CN109297196A

CN109297196A - Water heater control method and system and water heater

Info

Publication number: CN109297196A
Application number: CN201810963081.3A
Authority: CN
Inventors: 张南佑; 胡浩然; 宋志忠; 韩子鹏
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2018-08-22
Filing date: 2018-08-22
Publication date: 2019-02-01
Anticipated expiration: 2038-08-22
Also published as: CN109297196B

Abstract

The invention provides a water heater control method, a water heater control system and a water heater, wherein the method comprises the following steps: the method comprises the following steps: the second controller sends first information to the first controller so that the first controller sends first feedback information, wherein the first feedback information comprises state information of the water heater; the second controller receives the first feedback information; if the second controller receives the first feedback information, judging whether the water heater has a fault according to the state information in the first feedback information, and if so, disconnecting a first power line of the heating device; and/or if the second controller does not receive the first feedback information and the continuous time of not receiving the first feedback information reaches the first time, disconnecting the first power line of the heating device, thereby preventing the instant water heater from being dried or exploded due to the abnormal work of the first controller.

Description

Water heater control method, system and water heater

Technical field

The present invention relates to field of water heaters, in particular to water heater control method, system and water heater.

Background technique

Existing water heater mainly has immediately heating water heater, storage-type electric water heater and gas heater.Immediately heating water heater When because of section, power saving, effluent temperature constancy, many reasons such as small and exquisite are increasingly liked by consumer.But immediately heating water heater is wanted Ask rated power larger, heating cavity is smaller, easily generates bubble in use, this water for being mixed with air is heated, If discharge will result in dry combustion method, or even explosion not in time, in the case that the main control chip of especially control heater is out of control, out Taps are not switched on, and water heater is but heated always, the appearance for this abnormal conditions, it is likely that lives and properties is caused to pacify Entirely.

Control system is likely encountered various interference and the random faule of itself in practical applications, and it is out of control that there are controllers Risk.

It is therefore prevented that immediately heating water heater occur be because of water heater dry combustion method or explosion caused by controller abnormal work This field urgent problem to be solved.

Summary of the invention

The present invention provides a kind of water heater control method, system and water heaters, to prevent immediately heating water heater from occurring Because of water heater dry combustion method or explosion caused by controller abnormal work.

To solve the above-mentioned problems, as one aspect of the present invention, a kind of water heater control method, water heater are provided For immediately heating water heater, including the first controller, second controller and heating device, comprising:

Second controller sends the first information to the first controller, so that the first controller sends the first feedback information, the One feedback information includes the status information of water heater；

Second controller receives the first feedback information；

If second controller receives the first feedback information, water heater is judged according to the status information in the first feedback information With the presence or absence of failure, if so, disconnecting the first power supply line of heating device；

And/or if second controller does not receive the first feedback information and does not receive the consecutive hours of the first feedback information Between reach at the first time, then disconnect the first power supply line of heating device.

Optionally, second controller receives the first feedback information, comprising:

Second controller receives information to be certified；

If second controller receives information to be certified, judged according to the first code of information to be certified and/or identifying code wait recognize Demonstrate,prove whether information is the first feedback information.

Optionally, second controller sends the first information to the first controller, comprising:

Second controller sends a first information to the first controller every the period 1.

Optionally, further includes:

Second controller detects the instant water flow of water heater when water heater is in open state；

If instant water flow is not less than starting flow and failure is not present in the first feedback information display water heater received, Then connect the first power supply line of heating device；

And/or

If instant water flow is less than starting flow, the first power supply line of heating device is disconnected.

Optionally, further includes:

If the continuous time that instant water flow is less than starting flow reached for the second time, the electricity of the first controller is disconnected Source.

Optionally, further includes:

Reach if second controller does not receive the first feedback information and do not receive continuous time of the first feedback information The third time then disconnects the power supply of the first controller, wherein the third time is greater than at the first time.

Optionally, further includes:

Second controller receives power on request, sends starting-up signal to the first controller, so that the first controller opens heat Hydrophone；

And/or

Second controller receives shutdown request, sends off signal to the first controller, so that the first controller closes heat Hydrophone；

Wherein, when water heater is in off-mode, the first power supply line of heating device is disconnected.

The application also proposes a kind of water heater control method, and water heater is immediately heating water heater, including the first controller, Two controllers and heating device, comprising:

First controller receives the first information that second controller is sent；

If the first controller receives the first information, the first feedback information, the first feedback letter are sent to second controller Breath includes the status information of water heater；Wherein, if second controller judges hot water according to the status information in the first feedback information There are failures for device, then disconnect the first power supply line of heating device；

And/or if the first controller, which does not receive the first information and do not receive duration of the first information, reaches One preset time then disconnects the second source line of heating device.

Optionally, further includes: the first controller judges water heater with the presence or absence of failure according to the status information of water heater；

If judging water heater, there are failures, the second source line of heating device is disconnected.

Optionally, the first controller receives the first information that second controller is sent, comprising:

First controller receives measurement information to be checked；

If the first controller receives measurement information to be checked, judged according to the first code of measurement information to be checked and/or identifying code wait recognize Demonstrate,prove whether information is the first information.

Optionally, the first feedback information is sent to second controller, comprising:

It is received after the first information reaches the second preset time in the first controller, sends the first feedback to second controller Information.

Optionally, further includes:

First controller detects the instant water flow of water heater when water heater is in open state；

If instant water flow is less than starting flow, the second source line of heating device is disconnected.

Optionally, further includes:

First controller receives the starting-up signal that second controller is sent, and starting-up signal is for opening water heater；

If the first controller receives the instant water flow of starting-up signal, water heater not less than the duration for starting flow Reach third preset time and status information display water heater there is no failure, then open water heater and connects the of heating device Two power supply lines；

And/or

If the first controller does not receive starting-up signal, the second source line of heating device is disconnected.

