CN106225250A - A kind of control system of electric water heater of tape relay fault feedback function - Google Patents
A kind of control system of electric water heater of tape relay fault feedback function Download PDFInfo
- Publication number
- CN106225250A CN106225250A CN201610805536.XA CN201610805536A CN106225250A CN 106225250 A CN106225250 A CN 106225250A CN 201610805536 A CN201610805536 A CN 201610805536A CN 106225250 A CN106225250 A CN 106225250A
- Authority
- CN
- China
- Prior art keywords
- relay
- chip microcomputer
- pole
- leakage protecting
- protecting plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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 present invention discloses the control system of electric water heater of a kind of tape relay fault feedback function; including: the three pole leakage protecting plug power lines can automatically disconnect, resetted; single-chip microcomputer; electric heater; relay; it is used for realizing strong and weak electricity isolation and the isolation communication module of communication, and relay feedback circuit；Described three pole leakage protecting plug power lines are connected in the supply line of electric heater；Described relay is connected between three pole leakage protecting plug power lines and electric heater；Described single-chip microcomputer is connected with relay signal by drive circuit, is used for controlling adhesive or the disconnection of relay；Described isolation communication module is connected with single-chip microcomputer, three pole leakage protecting plug power line signal；Described relay feedback circuit is connected between relay and single-chip microcomputer.When relay in use breaks down and can not normally disconnect, automatically cut off the power supply of electric heater, it is ensured that user uses safety.
Description
Technical field
The present invention relates to electric hot water and control technical field, particularly relate to the electric hot water of a kind of tape relay fault feedback function
Device control system.
Background technology
Prior art is to be realized adhesive or the disconnection of relay by Single-chip Controlling drive circuit, and electric heater is succeeded
The input/output terminal of electrical equipment, single-chip microcomputer controls adhesive and the disconnection of relay by drive circuit, indirectly controls electric heater
Conducting and closedown.But when load instantaneous is connected, can produce the dash current being several times as much as operating current, dash current easily makes to continue
Appliance contact occurs melted and glues glutinous, causes loading uncontrolled and can not normally disconnecting, there is potential safety hazard.
Summary of the invention
For problems of the prior art, it is an object of the invention to provide a kind of safety good, tape relay
The control system of electric water heater of fault feedback function.
For reaching object above, the present invention adopts the following technical scheme that.
The control system of electric water heater of a kind of tape relay fault feedback function, it is characterised in that including: can be from dynamic circuit breaker
The three pole leakage protecting plug power lines open, resetted, single-chip microcomputer, electric heater, relay, it is used for realizing strong and weak electricity isolation and leading to
The isolation communication module of news, and relay feedback circuit；Described three pole leakage protecting plug power lines are connected to electric heater
Supply line on；Described relay is connected between three pole leakage protecting plug power lines and electric heater, is used for controlling electricity
The connecting and disconnecting of the circuit of heater；Described single-chip microcomputer is connected with relay signal by drive circuit, is used for controlling the adhesive of relay
Or disconnect；Described isolation communication module is connected with single-chip microcomputer, three pole leakage protecting plug power line signal, and sends out according to single-chip microcomputer
The instruction gone out controls three poles of three pole leakage protecting plug power lines and is opened or closed；Described relay feedback circuit is connected to continue
Between electrical equipment and single-chip microcomputer.
As with improvement, described relay includes that the first relay and the second relay, described first relay are connected to
Between L pole and the electric heater positive pole of three pole leakage protecting plug power lines, described second relay is connected to three pole electric leakages and protects
Protect between the N pole of power cord plug and electric heater negative pole, described single-chip microcomputer by drive circuit and the first relay, second continue
Electrical signal connects, and is used for controlling the first relay, the adhesive of the second relay or disconnection, and described relay feedback circuit is simultaneously
It is connected with the first relay, the second relay.
As with improvement, described isolation communication module is the photoelectrical coupler of isolation and the communication that can realize strong and weak electricity.
As with improvement, by logical between described isolation communication module and single-chip microcomputer, three pole leakage protecting plug power lines
News line connects；Or, by wireless telecommunications mould between described isolation communication module and single-chip microcomputer, three pole leakage protecting plug power lines
Block communication.
As with improvement, described isolation communication module is arranged on electric heater fuselage or three pole leakage protecting plug power supplys
On line or be integrated on single-chip microcomputer.
As with improvement, described wireless communication module is RF radio-frequency module, Modbus communication module, ZigBee communication mould
Block, bluetooth communication or WiFi communication module.
As with improvement, single-chip microcomputer connects and has display screen and master control borad, master control borad is provided with man-machine interaction
Button and infrared remote controller signal receive head.
As with improvement, during relay work, single-chip microcomputer controls relay adhesive by drive circuit, and relay is inhaled
After conjunction, relay feedback circuit sends feedback signal to single-chip microcomputer, and control system of electric water heater normally works；When single-chip microcomputer passes through
Drive circuit makes relay disconnect, and after relay disconnects, relay feedback signal disappears, after single-chip microcomputer detects, it is determined that system is
Normal operating conditions；When relay contact occurs viscous glutinous, single-chip microcomputer controls relay by drive circuit and disconnects, relay because of
Viscous the sticking in contact cannot disconnect, and relay feedback circuit continues to send feedback signal, after single-chip microcomputer detects to single-chip microcomputer, it is determined that electricity
Water-heater system is abnormal operation, by isolation communication module and three pole leakage protecting plug power line communication, makes three poles
Leakage protecting plug power line trips, and water heater power supply three pole disconnects.
The invention has the beneficial effects as follows:
By arranging relay feedback circuit and the leakage protecting plug automatically cut off；When relay in use goes out
When existing fault can not normally disconnect, feedback circuit transmits signal to single-chip microcomputer, after single-chip microcomputer detects signal, sends cut-offing instruction
Giving leakage guarantor, tripping operation is protected in leakage, cuts off the power supply of electric heater, effectively prevents the generation of the accidents such as electric shock and fire, improve user
Security performance during use.
Accompanying drawing explanation
Fig. 1 show the control system of electric water heater structural representation that the present invention provides.
Description of reference numerals:
1: three pole leakage protecting plug power line, 2: single-chip microcomputer, 3: electric heater, 4: relay, 5: isolation communication module,
6: relay feedback circuit, 7: supply line, 8: display screen and master control borad.
4-1: the first relay, the 4-2: the second relay.
Detailed description of the invention
It is more fully understood that the essence of the present invention, below in conjunction with the accompanying drawings concrete to the present invention for convenience of those skilled in the art
Embodiment is described in detail.
As it is shown in figure 1, the control system of electric water heater of a kind of tape relay fault feedback function, including: can automatically disconnect,
Reset three pole leakage protecting plug power lines 1, single-chip microcomputer 2, electric heater 3, relay 4, be used for realize strong and weak electricity isolation and
The isolation communication module 5 of communication, and relay feedback circuit 6.
Wherein, described three pole leakage protecting plug power lines 1 are connected in the supply line 7 of electric heater.Described relay
Device 4 is connected between three pole leakage protecting plug power lines 1 and electric heater 3, is used for controlling the connecting and disconnecting of the circuit of electric heater 3.
Described single-chip microcomputer 2 is connected with relay 4 signal by drive circuit, is used for controlling adhesive or the disconnection of relay 4.Described isolation
Communication module 5 is connected with single-chip microcomputer 2, three pole leakage protecting plug power line 1 signal, and the instruction control sent according to single-chip microcomputer 2
Three poles making three pole leakage protecting plug power lines 1 are opened or closed；Described relay feedback circuit 6 be connected to relay 4 with
Between single-chip microcomputer 2, for the duty of feddback relay device 4.
During real work, single-chip microcomputer 2 controls relay 4 adhesive by drive circuit, and after relay 4 adhesive, relay is anti-
Current feed circuit 6 sends feedback signal to single-chip microcomputer 2, and control system of electric water heater normally works.When single-chip microcomputer 2 is made by drive circuit
Relay 4 disconnects, and after relay 4 disconnects, relay feedback signal disappears, after single-chip microcomputer 2 detects, it is determined that system is normal work
Make state；When viscous sticking occurs in relay 4 contact, single-chip microcomputer 2 controls relay 4 by drive circuit and disconnects, and relay 4 is because touching
Viscous the sticking of point cannot disconnect, and relay feedback circuit 6 continues to send feedback signal to single-chip microcomputer 2, after single-chip microcomputer 2 detects, it is determined that
Electric water heater system is abnormal operation, by isolation communication module 5 and three pole leakage protecting plug power line 1 communications, makes
Three pole leakage protecting plug power lines 1 trip, and water heater power supply three pole disconnects, and ensure the use safety of water heater.
