phase and three-phase；According to relevant information introduction, magnetic latching relay in the market is touched
Point switching current is maximum up to 150A；Control coil voltage is divided into DC9V, DC12V etc.；General appliance life 10000 times；Machinery
Life-span 1000000 times；Contact pressure drop<100mV；Therefore, with power saving, stable performance, small volume, large carrying capacity, than
The characteristics of general electromagnetic relay superior performance.
But control of the prior art to magnetic latching relay needs two control lines, if it is desired to driving 16 magnetic to keep relay
Device is accomplished by 32 control lines, wastes the I/O interfaces of single-chip microcomputer.
The content of the invention
Based on the technical problem that background technology is present, the present invention proposes a kind of driving side of multichannel magnetic latching relay
Method.
A kind of driving method of multichannel magnetic latching relay proposed by the present invention, comprises the following steps：
S1：Be ready for port, decoding circuit, level holding circuit, output port and drive circuit, by input port,
Decoding circuit, output port and drive circuit are sequentially connected, then that level holding circuit is in parallel with output port；
S2：Control signal is input into input port with single-chip microcomputer, input port transmits control signal to decoding circuit；
S3：Decoding circuit exports decoded signal according to control signal, and then decoding circuit is by decoded signal Jing output port
Transmit to drive circuit, drive circuit is driven to relay, while level holding circuit associated drive circuitry completes multichannel
The driving of magnetic latching relay.
Preferably, the decoding circuit is used for the control signal output decoded signal according to input port input.
Preferably, the drive circuit is used to be driven relay control.
Preferably, the level holding circuit is used for associated drive circuitry.
Preferably, the input port is used to be input into the control signal of single-chip microcomputer to decoding circuit, and output port is used for
The decoded signal of output decoding circuit.
In the present invention, a kind of driving method of multichannel magnetic latching relay can be according to input by decoding circuit
The control signal output decoded signal of mouth input, by drive circuit control can be driven to relay, protected by level
Hold circuit can associated drive circuitry, the control signal of single-chip microcomputer can be input into decoding circuit by input port, by defeated
Exit port can export the decoded signal of decoding circuit, present invention achieves with 6 control 16 solid-state relays of line traffic control, saving
The about I/O interfaces of single-chip microcomputer, simple structure is easy to use, low cost.
Description of the drawings
Fig. 1 is a kind of circuit structure diagram of the driving method of multichannel magnetic latching relay proposed by the present invention.
Specific embodiment
The present invention is made with reference to specific embodiment further explain.
Embodiment
With reference to Fig. 1, the present embodiment proposes a kind of driving method of multichannel magnetic latching relay, comprises the following steps：
S1：Be ready for port, decoding circuit, level holding circuit, output port and drive circuit, by input port,
Decoding circuit, output port and drive circuit are sequentially connected, then that level holding circuit is in parallel with output port；
S2：Control signal is input into input port with single-chip microcomputer, input port transmits control signal to decoding circuit；
S3：Decoding circuit exports decoded signal according to control signal, and then decoding circuit is by decoded signal Jing output port
Transmit to drive circuit, drive circuit is driven to relay, while level holding circuit associated drive circuitry completes multichannel
The driving of magnetic latching relay.
In the present embodiment, the decoding circuit is used for the control signal output decoded signal according to input port input, institute
Drive circuit is stated for being driven control to relay, the level holding circuit is used for associated drive circuitry, the input
Port is used to be input into the control signal of single-chip microcomputer to decoding circuit, and output port is used to export the decoded signal of decoding circuit,
A kind of driving method of multichannel magnetic latching relay can be according to the control signal of input port input by decoding circuit
Output decoded signal, by drive circuit control can be driven to relay, can aid in driving by level holding circuit
Dynamic circuit, the control signal of single-chip microcomputer can be input into decoding circuit by input port, can be exported by output port and be translated
The decoded signal of code circuit, present invention achieves with 6 control 16 solid-state relays of line traffic control, having saved the I/O of single-chip microcomputer
Interface, simple structure is easy to use, low cost.
