CN206191933U - Take electric water heater control system of relay fault feedback function - Google Patents
Take electric water heater control system of relay fault feedback function Download PDFInfo
- Publication number
- CN206191933U CN206191933U CN201621041223.3U CN201621041223U CN206191933U CN 206191933 U CN206191933 U CN 206191933U CN 201621041223 U CN201621041223 U CN 201621041223U CN 206191933 U CN206191933 U CN 206191933U
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- relay
- chip microcomputer
- plug power
- communication module
- water heater
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Abstract
The utility model discloses a take electric water heater control system of relay fault feedback function, include: but automatic disconnection, the tripolar leakage protection plug power cord that resets, the singlechip, electric heater, the relay is used for realizing the isolation communication module of strong and weak electrical isolation and communication to and relay feedback circuit, tripolar leakage protection plug power cord is connected on electric water heater's power supply line, the relay is connected between tripolar leakage protection plug power cord and electric heater, the singlechip passes through drive circuit and relay signal connection, is used for the actuation or the disconnection of control relay, keep apart communication module and singlechip, tripolar leakage protection plug power cord signal connection, relay feedback circuit connects between relay and singlechip. Break down in the use can not normally break off the time when the relay, automatic cutout electric water heater's power guarantees that the user is safe in utilization.
Description
Technical field
The utility model is related to electric hot water control technology field, more particularly to a kind of electricity of tape relay failure feedback function
Water heater control system.
Background technology
Prior art is that the adhesive or disconnection of relay are realized by Single-chip Controlling drive circuit, and electric heater is succeeded
The input/output terminal of electrical equipment, adhesive and disconnection that single-chip microcomputer passes through drive circuit control relay, indirect control electric heater
Conducting and closing.But when load instantaneous are connected, the dash current for being several times as much as operating current can be produced, dash current easily make after
There is melting and glue and stick in appliance contact, cause load uncontrolled and can not normally disconnect, and there is potential safety hazard.
Utility model content
For problems of the prior art, the purpose of this utility model be provide that a kind of security is good, band after
The control system of electric water heater of apparatus failure feedback function.
To achieve the above objectives, the utility model is adopted the following technical scheme that.
A kind of control system of electric water heater of tape relay failure feedback function, it is characterised in that including：Can be from dynamic circuit breaker
The three pole leakage protecting plug power lines for open, resetting, single-chip microcomputer, electric heater, relay, for realizing strong and weak electric isolution and leading to
The isolation communication module of news, and relay feedback circuit；The three pole leakage protecting plug power line is connected to electric heater
Supply line on；The relay is connected between three pole leakage protecting plug power lines and electric heater, for controlling electricity
The connecting and disconnecting of the circuit of heater；The single-chip microcomputer is connected by drive circuit with relay signal, for the adhesive of control relay
Or disconnect；The isolation communication module is connected with single-chip microcomputer, three pole leakage protecting plug power line signals, and is sent out according to single-chip microcomputer
Three poles of the instruction three pole leakage protecting plug power lines of control for going out are opened or closed；The relay feedback circuit be connected to after
Between electrical equipment and single-chip microcomputer.
Used as with improvement, the relay includes the first relay and the second relay, and first relay is connected to
Between the L poles of three pole leakage protecting plug power lines and electric heater positive pole, second relay is connected to the electric leakage of three poles and protects
Protect between N poles and the electric heater negative pole of power cord plug, the single-chip microcomputer by drive circuit and the first relay, second after
Electrical signal is connected, and for controlling the adhesive or disconnection of the first relay, the second relay, the relay feedback circuit is simultaneously
It is connected with the first relay, the second relay.
Used as with improvement, the 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 the isolation communication module and single-chip microcomputer, three pole leakage protecting plug power lines
News line connection；Or, passing through wireless telecommunications mould between the isolation communication module and single-chip microcomputer, three pole leakage protecting plug power lines
Block is communicated.
Used 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 microcomputer.
Used as with improvement, the wireless communication module is RF radio-frequency modules, Modbus communication modules, ZigBee communication mould
Block, bluetooth communication or WiFi communication module.
As with improvement, display screen and master control borad are connected with single-chip microcomputer, man-machine interaction is provided with master control borad
Button and infrared remote controller signal receive head.