In the present embodiment, preferably relay 4 includes the first relay 4-1 and the second relay 4-2, described first relay
4-1 is connected between L pole and the electric heater positive pole of three pole leakage protecting plug power lines, and described second relay 4-2 connects
Between N pole and the electric heater negative pole of three pole leakage protecting plug power lines, described single-chip microcomputer 2 is by drive circuit and first
Relay 4-1, the second relay 4-2 signal connect, and are used for controlling the first relay 4-1, the adhesive of the second relay 4-2 or disconnected
Opening, described relay feedback circuit 6 is connected with the first relay 4-1, the second relay 4-2 simultaneously.Here, use two to continue
The benefit that electrical equipment is combined is to be effectively improved the service life of safety and electric hot water.
Described isolation communication module 5 is the photoelectrical coupler of isolation and the communication that can realize strong and weak electricity.Isolated by triggering
Communication module 5 sends power-off signal or closure signal, makes leakage protecting plug power line 1 be opened or closed, described isolation communication
The triggering signal of module 5 is in addition to automatically being sent by single-chip microcomputer, it is also possible to by the remote controller being connected with single-chip microcomputer, fuselage button or
Remote control terminal sends.
For avoiding the line of complexity, described isolation communication module 5 is arranged on electric heater fuselage. described isolation communication mould
Radio communication is carried out by WiFi module between block 5 and single-chip microcomputer 2, three pole leakage protecting plug power line 1.Other embodiment party
In formula, described isolation communication module is arranged on three pole leakage protecting plug power lines or is integrated on single-chip microcomputer；Described isolation
Also connection, bluetooth module, Modbus mould can be passed through between communication module and single-chip microcomputer, three pole leakage protecting plug power lines
Other wireless communication module communications such as block, ZigBee module, are not limited to the present embodiment.
Further, single-chip microcomputer 2 connects and has display screen and master control borad 8, master control borad is provided with man-machine interaction
Button and infrared remote controller signal receive head, in order to realize the Non-follow control of electric heater.
The essence of the present invention has been described in detail by above detailed description of the invention, but can not come the present invention's with this
Protection domain limits.It should be evident that under the enlightenment of essence of the present invention, the art those of ordinary skill also can enter
Row many improve and modify, it should be noted that these improve and modify all fall the present invention claims it
In.
Claims (8)
1. the control system of electric water heater of a tape relay fault feedback function, it is characterised in that including: can automatically disconnect,
The three pole leakage protecting plug power lines resetted, single-chip microcomputer, electric heater, relay, it is used for realizing strong and weak electricity isolation and communication
Isolation communication module, and relay feedback circuit；
Described three pole leakage protecting plug power lines are connected in the supply line of electric heater；
Described relay is connected between three pole leakage protecting plug power lines and electric heater, is used for controlling the electricity of electric heater
Road break-make；
Described single-chip microcomputer is connected with relay signal by drive circuit, is used for controlling adhesive or the disconnection of relay；Described every
It is connected with single-chip microcomputer, three pole leakage protecting plug power line signal from communication module, and the instruction sent according to single-chip microcomputer controls
Three poles of three pole leakage protecting plug power lines are opened or closed；
Described relay feedback circuit is connected between relay and single-chip microcomputer.
A kind of control system of electric water heater the most according to claim 1, it is characterised in that described relay includes that first continues
Electrical equipment and the second relay, described first relay with electric heater is just being connected to the L pole of three pole leakage protecting plug power lines
Between pole, described second relay is connected between N pole and the electric heater negative pole of three pole leakage protecting plug power lines, described
Single-chip microcomputer is connected by drive circuit and the first relay, the second relay signal, is used for controlling the first relay, the second relay
The adhesive of device or disconnection, described relay feedback circuit is connected with the first relay, the second relay simultaneously.
A kind of control system of electric water heater the most according to claim 1, it is characterised in that described isolation communication module is energy
Realize the isolation of strong and weak electricity and the photoelectrical coupler of communication.
A kind of control system of electric water heater the most according to claim 1, it is characterised in that described isolation communication module and list
Connected by connection between sheet machine, three pole leakage protecting plug power lines；
Or, led to by wireless communication module between described isolation communication module and single-chip microcomputer, three pole leakage protecting plug power lines
News.
A kind of control system of electric water heater 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 on single-chip microcomputer.
