CN103344876A - Water heater power detector - Google Patents

Water heater power detector Download PDF

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Publication number
CN103344876A
CN103344876A CN2013102851206A CN201310285120A CN103344876A CN 103344876 A CN103344876 A CN 103344876A CN 2013102851206 A CN2013102851206 A CN 2013102851206A CN 201310285120 A CN201310285120 A CN 201310285120A CN 103344876 A CN103344876 A CN 103344876A
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China
Prior art keywords
circuit
water heater
lamp
haptic element
zero line
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CN2013102851206A
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Chinese (zh)
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CN103344876B (en
Inventor
钱加灿
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Yuyao Jiarong Electronic Appliance Co Ltd
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Yuyao Jiarong Electronic Appliance Co Ltd
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Priority to CN201310285120.6A priority Critical patent/CN103344876B/en
Publication of CN103344876A publication Critical patent/CN103344876A/en
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Publication of CN103344876B publication Critical patent/CN103344876B/en
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Abstract

The invention discloses a water heater power detector. The water heater power detector comprises a neutral wire contact, a live wire contact and an earth wire contact, and further comprises an electrical apparatus release, an indication light circuit, a voltage stabilizing circuit, a live wire detection light circuit, a neutral wire detection light circuit, an optically coupled circuit and a silicon controlled rectifier circuit. The water heater power detector can effectively abnormal electrification conditions of the neutral wire, the live wire and the earth wire and more intuitively judge abnormal situations of a power supply supplying power to a water heater, and standardizes the power utilization environment of the water heater.