Used as with improvement, during relay work, single-chip microcomputer is inhaled by drive circuit control relay adhesive, relay
After conjunction, relay feedback circuit sends feedback signal, control system of electric water heater normal work to single-chip microcomputer；When single-chip microcomputer passes through
Drive circuit disconnects relay, and relay feedback signal disappears after relay disconnects, and after single-chip microcomputer is detected, decision-making system is
Normal operating conditions；When relay contact occurs viscous glutinous, single-chip microcomputer is disconnected by drive circuit control relay, relay because
Viscous the sticking in contact cannot disconnect, and relay feedback circuit continues to send feedback signal to single-chip microcomputer, after single-chip microcomputer is detected, judges electricity
Water-heater system is abnormal operation, by isolating communication module and three pole leakage protecting plug power line communications, makes three poles
Leakage protecting plug power line trips, and the pole of water heater power supply three disconnects.
The beneficial effects of the utility model are：
By the leakage protecting plug for setting relay feedback circuit He automatically cut off；When relay goes out in use
When existing failure can not normally disconnect, feedback circuit transmits signal to single-chip microcomputer, after single-chip microcomputer detects signal, sends cut-offing instruction
Leakage guarantor is given, 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, improves user
Security performance when using.
Brief description of the drawings
Fig. 1 show the control system of electric water heater structural representation of the utility model offer.
Description of reference numerals：
1：Three pole leakage protecting plug power lines, 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：First relay, 4-2：Second relay.
Specific embodiment
Essence of the present utility model is more fully understood for convenience of those skilled in the art, it is new to this practicality below in conjunction with the accompanying drawings
The specific embodiment of type is described in detail.
As shown in figure 1, a kind of control system of electric water heater of tape relay failure feedback function, including：Can disconnect automatically,
The three pole leakage protecting plug power lines 1 for resetting, single-chip microcomputer 2, electric heater 3, relay 4, for realize strong and weak electric isolution and
The isolation communication module 5 of communication, and relay feedback circuit 6.
Wherein, the three pole leakage protecting plug power line 1 is connected in the supply line 7 of electric heater.The relay
Device 4 is connected between three pole leakage protecting plug power lines 1 and electric heater 3, for controlling the connecting and disconnecting of the circuit of electric heater 3.
The single-chip microcomputer 2 is connected by drive circuit with the signal of relay 4, for the adhesive or disconnection of control relay 4.The isolation
Communication module 5 and single-chip microcomputer 2, the signal of three pole leakage protecting plug power line 1 are connected, and the instruction control sent according to single-chip microcomputer 2
Three poles for making three pole leakage protecting plug power lines 1 are opened or closed；The relay feedback circuit 6 be connected to relay 4 with
Between single-chip microcomputer 2, for the working condition of feddback relay device 4.
During real work, by the adhesive of drive circuit control relay 4, after the adhesive of relay 4, relay is anti-for single-chip microcomputer 2
Current feed circuit 6 sends feedback signal, control system of electric water heater normal work to single-chip microcomputer 2.When single-chip microcomputer 2 is made by drive circuit
Relay 4 disconnects, and relay feedback signal disappears after relay 4 disconnects, and after single-chip microcomputer 2 is detected, decision-making system is normal work
Make state；When the contact of relay 4 occurs viscous glutinous, single-chip microcomputer 2 is disconnected by drive circuit control relay 4, 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 is detected, judges
Electric water heater system is abnormal operation, is communicated with three pole leakage protecting plug power lines 1 by isolating communication module 5, is made
Three pole leakage protecting plug power lines 1 trip, and the pole of water heater power supply three disconnects, and ensure water heater uses safety.
In the present embodiment, preferably relay 4 includes the first relay 4-1 and the second relay 4-2, first relay
4-1 is connected between the L poles of three pole leakage protecting plug power lines and electric heater positive pole, the second relay 4-2 connections
Between the N poles of three pole leakage protecting plug power lines and electric heater negative pole, the single-chip microcomputer 2 passes through drive circuit and first
Relay 4-1, the connection of the second relay 4-2 signals, for controlling the first relay 4-1, the adhesive of the second relay 4-2 or disconnected
Open, the relay feedback circuit 6 is connected with the first relay 4-1, the second relay 4-2 simultaneously.Herein, using two after
The benefit that electrical equipment is combined is the service life for effectively improving security and electric hot water.
The 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, is opened or closed leakage protecting plug power line 1, the isolation communication
The trigger signal of module 5 in addition to being sent automatically by single-chip microcomputer, can also by be connected with single-chip microcomputer remote control, fuselage button or
Remote control terminal sends.
