CN107733408A - A kind of relay system switch based on decoder - Google Patents
A kind of relay system switch based on decoder Download PDFInfo
- Publication number
- CN107733408A CN107733408A CN201711059347.3A CN201711059347A CN107733408A CN 107733408 A CN107733408 A CN 107733408A CN 201711059347 A CN201711059347 A CN 201711059347A CN 107733408 A CN107733408 A CN 107733408A
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- Prior art keywords
- relay
- switch
- decoder
- radio
- relay system
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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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K2017/515—Mechanical switches; Electronic switches controlling mechanical switches, e.g. relais
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- Selective Calling Equipment (AREA)
Abstract
The invention discloses a kind of relay system switch based on decoder, include relay, decoder and main control chip, when some relay needs to change on off state, main control chip controls the decoder at it with needing the pulse to produce high level on the pin that the relay contact of relay status is connected to change, then to after one low level of Enable Pin of decoder and continuing preset time, reach and recover the high level of Enable Pin after preset durations to control decoder at it with needing the pulse to produce high level again on the pin that the relay contact of relay status is connected to change.The present invention, by the control terminal increase of main control chip, so as to increase the quantity of attachable relay, effectively reduces the production cost of switch by connecting decoder.
Description
Technical field
The present invention relates to field of switches, is switched more specifically to the relay system based on decoder.
Background technology
Electrical equipment is equipment essential in daily life, by switch can with control apparatus on and off working condition
Between switch.At present, many switches are the break-makes by Control power transmission line therethrough come the break-make of control apparatus.
Because the electrical equipment of the positions such as family or company is typically more, for cost-effective and convenient control, it is generally desirable to one to open
Pass can realize multi-channel control, but relay has normally opened and normally closed two states, therefore a relay needs two lists
Only control line provides two path control signal, so as to realize the control of a relay, and in switching control chip pin
It is limited, and which limits the quantity of integrated multipath control in a switch.
The content of the invention
The technical problem to be solved in the present invention is, has a normally opened and normally closed two states for above-mentioned relay, one
Individual relay needs two single control lines to provide two path control signal, so as to realize the control of a relay, and opens
The pin of control chip is limited inside the Pass, and which limits the technological deficiency of the quantity of integrated multipath control in a switch, carry
A kind of relay system based on decoder has been supplied to switch.
The present invention for solve its technical problem, there is provided it is a kind of based on decoder relay system switch, comprising：
Relay, for controlling the break-make of the power transmission line by the relay under the control of pulse；
Decoder, the relay is connected, for producing the pulse according to control signal, one group of a relay is normal
Open two output ends that contact and normally-closed contact connect decoder respectively；
Main control chip, the decoder is connected, for producing control signal according to switch triggering signal；Specifically, some
When relay needs to change on off state, main control chip controls the decoder at it with needing the pulse to change relay shape
High level is produced on the pin of the relay contact connection of state, it is then described so as to allow to one low level of Enable Pin of decoder
Exported on pin after low level and continue preset time, reached and recover the high level of Enable Pin after preset durations and translated with controlling
Code device is at it with needing the pulse to produce high level again on the pin that the relay contact of relay status is connected to change.
Ac-dc converter circuit, electric main is converted into direct current, thinks the relay system switch power supply.
The relay system switch has two pieces of circuit boards, the decoder and one piece installed therein of the main control chip
On circuit board, the relay is on another piece of circuit board.
In the relay system switch of the present invention, decoder is 3-8 decoders, and the main control chip has 4 control lines,
3 inputs and Enable Pin of decoder are connected respectively to, to transmit the control signal.
In the relay system switch of the present invention, relay is 3 to realize the control of 3 tunnels load, the main control chip
And decoder is one.
In the relay system switch of the present invention, in addition to：
Touch switch, on the control panel of panel-switch, main control chip is connected, for responding the operation of user, production
The raw switch triggering signal.
In the relay system switch of the present invention, in addition to：
First radio-frequency communication module, main control chip is connected, for being connected with communication adapter, turned with receiving communication adapter
The switch triggering signal transmitted by the switch triggering signal and mobile communication terminal transmitted by the remote control of hair, and by
Control and remote control and mobile communication terminal are transmitted back to the working condition for the load for feeding back main control chip in main control chip.
