CN202110401U - Infrared countdown timer - Google Patents
Infrared countdown timer Download PDFInfo
- Publication number
- CN202110401U CN202110401U CN2011201617829U CN201120161782U CN202110401U CN 202110401 U CN202110401 U CN 202110401U CN 2011201617829 U CN2011201617829 U CN 2011201617829U CN 201120161782 U CN201120161782 U CN 201120161782U CN 202110401 U CN202110401 U CN 202110401U
- Authority
- CN
- China
- Prior art keywords
- infrared
- countdown timer
- circuit
- utility
- model
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a timer circuit, in particular to an infrared countdown timer. The infrared countdown timer comprises a singlechip MCU (microprogrammed control unit). The singlechip MCU is connected with an infrared ray receiving circuit B and connected with a power supply circuit A through a relay output circuit C. compared with the prior art, the infrared countdown timer has the characteristics of reasonable design, simple structure and convenience in installation and operation.
Description
Technical field
The utility model relates to timer circuit, specifically provides a kind of infrared countdown timer.
Background technology
Timer setting commonly used in the present daily life is all very complicated, and not easy to operate, and used switch is touch-tone mostly, and the time is with damaging easily for a long time.
Summary of the invention
The utility model is to above problem, and a kind of infrared countdown timer is provided, and it realizes opening function through infrared radiation receiving circuit, and is easy to use easy to operate.
The utility model solves the technical scheme that its technical matters adopted:
A kind of infrared countdown timer comprises single-chip microprocessor MCU, and single-chip microprocessor MCU connects infrared radiation receiving circuit B, and connects power circuit A through relay output circuit C.
A kind of infrared countdown timer of the utility model, it compared with prior art has following beneficial effect:
1, totally with regard to a socket, without any need for setting, simple installation, simple operation.
2, switch adopts infrared receiving terminal, not can because of button damages can't opening and closing.
3, different gear selection of time is arranged, can select certain gear, regularly close thereby carry out countdown.
4, any IR remote controller can both be controlled this product.
In sum, a kind of infrared countdown timer of the utility model compared with prior art has characteristics reasonable in design, simple in structure, easy for installation, simple operation.
Description of drawings
Fig. 1 is a kind of circuit theory diagrams of infrared countdown timer.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment a kind of infrared countdown timer of the utility model is done further to describe.
Shown in accompanying drawing 1, a kind of infrared countdown timer comprises single-chip microprocessor MCU, and single-chip microprocessor MCU connects infrared radiation receiving circuit B, and connects power circuit A through relay output circuit C.
A kind of infrared countdown timer of the utility model is given single-chip microprocessor MCU, infrared radiation receiving circuit B, relay output circuit C power supply by power circuit A behind logical civil power.
The select time gear has 4 grades, and any button of any IR remote controller just can start.
By the button of an IR remote controller, from newly picking up counting, arrive the time value of setting, just the timeing closing device again up to the time.
Above-described embodiment, the utility model embodiment a kind of more preferably just, common variation that those skilled in the art carries out in the utility model technical scheme scope and replacement all should be included in the protection domain of the utility model.
Claims (1)
1. one kind infrared countdown timer comprises single-chip microcomputer (MCU), it is characterized in that, said single-chip microcomputer (MCU) connects infrared radiation receiving circuit (B), and connects power circuit (A) through relay output circuit (C).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201617829U CN202110401U (en) | 2011-05-20 | 2011-05-20 | Infrared countdown timer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201617829U CN202110401U (en) | 2011-05-20 | 2011-05-20 | Infrared countdown timer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202110401U true CN202110401U (en) | 2012-01-11 |
Family
ID=45435847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201617829U Expired - Fee Related CN202110401U (en) | 2011-05-20 | 2011-05-20 | Infrared countdown timer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202110401U (en) |
-
2011
- 2011-05-20 CN CN2011201617829U patent/CN202110401U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120111 Termination date: 20120520 |