CN105972832A - Electric water heater water output power-off control system capable of preventing misoperation - Google Patents
Electric water heater water output power-off control system capable of preventing misoperation Download PDFInfo
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- CN105972832A CN105972832A CN201610524701.4A CN201610524701A CN105972832A CN 105972832 A CN105972832 A CN 105972832A CN 201610524701 A CN201610524701 A CN 201610524701A CN 105972832 A CN105972832 A CN 105972832A
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- power
- electric heater
- module
- pole
- signal
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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
Abstract
The invention discloses an electric water heater water output power-off control system capable of preventing misoperation. The electric water heater water output power-off control system is characterized in that the system comprises a tripolar electric leakage protection plug power line capable of automatically resetting, an electric water heater master controller, an isolation communication module and a water flow sensor; the tripolar electric leakage protection plug power line is connected to a power supply line of an electric water heater; the electric water heater master controller is connected with the water flow sensor and connected with the tripolar electric leakage protection plug power line through the isolation communication module; and on-off of three poles of the tripolar electric leakage protection plug power line is controlled by the electric water heater master controller according to signals provided by the water flow sensor. In the electric water heater water output power-off control system, the isolation communication module controls on-off of the three poles of the electric leakage protection plug power line according to the magnitude (threshold conditions) of water flow signals detected by the water flow sensor, and misoperation of the electric leakage protection plug power line can be avoided on the premise of guaranteeing water safety of a user.
Description
Technical field
The present invention relates to electric heater and control technical field, particularly relate to a kind of electric heating preventing misoperation
Hydrophone water outlet power-off control system.
Background technology
After prior art collects user's useful water behavior by water flow sensing unit, driven by logic control
Galvanic electricity heater power-off, it is ensured that user will not get an electric shock due to electric leakage.But due to earth leakage circuit-breaker power supply
Line, controller are the most charged, and part electric leakage accident is owing to imperfect earth or ground wire electrification cause, it is impossible to
Thoroughly ensure user's bathing safety, there is security risk.
For improving security performance, certain customers press the test key of leakage protecting plug before bathing and make electric heating
Hydrophone three pole (zero, fire, ground wire) disconnects, and needs to press the SR of leakage protecting plug just after bathing is complete
Can be energized to electric heater, part family electric heater is arranged on a high position, causes operating difficulties, exists bad
Experience.
Summary of the invention
It is an object of the invention to provide one can automatically disconnect, close leakage protecting plug power line zero,
Fire, ground wire, and the electric heater water outlet power-off control system of misoperation can be prevented.
For reaching object above, the present invention adopts the following technical scheme that.
A kind of electric heater water outlet power-off control system preventing misoperation, it is characterised in that including:
Including: can automatically reset three pole leakage protecting plug power lines, electric heater master controller, isolation communication
Module and water flow sensor, described three pole leakage protecting plug power lines are connected to the supply lines of electric heater
Lu Shang, described electric heater master controller is connected with water flow sensor and by isolation communication module and three
Pole leakage protecting plug power line connects, the signal that electric heater master controller provides according to water flow sensor
Three poles controlling three pole leakage protecting plug power lines disconnect, close.
As with improvement, described electric heater master controller includes: single-chip microcomputer, the first relay,
Two relays, can the power module of discharge and recharge, power detecting module and hardware electrification reset module；
Described first relay is connected to L pole and the electric heater of three pole leakage protecting plug power lines
Between electric heater positive pole；
Described second relay is connected to N pole and the electric heater of three pole leakage protecting plug power lines
Between electric heater negative pole；
Described water flow sensor is connected with single-chip microcomputer；
Described single-chip microcomputer and the first relay, the second relay signal connect；
Described isolation communication module is connected with single-chip microcomputer, three pole leakage protecting plug power line signal, and
The instruction sent according to single-chip microcomputer controls three poles of three pole leakage protecting plug power lines and is opened or closed；
Described power module is connected to the current output terminal of three pole leakage protecting plug power lines and passes through
Power detecting module, hardware electrification reset module are connected with single-chip microcomputer；
Described power module include can the battery module of discharge and recharge or capacitance module, when switching on power,
Power module is powered simultaneously to internal battery module or capacitance module charging to electric heater master controller,
When accidental power failure or actively power-off, by power detecting module, single-chip microcomputer detects that power supply disconnects, then starts
Battery module or capacitance module in power module are powered, and enter falling of low-power consumption after preserving current data
Electricity park mode；
When power supply recloses, by hardware electrification reset module resets single-chip microcomputer, single-chip microcomputer passes through
After power detecting module detection power supply Guan Bi, rework after recovering the data before power-off；
Described power detecting module is connected with single-chip processor i/o mouth, and single-chip microcomputer reads power detecting by I/O mouth
The signal that module sends i.e. can determine whether connection and the Guan Bi of power supply；
Described hardware electrification reset module, when power on, sends specific reset signal to single-chip microcomputer
Pulse makes monolithic processor resetting.
