CN203025245U - Hot-water electric leakage detection device, shower head and electric water heater - Google Patents
Hot-water electric leakage detection device, shower head and electric water heater Download PDFInfo
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- CN203025245U CN203025245U CN 201220745348 CN201220745348U CN203025245U CN 203025245 U CN203025245 U CN 203025245U CN 201220745348 CN201220745348 CN 201220745348 CN 201220745348 U CN201220745348 U CN 201220745348U CN 203025245 U CN203025245 U CN 203025245U
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Abstract
The utility model discloses a hot-water electric leakage detection device, a shower head and an electric water heater. The hot-water electric leakage detection device comprises a ring body embedded in the shower head, wherein the inn surface of the body is provided with a pair of metal probes, and the outer surface is made of transmitting material; the electric leakage detection device is embedded in the body, and the electric leakage detection device comprises a hall current sensor, an operational amplifying circuit and a light emitting diode; and current input and output ends of the hall current sensor are respectively electrically connected with one of the metal probes, and a signal output end of the hall current sensor drives the light emitting diode to emit light through an amplifying signal of the operational amplifying circuit.
Description
Technical field
The utility model relates to water heater detection of electrical leakage technology, particularly relates to a kind of hot water earth detector, gondola water faucet and electric heater.
Background technology
Along with present household electrical appliance popularizing in people's life progressively, the harm of electric shock also is accompanied by generation often, often sees what TV the inside appearance caused casualties because electric heater leaks electricity, and this kind phenomenon is of common occurrence.Therefore just be necessary to provide a kind of electric heater earth detector, can more intuitively understand current electric leakage situation with the handled easily people.
The utility model content
Based on this, provide a kind of hot water earth detector, gondola water faucet and electric heater for the detection of electrical leakage problem of electric heater.
The hot water earth detector that the utility model provides, it comprises that one can be embedded into the annular body 100 in gondola water faucet, and described body 100 inside surfaces are provided with pair of metal probe 110, and described body 100 outside surfaces adopt light transmissive material; Described body 100 is embedded with electric-leakage detection circuit 200, described electric-leakage detection circuit 200 comprises: Hall current sensor 210, operational amplification circuit 220 and light emitting diode D1, the electric current input/output terminal of described Hall current sensor 210 is electrically connected to a metal probe 110 respectively, and the signal output part of described Hall current sensor 210 is luminous to drive described light emitting diode D1 by described operational amplification circuit 220 amplifying signals.
Wherein, described electric-leakage detection circuit 200 also comprises hummer S1, and the output signal of described operational amplification circuit 220 drives described hummer S1 sounding alarm.
Wherein, described electric-leakage detection circuit 200 also comprises:
Scrambler 230 is used for obtaining output signal and being converted into coded message from described operational amplification circuit 220;
Radio transmitters 240 is used for the wireless wireless receiver 250 that is arranged on the electric heater power access end that sends to of described coded message;
Wireless receiver 250 is used for receiving the signal from described radio transmitters 240;
Demoder 260, for the signal that the described radio transmitters 240 of decoding receives, the output drive control signal; And
Be connected on the switch 270 between the access of described electric heater power access end and civil power, described switch 270 receives the drive control signal of described demoder 260 outputs to disconnect the path of described electric heater power access end and civil power access.
wherein, described operational amplification circuit 220 comprises: the first resistance R 1, the second resistance R 2, the first triode Q1, the 3rd resistance R 3, the 4th resistance R 4 and the second triode Q2, the signal output part of described Hall current sensor 210 is by described the second resistance R 2 ground connection, the signal output part of described Hall current sensor 210 also connects the base stage of described the first triode Q1 by described the first resistance R 1, the collector of described the first triode Q1 connects the output of a direct current power supply VCC by described the 3rd resistance R 3, the grounded emitter of described the first triode Q1, the collector of described the first triode Q1 also connects the base stage of described the second triode Q2, the collector of described the second triode Q2 connects the output of a direct current power supply VCC by described the 4th resistance R 4, the emitter of described the second triode Q2 is by described light emitting diode D1 ground connection, described operational amplification circuit 220 is from the collector output signal of described the second triode Q2.
Wherein, described electric-leakage detection circuit 200 also comprises hummer S1, and described hummer S1 is connected between the collector and ground end of described the second triode Q2.
Based on said structure, a kind of gondola water faucet, it is embedded with above-mentioned hot water earth detector.
Based on said structure, a kind of electric heater, it comprises above-mentioned hot water earth detector.
Technique effect: the detection of electrical leakage problem that the utility model just is being based on water heater provides a kind of more effective; the hot water earth detector of observation more directly perceived; it can be embedded in gondola water faucet; detect in hot water whether have the leakage current that should not exist in real time; can allow timely and effectively operating personnel understand the electric leakage situation of current hot water; and make luminous, report to the police or directly cut off the measures such as operation of electric heater power supply, thereby protection operating personnel's life security.