In the relay system switch of the present invention, communication adapter includes：
Process chip；
Second radio-frequency communication module, connect and be controlled by process chip, transmit what is come to receive the first radio-frequency communication module
The working condition of load simultaneously sends switch triggering signal that the remote controller that the 3rd radio-frequency communication module receives comes to first
Radio-frequency communication module；
3rd radio-frequency communication module, connect and be controlled by process chip, to receive the switch triggering of remote controller letter
Number and send the working condition of load that the second radio-frequency communication module receives to remote control；
WIFI module, connect and be controlled by process chip, to be connected to WIFI gateways, so as to forward mobile communication terminal
Switch triggering signal forwards the working condition of caused load on the panel-switch to mobile communication to the panel-switch
Terminal.
In the relay system switch of the present invention, touch switch (contact-making switch body is controlled) is opened for capacitance touch
Close.
In the relay system switch of the present invention, above-mentioned relay is magnetic latching relay.
In the relay system switch of the present invention, also include：
AC/DC change-over circuits, powered for electric main to be converted into dc source for the panel-switch.
In the switch of the present invention, main control chip PIC16F690-I/SS, first radio-frequency communication module is
RFM300。
Implement the switch of the relay system based on decoder of the present invention, have the advantages that：By connecting decoder,
By the control terminal increase of main control chip, so as to increase the quantity of attachable relay, the production cost of switch is effectively reduced.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the circuit theory frame of the use state of an embodiment of the switch of the relay system based on decoder of the present invention
Figure；
Fig. 2 is the part physical circuit schematic diagram of Fig. 1 of a present invention embodiment；
Fig. 3 is chip HCT238 truth table.
Embodiment
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, now compares accompanying drawing and describe in detail
The embodiment of the present invention.
As shown in figure 1, Fig. 1 is the use state of an embodiment of the switch of the relay system based on decoder of the present invention
Schematic block circuit diagram.In the present embodiment, relay system switch 1 includes main control chip 11, relay 12, touch switch 13, first
Radio communication core module 14, AC/DC change-over circuits 15, indicator lamp 16 and decoder 17, ac-dc converter circuit (do not show in figure
Go out), electric main is converted to direct current by ac-dc converter circuit, thinks relay system switch power supply.
Main control chip 11 control signal, decoder 12 can connect according to corresponding to producing switch triggering signal and be controlled by master
The above-mentioned control signal of chip 11 is controlled to export pulse on output pin, the pulse exported on each output pin is independently, often
One group of output pin connects a relay 12, and one group of output pin is two output pins, and the two output pins connect respectively
The normally opened contact and normally-closed contact of a relay 12 are connect, therefore each relay contact can pass through connected output
Pin obtains pulse, to control the break-make of the live wire by relay 12.
Switch triggering signal derives from the radio communication core module 14 of touch switch 13 and first.The tool of relay system switch 1
There is control panel, touch switch 13 connects main control chip 11, and it is the electric capacity on the control panel of relay system switch 1
Formula soft-touch control, operator can operate the capacitor type touch switch on the control panel, to produce switch triggering signal；On
First radio communication core module 14 illustrates again in aftermentioned.It is also equipped with the control panel one-to-one with load 2
Indicator lamp 16, indicator lamp 16 are controlled by main control chip 11, to be lighted when corresponding load 2 is stopped, and load 2 works corresponding
Extinguishing when making.
AC/DC change-over circuits 15 will be converted to electric main dc source as the power supply of relay system switch 1, China's exchange
Civil power is generally 220V/50Hz, and the dc source that this relay system switch 1 uses has 3.3V, 5V etc..
