CN202495921U - Circuit device with induction switch capable of controlling Start/Stop of single chip microcomputer - Google Patents
Circuit device with induction switch capable of controlling Start/Stop of single chip microcomputer Download PDFInfo
- Publication number
- CN202495921U CN202495921U CN2012201231067U CN201220123106U CN202495921U CN 202495921 U CN202495921 U CN 202495921U CN 2012201231067 U CN2012201231067 U CN 2012201231067U CN 201220123106 U CN201220123106 U CN 201220123106U CN 202495921 U CN202495921 U CN 202495921U
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- China
- Prior art keywords
- chip microcomputer
- single chip
- stop
- circuit device
- switch
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Abstract
The utility model discloses a circuit device with an induction switch capable of controlling start/stop of a single chip microcomputer. The circuit device comprises at least one induction switch and a single chip microcomputer. The circuit device is characterized in that: the induction switch is in series between the single chip microcontroller and a power source. The circuit device is advantaged in that: induction (or sensing) signals are adopted as a start/stop switch of the single chip microcomputer. According to the device, and sensing signals are also adopted as a Start/Stop command of the single chip microcomputer; an electric power-consumed standby working mode in which a single chip microcontroller is in a long-term power-up state to wait the arrival of signals in the prior art is converted into a working mode in which the single chip microcontroller is powered on the arrival of sensing signals and is powered off on the completion of operation. Therefore, the power source can be greatly saved, and interferences of magnetoelectricity, static electricity and lightning strike can be also avoided. In control occasions of anti-theft alarm, fire alarm and standby detection in which a wait state can last a long time, the device enables the circuit to be in a zero power-consumed wait state such that a miniature battery can be adopted to replace an original AC power supply. The device can assist in saving energy, reducing cost, greatly improving reliability and prolonging a service life.
Description
Technical field
The utility model belongs to circuit control device, and definite saying is the intelligence controlling device of a kind of inductive switch control single chip computer start and stop.
Background technology
More the circuit that is used for intelligence controlling device at present adopts single-chip microcomputer to gather induced signal or accepts the mode of external order.These modes all are to let single-chip microcomputer be in the state that energising is waited for, gather pulse or the switching signal that comes from transducer or checkout gear then.No matter signal comes soon, slowly or do not come the start of all will switching on of signal, single-chip microcomputer to wait there.Like this, just a lot of problems have been brought.At first be exactly the problem of external disturbances, in the time of single-chip microcomputer booting wait, meet interference signals such as static, electromagnetism, thunderbolt, control will produce mistake, or directly causes single chip microcomputer halt; Next is the problem of power consumption, although the single-chip microcomputer power consumption is few, for powered battery, wireless transmission, the inconvenient occasion of civil power, also is very considerable; In addition, owing to the irregular variation and the single-chip microcomputer of extraneous signal is difficult to reasons such as identification, cause the situation of error of performance also to happen occasionally; Also have because the complete machine failure rate that long-term energising start brings and useful life problem etc.
In order to overcome the above problems, single-chip microcomputer has adopted the working method of standby dormancy under many situation, but this mode is "on" position after all, and need often wake work up, and single-chip microcomputer still is difficult to resist external various interference; The identification pulse signal still be interference signal be difficult problem always, in the practical application error of performance with cause the situation of fault to happen occasionally.Test and experience all prove, want to overcome the above problems at all, have with the starting switch of external order (switching signal) as single-chip microcomputer work moment start, the power cutoff that finishes of working only.
Summary of the invention
Energising power consumption that standby brought when not having task, be subject to disturb and problems such as operation troubles, the utility model provides a kind of moment energising during single-chip microcomputer work that lets, after hours the outage working method and the device of shutting down in order to solve single-chip microcomputer.The circuit arrangement of a kind of inductive switch control single chip computer start and stop promptly is provided
The technical solution of the utility model is achieved in that the circuit arrangement of these inductive switch control single chip computer start and stop, has an inductive switch and a single-chip microcomputer at least, it is characterized in that inductive switch is connected between single-chip microcomputer and the power supply.
The beneficial technical effects of the utility model is: with the start stop switch of induction (or sensing) signal as single-chip microcomputer; With switch on the for a long time working method of the power consumption standby that waiting signal arrives of single chip circuit in the past; Become transducing signal and come just energising; The working method of just cutting off the power supply after the complete operation has not only been saved power supply greatly, and shuts down and avoided interference such as magnetoelectricity, static, thunderbolt.At burglar alarm, fire protection warning, treat that the mosts of the time such as machine testing all are in the control occasion of wait state, this device can make circuit be in the wait state of zero-power, is the original mains-supplied of instead with minicell.Energy-conservation economize on electricity, reduce cost, and improved greatly reliability of products and useful life.
Description of drawings
Accompanying drawing 1 is the single construction of switch sketch map of the utility model; Accompanying drawing 2 is the sketch mapes that added relay switching circuit; Accompanying drawing 3 is sketch mapes of inductive switch and relay parallel connection, and accompanying drawing 4 is to have added relay switching circuit to have added the sketch map that recovers switching circuit again.Sequence number in the accompanying drawing is: 1, switch, 2, single-chip microcomputer, 3, relay, 4, recover switching circuit, 5, magnet steel, V, power supply.
