CN108413616A - A kind of electric heater of external control circuit board - Google Patents
A kind of electric heater of external control circuit board Download PDFInfo
- Publication number
- CN108413616A CN108413616A CN201810554875.4A CN201810554875A CN108413616A CN 108413616 A CN108413616 A CN 108413616A CN 201810554875 A CN201810554875 A CN 201810554875A CN 108413616 A CN108413616 A CN 108413616A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- control circuit
- electric heater
- relay
- 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
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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)
- Control Of Resistance Heating (AREA)
Abstract
The invention discloses a kind of electric heaters of external control circuit board, including electric heater ontology (10), plug (12), button display panel (13), heat-generating pipe (14), water flow sensing unit (15)；Electric heater ontology (10) is equipped with water inlet pipe and outlet pipe；Water flow sensing unit (15) is set to water inlet pipe or outlet pipe；Heat-generating pipe (14) is set to electric heater ontology (10) with button display panel (13)；Plug (12) is equipped with power pin (121)；It is characterized in that, further including control circuit board (11)；Control circuit board (11) is set to the outside of electric heater ontology (10), control circuit board (11) is equipped with controller (110) and relay (112), and relay (112) is equipped with input, output end and control terminal；The input terminal of relay (112) is electrically connected with power pin (121)；The output end of relay (112) is electrically connected with heat-generating pipe (14)；Controller (110) connects the control terminal of water flow sensing unit (15), button display panel (13) and relay (112).It effectively realizes safe to use and conveniently.
Description
Technical field
The present invention relates to technical field of water heaters more particularly to a kind of electric heaters of external control circuit board.
Background technology
Electric heater refers to the water heater heated using electricity as the energy.It is and gas heater, solar water heater
One of three big water heaters mutually arranged side by side.Electric heater can be divided into storage-type (also known as positive displacement or heat accumulation by heating power size
Formula), three kinds of instant heating type, fast heating type (also known as half storage-type).
In terms of electric heater, what user most took notice of is safety problem, how anticreep to become the most basic heavy of businessman
It considers, most basic anticreeper is the earth leakage protective device built in water heater, and in addition to this, also anti-electricity wall, water power divide
It is designed from equal, more there is businessman to produce dual anti-electric, triple anti-electric product.
Include electric heater ontology, plug, heat-generating pipe, control circuit board, control circuit referring to Fig. 1, in existing product
Plate is mounted on the inside of electric heater, when mains 220V is introduced control circuit board by plug, by control circuit board
Voltage conversion circuit voltage convert in control circuit board relay work, pass through control relay opening and closing
Open and close heat-generating pipe is controlled, realizes heat preservation and the heating function of electric heater.
Inventor in carrying out the present invention, find the said goods even with when disconnect relay so that heat-generating pipe not
Electrification, but the conducting wire due to being connected between plug and control circuit board is also electrically connected with city, in this case it is still possible to because of electric heating
The factor of hydrophone failure of insulation, there are forceful electric power leakies, and shock hazard is generated to human body.
Invention content
The embodiment of the present invention is designed to provide a kind of electric heater of external control circuit board, and effectively realizing makes
With safe and convenient.
To achieve the goals above, the present invention proposes a kind of electric heater of external control circuit board comprising electric heating
Hydrophone ontology, plug, button display panel, heat-generating pipe, water flow sensing unit；Electric heater ontology is equipped with water inlet pipe and outlet pipe；Water
Flow sensor is set to water inlet pipe or outlet pipe；Heat-generating pipe is set to electric heater ontology with button display panel；Plug is inserted equipped with power supply
Foot；It further include control circuit board；Control circuit board be set to electric heater ontology outside, control circuit board be equipped with controller and after
Electric appliance, relay are equipped with input, output end and control terminal；The input terminal of relay is electrically connected with power pin；Relay
Output end is electrically connected with heat-generating pipe；Controller connects the control terminal of water flow sensing unit, button display panel and relay.
The relay is additionally provided with working power end in one of the embodiments,；The control circuit board is additionally provided with electricity
Press conversion module, voltage transformation module be equipped with power input and power output end, the power input of voltage transformation module with
Power pin is electrically connected；The power output end of voltage transformation module and button display panel, the working power end of controller, relay
Connection.