First radio communication core module 14 connects main control chip 11, and the first radio communication core module 14 can be with communication adapter
2 the second radio-frequency communication module 22 realizes that radio communication connects.Communication adapter 2 also has process chip 21, WIFI module 24
And the 3rd radio-frequency communication module 23, the second radio-frequency communication module 22, the 3rd radio-frequency communication module 23, WIFI module 24 respectively with
Process chip 21 connects and is controlled by process chip 21.WIFI module 24 may be connected to WIFI gateways, and mobile communication terminal 5 is (such as
Mobile phone) it is connected to after the WIFI gateways connectable to WIFI module 24 to realize the connection with communication adapter 2, mobile communication end
The mode that end 5 is connected to WIFI gateways has two kinds：After WIFI gateways being connected to by the WIFI module built in mobile communication terminal 5
It is connected with above-mentioned WIFI module 24；Remotely connected by the mobile comm unit (3G, 4G network etc.) built in mobile communication terminal 5
It is connected after being connected to WIFI gateways with above-mentioned WIFI module 24.Remote control 4 may be connected to the 3rd radio-frequency communication module 23, with the 3rd
Radio-frequency communication module 23 realizes communication.Preferably, the communication frequency and first between the 3rd radio-frequency communication module 23 and remote control 4
Communication frequency between the radio-frequency communication module 22 of radio-frequency communication module 14 and second is different.
Operator is operated on the APP that mobile communication terminal 5 is installed, and sends switch triggering signal, communication adapter 2
WIFI module 24 receive the transmission switch triggering signal of the transmission of mobile communication terminal 5 after, the control of process chip 21 second is penetrated
Frequency communication module 22 forwards the switch triggering signal to the first radio communication core module 14 for switching 1.Operator is on the remote control 4
Operated, switch triggering signal is sent by radio frequency, the 3rd radio-frequency communication module 23 of communication adapter 2 receives remote control
After the 4 switch triggering signals sent, process chip 21 controls the second radio-frequency communication module 22 to forward the switch triggering signal to opening
Close 1 the first radio communication core module 14.
Main control chip 11 is receiving the switch triggering signal or touch switch 13 of the forwarding of the first radio communication core module 14
After caused switch triggering signal, control signal control decoder 17 is produced, decoder 17 produces Pulse Width Control reverse-blocking tetrode thyristor
11.The working condition of the feedback load 2 of main control chip 11 is to the first radio communication core module 14 simultaneously, as control signal is negative for control
Carry 2 to be operated, main control chip 11 controls the first radio communication core module 14 to send load 2 and is in the signal of working condition extremely
Communication adapter 2, communication adapter 2 receive after the signal that to be synchronized to remote control 4 by the 3rd radio-frequency communication module 23 enterprising
Row instruction, is synchronized on mobile communication terminal 5 by WIFI module 24 and is indicated.If necessary, communication adapter 2 can should
The signal of the working condition of load 2 is forwarded to remote control 4, mobile communication terminal 5, remote control 4, mobile communication again after being cached
When terminal 5 again connects to communication adapter 2, or new remote control 4, mobile communication terminal 5 are connected to communication adapter 2
When, working condition that communication adapter 2 passes through the load 2 on the signal synchronous remote control device 4 of caching, mobile communication terminal 5.Such as
This, communication adapter 2 while a variety of modes of operation are provided, operator can also by communication adapter 2 remote control 4,
The working condition of load 2 is immediately seen on mobile communication terminal 5, and communication adapter 2 can increase effective operation of remote control 4
Effective operating distance that distance and mobile communication terminal 5 are controlled by the WIFI module of itself.
In the present embodiment, when that need not change the on off state of relay 12, main control chip 11 does not produce control letter
Number, i.e. only after switch triggering signal is received, the on off state for producing control signal control relay 12 is carried out main control chip 11
Change.When that need not change the on off state of relay 12, main control chip 11 produces indication signal, controls the finger of indicator lamp 16
Show state, when the power-off of load 12 is stopped, corresponding indicator lamp 16 is lighted, when loading 12 energization work, corresponding indicator lamp
16 extinguish, and indication signal shares the controlling switch of main control chip 11 with control signal, but when indication signal works, main control chip
11 indication signal controls the Enable Pin of decoder 17 simultaneously, it is not worked.