In the present embodiment, when being input into without control signal, output end is open circuit, but Jing is normal in automation control appliance
The magnetic latching relay of " normally closed " formula is needed, at this moment can be in the external one group of simple circuit of input；Multifunctional control circuit, when
Be input into for " 0 " when, triode BG cut-off, magnetic latching relay 1, magnetic latching relay 2, magnetic latching relay 3 input without
Input voltage, respective output end disconnects；When input is " 1 ", triode BG conductings, magnetic latching relay 1, magnetic keeps relay
Device 2, the input of magnetic latching relay 3 have input voltage, and respective output end is connected, thus has been reached by an input port
Control multiple output ends " logical ", the purpose of " disconnected "；Single-pole double throw control circuit, when input is " 0 ", triode BG cut-offs, magnetic
The input of guard relay 1 disconnects without input voltage, output end, and now A point voltages are added to the input of magnetic latching relay 2
On, the output end of magnetic latching relay 2 is connected；When input is " 1 ", triode BG conductings, the input of magnetic latching relay 1 has
Input voltage, output end is connected, though now A points have voltage, magnitude of voltage connects can not the output end of magnetic latching relay 2
And be off, thus reached the function of " single-pole double throw control circuit ".
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (5)
1. a kind of driving method of multichannel magnetic latching relay, it is characterised in that comprise the following steps：
S1：Port, decoding circuit, level holding circuit, output port and drive circuit are ready for, by input port, decoding
Circuit, output port and drive circuit are sequentially connected, then that level holding circuit is in parallel with output port；
S2：Control signal is input into input port with single-chip microcomputer, input port transmits control signal to decoding circuit；
S3：Decoding circuit exports decoded signal according to control signal, and then decoding circuit transmits decoded signal Jing output port
To drive circuit, drive circuit is driven to relay, while level holding circuit associated drive circuitry completes multichannel magnetic guarantor
Hold the driving of relay.
2. a kind of driving method of multichannel magnetic latching relay according to claim 1, it is characterised in that the decoding electricity
Road is used for the control signal output decoded signal according to input port input.
3. a kind of driving method of multichannel magnetic latching relay according to claim 1, it is characterised in that the driving electricity
Road is used to be driven relay control.
4. the driving method of a kind of multichannel magnetic latching relay according to claim 1, it is characterised in that the level is protected
Circuit is held for associated drive circuitry.
5. a kind of driving method of multichannel magnetic latching relay according to claim 1, it is characterised in that the input
Mouth is for being input into the control signal of single-chip microcomputer to decoding circuit, and output port is used to export the decoded signal of decoding circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610407579.2A CN106571267A (en) | 2016-06-12 | 2016-06-12 | Driving method of multiple magnetic latching relays |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610407579.2A CN106571267A (en) | 2016-06-12 | 2016-06-12 | Driving method of multiple magnetic latching relays |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106571267A true CN106571267A (en) | 2017-04-19 |
Family
ID=58532140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610407579.2A Pending CN106571267A (en) | 2016-06-12 | 2016-06-12 | Driving method of multiple magnetic latching relays |
Country Status (1)
| Country | Link |
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| CN (1) | CN106571267A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101556459A (en) * | 2009-04-10 | 2009-10-14 | 卓灵智能(深圳)有限公司 | Intelligent electrical controller |
| CN201765638U (en) * | 2010-09-08 | 2011-03-16 | 山东科技大学 | Multi-user electric energy meter power-on/off control driver |
| CN203164742U (en) * | 2013-04-08 | 2013-08-28 | 东莞市鸿茂物联网科技有限公司 | Magnetic-latching control system |
| CN104133139A (en) * | 2014-07-30 | 2014-11-05 | 成都天奥测控技术有限公司 | Multifunctional PXI module integration testing instrument and testing method thereof |
-
2016
- 2016-06-12 CN CN201610407579.2A patent/CN106571267A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101556459A (en) * | 2009-04-10 | 2009-10-14 | 卓灵智能(深圳)有限公司 | Intelligent electrical controller |
| CN201765638U (en) * | 2010-09-08 | 2011-03-16 | 山东科技大学 | Multi-user electric energy meter power-on/off control driver |
| CN203164742U (en) * | 2013-04-08 | 2013-08-28 | 东莞市鸿茂物联网科技有限公司 | Magnetic-latching control system |
| CN104133139A (en) * | 2014-07-30 | 2014-11-05 | 成都天奥测控技术有限公司 | Multifunctional PXI module integration testing instrument and testing method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170419 |
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| RJ01 | Rejection of invention patent application after publication |