Optionally, further includes:

If the first controller does not receive the first information and to reach the 4th default continuous time for not receiving the first information Time, then the second source line of heating device is disconnected, the 4th preset time is greater than the first preset time.

Optionally, further includes:

First controller receives the off signal that second controller is sent, and closes water heater；

Wherein, when water heater is in off-mode, the second source line of heating device is disconnected.

The application also proposes that a kind of water heater control system, water heater are immediately heating water heater, including the first controller, Two controllers and heating device, comprising:

Sending module sends the first information to the first controller for second controller, so that the first controller sends the One feedback information, the first feedback information include the status information of water heater；

Receiving module receives the first feedback information for second controller；

Control module, if receiving the first feedback information for second controller, according to the state in the first feedback information Information judges water heater with the presence or absence of failure, if so, disconnecting the first power supply line of heating device；

And/or control module is also used to: if second controller does not receive the first feedback information and do not receive first instead The continuous time of feedforward information reaches at the first time, then disconnects the first power supply line of heating device.

Second controller receives information to be certified；

Optionally, further includes: water flow detection module, for second controller when water heater is in open state, detection The instant water flow of water heater；

And/or

Optionally, water flow detection module is also used to:

Optionally, control module is also used to:

If second controller, which does not receive the first feedback information and do not received for the first feedback information continuous time, reaches Three times then disconnected the power supply of the first controller, wherein the third time is greater than at the first time.

Optionally, sending module is also used to:

And/or

Module is collected, receives the first information that second controller is sent for the first controller；

Delivery module sends the first feedback information to second controller if the first controller receives the first information, the One feedback information includes the status information of water heater；Wherein, if second controller is according to the status information in the first feedback information Judging water heater, there are failures, then disconnect the first power supply line of heating device；

And/or further include main control module, if not receiving the first information for the first controller and not receiving the first letter The duration of breath reaches the first preset time, then disconnects the second source line of heating device.

Optionally, including main control module, whether water heater is judged according to the status information of water heater for the first controller There are failures；

First controller receives measurement information to be checked；

Optionally, delivery module sends the first feedback information to second controller, comprising:

Optionally, further includes: water flow monitoring module detects heat when water heater is in open state for the first controller The instant water flow of hydrophone；

Optionally, main control module is also used to:

And/or

Optionally, main control module is also used to:

The application also proposes a kind of water heater, including processor, memory and storage on a memory can be in processors The step of program of upper operation, processor realizes either the application proposition method when executing program.

The application also proposes a kind of water heater, any system proposed including the application.

The invention proposes a kind of water heater control method, system and water heater, water heaters to include for immediately heating water heater First controller, second controller and heating device, the first feedback letter that the first controller of second controller real-time reception is sent Breath, and the first power supply line of result control heating device based on the received, to prevent immediately heating water heater from occurring because of the first control Water heater dry combustion method or explosion caused by device abnormal work processed.

Detailed description of the invention

Fig. 1 is a kind of flow chart of water heater control method in the embodiment of the present invention；

Fig. 2 is the flow chart of another water heater control method in the embodiment of the present invention；

Fig. 3 is the control flow chart of second controller in the embodiment of the present invention；

Fig. 4 is the control flow chart of the first controller in the embodiment of the present invention；

Fig. 5 is a kind of composition figure of water heater control system in the embodiment of the present invention；

Fig. 6 is a kind of composition figure of water heater control system in the embodiment of the present invention.

Specific embodiment

To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the present invention one Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.

It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover Covering non-exclusive includes to be not necessarily limited to for example, containing the process, method of a series of steps or units, device, product or electric appliance Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product Or other step or units that electric appliance is intrinsic.

Based on this, the application proposes a kind of water heater control method, and the water heater is instant heating type hot water in this application Device, including the first controller, second controller and heating device, as shown in Figure 1, the method that the application proposes includes:

S11: second controller sends the first information to the first controller, so that the first controller sends the first feedback letter Breath.

In this application, the first information for example can be the power-on instruction of water heater, shutdown command, temperature setting instruction Deng being not construed as limiting to this application.By sending the first information, it can show the control for starting to carry out water heater to the first controller System, the first controller can feed back the first feedback information after receiving the first information, and the first controller can also be whether The first information is received, all sends a string of first feedback informations every fixed a period of time, the first feedback information includes hot water The status information of device, the status information of water heater may include whether the operating status of water heater all parts, all parts have The information such as failure, status information, the status information of output water temperature detection part, hot water for example including inlet water temperature detection part The status information of device power supply module, these status informations can recorde corresponding component with the presence or absence of failure.

S12: second controller receives the first feedback information.

In this step, it is persistently opened in second controller for receiving the reception device of the first feedback information, in prison State is listened, the first feedback information is persistently received.

S13: if second controller receives the first feedback information, heat is judged according to the status information in the first feedback information Hydrophone whether there is failure, if so, disconnecting the first power supply line of heating device.

When receiving the first feedback information, the status information of water heater is just obtained from the first feedback information, from And judge whether normal operation if there is failure can show fault message for all parts of water heater, and disconnect heating dress The first power supply line set, the first power supply line can be firewire or zero curve, because being disconnected the first power supply line, water heater Heating device is not available, so even if water heater there are failures, security risk will not be caused, be not in that water heater is dry The problems such as burning, exploding.

S14: if second controller does not receive the first feedback information and do not receive the continuous time of the first feedback information Reach at the first time, then disconnects the first power supply line of heating device.