With reference to Fig. 2, it is the part physical circuit schematic diagram of an embodiment of Fig. 1 of present invention pass, wherein J1,
J2 is connector.Main control chip 11 is using chip PIC16F690-I/SS realizations, decoder HCT238, its truth table such as Fig. 3
Shown, wherein H represents high level, and L represents low level, and X represents high level and low level.In the present embodiment, with Y0 and Y1
The normally opened contact and normally-closed contact of a relay 12 are connected respectively, and Y2 is connected the normally opened contact of a relay 12 with Y3 respectively
And normally-closed contact, Y4 are connected the normally opened contact and normally-closed contact of a relay 12 with Y5 respectively, Y6 is stand-by with Y7, in other realities
The normally opened contact and normally-closed contact of a relay 12 can also be connected respectively by applying in example.Due to the operation principle of each relay
Similar, the present invention only partly illustrates so that Y0 is corresponding with Y1.
After main control chip 11 receives switch triggering signal, identification Y0 relays 12 corresponding with Y1 need to be switched
The change of state.When needing pulse in Y0 pins to change the working condition of relay 12, main control chip 11 produces control signal：A2A1A0=LLL, now Y0Y1=HL, then controls Enable PinA2A1A0Do not limit,
Now Y0Y1=LL, after preset durations, recoverA2A1A0=LLL, Y0 output is H to L during this
To H, equivalent to foring a pulse, and Y1-Y7 output is always L, and hereafter control signal disappears.By adjusting default hold
The continuous time, pulse width can be controlled, to adapt to the demand of different relays 12.
When needing pulse in Y1 pins to change the working condition of relay 12, main control chip 11 produces control signal： A2A1A0=LLH, now Y0Y1=LH, then controls Enable PinA2A1A0Do not limit, this
When Y0Y1=LL, after preset durations, recoverA2A1A0=LLH, during this Y1 output be H to L extremely
H, equivalent to foring a pulse, and Y0, Y2-Y7 output are always L, and hereafter control signal disappears.It is default by adjusting
Duration, pulse width can be controlled, to adapt to the demand of different relays 12.
It should be appreciated that the E of the present invention2、E1Pin is grounded, thereforeIt is always HH, therefore in the present embodiment
Control signal is really transmitted by four tunnels (pin 19,18,3,13 of main control chip).But in other embodiments of the present invention
In, control signal can also be sent by main control chip 11 to control E1And/or E2Pin, now control signal be by 5 or
Person 6 data line transmits.
Indicator lamp 16 is light emitting diode (L1, L2 and L3), the control of load corresponding to the negative electrode connection of light emitting diode
The connection end (pin 18,3 and 13) of signal, anode connects positive power terminal afterwards by current-limiting resistance (R15, R16, R17).At this
In embodiment, the voltage 3.3V of the preferably high level of control signal and positive power terminal is in the same size, and L=0V, therefore at this
When road control signal is high level, the voltage difference very little at respective leds both ends or be zero, voltage difference insufficient for
Now light emitting diode extinguishes LEDs ON；When the road control signal is low level, low level and positive power terminal
Voltage difference is larger, and this voltage difference is more than the conducting voltage of light emitting diode, and respective leds are lighted.Need not change after
During the on off state of electrical equipment 12, main control chip 11 respectively by its A0, CA3, CA2 pin export high level come extinguish L1, L2,
L3 indicates to load energization work, respectively lights L1, L2, L3 by exporting low level in its A0, CA3, CA2 pin to indicate
Corresponding load power down is stopped.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (10)
1. a kind of relay system switch based on decoder, it is characterised in that include：
Relay, for controlling the break-make of the power transmission line by the relay under the control of pulse；
Decoder, the relay is connected, for producing the pulse according to control signal, one group of a relay is normally opened tactile
Point and normally-closed contact connect two output ends of decoder respectively；
Main control chip, the decoder is connected, for producing the control signal according to switch triggering signal；Specifically, master control
The chip controls decoder is at it with needing the pulse to be produced to change on the pin that the relay contact of relay status is connected
Raw high level, then export low level and when persistently presetting to one low level of Enable Pin of decoder so as to allow on the pin
Between, reach recover the high level of Enable Pin after preset durations with control decoder its with need the pulse change after
High level is produced again on the pin of the relay contact connection of electrical appliance state, so as to form the pulse；
Ac-dc converter circuit, electric main is converted into direct current, thinks the relay system switch power supply.