Description of drawings
Fig. 1 is an embodiment electrical block diagram of the present utility model.
Fig. 2 is another embodiment electrical block diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1, a kind of hot water earth detector that the present embodiment provides, it comprises that one can be embedded into the annular body 100 in gondola water faucet, and described body 100 inside surfaces are provided with pair of metal probe 110, and described body 100 outside surfaces adopt light transmissive material; Described body 100 is embedded with electric-leakage detection circuit 200, described electric-leakage detection circuit 200 comprises: Hall current sensor 210, operational amplification circuit 220 and light emitting diode D1, the electric current input/output terminal of described Hall current sensor 210 is electrically connected to a metal probe 110 respectively, and the signal output part of described Hall current sensor 210 is luminous to drive described light emitting diode D1 by described operational amplification circuit 220 amplifying signals.
The leakage current that the present embodiment adopts Hall current sensor 210 to detect in hot water, when producing leakage current when electric water heater heating, might be delivered to human body by hot water, so when in the process that discharges water by gondola water faucet, if there is unnecessary leakage current, will survey by metal probe 110 and be known by Hall current sensor 210, acquisition is with induced signal, this induced signal is luminous by driving light emitting diode D1 after being amplified by operational amplification circuit 220, knows thereby be operated personnel through body 100 outside surfaces; If there is not leakage current in hot water, Hall current sensor 210 can not produce signal, and light emitting diode D1 is not luminous.
As shown in Figure 1, on the basis based on above-described embodiment, above-mentioned electric-leakage detection circuit 200 also comprises hummer S1, and the output signal of described operational amplification circuit 220 drives described hummer S1 sounding alarm.
As shown in Figure 2, on the basis based on above-described embodiment, described electric-leakage detection circuit 200 also comprises:
Scrambler 230 is used for obtaining output signal and being converted into coded message from described operational amplification circuit 220;
Radio transmitters 240 is used for the wireless wireless receiver 250 that is arranged on the electric heater power access end that sends to of described coded message;
Wireless receiver 250 is used for receiving the signal from described radio transmitters 240;
Demoder 260, for the signal that the described radio transmitters 240 of decoding receives, the output drive control signal; And
Be connected on the switch 270 between the access of described electric heater power access end and civil power, described switch 270 receives the drive control signal of described demoder 260 outputs to disconnect the path of described electric heater power access end and civil power access.
Above-mentioned several embodiment mainly just produces luminous or alarm sound; here can adopt radio transmitters and receiver; and encoder; signal to operational amplification circuit output compiles; thereby produce control signal and control the switch 270 that is connected on the electric heater power access end; cut off the path of electric heater power access end and civil power access when having leakage current in order to control it in hot water being detected, play the automatic protection functions to operating personnel's personal safety.
as shown in Fig. 1 or 2, on basis based on above-described embodiment, described operational amplification circuit 220 comprises: the first resistance R 1, the second resistance R 2, the first triode Q1, the 3rd resistance R 3, the 4th resistance R 4 and the second triode Q2, the signal output part of described Hall current sensor 210 is by described the second resistance R 2 ground connection, the signal output part of described Hall current sensor 210 also connects the base stage of described the first triode Q1 by described the first resistance R 1, the collector of described the first triode Q1 connects the output of a direct current power supply VCC by described the 3rd resistance R 3, the grounded emitter of described the first triode Q1, the collector of described the first triode Q1 also connects the base stage of described the second triode Q2, the collector of described the second triode Q2 connects the output of a direct current power supply VCC by described the 4th resistance R 4, the emitter of described the second triode Q2 is by described light emitting diode D1 ground connection, described operational amplification circuit 220 is from the collector output signal of described the second triode Q2.In this embodiment, operational amplification circuit 220 adopts triode two-stage amplifying circuit, and is simple in structure, and signal is processed reliable.When adding hummer S1, described hummer S1 can be connected between the collector and ground end of described the second triode Q2.
Structure based on above-mentioned each embodiment, above-mentioned hot water earth detector can be embedded into the gondola water faucet that forms a kind of new construction in gondola water faucet, and the structure of concrete hot water earth detector can referring to above-mentioned description in conjunction with Fig. 1 and Fig. 2, not done tired stating at this.
Structure based on above-mentioned each embodiment, above-mentioned hot water earth detector can be placed in electric heater, form a kind of new electric heater, has automatic detection hot water leakage current situation, and the structure of concrete hot water earth detector can referring to above-mentioned description in conjunction with Fig. 1 and Fig. 2, not done tired stating at this.
