CN108375196A - A kind of leakage protection system of water outlet power-off - Google Patents
A kind of leakage protection system of water outlet power-off Download PDFInfo
- Publication number
- CN108375196A CN108375196A CN201810372425.3A CN201810372425A CN108375196A CN 108375196 A CN108375196 A CN 108375196A CN 201810372425 A CN201810372425 A CN 201810372425A CN 108375196 A CN108375196 A CN 108375196A
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- module
- leakage
- water outlet
- flow
- signal
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 230000001681 protective effect Effects 0.000 claims abstract description 29
- 230000009471 action Effects 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 230000005355 Hall effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/28—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
Abstract
The invention discloses a kind of leakage protection systems of water outlet power-off, are related to electrical safety field, including：Earth leakage protective device, low voltage power supply module and flow detection module；Low voltage power supply module is used to power for flow detection module；Flow detection module is for detecting flow; when detecting flow; send out water-flow signal; earth leakage protective device receives deenergization after the signal; compared with prior art; when detecting flow by flow detection module; send out water-flow signal; earth leakage protective device receives deenergization after the signal, can not only realize water outlet power-off, and eliminate signal conversion module; also directly it is that flow detection module is powered by low voltage power supply module; so that the present invention is not necessarily to internal battery, structure is simpler, and cost is lower.
Description
Technical field
The present invention relates to earth leakage protective device technical field more particularly to a kind of leakage protection systems of water outlet power-off.
Background technology
With the improvement of living standards, the popularity rate of pot-type boiler is also higher and higher, the event got an electric shock using water heater
And it is commonplace, therefore the safety of one earth leakage protective device protection user of water heater needs, and existing earth leakage protective device
There are many deficiencies.
The earth leakage protective device for having earth wire charged protecting as disclosed in Chinese invention CN3178492A, including each band are opened
The phase line L of pass, zero curve N, tri- poles ground wire E pass through the phase line L, zero sequence current mutual inductor of zero curve N, hookup, buckle releaser, whole
It is current circuit, power voltage step down, silicon-controlled, also set up a current detector and double input end amplifier, the primary of current detector
Coil one end is connect with ground wire E, the primary coil other end of current detector concatenate after big resistance value current limliting reduction voltage circuit with zero curve N
Connection, the secondary coil of current detector are connect with an input terminal of double input end amplifier, and the two of double input end amplifier
A output end is connect with two silicon-controlled trigger electrodes respectively, and the output end of zero sequence current mutual inductor accesses double input end amplifier
Another input terminal；Although the invention can detect whether zero curve, firewire and ground wire leak electricity simultaneously, which can only occur
Deenergization when electric leakage, there are certain hysteresis qualitys, for example leak electricity in the moment of water outlet of water heater, which detects leakage
Electricity, then complete the action of deenergization, this period, electricity enough fell the user of water heater.
For another example the intelligent water outlet power-off control system of one kind and method disclosed in Chinese invention CN106440393A, is related to
Security protection technology field, the control system include：Water flow sensing unit is connect with power supply module signal, for detecting
Electric heater goes out water state, and detection information is sent to power supply module in real time；The wherein described water flow sensing unit is suddenly
Any one in your water flow sensing unit, water flow switch and hydraulic pressure sensor；Power supply module is inserted with the earth leakage protective device
Head communication connection, for according to the testing result of the water flow sensing unit, controlling powering on and breaking for the earth leakage protective device plug
Electricity.The intelligent water outlet power-off control system and method for the present invention, when there are control earth leakage protective device when flow to jump for water heater
All connecting lines of power supply of lock protection and turned off in synchronization water heater；Although the invention can in water outlet of water heater with regard to deenergization,
But the invention can only be by earth leakage protective device come deenergization, and internal battery is also needed, the modules such as signal conversion increase member
Number of packages amount, reduces reliability.
Invention content
One, technical problems to be solved
For the drawbacks described above present in the prior art, the relatively low problem of the safety in utilization of household electrical appliance.
