CN204862725U - Water dispenser automatic control switch - Google Patents
Water dispenser automatic control switch Download PDFInfo
- Publication number
- CN204862725U CN204862725U CN201520423739.3U CN201520423739U CN204862725U CN 204862725 U CN204862725 U CN 204862725U CN 201520423739 U CN201520423739 U CN 201520423739U CN 204862725 U CN204862725 U CN 204862725U
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- Prior art keywords
- resistance
- temperature
- heating
- electric capacity
- control chip
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Abstract
The utility model discloses a water dispenser automatic control switch, including alternating current power supply, first resistance to the 5th resistance, first electric capacity, second electric capacity, potentiometre, temperature detection control chip, triode, stabilivolt, bidirectional thyristor and heating pipe, the potentiometre is used for set temperature action point, output was the high level when temperature was higher than this action point, and the triode ends, and the bidirectional thyristor also ends, and the heating pipe load is out of work, otherwise the temperature is less than when setting for action point, and heating pipe work begins the heating. , heating temperature stops the heating when reaching the predetermined value again, so circulation forms the automatic temperature control process. Compared with the prior art, the utility model discloses a temperature of high accuracy detects control chip, and measure the temperature and the heating of controlled heating pipe that can be accurate need reduce the temperature of water to the settlement degree after continue to heat again, can effectively avoid the circumstances of the frequent heating of water dispenser, and the controlled temperature is accurate in addition, and the sensitivity height has the value of popularization and application.
Description
Technical field
The utility model relates to a kind of household electrical appliance control circuit, particularly relates to a kind of water dispenser automatic control switch.
Background technology
Water dispenser to be heated up by bottled water or the equipment that people drink is convenient in cooling, but in prior art, water dispenser is usually in running order for a long time, usual A.T.C is all adopt the heating automatically controlling drinking water of temperature switch and the situation stopping heating, temperature switch cannot set temperature point, causes drinking water frequently to heat, and can to health impact after being drunk by human body, therefore, there is room for improvement.
Utility model content
The purpose of this utility model is just to provide a kind of water dispenser automatic control switch to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises AC power, first resistance is to the 5th resistance, first electric capacity, second electric capacity, potentiometer, temperature detection control chip, triode, voltage-stabiliser tube, bidirectional triode thyristor and heating tube, one end of described AC power is connected with the first end of described first electric capacity and the first end of described heating tube simultaneously, with the first end of described first resistance while of the second end of described AC power, the first end of described second electric capacity, the first end of described second resistance, the first end of described 4th resistance, the positive pole of described voltage-stabiliser tube is connected with the first end of described bidirectional triode thyristor, and the second end of described first electric capacity is connected with the positive pole of described diode and the second end of described first resistance simultaneously, with the second end of described second electric capacity while of the negative pole of described diode, the first end of described potentiometer, 4th pin of described temperature detection control chip, the first end of described 3rd resistance, the emitter stage of described triode is connected with the negative pole of described voltage-stabiliser tube, second end of described potentiometer is connected with the second end of described second resistance and the first pin of described temperature detection control chip simultaneously, 3rd pin of described temperature detection control chip is connected with the sliding end of described potentiometer, second pin of described temperature detection control chip is connected with described second end of the 3rd resistance and the base stage of described triode simultaneously, the colelctor electrode of described triode is connected with the second end of described 4th resistance and the first end of described 5th resistance simultaneously, second end of described 5th resistance is connected with the control end of described bidirectional triode thyristor, and the second end of described bidirectional triode thyristor is connected with the second end of described heating tube.
The beneficial effects of the utility model are:
The utility model is a kind of water dispenser automatic control switch, compared with prior art, the utility model adopts high-precision temperature detection control chip, can measuring tempeature and control heating tube heat accurately, continue heating after needing that the temperature of water is reduced to setting degree again, the situation that can effectively avoid water dispenser frequently to heat, and control temperature is accurate, highly sensitive, there is the value applied.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: the utility model comprises AC power AC, first resistance R1 is to the 5th resistance R5, first electric capacity C1, second electric capacity C2, potentiometer RP, temperature detection control chip IC, triode VT, voltage-stabiliser tube DW, one end of bidirectional triode thyristor SCR and heating tube RT, AC power AC is connected with the first end of the first electric capacity C1 and the first end of heating tube RT simultaneously, with the first end of the first resistance R1 while of second end of AC power AC, the first end of the second electric capacity C2, the first end of the second resistance R2, the first end of the 4th resistance R4, the positive pole of voltage-stabiliser tube DW is connected with the first end of bidirectional triode thyristor SCR, and second end of the first electric capacity C1 is connected with the positive pole of diode VD and second end of the first resistance R1 simultaneously, with second end of the second electric capacity C2 while of the negative pole of diode VD, the first end of potentiometer RP, 4th pin of temperature detection control chip IC, the first end of the 3rd resistance R3, the emitter stage of triode VT is connected with the negative pole of voltage-stabiliser tube DW, second end of potentiometer RP is connected with second end of the second resistance R2 and first pin of temperature detection control chip IC simultaneously, 3rd pin of temperature detection control chip IC is connected with the sliding end of potentiometer RP, second pin of temperature detection control chip IC is connected with second end of the 3rd resistance R3 and the base stage of triode VT simultaneously, the colelctor electrode of triode VT is connected with second end of the 4th resistance R4 and the first end of the 5th resistance R5 simultaneously, second end of the 5th resistance R5 is connected with the control end of bidirectional triode thyristor SCR, and second end of bidirectional triode thyristor SCR is connected with second end of heating tube RT.