A kind of control system of electric water heater the most according to claim 4, it is characterised in that described wireless communication module is RF
Radio-frequency module, Modbus communication module, ZigBee communication module, bluetooth communication or WiFi communication module.
A kind of control system of electric water heater the most according to claim 1, it is characterised in that connect on single-chip microcomputer and have display
Screen and master control borad, the button and the infrared remote controller signal that are provided with man-machine interaction on master control borad receive head.
A kind of control system of electric water heater the most according to claim 1, it is characterised in that during relay work, single
Sheet machine controls relay adhesive by drive circuit, and after relay adhesive, relay feedback circuit sends feedback letter to single-chip microcomputer
Number, control system of electric water heater normally works；When single-chip microcomputer makes relay disconnect by drive circuit, relay after relay disconnection
Device feedback signal disappears, after single-chip microcomputer detects, it is determined that system is normal operating conditions；When there is viscous sticking in relay contact,
Single-chip microcomputer controls relay by drive circuit and disconnects, and relay sticks cannot disconnect because contact is viscous, and relay feedback circuit continues
Feedback signal is sent to single-chip microcomputer, after single-chip microcomputer detects, it is determined that electric water heater system is abnormal operation, logical by isolation
News module and three pole leakage protecting plug power line communication, make three pole leakage protecting plug power line tripping operations, water heater power supply three
Pole disconnects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610805536.XA CN106225250A (en) | 2016-09-06 | 2016-09-06 | A kind of control system of electric water heater of tape relay fault feedback function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610805536.XA CN106225250A (en) | 2016-09-06 | 2016-09-06 | A kind of control system of electric water heater of tape relay fault feedback function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106225250A true CN106225250A (en) | 2016-12-14 |
Family
ID=58074476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610805536.XA Pending CN106225250A (en) | 2016-09-06 | 2016-09-06 | A kind of control system of electric water heater of tape relay fault feedback function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106225250A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107167181A (en) * | 2017-05-26 | 2017-09-15 | 广东万家乐燃气具有限公司 | The intelligent automation detection method and system of a kind of electric heater |
| CN107178908A (en) * | 2017-04-27 | 2017-09-19 | 广东万家乐燃气具有限公司 | A kind of electric heater communication system of control leakage protecting plug power on/off |
| CN107919655A (en) * | 2017-12-13 | 2018-04-17 | 珠海格力电器股份有限公司 | Control circuit, control method and air-conditioning |
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| US20070205771A1 (en) * | 2006-03-02 | 2007-09-06 | Emerson Electric Co. | Relay controller |
| CN101182956A (en) * | 2007-11-10 | 2008-05-21 | 杨发生 | Intelligent type omnibearing protection, auto-reclosing, multipurpose flowing water type electric water heater |
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| CN105910291A (en) * | 2016-05-31 | 2016-08-31 | 广东万家乐燃气具有限公司 | Electric water heater control system capable of being powered off intelligently |
| CN206191933U (en) * | 2016-09-06 | 2017-05-24 | 广东万家乐燃气具有限公司 | Take electric water heater control system of relay fault feedback function |
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2016
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070205771A1 (en) * | 2006-03-02 | 2007-09-06 | Emerson Electric Co. | Relay controller |
| CN101182956A (en) * | 2007-11-10 | 2008-05-21 | 杨发生 | Intelligent type omnibearing protection, auto-reclosing, multipurpose flowing water type electric water heater |
| CN101609127A (en) * | 2009-07-24 | 2009-12-23 | 美的集团有限公司 | Relay fault detection circuit |
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| CN105910291A (en) * | 2016-05-31 | 2016-08-31 | 广东万家乐燃气具有限公司 | Electric water heater control system capable of being powered off intelligently |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107178908A (en) * | 2017-04-27 | 2017-09-19 | 广东万家乐燃气具有限公司 | A kind of electric heater communication system of control leakage protecting plug power on/off |
| CN107167181A (en) * | 2017-05-26 | 2017-09-15 | 广东万家乐燃气具有限公司 | The intelligent automation detection method and system of a kind of electric heater |
| CN107919655A (en) * | 2017-12-13 | 2018-04-17 | 珠海格力电器股份有限公司 | Control circuit, control method and air-conditioning |
| CN107919655B (en) * | 2017-12-13 | 2023-07-11 | 珠海格力电器股份有限公司 | Control circuit, control method and air conditioner |
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161214 |
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| RJ01 | Rejection of invention patent application after publication |