Two, technical solution
To solve the above problems, a kind of leakage protection system of water outlet power-off is provided, including：Earth leakage protective device, low electricity
Piezoelectricity source module and flow detection module；
Low voltage power supply module is used to power for flow detection module；
Flow detection module is for detecting flow, when detecting flow, sends out water-flow signal, earth leakage protective device receives water
Deenergization after stream signal.
Wherein, earth leakage protective device includes：
Action module, action module is for executing open or closed power supply；
Control module is protected in leakage, and leakage protects control module and is used for the open or closed power supply of control action module；
Detection of electrical leakage module, detection of electrical leakage module are leaked electricity for detecting whether ground wire, firewire and zero curve leak electricity when detecting
When, electric leakage signal is sent out, after control module reception electric leakage signal is protected in leakage, control module control action module deenergization is protected in leakage.
Wherein, earth leakage protective device further includes port module, and flow detection module protects control module by port module and leakage
Communication connection.
Wherein, earth leakage protective device further includes temperature detecting module, and temperature detecting module is for detecting between pin and socket
Temperature send out high temperature signal when temperature is more than preset value, leakage is protected after control module receives high temperature signal, and control mould is protected in leakage
Block control action module deenergization.
Wherein, earth leakage protective device further includes exchange input module, and exchange input module is electrically connected with alternating current, exchange input mould
Block is also electrically connected with low voltage power supply module and action module respectively, and exchange input module is for providing alternating current.
Wherein, after earth leakage protective device receives water-flow signal deenergization, when flow detection module can't detect flow,
The stopping of flow detection module sends out water-flow signal, and earth leakage protective device re-powers.
Wherein, low voltage power supply module is additionally operable to protect control module power supply for leakage.
Wherein, leakage protection system further includes load temperature display module, and load temperature display module is loaded for showing
The temperature of interior liquid.
Wherein, load temperature display module includes display module and load temperature sensor, and load temperature sensor is used for
The temperature of liquid in detection load, display module is for showing the temperature that load temperature sensor detects.
Wherein, low voltage power supply module is additionally operable to power for load temperature display module.
Wherein, port module includes signal isolation module, and signal isolation module is used for the input terminal and output end of signal
Carry out electrical isolation.
Three, beneficial effects of the present invention
Compared with prior art, when the present invention detects flow by flow detection module, water-flow signal is sent out, electric leakage is protected
Shield device receives deenergization after the signal, can not only realize water outlet power-off, and eliminate signal conversion module, also pass through low electricity
Piezoelectricity source module is directly that flow detection module is powered so that the present invention is not necessarily to internal battery, and structure is simpler, and cost is more
It is low.
Description of the drawings
Fig. 1 is the main modular annexation figure of the present invention；
Fig. 2 is the main annexation figure of each module of the present invention；
Fig. 3 is the action module circuit diagram of the present invention；
Fig. 4 is that control module circuit diagram is protected in the leakage of the present invention；
Fig. 5 is the detection of electrical leakage module circuit diagram of the present invention；
Fig. 6 is the port module circuit diagram of the present invention；
Fig. 7 is the temperature detecting module circuit diagram of the present invention；
Fig. 8 is the exchange input module circuit diagram of the present invention；
Fig. 9 is the low voltage power supply module circuit diagram of the present invention；
Figure 10 is the display module circuit diagram of the present invention.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example cannot be used for limiting the scope of the invention for illustrating the present invention.