As with improvement, electric heater master controller connects and has Operation display module, aobvious in operation
Show that module is provided with button and the infrared remote controller signal reception head of man-machine interaction.
As with improvement, described isolation communication module is the photoelectricity of isolation and the communication that can realize strong and weak electricity
Bonder.
As with improvement, the outfan at three pole leakage protecting plug power lines connects thermal circuit beraker.
As with improvement, described water flow sensor is arranged on water inlet water route or the water outlet water of electric heater
Lu Shang, is made up of valve body, water flow rotor assembly and Hall element.
As with improvement, described isolation communication module is arranged on electric heater fuselage or the electric leakage of three poles is protected
Protect on power cord plug or be integrated on single-chip microcomputer.
As with improvement, described isolation communication module and electric heater master controller, three pole earth leakage protectives
Connected by connection between power cord plug；
Or, described isolation communication module and electric heater master controller, three pole leakage protecting plug power supplys
By wireless communication module communication between line.
As with improvement, when user opens the outlet valve of electric heater, current flow through discharge sensing
Device, the water flow sensor output signal of telecommunication, the signal of telecommunication calculates current after being detected by electric heater master controller
The size of amount, if discharge is more than threshold condition, then sends power-off signal by optical coupling module, makes electric leakage protect
Protect power cord plug three pole to disconnect；
After master controller sends power-off signal, whether single-chip microcomputer is broken by power detecting module detection power supply
Opening, if disconnecting, master controller enters low-power consumption power consumption park mode, automatically wakens up also in dormancy certain time
Again detecting water flow signal, if detecting, discharge is again introduced into dormancy, the most repeatedly dormancy awakening detection,
Until water flow signal disappears or less than threshold condition, delay a period of time is sent by isolation communication module and closes
Close signal, make leakage protecting plug three pole close；
Under power on state, water-flow signal detected, send power-off signal, if repeatedly sending disconnected
After the signal of telecommunication, by power detecting module, single-chip microcomputer detects that power supply does not all disconnect, master controller display fault
Alarm code.
As with improvement, after leakage protecting plug three pole disconnects, master controller does not enter resting state
Persistently detect water flow signal, show inner bag current water temperature, until water flow signal disappears or is less than threshold value bar
After part, send closure signal, make leakage protecting plug three pole close.
The invention has the beneficial effects as follows:
One, in traditional electric heater, owing to water inlet pipe is provided with one-way relief valves, electric heater
During heating, inner liner pressure can increase, and inner bag watery vomiting may be caused to flowing back to water flow sensing unit, produce the use of mistake
Water signal.In the present invention, the isolation water flow signal that detects according to water flow sensor of communication module big
Little (threshold condition) controls the closed and disconnected of leakage protecting plug power line three pole, is ensureing user's water
On the premise of safety, moreover it is possible to avoid the misoperation of leakage protecting plug power line, practicality is good.
Two, introduce power detecting module and electrification reset can monitor power supply electric power thus supplied, electric hot water in real time
The operation of device control system is more stable reliably, under power failure state (accident power-off or actively power-off), passes through power supply
Module for power supply, control system of electric water heater enters Low-power-consumptiodormancy dormancy pattern, by discontinuity detection water flow signal
Judge to switch on power or deenergization, stand-by power supply electric energy can be saved, extend the use time.
Accompanying drawing explanation
Fig. 1 show the electric heater water outlet power-off control system structural representation that the present invention provides.
Fig. 2 show the electric heater water outlet power-off control system control flow chart that the present invention provides.
Description of reference numerals:
1: three pole leakage protecting plug power line, 2: electric heater master controller, 3: isolation is logical
News module, 4: water flow sensor, 5: thermal circuit beraker, 6: Operation display module, 7: electricity
Heater.
2-1: single-chip microcomputer, the 2-2: the first relay, the 2-3: the second relay, 2-4: power supply
Module, 2-5: power detecting module, 2-6: hardware electrification reset module.
Detailed description of the invention
The essence of the present invention it is more fully understood that, below in conjunction with the accompanying drawings to this for convenience of those skilled in the art
The detailed description of the invention of invention is described in detail.
As it is shown in figure 1, a kind of electric heater water outlet power-off control system preventing misoperation, including: bag
Include: can automatically reset three pole leakage protecting plug power lines 1, electric heater master controller 2, isolation communication
Module 3 and water flow sensor 4.
Wherein, described electric heater can be connected to by automatically reset three pole leakage protecting plug power lines 1
In supply line, being the power line of a kind of band leakage protecting plug, three grades that can realize leakage protecting plug disconnected
Open.
Described water flow sensor 2 is arranged on water inlet water route or the water outlet water route of electric heater, by valve
Body, water flow rotor assembly and Hall element composition.
Described isolation communication module 3 is the photoelectrical coupler of isolation and the communication that can realize strong and weak electricity, arranges
On electric heater fuselage, isolation communication module 3 and electric heater master controller 2, three pole leakage protecting plug
Connected by connection between power line 1.In other embodiments, described isolation communication module is arranged on three
On the leakage protecting plug power line of pole or be integrated on the single-chip microcomputer of master controller, isolation communication module and monolithic
By wireless communication module communications such as WiFi module between machine, three pole leakage protecting plug power lines.
Described electric heater master controller 2 is connected with water flow sensor 4 and by isolation communication module 3
It is connected with three pole leakage protecting plug power lines 1.During real work, electric heater master controller 2 is according to current
The signal that quantity sensor 4 provides controls three poles of three pole leakage protecting plug power lines 1 and disconnects, closes.
Described electric heater master controller 2 includes: single-chip microcomputer 2-1, the first relay 2-2, the second relay
Device 2-3, can the power module 2-4 of discharge and recharge, power detecting module 2-5 and hardware electrification reset module 2-6.
The electricity of L pole and electric heater that described first relay 2-2 is connected to three pole leakage protecting plug power lines 1 adds
Between hot device 7 positive pole；Described second relay 2-3 be connected to the N pole of three pole leakage protecting plug power lines 1 with
Between electric heater 7 negative pole of electric heater.Described water flow sensor 4 is connected with single-chip microcomputer 2-1.Described list
Sheet machine 2-1 and the first relay 2-2, the second relay 2-3 signal connect.Described isolation communication module 3 and monolithic
Machine 2-1, three pole leakage protecting plug power line 1 signals connect, and the instruction sent according to single-chip microcomputer 2-1 controls
Three poles of three pole leakage protecting plug power lines 1 are opened or closed.Described power module 2-4 is connected to three pole electric leakages
Protect the current output terminal of power cord plug 1 and by power detecting module 2-5, hardware electrification reset module 2-6
It is connected with single-chip microcomputer 2-1.Specifically, described power detecting module 2-5 is connected with the I/O mouth of single-chip microcomputer 2-1, single
Sheet machine 2-1 reads, by I/O mouth, the signal that power detecting module 2-5 sends and i.e. can determine whether the connection of power supply and close
Close.Described hardware electrification reset module 2-6, when power on, sends specific reset signal to single-chip microcomputer 2-1
Pulse makes monolithic processor resetting.
In the present embodiment, described power module 2-4 include can the battery module of discharge and recharge or capacitance module,
When switching on power, power module 2-4 powers simultaneously to internal battery module or electric capacity mould to single-chip microcomputer 2-1
Block charges, and when accidental power failure or actively power-off, single-chip microcomputer 2-1 detects power supply by power detecting module 2-5
Disconnect, then start the battery module in power module 2-4 or capacitance module is powered, and after preserving current data
Enter the power down park mode of low-power consumption.When power supply recloses, multiple by hardware electrification reset module 2-6
After position single-chip microcomputer 2-1, single-chip microcomputer 2-1 are closed by power detecting module 2-5 detection power supply, before recovering power-off
Rework after data.
Further, the outfan at three pole leakage protecting plug power lines 1 connects thermal circuit beraker 5,
When circuit occur long term overloading or occur short circuit when and time-division deenergizing.
Electric heater master controller 2 connects and has Operation display module 6, Operation display module 6 sets
The button and the infrared remote controller signal that have man-machine interaction receive head.
