CN207473342U - A kind of solid-state relay that there is output state and keep - Google Patents
A kind of solid-state relay that there is output state and keep Download PDFInfo
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- CN207473342U CN207473342U CN201721247109.0U CN201721247109U CN207473342U CN 207473342 U CN207473342 U CN 207473342U CN 201721247109 U CN201721247109 U CN 201721247109U CN 207473342 U CN207473342 U CN 207473342U
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Abstract
The utility model discloses a kind of solid-state relays for having the function of output state and keeping, it includes relay circuit（1）, relay circuit（1）Pass through solid-state relay circuit input end（10）With state retaining circuit（2）Connection, the other end and out-put supply（3）Connection；The state retaining circuit（2）Including microcontroller（4）, microcontroller（4）In be equipped with data accumulating unit（5）, microcontroller（4）With bias supply（6）With input common end（7）Connection.When the solid-state relay of the utility model restores electricity after a loss of power, the working condition before remaining powered off is remained to, there is state holding, influence caused by due to accident power-off can be effectively reduced.
Description
Technical field
The utility model is related to a kind of electronic device, particularly a kind of solid relay that there is output state and keep
Device.
Background technology
Solid-state relay（Solid State Relay, abridge SSR）, it is a kind of to be all made of solid state electrical components
Novel noncontacting switch device, it is using electronic component (such as the semiconductor devices such as field-effect tube, switching transistor, silicon-controlled)
The purpose of switching characteristic, with can reach contactless no-spark make-and-break contact, therefore it is otherwise known as " noncontacting switch ".
Solid-state relay is divided into the solid-state relay of no bias supply and has the solid-state relay of bias supply；Without biased electrical
The solid-state relay in source（As shown in Figure 3）In application circuit, when switching K closures, relay output end is connected, when switch K breaks
When opening, relay output end shutdown statelessly keeps function.
There is the solid-state relay of bias supply（As shown in Figure 4）In application circuit, normally apply bias supply, as switch K
During closure, relay output end connect, when switch K disconnect when, relay output end shutdown, after bias supply powers off again on
When electric, relay working condition is related with switch K state, statelessly keeps function.
Therefore, existing solid-state relay is when power supply recovery after power cut is powered, it is difficult to the work before remaining powered off
State does not have state and keeps function.
Invention content
The purpose of the utility model is to provide a kind of solid-state relays for having the function of output state and keeping.This practicality
When novel solid-state relay restores electricity after a loss of power, the working condition before remaining powered off is remained to, there is state holding,
Influence caused by due to accident power-off can be effectively reduced.
The technical solution of the utility model：A kind of relay output state keeping method, this method are by setting state
Holding circuit, make relay remain powered off before output state, realize state keep function.
In a kind of aforementioned relay output state keeping method, the method is the profit by setting state retaining circuit
With the output state and output control pulse before the microcontroller meter relay power-off being located in state retaining circuit, make relay
Output state before remaining powered off realizes that state keeps function.
In a kind of aforementioned relay output state keeping method, the microcontroller is by data accumulating unit record
Working condition before relay power-off；By I/O-3 mouthfuls of control relay circuits, the work for being recorded relay output microcontroller
Make state；By I/O-1 and I/O-2 mouthfuls of input control pulses of microcontroller, change the output state of relay.
Solid-state relay used in a kind of aforementioned relay output state keeping method, including relay circuit, relay
Device circuit is connect by solid-state relay circuit input end with state retaining circuit, and the other end is connect with out-put supply；The shape
State holding circuit includes microcontroller, and data accumulating unit is equipped in microcontroller, and microcontroller connects with bias supply and input common end
It connects.
In aforementioned solid-state relay, the microcontroller be equipped with input control port and output control terminal mouth, I/O-1 and
I/O-2 is input control port, and I/O-3 is output control terminal mouth, and the I/O-1 is controlled to connect control terminal, I/O-2 for shutdown
End, microcontroller are connect by I/O-3 mouthfuls with solid-state relay circuit input end.
In aforementioned solid-state relay, the relay circuit is no bias supply solid-state relay or has bias supply to consolidate
Body relay；The no bias supply solid-state relay circuit input end is effective for high level；It is described have bias supply solid after
Appliance circuit input terminal is that high level is effective or low level is effective.
Compared with prior art, solid-state relay working power is kept for state by the bias supply of setting, connects control
System and shutdown control are pulse signal, when relay is on-state, apply control pulse connecting control terminal, relay is still
It remains turned on, when turning off control terminal application control pulse, relay switchs to off state by on-state；Work as relay
During for off state, apply control pulse in shutdown control terminal, relay is still held off, and applies control connecting control terminal
During pulse processed, relay switchs to on-state by off state；When biased electrical source recovery after power cut is powered, relay is kept
Output state before power down.Realization state keeps function.
By setting microcontroller（Also known as microcontroller is abbreviated as MCU）, built-in E2PROM or other has repeatable change
It writes, the data accumulating unit of power down holding function, as relay working condition mnemon, for the output of relay to be written
State, the I/O-1 mouths of microcontroller are used as input control pulse with I/O-2 mouthfuls, and I/O-3 mouthfuls are used to that solid-state relay to be controlled to input
Circuit turns on and off solid-state relay.
When biased electrical source powers on, microcontroller first reads the value of relay supervisor's state mnemon, then according to it
Value determines the working condition of relay, and controls solid-state relay circuit by I/O-3, makes solid-state relay output microcontroller institute
The working condition of memory.
Relay make pulse is effective, and relay in an ON state and remembers its working condition, and make pulse restores nothing
After effect, relay remains turned on.
Relay shutdown pulse it is effective, relay is off state and remembers its working condition, shutdown pulse-recovery without
After effect, relay is held off.
The solid-state relay of the utility model, which can be applied to the control of epidemic disaster, gas supply, power supply supply etc., to be needed to connect
The field of continuous work can effectively reduce influence caused by due to accident power-off.
In conclusion when the solid-state relay of the utility model restores electricity after a loss of power, the work before remaining powered off is remained to
Make state, there is state holding, influence caused by due to accident power-off can be effectively reduced.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the functional block diagram of the utility model；
Fig. 3 is no bias supply solid-state relay functional block diagram；
Fig. 4 is that have bias supply solid-state relay functional block diagram.
Label in attached drawing for：1- relay circuits, 2- state retaining circuits, 3- out-put supplies, 4- microcontrollers, 5- data
Mnemon, 6- bias supplies, 7- inputs common end, 8- connect control terminal, 9- shutdown control terminals, 10- solid-state relay circuits
Input terminal.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model
The foundation of limitation.
Embodiment 1.A kind of solid-state relay that there is output state and keep, as depicted in figs. 1 and 2, including relay
Device circuit 1, relay circuit 1 are connect by solid-state relay circuit input end 10 with state retaining circuit 2, the other end and output
Power supply 3 connects；The state retaining circuit 2 includes microcontroller 4, is equipped with data accumulating unit 5 in microcontroller 4, microcontroller 4 with partially
It puts power supply 6 and input common end 7 connects；The microcontroller 4 be equipped with input control port and output control terminal mouth, I/O-1 and
I/O-2 is input control port, and I/O-3 is output control terminal mouth, and the I/O-1 is controlled to connect control terminal 8, I/O-2 for shutdown
End 9 processed, microcontroller 4 are connect by I/O-3 mouthfuls with solid-state relay circuit input end 10；The relay circuit 1 is no biasing
Power supply solid-state relay；The solid-state relay circuit input end 10 is effective for high level.
Embodiment 2.A kind of solid-state relay that there is output state and keep, as shown in Fig. 2, including relay circuit
1, relay circuit 1 is connect by solid-state relay circuit input end 10 with state retaining circuit 2, the other end and out-put supply 3
Connection；The state retaining circuit 2 includes microcontroller 4, and data accumulating unit 5, microcontroller 4 and biased electrical are equipped in microcontroller 4
Source 6 and input common end 7 connect；The microcontroller 4 is equipped with input control port and output control terminal mouth, I/O-1 and I/O-2
For input control port, I/O-3 is output control terminal mouth, and the I/O-1 is shutdown control terminal 9 to connect control terminal 8, I/O-2,
Microcontroller 4 is connect by I/O-3 mouthfuls with solid-state relay circuit input end 10；The relay circuit 1 is has bias supply to consolidate
Body relay；The solid-state relay circuit input end 10 is effective for high level.
Embodiment 3.A kind of solid-state relay that there is output state and keep, as shown in Fig. 2, including relay circuit
1, relay circuit 1 is connect by solid-state relay circuit input end 10 with state retaining circuit 2, the other end and out-put supply 3
Connection；The state retaining circuit 2 includes microcontroller 4, and data accumulating unit 5, microcontroller 4 and biased electrical are equipped in microcontroller 4
Source 6 and input common end 7 connect；The microcontroller 4 is equipped with input control port and output control terminal mouth, I/O-1 and I/O-2
For input control port, I/O-3 is output control terminal mouth, and the I/O-1 is shutdown control terminal 9 to connect control terminal 8, I/O-2,
Microcontroller 4 is connect by I/O-3 mouthfuls with solid-state relay circuit input end 10；The relay circuit 1 is has bias supply to consolidate
Body relay；The solid-state relay circuit input end 10 is effective for low level.
Operation principle：The solid-state relay of the utility model is by state retaining circuit 2 and solid-state relay SSR circuits
It is integrated in same encapsulation and forms, by setting microcontroller 4 and setting E in microcontroller 42PROM or other has repeatable
It rewrites, the data accumulating unit 5 of power down holding function, as relay working condition mnemon, for relay to be written
Output state, two I/O mouthfuls of microcontroller 4 are used as input control pulse, and one I/O mouthfuls are used to control solid-state relay circuit 1,
Turn on and off solid-state relay.
When offset side powers on, microcontroller 4 first reads the value of relay status mnemon, then according to its value determine after
The working condition of electric appliance, and solid-state relay circuit 1 is controlled by I/O-3, make what solid-state relay output microcontroller 4 was remembered
Working condition.Relay make pulse is effective, and relay in an ON state and remembers its working condition, and make pulse restores nothing
After effect, relay remains turned on；Relay shutdown pulse is effective, and relay is off state and remembers its work shape
State, after shutdown pulse-recovery is invalid, relay is held off.
Claims (3)
1. a kind of solid-state relay that there is output state and keep, it is characterised in that：Including relay circuit（1）, relay
Device circuit（1）Pass through solid-state relay circuit input end（10）With state retaining circuit（2）Connection, the other end and out-put supply
（3）Connection；The state retaining circuit（2）Including microcontroller（4）, microcontroller（4）In be equipped with data accumulating unit（5）, monolithic
Machine（4）With bias supply（6）With input common end（7）Connection.
2. a kind of solid-state relay that there is output state and keep according to claim 1, it is characterised in that：It is described
Microcontroller（4）Input control port and output control terminal mouth are equipped with, I/O-1 and I/O-2 are input control port, and I/O-3 is
Output control terminal mouth, the I/O-1 is connects control terminal（8）, I/O-2 is shutdown control terminal（9）, microcontroller（4）Pass through I/O-3
Mouth and solid-state relay circuit input end（10）Connection.
3. a kind of solid-state relay that there is output state and keep according to claim 1, it is characterised in that：It is described
Relay circuit（1）For no bias supply solid-state relay or there is bias supply solid-state relay；The no bias supply solid
Relay circuit input terminal（10）It is effective for high level；It is described to have bias supply solid-state relay circuit input end（10）For high electricity
Flat effective or low level is effective.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721247109.0U CN207473342U (en) | 2017-09-22 | 2017-09-22 | A kind of solid-state relay that there is output state and keep |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721247109.0U CN207473342U (en) | 2017-09-22 | 2017-09-22 | A kind of solid-state relay that there is output state and keep |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207473342U true CN207473342U (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721247109.0U Active CN207473342U (en) | 2017-09-22 | 2017-09-22 | A kind of solid-state relay that there is output state and keep |
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| CN (1) | CN207473342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589699A (en) * | 2017-09-22 | 2018-01-16 | 贵州振华群英电器有限公司（国营第八九厂） | A kind of relay output state keeping method and solid-state relay used |
-
2017
- 2017-09-22 CN CN201721247109.0U patent/CN207473342U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589699A (en) * | 2017-09-22 | 2018-01-16 | 贵州振华群英电器有限公司（国营第八九厂） | A kind of relay output state keeping method and solid-state relay used |
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