Embodiment 1：
As shown in Figures 1 to 9, the present invention is applied on water heater, in the present embodiment, flow detection module is using suddenly
That effect water flow sensing unit, and by Hall effect water flow sensing unit mounted on the water outlet of water heater；
After the power is turned on, exchange input module is action module, detection of electrical leakage module and low voltage power supply module provide work electricity
Pressure, low voltage power supply module protect control module, Hall effect water flow sensing unit and temperature detecting module for leakage and provide operating voltage,
So that the present invention powers it is not necessary that battery is arranged for water flow sensing unit；
When mutual inductor ZCT1 or mutual inductor ZCT2 detect electric leakage signal, one is sent out from microcontroller U1 to microcontroller U2
A electric leakage signal, after microcontroller U2 receives electric leakage signal, the power supply of control tripping coil RL2 cut-out water heaters；If it is ground wire
Electric leakage, the LED light DL2 exchanged in input module can be lighted, and remind user's ground wire electrification；
After electric leakage signal disappearance, user's needs are manually pressed by switch S1 and reset, and are re-powered after reset, then
Electric coil RL1 connects the power supply of water heater in microcontroller U2 controls, further increases safety；
When Hall effect water flow sensing unit detects flow, Hall effect water flow sensing unit is by optocoupler OPTO1 to list
Piece machine U2 sends out water-flow signal, after microcontroller U2 receives water-flow signal, the power supply of control tripping coil RL2 cut-out water heaters；
Water-flow signal disappears after five minutes, and electric coil RL1 connects the power supply of water heater in microcontroller U2 controls；So that the present invention without into
The process of row signal conversion has saved cost to eliminate signal conversion module and communication module, increases reliability；It passes
The water outlet of water heater of system powers off, and is all to be disconnected by solenoid valve inside water heater after water outlet, and the present invention is after water outlet
Earth leakage protective device is directly disconnected, can not only achieve the effect that water outlet power-off, also eliminate solenoid valve, and safer
When temperature sensor RT1 detect the temperature between pin and socket be more than preset value when, temperature sensor RT1 to
Microcontroller U2 sends out high temperature signal, after microcontroller U2 receives high temperature signal, the power supply of control tripping coil RL2 cut-out water heaters.
Embodiment 2：
In the present embodiment, load temperature sensor uses water temperature sensor, and water temperature sensor is arranged in water heater
Water tank in；
As shown in Figure 10, port CON2 is electrically connected with low voltage power supply module, and port CON1 is electrically connected with water temperature sensor,
Water temperature in the water-heater water tank detected is sent to microcontroller U4 by water temperature sensor, and microcontroller U4 control charactrons DS1 is aobvious
Show the temperature that water temperature sensor detects；
When earth leakage protective device disconnects water heater power supply, water heater can not work, and also can not just show in water tank
Water temperature so that user can not learn water temperature, bring using upper inconvenience, and the water temperature sensor and display module of the present invention
All be by low-tension supply module for power supply, also can displays temperature so that user can so when water heater can not work
Water temperature is learnt, using upper more convenient.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, in relation to the common of technical field
Technical staff can also make a variety of changes and modification without departing from the spirit and scope of the present invention, therefore all
Equivalent technical solution also belongs to scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (11)
1. a kind of leakage protection system of water outlet power-off, which is characterized in that the leakage protection system includes：Earth leakage protective device,
Low voltage power supply module and flow detection module；
The low voltage power supply module is used to power for the flow detection module；
The flow detection module is for detecting flow, and when detecting flow, the flow detection module sends out water-flow signal,
The earth leakage protective device receives deenergization after water-flow signal.
2. a kind of leakage protection system of water outlet power-off as described in claim 1, which is characterized in that the earth leakage protective device packet
It includes：
Action module, the action module is for executing open or closed power supply；
Control module is protected in leakage, and the leakage protects control module for controlling the open or closed power supply of the action module；
Detection of electrical leakage module, the detection of electrical leakage module are leaked electricity for detecting whether ground wire, firewire and zero curve leak electricity when detecting
When, the detection of electrical leakage module sends out electric leakage signal, and after control module reception electric leakage signal is protected in the leakage, control mould is protected in the leakage
Block controls the action module deenergization.
3. a kind of leakage protection system of water outlet power-off as claimed in claim 2, which is characterized in that the earth leakage protective device is also
Including port module, the flow detection module is protected control module communication by the port module and the leakage and is connected.
4. a kind of leakage protection system of water outlet power-off as claimed in claim 2, which is characterized in that the earth leakage protective device is also
Including temperature detecting module, the temperature detecting module is used to detect the temperature between pin and socket, when temperature is more than default
When value, the temperature detecting module sends out high temperature signal, and after control module reception high temperature signal is protected in the leakage, control is protected in the leakage
Module controls the action module deenergization.