2. relay system according to claim 1 switch, it is characterised in that the decoder is 3-8 decoders, the master
Control chip has 4 control lines, 3 inputs and Enable Pin of decoder is connected respectively to, to transmit the control signal.
3. relay system switch according to claim 1, it is characterised in that the relay is 3 to realize that 3 tunnels load
Control, the main control chip and decoder are one.
4. relay system switch according to claim 1, it is characterised in that also include：
Touch switch, on the control panel of panel-switch, main control chip is connected, for responding the operation of user, produce institute
State switch triggering signal.
5. relay system switchs according to claim 1, it is characterised in that the touch switch is capacitor type touch switch.
6. relay system switch according to claim 1, it is characterised in that also include：
First radio-frequency communication module, main control chip is connected, for being connected with communication adapter, to receive communication adapter forwarding
The switch triggering signal transmitted by the switch triggering signal and mobile communication terminal transmitted by remote control, and be controlled by
Main control chip is transmitted back to remote control and mobile communication terminal with the working condition for the load for feeding back main control chip.
7. relay system switchs according to claim 6, it is characterised in that the communication adapter includes：
Process chip；
Second radio-frequency communication module, connect and be controlled by process chip, to receive the load that the transmission of the first radio-frequency communication module comes
Working condition and send switch triggering signal that the remote controller that receives of the 3rd radio-frequency communication module comes to the first radio frequency
Communication module；
3rd radio-frequency communication module, connect and be controlled by process chip, to receive the switch triggering signal of remote controller simultaneously
The working condition of the load that the second radio-frequency communication module receives is sent to remote control；
WIFI module, connect and be controlled by process chip, to be connected to WIFI gateways, so as to forward the switch of mobile communication terminal
Trigger signal forwards the working condition of caused load on the panel-switch whole to mobile communication to the panel-switch
End.
8. relay system switchs according to claim 1, it is characterised in that the relay is magnetic latching relay.
9. relay system switchs according to claim 1, it is characterised in that also includes：
AC/DC change-over circuits, powered for electric main to be converted into dc source for the panel-switch.
10. relay system switchs according to claim 1, it is characterised in that the main control chip is PIC16F690-I/SS,
First radio-frequency communication module is RFM300.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711059347.3A CN107733408A (en) | 2017-11-01 | 2017-11-01 | A kind of relay system switch based on decoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711059347.3A CN107733408A (en) | 2017-11-01 | 2017-11-01 | A kind of relay system switch based on decoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107733408A true CN107733408A (en) | 2018-02-23 |
Family
ID=61221988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711059347.3A Pending CN107733408A (en) | 2017-11-01 | 2017-11-01 | A kind of relay system switch based on decoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107733408A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117555309A (en) * | 2024-01-12 | 2024-02-13 | 北京中航泰瑞电子技术有限公司 | Multi-way switch control optimization method and system |
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| CN206060715U (en) * | 2016-06-24 | 2017-03-29 | 天津市中际慧信科技有限公司 | A kind of Intelligent touch remote switch |
| CN109725549A (en) * | 2017-10-30 | 2019-05-07 | 浩佩源电子科技(嘉兴)有限公司 | A kind of switch based on communication adapter |
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2017
- 2017-11-01 CN CN201711059347.3A patent/CN107733408A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101227134A (en) * | 2007-01-15 | 2008-07-23 | 陈侑郁 | Braking torque force control apparatus of brake |
| CN202794325U (en) * | 2012-08-31 | 2013-03-13 | 惠州市亿能电子有限公司 | Device capable of increasing unit voltage collecting quantity |
| CN104301374A (en) * | 2014-07-25 | 2015-01-21 | 南京信联汇智信息科技有限公司 | Monitoring system for touch-display integrated machine based on wireless communication |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117555309A (en) * | 2024-01-12 | 2024-02-13 | 北京中航泰瑞电子技术有限公司 | Multi-way switch control optimization method and system |
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