CN207424589U - A kind of timing controller for microcontroller - Google Patents
A kind of timing controller for microcontroller Download PDFInfo
- Publication number
- CN207424589U CN207424589U CN201721417161.6U CN201721417161U CN207424589U CN 207424589 U CN207424589 U CN 207424589U CN 201721417161 U CN201721417161 U CN 201721417161U CN 207424589 U CN207424589 U CN 207424589U
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- Prior art keywords
- circuit
- microcontroller
- timing controller
- controller according
- interference
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Abstract
The utility model is related to a kind of timing controllers for microcontroller, including microcontroller, relay, charactron, memory, supply unit, key switch and anti-interference circuit, the anti-interference circuit is that more piece-root grafting ground wires are provided with around each circuit, further include the power circuit being connected with the microcontroller, clock signal circuit, button display circuit, driving circuit, the technical solution for the NFC wireless devices being wirelessly transferred with external equipment, what is solved is with electromagnetism interference, the characteristics of remote transmission controls, preferably resolve in the prior art timing controller easily by electromagnetic interference, it can not remote control and the single technological deficiency of function.
Description
Technical field
The utility model is related to timing controller fields, and in particular to a kind of timing controller for microcontroller.
Background technology
The timing tool that the mankind use earliest is hourglass or water leakage, but after clock and watch birth mature, people start
It attempts to improve timer using this brand-new timing tool, achievees the purpose that accurately control the time.Timer is strictly one
The marvelous utility model of item, makes quite a lot of work for needing people's control time become simply many.People even will timing
Device has been used in military aspect, and time bomb, delay detonator has been made.Present many household electrical appliance are assembled with timer to control
System switch or working time.It is progressively eliminated instead base based on the timer of analogue technique since function is simple
In the new generation product of digital technology.With the continuous improvement of microcontroller cost performance, the application range of microcontroller progressively expands, base
In digital technology there is more powerful timer of new generation can both realize complicated control ability, also there can be electricity into expert
Device controls.The product is due to possessing powerful function, while volume is little, is easier to use, in appropriate circumstances can be with
Obtain the microelectronic product of a variety of difference in functionality.
CN104597820A discloses a kind of method for extending microcontroller hardware timer, with the monolithic based on message queue
Machine operating system is used in combination, and the timers trigger message that required by task is wanted can be provided for different task process.The practicality is new
The array and a fiducial time variable as fiducial time of a storage timing information are first distributed in type, reuses one firmly
Part timer generate some cycles interruption, finally in interrupt service routine completion timing device extension.In each call
During disconnected service routine, fiducial time variable adds 1, is then compared with each timing value, and such as equal, then transmission timing information is specified
Message.This method only takes up 1 hardware timer, can it is simple for structure with write software code, operation is efficient.But there is also
Following defect：First, under some complex environments, timing controller is easily subject to some electromagnetic interferences and influences work at work
Make；2nd, can only be controlled under shorter distance, it is impossible to remotely located；3rd, function is single.
Utility model content
Timing controller in the prior art at work easily by electromagnetic interference, can not remote control and function list
One technological deficiency.The utility model provides a kind of timing controller for microcontroller, which there is anti-electromagnetism to do
Disturb, remote transmission control the characteristics of.
In order to solve the above technical problems, the technical solution used is as follows：
A kind of timing controller for microcontroller, including microcontroller, relay, charactron, memory, supply unit,
Key switch and anti-interference circuit, the anti-interference circuit further include to be provided with more piece-root grafting ground wires around each circuit
Power circuit, clock signal circuit, button display circuit, driving circuit and the external equipment being connected with the microcontroller carry out
The NFC wireless devices of wireless transmission, the power circuit include the friendship being connected to this between single-chip microcomputer input and relay
Flow point pressure current-limiting circuit, bridge rectifier, filter circuit, inverter circuit and reduction voltage circuit.
Further, the key switch is 4.
Further, the key switch is respectively to set, shift, adding one and reset.
