CN105910291B - A kind of control system of electric water heater intelligently powered off - Google Patents
A kind of control system of electric water heater intelligently powered off Download PDFInfo
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- CN105910291B CN105910291B CN201610383306.9A CN201610383306A CN105910291B CN 105910291 B CN105910291 B CN 105910291B CN 201610383306 A CN201610383306 A CN 201610383306A CN 105910291 B CN105910291 B CN 105910291B
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- power supply
- power
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- pole
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention discloses a kind of control system of electric water heater intelligently powered off; it include: self-resetting three pole leakage protecting plug power supply line; single-chip microcontroller; electric heater, the first relay, the second relay; for realizing the strong and weak isolation communication module being electrically isolated and communicate; can charge and discharge power module, power detection module and hardware electrification reset module.When work; communication module is isolated by remote controler, fuselage key or the remote control terminal triggering connected with single-chip microcontroller; make that communication module sending power-off or closure signal is isolated; the disconnection and closure on three pole leakage protecting plug power supply lines, three pole (zero fire ground) can be realized; avoid the more difficult operation of user that pinnacled leakage protecting plug power supply line is installed; guarantee user security bathing, it is easy to operate.
Description
Technical field
The present invention relates to electric heater safety control technology field more particularly to a kind of electric heater controls intelligently powered off
System.
Background technique
After the prior art is collected into the useful water behavior of user by water flow sensor, electric heating is driven by logic control
Device power-off, ensure that user will not be got an electric shock due to electric leakage.But since earth leakage circuit-breaker power supply line, controller still charge,
And part electric leakage accident is can not thoroughly to guarantee user's bathing safety, there are safety since imperfect earth or ground wire electrification cause
Risk.
To improve security performance, the test key that certain customers press leakage protecting plug before bathing makes three pole of electric heater
(zero, fire, ground wire) disconnects, and needs the reset button for pressing leakage protecting plug that could be powered to electric heater after bathing is complete, part
Family's electric heater is mounted on a high position, leads to operating difficulties, and there are bad experience.
Existing electric leakage protection technology mostly uses passive down techniques, i.e., electric leakage only occurs and leaks electricity just to break when being detected
Switch power supply.Leakage protecting plug work in bathroom wet environment, cause reliability unstable, there are current leakage detection system failure and
The risk of buckle releaser damage.
Summary of the invention
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide can make when a kind of easy to operate, bathing
The control system of electric water heater that electric heater, controller, three pole leakage protecting plug power supply lines all power off.
To achieve the above objectives, the present invention adopts the following technical scheme that.
A kind of control system of electric water heater intelligently powered off characterized by comprising self-resetting three pole electric leakage is protected
Protect power cord plug, single-chip microcontroller, electric heater, the first relay, the second relay, for realizing what power was electrically isolated and communicated
Communication module is isolated, can charge and discharge power module, power detection module and hardware electrification reset module；
The three pole leakage protecting plug power supply line is connected in the power supply line of electric heater；
First relay is connected between the pole L of three pole leakage protecting plug power supply lines and electric heater anode, institute
The second relay is stated to be connected between the pole N and electric heater cathode of three pole leakage protecting plug power supply lines, the single-chip microcontroller with
First relay, the connection of the second relay signal；
The isolation communication module is connect with single-chip microcontroller, three pole leakage protecting plug power line signals, and according to single-chip microcontroller
Three poles of the instruction three pole leakage protecting plug power supply lines of control of sending are opened or closed；
The power module is connected to the current output terminal of three pole leakage protecting plug power supply lines and by power detecting mould
Block, hardware electrification reset module are connect with single-chip microcontroller.
As with improvement, the isolation communication module is the photoelectrical coupler for being able to achieve isolation and the communication of strong and weak electricity.
It is logical as passing through with improvement, between the isolation communication module and single-chip microcontroller, three pole leakage protecting plug power supply lines
Interrogate line connection；
Or, passing through wireless telecommunications mould between the isolation communication module and single-chip microcontroller, three pole leakage protecting plug power supply lines
Block communication.
As with improvement, the isolation communication module is arranged on electric heater fuselage or three pole leakage protecting plug power supplys
On line or it is integrated on single-chip microcontroller.
As with improvement, when powering on, power module is powered while charging to single-chip microcontroller；In accidental power failure or
When actively powering off, single-chip microcontroller by power detection module detect power supply disconnect, then starting can charge and discharge power module power supply,
And save the power down suspend mode for entering low-power consumption after current data；When power supply recloses, pass through hardware electrification reset mould
Block reset single-chip microcontroller, after single-chip microcontroller detects that power supply is closed by power detection module, work again after the data before restoring power-off
Make.
