CN204536942U - A kind of simple and practical water heater control circuit - Google Patents
A kind of simple and practical water heater control circuit Download PDFInfo
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- CN204536942U CN204536942U CN201520150812.4U CN201520150812U CN204536942U CN 204536942 U CN204536942 U CN 204536942U CN 201520150812 U CN201520150812 U CN 201520150812U CN 204536942 U CN204536942 U CN 204536942U
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Abstract
The utility model discloses a kind of simple and practical water heater control circuit, comprise power circuit, timing circuit and control circuit, described power circuit comprises transformer W, rectifier bridge T, electric capacity C1 and chip IC 1, described timing circuit comprises chip IC 3 and chip IC 4, and described control circuit comprises triode VT1, diode D1 and relay K.The utility model water heater control circuit structure is simple, components and parts are few, cost of manufacture is low, realize water heater by the cooperation of timing circuit and control circuit and automatically open two hours at setting-up time every day, not only save electric energy, and guarantee that user returns from work and just has hot water to use, easy to operate, control precisely, to be applicable to very much promoting the use of.
Description
Technical field
The utility model relates to a kind of control circuit, specifically a kind of simple and practical water heater control circuit.
Background technology
Electric heater is a kind of common household electrical appliance, it can convert heat energy to electric energy and water is burnt heat, needed for living for people, simultaneously also can be temperature automatically controlled, but traditional water heater all needs artificial unlatching and shutoff, the time of opening and turning off can not be pre-set, and heat up water and need the regular hour, many times people forget and open water heater in time, cannot obtain in time when causing needing hot water, the water heater with function of temperature control that market occurs can heat repeatedly, keep water temperature, but this mode power consumption is large, be unfavorable for energy-conserving and environment-protective, such as daytime also heats after owner's working always, therefore also there is inconvenience.
Utility model content
The purpose of this utility model is to provide a kind of saves energy, simple and practical water heater control circuit easy to use, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of simple and practical water heater control circuit, comprise power circuit, timing circuit and control circuit, described power circuit comprises transformer W, rectifier bridge T, electric capacity C1 and chip IC 1, described timing circuit comprises chip IC 3 and chip IC 4, and described control circuit comprises triode VT1, diode D1 and relay K;
One end of the winding L 1 of described transformer W connects electric capacity C1, the other end connecting valve S1 of electric capacity C1, the other end of switch S 1 connects 220V line voltage and fuse FU, the other end of fuse FU connects heating tube A, the other end of heating tube A connects the contact K-1 of relay K, the other end of the contact K-1 of relay K connects the other end of the other end of 220V line voltage and the winding L 1 of transformer W, the two ends of the winding L 2 of transformer W connect 1 port and 3 ports of rectifier bridge T respectively, and 2 ports of rectifier bridge T connect electric capacity C2, the anode of diode D3 and 1 pin of chip IC 1,4 ports of rectifier bridge T connect the other end of electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C8, electric capacity C9, resistance R6, the anode of diode D1, the anode of diode D2, the emitter of triode VT2, the emitter of triode VT3, relay K, the negative pole of battery E1, 3 pins of chip IC 1, 1 pin of chip IC 3 and 2 pins of chip IC 4,2 pins of chip IC 1 connect the other end of electric capacity C3, resistance R1, resistance R2, resistance R4, the collector of triode VT1, 4 pins of chip IC 3 and 8 pins of chip IC 3, the emitter of triode VT1 connects the negative electrode of diode D1 and the other end of relay K, the base stage of triode VT1 connects 2 pins of chip IC 2, the other end of 1 pin contact resistance R1 of chip IC 2 and the collector of triode VT2, the base stage contact resistance R3 of triode VT2, the other end of resistance R3 connects 3 pins of chip IC 3, and the other end of resistance R2 connects the other end of electric capacity C4, 6 pins of chip IC 3 and 7 pins of chip IC 3,5 pins of chip IC 3 connect the other end of electric capacity C5, the other end of 2 pin contact resistance R4 of chip IC 3 and the collector of triode VT3, the base stage contact resistance R5 of triode VT3, the other end of resistance R6, the other end of electric capacity C9 and the negative electrode of diode D2, the other end of resistance R5 connects the other end of electric capacity C7, and the other end of electric capacity C7 connects 3 pins of chip IC 4,1 pin contact resistance R7 of chip IC 4, the other end of electric capacity C8 and the positive pole of battery E1, the other end of resistance R7 connects the negative electrode of diode D3.
As preferred version of the present utility model: described chip IC 1 is 7805 three terminal regulators, and chip IC 2 is 74LS04 phase inverter, and chip IC 3 is NE555 timer, chip IC 4 is DS1302 type clock chip.
As preferred version of the present utility model: the winding L 1 of described transformer W and the turn ratio of winding N2 are 220:12.
As preferred version of the present utility model: described diode D3 is light emitting diode.
As preferred version of the present utility model: described relay K is for often to drive electric shock relay.
Compared with prior art, the beneficial effects of the utility model are: the utility model water heater control circuit structure is simple, components and parts are few, cost of manufacture is low, realize water heater by the cooperation of timing circuit and control circuit and automatically open two hours at setting-up time every day, not only save electric energy, and guaranteed that user returns from work and just has hot water to use, easy to operate, control precisely, to be applicable to very much promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of simple and practical water heater control circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of simple and practical water heater control circuit, comprise power circuit, timing circuit and control circuit, described power circuit comprises transformer W, rectifier bridge T, electric capacity C1 and chip IC 1, described timing circuit comprises chip IC 3 and chip IC 4, and described control circuit comprises triode VT1, diode D1 and relay K.
One end of the winding L 1 of described transformer W connects electric capacity C1, the other end connecting valve S1 of electric capacity C1, the other end of switch S 1 connects 220V line voltage and fuse FU, the other end of fuse FU connects heating tube A, the other end of heating tube A connects the contact K-1 of relay K, the other end of the contact K-1 of relay K connects the other end of the other end of 220V line voltage and the winding L 1 of transformer W, the two ends of the winding L 2 of transformer W connect 1 port and 3 ports of rectifier bridge T respectively, and 2 ports of rectifier bridge T connect electric capacity C2, the anode of diode D3 and 1 pin of chip IC 1,4 ports of rectifier bridge T connect the other end of electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C8, electric capacity C9, resistance R6, the anode of diode D1, the anode of diode D2, the emitter of triode VT2, the emitter of triode VT3, relay K, the negative pole of battery E1, 3 pins of chip IC 1, 1 pin of chip IC 3 and 2 pins of chip IC 4,2 pins of chip IC 1 connect the other end of electric capacity C3, resistance R1, resistance R2, resistance R4, the collector of triode VT1, 4 pins of chip IC 3 and 8 pins of chip IC 3, the emitter of triode VT1 connects the negative electrode of diode D1 and the other end of relay K, the base stage of triode VT1 connects 2 pins of chip IC 2, the other end of 1 pin contact resistance R1 of chip IC 2 and the collector of triode VT2, the base stage contact resistance R3 of triode VT2, the other end of resistance R3 connects 3 pins of chip IC 3, and the other end of resistance R2 connects the other end of electric capacity C4, 6 pins of chip IC 3 and 7 pins of chip IC 3,5 pins of chip IC 3 connect the other end of electric capacity C5, the other end of 2 pin contact resistance R4 of chip IC 3 and the collector of triode VT3, the base stage contact resistance R5 of triode VT3, the other end of resistance R6, the other end of electric capacity C9 and the negative electrode of diode D2, the other end of resistance R5 connects the other end of electric capacity C7, and the other end of electric capacity C7 connects 3 pins of chip IC 4,1 pin contact resistance R7 of chip IC 4, the other end of electric capacity C8 and the positive pole of battery E1, the other end of resistance R7 connects the negative electrode of diode D3.
Chip IC 1 is 7805 three terminal regulators, and chip IC 2 is 74LS04 phase inverter, and chip IC 3 is NE555 timer, and chip IC 4 is DS1302 type clock chip.
The winding L 1 of transformer W and the turn ratio of winding N2 are 220:12.
Diode D3 is light emitting diode.
Relay K is for often to drive electric shock relay.
Principle of work of the present utility model is: circuit is accessed 220V line voltage, 220V alternating current becomes 12V voltage after transformer, by the rectification of rectifier bridge T, the filtering of electric capacity C1, become stable 12V direct current after the voltage stabilizing of chip IC 1 to power to timing circuit and control circuit, clock chip is arranged on two hours before leaving offices, clock chip exports electric signal when the time comes, direct-flow positive voltage is rectified into through diode D2, be added to the base stage of triode VT3, make its conducting, so its collector voltage declines, 12V direct current resistance is charged to electric capacity C4 by R2, also by resistance R4, electric capacity C6 is charged simultaneously, the time constant of resistance R2 and electric capacity C4 is very large, so electric capacity C6 is first charged.Because the voltage of 2 pins of 555 timers is higher than 6 pins and 7 pins, its the 2nd pin just can export high level, triode VT2 is caused to end, output low level, high level signal is become by inverter ic 2, triode VT1 ends, relay K is energized, the normally opened contact K-1 adhesive of relay K, heating pipe of water heater A starts working, along with the voltage on electric capacity C4 because charging can slowly be gone up, after about 2 hours, 6 pins of 555 timers and 7 pin voltage are just higher than 2 pins, and 555 overturn immediately.Cause triode VT1 conducting, the electric shock K-1 that often opens of relay K disconnects, heating pipe of water heater A quits work, and circuit structure is simple, components and parts are few, and cost of manufacture is low, realize water heater by the cooperation of timing circuit and control circuit and automatically open two hours at setting-up time every day, not only save electric energy, and guaranteed that user returns from work and just has hot water to use, easy to operate, control precisely, to be applicable to very much promoting the use of.
Claims (5)
1. a simple and practical water heater control circuit, comprises power circuit, timing circuit and control circuit, it is characterized in that, described power circuit comprises transformer W, rectifier bridge T, electric capacity C1 and chip IC 1, and described timing circuit comprises chip IC 3 and chip IC 4, and described control circuit comprises triode VT1, diode D1 and relay K, one end of the winding L 1 of described transformer W connects electric capacity C1, the other end connecting valve S1 of electric capacity C1, the other end of switch S 1 connects 220V line voltage and fuse FU, the other end of fuse FU connects heating tube A, the other end of heating tube A connects the contact K-1 of relay K, the other end of the contact K-1 of relay K connects the other end of the other end of 220V line voltage and the winding L 1 of transformer W, the two ends of the winding L 2 of transformer W connect 1 port and 3 ports of rectifier bridge T respectively, and 2 ports of rectifier bridge T connect electric capacity C2, the anode of diode D3 and 1 pin of chip IC 1,4 ports of rectifier bridge T connect the other end of electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C8, electric capacity C9, resistance R6, the anode of diode D1, the anode of diode D2, the emitter of triode VT2, the emitter of triode VT3, relay K, the negative pole of battery E1, 3 pins of chip IC 1, 1 pin of chip IC 3 and 2 pins of chip IC 4,2 pins of chip IC 1 connect the other end of electric capacity C3, resistance R1, resistance R2, resistance R4, the collector of triode VT1, 4 pins of chip IC 3 and 8 pins of chip IC 3, the emitter of triode VT1 connects the negative electrode of diode D1 and the other end of relay K, the base stage of triode VT1 connects 2 pins of chip IC 2, the other end of 1 pin contact resistance R1 of chip IC 2 and the collector of triode VT2, the base stage contact resistance R3 of triode VT2, the other end of resistance R3 connects 3 pins of chip IC 3, and the other end of resistance R2 connects the other end of electric capacity C4, 6 pins of chip IC 3 and 7 pins of chip IC 3,5 pins of chip IC 3 connect the other end of electric capacity C5, the other end of 2 pin contact resistance R4 of chip IC 3 and the collector of triode VT3, the base stage contact resistance R5 of triode VT3, the other end of resistance R6, the other end of electric capacity C9 and the negative electrode of diode D2, the other end of resistance R5 connects the other end of electric capacity C7, and the other end of electric capacity C7 connects 3 pins of chip IC 4,1 pin contact resistance R7 of chip IC 4, the other end of electric capacity C8 and the positive pole of battery E1, the other end of resistance R7 connects the negative electrode of diode D3.
2. a kind of simple and practical water heater control circuit according to claim 1, is characterized in that, described chip IC 1 is 7805 three terminal regulators, and chip IC 2 is 74LS04 phase inverter, and chip IC 3 is NE555 timer, and chip IC 4 is DS1302 type clock chip.
3. a kind of simple and practical water heater control circuit according to claim 1, is characterized in that, the winding L 1 of described transformer W and the turn ratio of winding N2 are 220:12.
4. a kind of simple and practical water heater control circuit according to claim 1, is characterized in that, described diode D3 is light emitting diode.
5. according to power. profit requires a kind of simple and practical water heater control circuit described in 1, and it is characterized in that, described relay K is for often to drive electric shock relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520150812.4U CN204536942U (en) | 2015-03-17 | 2015-03-17 | A kind of simple and practical water heater control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520150812.4U CN204536942U (en) | 2015-03-17 | 2015-03-17 | A kind of simple and practical water heater control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN204536942U true CN204536942U (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520150812.4U Expired - Fee Related CN204536942U (en) | 2015-03-17 | 2015-03-17 | A kind of simple and practical water heater control circuit |
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| Country | Link |
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| CN (1) | CN204536942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867827A (en) * | 2019-11-11 | 2020-03-06 | 神华粤电珠海港煤炭码头有限责任公司 | Time-delay tripping low-voltage frame switch |
-
2015
- 2015-03-17 CN CN201520150812.4U patent/CN204536942U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867827A (en) * | 2019-11-11 | 2020-03-06 | 神华粤电珠海港煤炭码头有限责任公司 | Time-delay tripping low-voltage frame 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20160317 |