The method that the application proposes may include step S13 and/or S14: step S14 for receiving the first feedback information Reception device is persistently opened, and attempts to receive the first feedback information, is recorded from the continuous time for attempting the first feedback information of reception, should Since continuous time can be having sent after the first information timing to the current time, or just begin trying reception first For feedback information to the current time, the reception device of second controller is always on for receiving the first feedback information, when first Between can be 20s, i.e., the first power supply line of heating device is disconnected if continuous 20s is not received by.If it is at first In, i.e. the first feedback information is received within 20s, then executes S13.Optionally, the first feedback information can be periodically anti- It is fed back to, and feedback cycle is less than first time, therefore the continuous time that ought do not receive the first feedback information reaches When first time, show that the first controller communication failure, the damage of the first controller occurs or for receiving the first feedback information There is the problems such as communication failure in reception device, in order to guarantee the personal safety of user in water heater use process, prevents because of first Controller failure causes water heater dry combustion method or explosion, disconnects the first power supply line of heating device and can show fault message, example Whether the reception device that such as can first detect for receiving the first feedback information is faulty, if there is then showing fault message, such as Fruit does not judge that the first controller breaks down then.

Preferably, in some alternative embodiments, second controller receives the first feedback information, comprising:

Second controller receives information to be certified；

If receiving information to be certified, whether information to be certified is judged according to the first code of information to be certified and/or identifying code For the first feedback information.

In the present embodiment, for being controlled for receiving the reception device of the first feedback information with first in second controller It can be wired connection or wireless connection between device, when it is wired connection and receives information to be certified, information to be certified Sender be the first controller, but because the first controller can also send other kinds of information, it is therefore desirable to judgement connect Whether the information received is the first feedback information.When being wirelessly connected with the first controller, due to then need to judge to receive The sender of information type and information judges whether the first feedback information for receiving the transmission of the first controller.First feedback Information may include first code, effective information and identifying code, and effective information can be the status information of water heater, the first feedback information It may include one in first code and identifying code or all include that first code and identifying code are the communications communicated with the first controller Specified in agreement, if the information to be certified received includes first code and/or identifying code, and format meets preset format, table The bright information to be certified is the first feedback information that the first controller is sent.By setting first code and/or identifying code improve with The safety and reliability of first controller communication, to prevent from leading to maloperation because receiving interference signal.

Preferably, in some alternative embodiments, second controller sends the first information to the first controller, comprising: Second controller sends a first information to the first controller every the period 1.

In the present embodiment, the period 1 can be 250ms, 10s or 20s, by the continuous duplicate transmission first information, It can show current operation conditions to the first controller, and verify communication line with the presence or absence of failure, and because the first control Device processed can feed back the first feedback information after receiving the first information, therefore the periodicity sending first information can also promote first The first feedback information of controller periodic feedback, so that the state of water heater is monitored in real time, to further increase water heater Safety, ensure user using water heater process using safe.

Preferably, in some alternative embodiments, the method that the application proposes further include:

And/or if water flow is less than starting flow immediately, disconnect the first power supply line of heating device.

In the present embodiment, instant water flow is the water flow of current water heater, and starting flow can be preset use In the minimum water flow for opening heating device.When user uses water heater, instant water flow is not less than starting flow and water heater There is no can just be heated when failure, if water flow is less than starting flow immediately, show without being heated, therefore disconnected The first power supply line of heating device is opened, accordingly even when fortuitous event occur leads to safety problem, since heating device can not heat, Security risk can also be reduced.

Preferably, in some alternative embodiments, the method that the application proposes further include: opened if instant water flow is less than The continuous time of dynamic flow reached for the second time, then disconnected the power supply of the first controller.

Specifically, water flow is always less than starting flow immediately, shows user and water heater is not used, if heat is not used The time of hydrophone reached for the second time, wherein the second time was preset time span, showed that user not will use hot heat temporarily Phase, therefore in order to save electric power, the power supply of the first controller is disconnected, while preventing the first controller because failure is sent to water heater The control information of mistake, leads to water heater abnormal work.

Preferably, in some alternative embodiments, the method that the application proposes further include: if second controller does not receive It did not received to the first feedback information and for the first feedback information continuous time and reaches the third time, then disconnect the electricity of the first controller Source, wherein the third time is greater than at the first time.

In the present embodiment, it is not received by the first feedback information, showing parts of water heater, there are failures, are disconnected heating Device, and can show fault message or send notification information to user, reach the third time when continuous time, illustrates user Water heater can not be temporarily repaired, and because water heater failure can not also be heated, disconnects the power supply of the first controller, To save power supply and prevent the first controller from sending wrong control information to water heater.

Optionally, in the method proposed in this application, further includes:

Second controller receives power on request, sends starting-up signal to first controller, so that first control Device opens the water heater；

And/or

Second controller receives shutdown request, sends off signal to first controller, so that first control Device closes the water heater；

Wherein, when the water heater is in off-mode, the first power supply line of the heating device is disconnected.

Specifically, power on request or shutdown request that second controller is sent according to user send to the first controller and are switched on Signal or off signal.Such as user clicks the key or Trackpad on second controller, is switched on sending to the first controller After signal, the first power supply line of heating device can be connected, after sending off signal to the first controller, heating can be disconnected First power supply line of device.Starting-up signal and off signal can be sent in the form of the first information, or be sent out otherwise It send, this application is not construed as limiting.

The application also proposes another water heater control method, and water heater includes the first controller, second controller and adds Thermal, as shown in Figure 2, comprising:

S21: the first controller receives the first information that second controller is sent；

S22: if the first controller receives the first information, the first feedback information is sent to second controller；

Specifically, the first feedback information includes the status information of water heater；If the second controller is according to described first The status information in feedback information judges water heater, and there are failures, then disconnect the first power supply line of the heating device；

And/or

S23: if the first controller, which does not receive the first information and do not receive duration of the first information, reaches first Preset time then disconnects the second source line of heating device.