5. a kind of leakage protection system of water outlet power-off as claimed in claim 2, which is characterized in that the earth leakage protective device is also
Including exchanging input module, the exchange input module is electrically connected with alternating current, the exchange input module also respectively with it is described low
Voltage source module and action module electrical connection, the exchange input module is for providing alternating current.
6. a kind of leakage protection system of water outlet power-off as described in claim 1, which is characterized in that the earth leakage protective device connects
After receiving water-flow signal deenergization, when the flow detection module can't detect flow, the flow detection module stops
Water-flow signal is sent out, the earth leakage protective device re-powers.
7. a kind of leakage protection system of water outlet power-off as claimed in claim 2, which is characterized in that the low voltage power supply mould
Block is additionally operable to protect control module power supply for the leakage.
8. a kind of leakage protection system of water outlet power-off as described in claim 1, which is characterized in that the leakage of the water outlet power-off
Electric protection system further includes load temperature display module, and the load temperature display module is used to show the temperature of liquid in load
Degree.
9. a kind of leakage protection system of water outlet power-off as claimed in claim 8, which is characterized in that the load temperature is shown
Module includes display module and load temperature sensor, and the load temperature sensor is used to detect the temperature of liquid in load,
The display module is for showing the temperature that the load temperature sensor detects.
10. a kind of leakage protection system of water outlet power-off as claimed in claim 8, which is characterized in that the low voltage power supply
Module is additionally operable to power for the load temperature display module.
11. a kind of leakage protection system of water outlet power-off as claimed in claim 3, which is characterized in that the port module packet
Module containing signal isolation, the signal isolation module are used to the input terminal of signal and output end carrying out electrical isolation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810372425.3A CN108375196B (en) | 2018-04-24 | 2018-04-24 | Leakage protection system for water outlet power failure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810372425.3A CN108375196B (en) | 2018-04-24 | 2018-04-24 | Leakage protection system for water outlet power failure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108375196A true CN108375196A (en) | 2018-08-07 |
| CN108375196B CN108375196B (en) | 2024-03-19 |
Family
ID=63032673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810372425.3A Active CN108375196B (en) | 2018-04-24 | 2018-04-24 | Leakage protection system for water outlet power failure |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066583A (en) * | 2018-09-17 | 2018-12-21 | 余姚市嘉荣电子电器有限公司 | A kind of safe leakage protection system |
| CN109245043A (en) * | 2018-09-17 | 2019-01-18 | 余姚市嘉荣电子电器有限公司 | A kind of safe leakage protection system |
| CN109945506A (en) * | 2019-03-29 | 2019-06-28 | 广东万博电气有限公司 | A kind of electric heater with water outlet power down function |
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| CN208349588U (en) * | 2018-04-24 | 2019-01-08 | 余姚市嘉荣电子电器有限公司 | A kind of leakage protection system of water outlet power-off |
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| DE202005008028U1 (en) * | 2005-05-18 | 2005-11-17 | Zippy Technology Corp., Hsin-Tien | Power supply circuit for display panel has domestic power system, low voltage power converter system, and one high voltage power converter system whereby all of them are electrically connected to alternating current source |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066583A (en) * | 2018-09-17 | 2018-12-21 | 余姚市嘉荣电子电器有限公司 | A kind of safe leakage protection system |
| CN109245043A (en) * | 2018-09-17 | 2019-01-18 | 余姚市嘉荣电子电器有限公司 | A kind of safe leakage protection system |
| CN109245043B (en) * | 2018-09-17 | 2023-09-12 | 余姚市嘉荣电子电器有限公司 | Safe electric leakage protection system |
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| CN109945506A (en) * | 2019-03-29 | 2019-06-28 | 广东万博电气有限公司 | A kind of electric heater with water outlet power down function |
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| Publication number | Publication date |
|---|---|
| CN108375196B (en) | 2024-03-19 |
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