To avoid the line of complexity, the isolation communication module 5 is arranged on electric heater fuselage described in isolates communication mould
Radio communication is carried out by WiFi module between block 5 and single-chip microcomputer 2, three pole leakage protecting plug power lines 1.In other embodiment party
In formula, the isolation communication module is arranged on three pole leakage protecting plug power lines or is integrated on single-chip microcomputer；The isolation
Also can be by connection, bluetooth module, Modbus moulds between communication module and single-chip microcomputer, three pole leakage protecting plug power lines
Other wireless communication modules communication such as block, ZigBee module, is not limited to the present embodiment.
Further, display screen and master control borad 8 are connected with single-chip microcomputer 2, man-machine interaction is provided with master control borad
Button and infrared remote controller signal receive head, in order to realize the manual control of electric heater.
Above specific embodiment has been described in detail to essence of the present utility model, but can not be come to this reality with this
Limited with new protection domain.It should be evident that under the enlightenment of the utility model essence, the common skill of the art
Art personnel can also carry out many improvement and modification, it should be noted that these are improved and modification all falls in power of the present utility model
Within the scope of profit is claimed.
Claims (7)
1. a kind of control system of electric water heater of tape relay failure feedback function, it is characterised in that including：Can disconnect automatically,
The three pole leakage protecting plug power lines for resetting, single-chip microcomputer, electric heater, relay, for realizing strong and weak electric isolution and communicating
Isolation communication module, and relay feedback circuit；
The three pole leakage protecting plug power line is connected in the supply line of electric heater；
The relay is connected between three pole leakage protecting plug power lines and electric heater, for controlling the electricity of electric heater
Road break-make；
The single-chip microcomputer is connected by drive circuit with relay signal, for the adhesive or disconnection of control relay；
The isolation communication module is connected, and is sent according to single-chip microcomputer with single-chip microcomputer, three pole leakage protecting plug power line signals
Instruction control three pole leakage protecting plug power lines three poles be opened or closed；
The relay feedback circuit is connected between relay and single-chip microcomputer.
2. a kind of control system of electric water heater according to claim 1, it is characterised in that the relay include first after
Electrical equipment and the second relay, first relay are being connected to the L poles of three pole leakage protecting plug power lines with electric heater just
Between pole, second relay is connected between the N poles of three pole leakage protecting plug power lines and electric heater negative pole, described
Single-chip microcomputer is connected by drive circuit with the first relay, the second relay signal, for controlling the first relay, the second relay
The adhesive or disconnection of device, the relay feedback circuit are connected with the first relay, the second relay simultaneously.
3. a kind of control system of electric water heater according to claim 1, it is characterised in that the isolation communication module is energy
Realize the photoelectrical coupler of isolation and the communication of strong and weak electricity.
4. a kind of control system of electric water heater according to claim 1, it is characterised in that the isolation communication module and list
Connected by connection between piece machine, three pole leakage protecting plug power lines；
Or, logical by wireless communication module between the isolation communication module and single-chip microcomputer, three pole leakage protecting plug power lines
News.
5. a kind of control system of electric water heater according to claim 1, it is characterised in that the isolation communication module is set
On electric heater fuselage or on three pole leakage protecting plug power lines or it is integrated on single-chip microcomputer.
6. a kind of control system of electric water heater according to claim 4, it is characterised in that the wireless communication module is RF
Radio-frequency module, Modbus communication modules, ZigBee communication module, bluetooth communication or WiFi communication module.
7. a kind of control system of electric water heater according to claim 1, it is characterised in that display is connected with single-chip microcomputer
Screen and master control borad, the button and infrared remote controller signal that man-machine interaction is provided with master control borad receive head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621041223.3U CN206191933U (en) | 2016-09-06 | 2016-09-06 | Take electric water heater control system of relay fault feedback function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621041223.3U CN206191933U (en) | 2016-09-06 | 2016-09-06 | Take electric water heater control system of relay fault feedback function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206191933U true CN206191933U (en) | 2017-05-24 |
Family
ID=58728350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621041223.3U Active CN206191933U (en) | 2016-09-06 | 2016-09-06 | Take electric water heater control system of relay fault feedback function |
Country Status (1)
| Country | Link |
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| CN (1) | CN206191933U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2016
- 2016-09-06 CN CN201621041223.3U patent/CN206191933U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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