Description

The water heater power supply detecting device
Technical field
The present invention relates to electric security protector device field, particularly a kind of water heater power supply detecting device.
Background technology
The water heater power supply detecting device of prior art can only be judged the electric power thus supplied of power supply, can't judge the situation of water heater power supply intuitively, and its deterministic process needs the professional correctly to finish, being not suitable for domestic consumer uses, therefore, design a kind of and judge that more intuitively the detecting device of water heater feed circuit seems very necessary, helps standard water heater power utilization environment.
Summary of the invention
(1) technical matters that will solve
Purpose of the present invention will overcome above-mentioned shortcoming exactly, aims to provide a kind of water heater power supply detecting device.
(2) technical scheme
For addressing the above problem, the present invention proposes a kind of water heater power supply detecting device, comprise the zero line haptic element, live wire haptic element and ground wire haptic element, also comprise electrical apparatus release, indicator light circuit, mu balanced circuit, live wire detects circuit for lamp, zero line detects circuit for lamp, optically coupled circuit and ghyristor circuit, described live wire detects circuit for lamp and is connected with the live wire haptic element, described zero line detects circuit for lamp and is connected with the zero line haptic element, described live wire testing circuit comprises first neon lamp, first resistance and first copper contact, described first neon lamp, described first resistance and described first copper contact are connected in series, described zero line detects circuit for lamp and comprises second neon lamp, second resistance and second copper contact, described indicator light circuit is connected with described electrical apparatus release two ends, and series diode between electrical apparatus release one end and the described indicator light circuit, described mu balanced circuit is connected with described ghyristor circuit with described indicator light circuit, described optically coupled circuit input end connects zero line haptic element and live wire haptic element, and output terminal connects described mu balanced circuit and described ghyristor circuit.
Further, described indicator light circuit comprises some resistance and pilot lamp, and described pilot lamp is connected with described resistance
Further, described optically coupled circuit is provided with the 3rd copper contact.
Further, described mu balanced circuit comprises some dropping resistors, stabilivolt and filter capacitor, described stabilivolt and described filter capacitor parallel connection, and back in parallel connects described dropping resistor.
Further, be provided with induced voltage between described zero line haptic element and the described ground wire haptic element and eliminate electric capacity.
(3) beneficial effect
Compared with prior art, the present invention has the following advantages: when the water heater feed circuit occur when unusual, cause the electrical apparatus release action, extinguish pilot lamp, the user as long as viewing lamp just can declare feed circuit and whether water heater can be installed.
Description of drawings
Fig. 1 is the schematic diagram of water heater power supply detecting device of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1, water heater power supply detecting device of the present invention, comprise zero line haptic element N, live wire haptic element L and ground wire haptic element E, also comprise electrical apparatus release, indicator light circuit, mu balanced circuit, live wire detects circuit for lamp, zero line detects circuit for lamp, optically coupled circuit and ghyristor circuit, described electrical apparatus release has reset switch, described live wire detects circuit for lamp and is connected with live wire haptic element L, described zero line detects circuit for lamp and is connected with zero line haptic element N, described live wire testing circuit comprises the first neon lamp H1, first resistance R 1 and the first copper contact P1, the described first neon lamp H1, described first resistance R 1 and the described first copper contact P1 are connected in series, described zero line detects circuit for lamp and comprises the second neon lamp H2, second resistance R 2 and the second copper contact P2, described indicator light circuit is connected with the electrical apparatus release two ends, and series diode D1 between electrical apparatus release one end and the described indicator light circuit, described mu balanced circuit is connected with described ghyristor circuit with described indicator light circuit, described optically coupled circuit input end connects zero line haptic element N and live wire haptic element L, and output terminal connects described mu balanced circuit and described ghyristor circuit.
Described indicator light circuit comprises some resistance (resistance R 6, resistance R 7, resistance R 8) and pilot lamp LED, and described pilot lamp LED connects with described resistance.
Described optically coupled circuit is provided with the 3rd copper contact P3.
Described mu balanced circuit comprises dropping resistor (resistance R 9, resistance R 10, resistance R 11), stabilivolt D2 and filter capacitor C2, described stabilivolt D2 and described filter capacitor C2 parallel connection, and back in parallel connects described dropping resistor.
Be provided with induced voltage between described zero line haptic element N and the described ground wire haptic element E and eliminate capacitor C 1.
Ghyristor circuit is made up of resistance R 12, resistance R 13, resistance R 14, capacitor C 3, capacitor C 4, capacitor C 5, capacitor C 6, triode T and controllable silicon SCR, optically coupled circuit is made up of resistance R 3, resistance R 4, resistance R 5 and photo-coupler G, photo-coupler G one end connects stabilivolt D2 negative pole, and the other end connects the base stage of triode T.
Principle of work of the present invention is: at power supply just often, pilot lamp LED is bright, shows that these feed circuit can the normal mounting water heater, and finger is touched three copper contacts respectively and had only first neon lamp bright; During the dislocation of zero live wire, show that these feed circuit cannot the normal mounting water heater, the electrical apparatus release action, pilot lamp LED does not work, and three copper contacts of finger touches have only second neon lamp bright; During ground wire electrification, show that these feed circuit cannot the normal mounting water heater, at this moment, photo-coupler conducting between ground wire, the zero line, further triggered the triode conducting, further made the conducting of silicon controlled trigger electrode, thus electrical apparatus release work, pilot lamp LED does not work, and finger is touched three copper contacts respectively and had only first neon lamp bright; When zero live wire is simultaneously charged, show that these feed circuit cannot the normal mounting water heater, the electrical apparatus release action, pilot lamp LED does not work, and finger touches three copper contact first neon lamps respectively and second neon lamp can both be bright.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (5)

1. water heater power supply detecting device, comprise the zero line haptic element, live wire haptic element and ground wire haptic element, it is characterized in that: also comprise electrical apparatus release, indicator light circuit, mu balanced circuit, live wire detects circuit for lamp, zero line detects circuit for lamp, optically coupled circuit and ghyristor circuit, described live wire detects circuit for lamp and is connected with the live wire haptic element, described zero line detects circuit for lamp and is connected with the zero line haptic element, described live wire testing circuit comprises first neon lamp, first resistance and first copper contact, described first neon lamp, described first resistance and described first copper contact are connected in series, described zero line detects circuit for lamp and comprises second neon lamp, second resistance and second copper contact, described indicator light circuit is connected with described electrical apparatus release two ends, and series diode between electrical apparatus release one end and the described indicator light circuit, described mu balanced circuit is connected with described ghyristor circuit with described indicator light circuit, described optically coupled circuit input end connects zero line haptic element and live wire haptic element, and output terminal connects described mu balanced circuit and described ghyristor circuit.
2. according to the described water heater power supply detecting device of claim 1, it is characterized in that: described indicator light circuit comprises some resistance and pilot lamp, and described pilot lamp is connected with described resistance.
3. according to the described water heater power supply detecting device of claim 1, it is characterized in that: described optically coupled circuit is provided with the 3rd copper contact.
4. according to the described water heater power supply detecting device of claim 1, it is characterized in that: described mu balanced circuit comprises some dropping resistors, stabilivolt and filter capacitor, described stabilivolt and described filter capacitor parallel connection, and back in parallel connects described dropping resistor.
5. according to the described water heater power supply detecting device of claim 1, it is characterized in that: be provided with induced voltage between described zero line haptic element and the described ground wire haptic element and eliminate electric capacity.
CN201310285120.6A 2013-07-08 2013-07-08 Water heater power detector Active CN103344876B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310285120.6A CN103344876B (en) 2013-07-08 2013-07-08 Water heater power detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310285120.6A CN103344876B (en) 2013-07-08 2013-07-08 Water heater power detector

Publications (2)

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CN103344876A true CN103344876A (en) 2013-10-09
CN103344876B CN103344876B (en) 2016-04-27

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3421828A1 (en) * 1984-06-13 1985-12-19 Brown, Boveri & Cie Ag, 6800 Mannheim Circuit having input connections and output connections of defined polarity, which are connected to the AC voltage mains
GB2344947A (en) * 1998-12-17 2000-06-21 Beha C Gmbh Test apparatus for power supply networks
CN201243203Y (en) * 2008-07-25 2009-05-20 比亚迪股份有限公司 Safety protection device for electric appliance
CN201853900U (en) * 2010-07-07 2011-06-01 江苏科技大学 Power socket device used for electric water heater
CN202384741U (en) * 2011-12-28 2012-08-15 樱花卫厨(中国)股份有限公司 Voltage detection type electricity leakage protection device for electric water heater
CN202975234U (en) * 2012-08-29 2013-06-05 郭胜利 Power socket detector
CN103178491A (en) * 2013-03-28 2013-06-26 余姚市嘉荣电子电器有限公司 Leakage protection device with ground wire electric protection function
CN203310950U (en) * 2013-07-08 2013-11-27 余姚市嘉荣电子电器有限公司 Power supply detector of water heater

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3421828A1 (en) * 1984-06-13 1985-12-19 Brown, Boveri & Cie Ag, 6800 Mannheim Circuit having input connections and output connections of defined polarity, which are connected to the AC voltage mains
GB2344947A (en) * 1998-12-17 2000-06-21 Beha C Gmbh Test apparatus for power supply networks
CN201243203Y (en) * 2008-07-25 2009-05-20 比亚迪股份有限公司 Safety protection device for electric appliance
CN201853900U (en) * 2010-07-07 2011-06-01 江苏科技大学 Power socket device used for electric water heater
CN202384741U (en) * 2011-12-28 2012-08-15 樱花卫厨(中国)股份有限公司 Voltage detection type electricity leakage protection device for electric water heater
CN202975234U (en) * 2012-08-29 2013-06-05 郭胜利 Power socket detector
CN103178491A (en) * 2013-03-28 2013-06-26 余姚市嘉荣电子电器有限公司 Leakage protection device with ground wire electric protection function
CN203310950U (en) * 2013-07-08 2013-11-27 余姚市嘉荣电子电器有限公司 Power supply detector of water heater

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