As in figure 2 it is shown, when user opens the outlet valve of electric heater, current flow through water flow sensor,
The water flow sensor output signal of telecommunication, the signal of telecommunication calculates discharge after being detected by electric heater master controller
Size, if discharge is more than threshold condition, then sends power-off signal by optical coupling module, makes earth leakage protective insert
Head power line three pole disconnects, and electric heater enters safe water pattern；At this moment, master controller passes through power supply mould
Block is powered, Operation display module display inner bag current water temperature, and examines every a period of time (such as 5 seconds) Posterior circle
Survey water flow signal, until water flow signal disappears or less than threshold condition, postpones a period of time by isolation
Communication module sends closure signal, makes leakage protecting plug three pole close, and normal work replied by electric heater.
In the present embodiment, preferably threshold condition is 1L/min.
In other embodiments, after power supply disconnects, master controller enters low-power consumption power consumption dormancy mould
Formula (does not show the information such as water temperature), automatically wakens up in dormancy certain time and again detects water flow signal, if
Detect that discharge is again introduced into dormancy, the most repeatedly dormancy awakening detection, until water flow signal disappear or
After threshold condition, send closure signal, make leakage protecting plug three pole close.
Further, for the decision safety of guarantee water, under power on state, current are detected
Signal, sends power-off signal, if after repeatedly sending power-off signal, single-chip microcomputer is detected by power detecting module
All do not disconnect to power supply, master controller display fault alarm, remind user's maintenance.
The essence of the present invention has been described in detail by above detailed description of the invention, but can not come with this
Protection scope of the present invention is limited.It should be evident that under the enlightenment of essence of the present invention, this technology
Field those of ordinary skill also can carry out many improvement and modification, it should be noted that these improve and modify
All fall within the claims of the present invention.
Claims (10)
1. the electric heater water outlet power-off control system preventing misoperation, it is characterised in that including: including:
Can automatically reset three pole leakage protecting plug power lines, electric heater master controller, isolation communication module and
Water flow sensor, described three pole leakage protecting plug power lines are connected in the supply line of electric heater,
Described electric heater master controller is connected with water flow sensor and is leaked electricity by isolation communication module and three poles
Protection power cord plug connects, and the signal that electric heater master controller provides according to water flow sensor controls three
Three poles of pole leakage protecting plug power line disconnect, Guan Bi.
Electric heater water outlet power-off control system the most according to claim 1, it is characterised in that described electric heating
Hydrophone master controller includes: single-chip microcomputer, the first relay, the second relay, can discharge and recharge power module,
Power detecting module and hardware electrification reset module；
Described first relay is connected to the L pole of three pole leakage protecting plug power lines and the electric heater of electric heater
Between positive pole；
Described second relay is connected to the N pole of three pole leakage protecting plug power lines and the electric heater of electric heater
Between negative pole；
Described water flow sensor is connected with single-chip microcomputer；
Described single-chip microcomputer and the first relay, the second relay signal connect；
Described isolation communication module is connected with single-chip microcomputer, three pole leakage protecting plug power line signal, and according to monolithic
The instruction that machine sends controls three poles of three pole leakage protecting plug power lines and is opened or closed；
Described power module is connected to the current output terminal of three pole leakage protecting plug power lines and passes through power detecting
Module, hardware electrification reset module are connected with single-chip microcomputer；
Described power module include can the battery module of discharge and recharge or capacitance module, when switching on power, power supply mould
Block is powered simultaneously to internal battery module or capacitance module charging to electric heater master controller, in accident
When power failure or actively power-off, by power detecting module, single-chip microcomputer detects that power supply disconnects, then start power supply mould
Battery module or capacitance module in block are powered, and enter the power down dormancy of low-power consumption after preserving current data
Pattern；
When power supply recloses, by hardware electrification reset module resets single-chip microcomputer, single-chip microcomputer passes through power detecting
After module detection power supply Guan Bi, rework after recovering the data before power-off；
Described power detecting module is connected with single-chip processor i/o mouth, and single-chip microcomputer reads power detecting module by I/O mouth and sends out
The signal sent i.e. can determine whether connection and the Guan Bi of power supply；
Described hardware electrification reset module, when power on, sends specific reset signal pulse to single-chip microcomputer and makes list
Sheet machine resets.
Electric heater water outlet power-off control system the most according to claim 2, it is characterised in that in electric hot water
Connect on device master controller and have Operation display module, Operation display module is provided with the button of man-machine interaction
Head is received with infrared remote controller signal.
Electric heater water outlet power-off control system the most according to claim 1, it is characterised in that described isolation
Communication module is the photoelectrical coupler of isolation and the communication that can realize strong and weak electricity.
Electric heater water outlet power-off control system the most according to claim 1, it is characterised in that leak in three poles
The outfan of electric protection power cord plug connects thermal circuit beraker.
Electric heater water outlet power-off control system the most according to claim 1, it is characterised in that described current
Quantity sensor is arranged on water inlet water route or the water outlet water route of electric heater, by valve body, water flow rotor assembly and
Hall element forms.
Electric heater water outlet power-off control system the most according to claim 1, it is characterised in that described isolation
Communication module is arranged on electric heater fuselage or on three pole leakage protecting plug power lines or be integrated in single-chip microcomputer
On.
Electric heater water outlet power-off control system the most according to claim 1, it is characterised in that described isolation
It is connected by connection between communication module with electric heater master controller, three pole leakage protecting plug power lines；
Or, logical between described isolation communication module and electric heater master controller, three pole leakage protecting plug power lines
Cross wireless communication module communication.
Electric heater water outlet power-off control system the most according to claim 1, it is characterised in that when user beats
When opening the outlet valve of electric heater, current flow through water flow sensor, and water flow sensor exports the signal of telecommunication,
The signal of telecommunication calculates the size of discharge after being detected by electric heater master controller, if discharge is more than threshold value bar
Part, then send power-off signal by optical coupling module, make leakage protecting plug power line three pole disconnect；
After master controller sends power-off signal, whether single-chip microcomputer is disconnected by power detecting module detection power supply, if disconnected
Opening, master controller enters low-power consumption power consumption park mode, automatically wakens up in dormancy certain time and again detects
Water flow signal, if detecting, discharge is again introduced into dormancy, the most repeatedly dormancy awakening detection, until water
Flow signal disappears or less than threshold condition, and delay a period of time sends closure signal by isolation communication module,
Leakage protecting plug three pole is made to close；
Under power on state, water-flow signal detected, send power-off signal, if after repeatedly sending power-off signal,
By power detecting module, single-chip microcomputer detects that power supply does not all disconnect, master controller display fault alarm code.
Electric heater water outlet power-off control system the most according to claim 9, it is characterised in that in electric leakage
After protection plug three pole disconnects, master controller does not enter resting state and persistently detects water flow signal, in display
Gallbladder current water temperature, until water flow signal disappears or less than after threshold condition, sends closure signal, makes electric leakage
Protection plug three pole Guan Bi.
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| CN201610524701.4A CN105972832B (en) | 2016-07-05 | 2016-07-05 | Electric water heater water outlet power-off control system capable of preventing misoperation |
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| CN201610524701.4A CN105972832B (en) | 2016-07-05 | 2016-07-05 | Electric water heater water outlet power-off control system capable of preventing misoperation |
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| CN106440393A (en) * | 2016-12-02 | 2017-02-22 | 余姚市嘉荣电子电器有限公司 | Intelligent effluent outage control system and method |
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| CN106839445B (en) * | 2017-03-09 | 2023-08-22 | 广东万家乐燃气具有限公司 | Power-on and power-off control system of electric water heater |
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| CN107166736A (en) * | 2017-05-25 | 2017-09-15 | 广东万家乐燃气具有限公司 | A kind of electric heater low-power consumption detection shows system and method |
| CN106998017A (en) * | 2017-05-25 | 2017-08-01 | 浙江明佳环保科技有限公司 | A kind of electric heater power-off bathing protection socket |
| CN109210765A (en) * | 2017-06-29 | 2019-01-15 | 芜湖美的厨卫电器制造有限公司 | Electric heater and its fault detection means |
| CN107152788B (en) * | 2017-07-20 | 2022-09-02 | 广东万家乐燃气具有限公司 | Electric water heater control system and electric water heater |
| CN107152788A (en) * | 2017-07-20 | 2017-09-12 | 广东万家乐燃气具有限公司 | Control system of electric water heater and electric heater |
| CN107328110A (en) * | 2017-07-27 | 2017-11-07 | 浙江新涛电子科技股份有限公司 | Pulsed water outlet power-off control circuit |
| CN107328110B (en) * | 2017-07-27 | 2020-06-02 | 浙江新涛电子科技有限公司 | Pulse type water outlet power-off control circuit |
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| WO2021212860A1 (en) * | 2020-04-24 | 2021-10-28 | 上海商汤临港智能科技有限公司 | Vehicle door control method, vehicle, system, electronic device, and storage medium |
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