Component parameter of the present utility model is selected as follows:
First resistance R1 is 100 Ω, the second resistance R2 is 400 Ω, the 3rd resistance R3 is 500 Ω, the 4th resistance R4 is 2k Ω, the 5th resistance R5 is 27k Ω, the first electric capacity C1 is 300uf, the second electric capacity C2 is 470uf, the model of bidirectional triode thyristor SCR is MCR100-6/0.8A/400V, the model of diode VD is 70HF80, voltage-stabiliser tube DW model is 2CW1, the model of temperature detection control chip IC is LM3911.
Temperature detection control chip IC is that high-precision temperature detects and exports control integration circuit, and export the voltage be directly proportional to temperature with l0mV, there is larger driving force control output end, can drive the load of relay or maximum 35V.First electric capacity C1, diode VD, the second electric capacity C2 etc. form step-down, rectification and filter circuit, provide dc source to temperature detection control chip IC.Potentiometer RP is used for set temperature operating point; Temperature is higher than exporting during this operating point as high level, and triode V ends, and bidirectional triode thyristor SCR also ends, and heating tube RT load does not work; Otherwise when temperature is lower than set action point, heating tube RT works, start heating.Stop again heating when heating-up temperature reaches predetermined value, so circulate, form automatic temperature-adjusting control procedure.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (1)
1. a water dispenser automatic control switch, it is characterized in that: comprise AC power, first resistance is to the 5th resistance, first electric capacity, second electric capacity, potentiometer, temperature detection control chip, triode, voltage-stabiliser tube, bidirectional triode thyristor and heating tube, one end of described AC power is connected with the first end of described first electric capacity and the first end of described heating tube simultaneously, second end of described AC power simultaneously with the first end of described first resistance, the first end of described second electric capacity, the first end of described second resistance, the first end of described 4th resistance, the positive pole of described voltage-stabiliser tube is connected with the first end of described bidirectional triode thyristor, second end of described first electric capacity is connected with the positive pole of diode and the second end of described first resistance simultaneously, the negative pole of diode simultaneously with the second end of described second electric capacity, the first end of described potentiometer, 4th pin of described temperature detection control chip, the first end of described 3rd resistance, the emitter stage of described triode is connected with the negative pole of described voltage-stabiliser tube, second end of described potentiometer is connected with the second end of described second resistance and the first pin of described temperature detection control chip simultaneously, 3rd pin of described temperature detection control chip is connected with the sliding end of described potentiometer, second pin of described temperature detection control chip is connected with described second end of the 3rd resistance and the base stage of described triode simultaneously, the colelctor electrode of described triode is connected with the second end of described 4th resistance and the first end of described 5th resistance simultaneously, second end of described 5th resistance is connected with the control end of described bidirectional triode thyristor, second end of described bidirectional triode thyristor is connected with the second end of described heating tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520423739.3U CN204862725U (en) | 2015-06-18 | 2015-06-18 | Water dispenser automatic control switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520423739.3U CN204862725U (en) | 2015-06-18 | 2015-06-18 | Water dispenser automatic control switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204862725U true CN204862725U (en) | 2015-12-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520423739.3U Expired - Fee Related CN204862725U (en) | 2015-06-18 | 2015-06-18 | Water dispenser automatic control switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204862725U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106038107A (en) * | 2016-07-05 | 2016-10-26 | 曹燕红 | Intelligent wheelchair having stair climbing function |
| CN106761961A (en) * | 2016-12-14 | 2017-05-31 | 陆丽曼 | A kind of biomass energy steam electric power generator |
-
2015
- 2015-06-18 CN CN201520423739.3U patent/CN204862725U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106038107A (en) * | 2016-07-05 | 2016-10-26 | 曹燕红 | Intelligent wheelchair having stair climbing function |
| CN106038107B (en) * | 2016-07-05 | 2019-04-05 | 肇庆中能创智信息科技有限公司 | A kind of intelligent wheel chair with ladder function |
| CN106761961A (en) * | 2016-12-14 | 2017-05-31 | 陆丽曼 | A kind of biomass energy steam electric power generator |
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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: 20151216 Termination date: 20160618 |