CN207922585U - Water heater control system and water heater - Google Patents
Water heater control system and water heater Download PDFInfo
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- CN207922585U CN207922585U CN201820291774.8U CN201820291774U CN207922585U CN 207922585 U CN207922585 U CN 207922585U CN 201820291774 U CN201820291774 U CN 201820291774U CN 207922585 U CN207922585 U CN 207922585U
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Abstract
The utility model embodiment proposes a kind of water heater control system and water heater, it is related to water heater control field, the water heater control system includes mobile control terminal, water heater control terminal and intermediate communication end, mobile control terminal is established and is communicated with water heater control terminal and intermediate communication end, and intermediate communication end is also communicated with the foundation of water heater control terminal；Mobile control terminal includes the first power module being sequentially connected electrically, first communication module and the first operation display terminal；Water heater control terminal includes the second power supply module being sequentially connected electrically, second communication module and water heater controller；Intermediate communication end includes third power module and third communication module.A kind of water heater control system and water heater that the utility model embodiment is provided can promote mobile control terminal and reliability when water heater control terminal is in communication with each other.
Description
Technical field
The utility model is related to water heater control fields, in particular to a kind of water heater control system and water heater.
Background technology
Water heater enters average family extensively at present, is typically mounted at balcony or kitchen, distance water spot one
As farther out, for the convenience used, water heater body and operating terminal are usually spaced apart by installation.Relatively common operating terminal has
Two kinds of line control machine and remote controler.Existing line traffic control, remote-control water heater distinguish following defect；Line traffic control water heater needs independent bracing wire road,
Influence room beauty and layout；And remote-control water heater causes because water heater mounting distance is remote and sometimes for several walls are penetrated
Signal is weaker, and stability is poor.
Utility model content
The purpose of this utility model is to provide a kind of water heater control system and water heaters, can promote mobile control terminal
Reliability when being in communication with each other with water heater control terminal.
To achieve the goals above, the technical solution that the utility model embodiment uses is as follows：
In a first aspect, the utility model embodiment provides a kind of water heater control system, it is applied to water heater, the heat
Hydrophone control system includes mobile control terminal, water heater control terminal and intermediate communication end, the mobile control terminal and the hot water
Communication is established at device control terminal and the intermediate communication end, and the intermediate communication end is also established with the water heater control terminal logical
Letter；The mobile control terminal include the first power module being sequentially connected electrically, first communication module and first operation display terminal,
For accessing power cord and being the mobile control terminal powered operation, the first communication module is used for first power module
It establishes and communicates with the water heater control terminal or the intermediate communication end, the first operation display terminal is for generating the first control
System instructs and is sent to the water heater control terminal or the intermediate communication end by the first communication module；The water heater
Control terminal includes the second power supply module being sequentially connected electrically, second communication module and water heater controller, the second source mould
For accessing power cord and being the water heater control terminal powered operation, the second communication module is used for and the mobile control block
End processed or the intermediate communication end, which are established, communicates and receives the mobile control terminal or the intermediate communication end is sent described the
One control instruction and first control instruction is sent to the water heater controller, the water heater controller is for responding
First control instruction executes corresponding operation to control the water heater；The intermediate communication end includes third power module
With third communication module, the third power module is used to access power cord and is intermediate communication end powered operation, described
Third communication module is used to communicate with the mobile control terminal and water heater control terminal foundation, and receives the mobile control
It holds first control instruction sent and first control instruction is sent to the water heater control terminal；Wherein, work as institute
When stating water heater control system and powering on, the mobile control terminal is built by the first communication module and the second communication module
First control instruction is sent to the water heater control terminal by vertical communication；When the first communication module and described the
When two communication module communication abnormalities, the first communication module is communicated with third communication module foundation and the third communication
The foundation of module and the second communication module communicate, so that described in first control instruction is sent to by the mobile control terminal
Behind intermediate communication end, first control instruction is sent to the water heater control terminal by the intermediate communication end.
Further, the first communication module include the first communication control unit and respectively with first communication control
Unit electrical connection the first power carrier unit and the first wireless communication unit, first communication control unit also respectively with institute
State the first power module and the first operation display terminal electrical connection；The second communication module includes the second power carrier list
Member and the second wireless communication unit, the second power carrier unit and second wireless communication unit are respectively with described the
Two power modules and water heater controller electrical connection, the second power carrier unit are used for and first power carrier
Unit establishes communication, and second wireless communication unit is used to communicate with first wireless communication unit foundation；Wherein, work as institute
When stating water heater control system and powering on, the first power carrier unit and described second described in first communication control unit controls
Power carrier unit establishes communication；When the first power carrier unit and the second power carrier unit communication exception,
First wireless communication unit described in first communication control unit controls is communicated with second wireless communication unit foundation；When
When first wireless communication unit is with the second wireless communication unit communication abnormality, described in the judgement of the first communication control unit
First communication module and the second communication module communication abnormality.
Further, the third communication module includes third communication control unit and is controlled respectively with the third communication
The third power carrier unit and third wireless communication unit of unit electrical connection, the third communication control unit is also with described the
Three power modules are electrically connected, and the third power carrier unit is used for and the first power carrier unit and/or described second
Power carrier unit establishes communication, and the third wireless communication unit is used for and first wireless communication unit and/or described
Second wireless communication unit establishes communication；Wherein, when the first communication module and the second communication module communication abnormality,
First power carrier unit described in first communication control unit controls is communicated with third power carrier unit foundation；When
When the first power carrier unit is with the third power carrier unit communication exception, first communication control unit controls
First wireless communication unit is communicated with third wireless communication unit foundation；Also, the third communication control unit
The third power carrier unit is controlled to communicate with the second power carrier unit foundation；When the third power carrier unit
When with the second power carrier unit communication exception, the third communication control unit controls the third wireless communication unit
It is communicated with second wireless communication unit foundation.
Further, the third communication control unit uses PLC.