Specifically, persistently opening in the first controller for receiving the reception device of the first information, attempt to receive the first letter Breath, record from attempt receive first breath duration, the duration can be from begin trying receive the first feedback information To the current time, the first preset time can be 20s, i.e., disconnects heating if continuous 20s is not received by the first information First power supply line of device.If it is in the first preset time, i.e., the first information is received within 20s, then to the second control Device processed sends the first feedback information.Optionally, when receiving the time after the first feedback information and reaching the first feedback time, to Second controller sends the first feedback information, and the first feedback duration can be 20ms.When do not receive the first information it is lasting when Between when reaching the first preset time, show that second controller communication failure, second controller damage occurs or for receiving first There is the problems such as communication failure in the reception device of information, in order to guarantee the personal safety of user in water heater use process, prevents Because of water heater dry combustion method or explosion caused by second controller failure, disconnects the second source line of heating device and can show that failure is believed Whether breath, such as the reception device that can first detect for receiving the first information are faulty, if there is then showing fault message, such as Fruit does not judge that second controller breaks down then.

Preferably, in method provided by the present application, further includes: the first controller is according to the status information of the water heater Judge the water heater with the presence or absence of failure；If judging the water heater, there are failures, the second of the heating device is disconnected Power supply line.

In this application, the current status information of real-time monitoring water heater, the status information of water heater may include hot water The information the such as whether operating status of device all parts, all parts faulty, the state for example including inlet water temperature detection part Information, the status information of output water temperature detection part, the status information of Water heater electric source component, these status informations can recorde Corresponding component whether there is failure.Therefore, when water heater is there are the second source line for when failure, then disconnecting heating device, add Thermal is powered by the first power supply line and second source line, and the first power supply line is firewire, and second source line is zero curve or first Power supply line is zero curve, and second source line is firewire, and heating device can also be supplied by the first power supply line, second source line and zero curve Electricity.In order to guarantee the safety of water heater, therefore it is arranged when detecting that water heater there are when failure, disconnects the second of heating device Power supply line, to guarantee that user uses the safety reliability of water heater.

Preferably, in some alternative embodiments, the first controller receives the first information that second controller is sent, packet It includes:

First controller receives measurement information to be checked；

In the present embodiment, being used to receive in the first controller can between the reception device of the first information and second controller To be wired connection or wireless connection, when it is wired connection and receives measurement information to be checked, the sender of measurement information to be checked It is second controller, but because second controller can also send other kinds of information, it is therefore desirable to judge the letter received Whether breath is the first information.When being wirelessly connected with second controller, due to the information type and letter for then needing to judge to receive The sender of breath judges whether the first information for receiving second controller transmission.The first information may include first code and/or Identifying code, also may include effective information, and effective information can be the control information of control water heater working, first code and identifying code Be specified in the communications protocol that is communicated with second controller, if the information to be detected received include first code and/or Identifying code, and format meets preset format, shows that the measurement information to be checked is the first information that second controller is sent.Pass through setting First code and/or identifying code improve the safety and reliability with second controller communication, to prevent because receiving interference letter Number and lead to maloperation.

Preferably, in some alternative embodiments, the first feedback information is sent to second controller, comprising: first Controller receives after the first information reaches the second preset time, sends the first feedback information to second controller.Second control Device can be and periodically send the first information, therefore after receiving the first information, also can periodically send the first feedback Information, the second preset time are less than the sending cycle of the first information, so that real-time continuous communication is realized with second controller, thus The state for monitoring water heater in real time, further increases the safety of water heater, ensures the use using water heater process of user Safety.

Preferably, in some alternative embodiments, the method that the application proposes, further includes:

In the present embodiment, instant water flow is the water flow of current water heater, and starting flow can be preset use In the minimum water flow for opening heating device.When user uses water heater, instant water flow is not less than starting flow and water heater There is no can just be heated when failure, if water flow is less than starting flow immediately, show without being heated, therefore disconnected The second source line of heating device is opened, accordingly even when fortuitous event occur leads to safety problem, since heating device can not heat, Security risk can also be reduced.

If the first controller receives the instant water flow of starting-up signal, water heater not less than the continuous time for starting flow Reach third preset time and failure is not present in status information display water heater, then opens the water heater and connect heating device Second source line；

And/or

Specifically, if being not received by the starting-up signal of second controller, show user without using heating function, therefore The second source line for disconnecting heating device prevents the heating of water heater to guarantee the security performance of water heater when not in use Device abnormal work causes security risk.And when receiving starting-up signal, the first controller opens water heater, and judges instant Water flow not less than starting flow duration, if the duration reaches third preset time, show user need using Water heater, and failure is not present in water heater, then opens the second source line of heating device.Starting-up signal is sent in second device When, second device can connect the first power supply line of heating device.

It is abnormal to illustrate that second controller exists at this time, or the reception device for receiving the first signal has exception, therefore Need to disconnect second source line, guarantee user using safe.

Preferably, in some alternative embodiments, further includes: the first controller receives what the second controller was sent Off signal closes the water heater；Wherein, when water heater is in off-mode, the second source line of the heating device It disconnects.In this application, when water heater is in off-mode, the second source line of heating device is disconnected, and improves safety coefficient, is prevented Only there is security risk.

In order to better illustrate the beneficial effect of the application, a preferred embodiment set forth below.