The plug further includes grounding pin in one of the embodiments,；The control circuit board is additionally provided with first and connects
Ground terminal, the grounding pin of the plug and the first ground terminal of control circuit board connect.
The electric heater ontology includes shell and liner in one of the embodiments, and the liner is set to described outer
In shell；The liner is equipped with the water inlet pipe and outlet pipe；Heat-generating pipe is set to the liner；The button display panel is set to described
Shell.
The control circuit board is additionally provided with the second ground terminal in one of the embodiments,；The control circuit board
The cage connection of second ground terminal and electric heater ontology.
The plug further includes temperature sensor in one of the embodiments,；The temperature sensor is set in described
In courage, and it is connect with the controller.
The temperature sensor is that conducting wire connect or wirelessly communicate company with the controller in one of the embodiments,
It connects.
The button display panel is that conducting wire connect or wirelessly communicate company with the controller in one of the embodiments,
It connects.
The plug further includes shell in one of the embodiments,；The power pin is set to the shell of the plug；
The control circuit board is set in the shell of the plug.
The electric heater further includes box body in one of the embodiments,；The control circuit board is set to the box body
It is interior.
The electric heater of external control circuit board of the present invention, compared with the background art caused by advantageous effect：
By the way that control circuit board to be set to the outside of electric heater ontology, and alternating current is connected using the relay in control circuit board
With heat-generating pipe relay is disconnected when detecting user's water by water flow sensing unit so that heat-generating pipe is stopped；After
In the case that electric appliance disconnects, circuit board, control circuit board are set to electric heater ontology to the device being connect with forceful electric power again in order to control
Outside is light current component set on parts such as button display panel, the water flow sensing units of electric heater ontology so that Yong Hu
When with water, electric heater ontology will not be connected with forceful electric power, even if electric heater ontological existence failure of insulation, electric heater sheet
The electrified voltage of body also in safe range, not will produce shock hazard, and button display panel can work on to user,
User is very easy to use.Therefore, the electric heater of external control circuit board of the present invention effectively realizes to use and both pacify
Entirely and conveniently.
Description of the drawings
Fig. 1 is the structural schematic diagram of prior art electric heater；
Fig. 2 is the structural schematic diagram of the electric heater of external control circuit board in the present invention；
Fig. 3 is the electrical block diagram of the electric heater of external control circuit board in the present invention.
Wherein, 10, electric heater ontology；11, control circuit board；110, controller；111 voltage transformation modules；112, after
Electric appliance；113, the first ground terminal；114, the second ground terminal；12, plug；121, power pin；122 grounding pins；13, it presses
Key display board；131, touch key-press；14, heat-generating pipe；15, water flow sensing unit；16, box body；17, temperature sensor；101, shell；
102, liner.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Embodiment one, as shown in Figures 2 and 3, the electric heater of the external control circuit board in the present embodiment, including electric heating
Hydrophone ontology 10, plug 12, button display panel 13, heat-generating pipe 14, water flow sensing unit 15；Electric heater ontology 10 is equipped with water inlet pipe
And outlet pipe；Water flow sensing unit 15 is set to water inlet pipe or outlet pipe；Heat-generating pipe 14 is set to electric heater sheet with button display panel 13
Body 10；Plug 12 is equipped with power pin 121；It further include control circuit board 11；Control circuit board 11 is set to electric heater ontology 10
Outside, control circuit board 11 be equipped with controller 110 and relay 112, relay 112 be equipped with input, output end and control
End；The input terminal of relay 112 is electrically connected with power pin 121；The output end of relay 112 is electrically connected with heat-generating pipe 14；Control
Device 110 processed connects the control terminal of water flow sensing unit 15, button display panel 13 and relay 112.
It should be noted that the control circuit board 11 is set to the outside of electric heater ontology 10, the control circuit board
11 are equipped with controller 110 and the relay 112, are electrically connected with the heat-generating pipe 14 by the output end of the relay 112,
The controller 110 connects the control terminal of the water flow sensing unit 15, the button display panel 13 and the relay 112, leads to
It crosses and disconnects the relay 112 so that the heat-generating pipe 14 is stopped.