Further, described when the third wireless communication unit and the second wireless communication unit communication abnormality
Third communication control unit is fed back the intermediate communication end to first communication control unit and is led to the water heater control terminal
Believe abnormal information；When first wireless communication unit and the third wireless communication unit communication abnormality or described first lead to
The intermediate communication end that letter control unit receives the third communication control unit feedback leads to the water heater control terminal
When believing abnormal information, first communication control unit to the first operation display terminal feed back the mobile control terminal with
The information of the water heater control terminal communication abnormality, so that the first operation display terminal shows the mobile control terminal and institute
State the information of water heater control terminal communication abnormality.
Further, first communication control unit is additionally operable to presently described to the first operation display terminal feedback
Mobile control terminal establishes the communication pattern communicated with the water heater control terminal, so that the first operation display terminal shows institute
It states presently described mobile control terminal and establishes the communication pattern communicated with the water heater control terminal.
Further, the communication pattern includes direct communication pattern and indirect communication pattern；Wherein, the direct communication
Mobile control terminal described in modeling in such a way that the first communication module and second communication module foundation communicate and
The water heater control terminal establishes communication；Mobile control terminal described in the indirect communication modeling communicates mould by described first
Block is communicated with third communication module foundation, and the third communication module establishes the side communicated with the second communication module
Formula is communicated with water heater control terminal foundation.
Further, first wireless communication unit, second wireless communication unit and third wireless communication
Unit is 433 wireless communication modules.
Further, first communication control unit uses PLC.
Second aspect, the utility model embodiment provide a kind of water heater, and the water heater includes the utility model reality
Apply the water heater control system that a first aspect provides.
Compared with the existing technology, a kind of water heater control system and water heater that the utility model embodiment is provided, lead to
It crosses and intermediate communication end is set in water heater control system, so as to directly established between mobile control terminal and water heater control terminal
When communication is abnormal, mobile control terminal can be by the communication and intermediate communication end established with intermediate communication end and hot water
The communication that device control terminal is established indirectly realizes that mobile control terminal is communicated with the foundation of water heater control terminal, to keep mobile control
End processed controls the instruction of water heater control terminal, compared to the prior art, can promote mobile control terminal and water heater control terminal
Reliability when being in communication with each other.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment cited below particularly, and
The appended attached drawing of cooperation, is described in detail below.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 shows a kind of a kind of schematic structure for water heater control system that the utility model embodiment is provided
Figure；
Fig. 2 shows a kind of another schematic structures for water heater control system that the utility model embodiment is provided
Figure；
Fig. 3 shows a kind of another schematic structure for water heater control system that the utility model embodiment is provided
Figure；
Fig. 4 shows a kind of a kind of schematic flow for water heater control method that the utility model embodiment is provided
Figure；
Fig. 5 is a kind of schematic flow chart of step S100 in Fig. 4；
Fig. 6 is a kind of schematic flow chart of step S200 in Fig. 4.
In figure：10- water heater control systems；100- moves control terminal；The first power modules of 110-；120- first communicates mould
Block；The first communication control units of 121-；122- the first power carrier units；The first wireless communication units of 123-；130- first is grasped
Make display terminal；200- water heater control terminals；210- second power supply modules；220- second communication modules；The communication controls of 221- second
Unit processed；222- the second power carrier units；The second wireless communication units of 223-；230- water heater controllers；It is logical among 300-
Believe end；310- third power modules；320- third communication modules；321- third communication control units；322- third power carriers
Unit；323- third wireless communication units.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.Meanwhile it is new in this practicality
In the description of type, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relatively important
Property.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
Below in conjunction with the accompanying drawings, it elaborates to some embodiments of the utility model.In the absence of conflict, under
Feature in the embodiment and embodiment stated can be combined with each other.
For line traffic control water heater in the prior art, often in mobile control terminal and heat by the way of power carrier
It is communicated, but is found in actual use for the building constructions such as similar villa, electric power between hydrophone control terminal
Line be generally not fire, zero, three lines, but have two even more power lines, i.e., common three-phase electricity, but due to using three-phase
Or more electricity, power carrier almost decays in power line across sowing time according to legend；And it is limited to production cost, water heater factory
Family will not spend substantial contribution using the fields Three Phase Carrier Based mechanicss of communication such as space flight or the expensive commutation equipment of purchase, therefore in water heater
Field, power carrier encounter very big bottleneck being transmitted across phase signals.
And for pure wireless telecommunications, whether WIFI or ZigeBee either bluetooth etc., is limited to building structure
Characteristic is often spaced multiple tracks wall between mobile control terminal and water heater control terminal, leads to mobile control terminal and water heater control
Signal decaying is very fast when wireless telecommunications between end processed, unstable so as to cause being communicated between mobile control terminal and water heater control terminal
It is fixed.
Therefore, based on the above existing technology problems, inventor is provided in the utility model embodiment
A kind of settling mode is：When communicate between mobile control terminal 100 and water heater control terminal 200 be abnormal when, that is, establish and move
Communication between the communication and intermediate communication end 300 and water heater control terminal 200 at control terminal 100 and intermediate communication end 300.Specifically
Ground, referring to Fig. 1, Fig. 1 shows a kind of a kind of signal for water heater control system 10 that the utility model embodiment is provided
Property structure chart, the water heater control system 10 be applied to water heater (not shown), in the utility model embodiment, the water heater
Control system 10 includes mobile control terminal 100, water heater control terminal 200 and intermediate communication end 300, specifically, mobile control terminal
100 establish with water heater control terminal 200 and intermediate communication end 300 and communicate, the intermediate communication end 300 also with water heater control terminal
200 establish communication.
