CN201131649Y - A temperature controlled instant heating type drinking machine control device - Google Patents
A temperature controlled instant heating type drinking machine control device Download PDFInfo
- Publication number
- CN201131649Y CN201131649Y CNU2007201916129U CN200720191612U CN201131649Y CN 201131649 Y CN201131649 Y CN 201131649Y CN U2007201916129 U CNU2007201916129 U CN U2007201916129U CN 200720191612 U CN200720191612 U CN 200720191612U CN 201131649 Y CN201131649 Y CN 201131649Y
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- China
- Prior art keywords
- circuit
- relay
- temperature
- control device
- heating type
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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
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 12
- 230000035622 drinking Effects 0.000 title claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000004973 liquid crystal related substance Substances 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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Abstract
The utility model relates to an instant heating type water dispenser control device with controllable temperature, which comprises a temperature control circuit and a null earth wire potential difference detection circuit. The input terminal of a single-chip microcomputer is connected with a light touch switch, the temperature control circuit and the null earth wire potential difference detection circuit, and the output terminal of the single-chip microcomputer is connected with a liquid crystal display, a light emitting tube and a relay control circuit; the relay control circuit is composed of a switch tube and a relay, and a relay contact is connected with a power fire wire and an earth wire. The hot water is supplied when the water temperature achieves the set temperature. The power supply is cut off by pressing the power off key, or the power supply is cut off automatically in the specified time when the earth wire is electrified. The null earth wire potential difference detection circuit is composed of a transformer, a rectification circuit and a switch tube, the primary coil of the transformer is bridged between the power null and earth wires, and the switch tube is connected with the I/O input terminal of the single-chip microcomputer. The instant heating type water dispenser control device has the advantages that the instant water supply at the set temperature is provided to be favorable for the energy conservation and the water quality enhancement, and simultaneously the instant heating type water dispenser control device is provided with the electrified earth wire protection function.
Description
Technical field
The utility model relates to a kind of monolithic processor control device of instant heating type drinking machine, particularly a kind of monolithic processor control device with instant heating type drinking machine of Controllable Temperature and earth wire charged protecting function.
Background technology
The utility model is before the applying date, and water dispenser adopts electrothermal tube to heat repeatedly, is unfavorable for energy-conservation and the water quality maintenance, lacks Controllable Temperature and earth wire charged protecting function simultaneously.
Summary of the invention
The purpose of this utility model provides a kind of instant heating type drinking machine control device with Controllable Temperature and earth wire charged protecting function.
The technical scheme that its technical problem that solves the utility model adopts is: the utility model comprises temperature control circuit and zero line-ground wire potential difference testing circuit.The single-chip microcomputer input is connected with touch-switch, temperature control circuit and zero line-ground wire potential difference testing circuit, temperature setting key and power switch key are touch-switch, one end of touch-switch is connected with the single-chip microcomputer input respectively, and is connected with positive source by resistance, its common end grounding.Temperature control circuit is made up of temperature sensor and resistance, and Chip Microcomputer A/D translation interface input is connected with the dividing potential drop tie point of temperature control circuit temperature sensor and resistance.The zero line-ground wire potential difference testing circuit is made up of transformer, rectification circuit and switching tube, transformer collapses and is connected between the power supply Zero-liue, the transformer secondary output coil is connected with rectification circuit, and rectification circuit is connected with switching tube, and switching tube is connected with the single-chip processor i/o input.The single-chip microcomputer output is connected with LCDs, luminous tube and control relay circuit respectively.Control relay circuit is made up of switching tube and relay, and relay normally open contact is connected with the power firestreak in-out end, and the relay normally-closed contact is connected with the ground wire in-out end.Instant heating supplies water when spending when water temperature reaches design temperature.Power-off is closed when closing button or stipulated time (present embodiment is 30 seconds) and ground wire electrification by power supply automatically.
The beneficial effects of the utility model are that the design temperature instant heating supplies water, and help energy-conservation and increase water quality, and have the earth wire charged protecting function simultaneously.
Description of drawings
The utility model is described in further detail below by accompanying drawing.
Accompanying drawing 1 is an electrical schematic diagram of the present utility model.
The specific embodiment
Consult Fig. 1.Single-chip microcomputer PIC16C72 has A/D analog-to-digital conversion interface among the figure.
The utility model comprises temperature control circuit and zero line-ground wire potential difference testing circuit.Temperature control circuit is made up of temperature sensor LM135 and resistance, and temperature sensor LM135 is the voltage-type integrated circuit temperature sensor.Single-chip microcomputer input I/O (1), I/O (2), I/O (3), I/O (4) are connected with the end of touch-switch K1, K2, K3, K4 respectively, and are connected its common end grounding with positive source by resistance.Touch-switch K1, K2, K3, K4 are respectively that power supply is opened, power supply closes, temperature is provided with increases key, temperature is provided with the minimizing key; Chip Microcomputer A/D translation interface input A1/AN1 is connected with the dividing potential drop tie point of temperature control circuit temperature sensor LM135 and resistance, and an end of resistance is connected with power supply (+).Single-chip microcomputer output I/O (5), I/O (6), I/O (7), I/O (8), I/O (9), I/O (10), I/O (11), I/O (12) are connected with LCDs LCD respectively, and single-chip microcomputer output I/O (13), I/O (14), I/O (15) are connected with relay J 1, J2 control circuit with luminous tube D respectively.Relay J 1, J2 control circuit are made up of switching tube G1, G2 and relay J 1, J2, and relay J 1, J2 normally opened contact are connected with the power firestreak in-out end, and relay J 1, J2 normally-closed contact are connected with the ground wire in-out end.Luminous tube D work and instant heating supply water when water temperature reaches design temperature.Power-off is closed when closing button K2 or stipulated time (present embodiment is 30 seconds) and ground wire electrification by power supply automatically.Temperature sensor LM135 places in the water tank.
The zero line-ground wire potential difference testing circuit is made up of transformer T, rectification circuit D1-D4 and switching tube G3, transformer collapses and is connected between power supply Zero-liue NE, the transformer secondary output coil is connected with rectification circuit D1-D4, rectification circuit is connected with switching tube G3, and switching tube G3 is connected with single-chip processor i/o input I/O (16).
Claims (1)
1, a kind of instant heating type drinking machine control device of Controllable Temperature comprises temperature control circuit and zero line-ground wire potential difference testing circuit; It is characterized in that the single-chip microcomputer input is connected with touch-switch, temperature control circuit and zero line-ground wire potential difference testing circuit, the single-chip microcomputer output is connected with LCDs, luminous tube and control relay circuit; Control relay circuit is made up of switching tube and relay, relay contact is connected with the in-out end of power firestreak and ground wire, the zero line-ground wire potential difference testing circuit is made up of transformer, rectification circuit and switching tube, transformer collapses and is connected between the power supply Zero-liue, and switching tube is connected with the single-chip processor i/o input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201916129U CN201131649Y (en) | 2007-11-12 | 2007-11-12 | A temperature controlled instant heating type drinking machine control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201916129U CN201131649Y (en) | 2007-11-12 | 2007-11-12 | A temperature controlled instant heating type drinking machine control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201131649Y true CN201131649Y (en) | 2008-10-15 |
Family
ID=40059925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201916129U Expired - Fee Related CN201131649Y (en) | 2007-11-12 | 2007-11-12 | A temperature controlled instant heating type drinking machine control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201131649Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681570A (en) * | 2011-03-18 | 2012-09-19 | 鸿富锦精密工业（深圳）有限公司 | Water dispenser control circuit and control method |
-
2007
- 2007-11-12 CN CNU2007201916129U patent/CN201131649Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681570A (en) * | 2011-03-18 | 2012-09-19 | 鸿富锦精密工业（深圳）有限公司 | Water dispenser control circuit and control method |
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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: 20081015 Termination date: 20091214 |