CN107504691A - A kind of constant temperature of water heater control system - Google Patents
A kind of constant temperature of water heater control system Download PDFInfo
- Publication number
- CN107504691A CN107504691A CN201710767725.7A CN201710767725A CN107504691A CN 107504691 A CN107504691 A CN 107504691A CN 201710767725 A CN201710767725 A CN 201710767725A CN 107504691 A CN107504691 A CN 107504691A
- Authority
- CN
- China
- Prior art keywords
- temperature
- resistance
- water heater
- rotating disk
- regulation
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000007373 indentation Methods 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims description 3
- 230000005619 thermoelectricity Effects 0.000 claims 1
- 238000005485 electric heating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0202—Switches
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0297—Heating of fluids for non specified applications
-
- 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
- F24H2250/00—Electrical heat generating means
- F24H2250/02—Resistances
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/021—Heaters specially adapted for heating liquids
Landscapes
- 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)
- Control Of Resistance Heating (AREA)
Abstract
The invention discloses a kind of constant temperature of water heater control system, including heating wire, heating wire connects civil power through contactor, and the magnet coil of contactor connects regulation rotating disk through microswitch, and regulation rotating disk is provided with breach；When hot water temperature reaches design temperature scope, regulation rotating disk turns to indentation, there, and microswitch disconnects with regulation rotating disk；The rotating motor that driving regulation rotating disk rotates, the resistance adjustment pin connection of rotating motor and heating wire, for adjusting the output resistance of heating wire are connected with regulation rotating disk；Temperature transmitter is additionally provided with water heater, temperature transmitter compares the voltage signal that temperature signal is converted to corresponding voltage signal with measuring circuit exports, both voltage deviations are exported to chopper, the electric signal that rotating motor exports according to chopper carries out rotating regulation, controls the power output and its power on/off of heating wire.The present invention can realize that water heater temperature compensates automatically, keep water temperature constant.
Description
Technical field
The present invention relates to a kind of constant temperature of water heater control system.
Background technology
Current market sales of electric heater exist one it is universal the problem of, when user discharges water, by using
Person carries out the control of leaving water temperature by regulating mixed water valve, and the temperature of water outlet can be fluctuated because of the change of hydraulic pressure, makes one to feel
Feel sometimes hot and sometimes cold, Consumer's Experience is very poor, and the accident that hot water is hurted sb.'s feelings occurs sometimes.
The content of the invention
It is an object of the invention to overcome deficiency of the prior art, there is provided a kind of constant temperature of water heater control system, can
Water heater temperature is automatically adjusted, water temperature is kept constant.
To reach above-mentioned purpose, the technical solution adopted in the present invention is：A kind of constant temperature of water heater control system, including set
The adjustable heating wire of resistance in water heater, the heating wire connect civil power, the magnet coil of the contactor through contactor
Regulation rotating disk is connected through microswitch, the regulation rotating disk is provided with breach；When hot water temperature reaches design temperature scope, regulation
Rotating disk turns to indentation, there, and microswitch disconnects with regulation rotating disk；Driving regulation rotating disk is connected with the regulation rotating disk to rotate
Rotating motor, the rotating motor and heating wire resistance adjustment pin connection, for adjusting the output of heating wire
Resistance；
Temperature transmitter is additionally provided with the water heater, temperature signal is converted to corresponding voltage signal by the temperature transmitter
Compared with the voltage signal of measuring circuit output, both voltage deviations are exported to chopper, rotating motor
The electric signal exported according to chopper carries out rotating regulation, controls the power output and its power on/off of heating wire.
The temperature transmitter is thermocouple.
Indicating member is also associated with the water heater, the indicating member includes circular temperature instruction disk and located at temperature
The indicator among disk is indicated, the indicator is connected with rotating electric-motor drive.
The chopper is connected after voltage amplifier and power amplifier with rotating motor.
The power amplifier is phase sensitivity power amplifier.
The measuring circuit includes what is be made up of first resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance R4
Bridge circuit, 3rd resistor R3 and second resistance R2 electric contact are node A, first resistor R1 and second resistance R2 electric contact
It is node S for node B, 3rd resistor R3 and the 4th resistance R4 electric contact, node A is connected with the temperature transmitter；Node B
The connection measurement voltage E between node S, connect slide wire resistance R between first resistor R1 and the 4th resistance R4, the slide wire resistance
R slide plate is connected with rotating electric-motor drive.
Compared with prior art, the beneficial effect that is reached of the present invention is：Can be according to water temperature automatic controlled electric heating silk
Power on/off and output resistance, realize that water heater temperature compensates automatically, keep water temperature constant.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
As shown in figure 1, be a kind of constant temperature of water heater control system provided by the invention, including the resistance in water heater
Adjustable heating wire, heating wire connect civil power through contactor, and the magnet coil of contactor connects regulation rotating disk through microswitch, adjusted
Section rotating disk is provided with breach；When hot water temperature reaches design temperature scope, regulation rotating disk turns to indentation, there, and microswitch is with adjusting
Rotating disk is saved to disconnect；The rotating motor that driving regulation rotating disk rotates, rotating motor and electric heating are connected with regulation rotating disk
The resistance adjustment pin connection of silk, for adjusting the output resistance of heating wire；
Temperature transmitter is additionally provided with water heater, temperature signal is converted to corresponding voltage signal and measurement electricity by temperature transmitter
The voltage signal of road output compares, and both voltage deviations is exported to chopper, rotating motor is according to vibration
The electric signal of current transformer output carries out rotating regulation, controls the power output and its power on/off of heating wire.Chopper passes through
It is connected after voltage amplifier and power amplifier with rotating motor
Measuring circuit includes the bridge circuit being made up of first resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance R4,
3rd resistor R3 and second resistance R2 electric contact are that node A, first resistor R1 and second resistance R2 electric contact are node B,
3rd resistor R3 and the 4th resistance R4 electric contact are node S, and node A is connected with temperature transmitter；Between node B and node S
Connection measurement voltage E, connected between first resistor R1 and the 4th resistance R4 slide wire resistance R, slide wire resistance R slide plate and rotating
Electric-motor drive connects.