The movement control terminal 100 is the operating terminal of user, and user can be by operating the movement control terminal 100 to water heater
Control terminal 200 sends control instruction so that water heater executes corresponding operation, such as increase or reduce leaving water temperature, increase or
Reduce water yield etc..Wherein, which includes the first power module 110, the first communication mould being sequentially connected electrically
Block 120 and first operates display terminal 130.Wherein, the first power module 110 is for accessing power cord and being mobile control terminal
100 powered operations；First communication module 120 is used to establish with water heater control terminal 200 or intermediate communication end 300 and communicate；First
Operation display terminal 130 is for generating the first control instruction and being sent to water heater control terminal 200 by first communication module 120
Or intermediate communication end 300, for example, user generates the first control that characterization increases water temperature by operation the first operation display terminal 130
System instruction, then the first operation display terminal 130 is that first control instruction is sent to heat by first communication module 120
Hydrophone control terminal 200 or intermediate communication end 300 so that water heater executes corresponding operation, for example increase water temperature.
Wherein, as an implementation, please continue to refer to Fig. 1, which includes first communication module
Unit 120 and the first power carrier unit 122 and first wireless communication being electrically connected respectively with first communication control unit 121
Unit 123, first communication control unit 121 are electrically connected with the first power module 110 and first operation display terminal 130 respectively
It connects.
Wherein, the first communication control unit 121 can be a kind of IC chip, have signal handling capacity.It is above-mentioned
The first communication control unit 121 can be general processor, including central processing unit (Central Processing Unit,
CPU), network processing unit (Network Processor, NP), speech processor and video processor etc.；It can also be number
Signal processor, application-specific integrated circuit, field programmable gate array either other programmable logic device, discrete gate or crystal
Pipe logical device, discrete hardware components.It may be implemented or execute the disclosed logic diagram in the utility model embodiment.It is logical
With processor can be microprocessor or first communication control unit 121 can also be any conventional processor, such as PLC
(Programmable Logic Controller, programmable logic controller (PLC)), microcontroller etc..
The water heater control terminal 200 includes second power supply module 210, second communication module 220 and the heat being sequentially connected electrically
Water heater controller 230, user are sent to water heater control terminal by the first control instruction caused by mobile control terminal 100
After 200, for water heater control terminal 200 i.e. according to first control instruction, control water heater executes corresponding operation.Wherein, the heat
Hydrophone control terminal 200 includes second power supply module 210, second communication module 220 and the water heater controller being sequentially connected electrically
230, the second power supply module 210 is for accessing power cord and being 200 powered operation of water heater control terminal；Second communication module
220 communicate and receive mobile control terminal 100 or intermediate communication end for being established with mobile control terminal 100 or intermediate communication end 300
300 send the first control instructions and first control instruction is sent to water heater controller 230；Water heater controller 230
For responding the first control instruction corresponding operation is executed to control water heater.
Wherein, as an implementation, which includes the second power carrier unit 222 and second
Wireless communication unit 223, the second power carrier unit 222 and the second wireless communication unit 223 respectively with second source mould
Block 210 and water heater controller 230 are electrically connected, and the second power carrier unit 222 is used for and the first power carrier unit 122
Communication is established, which is used to communicate with the foundation of the first wireless communication unit 123.Wherein, the first electric power
Carrier units 122 are accessed by the first power module 110 and second power supply module 210 with the second power carrier unit 222
Power cord, establish the communication between mobile control terminal 100 and water heater control terminal 200.
The intermediate communication end 300 includes third power module 310 and third communication module 320, the third power module 310
For accessing power cord and being 300 powered operation of intermediate communication end, which is used for and mobile control terminal 100
And water heater control terminal 200 establishes communication, and receive the first control instruction of the transmission of mobile control terminal 100 and refer to the first control
Order is sent to water heater control terminal 200, so that water heater control terminal 200 controls water heater and executes corresponding operation.
Wherein, as an implementation, which includes third communication control unit 321 and difference
The third power carrier unit 322 and third wireless communication unit 323 being electrically connected with the third communication control unit 321, this
Three communication control units 321 are also electrically connected with third power module 310.The third power carrier unit 322 is used for and the first electricity
Power carrier units 122 and/or the second power carrier unit 222 establish communication, which is used for and first
Wireless communication unit 123 and/or the second wireless communication unit 223 establish communication.As an implementation, the third communication control
Unit 321 processed uses PLC.
When the water heater control system 10 is applied to water heater, when the water heater control system 10 powers on, mobile control
End 100 is established by first communication module 120 and second communication module 220 and is communicated, and passes through first communication module 120 and the
The communication that two communication modules 220 are established sends user by the first control instruction caused by the first operation display terminal 130
To water heater control terminal 200；When first communication module 120 and 220 communication abnormality of second communication module, first communication module
120 communicate with the foundation of third communication module 320, and third communication module 320 is communicated with the foundation of second communication module 220,
So that after the first control instruction is sent to intermediate communication end 300 by mobile control terminal 100, intermediate communication end 300 is controlled first
Instruction is sent to water heater control terminal 200.
Communication mode between first communication module 120 and second communication module 220 can utilize the first power carrier
Unit 122 communicates with the foundation of the second power carrier unit 222 and combines the first wireless communication unit 123 and second wireless communication single
The mode that member 223 establishes communication is communicated.As an implementation, specifically, in the utility model embodiment, when
When water heater control system 10 powers on, the first communication control unit 121 controls the first power carrier unit 122 and the second electric power
Carrier units 222 establish communication, and first communication module 120 and second communication module 220 are established in a manner of by power carrier
Between communication, electric force carrier transmission distance is remote, speed is fast, and can utilize the powerline layout of the building constructions such as house,
The communication between first communication module 120 and second communication module 220 is established, without arranging other power lines；But it needs
Point out when, have if the power cord accessed jointly between the first power module 110 and second power supply module 210 is three-phase electricity etc.