Water heater dry combustion method and explosion are existing caused by immediately heating water heater occurs because of main control chip abnormal work in order to prevent As.Immediately heating water heater system is controlled by two controllers in the application, prevents immediately heating water heater abnormal work, improves system System reliability, increases the service life of water heater, prevents contingency.First controller (master control of immediately heating water heater Device processed) main control immediately heating water heater heating work, the electricity of the main control master controller of second controller (assistant controller) Whether a wherein power supply line (firewire or zero curve) for source and heat generating device connects, and reaching prevents from occurring because main control chip is out of control Abnormal accident.

Fig. 3 is please referred to, in the present embodiment, second controller (assistant controller) control flow is as follows

Step 1: display board is connected on assistant controller by winding displacement, there is key on display board, can be under open state Adjust setting temperature.Water heater powers on, and assistant controller then executes step 2 up to electricity；

Step 2: if user is switched on, connecting the power supply of master controller, master controller is started to work, and assistant controller is as master Machine sends information to master controller with every interval 250MS, and information includes the instruction of open and close machine, setting temperature etc., for controlling hot water The open and close machine of device and setting temperature etc..After being sent completely, step 3 is then executed；If user shuts down, make water heater fever dress The zero curve set is in an off state, and then executes step 3；

Step 3: assistant controller judges whether to receive the effective information that master controller is sended over by serial ports, and information is answered Comprising first code, valid data, check code etc., by the judgement of first code and check code, determine whether data are effective.If received Effective information thens follow the steps 4, if not receiving valid data up to 20 seconds, is determined as communication failure, display communication event Barrier code EC is simultaneously in an off state the zero curve of water heater heat generating device, step 6 is then executed, at 20 seconds of communication abnormality It is interior, it is executed back to step 2；

Step 4: assistant controller judges whether complete machine is faulty by the information that master controller is sent, including water inlet temperature-sensitive Packet failure, water outlet temperature sensing package failure, leak current fault etc..If faulty, show corresponding failure code, make water heater heat generating device Zero curve be in an off state, then execute step 6, if not having failure, then execute step 5；

Step 5: assistant controller judges whether water flow L flow per minute is greater than by the information that master controller is sent Starting flow L opens 1, if L flow >=L opens 1 (L is arranged here and opens 1=2L/Min), connects heat generating device zero curve, allows to add Heat is then returned to and executes step 2, is otherwise in an off state the zero curve of water heater heat generating device, then executes step 6；

Step 6: assistant controller judges whether not receive the effective information of master controller, and up to 20 minutes, (front was in step 3 have been displayed communication failure code EC) or L flow < L open 1 up to 20 minutes (illustrating user without water demand), if reaching 20 points Clock, then the power supply of assistant controller shutdown master controller then executes step 2 into battery saving mode；If not up to 20 minutes, Directly execute step 2.

In the present embodiment, as shown in figure 4, the control flow of the first controller (master controller) is as follows:

Step 1: master controller obtain it is electric after, detection complete machine it is whether faulty, including water inlet temperature sensing package failure, water outlet temperature sensing package Failure, leak current fault etc..If faulty, it is in an off state heat generating device control firewire, does not heat, then executes step 2；If not having failure, step 2 is directly executed；

Step 2: master controller turns sensor detection flows size by flow, if the flow L flow per minute detected 2 (L is set here and opens 2=3L/Min), directly execution step 3 are opened more than or equal to starting flow L, otherwise make heat generating device control Firewire is in an off state, and is not heated, and step 3 is then executed；

Step 3: master controller judges whether to receive the effective information of assistant controller, and information includes first code, valid data (open and close machine information, setting temperature etc.), check code etc., by the judgement of first code and check code, determine whether data are effective.Such as Fruit receives effective information, then judges to have received whether effective information has reached 20MS, if reaching 20MS, loopback main control Device information then executes step 4 to assistant controller；If not receiving effective information, judge whether that continuous 20S is not received It arrives, if so, being determined as communication failure, is in an off state heat generating device control firewire, does not heat, then execute step 1； If not, directly executing step 1；

Step 4: master controller judges whether to receive the starting-up signal of assistant controller, if it is off signal, makes to generate heat Device control firewire is in an off state, and is not heated, is then executed step 1；If it is starting-up signal, flow (L stream is then judged Amount) whether continuous 2 seconds be more than starting flow (L opens 2), if so, being started according to water-in and water-out temperature, setting temperature, flow information The control firewire of heat generating device, the heating power of regulation heating device are connected, control leaving water temperature reaches set temperature, then holds Row step 1；If not, directly executing step 1.

The application also proposes a kind of water heater control system, and the water heater is immediately heating water heater, packet in this application The first controller, second controller and heating device are included, as shown in figure 5, the system that the application proposes includes:

Sending module 11 sends the first information to first controller for the second controller, so that the first control Device processed sends the first feedback information, and first feedback information includes the status information of the water heater；

Receiving module 12 receives first feedback information for the second controller；

Control module 13, it is anti-according to described first if receiving first feedback information for the second controller The status information in feedforward information judges water heater with the presence or absence of failure, if so, disconnecting the first electricity of the heating device Source line；

And/or the control module 13 is also used to: if the second controller do not receive first feedback information and The continuous time for not receiving the first feedback information reaches at the first time, then disconnects the first power supply line of the heating device.

In this application, the first information for example can be the power-on instruction of water heater, shutdown command, temperature setting instruction Deng being not construed as limiting to this application.By sending the first information, it can show the control for starting to carry out water heater to the first controller System, the first controller can feed back the first feedback information after receiving the first information, and the first controller can also be whether The first information is received, all sends a string of first feedback informations every fixed a period of time, the first feedback information includes hot water The status information of device, the status information of water heater may include whether the operating status of water heater all parts, all parts have The information such as failure, status information, the status information of output water temperature detection part, hot water for example including inlet water temperature detection part The status information of device power supply module, these status informations can recorde corresponding component with the presence or absence of failure.Receiving module continues It opens, is in listening state, persistently receives the first feedback information.It is just anti-from first when receiving the first feedback information In feedforward information obtain water heater status information, thus judge water heater all parts whether normal operation, if there is therefore Barrier, can show fault message, and disconnect the first power supply line of heating device, and the first power supply line can be firewire or zero curve, Because being disconnected the first power supply line, the heating device of water heater is not available, so even if water heater there are failures, also not The problems such as will cause security risk, being not in water heater dry combustion method, explosion.Receiving module is persistently opened, and attempts to receive first instead Feedforward information was recorded from the continuous time for attempting to receive the first feedback information, which can be from having sent the first information Start timing afterwards to the current time, or just begins trying to receive the first feedback information to the current time, at the first time It can be 20s, i.e., disconnect the first power supply line of heating device if continuous 20s is not received by.Optionally, the first feedback letter Breath can be what periodic feedback was returned, and feedback cycle is less than at the first time, therefore ought not receive the first feedback information Continuous time when reaching first time, show that communication failure, the damage of the first controller or receiving module occurs in the first controller There is the problems such as communication failure, in order to guarantee the personal safety of user in water heater use process, prevent because of the first controller therefore Barrier causes water heater dry combustion method or explosion, disconnects the first power supply line of heating device and can show fault message, such as can be first Whether reception device of the detection for receiving the first feedback information be faulty, if there is then showing fault message, if without if Judge that the first controller breaks down.

Preferably, in some alternative embodiments, the second controller receives first feedback information, comprising:

The second controller receives information to be certified；

If the second controller receives the information to be certified, according to the first code of the information to be certified and/or test Card code judges whether the information to be certified is first feedback information.

In the present embodiment, it can be wired connection or wireless connection between receiving module and the first controller, when it is Wired connection and when receiving information to be certified, the sender of information to be certified is the first controller, but because the first controller Other kinds of information can also be sent, it is therefore desirable to judge whether the information received is the first feedback information.When with first When controller is wirelessly connected, due to then needing to judge the sender of the information type and information that receive, that is, judge whether to receive The first feedback information sent to the first controller.First feedback information may include first code, effective information and identifying code, effectively Information can be the status information of water heater, and the first feedback information may include one in first code and identifying code or all include, First code and identifying code are specified in the communications protocol that is communicated with the first controller, if the packet to be certified received First code and/or identifying code are included, and format meets preset format, it is first anti-to show that the information to be certified is that the first controller is sent Feedforward information.The safety and reliability with the first controller communication is improved by setting first code and/or identifying code, to prevent Lead to maloperation because receiving interference signal.

Preferably, in some alternative embodiments, the system that the application proposes further include:

Further include: water flow detection module detects hot water for the second controller when water heater is in open state The instant water flow of device；

If the instant water flow is not less than starting flow and first feedback information received shows the hot water Failure is not present in device, then connects the first power supply line of the heating device；

And/or

If the instant water flow is less than starting flow, the first power supply line of the heating device is disconnected.

Preferably, in some alternative embodiments, in the system that the application proposes, the water flow detection module is also used In:

If the continuous time that the instant water flow is less than starting flow reached for the second time, the first controller is disconnected Power supply.

Preferably, in some alternative embodiments, control module is also used to: if second controller does not receive first instead It feedforward information and did not received for the first feedback information continuous time and reaches the third time, then disconnect the power supply of the first controller, wherein The third time is greater than at the first time.

Optionally, in the system proposed in this application, sending module is also used to:

And/or

The application also proposes that another water heater control system, water heater include the first controller, second controller and add Thermal, as shown in Figure 6, comprising:

Module 21 is collected, receives the first information that the second controller is sent for first controller；

Delivery module 22, if first controller receives the first information, to described in second controller transmission First feedback information, first feedback information include the status information of the water heater；Wherein, if the second controller root Judging water heater according to the status information in first feedback information, there are failures, then disconnect the first of the heating device Power supply line；

And/or further include main control module 23, if not receiving the first information for first controller and not connecing The duration for receiving the first information reaches the first preset time, then disconnects the second source line of the heating device.

Specifically, the first feedback information includes the status information of water heater；If the second controller is according to described first The status information in feedback information judges water heater, and there are failures, then disconnect the first power supply line of the heating device；It receives Modulus block is persistently opened, and attempts to receive the first information, is recorded from the duration for attempting to receive the first breath, which can be with It is from beginning trying to receive the first feedback information to the current time, the first preset time can be 20s, i.e., if continuous 20s It is not received by the first power supply line that the first information then disconnects heating device.If it is in the first preset time, i.e., 20s with The first information is inside received, then sends the first feedback information to second controller.Optionally, after receiving the first feedback information Time when reaching the first feedback time, send the first feedback information to second controller, the first feedback duration can be 20ms. When the duration for not receiving the first information reaching the first preset time, show that communication failure, occurs in second controller There is the problems such as communication failure in the damage of two controllers or the reception device for receiving the first information, in order to guarantee that water heater uses The personal safety of user in the process, water heater dry combustion method or explosion, disconnect heating device caused by preventing because of second controller failure Second source line simultaneously can show fault message, such as whether the reception device that can first detect for receiving the first information has event Barrier, if there is then showing fault message, if judge without if second controller break down.

Preferably, in system provided by the present application, further includes: including main control module 23, be used for first controller Judge the water heater with the presence or absence of failure according to the status information of the water heater；

If judging the water heater, there are failures, the second source line of the heating device is disconnected.

In the present embodiment, the current status information of water heater can be monitored in real time, the status information of water heater can wrap The information the such as whether operating statuses of water heater all parts, all parts faulty are included, for example including inlet water temperature detection part Status information, the status information of output water temperature detection part, the status information of Water heater electric source component, these status informations can To record corresponding component with the presence or absence of failure.Therefore, when water heater is there are when failure, then the second source of heating device is disconnected Line, heating device are powered by the first power supply line and second source line, and the first power supply line is firewire, and second source line is zero curve, or The first power supply line of person is zero curve, and second source line is firewire, and heating device can also be by the first power supply line, second source line and zero Line power supply.In order to guarantee the safety of water heater, therefore it is arranged when detecting that water heater there are when failure, disconnects heating device Second source line, to guarantee that user uses the safety reliability of water heater.

Preferably, in some alternative embodiments, first controller receive that the second controller sends the One information, comprising:

First controller receives measurement information to be checked；

If first controller receives the measurement information to be checked, according to the first code of the measurement information to be checked and/or test Card code judges whether the information to be certified is the first information.

In the present embodiment, collecting can be wired connection or wireless connection between module and second controller, when it is Wired connection and when receiving measurement information to be checked, the sender of measurement information to be checked is second controller, but because second controller Other kinds of information can also be sent, it is therefore desirable to judge whether the information received is the first information.It is controlled when with second When device is wirelessly connected, due to the sender of information type and information for then needing to judge to receive, that is, judge whether to receive the The first information that two controllers are sent.The first information may include first code and/or identifying code, also may include effective information, has Effect information can be the control information of control water heater working, and first code and identifying code are the communications communicated with second controller Specified in agreement, if the information to be detected received includes first code and/or identifying code, and format meets preset format, table The bright measurement information to be checked is the first information that second controller is sent.It is improved and second by setting first code and/or identifying code The safety and reliability of controller communication, to prevent from leading to maloperation because receiving interference signal.

Preferably, in some alternative embodiments, delivery module sends the first feedback information, packet to second controller It includes: being received after the first information reaches the second preset time in the first controller, send the first feedback information to second controller. Second controller can be and periodically send the first information, therefore after receiving the first information, also can periodically send First feedback information, the second preset time are less than the sending cycle of the first information, to realize real-time continuous with second controller Communication, to monitor the state of water heater in real time, further increases the safety of water heater, ensures that user's uses water heater mistake Journey using safe.

Preferably, in some alternative embodiments, the system that the application proposes, further includes: water flow monitoring module is used for First controller detects the instant water flow of water heater when water heater is in open state；

If the instant water flow is less than starting flow, the second source line of the heating device is disconnected.

Preferably, in some alternative embodiments, the system that the application proposes, the main control module are also used to:

First controller receives the starting-up signal that the second controller is sent, and the starting-up signal is for opening institute State water heater；

If first controller receives the instant water flow of the starting-up signal, water heater not less than starting flow Duration reaches third preset time and failure is not present in status information display water heater, then opens the water heater and connect The second source line of the heating device；

And/or if first controller does not receive the starting-up signal, the second electricity of the heating device is disconnected Source line.

Preferably, in some alternative embodiments, the system that the application proposes, the main control module are also used to: if institute It states the first controller and does not receive the first information and do not receive continuous time of the first information and reach the 4th preset time, then break The second source line of the heating device is opened, the 4th preset time is greater than the first preset time.

Preferably, in some alternative embodiments, the main control module is also used to: described in first controller receives The off signal that second controller is sent, closes the water heater；Wherein, when water heater is in off-mode, the heating The second source line of device disconnects.In this application, when water heater is in off-mode, the second source line of heating device is disconnected It opens, improves safety coefficient, prevent security risk.

The application also proposes a kind of water heater, any system proposed including the application.The water heater that the application proposes When immediately heating water heater, including the first controller, second controller and heating device.

The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims

1. a kind of water heater control method, the water heater is immediately heating water heater, including the first controller, second controller and Heating device characterized by comprising

The second controller sends the first information to first controller, so that the first controller sends the first feedback letter Breath, first feedback information includes the status information of the water heater；

The second controller receives first feedback information；

If the second controller receives first feedback information, believed according to the state in first feedback information Breath judges water heater with the presence or absence of failure, if so, disconnecting the first power supply line of the heating device；

And/or if the second controller does not receive first feedback information and does not receive the company of the first feedback information The continuous time reaches at the first time, then disconnects the first power supply line of the heating device.

2. water heater control method according to claim 1, which is characterized in that the second controller receives described first Feedback information, comprising:

The second controller receives information to be certified；

If the second controller receives the information to be certified, according to the first code and/or identifying code of the information to be certified Judge whether the information to be certified is first feedback information.

3. according to claim 1 or 2 described in any item water heater control methods, which is characterized in that the second controller to First controller sends the first information, comprising:

The second controller sends a first information to the first controller every the period 1.

4. water heater control method according to claim 1-3, which is characterized in that further include:

The second controller detects the instant water flow of water heater when water heater is in open state；

If the instant water flow is not less than starting flow and first feedback information received shows the water heater not There are failures, then connect the first power supply line of the heating device；

And/or

5. water heater control method according to claim 4, which is characterized in that further include:

If the continuous time that the instant water flow is less than starting flow reached for the second time, the electricity of the first controller is disconnected Source.

6. water heater control method according to claim 1-5, which is characterized in that further include:

If the second controller does not receive first feedback information and does not receive the continuous time of the first feedback information Reach the third time, then disconnect the power supply of first controller, wherein the third time is greater than the first time.