As with improvement, the power detection module is connect with single-chip processor i/o mouth, and single-chip microcontroller passes through I/O mouthfuls of reading power supplys
The signal that detection module is sent is the connection and closure that can determine whether power supply.
As with improvement, display screen and master control borad are connected on single-chip microcontroller, equipped with human-computer interaction on master control borad
Key and infrared remote controller signal receive head.
As with improvement, liner temperature sensor is connected on single-chip microcontroller.
As with improvement, when work, power-off signal or closure signal is sent by triggering isolation communication module, protect electric leakage
Shield power cord plug is opened or closed；
Be isolated communication module send power-off signal after, whether monolithic machine testing power supply disconnects, if power supply disconnect single-chip microcontroller into
Enter low-power consumption power down suspend mode；If sending single-chip microcontroller in a period of time in power-off signal is not detected power supply disconnection, isolation is logical
News module sends power-off signal again, if power supply disconnection is repeatedly not detected in interval, single-chip microcontroller, which issues, alarms and show failure
Code；
After communication module transmission closure signal is isolated, whether monolithic machine testing power supply is closed, if detecting power up
Single-chip microcontroller restores normal mode of operation；If closure signal sends single-chip microcontroller in a period of time and power supply closure is not detected, isolation is logical
News module sends closure signal again, if power supply closure is repeatedly not detected in interval, single-chip microcontroller enters low-power consumption power down suspend mode
Mode.
As with improvement, the trigger signal of the isolation communication module is by the remote controler, the fuselage key that connect with single-chip microcontroller
Or remote control terminal issues.
The beneficial effects of the present invention are:
One, it avoids the more difficult operation of user that pinnacled leakage protecting plug power supply line is installed, realizes that user passes through operation electricity
Water heater can make three pole of leakage protecting plug power supply line (zero fire ground) disconnect and be closed, and guarantee user security bathing, operation side
Just.
Two, by introduce power detection module and hardware electrification reset module can real-time monitoring power supply power supply situation, electric heating
Hydrophone control system operation it is more stable and reliable, in power loss, control system of electric water heater enter dormant state can save it is standby
With power supply electric energy, extends and use the time.
Three, by introducing the function of leakage protecting plug power supply X -ray inspection X power-off, when leakage protecting plug breaks down,
Display screen shows that fault code prompt user repairs.
Detailed description of the invention
Fig. 1 show control system of electric water heater structural schematic diagram provided by the invention.
Description of symbols:
1: three pole leakage protecting plug power supply line, 2: single-chip microcontroller, 3: electric heater, 4: the first relays, 5: the second relays
Device, 6: isolation communication module, 7: power module, 8: power detection module, 9: hardware electrification reset module, 10: display screen and master
Control plate, 11: liner temperature sensor.
Specific embodiment
Essence of the invention is more fully understood for convenience of those skilled in the art, with reference to the accompanying drawing to of the invention specific
Embodiment is described in detail.
As shown in Figure 1, a kind of control system of electric water heater intelligently powered off, comprising: self-resetting three pole electric leakage is protected
Protect power cord plug 1, single-chip microcontroller 2, electric heater 3, the first relay 4, the second relay 5, for realize it is strong and weak be electrically isolated and
The isolation communication module 6 of communication, can charge and discharge power module 7, power detection module 8 and hardware electrification reset module 9.
Wherein, the three pole leakage protecting plug power supply line 1 is connected in the power supply line of electric heater.Described first after
Electric appliance 4 is connected between 3 anode of the pole L and electric heater of three pole leakage protecting plug power supply lines 1.Second relay 5 connects
It connects between 3 cathode of the pole N and electric heater of three pole leakage protecting plug power supply lines 1.The single-chip microcontroller 2 and the first relay 4,
The connection of second relay, 5 signal.The isolation communication module 6 connects with single-chip microcontroller 2, three pole leakage protecting plug power supply lines, 1 signal
It connects.The power module 7 be connected to the current output terminal of three pole leakage protecting plug power supply lines 1 and by power detection module 8,
Hardware electrification reset module 9 is connect with single-chip microcontroller 2.
The isolation communication module 6 is the photoelectrical coupler for being able to achieve isolation and the communication of strong and weak electricity, is arranged in electric hot water
On device fuselage, it is isolated between communication module 6 and single-chip microcontroller 2, three pole leakage protecting plug power supply lines 1 and is connected by connection.?
In other embodiments, the isolation communication module is arranged on three pole leakage protecting plug power supply lines or is integrated in single-chip microcontroller
On；It is isolated between communication module and single-chip microcontroller, three pole leakage protecting plug power supply lines and is communicated by wireless communication module, such as is logical
Cross WiFi module, bluetooth module or Modbus module communication etc.；Photoelectrical coupler, which can be used, other similar may be implemented power
The device for being electrically isolated communication replaces, and is not limited to the present embodiment.
Have inside the power module 7 can charge and discharge battery module or farad capacitor module.When powering on, electricity
Source module 7 powers to single-chip microcontroller 2 while to internal battery module or farad capacitor charging, after power supply disconnection, power supply mould
Block 7 is powered by battery or farad capacitor to single-chip microcontroller 2.
The power detection module 8, hardware reset module 9 are connect with the I/O of single-chip microcontroller 2 mouth, and single-chip microcontroller 2 passes through I/O mouthfuls
Reading the signal that power detection module 8 is sent is the connection and closure that can determine whether power supply, when power supply is connected, hardware reset module
9, which send specific reset signal pulse to single-chip microcontroller 2 by I/O mouthfuls, makes single-chip microcontroller 2 reset work.
Concrete operating principle are as follows: when powering on, power module 7 is powered while charging to single-chip microcontroller 2；Take notice of
Outer power failure or when actively power off, single-chip microcontroller 2 detects power supply disconnection by power detection module 8, then start can charge and discharge electricity
Source module 7 is powered, and saves the power down suspend mode for entering low-power consumption after current data.When power supply recloses, by hard
Part electrification reset module 9 resets single-chip microcontroller 2 and restores power-off after single-chip microcontroller 2 detects power supply closure by power detection module 8
It reworks after preceding data.
Control method is as follows: being isolated by remote controler, fuselage key or the remote control terminal triggering connected with single-chip microcontroller 2
Communication module 6 makes that the sending of communication module 6 power-off or closure signal is isolated.
After the transmission power-off signal of communication module 6 is isolated, single-chip microcontroller 2 detects whether power supply disconnects by power detection module 8,
If power supply disconnects, single-chip microcontroller 2 enters low-power consumption power down suspend mode；If single-chip microcontroller 2 is not in power-off signal sends a period of time
Detect that power supply disconnects, isolation communication module 6 sends power-off signal again, single if power supply disconnection is repeatedly not detected in interval
Piece machine 2, which issues, alarms and shows fault code.
After the transmission closure signal of communication module 6 is isolated, single-chip microcontroller 2 detects whether power supply is closed by power detection module 8,
Restore normal mode of operation if detecting power up；If closure signal sends single-chip microcontroller 2 in a period of time and electricity is not detected
Source closure, isolation communication module 6 send closure signal again, if power supply closure is repeatedly not detected in interval, single-chip microcontroller 2 enters
Low-power consumption power down suspend mode.
Further, display screen and master control borad 10 are connected on single-chip microcontroller 2, display screen is used to show current water heater work
Make state, master control borad is equipped with the key of human-computer interaction and infrared remote controller signal receives head.
Further, it is also connected with liner temperature sensing 11, on single-chip microcontroller 2 so as to automatic according to liner temperature change
Control the on-off of three pole leakage protecting plug power supply lines 1.
The above specific embodiment is described in detail for the essence of the present invention, but can not be come with this to of the invention
Protection scope is limited.It should be evident that under the inspiration of the essence of the present invention, those of ordinary skill in the art can also be into
The many improvement and modification of row, it should be noted that these improvement and modification all fall in claims of the invention it
It is interior.
Claims (8)
1. a kind of control system of electric water heater intelligently powered off characterized by comprising self-resetting three pole earth leakage protective
Power cord plug, single-chip microcontroller, electric heater, the first relay, the second relay, for realize it is strong and weak be electrically isolated and communication every
From communication module, can charge and discharge power module, power detection module and hardware electrification reset module；
The three pole leakage protecting plug power supply line is connected in the power supply line of electric heater；
First relay is connected between the pole L of three pole leakage protecting plug power supply lines and electric heater anode, and described the
Two relays are connected between the pole N and electric heater cathode of three pole leakage protecting plug power supply lines, the single-chip microcontroller and first
Relay, the connection of the second relay signal；It is also connected with display screen and master control borad on single-chip microcontroller, is equipped on master control borad man-machine
The key and infrared remote controller signal of interaction receive head；
The isolation communication module connect with single-chip microcontroller, three pole leakage protecting plug power line signals, and is issued according to single-chip microcontroller
Instruction control three pole leakage protecting plug power supply lines three poles be opened or closed；
The power module be connected to the current output terminal of three pole leakage protecting plug power supply lines and by power detection module,
Hardware electrification reset module is connect with single-chip microcontroller；
Power-off signal or closure signal are sent by triggering isolation communication module, leakage protecting plug power supply line is made to disconnect or close
It closes；
Be isolated communication module send power-off signal after, whether monolithic machine testing power supply disconnects, if power supply disconnect single-chip microcontroller enter it is low
Power consumption power down suspend mode；If sending single-chip microcontroller in a period of time in power-off signal is not detected power supply disconnection, isolation communication mould
Block sends power-off signal again, if power supply disconnection is repeatedly not detected in interval, single-chip microcontroller, which issues, alarms and show fault code；
After communication module transmission closure signal is isolated, whether monolithic machine testing power supply is closed, the monolithic if detecting power up
Machine restores normal mode of operation；If closure signal sends single-chip microcontroller in a period of time and power supply closure, isolation communication mould is not detected
Block sends closure signal again, if power supply closure is repeatedly not detected in interval, single-chip microcontroller enters low-power consumption power down suspend mode.