When two even more power lines, due to the transmission characteristic of power carrier, electrical carrier across the sowing time rate of decay according to legend quickly,
It is almost attenuated when across phase, therefore, when between the first power carrier unit 122 and the second power carrier unit 222
When communication is abnormal, the first communication control unit 121 controls the first wireless communication unit 123 and the second wireless communication unit
223 establish communication, and then leading between first communication module 120 and second communication module 220 is established in a manner of wireless communication
Letter；Simultaneously as there is also defects for wireless communication technique itself, if than first communication module 120 and second communication module
Distance is either spaced multiple tracks wall farther out between 220 between first communication module 120 and second communication module 220, this is just
The communication between first communication module 120 and second communication module 220 is caused as distance is either spaced farther out
Multiple tracks wall causes to be abnormal, that is to say, that when first communication module 120 and second communication module 220 are using wireless communication
Mode when carrying out data transmission, may because of distance between first communication module 120 and second communication module 220 farther out or
Person is to be spaced multiple tracks wall the communication between first communication module 120 and second communication module 220 is caused to become unreliable, this
When, the first communication control unit 121 judges communication abnormality between first communication module 120 and second communication module 220.
Wherein, as an implementation, when the second power carrier unit 222 does not receive the first power carrier unit
The data of 122 the first control instructions sent etc. or the data packetloss rate received by the second power carrier unit 222 are big
When the first preset value, that is, judge 222 communication abnormality of the first power carrier unit 122 and the second power carrier unit,
Further, as an implementation, which could be provided as 80%.Meanwhile as an implementation, when
Second wireless communication unit 223 does not receive the data of first control instruction of the first wireless communication unit 123 transmission etc.
Or the second data packetloss rate received by wireless communication unit 223 judges the first nothing when being greater than or equal to the second preset value
223 communication abnormality of line communication unit 123 and the second wireless communication unit, and then judge that first communication module 120 is communicated with second
Communication abnormality between module 220.
When first communication module 120 and when 220 communication abnormality of second communication module, first communication module 120 is i.e. and third
Communication module 320 establishes communication, and third communication module 320 is communicated with the foundation of second communication module 220, so that mobile control
After first control instruction is sent to intermediate communication end 300 by end 100, the first control instruction is sent to heat by intermediate communication end 300
Hydrophone control terminal 200.Wherein, the communication mode between first communication module 120 and third communication module 320 can utilize the
One power carrier unit 122 communicates with the foundation of third power carrier unit 322 and combines the first wireless communication unit 123 and third
The mode that wireless communication unit 323 establishes communication is communicated, also, third communication module 320 and second communication module 220 it
Between communication mode can also be to communicate and tie using the foundation of third power carrier unit 322 and the second power carrier unit 222
The mode that third wireless communication unit 323 is communicated with the foundation of the second wireless communication unit 223 is closed to be communicated.As a kind of implementation
Mode is specifically established logical in the utility model embodiment, between first communication module 120 and third communication module 320
It is identical that the mode of letter could be provided as establishing the mode of communication between first communication module 120 and second communication module 220, i.e.,
First communication control unit 121 first controls the first power carrier unit 122 and is communicated with the foundation of third power carrier unit 322, when
When first power carrier unit 122 is with third power carrier 322 communication abnormality of unit, the first communication control unit 121 controls
First wireless communication unit 123 is communicated with the foundation of third wireless communication unit 323；Also, third communication module 320 and second is logical
The mode of the letter foundation communication of module 220 may be set to be to be established between first communication module 120 and second communication module 220
The mode of communication is identical, i.e., the third communication control unit 321 of third communication module 320 controls third power carrier unit 322
It is communicated with the foundation of the second power carrier unit 222, when third power carrier unit 322 is communicated with the second power carrier unit 222
When abnormal, third communication control unit 321 controls third wireless communication unit 323 and the second wireless communication unit 223 is established
Communication.
It is worth noting that due in house power supply system, it is understood that there may be multigroup power supply line, that is to say, that
In house power supply system, single phase power supply, two-phase power supply and three phase supply etc. are may be simultaneously present, then the first power module
110 and second between module, between the first power module 110 and third power module 310 and third power module 310 and
The power cord accessed between two power modules 210 may respectively be not quite similar, then when the first power carrier unit 122 and the second electricity
When the communication established between power carrier units 222 is abnormal, it is not meant to the first power carrier unit 122 and third electric power
The communication established between carrier units 322 can be also abnormal, while between the first power carrier and third power carrier
Communication is when being abnormal, the communication being also not meant between third power carrier unit 322 and the second power carrier unit 222
Also it can be abnormal.
As an implementation, first wireless communication unit 123, the second wireless communication unit 223 and third are wireless
Communication unit 323 is all made of 433 wireless communication modules.Meanwhile it is worth noting that, first wireless communication unit 123, second
Wireless communication unit 223 and third wireless communication unit 323 can also use WIFI, ZigBee, NB-IoT, local area network communication or
Person is one of in bluetooth.
Based on above-mentioned design, a kind of water heater control system 10 that the utility model embodiment is provided, by hot water
Intermediate communication end 300 is set in device control system 10, so as to directly be built between mobile control terminal 100 and water heater control terminal 200
When vertical communication is abnormal, mobile control terminal 100 can be logical by the communication established with intermediate communication end 300, and centre
Believe the communication that end 300 is established with water heater control terminal 200, indirectly realizes that mobile control terminal 100 is built with water heater control terminal 200
Vertical communication, to keep mobile control terminal 100 to control the instruction of water heater control terminal 200, compared to the prior art, Neng Gouti
Reliability when the mobile control terminal 100 of liter and water heater control terminal 200 are in communication with each other.