Further, the power circuit exports the voltage of about 5V after exchange partial pressure current-limiting circuit is divided, and passes
Bridge rectifier is defeated by, then is filtered using capacitance, circuit both ends parallel connection fly-wheel diode and relay access circuit.
Further, the exchange partial pressure current-limiting circuit is by resistance 1 and the access circuit in parallel of capacitance 1.
Further, the driving circuit is made of triode.
Further, the ground wire is arranged in the line layer of monolithic motor spindle.
Further, the external equipment is any PAD, computer, mobile phone or service with NFC wireless transmission functions
Device.
The beneficial effects of the utility model：
Effect one, the utility model are provided with more piece-root grafting ground wires around each circuit, and ground wire is arranged on microcontroller bottom
In the line layer in portion.The integrated function of timing controller is more, and also adds NFC wireless transmission functions, on circuit board
The electronic module of setting also more crypto set, it is therefore desirable to operating frequency it is higher, interference is generated to the transmission of wireless module, so as to
The use of wireless device is influenced, sets more piece-root grafting ground wires that can reduce the interference to wireless module around each circuit, is improved
Transmission speed；
Effect two, the utility model have abandoned traditional transformer in supply unit, and use zener diode with after
The mode of electric appliance parallel connection, greatly reduces the volume of timer, at the same zener diode can with protective relay damage,
There is stabilization, high voltage bearing；
Effect three, the utility model are provided with the NFC wireless devices being wirelessly transferred with external equipment, and external equipment is
Any PAD, computer, mobile phone or server with NFC wireless transmission functions.It can realize remote control timing controller
It is switched on and off.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the FB(flow block) of the utility model；
Fig. 2 is timer power supply circuit flow chart.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment be only the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing
It can be configured to arrange and design with a variety of with the component of the utility model embodiment indicated.Therefore, it is right below
The detailed description of the embodiment of the utility model provided in the accompanying drawings is not intended to limit claimed the utility model
Scope, but it is merely representative of the selected embodiment of the utility model.Embodiment based on the utility model, those skilled in the art
The all other embodiments obtained on the premise of creative work is not made belong to the model of the utility model protection
It encloses.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In the description of the utility model, it is also necessary to explanation, unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
Concrete meaning of the language in the utility model.
Embodiment
The present embodiment provides a kind of timing controller for microcontroller, including microcontroller, relay, charactron, storage
Device, supply unit, key switch and anti-interference circuit, the anti-interference circuit are that more piece-root graftings are provided with around each circuit
Ground wire, further include the power circuit being connected with the microcontroller, clock signal circuit, button display circuit, driving circuit, with it is outer
The NFC wireless devices that portion's equipment is wirelessly transferred, the power circuit include being connected to single-chip microcomputer input and relay with this
Exchange partial pressure current-limiting circuit, bridge rectifier, filter circuit, inverter circuit and reduction voltage circuit between device.Microcontroller is this
The core control portions of utility model, can be with the time of preset in advance timing, 4 key switch difference by 4 key switches
To set, shifting, adding one and resetting, wherein there is display of the 3 Digital sum pipes for delay time, separately there is the small of one digit number code pipe
The normal work of each component of timer is represented while when several points flicker in seconds, the timing of timing controller is arranged to
0~99 minute, by 2 numeral methods, there was 1 numeral method in second hand part for minute part, if pre- set by reaching
Determine timing, internal relay can make open or closed action realization and controlled unit is powered accordingly,
The operating current of charactron and relay is larger, and single-chip processor i/o pin load capacity is limited, it is impossible to directly drive
Charactron and relay, it is therefore desirable to increase corresponding driving circuit, we work as base stage using triode come driving circuit here
For high level, triode cut-off；When base stage be low level, triode ON, operating current amplification, drive corresponding charactron；
The driving circuit is made of triode.
Such as Fig. 2, the power circuit exports the voltage of about 5V after exchange partial pressure current-limiting circuit is divided, is transferred to
Bridge rectifier, then be filtered using capacitance, circuit both ends parallel connection fly-wheel diode and relay access circuit；The friendship
Flow point presses current-limiting circuit by resistance and capacitance access circuit in parallel.
As a further improvement, the ground wire is arranged in the line layer of monolithic motor spindle.In the utility model
More piece-root grafting ground wires are provided with around each circuit, ground wire is arranged in line layer, and the line layer of the bottom of the microcontroller is set
It is equipped with multilayer line layer.Above-mentioned technical proposal around circuit by setting more piece-root grafting ground wires to isolate signal line group, respectively
Ground wire is independently arranged, and is avoided and is disturbed altogether, so as to significantly reduce the signal interference between line transport module.
As a further improvement, the external equipment is any PAD, computer, mobile phone with NFC wireless transmission functions
Or server.
Although the illustrative specific embodiment of the utility model is described above, in order to the art
Technical staff is it will be appreciated that the utility model, but the utility model is not limited only to the scope of specific embodiment, to this technology
For the those of ordinary skill in field, as long as long as the utility model that various change is limited and determined in appended claim
In spirit and scope, all are created using the utility model of the utility model design in the row of protection.
Claims (8)
1. a kind of timing controller for microcontroller, which is characterized in that including microcontroller, relay, charactron, memory,
Supply unit, key switch and anti-interference circuit, the anti-interference circuit is with being provided with more piece-root graftings around each circuit
Line further includes the power circuit being connected with the microcontroller, clock signal circuit, button display circuit, driving circuit and outside
The NFC wireless devices that equipment is wirelessly transferred, the power circuit include being connected to single-chip microcomputer input and relay with this
Between exchange partial pressure current-limiting circuit, bridge rectifier, filter circuit, inverter circuit and reduction voltage circuit.
2. the timing controller according to claim 1 for microcontroller, which is characterized in that the key switch is 4.
3. the timing controller according to claim 2 for microcontroller, which is characterized in that the key switch is respectively
It sets, shift, adding one and reset.
4. the timing controller according to claim 1 for microcontroller, which is characterized in that the power circuit is through exchange
Partial pressure current-limiting circuit exported after dividing the voltage of about 5V, is transferred to bridge rectifier, then is filtered using capacitance,
Circuit both ends parallel connection fly-wheel diode and relay access circuit.
5. the timing controller according to claim 4 for microcontroller, which is characterized in that the exchange partial pressure current limliting electricity
In routing resistance and capacitance access circuit in parallel.
6. the timing controller according to claim 1 for microcontroller, which is characterized in that the driving circuit is by three poles
Pipe is formed.
7. the timing controller according to claim 1 for microcontroller, which is characterized in that the ground wire is arranged on list
In the line layer of piece motor spindle.
8. the timing controller according to claim 1 for microcontroller, which is characterized in that the external equipment is any
PAD, computer, mobile phone or server with NFC wireless transmission functions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721417161.6U CN207424589U (en) | 2017-10-27 | 2017-10-27 | A kind of timing controller for microcontroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721417161.6U CN207424589U (en) | 2017-10-27 | 2017-10-27 | A kind of timing controller for microcontroller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207424589U true CN207424589U (en) | 2018-05-29 |
Family
ID=62310218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721417161.6U Expired - Fee Related CN207424589U (en) | 2017-10-27 | 2017-10-27 | A kind of timing controller for microcontroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207424589U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109033915A (en) * | 2018-08-06 | 2018-12-18 | 上海易钥电子科技有限公司 | A kind of storable double frequency temperature label of low-power consumption |
-
2017
- 2017-10-27 CN CN201721417161.6U patent/CN207424589U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109033915A (en) * | 2018-08-06 | 2018-12-18 | 上海易钥电子科技有限公司 | A kind of storable double frequency temperature label of low-power consumption |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 Termination date: 20201027 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |