CN100416960C - Omnidirectional human safety protector for heat storage electric water heater - Google Patents
Omnidirectional human safety protector for heat storage electric water heater Download PDFInfo
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- CN100416960C CN100416960C CNB2004100295682A CN200410029568A CN100416960C CN 100416960 C CN100416960 C CN 100416960C CN B2004100295682 A CNB2004100295682 A CN B2004100295682A CN 200410029568 A CN200410029568 A CN 200410029568A CN 100416960 C CN100416960 C CN 100416960C
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- zero line
- ground wire
- water heater
- electric water
- wire
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Abstract
The present invention discloses an omnibearing personal safety protection device for a thermal storage electric water heater, which belongs to the technical field of single chip computer application. The present invention is characterized in that the I/O input end of a single chip computer is respectively connected with an infrared transmitting and receiving device, a ground wire and zero line potential difference detection device, a fire wire and zero line current difference detection device and a water out switch signal; the I/O output end of the single chip computer is connected with a triode switching circuit and a relay executive circuit; the triode switching circuit can be controlled to cut off a fire wire and a zero line of an electric heating pipe when a thermal storage electric water heater is used by receiving human body induction signals, ground wire and zero line potential difference detection signals, fire wire and zero line current difference signals and water injection switch signals. When the electric heating pipe is basically insulated and a ground wire is simultaneously failed or the ground wire is electrified, the fire wire and the ground wire of the electric heating pipe can be cut off. When the electric heating pipe leaks electricity, the fire wire and the zero line of the electric heating pipe can be cut off. The present invention can be used for realizing the omnibearing personal safety protection of the thermal storage electric water heater.
Description
Technical field
The invention relates to a kind of safety guard, the comprehensive personal safety protector of particularly a kind of accumulating type electric water heater.
Background technology
Before the invention applying date, prior art accumulating type electric water heater control device lack to human body near the time or cut off the electric heating tube power supply when using water outlet.At the electric heating tube basic insulation with ground wire lost efficacy simultaneously or cut off ground wire and live wire during ground wire electrification, when electric heating tube leak electricity, cut off the control of live wire and zero line, make the user particularly the personal safety under the environment of imperfect earth can not get protecting.
Summary of the invention
The purpose of the invention provides the comprehensive personal safety protector of a kind of accumulating type electric water heater.
The invention solves the technical scheme that its technical problem adopts: comprise infrared and receiving circuit, ground wire and zero line potential difference detecting device, live wire and neutral line current device for detecting difference and discharge pressure switching circuit, infrared and receiving circuit, ground wire and zero line potential difference detecting device, live wire is connected with the single-chip processor i/o input respectively with neutral line current device for detecting difference and discharge pressure switching circuit, transistor switching circuit is connected with the single-chip processor i/o output, transistor switching circuit is connected with relay, and relay executive circuit control is connected on it and often opens or the live wire of normally-closed contact, the break-make of ground wire or zero line.
Infrared and receiving circuit are connected to form step by step by infrared emission, reception, modulation, demodulator circuit, inverter, phase-locked loop, are connected with the single-chip processor i/o input.
Ground wire and zero line potential difference detecting device are connected to form step by step by the transformer, rectifying tube, voltage-stabiliser tube, electric capacity of voltage regulation and the switching tube that are connected across between ground wire and zero line, the switching tube output is connected with the single-chip processor i/o input, and described ground wire and zero line potential difference detecting device provide electric heating tube basic insulation and ground wire to lose efficacy simultaneously or the ground wire electrification signal to singlechip chip.
Live wire and neutral line current device for detecting difference are connected to form by double operational integrated circuit and magnetic ring coil, live wire and zero line pass magnetic ring coil, the double operational integrated circuit is connected with the single-chip processor i/o input, and described live wire and neutral line current device for detecting difference provide the electric heating tube electric leakage signal to singlechip chip.
The discharge pressure switching circuit is connected with the single-chip processor i/o input, and its effluent switch signal is taken from the discharge pressure transducer that is installed in the accumulating type electric water heater control device.
Normally closed or the normally opened contact of the relay that is connected with transistor switching circuit is connected with the in-out end of zero line with live wire, ground wire respectively.
The beneficial effect of the invention be human body near the time or cut off the electric heating tube power supply when using water outlet.At the electric heating tube basic insulation with ground wire lost efficacy simultaneously or cut off ground wire and live wire during ground wire electrification, the control of cut-out live wire and zero line when electric heating tube leak electricity, make the user particularly the personal safety under the environment of imperfect earth be protected.Highly versatile can be supporting with all kinds of accumulating type electric water heaters, when realizing that comprehensive personal safety is protected, do not influence accumulating type electric water heater and normally use.
Description of drawings
Below by accompanying drawing the invention is described further.
Accompanying drawing 1 is the electrical schematic diagram of the invention.
Embodiment
Consult Fig. 1.The embodiment single-chip microcomputer is selected the PIC16C54 single-chip microcomputer for use.
This device comprises infrared and receiving circuit, ground wire and zero line potential difference detecting device, live wire and neutral line current device for detecting difference and discharge pressure switching circuit, infrared and receiving circuit, ground wire and zero line potential difference detecting device, live wire is connected with the single-chip processor i/o input respectively with neutral line current device for detecting difference and discharge pressure switching circuit, transistor switching circuit is connected with the single-chip processor i/o output, transistor switching circuit is connected with relay, and relay executive circuit control is connected on it and often opens or the live wire of normally-closed contact, the break-make of ground wire or zero line.
Infrared and receiving circuit are connected to form step by step by infrared emission, reception, modulation, demodulator circuit, inverter, phase-locked loop, are connected with the single-chip processor i/o input.VD
1, VD
2Be infrared emission and receiving tube, IC
3Be hex inverter, IC
4Be phase-locked loop, be connected with the single-chip processor i/o input.。
Ground wire and zero line potential difference detecting device are connected to form step by step by the transformer step-down, rectifying tube, voltage-stabiliser tube, electric capacity of voltage regulation and the switching tube that are connected across between ground wire and zero line, the switching tube output is connected with the single-chip processor i/o input, and described ground wire and zero line potential difference detecting device provide electric heating tube basic insulation and ground wire to lose efficacy simultaneously or the ground wire electrification signal to singlechip chip.
Live wire and neutral line current device for detecting difference are connected to form by double operational integrated circuit LM358 and magnetic ring coil L, live wire and zero line pass magnetic ring coil, double operational integrated circuit LM358 is connected with the single-chip processor i/o input, and described live wire and neutral line current device for detecting difference provide the electric heating tube electric leakage signal to singlechip chip.
The discharge pressure switching circuit is connected with the single-chip processor i/o input, and K is the discharge pressure switch, and its effluent switch signal is taken from the discharge pressure transducer that is installed in the accumulating type electric water heater control device.Normally closed or the normally opened contact of the relay that is connected with transistor switching circuit respectively with the in-out end L of live wire, ground wire and zero line
IN, N
IN, E
IN, L
OUT, N
OUT, E
OUTBe connected.
G among Fig. 11、G
2、G
3Be transistor switching circuit, J1、J
2、J
3Be relay, G1、G
2、G
3With J1、J
2、J
3Be connected, and be controlled by single-chip microcomputer. T is transformer, RC (in the accompanying drawing frame of broken lines, can select) Be resistance-capacitance device, D1-D
4Be rectifying tube, W is voltage-stabiliser tube, C0Be electric capacity of voltage regulation, G0Be switching tube. G0Be connected L with singlechip chip I/O inputIN、N
IN、E
IN、L
OUT、N
OUT、E
OUTBe respectively live wire, zero line, The in-out end of line.
Claims (6)
1. comprehensive personal safety protector of accumulating type electric water heater; comprise infrared and receiving circuit; ground wire and zero line potential difference detecting device; live wire and neutral line current device for detecting difference and discharge pressure switching circuit; it is characterized in that infrared and receiving circuit; ground wire and zero line potential difference detecting device; live wire is connected with the single-chip processor i/o input respectively with neutral line current device for detecting difference and discharge pressure switching circuit; transistor switching circuit is connected with the single-chip processor i/o output; transistor switching circuit is connected with relay, and relay executive circuit control is connected on it and often opens or the live wire of normally-closed contact; the break-make of ground wire or zero line.
2. the comprehensive personal safety protector of accumulating type electric water heater according to claim 1; it is characterized in that infrared and receiving circuit are connected to form step by step by infrared emission, reception, modulation, demodulator circuit, inverter, phase-locked loop, be connected with the single-chip processor i/o input.
3. the comprehensive personal safety protector of accumulating type electric water heater according to claim 1; it is characterized in that ground wire and zero line potential difference detecting device are connected to form step by step by the transformer, rectifying tube, voltage-stabiliser tube, electric capacity of voltage regulation and the switching tube that are connected across between ground wire and zero line; the switching tube output is connected with the single-chip processor i/o input, and described ground wire and zero line potential difference detecting device provide electric heating tube basic insulation and ground wire to lose efficacy simultaneously or the ground wire electrification signal to singlechip chip.