In the utility model embodiment, although increased in water heater control system 10 intermediate communication end 300 with
Communication between the mobile control terminal 100 of foundation connect and water heater control terminal 200, but due to intermediate communication end 300 and mobile control
Communication between end 100 processed and water heater control terminal 200 also and nisi stabilization because, if mobile control terminal 100 is in
Between communication between communication ends 300 be abnormal the communication hair either between intermediate communication end 300 and water heater control terminal 200
It is raw abnormal, it can all cause mobile communication between control terminal 100 and water heater control terminal 200 to be abnormal.Saying specifically, when
When third wireless communication unit 323 and the second 223 communication abnormality of wireless communication unit, that is, characterize third communication module 320 and the
Between communication between two wireless communication modules is abnormal, and then characterization moves between control terminal 100 and water heater control terminal 200
Exception has occurred in the communication for connecing foundation, and third communication control unit 321 feeds back centre to the first communication control unit 121 at this time
The information of communication ends 300 and 200 communication abnormality of water heater control terminal；Also, when the first wireless communication unit 123 and third are wireless
When communication between communication unit 323 is abnormal, that is, characterize between the first wireless communication module and third wireless communication module
Communication exception has occurred, and then also characterize the communication established indirectly between mobile control terminal 100 and water heater control terminal 200
Exception has occurred.
Based on this, when the first wireless communication unit 123 is with third 323 communication abnormality of wireless communication unit or first communicates
Control unit 121 receives the intermediate communication end 300 that third communication control unit 321 is fed back and water heater control terminal 200 is logical
When believing abnormal information, that is, characterizes mobile control terminal 100 and exception has occurred with the communication that water heater control terminal 200 is established indirectly,
User's control instruction caused by mobile control terminal 100 can not be sent to water heater control by intermediate communication end 300 at this time
End 200 processed is so that water heater control terminal 200 controls water heater and executes corresponding operation, and the first communication control unit 121 is at this time
The information of the movement control terminal 100 and 200 communication abnormality of water heater control terminal is fed back to the first operation display terminal 130, so that
The information of the first operation display of display terminal 130 mobile control terminal 100 and 200 communication abnormality of water heater control terminal, so to
Family shows that currently control instruction can not have been sent to water heater control terminal 200 to control water heater by the movement control terminal 100
Execute corresponding operation.
Based on above-mentioned design, a kind of water heater control system 10 that the utility model embodiment is provided is controlled when mobile
The communication between communication or intermediate communication end 300 and water heater control terminal 200 between end 100 and intermediate communication end 300 occurs
When abnormal, the first communication control unit 121 is i.e. to the first mobile control terminal 100 of the operation feedback of display terminal 130 and water heater control
The information of 200 communication abnormality of end processed, and then show currently to have controlled to water heater by the movement control terminal 100 to user
200 transmission control instruction of end executes corresponding operation to control water heater, and then promotes the experience of user.
Meanwhile as an implementation, the first communication control unit 121 is additionally operable to the first operation display terminal 130
The current mobile control terminal 100 of feedback establishes the communication pattern communicated with water heater control terminal 200, so that the first operation display terminal
The communication pattern that the 130 current mobile control terminals 100 of display are communicated with the foundation of water heater control terminal 200, so make user clearly when
Communication pattern between preceding mobile control terminal 100 and water heater control terminal 200.Wherein, mobile control terminal 100 is controlled with water heater
Communication pattern between end 200 includes direct communication pattern and indirect communication module, direct communication modeling movement control
End 100 is established in such a way that first communication module 120 is communicated with the foundation of second communication module 220 with water heater control terminal 200
Communication, that is to say, that mobile control terminal 100 can the first control instruction be directly sent to water heater control terminal 200 and without
Other endpoints；The indirect communication modeling moves control terminal 100 and is established by the first communication control and third communication module 320
Communication, and third communication module 320 is established the mode communicated with second communication module 220 and is established with water heater control terminal 200 and led to
Letter, that is to say, that the first control instruction of mobile control terminal 100 needs after being first sent to intermediate communication end 300, then logical by centre
Letter end 300 is sent to water heater control terminal 200, so that water heater control terminal 200 controls water heater and executes corresponding operation.Example
Such as, when the communication mode between mobile control terminal 100 and water heater control terminal 200 uses direct communication pattern, the first communication
Control unit 121 feeds back " direct communication pattern " to the first operation display terminal 130, at this time the first operation display terminal 130
" direct communication pattern " printed words are shown so that the clear current water heater control system 10 of user uses mobile control terminal
100 directly establish the pattern communicated with water heater control terminal 200；When between mobile control terminal 100 and water heater control terminal 200
Communication mode use indirect communication pattern when, the first communication control unit 121 i.e. to first operation display terminal 130 feedback "
Connect communication pattern ", at this time first display terminal 130 i.e. display " indirect communication pattern " printed words are operated so that user defines current be somebody's turn to do
Water heater control system 10 uses mobile control terminal 100 first to be established with intermediate communication end 300 and communicates, intermediate communication end 300
The mode communicated again with the foundation of water heater control terminal 200 establishes the communication between mobile control terminal 100 and water heater control terminal 200
Pattern.
Based on above-mentioned design, a kind of water heater control system 10 that the utility model embodiment is provided, by setting by
First communication control unit 121 feeds back current mobile control terminal 100 and water heater control terminal to the first operation display terminal 130
The pattern of communication is established between 200, so as to be carried out between the clear current mobile control terminal 100 of user and water heater control terminal 200
The mode of communication, and then promote the experience of user.
Meanwhile it is worth noting that, as another embodiment, which can also be by
Two communication modules 220 are arranged the second communication control unit 221 and realize first communication module to replace the first communication control unit 121
The communication established between 120 and second communication module 220.Specifically, referring to Fig. 2, Fig. 2 shows the utility model embodiments
Another schematic diagram of a kind of water heater control system 10 provided, at this point, the first power carrier unit 122 and
One wireless communication unit 123 is electrically connected with the first power module 110 and first operation display terminal 130 respectively, the second communication mould
Block 220 includes the second communication control unit 221 and the second power carrier being electrically connected respectively with second communication control unit 221
Unit 222 and the second wireless communication unit 223, second communication control unit 221 respectively with second power supply module 210 and hot water
Device controller 230 is electrically connected.When the water heater control system 10 powers on, the second communication control unit 221 controls the second electricity
Power carrier units 222 are communicated with the foundation of the first power carrier unit 122, when the second power carrier unit 222 and the first electric power carry
When wave 122 communication abnormality of unit, the second communication control unit 221 controls the second wireless communication unit 223 and the first channel radio
Believe that unit 123 establishes communication；When the second wireless communication control unit and the first wireless communication unit 123 are abnormal, i.e. table
First communication module 120 and 220 communication abnormality of second communication module are levied, the second communication control unit 221 is i.e. logical to third at this time
Believe that control unit 321 sends the second control instruction, so that third control instruction establishes first communication module 120 and third communication mould
Communication between block 320 and establish communication between third communication module 320 and second communication module 220.Wherein, work as third
After communication control unit 321 receives the second through-hole control instruction, that is, establishes third power carrier unit 322 and the first electric power carries
Communication between wave unit 122, and when the communication between third power carrier unit 322 and the first power carrier unit 122
When being abnormal, that is, establish the communication between third wireless communication unit 323 and the first wireless communication unit 123；And third
Communication control unit 321 also controls the communication between the foundation of third power carrier unit 322 and the second power carrier unit 222,
And when third power carrier unit 322 and the second power carrier 222 communication abnormality of unit, that is, it is single to establish third wireless communication
Communication between member 323 and the second wireless communication unit 223.
It is worth noting that since different building structures has different characteristics, in some floor areas, the water heater control
In system 10 processed, if an intermediate communication end 300 is only arranged, still probably due to apart from reason, lead to 100 energy of mobile control terminal
Enough established with intermediate communication end 300 communicates, but intermediate communication end 300 can not be established with water heater control terminal 200 and communicate, at this point,
Multiple intermediate communication ends 300 can be set to establish mobile control terminal 100 and heat by way of repeatedly establishing communication indirectly
Communication between hydrophone control terminal 200.For example, referring to Fig. 3, Fig. 3 shows one kind that the utility model embodiment is provided
Another schematic diagram of water heater control system 10 still may be used if only there are one intermediate communication ends 300 for setting at this time
The communication between mobile control terminal 100 and water heater control terminal 200 can not be established, therefore, at this point, it is logical that multiple centres can be arranged
Believe end 300, by the communication mutually established between intermediate communication end 300, then will mobile control terminal 100 and water heater control terminal
Communication is established between 200.
Referring to Fig. 4, Fig. 4 shows that a kind of one kind for water heater control method that the utility model embodiment is provided is shown
Meaning property flow chart, the water heater control method are applied to the water heater control system that above-mentioned the utility model embodiment is provided
10, the water heater control system 10 includes mobile control terminal 100, water heater control terminal 200 and intermediate communication end 300, described
Mobile control terminal 100 is established with the water heater control terminal 200 and the intermediate communication end 300 to be communicated, the intermediate communication
End 300 is also communicated with the water heater control terminal 200 foundation；Wherein, the mobile control terminal 100 is provided with first communication module
120, the water heater control terminal 200 is provided with second communication module 220, and the intermediate communication end 300 is provided with the third communication
Module 320, the water heater control method include the following steps：
Step S100, when water heater control system powers on, mobile control terminal is communicated by first communication module with second
The communication that module is established.
Wherein, the first communication module 120 includes the first communication control unit 121 and communicates control with described first respectively
The the first power carrier unit 122 and the first wireless communication unit 123 that unit 121 processed is electrically connected, the second communication module 220
Including the second power carrier unit 222 and the second wireless communication unit 223, the second power carrier unit 222 is used for and institute
It states the first power carrier unit 122 and establishes communication, second wireless communication unit 223 is used for single with first wireless communication
Member 123 establishes communication.As an implementation, specifically, referring to Fig. 5, Fig. 5 is the sub-step of step S100 in Fig. 4
A kind of schematic flow chart, in the utility model embodiment, step S100 includes following sub-step：
Sub-step S110, when water heater control system powers on, first communication control unit controls the first power carrier list
Member is communicated with the foundation of the second power carrier unit.
Sub-step S120, when the first power carrier unit and the second power carrier unit communication exception, the first communication control
Unit processed controls the first wireless communication unit and is communicated with the foundation of the second wireless communication unit.
Step S200, when first communication module and second communication module communication abnormality, first communication module is logical with third
Letter module establishes communication and third communication module is communicated with second communication module foundation.
Wherein, third communication module 320 includes third communication control unit 321 and controls list with the third communication respectively
The third power carrier unit 322 and third wireless communication unit 323 of 321 electrical connection of member, the third power carrier unit 322
For being communicated with the first power carrier unit 122 and with the second power carrier unit 222 foundation, the third is wireless
Communication unit 323 is used to communicate with first wireless communication unit 123 and with 223 resume of the second wireless communication unit.
As an implementation, specifically, referring to Fig. 6, Fig. 6 is a kind of schematic flow of the sub-step of step S200 in Fig. 4
Figure, in the utility model embodiment, step S200 includes following sub-step：
Sub-step S210, when first communication module and second communication module communication abnormality, the first communication control unit control
The first power carrier unit is made to communicate with the foundation of third power carrier unit.
Sub-step S220, when the first power carrier unit and third power carrier unit communication exception, the first communication control
Unit processed controls the first wireless communication unit and is communicated with the foundation of third wireless communication unit.
Sub-step S230, third communication control unit controls third power carrier unit and the second power carrier unit is established
Communication.
Sub-step S240, when third power carrier unit and the second power carrier unit communication exception, third communication control
Unit control third wireless communication unit processed is communicated with the foundation of the second wireless communication unit.
As an implementation, please continue to refer to Fig. 4, in the utility model embodiment, the water heater control method
Further include step S300, when the first wireless communication unit and third wireless communication unit communication abnormality or the first communication control unit
When receiving intermediate communication end and the information of water heater control terminal communication abnormality of third communication control unit feedback, the first communication
Control unit feeds back the information of mobile control terminal and water heater control terminal communication abnormality to the first operation display terminal, so that first
Operate the information of display terminal display mobile control terminal and water heater control terminal communication abnormality.
As an implementation, please continue to refer to Fig. 4, in the utility model embodiment, the water heater control method
Further include step S400, the first communication control unit feeds back current mobile control terminal and water heater control to the first operation display terminal
The communication pattern of communication is established at end processed, so that the first operation display terminal shows that current mobile control terminal is built with water heater control terminal
The communication pattern of vertical communication.
Wherein, the communication pattern includes direct communication pattern and indirect communication pattern；Wherein, the direct communication pattern
It characterizes the mobile control terminal 100 and the side communicated is established with the second communication module 220 by the first communication module 120
Formula is communicated with the water heater control terminal 200 foundation；Mobile control terminal 100 described in the indirect communication modeling passes through described
First communication module 120 is communicated with the third communication module 320 foundation, and the third communication module 320 and described second
The mode that communication module 220 establishes communication is communicated with the water heater control terminal 200 foundation.
The utility model embodiment also provides a kind of water heater, which includes that above-mentioned the utility model embodiment is carried
A kind of water heater control system 10 supplied.The water heater control system 10 includes mobile control terminal 100, water heater control terminal
200 and intermediate communication end 300, the mobile control terminal 100 and the water heater control terminal 200 and the intermediate communication end 300
Communication is established, the intermediate communication end 300 is also communicated with the water heater control terminal 200 foundation；The mobile control terminal 100
Including be sequentially connected electrically the first power module 110, first communication module 120 and first operate display terminal 130, described first
Power module 110 for accessing power cord and being 100 powered operation of mobile control terminal, use by the first communication module 120
It is communicated in being established with the water heater control terminal 200 or the intermediate communication end 300, the first operation display terminal 130 is used
In generate the first control instruction and be sent to by the first communication module 120 the water heater control terminal 200 or it is described in
Between communication ends 300；The water heater control terminal 200 includes the second power supply module 210 being sequentially connected electrically, second communication module
220 and water heater controller 230, the second power supply module 210 is for accessing power cord and being the water heater control terminal 200
Powered operation, the second communication module 220 are used to establish with the mobile control terminal 100 or the intermediate communication end 300 logical
Believe and receive first control instruction that the mobile control terminal 100 or the intermediate communication end 300 are sent and by described the
One control instruction is sent to the water heater controller 230, and the water heater controller 230 refers to for responding first control
It enables and executes corresponding operation to control the water heater；The intermediate communication end 300 includes that third power module 310 and third are logical
Believe that module 320, the third power module 310 are described for accessing power cord and being 300 powered operation of intermediate communication end
Third communication module 320 is used to communicate with the mobile control terminal 100 and the water heater control terminal 200 foundation, and receives institute
It states first control instruction of the transmission of mobile control terminal 100 and first control instruction is sent to the water heater and control
End 200；Wherein, when the water heater control system 10 powers on, the mobile control terminal 100 passes through the first communication module
120 communications established with the second communication module 220, the water heater control terminal is sent to by first control instruction
200；When the first communication module 120 and 220 communication abnormality of second communication module, the first communication module 120
It is communicated with the third communication module 320 foundation and the third communication module 320 is established with the second communication module 220 and led to
Letter, so that after first control instruction is sent to the intermediate communication end 300 by the mobile control terminal 100, the centre
First control instruction is sent to the water heater control terminal 200 by communication ends 300.
In conclusion a kind of water heater control system 10 and water heater that the utility model embodiment is provided, by
Intermediate communication end 300 is set in water heater control system 10, so that straight between mobile control terminal 100 and water heater control terminal 200
When connecing the communication of foundation and being abnormal, mobile control terminal 100 can be by the communication established with intermediate communication end 300, Yi Jizhong
Between the communication established of communication ends 300 and water heater control terminal 200, indirectly realize mobile control terminal 100 and water heater control terminal
200 establish communication, to keep mobile control terminal 100 to control the instruction of water heater control terminal 200, compared to the prior art,
Mobile control terminal 100 can be promoted and reliability when water heater control terminal 200 is in communication with each other；Also by when mobile control terminal
Communication between communication or intermediate communication end 300 and water heater control terminal 200 between 100 and intermediate communication end 300 occurs different
Chang Shi, the first communication control unit 121 are controlled to the first mobile control terminal 100 of the operation feedback of display terminal 130 with water heater
Hold the information of 200 communication abnormalities, so to user show it is current can not be by the movement control terminal 100 to water heater control terminal
200 transmission control instructions execute corresponding operation to control water heater, and then promote the experience of user；Also by being arranged by first
Communication control unit 121 to the first operation display terminal 130 feed back current mobile control terminal 100 and water heater control terminal 200 it
Between establish the pattern of communication, so as to be communicated between the clear current mobile control terminal 100 of user and water heater control terminal 200
Mode, and then promote the experience of user.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (10)
1. a kind of water heater control system, which is characterized in that be applied to water heater, the water heater control system includes mobile controls
End, water heater control terminal and intermediate communication end processed, the mobile control terminal and the water heater control terminal and the intermediate communication
Communication is established at end, and the intermediate communication end is also communicated with water heater control terminal foundation；
The mobile control terminal includes that the first power module being sequentially connected electrically, first communication module and the first operation display are whole
End, first power module is for accessing power cord and being the mobile control terminal powered operation, the first communication module
Communicate for being established with the water heater control terminal or the intermediate communication end, the first operation display terminal is for generation the
One control instruction is simultaneously sent to the water heater control terminal or the intermediate communication end by the first communication module；
The water heater control terminal includes the second power supply module being sequentially connected electrically, second communication module and water heater controller,
The second power supply module for accessing power cord and being the water heater control terminal powered operation, use by the second communication module
It communicates in being established with the mobile control terminal or the intermediate communication end and receives the mobile control terminal or the intermediate communication
It holds first control instruction sent and first control instruction is sent to the water heater controller, the water heater
Controller controls the water heater for responding first control instruction and executes corresponding operation；
The intermediate communication end includes third power module and third communication module, and the third power module is for accessing power supply
Line and be intermediate communication end powered operation, the third communication module be used for and the mobile control terminal and the water heater
Control terminal establishes communication, and receives first control instruction that the mobile control terminal is sent and by first control instruction
It is sent to the water heater control terminal；Wherein,
When the water heater control system powers on, the mobile control terminal is logical with described second by the first communication module
Believe the communication that module is established, first control instruction is sent to the water heater control terminal；
When the first communication module and the second communication module communication abnormality, the first communication module and the third
Communication module establishes communication and the third communication module is communicated with second communication module foundation, so that the mobile control
After first control instruction is sent to the intermediate communication end by end, first control instruction is sent out at the intermediate communication end
Give the water heater control terminal.
