CN202102967U - One-bit digital timer - Google Patents
One-bit digital timer Download PDFInfo
- Publication number
- CN202102967U CN202102967U CN2011200321752U CN201120032175U CN202102967U CN 202102967 U CN202102967 U CN 202102967U CN 2011200321752 U CN2011200321752 U CN 2011200321752U CN 201120032175 U CN201120032175 U CN 201120032175U CN 202102967 U CN202102967 U CN 202102967U
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- triode
- mcu
- relay
- bit digital
- voltage
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Abstract
A one-bit digital timer comprises a single chip microcomputer control circuit MCU, the pins PC5, PC3 and PC4 of the MCU are respectively connected with the pins of a switch K1 and a switch K2, and connected with the base of a triode VS2 through a resistor R3, a relay J is connected with the collector of the VS2, a one-bit LCD display SM is connected with the MCU, an input power supply supplies power to the MCU through a power supply circuit, the power supply circuit is composed of rectification circuits V6-V9, a resistor R6, a triode VS1, a voltage stabilizing tube V1 and a capacitor C2, the output ends of the rectification circuit V6-V9 are connected to the resistor R6 and the collector of the VS1 through a resistor R8, the base of the VS1 is connected with the other end of the resistor R6, the cathode of a V1 and the anode of a C2, the voltage stabilization value of the voltage stabilizing tube is 5V, the input power supply is in a range of from AC-DC 6V to AC-DC 230V no matter how high the input voltage is, the voltage of the emitter of the triode VS2 is 4.3V, the MCU determines the time for delay according to a program, the pin PA2 of the MCU outputs a high potential or a low potential when time is up, the triode VS2 is switched on or switched off, and a relay J is adhered or disconnected. The one-bit digital timer can be cooperated with any relay having a voltage below 220V to form a time relay.
Description
Technical field
The utility model relates to a kind of timer, refers in particular to a kind of one-bit digital timer.
Background technology
Timer is important control parts in the electromechanical integration automatic control equipment.Existing electronic timer mainly is made up of actuators such as delay circuit, trigger and relays; Energized; Work immediately after a period of time time-delay; Trigger is triggered, thereby the pushing executing mechanism actuating of relay is switched on or switched off external circuit, reaches the purpose that external circuit regularly moves.
Current; Time relay basic structure all is to add in the time control circuit that a relay constitutes, and its weak point is that each time relay can only be worked under a kind of power supply; Each time control circuit can only be joined a relay; That is to say that as long as time control circuit or relay have an inefficacy, the time relay just can not re-use.
Summary of the invention
The purpose of the utility model is to provide a kind of one-bit digital timer, and it can cooperate with any relay below the 220V becomes a kind of time relay.
For achieving the above object, the solution that the utility model is taked is: a kind of one-bit digital timer, and it comprises the single-chip microprocessor MCU control circuit; The PC5 pin of single chip machine controlling circuit MCU connects that K switch 1, PC3 pin connect K switch 2, the PC4 pin connects triode VS2 base stage through resistance R 3, and relay J connects triode VS2 collector electrode, and a LCD display SM meets single chip machine controlling circuit MCU; To single chip machine controlling circuit MCU power supply, power circuit is made up of rectification circuit V6-V9, resistance R 6, triode VS1, voltage-stabiliser tube V1, capacitor C 2 the input power supply through power circuit, and the output of rectification circuit V6-V9 is through resistance R 8 connecting resistance R6 and triode VS1 collector electrode; The triode VS1 base stage connecting resistance R6 other end, voltage-stabiliser tube V1 negative pole, capacitor C 2 positive poles; The input power supply is alternating current-direct current 6V-230V, and voltage-stabiliser tube V1 voltage stabilizing value is 5V, no matter the many high voltages of input; Triode VS2 emitter voltage all is 4.3V; Single chip machine controlling circuit MCU is according to the time of the program decision time-delay of input, and to the time, the PA2 pin of single chip machine controlling circuit MCU is exported high potential or electronegative potential; Triode VS2 conducting or end relay J adhesive or disconnection.
This one-bit digital timer can cooperate with any relay J below the 220V becomes a kind of time relay, and relay J is connected on triode VS2 collector electrode.Time shows with a LCD display SM, makes it powerful.Adopt single chip machine controlling circuit MCU, regularly accurately, powerful.
Description of drawings
Fig. 1 is the electrical connection diagram of present embodiment.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof the utility model is remake description.