4. the comprehensive personal safety protector of accumulating type electric water heater according to claim 1; it is characterized in that live wire and neutral line current device for detecting difference are connected to form by double operational integrated circuit and magnetic ring coil; live wire and zero line pass magnetic ring coil; the double operational integrated circuit is connected with the single-chip processor i/o input, and described live wire and neutral line current device for detecting difference provide the electric heating tube electric leakage signal to singlechip chip.
5. the comprehensive personal safety protector of accumulating type electric water heater according to claim 1; it is characterized in that the discharge pressure switching circuit is connected with the single-chip processor i/o input, its effluent switch signal is taken from the discharge pressure transducer that is installed in the accumulating type electric water heater control device.
6. the comprehensive personal safety protector of accumulating type electric water heater according to claim 1 is characterized in that the normally closed or normally opened contact of the relay that is connected with transistor switching circuit is connected with the in-out end of zero line with live wire, ground wire respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100295682A CN100416960C (en) | 2004-03-24 | 2004-03-24 | Omnidirectional human safety protector for heat storage electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100295682A CN100416960C (en) | 2004-03-24 | 2004-03-24 | Omnidirectional human safety protector for heat storage electric water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1563843A CN1563843A (en) | 2005-01-12 |
| CN100416960C true CN100416960C (en) | 2008-09-03 |
Family
ID=34480950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100295682A Expired - Fee Related CN100416960C (en) | 2004-03-24 | 2004-03-24 | Omnidirectional human safety protector for heat storage electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100416960C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607161A (en) * | 2012-03-27 | 2012-07-25 | 中山市亨力奇电器有限公司 | Water storage type electric water heater capable of controlling on and off by aid of infrared induction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2586277Y (en) * | 2002-12-05 | 2003-11-12 | 刘剑 | Leakage protector of integrated circuit |
| CN2599456Y (en) * | 2002-09-20 | 2004-01-14 | 谭启仁 | Anion scavenger fan and its controller |
| US20040024545A1 (en) * | 2002-07-18 | 2004-02-05 | Schneider Electric Industries Sas | Device for monitoring a neutral and earth break and electrical switchgear apparatus comprising such a device |
| CN2605689Y (en) * | 2003-01-31 | 2004-03-03 | 谭启仁 | Body safety protection apparatus for steam shower house at grounding failure |
| CN2727640Y (en) * | 2004-03-24 | 2005-09-21 | 谭启仁 | Omnibearing personal safety protection device for thermal storage electric water heater |
-
2004
- 2004-03-24 CN CNB2004100295682A patent/CN100416960C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040024545A1 (en) * | 2002-07-18 | 2004-02-05 | Schneider Electric Industries Sas | Device for monitoring a neutral and earth break and electrical switchgear apparatus comprising such a device |
| CN2599456Y (en) * | 2002-09-20 | 2004-01-14 | 谭启仁 | Anion scavenger fan and its controller |
| CN2586277Y (en) * | 2002-12-05 | 2003-11-12 | 刘剑 | Leakage protector of integrated circuit |
| CN2605689Y (en) * | 2003-01-31 | 2004-03-03 | 谭启仁 | Body safety protection apparatus for steam shower house at grounding failure |
| CN2727640Y (en) * | 2004-03-24 | 2005-09-21 | 谭启仁 | Omnibearing personal safety protection device for thermal storage electric water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1563843A (en) | 2005-01-12 |
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Owner name: ZHEJIANG NONGBO AGRICULTURAL DEVELOPMENT CO., LTD. Free format text: FORMER OWNER: TAN QIREN Effective date: 20100408 |
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Free format text: CORRECT: ADDRESS; FROM: 310004 (XIAOSHAN DISTRICT S ACCOUNT)BUILDING 1, NO.347, SHAOXING ROAD, HANGZHOU CITY, ZHEJIANG PROVINCE TO: 310053 501-A,5/F, NO.3760, NANHUAN ROAD, PUYAN STREET, BINJIANG DISTRICT, HANGZHOU CITY, ZHEJIANG PROVINCE |
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Effective date of registration: 20100408 Address after: Hangzhou City, Zhejiang province Binjiang District Puyan Street South 310053 road 3760, 5 floor 501-A Patentee after: Zhejiang Nong Nong agricultural development Limited by Share Ltd Address before: 310004, No. 1, Shaoxing Road, Hangzhou, Zhejiang Province, Xiaoshan 347 Patentee before: Tan Qiren |
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Granted publication date: 20080903 Termination date: 20130324 |