2. water heater control system as described in claim 1, which is characterized in that the first communication module includes the first communication
Control unit and the first power carrier unit being electrically connected respectively with first communication control unit and the first wireless communication are single
Member, first communication control unit are also electrically connected with first power module and the first operation display terminal respectively；
The second communication module includes the second power carrier unit and the second wireless communication unit, the second power carrier list
First and described second wireless communication unit is respectively electrically connected with the second power supply module and the water heater controller, described
Second power carrier unit be used for the first power carrier unit foundation communicate, second wireless communication unit for
First wireless communication unit establishes communication；Wherein,
When the water heater control system powers on, the first power carrier unit described in first communication control unit controls with
The second power carrier unit establishes communication；
When the first power carrier unit and the second power carrier unit communication exception, the first communication control list
Member controls first wireless communication unit and is communicated with second wireless communication unit foundation；
When first wireless communication unit and the second wireless communication unit communication abnormality, the first communication control unit is sentenced
The fixed first communication module and the second communication module communication abnormality.
3. water heater control system as claimed in claim 2, which is characterized in that the third communication module includes the third communication
Control unit and the third power carrier unit being electrically connected respectively with the third communication control unit and third wireless communication are single
Member, the third communication control unit are also electrically connected with the third power module, the third power carrier unit be used for
The first power carrier unit and/or the second power carrier unit establish communication, and the third wireless communication unit is used
It is communicated in first wireless communication unit and/or second wireless communication unit foundation；Wherein,
When the first communication module and the second communication module communication abnormality, the first communication control unit controls institute
The first power carrier unit is stated to communicate with third power carrier unit foundation；
When the first power carrier unit and the third power carrier unit communication exception, the first communication control list
Member controls first wireless communication unit and is communicated with third wireless communication unit foundation；
Also, the third communication control unit controls the third power carrier unit and is built with the second power carrier unit
Vertical communication；
When the third power carrier unit and the second power carrier unit communication exception, the third communication control is single
Member controls the third wireless communication unit and is communicated with second wireless communication unit foundation.
4. water heater control system as claimed in claim 3, which is characterized in that the third communication control unit uses PLC.
5. water heater control system as claimed in claim 3, which is characterized in that when the third wireless communication unit with it is described
When the second wireless communication unit communication abnormality, the third communication control unit is to described in first communication control unit feedback
The information at intermediate communication end and the water heater control terminal communication abnormality；
When first wireless communication unit and the third wireless communication unit communication abnormality or the first communication control list
Member receives the intermediate communication end of the third communication control unit feedback and the water heater control terminal communication abnormality
When information, first communication control unit feeds back the mobile control terminal and the hot water to the first operation display terminal
The information of device control terminal communication abnormality, so that the first operation display terminal shows the mobile control terminal and the water heater
The information of control terminal communication abnormality.
6. water heater control system as claimed in claim 3, which is characterized in that first communication control unit be additionally operable to
The first operation display terminal feeds back presently described mobile control terminal and establishes the communication mould communicated with the water heater control terminal
Formula is led to so that the first operation display terminal shows that the presently described mobile control terminal is established with the water heater control terminal
The communication pattern of letter.
7. water heater control system as claimed in claim 6, which is characterized in that the communication pattern includes direct communication pattern
With indirect communication pattern；Wherein,
Mobile control terminal described in the direct communication modeling passes through the first communication module and the second communication module
The mode for establishing communication is communicated with water heater control terminal foundation；
Mobile control terminal described in the indirect communication modeling passes through the first communication module and the third communication module
Communication is established, and the third communication module establishes the mode communicated and the water heater control terminal with the second communication module
Establish communication.
8. the water heater control system as described in any one of claim 3-7, which is characterized in that first wireless communication is single
First, described second wireless communication unit and the third wireless communication unit are 433 wireless communication modules.
9. water heater control system as described in claim 1, which is characterized in that first communication control unit uses PLC.
10. a kind of water heater, which is characterized in that the water heater includes water heater as claimed in any one of claims 1-9 wherein
Control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820291774.8U CN207922585U (en) | 2018-03-01 | 2018-03-01 | Water heater control system and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820291774.8U CN207922585U (en) | 2018-03-01 | 2018-03-01 | Water heater control system and water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207922585U true CN207922585U (en) | 2018-09-28 |
Family
ID=63601897
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820291774.8U Expired - Fee Related CN207922585U (en) | 2018-03-01 | 2018-03-01 | Water heater control system and water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207922585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332426A (en) * | 2018-03-01 | 2018-07-27 | 广东万家乐燃气具有限公司 | Water heater control system, method and water heater |
-
2018
- 2018-03-01 CN CN201820291774.8U patent/CN207922585U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332426A (en) * | 2018-03-01 | 2018-07-27 | 广东万家乐燃气具有限公司 | Water heater control system, method and water heater |
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Granted publication date: 20180928 Termination date: 20200301 |