It should be noted that in the case where the relay 112 disconnects, the device being connect with forceful electric power is control electricity
Road plate 11, the control circuit board 11 are no longer installed on independently of the electric heater ontology 10, the then control circuit board 11
It in the electric heater ontology 10, is separated with the electric heater ontology 10, i.e., since the control circuit board 11 is in the electricity
Outside 10 complete machine of water heater body so that user when with water, relay 112 disconnect, the electric heater ontology 10 will not with it is strong
Electricity connects.
It should be noted that the button display panel 13 is for receiving the instruction of user to control the external control circuit
The work of the electric heater of plate, and the related work information of the electric heater of the external control circuit board is shown.
It should be noted that the heat-generating pipe 14 is used to carry out work according to the current signal that the control circuit board is transmitted
Make, to realize the heat preservation, heating and stopping heat supply of the electric heater of the external control circuit board.
It should be noted that the water flow sensing unit 15 is for controlling the control electricity according to the water-flow signal detected
The work of road plate 11, to control the work of the electric heater of the external control circuit board by the control circuit board 11.
The operation principle of the present invention is described below：
When mains 220V electricity is introduced the control electricity independently of the electric heater ontology 10 by the plug 12
When the plate 11 of road, the control circuit board 11 is the electric heater ontology 10, the button display panel 13, the fever accordingly
Pipe 14 and the water flow sensing unit 15 are powered, when user sends control signal by the button display panel 113, the button
Display board 113 is controlled to 11 feedback signal of the control circuit board, the control circuit board 11 according to the feedback signal received
Disconnection and the closure of the heat-generating pipe 14 are made, and then realizes the heat preservation of the electric heater of the external control circuit board, heats, stops
Only heat supply；The water flow sensing unit 15 detect it is current go out flow and reach predetermined threshold value when, to the control circuit board 11
Feedback signal, the control circuit board 11 control the connection of itself and the electric heater 0 according to the feedback signal received
It disconnects, that is, disconnects the relay 112 so that the heat-generating pipe 14 is stopped；The case where the relay 112 disconnects
Under, circuit board 11, the control circuit board 11 are set to the outside of electric heater ontology to the device being connect with forceful electric power again in order to control, if
In the parts such as button display panel, the water flow sensing unit of electric heater ontology be light current component so that user when with water,
The electric heater ontology 10 will not be connected with forceful electric power, even if electric heater ontological existence failure of insulation, electric heater sheet
The electrified voltage of body is also in safe range, to ensure that user's is safe to use.Correspondingly, receive user by by
When key display board sends cut-offing instruction, the control circuit board 11 receives the cut-offing instruction, so that the control circuit board
11 disconnect the electrical connection of the electric heater of the external control circuit board.
Preferably, the relay 112 is additionally provided with working power end；The control circuit board 11 is additionally provided with voltage modulus of conversion
Block 111, voltage transformation module 111 be equipped with power input and power output end, the power input of voltage transformation module 111 with
Power pin 121 is electrically connected；The power output end of voltage transformation module 111 and button display panel 13, controller 110, relay
112 working power end connection.
In the present embodiment, power cord is protected by leakage when the plug 12 and mains 220 is introduced into the control circuit
When plate 11, voltage is carried out by decompression conversion by the voltage transformation module 111 in the control circuit board 11, to realize
By 5V voltage outputs and 12V voltage outputs.
By the voltage transformation module 111 in control circuit board 11 be mounted on water heater body 10 be realize electric hot water
The circuit unit of device basic function provides safety low-voltage, such as button display panel 13, water flow sensing unit 15, following temperature sensing
The equal light current circuit unit of device 17, will not cause danger to human body.
Preferably, the plug 12 further includes grounding pin 122；The control circuit board 11 is additionally provided with the first ground terminal
113, the grounding pin 122 of the plug is connect with the first ground terminal 113 of control circuit board 11.
Preferably, the electric heater ontology 10 includes shell 101 and liner 102, and the liner 102 is set to the shell
In 101；The liner 102 is equipped with the water inlet pipe and outlet pipe；Heat-generating pipe 14 is set to the liner 102；The button is shown
Plate 13 is set to the shell 101.