The utility model provides a kind of more effective based on the detection of electrical leakage problem to water heater; the hot water earth detector of observation more directly perceived; it can be embedded in gondola water faucet or be placed in electric heater; detect in hot water whether have the leakage current that should not exist in real time; can allow timely and effectively operating personnel understand the electric leakage situation of current hot water; and make luminous, report to the police or directly cut off the measures such as operation of electric heater power supply, thereby protection operating personnel's life security.People can understand whether have leakage current, convenient and reliable operation in current hot water as long as open electric heater in real time by the hot water earth detector that observation is embedded in gondola water faucet.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (7)
1. hot water earth detector, it is characterized in that, comprise that one can be embedded into the annular body (100) in gondola water faucet, described body (100) inside surface is provided with pair of metal probe (110), and described body (100) outside surface adopts light transmissive material; Described body (100) is embedded with electric-leakage detection circuit (200), described electric-leakage detection circuit (200) comprising: Hall current sensor (210), operational amplification circuit (220) and light emitting diode (D1), the electric current input/output terminal of described Hall current sensor (210) is electrically connected to a metal probe (110) respectively, and the signal output part of described Hall current sensor (210) is luminous to drive described light emitting diode (D1) by described operational amplification circuit (220) amplifying signal.
2. hot water earth detector according to claim 1, it is characterized in that, described electric-leakage detection circuit (200) also comprises hummer (S1), and the output signal of described operational amplification circuit (220) drives described hummer (S1) sounding alarm.
3. hot water earth detector according to claim 1, is characterized in that, described electric-leakage detection circuit (200) also comprises:
Scrambler (230) is used for obtaining output signal and being converted into coded message from described operational amplification circuit (220);
Radio transmitters (240) is used for the wireless wireless receiver (250) that is arranged on the electric heater power access end that sends to of described coded message;
Wireless receiver (250) is used for receiving the signal from described radio transmitters (240);
Demoder (260), for the signal that the described radio transmitters (240) of decoding receives, the output drive control signal; And
Be connected on the switch (270) between the access of described electric heater power access end and civil power, described switch (270) receives the drive control signal of described demoder (260) output to disconnect the path of described electric heater power access end and civil power access.
4. hot water earth detector according to claim 1, it is characterized in that, described operational amplification circuit (220) comprising: the first resistance (R1), the second resistance (R2), the first triode (Q1), the 3rd resistance (R3), the 4th resistance (R4) and the second triode (Q2), the signal output part of described Hall current sensor (210) is by described the second resistance (R2) ground connection, the signal output part of described Hall current sensor (210) also connects the base stage of described the first triode (Q1) by described the first resistance (R1), the collector of described the first triode (Q1) connects the output of a direct current power supply (VCC) by described the 3rd resistance (R3), the grounded emitter of described the first triode (Q1), the collector of described the first triode (Q1) also connects the base stage of described the second triode (Q2), the collector of described the second triode (Q2) connects the output of a direct current power supply (VCC) by described the 4th resistance (R4), the emitter of described the second triode (Q2) is by described light emitting diode (D1) ground connection, described operational amplification circuit (220) is from the collector output signal of described the second triode (Q2).
5. hot water earth detector according to claim 4, it is characterized in that, described electric-leakage detection circuit (200) also comprises hummer (S1), and described hummer (S1) is connected between the collector and ground end of described the second triode (Q2).
6. a gondola water faucet, is characterized in that, described gondola water faucet is embedded with the described hot water earth detector of the arbitrary claim of claim 1 to 5.
7. an electric heater, is characterized in that, described electric heater comprises and is embedded with the described hot water earth detector of the arbitrary claim of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220745348 CN203025245U (en) | 2012-12-31 | 2012-12-31 | Hot-water electric leakage detection device, shower head and electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220745348 CN203025245U (en) | 2012-12-31 | 2012-12-31 | Hot-water electric leakage detection device, shower head and electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203025245U true CN203025245U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220745348 Expired - Fee Related CN203025245U (en) | 2012-12-31 | 2012-12-31 | Hot-water electric leakage detection device, shower head and electric water heater |
Country Status (1)
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| CN (1) | CN203025245U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289383A (en) * | 2015-06-09 | 2017-01-04 | 爱盛科技股份有限公司 | Compound transducer and apply its electronic installation |
| CN113663267A (en) * | 2020-05-15 | 2021-11-19 | 本德尔有限两合公司 | Fire extinguishing agent discharging device |
-
2012
- 2012-12-31 CN CN 201220745348 patent/CN203025245U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289383A (en) * | 2015-06-09 | 2017-01-04 | 爱盛科技股份有限公司 | Compound transducer and apply its electronic installation |
| CN106289383B (en) * | 2015-06-09 | 2019-08-02 | 爱盛科技股份有限公司 | Compound transducer and the electronic device for applying it |
| CN113663267A (en) * | 2020-05-15 | 2021-11-19 | 本德尔有限两合公司 | Fire extinguishing agent discharging device |
| US11654315B2 (en) | 2020-05-15 | 2023-05-23 | Bender Gmbh & Co. Kg | Device for discharging extinguishing agent |
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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 |
Granted publication date: 20130626 Termination date: 20141231 |
|
| EXPY | Termination of patent right or utility model |