Embodiment
Below in conjunction with the embodiment that provides in the accompanying drawing, the structure and the use of the utility model is elaborated.
Embodiment 1: with reference to accompanying drawing 1, the circuit arrangement of these inductive switch control single chip computer start and stop has an inductive switch (1) and a single-chip microcomputer (2), it is characterized in that inductive switch (1) is connected between single-chip microcomputer (2) and the power supply (V).
Embodiment 2: with reference to accompanying drawing 2, the circuit arrangement of these inductive switch control single chip computer start and stop is characterized in that between said inductive switch (1) and single-chip microcomputer (2), also having a relay as auxiliary switch (3).
Embodiment 3: with reference to accompanying drawing 3, the circuit arrangement of these inductive switch control single chip computer start and stop is characterized in that between power supply (V) and single-chip microcomputer (2), being connected with key switch (1), is in parallel with relay (3) as auxiliary switch.When needs work (for example gate inhibition's intercom system); Click switch (1); Connect single-chip microcomputer (2) work, after the work such as the contacting of the relay (2) that single-chip microcomputer (2) will break off originally (this moment maybe key switch (1) break off), single-chip microcomputer (2) handle for example intercommunication, unblank; Again relay (3) contact is broken off, recovered the state that outage is shut down.
Embodiment 4: with reference to accompanying drawing 4; The circuit arrangement of these inductive switch control single chip computer start and stop; It is characterized in that also having in the circuit of the relay as auxiliary switch (3) between inductive switch (1) and single-chip microcomputer (2) one and be communicated with and be connected in simultaneously the recovery switching circuit (4) on the relay (3) as auxiliary switch with power supply (V) and single-chip microcomputer (2); Inductive switch among the figure (1) is a normally closed switch, and the circuit (4) that recovers switch is the circuit that FET and resistance constitute.When magnet steel during near inductive switch (1); Inductive switch breaks off, and because of grid is the low level conducting, power supply is communicated with single-chip microcomputer (2) through the contact 1,3 of FET, relay (3) in the restore circuit; Single-chip microcomputer work; Through after the of short duration processing, forward the contact of relay (3) to 2, the single-chip microcomputer outage is shut down.After this, after magnet steel was removed, inductive switch was closed, and power supply takes back 1 with relay contact through contact 2,3 UNICOM's single-chip microcomputers of relay after the single-chip microcomputer work, restPoses.Go round and begin again with this.
Inductive switch in the above embodiments can be a dry reed switch, near switch, and mains switches such as touch switch, Hall switch, preferably dry reed switch.Relay can be selected the relay of specification models such as common relay, magnetic latching relay.Can select and recover switching circuit: the control circuit of transistor, gate circuit or combination.
Claims (4)
1. the circuit arrangement of inductive switch control single chip computer start and stop has an inductive switch and a single-chip microcomputer at least, it is characterized in that inductive switch is connected between single-chip microcomputer and the power supply.
2. according to the circuit arrangement of the described a kind of inductive switch control single chip computer of claim 1 start and stop, it is characterized in that between said inductive switch and single-chip microcomputer, also having a relay at least as auxiliary switch.
3. according to the circuit arrangement of the described a kind of inductive switch control single chip computer of claim 1 start and stop, it is characterized in that between power supply (V) and single-chip microcomputer, having an inductive switch at least, a parallelly connected relay with inductive switch is as auxiliary switch.
4. according to the circuit arrangement of the described a kind of inductive switch control single chip computer of claim 2 start and stop, it is characterized in that between inductive switch and single-chip microcomputer having in the circuit as the relay of auxiliary switch one and be communicated with power supply and single-chip microcomputer and be connected in simultaneously as the recovery switching circuit on the relay of auxiliary switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201231067U CN202495921U (en) | 2012-03-21 | 2012-03-21 | Circuit device with induction switch capable of controlling Start/Stop of single chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201231067U CN202495921U (en) | 2012-03-21 | 2012-03-21 | Circuit device with induction switch capable of controlling Start/Stop of single chip microcomputer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202495921U true CN202495921U (en) | 2012-10-17 |
Family
ID=47002133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201231067U Expired - Fee Related CN202495921U (en) | 2012-03-21 | 2012-03-21 | Circuit device with induction switch capable of controlling Start/Stop of single chip microcomputer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202495921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664611A (en) * | 2012-03-21 | 2012-09-12 | 山东潍微科技股份有限公司 | Circuit apparatus capable of controlling starting and stopping of one-chip microcomputer by inductive switch |
-
2012
- 2012-03-21 CN CN2012201231067U patent/CN202495921U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664611A (en) * | 2012-03-21 | 2012-09-12 | 山东潍微科技股份有限公司 | Circuit apparatus capable of controlling starting and stopping of one-chip microcomputer by inductive switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121017 Termination date: 20150321 |
|
| EXPY | Termination of patent right or utility model |