Preferably, the control circuit board 11 is additionally provided with the second ground terminal 114；The second of the control circuit board 11 connects
Ground terminal 114 is connect with the shell 101 of electric heater ontology 10.
In the present embodiment, the PE lines that second ground terminal 114 connects are used for electric device exposed conductive part
The conductor of ground connection, plays safety protection function.
Preferably, the plug 12 further includes temperature sensor 17；The temperature sensor 17 is set to the liner 102
It is interior, and connect with the controller 110.
Preferably, the temperature sensor 17 is that conducting wire connect or wirelessly communicate connection with the controller 110.
In the present embodiment, the water flow sensing unit 17 is connected or is wirelessly connected the control circuit board 11 by conducting wire
Or the button display panel 13 realizes the communication of signal, to ensure the control to the control circuit board 11, realizes control institute
Unlatching and the closure for stating relay 112, to control the disconnected of the heat-generating pipe 14 by the unlatching and closure of the relay 112
Open and close are closed, and realize guarantor's mild heat of electric heater.
Preferably, the button display panel 13 is that conducting wire connect or wirelessly communicate connection with the controller 110.
In the present embodiment, the button display panel 13 is connected or is wirelessly connected the control circuit board 11 by conducting wire
Realize the communication of signal, to ensure the electric heater normal control to the external control circuit board, including heating, temperature are anti-
The basic function of the electric heaters such as feedback.
Preferably, as shown in Fig. 2, the electric heater further includes box body 16；The control circuit board 11 is set to the box
In body 16.
It should be noted that 16 material of the box body is insulating materials.
Control circuit board 11 can also be installed in the following manner：The plug 12 further includes shell；The power supply is inserted
Foot 121 is set to the shell of the plug 12；The control circuit board 11 is set in the shell of the plug 12.
The electric heater of external control circuit board described in the embodiment of the present invention is generated beneficial compared with the background art
Effect：By the way that control circuit board to be set to the outside of electric heater ontology, and connected using the relay in control circuit board
Alternating current and heat-generating pipe are connect, when detecting user's water by water flow sensing unit, disconnects relay so that heat-generating pipe stops work
Make；In the case where relay disconnects, circuit board, control circuit board are set to electric heater to the device being connect with forceful electric power again in order to control
The outside of ontology is light current component set on parts such as button display panel, the water flow sensing units of electric heater ontology so that
When with water, electric heater ontology will not connect user with forceful electric power, even if electric heater ontological existence failure of insulation, electric heating
The electrified voltage of hydrophone ontology not will produce shock hazard also in safe range, to user, and button display panel can be after
Continuous work, user are very easy to use.Therefore, the electric heater of external control circuit board of the present invention, effectively realizes
Using safe and convenient.
In the description of the present invention, unless otherwise defined, all of technologies and scientific terms used here by the article with belong to
The normally understood meaning of those skilled in the art of the present invention is identical.It is used in the description of the invention herein
Term, which is only for the purpose of describing specific embodiments, is not intended to limit the present invention.Term as used herein " and/
Or " include one or more relevant Listed Items any and all combinations.In addition, term " installation ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be that machinery connects
It connects, can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.In addition, below
Involved technical characteristic as long as they do not conflict with each other can be mutual in described different embodiments of the present invention
In conjunction with.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of electric heater of external control circuit board, including electric heater ontology (10), plug (12), button display panel
(13), heat-generating pipe (14), water flow sensing unit (15)；Electric heater ontology (10) is equipped with water inlet pipe and outlet pipe；Water flow sensing unit
(15) water inlet pipe or outlet pipe are set to；Heat-generating pipe (14) is set to electric heater ontology (10) with button display panel (13)；Plug
(12) it is equipped with power pin (121)；It is characterized in that, further including control circuit board (11)；Control circuit board (11) is set to electric heating
The outside of hydrophone ontology (10), control circuit board (11) are equipped with controller (110) and relay (112), and relay (112) is equipped with
Input, output end and control terminal；The input terminal of relay (112) is electrically connected with power pin (121)；Relay (112)
Output end is electrically connected with heat-generating pipe (14)；Controller (110) connects water flow sensing unit (15), button display panel (13) and relay
(112) control terminal.