7. water heater control method according to claim 1-6, which is characterized in that further include:

The second controller receives power on request, sends starting-up signal to first controller, so that first control Device opens the water heater；

And/or

The second controller receives shutdown request, sends off signal to first controller, so that first control Device closes the water heater；

8. a kind of water heater control method, the water heater is immediately heating water heater, including the first controller, second controller and Heating device characterized by comprising

First controller receives the first information that the second controller is sent；

If first controller receives the first information, first feedback information, institute are sent to second controller State the status information that the first feedback information includes the water heater；Wherein, if the second controller is according to first feedback The status information in information judges water heater, and there are failures, then disconnect the first power supply line of the heating device；

And/or it is reached if first controller does not receive the first information and do not receive duration of the first information To the first preset time, then the second source line of the heating device is disconnected.

9. water heater control method according to claim 8, which is characterized in that further include: first controller according to The status information of the water heater judges the water heater with the presence or absence of failure；

10. according to the described in any item water heater control methods of claim 8 or 9, which is characterized in that first controller connects Receive the first information that the second controller is sent, comprising:

First controller receives measurement information to be checked；

If first controller receives the measurement information to be checked, according to the first code and/or identifying code of the measurement information to be checked Judge whether the information to be certified is the first information.

11. according to the described in any item water heater control methods of claim 8-10, which is characterized in that sent to second controller First feedback information, comprising:

It receives after the first information reaches the second preset time in first controller, is sent to the second controller First feedback information.

12. according to the described in any item water heater control methods of claim 8-11, which is characterized in that further include:

13. according to the described in any item water heater control methods of claim 8-12, which is characterized in that further include:

First controller receives the starting-up signal that the second controller is sent, and the starting-up signal is for opening the heat Hydrophone；

If first controller receives the starting-up signal, the instant water flow of water heater continues not less than starting flow Time reaches third preset time and failure is not present in status information display water heater, then opens described in the water heater and connection The second source line of heating device；

And/or

If first controller does not receive the starting-up signal, the second source line of the heating device is disconnected.

14. according to the described in any item water heater control methods of claim 8-13, which is characterized in that further include:

If first controller does not receive the first information and to reach the 4th default continuous time for not receiving the first information Time, then the second source line of the heating device is disconnected, the 4th preset time is greater than the first preset time.

15. according to the described in any item water heater control methods of claim 8-13, which is characterized in that further include:

First controller receives the off signal that the second controller is sent, and closes the water heater；

Wherein, when water heater is in off-mode, the second source line of the heating device is disconnected.

16. a kind of water heater control system, the water heater is immediately heating water heater, including the first controller, second controller And heating device characterized by comprising

Sending module sends the first information to first controller for the second controller, so that the first controller is sent out The first feedback information is sent, first feedback information includes the status information of the water heater；

Receiving module receives first feedback information for the second controller；

Control module, if receiving first feedback information for the second controller, according to first feedback information In the status information judge water heater with the presence or absence of failure, if so, disconnecting the first power supply line of the heating device；

And/or the control module is also used to: if the second controller does not receive first feedback information and do not receive Continuous time to the first feedback information reaches at the first time, then disconnects the first power supply line of the heating device.

17. water heater control system according to claim 16, which is characterized in that the second controller receives described the One feedback information, comprising:

The second controller receives information to be certified；

18. 6 or 17 described in any item water heater control systems according to claim 1, which is characterized in that the second controller The first information is sent to the first controller, comprising:

19. the described in any item water heater control systems of 6-18 according to claim 1, which is characterized in that further include: water flow detection Module detects the instant water flow of water heater for the second controller when water heater is in open state；

And/or

20. water heater control system according to claim 19, which is characterized in that the water flow detection module is also used to:

21. the described in any item water heater control systems of 6-21 according to claim 1, which is characterized in that the control module is also For:

It is reached if the second controller does not receive first feedback information and do not received for the first feedback information continuous time To the third time, then the power supply of first controller is disconnected, wherein the third time is greater than the first time.

22. the described in any item water heater control systems of 6-21 according to claim 1, which is characterized in that the sending module is also For:

And/or

23. a kind of water heater control system, the water heater is immediately heating water heater, including the first controller, second controller And heating device characterized by comprising

Module is collected, receives the first information that the second controller is sent for first controller；

It is anti-to send described first to second controller if first controller receives the first information for delivery module Feedforward information, first feedback information include the status information of the water heater；Wherein, if the second controller is according to The status information in first feedback information judges water heater, and there are failures, then disconnect the first power supply of the heating device Line；

And/or further include main control module, if not receiving the first information for first controller and not receiving The duration of one information reaches the first preset time, then disconnects the second source line of the heating device.

24. water heater control system according to claim 23, which is characterized in that including main control module, for described the One controller judges the water heater with the presence or absence of failure according to the status information of the water heater；

25. according to the described in any item water heater control systems of claim 23 or 14, which is characterized in that first controller Receive the first information that the second controller is sent, comprising:

First controller receives measurement information to be checked；

26. according to the described in any item water heater control systems of claim 23-25, which is characterized in that delivery module is to second Controller sends first feedback information, comprising:

27. according to the described in any item water heater control systems of claim 23-26, which is characterized in that further include: water flow monitoring Module detects the instant water flow of water heater for first controller when water heater is in open state；

28. according to the described in any item water heater control systems of claim 23-27, which is characterized in that the main control module is also For:

And/or

29. according to the described in any item water heater control systems of claim 23-28, which is characterized in that the main control module is also For:

30. according to the described in any item water heater control systems of claim 23-28, which is characterized in that the main control module is also For:

31. a kind of water heater, which is characterized in that on a memory can be on a processor including processor, memory and storage The program of operation, processor realize the step of claim 1-7 either method or claim 8-15 either method when executing program Suddenly.

32. a kind of water heater, which is characterized in that including the system as described in claim 16-22 is any, or, including such as right It is required that any system of 17-30.