Clockwise and anticlockwise motor drives the sliding contact of measuring circuit to be gone to zero towards voltage deviation △ E by mechanical transmission mechanism
Direction slide, when △ E=0, circuit reaches balance, and clockwise and anticlockwise motor stops operating, now regulation rotating disk microswitch is broken
Open, so that 10 points of contactor C, water heater is stopped power supply, and works as water temperature drop, clockwise and anticlockwise motor reversion, and microswitch closes again
Close, make contactor C again it is electric, and according to the output resistance of the big minor adjustment heating wire of voltage deviation, realize water heater temperature oneself
Dynamic compensation, keep water temperature constant.
Indicating member is also associated with water heater, indicating member includes circular temperature instruction disk and indicated located at temperature in disk
Between indicator, indicator is connected with rotating electric-motor drive.
Preferably, temperature transmitter is thermocouple, and power amplifier is phase sensitivity power amplifier.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of constant temperature of water heater control system, it is characterised in that including the adjustable heating wire of resistance in water heater, institute
State heating wire and connect civil power through contactor, the magnet coil of the contactor connects regulation rotating disk, the regulation through microswitch
Rotating disk is provided with breach；When hot water temperature reaches design temperature scope, regulation rotating disk turns to indentation, there, microswitch and regulation
Rotating disk disconnects；The rotating motor that driving regulation rotating disk rotates, the rotating motor are connected with the regulation rotating disk
It is connected with the resistance adjustment pin of heating wire, for adjusting the output resistance of heating wire；
Temperature transmitter is additionally provided with the water heater, temperature signal is converted to corresponding voltage signal by the temperature transmitter
Compared with the voltage signal of measuring circuit output, both voltage deviations are exported to chopper, rotating motor
The electric signal exported according to chopper carries out rotating regulation, controls the power output and its power on/off of heating wire.
2. constant temperature of water heater control system according to claim 1, it is characterised in that the temperature transmitter is thermoelectricity
It is even.
3. constant temperature of water heater control system according to claim 1, it is characterised in that be also associated with referring on the water heater
Show unit, the indicating member includes circular temperature instruction disk and the indicator among temperature instruction disk, the indicator
It is connected with rotating electric-motor drive.
4. constant temperature of water heater control system according to claim 1, it is characterised in that the chopper is put through voltage
It is connected after big device and power amplifier with rotating motor.
5. constant temperature of water heater control system according to claim 4, it is characterised in that the power amplifier is phase sensitivity work(
Rate amplifier.
6. constant temperature of water heater control system according to claim 1, it is characterised in that the measuring circuit is included by first
The bridge circuit that resistance R1, second resistance R2,3rd resistor R3 and the 4th resistance R4 are formed, 3rd resistor R3 and second resistance R2
Electric contact be that node A, first resistor R1 and second resistance R2 electric contact is node B, 3rd resistor R3 and the 4th resistance R4
Electric contact be node S, node A is connected with the temperature transmitter；Connection measurement voltage E between node B and node S, first
Connect slide wire resistance R between resistance R1 and the 4th resistance R4, and slide plate and the rotating electric-motor drive of the slide wire resistance R connect
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710767725.7A CN107504691B (en) | 2017-08-31 | 2017-08-31 | A kind of constant temperature of water heater control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710767725.7A CN107504691B (en) | 2017-08-31 | 2017-08-31 | A kind of constant temperature of water heater control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107504691A true CN107504691A (en) | 2017-12-22 |
| CN107504691B CN107504691B (en) | 2019-08-30 |
Family
ID=60694471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710767725.7A Active CN107504691B (en) | 2017-08-31 | 2017-08-31 | A kind of constant temperature of water heater control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107504691B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2257887A (en) * | 1940-10-28 | 1941-10-07 | Mcgraw Electric Co | Off-peak water heating system |
| DE2015630A1 (en) * | 1970-04-02 | 1971-10-21 | Centra Buerkle Kg Albert | Device for regulating room temperatures |
| CN2040757U (en) * | 1988-04-14 | 1989-07-12 | 刘忠宪 | Intelligence type gas-burning water heater |
| CN2324480Y (en) * | 1997-09-01 | 1999-06-16 | 许小虎 | Improved electric water heater |
| CN101201636A (en) * | 2007-07-27 | 2008-06-18 | 吉林大学 | High stability thermostat controller |
-
2017
- 2017-08-31 CN CN201710767725.7A patent/CN107504691B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2257887A (en) * | 1940-10-28 | 1941-10-07 | Mcgraw Electric Co | Off-peak water heating system |
| DE2015630A1 (en) * | 1970-04-02 | 1971-10-21 | Centra Buerkle Kg Albert | Device for regulating room temperatures |
| CN2040757U (en) * | 1988-04-14 | 1989-07-12 | 刘忠宪 | Intelligence type gas-burning water heater |
| CN2324480Y (en) * | 1997-09-01 | 1999-06-16 | 许小虎 | Improved electric water heater |
| CN101201636A (en) * | 2007-07-27 | 2008-06-18 | 吉林大学 | High stability thermostat controller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107504691B (en) | 2019-08-30 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |