CN204270062U - A kind of electric blanket single chip machine controlling circuit - Google Patents
A kind of electric blanket single chip machine controlling circuit Download PDFInfo
- Publication number
- CN204270062U CN204270062U CN201420689181.9U CN201420689181U CN204270062U CN 204270062 U CN204270062 U CN 204270062U CN 201420689181 U CN201420689181 U CN 201420689181U CN 204270062 U CN204270062 U CN 204270062U
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- China
- Prior art keywords
- pin
- chip microcomputer
- resistance
- electric capacity
- at89c2051 single
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- 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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- Control Of Resistance Heating (AREA)
- Central Heating Systems (AREA)
Abstract
The utility model relates to a kind of circuit, particularly a kind of electric blanket single chip machine controlling circuit.It is characterized in that: after the first electrode of electric blanket heating wire, bidirectional triode thyristor and the series connection of the second electrode, connect 220 volts of power inputs, 11 pin of AT89C2051 single-chip microcomputer are connected with the base stage of triode by the 4th resistance, and the collector of triode is extremely connected with the control of bidirectional triode thyristor by the 5th resistance.Owing to adopting technique scheme, the advantage that the utility model has and good effect are: safe and practical.
Description
Technical field
The utility model relates to a kind of circuit, particularly a kind of electric blanket single chip machine controlling circuit.
Background technology
At present, have what is heard during the fire caused by electric blanket, fire is all caused by the line with heating function of electric blanket.Now commercially available electric blanket power control switch only has manual heating and insulation second gear, can not automatically control.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of electric blanket single chip machine controlling circuit, keeping warm mode can be automatically switched to after electric blanket switches on power a period of time, and automatic cut-off power after insulation a period of time, temperature retention time is set by time switch.
The utility model solves the technical scheme that its technical matters adopts: the utility model is by 220 volts of power inputs, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, first resistance, second resistance, 3rd resistance, 4th resistance, first diode, second diode, voltage stabilizing diode, crystal oscillator, time switch, AT89C2051 single-chip microcomputer, triode, bidirectional triode thyristor and electric blanket heating wire composition, is characterized in that: electric blanket heating wire, 220 volts of power inputs are connect, the first electric capacity after first electrode of bidirectional triode thyristor and the series connection of the second electrode, 220 volts of power inputs are connect, the first diode after first resistor coupled in parallel again with the second Diode series, with the second diodes in parallel after second capacitances in series, voltage stabilizing diode and the second Capacitance parallel connection, the first electric capacity, one end after first resistor coupled in parallel by the first diode respectively with 20 pin of AT89C2051 single-chip microcomputer, the emitter of triode is connected, 1 pin of AT89C2051 single-chip microcomputer and indirect 3rd electric capacity of 20 pin, and 1 pin of AT89C2051 single-chip microcomputer is by the second resistance, 4th electric capacity is connected with 4 pin of AT89C2051 single-chip microcomputer, and 1 pin of AT89C2051 single-chip microcomputer is by the second resistance, 5th electric capacity is connected with 5 pin of AT89C2051 single-chip microcomputer, 1 pin of AT89C2051 single-chip microcomputer is connected with 10 pin of AT89C2051 single-chip microcomputer by the second resistance, the indirect crystal oscillator of 4 pin of AT89C2051 single-chip microcomputer and 5 pin of AT89C2051 single-chip microcomputer, 6 pin of AT89C2051 single-chip microcomputer by time switch respectively with one end of voltage stabilizing diode, 10 pin of AT89C2051 single-chip microcomputer are connected, and 11 pin of AT89C2051 single-chip microcomputer are connected with the base stage of triode by the 3rd resistance, and the collector of triode is extremely connected with the control of bidirectional triode thyristor by the 4th resistance.The self-editing program met the demands is written in AT89C2051 single-chip microcomputer.
Owing to adopting technique scheme, the advantage that the utility model has and good effect are: safe and practical.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Figure of description is circuit theory diagrams of the present utility model.
V.220 power input is lied prostrate, C in figure
1. the first electric capacity, C
2. the second electric capacity, C
3. the 3rd electric capacity, C
4. the 4th electric capacity, C
5. the 5th electric capacity, R
1. the first resistance, R
2. the second resistance, R
3. the 3rd resistance, R
4. the 4th resistance, D
1. the first diode, D
2. the second diode, D
3. voltage stabilizing diode, B. crystal oscillator, S. time switch, I.AT89C2051 single-chip microcomputer, VT. triode, G. bidirectional triode thyristor, A. electric blanket heating wire.
Embodiment
In Figure of description, after the first electrode of electric blanket heating wire (A), bidirectional triode thyristor (G) and the series connection of the second electrode, connect 220 volts of power inputs (V), the first electric capacity (C1), the first resistance (R
1) parallel connection again with the second diode (D
2) connect 220 volts of power inputs (V), the first diode (D after series connection
1), the second electric capacity (C
2) connect rear and the second diode (D
2) in parallel, voltage stabilizing diode (D
3) and the second electric capacity (C
2) in parallel, the first electric capacity (C
1), the first resistance (R
1) one end after parallel connection is by the first diode (D
1) be connected with 20 pin of AT89C2051 single-chip microcomputer (I), the emitter of triode (VT) respectively, 1 pin of AT89C2051 single-chip microcomputer (I) and the indirect 3rd electric capacity (C of 20 pin
3), 1 pin of AT89C2051 single-chip microcomputer (I) is by the second resistance (R
2), the 4th electric capacity (C
4) be connected with 4 pin of AT89C2051 single-chip microcomputer (I), 1 pin of AT89C2051 single-chip microcomputer (I) is by the second resistance (R
2), the 5th electric capacity (C
5) be connected with 5 pin of AT89C2051 single-chip microcomputer (I), 1 pin of AT89C2051 single-chip microcomputer (I) is by the second resistance (R
2) be connected with 10 pin of AT89C2051 single-chip microcomputer (I), the indirect crystal oscillator (B) of 4 pin of AT89C2051 single-chip microcomputer (I) and 5 pin of AT89C2051 single-chip microcomputer (I), 6 pin of AT89C2051 single-chip microcomputer (I) by time switch (S) respectively with voltage stabilizing diode (D
3) one end, AT89C2051 single-chip microcomputer (I) 10 pin be connected, 11 pin of AT89C2051 single-chip microcomputer (I) are by the 3rd resistance (R
3) be connected with the base stage of triode (VT), the collector of triode (VT) is by the 4th resistance (R
4) be extremely connected with the control of bidirectional triode thyristor (G).Electric blanket (A) switch on power work time, press time switch (S), the temperature retention time of electric blanket (A) can be set.
principle of work of the present utility model is:first resistance (R
1), the first electric capacity (C
1), the second electric capacity (C
2), the first diode (D
l), the second diode (D
2), voltage stabilizing diode (D
3) composition employing capacitance decompression, half-wave rectification DC power supply circuit; 20 pin of AT89C2051 single-chip microcomputer (I) are VCC, 10 pin are GND; 3rd electric capacity (C
3), the second resistance (R
2) reset circuit of composition single-chip microcomputer, the moment switched on power, because supply voltage is by the second resistance (R
2) to the 3rd electric capacity (C
3) charging process, reset terminal 1 pin of AT89C2051 single-chip microcomputer (I) obtains a high level reset pulse, makes AT89C2051 single-chip microcomputer (I) enter original state; 4,5 bipods of AT89C2051 single-chip microcomputer (I) are plug-in by crystal oscillator (B) and the 4th electric capacity (C
4), the 5th electric capacity (C
5) composition clock oscillator, drive internal clock generator to send clock signal; 3rd resistance (R
3), the 4th resistance (R
4), triode (VT) do export drive; Power switch made by bidirectional triode thyristor (G); Time switch (S).
Program uses C language to write.Be made up of master routine, time switch (S) T0 interrupt service subroutine, time switch (S) T1 interrupt service subroutine and time delay subroutine.Master routine to be arranged etc. by initialization and timing and forms.
Time switch (S) T0 interrupt service subroutine, one is used to produce trigger pulse, exports negative pulse in short-term drive triode (VT) to trigger bidirectional triode thyristor (G) conducting by 11 pin of AT89C2051 single-chip microcomputer (I); Two are used to judge whether setting-up time arrives, if arrived setting-up time, stop again after negative pulse when then 11 pin of AT89C2051 single-chip microcomputer (I) export long exporting a period of time, so repeatedly, make electric blanket (A) be in half-power state, namely after a period of time, automatically switch to insulation gear.
Time switch (S) T1 interrupt service subroutine is mainly used to be used as timer.The timing of T1 is several ms, when after the timing arriving setting.11 pin of AT89C2051 single-chip microcomputer (I) export high level and cut off the electricity supply, and timeing closing switch (S) T0 and T1 simultaneously, program gets back to original state.Only have and again arrange timing by time switch (S), electric blanket (A) could be energized work again.
Claims (1)
1. an electric blanket single chip machine controlling circuit, be made up of 220 volts of power inputs, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the first diode, the second diode, voltage stabilizing diode, crystal oscillator, time switch, AT89C2051 single-chip microcomputer, triode, bidirectional triode thyristor and electric blanket heating wire, it is characterized in that: after the first electrode of electric blanket heating wire (A), bidirectional triode thyristor (G) and the series connection of the second electrode, connect 220 volts of power inputs (V), the first electric capacity (C
1), the first resistance (R
1) parallel connection again with the second diode (D
2) connect 220 volts of power inputs (V), the first diode (D after series connection
1), the second electric capacity (C
2) connect rear and the second diode (D
2) in parallel, voltage stabilizing diode (D
3) and the second electric capacity (C
2) in parallel, the first electric capacity (C
1), the first resistance (R
1) one end after parallel connection is by the first diode (D
1) be connected with 20 pin of AT89C2051 single-chip microcomputer (I), the emitter of triode (VT) respectively, 1 pin of AT89C2051 single-chip microcomputer (I) and the indirect 3rd electric capacity (C of 20 pin
3), 1 pin of AT89C2051 single-chip microcomputer (I) is by the second resistance (R
2), the 4th electric capacity (C
4) be connected with 4 pin of AT89C2051 single-chip microcomputer (I), 1 pin of AT89C2051 single-chip microcomputer (I) is by the second resistance (R
2), the 5th electric capacity (C
5) be connected with 5 pin of AT89C2051 single-chip microcomputer (I), 1 pin of AT89C2051 single-chip microcomputer (I) is by the second resistance (R
2) be connected with 10 pin of AT89C2051 single-chip microcomputer (I), the indirect crystal oscillator (B) of 4 pin of AT89C2051 single-chip microcomputer (I) and 5 pin of AT89C2051 single-chip microcomputer (I), 6 pin of AT89C2051 single-chip microcomputer (I) by time switch (S) respectively with voltage stabilizing diode (D
3) one end, AT89C2051 single-chip microcomputer (I) 10 pin be connected, 11 pin of AT89C2051 single-chip microcomputer (I) are by the 4th resistance (R
4) be connected with the base stage of triode (VT), the collector of triode (VT) is by the 5th resistance (R
5) be extremely connected with the control of bidirectional triode thyristor (G).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420689181.9U CN204270062U (en) | 2014-11-18 | 2014-11-18 | A kind of electric blanket single chip machine controlling circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420689181.9U CN204270062U (en) | 2014-11-18 | 2014-11-18 | A kind of electric blanket single chip machine controlling circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204270062U true CN204270062U (en) | 2015-04-15 |
Family
ID=52804919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420689181.9U Expired - Fee Related CN204270062U (en) | 2014-11-18 | 2014-11-18 | A kind of electric blanket single chip machine controlling circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204270062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109862627A (en) * | 2017-11-30 | 2019-06-07 | 菏泽海诺知识产权服务有限公司 | Electric blanket circuit |
-
2014
- 2014-11-18 CN CN201420689181.9U patent/CN204270062U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109862627A (en) * | 2017-11-30 | 2019-06-07 | 菏泽海诺知识产权服务有限公司 | Electric blanket circuit |
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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: 20150415 Termination date: 20151118 |
|
| EXPY | Termination of patent right or utility model |