2. the electric heater of external control circuit board as described in claim 1, which is characterized in that the relay (112) is also
Equipped with working power end；The control circuit board (11) is additionally provided with voltage transformation module (111), and voltage transformation module (111) is set
There are power input and power output end, the power input of voltage transformation module (111) to be electrically connected with power pin (121)；
The power output end of voltage transformation module (111) and button display panel (13), the work electricity of controller (110), relay (112)
Source connects.
3. the electric heater of external control circuit board as described in claim 1, which is characterized in that the plug (12) further includes
Grounding pin (122)；The control circuit board (11) is additionally provided with the first ground terminal (113), the grounding pin of the plug
(122) it is connect with the first ground terminal of control circuit board (11) (113).
4. the electric heater of external control circuit board as described in claim 1, which is characterized in that the electric heater ontology
(10) include shell (101) and liner (102), it is interior that the liner (102) is set to the shell (101)；The liner (102) sets
There are the water inlet pipe and outlet pipe；Heat-generating pipe (14) is set to the liner (102)；The button display panel (13) is set to described outer
Shell (101).
5. the electric heater of external control circuit board as claimed in claim 4, which is characterized in that the control circuit board (11)
It is additionally provided with the second ground terminal (114)；The second ground terminal (114) of the control circuit board (11) and electric heater ontology
(10) shell (101) connection.
6. the electric heater of external control circuit board as claimed in claim 4, which is characterized in that the plug (12) further includes
Temperature sensor (17)；The temperature sensor (17) is set in the liner (102), and is connect with the controller (110).
7. the electric heater of external control circuit board as claimed in claim 6, which is characterized in that the temperature sensor (17)
It is that conducting wire connect or wirelessly communicate connection with the controller (110).
8. the electric heater of the external control circuit board as described in claim 1 to 7 any one, which is characterized in that described to press
Key display board (13) is that conducting wire connect or wirelessly communicate connection with the controller (110).
9. the electric heater of the external control circuit board as described in claim 1 to 7 any one, which is characterized in that described to insert
Head (12) further includes shell；The power pin (121) is set to the shell of the plug (12)；The control circuit board (11) sets
In in the shell of the plug (12).
10. the electric heater of the external control circuit board as described in claim 1 to 7 any one, which is characterized in that the electricity
Water heater (1) further includes box body (16)；The control circuit board (11) is set in the box body (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810554875.4A CN108413616A (en) | 2018-05-31 | 2018-05-31 | A kind of electric heater of external control circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810554875.4A CN108413616A (en) | 2018-05-31 | 2018-05-31 | A kind of electric heater of external control circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108413616A true CN108413616A (en) | 2018-08-17 |
Family
ID=63141073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810554875.4A Pending CN108413616A (en) | 2018-05-31 | 2018-05-31 | A kind of electric heater of external control circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108413616A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396727A (en) * | 2021-12-09 | 2022-04-26 | 武汉海尔热水器有限公司 | Controller circuit board applied to electric water heater and electric water heater |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01150747A (en) * | 1987-12-09 | 1989-06-13 | Rinnai Corp | Earth leak breaker for electric device |
| CN101860006A (en) * | 2010-05-07 | 2010-10-13 | 艾欧史密斯(中国)热水器有限公司 | Electric leakage protection device suitable for electric water heater |
| CN208567156U (en) * | 2018-05-31 | 2019-03-01 | 广东万和热能科技有限公司 | A kind of electric heater of external control circuit board |
-
2018
- 2018-05-31 CN CN201810554875.4A patent/CN108413616A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01150747A (en) * | 1987-12-09 | 1989-06-13 | Rinnai Corp | Earth leak breaker for electric device |
| CN101860006A (en) * | 2010-05-07 | 2010-10-13 | 艾欧史密斯(中国)热水器有限公司 | Electric leakage protection device suitable for electric water heater |
| CN208567156U (en) * | 2018-05-31 | 2019-03-01 | 广东万和热能科技有限公司 | A kind of electric heater of external control circuit board |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396727A (en) * | 2021-12-09 | 2022-04-26 | 武汉海尔热水器有限公司 | Controller circuit board applied to electric water heater and electric water heater |
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