Referring to Fig. 1, a kind of one-bit digital timer, it comprises the single-chip microprocessor MCU control circuit; The PC5 pin of single chip machine controlling circuit MCU connects that K switch 1, PC3 pin connect K switch 2, the PC4 pin connects triode VS2 base stage through resistance R 3, and relay J connects triode VS2 collector electrode, and a LCD display SM meets single chip machine controlling circuit MCU; To single chip machine controlling circuit MCU power supply, power circuit is made up of rectification circuit V6-V9, resistance R 6, triode VS1, voltage-stabiliser tube V1, capacitor C 2 the input power supply through power circuit, and the output of rectification circuit V6-V9 is through resistance R 8 connecting resistance R6 and triode VS1 collector electrode; The triode VS1 base stage connecting resistance R6 other end, voltage-stabiliser tube V1 negative pole, capacitor C 2 positive poles; The input power supply is alternating current-direct current 6V-230V, and voltage-stabiliser tube V1 voltage stabilizing value is 5V, no matter the many high voltages of input; Triode VS2 emitter voltage all is 4.3V; Single chip machine controlling circuit MCU is according to the time of the program decision time-delay of input, and to the time, the PA2 pin of single chip machine controlling circuit MCU is exported high potential or electronegative potential; Triode VS2 conducting or end relay J adhesive or disconnection.
Referring to Fig. 1, described single chip machine controlling circuit MCU meets power supply indicator VF1 through resistance R 1.
Referring to Fig. 1, described relay J connects triode VS2 collector electrode through rectification circuit V2-V5.
Referring to Fig. 1, shunt capacitance C1 behind the described power circuit.
Referring to Fig. 1, described single chip machine controlling circuit MCU model is MD710F630-SOP14.
Referring to Fig. 1, described one-bit digital timer cooperates with any relay J below the 220V becomes a kind of time relay.
During use, input power supply L relay termination J and rectification circuit V2-V5 input, the N termination rectification circuit V6-V9 and the rectification circuit V2-V5 input other end.Triode VS1 plays the pressure regulation effect.When triode VS2 conducting or by the time, relay J adhesive or disconnection.
Claims (6)
1. one-bit digital timer, it is characterized in that: it comprises the single-chip microprocessor MCU control circuit, the PC5 pin of single chip machine controlling circuit MCU connects that K switch 1, PC3 pin connect K switch 2, the PC4 pin connects triode VS2 base stage through resistance R 3; Relay J connects triode VS2 collector electrode, and a LCD display SM meets single chip machine controlling circuit MCU, and the input power supply is supplied power to single chip machine controlling circuit MCU through power circuit; Power circuit is made up of rectification circuit V6-V9, resistance R 6, triode VS1, voltage-stabiliser tube V1, capacitor C 2; The output of rectification circuit V6-V9 passes through resistance R 8 connecting resistance R6 and triode VS1 collector electrode, the triode VS1 base stage connecting resistance R6 other end, voltage-stabiliser tube V1 negative pole, capacitor C 2 positive poles, and the input power supply is alternating current-direct current 6V-230V; Voltage-stabiliser tube V1 voltage stabilizing value is 5V; No matter the many high voltages of input, triode VS2 emitter voltage all is 4.3V, and single chip machine controlling circuit MCU is according to the time of the program decision time-delay of input; To the time; The PA2 pin of single chip machine controlling circuit MCU output high potential or electronegative potential, triode VS2 conducting or end relay J adhesive or disconnection.
2. one-bit digital timer according to claim 1 is characterized in that: described single chip machine controlling circuit MCU meets power supply indicator VF1 through resistance R 1.
3. one-bit digital timer according to claim 1 is characterized in that: described relay J connects triode VS2 collector electrode through rectification circuit V2-V5.
4. one-bit digital timer according to claim 1 is characterized in that: shunt capacitance C1 behind the described power circuit.
5. one-bit digital timer according to claim 1 is characterized in that: described single chip machine controlling circuit MCU model is MD710F630-SOP14.
6. one-bit digital timer according to claim 1 is characterized in that: described one-bit digital timer cooperates with any relay J below the 220V becomes a kind of time relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200321752U CN202102967U (en) | 2011-01-25 | 2011-01-25 | One-bit digital timer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200321752U CN202102967U (en) | 2011-01-25 | 2011-01-25 | One-bit digital timer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202102967U true CN202102967U (en) | 2012-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200321752U Expired - Fee Related CN202102967U (en) | 2011-01-25 | 2011-01-25 | One-bit digital timer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202102967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074417A (en) * | 2011-01-25 | 2011-05-25 | 浙江申乐电气有限公司 | Digital timer |
-
2011
- 2011-01-25 CN CN2011200321752U patent/CN202102967U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074417A (en) * | 2011-01-25 | 2011-05-25 | 浙江申乐电气有限公司 | Digital timer |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20180125 |