2. a kind of control system of electric water heater intelligently powered off according to claim 1, which is characterized in that the isolation is logical
Interrogating module is the photoelectrical coupler for being able to achieve isolation and the communication of strong and weak electricity.
3. a kind of control system of electric water heater intelligently powered off according to claim 1, which is characterized in that the isolation is logical
It interrogates and is connected between module and single-chip microcontroller, three pole leakage protecting plug power supply lines by connection；
Or, logical by wireless communication module between the isolation communication module and single-chip microcontroller, three pole leakage protecting plug power supply lines
News.
4. a kind of control system of electric water heater intelligently powered off according to claim 1, which is characterized in that the isolation is logical
News module is arranged on electric heater fuselage or on three pole leakage protecting plug power supply lines or is integrated on single-chip microcontroller.
5. a kind of control system of electric water heater intelligently powered off according to claim 1, which is characterized in that
When powering on, power module is powered while charging to single-chip microcontroller；
In accidental power failure or when actively powering off, single-chip microcontroller detects that power supply disconnects by power detection module, then starting can charge and discharge
The power module power supply of electricity, and save the power down suspend mode for entering low-power consumption after current data；
When power supply recloses, by hardware electrification reset module resets single-chip microcontroller, single-chip microcontroller is examined by power detection module
After measuring power supply closure, rework after the data before restoring power-off.
6. a kind of control system of electric water heater intelligently powered off according to claim 1 or 5, which is characterized in that the electricity
Source detection module is connect with single-chip processor i/o mouth, and single-chip microcontroller reads the signal that power detection module is sent by I/O mouthfuls and can determine whether
The connection and closure of power supply.
7. a kind of control system of electric water heater intelligently powered off according to claim 1, which is characterized in that on single-chip microcontroller
It is connected with liner temperature sensor.
8. a kind of control system of electric water heater intelligently powered off according to claim 1, which is characterized in that the isolation is logical
The trigger signal for interrogating module is issued by the remote controler, fuselage key or remote control terminal connecting with single-chip microcontroller.
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| CN201610383306.9A CN105910291B (en) | 2016-05-31 | 2016-05-31 | A kind of control system of electric water heater intelligently powered off |
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| CN201610383306.9A CN105910291B (en) | 2016-05-31 | 2016-05-31 | A kind of control system of electric water heater intelligently powered off |
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| CN105910291B true CN105910291B (en) | 2019-08-13 |
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| CN106225250A (en) * | 2016-09-06 | 2016-12-14 | 广东万家乐燃气具有限公司 | A kind of control system of electric water heater of tape relay fault feedback function |
| CN106482354A (en) * | 2016-11-28 | 2017-03-08 | 广东万家乐燃气具有限公司 | A kind of electric heater water outlet power-off and earth leakage protective device |
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| CN108011256B (en) * | 2016-12-20 | 2023-10-27 | 芜湖美的厨卫电器制造有限公司 | Leakage protection plug and electric water heater |
| CN106500358A (en) * | 2016-12-22 | 2017-03-15 | 佛山市顺德区奥荣电器实业有限公司 | A kind of electric heater security protection system and a kind of electric heater |
| 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 |
| CN106911176B (en) * | 2017-03-24 | 2023-05-05 | 广东万家乐燃气具有限公司 | Electric water heater safety device with self-powered function |
| CN106969506A (en) * | 2017-04-27 | 2017-07-21 | 广东万家乐燃气具有限公司 | A kind of control system of electric water heater communicated with leakage protecting plug |
| 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 |
| CN107270545A (en) * | 2017-06-14 | 2017-10-20 | 广东万家乐燃气具有限公司 | A kind of electric heater security system of the pole of gesture induction three power-off |
| CN107270548B (en) * | 2017-08-08 | 2023-06-16 | 广东万家乐燃气具有限公司 | Overtemperature protection control system and electric water heater |
| CN110388753B (en) * | 2019-07-04 | 2021-05-14 | 广东万家乐燃气具有限公司 | Electric water heater does not have washing control system, intelligent gondola water faucet and electric water heater |
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